CN212544035U

CN212544035U - Power amplifier that radiating efficiency is high

Info

Publication number: CN212544035U
Application number: CN202021643508.0U
Authority: CN
Inventors: 李虹; 郭娜; 董海英
Original assignee: Tianjin Tongda Electronic Technology Co ltd
Current assignee: Tianjin Tongda Electronic Technology Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-02-12
Anticipated expiration: 2030-08-10

Abstract

The utility model discloses a power amplifier with high heat dissipation efficiency, comprising a base plate, the upper surface of the base plate is fixedly provided with an apron, the lower surface of the base plate is fixedly provided with a lower heat dissipation plate, the upper surface of the apron is fixedly provided with an upper heat dissipation plate, the upper surface of the base plate is fixedly provided with a power amplifier main body, the inner part of the apron is uniformly and fixedly provided with an auxiliary heat dissipation plate, the left, the middle and the right ends of the upper surface of the base plate are fixedly provided with air cooling systems, the upper heat dissipation plate is embedded with a first water cooling system, the lower heat dissipation plate is embedded with a second water cooling system, the right ends of the first; the power amplifier in the scheme has increased the heat dissipation function, blows away the inside heat of device through air-cooled system, and the heat dissipation efficiency that two blocks of heating panels improve about reuse water cooling system cooperation, the hydrologic cycle of first water cooling system and second water cooling system opposite direction has avoided the power amplifier unilateral heat too high.

Description

Power amplifier that radiating efficiency is high

Technical Field

The utility model relates to a power amplifier technical field specifically is a power amplifier that radiating efficiency is high.

Background

A power amplifier refers to an amplifier that can generate maximum power output to drive a load (e.g., a speaker) at a given distortion rate. The power amplifier plays a pivotal role of 'organization and coordination' in the whole sound system, and dominates to some extent whether the whole system can provide good tone quality output, if the power amplifier can not timely dissipate heat during working, a large amount of heat can be generated by the power amplifier, the normal work of the power amplifier can be certainly influenced, if the heat is serious, elements can be damaged, the power amplifier can not normally work, even the power amplifier is broken, the power amplifier is on fire, and therefore a fire hazard is caused, and certain potential safety hazards are caused. The traditional heat dissipation method of the power amplifier is an external heat radiator, occupies a large area, and increases the product cost, so that the design of the power amplifier with high heat dissipation efficiency is necessary.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a merit device that radiating efficiency is high to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a power amplifier that radiating efficiency is high, includes the bottom plate, fixed surface is equipped with the apron on the bottom plate, fixed surface is equipped with down the heating panel under the bottom plate, fixed surface is equipped with the heating panel on the apron, fixed surface is equipped with the power amplifier main part on the bottom plate, the apron is inside evenly fixed being equipped with auxiliary heating panel around the power amplifier main part, the left and right-hand member of bottom plate upper surface is fixed to be equipped with air cooling system, the upper end embedding of going up the heating panel is equipped with first water cooling system, the embedding of heating panel lower extreme is equipped with the second water cooling system down, first water cooling system and second water cooling system right-hand member intercommunication have the heat exchanger, the fixed fixing base that is equipped.

Preferably, the air cooling system comprises a first air duct, the first air duct is arranged at the left end inside the cover plate and clings to the left side of the power amplifier main body, a first air blowing fan is fixedly arranged at the lower end inside the first air duct, a second air duct clinging to the power amplifier bodies on the left side and the right side is arranged in the middle inside the cover plate, a second air blowing fan is fixedly arranged at the lower end inside the second air duct, a third air duct clinging to the right side of the power amplifier bodies is arranged at the right end inside the cover plate, a third air blowing fan is fixedly arranged at the lower end inside the third air duct, and an exhaust fan is spliced and arranged.

Preferably, first water cooling system includes first heat dissipation water pipe, first heat dissipation water pipe embedding assembly is in the upper end of last heating panel, first heat dissipation water pipe right-hand member below intercommunication has first water pump, first water pump right-hand member intercommunication has first inlet tube, first heat dissipation water pipe right-hand member top intercommunication has the second water pump, second water pump right-hand member intercommunication has first outlet pipe, first inlet tube and first outlet pipe right-hand member intercommunication have the heat exchanger.

Preferably, the second water cooling system includes the second heat dissipation water pipe, the lower extreme of second heat dissipation water pipe embedding assembly heating panel under, second heat dissipation water pipe right-hand member below intercommunication has the third water pump, third water pump right-hand member intercommunication has the second outlet pipe, second heat dissipation water pipe right-hand member top intercommunication has the fourth water pump, fourth water pump right-hand member intercommunication has the second inlet tube, second inlet tube and second outlet pipe right-hand member intercommunication have the heat exchanger.

