CN104410268A - Method for realizing 900-W high-efficiency isolated power supply module - Google Patents
Method for realizing 900-W high-efficiency isolated power supply module Download PDFInfo
- Publication number
- CN104410268A CN104410268A CN201410807079.9A CN201410807079A CN104410268A CN 104410268 A CN104410268 A CN 104410268A CN 201410807079 A CN201410807079 A CN 201410807079A CN 104410268 A CN104410268 A CN 104410268A
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- Prior art keywords
- module
- power supply
- modular converter
- active clamp
- over
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/285—Single converters with a plurality of output stages connected in parallel
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention discloses a method for realizing a 900-W high-efficiency isolated power supply module. The method utilizes an over-current detection module, an enable input conversion module, an active clamp conversion module, a load balancing module, an over-voltage detection module, an anti-backflow module, a control module and an adjustable resistor, wherein the input end of a direct current power supply is connected with the over-current detection module, the output end of the direct current power supply is connected with the anti-backflow module, and the active clamp conversion module and the load balancing module are connected between the over-current detection module and the anti-backflow module; an enable control input end is connected with the enable input conversion module, and the control module and the over-voltage detection module are arranged between the enable input conversion module and the output end of the direct current power supply; and the adjustable resistor is arranged between the active clamp conversion module and the output end of the direct current power supply. The method for realizing the 900-W high-efficiency isolated power supply module has the advantages that the use flexibility of modules is effectively improved, the redundancy function is realized, and the stability of a redundant use occasion of the power supply module is ensured; and the safety of the power supply module is greatly improved.
Description
Technical field
The present invention relates to insulating power supply building block technique field, specifically a kind of method realizing 900W high efficiency insulating power supply module.
Background technology
Along with the develop rapidly of electron trade, electronic communication system is also more and more harsher to the requirement of power supply, the switch power technology of high frequency small becomes the main flow of electronic communication electric power system, and the modular power that high-power high-efficiency easily extensible uses also develops rapidly thereupon.
Existing a lot of chip manufacturer (as: Linear, Maxim etc.) can provide the high-performance power conversion chip being applicable to different topology at present, and provides comparatively reliable voltage adjustment solution.
Usually can adopt powerful power-supply system in high-end server product, simultaneously in order to meet the requirement of safety regulations, power-supply system needs to realize isolating comparatively reliably, does not have desirable partition method at present.
Summary of the invention
Technical assignment of the present invention is to provide a kind of method realizing 900W high efficiency insulating power supply module.
Technical assignment of the present invention realizes in the following manner, and the method adopts over-current detection module, enable input modular converter, active clamp modular converter, load balancing module, overvoltage detection module, reverse-filling module and control module and adjustable resistance;
DC supply input and over-current detection model calling, DC power output end and reverse-filling model calling, be connected with active clamp modular converter and load balancing module between over-current detection module and reverse-filling module;
Enable control input end is connected with enable input modular converter, is provided with control module and overvoltage detection module between enable input modular converter and DC power output end;
Adjustable resistance is provided with between active clamp modular converter and DC power output end.
Described active clamp modular converter and load balancing module are respectively provided with two, and an active clamp modular converter and a load balancing module are cascaded formation one group, and two groups are connected in parallel between over-current detection module and reverse-filling module.
The voltage of described DC supply input is at 18V ~ 36V, and DC power output end voltage is at 18V ~ 12V.
Described active clamp modular converter is 500W active clamp modular converter.
A kind of method realizing 900W high efficiency insulating power supply module of the present invention, effectively adds the flexibility increasing module and use, ensure that the realization of redundancy feature, ensure the stability of power module redundancy use occasion; The fail safe of power module is greatly improved.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of structured flowchart realizing the method for 900W high efficiency insulating power supply module.
Embodiment
Embodiment 1:
This method realizing 900W high efficiency insulating power supply module adopts over-current detection module, enable input modular converter, 500W active clamp modular converter, load balancing module, overvoltage detection module, reverse-filling module and control module and adjustable resistance; Above-mentioned module is all obtained by market purchasing.
DC supply input Vi(DC18V ~ 36V) and over-current detection model calling, DC power output end Vout(DC18V ~ 12V) and reverse-filling model calling, be connected with active clamp modular converter and load balancing module between over-current detection module and reverse-filling module; Enable control input end is connected with enable input modular converter, is provided with control module and overvoltage detection module between enable input modular converter and DC power output end; Adjustable resistance is provided with between active clamp modular converter and DC power output end.
Embodiment 2:
This method realizing 900W high efficiency insulating power supply module adopts over-current detection module, enable input modular converter, 500W active clamp modular converter, load balancing module, overvoltage detection module, reverse-filling module and control module and adjustable resistance; Above-mentioned module is all obtained by market purchasing.
