Multi-channel network power amplifier device

Abstract

The utility model discloses a multi-channel network power amplifier device which comprises a shell, a front cover is movably connected to the side face of the shell in a penetrating mode, a rear cover is movably connected to the other side of the shell in a penetrating mode, an input board is movably connected into the shell, and a plurality of input channels are fixedly connected to the side face of the input board. The side face of the input board is movably connected with a first data line, the upper end of the input board is movably connected with a control board, symmetrical positioning boards are fixedly connected in the shell, power amplifier modules are movably connected in the positioning boards, symmetrical ventilation holes are formed in the side face of the shell, symmetrical sliding grooves are movably connected in the shell, and the power amplifier modules are movably connected in the sliding grooves. Symmetrical fan covers are fixedly connected into the shell, and motors are fixedly connected to the side faces of the fan covers. Through the structure, efficient transmission and accurate decoding of multichannel audio signals are guaranteed, internal heat is effectively discharged, elements are prevented from being overheated, and the use stability and cruising ability of equipment are enhanced.

Description

Technical Field

[0001] This utility model relates to the field of power amplifier technology, and in particular to a multi-channel network power amplifier device. Background Technology

[0002] With the increasing application of digital audio systems in fields such as conferences, performances, and public address systems, multi-channel network amplifiers have become core equipment for achieving high-quality audio playback. Traditional amplifiers suffer from problems such as unstable signal transmission, limited number of channels, and difficulty in achieving networked control, making it difficult to meet the needs of large-scale, multi-area audio playback.

[0003] Some existing multi-channel network power amplifier devices, such as the technology disclosed in CN213368131U, have made certain improvements to the device structure, but still have limitations. In actual use, the data processing efficiency of this patented device cannot meet the needs of high-concurrency audio transmission scenarios, and its heat dissipation structure is unable to quickly dissipate the heat generated by the device's operation, resulting in insufficient stability of the device during long-term operation. Utility Model Content

[0004] The purpose of this invention is to provide a multi-channel network power amplifier device that ensures efficient transmission and accurate decoding of multi-channel audio signals, effectively dissipates internal heat, prevents overheating of components, and enhances the stability and battery life of the device.

[0005] To achieve the above objectives, a multi-channel network power amplifier device is provided, including a housing, a front cover movably connected through one side of the housing, a rear cover movably connected through the other side of the housing, and an input board movably connected inside the housing.

[0006] According to the multi-channel network power amplifier device, multiple input channels are fixedly connected to the side of the input board, the input channels are movably connected to the front cover, and control buttons are movably connected to the side of the front cover.

[0007] According to the multi-channel network power amplifier device, a first data line is movably connected to the side of the input board, a control board is movably connected to the upper end of the input board, the other end of the first data line is movably connected to the control board, and a switch chip is fixedly connected to the control board.

[0008] According to the multi-channel network power amplifier device, a symmetrical positioning plate is fixedly connected inside the housing, a power amplifier module is movably connected inside the positioning plate, a second data line is movably connected to the side of the power amplifier module, and the other end of the second data line is movably connected to the input board.

[0009] According to the multi-channel network power amplifier device, symmetrical ventilation holes are provided on the side of the housing, and symmetrical sliding grooves are movably connected inside the housing, with corresponding filters movably connected inside the sliding grooves.

[0010] According to the multi-channel network power amplifier device, symmetrical fan covers are fixedly connected inside the housing, motors are fixedly connected to the sides of the fan covers, fan blades are movably connected to the corresponding fan covers, and the motors are movably connected to the fan blades.

[0011] According to the multi-channel network power amplifier device, an output board is movably connected inside the housing, the output board is movably connected to the input board, multiple output channels are fixedly connected to the side of the output board, and the output channels are movably connected to the rear cover.

[0012] According to the multi-channel network power amplifier device, symmetrical fixing slots are fixedly connected inside the housing, and batteries are movably connected inside the fixing slots.

