Modularization device of power amplifier

Abstract

The utility model relates to the technical field of power amplifiers, and discloses a power amplifier modularization device which comprises a power amplifier, fixed bases are fixed to the two ends of the bottom of the inner wall of the power amplifier, circuit boards are arranged in the fixed bases, and pressing mechanisms for pressing the circuit boards are arranged at the four corners of the top of each fixed base. The pressing mechanism comprises first mounting blocks fixed to the four corners of the top of the fixed base, rotating rods are fixed to the ends, close to the circuit board, of the first mounting blocks, pressing blocks are rotationally connected to the outer walls of the rotating rods, and non-slip mats are fixed to the bottoms of one sides of the pressing blocks. According to the utility model, the pressing mechanism is arranged, the mounting plate is pressed, the mounting plate can drive the connecting rods on the two sides to rotate, at the moment, an extrusion plate can drive a pressing block to rotate, an anti-skid pad can be close to the top of a circuit board and press the circuit board, and at the moment, a sliding block can slide and move upwards in the inner wall of a sliding groove; and thus, the effect of quickly mounting and dismounting the circuit board is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of power amplifiers, in particular to a modular device of a power amplifier. Background Art

[0002] Power amplifier modularization means breaking down the power amplifier system into multiple independent modules, each of which is responsible for a specific function, such as input signal amplification, power amplification, output shaping, etc. This modular design can make the power amplifier system more flexible, reliable and easy to maintain. At the same time, modular design is also conducive to the expansion and upgrade of the system. Modules can be added or replaced as needed to meet different application requirements.

[0003] However, in traditional power amplifier modular devices, circuit boards are generally fixed inside the power amplifier by screws. When the circuit boards need to be disassembled or maintained, they are generally disassembled by screwdrivers, which greatly slows down the disassembly speed. Disassembly is troublesome, time-consuming and labor-intensive, and increases the labor intensity of the operator. Therefore, it is urgent to solve this problem. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a power amplifier modular device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A power amplifier modular device comprises a power amplifier, wherein two ends of the bottom of the inner wall of the power amplifier are fixed with a fixed base, a circuit board is arranged inside the fixed base, and a clamping mechanism for clamping the circuit board is arranged at four corners of the top of the fixed base;

[0007] The clamping mechanism includes a first mounting block fixed at the four corners of the top of the fixed base, a rotating rod is fixed to the end of the first mounting block close to the circuit board, the outer wall of the rotating rod is rotatably connected to the clamping block, an anti-skid pad is fixed to the bottom of one side of the clamping block, the bottom of the anti-skid pad contacts the top of the circuit board, two third springs are fixed on both sides of the inner wall of the fixed base, an extrusion plate is fixed on the other side of the two third springs, two second mounting blocks are fixed at both ends of the side of the extrusion plate close to the circuit board, a slider is slidably provided on the inner wall of the second mounting block, and the end of the clamping block away from the anti-skid pad is rotatably connected to the outer wall of the slider, and when the extrusion plate moves, the anti-skid pad will approach the top of the circuit board and press it.

[0008] As a further solution of the utility model, a through groove is provided on the top of the extrusion plate, and the through groove is matched with an end of the pressing block away from the anti-slip pad.

[0009] As a further solution of the utility model, two first springs are fixed on both sides of the inner walls of the two fixed bases, and the same mounting plate is fixed on the top of the two first springs. Connecting rods are rotatably connected on both sides of the mounting plates, and the other ends of the connecting rods are rotatably connected to the bottom of one side of the two extrusion plates respectively. Limiting mechanisms are provided on both sides of the bottom of the fixed base to limit the mounting plates.

[0010] As a further scheme of the utility model, the limiting mechanism includes a U-shaped mounting frame fixed to the outer walls on both sides of the mounting plate, heart-shaped limiting blocks are fixed to the outer walls on both sides of the mounting plate, and the heart-shaped limiting blocks are located inside the U-shaped mounting frame, a triangular block is fixed to the top of the inner wall of the U-shaped mounting frame, and first fixed blocks are fixed to both sides of the bottom of the inner wall of the fixed base, one side of the outer wall of the first fixed block is rotatably connected to a U-shaped limiting rod, and the U-shaped limiting rod and the heart-shaped limiting block cooperate with each other, and when the mounting plate moves downward, the U-shaped limiting rod will limit the heart-shaped limiting block, and then limit the mounting plate.

