CN107071627A - Active audio amplifier - Google Patents
Active audio amplifier Download PDFInfo
- Publication number
- CN107071627A CN107071627A CN201611156987.1A CN201611156987A CN107071627A CN 107071627 A CN107071627 A CN 107071627A CN 201611156987 A CN201611156987 A CN 201611156987A CN 107071627 A CN107071627 A CN 107071627A
- Authority
- CN
- China
- Prior art keywords
- module
- power
- loudspeaker
- audio amplifier
- input interface
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
Abstract
The invention discloses a kind of active audio amplifier, including casing, master board, audio input interface plate, the decoding deck with power amplifier, power panel, display board and loudspeaker, the master board, power panel, the decoding deck with power amplifier and audio input interface plate are arranged on the backboard of casing, the master board and audio input interface plate are connected by winding displacement, and the decoding deck with power amplifier is connected with display board, power panel, audio input interface plate and loudspeaker by winding displacement respectively.The master board of active audio amplifier of the present invention possesses the function of changing upgrading in the backboard of casing；Integrated module is complete on audio input interface plate, is available for using steadily in the long term；Decoding deck with power amplifier is arranged on the centre position of casing, can be radiated by bass vibration；Each functional circuit module and centralization can upgrade and not interfere with the stability of other functional modules at any time.
Description
Technical field
The present invention relates to a kind of audio playing device, more particularly to a kind of active audio amplifier.
Background technology
Existing active audio amplifier does not possess playing function, decoding function, or is only capable of doing audio decoder without audio frequency and video
Playing function；There is one kind to be to play in addition, decoding, amplifier power supply is all sitting on one piece of plank, does not possess independent hardware
Upgrade function；Big upgrading is had in 1-2 because android play systems module is general, and decodes power amplifier sound system
It can continue to use many years, therefore individually designed independent HardwareUpgring reduces the cost of user's more new system by very big.
The content of the invention
For above-mentioned shortcoming and defect of the prior art, easily hardware is carried out it is an object of the invention to provide a kind of
Update the active audio amplifier of upgrading.
The purpose of the present invention is achieved through the following technical solutions：
A kind of active audio amplifier, including casing, master board, audio input interface plate, the decoding deck with power amplifier, power panel,
Display board and loudspeaker, the master board, power panel, the decoding deck with power amplifier and audio input interface plate are arranged at casing
Backboard on, the master board and audio input interface plate are connected by winding displacement, the decoding deck with power amplifier respectively with it is aobvious
Show that plate, power panel, audio input interface plate and loudspeaker are connected by winding displacement.
Preferably, be integrated with the audio input interface plate fiber-coaxial digital input module, analog input module and
Bluetooth input module.
Preferably, the decoding deck with power amplifier is arranged on the centre of casing, is radiated by bass vibration.
Preferably, be integrated with the master board Android intelligence systems module, HDMI high definitions input/output module,
Audio and video playing decoder (processing audio-video document, be decoded into audio and video data streams), USB module, infrared remote control module, power supply
Management module, wireless module and cable network module.
Preferably, transformer, rectification module and power filtering module are integrated with the power panel.
Preferably, DSP acoustics compensation circuits module, digital simulation decoder module are integrated with the decoding deck with power amplifier
(digital simulation decoder module is the sound sound letter Give power amplifiers that voice data stream process is changed into needs.), electronics partial power amplifier
Module, DSP sound fields expansion module and power transfer module.
Preferably, VFD display modules and infrared remote control receiving module are integrated with the display board.
Preferably, in addition to frequency divider, the loudspeaker includes Squawker, woofer and high pitch loudspeaker,
The loudspeaker include Squawker, woofer and high pitch loudspeaker and frequency divider connection (part-frequency point is according to difference
System is different, and ordinary circumstance is low frequency 80Hz, 130Hz, 3.2kHz).
Preferably, the Squawker is that 4 cun of Squawkers, high pitch loudspeaker are that 1 cun of high pitch loudspeaker, bass are raised
Sound device is 5 cun of woofers.
Preferably, the wireless module is Wi-Fi module.
Compared with prior art, the embodiment of the present invention at least has advantages below：
The master board of active audio amplifier of the present invention possesses the function of changing upgrading in the backboard of casing；Audio input interface
Integrated module is complete on plate, is available for using steadily in the long term；Decoding deck with power amplifier is arranged on the centre position of casing, Ke Yitong
Bass vibration is crossed to be radiated；Each functional circuit module and centralization can at any time upgrade and not interfere with other functional modules
Stability.
Brief description of the drawings
Fig. 1 is the structural representation of active audio amplifier of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.The present invention implementation being generally described and illustrated herein in the accompanying drawings
The component of example can be arranged and designed with a variety of configurations.Therefore, reality of the invention below to providing in the accompanying drawings
The detailed description for applying example is not intended to limit the scope of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of protection of the invention.
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to
The embodiment of accompanying drawing description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
The invention will be further described with reference to the accompanying drawings and examples.
