CN207321523U - A kind of shock-absorbing type power amplifier circuit board - Google Patents
A kind of shock-absorbing type power amplifier circuit board Download PDFInfo
- Publication number
- CN207321523U CN207321523U CN201721087428.XU CN201721087428U CN207321523U CN 207321523 U CN207321523 U CN 207321523U CN 201721087428 U CN201721087428 U CN 201721087428U CN 207321523 U CN207321523 U CN 207321523U
- Authority
- CN
- China
- Prior art keywords
- main control
- shock
- control board
- circuit board
- amplifier circuit
- 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
Landscapes
- Amplifiers (AREA)
Abstract
The utility model discloses a kind of shock-absorbing type power amplifier circuit board, including main control board, four corners bottom of the main control board is fixedly connected with screw, the bottom stable connection component of the screw, the bottom connection power supply connection component of the main control board, control unit is fixed with the top of the main control board, the left side of described control unit is equipped with two units that amplify, the unit that amplifies is equipped with adjustment unit, the bottom of the adjustment unit is equipped with two sense resistances, and the left side of the sense resistance is equipped with three anti-interference condensers.By devising power supply connection component, when installing whole equipment, it can be partially placed into power cord is longer inside insulation rubber sleeve, insulation rubber sleeve is closed by slide fastener, it is fixedly connected at the same time using the screw of main control board bottom on stable component, the effect of shock-absorbing can be reached, it is compact in structure and convenient to use.
Description
Technical field
Voice frequency electronics technical field is the utility model is related to, is specially a kind of shock-absorbing type power amplifier circuit board.
Background technology
Power amplifier is commonly called as " sound amplifier ", and it is exactly the small signals amplification from source of sound or pre-amplifier that it, which is acted on, promotes sound
Case is raised one's voice to its utmost.It is equipment most basic in sound system, the effect of a set of good sound system power amplifier is performed meritorious deeds never to be obliterated.The master of power amplifier
Performance indicator is wanted to have output power, frequency response, the distortion factor, signal-to-noise ratio, output impedance, damped coefficient etc..Due to consider power,
Impedance, distortion, dynamic and different use scopes and control and regulation function, different power amplifiers is in internal signal processing, line
Road designs and produces also different in technique.
Existing power amplifier circuit board, is all to use one piece of whole installation, has more scattered power cord on circuit board, assembling
When cumbersome and traditional power amplifier circuit board be fixedly connected, be not provided with damping, the equipment of shock-absorbing buffering, stability is poor,
These problems need to be improved traditional power amplifier circuit board, then new shock-absorbing type power amplifier circuit board how is designed, this
As our problems to be solved.
Utility model content
The purpose of this utility model is to provide a kind of shock-absorbing type power amplifier circuit board, to solve proposed in background technology
Problem.
To solve the above problems, the utility model provides following technical solution：
A kind of shock-absorbing type power amplifier circuit board, including main control board, four corners bottom of the main control board are fixed
Attachment screw, the bottom stable connection component of the screw, the bottom connection power supply connection component of the main control board are described
Control unit is fixed with the top of main control board, the left side of described control unit is equipped with two units that amplify, described to amplify
Unit is equipped with adjustment unit, and the bottom of the adjustment unit is equipped with two sense resistances, and the left side of the sense resistance is equipped with three
A anti-interference condenser.
Preferably, the stable component includes upper cover plate and lower cover, and the top of the lower cover is equipped with strip convex block, institute
The centre for stating upper cover plate is equipped with strip groove, and the strip groove is internally provided with buffer spring, and the strip convex block connects buffer spring,
The left and right sides of the upper cover plate is equipped with cavity, and the mast of the left and right sides of the lower cover can slide in cavity.
Preferably, the top of the upper cover plate is equipped with cavity, and the inner edge of the cavity is equipped with screw thread, the screw thread with
The screw corresponds to, and raised line is arranged with left and right sides of the lower cover bottom.
Preferably, the power supply connection component includes total plug, tap, power cord and sub- plug, total plug
Left side connects power cord, the left end connection tap of the power cord, the left side connexon plug of the tap.
Preferably, the exterior parcel insulation rubber sleeve of the power cord, the opening of the insulated wire gum cover are equipped with slide fastener,
The electro-insulating rubber, which is put on, is correspondingly provided with plastic teeth block.
