CN219644452U

CN219644452U - Heat radiation structure of power amplifier

Info

Publication number: CN219644452U
Application number: CN202320468618.5U
Authority: CN
Inventors: 杨海波; 杜轩; 肖跃; 刘忠雷; 冯波
Original assignee: Nanjing Yonghao Electronic Technology Co ltd
Current assignee: Nanjing Yonghao Electronic Technology Co ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-09-05
Anticipated expiration: 2033-03-13

Abstract

The utility model discloses a heat dissipation structure of a power amplifier, which comprises a base and the power amplifier arranged on the inner wall of the base: the bottom of base is provided with the fan, the activity of the open end outer wall of base is provided with the upper cover, and the vertical end inner wall of upper cover is equipped with the louvre, the vertical end inner wall activity of upper cover is provided with the radiator unit, and the radiator unit has on its stroke and extends to the heat dissipation position in the louvre and be located the dismouting position outside the louvre. According to the utility model, the position state of the radiating component can be flexibly adjusted through the radiating component which is movably arranged, so that when the radiating component extends into the radiating hole, a high-efficiency radiating effect is achieved on the power amplifier, and when the radiating component moves out of the radiating hole, the structural position of the radiating component is convenient to adjust, and the radiating structure is quickly and conveniently disassembled, assembled and replaced, so that the operation flexibility of the radiating structure is effectively improved.

Description

Heat radiation structure of power amplifier

Technical Field

The utility model relates to the technical field of power amplifier heat dissipation, in particular to a heat dissipation structure of a power amplifier.

Background

The power amplifier is called as "power amplifier" for short, and can generate maximum power output to drive a load (such as a loudspeaker) under the condition of a given distortion rate, the power amplifier plays a role of a pivot of "organization and coordination" in the whole sound system, which is a dominant role in providing good sound quality output for the whole system to a certain extent, at present, the power amplifier converts the power of a power supply into a current according to the change of an input signal by utilizing the current control function of a triode or the voltage control function of a field effect transistor, and the power amplifier is an important component of microwave equipment, if the amplifier fails, the circuit is blocked by a single channel, and the reliability of microwave communication is affected, so that an auxiliary heat dissipation device is usually needed to be added to reduce the internal temperature of the amplifier, so that internal elements normally work.

Chinese patent publication No.: CN213126620U discloses a heat dissipation metal substrate structure of power amplifier, which comprises a plate body, the mounting groove has been seted up on the plate body top, the inside fixed ware body that is provided with of mounting groove, the inside fixed notch that has all offered all around of mounting groove, the inside one side of fixed notch is all slidable mounting has fixed slider, fixed slider is all fixed being provided with spacing fixed block in one side that is close to the ware body, spacing fixed block relative one end all passes fixed notch and the outside contact of ware body and fixes, fixed slider is all fixed being provided with fixed spring between one side that is close to the ware body and fixed notch inside.

When the existing heat radiation structure is used for heat radiation treatment, the heat radiation hole is usually matched with the combined structure of the heat radiation fins at the fixed position, so that the specific position state of the heat radiation structure is inconvenient to flexibly adjust, the heat radiation structure is inconvenient to independently and flexibly replace and adjust, and the using effect of the heat radiation structure is reduced.

Disclosure of Invention

The utility model aims to provide the heat dissipation structure of the power amplifier, which adopts the heat dissipation assembly which is movably arranged, is convenient for adjusting and replacing the heat dissipation structure while improving the heat dissipation efficiency, and improves the operation flexibility.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a power amplifier heat radiation structure, includes the base to and set up the power amplifier at the base inner wall:

a fan is arranged at the bottom of the base;

an upper cover is movably arranged on the outer wall of the open end of the base, and a heat dissipation hole is formed in the inner wall of the vertical end of the upper cover;

the inner wall of the vertical end of the upper cover is movably provided with a heat radiation component, and the heat radiation component is provided with a heat radiation position extending into the heat radiation hole and a disassembly and assembly position positioned outside the heat radiation hole on the stroke of the heat radiation component.

As a further description of the above technical solution:

the radiating component comprises a supporting rod, a lantern ring is movably sleeved on the supporting rod, and radiating fins are arranged at the bottom of the lantern ring.

