CN208143618U - A kind of power amplifier - Google Patents
A kind of power amplifier Download PDFInfo
- Publication number
- CN208143618U CN208143618U CN201820169404.7U CN201820169404U CN208143618U CN 208143618 U CN208143618 U CN 208143618U CN 201820169404 U CN201820169404 U CN 201820169404U CN 208143618 U CN208143618 U CN 208143618U
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- CN
- China
- Prior art keywords
- power amplifier
- module
- radiator
- hole
- power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000017525 heat dissipation Effects 0.000 claims abstract description 10
- 230000003321 amplification Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Amplifiers (AREA)
Abstract
The utility model relates to a kind of power amplifiers, including cabinet and the power amplifier module being mounted in cabinet, transformer, pre-amplifying module and filter module, there are two the power amplifier module and filter module is equal, two power amplifier modules are respectively provided at close to the left and right sides of case back plate, two filter modules are respectively provided at close to the left and right sides of case front panel, the pre-amplifying module is located between two power amplifier modules, the transformer is located between two filter modules, the case back plate is provided with air outlet in the position of corresponding power amplifier module, case back plate is provided with several through-holes in the position of corresponding pre-amplifying module, the case front panel is provided with air inlet in the position of corresponding filter module.The power amplifier it is structurally reasonable, be that front and back is equipped with heat release hole in cabinet, form water conservancy diversion, provide good heat dissipation to the component in cabinet.
Description
Technical field
The utility model relates to a kind of power amplification device, specifically a kind of power amplifier.
Background technique
Power amplifier has generally comprised power amplifier module, transformer, pre-amplifying module and filter module, and external input is first
It is amplified by pre-amplifying module, is carrying out secondary amplification by power amplifier module, be output to sound finally by filter module
Frequency equipment, transformer provide power supply for entire power amplifier.In traditional power amplifier, this arrangement of these components in the chassis does not all have
Regular, heat dissipation relies on cabinet and opens heat release hole or add the mode of radiator fan, and the trace arrangements of entire cabinet are more mixed and disorderly,
Whole heat dissipation effect is general.
Utility model content
The utility model in view of the above problems, provides that a kind of topology layout is reasonable, the power amplifier of good heat dissipation effect.
The utility model proposed adoption following technical scheme is achieved：
A kind of power amplifier, including cabinet and the power amplifier module, transformer, pre-amplifying module and the filtering that are mounted in cabinet
Module, the power amplifier module and filter module it is equal there are two, two power amplifier modules are respectively provided at the left and right close to case back plate
Two sides, two filter modules are respectively provided at close to the left and right sides of case front panel, and the pre-amplifying module is located at two
Between power amplifier module, the transformer is located between two filter modules, and the case back plate is in corresponding power amplifier module
Position is provided with air outlet, and case back plate is provided with several through-holes in the position of corresponding pre-amplifying module, before the cabinet
Plate is provided with air inlet in the position of corresponding filter module.
Preferably, the air inlet and air outlet are made of several heat release holes.
Preferably, the through-hole includes upper and lower two row, wherein a behavior input hole, another behavior delivery outlet.
Preferably, uplink through-hole is delivery outlet, and downlink through-hole is input hole, and delivery outlet installs output interface, input hole peace
Fill input interface.
Preferably, case back plate is also provided with several thermovents between upper and lower two rows through-hole.
Preferably, the filter module includes filter circuit and heat sink, and the heat sink is fixedly mounted on cabinet
Bottom, radiating circuit are located on heat sink.
Preferably, the power amplifier module includes radiator and power amplifier, and the radiator is equipped with front and back conducting
Deflector hole, deflector hole is interior to be equipped with heat radiating fin, and the power amplifier is located at the outer surface of radiator.
Preferably, the power amplifier includes two pieces of power boards and several power tubes, and the radiator is rectangular
Body structure, two pieces of power boards are respectively provided on two opposite long side sides of radiator outer surface, and power tube is located at radiator
Outer surface is perpendicular on the long side side of power board mounting surface.
Preferably, radiator, which is provided on the end face of deflector hole, is equipped with radiator fan.
Preferably, the radiator fan is located at radiator far from the end face of case back plate.
The utility model has the advantages that：The power amplifier it is structurally reasonable, cabinet be front and back be equipped with heat release hole,
Water conservancy diversion is formed, provides good heat dissipation to the component in cabinet.
Detailed description of the invention
Fig. 1 is the structure top view of the utility model embodiment；
Fig. 2 is the structure master map of case front panel in Fig. 1；
Fig. 3 is the structure master map of case back plate in Fig. 1；
Fig. 4 is the structural front view of filter module in Fig. 1；
Fig. 5 is the structure rearview of power amplifier module in Fig. 1.
Specific embodiment
The embodiments of the present invention are described in detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of power amplifier of the present embodiment, including cabinet 1 and the power amplifier module 2 being mounted in cabinet, transformation
There are two device 3, pre-amplifying module 4 and filter module 5, the power amplifier module 2 and filter module 5 are equal, two power amplifier modules 2
It is respectively provided at close to the left and right sides of case back plate 12, two filter modules 5 are respectively provided at close to the left and right of case front panel 11
Two sides, the pre-amplifying module 4 are located between two power amplifier modules 2, and the transformer 3 is located at two filter modules 5
Between, the case back plate 12 is provided with air outlet 121 in the position of corresponding power amplifier module, and case back plate 12 is put before corresponding
The position of big module is provided with several through-holes 122, and the case front panel 11 is provided with air inlet in the position of corresponding filter module
Mouth 111.
