CN221103489U - Multistage multichannel power amplifier structure that heat dispersion is good - Google Patents
Multistage multichannel power amplifier structure that heat dispersion is good Download PDFInfo
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- CN221103489U CN221103489U CN202322247034.8U CN202322247034U CN221103489U CN 221103489 U CN221103489 U CN 221103489U CN 202322247034 U CN202322247034 U CN 202322247034U CN 221103489 U CN221103489 U CN 221103489U
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- power amplifier
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- lining plate
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- 239000006185 dispersion Substances 0.000 title claims abstract description 5
- 230000017525 heat dissipation Effects 0.000 claims abstract description 14
- 239000000428 dust Substances 0.000 claims description 6
- 230000035945 sensitivity Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 229910000838 Al alloy Inorganic materials 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 11
- 229910052782 aluminium Inorganic materials 0.000 description 11
- 230000003321 amplification Effects 0.000 description 11
- 238000003199 nucleic acid amplification method Methods 0.000 description 11
- 238000009423 ventilation Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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Abstract
The utility model discloses a multistage multichannel power amplifier structure with good heat dissipation performance, which comprises a power amplifier main body and a front lining plate, wherein the front lining plate is arranged in front of the power amplifier main body, a rear lining plate is arranged behind the power amplifier main body, two sides of the bottom end inside the power amplifier main body are respectively provided with a radiator, and an alternating current starting plate module is arranged in the center between the radiators. This multistage multichannel power amplifier structure that heat dispersion is good is through installing power amplifier module A at the inside left rear of power amplifier main part, is installing power amplifier module A, power amplifier module B, power amplifier module C and power amplifier module D on the novel aluminium alloy radiator of both sides respectively symmetry, and power strip module and transformer on the cooperation both sides again to realize the three-stage power supply's of multichannel power amplifier mode and control the machine and change the signal, under the condition of effectively guaranteeing the sound quality, improved output efficiency, solved the limited problem of power amplifier effect.
Description
Technical Field
The utility model relates to the technical field of power amplifiers, in particular to a multistage multichannel power amplifier structure with good heat dissipation performance.
Background
The power amplifier is an important part of sound equipment, and can input and output signals through wires so as to amplify weak signals and play the signals to the outside environment through a loudspeaker, and the power amplifier board provided by the prior art generally adopts two stages of amplification at most, and is commonly used as an amplifier of an H-class power amplifier circuit and an AB-class power amplifier circuit, but the power amplifier effect cannot be suitable for occasions with higher tone quality requirements, the requirements of people are difficult to meet, and the use effect is greatly reduced.
At present, a novel multi-stage multi-channel power amplifier structure with good heat dissipation performance is provided to solve the problems.
Disclosure of Invention
The utility model aims to provide a multistage multichannel power amplifier structure with good heat dissipation performance, so as to solve the problem that the power amplifier effect is limited in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a multistage multichannel power amplifier structure that heat dispersion is good, includes power amplifier main part and preceding welt, the place ahead of power amplifier main part is provided with preceding welt, the rear of power amplifier main part is provided with back welt, the radiator is installed respectively to the both sides of the inside bottom of power amplifier main part, the center department between the radiator installs the interchange starter plate module, the left rear of power amplifier main part inside installs power amplifier module A, power amplifier module B is installed in the place ahead of power amplifier module A, power amplifier module C is installed in the place ahead of power amplifier main part inside right rear, power amplifier module D is installed in the place ahead of power amplifier module C, two sets of fans are installed respectively to the both sides of power amplifier main part bottom center department, power panel module is installed respectively to the both sides of power amplifier main part bottom front center department, the both sides of power amplifier main part are installed respectively curb plate, the top of power amplifier main part is provided with power amplifier main part's top board, the bottom of power amplifier main part is provided with the power amplifier bottom plate, the power amplifier is provided with between the first roof and the power amplifier bottom plate, the power amplifier is connected with the top plate; the inside both sides of preceding welt are provided with the fresh air inlet respectively, the inside both sides of back welt are provided with the fresh air outlet respectively, the place ahead of preceding welt transversely is provided with the panel, the inside joint of panel both sides has the dust screen respectively, swing joint has the second screw between the one end of panel and preceding welt, the cardboard is installed to the top between panel and the power amplifier main part.
Preferably, the power amplifier module a, the power amplifier module B, the power amplifier module C and the power amplifier module D are respectively located above the radiator, and the power panel modules are symmetrically arranged on two sides of the transformer.
Preferably, the air inlet holes and the air outlet holes are in the same horizontal plane, and the number of the air inlet holes is equal to the number of the air outlet holes.
