CN107124116B - A kind of emergency power supply parallel signal synchronous circuit system - Google Patents
A kind of emergency power supply parallel signal synchronous circuit system Download PDFInfo
- Publication number
- CN107124116B CN107124116B CN201710363486.9A CN201710363486A CN107124116B CN 107124116 B CN107124116 B CN 107124116B CN 201710363486 A CN201710363486 A CN 201710363486A CN 107124116 B CN107124116 B CN 107124116B
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- China
- Prior art keywords
- signal
- power supply
- emergency power
- synchronization
- host
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/493—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode the static converters being arranged for operation in parallel
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
-
- 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
- H02M1/0003—Details of control, feedback or regulation circuits
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Abstract
The invention discloses a kind of emergency power supply parallel signal synchronous circuit systems, and each emergency power supply inverter host core controller module including access system further includes and the one-to-one signal synchronization circuit of each emergency power supply inverter host core controller module；The signal synchronization circuit includes photoelectrical coupler, host signal power supply, common signal power supply, signal issuing side mouth and signal acquisition port, first resistor, second resistance, synchrolock.Emergency power supply parallel signal synchronous circuit system of the invention passes through the modelled signal synchronous circuit in every host, realize that every host obtains consistent synchronization signal, and it is mutually isolated between signal, reduce mutual signal interference, obtain high quality synchronization signal, so that it is guaranteed that the reliability in signals transmission, solves the problems, such as master synchronization signal consistency in parallel, practical value with higher and wide application prospect.
Description
Technical field
The present invention relates to emergency power supply technical fields, and in particular to a kind of emergency power supply parallel signal synchronous circuit system.
Background technique
Battery-type emergency power supply is concentrated to be widely used in architectural electricity, industrial trade as conventional electronic devices,
Especially in some developed areas such as Suzhou, Xiamen etc., will it concentrate battery-type emergency power supply as routine building
Electrically, design is in building's electrical design drawing, and country is that emergency power supply product has formulated series of standards, such as: GB16806-
2006 " fire-fighting linkage control systems ", GB17945-2010 " fire emergency and evacuation indication system ", JG/T371-2012
" centralized battery emergency power supply unit " etc., these product standards strong development of promotion emergency power supply and application.
As emergency power supply is in the extensive use of different industries, various important loads such as: it is fire evacuation guidance lighting, spare
All designs such as illumination, emergency lighting and fire-fighting power-equipment, production power-equipment need emergency service, the carried lotus of emergency power supply
It is increasing, it would become hard to the requirement for meeting high power load for common capacity emergency power supply.
Its total capacity can be improved using inverter host parallel way by solving emergency power supply capacity, in multiple host and machine
When, every host obtains one of the key that synchronization signal is up, and synchronization signal is inconsistent, every host out-put supply
Phase angle will be inconsistent, and phase angle is inconsistent, will cause the circulation between host, causes not to the stability and reliability of power supply
Benefit influences.
It realizes between every host, obtaining synchronization signal has different methods, the electricity that some is always exported by acquiring power supply
Pressure passed through zero-crossing detection circuit, obtained synchronization signal, but due to Sampling device difference, sample time offset and signal
The difference of conditioning circuit, synchronization signal that every power supply finally obtains or devious.Some passes through signal of communication, output electricity
Synchronic command is issued when pressing through zero, synchronization signal is obtained by communication, since the when ductility of communication reduces the essence of synchronization signal
Degree.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of emergency power supply parallel signal synchronous circuit systems, this is same
Step circuit system realizes that every host obtains consistent synchronization signal by the modelled signal synchronous circuit in every host, and
And it is mutually isolated between signal, mutual signal interference is reduced, high quality synchronization signal is obtained, so that it is guaranteed that signal transmits
Reliability in the process, solves the problems, such as master synchronization signal consistency in parallel, practical value with higher and compared with
Broad application prospect.
