CN101714761B - An uninterrupted power supply device - Google Patents
An uninterrupted power supply device Download PDFInfo
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- CN101714761B CN101714761B CN 200910166814 CN200910166814A CN101714761B CN 101714761 B CN101714761 B CN 101714761B CN 200910166814 CN200910166814 CN 200910166814 CN 200910166814 A CN200910166814 A CN 200910166814A CN 101714761 B CN101714761 B CN 101714761B
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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, also can be to the uninterrupted power supply(ups) of load continuous supplying to the electric power of specified quality even relate in particular to generation power failure etc.
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, in order to can obtain arbitrarily power supply capacity, this supply unit is that people are known.A plurality of power subsystems so that communication unit can 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), according to similarly considering method with the device of patent documentation 1, can consider for example device shown in Figure 3.
The uninterrupted power supply(ups) of Fig. 3 is provided with a plurality of power converters 1 that are connected in parallel and the common drive control part 2 that drives a plurality of power converters 1 of control with the control signal that shares.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 in 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 driving control 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 in 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 again design 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 in 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 in the unusual situation from unusual power converter 1 notified, according to notified abnormality detection, its unusual content is presented on the display, and its unusual content is stored in the memory of common drive control part 2 inside.
In the uninterrupted power supply(ups) of Fig. 3, when power converter 1 abnormal, in order to prevent killed expansion, the protection that common drive control part 2 needs to carry out that the action that makes unusual power converter 1 stops rapidly being waited.But, common drive control part 2 before the power converter 1 of protection exception, need to and power converter 1 between carry out at a high speed the information transmission.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 loses sometimes essential control power supply for information is transmitted, if such forfeiture control power supply, then after this can not transmission of information.Especially, in the many situations of the information of transmitting to common drive control part 2, before transmitting full detail, because forfeiture control power supply can not transmission of 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, in order between common drive control part 2 and a plurality of power converter 1, to carry out at high speed the information transmission, consider following methods:
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 arranged rear control power supply for subsequent use.
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 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 object 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 reliably unusual power converter.
In order to address the above problem, realize purpose of the present invention, the present invention consists of 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 of controlling a plurality of power converters with the signal driver that shares, a plurality of power converters comprise respectively the abnormality detection handling part.Each unusual Check processing section comprises: to the abnormal detector that unusually detects of power converter of self; And display unit, it detects when unusual at abnormal detector, shows that the power converter of self is for unusual.
In addition, as mode of the present invention, can be listed below mode.
As the first mode, each unusual Check processing section also comprises: storage device, and it detects when unusual at abnormal detector, at least the unusual content that detects of storage; And communicator, it detects when unusual at abnormal detector, and carries out communicating by letter about abnormality detection between the drive control part.
As the 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 shows minimal information or details that this is transmitted when minimal information or details are transmitted from communicator.
As cubic formula, display unit before the indication that the demonstration removed is arranged, is proceeded this abnormal show in the situation that abnormal show is carried out.
As the 5th mode, the power supply of each unusual Check processing section can use the power supply both sides of 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 the power converter abnormal be used for and common drive control part between carry out the holding wire that information is transmitted, and can confirm reliably unusual power converter with visual.
In addition, according to the present invention, when the power converter abnormal, also can and common drive control part between do not carry out the high speed information transmission, therefore, can reduce the generation that causes error detection because of noise intrusion signal line.
Further, according to the present invention, when the power converter abnormal, common drive control part can be identified unusual power converter at short notice, carries out its protection, and common drive control part can be obtained reliably about unusual details.
In addition, according to the present invention, when the power converter abnormal, carry out the protection action of unusual power converter by common drive control part, even abnormality is disengaged, also can be by visual reliably definite unusual power converter.
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 with reference to the accompanying drawings embodiments of the present invention in detail.In the following embodiments, although to inscape, kind, combination, shape is relatively installed to wait and has been done various restrictions,, 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, the unusual Check processing of each of a plurality of power converters unit 8 section 12 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 unusual Check processing section 12 can use control power supply 15 both sides of control power supply 13 separately and the common drive control part 9 of each power converter 11, even in 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 the driving signal that shares that common drive control part 9 utilizations transmit by drive signal line 5, shared control signal drive, control a plurality of power converters 11.
Each power converter 11 is connected in parallel.From AC power 3 to a plurality of power converters 11 each supplied with alternating electromotive force, and a plurality of power converters 11 are supplied with desirable electric power to load 4.
Further, detecting in the situation of power failure, 11 pairs of load 4 continuous supplyings of each power converter are given desirable electric power, realize 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.
The unusual Check processing of each of a plurality of power converters unit 8 section 12 has following four functions at least:
(1) when power converter 11 abnormal of self, this is detected unusually, detecting in the unusual situation, show the unusual interesting purport of power converter 11 of self.