Display board：For receiving IR remote controller signal and display machine state.Infrared remote control receiving module therein
For receiving remote controller signal and being output to the decoding deck with power amplifier and master board；VFD display modules are used to show band
The working condition of the decoding deck of power amplifier, i.e. source of sound input state：Local->Optical fiber->Coaxially->Simulation->BT；Audio pattern：
Hi-Fi (high-fidelity pattern) and Movie (film mode)；And volume：0~80, acquiescence 50.
Decoding deck with power amplifier has four modules：
Digital simulation decoder module, for the digital audio and video signals in audio input interface plate and master board to be solved
Code, analog signal changes into data signal and then do decoding by AD conversion is given to rear end DSP sound field expansion modules.
DSP sound field expansion modules, for the multi-channel signal in film mode to be converted into virtual ring around sound field, and increase
Plus sound details, and medium-high frequency positioning signal, bass boost technology finally unifies as Movie audio patterns.
Electronics partial power amplifier module, for determining the optimal part-frequency point required for three frequency division loudspeaker, and to whole sound
System does sound compensation, due to being divided in numerical portion and small-signal part, therefore part-frequency point is precisely, and sound is pure
Only；Power amplifier module medium-high frequency 25w*2, low frequency 50w*2.
Power transfer module, for the voltage required for the decoding deck with power amplifier, master board and Audio Interface and
Electric current changes that there is provided required voltage and electric current.
Frequency divider, be the signal output after electronics partial power amplifier there is provided the voice signal of high, medium and low sound, make corresponding
High pitch loudspeaker, Squawker and woofer sounding.
Audio input interface plate, for external source of sound, sound equipment is input to by voice signal：
Fiber-coaxial digital input module：Forgive fiber-optical socket, coaxial socket and coaxial integer circuit, signal is switched to
Standard spdif (the letters of Sony/Philips Digital Interface Format, SONY, PHILIPS digital audio interfaces
Claim) digital voice signal, and then it is given to the digital simulation decoder module of the decoding deck with power amplifier.
Analog input module：Audio/video binding post and noise shielding circuit comprising 3.5mm, analog signal is defeated
Enter to the decoding deck digital simulation decoder module with power amplifier.
Bluetooth input module：Comprising csr8670 bluetooth modules, by Bluetooth receptions to voice signal be converted to spdif
(abbreviation of Sony/Philips Digital Interface Format, SONY, PHILIPS digital audio interfaces) audio coding
Message number, and then it is given to the digital simulation decoder module of the decoding deck with power amplifier.
Master board, for played file, and does front end decoding effort：
Android intelligence system modules, for running Android6.0 systems, play local audio frequency and video, install app, beat
Open app playing online audio/video contents, a series of functions such as online.
HDMI high definition input/output modules：Input module is to be used to receive outer tape splicing HDMI output interface playback equipment, will
Audio-video signal is input to sound equipment and played out；Output module is used to the audio-video signal decoded in master board being output to electricity
Depending on projecting, on the display device such as laser television.
USB module：Each one of the interface containing USB3.0 and USB2.0 in master board, for receiving u disks, mobile hard disk etc.
Mobile device file is played.
Audio and video playing decoder：There are each one of Audio and Video DSP in master board, be respectively used to decode audio
And video.
Cable network module：Containing dry million wired network interface one in master board, set for connecing router or nas
It is standby.
Wireless module：Wireless module containing 802.11ac and each one of antenna in master board, for connecting wireless routing
Device is surfed the Net.
Infrared remote control module：Module containing infrared remote control in master board, for receiving the infrared signal on display board.
Power management module：Contain single PMU power management chips in master board, master chip power supply is managed,
Power supply and protection.
Power panel, is that the power unit in audio amplifier is powered for handling 220v power supplys：
Transformer：For 220v alternating currents to be converted into 24v low-voltage ACs.
Rectification module：The alternating current that transformer is exported is made into direct current.
Power filtering module：Ripple in direct current, clutter are filtered out, make direct current is purer to be supplied to power amplifier
Decoding deck.
Power panel (insurance circuit) is connected with the decoding deck with power amplifier by 4pin shielding lines, and frequency divider is shielded by 4pin
Line is connected with decoding deck, and frequency divider is connected with loudspeaker by horn wire；Display board is connected by wide opening line with decoding deck；Audio
Tablet is connected by 8pin winding displacements with decoding deck, and is connected by 8pin winding displacements with master board.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Enclose and be defined.
Claims (10)
1. a kind of active audio amplifier, it is characterised in that including casing, master board, audio input interface plate, the decoding with power amplifier
Plate, power panel, display board and loudspeaker, the master board, power panel, the decoding deck with power amplifier and audio input interface plate are equal
It is arranged on the backboard of casing, the master board and audio input interface plate are connected by winding displacement, the decoding with power amplifier
Plate is connected with display board, power panel, audio input interface plate and loudspeaker by winding displacement respectively.