As a further description of the above technical solution:

the outer walls of the two sides of the radiating fin are provided with convex strips which are distributed in parallel.

As a further description of the above technical solution:

the supporting rod comprises a connecting part arranged on the inner wall of the upper cover, a spring is arranged on the connecting part, and a supporting part penetrating through the lantern ring is arranged on the spring.

As a further description of the above technical solution:

the supporting part is provided with a groove matched with the lantern ring.

As a further description of the above technical solution:

the bottom of upper cover is provided with the slider, and the slider looks adaptation of spout offered on with the base.

As a further description of the above technical solution:

the device also comprises a bearing piece;

the bearing piece comprises a bearing plate arranged on the inner wall of the vertical end of the base, and a bearing groove matched with the power amplifier is formed in the bearing plate.

As a further description of the above technical solution:

the bottom of base is provided with the cushion.

In the technical scheme, the heat dissipation structure of the power amplifier has the following beneficial effects:

this heat radiation structure passes through the heat radiation assembly that the activity set up, the position state of regulation heat radiation assembly that can be nimble to when heat radiation assembly extends to the louvre inside, play efficient radiating effect to power amplifier, and when heat radiation assembly shifts out from the louvre, be convenient for carry out the adjustment operation to heat radiation assembly's structure position, and then carry out quick convenient dismouting to heat radiation structure and change and handle, effectually improved heat radiation structure's flexibility of operation.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

Fig. 1 is a schematic structural diagram of a heat dissipation structure of a power amplifier according to an embodiment of the present utility model;

fig. 2 is a schematic structural view of an upper cover according to an embodiment of the present utility model;

fig. 3 is a schematic view of a partial structure of a connection portion between an upper cover and a heat dissipation assembly according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a support rod according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a heat sink according to an embodiment of the present utility model;

fig. 6 is a schematic structural view of a support according to an embodiment of the present utility model.

Reference numerals illustrate:

1. an upper cover; 11. a slide block; 12. a heat dissipation assembly; 121. a support rod; 1211. a support part; 1212. a groove; 1213. a spring; 1214. a connection part; 122. a heat sink; 1221. a convex strip; 123. a collar; 2. a heat radiation hole; 3. a base; 4. a support; 41. a bearing plate; 42. a support groove; 5. a power amplifier; 6. a fan; 7. a cushion block; 8. and a sliding groove.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-6, a heat dissipation structure of a power amplifier includes a base 3, and a power amplifier 5 disposed on an inner wall of the base 3:

the bottom of the base 3 is provided with a fan 6, the outer wall of the open end of the base 3 is movably provided with an upper cover 1, the inner wall of the vertical end of the upper cover 1 is provided with a heat dissipation hole 2, the fan 6 is started to enable air to be extracted from the lower side of the base 3 to enter the base 3 and blow to the lower surface of the power amplifier 5, so that air flow flowing from bottom to top can be formed in the base 3, working heat in the base 3 is dissipated outwards through the heat dissipation hole 2, and the working temperature in the base 3 is reduced;

the vertical end inner wall activity of upper cover 1 is provided with radiator unit 12, and radiator unit 12 has the dismouting position that extends to the inside heat dissipation position of louvre 2 and is located outside the louvre 2 on its stroke, when radiator unit 12's part extends to inside the louvre 2, make radiator unit 12 can absorb more heat, and under the blowing of flowing air current, accelerate the radiating rate of heat on the radiator unit 12, and then improve the radiating effect of power amplifier 5, and when radiator unit 12 shifts out in the louvre 2, then the dismouting adjustment operation of radiator unit 12 of being convenient for, and then carry out quick convenient dismouting change to radiator unit 12 and handle, the effectual operating flexibility who improves heat radiation structure.

