CN219741066U - Shock-resistant and high-efficiency heat-dissipation digital power amplifier - Google Patents

Abstract

The utility model relates to the technical field of power amplifiers, and discloses a shock-resistant and high-efficiency heat-dissipation digital power amplifier which comprises a shell, a power amplifier body and a shock-absorbing component, wherein an extension rod is movably sleeved on the inner wall of the right side of the shell, a transverse tube is movably sleeved on the outer wall of the extension rod, the left end of the transverse tube is fixedly connected with the right side of the shell, and a movable mechanism for controlling the right shock-absorbing component to move is arranged in the extension rod. According to the utility model, through the cooperation among the power amplifier body, the heat radiation assembly, the damping assembly and the sleeve, the dismounting effect on the heat radiation assembly is realized by utilizing the mode of connecting the sleeve with the micro motor through bolts, the problem that the fan is inconvenient to replace in the technical content is effectively solved, and the dismounting step of the heat radiation assembly is simplified by adopting the mode of dismounting the bolts connecting the sleeve with the micro motor, so that the heat radiation effect of the rotation of the heat radiation assembly on the power amplifier body is improved.

Description

Shock-resistant and high-efficiency heat-dissipation digital power amplifier

Technical Field

The utility model relates to the technical field of power amplifiers, in particular to a shock-resistant and high-efficiency heat-dissipation digital power amplifier.

Background

The power amplifier is an amplifier that can generate maximum power output to drive a load (such as a loudspeaker) under a given distortion rate condition, and the power amplifier plays a role of a pivot of organization and coordination in the whole sound system, and to a certain extent, dominates whether the whole system can provide good tone quality output.

However, the existing power amplifier is not only dustproof and shock-resistant, which affects the service life of the power amplifier, but also is inconvenient to install and disassemble, and affects the maintenance efficiency of the power amplifier, so in order to improve the shock resistance of the device, the prior art proposes a damping mechanism of a wire tube to assist the use of the power amplifier, for example, an utility model patent with publication number of CN202020600927.X is proposed, which provides a shock-resistant power amplifier convenient to maintain, comprising a mounting bin, wherein the middle positions of the two sides of the mounting bin are all provided with heat dissipation holes, one side of the inside of the mounting bin is provided with a fan, one side of the inside of the mounting bin, which is close to the fan, is provided with a screen, the bottom and the top of one side, which is far away from the fan, of the inside of the mounting bin are symmetrically provided with sliding grooves, the inside of the sliding grooves is provided with sliding blocks which are mutually matched, the top of the sliding blocks and one side, which is far from the sliding grooves, of the screen are symmetrically provided with mounting plates, the middle position outside the installation bin is provided with a threaded rod which extends to the inside of the installation bin and is connected with the installation plate, the top and the bottom of one side, far away from each other, of the inner side of the installation plate are provided with fixed blocks, the top of each fixed block and one side, far away from the installation plate, of each fixed block are provided with sliding rods, one side, far away from each fixed block, of each sliding rod is provided with a stop block, the outer side of each sliding rod is sleeved with a sleeve, the outer side of each sliding rod is sleeved with a spring, the springs are connected with the corresponding sleeve and the fixed blocks, one side, far away from the installation plate, of each sleeve is provided with a telescopic rod, one side, far away from the corresponding sleeve, of each telescopic rod is provided with a fixed plate, the inner side of each fixed plate is provided with a power amplifier, four corners of the bottom of the installation bin are provided with supporting legs, the middle position of one end of the front of the installation bin is provided with a control panel, the control panel is electrically connected with the power amplifier and the fan respectively through wires. Through adopting above-mentioned disclosed technical matter, fixed block, the spring, the sleeve pipe, the telescopic link, the fixed plate, the mutually supporting of sliding rod and dog, can cushion the vibrations that power amplifier produced, and can also cushion the power that drops, can produce great vibrations when power amplifier during operation, just can produce great power to the during operation and cushion through the device, the too big collision can lead to the damage of internals when bumping the audio amplifier on the ground carelessly, but the device can protect it, increase its life of use, through the mutually supporting of fan, louvre and otter board, can dispel the heat to the temperature that power amplifier during operation produced, prevent that power amplifier during operation from producing a large amount of heat and causing the influence to the device.

