CN101714761A - An uninterrupted power supply device - Google Patents
An uninterrupted power supply device Download PDFInfo
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- CN101714761A CN101714761A CN 200910166814 CN200910166814A CN101714761A CN 101714761 A CN101714761 A CN 101714761A CN 200910166814 CN200910166814 CN 200910166814 CN 200910166814 A CN200910166814 A CN 200910166814A CN 101714761 A CN101714761 A CN 101714761A
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Abstract
The invention provides an uninterrupted power supply device, which can reduce signal wire that used for transmitting information between jointly drive control parts when an electric power converter is abnormal, and is provided with a electric power converter that can affirm abnormal by unaided eye reliably. The uninterrupted power supply device in the invention comprises the following components: a plurality of electric power converters (11) that supply power to a load (4) and in parallel connection; a jointly drive control part (9) that controls the plurality of electric power converters (11) by signal in common use, wherein the plurality of electric power converters (11) comprise an abnormity detect and dispose part (12). Each abnormity detect and dispose part (12) comprise the following components at least: an abnormity detect part (121), which detects abnormity of the electric power converters (11); and a display part (123), which displays existence of abnormity of the electric power converters (11) when abnormity is detected by the electric power converters (11).
Description
Technical field
The present invention relates to supply unit, the uninterrupted power supply(ups) that power failure etc. also can be supplied with the electric power of specified quality continuously to load takes place even relate in particular to.
Background technology
In the prior art, for example patent documentation 1 is disclosed such, makes up the power subsystem of a plurality of same power supplies capacity, so that can obtain power supply capacity arbitrarily, this supply unit is that people are known.A plurality of power subsystems make communication unit to connect, by the built-in miniature computer of this communication unit, can according to the Content of Communication of outside, carry out power supply control.
In addition, as uninterrupted power supply(ups),, can consider device for example shown in Figure 3 according to similarly considering method with the device of patent documentation 1.
The uninterrupted power supply(ups) of Fig. 3 is provided with a plurality of power converters 1 of being connected in parallel and with the common drive control part 2 of the shared a plurality of power converters 1 of control signal drive controlling.Each power converter 1 is provided with the suitable converter (converter) that alternating electromotive force is transformed to direct current power, and direct current power is transformed to the inverse converter (inverter) of alternating electromotive force and storage battery etc.Supply with alternating electromotive force from AC power 3 to each power converter 1.A plurality of power converters 1 feed to load 4 with desirable electric power.
Each power converter 1 is detecting under the situation of power failure load 4 continuous supply capabilities, realizes uninterrupted power supply.In order to realize this uninterrupted power supply, general, the power converter that each power converter 1 utilizes inverse converter will be accumulated in the above-mentioned storage battery becomes desirable voltage, electric current, continues to power to the load.In addition, each power converter 1 is by carrying out drive controlling from common drive control part 2 by the shared signal that drive signal line 5 transmits.
The uninterrupted power supply(ups) of Fig. 3 increases under the output capacity situation of device integral body in hope, as long as the number that is connected in parallel of the converter that increases electric power does not need the design again or the complicated like that control of parallel redundancy mode of circuit.
At this, in the uninterrupted power supply(ups) of Fig. 3, a plurality of power converters 1 have the unusual function that detects self separately, and are detecting under the unusual situation, notify this unusual function by information signal line 6 to common drive control part 2.
In addition, common drive control part 2 detects under the unusual situation from unusual power converter 1 notified, according to notified abnormality detection, its unusual content is presented on the display, and with its unusual content stores in the memory of common drive control part 2 inside.
In the uninterrupted power supply(ups) of Fig. 3, when power converter 1 takes place when unusual, in order to prevent killed expansion, common drive control part 2 needs to carry out rapidly the action that make unusual power converter 1 and stops the protection to wait.But, common drive control part 2 before the power converter 1 of protection exception, need and power converter 1 between carry out the information transmission at a high speed.In other words, need to carry out rapidly or in short time the information transmission.
