CN207354783U - A kind of power amplifier box of good heat dissipation effect - Google Patents
A kind of power amplifier box of good heat dissipation effect Download PDFInfo
- Publication number
- CN207354783U CN207354783U CN201720995526.7U CN201720995526U CN207354783U CN 207354783 U CN207354783 U CN 207354783U CN 201720995526 U CN201720995526 U CN 201720995526U CN 207354783 U CN207354783 U CN 207354783U
- Authority
- CN
- China
- Prior art keywords
- power amplifier
- heat dissipation
- amplifier box
- box body
- thermally conductive
- 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)
- Amplifiers (AREA)
Abstract
The utility model discloses a kind of power amplifier box of good heat dissipation effect, including power amplifier box body and U-shaped bottom seat, mounting base is fixed with the power amplifier box body interior bottom plate, and it is symmetrically arranged with buckle on the both sides table wall of mounting base, power amplifier circuit board is fixed with the top of the mounting base, thermally conductive sheet is fixedly arranged above positioned at power amplifier circuit board in the mounting base, heat sink is welded with the top shell of the thermally conductive sheet.In the utility model, thermally conductive sheet is provided with the top of power amplifier circuit board, heat sink is welded with the top of thermally conductive sheet, thermally conductive sheet will can radiate in the heat transmission that power amplifier circuit board produces to heat sink, the two heat dissipation network interfaces symmetrically opened up on two side body of power amplifier box body, form a vent passages, improve the contacting efficiency of heat sink and air, improve heat dissipation effect, secondly it is both provided with dust filter plate on two heat dissipation network interfaces, it can prevent the dust in air from entering power amplifier box body interior, damage the electrical equipment of inside.
Description
Technical field
It the utility model is related to power amplifier box technical field, more particularly to a kind of power amplifier box of good heat dissipation effect.
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 major types " professional power amplifier "
" civilian power amplifier " " special power amplifier ", according to the difference using component, power amplifier has " courage machine " [electronic tube power amplifier] again, " stone machine "
[transistor power amplifier], " IC power amplifiers " [integrated circuit power amplifier].In recent years due to new technology, use of the new concept in courage machine, makes
Electron tube this ancient vacuum device yields unusually brilliant results again, its graceful sound, makes many burning friends prostrate oneself.Senior fever
Friend nearly all has one." IC power amplifiers " is due to his tone color less than upper two kinds of power amplifiers so seldom seeing in HI-FI power amplifiers
His shadow.
But existing power amplifier box is in use there is some shortcomings, existing power amplifier box, generally
All it is to open up heat dissipation network interface to radiate, the phase mutual deviation of heat dissipation, next dust is easily entered inside power amplifier box from heat dissipation network interface,
The damage of electric elements inside is caused, when in use, vibratility is larger for existing power amplifier box, reduces device power amplifier effect.
Utility model content
The purpose of this utility model is and a kind of good heat dissipation effect proposed in order to solve shortcoming existing in the prior art
Power amplifier box.
To achieve these goals, the utility model employs following technical solution：A kind of power amplifier of good heat dissipation effect
Case, including power amplifier box body and U-shaped bottom seat, the U-shaped bottom seat, which is internally embedded, is fixed with power amplifier box body, the U-shaped bottom
The connection of seat and power amplifier box body goes out to be provided with damping tube, and the power amplifier box body procapsid side is provided with control rotation
Button, the power amplifier box body procapsid opposite side are provided with input wires mouth, are connect on the power amplifier box body positioned at input
Output connection mouth is provided with above line mouth, the U-shaped base bottom is provided with supporting leg, the power amplifier box body interior bottom plate
On be fixed with mounting base, and buckle is symmetrically arranged with the both sides table wall of mounting base, power amplifier electricity is fixed with the top of the mounting base
Road plate, is fixedly arranged above thermally conductive sheet in the mounting base positioned at power amplifier circuit board, and cooperation buckle is offered on the thermally conductive sheet
The card slot used, is welded with heat sink on the top shell of the thermally conductive sheet, right on two side bodies of the power amplifier box body
Title offers the first heat dissipation network interface and the second heat dissipation network interface, and dust filter plate is fixed with the first heat dissipation network interface.