Preferably, the dustproof net is arranged in front of the air inlet hole, and the front lining plate is arranged between the power amplifier main body and the panel.
Preferably, the power switch above the center of the interior of the front lining plate, the two sides of the power switch are respectively provided with an indicator light, a volume regulator is transversely arranged below the power switch and the indicator light, a power wire slot is arranged above the center of the interior of the rear lining plate, one side of the power wire slot is provided with a safety seat, the two sides of the center of the rear lining plate are respectively provided with an audio input hole, the outer sides of the audio input holes are respectively provided with four groups of audio output holes, and the two sides between the audio input holes and the audio output holes are respectively provided with a sensitivity switch.
Compared with the prior art, the utility model has the beneficial effects that: the multistage multichannel power amplifier structure with good heat dissipation performance not only realizes multi-module power amplification and facilitates ventilation and heat dissipation, but also facilitates control of the power amplifier;
The power amplifier is characterized in that the power amplifier module A is arranged at the left rear part of the inside of the power amplifier main body, the power amplifier module A, the power amplifier module B, the power amplifier module C and the power amplifier module D are symmetrically arranged on the novel aluminum profile radiators at the two sides respectively, and then the power panel modules and the transformers at the two sides are matched to control the machine to exchange signals in a multi-channel power amplifier three-stage power supply mode, so that the output efficiency is improved under the condition of effectively ensuring the sound quality, and various wiring grooves, power switches, indicator lamps and volume regulators are arranged on the front lining board and the rear lining board, so that the power amplifier can be assisted to use by people;
The radiator is respectively arranged at two sides of the bottom end of the power amplifier main body, the original volume is reduced by adopting the novel aluminum profile radiator, the heating value of the power amplifier main body is reduced, the two sides of the front lining plate and the rear lining plate are respectively provided with the parallel air inlet hole and the parallel air outlet hole, and the fan arranged at the center of the bottom of the power amplifier main body is matched to realize the rapid ventilation and heat dissipation of the device;
Through being provided with the power wire casing in the inside center department top of back welt, in the socket mouth that corresponds such as audio output hole, audio input hole, power wire casing department equipment electric wire, quick adjustment weak signal under the conversion of inside transformer, toggle switch, rotatory volume regulator in preceding welt department according to own demand, the fluctuation according to the pilot lamp is adjusted the size of sound slowly, and is simple and understandable.
Drawings
FIG. 1 is a schematic elevational view of the present utility model;
FIG. 2 is a schematic rear view of the present utility model;
FIG. 3 is a schematic view of the bottom view of the present utility model;
fig. 4 is a schematic front view of the panel of the present utility model.
In the figure: 1. a power amplifier main body; 2. a top plate; 3. a first screw; 4. an air inlet hole; 5. a side plate; 6. a rear lining plate; 7. an indicator light; 8. a volume adjuster; 9. a power switch; 10. a bottom plate; 11. a front liner plate; 12. an audio output aperture; 13. a safety seat; 14. a power supply wire slot; 15. an audio input hole; 16. a sensitivity switch; 17. an air outlet hole; 18. a heat sink; 19. a power amplifier module A; 20. a power amplifier module B; 21. an alternating current starting plate module; 22. a power amplifier module C; 23. a power amplifier module D; 24. a fan; 25. a power panel module; 26. a transformer; 27. a clamping plate; 28. a panel; 29. a dust screen; 30. and a second screw.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1: referring to fig. 1-4, a multistage multichannel power amplifier structure with good heat dissipation performance comprises a power amplifier main body 1 and a front lining plate 11, wherein the front lining plate 11 is arranged in front of the power amplifier main body 1, a rear lining plate 6 is arranged at the rear of the power amplifier main body 1, two sides of the bottom end in the power amplifier main body 1 are respectively provided with a radiator 18, an alternating current starting plate module 21 is arranged in the center between the radiators 18, an active power amplifier module A19 is arranged at the left rear of the inside of the power amplifier main body 1, an active power amplifier module B20 is arranged in front of the active power amplifier module A19, a power amplifier module D23 is arranged in front of the power amplifier module C22, two groups of fans 24 are respectively arranged at two sides of the center of the bottom of the power amplifier main body 1, a power source plate module 25 is respectively arranged at two sides of the front of the bottom of the power amplifier main body 1, a transformer 26 is arranged at the center of the front of the bottom of the power amplifier main body 1, side plates 5 are respectively arranged at two sides of the power amplifier main body 1, an active power amplifier main body 2 is arranged at the top of the power amplifier main body 1, an active power amplifier main body 10 is connected with a top plate 10, and a top plate 10 is arranged between the top plate 1 and the power amplifier main body 1 and the top plate 10;
The power amplification module A19, the power amplification module B20, the power amplification module C22 and the power amplification module D23 are respectively positioned above the radiator 18, and the power panel modules 25 are symmetrically arranged on two sides of the transformer 26;
Specifically, as shown in fig. 1 and fig. 2, the power amplifier module a19, the power amplifier module B20, the power amplifier module C22 and the power amplifier module D23 are symmetrically installed on the novel aluminum profile radiator 18 on two sides respectively, and then the power panel module 25 and the transformer 26 on two sides are matched to control the machine to exchange signals in a mode of realizing three-stage power supply of the multi-channel power amplifier, so that the output efficiency is improved under the condition of effectively ensuring the sound quality.
