CN213548136U - Multichannel module combination power amplifier that heat dispersion is good - Google Patents
Multichannel module combination power amplifier that heat dispersion is good Download PDFInfo
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- CN213548136U CN213548136U CN202022772548.1U CN202022772548U CN213548136U CN 213548136 U CN213548136 U CN 213548136U CN 202022772548 U CN202022772548 U CN 202022772548U CN 213548136 U CN213548136 U CN 213548136U
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Abstract
The utility model relates to a multichannel module combination power amplifier that heat dispersion is good belongs to power amplifier technical field. The power amplifier comprises a power amplifier case and a functional module inside the power amplifier case, wherein the functional module comprises a first power panel module, a second power panel module, a transformer, a plurality of power amplifier modules and an alternating current starting module. The power amplifier module is provided with a radiating fin and a cooling fan; the rear panel of the power amplifier case is provided with a plurality of audio input holes and a plurality of audio output holes, and two sides of the power amplifier case are respectively provided with two rows of radiating air outlet holes; and the middle part of the front panel of the power amplifier case is provided with a tuning key hole, an indicator light hole, a switch hole and a heat dissipation air inlet hole. The utility model discloses a multichannel module combination power amplifier establishes a plurality of power amplifier passageways through setting up a plurality of power amplifier modules, and every power amplifier module sets up the fin to set up the cooling fan simultaneously and blow the heat dissipation, the radiating effect is guaranteed.
Description
Technical Field
The utility model relates to a power amplifier technical field, concretely relates to multichannel module combination power amplifier mechanism that heat dispersion is good.
Background
The power amplifier is an indispensable core device in the sound system. Mainboard etc. electronic components that generate heat in the power amplifier are towards high-speed, and high-functional development leads to these electronic components that generate heat calorific capacity and density to be bigger and bigger, among the prior art, because the structural design of power amplifier is unreasonable, leads to multiple inconvenient: 1. does not have multi-channel installation; 2. a plurality of installation channels cannot be generated in a modular combination manner; 3. the electronic elements which generate heat can not be radiated in time, so that temperature protection is caused, and the power amplifier can not work normally.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model designs a multi-channel module combined power amplifier with good heat dissipation performance, the power amplifier comprises a power amplifier case and functional modules inside the power amplifier case, the functional modules comprise a first power panel module, a second power panel module, a transformer, a plurality of power amplifier modules and an alternating current starting module, each functional module is arranged on a bottom plate of the power amplifier case, the interior of the power amplifier case is divided into a front part and a rear part, the first power panel module, the second power panel module and the transformer are arranged on the front half part, the AC starting module and the plurality of power amplifier modules are arranged in the rear half part in sequence, each power amplifier module is provided with a heat radiating fin, a cooling fan is correspondingly arranged, the cooling fan is fixed through a fan bracket, and the fan bracket is fixed in the middle of the case and corresponds to the power amplifier module;
the middle part of the rear panel of the power amplifier case is provided with a plurality of audio input holes and a plurality of audio output holes, the number of the audio input holes and the number of the audio output holes are the same as that of the power amplifier modules, the audio input connector and the audio output connector of the power amplifier modules are respectively fixed in the audio input holes and the audio output holes, two sides of the rear panel are respectively provided with two rows of heat dissipation air outlet holes, the central position of the rear panel is provided with a power supply hole, and the power supply hole is internally provided with a power supply connector of the power amplifier;
the power amplifier is characterized in that a plurality of tuning key holes and indicating lamp holes are formed in the middle of a front panel of the power amplifier case, the number of the tuning key holes and the number of the indicating lamp holes are the same as that of the power amplifier module, a volume adjusting knob and a working condition indicating lamp of the power amplifier are respectively located in the tuning key holes and the indicating lamp holes, a switch hole is formed in the central position of the front panel, a power switch of the power amplifier is arranged in the switch hole, and a plurality of rows of heat dissipation air inlets are formed in the two sides of the front panel respectively. The multi-channel function of the power amplifier is realized by arranging a plurality of power amplifier modules, and the single-machine performance is improved; meanwhile, each power amplifier module is provided with a radiating fin and a blowing cooling fan, so that the cooling efficiency is greatly improved, and the normal operation of multiple channels is ensured; the power amplifier case is also designed correspondingly, the use requirements of multiple channels are met, and the front and rear holes are opened for heat dissipation, so that the efficient heat dissipation of the power amplifier is ensured.