Compared with the prior art, this scheme has designed a work amplifier that radiating efficiency is high, has following beneficial effect:

(1) the device takes away heat generated by the power amplifier from the cover plate and the bottom rapidly through the air cooling system, and reduces the temperature in the power amplifier.

(2) This device lets the heat transmit the outside as early as possible from the power amplifier main part through supplementary heating panel, last heating panel and lower heating panel, all is provided with the heating panel from top to bottom and has increased the radiating rate, coordinates first water cooling system and second water cooling system again and takes away the heat of last heating panel and lower heating panel rapidly, high promotion the radiating efficiency.

(3) The water inlet and outlet directions of the first water cooling system and the second water cooling system are opposite, one is water inlet from the front and then water outlet from the back, and the other is water inlet from the back and then water outlet from the front, so that the possibility of unidirectional overheating of the power amplifier is avoided.

Drawings

Fig. 1 is a schematic sectional view of the front structure of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a bottom view of the present invention.

Fig. 4 is a schematic sectional view of the top view structure of the present invention.

In the figure: 1 bottom plate, 2 apron, 3 last heating panels, 4 lower heating panels, 5 air-cooled system, 51 first air-blowing fan, 52 second air-blowing fan, 53 third air-blowing fan, 54 first wind channel, 55 second wind channel, 56 third wind channel, 57 exhaust fan, 6 power amplifier main parts, 7 auxiliary heat dissipation board, 8 first water cooling system, 81 first inlet tube, 82 first water pump, 83 first cooling tube, 84 second water pump, 85 first outlet pipe, 9 second water cooling system, 91 second outlet pipe, 92 third water pump, 93 second heat dissipation water pipe, 94 fourth water pump, 95 second inlet tube, 10 heat exchangers, 11 fixing bases.

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, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: the utility model provides a power amplifier that radiating efficiency is high, comprising a

base plate

1, 1 fixed surface of bottom plate is equipped with

apron

2, 1 fixed surface of bottom plate is equipped with down heating panel 4, 2 fixed surface of apron are equipped with

heating panel

3, 1 fixed surface of bottom plate is equipped with power amplifier

main part

6, 2 inside even fixed being equipped with auxiliary heat dissipation board 7 around power amplifier main part 6 of apron, 1 upper surface of bottom plate is left, in with the fixed air cooling system 5 that is equipped with of right-hand member, the upper end embedding of going up heating panel 3 is equipped with first water cooling system 8, 4 lower extreme embedding of lower heating panel is equipped with second water cooling system 9, first

water cooling system

8 and 9 right-hand members intercommunication of second water cooling system have heat exchanger 10, the fixed fixing base 11 that is equipped.

The fixing seat 11 can ensure the stability of the device and can not be biased by the right heat exchanger 10.

The auxiliary heat dissipation plate 7 can better transfer heat to the cover plate 2, and the heat is transferred from the cover plate 2 to the upper heat dissipation plate 3 and the lower heat dissipation plate 4 for heat dissipation.

The air cooling system 5 comprises a first air duct 54, the first air duct 54 is arranged at the left end inside the cover plate 2 and is tightly attached to the left side of the power amplifier main body 6, a first air blowing fan 51 is fixedly assembled at the lower end inside the first air duct 54, a second air duct 55 tightly attached to the power amplifier bodies 6 on the left side and the right side is arranged in the middle inside the cover plate 2, a second air blowing fan 52 is fixedly assembled at the lower end inside the second air duct 55, a third air duct 56 tightly attached to the right side of the power amplifier bodies 6 is arranged at the right end inside the cover plate 2, a third air blowing fan 53 is fixedly assembled at the lower end inside the third air duct 56, and.

The air cooling system 5 sucks the outside air into the first air duct 54, the second air duct 55 and the third air duct 56, and then discharges the air carrying heat from the exhaust fan 57, so that the heat inside the device is taken away quickly, and the temperature around the power amplifier body 6 is reduced.

The first water cooling system 8 comprises a first heat dissipation water pipe 83, the first heat dissipation water pipe 83 is embedded and assembled at the upper end of the upper heat dissipation plate 3, a first water pump 82 is communicated below the right end of the first heat dissipation water pipe 83, a first water inlet pipe 81 is communicated with the right end of the first water pump 82, a second water pump 84 is communicated above the right end of the first heat dissipation water pipe 83, a first water outlet pipe 85 is communicated with the right end of the second water pump 84, and the heat exchanger 10 is communicated with the right ends of the first water inlet pipe 81 and the first water outlet pipe 85.

