CN207321520U - A kind of multi-functional input power amplifier control panel - Google Patents
A kind of multi-functional input power amplifier control panel Download PDFInfo
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- CN207321520U CN207321520U CN201721407110.5U CN201721407110U CN207321520U CN 207321520 U CN207321520 U CN 207321520U CN 201721407110 U CN201721407110 U CN 201721407110U CN 207321520 U CN207321520 U CN 207321520U
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- substrate
- power amplifier
- insulating layer
- power
- input interface
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Abstract
The utility model discloses a kind of multi-functional input power amplifier control panel, including first substrate and second substrate, first substrate and second substrate use crystalline silicon substrates, first substrate and second substrate are vertically connected with integral, and insulating layer is set between first substrate and second substrate, first substrate surface is provided with power amplifier chips, power module, first substrate side sets audio input interface respectively, video input interface, USB input interfaces and power input interface, first substrate opposite side setting signal output interface, power and ground is provided with second substrate, power and ground is sealed in second substrate, the utility model is simple in structure, using the substrate being vertically connected with, and insulating layer is set between the substrates, the interference free performance of power amplifier signal can be improved, improve power amplifier effect.
Description
Technical field
Power amplifier control panel technical field is the utility model is related to, is specially a kind of multi-functional input power amplifier control panel.
Background technology
Power amplifier abbreviation power amplifier, is commonly called as " sound amplifier ", is equipment most basic in sound system, its task is handle
Ultra-weak electronic signal from signal source (being then to come from sound console in professional sound system) is amplified to be sent with drive the speaker
Sound.The effect of power amplifier is exactly the small signals amplification from source of sound or pre-amplifier, promotes speaker sound reproduction.It is a set of good
The effect of sound system power amplifier is performed meritorious deeds never to be obliterated.
Power amplifier, it may be said that be a family maximum in all kinds of sound appliances, it acts on mainly that source of sound equipment is defeated
Enter after relatively small-signal is amplified, produce sufficiently large electric current and be pushed to the playback that loudspeaker carries out sound.Due to considering
Power, impedance, distortion, dynamic and different use scopes and control and regulation function, different power amplifiers is at internal signal
Reason, circuit design and produce also different in technique.
The signal of power amplifier input of the prior art is easily disturbed by ambient noise, influences its power amplifier effect.
Utility model content
The purpose of this utility model is to provide a kind of multi-functional input power amplifier control panel, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the utility model provides following technical solution：A kind of multi-functional input power amplifier control panel, bag
First substrate and second substrate are included, the first substrate and second substrate use crystalline silicon substrates, the first substrate and
Two substrates are vertically connected with integral, and insulating layer are set between the first substrate and second substrate, the first substrate surface
Power amplifier chips, power module are provided with, the first substrate side sets audio input interface, video input interface, USB respectively
Input interface and power input interface, the first substrate opposite side setting signal output interface, the power amplifier chips connect respectively
Power module, audio input interface, video input interface, USB input interfaces, power input interface and signal output is connect to connect
Mouthful；Power and ground is provided with the second substrate, the power and ground is sealed in second substrate；
The insulating layer is by metal screen layer and mylar film insulating layer is compound forms, and the mylar film insulating layer has first
Mylar film insulating layer and the second mylar film insulating layer, the metal screen layer is arranged at the first mylar film insulating layer and the second wheat is drawn
Between piece insulating layer, pipe sensitive adhesion is molded between three.
Preferably, the second substrate back side sets electrodeposited coating, and the plating layer surface is disposed with silk-screen layer and prevents
Sheath.
Preferably, metal cover is provided with the power amplifier chips, and the metal cover is equipped with heat emission hole.
Compared with prior art, the beneficial effects of the utility model are：
(1) the utility model is simple in structure, and using the substrate being vertically connected with, and the insulating layer collection set between the substrates is exhausted
Edge and function of shielding one, can effectively prevent that current signal from disturbing or electromagnetic signal is disturbed；Power amplifier signal can be improved
Interference free performance, improves power amplifier effect.
(2) audio input interface, video input interface, USB is integrated with the utility model, on first substrate to input and connect
Mouthful, using the teaching of the invention it is possible to provide multi-signal inputs, and further expands the use scope of power amplifier.
(3) in the utility model, the metal cover that is set on power amplifier chips, additionally it is possible to be effectively prevented from power amplifier chips by outer
The interference of boundary's electromagnetism, further improves power amplifier performance.
Brief description of the drawings
Fig. 1 is the utility model front view；
Fig. 2 is the utility model top view；
Fig. 3 is the utility model insulation layer structure schematic diagram.
