CN103248984B - Method for achieving hot plugging through audio power amplifier module supporting hot plugging - Google Patents
Method for achieving hot plugging through audio power amplifier module supporting hot plugging Download PDFInfo
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- CN103248984B CN103248984B CN201310134951.3A CN201310134951A CN103248984B CN 103248984 B CN103248984 B CN 103248984B CN 201310134951 A CN201310134951 A CN 201310134951A CN 103248984 B CN103248984 B CN 103248984B
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- plug
- power amplifier
- high voltage
- amplifier module
- feed
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Abstract
The invention relates to an audio power amplifier module for supporting hot plugging. A feed positive high-voltage plug, a feed negative high-voltage plug, a power supply high-voltage-state detection plug, an over-current detection plug, a signal input plug, a power output plug and a ground terminal are arranged in a golden finger insertion end of the audio power amplifier module; high-voltage buffering plugs are arranged at the front ends of the feed positive high-voltage plug and the feed negative high-voltage plug; the front ends of the high-voltage buffering plugs, the front end of the ground terminal, the front end of the power supply high-voltage-state detection plug are flush; the front end of the feed positive high-voltage plug, the front end of the feed negative high-voltage plug and the front end of the power output plug are flush; and the front ends of the over-current detection plug and the signal input plug are lower than the front end of the power output plug. According to the audio power amplifier module, noise-free and damage-free hot plugging of the audio power amplifier module can be performed, the audio power amplifier module can be rapidly assembled and disassembled, and the assembly and the disassembly are fast, convenient, simple and reliable.
Description
Technical field
The present invention relates to power amplification device technical field, specifically, it is related to a kind of audio frequency power amplifier module supporting hot plug
And its method.
Background technology
Audio power amplification system is the capital equipment in stereo set, and also known as power amplifier, it is from signal to power amplifier
The ultra-weak electronic signal in source is amplified, and sends the equipment of sound with drive the speaker.It follows that audio power amplification system is to sound equipment
The quality of equipment plays vital effect.
But, when stereo set is also under working condition, needing to increase new power amplifier module or reduce power amplifier module
And or when changing power amplifier module, the plug to power amplifier module can make audio amplifier produce noise, sometimes due to the change of voltage or electric current
Change and even audio amplifier or power amplifier module can be caused to damage.
And, existing audio frequency power amplifier, also do not support the function of power amplifier module hot plug.
Content of the invention
Instant invention overcomes shortcoming of the prior art, there is provided a kind of audio frequency power amplifier module supporting hot plug and its side
Method, it lower in working order directly can plug power amplifier module, carries out noiselessness, the hot plug of no damage, and working stability, letter
Single reliable.
In order to solve above-mentioned technical problem, the present invention is achieved by the following technical solutions：
A kind of audio frequency power amplifier module supporting hot plug, the golden finger insertion end setting feed positive high voltage of described power amplifier module
Plug, feed negative high voltage plug, power supply high voltage state-detection plug, over-current detection plug, signal input plug, power output are inserted
Head and earth terminal, described feed positive high voltage plug and feed negative high voltage plug head setting high-pressure buffer plug, described high pressure
Damper plug front end, earth terminal front end and described power supply high voltage state-detection plug head are concordant, and described feed positive high voltage is inserted
Head front end, feed negative high voltage plug head are concordant with power output plug head, and described over-current detection plug and signal input are inserted
Head front end is less than described power output plug head.
Further, described high-pressure buffer plug be L-shaped, described L-shaped high-pressure buffer plug located at described feed just
High-voltage plug front end.
Further, the insertion end of described power amplifier module also sets up temperature protection plug, described temperature protection plug head and
Described high-pressure buffer plug head is concordant.
Further, the insertion end of described power amplifier module also sets up amplitude limit test plug, described amplitude limit test plug front end and
Described high-pressure buffer plug head is concordant.
Further, the insertion end of described power amplifier module also sets up quiet Opportunity awaiting control for linear plug, and described quiet Opportunity awaiting control for linear is inserted
Head front end is concordant with described high-pressure buffer plug head.
A kind of method realizing hot plug using described audio frequency power amplifier module, comprises the following steps：
1st, power amplifier module insertion；
2nd, high-pressure buffer plug connects first；
3rd, high voltage header power accesses, and high voltage plug includes feeding positive high voltage plug and feed negative high voltage plug；
4th, power supply high voltage state-detection differentiates, if power supply high voltage state is normal, enters next step, such as abnormal, work(
Put module standby；
5th, power amplifier module automatic mute；
6th, audio signal input, power amplifier module automatically terminates quiet, then volume delay startup, and power amplifier module and machine are normal
Work.
Compared with prior art, the invention has the beneficial effects as follows：
A kind of audio frequency power amplifier module supporting hot plug of the present invention and its method, it can carry out power amplifier module no
The hot plug of noise, no damage, realizes Fast Installation, dismounting power amplifier module, and dismounting is quick and convenient, and simple and reliable.
