CN207744145U - A kind of damping type high-fidelity power amplifier - Google Patents
A kind of damping type high-fidelity power amplifier Download PDFInfo
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- CN207744145U CN207744145U CN201721806066.5U CN201721806066U CN207744145U CN 207744145 U CN207744145 U CN 207744145U CN 201721806066 U CN201721806066 U CN 201721806066U CN 207744145 U CN207744145 U CN 207744145U
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- power amplifier
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- lower platen
- top board
- telescopic rod
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Abstract
The utility model discloses a kind of damping type high-fidelity power amplifiers,Including power amplifier ontology,Power amplifier ontology lower end is equipped with damping device,The damping device is by top board,Lower platen,Telescopic rod is formed with spring,The top board and lower platen are notch plate,The top board is sleeved on outer lower platen and top board and lower platen centre form a cavity,More telescopic rods are equipped in the cavity,Described telescopic rod one end is connect with top board,The telescopic rod other end is connect with lower platen,It is arranged with spring outside the telescopic rod,Circuit board and the first temperature sensor are equipped in the power amplifier ontology,The intrinsic temperature of power amplifier and the external thermal stimulus of power amplifier sheet can be experienced respectively by the first temperature sensor and second temperature sensor,And it will send information to the comparison module on circuit board,When internal temperature is more than external temperature,Main control module controls fan and opens fan,It radiates for component in power amplifier ontology,Extend the service life of power amplifier.
Description
Technical field
The utility model is related to a kind of power amplifier manufacturing technology fields, more particularly, to a kind of damping type high-fidelity power amplifier.
Background technology
Audio-frequency power amplifier is the quite ripe field of a technology, and in decades, people have paid not for it
No matter slack effort in terms of the Line technology or component or even in thought and knowledge all achieves significant progress.Power
Amplifier abbreviation power amplifier, is commonly called as " sound amplifier ", is equipment most basic in sound system, and its task is to coming from signal source
The ultra-weak electronic signal of (being then to come from sound console in professional sound system) is amplified to be made a sound with drive the speaker.Power amplifier
Effect is exactly that the small signals amplification from source of sound or pre-amplifier is pushed speaker sound reproduction.A set of good sound system work(
The effect put is performed meritorious deeds never to be obliterated.Power amplifier, it may be said that be a maximum family in all kinds of sound appliances, effect is mainly by sound
After relatively small-signal is amplified of source equipment input, generates sufficiently large electric current and is pushed to the playback that loud speaker carries out sound.
Due to considering power, impedance, distortion, dynamic and different use scopes and controlling to adjust function, different power amplifiers is in inside
Signal processing, circuit design and produce technique on it is also different.
Electronic component of the power amplifier at work in power amplifier will produce a large amount of heat, can influence the normal work of power amplifier
Make, it is therefore desirable to a kind of that good heat dissipation is carried out to power amplifier；Power amplifier can also shake in carrying and work simultaneously, can seriously affect
The running parameter and service life of power amplifier internal component.
Utility model content
The technical problems to be solved in the utility model overcomes that existing power amplifier cannot radiate in time and damping effect is poor
Defect provides a kind of damping type high-fidelity power amplifier, to solve the above problems.
To achieve the above object, the utility model provides the following technical solutions：
A kind of damping type high-fidelity power amplifier, including power amplifier ontology, power amplifier ontology lower end is equipped with damping device, described
Damping device is made of top board, lower platen, telescopic rod and spring, and the top board and lower platen are notch plate, it is described on
Pressing plate is sleeved on outer lower platen and top board and lower platen centre form a cavity, and more telescopic rods are equipped in the cavity, described
Telescopic rod one end is connect with top board, and the telescopic rod other end is connect with lower platen, is arranged with spring outside the telescopic rod, institute
It states and is equipped with circuit board and the first temperature sensor in power amplifier ontology, the circuit board is equipped with main control module, power amplification mould
Block and comparator module, the power amplifier outer body are equipped with second temperature sensor, and power amplifier ontology upper end is equipped with heat emission hole,
Fan, first temperature sensor and second temperature sensor is equipped in the heat emission hole to be electrically connected with circuit board,
As a kind of optimal technical scheme of the utility model, power amplifier ontology side is equipped with plug, the plug with
Circuit board is electrically connected.
