CN103702271B - A kind of amplifier back panel - Google Patents
A kind of amplifier back panel Download PDFInfo
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- CN103702271B CN103702271B CN201310684313.9A CN201310684313A CN103702271B CN 103702271 B CN103702271 B CN 103702271B CN 201310684313 A CN201310684313 A CN 201310684313A CN 103702271 B CN103702271 B CN 103702271B
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Abstract
The invention discloses a kind of amplifier back panel, it includes panel body（1）Panel body is fixed on surrounding（1）The installation portion of outer peripheral edge（2）, it is characterised in that：The panel body（1）On be sequentially provided with wireless microphone reception area from top to bottom（3）, by blue tooth interface（4.1.1）, SD interface（4.1.2）, USB interface（4.1.4）, 3.5mm sockets（4.2.1）With RCA sockets（4.2.2）, multi-function jack（4.3.1）The signal input control zone of composition（4）And input power control zone（5）.Using structure of the present invention, it is possible to achieve various tone sources input mode, versatility is stronger, and it is provided with signal output interface and can realizes that many power amplifiers are used together, reduces the length of connection line.Battery is also carried in addition, it is possible to achieve without external power supply work.
Description
Technical field
The present invention relates to a kind of technical field of sound-box device, more particularly to a kind of amplifier back panel.
Background technology
In the art, described power amplifier is also called " sound amplifier ", and its effect is exactly that handle is put from source of sound or prime
The small signals amplification of big device, so as to promote audio amplifier to raise one's voice to its utmost.Professional power amplifier, civilian power amplifier and spy can be generally divided into by its purposes
Distinguished service is put.The professional power amplifier is used for meeting room, performance stage, hall, auditorium and all kinds of venues, and the civilian power amplifier is then used for
TV, home theater and all kinds of Household multimedia equipments, and special power amplifier then more application in all kinds of alarms and vehicle-mounted sound
Ring.Thus it is not difficult to find out, power amplifier machine equipment miscellaneous is flooded with our life, it is abundant sound to we provide
The world.But at the same time, the transmission means of its source of sound is but various, especially as the development of modern science and technology, can not only be led to
Cross USB flash disk, mobile hard disk and SD card transmission source of sound and source of sound can be transmitted by bluetooth, infrared ray and wireless microphone, even if
Conventional wire transmission also has been developed that all kinds of joints, and such as input of 3.5mm plugs, RCA inputs, TRS inputs and XLR are defeated
Enter.Therefore the power amplifier of such single input mode in the prior art will cause client to use upper inconvenience.
And in this industry, because the purposes specific aim of power amplifier is stronger, that is, obtain low distortion, the high-quality of low noise is broadcast
Effect is put, therefore, the scientific research personnel in industry often strongly pursues the lifting in performance, and ignores changing in its versatility
It is kind.And for common client, in the general sex chromosome mosaicism in face of the input mode of above-mentioned power amplifier, it is often using conversion sound
The mode in source is solved, will source of sound be transferred in the storage device matched with the power amplifier input mode, then set by the storage
It is standby to be input in power amplifier.In addition, in the case where not matched that in face of joint, then being changed often through an external joint
Device is matched.Thus long-term people produce a thinking inertia in the past, i.e., the power amplifier of different purposes different models is assumed as a matter of course
Have a different input modes, and have ignored it to the requirement in its versatility, and production firm also forms a kind of industry and is used to
Property, power amplifier only focuses on the lifting in its performance.
The content of the invention
The technical problem to be solved in the present invention be to provide it is a kind of be provided with various tone sources input mode so that power amplifier it is logical
With the good user-friendly amplifier back panel of property.
Technical solution of the invention is to provide a kind of amplifier back panel with following structure：It includes panel
Main body and the circular installation portion for being fixed on panel body outer peripheral edge, wireless microphone is sequentially provided with the panel body from top to bottom
Reception area, signal input control zone and input power control zone.The wireless microphone reception area includes horizontally disposed two
Wireless microphone receiver and self-corresponding antenna each with the Wireless microphone receiver.The signal input control zone includes
By the blue tooth interface, SD interface, display, the USB interface group that are from left to right arranged in order located at wireless microphone reception area lower section
Into MP3 modules, and located at the MP3 modules lower section first passage, second channel, the third channel that are from left to right arranged in order
And control module, it is provided with shared and can be between MP3 modules and first passage back and forth between the MP3 modules and first passage
First level setting switches of switching, the second channel, third channel and control module are each provided with for adjusting volume
Level setting switches.The input power control zone includes the power outlet located at main panel bottom, located at signal input control
Area lower section processed is for showing that the battery capacity indication lamp of battery and the charging for control to be powered and disconnected to the battery are opened
Close and for displaying whether the charging indicator light for being charged.