Its reason is as the protection action of power converter 1, if stop the action of unusual power converter 1, then to lose essential control power supply for information is transmitted sometimes, if after this such forfeiture control power supply then can not transmit information.Especially, under the many situations of the information of transmitting to common drive control part 2, before transmitting full detail, because of forfeiture control power supply can not transmit information.The information that can not transmit increases along with the number of the power converter 1 that is connected in parallel and becomes many, and the information that is stored in common drive control part 2 increases and more becomes many.
Under this background,, consider following method in order between common drive control part 2 and a plurality of power converter 1, to carry out the information transmission at high speed:
First method is the radical that increases information signal line 6, and second method is to improve the frequency of the clock that is used for the signal transmission, and the third method is that each power converter 1 is provided with the standby control power supply in back.
But, increase the increase that the holding wire radical can cause the complicated and manufacturing cost of the distribution in the device.The problem of the possibility of the misoperation when in addition, the existence of the high speed of clock frequency is transmitted because of noise increases signal.In addition, append new back-up source, cause expense to increase, and the space increase is set.In addition, think that these restrictions also become the restriction of the number of the power converter that can be connected in parallel.
Patent documentation 1: TOHKEMY 2002-58246 communique
Summary of the invention
So, the objective of the invention is to, provide can reduce that power converter is used for when unusual and common drive control part between the holding wire that transmits of information, and with the visual uninterrupted power supply(ups) that can confirm unusual power converter reliably.
In order to address the above problem, realize purpose of the present invention, the present invention constitutes by following technical scheme:
Uninterrupted power supply(ups) of the present invention comprises: be connected in parallel, to a plurality of power converters of load supply capability; With the drive control part with the shared a plurality of power converters of signal drive controlling, a plurality of power converters comprise the abnormality detection handling part respectively.Each abnormality detection handling part comprises: to the abnormal detector that detects unusually of power converter of self; And display unit, it detects when unusual at abnormal detector, and the power converter that shows self is for unusual.
In addition, as mode of the present invention, can be listed below mode.
As first mode, each abnormality detection handling part also comprises: storage device, and it detects when unusual at abnormal detector, stores detected unusual content at least; And communicator, it detects when unusual at abnormal detector, and carries out communicating by letter about abnormality detection between the drive control part.
As second mode, when abnormal detector detects when unusual, communicator transmits for the necessary minimal information of the power converter of protection exception to drive control part at once; After transmitting minimal information, after the protection end to unusual power converter, communicator transmits the details that comprise unusual content that are stored in the storage device to drive control part.
As Third Way, drive control part when communicator is transmitted, shows minimal information or details that this is transmitted in minimal information or details.
As cubic formula, display unit before the indication that the demonstration removed is arranged, is proceeded this abnormal show under the situation that abnormal show is carried out.
As the 5th mode, the power supply of each abnormality detection handling part can use the power supply both sides of the power supply separately and the drive control part of each power converter.
The following describes effect of the present invention.
According to the present invention, can reduce when power converter take place to be used for when unusual and common drive control part between carry out the holding wire that information is transmitted, and can confirm unusual power converter reliably with visual.
In addition, according to the present invention, when power converter takes place when unusual, also can and common drive control part between do not carry out the high speed information transmission, therefore, can reduce because of noise intrusion signal line and cause the generation that flase drop is surveyed.
Further, according to the present invention, when power converter takes place when unusual, common drive control part can be discerned unusual power converter at short notice, carries out its protection, and common drive control part can be obtained reliably about unusual details.
In addition,,, carry out the protection action of unusual power converter,, also can determine unusual power converter reliably by visual even abnormality is disengaged by common drive control part when power converter takes place when unusual according to the present invention.
Description of drawings
Fig. 1 is the block diagram of structure of the execution mode of expression uninterrupted power supply(ups) of the present invention.
Fig. 2 is the block diagram of the concrete structure of expression abnormality detection handling part shown in Figure 1.
Fig. 3 is the block diagram of structure of the uninterrupted power supply(ups) of expression prior art.
