CN103248984A - Audio power amplifier module supporting hot plug and method of audio power amplifier module - Google Patents
Audio power amplifier module supporting hot plug and method of audio power amplifier module Download PDFInfo
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- CN103248984A CN103248984A CN2013101349513A CN201310134951A CN103248984A CN 103248984 A CN103248984 A CN 103248984A CN 2013101349513 A CN2013101349513 A CN 2013101349513A CN 201310134951 A CN201310134951 A CN 201310134951A CN 103248984 A CN103248984 A CN 103248984A
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- plug
- power amplifier
- amplifier module
- high voltage
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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 the power amplification device technical field, specifically, relate to a kind of audio frequency power amplifier module and method thereof of supporting hot plug.
Background technology
The audio frequency power amplifier system is the capital equipment in the stereo set, and power amplifier claims power amplifier again, and it is that the ultra-weak electronic signal from signal source is amplified, to drive the equipment that loud speaker is sounded.Hence one can see that, and the audio frequency power amplifier system plays crucial effects to the quality of stereo set.
But, under stereo set is also in running order, when need increasing new power amplifier module or reducing the power amplifier module again or when changing the power amplifier module, can make audio amplifier produce noise to the plug of power amplifier module, sometimes because the variation of voltage or electric current even can cause damage to audio amplifier or power amplifier module.
And, have audio frequency power amplifier now, also do not support the function of power amplifier module hot plug.
Summary of the invention
The present invention has overcome shortcoming of the prior art, and a kind of audio frequency power amplifier module and method thereof of supporting hot plug is provided, and it can directly plug the power amplifier module down in working order, and carry out noiselessness, do not have the hot plug that damages, and working stability, simple and reliable.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions:
A kind of audio frequency power amplifier module of supporting hot plug, the golden finger insertion end of described power amplifier module arranges feed positive high voltage plug, feed negative high voltage plug, power supply high voltage state-detection plug, the over-current detection plug, the signal input plug, power output plug and earth terminal, described feed positive high voltage plug and feed negative high voltage plug head arrange the high-pressure buffer plug, described high-pressure buffer plug head, earth terminal front end and described power supply high voltage state-detection plug head are concordant, described feed positive high voltage plug head, feed negative high voltage plug head is concordant with power output plug front end, and described over-current detection plug and signal input plug front end are lower than described power output plug front end.
Further, described high-pressure buffer plug is L shaped, one side described L shaped high-pressure buffer plug be located at described feed positive high voltage plug head.
Further, the insertion end of described power amplifier module also arranges the temperature protection plug, and described temperature protection plug head is concordant with described high-pressure buffer plug head.
Further, the insertion end of described power amplifier module also arranges the amplitude limit test plug, and described amplitude limit test plug front end is concordant with described high-pressure buffer plug head.
Further, the insertion end of described power amplifier module also arranges quiet Opportunity awaiting control for linear plug, and described quiet Opportunity awaiting control for linear plug head is concordant with described high-pressure buffer plug head.
A kind of method of utilizing described audio frequency power amplifier module to realize hot plug may further comprise the steps:
1, the power amplifier module inserts;
2, the high-pressure buffer plug at first is communicated with;
3, high voltage plug electric power inserts, and the high voltage plug comprises feed positive high voltage plug and feed negative high voltage plug;
4, the power supply high voltage state-detection is differentiated, if the power supply high voltage state is normal, enters next step, as undesired, and the standby of power amplifier module;
5, power amplifier module automatic mute;
6, audio signal input, the power amplifier module automatically terminates quiet, and volume is slow then starts power amplifier module and machine operate as normal.
Compared with prior art, the invention has the beneficial effects as follows:
A kind of audio frequency power amplifier module and method thereof of supporting hot plug of the present invention, it can carry out power amplifier module noiselessness, not have the hot plug that damages, and realizes Fast Installation, dismounting power amplifier module, and dismounting is quick and convenient, and simple and reliable.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, is used from explanation the present invention with embodiments of the invention one, be not construed as limiting the invention, in the accompanying drawings:
Fig. 1 is a kind of structural representation of supporting the audio frequency power amplifier module of hot plug of the present invention;
Fig. 2 is a kind of FB(flow block) of utilizing described power amplifier module to realize the method for hot plug of the present invention;
Fig. 3 is high-pressure buffer plug circuit diagram;
Fig. 4 is high voltage plug electric power place in circuit figure;
Fig. 5 is that the power amplifier module is realized quiet and soft-start circuit figure automatically;
Fig. 6 is DE-mute, the circuit diagram of power amplifier module operate as normal.
Wherein, 1---feed positive high voltage plug; 2---feed negative high voltage plug;
3---power supply high voltage state-detection plug; 4---the over-current detection plug;
5---the signal input plug; 6---the power output plug;
7---earth terminal; 8---the high-pressure buffer plug;
9---the temperature protection plug; 10---the amplitude limit test plug;
11---quiet Opportunity awaiting control for linear plug.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in restriction the present invention.
As shown in Figure 1, a kind of audio frequency power amplifier module of supporting hot plug of the present invention, the golden finger insertion end of power amplifier module arranges 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 ends arrange high-pressure buffer plug 8, high-pressure buffer plug 8 front ends, earth terminal 7 front ends and power supply high voltage state-detection plug 3 front ends are concordant, feed positive high voltage plug 1 front end, feed negative high voltage plug 2 front ends are concordant with power output plug 6 front ends, and over-current detection plug 4 and signal input plug 5 front ends are lower than power output plug 6 front ends.
The audio frequency power amplifier module bad phenomenon such as surge current or surge voltage can not occur when hot plug.
