CN2847673Y - Professional power amplifying switch power source module - Google Patents
Professional power amplifying switch power source module Download PDFInfo
- Publication number
- CN2847673Y CN2847673Y CNU2005201202859U CN200520120285U CN2847673Y CN 2847673 Y CN2847673 Y CN 2847673Y CN U2005201202859 U CNU2005201202859 U CN U2005201202859U CN 200520120285 U CN200520120285 U CN 200520120285U CN 2847673 Y CN2847673 Y CN 2847673Y
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- high frequency
- power amplifier
- professional
- main transformer
- direct current
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Abstract
The utility model relates to a switch power supply assembly for a professional power amplifier. The utility model comprises a machine body with a single board which has isolated output from alternate current to direct current and can supply power for the professional power amplifier directly; a high frequency main transformer is placed on the right central part of a board basal body, and an oscillation push high frequency circuit with a strong interference source is arranged on the right central part of a board basal body too; radiation fins are installed on both sides of the high frequency main transformer, wherein the radiation fins on one side are in charge of heat radiation of a switching tube on the high voltage terminal and a rectifying bridge, and a high voltage direct current filtering and assisting unit is arranged on the periphery and is used for the switching tube to convert high frequency signals which are sent to the high frequency main transformer to perform energy conversion; the symmetrical radiation fins on the other side are in charge of the heat radiation of a fast rectifying tube after high frequency isolation and low voltage output, and a low voltage direct current filtering unit is arranged on the periphery and is used for supplying direct current energy for the professional power amplifier by direct transmission.
Description
Affiliated technical field:
The utility model relates to a kind of professional power amplifier switch power supply module, the high-power traditional Industrial Frequency Transformer power supply technological innovation substitute electric power new technology that volume weight is huge, utilance the is low specialty power amplifier switch power supply product assembly of particularly a kind of professional in the prior art power amplifier.
Background technology:
The specialty amplifier power supply is one of extremely important unit in the professional power amplifier, and power amplifier is power output stably in a long term, and capacity, the surplus of this and power supply have extremely important direct relation.As everyone knows: in existing high-power professional power amplifier, all be to use the Industrial Frequency Transformer power supply of high-power enough capacity, for obtaining enough electric power surpluses, filter capacitor often parallel connection adds to several ten thousand microfarads.This just must cause the low result of huge volume and weight and utilance.
Summary of the invention:
The objective of the invention is to: a kind of professional power amplifier switch power supply module is provided, its with existing traditional power frequency supply power is equal to, capacity is equal to Power Supply Assembly in, cumulative volume is traditional 1/3 at least, and total weight is traditional 1/5 the high-power professional power amplifier switch power supply module of novel high-frequency at least.
The technical scheme that its technical problem that solves the utility model adopts is: described high frequency main transformer and vibration promote just to be placed on the centre of board substrate; The fin of described genotron, switching tube and peripheral high voltage direct current filtering just are placed on a wherein side of high frequency main transformer both sides.The fin of the quick rectifying tube of described low pressure and peripheral low-voltage direct filtering just are placed on the symmetrical opposite side of high frequency main transformer both sides.
Specific descriptions are: a kind of professional power amplifier switch power supply module, the veneer body of isolating output and directly providing professional power amplifier to power from AC to DC is provided, and placed high frequency main transformer and vibration pushing unit in the centre of board substrate; Fin has been installed in the both sides of high frequency main transformer, and wherein a side is responsible for the heat radiation of high side switch pipe, high-voltage rectifying bridge, and the periphery then is high voltage direct current filtering and auxiliary unit.Fin has been installed in the both sides of high frequency main transformer, the quick rectifying tube heat radiation of low pressure output after the just responsible high-frequency isolation of the opposite side of symmetry, and the periphery is exactly the low-voltage direct filter unit.
The beneficial effects of the utility model are: the utility model has mainly solved the high-power traditional Industrial Frequency Transformer power supply substitute electric power product component that volume weight is huge, utilance is low of the professional power amplifier that exists in the prior art.A kind of professional power amplifier switch power supply module described in the utility model, the veneer body of isolating output and directly providing professional power amplifier to power from AC to DC is provided, has placed on high frequency main transformer and the layout vibration in the centre of board substrate and promoted high frequency strong interferers circuit; Fin has been installed in both sides in high frequency main transformer, and wherein a side is responsible for the heat radiation of high side switch pipe, rectifier bridge, and then to be high voltage direct current filtering and auxiliary unit convert high-frequency signal to for switching tube in the periphery delivers to high frequency main transformer and make power conversion; Quick rectifying tube heat radiation after the just responsible high-frequency isolation low pressure output of the opposite side fin of symmetry, the periphery is exactly the low-voltage direct filter unit, directly carries the professional power amplifier of supply that dc energy is provided.