Compared with prior art, the beneficial effects of the utility model are as follows：
1. the global design of the utility model changes traditional design thinking, by devising power supply connection component, pacifying
When filling whole equipment, it can be partially placed into power cord is longer inside insulation rubber sleeve, close insulation rubber sleeve by slide fastener
Close, while be fixedly connected on using the screw of main control board bottom on stable component, the effect installed soon, structure letter can be reached
It is single, it is easy to use.
It is to utilize lower cover 2. the stabilization component of the utility model design can reach the effect stablized to equipment into row buffering
The strip convex block and buffer spring of plate move up and down in the groove of upper cover plate, reach the effect of damping, buffering.
Brief description of the drawings
Fig. 1 is the monnolithic case structure diagram of the utility model；
Fig. 2 is the power supply connection component schematic diagram in the utility model Fig. 1；
Fig. 3 is the stabilization component diagram in the utility model Fig. 1.
In figure：1- main control boards, 2- screws, 3- stablize component, 4- electrical cord assemblies, 5- control units, and 6- amplifies list
Member, 7- adjustment units, 8- sense resistances, 9- anti-interference condensers, 31- upper cover plates, 32- lower covers, 33- bar shaped convex blocks, 34-
Buffer spring, 35- masts, 36- raised lines, the total plugs of 41-, 42- taps, 43- power cords, 44- plugs, 45- electro-insulating rubbers
Set, 46- slide fasteners, 47- plastic teeth blocks.
Embodiment
Below in conjunction with the attached drawing of the real-Shi Lizhong of the utility model, to the technical scheme in the embodiment of the utility model into
Row clearly and completely describes, it is clear that and the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of shock-absorbing type power amplifier circuit board, including master control
Circuit board 1, four corners bottom of the main control board 1 are fixedly connected with screw 2, the bottom stable connection group of the screw 2
Part 3, the bottom connection power supply connection component 4 of the main control board 1, the top of the main control board 1 is fixed with control
Unit 5, the left side of described control unit 5 are equipped with adjustment unit 7, the tune equipped with two units 6 that amplify, the unit 6 that amplifies
The bottom of section unit 7 is equipped with two sense resistances 8, and the left side of the sense resistance 8 is equipped with three anti-interference condensers 9.
The stable component 3 includes upper cover plate 31 and lower cover 32, and the top of the lower cover 32 is equipped with strip convex block 33,
The centre of the upper cover plate 31 is equipped with strip groove, and the strip groove is internally provided with buffer spring 34, and the strip convex block 33 connects
Connect buffer spring 34, the left and right sides of the upper cover plate 31 is equipped with cavity, and the mast 35 of the left and right sides of the lower cover 32 can be
Slided in cavity.Design stability component 3 in this way can utilize the buffer spring 34 inside strip groove to move up and down, and reach
Damping, buffering is carried out to equipment.
The top of the upper cover plate 31 is equipped with cavity, and the inner edge of the cavity is equipped with screw thread, the screw thread with it is described
Screw 2 corresponds to, and raised line 36 is arranged with left and right sides of 32 bottom of lower cover.Design in this way is convenient for connecting
Main control board 1 and stablize component 3.
The power supply connection component 4 includes total plug 41, tap 42, power cord 43 and sub- plug 44, total plug
41 left side connection power cord 43, the left end connection tap 42 of the power cord 43, the left side connexon of the tap 42
Plug 44.Design is convenient for installation equipment in this way, more convenient to use.
The exterior parcel insulation rubber sleeve 45 of the power cord 43, the opening of the insulated wire gum cover 45 are equipped with slide fastener
46, plastic teeth block 47 is correspondingly provided with the insulation rubber sleeve 45.It is more whole that design in this way can put power cord
Together, it is easy to use.
Operation principle：It should be noted that when installing whole equipment, can be partially placed into power cord 43 is longer absolutely
Inside edge rubber sleeve 45, close insulation rubber sleeve 45 by slide fastener 46, at the same it is solid using the screw 2 of 1 bottom of main control board
Surely it is connected on stable component 3, the effect installed soon can be reached, it is simple in structure, it is easy to use, while utilize main control board 1
On control unit 5 be controlled amplify unit 6 and adjustment unit 7, allomeric function is comprehensive, is easily installed, and possesses stronger push away
Wide value.
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 can still modify the technical solution described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.Where within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of shock-absorbing type power amplifier circuit board, including main control board (1), it is characterised in that：The four of the main control board (1)
A corner bottom is fixedly connected with screw (2), the bottom stable connection component (3) of the screw (2), the main control board (1)
Bottom connection power supply connection component (4), be fixed with control unit (5), the control at the top of the main control board (1)
The left side of unit (5) is equipped with two units that amplify (6), and the unit that amplifies (6) is equipped with adjustment unit (7), the adjustment unit
(7) bottom is equipped with two sense resistances (8), and the left side of the sense resistance (8) is equipped with three anti-interference condensers (9).