As a kind of optimal technical scheme of the utility model, in the power amplifier ontology both sides be separately installed with positive plate with
Negative plate, the positive plate and negative plate are electrically connected with circuit board.
As a kind of optimal technical scheme of the utility model, the damping device lower end is equipped with pedestal, the pedestal
It is welded on lower platen.
As a kind of optimal technical scheme of the utility model, metal net mask is equipped on the outside of the heat emission hole.
As a kind of optimal technical scheme of the utility model, the both ends of the spring is separately fixed at top board and lower platen
On.
Compared with prior art, the utility model has the beneficial effects that：This kind of high-fidelity power amplifier, by under power amplifier ontology
End installation damping device, can reduce vibrations of the power amplifier in carrying and work, extend the service life of power amplifier ontology；Pass through first
Temperature sensor and second temperature sensor can experience the intrinsic temperature of power amplifier and the external thermal stimulus of power amplifier sheet respectively,
And the comparison module on circuit board is will send information to, when internal temperature is more than external temperature, main control module controls fan
And open fan, it radiates for component in power amplifier ontology；It can make to generate in power amplifier ontology by positive plate and negative plate
Electrostatic, attracts the intrinsic dust of power amplifier, and reasonable design can be promoted the use of.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.In the accompanying drawings：
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is damping device cross-sectional view described in the utility model；
Fig. 3 is power amplifier ontology side structure schematic view described in the utility model.
In figure：1, power amplifier ontology；2, damping device；3, top board；4, lower platen；5, cavity；6, telescopic rod；7, spring；
8, circuit board；9, the first temperature sensor；10, heat emission hole；11, fan；12, positive plate；13, negative plate；14, pedestal；15, golden
Belong to guard, 16, second temperature sensor；17, plug.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment is based on the embodiments of the present invention, and those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, a kind of damping type high-fidelity power amplifier provided by the utility model comprising power amplifier ontology 1, power amplifier
1 lower end of ontology is equipped with damping device 2, and damping device 2 can reduce the vibrations of power amplifier ontology 1 at work, extend power amplifier ontology 1
Service life, damping device 2 is made of top board 3, lower platen 4, telescopic rod 5 and spring 6, and top board 3 is with lower platen 4
Notch plate, top board 3 are sleeved on outer lower platen 4 and form a cavity 5 among top board 3 and lower platen 4, and more are equipped in cavity 5
Telescopic rod 6,6 one end of telescopic rod are connect with top board 3, and 6 other end of telescopic rod is connect with lower platen 4, and bullet is arranged with outside telescopic rod 6
Spring 7, when power amplifier ontology 1 shakes, telescopic rod 6 and 7 simultaneous retractable of spring, top board 3 occur relative motion with lower platen 4, reach
To the purpose of damping, be equipped with circuit board 8 and the first temperature sensor 9 in power amplifier ontology 1, circuit board 8 equipped with main control module,
Power amplifier module and comparator module, 1 outside of power amplifier ontology are equipped with second temperature sensor 16, and 1 upper end of power amplifier ontology is equipped with
Heat emission hole 10, heat emission hole 10 is interior to be equipped with fan 11, first temperature sensor 9 and second temperature sensor 16 and circuit board 8
It is electrically connected, the first temperature sensor 9 can experience temperature and power amplifier ontology in power amplifier ontology 1 with second temperature sensor 16
Thermal stimulus outside 1, and the comparison module on circuit board 8 is will send information to, when internal temperature is more than external temperature, master control
Molding block controls fan 11 and opens fan 11, radiates for component in power amplifier ontology 1.
1 side of power amplifier ontology is equipped with plug 17, and the plug 17 is electrically connected with circuit board 8, can by plug 18
Power amplifier is connect with power supply, is powered for power amplifier, both sides are separately installed with positive plate 12 and negative plate 13 in power amplifier ontology 1, anode
Plate 12 and negative plate 13 are electrically connected with circuit board 8, and positive plate 12 and negative plate 13 can make to generate electrostatic in power amplifier ontology 1, right
Dust in power amplifier ontology 1 carries out attraction dedusting, and 2 lower end of damping device is equipped with pedestal 14, and the pedestal 14 is welded on pushing
On plate 4, pedestal 14 can be used to that power amplifier, 10 outside of heat emission hole is supported to be equipped with metal net mask 15, and metal net mask 15 can prevent extraneous
Sundries enters in power amplifier ontology 1, and 7 both ends of spring are separately fixed on top board 3 and lower platen 4.
