CN211352890U

CN211352890U - Pure back-stage power amplifier heat dissipation device

Info

Publication number: CN211352890U
Application number: CN201922026075.8U
Authority: CN
Inventors: 王利杰
Original assignee: Individual
Current assignee: Ningbo Zhenhai Huage Electronics Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-08-25
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses a pure back-end power amplifier heat abstractor belongs to the broadcasting equipment field, including base, universal wheel, jack, inserted bar, buffer spring, place board, supporting pad, axial fan, plenum, induced duct, air-out funnel, power amplifier body. The utility model discloses a buffer spring on the inserted bar, can carry out the bradyseism to pure back level power amplifier body, place the power amplifier body also be exactly pure back level power amplifier on the backup pad during use, the backup pad is favorable to its heat dissipation with its unsettled, then utilize axial fan to blow and lead the water conservancy diversion through the plenum induced duct, finally discharge through the air-out funnel, directly blow to power amplifier body both sides, power amplifier body both sides are equipped with the aluminium system fin that is used for the radiating usually, the heat dissipation of pure back level power amplifier has been strengthened to the event this device, reduce the heat and store up near aluminium system fin.

Description

Pure back-stage power amplifier heat dissipation device

Technical Field

The utility model relates to a broadcasting equipment field, especially a pure back-end power amplifier heat abstractor.

Background

The power amplifier is called power amplifier for short, commonly called loudspeaker, and is the most basic equipment in sound system, and its task is to amplify the weak electric signal from signal source to drive loudspeaker to make sound; for a set of good sound system, the action power of the power amplifier is not available, the existing pure rear-stage power amplifier can emit large heat when in use, and in occasions with long service time such as a broadcasting station, a heat dissipation fan carried by the pure rear-stage power amplifier cannot meet the heat dissipation requirement, so that a pure rear-stage power amplifier heat dissipation device is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the heat dissipation problem of the pure rear-stage power amplifier, and designing a heat dissipation device of the pure rear-stage power amplifier.

The technical scheme of the utility model is that, the pure back-stage power amplifier heat dissipation device comprises a base, universal wheels, jacks, insertion rods, buffer springs, a placing plate, a supporting pad, an axial flow fan, an air chamber, an induced draft tube, an air outlet funnel and a power amplifier body, wherein four universal wheels are arranged at four corners of the lower surface of the base;

the four jacks are respectively arranged on four corners of the upper surface of the base, the four insertion rods are slidably inserted into the four jacks respectively, the buffer springs are sleeved on the insertion rods, the upper ends of the buffer springs are connected with the insertion rods, the lower ends of the buffer springs are connected with the upper surface of the base, the lower surface of the placing plate is connected with the upper ends of the four insertion rods, the four supporting pads are arranged on the upper surface of the placing plate in a rectangular distribution mode, the axial flow fan is arranged on the upper surface of the base below the placing plate, the air chamber is arranged at the upper end of the axial flow fan, the two air inducing pipes are arranged on two sides of the air chamber.

Preferably, the power amplifier body is placed on the supporting pad above the placing plate, and the air outlet funnels are located on two sides of the power amplifier body.

Preferably, the air outlet funnel is a long strip funnel, and the length of the air outlet funnel is the same as the length of the side face of the power amplifier body.

Preferably, an air-equalizing plate is arranged in the air outlet funnel, the air-equalizing plate is installed in the air outlet funnel, and the air-equalizing plate is of a plate-shaped structure with holes distributed in a matrix shape.

Preferably, the base is provided with an air inlet, and the air inlet is formed in the base below the axial flow fan.

