Audio matrix power amplifier terminal
By designing a sliding connection assembly plate and cover plate structure, the problem of inconvenient disassembly and cleaning of the dustproof screen of the traditional audio matrix power amplifier terminal is solved, realizing the quick disassembly and cleaning of the dustproof screen, simplifying the maintenance process, and extending the service life of the equipment.
Patent Information
- Application Number
- CN202423143389.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-12-19
AI Technical Summary
The dust filter design of traditional audio matrix power amplifier terminals is not easy to disassemble and clean, which makes maintenance difficult and affects equipment performance and lifespan.
An audio matrix power amplifier terminal was designed. The assembly plate and cover plate structure with sliding connection facilitate the quick disassembly and installation of the dust filter. Combined with the disassembly and cleaning of the fan and dust filter, it facilitates the maintenance of internal components and the cleaning of dust.
It enables quick disassembly and cleaning of the dustproof net, simplifies the maintenance process, ensures the normal operation of the equipment, and extends its service life.
Smart Images

Figure CN223553426U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of power amplifier terminal technology, and in particular to an audio matrix power amplifier terminal. Background Technology
[0002] Audio matrix amplifiers, as core devices in modern audio systems, play a crucial role in amplifying and distributing audio signals to multiple speakers. They are commonly used in large conference centers, concert halls, theaters, stadiums, and various performance venues. Through their powerful signal amplification and distribution capabilities, they ensure clear and even sound coverage throughout the venue, providing listeners with an exceptional listening experience. An audio matrix amplifier integrates multiple functions, including audio signal input, amplification, matrix processing, and output. It receives signals from mixing consoles or other audio sources, amplifies them through internal circuitry, and then distributes the signals to multiple speaker channels according to a preset matrix configuration.
[0003] During the operation of a power amplifier, heat dissipation is always a key factor affecting its performance and lifespan. To effectively dissipate the heat generated inside, power amplifiers typically have ventilation holes on both sides to promote airflow. To prevent dust and other impurities from entering the chassis through the ventilation holes and damaging the circuitry and components, designers also install dust filters inside the chassis. However, these filters are constantly exposed and inevitably accumulate a lot of dust. Traditional dust filter designs are often inconvenient to disassemble and clean, causing significant inconvenience for maintenance. Utility Model Content
[0004] The purpose of this invention is to at least solve one of the aforementioned technical defects.
[0005] Therefore, one objective of this utility model is to propose an audio matrix power amplifier terminal to solve the problems mentioned in the background art and overcome the shortcomings of the existing technology.
[0006] To achieve the above objectives, one embodiment of this utility model provides an audio matrix amplifier terminal, including an amplifier housing. A control panel and a wiring board are embedded in the front and rear sides of the amplifier housing, respectively. Two symmetrically arranged assembly plates are slidably connected to the left and right sides of the amplifier housing. The assembly plates are fixedly connected to the amplifier housing by bolts. A cover plate is fixedly connected to the top surface of several assembly plates. A threaded hole is formed on the top surface of the cover plate, and a threaded sleeve is threadedly connected to the inner wall of the threaded hole. A fan is fixedly installed on the inner wall of the threaded sleeve by bolts. The left and right sides of the amplifier housing are... The device includes mounting slots, with a frame slidably connected to the inner wall of each mounting slot. A first dustproof net is fixedly connected to the inner wall of each frame. The fan is located between two first dustproof nets. Two symmetrically arranged pressure plates are fixedly connected to the bottom surface of the cover plate. The bottom surfaces of the two pressure plates are respectively abutted against the top surfaces of the two frames. Side plates are fixedly connected to the sides of the pressure plates. The side plates are slidably connected to the amplifier housing through the mounting slots. The inner side of the side plates is abutted against the outer side of the frames. Several linearly arrayed heat dissipation slots are opened through one side of the side plates, and each heat dissipation slot corresponds to a first dustproof net.
[0007] Preferably, in any of the above embodiments, the top surface of the frame has two symmetrically arranged through holes, and the bottom surface of the pressure plate is fixedly connected to two symmetrically arranged plug rods. The two plug rods are slidably connected to the frame through the two through holes, and the length of the plug rods is equal to the height of the frame.
[0008] Preferably, in any of the above embodiments, a retaining plate is fixedly connected to the bottom surface of the side plate, and a retaining groove is provided on the inner wall of the mounting groove. The retaining plate is slidably connected to the power amplifier housing through the retaining groove.