[0013] Beneficial effects:

[0014] 1. The input channels and control buttons on the front cover facilitate the access of external signals and parameter adjustment. The input board is connected to the control board through the first data line. Together with the switch chip, it realizes the rapid exchange and distribution of network audio data. All modules work together to ensure the efficient transmission and accurate decoding of multi-channel audio signals.

[0015] 2. The heat dissipation structure, consisting of the outer casing ventilation holes, sliding filter screen, fan cover and motor blades, effectively dissipates internal heat and prevents components from overheating; the battery in the fixed slot provides backup power for the device, and can still maintain operation when the external power is off, enhancing the stability and endurance of the equipment.

[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0018] Figure 1 This is a perspective view of the multi-channel network power amplifier device proposed in this utility model;

[0019] Figure 2 This is a rear view of the multi-channel network power amplifier device proposed in this utility model;

[0020] Figure 3 This is a schematic diagram of the input board of the multi-channel network power amplifier device proposed in this utility model;

[0021] Figure 4 This is a schematic diagram of the control board of the multi-channel network power amplifier device proposed in this utility model;

[0022] Figure 5This is a schematic diagram of the outer casing of the multi-channel network power amplifier device proposed in this utility model.

[0023] Legend:

[0024] 1. Outer casing; 2. Front cover; 3. Ventilation vent; 4. Control button; 5. Input channel; 6. Rear cover; 7. Output channel; 8. Output board; 9. Slide rail; 10. Filter screen; 11. Fan cover; 12. Motor; 13. Fan blade; 14. Input board; 15. First data cable; 16. Power amplifier module; 17. Second data cable; 18. Control board; 19. Switch chip; 20. Battery; 21. Fixing slot; 22. Positioning plate. Detailed Implementation

[0025] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0026] Reference Figure 1-5 The multi-channel network power amplifier device of this utility model includes a housing 1, a front cover 2 that is movably connected through the side of the housing 1, a rear cover 6 that is movably connected through the other side of the housing 1, and an input board 14 that is movably connected inside the housing 1, ensuring that the components are installed compactly and do not interfere with each other.

[0027] Specifically: multiple input channels 5 are fixedly connected to the side of the input board 14. The input channels 5 are movably connected to the front cover 2. The side of the front cover 2 is movably connected to the control button 4, which realizes basic operations such as volume adjustment, channel switching, and mode selection of the input signal.

[0028] Specifically: the input board 14 is movably connected to the side of the input board 14, the upper end of the input board 14 is movably connected to the control board 18, the other end of the first data line 15 is movably connected to the control board 18, and the control board 18 is fixedly connected to the switch chip 19 to realize the synchronous processing of multi-channel audio signals.

[0029] Specifically: a symmetrical positioning plate 22 is fixedly connected inside the outer casing 1, and a power amplifier module 16 is movably connected inside the positioning plate 22. A second data line 17 is movably connected to the side of the power amplifier module 16, and the other end of the second data line 17 is movably connected to the input board 14, which can amplify the input audio signal with high fidelity.

[0030] Specifically: Symmetrical ventilation holes 3 are provided on the side of the outer casing 1, and symmetrical sliding grooves 9 are movably connected inside the outer casing 1. Correspondingly, filters 10 are movably connected inside the sliding grooves 9, which effectively filter out fine impurities such as dust and hair in the air and prevent them from entering the device and affecting the normal operation of electronic components.

[0031] Specifically: A symmetrical fan cover 11 is fixedly connected inside the outer casing 1. A motor 12 is fixedly connected to the side of the fan cover 11. A fan blade 13 is movably connected inside the fan cover 11. The motor 12 is movably connected to the fan blade 13. Together with the ventilation hole 3, the heat generated by the power amplifier module 16 and other heat-generating components is quickly discharged to ensure that the equipment is always in a suitable working temperature environment.

[0032] Specifically: An output board 8 is movably connected inside the outer casing 1. The output board 8 is movably connected to the input board 14. Multiple output channels 7 are fixedly connected to the side of the output board 8. The output channels 7 are movably connected to the rear cover 6 to ensure the stability of the output signal and the sound quality, and to achieve high-quality audio playback.