Advantageous effects

The utility model provides a pure back level power amplifier heat abstractor, possess following beneficial effect, this device is through its structural design, utilize buffer spring on the inserted bar, can carry out the bradyseism to pure back level power amplifier body, place the power amplifier body on the supporting pad also exactly pure back level power amplifier during the use, the supporting pad is with its unsettled its heat dissipation that is favorable to, then utilize axial fan to blow and through plenum induced duct water conservancy diversion, finally discharge through the air-out funnel, directly blow to power amplifier body both sides, power amplifier body both sides are equipped with the aluminium system fin that is used for the radiating usually, the heat dissipation of pure back level power amplifier has been strengthened to the event this device, reduce the heat and store up near aluminium system fin, and then solve the pure back level power amplifier heat dissipation problem that proposes in the background art.

Drawings

Fig. 1 is a schematic structural diagram of the pure rear-stage power amplifier heat dissipation device of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1;

fig. 3 is a schematic structural view of the wind-equalizing plate of the heat dissipation device of the pure rear-stage power amplifier of the present invention.

In the figure, 1, a base; 2. a universal wheel; 3. a jack; 4. inserting a rod; 5. a buffer spring; 6. placing the plate; 7. a support pad; 8. an axial flow fan; 9. an air chamber; 10. an induced draft pipe; 11. an air outlet funnel; 12. a power amplifier body; 13. a wind equalizing plate; 14. and an air inlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a pure rear-stage power amplifier heat dissipation device comprises a base 1, universal wheels 2, jacks 3, insertion rods 4, buffer springs 5, a placing plate 6, a supporting pad 7, an axial flow fan 8, an air chamber 9, an air induction pipe 10, an air outlet funnel 11 and a power amplifier body 12, wherein the four universal wheels 2 are arranged at four corners of the lower surface of the base 1, the universal wheels 2 are convenient for the device to move, and the mobility of a power amplifier 12 placed on the supporting pad 7 on the placing plate 6 is improved;

wherein, four jacks 3 are respectively arranged on four corners of the upper surface of the base 1, four insertion rods 4 are respectively arranged in the four jacks 3 in a sliding and inserting way, a buffer spring 5 is sleeved on the insertion rod 4, the upper end of the buffer spring is connected with the insertion rod 4, the lower end of the buffer spring is connected with the upper surface of the base 1, the jacks 3 are used for fixing the insertion rod 4 in a sliding way, the buffer spring 5 is sleeved on the insertion rod 4 so as to be not easy to bend when being compressed, the lower surface of a placing plate 6 is connected with the upper ends of the four insertion rods 4, four supporting pads 7 are arranged on the upper surface of the placing plate 6 in a rectangular distribution way and used for lifting the power amplifier body 12 placed on the placing plate so as to separate the lower surface of the power amplifier body 12 from the placing plate 6 and further facilitate ventilation and heat dissipation, an axial flow fan 8 is arranged on the upper surface of the base 1 below the placing plate 6, the plenum 9 is installed in axial fan 8 upper end, and two induced air pipes 10 are installed in plenum 9 both sides, and plenum 9 and induced air pipe 10 divide the air that axial fan 8 promoted and the drainage, and then lead to air-out funnel 11, and air-out funnel 11 is installed in placing 6 both sides.

Wherein, power amplifier body 12 is placed on the supporting pad 7 of placing 6 tops, and air-out funnel 11 is located power amplifier body 12 both sides, and power amplifier body 12 is for pure back level power amplifier, and power amplifier body 12 both sides are equipped with aluminium system heating panel, and aluminium system heating panel exports power amplifier body 12 internal electronic component's heat, and then realizes the heat dissipation, and this kind of radiating mode is prior art, and most pure back level power amplifiers all adopt this kind of heat radiation structure, so this device extensive applicability.

The air outlet funnel 11 is a long strip funnel, and the length of the air outlet funnel is the same as the length of the side surface of the power amplifier body 12, so that air is blown to the aluminum heat dissipation plates located on the two sides of the power amplifier body 12.

