CN113300585B - Power supply system - Google Patents
Power supply system Download PDFInfo
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- CN113300585B CN113300585B CN202110579434.1A CN202110579434A CN113300585B CN 113300585 B CN113300585 B CN 113300585B CN 202110579434 A CN202110579434 A CN 202110579434A CN 113300585 B CN113300585 B CN 113300585B
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- power supply
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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
- H02M1/00—Details of apparatus for conversion
- H02M1/36—Means for starting or stopping converters
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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
- H02M1/00—Details of apparatus for conversion
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Abstract
The invention discloses a power supply system which comprises a plurality of power supply devices connected in parallel, a parallel power supply starting indication signal wire and a parallel power supply state indication signal wire, wherein a power supply starting indication signal processing unit, a power supply state indication signal processing unit, a starting control signal processing unit and a logic OR gate element are arranged in each power supply device. The parallel power supply starting indication signal of the parallel power supply starting indication signal line is synthesized by the single power supply starting indication signal of the power supply starting indication signal processing unit in each power supply device through the line and logic; the parallel power state indicating signal of the parallel power state indicating signal line is logically synthesized by wired-OR of single power state indicating signals of the power state indicating signal processing unit in each of the power devices. The invention can realize the synchronous start of the parallel power supply and meet the requirement of turning off or adding the power supply when the load changes.
Description
Technical Field
The invention relates to the technical field of power systems, in particular to a power supply system.
Background
In the application of the switching power supply, in order to realize higher power output, the parallel connection of a plurality of power supplies is a common application mode. When a plurality of power supplies connected in parallel are started, a synchronous starting technical mode or a redundant N +1 starting mode is mainly adopted, the two starting modes have respective advantages and disadvantages, the synchronous starting technology can realize that N times of the output power of a single power supply is started for N power supplies connected in parallel, but online turning off or adding of 1 or more power supplies cannot be realized when the load changes, the starting modes of the redundant N +1 are just opposite, and the flexible turning off or adding of 1 or more power supplies when the load changes is allowed, but the heavy load starting cannot be met.
Disclosure of Invention
The embodiment of the invention provides a power supply system, which can realize synchronous start of parallel power supplies and meet the requirement of turning off or adding the power supplies when the load changes.
An embodiment of the present invention provides a power supply system, including: the power supply device comprises a plurality of power supply devices connected in parallel, a parallel power supply starting indication signal wire and a parallel power supply state indication signal wire;
each power supply device comprises a power supply starting indication signal processing unit, a power supply state indication signal processing unit, a starting control signal processing unit and a logic OR gate element; the power supply starting indication signal processing unit is connected with the parallel power supply starting indication signal line, the power supply state indication signal processing unit is connected with the parallel power supply state indication signal line, the starting control signal processing unit is connected with the logic OR gate element, and the logic OR gate element is also connected with the parallel power supply starting indication signal line and the parallel power supply state indication signal line respectively;
the parallel power supply starting indication signal of the parallel power supply starting indication signal line is synthesized by the single power supply starting indication signal of the power supply starting indication signal processing unit in each power supply device through the line and logic;
the parallel power supply state indicating signals of the parallel power supply state indicating signal lines are logically synthesized by wired-OR of single power supply state indicating signals of the power supply state indicating signal processing units in each power supply device;
the power supply starting indication signal processing unit of each power supply device outputs a single power supply starting indication signal as a high-level signal when the power supply device meets a preset starting condition;
the power state indicating signal processing unit of each power supply device outputs a single power state indicating signal which is a high-level signal when the power supply device is in a starting state;
and the starting control signal processing unit of each power supply device controls the power supply device to start when receiving the high-level signal.
Further, each of the power supply devices further includes: a first diode; the power supply starting indication signal processing unit is connected with the parallel power supply starting indication signal wire through the first diode.
Further, each of the power supply devices further includes: a second diode; and the power supply state indication signal processing unit is connected with the parallel power supply state indication signal wire through the second diode.
