CN112543396A

CN112543396A - Audio signal processing equipment and signal processing method thereof

Info

Publication number: CN112543396A
Application number: CN202011376769.5A
Authority: CN
Inventors: 宋军; 乔迈
Original assignee: Nanjing Forestry University
Current assignee: Nanjing Forestry University
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-03-23

Abstract

The invention relates to the technical field of audio processing, in particular to an audio signal processing device and a signal processing method thereof, wherein the audio signal processing device comprises a shell, an audio circuit, a signal input port, a signal output port and a dust screen body, wherein the signal input port and the signal output port are both arranged on the front surface of the shell; the audio signal processing equipment has a better heat dissipation effect, can clean the dust screen on the surface of the equipment, enables the circuit of the equipment to run more stably, and solves the problems that the existing audio signal processing equipment has poor heat dissipation effect, the circuit of the equipment is easy to rise in temperature when running for a long time, the circuit running is influenced, the dust screen of the equipment is easy to cover with dust in the long-term use process, partial meshes are blocked, the flow of internal air is greatly reduced, and the heat dissipation effect is greatly reduced.

Description

Audio signal processing equipment and signal processing method thereof

Technical Field

The invention relates to the technical field of audio processing, in particular to audio signal processing equipment and a signal processing method thereof.

Background

The audio signal is a regular sound wave frequency and amplitude variation information carrier with voice, music and sound effects. Audio information can be classified into regular audio and irregular sound according to the characteristics of sound waves. Regular audio can be divided into speech, music and sound effects. Regular audio is a continuously varying analog signal that can be represented by a continuous curve called a sound wave. With the continuous development and progress of society, people are pursuing higher and higher sound quality and music listening sense when watching television or listening music. Therefore, in the field of audio signal processing, research into automatic gain adjustment of digital audio signals is also increasing. The automatic gain adjustment is performed on the digital audio signal so that the digital audio signal is amplified without damaging a loudspeaker and without sound breaking.

Some existing audio signal processing equipment usually adopt a small fan to dissipate heat, but the heat dissipation effect is not good enough, the temperature of a circuit of the equipment is easy to rise when the circuit runs for a long time, the circuit running is influenced, a dust screen of the equipment is easily covered with dust when the equipment is used for a long time, partial meshes are blocked, the flow of internal air is greatly reduced, and the heat dissipation effect is greatly reduced.

Disclosure of Invention

It is an object of the present invention to provide an audio signal processing apparatus and a signal processing method thereof to solve the problems set forth in the above background art.

In order to achieve the purpose, the invention provides the following technical scheme: an audio signal processing device comprises a shell, an audio circuit, a signal input port, a signal output port and a dustproof net body, wherein the signal input port and the signal output port are both arranged on the front side of the shell, a through groove is formed in the right side of the front side of the shell in a penetrating mode, the dustproof net body is positioned in front of the through groove, a connecting plate is arranged on the back side of the dustproof net body, a small vibration motor is connected to the top of the connecting plate in a bolted mode, a partition plate is connected to the back side of the through groove in a bolted mode inside the shell, a heat dissipation fan is embedded in the surface of the partition plate, sliding grooves are formed in the front side of the shell and in the left side and the right side of the through groove, fixing plates are arranged on the left side and the right side of the dustproof net body, a sliding block is connected to the back side of the fixing plates in a bolted, the audio circuit comprises a bottom shell, and is characterized in that a plurality of heat conduction columns are bolted to the inside of the bottom shell, the top ends of the heat conduction columns penetrate through the inside of the shell and are bonded with heat conduction blocks, the tops of the heat conduction blocks are in mutual contact with the bottom of the audio circuit, and a protection mechanism is arranged at the top of the shell.

Preferably, protection machanism includes guard plate, damping spring and crash pad, damping spring's quantity is a plurality of and installs in the bottom of guard plate, damping spring's the other end and the surperficial reciprocal anchorage at casing top, the crash pad bonds on the surface at guard plate top.

Preferably, the left side and the right side of the top of the shell are bolted with telescopic rods, and the top ends of the telescopic rods are bolted with the surface of the bottom of the protection plate.

Preferably, the material of crash pad is yielding rubber, the area of guard plate is greater than the area at casing top, and the area of crash pad is the same with the area of guard plate.

Preferably, a plurality of baffles are bolted on the inner part of the bottom shell, and the baffles are distributed in a staggered way from left to right.