[0009] Preferably, in any of the above solutions, the front and rear sides of the frame are fixedly connected with sliding brackets, and the inner wall of the mounting groove has two symmetrically arranged sliding grooves, through which the two sliding brackets are slidably connected to the power amplifier housing.
[0010] Preferably, in any of the above solutions, two symmetrically arranged assembly slots are provided on both the left and right sides of the power amplifier housing, and several assembly plates are slidably connected to the power amplifier housing through several assembly slots.
[0011] Preferably, in any of the above embodiments, a positioning pin is fixedly connected to the bottom surface of the cover plate, and a positioning hole is provided on the inner wall of the power amplifier housing, and the positioning pin is slidably connected to the power amplifier housing through the positioning hole.
[0012] Preferably, in any of the above solutions, a second dustproof net is fixedly connected to the inner wall of the threaded sleeve, and the second dustproof net corresponds vertically to the fan.
[0013] Compared with the prior art, the advantages and beneficial effects of this utility model are as follows:
[0014] 1. When it is necessary to clean the dust on the dust filter, remove the bolts locking the assembly board to release the lock. At this time, pull the cover plate upward to move the assembly board out of the assembly slot, which can realize the quick removal of the cover plate, so as to facilitate the inspection and maintenance of the electronic components inside the power amplifier housing. After removing the cover plate, the side plate can be moved out of the mounting slot, which can release the lock on the first dust filter. The first dust filter can be quickly removed from the mounting slot to facilitate the cleaning of the dust on the first dust filter.
[0015] 2. Twist the threaded sleeve to move it out of the threaded hole. The threaded sleeve can be disassembled, which not only facilitates the maintenance of the fan, but also makes it easy to clean the dust on the second dust screen. After the first dust screen is cleaned, insert it into the mounting slot. Then use bolts to lock the cover plate on the amplifier housing. At this time, the bottom surface of the pressure plate is in contact with the top surface of the frame, which can realize the quick installation of the first dust screen without affecting the subsequent use of the amplifier. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of the assembly of this utility model;
[0017] Figure 2 This is an exploded structural diagram of the assembly of this utility model;
[0018] Figure 3 This is a schematic diagram of the structure of the power amplifier housing of this utility model;
[0019] Figure 4 This is a schematic diagram of the structure of the first dustproof net of this utility model;
[0020] Figure 5 This is a schematic diagram of the structure of the cover plate of this utility model;
[0021] Figure 6 This is a schematic diagram of the structure of the threaded sleeve of this utility model;
[0022] Figure 7 This is a schematic diagram of the structure at point A of this utility model.
[0023] In the diagram: 1-Amplifier housing, 2-Control panel, 3-Connector board, 4-Assembly board, 5-Cover plate, 6-Threaded hole, 7-Threaded sleeve, 8-Fan, 9-Mounting slot, 10-Frame, 11-First dustproof mesh, 12-Pressure plate, 13-Side plate, 14-Heat sink, 15-Through hole, 16-Plug rod, 17-Card plate, 18-Card slot, 19-Slide, 20-Slide groove, 21-Assembly slot, 22-Positioning pin, 23-Positioning hole, 24-Second dustproof mesh. Detailed Implementation
[0024] The present invention will be further described below with reference to the accompanying drawings, but the scope of protection of the present invention is not limited thereto.
[0025] like Figures 1 to 7 As shown, an audio matrix amplifier terminal includes an amplifier housing 1. A control panel 2 and a junction box 3 are embedded in the front and rear sides of the amplifier housing 1, respectively. Two symmetrically arranged assembly plates 4 are slidably connected to the left and right sides of the amplifier housing 1. The assembly plates 4 are fixedly connected to the amplifier housing 1 by bolts. A cover plate 5 is fixedly connected to the top surface of several assembly plates 4. A threaded hole 6 is formed on the top surface of the cover plate 5. A threaded sleeve 7 is threadedly connected to the inner wall of the threaded hole 6. A fan 8 is fixedly installed on the inner wall of the threaded sleeve 7 by bolts. Mounting grooves 9 are formed on the left and right sides of the amplifier housing 1. The inner wall of each mounting groove 9 slides... A frame 10 is connected, and a first dustproof net 11 is fixedly connected to the inner wall of the frame 10. The fan 8 is located between the two first dustproof nets 11. Two symmetrically arranged pressure plates 12 are fixedly connected to the bottom surface of the cover plate 5. The bottom surfaces of the two pressure plates 12 are respectively attached to the top surfaces of the two frames 10. Side plates 13 are fixedly connected to the sides of the pressure plates 12. The side plates 13 are slidably connected to the power amplifier housing 1 through the mounting groove 9. The inner side of the side plate 13 is attached to the outer side of the frame 10. Several linear array heat dissipation slots 14 are opened through one side of the side plate 13. The several heat dissipation slots 14 are all corresponding to the first dustproof nets 11.