Brief description
Accompanying drawing is used for providing a further understanding of the present invention, is used for together with embodiments of the present invention explaining the present invention,
It is not construed as limiting the invention, in the accompanying drawings：
Fig. 1 is a kind of structural representation of audio frequency power amplifier module supporting hot plug of the present invention；
Fig. 2 is a kind of FB(flow block) of method realizing hot plug using described power amplifier module of the present invention；
Fig. 3 is high-pressure buffer plug circuit diagram；
Fig. 4 is that high voltage header power accesses circuit diagram；
Fig. 5 is that power amplifier module is automatically obtained quiet and soft-start circuit figure；
Fig. 6 is DE-mute, the circuit diagram of power amplifier module normal work.
Wherein, 1 feed positive high voltage plug；2 feed negative high voltage plugs；
3 power supply high voltage state-detection plugs；4 over-current detection plugs；
5 signal input plugs；6 power output plugs；
7 earth terminals；8 high-pressure buffer plugs；
9 temperature protection plugs；10 amplitude limit test plug；
11 quiet Opportunity awaiting control for linear plugs.
Specific embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are illustrated it will be appreciated that preferred reality described herein
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
As shown in figure 1, a kind of audio frequency power amplifier module supporting hot plug of the present invention, the golden finger of power amplifier module is inserted
Enter end setting feed positive high voltage plug 1, feed negative high voltage plug 2, power supply high voltage state-detection plug 3, over-current detection plug 4,
Signal input plug 5, power output plug 6 and earth terminal 7, feed positive high voltage plug 1 and feed negative high voltage plug 2 front end set
Put high-pressure buffer plug 8, hold level with both hands before high-pressure buffer plug 8 front end, earth terminal 7 front end and power supply high voltage state-detection plug 3
Together, feed positive high voltage plug 1 front end, feed negative high voltage plug 2 front end are concordant with power output plug 6 front end, and over-current detection is inserted
4 and signal input plug 5 front end be less than power output plug 6 front end.
Audio frequency power amplifier module is not in the bad phenomenon such as surge current or surge voltage in hot plug.
High-pressure buffer plug 8 be L-shaped, L-shaped high-pressure buffer plug 8 located at feed positive high voltage plug 1 front end.
The golden finger insertion end of power amplifier module also sets up temperature protection plug 9, amplitude limit test plug 10 and quiet standby control
Plug 11 processed, temperature protection plug 9 front end is concordant with high-pressure buffer plug 8 front end, amplitude limit test plug 10 front end and described height
Pressure damper plug 8 front end is concordant, and quiet Opportunity awaiting control for linear plug 11 front end is concordant with high-pressure buffer plug 8 front end.
The work process of the present invention is：
Refering to Fig. 2, when the golden finger insertion end insertion socket of power amplifier module, (Fig. 3 is that high pressure delays to high-pressure buffer plug 8
Rush plug circuit diagram), earth terminal 7, temperature protection plug 9, power supply high voltage state-detection plug 3, amplitude limit test plug 10 and
Quiet Opportunity awaiting control for linear plug 11 successively connects in succession with socket, and power supply high voltage state carries out voltage detecting differentiation, if power supply is high
Pressure condition is normal, enters next step, such as abnormal, power amplifier module is standby；When power supply high voltage state is normal, high voltage plug
(including feed positive high voltage plug 1 and feed negative high voltage plug 2) carries out electric power access, and (Fig. 4 is that high voltage header power accesses electricity
Road figure), power amplifier module is automatically obtained quiet, audio signal input, last DE-mute, and then (Fig. 5 is power amplifier to volume delay startup
Module is automatically obtained quiet and soft-start circuit figure), (Fig. 6 is DE-mute, power amplifier module for power amplifier module and machine normal work
The circuit diagram of normal work).
Finally it should be noted that：These are only the preferred embodiments of the present invention, be not limited to the present invention, although
With reference to embodiment, the present invention is described in detail, for a person skilled in the art, it still can be to aforementioned
Technical scheme described in each embodiment is modified, or carries out equivalent to wherein some technical characteristics, but all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvement made etc., should be included in the protection of the present invention
Within the scope of.
Claims (2)
1. a kind of realize the method for hot plug it is characterised in that described power amplifier mould using the audio frequency power amplifier module supporting hot plug
The golden finger insertion end setting feed positive high voltage plug of group, feed negative high voltage plug, power supply high voltage state-detection plug, excessively stream inspection
Survey plug, signal input plug, power output plug and earth terminal, described feed positive high voltage plug and feed negative high voltage plug
Front end arranges high-pressure buffer plug, described high-pressure buffer plug head, earth terminal front end and described power supply high voltage state-detection
Plug head is concordant, and described feed positive high voltage plug head, feed negative high voltage plug head are concordant with power output plug head,
Described over-current detection plug and signal input plug front end are less than described power output plug head；Described high-pressure buffer plug is
L-shaped, described L-shaped high-pressure buffer plug located at described feed positive high voltage plug head；
The insertion end of described power amplifier module also sets up quiet Opportunity awaiting control for linear plug, described quiet Opportunity awaiting control for linear plug head and described
High-pressure buffer plug head is concordant；
The insertion end of described power amplifier module also sets up amplitude limit test plug, described amplitude limit test plug front end and described high-pressure buffer
Plug head is concordant；
Comprise the following steps：
(1) power amplifier module insertion；
(2) high-pressure buffer plug connects first；
(3) power supply high voltage state-detection differentiates, if power supply high voltage state is normal, enters next step, such as abnormal, power amplifier mould
Group is standby；
(4) high voltage header power accesses, and high voltage plug includes feeding positive high voltage plug and feed negative high voltage plug；
(5) power amplifier module automatic mute；
(6) audio signal input, power amplifier module automatically terminates quiet, then volume delay startup, power amplifier module and the normal work of machine
Make.