The present invention solves technical problem and adopts the following technical scheme that
A kind of emergency power supply parallel signal synchronous circuit system, each emergency power supply inverter host core including access system
Heart controller module further includes electricity synchronous with each emergency power supply inverter host one-to-one signal of core controller module
Road；
The signal synchronization circuit includes photoelectrical coupler, host signal power supply, common signal power supply, signal
Issue port and signal acquisition port, first resistor, second resistance, synchrolock；
The photoelectrical coupler avoids all masters for separating the control power supply of every host for double photoelectrical couplers
The control power supply of machine altogether after generation interference；
The photoelectrical coupler shares eight pins, respectively the first anode, second plate, the first cathode, the second cathode,
First collector, the second collector, the first emitter, the second emitter；The first anode connect and leads to the first collector
Cross the signal-powered power supply of first resistor access host；The signal issuing side mouth is connect with the first cathode；First emitter
Ground connection, the signal acquisition port is connect with the first collector；Second collector accesses common signal by second resistance
Power supply；Second emitter is connect with second plate；The second cathode ground connection；
Synchrolock one terminates the second emitter, and the other end is connected with the line synchro of other signal synchronization circuits；
The emergency power supply inverter host core controller module issues synchronization signal by signal issuing side mouth, passes through
Signal acquisition port acquires synchronization signal.
Preferably, the photoelectrical coupler is using double optocoupler TLP521.
Preferably, the host signal power supply voltage is+5V.
Preferably, the common signal power supply voltage is+12V.
Preferably, the emergency power supply inverter host core controller module issues synchronous letter by signal issuing side mouth
Number be low level useful signal.
Preferably, the working principle of emergency power supply parallel signal synchronous circuit system is as follows:
Emergency power supply inverter host core controller module issues low level by signal issuing side mouth and effectively synchronizes
Signal, when the signal that emergency power supply inverter host core controller module issues is low level, the first of the first optocoupler is negative
Pole has electric current to flow through, the conducting of the first optocoupler, and the electric current of common signal power supply is through second resistance, the second emitter, into the
The second plate of two optocouplers, the conducting of the second optocoupler, signal acquisition port are low level；When the synchronization signal of signal issuing side mouth is stopped
When only, as high level when, the first optocoupler is not turned on, the second optocoupler cut-off, signal acquisition port be high level；When with each emergency
There is one to issue synchronization signal at first in the one-to-one signal synchronization circuit of power inverter host core controller module, believes
The first optocoupler conducting in number synchronous circuit, the electric current of common signal power supply pass through through its second resistance, the second emitter
Line synchro achievees the purpose that synchronization signal so that the optocoupler in the signal synchronization circuit being attached thereto is both turned on.
Compared with prior art, the present invention have it is following the utility model has the advantages that
(1) a kind of emergency power supply parallel signal synchronous circuit system of the invention can effectively solve the problem that multiple host simultaneously
When machine, every host obtains the inconsistent phase angle for leading to every host out-put supply of synchronization signal will be inconsistent, to cause
The problem of circulation between host, stability and reliability to power supply adversely affect, while by double optocouplers, by every
The control power supply of host separates, avoid the control power supplys of All hosts altogether after generation interfere.