The second water cooling system 9 comprises a second heat dissipation water pipe 93, the second heat dissipation water pipe 93 is embedded and assembled at the lower end of the lower heat dissipation plate 4, a third water pump 92 is communicated below the right end of the second heat dissipation water pipe 93, a second water outlet pipe 91 is communicated with the right end of the third water pump 92, a fourth water pump 94 is communicated above the right end of the second heat dissipation water pipe 93, a second water inlet pipe 95 is communicated with the right end of the fourth water pump 94, and a heat exchanger 10 is communicated between the second water inlet pipe 95 and the right end of the second water outlet pipe 91.

First water cooling system 8 and second water cooling system 9 can help last heating panel 3 and lower heating panel 4 to dispel the heat, will take away the heat that transmits the heating panel from power amplifier main part 6 rapidly, very big improvement the radiating efficiency.

The water circulation directions of the second water cooling system 9 and the first water cooling system 8 are opposite, so that the up-and-down heat dissipation is more uniform, and the phenomenon that the temperature on the same side is too high is avoided.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a work amplifier that radiating efficiency is high which characterized in that: comprises a bottom plate (1), a cover plate (2) is fixedly assembled on the upper surface of the bottom plate (1), the lower surface of the bottom plate (1) is fixedly provided with a lower heat dissipation plate (4), the upper surface of the cover plate (2) is fixedly provided with an upper heat dissipation plate (3), the upper surface of the bottom plate (1) is fixedly provided with a power amplifier main body (6), the inner part of the cover plate (2) is uniformly and fixedly provided with auxiliary heat dissipation plates (7) around the power amplifier main body (6), the left, the middle and the right ends of the upper surface of the bottom plate (1) are fixedly provided with air cooling systems (5), the upper end of the upper heat dissipation plate (3) is embedded and assembled with a first water cooling system (8), the lower end of the lower heat dissipation plate (4) is embedded and assembled with a second water cooling system (9), the right ends of the first water cooling system (8) and the second water cooling system (9) are communicated with a heat exchanger (10), the left side and the right side of the lower surface of the lower heat dissipation plate (4) are fixedly provided with fixing seats (11).

2. The power amplifier of claim 1, wherein the power amplifier has a high heat dissipation efficiency, and comprises: air-cooled system (5) includes first wind channel (54), first wind channel (54) are seted up at the inside left end of apron (2) and are hugged closely amplificator main part (6) left side, the inside lower extreme fixed mounting in first wind channel (54) has first blowing fan (51), set up second wind channel (55) of hugging closely left and right sides amplificator main part (6) in the middle of apron (2) is inside, the inside lower extreme fixed mounting in second wind channel (55) has second blowing fan (52), third wind channel (56) of hugging closely amplificator main part (6) right side have been seted up to the inside right-hand member in apron (2), the inside lower extreme fixed mounting in third wind channel (56) has third blowing fan (53), apron (2) rear grafting has exhaust fan (57).

3. The power amplifier of claim 1, wherein the power amplifier has a high heat dissipation efficiency, and comprises: first water cooling system (8) are including first heat dissipation water pipe (83), first heat dissipation water pipe (83) embedding assembly is in the upper end of last heating panel (3), first heat dissipation water pipe (83) right-hand member below intercommunication has first water pump (82), first water pump (82) right-hand member intercommunication has first inlet tube (81), first heat dissipation water pipe (83) right-hand member top intercommunication has second water pump (84), second water pump (84) right-hand member intercommunication has first outlet pipe (85), first inlet tube (81) and first outlet pipe (85) right-hand member intercommunication have heat exchanger (10).

4. The power amplifier of claim 1, wherein the power amplifier has a high heat dissipation efficiency, and comprises: second water cooling system (9) are including second heat dissipation water pipe (93), second heat dissipation water pipe (93) embedding assembly is at the lower extreme of lower heating panel (4), second heat dissipation water pipe (93) right-hand member below intercommunication has third water pump (92), third water pump (92) right-hand member intercommunication has second outlet pipe (91), second heat dissipation water pipe (93) right-hand member top intercommunication has fourth water pump (94), fourth water pump (94) right-hand member intercommunication has second inlet tube (95), second inlet tube (95) and second outlet pipe (91) right-hand member intercommunication have heat exchanger (10).