From the technical content disclosed above, in theory, implementation of the related technical structure is beneficial to damping and heat dissipation of the power amplifier, but according to the description in the technical content disclosed above, the heat dissipation holes are distributed on two sides of the installation bin, at this time, after the power amplifier is used for a long time, the heat dissipation holes distributed on two sides of the installation bin are easy to be blocked by dust, so that the heat dissipation effect of the power amplifier can be reduced because the heat dissipation holes cannot realize gas flow, and meanwhile, the fan is located in the installation bin, and when the fan fails, staff is inconvenient to check the problem of the fan, thereby obstructing replacement work of the fan.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the anti-vibration and high-efficiency heat dissipation digital power amplifier which has the advantages of simplifying the disassembly and rotation steps of a heat dissipation assembly, facilitating the ash removal work of the heat dissipation assembly and preventing the heat dissipation holes from being blocked due to the fact that dust covers a frame body, and solves the problems in the prior art.

The utility model provides the following technical scheme: the utility model provides an antidetonation and high-efficient radiating digital power amplifier, includes casing, power amplifier body, damper, the extension rod has been cup jointed in the inner wall activity on casing right side, the outer wall activity of extension rod has cup jointed horizontal pipe, and the left end of horizontal pipe and the right side fixed connection of casing, the inside of extension rod is provided with the movable mechanism that controls right side damper activity, the left side of casing is provided with radiator unit, radiator unit's externally mounted has the framework, the equal fixedly connected with T type piece in upper and lower both sides of framework, the outside activity joint of T type piece has the block, the inside of both sides is provided with the coupling assembling that is used for connecting the block around the T type piece.

Preferably, the back of casing has the access door through the hinge, the front of casing is provided with the controller, the equal fixed mounting in both sides of terminal surface has the landing leg under the casing, the right side fixedly connected with L type pole of casing, and the upper end and the outer wall fixed connection of violently managing of L type pole, both sides all fixed mounting have the locating lever around the casing left side, the outer wall activity of locating lever has cup jointed the movable block, and the one end of movable block and the outer wall fixed connection of framework, the right side fixed mounting of framework inner wall has the sleeve that is located the radiator unit outside, the louvre has been seted up to the outer wall of framework.

Preferably, the damping component comprises a clamping plate, one side of the clamping plate, which is far away from the power amplifier body, is fixedly provided with a supporting rod, the outer side of the supporting rod is fixedly connected with a damping block, the inner wall of the damping block is movably sleeved with a round rod, the outer wall of the round rod is movably sleeved with a damping spring, one end of the damping spring is connected with one side of the damping block, one end of the damping spring, which is far away from the damping block, is connected with a fixed block, the outer wall of the fixed block is fixedly connected with one end of the round rod, the damping component on the left side and the right side is fixedly provided with a limiting rod, the upper side and the lower side of the limiting rod are fixedly connected with annular blocks, the inner wall of the annular blocks is movably sleeved with a long rod, the left end of the long rod is fixedly connected with a rectangular block, and the lower end of the rectangular block is fixedly connected with the inner wall of the shell.

Preferably, the left end of extension rod passes through the gag lever post and is connected with the damper on right side, the outer wall evenly distributed of extension rod right-hand member has the slider, and the outer wall of slider cup joints with the inner wall activity of violently managing.

Preferably, the movable mechanism comprises a short rod fixedly connected with the inner wall of the extension rod, a ball nut is fixedly installed at one end of the short rod far away from the extension rod, a ball screw is sleeved on the inner wall of the ball nut in a threaded manner, a driving motor is fixedly installed at the right end of the ball screw, a speed reducer is arranged on an output shaft of the driving motor, a case is fixedly installed outside the driving motor, and the left side of the case is fixedly connected with the right end of the transverse tube.

Preferably, the heat dissipation assembly comprises fan blades, rotating shafts are uniformly distributed on the outer walls of the fan blades, a micro motor is fixedly arranged at the left ends of the fan blades, and the outer walls of the micro motor are connected with the inner walls of the sleeves through bolts.

Preferably, the connecting assembly comprises a spring connected with the inside of the T-shaped block, a connecting block is arranged at one end, far away from the T-shaped block, of the spring, and the outer wall of the connecting block is movably sleeved with the inner wall of the clamping block.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the cooperation among the power amplifier body, the heat radiation assembly, the damping assembly and the sleeve, the dismounting effect on the heat radiation assembly is realized by utilizing the mode of connecting the sleeve with the micro motor through bolts, the problem that the fan is inconvenient to replace in the technical content is effectively solved, and the dismounting step of the heat radiation assembly is simplified by adopting the mode of dismounting the bolts connecting the sleeve with the micro motor, so that the heat radiation effect of the rotation of the heat radiation assembly on the power amplifier body is improved.

