CN104734325A - Direct current power source control system - Google Patents
Direct current power source control system Download PDFInfo
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- CN104734325A CN104734325A CN201510165546.7A CN201510165546A CN104734325A CN 104734325 A CN104734325 A CN 104734325A CN 201510165546 A CN201510165546 A CN 201510165546A CN 104734325 A CN104734325 A CN 104734325A
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Abstract
The invention discloses a direct current power source control system. The direct current power source control system comprises multiple direct current power sources and a controller connected with the multiple direct current power sources, wherein each direct current power source comprises a first electric output end, a second electric output end and an electric input end. The first electric output end of each direct current power source is used for providing electric input for the electric input ends of other direct current power sources; each second electric output end is used for providing electric input for a direct current load of the corresponding direct current power source; each electric input end is used for receiving electric input of the first electric output ends of other direct current power sources and providing electric input for the second electric output end of the corresponding direct current electric source. Accordingly, when a fault happens to a certain direct current power source, the controller can achieve power supply for the direct current load of the faulty direct current power source by controlling the first electric output ends of the normal direct current power sources to be conductive and controlling the electric input end and the second electric output end of the faulty direct current power source to be conductive, and the stability of the direct current power source power supply system is enhanced.
Description
Technical field
The application relates to electric control system field, more particularly, relates to a kind of DC power control system.
Background technology
Along with socioeconomic high speed development, electricity more and more becomes life and produces breath of life, and the operation of DC power supply as civil power and the normal power of control, and it is reliable and stable has been directly connected to whether stablizing of electrical network.
Current DC power control system generally includes multiple DC power supply.The supply module of DC power supply is powered to DC load by power output end mouth.But when the supply module barrier of certain DC power supply, the power output end of this DC power supply will stop exporting the electric power of DC load, causes DC power control system unstable.
Summary of the invention
In view of this, the application provides a kind of DC power control system, when the supply module of certain DC power supply breaks down, system adopts the DC load of other normal DC power supply to fault DC power supply to power, and improves the stability of DC power control system.
To achieve these goals, the existing scheme proposed is as follows:
A kind of DC power control system, comprising: multiple DC power supply and the controller be connected with described multiple DC power supply;
Described DC power supply comprises: the first power output end, the second power output end and power input end;
Wherein, the first power output end of described DC power supply is used for providing electric power to input to the power input end of other DC power supply;
Second power output end of described DC power supply is used for providing electric power to input to the DC load of this DC power supply;
The power input end of described DC power supply for receiving the electric power input of the first power output end of other DC power supply, and provides electric power to input to the second power output end of this DC power supply;
Described controller is used for when certain D. C. power source breakdown, controls the first power output end conducting of normal DC power supply and controls fault DC power supply power input end and the second power output end conducting, realizing the power supply of the DC load to fault DC power supply.
Preferably, described controller comprises:
Information acquisition unit, for receiving the running state information of described multiple DC power supply;
The judging unit be connected with described information acquisition unit, for judging described DC power supply whether fault according to described running state information;
The control unit be connected with described judging unit, for when certain D. C. power source breakdown, control the first power output end conducting of normal DC power supply and control fault DC power supply power input end and the second power output end conducting, realizing the power supply of the DC load to fault DC power supply.
Preferably, the first power output end of described multiple DC power supply, the second power output end and power input end are connected by power supply buses.
Preferably, described controller is powered to DC load according to the DC load pre-set multiple DC power supply described in two priority classes of powering.
Through as shown from the above technical solution, this application discloses a kind of DC power control system.The controller that this DC power control system comprises multiple DC power supply and is connected with multiple DC power supply.Wherein, DC power supply comprises: the first power output end, the second power output end and power input end.First power output end of DC power supply is used for providing electric power to input to the power input end of other DC power supply; Second power output end is used for providing electric power to input to the DC load of this DC power supply; Power input end for receiving the electric power input of the first power output end of other DC power supply, and provides electric power to input to the second power output end of this DC power supply.Like this when certain D. C. power source breakdown, controller is by controlling the first power output end conducting of normal DC power supply and controlling fault DC power supply power input end and the second power output end conducting, realize the power supply to the DC load of fault DC power supply, provide the stability of power supply system of DC source.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 shows the structural representation of a kind of DC power control system disclosed in one embodiment of the invention;
Fig. 2 shows the structural representation of a kind of DC power control system middle controller disclosed in another embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The structural representation of a kind of DC power control system disclosed in one embodiment of the invention is shown see Fig. 1.
As shown in Figure 1, in the present embodiment at the controller that DC power control system comprises multiple DC power supply 1 and is connected with multiple DC power supply 1.
It should be noted that, the structure of described multiple DC power supply is identical, and each DC power supply includes: the first power output end 11, second power output end 12 and power input end 13.
Wherein, for any one DC power supply, the first power output end 11 of this DC power supply is connected with the power input end of other DC power supply, for providing electric power to input to the power input end of other DC power supply.
Second power output end 12 of this DC power supply is connected with the DC load of this DC power supply, for providing electric power to input to the DC load of this DC power supply.
The power input end 13 of DC power supply is connected with the first power output end of other DC power supply, for receiving the electric power input of the first power output end of other DC power supply, and provide electric power to input to the second power output end of this DC power supply, so that the second power output end is powered to DC load.
Described controller is used for when certain D. C. power source breakdown, controls the first power output end conducting of normal DC power supply and controls fault DC power supply power input end and the second power output end conducting, realizing the power supply of the DC load to fault DC power supply.
