CN207427474U - A kind of protection type power amplifier - Google Patents
A kind of protection type power amplifier Download PDFInfo
- Publication number
- CN207427474U CN207427474U CN201721564472.5U CN201721564472U CN207427474U CN 207427474 U CN207427474 U CN 207427474U CN 201721564472 U CN201721564472 U CN 201721564472U CN 207427474 U CN207427474 U CN 207427474U
- Authority
- CN
- China
- Prior art keywords
- power amplifier
- fixedly connected
- air inlet
- inlet hole
- amplifier housing
- 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
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a kind of protection type power amplifiers; including power amplifier housing; the inner bottom wall of the power amplifier housing is fixedly connected with radiator fan; the madial wall of power amplifier housing offers thermovent; the top sidewall of thermovent is fixedly connected with bearing; the inner ring of bearing is fixedly connected with shaft; the surface of shaft is fixedly connected with dust board; the inner bottom wall of power amplifier housing offers air inlet hole; the both ends of air inlet hole all extend to the outer surface of power amplifier housing; the middle part inner roof wall of air inlet hole extends to the inside of power amplifier housing, and the inner bottom wall of air inlet hole is fixedly connected with semiconductor chilling plate.The protection type power amplifier; achieve the effect that freeze to the cooling air in air inlet hole in advance; semiconductor chilling plate pre-cools the air in air inlet hole; then power amplifier enclosure interior is entered back into be cooled down; and then can be good at the effect to radiate to the in vivo structure of power amplifier shell, so as to solve the problems, such as that the heat generated in power amplifier easily influences its using effect.
Description
Technical field
The utility model is related to power amplifier technical fields, are specially a kind of protection type power amplifier.
Background technology
It is exactly the small signals amplification from source of sound or pre-amplifier that power amplifier, which is commonly called as " sound amplifier " his effect, promotes sound
Case is raised one's voice to its utmost.The effect of a set of good sound system power amplifier is performed meritorious deeds never to be obliterated.Power amplifier can be generally divided into three categories " professional power amplifier "
" civilian power amplifier " " special power amplifier ".
Power amplifier can generate a series of vibrations when in use at present, some are beneficial in these vibrations, and some are then
The structure inside power amplifier can be caused to damage or so that internal structure loosens, since its power is higher, during using one section
Between after be easy to generate heat, these heats also directly affect the using effect of power amplifier, so needing a kind of protection type power amplifier
Machine.
Utility model content
（One）The technical issues of solution
In view of the deficiencies of the prior art, the utility model provides a kind of protection type power amplifier, solves in power amplifier
The problem of heat that vibrations easily influence the stability of its internal structure and generate easily influences its using effect.
（Two）Technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs：A kind of protection type power amplifier, bag
Power amplifier housing is included, the inner bottom wall of the power amplifier housing is fixedly connected with radiator fan, and the madial wall of the power amplifier housing offers
Thermovent, the top sidewall of the thermovent are fixedly connected with bearing, and the inner ring of the bearing is fixedly connected with shaft, described turn
The surface of axis is fixedly connected with dust board, and the inner bottom wall of power amplifier housing offers air inlet hole, and the both ends of the air inlet hole extend
To the outer surface of power amplifier housing, the middle part inner roof wall of the air inlet hole extends to the inside of power amplifier housing, the air inlet hole it is interior
Bottom wall is fixedly connected with semiconductor chilling plate, and the radiating end of the semiconductor chilling plate runs through and extends to the following table of power amplifier housing
Face.
The inner bottom wall of the power amplifier housing is fixedly connected with damping tube, and the damping tube is internally provided with hydraulic oil, institute
The inner bottom wall for stating damping tube is fixedly connected with damping spring, and decoupling rod is fixedly connected at the top of the damping spring, described to subtract
It shakes the outer surface of bar and the inner wall of damping tube is slidably connected, the top of the decoupling rod is run through and extends to the upper table of damping tube
Face, is fixedly connected with support plate at the top of the decoupling rod, the upper surface of the support plate be respectively fixedly connected with transformer and
Wiring board, the transformer and circuit board electrical connection, the surface of the support plate offer heat emission hole.
Preferably, the both ends inner wall of the air inlet hole has been fixedly connected with filter screen, and the filter screen is finer wire net.