Used as a modification of the present invention, the first passage includes a 3.5mm socket for being used to connect 3.5mm plugs
With RCA sockets.3.5mm plugs be it is existing in more conventional plug, therefore 3.5 matched sockets are provided with the present invention
It is easy to the input of such 3.5mm plugs, and more conventional on existing television set be input into by RCA interfaces, therefore this hair
It is bright that a RCA socket is similarly set.
Further, the second channel and third channel are respectively provided with two identicals for connecting TRS plugs
Or XLR plugs multi-function jack and the switching that switches over during for connecting the relatively different plugs of the multi-function jack open
Close.Can realize being connected with TRS plugs or XLR plugs by multi-function jack, i.e., dual-purpose socket.And opened by a switching
Pass switches between, the TRS plugs it is more be that, for being connected with DVD inputs, and XLR plugs are then more for talking about
Cylinder input connection.
As it is a kind of preferably, the control module include echo controlling switch, high pitch controlling switch, bass controlling switch and
Total control switch.Integrally-regulated control to echo, bass high and total volume can be realized by control module, realized optimal
Play output effect.
As it is of the invention it is another improve, the battery capacity indication lamp by display electricity LOW lamps from small to large, 1 signal lamp,
The 3 signal lamps composition of 2 signal lamps and Full Charge Capacity.Savings battery has been carried in the present invention, broadcasting when being easy to be connected without external power supply, together
When be also prevented from suddenly power-off caused by power amplifier be stopped.
As a kind of preferred, a voltage conversion for switching input voltage is additionally provided with the input power control zone
Switch.
Further, the voltage change-over switch is divided into the low-voltage shelves and 220-240V high voltages shelves of 100-120V.
By two voltage-regulations of gear, can be needed to realize that optimum voltage is input into according to client.
As a kind of preferred, a fuse for protection circuit is additionally provided with the input power control zone.Work as electricity
When pressure input peak value is excessive, internal circuit of the invention can effectively be protected by fuse.
As last a kind of improvement of the invention, a signal output interface is additionally provided with the input power control zone.
Can realize that many power amplifiers are connected by the signal output, especially for large-scale square and stage, without whole work(
Put machine to be connected with source of sound, it is only necessary to by the series connection of all power amplifiers, make circuit simple.
Using above structure, the present invention has advantages below compared with prior art：Technical scheme bag first
Contained microphone wireless receiving, Bluetooth receptions, USB interface, SD card slot, 3.5 common sockets, RCA sockets and for even
The multi-function jack of TRS joints and XLR joints is connect, therefore source of sound input mode of the invention is more, is easy to field miscellaneous
Close application, highly versatile.Secondly technical scheme also includes battery, therefore in some times shorter applied field
Close, directly can be worked by storage battery power supply, without external power supply, and prevent the unexpected situation about powering off of external power source, keep away
Exempt to be stopped caused by power amplifier is disconnected due to external power source.The last present invention is additionally provided with a signal output interface, is easy to
Many power amplifiers are used in series.In addition, technical scheme is additionally provided with a fuse for protection circuit, it is to avoid outside
The damage of power amplifier circuit caused by the voltage of power supply is excessive suddenly.
Brief description of the drawings
Fig. 1 is the structural representation of amplifier back panel.
Fig. 2 is the enlarged diagram of " A " in Fig. 1.
Fig. 3 is the enlarged diagram of " B " in Fig. 1.
Shown in figure：1st, panel body, 2, installation portion, 3, wireless microphone reception area, 3.1, Wireless microphone receiver,
3.2nd, antenna, 4, signal input control zone, 4.1, MP3 modules, 4.1.1, blue tooth interface, 4.1.2, SD interface, 4.1.3, display
Device, 4.1.4, USB interface, 4.1.5, the first level setting switches, 4.1.6, switching push button, 4.2, first passage, 4.2.1,
3.5mm sockets, 4.2.2, RCA socket, 4.3, second channel, 4.3.1, multi-function jack, 4.3.2, switching switch, the 4.4, the 3rd
Passage, 4.5, control module, 4.5.1, echo controlling switch, 4.5.2, high pitch controlling switch, 4.5.3, bass controlling switch,
4.5.4, total control switch, 5, input power control zone, 5.1, power outlet, 5.2, battery capacity indication lamp, 5.3, charge switch,
5.4th, charging indicator light, 5.5, voltage change-over switch, 6, fuse, 7, signal output interface.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and detailed description.
