CN111442158A - A shock-resistant power amplifier - Google Patents

Abstract

The invention discloses an anti-seismic power amplifier, comprising a fixed base, an installation frame, a power amplifier installation shell and a buffer assembly. The installation frame is arranged above the fixed base, and the installation frame and the fixed base are connected by a buffer assembly, and the power amplifier is installed The casing is arranged inside the installation frame, the power amplifier is installed in the power amplifier installation casing, the support plates are welded vertically on both sides of the power amplifier casing, the first shock-absorbing column is fixed between the upper surface of the support plate and the inner wall of the top of the installation frame, and the lower end surface of the support plate is connected to the inner wall of the top of the installation frame. The second shock-absorbing column is fixed between the bottom walls of the mounting frame. The invention has novel structure design, excellent shock absorption and buffering performance, and good shock resistance effect, effectively protecting the power amplifier and ensuring the normal operation of the power amplifier.

Description

A shock-resistant power amplifier

technical field

The invention relates to the technical field of power amplifiers, in particular to an anti-vibration type power amplifier.

Background technique

Power amplifier (English name: power amplifier), referred to as "power amplifier", refers to an amplifier that can generate the maximum power output to drive a certain load (such as a speaker) under the condition of a given distortion rate. The power amplifier plays a pivotal role of "organization and coordination" in the whole sound system, and to some extent dominates whether the whole system can provide good sound quality output.

Once the power amplifier is impacted during use, it is easy to cause damage. Therefore, it is necessary to improve the existing power amplifier.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an anti-vibration power amplifier to solve the above-mentioned problems in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: an anti-seismic power amplifier, comprising a fixed base, an installation frame, a power amplifier installation shell and a buffer assembly, the installation frame is arranged above the fixed base, and the installation frame is The fixed bases are connected by a buffer assembly, the power amplifier installation shell is arranged inside the installation frame, the power amplifier is installed in the power amplifier installation shell, the two sides of the power amplifier shell are vertically welded with support plates, and the support plates A first shock-absorbing column is fixed between the end surface and the inner wall of the top of the installation frame, and a second shock-absorbing column is fixed between the lower end surface of the support plate and the bottom wall of the installation frame.

Preferably, the buffer assembly includes an upper fixing plate, a lower fixing plate, a guide rod and a compression spring, the upper fixing plate is fixed on the lower end face of the mounting frame, the lower fixing plate is fixed on the upper end face of the fixing base, and the guide rod It is fixed between the upper fixing plate and the lower fixing plate, and three guide rods are provided, the compression spring is sleeved outside the guide rod, and the compression spring adopts a high-strength helical spring body.

Preferably, a plurality of sets of damping springs are arranged between the upper and lower end surfaces of the power amplifier mounting shell and the inner wall of the mounting frame, the damping springs include a cylindrical spring body, and the spring body includes an outer coil spring body and a The inner coil spring body in the outer coil spring body; the helical density of the outer coil spring body and the inner coil spring body are consistent.

Preferably, a buffer plate is fixedly installed on the outer wall of the installation frame, and the buffer plate includes a first asbestos plate, a second asbestos plate, a foam pad and a rubber pad, and the first asbestos plate and the second asbestos plate are fixedly installed between them. Foam pads and rubber pads, the thickness of the buffer plate is 5mm-8mm.

Preferably, its using method comprises the following steps:

A. First fix the power amplifier in the power amplifier mounting shell, and then connect the power amplifier mounting shell with the mounting frame;

B. Finally, connect the installation frame to the fixed base through the buffer assembly;

C. During use, when it is subjected to vibration, the buffer components are first buffered to reduce the force of the installation frame. At the same time, the shock-absorbing spring vibrates up and down, which drives the shock-absorbing column to vibrate, thereby improving the buffering performance of the power amplifier.

Compared with the prior art, the beneficial effects of the present invention are:

(1) The present invention has novel structure design, excellent shock absorption and buffer performance, good shock resistance, effectively protects the power amplifier, and ensures the normal operation of the power amplifier.

(2) The buffer assembly adopted in the present invention has good buffer performance, is not easily deformed, and improves the overall impact resistance of the installation frame.

(3) The damping spring used in the present invention can ensure that the compression spring is not prone to dislocation during the deformation process, and ensures uniform deformation and stable working performance.

(4) The buffer plate adopted in the present invention is not easily deformed, and has superior compression resistance, which further improves the impact resistance of the mounting frame.

Description of drawings

Fig. 1 is the structural representation of the present invention;

2 is a schematic structural diagram of a buffer assembly of the present invention;

Fig. 3 is the structural schematic diagram of the damping spring of the present invention;

4 is a cross-sectional view of the buffer plate of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end" and "the other end" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, with a specific orientation. The orientation configuration and operation are therefore not to be construed as limitations of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense, for example, "connected" may be a fixed connection It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

1-4, the present invention provides a technical solution: an anti-vibration power amplifier, comprising a fixed base 1, an installation frame 2, a power amplifier installation shell 3 and a buffer assembly 4, and the installation frame 2 is arranged on the fixed base 1 above, and the mounting frame 2 and the fixed base 1 are connected through a buffer assembly 4, the power amplifier mounting shell 3 is arranged inside the mounting frame 2, and the power amplifier mounting shell 3 is installed with a power amplifier 5, so The two sides of the power amplifier housing 3 are vertically welded to the support plate 6, the first shock-absorbing column 7 is fixed between the upper end surface of the support plate 6 and the top inner wall of the installation frame 2, and the lower end surface of the support plate 6 and the bottom wall of the installation frame 2 are fixed. The second shock-absorbing column 8 is fixed between them.

