CN107733075A - A kind of electric power system for preventing power-supply fluctuation from impacting - Google Patents
A kind of electric power system for preventing power-supply fluctuation from impacting Download PDFInfo
- Publication number
- CN107733075A CN107733075A CN201711119771.2A CN201711119771A CN107733075A CN 107733075 A CN107733075 A CN 107733075A CN 201711119771 A CN201711119771 A CN 201711119771A CN 107733075 A CN107733075 A CN 107733075A
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- CN
- China
- Prior art keywords
- power
- supply
- power supply
- fluctuation
- lithium battery
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- 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
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
-
- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of electric power system for preventing power-supply fluctuation from impacting, including lithium battery stand-by power supply, main connection power supply and power-supply fluctuation identification control device；The main connection power supply is connected with the supply input port of electrical equipment respectively with the lithium battery stand-by power supply via power transfer device, the power-supply fluctuation identification control device connects with the main connection power supply and lithium battery stand-by power supply respectively, it is provided with power-supply fluctuation parameter identification module, and be connected with the power transfer device, the power supply parameter of the power-supply fluctuation identification device monitoring main connection power supply simultaneously sends switching signal to the power transfer device.The present invention sets power-supply fluctuation identification device, effectively prevents power-supply fluctuation from impacting the infringement to electrical equipment, improve operation stability, extension device service life by using the high stability of lithium battery.
Description
Technical field
The present invention relates to a kind of power supply, more particularly, to a kind of electric power system for preventing power-supply fluctuation from impacting.
Background technology
Increasing electrical equipment is run in the case of unattended at present, and is typically all to need for a long time
Constantly run.Therefore schedule to last the stability of the power supply of power supply become influence equipment operation stability one of them is extremely heavy
The factor wanted.In the running of in general electrical equipment, usually connect civil power and other stand-by power supplies are continuous as its
The power supply of power supply, still, either civil power or other stand-by power supplies, such as fuel cell etc., it is likely to because some are different
Normal reason causes the situation that power supply fluctuates, and at present, the power supply process of the electrical equipment of long-play is needed in general
In, it even if there is certain fluctuation in certain circuit, can also continue to be powered using the circuit, unless the circuit powers off, then cut
Shift to the power supply of other extension wires；And the time of this fluctuation is longer or when amplitude is excessive, and electrical equipment can undoubtedly be caused
Serious infringement.
The content of the invention
Present invention solves the technical problem that being to provide a kind of electric power system for preventing power-supply fluctuation from impacting, power supply is effectively prevented
Infringement of the fluctuation impact to electrical equipment, improves operation stability, extension device service life.
The present invention technical solution be：
A kind of electric power system for preventing power-supply fluctuation from impacting, wherein, including lithium battery stand-by power supply, main connection power supply and electricity
Fluctuate identification control device in source；Main connection power supply and the lithium battery stand-by power supply via power transfer device respectively with
The supply input port connection of electric equipment, the power-supply fluctuation identification control device respectively with the main connection power supply and lithium battery
Stand-by power supply connects, and it is provided with power-supply fluctuation parameter identification module, and is connected with the power transfer device, the power-supply fluctuation
The power supply parameter of the identification device monitoring main connection power supply simultaneously sends switching signal to the power transfer device.
Learnt by described above, the present invention compared with prior art, can reach the effect of following really：
The electric power system for preventing power-supply fluctuation impact of the present invention, by setting power-supply fluctuation identification device to main connection electricity
Source carries out fluctuation monitoring, when its power supply parameter occur it is abnormal, while in the case of not triggering the protection acts such as tripping operation, in its fluctuation
When numerical value has exceeded the setting upper limit of power-supply fluctuation identification device, power-supply fluctuation identification device control power transfer device will power
Circuit switching fluctuates the characteristics of small to be powered by lithium battery stand-by power supply, using lithium battery power supply, effectively makes main connection power supply
When power supply has abnormal conditions, the hidden danger for avoiding electrical equipment from being damaged occurs, it would be possible to which the loss of appearance drops to most
It is small.