Symbol description is as follows:
3 AC power
4 loads
5 drive signal lines
6 information signal lines
8 power converter unit
9 common drive control parts
11 power converters
12 abnormality detection handling parts
13,15 control power supplys
14,17 diodes
16 power lines
121 abnormity detection portion
122 maintaining parts
123 display parts
124 resume storage parts
125 Department of Communication Forces
Embodiment
Other purpose and feature of the present invention, the explanation according to the execution mode hereinafter of reference accompanying drawing will become clear and definite.
Describe embodiments of the present invention with reference to the accompanying drawings in detail.In the following embodiments, though to inscape, kind, combination, shape is installed relatively to wait and has been done various qualifications,, these only exemplify, and the present invention is not limited thereto.
Fig. 1 is the integrally-built block diagram of the execution mode of expression uninterrupted power supply(ups) of the present invention.
The uninterrupted power supply(ups) of this execution mode is provided with a plurality of power converters unit 8 and common drive control part 9 as shown in Figure 1.
Each of a plurality of power converters unit 8 is provided with power converter 11 and abnormality detection handling part 12.Each power converter 11 is provided with the suitable converter (converter) that alternating electromotive force is transformed to direct current power in the same manner with Fig. 3, and direct current power is transformed to the inverse converter (inverter) of alternating electromotive force, and storage battery etc.The electric power that each power converter 11 of a plurality of power converters unit 8 is used to the control power supply 13 (Fig. 1 is not shown, with reference to Fig. 2) that has respectively from each power converter 11 moves.
In addition, each abnormality detection handling part 12 of a plurality of power converters unit 8 is connected with the control power supply 13 separately of the power converter 11 of self by diode 14, and is connected (seeing figures.1.and.2) by power line 16 and diode 17 with the control power supply 15 of common drive control part 9.Therefore, each abnormality detection handling part 12 can use control power supply 15 both sides of the control power supply 13 separately and the common drive control part 9 of each power converter 11, even under the situation that control power supply 13 is separately lost, also can be from control power supply 15 supply capabilities of common drive control part 9.
Common drive control part 9 is connected with each power converter 11 by drive signal line 5.And common drive control part 9 utilizes the shared drive signal that transmits by drive signal line 5, shared control signal, driving, a plurality of power converters 11 of control.
Each power converter 11 is connected in parallel.From AC power 3 each supply alternating electromotive force to a plurality of power converters 11, a plurality of power converters 11 are supplied with desirable electric power to load 4.
Further, detecting under the situation of power failure, desirable electric power is supplied with in 11 pairs of loads of each power converter 4 continuously, realizes uninterrupted power supply.For this uninterrupted power supply, general, each power converter 11 is when detecting power failure, and the power converter that utilizes inverse converter will be accumulated in the above-mentioned storage battery becomes desirable voltage, electric current, continues to power to the load.
Each abnormality detection handling part 12 of a plurality of power converters unit 8 has following four functions at least:
(1) takes place this to be detected unusually when unusual at self power converter 11, detecting under the unusual situation, show the unusual interesting purport of power converter 11 of self.
(2) detecting under the unusual situation, this detected unusual content and unusual the generation made explicitly about unusual record information constantly, store that this is made into about unusual record information.
(3) detecting under the unusual situation, use 6 pairs of common drive control parts 9 of information signal line only to notify the power converter 11 of self that the minimal information (for example abnormal signal) of unusual interesting purport takes place, after the stipulated time of this notice, notify above-mentioned quilt to make and stored unusual content, detailed record information such as moment takes place.
(4) demonstration of unusual interesting purport takes place in the power converter 11 of above-mentioned self, before the operator removes demonstration, proceeds the demonstration of this interest purport.
Common drive control part 9 is if from the unusual interesting purport of the notified power converter of each abnormality detection handling part 12 11, then relate to the protection action of unusual power converter 11.In addition, common drive control part 9 is if from the unusual interesting purport of the notified power converter of abnormality detection handling part 12 11 with about unusual record information, then be presented at these information on the display (not diagram).
Below, the concrete structure of abnormality detection handling part 12 shown in Figure 1 is described with reference to Fig. 2.