Furthermore, the power amplifier is provided with 4 power amplifier modules, namely a power amplifier module A, a power amplifier module B, a power amplifier module C and a power amplifier module D, wherein the power amplifier module A and the power amplifier module B are overlapped, electrically connected with the first power panel module, respectively fixed on the corresponding fan supports through screws, and simultaneously fixed on the bottom plate through screws; the power amplifier module C and the power amplifier module D are overlapped, electrically connected with the second power panel module, respectively fixed on the corresponding fan brackets through screws, and simultaneously fixed on the bottom plate through screws; the alternating current starting module is arranged between the power amplifier module B and the power amplifier module C and is electrically connected with four cooling fans respectively, the rear panel of the power amplifier case is provided with four audio input holes and four audio output holes, and the front panel of the power amplifier case is provided with 4 tuning key holes and 4 indicator lamp holes. The fan and the power amplifier module are powered separately, so that the power supply of the fan is controlled conveniently, and the rotating speed of the fan is adjusted.
Furthermore, the front end and the rear end of the side panels on the left side and the right side of the power amplifier case are respectively provided with a side heat radiation hole. The air intake is increased, and a high heat dissipation effect is provided.
Furthermore, the machine cover is integrally assembled on the upper side of the case, connecting plates are vertically arranged at the left end and the right end of the front half part of the machine cover downwards respectively, and the connecting plates are correspondingly provided with connecting holes with the side panels at the left side and the right side of the case respectively and are fixedly connected through screws.
Furthermore, the front ends of the side panels at the left side and the right side of the case are respectively connected with side lugs through screws, the side lugs are right-angle plates, the front side surfaces of the side lugs are flush with the front panel of the case, and two mounting holes are formed in the side lugs; the rear side end of the side panel exceeds the rear panel, and the exceeding part is provided with two assembling holes. The side lug and the assembly hole at the rear end of the side panel are used for installing the power amplifier in the sound system.
Compared with the prior art, the multichannel module combined power amplifier with good heat dissipation performance, which is designed by the utility model, has the advantages that firstly, the functional units in the power amplifier are assembled by adopting modules, so that the combination and the replacement among the modules are convenient, and the application is convenient and flexible; moreover, the multi-channel function of the single machine is realized by arranging a plurality of power amplifier modules, and the performance of the single machine is improved; each power amplification module is provided with a radiating fin and a cooling fan independently, the fans are cooled in a blowing mode, good cooling and radiating effects are guaranteed, normal operation of the multi-channel machine body is guaranteed, the fans and the power amplification modules are powered separately, and the rotating speed of the fans can be controlled conveniently through power supply; and finally, the case is reasonably designed to meet the application requirements of the multifunctional module, and the case panel is provided with a plurality of rows of heat dissipation holes, so that a good ventilation environment in the case is ensured, and the heat dissipation and cooling efficiency is further improved.
Drawings
FIG. 1 is a schematic diagram of an internal structure of a power amplifier
Fig. 2 is a schematic diagram of a front view structure of a rear panel of a power amplifier case
Fig. 3 is a schematic diagram of a front panel of a power amplifier case
FIG. 4 is a schematic diagram of a front view of a side panel of a power amplifier case
Description of the reference numerals
1 chassis, 2 power amplifier modules, 4 transformers, 5 first power panel modules, 6 second power panel modules, 7 alternating current starting modules, 8 radiating fins, 9 fan brackets, 11 rear panels, 12 front panels, 13 side panels, 14 covers, 15 side lugs, 111 audio input holes, 112 audio output holes, 113 power holes, 114 radiating exhaust holes, 121 switch holes, 122 tuning key holes, 123 indicator light holes, 124 radiating air inlet holes, 131 radiating holes, 132 assembling holes, 141 connecting plates, 142 connecting holes
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the present invention discloses an embodiment of a multi-channel module combined power amplifier with good heat dissipation performance, which includes an outer case 1 and an inner functional module. The functional module is mounted on the bottom plate of the case 1 by screws.