Brief description of the drawings
Fig. 1 is the structural representation of the electric power system for preventing power-supply fluctuation impact of the present invention.
Main element label declaration：
The present invention：
1：Power-supply fluctuation identification control device 2：Lithium battery stand-by power supply 3：Main connection power supply
4：Electrical equipment 5：Power transfer device
Embodiment
In order to which technical characteristic, purpose and the effect of the present invention is more clearly understood, now control illustrates this hair
Bright embodiment.
The characteristic that the present invention exports by using the high stable of lithium battery, is incorporated into the electricity consumption for needing long-play
Among the electric power system of equipment, a kind of efficient security solution is provided to improve the stability of power supply power supply.It refer to
Shown in Fig. 1, for a kind of structural representation of the preferred embodiment of electric power system for preventing power-supply fluctuation from impacting of the present invention, such as scheme
Shown, in its preferable embodiment, this prevents the electric power system that power-supply fluctuation is impacted from including lithium battery stand-by power supply 2, main company
Connect power supply 3 and power-supply fluctuation identification control device 1；The main connection power supply 3 is cut with the lithium battery stand-by power supply 2 via power supply
Changing device 5 is connected with the supply input port of electrical equipment 4 respectively, and electrical equipment 4 can select to receive the confession of main connection power supply 3
The power supply of electricity either lithium battery stand-by power supply 2；Generally, when main connection power supply 3 powers off, lithium battery can be automatically switched to
Stand-by power supply 2 is powered continuation of the journey.The power-supply fluctuation identification control device 1 respectively with the main connection power supply 3 and lithium battery
Stand-by power supply 2 connects, and it is provided with power-supply fluctuation parameter identification module, and is connected with the power transfer device 5, the power supply ripple
The power supply parameter of the dynamic identification device monitoring main connection power supply 3 simultaneously sends switching signal to the power transfer device 5.Pass through
Monitoring to main connection power supply 3, can be required according to the Parameters threshold of setting, and the power supply major parameter of main connection power supply 3 is entered
Row monitoring and analysis, and when more than the threshold value of setting, switching signal is sent to power transfer device 5, by electrical equipment 4
Power supply switches to lithium battery stand-by power supply 2, avoids the influence of unstable power supply completely.When power-supply fluctuation identification device is according to pre-
The judgment rule first set monitors that the supply variation of main connection power supply 3 disappears, and during stable power-supplying back to normal, sends switching letter
Number supply line is switched into main connection power supply 3 to power transfer device 5 continues to power, and now disconnects lithium battery stand-by power supply 2
Power supply.
The present invention's as described above prevents electric power system that power-supply fluctuation is impacted, in its preferred embodiment, the electricity
The power-supply fluctuation parameter identification module of source fluctuation identification control device 1, which includes voltage identification module, electric current identification module, power, to be known
Other module and wave time identification module, obtain the first supplemental characteristic of the main connection power supply and the lithium battery stand-by power supply
The second supplemental characteristic.By the monitoring to the voltage of main connection power supply 3, electric current, power and wave time, the main company is obtained
The first supplemental characteristic of power supply and the second supplemental characteristic of the lithium battery stand-by power supply are connect, and is according to the rule judgment of setting
The no situation for occurring needing the power-supply fluctuation avoided abnormal, determine whether that sending switching signal to power transfer device 5 holds
Row switching, main connection power supply 3 is switched into lithium battery stand-by power supply 2；It is equally possible that monitoring that main connection power supply 3 is different
After often disappearing, send switching signal to power transfer device 5, switching lithium battery stand-by power supply 2 switch based on connection power supply 3 carry out
Power supply.