[0011] As a further solution of the utility model, a second fixed block is fixed to an outer wall of one side of the first fixed block, a second spring is fixed to the top of one end of the second fixed block close to the U-shaped limiting rod, and the other end of the second spring is fixedly connected to the outer wall of one end of the U-shaped limiting rod.

[0012] As a further solution of the utility model, a connecting plate is installed on the top of the mounting plate, and an elastic pad is connected to the top of the connecting plate by bonding, and the elastic pad is made of silicone. A circuit board is provided on the top of the elastic pad, and the elastic pad is made of silicone, which can improve the wear resistance and oxidation resistance of the elastic pad.

[0013] As a further solution of the utility model, a control switch is provided at the bottom of an outer wall of one side of the power amplifier, and the control switch is electrically connected to the circuit board.

[0014] The beneficial effects of the utility model are:

[0015] The utility model provides a clamping mechanism, by pressing the mounting plate, the mounting plate will drive the connecting rods on both sides to rotate, and the extrusion plate will drive the clamping block to rotate, and the anti-skid pad will approach the top of the circuit board and clamp it, and the slider will slide up in the inner wall of the slide groove, thereby achieving the effect of quick installation and disassembly of the circuit board.

[0016] The utility model: by setting a limiting mechanism, when the mounting plate is pressed, the mounting plate will drive the heart-shaped limiting block to move, and the U-shaped limiting rod will contact the outer wall of the heart-shaped limiting block, and the U-shaped limiting rod will slide into the top slot of the heart-shaped limiting block, and the second spring will reset the U-shaped limiting rod, and the U-shaped limiting rod will limit the mounting plate, thereby achieving the effect of limiting the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the three-dimensional structure of a modular power amplifier device proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of a first partial structure of a power amplifier modular device proposed by the utility model;

[0019] Figure 3 A second partial structural diagram of a power amplifier modular device proposed by the utility model;

[0020] Figure 4 A power amplifier modular device proposed by the utility model Figure 3 The enlarged structural diagram at A in the middle;

[0021] Figure 5 This is a third partial cross-sectional structural schematic diagram of a power amplifier modular device proposed by the utility model.

[0022] In the figure: 1. power amplifier; 101. control switch; 2. fixed base; 201. mounting plate; 202. first spring; 203. connecting rod; 204. third spring; 205. extrusion plate; 206. through slot; 207. first mounting block; 208. pressing block; 209. anti-skid pad; 210. slider; 211. second mounting block; 212. slide slot; 213. rotating rod; 3. circuit board; 301. elastic pad; 302. connecting plate; 4. U-shaped mounting frame; 401. triangle block; 402. heart-shaped limit block; 403. U-shaped limit rod; 404. first fixed block; 405. second fixed block; 406. second spring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0025] Reference Figure 1-Figure 5 A power amplifier modular device comprises a power amplifier 1, wherein fixed bases 2 are fixed at both ends of the bottom of the inner wall of the power amplifier 1, a circuit board 3 is arranged inside the fixed base 2, and a clamping mechanism for clamping the circuit board 3 is arranged at the four corners of the top of the fixed base 2;

[0026] The clamping mechanism includes a first mounting block 207 fixed at the four corners of the top of the fixed base 2, a rotating rod 213 is fixed at one end of the first mounting block 207 close to the circuit board 3, and a clamping block 208 is rotatably connected to the outer wall of the rotating rod 213, and an anti-skid pad 209 is fixed to the bottom of one side of the clamping block 208, and the bottom of the anti-skid pad 209 contacts the top of the circuit board 3, two third springs 204 are fixed on both sides of the inner wall of the fixed base 2, and an extrusion plate 205 is fixed on the other side of the two third springs 204, and two second mounting blocks 211 are fixed at both ends of the side of the extrusion plate 205 close to the circuit board 3, and a slider 210 is slidably provided on the inner wall of the second mounting block 211, and the end of the clamping block 208 away from the anti-skid pad 209 is rotatably connected to the outer wall of the slider 210, and when the extrusion plate 205 moves, the anti-skid pad 209 will approach the top of the circuit board 3 and press it.