2. According to the utility model, through the cooperation among the power amplifier body, the frame body, the connecting component and the clamping block, the separation effect of the frame body and the shell is realized by utilizing the arrangement of the connecting component, the disassembly effect of the frame body is achieved, the problem that the radiating holes are inconvenient to clean in the technical content disclosed by the utility model is effectively solved, and the radiating holes can be cleaned after the frame body is disassembled by changing the connecting mode of the connecting component and the clamping block, so that the influence of dust blocking of the radiating holes on the radiating effect of the power amplifier body is avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a rear view of the access door of the present utility model;

FIG. 3 is a cross-sectional view of a shock absorbing assembly of the present utility model;

FIG. 4 is a side view of a heat dissipating assembly of the present utility model;

fig. 5 is a cross-sectional view of the movable mechanism of the present utility model.

In the figure: 1. a housing; 2. a power amplifier body; 3. a shock absorbing assembly; 301. a clamping plate; 302. a support rod; 303. a damping block; 304. a round bar; 305. a damping spring; 306. a fixed block; 4. a heat radiation hole; 5. an extension rod; 6. a transverse tube; 7. an access door; 8. a movable mechanism; 801. a short bar; 802. a ball nut; 803. a ball screw; 9. a heat dissipation assembly; 901. a fan blade; 902. a rotating shaft; 903. a micro motor; 10. a frame; 11. a T-shaped block; 12. a clamping block; 13. a connection assembly; 131. a spring; 132. a connecting block; 14. a moving block; 15. a controller; 16. a support leg; 17. an L-shaped rod; 18. a positioning rod; 19. a slide block; 20. a limit rod; 21. an annular block; 22. a long rod; 23. rectangular blocks; 24. a driving motor; 25. a chassis; 26. a sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Please refer to fig. 1 and 2, an anti-vibration and high-efficient radiating digital power amplifier, which comprises a housing 1, the power amplifier body 2, damper 3's setting plays the cushioning effect to power amplifier body 2, damper 3's on the right side inner wall movable sleeve has extension rod 5, damper 3's on the right side motion has been provided for to extension rod 5's setting, extension rod 5's outer wall movable sleeve has been connected horizontal pipe 6, horizontal pipe 6's installation provides the space for the motion of extension rod 5, and horizontal pipe 6's left end and casing 1's right side fixed connection, damper 5's inside is provided with the movable mechanism 8 of control right side damper 3 activity, damper 8 provides power for the motion of extension rod 5, casing 1's left side is provided with radiator unit 9, radiator unit 9's installation plays the radiating effect to power amplifier body 2 when using, thereby the damage of extension rod 5's setting to power amplifier body 2 is reduced to high temperature, radiator unit 9's externally mounted has frame 10, the installation of frame 10 provides the space for the motion of extension rod 5, and the installation of radiator unit 9 provides block T-shaped block 11 for the block 11, the two sides of block 11-type 11 is provided with the block 11 and is connected to the two sides of block 11, the block 11-type is connected to the two sides of block 11, the block of setting is connected for the block 11-type 11.

The back of casing 1 is articulated through the hinge has access door 7, hinge articulated connected mode, be convenient for open and close access door 7, thereby realize the maintenance to casing 1 inside, the front of casing 1 is provided with controller 15, the equal fixed mounting in both sides of acting on of terminal surface under the casing 1 has landing leg 16, the setting of landing leg 16 plays the supporting role to casing 1, the right side fixedly connected with L type pole 17 of casing 1, and the upper end and the outer wall fixed connection of violently managing 6 of L type pole 17, the equal fixed mounting in both sides around the casing 1 left side has locating lever 18, the installation of locating lever 18 provides the effect of supporting for the motion and the installation of movable block 14, thereby consolidate the stability of framework 10 installation, the outer wall activity of locating lever 18 has cup jointed movable block 14, and the one end of movable block 14 and the outer wall fixed connection of framework 10, the right side fixed mounting of framework 10 inner wall has the sleeve 26 that is located the outside of radiator unit 9, the setting up of sleeve 26 provides the space for the installation of radiator unit 9, the outer wall of framework 10 has seted up radiator unit 4, the setting up the radiator unit 9 can realize the radiating effect to the radiator unit 9 during operation.