2. active audio amplifier according to claim 1, it is characterised in that be integrated with optical fiber on the audio input interface plate same
Axle digital input module, analog input module and bluetooth input module.
3. active audio amplifier according to claim 1, it is characterised in that the decoding deck with power amplifier is in audio amplifier bottom
Between position, by bass vibration radiated.
4. active audio amplifier according to claim 1, it is characterised in that Android intelligence is integrated with the master board
System module, HDMI high definitions input/output module, audio and video playing decoder, USB module, infrared remote control module, power management
Module, wireless module and cable network module.
5. active audio amplifier according to claim 1, it is characterised in that transformer, rectification mould are integrated with the power panel
Block and power filtering module.
6. active audio amplifier according to claim 1, it is characterised in that DSP sound is integrated with the decoding deck with power amplifier
Learn compensation circuit module, digital simulation decoder module, electronics partial power amplifier module, DSP sound fields expansion module and Power convert mould
Block.
7. active audio amplifier according to claim 1, it is characterised in that be integrated with the display board VFD display modules and
Infrared receiving module on infrared remote control receiving module, display board is transferred signals to above the infrared remote control module of master control borad.
8. active audio amplifier according to claim 1, it is characterised in that also including frequency divider, the loudspeaker includes middle pitch
Loudspeaker, woofer and high pitch loudspeaker, the loudspeaker include Squawker, woofer and high pitch loudspeaker
Connected with frequency divider.
9. active audio amplifier according to claim 8, it is characterised in that the Squawker is 4 cun of Squawkers, height
Sound loudspeaker is that 1 cun of high pitch loudspeaker, woofer are 5 cun of woofers.
10. active audio amplifier according to claim 4, it is characterised in that the wireless module is Wi-Fi module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611156987.1A CN107071627A (en) | 2016-12-14 | 2016-12-14 | Active audio amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611156987.1A CN107071627A (en) | 2016-12-14 | 2016-12-14 | Active audio amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107071627A true CN107071627A (en) | 2017-08-18 |
Family
ID=59619339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611156987.1A Pending CN107071627A (en) | 2016-12-14 | 2016-12-14 | Active audio amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107071627A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109246530A (en) * | 2018-08-28 | 2019-01-18 | 出门问问信息科技有限公司 | The display control method and display control unit of intelligent sound box, intelligent sound box |
Citations (8)
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|---|---|---|---|---|
| CN2884754Y (en) * | 2006-03-24 | 2007-03-28 | 王洪锋 | Improved active loudspeaker |
| CN200966159Y (en) * | 2005-11-11 | 2007-10-24 | 江潮 | Active sound box built-in with DVD player |
| CN200969644Y (en) * | 2006-10-30 | 2007-10-31 | 潘国平 | Recording storage and matrix control combined system |
| CN201608868U (en) * | 2009-11-10 | 2010-10-13 | 惠州市德赛视听科技有限公司 | Music center |
| CN103747408A (en) * | 2013-12-30 | 2014-04-23 | 深圳市广和通实业发展有限公司 | Audio performance test system and method |
| CN104363538A (en) * | 2014-10-29 | 2015-02-18 | 深圳市星盘科技有限公司 | Vocal cavity device and voice box |
| CN205566613U (en) * | 2016-04-19 | 2016-09-07 | 杨涛 | Active intelligent thing networking audio amplifier |
| CN205754721U (en) * | 2016-06-08 | 2016-11-30 | 视讯联合科技股份有限公司 | Multifunction module formula audio amplifier |
-
2016
- 2016-12-14 CN CN201611156987.1A patent/CN107071627A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200966159Y (en) * | 2005-11-11 | 2007-10-24 | 江潮 | Active sound box built-in with DVD player |
| CN2884754Y (en) * | 2006-03-24 | 2007-03-28 | 王洪锋 | Improved active loudspeaker |
| CN200969644Y (en) * | 2006-10-30 | 2007-10-31 | 潘国平 | Recording storage and matrix control combined system |
| CN201608868U (en) * | 2009-11-10 | 2010-10-13 | 惠州市德赛视听科技有限公司 | Music center |
| CN103747408A (en) * | 2013-12-30 | 2014-04-23 | 深圳市广和通实业发展有限公司 | Audio performance test system and method |
| CN104363538A (en) * | 2014-10-29 | 2015-02-18 | 深圳市星盘科技有限公司 | Vocal cavity device and voice box |
| CN205566613U (en) * | 2016-04-19 | 2016-09-07 | 杨涛 | Active intelligent thing networking audio amplifier |
| CN205754721U (en) * | 2016-06-08 | 2016-11-30 | 视讯联合科技股份有限公司 | Multifunction module formula audio amplifier |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109246530A (en) * | 2018-08-28 | 2019-01-18 | 出门问问信息科技有限公司 | The display control method and display control unit of intelligent sound box, intelligent sound box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170818 |
|
| RJ01 | Rejection of invention patent application after publication |