Power amplifier assembly with optimized heat dissipation

Abstract

The utility model discloses a power amplifier assembly with optimized heat dissipation, which comprises an outer shell, a radiator, a support body, a power amplifier body and a box cover assembly, the support body is arranged in the outer shell, the lower end of the support body is connected with the radiator, the upper end of the support body is connected with the power amplifier body, and the upper end of the outer shell is connected with the box cover assembly. The box cover assembly abuts against the upper end of the power amplifier body. The utility model aims to provide the power amplifier assembly which is high in heat dissipation efficiency, good in stability and convenient to install and maintain.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic equipment technical field, and specifically is a power amplifier assembly that heat dissipation is optimized. BACKGROUND

[0002] With the continuous development of electronic equipment and power amplifier (power amplifier) is widely used in communication, sound, broadcast and other fields, the heat management problem of power amplifier is increasingly prominent. Power amplifier will produce a large amount of heat in the working process, if these heat cannot be effectively dissipated, will lead to the temperature of power amplifier body is too high, thereby affecting its working stability and service life. Therefore, the design of the heat dissipation system becomes one of the key factors to improve the performance and reliability of power amplifier.

[0003] The existing power amplifier assembly usually adopts radiator, fan and other heat dissipation means, but in actual application, the heat dissipation effect is still affected by many factors. For example, the heat dissipation area and heat dissipation efficiency of the radiator are insufficient, the position and wind direction of the fan are not ideal, which leads to the heat generated by the power amplifier cannot be effectively discharged. At the same time, the combination of the fixing of the power amplifier body and the radiator also often has defects, which cannot maximize the role of the radiator.

[0004] In order to solve these problems, a new type of power amplifier assembly is needed, which not only has high heat dissipation capacity, but also can ensure the stable installation of the power amplifier body, improve the reliability and operation efficiency of the whole system. UTILITY MODEL CONTENTS

[0005] In view of the above shortcomings in the prior art, the utility model aims to provide a power amplifier assembly with high heat dissipation efficiency, good stability and convenient installation and maintenance.

[0006] The utility model discloses the technical scheme adopted for realizing the above-mentioned purpose is: a power amplifier assembly that heat dissipation is optimized, including shell body, radiator, support body, power amplifier body, box cover assembly, the shell body is used for providing the protection effect, simultaneously to power amplifier assembly and so on The component plays the supporting effect, the support body is arranged in the shell body, through the support body, first, the radiator at the lower end is limited and fixed, then the power amplifier assembly at the upper end plays the supporting fixed effect, the support body lower end is connected with the radiator and is used for the effective heat dissipation of power amplifier body, the support body upper end is connected with the power amplifier body, the shell body upper end is connected with the box cover assembly, the box cover assembly and power amplifier body upper end are opposite and touch, the box cover assembly is used for covering the shell body, and the power amplifier body is pressed and fixed in steps.

[0007] In the above technical scheme, the heat sink comprises a first heat dissipation fin group, a second heat dissipation fin group and a heat dissipation copper pipe, a plurality of heat dissipation copper pipes are penetrated through the first heat dissipation fin group, the two ends of the heat dissipation copper pipe are vertically bent upwards after penetrating out of the first heat dissipation fin group, and the second heat dissipation fin group is connected to the heat dissipation copper pipe penetrating upwards and vertically.

[0008] In the above technical scheme, the first heat dissipation fin group is provided with a first air outlet on the opposite sides of the outer shell body, the second heat dissipation fin group is provided with a second air outlet on the opposite sides of the outer shell body, a first frame opening is embedded and mounted at the second air outlet, and a first exhaust fan is fixedly connected in the first frame opening.

[0009] In the above technical scheme, the upper middle part of the support body is provided with a mounting groove, the power amplifier body is mounted in the mounting groove, the lower middle part of the support body is provided with two groups of symmetrically arranged fixing grooves, a second exhaust fan is fixedly mounted in each fixing groove, a plurality of ventilation holes are formed in the bottom surface of the mounting groove, and the ventilation holes are communicated with the fixing grooves.