As shown in figure 1, a kind of amplifier back panel of the invention, including panel body（1）Panel master is fixed on surrounding
Body（1）The installation portion of outer peripheral edge（2）, it is characterised in that：The panel body（1）On be sequentially provided with wireless microphone from top to bottom and connect
Receive area（3）, signal input control zone（4）With input power control zone（5）.
The wireless microphone reception area（3）Including two Wireless microphone receivers that horizontal alignment is set（3.1）With
Self-corresponding antenna each with the Wireless microphone receiver（3.2）.The Wireless microphone receiver is conventional on the market
Wireless microphone reception device, certain Wireless microphone receiver necessarily includes certain panel and button, and this is conventional skill
Art, is not just described in detail herein.
The signal input control zone（4）Including by located at wireless microphone reception area（3）From left to right arrange successively lower section
The blue tooth interface of row（4.1.1）, SD interface（4.1.2）, display（4.1.3）, USB interface（4.1.4）The MP3 modules of composition
（4.1）, and located at the MP3 modules（4.1）The first passage that lower section is from left to right arranged in order（4.2）, second channel
（4.3）, third channel（4.4）And control module（4.5）.Signified MP3 modules 4.1 refer to i.e. a kind of sounds of MP3player at this
To a general designation of the parts such as USB, blue tooth interface in the module of frequency compress technique, that is, the present invention.Same described first leads to
Road 4.2, second channel（4.3）, third channel（4.4）And control module（4.5）The connection of correspondence position in diagram is represented respectively
Region.The MP3 modules（4.1）And first passage（4.2）Between be provided with shared and can be in MP3 modules（4.1）It is logical with first
Road（4.2）Between the first level setting switches for toggling（4.1.5）, the second channel（4.3）, third channel（4.4）
And control module（4.5）It is each provided with the level setting switches for adjusting volume.It is not difficult to find out from diagram, except MP3 moulds
Block 4.1 shares the first level setting switches with first passage 4.2（4.1.5）There are each self-corresponding level setting switches in addition.
Certainly, for the ease of first level setting switches（4.1.5）MP3 modules 4.1 and first passage 4.2 are controlled respectively, therefore
In first level setting switches（4.1.5）Top be additionally provided with a switching push button（4.1.6）, that is, press, for adjusting
The volume of MP3 modules 4.1, is then used to adjust the volume of first passage 4.2 on bullet.
Specifically, the first passage（4.2）Comprising 3.5 sockets for being used to connect 3.5mm plugs（4.2.1）With
RCA sockets（4.2.2）.The 3.5mm plugs refer to the coaxial audio jack of a diameter of 3.5mm, the 3.5mm sockets 4.2.1 with
The coaxial audio jack is engaged, and the RCA sockets 4.2.2 is also called lotus flower socket, is used for the sound of television set, video disc player
Keep pouring in defeated.
The second channel（4.3）And third channel（4.4）Respectively be provided with two identicals for connect TRS plugs or
The multi-function jack of XLR plugs（4.3.1）With for making the multi-function jack（4.3.1）Relatively different plugs are cut when connecting
The switching switch for changing（4.3.2）.That is the second channel 4.3 and third channel 4.4 are two passages of identical.Described
Be provided with a multi-function jack 4.3.1 in two passages, multi-function jack 4.3.1 is dual-purpose socket, can respectively with TRS plugs
Connected with XLR plugs.Signified TRS plugs are in industry commonly called as " big three core " its company for being used for the output equipments such as earphone at this
Connect, and described XLR plugs are also referred to as card agriculture joint, are used for the input connection of microphone.Certainly, in the multi-function jack
A switching switch 4.3.2 is necessarily required to when 4.3.1 connecting different plugs.I.e. when multi-function jack 4.3.1 connects TRS plugs,
When realizing earphone output connection, upspring switching switch 4.3.2, " LINE " indicated in corresponding diagram 1, and works as multi-function jack
4.3.1 when connection XLR plugs realize microphone input connection, switching switch 4.3.2, " MIC " indicated in corresponding diagram 1 are pressed.
The control module（4.5）Including echo controlling switch（4.5.1）, high pitch controlling switch（4.5.2）, bass control
Switch（4.5.3）And total control switch（4.5.4）.I.e. as shown in fig. 1, the control module 4.5 is located at signal input control zone
（4）The lower right corner, and four controlling switches into sphere of movements for the elephants type set.