The present invention's as described above prevents electric power system that power-supply fluctuation is impacted, in its preferred embodiment, the electricity
Source fluctuation identification control device 1 includes running state monitoring module and communication module.The power-supply fluctuation identification device can lead to
Cross parameter information corresponding to the collection of running state monitoring module, and the state letter of lithium battery stand-by power supply 2 and main connection power supply 3
Cease and be uploaded to by communication module in the monitoring device or service end specified, so that technical staff is analyzed and processed,
Reach more preferable monitoring effect.The use state of lithium battery stand-by power supply 2 can also be recognized simultaneously, can know lithium earlier
The use state of battery backup power source 2, the service such as technical support is carried out in time.
The present invention's as described above prevents electric power system that power-supply fluctuation is impacted, in its preferred embodiment, the electricity
Source fluctuation identification device is provided with fluctuation siren and manual circuit switching switch.By being arranged on power-supply fluctuation identification device
Fluctuation siren, on-site personnel can be made to understand power supply service condition at any time, and Field Force is according to actual state
After carrying out secondary judgement, manually circuit switching switch carries out manual switching to power transfer device 5, to meet field operation
Need.
The present invention's as described above prevents electric power system that power-supply fluctuation is impacted, in its preferred embodiment, the lithium
Battery backup power source 2 is provided with charging end, the charging end connection main connection power supply 3.Lithium battery stand-by power supply 2 is in use
Or when not in use, the main connection power supply 3 is all connected with always and is charged.
The present invention's as described above prevents electric power system that power-supply fluctuation is impacted, in its preferred embodiment, the lithium
Battery backup power source is intelligent multifunctional lithium battery power supply；It is connected and supervised with the charging end provided with charged state monitoring device
Survey the power parameter state of the charging end；The charged state monitoring device include voltage detection module, current detection module,
Charging interval monitoring modular and second communication module, the charged state monitoring device and the power-supply fluctuation identification control device
Signal connects, and the charged state monitoring device leads to the 3rd supplemental characteristic of the main connection power supply detected via second
Letter module feedback to the power-supply fluctuation identification control device, the power-supply fluctuation identification control device combines the first supplemental characteristic
And the 3rd supplemental characteristic be overlapped average analysis, judge whether the output of main power source is in normal condition.The present invention is not only sharp
With power-supply fluctuation identification control device directly monitor it is main connection power supply power consumption parameter state, while also using it is main connection power supply with
The charged state monitoring device that the circuit of intelligent multifunctional lithium battery power supply charging connection passes through intelligent multifunctional lithium battery power supply
Obtain the 3rd supplemental characteristic of main connection power supply, therefore the state reached the standard grade in the intelligent multifunctional lithium battery power supply again again
Under, the power supply parameter data of two parts of main connection power supplys can be obtained simultaneously, by carrying out analysis judgement with reference to two parts of data, obtained
The evaluation result of the electrical stability of final main connection power supply, the instruction of Switching power is made whether with this again.Compared to only
It is the judgement to single power supply supplemental characteristic, the judgement of dual supplemental characteristic can be that the accuracy judged is greatly enhanced.Together
When, can also by the comparative analysis of two-way supplemental characteristic, determine whether unsure state whether based on connect power supply supply
Electricity is unstable, or a certain circuit has the problem of line fault, finds that circuit hidden danger provides basis for estimation for rear this morning,
To a certain extent, the security of electricity consumption is improved, protects electrical equipment.
The present invention's as described above prevents electric power system that power-supply fluctuation is impacted, described to fill in its preferred embodiment
Voltage detection module, current detection module and the charging interval monitoring modular of electricity condition monitoring device connect the intelligent multifunctional
The output end of the lithium battery group of lithium battery power supply, the power-supply fluctuation identification control device can receive the intelligent multifunctional simultaneously
4th supplemental characteristic of lithium battery power supply, and judge that the power supply state of the intelligent multifunctional lithium battery power supply decides whether to send
The switching signal of Switching power.4th supplemental characteristic can be supplied to the power-supply fluctuation identification control device, in order to reality
When confirm whether the working condition of the intelligent multifunctional lithium battery power supply is in normal state, find intelligent multifunctional in time
The failure of lithium battery power supply, and timely safeguarded, ensureing the continuously running duty of electrical equipment will not be affected.