Preferably, the air inlet hole is fixedly connected with drying layer, the inside of the drying layer close to the inner wall of radiator fan
It is provided with drier.
Preferably, the lower surface of the power amplifier housing is fixedly connected with support leg, and the inside of the support leg, which offers, to be subtracted
Hole is shaken, the inner roof wall of the shock relieve vent is connected with the inner bottom wall of damping tube.
Preferably, the inner wall of the shock relieve vent slidably connects buffer bar, and the bottom of the buffer bar is run through and extended to
The lower surface of support leg.
Preferably, the lower surface of the support leg is fixedly connected with buffering leather packing, and the bottom of the buffer bar extends to slow
Rush the lower surface of leather packing.
（Three）Advantageous effect
The utility model provides a kind of protection type power amplifier, possesses following advantageous effect：
（1）, the protection type power amplifier, semiconductor chilling plate is fixedly connected with by the inner bottom wall for setting air inlet hole, is partly led
The radiating end of body cooling piece runs through and extends to the lower surface of power amplifier housing, has reached and the cooling air in air inlet hole is carried out in advance
The effect of refrigeration, semiconductor chilling plate pre-cool the air in air inlet hole, then enter back into power amplifier enclosure interior
It is cooled down, and then can be good at the effect to radiate to the in vivo structure of power amplifier shell, produced so as to solve in power amplifier
Raw heat easily influences the problem of its using effect.
（2）, the protection type power amplifier, by setting the hydraulic oil that is internally provided with of damping tube, the inner bottom wall of damping tube is consolidated
Surely damping spring is connected with, decoupling rod, the outer surface of decoupling rod and the inner wall of damping tube are fixedly connected at the top of damping spring
It is slidably connected, the inside of support leg offers shock relieve vent, and the inner roof wall of shock relieve vent is connected with the inner bottom wall of damping tube, has reached pair
Effect derived from the vibrations progress that power amplifier housing interior structure generates, vibrations are by decoupling rod water conservancy diversion to hydraulic oil, and hydraulic oil is again
It is exported by buffer bar to the outside of power amplifier housing, so as to which the vibrations solved in power amplifier easily influence the steady of its internal structure
The problem of qualitative.
Description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is enlarged drawing at A in the utility model Fig. 1.
In figure：1 power amplifier housing, 2 radiator fans, 3 thermovents, 4 bearings, 5 shafts, 6 dust boards, 7 air inlet holes, 8 semiconductors
Cooling piece, 9 damping tubes, 10 damping springs, 11 decoupling rods, 12 support plates, 13 transformers, 14 heat emission holes, 15 filter screens, 16 dryings
Layer, 17 support legs, 18 shock relieve vents, 19 buffer bars, 20 buffering leather packings, 21 wiring boards.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of protection type power amplifier, including power amplifier housing
1, the inner bottom wall of power amplifier housing 1 is fixedly connected with radiator fan 2, and the madial wall of power amplifier housing 1 offers thermovent 3, thermovent 3
Top sidewall be fixedly connected with bearing 4, the inner ring of bearing 4 is fixedly connected with shaft 5, and the surface of shaft 5 is fixedly connected with gear
Dirt plate 6, the inner bottom wall of power amplifier housing 1 offer air inlet hole 7, and the both ends of air inlet hole 7 all extend to the outer surface of power amplifier housing 1,
The both ends inner wall of air inlet hole 7 has been fixedly connected with filter screen 15, and filter screen 15 is finer wire, and the middle part inner roof wall of air inlet hole 7 prolongs
Extend the inside of power amplifier housing 1, air inlet hole 7 is fixedly connected with drying layer 16 close to the inner wall of radiator fan 2, drying layer 16 it is interior
Portion is provided with drier, and the inner bottom wall of air inlet hole 7 is fixedly connected with semiconductor chilling plate 8, and the radiating end of semiconductor chilling plate 8 passes through
It wears and extends to the lower surface of power amplifier housing 1, semiconductor chilling plate 8 is fixedly connected with by the inner bottom wall for setting air inlet hole 7, half
The radiating end of conductor cooling piece 8 runs through and extends to the lower surface of power amplifier housing 1, has reached to the cooling air in air inlet hole 7
The effect freezed in advance, semiconductor chilling plate 8 pre-cool the air in air inlet hole 7, then enter back into power amplifier
It is cooled down inside housing 1, and then can be good at the effect to radiate to the structure in power amplifier housing 1, so as to solve
The problem of heat generated in power amplifier easily influences its using effect.