[0026] As an optional technical solution of this utility model, the top surface of the frame 10 has two symmetrically arranged through holes 15, and the bottom surface of the pressure plate 12 is fixedly connected to two symmetrically arranged plug rods 16. The two plug rods 16 are slidably connected to the frame 10 through the two through holes 15. The length of the plug rods 16 is equal to the height of the frame 10. The bottom surface of the pressure plate 12 is in contact with the top surface of the frame 10, which can realize the quick installation of the first dustproof net 11. At this time, the plug rods 16 will be inserted into the through holes 5, which can make the connection between the frame 10 and the power amplifier housing 1 more stable.
[0027] As an optional technical solution of this utility model, a card plate 17 is fixedly connected to the bottom surface of the side plate 13, and a card groove 18 is opened on the inner wall of the mounting groove 9. The card plate 17 is slidably connected to the power amplifier housing 1 through the card groove 18.
[0028] As an optional technical solution of this utility model, the front and rear sides of the frame 10 are fixedly connected with slides 19, and the inner wall of the mounting groove 9 is provided with two symmetrically arranged slide grooves 20. The two slides 19 are slidably connected to the power amplifier housing 1 through the two slide grooves 20.
[0029] As an optional technical solution of this utility model, two symmetrically arranged assembly slots 21 are provided on both the left and right sides of the power amplifier housing 1. Several assembly plates 4 are slidably connected to the power amplifier housing 1 through several assembly slots 21. The bolts locking the assembly plates 4 are removed to release the locking of the assembly plates 4. At this time, the cover plate 5 is pulled upward to drive the assembly plates 4 out of the assembly slots 21, which can realize the quick disassembly of the cover plate 5.
[0030] As an optional technical solution of this utility model, the bottom surface of the cover plate 5 is fixedly connected with a positioning pin 22, and the inner wall of the power amplifier housing 1 is provided with a positioning hole 23. The positioning pin 22 is slidably connected to the power amplifier housing 1 through the positioning hole 23, and the cover plate 5 is engaged with the power amplifier housing 1 through the positioning pin 2, which improves the stability of the connection between the cover plate 5 and the power amplifier housing 1.
[0031] As an optional technical solution of this utility model, a second dustproof net 24 is fixedly connected to the inner wall of the threaded sleeve 7. The second dustproof net 24 corresponds to the fan 8 vertically. The second dustproof net 24 can filter the air entering the equipment and prevent external dust from entering the power amplifier.
[0032] An audio matrix power amplifier terminal works as follows:
[0033] 1): When it is necessary to clean the dust on the dust screen, remove the bolts locking the assembly plate 4 to release the lock on the assembly plate 4. At this time, pull the cover plate 5 upward to move the assembly plate 4 out of the assembly groove 21, which can realize the quick disassembly of the cover plate 5.
[0034] 2): After the cover plate 5 is removed, the side plate 13 can be moved out of the mounting groove 9, which can release the lock on the first dustproof net 11 and quickly remove the first dustproof net 11 from the inside of the mounting groove 9 so as to clean the dust on the first dustproof net 11.
[0035] 3): Twist the threaded sleeve 7 to make it move out of the threaded hole. The threaded sleeve 7 can be disassembled, which not only facilitates the maintenance of the fan 8, but also facilitates the cleaning of dust on the second dust screen 24. After the first dust screen 11 is cleaned, insert it into the mounting slot 9. Then use bolts to lock the cover plate 5 on the power amplifier housing 1. At this time, the bottom surface of the pressure plate 12 is in contact with the top surface of the frame 10, which can realize the quick installation of the first dust screen 11.