(2) detecting in the unusual situation, this unusual content that detects and unusual the generation made explicitly about unusual record information constantly, store that this is made into about unusual record information.
(3) detecting in the unusual situation, use 6 pairs of common drive control parts 9 of information signal line only to notify the minimal information (for example abnormal signal) of interesting purport of power converter 11 abnormals of self, after the stipulated time of this notice, notify above-mentioned be produced and stored unusual content, the detailed record information such as moment occur.
(4) demonstration of the interesting purport of power converter 11 abnormals of above-mentioned self before the operator removes demonstration, is proceeded the demonstration of this interest purport.
If common drive control part 9 then relates to the protection action of unusual power converter 11 from the unusual interesting purport of the notified power converter of each unusual Check processing section 12 11.In addition, if common drive control part 9 then is presented at these information on the display (not diagram) from the unusual interesting purport of the notified power converter of abnormality detection handling part 12 11 with about unusual record information.
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 temporarily kept the unusual content that this detects, 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 unusual contents that keep abnormity detection portion 121 to detect, this maintenance is continued until that 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 detects power converter 11 unusual of self, if Department of Communication Force 125 receives the notice of this interest purport, then transmit at once the unusual information (abnormal signal) of power converter 11 of expression self to common drive control part 9.This transmits to utilize the serial communication of information signal line 6 to transmit.In addition, the information that order transmits 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 case of the uninterrupted power supply(ups) of embodiments of the present invention is described with reference to Fig. 1 and Fig. 2.
For example, if be included in power converter 11 abnormals in a plurality of power converters unit 8 one, then detect the unusual of power converters 11 by abnormity detection portion shown in Figure 2 121.The unusual content that abnormity detection portion 121 detects is maintained at maintaining part 122, and notified Department of Communication Force 125.
If Department of Communication Force 125 detects the unusual interesting purport of power converter 11 by abnormity detection portion 121 notice, then transmit at once the unusual information of power converter 11 of expression self to common drive control part 9.The information that transmits 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, even Department of Communication Force 125 carries out serial transfer, also can transmit the necessary minimal information of action of protecting in the short time at the utmost point.
As mentioned above, if maintaining part 122 keeps unusual content, then display part 123 keeps the interesting purport of power converter 11 abnormals of demonstration self according to this.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 unusual contents that keep abnormity detection portion 121 to detect before the operator sends the indication of removing maintenance, are proceeded this maintenance.Therefore, if display part 123 in a single day 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 reliably the power converter 11 break down 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 larger.But, because Department of Communication Force 125 can be guaranteed action by the control power supply 15 of common drive control part 9, so even the larger information of amount also can be guaranteed the time sufficient for transmission, can transmit reliably.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 the power converter abnormal, by the demonstration of display part 123, the power converter that can break down with Visual Confirmation.
In addition, according to present embodiment, when the power converter abnormal, 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 error detection.
Further, according to present embodiment, when the power converter abnormal, common drive control part 9 can be identified at short notice unusual power converter and carry out its protection, and after this, common drive control part 9 can be obtained reliably about unusual details.
In addition, according to present embodiment, when the power converter abnormal, carry out the protection action of unusual power converter by common drive control part 9, even abnormality is disengaged, also can be by visual reliably definite unusual power converter.
Above-described embodiment only is to be suitable for implementing specific example of the present invention, but not comes accordingly technical scope of the present invention is carried out determinate explanation.That is, in 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 (4)
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
The signal that utilize to share drives the drive control part of control to described a plurality of power converters,
Described a plurality of power converter has respectively the abnormality detection handling part separately,
Described each unusual Check processing section 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,
Described each unusual Check processing section also comprises:
When described abnormal detector detects when unusual, the storage device of the unusual content that detects of storage 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,
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.
2. uninterrupted power supply(ups) according to claim 1 is characterized in that:
Described drive control part shows minimal information or details that this is transmitted when transmitting described minimal information or described details from described communicator.
3. uninterrupted power supply(ups) according to claim 1 and 2 is characterized in that:
Described display unit is proceeded this unusual demonstration until the indication of the demonstration removed is arranged in described unusual shown situation.
4. uninterrupted power supply(ups) according to claim 1 and 2 is characterized in that:
The power supply of described each unusual Check processing section can use the power supply both sides of separately power supply 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 CN101714761A (en) | 2010-05-26 |
| CN101714761B true 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 |
|---|---|---|---|---|
| US10263459B2 (en) | 2012-07-25 | 2019-04-16 | Toshiba Mitsubishi-Electric Industrial Systems Corporation | Power supply 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 |
| JP6916875B2 (en) | 2016-10-27 | 2021-08-11 | パワー・インテグレーションズ・インコーポレーテッド | Single-line bus multiple group abnormal communication for half-bridge inverter module |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN101714761A (en) | 2010-05-26 |
| JP2010093949A (en) | 2010-04-22 |
| JP5386919B2 (en) | 2014-01-15 |
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