[0033] Specifically: The outer casing 1 has symmetrical fixing grooves 21 fixedly connected inside, and the fixing grooves 21 are movably connected to the battery 20, which provides continuous power support for the device and significantly improves the stability and reliability of the device.

[0034] Working principle:

[0035] External audio signals are input to the device via input channel 5 on the side of input board 14. Control knob 4 on the side of front cover 2 allows for volume adjustment, channel switching, and mode selection of the input signal, providing initial signal parameter adjustments. The adjusted signal is transmitted to control board 18 via first data line 15. Switch chip 19 on control board 18 intelligently distributes the signal, accurately transmitting audio data from different channels to the corresponding processing units, achieving synchronous processing of multi-channel audio. The processed audio signal is transmitted to power amplifier module 16 within positioning board 22 via second data line 17. Power amplifier module 16 employs a high-fidelity design, amplifying the audio signal to provide sufficient drive for the sound-producing equipment. The amplified signal is transmitted to output board 8, which connects to speakers and other sound-producing equipment via output channel 7 on the side of output board 8, enabling high-quality audio playback. During device operation, components such as power amplifier module 16 generate heat. Ventilation holes 3 on the side of outer casing 1, along with the internal fan cover 11, motor 12, and fan blades 13, constitute a heat dissipation system. Motor 12 drives fan blades 13 to rotate, accelerating airflow and expelling heat through ventilation holes 3. Meanwhile, the filter 10 inside the slide 9 can filter impurities in the air and prevent dust from entering the device and affecting the operation of the components. The battery 20 in the fixing slot 21 inside the housing 1 serves as a backup power source and is in a charging state when the external power supply is normal.

[0036] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A multi-channel network power amplifier device, comprising a housing (1), characterized in that: A front cover (2) is movably connected through the side of the outer shell (1), a rear cover (6) is movably connected through the other side of the outer shell (1), and an input plate (14) is movably connected inside the outer shell (1).

2. The multi-channel network power amplifier device according to claim 1, characterized in that, The input panel (14) has multiple input channels (5) fixedly connected to its side. The input channels (5) are movably connected to the front cover (2). The front cover (2) has a control button (4) movably connected to its side.

3. The multi-channel network power amplifier device according to claim 1, characterized in that, The input board (14) is movably connected to a first data line (15) on its side, and a control board (18) is movably connected to the upper end of the input board (14). The other end of the first data line (15) is movably connected to the control board (18), and a switch chip (19) is fixedly connected to the control board (18).

4. The multi-channel network power amplifier device according to claim 1, characterized in that, A symmetrical positioning plate (22) is fixedly connected inside the outer shell (1). A power amplifier module (16) is movably connected inside the positioning plate (22). A second data line (17) is movably connected to the side of the power amplifier module (16). The other end of the second data line (17) is movably connected to the input board (14).

5. The multi-channel network power amplifier device according to claim 1, characterized in that, The outer shell (1) has symmetrical ventilation holes (3) on its side. The outer shell (1) is movably connected with symmetrical sliding grooves (9), and a filter screen (10) is movably connected to the corresponding sliding grooves (9).

6. The multi-channel network power amplifier device according to claim 1, characterized in that, A symmetrical fan cover (11) is fixedly connected inside the outer shell (1). A motor (12) is fixedly connected to the side of the fan cover (11). A fan blade (13) is movably connected inside the fan cover (11). The motor (12) is movably connected to the fan blade (13).

7. The multi-channel network power amplifier device according to claim 1, characterized in that, An output board (8) is movably connected inside the outer casing (1). The output board (8) is movably connected to the input board (14). Multiple output channels (7) are fixedly connected to the side of the output board (8). The output channels (7) are movably connected to the rear cover (6) through the back cover.

8. The multi-channel network power amplifier device according to claim 1, characterized in that, The outer casing (1) is fixedly connected with symmetrical fixing grooves (21), and a battery (20) is movably connected in the fixing grooves (21).

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