In the present invention, the buffer assembly 4 includes an upper fixing plate 9, a lower fixing plate 10, a guide rod 11 and a compression spring 12, the upper fixing plate 9 is fixed on the lower end surface of the mounting frame 2, and the lower fixing plate 10 is fixed on the fixing base 1. On the upper end surface, the guide rod 11 is fixed between the upper fixed plate 9 and the lower fixed plate 10, and three guide rods 11 are provided, and the compression spring 12 is sleeved outside the guide rod 11. The compression spring 12 Adopt high-strength helical spring body. The buffer assembly adopted in the invention has good buffer performance, is not easily deformed, and improves the overall impact resistance of the installation frame.

In the present invention, a plurality of sets of damping springs 13 are arranged between the upper and lower end surfaces of the power amplifier mounting shell 3 and the inner wall of the mounting frame 2 , the damping springs 13 include a cylindrical spring body 14 , and the spring body 14 includes an outer coil spring The outer coil spring body 15 and the inner coil spring body 16 disposed in the outer coil spring body 15 ; the outer coil spring body 15 and the inner coil spring body 16 have the same helical density. The damping spring adopted in the present invention can ensure that the compression spring is not prone to dislocation during the deformation process, ensures uniform deformation and stable working performance.

In addition, in the present invention, a buffer plate 17 is fixedly installed on the outer wall of the mounting frame 2, and the buffer plate 17 includes a first asbestos plate 18, a second asbestos plate 19, a foam pad 20 and a rubber pad 21. The first asbestos plate 18 . The foam pad 20 and the rubber pad 21 are fixedly installed between the second asbestos plates 19, and the thickness of the buffer plate 17 is 5mm-8mm. The buffer plate adopted in the present invention is not easily deformed and has superior compression resistance, which further improves the impact resistance of the mounting frame.

Working principle: the use method of the present invention comprises the following steps:

A. First fix the power amplifier in the power amplifier mounting shell, and then connect the power amplifier mounting shell with the mounting frame;

B. Finally, connect the installation frame to the fixed base through the buffer assembly;

C. During use, when it is subjected to vibration, the buffer components are first buffered to reduce the force of the installation frame. At the same time, the shock-absorbing spring vibrates up and down, which drives the shock-absorbing column to vibrate, thereby improving the buffering performance of the power amplifier.

To sum up, the present invention has novel structure design, excellent shock absorption and buffer performance, good shock resistance effect, effectively protects the power amplifier, and ensures the normal operation of the power amplifier.

The parts that are not described in detail in the present invention are known techniques of those skilled in the art.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the appended claims. All changes within the meaning and scope of the equivalents of , are included in the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

Claims (5)

1. An anti-vibration power amplifier, comprising a fixed base (1), a mounting frame (2), a power amplifier mounting shell (3) and a buffer assembly (4), wherein the mounting frame (2) is arranged on a fixed Above the base (1), the mounting frame (2) and the fixed base (1) are connected through a buffer assembly (4), the power amplifier mounting shell (3) is arranged inside the mounting frame (2), the A power amplifier (5) is installed in the power amplifier installation casing (3), a support plate (6) is vertically welded on both sides of the power amplifier casing (3), and the upper end surface of the support plate (6) is connected to the top of the installation frame (2). A first shock-absorbing column (7) is fixed between the inner walls, and a second shock-absorbing column (8) is fixed between the lower end surface of the support plate (6) and the bottom wall of the mounting frame (2). 2. An anti-vibration power amplifier according to claim 1, characterized in that: the buffer assembly (4) comprises an upper fixing plate (9), a lower fixing plate (10), a guide rod (11) and a compression spring (12), the upper fixing plate (9) is fixed on the lower end surface of the mounting frame (2), the lower fixing plate (10) is fixed on the upper end surface of the fixing base (1), and the guide rod (11) is fixed on the upper end surface Between the fixing plate (9) and the lower fixing plate (10), and three guide rods (11) are provided, the compression spring (12) is sleeved outside the guide rod (11), and the compression spring (12) ) uses a high-strength helical spring body. 3. An anti-vibration power amplifier according to claim 1, characterized in that: multiple groups of shock-absorbing springs ( 13), the damping spring (13) includes a cylindrical spring body (14), the spring body (14) includes an outer coil spring body (15) and an inner coil disposed in the outer coil spring body (15) A spring body (16); the helical density of the outer coil spring body (15) and the inner coil spring body (16) are consistent. 4. An anti-vibration power amplifier according to claim 1, characterized in that: a buffer plate (17) is fixedly installed on the outer wall of the mounting frame (2), and the buffer plate (17) comprises a first asbestos plate (18) ), the second asbestos plate (19), the foam pad (20) and the rubber pad (21), the foam pad (20) is fixedly installed between the first asbestos plate (18) and the second asbestos plate (19). and a rubber pad (21), the thickness of the buffer plate (17) is 5mm-8mm. 5. the using method of realizing a kind of anti-vibration type power amplifier of claim 1 is characterized in that: its using method comprises the following steps: A. First fix the power amplifier in the power amplifier mounting shell, and then connect the power amplifier mounting shell with the mounting frame; B. Finally, connect the installation frame to the fixed base through the buffer assembly; C. During use, when it is subjected to vibration, the buffer components are first buffered to reduce the force of the installation frame. At the same time, the shock-absorbing spring vibrates up and down, which drives the shock-absorbing column to vibrate, thereby improving the buffering performance of the power amplifier.

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