As further describing for above-mentioned technical proposal：
The supporting leg is provided with four altogether, and four supporting legs are symmetricly set on four corners of U-shaped base bottom.
As further describing for above-mentioned technical proposal：
The heat sink is provided with six altogether, and six heat sinks are parallel to each other between any two.
As further describing for above-mentioned technical proposal：
The first heat dissipation network interface and the second heat dissipation network interface are in same level.
As further describing for above-mentioned technical proposal：
The thermally conductive sheet is U-shaped structure.
In the utility model, the bottom of the power amplifier box body is provided with U-shaped bottom seat, and power amplifier box body and U-shaped bottom
The junction of seat is provided with damping tube, and effective relatively low power amplifier box body waits caused vibrations when in use, improves it
The stability of power amplifier, is secondly provided with thermally conductive sheet, is welded with heat sink at the top of thermally conductive sheet, thermally conductive sheet can at the top of power amplifier circuit board
Will radiate in the heat transmission that power amplifier circuit board produces to heat sink, symmetrically opened up on two side body of power amplifier box body
Two heat dissipation network interfaces, formed a vent passages, improve the contacting efficiency of heat sink and air, further increase heat dissipation
Effect, then have and be both provided with dust filter plate on two heat dissipation network interfaces, it can prevent the dust in air from entering power amplifier box sheet
Internal portion, damages the electrical equipment of inside, and thermally conductive sheet is fastened in mounting base by card slot so that the active force of heat sink is being pacified
Fill on seat, be effectively protected power amplifier circuit board so that power amplifier circuit board, which will not be squeezed, to be caused to damage.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of good heat dissipation effect power amplifier box structure diagram；
Fig. 2 is the internal structure schematic diagram of the utility model power amplifier box body；
Fig. 3 is the structure diagram of the utility model heat sink.
Marginal data：
1- power amplifier boxes body, 2- control handles, 3- input wires mouth, 4- output connections mouth, 5-U types base, 6- dampings
Pipe, 7- supporting legs, 8- mounting bases, 9- power amplifier circuit boards, 10- buckle, 11- thermally conductive sheets, 12- heat sinks, 13- first heat dissipation network interface,
14- dusts filter plate, the heat dissipations of 15- second network interface, 16- card slots.
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
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.
With reference to Fig. 1-3, a kind of power amplifier box of good heat dissipation effect, including power amplifier box body 1 and U-shaped bottom seat 5, U-shaped bottom
Seat 5, which is internally embedded, is fixed with power amplifier box body 1, and U-shaped bottom seat 5 and the connection of power amplifier box body 1 go out to be provided with damping tube 6,
1 procapsid side of power amplifier box body is provided with control handle 2, and 1 procapsid opposite side of power amplifier box body is provided with input and connects
Line mouth 3, is provided with output connection mouth 4 on power amplifier box body 1 positioned at the top of input wires mouth 3, and 5 bottom of U-shaped bottom seat is set
There is supporting leg 7, mounting base 8 is fixed with 1 internal backplane of power amplifier box body, and be symmetrically arranged with the both sides table wall of mounting base 8
Buckle 10, the top of mounting base 8 are fixed with power amplifier circuit board 9, and power amplifier circuit board 9 is located in mounting base 8 is fixedly arranged above heat conduction
Piece 11, the card slots 16 for coordinating buckle 10 to use are offered on thermally conductive sheet 11, heat sink is welded with the top shell of thermally conductive sheet 11
12, the first heat dissipation network interface 13 and the second heat dissipation network interface 15, the first heat dissipation are symmetrically offered on two side bodies of power amplifier box body 1
Dust filter plate 14 is fixed with network interface 13.
Supporting leg 7 is provided with four altogether, and four supporting legs 7 are symmetricly set on four corners of 5 bottom of U-shaped bottom seat, heat dissipation
Piece 12 is provided with six altogether, and six heat sinks 12 are parallel to each other between any two, the first heat dissipation heat dissipation network interface of network interface 13 and second
15 in same level.
Thermally conductive sheet 11 is U-shaped structure, and thermally conductive sheet 11 is fixed in mounting base 8 by card slot 16 so that thermally conductive sheet 11
Active force will not prevent power amplifier circuit board 9 is squeezed from causing to damage in power amplifier circuit board 9, second heat dissipation network interface 13 on
It is also equipped with dust filter plate 14.
