FIR digital all-pass filter four-channel high-power amplifier

Abstract

The utility model relates to the technical field of power amplification, in particular to an FIR (Finite Impulse Response) digital all-pass filter four-channel high-power amplifier, which comprises an FIR digital all-pass filter four-channel high-power amplifier body, the FIR digital all-pass filter four-channel high-power amplifier body comprises a case bottom plate, a case rear plate, a first mainboard, a second mainboard, a third mainboard, a fourth mainboard, two first relieved tooth radiators, two second relieved tooth radiators, two first fans, four second fans, a fan baffle, a case side plate and a case front plate. When the FIR digital all-pass filter four-channel high-power power amplifier is used, the first relieved tooth radiators are arranged on the first mainboard and the second mainboard, the second relieved tooth radiators are arranged on the third mainboard and the fourth mainboard, and the two first fans and the four second fans are arranged in the FIR digital all-pass filter four-channel high-power power amplifier. And internal heat can be discharged outwards, so that electronic elements such as the mainboard can be effectively prevented from being damaged due to overheating.

Description

TECHNICAL FIELD

[0001] The utility model relates to power amplifier technical field especially relates to FIR digital all-pass filter four channel high power power amplifier. BACKGROUND

[0002] FIR digital all-pass filter four channel high power power amplifier is a system combining digital signal processing technology and power amplifier technology. The system can be used in occasions that require simultaneous processing of multiple signal sources, phase adjustment or delay of signals, and output of high power signals. For example, in high-end audio systems, the system can be used to realize phase adjustment and power amplification of multi-channel audio signals; in wireless communication systems, it can be used to realize phase adjustment and power amplification of multi-antenna signals to improve communication performance and coverage.

[0003] In the prior art, although FIR digital all-pass filter four channel high power power amplifier can adjust the phase of signals and amplify power, when FIR digital all-pass filter four channel high power power amplifier is running, the internal electronic components will generate a large amount of heat, which may cause damage to the mainboard and other electronic components if the heat is not discharged in time, thereby affecting the operation of FIR digital all-pass filter four channel high power power amplifier. Therefore, FIR digital all-pass filter four channel high power power amplifier is proposed. SUMMARY

[0004] The utility model discloses a FIR digital all-pass filter four channel high power power amplifier to solve the shortcoming that electronic components will generate a large amount of heat in the prior art, which may cause damage to the mainboard and other electronic components if the heat is not discharged in time.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] FIR digital all-pass filter four channel high power power amplifier, including FIR digital all-pass filter four channel high power power amplifier body, the FIR digital all-pass filter four channel high power power amplifier body includes the chassis bottom plate, the chassis backboard, the first mainboard, the second mainboard, the third mainboard, the fourth mainboard, two first toothed heat sink, two second toothed heat sink, two first fan, four second fan, fan baffle, chassis side plate, chassis front plate;

[0007] The cabinet side plate is installed on both sides of the cabinet bottom plate, the cabinet rear plate and the cabinet front plate are installed on the inner side of the cabinet side plate, the first main plate, the second main plate, the third main plate and the fourth main plate are installed on the surface of the cabinet bottom plate, two first toothed heat sinks are installed on the first main plate and the second main plate respectively, two second toothed heat sinks are installed on the third main plate and the fourth main plate respectively, two first fans are installed on one side of the cabinet rear plate, and four second fans are installed on the fan baffle.

[0008] Preferably, a plurality of air vents for the first fan to dissipate heat are formed in the top of the cabinet rear plate, and a plurality of round holes for installing the first main plate and the second main plate are formed in the top of the cabinet rear plate.

[0009] Preferably, a first iron plate is installed on one side of the cabinet rear plate, one side of the bottom of the first iron plate is installed on the cabinet side plate, a network board is installed in the first iron plate, a rectangular hole for inserting the network board is formed in the top of the cabinet rear plate, a second iron plate is arranged below the first iron plate, the second iron plate is installed on the cabinet side plate, and a DSP board is installed in the second iron plate.