The functional modules of the power amplifier comprise a transformer 4, a first power panel module 5, a second power panel module 6, an alternating current starting module 7 and 4 power amplifier modules 2. The inside of the chassis 1 is divided into a front part and a rear part, the transformer 4 is positioned in the center of the front half part, and the first power panel module 5 and the second power panel module 6 are respectively positioned on the left side and the right side of the transformer 4. The 4 power amplifier modules 2 are positioned at the rear half part of the case 1 and sequentially comprise a power amplifier module A, a power amplifier module B, a power amplifier module C and a power amplifier module D from left to right. 4 power amplifier module 2 disposes fin 8 respectively to correspond respectively and be provided with cooling fan, cooling fan passes through fan bracket 9 to be fixed at the middle part of quick-witted case. The power amplifier module A and the power amplifier module B are overlapped, electrically connected with the first power panel module 5, respectively fixed on the corresponding fan supports 9 through screws, and simultaneously fixed on the bottom plate through screws. The power amplifier module C and the power amplifier module D are overlapped, electrically connected with the second power panel module 6, fixed on the corresponding fan supports 9 respectively through screws, and fixed on the bottom plate through screws. The alternating current starting module 7 is arranged between the tapping module B and the power amplifier module C and is electrically connected with 4 cooling fans. The power amplifier module 2 can be provided with a thermistor, the thermistor is connected with the alternating current starting module 7 through signals, the alternating current starting module 7 controls power supply to the cooling fan according to the thermosensitive signals, the rotating speed of the cooling fan is adjusted, and the cooling fan is changed in speed according to the temperature of the power amplifier module.
Referring to fig. 2, a power supply hole 113 is formed in the center of the rear panel 11 of the chassis 1, 4 circular through holes are respectively formed in two sides of the power supply hole 113, and the 4 circular through holes on each side are 2 audio input holes 111 and 2 audio output holes 112 respectively, and correspond to 4 power amplifier modules 2 inside the chassis 1. The audio input connector and the audio output connector of the power amplifier module 2 are respectively fixed in the audio input hole and the audio output hole through screws. Two rows of heat dissipation air outlets 114 are respectively formed on two sides of the rear panel 11. The power supply hole 113 is provided with a power supply connector of the power amplifier.
Referring to fig. 3, the middle of the front panel 12 of the power amplifier case 1 is provided with 4 tuning key holes 122 and 4 indicator lamp holes 123, which correspond to the 4 power amplifier modules 2 respectively. The volume adjusting knob and the working condition indicating lamp of the power amplifier are respectively positioned in the corresponding tuning key hole 122 and the corresponding indicating lamp hole 123. A switch hole 121 is opened at the center of the front panel 12, a power switch of the power amplifier is disposed in the switch hole 121, and a plurality of rows of heat dissipation air inlets 124 are opened at two sides of the front panel 12.
Referring to fig. 4, the front and rear ends of the side panels 13 on the left and right sides of the power amplifier case 1 are respectively provided with side heat dissipation holes 131. The upper side of the case 1 is integrally assembled with a cover 14, the left and right ends of the front half part of the cover 14 are respectively and vertically provided with a connecting plate 141, and the connecting plates are respectively provided with a connecting hole 142 corresponding to the side panels 13 on the left and right sides of the case and are fixedly connected with each other through screws.
In addition, the front ends of the side panels 13 on the left side and the right side of the case are respectively connected with side lugs 15 through screws, the side lugs 15 are right-angle plates, the front side surfaces of the side lugs are flush with the front panel 12 of the case 1, and two mounting holes are formed in the front side surfaces. The rear side end of the side panel 13 extends beyond the rear panel 11, and the extending portion has two assembling holes 132. The side lugs 15 and the assembly holes 132 at the rear end of the side panel 13 are used for mounting the power amplifier in the sound system.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, which is defined by the appended claims and the description of the invention.