Operation principle：In use, input wires can be passed through by the way that the power amplifier box body 1 is connected power supply first
Mouthfuls 3 and output connection mouth 4 connect input line and output line, used, during use, damping tube 6 first is set
Put, the vibrations that power amplifier box body 1 produces when in use can be reduced, improve its stability, secondly 9 work of power amplifier circuit board
Heat caused by work can be transferred on heat sink 12 by thermally conductive sheet 11, the first heat dissipation that the heat on heat sink 12 can distribute
The heat dissipation network interface 15 of network interface 13 and second is formed in the air inside vent passages, is radiated, is ensured that the power amplifier box is steady for a long time
Qualitatively work.
The above, is only the preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of power amplifier box of good heat dissipation effect, including power amplifier box body (1) and U-shaped bottom seat (5), it is characterised in that institute
State U-shaped bottom seat (5) and be internally embedded and be fixed with power amplifier box body (1), the U-shaped bottom seat (5) and the company of power amplifier box body (1)
Pick out and be provided with damping tube (6), power amplifier box body (1) the procapsid side is provided with control handle (2), the power amplifier
Case body (1) procapsid opposite side is provided with input wires mouth (3), is located at input wires mouth on the power amplifier box body (1)
(3) output connection mouth (4) is provided with above, U-shaped bottom seat (5) bottom is provided with supporting leg (7), the power amplifier box body
(1) mounting base (8) is fixed with internal backplane, and buckle (10), the peace are symmetrically arranged with the both sides table wall of mounting base (8)
Power amplifier circuit board (9) is fixed with the top of dress seat (8), is led on the mounting base (8) positioned at being fixedly arranged above for power amplifier circuit board (9)
Backing (11), the card slot (16) for coordinating buckle (10) to use, the top of the thermally conductive sheet (11) are offered on the thermally conductive sheet (11)
Heat sink (12) is welded with portion's housing, the first radiator-grid is symmetrically offered on two side bodies of the power amplifier box body (1)
Mouthful (13) and the second heat dissipation network interface (15), described first, which radiates, is fixed with dust filter plate (14) on network interface (13).
2. the power amplifier box of a kind of good heat dissipation effect according to claim 1, it is characterised in that the supporting leg (7) sets altogether
Four are equipped with, and four supporting legs (7) are symmetricly set on four corners of U-shaped bottom seat (5) bottom.
3. the power amplifier box of a kind of good heat dissipation effect according to claim 1, it is characterised in that the heat sink (12) is altogether
Six are provided with, and six heat sinks (12) are parallel to each other between any two.
A kind of 4. power amplifier box of good heat dissipation effect according to claim 1, it is characterised in that the first heat dissipation network interface
(13) it is in the second heat dissipation network interface (15) in same level.
5. the power amplifier box of a kind of good heat dissipation effect according to claim 1, it is characterised in that the thermally conductive sheet (11) is
U-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720995526.7U CN207354783U (en) | 2017-08-10 | 2017-08-10 | A kind of power amplifier box of good heat dissipation effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720995526.7U CN207354783U (en) | 2017-08-10 | 2017-08-10 | A kind of power amplifier box of good heat dissipation effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207354783U true CN207354783U (en) | 2018-05-11 |
Family
ID=62360055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720995526.7U Expired - Fee Related CN207354783U (en) | 2017-08-10 | 2017-08-10 | A kind of power amplifier box of good heat dissipation effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207354783U (en) |
-
2017
- 2017-08-10 CN CN201720995526.7U patent/CN207354783U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181129 Address after: 510800 2nd Floor, Building 7, 33 Hongmian Avenue, Xiuquan Street, Huadu District, Guangzhou City, Guangdong Province Patentee after: GUANGZHOU HUIHUANG ELECTROACOUSTIC TECHNOLOGY CO.,LTD. Address before: 610000 35 13, 1 building, 20 Jialing Road, Wuhou District, Chengdu, Sichuan. Patentee before: CHENGDU YIRUIXIN TECHNOLOGY Co.,Ltd. |
|
| 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: 20180511 Termination date: 20210810 |