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.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.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of multi-functional input power amplifier control panel, including
First substrate 1 and second substrate 2, the first substrate 1 and second substrate 2 use crystalline silicon substrates, 1 He of first substrate
Second substrate 2 be vertically connected with it is integral, and between the first substrate 1 and second substrate 2 set insulating layer 3, first base
1 surface of plate is provided with power amplifier chips 4, power module 5, and 1 side of first substrate sets audio input interface 6, video respectively
Input interface 7, USB input interfaces 8 and power input interface 9, the 1 opposite side setting signal output interface 10 of first substrate,
The power amplifier chips 4 connect power module 5, audio input interface 6, video input interface 7, USB input interfaces 8, power supply respectively
Input interface 9 and signal output interface 10；It is defeated that audio input interface, video are integrated with the utility model, on first substrate
Incoming interface, USB input interfaces, using the teaching of the invention it is possible to provide multi-signal inputs, and further expands the use scope of power amplifier；Second base
Power and ground is provided with plate 2, the power and ground is sealed in second substrate 2；2 back side of second substrate sets electricity
Coating 14,14 surface of electrodeposited coating are disposed with silk-screen layer and protective layer.Silk-screen layer is mainly used to stamp on circuit boards
The serial number of component, produce numbering, Business Name etc., sets protective layer above silk-screen layer, is mainly used to ensure on circuit board
It is not required tin plating place not tin plating, so as to ensure circuit board reliability of operation；
The insulating layer 3 is by metal screen layer 11 and mylar film insulating layer is compound forms, and the mylar film insulating layer has
First mylar film insulating layer 12 and the second mylar film insulating layer 13, the metal screen layer 11 are arranged at the first mylar film insulating layer
12 and second between mylar film insulating layer 13, and pipe sensitive adhesion is molded between three.The utility model uses the substrate being vertically connected with, and
The insulating layer collection insulation set between the substrates and function of shielding one, can effectively prevent that current signal from disturbing or electromagnetism is believed
Number interference；The interference free performance of power amplifier signal can be improved, improves power amplifier effect.
In the utility model, metal cover 15 is provided with power amplifier chips 4, and the metal cover 15 is equipped with heat dissipation
Hole.In the utility model, the metal cover that is set on power amplifier chips, additionally it is possible to be effectively prevented from power amplifier chips by external electromagnetic
Interference, further improves power amplifier performance.
In conclusion the utility model is simple in structure, using the substrate being vertically connected with, and insulation is set between the substrates
Layer, it is possible to increase the interference free performance of power amplifier signal, improves power amplifier effect.
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 these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (3)
1. a kind of multi-functional input power amplifier control panel, including first substrate (1) and second substrate (2), it is characterised in that：Described
One substrate (1) and second substrate (2) use crystalline silicon substrates, and the first substrate (1) and second substrate (2) are vertically connected with into
It is overall, and insulating layer (3) is set between the first substrate (1) and second substrate (2), first substrate (1) surface is set
There are power amplifier chips (4), power module (5), first substrate (1) side sets audio input interface (6), video input respectively
Interface (7), USB input interfaces (8) and power input interface (9), first substrate (1) the opposite side setting signal output interface
(10), it is defeated to connect power module (5), audio input interface (6), video input interface (7), USB respectively for the power amplifier chips (4)
Incoming interface (8), power input interface (9) and signal output interface (10)；Be provided with the second substrate (2) power cord and
Ground wire, the power and ground are sealed in second substrate (2)；
The insulating layer (3) is by metal screen layer (11) and mylar film insulating layer is compound forms, and the mylar film insulating layer has
First mylar film insulating layer (12) and the second mylar film insulating layer (13), the metal screen layer (11) are arranged at the first mylar film
Between insulating layer (12) and the second mylar film insulating layer (13), pipe sensitive adhesion is molded between three.
2. the multi-functional input power amplifier control panel of one kind according to claim 1, it is characterised in that：The second substrate (2)
The back side sets electrodeposited coating (14), and electrodeposited coating (14) surface is disposed with silk-screen layer and protective layer.
3. the multi-functional input power amplifier control panel of one kind according to claim 1, it is characterised in that：The power amplifier chips (4)
On be provided with metal cover (15), and the metal cover (15) is equipped with heat emission hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721407110.5U CN207321520U (en) | 2017-10-27 | 2017-10-27 | A kind of multi-functional input power amplifier control panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721407110.5U CN207321520U (en) | 2017-10-27 | 2017-10-27 | A kind of multi-functional input power amplifier control panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207321520U true CN207321520U (en) | 2018-05-04 |
Family
ID=62379787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721407110.5U Active CN207321520U (en) | 2017-10-27 | 2017-10-27 | A kind of multi-functional input power amplifier control panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207321520U (en) |
-
2017
- 2017-10-27 CN CN201721407110.5U patent/CN207321520U/en active Active
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