CN220570650U - Low-noise anti-interference digital power amplifier system - Google Patents
Low-noise anti-interference digital power amplifier system Download PDFInfo
- Publication number
- CN220570650U CN220570650U CN202322218779.1U CN202322218779U CN220570650U CN 220570650 U CN220570650 U CN 220570650U CN 202322218779 U CN202322218779 U CN 202322218779U CN 220570650 U CN220570650 U CN 220570650U
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- China
- Prior art keywords
- power amplifier
- box
- sides
- amplifier box
- sound absorbing
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- 229920000742 Cotton Polymers 0.000 claims abstract description 37
- 239000002184 metal Substances 0.000 claims abstract description 13
- 230000035939 shock Effects 0.000 claims abstract description 12
- 239000011229 interlayer Substances 0.000 claims abstract description 6
- 230000003321 amplification Effects 0.000 claims description 18
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 18
- 238000009423 ventilation Methods 0.000 claims description 15
- 230000017525 heat dissipation Effects 0.000 claims description 13
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 230000003584 silencer Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Casings For Electric Apparatus (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model relates to the technical field of digital power amplifier equipment, in particular to a low-noise anti-interference digital power amplifier system, which comprises a power amplifier box, wherein the inside of the power amplifier box is hollow, the rear of the power amplifier box is open, sound absorbing cotton is arranged around the inside of the power amplifier box, and metal shielding plates are arranged on two sides of the outside of the power amplifier box. The utility model has the advantages that: the power amplifier box is used as an equipment main body, the inside of the power amplifier box is hollow, the rear side of the power amplifier box is provided with an opening, an inner box is fixedly connected to the inside of the power amplifier box, sound absorbing cotton is arranged between the power amplifier box and the inner wall of the power amplifier box, an interlayer is formed by the sound absorbing cotton, sound generated by equipment in the power amplifier box during operation can be absorbed, a noise reduction effect is achieved, shock pads are clamped on two sides of the bottom surface of the power amplifier box, the placement of the power amplifier box can be facilitated, vibration between the power amplifier box and a placement position can be reduced, meanwhile, standing grooves are formed in two concave sides of the outer surface of the power amplifier box, and metal shielding plates are arranged in the two standing grooves, so that the anti-interference capability of the power amplifier box can be improved.
Description
Technical Field
The utility model relates to the technical field of digital power amplification equipment, in particular to a low-noise anti-interference digital power amplification system.
Background
A power amplifier, commonly referred to as a "power amplifier," is an amplifier that is capable of producing maximum power output to drive a speaker under a given distortion condition, and is composed of a lamp or transistor, a power transformer, and other electrical components.
The utility model provides a low-noise anti-interference digital power amplifier system, which is used for solving the problems.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a low-noise anti-interference digital power amplifier system, which effectively solves the defects of the prior art.
In order to achieve the above objective, an embodiment of an aspect of the present utility model provides a low noise anti-interference digital power amplification system, which includes a power amplification box, the inside of the power amplification box is hollow, and the back of the power amplification box is open, sound absorbing cotton is disposed around the inside of the power amplification box, metal shielding plates are disposed on two sides of the outside of the power amplification box, shock absorbing pads are disposed on two sides of the bottom surface of the power amplification box, a box cover is disposed inside the back opening of the power amplification box, a heat dissipation fan is disposed in the middle of the box cover, sound absorbing cotton plates are disposed on the outer side of the heat dissipation fan, and silencers are disposed on two sides of the outside of the box cover.
By the preferred inside fixedly connected with inner box of above-mentioned arbitrary scheme, keep the interval between the two, form the intermediate layer space, inhale the sound cotton and be located the inside in intermediate layer space, can be convenient for install equipment in the inner box through using this scheme, inhale the sound cotton and can absorb the noise that equipment operation produced.
By any of the above schemes, preferably, both sides of the outer surface of the power amplifier box are concavely formed with placing grooves, and the two metal shielding plates are respectively located inside the two placing grooves.
By above-mentioned arbitrary scheme preferred, the draw-in groove has all been seted up to the both sides of power amplifier case bottom surface, two the shock pad card respectively in two the inside of draw-in groove can be convenient for install and dismantle the shock pad through this scheme of use.
By the preferred mode of above-mentioned arbitrary scheme, ventilation groove has all been seted up at the middle part of case lid surface, the radiator fan with inhale the sound cotton board and all be located ventilation groove's inside, the mounting groove has all been seted up to ventilation groove inside inboard, the inside of mounting groove is provided with inhales the sound cotton circle, inhale the sound cotton circle the internal surface with the outside contact of radiator fan.
In any of the above embodiments, it is preferable that a plurality of vent holes are formed in both sides of the outside of the case cover, and the plurality of mufflers are respectively located in the vent holes.