High-pressure buffer plug 8 is L shaped, one side L shaped high-pressure buffer plug 8 be located at feed positive high voltage plug 1 front end.
The golden finger insertion end of power amplifier module also arranges temperature protection plug 9, amplitude limit test plug 10 and quiet Opportunity awaiting control for linear plug 11; temperature protection plug 9 front ends are concordant with high-pressure buffer plug 8 front ends; amplitude limit test plug 10 front ends are concordant with described high-pressure buffer plug 8 front ends, and quiet Opportunity awaiting control for linear plug 11 front ends are concordant with high-pressure buffer plug 8 front ends.
The course of work of the present invention is:
Consult Fig. 2, when the golden finger insertion end of power amplifier module is inserted socket, high-pressure buffer plug 8(Fig. 3 is high-pressure buffer 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 and socket successively be communicated with in succession, the power supply high voltage state carries out voltage detecting and differentiates, if the power supply high voltage state is normal, enter next step, as undesired, the standby of power amplifier module; When the power supply high voltage state just often, high voltage plug (comprising feed positive high voltage plug 1 and feed negative high voltage plug 2) carries out electric power and inserts (Fig. 4 is high voltage plug electric power place in circuit figure), the power amplifier module is realized quiet automatically, the audio signal input, last DE-mute, volume is slow then starts (Fig. 5 is that the power amplifier module is realized quiet and soft-start circuit figure automatically), power amplifier module and machine operate as normal (Fig. 6 is DE-mute, the circuit diagram of power amplifier module operate as normal).
It should be noted that at last: above only is the preferred embodiments of the present invention; be not limited to the present invention; although the present invention has been described in detail with reference to embodiment; for a person skilled in the art; it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing; perhaps part technical characterictic wherein is equal to replacement; but it is within the spirit and principles in the present invention all; any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. audio frequency power amplifier module of supporting hot plug, it is characterized in that, the golden finger insertion end of described power amplifier module arranges feed positive high voltage plug, feed negative high voltage plug, power supply high voltage state-detection plug, the over-current detection plug, the signal input plug, power output plug and earth terminal, described feed positive high voltage plug and feed negative high voltage plug head arrange the high-pressure buffer plug, described high-pressure buffer plug head, earth terminal front end and described power supply high voltage state-detection plug head are concordant, described feed positive high voltage plug head, feed negative high voltage plug head is concordant with power output plug front end, and described over-current detection plug and signal input plug front end are lower than described power output plug front end.
2. the audio frequency power amplifier module of support hot plug according to claim 1 is characterized in that, described high-pressure buffer plug is L shaped, one side described L shaped high-pressure buffer plug be located at described feed positive high voltage plug head.
3. the audio frequency power amplifier module of support hot plug according to claim 1 and 2 is characterized in that, the insertion end of described power amplifier module also arranges the temperature protection plug, and described temperature protection plug head is concordant with described high-pressure buffer plug head.
4. the audio frequency power amplifier module of support hot plug according to claim 1 and 2 is characterized in that, the insertion end of described power amplifier module also arranges the amplitude limit test plug, and described amplitude limit test plug front end is concordant with described high-pressure buffer plug head.
5. the audio frequency power amplifier module of support hot plug according to claim 1 and 2 is characterized in that, the insertion end of described power amplifier module also arranges quiet Opportunity awaiting control for linear plug, and described quiet Opportunity awaiting control for linear plug head is concordant with described high-pressure buffer plug head.
6. a method of utilizing the described audio frequency power amplifier module of claim 1 to realize hot plug is characterized in that, may further comprise the steps:
1, the power amplifier module inserts;
2, the high-pressure buffer plug at first is communicated with;
3, high voltage plug electric power inserts, and the high voltage plug comprises feed positive high voltage plug and feed negative high voltage plug;
4, the power supply high voltage state-detection is differentiated, if the power supply high voltage state is normal, enters next step, as undesired, and the standby of power amplifier module;
5, power amplifier module automatic mute;
6, audio signal input, the power amplifier module automatically terminates quiet, and volume is slow then starts power amplifier module and machine operate as normal.
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 true CN103248984A (en) | 2013-08-14 |
| CN103248984B 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) | TWM489424U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111464803A (en) * | 2020-04-16 | 2020-07-28 | 中国长城科技集团股份有限公司 | Display control system |
| WO2023169721A1 (en) | 2022-03-09 | 2023-09-14 | Seidler Juergen | Active loudspeaker with acoustically decoupled and/or thermally coupled modules |
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|---|---|---|---|---|
| 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 |
| US20090150589A1 (en) * | 2007-12-07 | 2009-06-11 | Watarai Chikara | Hot-plug signal output apparatus and hot-plug signal input/output apparatus |
| 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 (3)
| 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 |
| 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 TW103202980U patent/TWM489424U/en unknown
- 2014-02-20 TW TW103105738A patent/TWI589114B/en active
Patent Citations (6)
| 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 |
| US20090150589A1 (en) * | 2007-12-07 | 2009-06-11 | Watarai Chikara | Hot-plug signal output apparatus and hot-plug signal input/output apparatus |
| 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111464803A (en) * | 2020-04-16 | 2020-07-28 | 中国长城科技集团股份有限公司 | Display control system |
| 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 |
| WO2023169721A1 (en) | 2022-03-09 | 2023-09-14 | Seidler Juergen | Active loudspeaker with acoustically decoupled and/or thermally coupled modules |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM489424U (en) | 2014-11-01 |
| CN103248984B (en) | 2017-02-08 |
| TW201444271A (en) | 2014-11-16 |
| TWI589114B (en) | 2017-06-21 |
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