The input power control zone（5）Including located at panel body（1）The power outlet of bottom（5.1）, located at signal
Input control zone（4）Lower section is used to show the battery capacity indication lamp of battery（5.2）With for the battery to be powered and is broken
Open the charge switch of control（5.3）And for displaying whether the charging indicator light for being charged（5.4）.The battery capacity indication
Lamp（5.2）It is made up of 3 signal lamps of display electricity LOW lamps from small to large, 1 signal lamp, 2 signal lamps and Full Charge Capacity.In addition, the input
Power supply area（5）On be additionally provided with one for switching the voltage change-over switch of input voltage（5.5）.Voltage is specifically referred to turn
Change switch（5.5）It is divided into the low-voltage shelves and 220-240V high voltages shelves of 100-120V, realizes that a point gear for input supply voltage is adjusted
Section, meets the requirement of different control sources.
Operation principle of the invention is such：When being accessed by external power source, external power source is plugged into power supply
On socket 5.1, and corresponding input voltage gear is selected by voltage change-over switch 5.5, then by external sound source and the present invention
The corresponding interface connection of signal input control zone 4, completes power amplifier connection.When battery capacity indication lamp 5.2 display accumulator electric-quantity compared with
When low, charge switch 5.3 is opened, charging indicator light 5.4 lights expression and charged, thus realizing power amplifier work
The charging process of battery is completed simultaneously.Certainly in the case of charging saturation, it is also possible to charge switch 5.3 is opened, for preventing
Only power amplifier is stopped caused by external power source power-off suddenly.That is, when external power source is powered off suddenly, then battery after
Continuous power supply, makes power amplifier work on.
Finally it is worth mentioning that in the input power control zone in the present invention（5）A fuse 6 is additionally provided with,
It is exactly the lower right corner of panel body 1 in diagram, is designated the part of " FUSE ".In addition, as shown in FIG., battery capacity indication lamp 5.2
Right side be additionally provided with a mark and have LINE OUT " signal output interface 7.I.e. when practical many power amplifiers are needed,
The many series connection of power amplifier can be realized by the signal output interface 7, i.e., without making whole power amplifiers and audiogenic device
It is connected.Especially for large-scale stage or square, tens of or even up to a hundred power amplifiers are often provided with, and audiogenic device is often
A position is fixed on, it is intricate which results in the line between required power amplifier and audiogenic device.And the present invention is logical
It can be that connection is simple to the full extent to cross the signal output interface 7.But the series connection at this between signified power amplifier
The series connection on its circuit is not implied that, on the contrary, the circuit of each power amplifier is to realize parallel connection, i.e. signal input interface
It is directly connected to the signal output interface 7, it is to avoid because the circuit in single power amplifier is damaged, the nothing of caused whole power amplifiers
Method works.After all parts of amplifier back panel of the invention are laid out fixed, its internal circuit therewith go relatively by each function
Should.The circuit connection is existing conventional power amplifier machine circuit.Just do not illustrate herein.
In sum, for the present invention is compared with prior art, its advantage, the diversity of input pattern signal, so as to realize this
The versatility being input into for different sources of sound of invention, and its layout is more reasonable, it is to avoid the Stagger-wrap of multiple lines, and it is electric
Source line is provided with least significant end, can avoid more big and heavy power line, touches and interferes with each grafting joint.In addition, which is provided with electric power storage
Pond, therefore can be worked in the case of no external power source, and multiple is realized by a signal output interface 7
Being used in series between power amplifier, it is to avoid so complex circuit caused by power amplifier is connected with audiogenic device.Finally, set up
One fuse, it is to avoid infringement to power amplifier internal wiring and each electronic component.
Presently preferred embodiments of the present invention is the foregoing is only, protection scope of the present invention is not intended to limit.It is all in this hair
Within bright spirit and principle, any modification, equivalent and improvement for being made etc. should be included in protection scope of the present invention
Within.