Preferably, support columns are bolted to four corners of the bottom shell, and suckers are mounted at the bottoms of the support columns.

Preferably, the whole of the heat conduction block is cylindrical, and the heat conduction block is made of heat conduction silica gel.

A signal processing method of an audio signal processing apparatus, comprising the steps of:

a: firstly, externally connecting a signal input port and a signal output port with signal lines, and then transmitting signals to an audio circuit through the signal input port;

b: at the moment, the signal enters a recording circuit in the audio circuit, the audio signal is equalized and amplified in the audio recording circuit through a recording equalizing amplifier, and then a bias signal is added through a superaudio oscillator to improve distortion and improve transmission stability;

c: then the audio signal is transmitted to the audio magnetic head to be recorded on the magnetic tape, the audio magnetic head picks up and converts the track signal on the magnetic tape into an electric signal, and the electric signal is equalized and amplified by a playback equalizing amplifier in the audio circuit and then is restored into a sound signal.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention has better heat dissipation effect, can clean the dustproof net on the surface of the device, enables the circuit of the device to run more stably, and solves the problems that the existing audio signal processing equipment has poor heat dissipation effect, the circuit of the device is easy to rise in temperature when running for a long time, the circuit running is influenced, and the dustproof net of the device is easy to be covered with dust in the long-term use process, so that partial meshes are blocked, the flow of internal air is greatly reduced, and the heat dissipation effect is greatly reduced;

2. through the setting of guard plate, damping spring and crash pad, their cooperation is used and can be carried out collision avoidance at the top of casing, avoids small-size object to pound to the top of this equipment, causes the surface of casing impaired. Or the internal circuit is damaged due to impact force, the protection plate can only move in the vertical direction through the arrangement of the telescopic rod, the phenomenon that the protection plate deviates left and right or front and back to cause bending of the damping spring is avoided, and the protection range of the protection plate covers the top of the whole shell through the design that the area of the protection plate is larger than that of the top of the shell, so that the protection performance of the device is improved;

3. through the setting of baffle, it makes the running water meander in the inside of casing and moves ahead to prolong the dwell time of running water, promote the heat absorption effect of running water, through the setting of support column and sucking disc, the sucking disc can be fixed this equipment with placing the plane, and the support column can be with sucking disc and drain pan reciprocal anchorage, the material through design heat conduction piece is heat conduction silica gel, heat conduction silica gel is when possessing the heat conductivity, still has insulating nature, avoid the inside of current transfer to the heat conduction post among the audio circuit.

Drawings

FIG. 1 is a front sectional view of a housing according to the present invention;

FIG. 2 is a right side sectional view of the housing of the present invention;

FIG. 3 is a top sectional view of a portion of the housing of the present invention;

FIG. 4 is an enlarged view of a portion of the structure of FIG. 3;

FIG. 5 is a structural elevation view of the present invention;

fig. 6 is a perspective view of the present invention.

In the figure: 1. a housing; 2. an audio circuit; 3. a signal input port; 4. a signal output port; 5. a dust screen body; 6. a through groove; 7. a connecting plate; 8. a small vibration motor; 9. a partition plate; 10. a heat radiation fan; 11. a fixing plate; 12. a slider; 13. a chute; 14. a bottom case; 15. a water inlet pipe; 16. a water outlet pipe; 17. a baffle plate; 18. a heat-conducting column; 19. a heat conducting block; 20. a protection mechanism; 201. a protection plate; 202. an anti-collision pad; 203. a damping spring; 21. a telescopic rod; 22. a support pillar; 23. and (4) sucking discs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, an audio signal processing device includes a housing 1, an audio circuit 2, a signal input port 3, a signal output port 4, and a dust screen body 5, wherein the signal input port 3 and the signal output port 4 are both installed on the front side of the housing 1, a through groove 6 is formed through the right side of the front side of the housing 1, the dust screen body 5 is located in front of the through groove 6, a connecting plate 7 is installed on the back side of the dust screen body 5, a small vibration motor 8 is bolted on the top of the connecting plate 7, a partition plate 9 is bolted on the inside of the housing 1 and behind the through groove 6, a heat dissipation fan 10 is embedded on the surface of the partition plate 9, sliding grooves 13 are formed on the left and right sides of the through groove 6 on the front side of the housing 1, fixing plates 11 are installed on the left and right sides of the dust screen body 5, sliders 12 are bolted, a bottom shell 14 is bolted at the bottom of the shell 1, the left side and the right side of the bottom shell 14 are respectively communicated with a water inlet pipe 15 and a water outlet pipe 16, a plurality of heat-conducting columns 18 are bolted in the bottom shell 14, the top ends of the heat-conducting columns 18 penetrate into the shell 1 and are adhered with heat-conducting blocks 19, and the top of the heat conduction block 19 and the bottom of the audio circuit 2 are in contact with each other, the top of the housing 1 is provided with a protection mechanism 20, the device has better heat dissipation effect, can clean the dust screen on the surface of the device, enables the circuit to run more stably, solves the problems that the existing audio signal processing device has poor heat dissipation effect, the circuit of the device is easy to rise in temperature when running for a long time, and the circuit running is influenced, and the dust screen of the equipment is easily covered with dust in the long-term use process, so that partial meshes are blocked, the flow of the air in the equipment is greatly reduced, and the heat dissipation effect is greatly reduced.