The present invention's as described above prevents electric power system that power-supply fluctuation is impacted, in its preferred embodiment, the master
Connection power supply 3 includes mains supply, local power net power supply and/or fuel cell power source.The existing main connection form of power supply 3 is a variety of
It is various, it also therefore result in main connection power supply 3 and there is a possibility that erratic fluctuations is increasing, it is thus caused to electricity consumption
The impact damage of equipment is also more and more, thus the of the invention electric power system for preventing power-supply fluctuation from impacting of the present invention its connect
Main connection power supply 3 is connect towards the various power supplys for being capable of continued power, is coordinated the stability of lithium battery power supply, forms lithium battery
Stand-by power supply 2 serves not only as stand-by power supply, but further as when can effectively avoid power supply power supply parameter exception pairs
Electrical equipment brings the problem of impact damage.
The electric power system for preventing power-supply fluctuation impact of the present invention, by setting power-supply fluctuation identification device to main connection electricity
Source 3 carries out fluctuation monitoring, when its power supply parameter occur it is abnormal, while in the case of not triggering the protection acts such as tripping operation, in its ripple
When dynamic numerical value has exceeded the setting upper limit of power-supply fluctuation identification device, power-supply fluctuation identification device control power transfer device 5 will
Supply line switches to is powered by lithium battery stand-by power supply 2, is fluctuated the characteristics of small using lithium battery power supply, is effectively made main connection
When power supply has abnormal conditions, the hidden danger for avoiding electrical equipment from being damaged occurs power supply 3, it would be possible to the loss drop of appearance
To minimum.Live electricity consumption situation can also preferably be analyzed by the collection of data simultaneously, ensure the safe operation of electrical equipment.
The schematical embodiment of the present invention is the foregoing is only, is not limited to the scope of the present invention.It is any
Those skilled in the art, made equivalent variations and modification on the premise of the design of the present invention and principle is not departed from,
The scope of protection of the invention should be belonged to.
Claims (8)
1. a kind of electric power system for preventing power-supply fluctuation from impacting, it is characterised in that including lithium battery stand-by power supply, main connection power supply
And power-supply fluctuation identification control device；The main connection power supply is distinguished with the lithium battery stand-by power supply via power transfer device
Be connected with the supply input port of electrical equipment, the power-supply fluctuation identification control device respectively with the main connection power supply and lithium
Battery backup power source connects, and it is provided with power-supply fluctuation parameter identification module, and is connected with the power transfer device, the power supply
Fluctuate the power supply parameter of the identification device monitoring main connection power supply and send switching signal to the power transfer device.
2. the electric power system as claimed in claim 1 for preventing power-supply fluctuation from impacting, it is characterised in that the power-supply fluctuation identification
The power-supply fluctuation parameter identification module of control device includes voltage identification module, electric current identification module, power identification module and ripple
Dynamic time identification module, obtain the first supplemental characteristic of the main connection power supply and the second parameter of the lithium battery stand-by power supply
Data.
3. the electric power system as claimed in claim 2 for preventing power-supply fluctuation from impacting, it is characterised in that the power-supply fluctuation identification
Control device includes running state monitoring module and communication module.
4. the electric power system as claimed in claim 3 for preventing power-supply fluctuation from impacting, it is characterised in that the power-supply fluctuation identification
Device is provided with fluctuation siren and manual circuit switching switch.
5. the electric power system as claimed in claim 4 for preventing power-supply fluctuation from impacting, it is characterised in that the lithium battery standby electricity
Source is provided with charging end, and the charging end connects the main connection power supply.