The inner bottom wall of power amplifier housing 1 is fixedly connected with damping tube 9, and damping tube 9 is internally provided with hydraulic oil, damping tube 9
Inner bottom wall be fixedly connected with damping spring 10, the top of damping spring 10 is fixedly connected with decoupling rod 11, decoupling rod 11 it is outer
Surface and the inner wall of damping tube 9 are slidably connected, and the top of decoupling rod 11 is run through and extends to the upper surface of damping tube 9, decoupling rod
11 top is fixedly connected with support plate 12, and the upper surface of support plate 12 has been respectively fixedly connected with transformer 13 and wiring board 21,
Transformer 13 and circuit board electrical connection, the surface of support plate 12 offer heat emission hole 14, and the lower surface of power amplifier housing 1 is fixedly connected
There is support leg 17, the inside of support leg 17 offers shock relieve vent 18, and the inner roof wall of shock relieve vent 18 connects with the inner bottom wall of damping tube 9
Logical, the inner wall of shock relieve vent 18 slidably connects buffer bar 19, and the bottom of buffer bar 19 is run through and extends to the following table of support leg 17
Face, the lower surface of support leg 17 are fixedly connected with buffering leather packing 20, and the bottom of buffer bar 19 extends to the following table of buffering leather packing 20
Face, by setting the hydraulic oil that is internally provided with of damping tube 9, the inner bottom wall of damping tube 9 is fixedly connected with damping spring 10, damping
The top of spring 10 is fixedly connected with decoupling rod 11, and the outer surface of decoupling rod 11 and the inner wall of damping tube 9 are slidably connected, support leg
17 inside offers shock relieve vent 18, and the inner roof wall of shock relieve vent 18 is connected with the inner bottom wall of damping tube 9, reached to power amplifier housing
Effect derived from the vibrations progress that 1 internal structure generates, vibrations are by 11 water conservancy diversion of decoupling rod to hydraulic oil, and hydraulic oil is again by slow
Jumper bar 19 is exported to the outside of power amplifier housing 1, so as to which the vibrations solved in power amplifier easily influence the stabilization of its internal structure
The problem of property.
In conclusion the protection type power amplifier, semiconductor chilling plate is fixedly connected with by the inner bottom wall for setting air inlet hole 7
8, the radiating end of semiconductor chilling plate 8 runs through and extends to the lower surface of power amplifier housing 1, has reached to the cooling in air inlet hole 7
Air in air inlet hole 7 is pre-cooled, then entered back by the effect that air is freezed in advance, semiconductor chilling plate 8
It is cooled down inside power amplifier housing 1, and then can be good at the effect to radiate to the structure in power amplifier housing 1, so as to solve
The problem of heat generated in power amplifier of having determined easily influences its using effect is internally provided with liquid by set damping tube 9
Pressure oil, the inner bottom wall of damping tube 9 are fixedly connected with damping spring 10, and the top of damping spring 10 is fixedly connected with decoupling rod 11,
The outer surface of decoupling rod 11 and the inner wall of damping tube 9 are slidably connected, and the inside of support leg 17 offers shock relieve vent 18, shock relieve vent 18
Inner roof wall connected with the inner bottom wall of damping tube 9, reached and derived effect carried out to the vibrations that 1 internal structure of power amplifier housing generates
Fruit, vibrations are exported by buffer bar 19 to the outside of power amplifier housing 1 again by 11 water conservancy diversion of decoupling rod to hydraulic oil, hydraulic oil, from
And solves the problems, such as the stability that the vibrations in power amplifier easily influence its internal structure.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed or further include as this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that in the case where not departing from the principle of the utility model and spirit can these embodiments be carried out with a variety of variations, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of protection type power amplifier, including power amplifier housing（1）, the power amplifier housing（1）Inner bottom wall be fixedly connected with heat dissipation