[0036] In summary, when cleaning the dust filter of this audio matrix amplifier terminal is required, the bolts locking the assembly plate 4 are removed to release the lock on the assembly plate 4. At this time, pulling the cover plate 5 upwards moves the assembly plate 4 out of the assembly slot 21, which allows for quick removal of the cover plate 5. This facilitates the inspection and maintenance of the electronic components inside the amplifier housing 1. After removing the cover plate 5, the side plate 13 can be moved out of the mounting slot 9, releasing the lock on the first dust filter 11 and allowing the first dust filter 11 to be quickly removed from inside the mounting slot 9. To facilitate cleaning of dust on the first dust filter 11, the threaded sleeve 7 is twisted to move out of the threaded hole, allowing the threaded sleeve 7 to be disassembled. This not only facilitates the maintenance of the fan 8 but also the cleaning of dust on the second dust filter 24. After cleaning the first dust filter 11, it is inserted into the mounting slot 9. Then, the cover plate 5 is locked onto the amplifier housing 1 with bolts. At this time, the bottom surface of the pressure plate 12 is in contact with the top surface of the frame 10, which allows for the quick installation of the first dust filter 11 without affecting the subsequent use of the amplifier.
Claims
1. An audio matrix power amplifier terminal, characterized in that: The amplifier includes an amplifier housing (1), on which a control panel (2) and a junction box (3) are embedded on the front and rear sides respectively. Two symmetrically arranged assembly plates (4) are slidably connected to the left and right sides of the amplifier housing (1). The assembly plates (4) are fixedly connected to the amplifier housing (1) by bolts. A cover plate (5) is fixedly connected to the top surface of several assembly plates (4). A threaded hole (6) is opened on the top surface of the cover plate (5). A threaded sleeve (7) is threadedly connected to the inner wall of the threaded hole (6). A fan (8) is fixedly installed on the inner wall of the threaded sleeve (7) by bolts. Mounting grooves (9) are opened on the left and right sides of the amplifier housing (1). A frame is slidably connected to the inner wall of each mounting groove (9). 10), the inner wall of the frame (10) is fixedly connected with a first dustproof net (11), the fan (8) is located between the two first dustproof nets (11), the bottom surface of the cover plate (5) is fixedly connected with two symmetrically arranged pressure plates (12), the bottom surfaces of the two pressure plates (12) are respectively attached to the top surfaces of the two frames (10), the side surfaces of the pressure plates (12) are fixedly connected with side plates (13), the side plates (13) are slidably connected to the power amplifier housing (1) through the mounting groove (9), the inner side of the side plates (13) is attached to the outer side of the frame (10), and a number of linear array heat dissipation slots (14) are opened through one side of the side plates (13), and the number of heat dissipation slots (14) are all corresponding to the first dustproof nets (11).
2. The audio matrix power amplifier terminal according to claim 1, characterized in that: The top surface of the frame (10) has two symmetrically arranged through holes (15), and the bottom surface of the pressure plate (12) is fixedly connected to two symmetrically arranged plug rods (16). The two plug rods (16) are slidably connected to the frame (10) through the two through holes (15), and the length of the plug rods (16) is equal to the height of the frame (10).
3. An audio matrix power amplifier terminal according to claim 2, characterized in that: The bottom surface of the side plate (13) is fixedly connected to a card plate (17), and the inner wall of the mounting groove (9) is provided with a card slot (18). The card plate (17) is slidably connected to the power amplifier housing (1) through the card slot (18).
4. An audio matrix power amplifier terminal according to claim 3, characterized in that: The frame (10) is fixedly connected to the front and rear sides with slides (19), and the inner wall of the mounting groove (9) has two symmetrically arranged slides (20). The two slides (19) are slidably connected to the power amplifier housing (1) through the two slides (20).
5. An audio matrix power amplifier terminal according to claim 4, characterized in that: The power amplifier housing (1) has two symmetrically arranged assembly slots (21) on both the left and right sides, and several assembly plates (4) are slidably connected to the power amplifier housing (1) through several assembly slots (21).
6. An audio matrix power amplifier terminal according to claim 5, characterized in that: The bottom surface of the cover plate (5) is fixedly connected with a positioning pin (22), and the inner wall of the power amplifier housing (1) is provided with a positioning hole (23). The positioning pin (22) is slidably connected to the power amplifier housing (1) through the positioning hole (23).
7. An audio matrix power amplifier terminal according to claim 6, characterized in that: The inner wall of the threaded sleeve (7) is fixedly connected with a second dustproof net (24), which corresponds vertically to the fan (8).