Referring to fig. 3 and 5, the damping component 3 includes a clamping plate 301, the setting of the clamping plate 301 plays to be connected with the power amplifier body 2 and the bracing piece 302, one side that the clamping plate 301 kept away from the power amplifier body 2 fixedly installs the bracing piece 302, the outside fixedly connected with damping block 303 of bracing piece 302, the motion of damping block 303 and damping spring 305 on round bar 304 plays the effect of dispelling energy to the power amplifier body 2, the inner wall activity of damping block 303 has cup jointed round bar 304, the outer wall activity of round bar 304 has cup jointed damping spring 305, damping spring 305's one end is connected with one side of damping block 303, damping spring 305 keeps away from damping block 303's one end and is connected with fixed block 306, the installation of fixed block 306 provides support and platform for damping spring 305 and the installation of round bar 304, and the outer wall of fixed block 306 and the one end fixed connection of round bar 304, the equal fixed mounting of damping component 3 in left and right sides has gag lever 20, the upper and lower both sides of gag lever 20 of right side all fixedly connected with annular block 21, annular block 21 has fixed block 22 at the inner wall that the rectangular block 21 has moved on the side of rectangular block 22 and the length of the fixed block 23 when the rectangular block 23 has been provided with the rectangle block 23, the length of the fixed block 23 is connected with the rectangle length of the inner wall 23.

The left end of extension rod 5 is connected with damper 3 on right side through gag lever post 20, and the outer wall evenly distributed of extension rod 5 right-hand member has slider 19, and slider 19's setting has consolidated the stability that extension rod 5 removed in horizontal pipe 6, and slider 19's outer wall and the inner wall activity of horizontal pipe 6 cup joint.

The movable mechanism 8 comprises a short rod 801 fixedly connected with the inner wall of the extension rod 5, the short rod 801 is connected with the ball nut 802 and the extension rod 5, the ball nut 802 is fixedly arranged at one end, far away from the extension rod 5, of the short rod 801, the ball nut 802 moves to provide power for the extension and retraction of the extension rod 5, the ball screw 803 is sleeved on the inner wall of the ball nut 802 in a threaded manner, the circumferential rotation of the ball screw 803 provides power for the horizontal movement of the ball nut 802, the right end of the ball screw 803 is fixedly provided with the driving motor 24, the output shaft of the driving motor 24 is provided with a speed reducer, the speed reducer is arranged to play a role in adjusting the rotation of the output shaft of the driving motor 24, the chassis 25 is fixedly arranged outside the driving motor 24, the left side of the chassis 25 is fixedly connected with the right end of the transverse tube 6, and the chassis 25 plays a role in protecting the driving motor 24.

Referring to fig. 4, the heat dissipating assembly 9 includes a fan 901, a rotating shaft 902 is uniformly distributed on an outer wall of the fan 901, the rotating shaft 902 is arranged to connect the fan 901 and the micro motor 903, the micro motor 903 is fixedly mounted at a left end of the fan 901, an outer wall of the micro motor 903 is connected with an inner wall of the sleeve 26 by bolts, and the sleeve 26 provides a platform for mounting the micro motor 903.

The connecting component 13 comprises a spring 131 connected with the inside of the T-shaped block 11, the rebound of the spring 131 provides power for the reset of the connecting block 132, the connecting block 132 is installed at one end, far away from the T-shaped block 11, of the spring 131, the outer wall of the connecting block 132 is movably sleeved with the inner wall of the clamping block 12, and the radiating component 9 can be disassembled by changing the connection mode of the connecting block 132 and the clamping block 12.

Working principle: when the power amplifier is used, firstly, the power amplifier body 2 is put into the shell 1, the power supply of the driving motor 24 is started, the driving motor 24 drives the ball screw 803 to rotate after being started, the ball screw 803 rotates circumferentially and simultaneously drives the ball nut 802 to horizontally move, the ball nut 802 moves and simultaneously drives the extension rod 5 to move in the transverse tube 6 through the connection of the short rod 801, the extension rod 5 moves and simultaneously drives the right shock-absorbing component 3 to move towards the power amplifier body 2 through the right limiting rod 20, the driving motor 24 is closed until the inner side of the clamping plate 301 is contacted with the outer wall of the power amplifier body 2, then, the shell 1 is used for a long time, in order to maintain the heat dissipation effect in the shell 1, dust attached to the frame 10 and the heat dissipation component 9 needs to be cleaned in time, meanwhile, the heat dissipation component 9 needs to be maintained regularly, the connection block 132 is pressed into the T-shaped block 11, at the moment, the spring 131 is in a compressed state until the connection block 132 is separated from the clamping block 12, the T-shaped block 11 can be taken out from the inside the clamping block 12, the frame 10 can be detached, the heat dissipation component 9 can be cleaned up, and finally, the heat dissipation component 131 can be mounted from the inside the clamping block 9, and the heat dissipation component can be cleaned, and the heat dissipation component can be recovered from the inside the spring 132, and the heat dissipation component can be used.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Meanwhile, in the drawings of the present utility model, the filling pattern is only for distinguishing the layers, and is not limited in any way.