(2) a kind of emergency power supply parallel signal synchronous circuit system of the invention by every host modelled signal it is same
Step circuit realizes that every host obtains consistent synchronization signal, and mutually isolated between signal, and it is dry to reduce mutual signal
It disturbs, obtains high quality synchronization signal, so that it is guaranteed that the reliability in signals transmission, efficiently solves host synchronization in parallel
The problem of signal conformance, practical value with higher and wide application prospect.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is a kind of emergency power supply parallel signal synchronous circuit system signal synchronization circuit schematic diagram of the invention；
Fig. 2 is a kind of emergency power supply parallel signal synchronous circuit system signal synchronous oscillogram of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figs. 1-2, a kind of emergency power supply parallel signal synchronous circuit system, including access are provided in the present embodiment
Each emergency power supply inverter host core controller module of system further includes controlling with each emergency power supply inverter host core
The one-to-one signal synchronization circuit of device module；
The signal synchronization circuit include photoelectrical coupler 1, host signal power supply 2, common signal power supply 3,
Signal issuing side mouth 4 and signal acquisition port 5, first resistor 6, second resistance 7, synchrolock 8；
The photoelectrical coupler 1 avoids all masters for separating the control power supply of every host for double photoelectrical couplers
The control power supply of machine altogether after generation interference；
The photoelectrical coupler shares eight pins, the respectively first anode 11, second plate 12, the first cathode 13,
Two cathode 14, the first collector 15, the second collector 16, the first emitter 17, the second emitter 18；The first anode 11 with
First collector 15 connects and passes through the signal-powered power supply 2 of 6 access host of first resistor；The signal issuing side mouth 4 and first
Cathode 13 connects；First emitter 17 is grounded, and the signal acquisition port 5 is connect with the first collector 15；Described second
Collector 16 accesses common signal power supply 3 by second resistance 7；Second emitter 18 is connect with second plate 12；
Second cathode 14 is grounded；
Synchrolock 8 one terminates the second emitter 18, and the other end is connected with the line synchro of other signal synchronization circuits；
The emergency power supply inverter host core controller module issues synchronization signal by signal issuing side mouth 4, leads to
It crosses signal acquisition port 5 and acquires synchronization signal.
Photoelectrical coupler 1 is using double optocoupler TLP521 in the present embodiment.
2 voltage of host signal power supply is+5V in the present embodiment.
3 voltage of common signal power supply is+12V in the present embodiment.
Emergency power supply inverter host core controller module goes out synchronous letter by signal issuing side mouth hair 4 in the present embodiment
Number be low level useful signal.
The working principle of emergency power supply parallel signal synchronous circuit system is as follows in the present embodiment:
Emergency power supply inverter host core controller module issues low level by signal issuing side mouth and effectively synchronizes
Signal, when the signal that emergency power supply inverter host core controller module issues is low level, the first of the first optocoupler is negative
Pole has electric current to flow through, the conducting of the first optocoupler, the electric current of common signal power supply 3 through second resistance, the second emitter 17, into
Enter the second plate 12 of the second optocoupler, the conducting of the second optocoupler, signal acquisition port 5 is low level；It is same when signal issuing side mouth 4
Walk signal stop when, as high level when, the first optocoupler is not turned on, the second optocoupler cut-off, signal acquisition port 5 be high level；
When with there is one to issue at first in the one-to-one signal synchronization circuit of each emergency power supply inverter host core controller module
Synchronization signal, the first optocoupler conducting in signal synchronization circuit, the electric current of common signal power supply is through its second resistance 7, the
Two emitters 17, so that the optocoupler in the signal synchronization circuit being attached thereto is both turned on, reach synchronization signal by line synchro 8
Purpose.Three emergency power supply inverter host signals are illustrated in figure 2 by signal synchronization circuit, by signal 1, signal 2, letter
Numbers 3 it is synchronous be synchronization signal waveform diagrams.
A kind of emergency power supply parallel signal synchronous circuit system of the invention passes through the modelled signal synchronization in every host
Circuit realizes that every host obtains consistent synchronization signal, and mutually isolated between signal, and it is dry to reduce mutual signal
It disturbs, obtains high quality synchronization signal, so that it is guaranteed that the reliability in signals transmission, efficiently solves host synchronization in parallel
The problem of signal conformance, practical value with higher and wide application prospect.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of emergency power supply parallel signal synchronous circuit system, each emergency power supply inverter host core including access system
Controller module, which is characterized in that further include believing correspondingly with each emergency power supply inverter host core controller module
Number synchronous circuit；
The signal synchronization circuit includes photoelectrical coupler, host signal power supply, common signal power supply, signal sending
Port and signal acquisition port, first resistor, second resistance, synchrolock；
The photoelectrical coupler avoids All hosts for separating the control power supply of every host for double photoelectrical couplers
Generation interference after controlling power supply altogether；
The photoelectrical coupler shares eight pins, the respectively first anode, second plate, the first cathode, the second cathode, first
Collector, the second collector, the first emitter, the second emitter；The first anode connect with the first collector and passes through
The one signal-powered power supply of resistance access host；The signal issuing side mouth is connect with the first cathode；The first emitter ground connection,
The signal acquisition port is connect with the first collector；Second collector accesses common signal power supply electricity by second resistance
Source；Second emitter is connect with second plate；The second cathode ground connection；
Synchrolock one terminates the second emitter, and the other end is connected with the line synchro of other signal synchronization circuits；
The emergency power supply inverter host core controller module issues synchronization signal by signal issuing side mouth, passes through signal
Acquire port processing synchronization signal.