Preferably, the air inlet 111 and air outlet 121 are made of several heat release holes.
Preferably, the through-hole 122 includes upper and lower two row, wherein a behavior input hole, another behavior delivery outlet.
Preferably, uplink through-hole is delivery outlet, and downlink through-hole is input hole.
Preferably, case back plate 12 is also provided with several thermovents 123 between upper and lower two rows through-hole.
Preferably, the filter module 5 includes filter circuit 51 and heat sink 52, and the heat sink 52 is fixedly mounted
In chassis bottom, radiating circuit 51 is located on heat sink 52.
Preferably, the power amplifier module 2 includes radiator 21 and power amplifier, and the radiator is connected equipped with front and back
Deflector hole 211, heat radiating fin is equipped in deflector hole, the power amplifier is located at the outer surface of radiator.
Preferably, the power amplifier includes two pieces of power boards 22 and several power tubes 23, the radiator 21
For rectangular parallelepiped structure, two pieces of power boards 22 are respectively provided on two opposite long side sides of radiator outer surface, power tube 23
Radiator outer surface is located at perpendicular on the long side side of power board mounting surface.
Preferably, radiator 21, which is provided on the end face of deflector hole, is equipped with radiator fan 24.
Preferably, the radiator fan 24 is located at radiator far from the end face of case back plate.
The power amplifier at work, by the cooling fan exhausting of power amplifier module, cooling wind first from the air inlet of front panel into
Enter, the heat dissipation of filter module is completed by the heat sink water conservancy diversion of filter module, is then dissipated by the radiator water conservancy diversion of power amplifier module
Heat is finally exported by air outlet.
Only as described above, the only preferred embodiment of the utility model, when the utility model cannot be limited with this
The range of implementation, i.e., generally according to simple made by content documented by the utility model claims and utility model specification
Equivalent changes and modifications all still belong within the utility model claims scope.In addition, abstract part and title are only
For assisting patent document search to be used, not it is used to limit the interest field of the utility model.
Claims (10)
1. a kind of power amplifier, including cabinet and the power amplifier module being mounted in cabinet, transformer, pre-amplifying module and filtering mould
Block, which is characterized in that there are two the power amplifier module and filter module is equal, two power amplifier modules are respectively provided to be carried on the back close to cabinet
The left and right sides of plate, two filter modules are respectively provided at close to the left and right sides of case front panel, the pre-amplifying module
It is located between two power amplifier modules, the transformer is located between two filter modules, and the case back plate is in corresponding function
The position of amplification module is provided with air outlet, and case back plate is provided with several through-holes in the position of corresponding pre-amplifying module, described
Case front panel is provided with air inlet in the position of corresponding filter module.
2. power amplifier according to claim 1, which is characterized in that the air inlet and air outlet is by several heat dissipations
Hole composition.
3. power amplifier according to claim 1, which is characterized in that the through-hole includes upper and lower two row, wherein a behavior
Input hole, another behavior delivery outlet.
4. power amplifier according to claim 3, which is characterized in that uplink through-hole is delivery outlet, and downlink through-hole is input hole.
5. power amplifier according to claim 3 or 4, which is characterized in that case back plate is also opened between upper and lower two rows through-hole
There are several thermovents.
6. power amplifier according to claim 1, which is characterized in that the filter module includes filter circuit and heat dissipation
Plate, the heat sink are fixedly mounted on chassis bottom, and radiating circuit is located on heat sink.
7. power amplifier according to claim 1, which is characterized in that the power amplifier module includes radiator and power amplifier electricity
Road, the radiator are equipped with the deflector hole of front and back conducting, are equipped with heat radiating fin in deflector hole, the power amplifier is located at heat dissipation
The outer surface of device.
8. power amplifier according to claim 7, which is characterized in that the power amplifier includes two pieces of power boards and several
A power tube, the radiator are rectangular parallelepiped structure, two pieces of power boards be respectively provided at two of radiator outer surface it is opposite
On long side side, power tube is located at radiator outer surface perpendicular on the long side side of power board mounting surface.
9. power amplifier according to claim 7, which is characterized in that radiator, which is provided on the end face of deflector hole, is equipped with heat dissipation
Fan.
10. power amplifier according to claim 9, which is characterized in that the radiator fan is located at radiator far from cabinet
On the end face of backboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820169404.7U CN208143618U (en) | 2018-01-31 | 2018-01-31 | A kind of power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820169404.7U CN208143618U (en) | 2018-01-31 | 2018-01-31 | A kind of power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208143618U true CN208143618U (en) | 2018-11-23 |
Family
ID=64285411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820169404.7U Expired - Fee Related CN208143618U (en) | 2018-01-31 | 2018-01-31 | A kind of power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208143618U (en) |
-
2018
- 2018-01-31 CN CN201820169404.7U patent/CN208143618U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181123 |