Modular power amplifier assembly for a soundbar system

Abstract

The utility model discloses a modularization power amplifier assembly structure for sound box system, including by the external casing, and the control board of setting in the power amplifier main part of external casing constitution, the tail of external casing is equipped with the terminal, and the one side of terminal is connected with the terminal fixed post, and the tail of bottom frame is equipped with the terminal through -hole, and the terminal through -hole vicinity is equipped with the terminal fixed hole corresponding with terminal fixed post, and the terminal fixed hole is fixed with terminal fixed post through terminal fixing piece, and the one side of control board is equipped with female seat and power, and the one side of bottom frame is opened in female seat corresponding department and is equipped with power fixed hole, and the edge of female seat is fixed in bottom frame through female seat fixing piece of power fixed hole, and the opposite side of control board in the terminal one side is equipped with the plug, and the one side of external casing is encapsulated through the front stage panel, and is equipped with each knob on the front stage panel, and the tail of each knob is equipped with the jack corresponding with plug. The utility model solves the problem of the insufficient strength and the complex process caused by the punching fixing of PCB and shell in the prior art.

Description

Technical Field

[0001] This utility model relates to the field of audio power amplifiers, and in particular to a modular power amplifier assembly structure for speaker systems. Background Technology

[0002] An audio amplifier, also known as an audio power amplifier, is a device used to amplify audio signals and drive speakers to produce sound. It is widely used in sound-producing electronic products such as home theaters, smart speakers, and car audio systems.

[0003] Existing audio amplifiers, in terms of their structure, consist of an outer shell, buttons, an internal PCB, and a power supply. The internal PCB is fixed to the outer shell with screws after being drilled. This fixing method requires corresponding holes to be made in both the PCB and the amplifier's outer shell, which not only weakens the strength and sealing of the PCB and the outer shell, but also makes the overall manufacturing process complex and uncontrollable due to the multiple corresponding holes.

[0004] In view of this, this technical solution proposes a modular power amplifier assembly structure for speaker systems. Instead of drilling holes in the main parts of the PCB and power amplifier housing, terminals, power sockets, and knobs connected to the side of the PCB are used to fix the amplifier to the outside of the housing. Since the terminals, power sockets, and knobs are all fixed to the PCB and have high strength, they can be used to fix external components, eliminating excessive drilling steps and reducing processing difficulty and cost. Utility Model Content

[0005] The present invention aims to at least partially solve one of the technical problems in the related art. Therefore, the main objective of this invention is to provide a modular power amplifier assembly structure for a speaker system, aiming to solve the problems of insufficient strength and complex manufacturing processes caused by the need for drilling and fixing PCBs and housings in existing audio power amplifiers.

[0006] To achieve the above objectives, this utility model provides a modular power amplifier assembly structure for a speaker system, comprising a power amplifier body consisting of an outer housing and a control board disposed within the outer housing. The outer housing includes a bottom frame and a top cover that fastens to the top of the bottom frame. The control board is located at the bottom of the base frame. A terminal is provided at the rear of the control board, and a terminal fixing post is connected to one side of each terminal. The rear of the base frame has a terminal through-hole corresponding to the terminal, and a terminal fixing hole corresponding to the terminal fixing post is located near the terminal through-hole. The terminal fixing hole and the terminal fixing post are fixed together by a terminal fixing component. One side of the control board is connected to a power supply with a female connector. The bottom frame has a power supply fixing hole on one side of the female connector. The power supply fixing hole fixes the edge of the female connector to the bottom frame through the female connector fixing component. The control board has plugs on the opposite side of the terminals. One side opening of the outer housing is encapsulated by the front panel. The front panel has knobs, and the tail of each knob has a socket corresponding to the plug.

[0007] As a further improvement of this utility model, the inner wall of the knob is provided with a washer that fits tightly against the outside of the plug.

[0008] As a further embodiment of this utility model, the front panel has panel fixing holes at both ends for fixing to the sides of the bottom frame.

[0009] As a further embodiment of this utility model, the outer housing also includes an isolation plate disposed outside the power supply and the female connector, with the upper and lower ends of the isolation plate contacting the bottom of the top cover and the bottom of the bottom frame, respectively.

[0010] As a further embodiment of this utility model, the root of the plug is provided with a thread that engages with the inside of the knob for rotational tightening.

[0011] As a further embodiment of this utility model, the number of power supply fixing holes and terminal fixing holes is at least two.

[0012] The beneficial effects of this utility model are as follows: This technical solution brings significant benefits by optimizing the assembly structure of the power amplifier body. It changes the traditional approach of requiring numerous holes to be drilled in key areas of the control board and external housing, instead utilizing the inherent high-strength components on the control board to achieve connection and fixation with the housing.