[0010] In the above technical scheme, the box cover assembly comprises a box cover plate, a sliding groove block, a sliding groove frame, an extension rod and a spiral spring, the lower ends of the two sides of the box cover plate are fixedly connected with the sliding groove blocks, the sliding groove frame is slidably connected to the sliding groove blocks, the lower ends of the sliding groove frames abut against the power amplifier body, a plurality of guide holes are formed in the lower ends of the sliding groove blocks, the extension rod is fixedly connected in the guide holes, the other end of the extension rod is fixedly connected with the inner bottom surface of the sliding groove frame, the extension rod is sleeved with the spiral spring, one end of the spiral spring abuts against the bottom of the guide hole, the other end of the spiral spring abuts against the inner bottom surface of the sliding groove frame, and a plurality of air inlet holes are formed in the box cover plate.

[0011] In the above technical scheme, the upper ends of the two sides of the support body are provided with threaded holes, a through hole is formed in the box cover plate on the opposite side of the threaded hole, and a bolt is threadedly connected with the threaded hole after penetrating through the through hole.

[0012] In the above technical scheme, one side of the power amplifier body is provided with a plurality of interfaces, a window is formed in the outer shell body on the opposite side of the interface, a second frame opening is embedded and mounted in the window, one end of the second frame opening abuts against one side of the power amplifier body, and the upper end surface and the lower end surface of the power amplifier body are both provided with heat dissipation holes.

[0013] The utility model discloses beneficial effects:

[0014] 1, efficient heat dissipation: the combination of the plurality of heat dissipation fin groups and the heat dissipation copper pipe is designed, the heat dissipation surface area is increased, and the heat dissipation efficiency is effectively improved. The first heat dissipation fin group and the second heat dissipation fin group are connected through the heat dissipation copper pipe, form an efficient heat dissipation channel, and ensure that the heat generated by the power amplifier can be quickly released through the heat dissipation system.

[0015] 2、Optimized air circulation design: By setting multiple air inlets and outlets on both sides of the outer shell, combined with the exhaust system of the first and second exhaust fans, the efficiency of air flow is ensured. The fan accelerates air flow and carries heat out of the outer shell, effectively preventing the power amplifier component from malfunctioning due to excessive temperature.

[0016] 3、Stability improvement of power amplifier body: The power amplifier body is stably fixed by the support body, and the design of the support body considers the use of heat-conducting materials, which can quickly transfer the heat generated by the power amplifier body to the heat sink. The connection between the power amplifier body and the support body is tight, avoiding loosening or instability caused by vibration or temperature changes, and improving the long-term reliability of the power amplifier.

[0017] 4、Innovative design of the box cover assembly: By setting the structure of the sliding groove block, sliding groove frame, extension rod and spiral spring, the box cover assembly can automatically adjust the pressure, effectively pressing the power amplifier body on the support body, ensuring the stability of the power amplifier. At the same time, the air inlet hole on the box cover ensures the circulation of air, providing sufficient heat dissipation channels for the power amplifier.

[0018] 5、Simple installation and maintenance: The structure of the entire power amplifier assembly is compact and reasonable, and the power amplifier body, heat sink, fan and other components are assembled in a modular way, which is convenient for installation, disassembly and maintenance. The box cover assembly is fixed by bolts to ensure the sealing of the outer shell and simplify the maintenance operation.

[0019] In summary, the utility model improves the heat dissipation efficiency and stability of the power amplifier assembly significantly through the innovative heat dissipation structure and stable installation design of the power amplifier body, effectively reduces the working temperature of the power amplifier under high load working condition, prolongs the service life of the power amplifier, improves the working efficiency and reliability of the entire power amplifier system, and has broad application prospect. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 is a schematic diagram of the disassembly structure of the utility model;

[0022] Figure 3 is a schematic diagram of the heat sink structure of the utility model;

[0023] Figure 4 is a schematic diagram of the support body cross-section connection structure of the utility model;

[0024] Figure 5 is a schematic diagram of the power amplifier body bottom view structure of the utility model;

[0025] Figure 6The utility model discloses a box cover assembly section structure schematic diagram.

[0026] In the drawing: 1 outer shell, 2 radiator, 3 support body, 4 power amplifier body, 5 box cover assembly, 101 first radiating fin group, 102 second radiating fin group, 103 radiating copper pipe, 201 first air outlet, 202 second air outlet, 203 first frame opening, 204 first exhaust fan, 301 mounting groove, 302 fixed slot, 303 second exhaust fan, 304 vent hole, 401 box cover plate, 402 sliding groove block, 403 sliding groove frame, 404 telescopic rod, 405 spiral spring, 406 guide hole, 407 air inlet hole, 501 threaded hole, 502 through hole, 503 bolt, 601 interface, 602 window, 603 second frame opening, 604 radiating through hole. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the utility model.