[0010] Preferably, the fan baffle is installed on the surface of the cabinet bottom plate, an output socket and a power socket are installed on one side of the cabinet front plate, and four circular through holes are formed in the fan baffle.

[0011] Preferably, an aluminum panel is installed on one side of the cabinet front plate, mounting holes are formed in the aluminum panel and the cabinet front plate, a power switch is installed in the mounting hole, and a lamp panel is installed on the aluminum panel and the cabinet front plate.

[0012] Preferably, air-permeable mesh holes are uniformly distributed on the surface of the cabinet front plate and the cabinet side plate, symmetrical connecting holes for fixing are formed at both ends of the cabinet side plate, and power boards are installed on the third main plate and the fourth main plate.

[0013] Compared with the prior art, the device has the following advantages:

[0014] When the device is used, the first toothed heat sink is installed on the first main plate and the second main plate, the second toothed heat sink is installed on the third main plate and the fourth main plate, and two first fans and four second fans are installed in the interior of the FIR digital all-pass filter four-channel high-power power amplifier, so that the internal heat can be discharged outward, and the overheating damage of the main plate and other electronic components can be effectively prevented. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1The horizontal three-dimensional structure schematic diagram of the FIR digital all-pass filter four-channel high-power power amplifier is provided by the utility model.

[0016] Figure 2 The vertical three-dimensional structure schematic diagram of the FIR digital all-pass filter four-channel high-power power amplifier is provided by the utility model.

[0017] Figure 3 The explosion three-dimensional structure schematic diagram of the FIR digital all-pass filter four-channel high-power power amplifier is provided by the utility model.

[0018] Figure 4 The back three-dimensional structure schematic diagram of the FIR digital all-pass filter four-channel high-power power amplifier is provided by the utility model.

[0019] In the figure: 1, the chassis bottom plate; 2, the chassis back plate; 3, the first mainboard; 4, the second mainboard; 5, the first toothed heat sink; 6, the power board; 7, the second toothed heat sink; 8, the network board; 9, the first iron plate; 10, the first fan; 11, the output socket; 12, the power socket; 13, the fan baffle; 14, the second fan; 15, the chassis front plate; 16, the power switch; 17, the lamp plate; 18, the aluminum panel; 19, the chassis side plate; 20, the second iron plate; 21, the DSP board; 22, the third mainboard; 23, the fourth mainboard. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Referring to Figures 1-4 , the FIR digital all-pass filter four-channel high-power power amplifier includes the FIR digital all-pass filter four-channel high-power power amplifier body, and the FIR digital all-pass filter four-channel high-power power amplifier body includes the chassis bottom plate 1, the chassis back plate 2, the first mainboard 3, the second mainboard 4, the third mainboard 22, the fourth mainboard 23, the two first toothed heat sinks 5, the two second toothed heat sinks 7, the two first fans 10, the four second fans 14, the fan baffle 13, the chassis side plate 19 and the chassis front plate 15.

[0022] It should be noted that the first fan 10, the second fan 14, the first notched heat sink 5, the second notched heat sink 7, the FIR digital all-pass filter four-channel high-power power amplifier body, the specific model specification needs to be selected and determined according to the actual specification of the device, the specific selection calculation method adopts the existing technology in the art, and therefore is not described, and can be powered and controlled to be turned on and off by an external device.

[0023] It should be noted that the FIR digital all-pass filter four-channel high-power power amplifier body further comprises an FIR filter, an all-pass filter, four channels, and a power amplifier, wherein the FIR filter is a linear filter, and its output is the discrete convolution of the input signal and a finite-length impulse response sequence. The FIR filter is widely used due to its stability, linear phase characteristics and design flexibility; the all-pass filter is a special filter whose amplitude response is constant at all frequencies, i.e. all frequency signals are attenuated or amplified equally, but the phase response is a function of frequency. The all-pass filter is often used for phase adjustment, signal delay and other applications; four channels refer to the power amplifier system having four independent signal channels, which can amplify four different signals simultaneously. This multi-channel design is often used in situations where multiple signal sources need to be processed simultaneously, such as multi-channel audio systems, multi-antenna communication systems, etc.; the power amplifier is an electronic device that amplifies the power of the input signal to a level sufficient to drive the load. In an audio system, the power amplifier is usually used to amplify the power of the audio signal to drive the loudspeaker to produce sound; in a communication system, the power amplifier is used to amplify the power of the radio frequency signal for long-distance transmission.