[0013] Specifically, the terminals at the rear of the control board are secured by terminal fixing posts on its side and terminal fixing holes on the bottom frame; the power connector on one side of the control board is locked to the power connector fixing hole on the bottom frame via a connector fixing piece; simultaneously, the plug on the other side of the control board is directly inserted into the socket at the rear of the front panel to complete the connection. This design allows the entire control board to be securely installed in the housing without drilling, greatly preserving the structural integrity and strength of the control board and housing, and improving the overall sealing performance. The assembly process is therefore very simple; simply push the control board, which integrates terminals, power supply, and plug, into the housing from one side, and then install the front panel to quickly complete the main assembly. This effectively simplifies the manufacturing process, reduces processing difficulty and cost, and improves production efficiency and product reliability. Attached Figure Description

[0014] To more clearly illustrate the technical solutions of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the technical solutions of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the overall structure of the power amplifier body in this utility model.

[0016] Figure 2 This is a schematic diagram of the assembly of the outer shell and the front panel in this utility model.

[0017] Figure 3 This is a structural disassembly diagram of the present utility model.

[0018] Figure 4 This is an enlarged schematic diagram of the terminal fixing hole located near the terminal through hole in this utility model.

[0019] Figure 5 This is a schematic diagram of the terminal and the terminal fixing post connected to one side in this utility model.

[0020] Figure 6 This is a schematic diagram of the plug and the root thread in this utility model.

[0021] Figure 7 This is a schematic diagram of the knob and its internal socket and washer in this utility model.

[0022] Figure 8 This is a schematic diagram of the terminal fixing component and the female seat fixing component after assembly in this utility model.

[0023] 1 power amplifier main body 121 Power supply mounting hole 10 outer casing 122 isolation plate 100 Top cover 123 Female seat fastener 101 bottom frame 13 control board 11 Front panel 130 plug 110 knob 1300 Thread 1100 washer 140 terminal 1101 Socket 1400 Terminal fixing post 111 Panel mounting holes 1401 Terminal through hole 12 power supply 1402 Terminal fixing hole 120 Mother 1403 Terminal fastener Detailed Implementation

[0024] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0025] The term "one embodiment" or "implementation" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of this utility model. In the description of this utility model, it should be understood that the terms "upper," "lower," "left," "right," "top," "bottom," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first" and "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," etc., are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this utility model described herein can be implemented in orders other than those illustrated or described herein.

[0026] Please see the appendix Figure 1-8 , The modular power amplifier assembly structure for speaker systems in this technical solution mainly includes a power amplifier body (1) consisting of an outer housing (10) and a control board (13) disposed inside the outer housing (10). The outer housing (10) consists of a bottom frame (101) and a top cover (100) fastened to the top of the bottom frame (101). The control board (13) is located at the bottom of the base frame (101), and a terminal (140) is provided at its tail. A terminal fixing post (1400) is connected to one side of the terminal (140), and a terminal through hole (1401) corresponding to the terminal (140) is provided at the tail of the base frame (101). A terminal fixing hole (1402) corresponding to the terminal fixing post (1400) is opened near the terminal through hole (1401). The terminal fixing hole (1402) and the terminal fixing post (1400) are fixed together by the terminal fixing member (1403), thereby stably fixing the tail of the control board (13) on the base frame (101). A power supply (12) with a female connector (120) is connected to one side of the control board (13). The bottom frame (101) has a power supply fixing hole (121) on the corresponding side of the female connector (120). The edge of the female connector (120) is fixed to the bottom frame (101) by the female connector fixing part (123) to ensure that the power supply (12) is firmly installed. The control board (13) has plugs (130) on the opposite side of the terminal (140). The opening on one side of the outer housing (10) is encapsulated by the front panel (11). The front panel (11) has knobs (110). The tail of each knob (110) has a socket (1101) corresponding to the plug (130). When assembled, the plug (130) is directly inserted into these sockets (1101) to realize the connection between the control board (13) and the front panel (11).

[0027] With the improvement of this technical solution, the power amplifier assembly process becomes simple and efficient. It is no longer necessary to drill a lot of holes in the main parts of the control board (13) and the outer housing (10) for fixing. Instead, it is fixed to the outside of the housing by components such as terminals (140), power supply (12) socket (120) and knobs (110) that are directly connected to the control board (13).

[0028] Specifically, the terminal (140) is fixed to the base frame (101) via the terminal fixing post (1400) and the terminal fixing hole (1402), the power supply (12) female connector (120) is fixed to the base frame (101) via the female connector fixing piece (123) and the power supply fixing hole (121), and the plug (130) on the other side of the control board (13) is inserted into the socket (1101) of the knob (110) on the front panel (11), forming a multi-point fixation, thereby avoiding the control board from being fixed in place. Drilling holes in the control board (13) and housing effectively maintains the overall structural strength and sealing of the control board (13) and housing. During assembly, the entire control board (13) is pushed in from one side opening of the outer housing (10), and then the front panel (11) and each knob (110) are installed. The plug (130) is then naturally inserted into the socket (1101) to complete the main fixation. This reduces the number of processing steps and precision requirements, lowers production costs, and improves assembly efficiency and product reliability.