Description of drawings:
The utility model is described in further detail below in conjunction with accompanying drawing and example:
Fig. 1 is that the interior power frequency supply of 2U specialty power amplifier of prior art is analysed and observe installation diagram;
Fig. 2 is a professional power amplifier switch power supply module described in the utility model in 2U specialty power amplifier analyses and observe installation diagram;
Fig. 3 is the schematic perspective view of professional power amplifier switch power supply module described in the utility model;
Specific embodiment:
Described high frequency main transformer and vibration promote just to be placed on the centre of board substrate; The fin of described genotron, switching tube and peripheral high voltage direct current filtering just are placed on a wherein side of high frequency main transformer both sides.The fin of the quick rectifying tube of described low pressure and peripheral low-voltage direct filtering just are placed on the symmetrical opposite side of high frequency main transformer both sides.
Specific descriptions are: a kind of professional power amplifier switch power supply module, the veneer body of isolating output and directly providing professional power amplifier to power from AC to DC is provided, and placed high frequency main transformer and vibration pushing unit in the centre of board substrate; Fin has been installed in the both sides of high frequency main transformer, and wherein a side is responsible for the heat radiation of high side switch pipe, high-voltage rectifying bridge, and the periphery then is high voltage direct current filtering and auxiliary unit.Fin has been installed in the both sides of high frequency main transformer, the quick rectifying tube heat radiation of low pressure output after the just responsible high-frequency isolation of the opposite side of symmetry, and the periphery is exactly the low-voltage direct filter unit.
A kind of professional power amplifier switch power supply module described in the utility model is as shown in the figure seen Fig. 3, and the veneer body of isolating output and directly providing professional power amplifier to power from AC to DC is provided, and has placed high frequency main transformer 1 in the centre of board substrate.
Fin has been installed in the left and right sides of described high frequency main transformer, and wherein a side is responsible for the heat radiation 2 of high side switch pipe, high-voltage rectifying bridge, and the periphery then is high voltage direct current filtering and auxiliary unit 3.
Quick rectifying tube heat radiation 4 after the symmetrical opposite side of described high frequency main transformer just is responsible for the output of high-frequency isolation low pressure, the periphery is exactly a low-voltage direct filter unit 5.
Claims (3)
1, the veneer body of isolating output and directly providing professional power amplifier to power from AC to DC is provided a kind of professional power amplifier switch power supply module, it is characterized in that: placed high frequency main transformer (1) and vibration pushing unit in the centre of board substrate.
2, a kind of professional power amplifier switch power supply module according to claim 1 is characterized in that:
Fin has been installed in the both sides of described high frequency main transformer, and wherein a side is responsible for the heat radiation (2) of high side switch pipe, high-voltage rectifying bridge, and the periphery then is high voltage direct current filtering and auxiliary unit (3).
3, a kind of professional power amplifier switch power supply module according to claim 1 is characterized in that:
Fin has been installed in the both sides of described high frequency main transformer, the quick rectifying tube heat radiation (4) of low pressure output after the just responsible high-frequency isolation of the opposite side of symmetry, and the periphery is exactly low-voltage direct filter unit (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201202859U CN2847673Y (en) | 2005-12-19 | 2005-12-19 | Professional power amplifying switch power source module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201202859U CN2847673Y (en) | 2005-12-19 | 2005-12-19 | Professional power amplifying switch power source module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2847673Y true CN2847673Y (en) | 2006-12-13 |
Family
ID=37513095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005201202859U Expired - Fee Related CN2847673Y (en) | 2005-12-19 | 2005-12-19 | Professional power amplifying switch power source module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2847673Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101340140B (en) * | 2007-07-04 | 2011-05-11 | 丰田自动车株式会社 | Abnormality detecting device of electric power converting device and abnormality detecting method |
| CN101291114B (en) * | 2007-04-19 | 2012-01-25 | 东芝电梯株式会社 | Power switching device |
| CN107786073A (en) * | 2017-12-09 | 2018-03-09 | 中国电子科技集团公司第四十三研究所 | A kind of Switching Power Supply standard cell circuit and device |
-
2005
- 2005-12-19 CN CNU2005201202859U patent/CN2847673Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101291114B (en) * | 2007-04-19 | 2012-01-25 | 东芝电梯株式会社 | Power switching device |
| CN101340140B (en) * | 2007-07-04 | 2011-05-11 | 丰田自动车株式会社 | Abnormality detecting device of electric power converting device and abnormality detecting method |
| CN107786073A (en) * | 2017-12-09 | 2018-03-09 | 中国电子科技集团公司第四十三研究所 | A kind of Switching Power Supply standard cell circuit and device |
| CN107786073B (en) * | 2017-12-09 | 2023-11-07 | 中国电子科技集团公司第四十三研究所 | Standard unit circuit and device of switching power supply |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Zeng Yuhui Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061213 |