Fan（2）, the power amplifier housing（1）Madial wall offer thermovent（3）, the thermovent（3）Top sidewall fix connect
It is connected to bearing（4）, the bearing（4）Inner ring be fixedly connected with shaft（5）, the shaft（5）Surface be fixedly connected with gear
Dirt plate（6）, power amplifier housing（1）Inner bottom wall offer air inlet hole（7）, it is characterised in that：The air inlet hole（7）Both ends prolong
Extend power amplifier housing（1）Outer surface, the air inlet hole（7）Middle part inner roof wall extend to power amplifier housing（1）Inside, it is described
Air inlet hole（7）Inner bottom wall be fixedly connected with semiconductor chilling plate（8）, the semiconductor chilling plate（8）Radiating end through simultaneously
Extend to power amplifier housing（1）Lower surface；
The power amplifier housing（1）Inner bottom wall be fixedly connected with damping tube（9）, the damping tube（9）Be internally provided with hydraulic pressure
Oil, the damping tube（9）Inner bottom wall be fixedly connected with damping spring（10）, the damping spring（10）Top be fixedly connected
There is decoupling rod（11）, the decoupling rod（11）Outer surface and damping tube（9）Inner wall be slidably connected, the decoupling rod（11）'s
Top is run through and extends to damping tube（9）Upper surface, the decoupling rod（11）Top be fixedly connected with support plate（12）, institute
State support plate（12）Upper surface be respectively fixedly connected with transformer（13）And wiring board（21）, the transformer（13）And circuit
Plate is electrically connected, the support plate（12）Surface offer heat emission hole（14）.
2. a kind of protection type power amplifier according to claim 1, it is characterised in that：The air inlet hole（7）Both ends inner wall
It has been fixedly connected with filter screen（15）, the filter screen（15）For finer wire net.
3. a kind of protection type power amplifier according to claim 1, it is characterised in that：The air inlet hole（7）Close to radiation air
Fan（2）Inner wall be fixedly connected with drying layer（16）, the drying layer（16）Be internally provided with drier.
4. a kind of protection type power amplifier according to claim 1, it is characterised in that：The power amplifier housing（1）Lower surface
It is fixedly connected with support leg（17）, the support leg（17）Inside offer shock relieve vent（18）, the shock relieve vent（18）It is interior
Roof and damping tube（9）Inner bottom wall connection.
5. a kind of protection type power amplifier according to claim 4, it is characterised in that：The shock relieve vent（18）Inner wall slide
It is connected with buffer bar（19）, the buffer bar（19）Bottom run through and extend to support leg（17）Lower surface.
6. a kind of protection type power amplifier according to claim 5, it is characterised in that：The support leg（17）Lower surface consolidate
Surely it is connected with buffering leather packing（20）, the buffer bar（19）Bottom extend to buffering leather packing（20）Lower surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721564472.5U CN207427474U (en) | 2017-11-21 | 2017-11-21 | A kind of protection type power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721564472.5U CN207427474U (en) | 2017-11-21 | 2017-11-21 | A kind of protection type power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207427474U true CN207427474U (en) | 2018-05-29 |
Family
ID=62303805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721564472.5U Expired - Fee Related CN207427474U (en) | 2017-11-21 | 2017-11-21 | A kind of protection type power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207427474U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109151629A (en) * | 2018-10-26 | 2019-01-04 | 嘉兴市华阳电器有限公司 | It is a kind of with the speaker for stablizing radiator structure and audio-amplification structure |
| CN109819388A (en) * | 2017-11-21 | 2019-05-28 | 恩平市宝丽星电子有限公司 | A kind of protection type power amplifier |
-
2017
- 2017-11-21 CN CN201721564472.5U patent/CN207427474U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109819388A (en) * | 2017-11-21 | 2019-05-28 | 恩平市宝丽星电子有限公司 | A kind of protection type power amplifier |
| CN109819388B (en) * | 2017-11-21 | 2024-01-23 | 恩平市宝丽星电子有限公司 | Protection type power amplifier |
| CN109151629A (en) * | 2018-10-26 | 2019-01-04 | 嘉兴市华阳电器有限公司 | It is a kind of with the speaker for stablizing radiator structure and audio-amplification structure |
| CN109151629B (en) * | 2018-10-26 | 2023-12-15 | 东莞正阳电子有限公司 | Sound box with stable heat radiation structure and sound amplifying structure |
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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: 20180529 Termination date: 20201121 |