[0024] The cabinet side plate 19 is installed on both sides of the cabinet bottom plate 1, the cabinet rear plate 2 and the cabinet front plate 15 are installed on the inner side of the cabinet side plate 19, the first main board 3, the second main board 4, the third main board 22 and the fourth main board 23 are installed on the surface of the cabinet bottom plate 1, two first notched heat sinks 5 are installed on the first main board 3 and the second main board 4 respectively, and two second notched heat sinks 7 are installed on the third main board 22 and the fourth main board 23 respectively. It should be noted that the installation of the first notched heat sink 5 and the second notched heat sink 7, in combination with the first fan 10 and the second fan 14, can effectively cool the first main board 3 and the second main board 4, and can prevent the main board from overheating and being damaged.

[0025] Two first fans 10 are installed on one side of the cabinet rear plate 2, and four second fans 14 are installed on the fan baffle 13. It should be noted that the first fan 10 and the second fan 14 can generate wind power in the direction of the cabinet rear plate 2, and can discharge the heat generated inside the device to the outside.

[0026] Further, the top of the rear plate 2 of the cabinet is provided with a plurality of air vents for the first fan 10 to dissipate heat, and the top of the rear plate 2 of the cabinet is provided with a plurality of round holes for mounting the first mainboard 3 and the second mainboard 4.

[0027] Further, the first iron plate 9 is installed on one side of the rear plate 2 of the cabinet, the bottom side of the first iron plate 9 is installed on the side plate 19 of the cabinet, the network board 8 is installed in the first iron plate 9, the top of the rear plate 2 of the cabinet is provided with a rectangular hole for inserting the network board 8, and the second iron plate 20 is arranged below the first iron plate 9, the second iron plate 20 is installed on the side plate 19 of the cabinet, and the DSP board 21 is installed in the second iron plate 20.

[0028] Further, the fan baffle 13 is installed on the surface of the bottom plate 1 of the cabinet, the output socket 11 and the power socket 12 are installed on one side of the front plate 15 of the cabinet, and four circular through holes are formed in the fan baffle 13.

[0029] Further, the aluminum panel 18 is installed on one side of the front plate 15 of the cabinet, the mounting hole is formed in the aluminum panel 18 and the front plate 15 of the cabinet, the power switch 16 is installed in the mounting hole, the lamp panel 17 is installed on the aluminum panel 18 and the front plate 15 of the cabinet.

[0030] Further, the front plate 15 of the cabinet and the side plate 19 of the cabinet are provided with evenly distributed air mesh holes, the connecting holes for fixing are symmetrically formed at both ends of the side plate 19 of the cabinet, the power board 6 is installed on the third mainboard 22 and the fourth mainboard 23.

[0031] The working principle of the utility model:

[0032] First, the two chassis side plate 19 is installed on the chassis bottom plate 1 surface by bolt, then the chassis rear plate 2 and chassis front plate 15 are installed on the chassis side plate 19 by bolt, then the first mainboard 3, second mainboard 4, third mainboard 22, fourth mainboard 23 are installed on the chassis bottom plate 1 surface by bolt, then the two first toothed heat sink 5 are installed on the first mainboard 3 and second mainboard 4 by bolt respectively, then the two second toothed heat sink 7 are installed on the third mainboard 22 and fourth mainboard 23 by bolt respectively;

[0033] Then, the two first fan 10 are installed on the surface of the chassis rear plate 2 by bolt, then the four second fan 14 are installed on the fan baffle 13 by bolt, then the fan baffle 13 is installed on the chassis bottom plate 1 surface by bolt, the first iron sheet is installed on one side of the chassis rear plate 2 by bolt, and the network board 8 is installed in the first iron sheet by bolt, then the second iron sheet is installed on one side of the chassis side plate 19, and the DSP board 21 is installed in the second iron sheet by bolt;

[0034] Finally, the power switch 16, lamp plate 17 are installed on the chassis front plate 15, and the aluminum panel 18 is installed on the surface of the chassis front plate 15 by bolt, then the chassis cover is installed on the chassis bottom plate 1, chassis rear plate 2, chassis side plate 19, chassis front plate 15 by bolt.