Claims (5)
1. A multichannel module combined power amplifier with good heat dissipation performance comprises a power amplifier case and functional modules inside the power amplifier case, and is characterized in that the functional modules comprise a first power panel module, a second power panel module, a transformer, a plurality of power amplifier modules and an alternating current starting module, each functional module is installed on a bottom plate of the power amplifier case, the inside of the power amplifier case is divided into a front part and a rear part, the first power panel module, the second power panel module and the transformer are arranged on the front half, the alternating current starting module and the power amplifier modules are sequentially arranged on the rear half, each power amplifier module bucket is provided with a heat dissipation sheet and is correspondingly provided with a cooling fan, the cooling fan is fixed through a fan bracket, and the fan bracket is fixed in the middle of the case and corresponds to the position of the power amplifier module;
the middle part of the rear panel of the power amplifier case is provided with a plurality of audio input holes and a plurality of audio output holes, the number of the audio input holes and the number of the audio output holes are the same as that of the power amplifier modules, the audio input connector and the audio output connector of the power amplifier modules are respectively fixed in the audio input holes and the audio output holes, two sides of the rear panel are respectively provided with two rows of heat dissipation air outlet holes, the central position of the rear panel is provided with a power supply hole, and the power supply hole is internally provided with a power supply connector of the power amplifier;
the power amplifier is characterized in that a plurality of tuning key holes and indicating lamp holes are formed in the middle of a front panel of the power amplifier case, the number of the tuning key holes and the number of the indicating lamp holes are the same as that of the power amplifier module, a volume adjusting knob and a working condition indicating lamp of the power amplifier are respectively located in the tuning key holes and the indicating lamp holes, a switch hole is formed in the central position of the front panel, a power switch of the power amplifier is arranged in the switch hole, and a plurality of rows of heat dissipation air inlets are formed in the two sides of the front panel respectively.
2. The multi-channel module combined power amplifier with good heat dissipation performance as recited in claim 1, wherein the power amplifier is provided with 4 power amplifier modules, namely a power amplifier module a, a power amplifier module B, a power amplifier module C and a power amplifier module D, in sequence, the power amplifier module a and the power amplifier module B are stacked, electrically connected to the first power board module, respectively fixed to the respective corresponding fan brackets through screws, and simultaneously fixed to the bottom board through screws; the power amplifier module C and the power amplifier module D are overlapped, electrically connected with the second power panel module, respectively fixed on the corresponding fan brackets through screws, and simultaneously fixed on the bottom plate through screws; the alternating current starting module is arranged between the power amplifier module B and the power amplifier module C, the alternating current starting module is respectively electrically connected with the cooling fans of the four power amplifier modules, the rear panel of the power amplifier case is provided with four audio input holes and four audio output holes, and the front panel of the power amplifier case is provided with 4 tuning key holes and 4 indicator lamp holes.
3. The power amplifier of claim 2, wherein the power amplifier case has side heat dissipation holes at front and rear ends of the side panels at left and right sides.
4. The power amplifier as claimed in claim 3, wherein a cover is integrally assembled on the upper side of the casing, connecting plates are vertically disposed at the left and right ends of the front half of the cover, and the connecting plates and the left and right side panels of the casing are respectively provided with connecting holes and fixed by screws.
5. The multi-channel module combined power amplifier with good heat dissipation performance as recited in claim 4, wherein side lugs are respectively connected to front ends of the side panels on the left side and the right side of the case through screws, the side lugs are right-angle plates, front side surfaces of the side lugs are flush with a front panel of the case, and two mounting holes are formed in the side lugs; the rear side end of the side panel exceeds the rear panel, and the exceeding part is provided with two assembling holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022772548.1U CN213548136U (en) | 2020-11-25 | 2020-11-25 | Multichannel module combination power amplifier that heat dispersion is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022772548.1U CN213548136U (en) | 2020-11-25 | 2020-11-25 | Multichannel module combination power amplifier that heat dispersion is good |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213548136U true CN213548136U (en) | 2021-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022772548.1U Active CN213548136U (en) | 2020-11-25 | 2020-11-25 | Multichannel module combination power amplifier that heat dispersion is good |
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| Country | Link |
|---|---|
| CN (1) | CN213548136U (en) |
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- 2020-11-25 CN CN202022772548.1U patent/CN213548136U/en active Active
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