CN201594786U

CN201594786U - Heat dissipation structure of power supply unit

Info

Publication number: CN201594786U
Application number: CN2009202103045U
Authority: CN
Inventors: 唐诗波; 黄学成; 刘巍
Original assignee: Acbel Electronics Dongguan Co Ltd
Current assignee: Acbel Electronics Dongguan Co Ltd
Priority date: 2009-09-28
Filing date: 2009-09-28
Publication date: 2010-09-29
Anticipated expiration: 2019-09-28

Abstract

The utility model relates to a heat dissipation structure of a power supply unit, which comprises a heat-dissipating plate and a guide plate arranged on a printed circuit board (PCB) of the power supply unit, wherein the heat-dissipating plate is a plate body and is sequentially and vertically bended to form a flow channel; two ends of the flow channel are respectively provided with an air inlet and an air outlet; and the guide plate is the plate body and is arranged along the direction of the air inlet and the air outlet of the flow channel. Therefore, when a fan of the power supply unit is in operation, the generated wind can flow through the flow channel, and the wind direction is guided by the guide plate, thus achieving better heat dissipation effect.

Description

The radiator structure of power supply unit

Technical field

The utility model is relevant for power supply unit, and the power supply unit that a kind of LED of providing is luminous is provided especially, and has the radiator structure of great heat radiation effect.

Background technology

Light-emitting diode (light emitting diode; LED) development is showing improvement or progress day by day, because it has high brightness, power saving, environmental protection, advantages such as useful life is long, extensively applied on the various lighting apparatus, and Chang Bixu is equiped with power supply unit in the LED use, so that required power source to be provided, power simultaneously to numerous LED lamp owing to providing the luminous power supply unit of LED to be designed to again, must export low pressure and big electric current, and the output of big electric current can cause the secondary side of power supply unit to produce high heat, the usefulness of electronic building brick is descended overheated temperature and shorten useful life, therefore bigger heat-dissipating space must be arranged so that the setting of radiator structure to be provided, increase the overall dimensions of housing so down, all disagree causing, promptly cause difficulty in thin typeization towards the requirement of slimming with present every product.

See also Fig. 4 and shown in Figure 5, power supply unit for a kind of prior art, it has the upper shell 50 and the lower house 60 that can cover mutually, the top board of upper shell 50 1 ends is equipped with a plurality of tops open-work 51, adjacent side plate is equipped with a plurality of side open-works 52, top board medial surface in the other end is provided with fan 71, lower house 60 is provided with printed circuit board (PCB) 70, printed circuit board (PCB) 70 is provided with transformer 72, switch crystal 73, inductor 74, capacitor 75 and other electronic building brick etc., and for the heat transmission of part electronic building brick, switching crystal 73 outsides that can produce high heat when work are coated with

heating panel

30,75 places are provided with guide plate 40 in neighboring capacitors, so, this is arranged on the upper shell 50 that covers and the fan 71 of lower house 60 1 ends, itself and 70 of printed circuit board (PCB)s are formed with a spacing, and after this pitch space can provide and by fan 71 cold air be sucked, the other end that is provided with electronic building brick towards printed circuit board (PCB) 70 via this space flowed;

Please cooperate consult shown in Figure 6, this heating panel 30 is vertically bent in regular turn by a plate body and also is formed with top board 31 in regular turn, connecting plate 32 and base plate 33, this connecting plate 32 is horizontally disposed top board 31 and this base plate 33 so as to being formed with room 34 perpendicular to this, connecting plate 32 relative opposite sides form the installation of opening 35 for electronic building brick, and connecting plate 32 is adjacent and regard to fan 71, heating panel 30 has a line that extends axially that runs through this room 34, this guide plate 40 is formed by the vertical bending of a plate body and is formed with

biside plate

41,41A, wherein the plate body line stretcher of side plate 41 is vertical mutually with the connecting plate 32 plate body line stretchers of heating panel 30, and the plate body line stretcher of another side plate 41A and the connecting plate of heating panel 30 32 plate body line stretchers are parallel to each other.

Provide radiating effect with common in the prior art by heating panel 30 and guide plate 40, and the air-flow that fan 71 produces makes air flows and promotes radiating effect, can be not overheated and can under suitable temperature, keep normal operation to guarantee each electronic building brick.

Yet, aforesaid power supply unit but has following shortcoming when the use of reality: when fan 71 runnings, the air-flow that is produced can blow the connecting plate 32 to heating panel 30, though the cooling of heating panel 30 can be provided, but connecting plate 32 can hinder the air-flow inflow secondary side that fan 71 produces, and guide plate 40 can conflux in biside plate 41 by steering current, in the formed side angle of 41A, and effectively steering current is shunted in power supply unit and is discharged smoothly everywhere and from both sides open-work 52, cause radiating effect limited, necessity of improvement is arranged in fact.

Summary of the invention

Because the shortcoming of aforementioned prior art, utility model purpose of the present utility model is to provide a kind of radiator structure of power supply unit, it is provided with effectively mobile heating panel and the guide plate of direct air in power supply unit, make radiating effect to promote, and then provide each electronic building brick in the power supply unit can be not overheated and make it can be stable.

For reaching aforesaid utility model purpose, the radiator structure of the power supply unit that the utility model is designed, it includes a fan that is arranged at power supply unit inside, one on printed circuit board (PCB) and the heating panel of an end of adjacent power supply unit inside and a guide plate away from the other end of power supply unit inside, wherein: this heating panel is a plate body vertically bending and be formed with a top board in regular turn in regular turn, an a plate and a base plate, this top board, this connecting plate and this base plate are formed with a runner, these runner two ends are respectively an air inlet and an air outlet, and this air inlet is adjacent and regard to the fan of power supply unit inside; This guide plate is a plate body, and is provided with along the air current flow direction into and out of the air port of the runner of heating panel.

