CN211321849U

CN211321849U - High-reliability high-power LED driving power supply

Info

Publication number: CN211321849U
Application number: CN201921981363.2U
Authority: CN
Inventors: 胡炜权
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-08-21
Anticipated expiration: 2029-11-18

Abstract

The utility model discloses a high-power LED drive power supply of high reliability, including casing and cap, casing and cap pass through mounting bolt fixed sealing connection. Has the advantages that: the utility model discloses a small-size aspiration pump, one-way check valve, the breathing pipe, the intake pipe with cross the filter cap, small-size aspiration pump passes through the breathing pipe and takes the inside hot-air of this device out, external cold air is under the effect of atmospheric pressure, it gets into inside to pierce through the filter cap, external cold air gets into from the intake pipe, discharge in the outlet duct, form stable air current, the discharge of the inside hot-air of casing with higher speed, thereby realize stabilizing radiating effect, avoid the inside high temperature of casing to lead to the dirver circuit board to burn out, and simultaneously, because it has waterproof ventilated membrane to paste in the filter cap inside, allow gaseous the entering under the condition that hinders the water retaining, thereby make and to carry out sealing connection between the casing and the cap of this device, thereby make this device possess waterproof dirt-proof function, improve the security of outdoor installation.

Description

High-reliability high-power LED driving power supply

Technical Field

The utility model relates to a LED drive power supply technical field particularly, relates to a high-reliable high-power LED drive power supply.

Background

An LED driving power supply is a power converter that converts a power supply into a specific voltage and current to drive an LED to emit light, and generally: the input of the LED driving power source includes high-voltage power-frequency alternating current (i.e., commercial power), low-voltage direct current, high-voltage direct current, low-voltage high-frequency alternating current (e.g., output of an electronic transformer), and the like.

After retrieval, the application number is CN201821961322.2, the publication number is CN209376122U, the name is a high-reliability high-power LED driving power supply, a fan is adopted to generate airflow to change the airflow speed and the airflow direction in the application, so that the purpose of heat dissipation is achieved, however, through heat dissipation ports must be reserved when the method is adopted for heat dissipation, the through heat dissipation ports are easy to enter ash and water, the outdoor installation is not suitable, improvement can be further made, in addition, noise reduction cotton slivers are adopted in the application for solving the noise problem, the noise reduction cotton slivers in the application are installed at four corner ports of the fan, most areas around the fan cannot be wrapped by the noise reduction cotton slivers, noise can still be diffused from an outlet without the noise reduction cotton slivers, the noise reduction effect is not obvious, and further improvement can be further achieved.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a high-reliable high-power LED drive power supply possesses stable, waterproof dustproof, the little advantage of noise of heat dissipation, and then solves the problem among the above-mentioned background art.

(II) technical scheme

For realizing above-mentioned stable, waterproof dustproof, the little advantage of noise of heat dissipation, the utility model discloses a concrete technical scheme as follows:

a high-reliability high-power LED driving power supply comprises a shell and a shell cover, wherein the shell and the shell cover are fixedly and hermetically connected through a mounting bolt, a driving circuit board is fixedly mounted in the shell through a mounting rod, a baffle is fixedly mounted at one end of the driving circuit board positioned in the shell, a small air pump is arranged between the baffle and the inner wall of the shell, an air suction pipe is connected at the air suction end of the small air pump in a penetrating manner, the air suction pipe penetrates through the baffle and extends to the upper side and the lower side of the driving circuit board, an air outlet pipe is connected at the air outlet end of the small air pump in a penetrating manner, the air outlet pipe penetrates through the outer surface of the shell and extends to the outer side of the shell, a one-way check valve is connected at the other end of the air outlet pipe in a penetrating manner, an air inlet pipe, and the other end of the filter cap is provided with an air inlet, a waterproof breathable film is pasted on the inner surface of the air inlet, and the other side surface of the waterproof breathable film is positioned inside the filter cap and is fixedly provided with a supporting net.

Furthermore, one end of the shell is connected with a power inlet wire in a penetrating and sealing mode, the other end of the shell is connected with a power outlet wire in a penetrating and sealing mode, the power inlet wire penetrates through the baffle and is electrically connected with the driving circuit board, and the power outlet wire is electrically connected with the driving circuit board.

Furthermore, soundproof cotton is filled in the air inlet pipe and the air outlet pipe.

Furthermore, the outer surface of the filter cap is provided with anti-slip teeth.

Furthermore, the supporting net is a rigid net structure, and the area of the supporting net is equal to that of the waterproof breathable film.

Furthermore, a rubber pad is pasted inside the filter cap and is of a circular ring structure.