Example 2: the two sides of the interior of the front lining plate 11 are respectively provided with an air inlet hole 4, the two sides of the interior of the rear lining plate 6 are respectively provided with an air outlet hole 17, the front of the front lining plate 11 is transversely provided with a panel 28, the interiors of the two sides of the panel 28 are respectively clamped with a dustproof net 29, a second screw 30 is movably connected between the panel 28 and one end of the front lining plate 11, a clamping plate 27 is arranged above the space between the panel 28 and the power amplifier main body 1, the air inlet holes 4 and the air outlet holes 17 are in the same horizontal plane, the number of the air inlet holes 4 and the air outlet holes 17 are equal, the dustproof net 29 is arranged in front of the air inlet holes 4, and the front lining plate 11 is arranged between the power amplifier main body 1 and the panel 28;
Specifically, as shown in fig. 1 and 3, the novel aluminum profile radiator 18 adopted reduces the original volume, reduces the heat productivity inside the power amplifier main body 1, and the two sides of the front lining plate 11 and the rear lining plate 6 are respectively provided with the parallel air inlet holes 4 and the air outlet holes 17, and the fan 24 arranged at the center of the bottom of the power amplifier main body 1 is matched to realize the rapid ventilation and heat dissipation of the device, and the outside of the front lining plate 11 is provided with the protective cover consisting of the clamping plate 27 and the panel 28, so that dust is trapped through the dust screen 29, and the device is convenient to detach and clean.
Example 3: the power switch 9 is arranged above the center of the interior of the front lining plate 11, the indicator lamps 7 are respectively arranged on two sides of the power switch 9, the volume regulator 8 is transversely arranged below the gap between the power switch 9 and the indicator lamps 7, the power wire slot 14 is arranged above the center of the interior of the rear lining plate 6, the safety seat 13 is arranged on one side of the power wire slot 14, the audio input holes 15 are respectively arranged on two sides of the center of the rear lining plate 6, four groups of audio output holes 12 are respectively arranged on the outer sides of the audio input holes 15, and the sensitivity switches 16 are respectively arranged on two sides between the audio input holes 15 and the audio output holes 12;
specifically, as shown in fig. 1 and fig. 4, the wires are assembled at the corresponding socket ports, such as the audio output hole 12, the audio input hole 15 and the power line slot 14, the weak signal is quickly adjusted by the conversion of the internal transformer 26, the power switch 9 is toggled, the volume adjuster 8 is rotated at the front lining plate 11 according to the own requirement, and the sound is slowly adjusted according to the fluctuation of the indicator lamp 7, so that the portable sound volume adjuster is convenient to operate and carry.