Claims (5)
1. a kind of amplifier back panel, including panel body (1) and the circular installation portion for being fixed on panel body (1) outer peripheral edge
(2), it is characterised in that：Wireless microphone reception area (3), signal input control are sequentially provided with from top to bottom in the panel body (1)
Area (4) processed and input power control zone (5)；
Two Wireless microphone receivers (3.1) that the wireless microphone reception area (3) is set including horizontal alignment and with institute
State each self-corresponding antenna (3.2) of Wireless microphone receiver；
The signal input control zone (4) by located at wireless microphone reception area (3) lower section including being from left to right arranged in order
Blue tooth interface (4.1.1), SD interface (4.1.2), display (4.1.3), the MP3 modules (4.1) of USB interface (4.1.4) composition,
And first passage (4.2), second channel (4.3), the 3rd being from left to right arranged in order located at the MP3 modules (4.1) lower section
Passage (4.4) and control module (4.5), are provided with shared and can be between the MP3 modules (4.1) and first passage (4.2)
The first level setting switches (4.1.5) toggled between MP3 modules (4.1) and first passage (4.2), the second channel
(4.3), third channel (4.4) and control module (4.5) are each provided with the level setting switches for adjusting volume；
The control module (4.5) includes echo controlling switch (4.5.1), high pitch controlling switch (4.5.2), bass controlling switch
(4.5.3) and total control switch (4.5.4)；
The input power control zone (5) includes the power outlet (5.1) located at panel body (1) bottom, located at signal input
Control zone (4) lower section is for showing the battery capacity indication lamp (5.2) of accumulator electric-quantity and for the battery to be powered and broken
Open the charge switch (5.3) and the charging indicator light (5.4) for displaying whether charged of control；
Be provided with signal output interface (7) on the right side of battery capacity indication lamp (5.2), the signal output interface (7) for another
The signal input interface series connection of power amplifier；
Wherein, the first passage (4.2) is inserted comprising a 3.5mm socket (4.2.1) and RCA for being used to connect 3.5mm plugs
Seat (4.2.2)；
Wherein, one is provided with the second channel (4.3) is used to connect the multi-function jack (4.3.1) of TRS plugs or XLR plugs
The switching switched over when being used for and make the multi-function jack (4.3.1) be connected relative to different plugs with one switchs (4.3.2),
The third channel (4.4) is all identical with the 26S Proteasome Structure and Function of second channel (4.3).
2. a kind of amplifier back panel according to claim 1, it is characterised in that：The battery capacity indication lamp (5.2) is by showing
Show the 3 signal lamps composition of electricity LOW lamps from small to large, 1 signal lamp, 2 signal lamps and display Full Charge Capacity.
3. a kind of amplifier back panel according to claim 2, it is characterised in that：On the input power control zone (5)
It is additionally provided with a voltage change-over switch (5.5) for switching input voltage.
4. a kind of amplifier back panel according to claim 3, it is characterised in that：The voltage change-over switch (5.5) point
It is the low-voltage shelves and 220-240V high voltages shelves of 100-120V.
5. a kind of amplifier back panel according to claim 4, it is characterised in that：On the input power control zone (5)
It is additionally provided with a fuse (6) for protection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310684313.9A CN103702271B (en) | 2013-12-13 | 2013-12-13 | A kind of amplifier back panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310684313.9A CN103702271B (en) | 2013-12-13 | 2013-12-13 | A kind of amplifier back panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103702271A CN103702271A (en) | 2014-04-02 |
| CN103702271B true CN103702271B (en) | 2017-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310684313.9A Active CN103702271B (en) | 2013-12-13 | 2013-12-13 | A kind of amplifier back panel |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104826203A (en) * | 2015-04-12 | 2015-08-12 | 陈春敏 | Respirator used for respiratory medicine |
| CN111345947A (en) * | 2018-12-21 | 2020-06-30 | 沈阳新松机器人自动化股份有限公司 | Semi-automatic wheelchair controller |
| CN110769337B (en) * | 2019-10-24 | 2021-06-01 | 上海易和声学科技有限公司 | Active array sound post and sound equipment system |
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| CN2622977Y (en) * | 2003-04-12 | 2004-06-30 | 李庆良 | Broadcast public address receiver |
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| CN1774146A (en) * | 2004-11-29 | 2006-05-17 | 孔德伟 | Portable radio loudspeaker |
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| CN201976119U (en) * | 2011-04-02 | 2011-09-14 | 尤玺军 | Wireless broadcast controlling system for campus broadcast |
| CN203590460U (en) * | 2013-12-13 | 2014-05-07 | 宁波中荣声学科技有限公司 | Power amplifier rear-panel |
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|---|---|---|---|---|
| US6011852A (en) * | 1995-10-19 | 2000-01-04 | Howard; Albert R. | Audio power amplifier device for micro-computers |
| CN2622977Y (en) * | 2003-04-12 | 2004-06-30 | 李庆良 | Broadcast public address receiver |
| CN2696254Y (en) * | 2004-04-23 | 2005-04-27 | 李蓉君 | Multifunctional broadcast audio power amplifier |
| CN1774146A (en) * | 2004-11-29 | 2006-05-17 | 孔德伟 | Portable radio loudspeaker |
| CN201623853U (en) * | 2010-03-12 | 2010-11-03 | 冯贞炯 | Multi-function sound amplifier |
| CN201976119U (en) * | 2011-04-02 | 2011-09-14 | 尤玺军 | Wireless broadcast controlling system for campus broadcast |
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| CN103702271A (en) | 2014-04-02 |
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