As shown in fig. 5, the protection mechanism 20 includes a protection plate 201, a damping spring 203 and a crash pad 202, the damping spring 203 is provided in a plurality of numbers and is installed at the bottom of the protection plate 201, the other end of the damping spring 203 is fixed to the surface of the top of the housing 1, the crash pad 202 is adhered to the surface of the top of the protection plate 201, through the protection plate 201, the damping spring 203 and the crash pad 202 are arranged, they are used in cooperation to perform crash protection at the top of the housing 1, so that the small object is prevented from being hit to the top of the device, the surface of the housing 1 is damaged, or the internal circuit is damaged due to impact force.

As shown in fig. 5, the telescopic rods 21 are bolted to the left and right sides of the top of the housing 1, the top ends of the telescopic rods 21 are bolted to the surface of the bottom of the protection plate 201, and the protection plate 201 can only move in the vertical direction through the arrangement of the telescopic rods 21, so that the protection plate 201 is prevented from being bent due to left-right or front-back deviation, and the damping spring 203 is prevented from being bent.

As shown in fig. 5, the crash pad 202 is made of damping rubber, the area of the protection plate 201 is larger than the area of the top of the housing 1, the area of the crash pad 202 is the same as the area of the protection plate 201, the area of the protection plate 201 is larger than the area of the top of the housing 1, the protection range of the protection plate 201 covers the top of the entire housing 1, and the protection performance of the device is improved.

As shown in fig. 1 and 6, a plurality of baffles 17 are bolted to the inside of the bottom shell 14, and the baffles 17 are staggered from left to right, so that the running water meanders in the inside of the shell 1 through the arrangement of the baffles 17, the stay time of the running water is prolonged, and the heat absorption effect of the running water is improved.

As shown in fig. 1 and 5, support columns 22 are bolted to four corners of the bottom shell 14, suction cups 23 are mounted at the bottoms of the support columns 22, the suction cups 23 can fix the device to a placement plane through the support columns 22 and the suction cups 23, and the support columns 22 can fix the suction cups 23 to the bottom shell 14.

As shown in fig. 5, the whole of the heat conducting block 19 is cylindrical, and the material of the heat conducting block 19 is heat conducting silicone, which has thermal conductivity and insulation property, so as to prevent the current in the audio circuit 2 from being transmitted to the inside of the heat conducting column 18.

a: firstly, a signal input port 3 and a signal output port 4 are externally connected with signal wires, and then signals are transmitted to an audio circuit 2 through the signal input port 3;

b: at the moment, the signal enters a recording circuit in the audio circuit 2, the audio signal is equalized and amplified in the audio recording circuit through a recording equalizing amplifier, and then a bias signal is added through a superaudio oscillator to improve distortion and improve the stability of transmission;

c: then the audio signal is transmitted to the audio magnetic head to be recorded on the magnetic tape, the audio magnetic head picks up and converts the track signal on the magnetic tape into an electric signal, and the electric signal is equalized and amplified by a playback equalizing amplifier in the audio circuit 2 and then is restored into a sound signal.