[0027] In this embodiment, a through slot 206 is formed on the top of the extrusion plate 205 , and the through slot 206 is matched with an end of the pressing block 208 away from the anti-slip pad 209 .

[0028] In this embodiment, two first springs 202 are fixed on both sides of the inner walls of the two fixed bases 2, and the same mounting plate 201 is fixed on the top of the two first springs 202. Connecting rods 203 are rotatably connected on both sides of the mounting plate 201. The other ends of the connecting rods 203 are rotatably connected to the bottom of one side of the two extrusion plates 205 respectively. Limiting mechanisms are provided on both sides of the bottom of the fixed base 2 to limit the mounting plate 201.

[0029] In this embodiment, the limiting mechanism includes a U-shaped mounting frame 4 fixed to the outer walls on both sides of the mounting plate 201, heart-shaped limiting blocks 402 are fixed to the outer walls on both sides of the mounting plate 201, and the heart-shaped limiting blocks 402 are located inside the U-shaped mounting frame 4, a triangular block 401 is fixed to the top of the inner wall of the U-shaped mounting frame 4, and first fixed blocks 404 are fixed to both sides of the bottom of the inner wall of the fixed base 2, and one side of the outer wall of the first fixed block 404 is rotatably connected to a U-shaped limiting rod 403, and the U-shaped limiting rod 403 cooperates with the heart-shaped limiting block 402. When the mounting plate 201 moves downward, the U-shaped limiting rod 403 will limit the heart-shaped limiting block 402, and then limit the mounting plate 201.

[0030] In this embodiment, a second fixed block 405 is fixed to an outer wall of one side of the first fixed block 404, a second spring 406 is fixed to the top of one end of the second fixed block 405 close to the U-shaped limiting rod 403, and the other end of the second spring 406 is fixedly connected to the outer wall of one end of the U-shaped limiting rod 403.

[0031] In this embodiment, a connecting plate 302 is installed on the top of the mounting plate 201, and an elastic pad 301 is connected to the top of the connecting plate 302 by bonding. The elastic pad 301 is made of silicone, and a circuit board 3 is provided on the top of the elastic pad 301. The elastic pad 301 is made of silicone material, which can improve the wear resistance and oxidation resistance of the elastic pad 301.

[0032] In this embodiment, a control switch 101 is disposed at the bottom of an outer wall of one side of the power amplifier 1 , and the control switch 101 is electrically connected to the circuit board 3 .

[0033] Working principle: During use, when the circuit board 3 needs to be disassembled, a limiting mechanism is set up and the mounting plate 201 is pressed. At this time, the mounting plate 201 will drive the heart-shaped limiting block 402 to move. At this time, the U-shaped limiting rod 403 will contact the outer wall of the heart-shaped limiting block 402. At this time, the U-shaped limiting rod 403 will slide into the top slot of the heart-shaped limiting block 402. At this time, the second spring 406 will reset the U-shaped limiting rod 403. At this time, the U-shaped limiting rod 403 will limit the mounting plate 201, thereby achieving the effect of limiting the circuit board 3. By providing a clamping mechanism, the circuit board 3 is first placed on the top of the elastic pad 301. At this time, the mounting plate 201 is pressed. At this time, the mounting plate 201 will drive the connecting rods 203 on both sides. Rotate, at this time the connecting rod 203 will squeeze the extrusion plate 205, at this time the extrusion plate 205 will drive the clamping block 208 to rotate, at this time the anti-skid pad 209 will approach the top of the circuit board 3 and clamp it, at this time the clamping block 208 will rotate on the outer wall of the slider 210, and at the same time the slider 210 will slide up in the inner wall of the slide groove 212, thereby achieving the effect of quick installation and disassembly of the circuit board 3, when the U-shaped limit rod 403 releases the limit on the mounting plate 201, at this time the third spring 204 will reset the extrusion plate 205, at this time the clamping block 208 will rotate around the outer wall of the rotating rod 213, at this time the slider 210 will slide to the bottom of the slide groove 212, at this time the circuit board 3 can be directly removed.