2. a kind of method that audio frequency power amplifier module using support hot plug realizes hot plug according to claim 1, it is special
Levy and be, the insertion end of described power amplifier module also sets up temperature protection plug, described temperature protection plug head and described high pressure
Damper plug front end is concordant.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310134951.3A CN103248984B (en) | 2013-04-17 | 2013-04-17 | Method for achieving hot plugging through audio power amplifier module supporting hot plugging |
| TW103105738A TWI589114B (en) | 2013-04-17 | 2014-02-20 | A hot-swappable audio power amplifier module and method thereof |
| TW103202980U TWM489424U (en) | 2013-04-17 | 2014-02-20 | Audio power amplifying module supporting hot plugging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310134951.3A CN103248984B (en) | 2013-04-17 | 2013-04-17 | Method for achieving hot plugging through audio power amplifier module supporting hot plugging |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103248984A CN103248984A (en) | 2013-08-14 |
| CN103248984B true CN103248984B (en) | 2017-02-08 |
Family
ID=48928163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310134951.3A Active CN103248984B (en) | 2013-04-17 | 2013-04-17 | Method for achieving hot plugging through audio power amplifier module supporting hot plugging |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103248984B (en) |
| TW (2) | TWI589114B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111464803B (en) * | 2020-04-16 | 2022-04-12 | 中国长城科技集团股份有限公司 | Display control system |
| AT525078B1 (en) | 2022-03-09 | 2022-12-15 | Juergen Seidler | ACTIVE SPEAKERS WITH ACOUSTICALLY DECOUPLED AND/OR THERMALLY COUPLED MODULES |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6026458A (en) * | 1997-10-14 | 2000-02-15 | International Business Machines Corporation | System with pluggable adapter card and hot-swap interface controller |
| CN2591867Y (en) * | 2002-12-27 | 2003-12-10 | 北京吉兆电子有限公司 | Larger power thermal connect-and-disconnect frequency modulation power amplifier |
| CN201490975U (en) * | 2009-05-14 | 2010-05-26 | 广州飞达音响专业器材有限公司 | Digital power amplifier |
| CN103022831A (en) * | 2012-12-30 | 2013-04-03 | 青岛歌尔声学科技有限公司 | Earphone socket, earphone noise reduction device and earphone socket implementation method |
| CN203279150U (en) * | 2013-04-17 | 2013-11-06 | 佛山市毅丰电器实业有限公司 | Audio power amplifier module supporting hot plug |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2418618Y (en) * | 1999-11-25 | 2001-02-07 | 袁峰 | USB digital audio-frequency power amplifier |
| CN100410672C (en) * | 2004-06-16 | 2008-08-13 | 瑞昱半导体股份有限公司 | Signal output device and operation method |
| US20090150589A1 (en) * | 2007-12-07 | 2009-06-11 | Watarai Chikara | Hot-plug signal output apparatus and hot-plug signal input/output apparatus |
| TW201128945A (en) * | 2010-02-01 | 2011-08-16 | Hon Hai Prec Ind Co Ltd | Audio apparatus |
-
2013
- 2013-04-17 CN CN201310134951.3A patent/CN103248984B/en active Active
-
2014
- 2014-02-20 TW TW103105738A patent/TWI589114B/en active
- 2014-02-20 TW TW103202980U patent/TWM489424U/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6026458A (en) * | 1997-10-14 | 2000-02-15 | International Business Machines Corporation | System with pluggable adapter card and hot-swap interface controller |
| CN2591867Y (en) * | 2002-12-27 | 2003-12-10 | 北京吉兆电子有限公司 | Larger power thermal connect-and-disconnect frequency modulation power amplifier |
| CN201490975U (en) * | 2009-05-14 | 2010-05-26 | 广州飞达音响专业器材有限公司 | Digital power amplifier |
| CN103022831A (en) * | 2012-12-30 | 2013-04-03 | 青岛歌尔声学科技有限公司 | Earphone socket, earphone noise reduction device and earphone socket implementation method |
| CN203279150U (en) * | 2013-04-17 | 2013-11-06 | 佛山市毅丰电器实业有限公司 | Audio power amplifier module supporting hot plug |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI589114B (en) | 2017-06-21 |
| TWM489424U (en) | 2014-11-01 |
| CN103248984A (en) | 2013-08-14 |
| TW201444271A (en) | 2014-11-16 |
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