The utility model has the following advantages:
1. this low noise anti-interference's digital power amplifier system is by the power amplifier case as the equipment main part, the inside cavity of power amplifier case, and the rear side opening, install the sound absorption cotton between the inside fixedly connected with inner box of power amplifier case, it and the inner wall of power amplifier case, inhale the sound cotton formation intermediate layer, can absorb the sound that the work of power amplifier incasement equipment produced, play the effect of making an uproar falls, wherein, the shock pad is equipped with to both sides card at power amplifier case bottom surface, can be convenient for the power amplifier case place, and can reduce its and the vibrations between the department of placing, simultaneously, the both sides indent of power amplifier case surface forms the standing groove, the internally mounted of two standing grooves has the metal shield board, can improve the interference killing feature of this power amplifier case by it.
2. This low noise anti-interference's digital power amplifier system has the case lid at power amplifier case back open-ended internally mounted, and the mid-mounting of case lid has the heat dissipation fan, and the outside and the mounted position of heat dissipation fan are provided with respectively and inhale the sound cotton board and inhale the sound cotton circle, can make the sound dissipation fan silence operation, makes it dispel the heat to the inside of power amplifier case, simultaneously, in order to guarantee the normal circulation of air, all installs a plurality of silencers in the outside both sides of case lid, can carry out the sound processing of falling to the wind sound that the air flow produced, satisfies the needs of using.
Drawings
FIG. 1 is a schematic view of a first perspective of the overall structure of the present utility model;
FIG. 2 is a schematic view of a second perspective of the overall structure of the present utility model;
FIG. 3 is a schematic view of the internal structure of FIG. 1 according to the present utility model;
fig. 4 is a schematic structural diagram of the power amplifier box in the present utility model;
fig. 5 is a schematic structural view of a case cover according to the present utility model.
In the figure: 1-power amplifier box, 2-case lid, 3-inhale the sound cotton, 4-metal shield plate, 5-inhale the sound cotton board, 6-silencer, 7-shock pad, 8-ventilation groove, 9-inhale the sound cotton circle, 10-inner box, 11-standing groove, 12-draw-in groove, 13-ventilation hole, 14-ventilation groove, 15-mounting groove.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following.
As shown in fig. 1 to 5, a low-noise anti-interference digital power amplification system comprises a power amplification box 1, wherein the power amplification box 1 is hollow, and is provided with an opening at the back, sound absorbing cotton 3 is arranged around the inside of the power amplification box 1, metal shielding plates 4 are arranged on two sides of the outside of the power amplification box 1, shock pads 7 are arranged on two sides of the bottom surface of the power amplification box 1, a box cover 2 is arranged in the inside of the opening at the back of the power amplification box 1, a heat dissipation fan 8 is arranged in the middle of the box cover 2, sound absorbing cotton plates 5 are arranged on the outer side of the heat dissipation fan 8, and silencers 6 are arranged on two sides of the outside of the box cover 2.
The inner box 10 is fixedly connected to the inside of the power amplifier box 1, an interlayer space is formed between the inner box 10 and the power amplifier box, and the sound-absorbing cotton 3 is positioned in the interlayer space.
The two sides of the outer surface of the power amplifier box 1 are both concavely provided with the placing grooves 11, and the two metal shielding plates 4 are respectively positioned in the two placing grooves 11, so that in practical application, the metal shielding plates 4 can be fixed in the placing grooves 11 through glue, bolts or the like to achieve the purpose of convenient installation and disassembly.
Clamping grooves 12 are formed in two sides of the bottom surface of the power amplifier box 1, two shock pads 7 are respectively clamped in the two clamping grooves 12, and as an alternative technical scheme of the utility model, the shock pads 7 can be fixedly installed through bolts and the like, and the shock pads 7 can be made of rubber materials and are softer in texture and used for absorbing vibration.
The middle part of the outer surface of the case cover 2 is provided with ventilation grooves 14, the heat dissipation fan 8 and the sound absorption cotton plate 5 are both positioned in the ventilation grooves 8, the inner side of the ventilation grooves 14 is provided with mounting grooves 15, the inside of the mounting grooves 15 is provided with sound absorption cotton rings 9, the inner surfaces of the sound absorption cotton rings 9 are in contact with the outer parts of the heat dissipation fan 8, and as an alternative technical scheme of the utility model, the sound absorption cotton plate 5 and the sound absorption cotton rings 9 can absorb vibration generated by the operation of the heat dissipation fan 8, and sound absorption cotton has certain air permeability and cannot influence air flow.