Wherein, be equipped with the wind-sharing board 13 in the air-out funnel 11, the wind-sharing board 13 is installed in the air-out funnel 11, the wind-sharing board 13 is for opening the platelike structure who has the hole of matrix form distribution on it, through the certain hindrance effect of wind-sharing board 13 to the air that blows from induced duct 10, and then make the air compel to spill over from the hole of wind-sharing board 13, and then realized evenly blowing out the purpose from air-out funnel 11 with the air, and then the better aluminium system heating panel to power amplifier body 12 both sides dispels the heat.

Wherein, the base 1 is provided with an air inlet 14, the air inlet 14 is arranged on the base 1 below the axial flow fan 8, and the air inlet 14 is convenient for the axial flow fan 8 to suck the cooler air below the base 1.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet control requirements, and specific connection and control sequences.

In this embodiment:

firstly, the universal wheels 2 on the base 1 are convenient for the device to move;

when the power amplifier moves and is vibrated, the buffer spring 5 on the inserted link 4 absorbs the instantaneous explosive vibration and slowly releases the instantaneous explosive vibration, so that the cushioning effect is achieved, and the power amplifier body 12 is prevented from being damaged by the violent vibration;

after the power amplifier body 12 reaches a working position, the power amplifier body 12 is powered on to work, when the power amplifier body 12 needs to be used for a long time or hot air does not circulate in the weather, the power supply of the axial flow fan 8 is switched on, the axial flow fan 8 starts to work, the air is sucked from the air inlet 14 on the base 1 by the work of the axial flow fan 8, then the air is divided into two air induction pipes 10 through the air chamber 9 and enters the air outlet funnel 11, under the action of the air equalizing plate 13 in the air outlet funnel 11, concentrated air discharged from the air induction pipes 10 is divided into holes in the air equalizing plate 13 to be blown out, and then the concentrated air is blown onto aluminum cooling fins on two sides of the power amplifier body 12, so that the power amplifier body 12 is cooled.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A pure rear-stage power amplifier heat dissipation device comprises a base (1), universal wheels (2), jacks (3), insertion rods (4), buffer springs (5), a placing plate (6), a supporting pad (7), an axial flow fan (8), an air chamber (9), an air induction pipe (10), an air outlet funnel (11) and a power amplifier body (12), wherein the four universal wheels (2) are arranged at four corners of the lower surface of the base (1);

the novel air conditioner is characterized in that the four insertion holes (3) are formed in four corners of the upper surface of the base (1) respectively, the four insertion rods (4) are installed in the four insertion holes (3) in a sliding insertion mode, the buffer springs (5) are sleeved on the insertion rods (4), the upper ends of the buffer springs are connected with the insertion rods (4), the lower ends of the buffer springs are connected with the upper surface of the base (1), the lower surface of the placing plate (6) is connected with the upper ends of the four insertion rods (4), the four supporting pads (7) are installed on the upper surface of the placing plate (6) in a rectangular distribution mode, the axial flow fan (8) is installed on the upper surface of the base (1) below the placing plate (6), the air chamber (9) is installed at the upper end of the axial flow fan (8), the two air induction pipes (10) are installed on two sides of the air chamber (9), and the air.

2. The heat dissipation device of a pure rear-stage power amplifier according to claim 1, wherein the power amplifier body (12) is placed on the support pad (7) above the placement plate (6), and the air-out funnels (11) are located on two sides of the power amplifier body (12).

3. The heat dissipating device of a pure rear-stage power amplifier according to claim 1, wherein the air-out funnel (11) is a long-strip funnel, and the length of the air-out funnel is the same as the length of the side surface of the power amplifier body (12).

4. The heat dissipation device of a pure rear-stage power amplifier according to claim 1, wherein an air-equalizing plate (13) is disposed in the air-out funnel (11), the air-equalizing plate (13) is installed in the air-out funnel (11), and the air-equalizing plate (13) has a plate-shaped structure with holes distributed in a matrix shape.

5. The heat dissipation device of a pure rear-stage power amplifier according to claim 1, wherein the base (1) is provided with an air inlet (14), and the air inlet (14) is formed in the base (1) below the axial flow fan (8).