Furthermore, the power supply start-up indication signal processing unit of each power supply device outputs a single power supply start-up indication signal as a low level signal when the power supply device does not meet the preset start-up condition.
Furthermore, the power state indication signal processing unit of each power supply device outputs a single power state indication signal as a low level signal when the power supply device is not in the power-on state.
The following advantageous effects are achieved by implementing the embodiments of the present invention;
the embodiment of the invention provides a power supply system, wherein a plurality of power supply devices connected in parallel, a parallel power supply starting indication signal line and a parallel power supply state indication signal line are arranged in the power supply system, and each power supply device is internally provided with a power supply starting indication signal processing unit, a power supply state indication signal processing unit, a starting control signal processing unit and a logic OR gate element. The parallel power supply starting indication signal of the parallel power supply starting indication signal line is synthesized by the single power supply starting indication signal of the power supply starting indication signal processing unit in each power supply device through the line and logic; the parallel power state indicating signal of the parallel power state indicating signal line is logically synthesized by wired-OR of single power state indicating signals of the power state indicating signal processing unit in each of the power devices. Under the normal starting condition, the power supply starting indication signal processing unit of each power supply device can continuously output a high level signal, and when and only when all single power supply starting indication signals output high level signals, the high level signal is output by parallel power supply starting indication signals synthesized with logic; when all power supply devices are started, the single power supply state indicating signals of all the power supply devices output high level signals, at the moment, the parallel power supply state indicating signals synthesized by OR logic are high level signals, if the power supply devices need to be turned off or increased due to load change, as long as one power supply device is in a starting state, the parallel power supply state indicating signals are always high level, the starting control signal processing units of other power supply devices can also always receive the high level signals, the starting of each power supply device is not controlled by the parallel power supply starting indicating signals, and the whole power supply system enters a redundancy N +1 control mode. Compared with the prior art, the power supply system disclosed by the invention can realize synchronous starting of the parallel power supplies and ensure that the starting states of other power supply devices are not influenced when the power supply devices are turned off or increased, thereby meeting the requirements of turning off or adding the power supplies when the load changes.
Drawings
Fig. 1 is a schematic structural diagram of a power supply system according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1: an embodiment of the present invention provides a power supply system including: the power supply device comprises a plurality of power supply devices connected in parallel, a parallel power supply starting indication signal wire and a parallel power supply state indication signal wire;
each power supply device comprises a power supply starting indication signal processing unit, a power supply state indication signal processing unit, a starting control signal processing unit and a logic OR gate element; the power supply starting indication signal processing unit is connected with the parallel power supply starting indication signal line, the power supply state indication signal processing unit is connected with the parallel power supply state indication signal line, the starting control signal processing unit is connected with the logic OR gate element, and the logic OR gate element is also connected with the parallel power supply starting indication signal line and the parallel power supply state indication signal line respectively;
the parallel power supply starting indication signal of the parallel power supply starting indication signal line is synthesized by the single power supply starting indication signal of the power supply starting indication signal processing unit in each power supply device through the line and logic;
the parallel power supply state indicating signals of the parallel power supply state indicating signal lines are logically synthesized by wired-OR of single power supply state indicating signals of the power supply state indicating signal processing units in each power supply device;
the power supply starting indication signal processing unit of each power supply device outputs a single power supply starting indication signal as a high-level signal when the power supply device meets a preset starting condition;
the power state indicating signal processing unit of each power supply device outputs a single power state indicating signal which is a high-level signal when the power supply device is in a starting state;
and the starting control signal processing unit of each power supply device controls the power supply device to start when receiving the high-level signal.
The working principle of the power supply system provided by the invention is explained in detail as follows:
before starting, the N power supply devices are all in a non-on state, then the power supply state indicating signal processing units of the N power supplies output low level signals (namely output 0 signals), and the parallel power supply state indicating signals which are logically synthesized on the parallel power supply state indicating signal lines are also low level signals.