[0034] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0035] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0036] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0037] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A power amplifier modular device, comprising a power amplifier (1), characterized in that: A fixed base (2) is fixed at both ends of the bottom of the inner wall of the power amplifier (1), a circuit board (3) is provided inside the fixed base (2), and a clamping mechanism for clamping the circuit board (3) is provided at the four corners of the top of the fixed base (2); The clamping mechanism comprises a first mounting block (207) fixed at the four corners of the top of the fixed base (2); a rotating rod (213) is fixed at one end of the first mounting block (207) close to the circuit board (3); a clamping block (208) is rotatably connected to the outer wall of the rotating rod (213); a non-slip pad (209) is fixed to the bottom of one side of the clamping block (208); the bottom of the non-slip pad (209) contacts the top of the circuit board (3); two third springs (204) are fixed to both sides of the inner wall of the fixed base (2); an extrusion plate (205) is fixed to the other side of the two third springs (204); two second mounting blocks (211) are fixed to both ends of one side of the extrusion plate (205) close to the circuit board (3); a slider (210) is slidably provided on the inner wall of the second mounting block (211); and the end of the clamping block (208) away from the non-slip pad (209) is rotatably connected to the outer wall of the slider (210).

2. The power amplifier modular device according to claim 1, characterized in that: A through slot (206) is provided on the top of the extrusion plate (205), and the through slot (206) is matched with an end of the pressing block (208) away from the anti-slip pad (209).

3. The power amplifier modular device according to claim 1, characterized in that: Two first springs (202) are fixed on both sides of the inner walls of the two fixed bases (2); a same mounting plate (201) is fixed on the tops of the two first springs (202); connecting rods (203) are rotatably connected on both sides of the mounting plate (201); the other ends of the connecting rods (203) are rotatably connected to the bottom of one side of two extrusion plates (205), respectively; and limiting mechanisms for limiting the mounting plate (201) are provided on both sides of the bottom of the fixed base (2).

4. The power amplifier modular device according to claim 3, characterized in that: The limiting mechanism comprises a U-shaped mounting frame (4) fixed to the outer walls on both sides of the mounting plate (201); the outer walls on both sides of the mounting plate (201) are both fixed with heart-shaped limiting blocks (402), and the heart-shaped limiting blocks (402) are located inside the U-shaped mounting frame (4); a triangular block (401) is fixed to the top of the inner wall of the U-shaped mounting frame (4); first fixing blocks (404) are fixed to both sides of the bottom of the inner wall of the fixed base (2); a U-shaped limiting rod (403) is rotatably connected to the outer wall of one side of the first fixing block (404), and the U-shaped limiting rod (403) and the heart-shaped limiting block (402) cooperate with each other.

5. The power amplifier modular device according to claim 4, characterized in that: A second fixing block (405) is fixed to an outer wall of one side of the first fixing block (404), a second spring (406) is fixed to the top of one end of the second fixing block (405) close to the U-shaped limiting rod (403), and the other end of the second spring (406) is fixedly connected to the outer wall of one end of the U-shaped limiting rod (403).

6. The power amplifier modular device according to claim 3, characterized in that: A connecting plate (302) is installed on the top of the mounting plate (201), an elastic pad (301) is connected to the top of the connecting plate (302) by bonding, and the elastic pad (301) is made of silica gel, and a circuit board (3) is provided on the top of the elastic pad (301).

7. The power amplifier modular device according to claim 1, characterized in that: A control switch (101) is provided at the bottom of an outer wall of one side of the power amplifier (1), and the control switch (101) is electrically connected to the circuit board (3).

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