(III) advantageous effects

Compared with the prior art, the utility model provides a high-reliable high-power LED drive power supply possesses following beneficial effect:

(1) the utility model adopts a small-sized air pump, a one-way check valve, an air suction pipe, an air inlet pipe and a filter cap, after the device is installed and powered on, the small-sized air pump pumps out hot air in the device through the air suction pipe to ensure that the interior of the shell is in a negative pressure state, external cold air penetrates through the filter cap to enter the shell under the action of atmospheric pressure to replace air, the external cold air enters from the air inlet pipe and is discharged from an air outlet pipe to form stable air flow, the discharge of the hot air in the shell is accelerated, thereby realizing the effect of stable heat dissipation, avoiding the burning-out of a driving circuit board caused by overhigh temperature in the shell, simultaneously, as the waterproof and breathable film is pasted in the filter cap, the gas is allowed to enter under the condition of blocking water, thereby the sealed connection between the shell and the shell cover of the device can be realized, thereby the device has the waterproof and dustproof, the safety of outdoor installation is improved.

(2) The utility model discloses a soundproof cotton, cap and casing, through construction bolt sealing connection between cap and the casing, small-size aspiration pump is installed inside the casing, and the noise that produces is difficult to pierce through the sealed chamber that casing and cap are constituteed to good silence effect has been played, and soundproof cotton fills inside intake pipe and outlet duct simultaneously, avoids the noise to leak from the pipeline, thereby has further improved the silence effect of this device, makes this device use more silence.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a highly reliable high-power LED driving power supply proposed by the present invention;

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

FIG. 3 is a top view of the filtering cap of the present invention;

fig. 4 is an internal structure schematic diagram of the intake pipe of the present invention.

In the figure:

1. a housing; 2. mounting a rod; 3. a drive circuit board; 4. leading a power supply into a wire; 5. a one-way check valve; 6. an air outlet pipe; 7. a small air pump; 8. a baffle plate; 9. an air intake duct; 10. a shell cover; 11. an air inlet pipe; 12. a power supply outlet; 13. an external thread; 14. an internal thread; 15. a filter cap; 16. a rubber pad; 17. anti-slip teeth; 18. a support net; 19. a waterproof breathable film; 20. an air inlet; 21. soundproof cotton.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a high reliable high-power LED drive power supply.

Referring to the drawings and the detailed description, as shown in fig. 1-4, a highly reliable high-power LED driving power supply according to an embodiment of the present invention includes a casing 1 and a housing cover 10, the casing 1 and the housing cover 10 are connected by a mounting bolt, the casing 1 and the housing cover 10 are detachable for easy installation and maintenance, a driving circuit board 3 is fixedly installed inside the casing 1 by a mounting rod 2, a baffle 8 is fixedly installed inside the casing 1 at one end of the driving circuit board 3, a small air pump 7 is disposed between the baffle 8 and the inner wall of the casing 1, an air suction pipe 9 is connected to the air suction end of the small air pump 7, the air suction pipe 9 penetrates through the baffle 8 and extends above and below the driving circuit board 3, the formed air flows through the top surface and the bottom surface of the driving circuit board 3, and the heat exchange area between the air flow and the driving circuit board 3 is increased, the heat dissipation efficiency is improved, the air outlet end of the small air pump 7 is connected with an air outlet pipe 6 in a penetrating way, the air outlet pipe 6 penetrates through the outer surface of the shell 1 and extends to the outer side of the shell 1, the other end of the air outlet pipe 6 is connected with a one-way check valve 5 in a penetrating way to prevent outside water from entering the shell 1, the other end of the shell 1 is connected with an air inlet pipe 11 in a penetrating way, the air inlet pipe 11 is arranged corresponding to the air outlet pipe 6, one end of the air inlet pipe 11 is positioned at the outer side of the shell 1 and is provided with an external thread 13, the air inlet pipe 11 is matched with a filter cap 15, the inner surface wall of the filter cap 15 is provided with an internal thread 14 in threaded connection with the external thread 13, the other end of the filter cap 15 is provided with an air inlet hole, after this device is installed and circular telegram, small-size aspiration pump 7 takes the inside hot-air of this device out through breathing pipe 9, make 1 inside negative pressure state that is of casing, external cold air is under the effect of atmospheric pressure, pierce through filter cap 15 and get into 1 inside casing, can carry out the air change, external cold air gets into from intake pipe 11, discharge from outlet duct 6, form stable air current, accelerate the discharge of 1 inside hot-air of casing, thereby realize stable radiating effect, avoid 1 inside high temperature of casing to lead to drive circuit board 3 to burn out, and simultaneously, because filter cap 15 inside pasting has waterproof ventilated membrane 19, allow gaseous entering under the condition that blocks water, thereby make and to carry out sealing connection between casing 1 and the cap 10 of this device, thereby make this device possess waterproof dirt-proof function, improve the security of outdoor installation.

In an embodiment, one end of the housing 1 is connected to the power inlet 4 through a sealing connection, and the other end of the housing 1 is connected to the power outlet 12 through a sealing connection, the power inlet 4 is electrically connected to the driving circuit board 3 through the baffle 8, and the power outlet 12 is electrically connected to the driving circuit board 3.