6. the electric power system as claimed in claim 5 for preventing power-supply fluctuation from impacting, it is characterised in that the lithium battery standby electricity
Source is intelligent multifunctional lithium battery power supply；It is connected with the charging end provided with charged state monitoring device and monitors the charging
The power parameter state at end；The charged state monitoring device includes voltage detection module, current detection module, charging interval prison
Survey module and second communication module, the charged state monitoring device be connected with the power-supply fluctuation identification control device signal,
The charged state monitoring device is anti-via second communication module by the 3rd supplemental characteristic of the main connection power supply detected
The power-supply fluctuation identification control device is fed to, the power-supply fluctuation identification control device combines the first supplemental characteristic and the 3rd ginseng
Number data are overlapped average analysis, judge whether the output of main power source is in normal condition.
7. the electric power system as claimed in claim 6 for preventing power-supply fluctuation from impacting, it is characterised in that the charged state monitoring
Voltage detection module, current detection module and the charging interval monitoring modular of device connect the intelligent multifunctional lithium battery power supply
Lithium battery group output end, the power-supply fluctuation identification control device can receive the intelligent multifunctional lithium battery power supply simultaneously
The 4th supplemental characteristic, and judge that the power supply state of the intelligent multifunctional lithium battery power supply decides whether to send Switching power
Switching signal.
8. the electric power system as claimed in claim 7 for preventing power-supply fluctuation from impacting, it is characterised in that the main connection power supply bag
Include mains supply, local power net power supply and/or fuel cell power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711119771.2A CN107733075A (en) | 2017-11-14 | 2017-11-14 | A kind of electric power system for preventing power-supply fluctuation from impacting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711119771.2A CN107733075A (en) | 2017-11-14 | 2017-11-14 | A kind of electric power system for preventing power-supply fluctuation from impacting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107733075A true CN107733075A (en) | 2018-02-23 |
Family
ID=61215362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711119771.2A Pending CN107733075A (en) | 2017-11-14 | 2017-11-14 | A kind of electric power system for preventing power-supply fluctuation from impacting |
Country Status (1)
| Country | Link |
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| CN (1) | CN107733075A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113489132A (en) * | 2021-06-30 | 2021-10-08 | 广州极飞科技股份有限公司 | Power supply circuit and method |
| CN119182213A (en) * | 2024-11-26 | 2024-12-24 | 哈尔滨入云科技有限公司 | Communication base station dual-power system based on Internet of things |
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| CN105244998A (en) * | 2015-11-10 | 2016-01-13 | 江苏银佳企业集团有限公司 | Emergency power supply (EPS) having modular structure |
| CN105406583A (en) * | 2015-12-16 | 2016-03-16 | 易事特集团股份有限公司 | Uninterruptible power supply system and its control method |
| CN205829291U (en) * | 2016-07-27 | 2016-12-21 | 杭州凯畅电力技术有限公司 | The system of a kind of RS485 data acquisition looped network equipment and power supply circuits |
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| CN103078384A (en) * | 2013-02-04 | 2013-05-01 | 深圳市喻深鸿电气科技有限公司 | Uninterruptible power supply |
| CN104124748A (en) * | 2013-04-27 | 2014-10-29 | 广州邦讯信息系统有限公司 | Public transport station intelligent power supply system compensated by clean energy |
| CN105244998A (en) * | 2015-11-10 | 2016-01-13 | 江苏银佳企业集团有限公司 | Emergency power supply (EPS) having modular structure |
| CN105406583A (en) * | 2015-12-16 | 2016-03-16 | 易事特集团股份有限公司 | Uninterruptible power supply system and its control method |
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| CN113489132A (en) * | 2021-06-30 | 2021-10-08 | 广州极飞科技股份有限公司 | Power supply circuit and method |
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| CN119182213A (en) * | 2024-11-26 | 2024-12-24 | 哈尔滨入云科技有限公司 | Communication base station dual-power system based on Internet of things |
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Application publication date: 20180223 |
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