2. shock-absorbing type power amplifier circuit board according to claim 1, it is characterised in that：The stable component (3) includes upper cover
Plate (31) and lower cover (32), the top of the lower cover (32) are equipped with strip convex block (33), the centre of the upper cover plate (31)
Equipped with strip groove, the strip groove is internally provided with buffer spring (34), strip convex block (33) the connection buffer spring (34), institute
The left and right sides for stating upper cover plate (31) is equipped with cavity, and the mast (35) of the left and right sides of the lower cover (32) can be slided in cavity
It is dynamic.
3. shock-absorbing type power amplifier circuit board according to claim 2, it is characterised in that：The top of the upper cover plate (31) is equipped with
Cavity, the inner edge of the cavity are equipped with screw thread, and the screw thread is corresponding with the screw (2), lower cover (32) bottom
The left and right sides be arranged with raised line (36).
4. shock-absorbing type power amplifier circuit board according to claim 1, it is characterised in that：The power supply connection component (4) includes
Total plug (41), tap (42), power cord (43) and sub- plug (44), the left side connection power cord of total plug (41)
(43), the left end connection tap (42) of the power cord (43), the left side connexon plug (44) of the tap (42).
5. shock-absorbing type power amplifier circuit board according to claim 4, it is characterised in that：The exterior parcel of the power cord (43)
Insulation rubber sleeve (45), the opening of the insulated wire gum cover (45) are equipped with slide fastener (46), the insulation rubber sleeve (45) on pair
Plastic teeth block (47) should be equipped with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721087428.XU CN207321523U (en) | 2017-08-29 | 2017-08-29 | A kind of shock-absorbing type power amplifier circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721087428.XU CN207321523U (en) | 2017-08-29 | 2017-08-29 | A kind of shock-absorbing type power amplifier circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207321523U true CN207321523U (en) | 2018-05-04 |
Family
ID=62432235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721087428.XU Expired - Fee Related CN207321523U (en) | 2017-08-29 | 2017-08-29 | A kind of shock-absorbing type power amplifier circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207321523U (en) |
-
2017
- 2017-08-29 CN CN201721087428.XU patent/CN207321523U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203368756U (en) | Miniature microphone | |
| EP2530601A3 (en) | Redriver circuits with power saving modes | |
| CN207321523U (en) | A kind of shock-absorbing type power amplifier circuit board | |
| CN205050051U (en) | Intelligent computer mainframe box | |
| CN203633705U (en) | Height-adjustable connecting component of keyboard supporting plate | |
| CN202586351U (en) | Suppression device for power frequency interference signal of power transmission line | |
| CN203761573U (en) | Electronic acoustic splitter | |
| CN204203899U (en) | A kind of taken a picture waterproff keyboard with audio frequency input/output function | |
| CN208971522U (en) | A kind of sending device of DCO-OFDM visible light communication system | |
| CN205847535U (en) | A kind of combination type power amplifier plate | |
| CN102932706A (en) | Headset with two built-in loudspeakers and signal processing method of headset | |
| CN209015134U (en) | A kind of voice input adapter | |
| CN205160957U (en) | Observe and control appearance machine case structure | |
| CN207427388U (en) | A kind of telescopic isolation current interference microphone | |
| CN204559826U (en) | Transaudient assembly and electronic equipment | |
| CN205301644U (en) | Rack -type subscriber branch line box | |
| CN103312285A (en) | Self-adaptive voltage gain control circuit for power line carrier driver | |
| CN205883582U (en) | Power amplifier easy to assemble | |
| CN104507000B (en) | It is a kind of that there is the electric bass sound pick-up for strengthening music effect | |
| CN208863032U (en) | A kind of anti-loosening microphone | |
| CN204103865U (en) | A kind of aerial signal amplifying device of wireless routing | |
| CN104735584A (en) | Loudspeaker box capable of automatically adjusting volume | |
| CN209069792U (en) | A kind of waterproof trousers waterproofness detection device | |
| CN209299509U (en) | Large-scale Point source of sound speaker | |
| CN211239798U (en) | Power amplifier power-on time sequence protection circuit |
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: 20180504 Termination date: 20180829 |