Under normal starting condition, when the power supply starting indication signal processing unit of each power supply device detects that the power supply device meets the preset starting condition, the power supply starting indication signal processing unit can continuously output a high level signal (namely, a signal 1 is output), and when and only when all the single-power supply starting indication signals output high level signals, the parallel power supply starting indication signal which is synthesized with logic on the parallel power supply starting indication signal line outputs a high level signal, because each power supply device is not started, the parallel power supply state indication signal is still a low level signal, and because the starting control signal processing unit is connected with the parallel power supply starting indication signal line and the parallel power supply state indication signal line through a logic OR gate, the starting control signal processing units of all the power supply devices can receive the high level signal at the moment, and then all the power supply devices are synchronously started under the control of the respective starting control signal processing units, realizing synchronous start of parallel power supplies; when all power supply devices are started, the single power supply state indicating signals of all the power supply devices output high level signals, at the moment, the parallel power supply state indicating signals synthesized by OR logic are high level signals, if the power supply devices need to be turned off or increased due to load change, as long as one power supply device is in a starting state, the parallel power supply state indicating signals are always high level, the starting control signal processing units of other power supply devices can also always receive the high level signals, the starting of each power supply device is not controlled by the parallel power supply starting indicating signals, and the whole power supply system enters a redundancy N +1 control mode. Compared with the prior art, the power supply system disclosed by the invention can realize synchronous starting of the parallel power supplies and ensure that the starting states of other power supply devices are not influenced when the power supply devices are turned off or increased, thereby meeting the requirements of turning off or adding the power supplies when the load changes. And if and only if the N power supply devices are all in the non-starting state, the parallel power supply state indicating signal can output a low level signal, and the N power supply devices enter the synchronous starting control mode again.
In a preferred embodiment, each of the power supply devices further includes: a first diode; the power supply starting indication signal processing unit is connected with the parallel power supply starting indication signal wire through the first diode.
In a preferred embodiment, further comprising: a second diode; and the power supply state indication signal processing unit is connected with the parallel power supply state indication signal wire through the second diode.
In a preferred embodiment, the power supply power-on indication signal processing unit of each power supply device outputs a single power supply power-on indication signal as a low level signal when the power supply device does not satisfy a preset power-on condition. And the power state indicating signal processing unit of each power supply device outputs a single power state indicating signal which is a low level signal when the power supply device is not in a starting state.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (5)
1. A power supply system, comprising: the power supply device comprises a plurality of power supply devices connected in parallel, a parallel power supply starting indication signal wire and a parallel power supply state indication signal wire;
each power supply device comprises a power supply starting indication signal processing unit, a power supply state indication signal processing unit, a starting control signal processing unit and a logic OR gate element; the power supply starting indication signal processing unit is connected with the parallel power supply starting indication signal line, the power supply state indication signal processing unit is connected with the parallel power supply state indication signal line, the starting control signal processing unit is connected with the logic OR gate element, and the logic OR gate element is also connected with the parallel power supply starting indication signal line and the parallel power supply state indication signal line respectively;
the parallel power supply starting indication signal of the parallel power supply starting indication signal line is synthesized by the single power supply starting indication signal of the power supply starting indication signal processing unit in each power supply device through the line and logic;
the parallel power supply state indicating signals of the parallel power supply state indicating signal lines are logically synthesized by wired-OR of single power supply state indicating signals of the power supply state indicating signal processing units in each power supply device;
the power supply starting indication signal processing unit of each power supply device outputs a single power supply starting indication signal as a high-level signal when the power supply device meets a preset starting condition;
the power state indicating signal processing unit of each power supply device outputs a single power state indicating signal which is a high-level signal when the power supply device is in a starting state;
and the starting control signal processing unit of each power supply device controls the power supply device to start when receiving the high-level signal.