The two sides of the outer part of the case cover 2 are provided with a plurality of vent holes 13, and a plurality of silencers 6 are respectively positioned in the vent holes 13, so that the silencer 6 is a common part in the market, such as a solenoid valve silencer, as an alternative technical scheme of the utility model, and can reduce the air flow sound on the premise of not influencing ventilation, wherein the silencer 6 can be in threaded connection with the vent holes 13 so as to achieve the aim of convenient assembly and disassembly.
The characteristics, the assembly mode, the use process and the realized functions of each component in the utility model are as follows: the power amplifier box 1 is used as an equipment main body, the inside of the power amplifier box 1 is hollow, the rear side of the power amplifier box 1 is opened, the inner box 10 is fixedly connected to the inside of the power amplifier box 1, the sound absorbing cotton 3 is installed between the power amplifier box 1 and the inner wall of the power amplifier box 1, the sound absorbing cotton 3 forms an interlayer, the sound generated by the equipment operation in the power amplifier box 1 can be absorbed, the noise reduction effect is achieved, the shock pads 7 are clamped on the two sides of the bottom surface of the power amplifier box 1, the placement of the power amplifier box 1 can be conveniently carried out, vibration between the power amplifier box 1 and the placement can be reduced, meanwhile, the two sides of the outer surface of the power amplifier box 1 are concavely provided with the placing grooves 11, the metal shielding plates 4 are installed in the two placing grooves 11, the anti-interference capability of the power amplifier box 1 can be improved by the metal shielding plates, the box cover 2 is installed in the inside of the opening of the back of the power amplifier box 1, the heat dissipation fan 8 is installed in the middle of the box cover 2, the outer side and the installation position of the heat dissipation fan 8 are respectively provided with the sound absorbing cotton plates 5 and the sound absorbing cotton rings 9, the fan can be enabled to operate in a mute mode, and the inside the power amplifier box 1 can be conveniently carried out, and meanwhile, the two sides of the box 2 can be guaranteed to normally flow through the sound and have a plurality of sound generators installed outside the air and can be normally processed, and the noise can be processed.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A low-noise anti-interference digital power amplifier system is characterized in that: including power amplifier case (1), the inside cavity of power amplifier case (1), and the back opening, be provided with around the inside of power amplifier case (1) and inhale sound cotton (3), the both sides of power amplifier case (1) outside all are provided with metal shield board (4), the both sides of power amplifier case (1) bottom surface all are provided with shock pad (7), the inside of the back opening of power amplifier case (1) is provided with case lid (2), the middle part of case lid (2) is provided with heat dissipation fan (8), the outside of heat dissipation fan (8) is provided with inhales sound cotton board (5), the both sides of case lid (2) outside all are provided with silencer (6).
2. The low noise, anti-interference digital power amplifier system of claim 1, wherein: the power amplifier box is characterized in that an inner box (10) is fixedly connected to the inside of the power amplifier box (1), an interval is reserved between the power amplifier box and the inner box, an interlayer space is formed, and sound absorbing cotton (3) is located in the interlayer space.
3. The low noise, anti-interference digital power amplifier system of claim 2, wherein: the two sides of the outer surface of the power amplifier box (1) are concavely provided with placing grooves (11), and the two metal shielding plates (4) are respectively positioned in the two placing grooves (11).
4. A low noise, interference-resistant digital power amplifier system as defined in claim 3, wherein: clamping grooves (12) are formed in two sides of the bottom surface of the power amplification box (1), and the two shock absorption pads (7) are respectively clamped in the two clamping grooves (12).
5. The low noise, anti-interference digital power amplifier system of claim 4, wherein: the novel sound absorbing cotton box is characterized in that ventilation grooves (14) are formed in the middle of the outer surface of the box cover (2), the heat dissipating fan (8) and the sound absorbing cotton plate (5) are both located inside the ventilation grooves (14), mounting grooves (15) are formed in the inner sides of the ventilation grooves (14), sound absorbing cotton rings (9) are arranged inside the mounting grooves (15), and the inner surfaces of the sound absorbing cotton rings (9) are in contact with the outer sides of the heat dissipating fan (8).
6. The low noise, anti-interference digital power amplifier system of claim 5, wherein: a plurality of ventilation holes (13) are formed in two sides of the outer portion of the box cover (2), and a plurality of silencers (6) are respectively located in the ventilation holes (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322218779.1U CN220570650U (en) | 2023-08-17 | 2023-08-17 | Low-noise anti-interference digital power amplifier system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322218779.1U CN220570650U (en) | 2023-08-17 | 2023-08-17 | Low-noise anti-interference digital power amplifier system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220570650U true CN220570650U (en) | 2024-03-08 |
Family
ID=90089425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322218779.1U Active CN220570650U (en) | 2023-08-17 | 2023-08-17 | Low-noise anti-interference digital power amplifier system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220570650U (en) |
-
2023
- 2023-08-17 CN CN202322218779.1U patent/CN220570650U/en active Active
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