DC supply input Vi(DC18V ~ 36V) and over-current detection model calling, DC power output end Vout(DC18V ~ 12V) and reverse-filling model calling, be connected with active clamp modular converter and load balancing module between over-current detection module and reverse-filling module; Active clamp modular converter and load balancing module are respectively provided with two, and an active clamp modular converter and a load balancing module are cascaded formation one group, and two groups are connected in parallel between over-current detection module and reverse-filling module; Enable control input end is connected with enable input modular converter, is provided with control module and overvoltage detection module between enable input modular converter and DC power output end; Be provided with adjustable resistance between active clamp modular converter and DC power output end, output voltage can be adjusted easily by adjustment adjustable resistance.
Load balancing module add the load balancing not only achieved between two-way active-clamp change-over circuit, and can by load balancing end realize power module N+1 parallel connection use time module between load balancing, increase the flexibility that module uses, reverse-filling module add the realization that ensure that redundancy feature, ensure the stability of power module redundancy use occasion.
Overvoltage detection module and over-current detection module, when abnormal conditions appear in power module circuitry, turn off active-clamp change-over circuit in time; Enable input modular converter can realize external circuit easily and control the unlatching of power module; The physical isolation of transformer in active-clamp topology with itself has implemented power module input and between output ground, these all make the fail safe of power module be greatly improved.
By embodiment above, described those skilled in the art can be easy to realize the present invention.But should be appreciated that the present invention is not limited to above-mentioned several embodiments.On the basis of disclosed execution mode, described those skilled in the art can the different technical characteristic of combination in any, thus realizes different technical schemes.
Claims (4)
1. one kind realizes the method for 900W high efficiency insulating power supply module, it is characterized in that, the method adopts over-current detection module, enable input modular converter, active clamp modular converter, load balancing module, overvoltage detection module, reverse-filling module and control module and adjustable resistance;
DC supply input and over-current detection model calling, DC power output end and reverse-filling model calling, be connected with active clamp modular converter and load balancing module between over-current detection module and reverse-filling module;
Enable control input end is connected with enable input modular converter, is provided with control module and overvoltage detection module between enable input modular converter and DC power output end;
Adjustable resistance is provided with between active clamp modular converter and DC power output end.
2. a kind of method realizing 900W high efficiency insulating power supply module according to claim 1, it is characterized in that, described active clamp modular converter and load balancing module are respectively provided with two, an active clamp modular converter and a load balancing module are cascaded formation one group, and two groups are connected in parallel between over-current detection module and reverse-filling module.
3. a kind of method realizing 900W high efficiency insulating power supply module according to claim 1, it is characterized in that, the voltage of described DC supply input is at 18V ~ 36V, and DC power output end voltage is at 18V ~ 12V.
4. a kind of method realizing 900W high efficiency insulating power supply module according to claim 1, is characterized in that, described active clamp modular converter is 500W active clamp modular converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410807079.9A CN104410268A (en) | 2014-12-23 | 2014-12-23 | Method for realizing 900-W high-efficiency isolated power supply module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410807079.9A CN104410268A (en) | 2014-12-23 | 2014-12-23 | Method for realizing 900-W high-efficiency isolated power supply module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104410268A true CN104410268A (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410807079.9A Pending CN104410268A (en) | 2014-12-23 | 2014-12-23 | Method for realizing 900-W high-efficiency isolated power supply module |
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| CN (1) | CN104410268A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201765556U (en) * | 2010-09-25 | 2011-03-16 | 山东超越数控电子有限公司 | Novel CPCI power supply redundant board |
| CN202443409U (en) * | 2012-02-08 | 2012-09-19 | 山东超越数控电子有限公司 | Novel CPCI (compact peripheral component interconnect) wide-temperature stabilized power supply |
| CN103248233A (en) * | 2013-04-26 | 2013-08-14 | 山东超越数控电子有限公司 | Method for realizing power isolation |
| CN203241913U (en) * | 2013-04-16 | 2013-10-16 | 山东超越数控电子有限公司 | High-power CPCI power module with redundancy function |
| CN203595958U (en) * | 2013-11-22 | 2014-05-14 | 山东超越数控电子有限公司 | N+1 redundant power source load balancing circuit based on CPCI interface |
-
2014
- 2014-12-23 CN CN201410807079.9A patent/CN104410268A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201765556U (en) * | 2010-09-25 | 2011-03-16 | 山东超越数控电子有限公司 | Novel CPCI power supply redundant board |
| CN202443409U (en) * | 2012-02-08 | 2012-09-19 | 山东超越数控电子有限公司 | Novel CPCI (compact peripheral component interconnect) wide-temperature stabilized power supply |
| CN203241913U (en) * | 2013-04-16 | 2013-10-16 | 山东超越数控电子有限公司 | High-power CPCI power module with redundancy function |
| CN103248233A (en) * | 2013-04-26 | 2013-08-14 | 山东超越数控电子有限公司 | Method for realizing power isolation |
| CN203595958U (en) * | 2013-11-22 | 2014-05-14 | 山东超越数控电子有限公司 | N+1 redundant power source load balancing circuit based on CPCI interface |
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Application publication date: 20150311 |
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