2. The power supply system of claim 1 wherein each of said power supply devices further comprises: a first diode; the power supply starting indication signal processing unit is connected with the parallel power supply starting indication signal wire through the first diode.
3. The power supply system of claim 1 wherein each of said power supply devices further comprises: a second diode; and the power supply state indication signal processing unit is connected with the parallel power supply state indication signal wire through the second diode.
4. The power supply system of claim 1, wherein the power supply power-on indication signal processing unit of each power supply device outputs a low level signal when the power supply device does not satisfy a preset power-on condition.
5. The power supply system according to claim 1, wherein the power state indicating signal processing unit of each of the power supply devices outputs the single power state indicating signal as a low level signal when the power supply device is not in the power-on state.
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| CN202110579434.1A CN113300585B (en) | 2021-05-26 | 2021-05-26 | Power supply system |
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| CN202110579434.1A CN113300585B (en) | 2021-05-26 | 2021-05-26 | Power supply system |
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| CN113300585B true CN113300585B (en) | 2022-03-29 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5798578A (en) * | 1994-05-31 | 1998-08-25 | Alcatel Converters | Synchronization device for a redundant power supply system |
| JP2006174573A (en) * | 2004-12-15 | 2006-06-29 | Toshiba Corp | Power supply unit and power supply starting method for railroad vehicle |
| CN104866053A (en) * | 2014-02-25 | 2015-08-26 | 中国长城计算机深圳股份有限公司 | Control method for synchronous starting of redundant power supply and redundant power supply |
| CN105763033A (en) * | 2014-12-18 | 2016-07-13 | 台达电子工业股份有限公司 | Power system and its control method |
| CN106452038A (en) * | 2016-08-31 | 2017-02-22 | 四川升华电源科技有限公司 | Synchronous starting circuit and method |
| CN107733218A (en) * | 2017-09-27 | 2018-02-23 | 深圳欧陆通电子有限公司 | A kind of and electromechanical source high power synchronously opens machine control method and system |
| CN111181249A (en) * | 2020-02-17 | 2020-05-19 | 佛山市科蓝环保科技股份有限公司 | Multi-power-supply parallel synchronization method, control power supply, electric control device and purifier |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6722055B2 (en) * | 2016-06-29 | 2020-07-15 | 三菱重工業株式会社 | Process synchronization control system and process synchronization control method |
| US10886749B2 (en) * | 2018-10-23 | 2021-01-05 | Hewlett Packard Enterprise Development Lp | Synchronized startup of power supplies in electrical systems |
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- 2021-05-26 CN CN202110579434.1A patent/CN113300585B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5798578A (en) * | 1994-05-31 | 1998-08-25 | Alcatel Converters | Synchronization device for a redundant power supply system |
| JP2006174573A (en) * | 2004-12-15 | 2006-06-29 | Toshiba Corp | Power supply unit and power supply starting method for railroad vehicle |
| CN104866053A (en) * | 2014-02-25 | 2015-08-26 | 中国长城计算机深圳股份有限公司 | Control method for synchronous starting of redundant power supply and redundant power supply |
| CN105763033A (en) * | 2014-12-18 | 2016-07-13 | 台达电子工业股份有限公司 | Power system and its control method |
| CN106452038A (en) * | 2016-08-31 | 2017-02-22 | 四川升华电源科技有限公司 | Synchronous starting circuit and method |
| CN107733218A (en) * | 2017-09-27 | 2018-02-23 | 深圳欧陆通电子有限公司 | A kind of and electromechanical source high power synchronously opens machine control method and system |
| CN111181249A (en) * | 2020-02-17 | 2020-05-19 | 佛山市科蓝环保科技股份有限公司 | Multi-power-supply parallel synchronization method, control power supply, electric control device and purifier |
Non-Patent Citations (1)
| Title |
|---|
| "一种冗余设计的模块化船用变压变频电源";柳彬，等;《舰船科学技术》;20200229;第42卷(第2期);全文 * |
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