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

Claims (7)

1. The utility model provides a antidetonation and high-efficient radiating digital power amplifier, includes casing (1), power amplifier body (2), damper (3), its characterized in that: extension rod (5) have been cup jointed in the inner wall activity on casing (1) right side, the outer wall activity of extension rod (5) has cup jointed horizontal pipe (6), and the right side fixed connection of horizontal pipe (6) left end and casing (1), the inside of extension rod (5) is provided with movable mechanism (8) that control right side damper (3) were movable, the left side of casing (1) is provided with radiator unit (9), the externally mounted of radiator unit (9) has framework (10), the equal fixedly connected with T type piece (11) of upper and lower both sides of framework (10), the outside activity joint of T type piece (11) has block (12), the inside of both sides is provided with coupling assembling (13) that are used for connecting block (12) around T type piece (11).

2. A shock resistant and efficient heat dissipating digital power amplifier as recited in claim 1, wherein: the back of casing (1) is articulated through the hinge has access door (7), the front of casing (1) is provided with controller (15), the equal fixed mounting in both sides of acting on of terminal surface under casing (1) has landing leg (16), the right side fixedly connected with L type pole (17) of casing (1), and the upper end and the outer wall fixed connection of violently managing (6) of L type pole (17), equal fixed mounting has locating lever (18) in both sides around casing (1) left side, movable block (14) have been cup jointed to the outer wall activity of locating lever (18), and the one end of movable block (14) and the outer wall fixed connection of framework (10), sleeve (26) that are located the outside of radiator unit (9) are fixed mounting on the right side of framework (10) inner wall, louvre (4) have been seted up to the outer wall of framework (10).

3. A shock resistant and efficient heat dissipating digital power amplifier as recited in claim 1, wherein: the damping assembly (3) comprises a clamping plate (301), one side of the damping assembly (301) away from the power amplifier body (2) is fixedly provided with a supporting rod (302), the outer side of the supporting rod (302) is fixedly connected with a damping block (303), the inner wall of the damping block (303) is movably sleeved with a round rod (304), the outer wall of the round rod (304) is movably sleeved with a damping spring (305), one end of the damping spring (305) is connected with one side of the damping block (303), one end of the damping spring (305) away from the damping block (303) is connected with a fixed block (306), the outer wall of the fixed block (306) is fixedly connected with one end of the round rod (304), the damping assembly (3) on the left side and the right side is fixedly provided with a limiting rod (20), the upper side and the lower side of the limiting rod (20) are fixedly connected with an annular block (21), the inner wall of the annular block (21) is movably sleeved with a long rod (22), the left end of the long rod (22) is fixedly connected with a rectangular block (23), and the lower end of the rectangular block (23) is fixedly connected with the inner wall of the housing (1).

4. A shock resistant and efficient heat dissipating digital power amplifier as recited in claim 1, wherein: the left end of extension rod (5) is connected with damper (3) on right side through gag lever post (20), the outer wall evenly distributed of extension rod (5) right-hand member has slider (19), and the outer wall of slider (19) cup joints with the inner wall activity of violently managing (6).

5. A shock resistant and efficient heat dissipating digital power amplifier as recited in claim 1, wherein: the movable mechanism (8) comprises a short rod (801) fixedly connected with the inner wall of the extension rod (5), a ball nut (802) is fixedly installed at one end, far away from the extension rod (5), of the short rod (801), a ball screw (803) is sleeved on the inner wall of the ball nut (802) through threads, a driving motor (24) is fixedly installed at the right end of the ball screw (803), a speed reducer is arranged on an output shaft of the driving motor (24), a case (25) is fixedly installed outside the driving motor (24), and the left side of the case (25) is fixedly connected with the right end of the transverse tube (6).

6. A shock resistant and efficient heat dissipating digital power amplifier as recited in claim 1, wherein: the heat dissipation assembly (9) comprises fan blades (901), rotating shafts (902) are uniformly distributed on the outer walls of the fan blades (901), a micro motor (903) is fixedly arranged at the left ends of the fan blades (901), and the outer walls of the micro motor (903) are connected with the inner walls of the sleeves (26) through bolts.

7. A shock resistant and efficient heat dissipating digital power amplifier as recited in claim 1, wherein: the connecting assembly (13) comprises a spring (131) connected with the inside of the T-shaped block (11), a connecting block (132) is installed at one end, far away from the T-shaped block (11), of the spring (131), and the outer wall of the connecting block (132) is movably sleeved with the inner wall of the clamping block (12).