Abnormality detection handling part 12 is provided with abnormity detection portion 121 as shown in Figure 2, maintaining part 122, display part 123, resume storage part 124 and Department of Communication Force 125.
At this, the control power supply 13 separately of abnormality detection handling part 12 and the power converter 11 of self, and control power supply 15 connections of common drive control part 9 move by these two power supplys.Therefore, even the power converter of self 11 stops action because of protection, control power supply 13 can not use, and abnormality detection handling part 12 also can be guaranteed action by the control power supply 15 of common drive control part 9.
Abnormity detection portion 121 detects power converter 11 unusual of self, particularly, detects the voltage, electric current of the each several part of power converter 11 etc.Power converter 11 comprises as mentioned above along converter and inverse converter, therefore, and as abnormal information, to detecting along separately output voltage of converter and inverse converter, output current etc.
When abnormity detection portion 121 detected power converter 11 unusual of self, maintaining part 122 should detected unusual content temporarily keep, the operator send remove the indication that keeps before, continue to keep.Therefore, maintaining part 122 is used and can temporarily be stored register that unusual content, operator can at random remove this memory contents etc.
When abnormity detection portion 121 detected power converter 11 unusual of self, display part 123 showed that according to the unusual content that maintaining part 122 keeps the power converter 11 of self is unusual interesting purport.The purpose of this demonstration is, the power converter that the enough Visual Confirmations of energy break down, and therefore, use light-emitting diode (LED) etc. are as the display of display part 123.
At this, the maintaining part 122 temporary transient abnormity detection portion 121 detected unusual contents that keep, this maintenance lasts till that always the operator sends the indication of removing maintenance.Therefore, if display part 123 is in case show then lasting demonstration before the operator removes this maintenance.
When abnormity detection portion 121 detected power converter 11 unusual of self, resume storage part 124 was made the unusual content that maintaining part 122 keeps about unusual record information explicitly with unusual the generation constantly, and stores the record information that this is made into.Therefore, resume storage part 124 comprises the memory that can store this record information etc.
When abnormity detection portion 121 detected power converter 11 unusual of self, Department of Communication Force 125 was if receive the notice of this interest purport, then transmitted the unusual information (abnormal signal) of power converter 11 of expression self at once to common drive control part 9.This transmission transmits with the serial communication that utilizes information signal line 6.In addition, the information that order is transmitted is that for being detected unusual power converter 11, common drive control part 9 is in order to protect the necessary minimal information of action.
In addition, Department of Communication Force 125 after the protection release to unusual power converter 11 that common drive control part 9 carries out, transmits following details after transmitting above-mentioned essential minimal information.That is, details are the record informations that are stored in resume storage part 124.In other words, be to be detected the unusual content of unusual power converter 11 and this unusual generation information constantly etc.
Below, the action example of the uninterrupted power supply(ups) of embodiments of the present invention is described with reference to Fig. 1 and Fig. 2.
For example, take place unusually, then detect the unusual of power converters 11 by abnormity detection portion shown in Figure 2 121 as if the power converter 11 in that is included in a plurality of power converters unit 8.Abnormity detection portion 121 detected unusual contents are maintained at maintaining part 122, and notified Department of Communication Force 125.
Department of Communication Force 125 is if detect the unusual interesting purport of power converter 11 by abnormity detection portion 121 notices, then transmits the unusual information of power converter 11 of expression self at once to common drive control part 9.The information that is transmitted only is with respect to being detected unusual power converter 11, and common drive control part 9 is in order to protect the necessary minimal information of action.Therefore, when abnormity detection portion 121 detects abnormality,, also can transmit the necessary minimal information of action of protecting in the short time at the utmost point even Department of Communication Force 125 carries out serial transfer.
As mentioned above, if maintaining part 122 keeps unusual content, then unusual interesting purport takes place according to the power converter 11 that this keeps showing self in display part 123.By the demonstration of display part 123, the power converter 11 that people can break down with Visual Confirmation.