The radiator structure of described power supply unit, wherein: this heating panel have always pierce into, the line stretcher of air outlet; This guide plate has a plate body line stretcher, is formed with an angle between the line stretcher of guide plate and the line stretcher of this heating panel.

The radiator structure of described power supply unit, wherein these guide plate central authorities are formed with a bending segment longitudinally.

The radiator structure of described power supply unit, wherein the opposite side that this connecting plate is relative forms an opening.

The radiator structure of power supply unit provided by the utility model, the advantage that can obtain and effect are promoted and comprised at least: the utility model is by with heating panel and guide plate is done specific arrangement and setting makes it have good wind-guiding function, when the fan running in the power supply unit, the air flow direction that is produced since with the same direction of plate body line stretcher of the connecting plate and the guide plate of heating panel, except the plate face of the heating panel of can flowing through, can directly enter the secondary side that can produce high heat in addition by formed runner, and be scattered in that power supply unit is inner to produce good convection current, provide the electronic building brick of the runner place setting of heating panel effectively to lower the temperature, and by guide plate with airflow diversion in both sides, and discharge smoothly from the top open-work and the side open-work of upper shell smoothly, provide each electronic building brick that preferable radiating effect is arranged, and then make the use of power supply unit can have stability.

Description of drawings

Fig. 1 is for being provided with power supply unit exploded view of the present utility model;

Fig. 2 is a stereo appearance figure of the present utility model;

Fig. 3 is for being provided with power supply unit top view of the present utility model;

Fig. 4 is the power supply unit exploded view of prior art;

Fig. 5 is the power supply unit top view of prior art;

Fig. 6 is the part stereo appearance figure of prior art.

Embodiment

See also Figure 1 and Figure 2, the radiator structure of power supply unit of the present utility model, it includes a fan 71 that is arranged at set upper shell of power supply unit and lower house inside, one on printed circuit board (PCB) 70 and adjacent to the heating panel 10 of an end of power supply unit inside and a guide plate 20 away from the other end of power supply unit inside, wherein:

This heating panel 10 is a plate body, its vertical in regular turn bending also is formed with a top board 11 in regular turn, an a plate 12 and a base plate 13, this top board 11, space between this connecting plate 12 and this base plate 13 is formed with a runner 14, connecting plate 12 relative opposite sides form an opening 15, these runner 14 two ends are respectively an air inlet 16 and an air outlet 17, this air inlet 16 is adjacent and regard to the fan 71 of power supply unit inside, and this heating panel 10 has one to be run through this and advances,

air outlet

16,17 extend axially line, the level that is heating panel 10 each plate body is to line stretcher, the inner space of this heating panel 10 and phase contraposition can produce the electronic building brick of high heat in the time of can being provided with start at runner 14 places, for example: switch crystal 73;

This guide plate 20 is a plate body, and along the runner 14 of heating panel 10 into and out of the

air port

16,17 air current flow direction is provided with, and this guide plate 20 have one by its plate body level to line stretcher, be formed with an angle between the line stretcher of the line stretcher of guide plate 20 and heating panel 10, in addition guide plate 20 central authorities are formed with a bending segment 21 longitudinally.

Please cooperate consult shown in Figure 3, when power supply unit is installed in fan 71 runnings of upper shell medial surface below, the radiating airflow that is produced can be flowed into by the air inlet 12 of heating panel 10, flow out by air outlet 13 again, and effectively blow each electronic building brick to the power supply unit, avoid each electronic building brick overheated and reduce the effect that electronic building brick should produce, and the heat that the switching crystal 73 that is provided with in the runner 14 is produced can in time be excluded, pass through guide plate 20 bootable airflow diversions in addition in both sides, the air-flow that makes fan 71 produce can be got rid of with side open-work 52 via the top open-work 51 of upper shell 50 smoothly, and then produces good convection current and reach preferable cooling and radiating effect in power supply unit is inner.

Claims

1. the radiator structure of a power supply unit, it includes a fan that is arranged at power supply unit inside, one on printed circuit board (PCB) and the heating panel of an end of adjacent power supply unit inside and a guide plate away from the other end of power supply unit inside, it is characterized in that:

This heating panel is a plate body vertically bending and be formed with a top board, a plate and a base plate in regular turn in regular turn, this top board, this connecting plate and this base plate are formed with a runner, these runner two ends are respectively an air inlet and an air outlet, and this air inlet is adjacent and regard to the fan of power supply unit inside;

This guide plate is a plate body, and is provided with along the air current flow direction into and out of the air port of the runner of heating panel.

2. the radiator structure of power supply unit as claimed in claim 1 is characterized in that:

This heating panel have always pierce into, the line stretcher of air outlet;

This guide plate has a plate body line stretcher, is formed with an angle between the line stretcher of guide plate and the line stretcher of this heating panel.

3. the radiator structure of power supply unit as claimed in claim 1 or 2 is characterized in that: these guide plate central authorities are formed with a bending segment longitudinally.

4. the radiator structure of power supply unit as claimed in claim 1 or 2, it is characterized in that: the opposite side that this connecting plate is relative forms an opening.

5. the radiator structure of power supply unit as claimed in claim 3, it is characterized in that: the opposite side that this connecting plate is relative forms an opening.