The working principle is as follows: when the audio circuit works, firstly, the water inlet pipe 15 and the water outlet pipe 16 are externally connected with a tap water pipeline, then tap water with lower temperature is thrown into the water inlet pipe 15, at the moment, the tap water enters the bottom shell 14, as the temperature of flowing tap water is usually 20-25 ℃, the temperature is far lower than the temperature when the audio circuit 2 runs, at the moment, heat generated by the audio circuit 2 in the working process is directly transmitted into the bottom shell 14 through the heat conduction block 19 and the heat conduction column 18, and then the heat is absorbed by the tap water, at the moment, the temperature of the audio circuit 2 is greatly reduced, and the circuit runs more stably; when the surface covering of dust screen body 5 has the dust, open small-size shock motor 8, it drives connecting plate 7 and dust screen body 5 together and begins to shake, fixed plate 11 simultaneously, the setting of slider 12 and spout 13, make dust screen body 5 only can the up-and-down motion, dust screen body 5 shakes off the dust on self surface in the up-and-down motion, the realization is carried out the effect of clearing up to the dust, avoid the dust screen to be covered by the dust, promote the radiating effect of this equipment self.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An audio signal processing device, comprising a casing (1), an audio circuit (2), a signal input port (3), a signal output port (4) and a dust filter body (5), characterized in that: the described The signal input port (3) and the signal output port (4) are both installed on the front of the housing (1), and a through slot (6) is formed through the right side of the front of the housing (1), and the dust filter body ( 5) Located in front of the through groove (6), a connecting plate (7) is installed on the back of the dust filter body (5), and a small vibration motor (8) is bolted on the top of the connecting plate (7). A partition plate (9) is bolted inside the casing (1) and located behind the through groove (6), a cooling fan (10) is embedded on the surface of the partition plate (9), and the casing (1) The front of the dust filter (6) is provided with sliding grooves (13) on the left and right sides, and the left and right sides of the dust filter body (5) are provided with fixing plates (11), the fixing plates (11). A slider (12) is bolted on the back of the casing (1), and the slider (12) is slidably connected with the inner wall of the chute (13). The left and right sides of the shell (14) are respectively connected with a water inlet pipe (15) and a water outlet pipe (16). The top end penetrates into the interior of the casing (1) and is bonded with a thermally conductive block (19), and the top of the thermally conductive block (19) and the bottom of the audio circuit (2) are in contact with each other, and the top of the casing (1) is provided with protective mechanism (20).

2 . The audio signal processing device according to claim 1 , wherein the protective mechanism ( 20 ) comprises a protective plate ( 201 ), a shock-absorbing spring ( 203 ) and a crash pad ( 202 ), and the The number of shock-absorbing springs (203) is several and is installed at the bottom of the protective plate (201). The other end of the shock-absorbing spring (203) is fixed to the surface of the top of the housing (1). (202) is glued to the surface of the top of the protective plate (201).

3. An audio signal processing device according to claim 2, characterized in that: telescopic rods (21) are bolted on the left and right sides of the top of the casing (1), and the telescopic rods (21) are The top end and the surface of the bottom of the protective plate (201) are bolted to each other.

4 . The audio signal processing device according to claim 2 , wherein the material of the crash pad ( 202 ) is shock-absorbing rubber, and the area of the protective plate ( 201 ) is larger than that of the housing ( 1 ). 5 . The area of the top, and the area of the crash pad (202) is the same as the area of the fender (201).

5. An audio signal processing device according to claim 1, characterized in that: a plurality of baffles (17) are bolted inside the bottom case (14), and the baffles (17) are from left to right Staggered distribution.

6 . The audio signal processing device according to claim 1 , wherein the four corners of the bottom of the bottom case ( 14 ) are all bolted with support columns ( 22 ), and the bottom of the support columns ( 22 ) is installed at the bottom. 7 . There are suction cups (23).

7 . The audio signal processing device according to claim 1 , wherein the heat conducting block ( 19 ) has a cylindrical shape as a whole, and the material of the heat conducting block ( 19 ) is heat conducting silica gel. 8 .

8. The signal processing method of an audio signal processing device according to any one of claims 1-7, wherein the method comprises the following steps:

a: First connect the signal input port (3) and the signal output port (4) with an external signal line, and then the signal is transmitted to the audio circuit (2) through the signal input port (3);

b: At this time, the signal enters the recording circuit in the audio circuit (2). The audio signal is equalized and amplified by the recording equalization amplifier in the audio recording circuit, and then the bias signal is added through the super audio oscillator to improve the distortion and improve the transmission efficiency. Stablize;

c: The audio signal is then sent to the audio head and recorded on the tape. The audio head picks up the track signal on the tape and converts it into an electrical signal, which is equalized and amplified by the playback equalization amplifier in the audio circuit (2), and then restored. into a sound signal.