If common drive control part 9 receives the minimal information from Department of Communication Force 125, the protection action of the power converter 11 that then breaks down.Thus, the power converter 11 that becomes object of protection stops action.At this moment, the control power supply 13 separately of the power converter 11 that stops to move can not use, but the each several part of abnormality detection handling part 12 can utilize the control power supply 15 of common drive control part 9 to guarantee action (with reference to Fig. 2).
The maintaining part 122 temporary transient abnormity detection portion 121 detected unusual contents that keep before the operator sends the indication of removing maintenance, are proceeded this maintenance.Therefore, if in a single day display part 123 show, then before the operator removes the maintenance of maintaining part 122 during, continue to show.Thus, even after the action of the power converter that breaks down stops, also can confirm the power converter 11 break down reliably with visual.
The unusual content that resume storage part 124 keeps according to maintaining part 122 is made this unusual content and unusual the generation explicitly about unusual record information, and store the record information that this is made into constantly.
After transmitting above-mentioned essential minimal information, the protection release to unusual power converter 11 of common drive control part 9, after device became stable state, Department of Communication Force 125 transmitted details.These details are record informations that are stored in resume storage part 124 etc.This record information is to be detected the unusual content of unusual power converter 11 and this unusual generation information constantly etc., the information that the amount of being is bigger.But, because Department of Communication Force 125 can be guaranteed action by the control power supply 15 of common drive control part 9, so, can transmit reliably even the bigger information of amount also can be guaranteed the time sufficient for transmission.Therefore, can use the serial transfer of comparison low speed.
For the information of the unusual interesting purport of, power converter 125 that send from Department of Communication Force 11 and about this unusual record information, common drive control part 9 is presented at described information on the display.
As mentioned above, according to present embodiment, when power converter takes place when unusual, by the demonstration of display part 123, the power converter that can break down with Visual Confirmation.
In addition, according to present embodiment, when power converter takes place when unusual, also can and common drive control part between do not carry out the high speed information transmission, therefore, can reduce because of noise and invade the generation that information signal line 6 causes that flase drop is surveyed.
Further, according to present embodiment, when power converter takes place when unusual, common drive control part 9 can be discerned the Xingqi protection of going forward side by side of unusual power converter at short notice, and after this, common drive control part 9 can be obtained reliably about unusual details.
In addition,,, carry out the protection action of unusual power converter,, also can determine unusual power converter reliably by visual even abnormality is disengaged by common drive control part 9 when power converter takes place when unusual according to present embodiment.
The foregoing description only is to be suitable for implementing specific example of the present invention, but not comes in view of the above technical scope of the present invention is carried out determinate explanation.That is, under the situation that does not break away from spirit of the present invention or purport, the present invention can implement with various alternate manners.
Claims (6)
1. a uninterrupted power supply(ups) is characterized in that, comprising:
Be connected in parallel and to a plurality of power converters of load supply capability; With
Utilize shared signal that described a plurality of power converters are carried out the drive control part of drive controlling,
Described a plurality of power converter has the abnormality detection handling part respectively separately,
Described each abnormality detection handling part comprises:
Detect the unusual abnormal detector of the power converter of self; With
When described abnormal detector detects describedly when unusual, the power converter that shows self is the display unit of unusual situation.
2. uninterrupted power supply(ups) according to claim 1 is characterized in that:
Described each abnormality detection handling part also comprises:
When described abnormal detector detects when unusual, store the storage device of detected unusual content at least; With
When described abnormal detector detects when unusual, with the communicator of communicating by letter that carries out between the described drive control part about abnormality detection.
3. uninterrupted power supply(ups) according to claim 2 is characterized in that:
When described abnormal detector detects when unusual, described communicator transmits for the necessary minimal information of the power converter of protection exception to described drive control part at once;
After transmitting described minimal information, and after the protection of unusual power converter finished, described communicator transmitted the details that comprise described unusual content that are stored in the described storage device to described drive control part.
4. according to each described uninterrupted power supply(ups) in the claim 1～3, it is characterized in that:
Described drive control part shows minimal information or details that this is transmitted when described communicator transmits described minimal information or described details.
5. according to each described uninterrupted power supply(ups) in the claim 1～3, it is characterized in that:
Described display unit is proceeded this unusual demonstration and is removed the indication that shows until having under described situation about being shown unusually.