As seen from the above embodiment, this application discloses a kind of DC power control system.The controller that this DC power control system comprises multiple DC power supply and is connected with multiple DC power supply.Wherein, DC power supply comprises: the first power output end, the second power output end and power input end.First power output end of DC power supply is used for providing electric power to input to the power input end of other DC power supply; Second power output end is used for providing electric power to input to the DC load of this DC power supply; Power input end for receiving the electric power input of the first power output end of other DC power supply, and provides electric power to input to the second power output end of this DC power supply.Like this when certain D. C. power source breakdown, controller is by controlling the first power output end conducting of normal DC power supply and controlling fault DC power supply power input end and the second power output end conducting, realize the power supply to the DC load of fault DC power supply, provide the stability of power supply system of DC source.
The structural representation of a kind of DC power control system middle controller disclosed in another embodiment of the present invention is shown see Fig. 2.
This controller comprises in the present embodiment: information acquisition unit 21, the judging unit 22 be connected with information acquisition unit and the control unit 23 be connected with judging unit 22.
Wherein, information acquisition unit 21 is for receiving the running state information of described multiple DC power supply and the running state information collected being sent in judging unit 22.
Judging unit 22 receives the running state information of multiple DC power supply that information acquisition unit 21 sends, and judge DC power supply whether fault according to the running state information of DC power supply, as certain DC power supply break down time, then corresponding information below control unit.
When control unit determines certain D. C. power source breakdown, control unit controls the first power output end conducting of normal DC power supply and controls fault DC power supply power input end and the second power output end conducting, realizes the power supply of the DC load to fault DC power supply.
It should be noted that, when practical wiring, the power output end of all DC power supply, the second power output end and power input end are connected by a power supply buses when connecting up to save space, the first power output end being in the DC power supply of normal operating condition like this provides electric power to input by power supply buses to the power input end of the DC power supply being in malfunction.
In addition, in other embodiments disclosed by the invention, controller described in the controller of this DC power control system is powered to DC load according to the DC load pre-set multiple DC power supply described in two priority classes of powering.As: the power supply priority of DC load be respectively senior, middle rank and rudimentary.When the electric power of DC power supply is not enough, this controller can control DC power supply to be stopped powering to intermediate DC load and rudimentary DC load, thus concentrates whole DC power supply to power to senior DC load.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (4)
1. a DC power control system, is characterized in that, comprising: multiple DC power supply and the controller be connected with described multiple DC power supply;
Described DC power supply comprises: the first power output end, the second power output end and power input end;
Wherein, the first power output end of described DC power supply is used for providing electric power to input to the power input end of other DC power supply;
Second power output end of described DC power supply is used for providing electric power to input to the DC load of this DC power supply;
The power input end of described DC power supply for receiving the electric power input of the first power output end of other DC power supply, and provides electric power to input to the second power output end of this DC power supply;
Described controller is used for when certain D. C. power source breakdown, controls the first power output end conducting of normal DC power supply and controls fault DC power supply power input end and the second power output end conducting, realizing the power supply of the DC load to fault DC power supply.
2. system according to claim 1, is characterized in that, described controller comprises:
Information acquisition unit, for receiving the running state information of described multiple DC power supply;
The judging unit be connected with described information acquisition unit, for judging described DC power supply whether fault according to described running state information;
The control unit be connected with described judging unit, for when certain D. C. power source breakdown, control the first power output end conducting of normal DC power supply and control fault DC power supply power input end and the second power output end conducting, realizing the power supply of the DC load to fault DC power supply.
3. system according to claim 1, is characterized in that, the first power output end of described multiple DC power supply, the second power output end and power input end are connected by power supply buses.
4. system according to claim 1, is characterized in that, described controller is powered to DC load according to the DC load pre-set multiple DC power supply described in two priority classes of powering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510165546.7A CN104734325A (en) | 2015-04-09 | 2015-04-09 | Direct current power source control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510165546.7A CN104734325A (en) | 2015-04-09 | 2015-04-09 | Direct current power source control system |
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| CN104734325A true CN104734325A (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510165546.7A Pending CN104734325A (en) | 2015-04-09 | 2015-04-09 | Direct current power source control system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102222972A (en) * | 2011-06-02 | 2011-10-19 | 迈普通信技术股份有限公司 | Switching circuit and power supply device |
| CN102594105A (en) * | 2012-03-31 | 2012-07-18 | 北京四方继保自动化股份有限公司 | Multi-split type direct-current stabilized power supply with low-voltage ride-through capability |
| CN102868204A (en) * | 2012-09-13 | 2013-01-09 | 中国北车集团大连机车车辆有限公司 | Locomotive and direct-current power supply system reconnection redundancy device thereof |
| US20140368042A1 (en) * | 2013-06-14 | 2014-12-18 | General Electric Company | Systems and methods for multi-use multi-mode ups |
-
2015
- 2015-04-09 CN CN201510165546.7A patent/CN104734325A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102222972A (en) * | 2011-06-02 | 2011-10-19 | 迈普通信技术股份有限公司 | Switching circuit and power supply device |
| CN102594105A (en) * | 2012-03-31 | 2012-07-18 | 北京四方继保自动化股份有限公司 | Multi-split type direct-current stabilized power supply with low-voltage ride-through capability |
| CN102868204A (en) * | 2012-09-13 | 2013-01-09 | 中国北车集团大连机车车辆有限公司 | Locomotive and direct-current power supply system reconnection redundancy device thereof |
| US20140368042A1 (en) * | 2013-06-14 | 2014-12-18 | General Electric Company | Systems and methods for multi-use multi-mode ups |
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Application publication date: 20150624 |