[0035] The above, only for the preferred specific embodiments of the present application, but the scope of the present application is not limited to this, any skilled in the art of the technical personnel in the present application disclosed in the technical range, according to the technical scheme of the present application and the utility model concept of the present application are equivalent to replace or change, should be covered in the scope of the present application.

Claims

1. A FIR digital all-pass filter four-channel high-power power amplifier, comprising a FIR digital all-pass filter four-channel high-power power amplifier body, characterized in that, The FIR digital all-pass filter four-channel high-power power amplifier body includes a cabinet bottom plate (1), a cabinet back plate (2), a first main plate (3), a second main plate (4), a third main plate (22), a fourth main plate (23), two first toothed heat sinks (5), two second toothed heat sinks (7), two first fans (10), four second fans (14), a fan baffle (13), a cabinet side plate (19), and a cabinet front plate (15). The cabinet side plate (19) is installed on both sides of the cabinet bottom plate (1), the cabinet back plate (2) and the cabinet front plate (15) are both installed on the inner side of the cabinet side plate (19), the first main plate (3), the second main plate (4), the third main plate (22), and the fourth main plate (23) are all installed on the surface of the cabinet bottom plate (1), two first toothed heat sinks (5) are respectively installed on the first main plate (3) and the second main plate (4), two second toothed heat sinks (7) are respectively installed on the third main plate (22) and the fourth main plate (23), two first fans (10) are installed on one side of the cabinet back plate (2), and four second fans (14) are installed on the fan baffle (13).

2. The FIR digital all-pass filter four-channel high-power power amplifier according to claim 1, characterized in that, A plurality of air vents for the first fan (10) to dissipate heat are formed in the top of the cabinet back plate (2), and a plurality of round holes for installing the first main plate (3) and the second main plate (4) are formed in the top of the cabinet back plate (2).

3. The FIR digital all-pass filter four-channel high-power power amplifier according to claim 1, characterized in that, A first iron plate (9) is installed on one side of the cabinet back plate (2), the bottom side of the first iron plate (9) is installed on the cabinet side plate (19), a network board (8) is installed in the first iron plate (9), a rectangular hole for inserting the network board (8) is formed in the top of the cabinet back plate (2), a second iron plate (20) is arranged below the first iron plate (9), the second iron plate (20) is installed on the cabinet side plate (19), and a DSP board (21) is installed in the second iron plate (20).

4. The FIR digital all-pass filter four-channel high-power power amplifier according to claim 1, characterized in that, The fan baffle (13) is installed on the surface of the cabinet bottom plate (1), an output socket (11) and a power socket (12) are installed on one side of the cabinet front plate (15), and four circular through holes are formed in the fan baffle (13).

5. The FIR digital all-pass filter four-channel high-power power amplifier according to claim 1, characterized in that, An aluminum panel (18) is installed on one side of the cabinet front plate (15), installation openings are formed in the aluminum panel (18) and the cabinet front plate (15), a power switch (16) is installed in the installation openings, and a lamp panel (17) is installed on the aluminum panel (18) and the cabinet front plate (15).

6. The FIR digital all-pass filter four-channel high-power power amplifier according to claim 1, characterized in that, Air-permeable mesh holes are formed in the surfaces of the cabinet front plate (15) and the cabinet side plate (19), symmetrical connecting holes for fixing are formed in both ends of the cabinet side plate (19), and power boards (6) are installed on the third main plate (22) and the fourth main plate (23).

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