6. according to each described uninterrupted power supply(ups) in the claim 1～3, it is characterized in that:
The power supply of described each abnormality detection handling part can use the power supply both sides of the power supply separately and the described drive control part of described each power converter.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008-261684 | 2008-10-08 | ||
| JP2008261684A JP5386919B2 (en) | 2008-10-08 | 2008-10-08 | Uninterruptible power system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101714761A true CN101714761A (en) | 2010-05-26 |
| CN101714761B CN101714761B (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910166814 Active CN101714761B (en) | 2008-10-08 | 2009-08-31 | An uninterrupted power supply device |
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| JP (1) | JP5386919B2 (en) |
| CN (1) | CN101714761B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6110381B2 (en) * | 2012-07-25 | 2017-04-05 | 東芝三菱電機産業システム株式会社 | Power system |
| JP2016054613A (en) * | 2014-09-04 | 2016-04-14 | 株式会社豊田自動織機 | Charging device and control method for the same |
| JP6492745B2 (en) * | 2015-02-23 | 2019-04-03 | 富士電機株式会社 | Uninterruptible power system |
| CN109891256B (en) * | 2016-10-27 | 2022-03-15 | 电力集成公司 | Single-wire bus multi-group fault communication of half-bridge inverter module |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6146129A (en) * | 1984-08-10 | 1986-03-06 | 日本電気株式会社 | Backup power source |
| JPH07104744B2 (en) * | 1989-12-04 | 1995-11-13 | 甲府日本電気株式会社 | Power control method |
| JPH08154349A (en) * | 1994-11-25 | 1996-06-11 | Japan Storage Battery Co Ltd | Uninterruptible ac power supply apparatus |
| JP3171794B2 (en) * | 1996-09-24 | 2001-06-04 | 株式会社アイエスエイ | Uninterruptible power supply and linked operation method |
| JP2907198B1 (en) * | 1997-12-19 | 1999-06-21 | 日本電気株式会社 | Power control method for uninterruptible power supply using private LAN |
| TW525329B (en) * | 2000-05-29 | 2003-03-21 | Omron Tateisi Electronics Co | Power supply module and power supply unit using the same |
| JP3498696B2 (en) * | 2000-05-29 | 2004-02-16 | オムロン株式会社 | Power supply module and power supply unit used therefor |
| JP2002073221A (en) * | 2000-08-30 | 2002-03-12 | Arufatekku Kk | Uninteruptible power supply system |
| CN1423389A (en) * | 2001-12-07 | 2003-06-11 | 广东志成冠军电子实业有限公司 | Bus-controlled parallel uninterrupted power source (UPS) system |
| JP3746477B2 (en) * | 2002-10-07 | 2006-02-15 | デンセイ・ラムダ株式会社 | Uninterruptible power supply system monitoring method, uninterruptible power supply system, and monitoring device |
| CN1592031A (en) * | 2003-09-05 | 2005-03-09 | 飞瑞股份有限公司 | Uninterruption power source module parallel system and by-pass switching method thereof |
| CN101438475B (en) * | 2004-02-18 | 2012-05-30 | 多样化技术公司 | More compact and higher reliability power source system |
| JP2006296110A (en) * | 2005-04-12 | 2006-10-26 | Fuji Electric Systems Co Ltd | Unit inverter device |
| CN201113469Y (en) * | 2007-10-17 | 2008-09-10 | 熊猫电子集团有限公司 | Uninterruptive power supply display apparatus capable of totally displaying operating status |
| JP5056386B2 (en) * | 2007-12-06 | 2012-10-24 | 富士電機株式会社 | Uninterruptible power system |
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| Publication number | Publication date |
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| CN101714761B (en) | 2013-01-30 |
| JP2010093949A (en) | 2010-04-22 |
| JP5386919B2 (en) | 2014-01-15 |
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Owner name: FUJI ELECTRIC CO., LTD. Free format text: FORMER OWNER: FUJI ELECTRIC SYSTEMS CO., LTD. Effective date: 20111009 |
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