2. a kind of emergency power supply parallel signal synchronous circuit system according to claim 1, which is characterized in that the photoelectricity
Coupler is using double optocoupler TLP521.
3. a kind of emergency power supply parallel signal synchronous circuit system according to claim 1, which is characterized in that the host
Signal-powered supply voltage is+5V.
4. a kind of emergency power supply parallel signal synchronous circuit system according to claim 1, which is characterized in that described public
Signal-powered supply voltage is+12V.
5. a kind of emergency power supply parallel signal synchronous circuit system according to claim 1, which is characterized in that the emergency
It is low level useful signal that power inverter host core controller module, which issues synchronization signal by signal issuing side mouth,.
6. a kind of emergency power supply parallel signal synchronous circuit system according to claim 1, which is characterized in that its work is former
It manages as follows:
Emergency power supply inverter host core controller module issues the effective synchronization signal of low level by signal issuing side mouth,
When the signal that emergency power supply inverter host core controller module issues is low level, the first cathode of the first optocoupler has electricity
Stream flows through, and the conducting of the first optocoupler, the electric current of common signal power supply is through second resistance, the second emitter, into the second optocoupler
Second plate, the second optocoupler conducting, signal acquisition port be low level；When the synchronization signal of signal issuing side mouth stops,
As high level when, the first optocoupler is not turned on, the second optocoupler cut-off, signal acquisition port be high level；When with each emergency power supply
There is one to issue synchronization signal at first in the one-to-one signal synchronization circuit of inverter host core controller module, signal is same
The first optocoupler conducting in step circuit, the electric current of common signal power supply is through its second resistance, the second emitter, by synchronization
Line achievees the purpose that synchronization signal so that the optocoupler in the signal synchronization circuit being attached thereto is both turned on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710363486.9A CN107124116B (en) | 2017-05-22 | 2017-05-22 | A kind of emergency power supply parallel signal synchronous circuit system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710363486.9A CN107124116B (en) | 2017-05-22 | 2017-05-22 | A kind of emergency power supply parallel signal synchronous circuit system |
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| Publication Number | Publication Date |
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| CN107124116A CN107124116A (en) | 2017-09-01 |
| CN107124116B true CN107124116B (en) | 2019-03-29 |
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| CN201710363486.9A Expired - Fee Related CN107124116B (en) | 2017-05-22 | 2017-05-22 | A kind of emergency power supply parallel signal synchronous circuit system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113395806B (en) * | 2021-04-27 | 2023-01-24 | 青岛威奥轨道股份有限公司 | Synchronous flashing circuit of railway tail lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201035349Y (en) * | 2007-04-29 | 2008-03-12 | 陈冀生 | Cis-position master-slave synchronisation control circuit device |
| CN203554056U (en) * | 2013-09-30 | 2014-04-16 | 深圳市金三科电子有限公司 | Non-master-slave adaptive three phase UPS parallel system |
| CN203554054U (en) * | 2013-11-04 | 2014-04-16 | 广东易事特电源股份有限公司 | UPS (Uninterrupted Power Supply) parallel operation system |
| CN204068249U (en) * | 2014-04-04 | 2014-12-31 | 华南理工大学 | A kind of electrochemistry DC power supply is with frequency out-phase parallel control system |
| JP5768165B2 (en) * | 2014-05-19 | 2015-08-26 | 東芝三菱電機産業システム株式会社 | Uninterruptible power supply system |
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Granted publication date: 20190329 Termination date: 20210522 |