In one embodiment, the sound insulation cotton 21 is filled in the air inlet pipe 11 and the air outlet pipe 6, and the sound insulation cotton 21 is filled in the air inlet pipe 11 and the air outlet pipe 6, so that the noise is prevented from leaking from the pipeline, the silencing effect of the device is further improved, and the device is quiet when in use.

In one embodiment, the outer surface of the filter cap 15 is provided with anti-slip teeth 17 for facilitating the manual installation of workers.

In one embodiment, the supporting net 18 is a rigid net structure, and the area of the supporting net 18 is equal to the area of the waterproof breathable film 19, and the supporting net 18 supports the waterproof breathable film 19, so as to reduce the damage caused by excessive deformation of the waterproof breathable film 19.

In one embodiment, a rubber gasket 16 is adhered inside the filter cap 15, and the rubber gasket 16 is in a circular ring structure, so that when the filter cap 15 is screwed down and installed, the rubber gasket 16 is tightly pressed against the air suction pipe 9 to perform a sealing function and prevent water from entering.

The working principle is as follows:

after the device is installed and powered on, the small air pump 7 pumps out the hot air in the device through the air suction pipe 9, so that the inside of the shell 1 is in a negative pressure state, the external cold air penetrates through the filter cap 15 under the action of atmospheric pressure and enters the shell 1, air replacement can be carried out, the external cold air enters from the air inlet pipe 11 and is discharged from the air outlet pipe 6 to form stable air flow, the discharge of the hot air in the shell 1 is accelerated, the effect of stable heat dissipation is realized, the burning out of the driving circuit board 3 caused by overhigh temperature in the shell 1 is avoided, meanwhile, as the waterproof breathable film 19 is pasted in the filter cap 15, the gas is allowed to enter under the condition of blocking water, the shell 1 and the shell cover 10 of the device can be in sealed connection, the device has the waterproof and dustproof functions, the outdoor installation safety is improved, and meanwhile, the sound insulation cotton 21 is filled in the air inlet pipe 11 and the air outlet pipe 6, soundproof cotton 21 fills in intake pipe 11 and outlet duct 6 inside, avoids the noise to leak from the pipeline to further improved the silence effect of this device, made this device use more quiet.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-reliability high-power LED driving power supply is characterized by comprising a shell (1) and a shell cover (10), wherein the shell (1) and the shell cover (10) are fixedly and hermetically connected through mounting bolts, a driving circuit board (3) is fixedly mounted inside the shell (1) through a mounting rod (2), one end of the driving circuit board (3) is positioned inside the shell (1) and fixedly provided with a baffle (8), a small air suction pump (7) is arranged between the baffle (8) and the inner wall of the shell (1), the air suction end of the small air suction pump (7) is connected with an air suction pipe (9) in a penetrating way, the air suction pipe (9) penetrates through the baffle (8) and extends to the upper part and the lower part of the driving circuit board (3), the air outlet end of the small air suction pump (7) is connected with an air outlet pipe (6) in a penetrating way, and the air outlet pipe (6), and outlet duct (6) other end through connection has one-way check valve (5), casing (1) other end through connection has intake pipe (11), and intake pipe (11) one end is located casing (1) outside and has seted up external screw thread (13), and intake pipe (11) cooperation is used and has had filtration cap (15), filter cap (15) inner surface wall and set up internal thread (14) with external screw thread (13) threaded connection, and filter cap (15) other end and seted up inlet port (20), and inlet port (20) internal surface paste has waterproof ventilated membrane (19), waterproof ventilated membrane (19) other side surface is located filtration cap (15) inside fixed mounting has supporting network (18).

2. The high-reliability high-power LED driving power supply according to claim 1, wherein one end of the casing (1) is connected with a power inlet wire (4) in a penetrating and sealing manner, and the other end of the casing (1) is connected with a power outlet wire (12) in a penetrating and sealing manner, the power inlet wire (4) penetrates through the baffle (8) and is electrically connected with the driving circuit board (3), and the power outlet wire (12) is electrically connected with the driving circuit board (3).

3. The high-reliability high-power LED driving power supply according to claim 1, wherein the air inlet pipe (11) and the air outlet pipe (6) are internally filled with soundproof cotton (21).

4. The high-reliability high-power LED driving power supply according to claim 1, wherein the outer surface of the filter cap (15) is provided with anti-slip teeth (17).

5. The high-reliability high-power LED driving power supply according to claim 1, wherein the supporting net (18) is a rigid net structure, and the area of the supporting net (18) is equal to the area of the waterproof breathable film (19).

6. The high-reliability high-power LED driving power supply according to claim 1, wherein a rubber pad (16) is adhered inside the filtering cap (15), and the rubber pad (16) is of a circular ring structure.