[0028] Please refer to Figures 1-6 A power amplifier assembly with optimized heat dissipation comprises an outer shell 1, a radiator 2, a support body 3, a power amplifier body 4 and a box cover assembly 5. The outer shell 1 provides protection and supports the power amplifier assembly and other components. The support body 3 is arranged in the outer shell 1. The support body 3 first fixes the lower radiator 2 in position and then supports and fixes the upper power amplifier assembly. The lower end of the support body 3 is connected with the radiator 2 for effectively dissipating heat from the power amplifier body 4. The upper end of the support body 3 is connected with the power amplifier body 4. The upper end of the power amplifier body 4 is in contact with the box cover assembly 5. The box cover assembly 5 covers the outer shell 1 and fixes the power amplifier body 4 in position.

[0029] In the above technical scheme, the radiator 2 comprises a first radiating fin group 101, a second radiating fin group 102 and a radiating copper pipe 103. The first radiating fin group 101 is provided with a plurality of radiating copper pipes 103. The two ends of each radiating copper pipe 103 are vertically bent upwards after penetrating through the first radiating fin group 101. The second radiating fin group 102 is connected to the vertically bent radiating copper pipes 103. The second radiating fin group 102 improves the heat dissipation area and the heat dissipation efficiency.

[0030] In the above technical scheme, the first heat dissipation fin group 101 is provided with a first air outlet 201 on the opposite sides of the shell 1, the second heat dissipation fin group 102 is provided with a second air outlet 202 on the opposite sides of the shell 1, the first air outlet 201 is provided with a first frame opening 203, the first frame opening 203 is fixedly connected with a first exhaust fan 204; the upper end of the bracket body 3 is provided with an installation groove 301, the power amplifier body 4 is installed in the installation groove 301, the lower end of the bracket body 3 is provided with two groups of symmetrical fixed grooves 302, the fixed grooves 302 are respectively fixedly installed with second exhaust fans 303, the bottom surface of the installation groove 301 is provided with a plurality of ventilation holes 304, the ventilation holes 304 are respectively communicated with the fixed grooves 302, in use, the first exhaust fan 204 and the second exhaust fan 303 are arranged to exhaust air outside the shell 1, at this time, external air enters the shell 1 through the air inlet holes 407 on the cover plate assembly, thereby effectively dissipating heat of the power amplifier assembly in the shell 1, meanwhile, the bracket body 3 is made of heat-conducting material, heat generated by the power amplifier assembly can be quickly conducted to the bracket body 3, and then the bracket body 3 transmits the heat to the radiator 2, and air flowing through the radiator 2 carries the heat out of the shell 1.

[0031] In the above technical scheme, the box cover assembly 5 comprises a box cover plate 401, a sliding groove block 402, a sliding groove frame 403, an extension rod 404, a spiral spring 405, the lower end of the box cover plate 401 is fixedly connected with the sliding groove block 402 on both sides, the sliding groove block 402 is slidably connected with the sliding groove frame 403, the lower end of the sliding groove frame 403 is in abutment with the power amplifier body 4, the lower end of the sliding groove block 402 is provided with a plurality of guide holes 406, the extension rod 404 is fixedly connected in the guide holes 406, the other end of the extension rod 404 is fixedly connected with the inner bottom surface of the sliding groove frame 403, the extension rod 404 is sleeved with the spiral spring 405, one end of the spiral spring 405 is in abutment with the bottom of the guide hole 406, the other end of the spiral spring 405 is in abutment with the inner bottom surface of the sliding groove frame 403, a plurality of air inlet holes 407 are provided on the box cover plate 401, the upper end of the bracket body 3 is provided with a threaded hole 501 on both sides, a through hole 502 is provided on the opposite side of the box cover plate 401, a bolt 503 is screwed in the threaded hole 501 through the through hole 502, in use, the box cover plate 401 is fixedly installed on the upper end of the shell 1 through the bolt 503, at this time, the spiral spring 405 pushes the sliding groove frame 403 to move downward under the action of the elastic force, the sliding groove frame 403 is in abutment with the power amplifier body 4 under the action of the elastic force, thereby improving the installation stability of the power amplifier assembly.