The radiating component 12 comprises a supporting rod 121, a lantern ring 123 is movably sleeved on the supporting rod 121, radiating fins 122 are arranged at the bottom of the lantern ring 123, convex strips 1221 which are distributed in parallel are arranged on the outer walls of two sides of the radiating fins 122, grooves 1212 which are matched with the lantern ring 123 are formed in the supporting portion 1211, the lantern ring 123 can be embedded into the grooves 1212 one by one, the position of each radiating fin 122 is limited and fixed, a part of the radiating fins 122 can extend into the radiating holes 2, heat in the radiating holes 2 can be quickly absorbed, and the heat is quickly dissipated under the blowing of air flow, so that the radiating effect of the power amplifier 5 is improved.

The supporting rod 121 includes a connecting portion 1214 disposed on the inner wall of the upper cover 1, a spring 1213 is disposed on the connecting portion 1214, and a supporting portion 1211 penetrating through the collar 123 is disposed on the spring 1213, when the supporting portion 1211 is pulled to separate from the connecting portion 1214, the spring 1213 will be stretched and deformed at this time, and the heat sink 122 can be moved out of the heat sink 2 at this time, so as to adjust the position of the heat sink 122 or detach and replace the heat sink 122, when the supporting portion 1211 is released, the spring 1213 returns and rebounds, and the heat sink 122 can be driven to enter the heat sink 2 again for auxiliary heat dissipation.

The bottom of upper cover 1 is provided with slider 11, and slider 11 and spout 8 looks adaptation of seting up on the base 3, through the sliding connection of slider 11 and spout 8, can be with the convenient and accurate slip cover of upper cover 1 on the base 3, can form complete closed structure, play sealed protection's effect to power amplifier 5.

Still include bearing piece 4, bearing piece 4 is equipped with the bearing groove 42 with power amplifier 5 looks adaptation including setting up the bearing board 41 at the vertical end inner wall of base 3 on the bearing board 41, can play spacing centre gripping support's effect to power amplifier 5 for power amplifier 5 can not contact with the bottom inner wall of base 3, thereby give sufficient flow space with the air current, improve power amplifier 5's radiating effect.

The bottom of base 3 is provided with cushion 7, can be at the lower surface bed hedgehopping of base 3 for the air intake of fan 6 can hang in midair, so that the flow of air.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides a power amplifier heat radiation structure, includes base (3) to and set up power amplifier (5) at base (3) inner wall, its characterized in that:

a fan (6) is arranged at the bottom of the base (3);

an upper cover (1) is movably arranged on the outer wall of the open end of the base (3), and a heat dissipation hole (2) is formed in the inner wall of the vertical end of the upper cover (1);

the inner wall of the vertical end of the upper cover (1) is movably provided with a heat radiation component (12), and the heat radiation component (12) is provided with a heat radiation position extending into the heat radiation hole (2) and a disassembly and assembly position positioned outside the heat radiation hole (2) on the stroke.

2. A power amplifier heat dissipation structure as defined in claim 1, wherein: the radiating component (12) comprises a supporting rod (121), a lantern ring (123) is movably sleeved on the supporting rod (121), and radiating fins (122) are arranged at the bottom of the lantern ring (123).

3. A power amplifier heat dissipation structure as defined in claim 2, wherein: the outer walls of the two sides of the radiating fin (122) are provided with convex strips (1221) which are distributed in parallel.

4. A power amplifier heat dissipation structure as defined in claim 2, wherein: the support rod (121) comprises a connecting part (1214) arranged on the inner wall of the upper cover (1), a spring (1213) is arranged on the connecting part (1214), and a support part (1211) penetrating through the collar (123) is arranged on the spring (1213).

5. The power amplifier heat dissipation structure as set out in claim 4, wherein: the supporting part (1211) is provided with a groove (1212) matched with the collar (123).

6. A power amplifier heat dissipation structure as defined in claim 1, wherein: the bottom of upper cover (1) is provided with slider (11), and slider (11) and spout (8) looks adaptation of seting up on base (3).

7. A power amplifier heat dissipation structure as defined in claim 1, wherein: also comprises a bearing piece (4);

the bearing piece (4) comprises a bearing plate (41) arranged on the inner wall of the vertical end of the base (3), and a bearing groove (42) matched with the power amplifier (5) is formed in the bearing plate (41).

8. A power amplifier heat dissipation structure as defined in claim 1, wherein: the bottom of the base (3) is provided with a cushion block (7).