Concrete principle：In use, damping device 2 can reduce the vibrations of power amplifier ontology 1 at work, extend power amplifier ontology 1
Service life, in power amplifier ontology 1 when the temperature is excessively high, the first temperature sensor 9 can be felt respectively with second temperature sensor 16
By the temperature in power amplifier ontology 1 and the thermal stimulus outside power amplifier ontology 1, and it will send information to the comparison mould on circuit board 8
Block, when internal temperature be more than external temperature when, main control module control fan 11 simultaneously fan 11 is opened, be power amplifier ontology 1 and
When radiate, it is ensured that power amplifier ontology 1 can work normally, and positive plate 12 and negative plate 13 can make to generate electrostatic in power amplifier ontology 1, right
Dust in power amplifier ontology 1 carries out attraction dedusting.
This kind of high-fidelity power amplifier can reduce power amplifier and carry and working by installing damping device in power amplifier ontology lower end
When vibrations, extend power amplifier ontology service life；It can be experienced respectively by the first temperature sensor and second temperature sensor
The thermal stimulus external to the intrinsic temperature of power amplifier and power amplifier sheet, and the comparison module on circuit board is will send information to, when
When internal temperature is more than external temperature, main control module control fan simultaneously opens fan, is that component carries out in power amplifier ontology
Good heat dissipation；It can make to generate electrostatic in power amplifier ontology by positive plate and negative plate, the intrinsic dust of power amplifier is inhaled
Draw, reasonable design, can promote the use of.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic
Equivalent replacement is carried out, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of damping type high-fidelity power amplifier, including power amplifier ontology (1), which is characterized in that power amplifier ontology (1) the lower end installation
There are damping device (2), the damping device (2) to be made of top board (3), lower platen (4), telescopic rod (6) and spring (7), institute
It is notch plate that top board (3), which is stated, with lower platen (4), and the top board (3) is sleeved on lower platen (4) outside and top board (3) is under
Form a cavity (5) among pressing plate (4), be equipped with more telescopic rods (6) in the cavity (5), described telescopic rod (6) one end with it is upper
Pressing plate (3) connects, and telescopic rod (6) other end is connect with lower platen (4), and spring (7) is arranged with outside the telescopic rod (6),
Circuit board (8) and the first temperature sensor (9) are equipped in the power amplifier ontology (1), the circuit board (8) is equipped with master control molding
Block, power amplifier module and comparator module, power amplifier ontology (1) outside are equipped with second temperature sensor (16), the work(
It puts ontology (1) upper end and is equipped with heat emission hole (10), fan (11), first temperature sensor are equipped in the heat emission hole (10)
(9) it is electrically connected with circuit board (8) with second temperature sensor (16).
2. damping type high-fidelity power amplifier according to claim 1, which is characterized in that power amplifier ontology (1) side is equipped with
Plug (17), the plug (17) are electrically connected with circuit board (8).
3. damping type high-fidelity power amplifier according to claim 1, which is characterized in that the interior both sides of the power amplifier ontology (1) point
Positive plate (12) and negative plate (13) are not installed, the positive plate (12) and negative plate (13) are electrically connected with circuit board (8).
4. damping type high-fidelity power amplifier according to claim 1, which is characterized in that damping device (2) the lower end installation
There are pedestal (14), the pedestal (14) to be welded on lower platen (4).
5. damping type high-fidelity power amplifier according to claim 1, which is characterized in that be equipped with gold on the outside of the heat emission hole (10)
Belong to guard (15).
6. damping type high-fidelity power amplifier according to claim 1, which is characterized in that spring (7) both ends are fixed respectively
On top board (3) and lower platen (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721806066.5U CN207744145U (en) | 2017-12-21 | 2017-12-21 | A kind of damping type high-fidelity power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721806066.5U CN207744145U (en) | 2017-12-21 | 2017-12-21 | A kind of damping type high-fidelity power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207744145U true CN207744145U (en) | 2018-08-17 |
Family
ID=63119020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721806066.5U Active CN207744145U (en) | 2017-12-21 | 2017-12-21 | A kind of damping type high-fidelity power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207744145U (en) |
Cited By (1)
| 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 |
-
2017
- 2017-12-21 CN CN201721806066.5U patent/CN207744145U/en active Active
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 |
| 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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