Working principle: when the novel aluminum profile radiator 18 is used, the power amplification module A19, the power amplification module B20, the power amplification module C22 and the power amplification module D23 are symmetrically arranged on the novel aluminum profile radiator 18 on two sides respectively, then the power panel module 25 and the transformer 26 on two sides are matched to control the machine to exchange signals in a multi-channel power amplification three-level power supply mode, under the condition that sound quality is effectively ensured, the output efficiency is improved, the novel aluminum profile radiator 18 adopted in the novel aluminum profile radiator reduces the original volume, the heat productivity in the power amplifier main body 1 is reduced, parallel air inlet holes 4 and air outlet holes 17 are respectively arranged on two sides of the front lining plate 11 and the rear lining plate 6, a fan 24 arranged in the center of the bottom of the power amplifier main body 1 is matched to realize quick ventilation and heat dissipation of the novel aluminum profile radiator, a protective cover consisting of a clamping plate 27 and a panel 28 is arranged on the outer side of the front lining plate 11, dust and foreign matters are blocked through a dustproof net 29 on two sides, the novel aluminum profile radiator is convenient to detach and install, and finally an electric wire is assembled at a position of a corresponding socket port such as an audio output hole 12, an audio output hole 15 and a wire slot 14, the electric wire is arranged at the position, the position of the power supply groove 14 is adjusted according to the change-over signal of the corresponding power supply voltage transformer 26, the sound volume of the novel aluminum profile radiator is adjusted according to the requirements, and the sound volume of the sound level of the front lining plate is adjusted by adjusting the 7 by the driver, and the driver is adjusted according to the requirement of the change of the signal is small-down, and the speed of the signal is adjusted.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a multistage multichannel power amplifier structure that heat dispersion is good, includes power amplifier main part (1) and preceding welt (11), its characterized in that: the power amplifier comprises a power amplifier main body (1), wherein a front lining plate (11) is arranged in front of the power amplifier main body (1), a rear lining plate (6) is arranged behind the power amplifier main body (1), two sides of the bottom center of the power amplifier main body (1) are respectively provided with a radiator (18), an alternating current starting plate module (21) is arranged at the center between the radiator (18), an active power amplifier module A (19) is arranged at the left rear of the inside of the power amplifier main body (1), an active power amplifier module B (20) is arranged in front of the power amplifier module A (19), an active power amplifier module C (22) is arranged at the right rear of the inside of the power amplifier main body (1), an active power amplifier module D (23) is arranged in front of the power amplifier module C (22), two sides of the bottom center of the power amplifier main body (1) are respectively provided with two groups of fans (24), an active power panel module (25) is arranged at the two sides of the front of the bottom of the power amplifier main body (1), an active power panel (26) is arranged at the center of the front of the bottom of the power amplifier main body (1), and a top plate (2) is arranged at the top plate (2) of the top of the power amplifier main body (1) A first screw (3) is connected between the bottom plate (10) and the power amplifier main body (1); the novel power amplifier is characterized in that air inlet holes (4) are respectively formed in two sides of the interior of the front lining plate (11), air outlet holes (17) are respectively formed in two sides of the interior of the rear lining plate (6), a panel (28) is transversely arranged in front of the front lining plate (11), dust screens (29) are respectively clamped in the interiors of the two sides of the panel (28), a second screw (30) is movably connected between the panel (28) and one end of the front lining plate (11), and a clamping plate (27) is arranged above the panel (28) and the power amplifier body (1).
2. The multi-stage and multi-channel power amplifier structure with good heat dissipation performance as set forth in claim 1, wherein: the power amplifier module A (19), the power amplifier module B (20), the power amplifier module C (22) and the power amplifier module D (23) are respectively positioned above the radiator (18), and the power panel modules (25) are symmetrically arranged on two sides of the transformer (26).
3. The multi-stage and multi-channel power amplifier structure with good heat dissipation performance as set forth in claim 1, wherein: the air inlet holes (4) and the air outlet holes (17) are positioned on the same horizontal plane, and the number of the air inlet holes (4) is equal to the number of the air outlet holes (17).
4. The multi-stage and multi-channel power amplifier structure with good heat dissipation performance as set forth in claim 1, wherein: the dustproof net (29) is arranged in front of the air inlet hole (4), and the front lining plate (11) is arranged between the power amplifier main body (1) and the panel (28).
5. The multi-stage and multi-channel power amplifier structure with good heat dissipation performance as set forth in claim 1, wherein: the utility model discloses a sound volume control device for a mobile phone, including front welt (11) and back welt, front welt (6) are provided with respectively, front welt (6) inside center department top switch (9), the both sides of switch (9) are provided with pilot lamp (7) respectively, the below between switch (9) and pilot lamp (7) transversely is provided with volume regulator (8), back welt (6) inside center department top is provided with power wire casing (14), one side of power wire casing (14) is provided with strongseat (13), the both sides of back welt (6) center department are provided with audio input hole (15) respectively, the outside of audio input hole (15) is provided with four audio output holes (12), both sides between audio input hole (15) and audio output hole (12) are provided with sensitivity switch (16) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322247034.8U CN221103489U (en) | 2023-08-21 | 2023-08-21 | Multistage multichannel power amplifier structure that heat dispersion is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322247034.8U CN221103489U (en) | 2023-08-21 | 2023-08-21 | Multistage multichannel power amplifier structure that heat dispersion is good |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221103489U true CN221103489U (en) | 2024-06-07 |
Family
ID=91306574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322247034.8U Active CN221103489U (en) | 2023-08-21 | 2023-08-21 | Multistage multichannel power amplifier structure that heat dispersion is good |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221103489U (en) |
-
2023
- 2023-08-21 CN CN202322247034.8U patent/CN221103489U/en active Active
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