[0032] In the above technical scheme, the power amplifier body 4 is provided with a plurality of interfaces 601 on one side, the interface 601 is provided with a window 602 on the opposite side of the shell 1, the second frame 603 is embedded and installed in the window 602, one end of the second frame 603 abuts with one side of the power amplifier body 4, and the upper end face and the lower end face of the power amplifier body 4 are both provided with heat dissipation through holes 604.

[0033] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0034] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be properly combined to form other embodiments which can be understood by those skilled in the art.

Claims

1. A power amplifier assembly with optimized heat dissipation, comprising a housing (1), a heat sink (2), a bracket (3), a power amplifier body (4), and a cover assembly (5), characterized in that: The outer casing (1) is provided with a support body (3), the lower end of the support body (3) is connected to a heat sink (2), the upper end of the support body (3) is connected to a power amplifier body (4), the upper end of the outer casing (1) is connected to a cover assembly (5), and the cover assembly (5) abuts against the upper end of the power amplifier body (4). The radiator (2) includes a first heat dissipation fin group (101), a second heat dissipation fin group (102), and a heat dissipation copper tube (103). A plurality of heat dissipation copper tubes (103) are passed through the first heat dissipation fin group (101). After the two ends of the heat dissipation copper tubes (103) pass through the first heat dissipation fin group (101), they are bent vertically upward. The second heat dissipation fin group (102) is connected through the heat dissipation copper tubes (103) that are perpendicular to the top.

2. The power amplifier component with optimized heat dissipation according to claim 1, characterized in that: The first heat dissipation fin group (101) has a first air outlet (201) on both sides of the outer shell (1) opposite to it, and the second heat dissipation fin group (102) has a second air outlet (202) on the outer shell (1) opposite to it. A first frame (203) is fitted into the second air outlet (202), and a first exhaust fan (204) is fixedly connected inside the first frame (203).

3. The power amplifier component with optimized heat dissipation according to claim 1, characterized in that: The upper middle part of the bracket body (3) is provided with a mounting groove (301), and the power amplifier body (4) is installed in the mounting groove (301). The lower middle part of the bracket body (3) is provided with two sets of symmetrical fixing grooves (302). The second row of fans (303) are fixedly installed in the fixing grooves (302). The bottom surface of the mounting groove (301) is provided with a number of ventilation holes (304), and the ventilation holes (304) are connected to the fixing grooves (302).

4. The power amplifier component with optimized heat dissipation according to claim 1, characterized in that: The enclosure cover assembly (5) includes an enclosure cover plate (401), a sliding block (402), a sliding frame (403), a telescopic rod (404), and a coil spring (405). The sliding blocks (402) are fixedly connected to both sides of the lower end of the enclosure cover plate (401). The sliding frame (403) is slidably connected to the sliding block (402). The lower ends of the sliding frame (403) abut against the power amplifier body (4). The lower end of the sliding block (402) is provided with several guide holes (406). A telescopic rod (404) is fixedly connected inside the guide hole (406). The other end of the telescopic rod (404) is fixedly connected to the inner bottom surface of the slide frame (403). A helical spring (405) is connected to the outer sleeve of the telescopic rod (404). One end of the helical spring (405) abuts against the bottom of the guide hole (406), and the other end of the helical spring (405) abuts against the inner bottom surface of the slide frame (403). Several air inlets (407) are provided on the box cover plate (401).

5. The power amplifier component with optimized heat dissipation according to claim 4, characterized in that: The upper end of the bracket body (3) is provided with threaded holes (501) on both sides. The box cover plate (401) opposite to the threaded hole (501) is provided with a through hole (502). The bolt (503) passes through the through hole (502) and is threadedly connected to the threaded hole (501).

6. The power amplifier component with optimized heat dissipation according to claim 1, characterized in that: The amplifier body (4) has several interfaces (601) on one side. The outer shell (1) on the opposite side of the interface (601) has a window (602). A second frame (603) is installed inside the window (602). One end of the second frame (603) abuts against one side of the amplifier body (4). The upper and lower surfaces of the amplifier body (4) are provided with heat dissipation holes (604).

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