[0029] Reference Appendix Figure 7 As a preferred embodiment of this utility model, the inner wall of the knob (110) in this solution is also provided with a washer (1100). When the plug hole (1101) at the tail of the knob (110) is connected to the plug (130), the washer (1100) will fit tightly against the outer surface of the plug (130). The elastic deformation of the washer (1100) fills the gap between the plug (130) and the inner wall of the knob (110). Its advantage is that it can effectively prevent dust or moisture from entering from the interface, improve the sealing of the connection, and also prevent the knob (110) from loosening from the plug (130) under vibration by increasing the friction, thereby enhancing the stability and reliability of the connection.

[0030] Of course, achieving a similar sealing and anti-loosening effect is not limited to using washers (1100). For example, a snap-fit ​​structure can be designed at the mating part of the plug (130) and the socket (1101), or a threaded sleeve with a self-locking function can be used to achieve the same purpose.

[0031] Reference Appendix Figure 3 As a preferred embodiment of this utility model, panel fixing holes (111) are also provided at both ends of the front panel (11). Through these holes and using fasteners such as screws, the left and right sides of the front panel (11) can be directly fixed to the bottom frame (101) of the outer housing (10), which increases the connection points between the front panel (11) and the main housing, so that after it is connected to the plug (130) of the control board (13), it can be further firmly connected to the bottom frame (101), effectively preventing the panel from shifting or loosening due to external force or vibration.

[0032] Reference Appendix Figure 3As a preferred embodiment of the present invention, an isolation plate (122) is provided inside the outer housing (10). The isolation plate (122) is located outside the power supply (12) and the female seat (120), and its upper and lower ends are in contact with the bottom of the top cover (100) and the bottom frame (101), respectively.

[0033] Its beneficial effect is that it can isolate the heat generated by the power supply (12) when it is working from the core circuit on the control board (13), reduce the direct impact of the heat source on the sensitive components, and help improve the heat dissipation efficiency and working stability of the power amplifier.

[0034] Reference Appendix Figure 6 , 7 As a preferred embodiment of this utility model, the plug (130) of this solution is provided with a thread (1300) at its root. The thread (1300) can cooperate with the internal structure of the knob (110) on the front panel (11). The two can be tightly connected by rotating the knob (110). The thread (1300) has good mechanical locking characteristics, which can effectively prevent the knob (110) from accidentally coming off the plug (130) during long-term use or vibration, thereby ensuring the continuous stability of the signal connection.

[0035] Reference Appendix Figure 3 , 4 5. As a preferred embodiment of this utility model, the number of power supply fixing holes (121) and terminal fixing holes (1402) in this technical solution is at least two, to prevent the connector from warping or loosening due to single-point force.

[0036] Understandably, in addition to using fixing holes, a larger, irregularly shaped fixing base can be used to distribute stress, or a snap-fit ​​structure with stronger clamping force can be used to replace some of the screw fixing.

[0037] The following points need to be explained: (1) The accompanying drawings of the embodiments of this disclosure only involve the structures involved in the embodiments of this disclosure. Other structures can be referred to the general design.

[0038] (2) Where there is no conflict, features of the same embodiment and different embodiments of this disclosure can be combined with each other.

[0039] The above are merely specific embodiments of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. A modular power amplifier assembly structure for a speaker system, characterized in that, include The power amplifier body consists of an outer casing and a control board disposed within the outer casing. The outer housing includes a bottom frame and a top cover that fastens to the top of the bottom frame. The control board is located at the bottom of the base frame. A terminal is provided at the rear of the control board, and a terminal fixing post is connected to one side of each terminal. The rear of the base frame has a terminal through-hole corresponding to the terminal, and a terminal fixing hole corresponding to the terminal fixing post is located near the terminal through-hole. The terminal fixing hole and the terminal fixing post are fixed together by a terminal fixing component. One side of the control board is connected to a power supply with a female connector. The bottom frame has a power supply fixing hole on one side of the female connector. The power supply fixing hole fixes the edge of the female connector to the bottom frame through the female connector fixing component. The control board has plugs on the opposite side of the terminals. One side opening of the outer housing is encapsulated by the front panel. The front panel has knobs, and the tail of each knob has a socket corresponding to the plug.

2. The modular power amplifier assembly structure for a speaker system according to claim 1, characterized in that, The inner wall of the knob is provided with a washer that fits tightly against the outside of the plug.

3. The modular power amplifier assembly structure for a speaker system according to claim 1, characterized in that, The front panel has panel fixing holes at both ends for fixing to the sides of the bottom frame.

4. The modular power amplifier assembly structure for a speaker system according to claim 1, characterized in that, The outer housing also includes an isolation plate disposed outside the power supply and the female connector, with the upper and lower ends of the isolation plate contacting the bottom of the top cover and the bottom of the bottom frame, respectively.

5. The modular power amplifier assembly structure for a speaker system according to claim 1, characterized in that, The base of the plug is provided with a thread that engages with the inside of the knob for rotational tightening.

6. The modular power amplifier assembly structure for a speaker system according to claim 1, characterized in that, The number of power supply fixing holes and terminal fixing holes shall be at least two.

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