CN106208360B - A kind of charging/discharging thereof and device of emergency power supply - Google Patents
A kind of charging/discharging thereof and device of emergency power supply Download PDFInfo
- Publication number
- CN106208360B CN106208360B CN201610812113.0A CN201610812113A CN106208360B CN 106208360 B CN106208360 B CN 106208360B CN 201610812113 A CN201610812113 A CN 201610812113A CN 106208360 B CN106208360 B CN 106208360B
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- Prior art keywords
- electricity
- battery group
- power supply
- alternating current
- emergency power
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Classifications
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- 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
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- 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
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- 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
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- 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
A kind of charging/discharging thereof and device of emergency power supply, it is related to emergency power supply technical field, it is battery charging that its method, which is in the low power consumption phase, because the electricity charge of low power consumption phase are relatively cheap, electric cost can be reduced by carrying out energy storage in the low power consumption phase, it enables battery group discharge in peak times of power consumption and guarantees battery group there are minimum spare electricity A, minimum spare electricity A, which can ensure that, enough electricity supply loads in city's electrical anomaly, it carries out releasing energy in peak times of power consumption, the high price electricity using peak times of power consumption can be reduced, electric cost can be reduced, improve the utilization rate of inverter, and then achieve the purpose that existing resource can be made full use of.
Description
Technical field
The present invention relates to emergency power supply technical fields, more particularly to a kind of charging/discharging thereof of emergency power supply, this method
It is some or all of by establishing functional module construction, computer system is controlled by computer program and is completed, these calculating
Machine program instruction stores in a computer-readable storage medium.
Background technique
Emergency power system is the emergency power supply for meeting the particular/special requirements such as fire protection sector.Emergency power supply is used as independently of power grid
Except backup power source, be widely used among various architectural engineerings, the EPS of implicit battery pack is wide as emergency power supply
General application, is especially used as emergency power supply.Emergency power system is generally all by output isolation transformer, inverter module, charging
The units such as module, switching module and monitoring module composition.With China's energy supply is in short supply, environmental pressure increase etc. it is contradictory by
Step highlights, and the price of the non-renewable energy such as coal persistently rises, and power price also goes up therewith.In order to promote resource-effective and environment
Friendly social construction, guides rational utilization of electricity and using electricity wisely, and many countries in the whole world have all put into effect step price policy etc..Ladder
The most important significance of electricity price is solve the problems, such as fair and efficiency, on the other hand, increasingly serious in face of energy and environmental problem,
The general orientation that the execution of step price meets energy-saving and emission-reduction has obtained sustainable development of socio-economy role
Generally approve.For example South Korea, the electricity price on daytime are the three times of night shift or more, these policies are all guidance user's peak load shiftings,
There is the problem of peak time energy shortage in reduction.
However, the system function of traditional emergency power supply is single, typically only as independently of the standby electricity except power grid
Source, most of the time all work in bypass mode (main power mode), and therefore, the inverter most of the time is all in standby shape
Therefore state, this waste for being actually equivalent to resource need to improve traditional emergency power supply.
Summary of the invention
A kind of charge and discharge side of emergency power supply is provided it is an object of the invention to avoid shortcoming in the prior art
The charging/discharging thereof of method, the emergency power supply can be improved the utilization rate of inverter, to make full use of existing resource.
The purpose of the present invention is achieved through the following technical solutions:
A kind of charging/discharging thereof of emergency power supply is provided, the emergency power supply includes battery group, it is characterised in that: described
Method is to enable alternating current for battery charging in the low power consumption phase, enables battery group be load supplying and guarantee in peak times of power consumption
There are minimum spare electricity A for battery group.
Wherein, the charging/discharging thereof of the emergency power supply, includes the following steps:
Step 1: determining the electricity consumption period at that time, if being in peak times of power consumption, two is thened follow the steps, if be in
The low power consumption phase thens follow the steps three；
Step 2: if the electricity for detecting battery group enables alternating current to battery group no more than minimum spare electricity A
Charging, if the electricity for detecting battery group enables alternating current not to electric power storage between minimum spare electricity A and reserved electricity B
The charging of pond group, if detecting that the electricity of battery group is not less than reserved electricity B, enabling battery group is load supplying, wherein
Minimum spare electricity A is less than reserved electricity B；
Step 3: it detects the electricity underfill of battery group, then enables alternating current to battery charging.
Wherein, the charging/discharging thereof of the emergency power supply first carries out following step before determining the electricity consumption period at that time
It is rapid:
Whether abnormal determine alternating current, if alternating current is normal, then determines the electricity consumption period at that time, if city's electrical anomaly,
Then enabling battery group is load supplying.
Wherein, the minimum spare electricity A in the step 2 is the 50% of the specified electric quantity of battery group, the step 2
In reserved electricity B be battery group specified electric quantity 60%.
Wherein, the electricity consumption period at that time of the step 1 is set by monitoring system.
Wherein, the electricity size of the battery group is, battery management system detected by battery management system
The electricity size of battery group is uploaded to monitoring system, monitoring system is according to the electricity of electricity consumption period and battery group at that time
It measures the two parameters of size and determines which kind of operating mode the emergency power supply enters, wherein the operating mode of the emergency power supply
Including charge mode and discharge mode.
Wherein, the monitoring system includes local monitoring system and/or remote monitoring system.
Beneficial effects of the present invention: a kind of charging/discharging thereof of emergency power supply of the invention, by being in the low power consumption phase
Battery charging because the electricity charge of low power consumption phase are relatively cheap, the low power consumption phase carry out energy storage can reduce electricity consumption at
This enables battery group discharge and guarantees battery group there are minimum spare electricity A in peak times of power consumption, and minimum spare electricity A can
Ensure there are enough electricity supply loads in city's electrical anomaly, carries out releasing energy in peak times of power consumption, it is possible to reduce high using electricity consumption
The high price electricity of peak phase, can reduce electric cost, improve the utilization rate of inverter, and then reach and can make full use of existing resource
Purpose.
Detailed description of the invention
Invention is described further using attached drawing, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to the following drawings
Its attached drawing.
Fig. 1 is a kind of overall structure diagram of emergency power supply of the invention.
Fig. 2 is a kind of EPS system of emergency power supply of the invention and the structural schematic diagram of battery system.
Specific embodiment
The invention will be further described with the following Examples.
The emergency power supply of the prior art, including charger, inverter and battery group, when alternating current is normal, alternating current passes through side
Road is load supplying, while alternating current is battery charging by charger, and when city's electrical anomaly, battery group is by inverter
Load supplying.
The emergency power supply of the present embodiment, as shown in Fig. 2, including EPS system (i.e. emergency power system) and battery group,
EPS system includes charger and inverter, and successively charged device and inverter and load connect alternating current, and alternating current is also bypassed direct
It is connected with load, battery is connected to charger and the direct node of inverter, passes through switch K1, K2, K3 in control circuit
Realize that different working methods, working method are as follows with the state of K4:
1, when peak times of power consumption, there are two types of modes:
A, EPS system works in inverter mode: if battery management system detects the electricity of battery group not less than volume
When determining 60% (safe electricity is for spare) of electricity, then switch K3 is disconnected, making alternating current is not load supplying, is reduced high using electricity
The peak phase uses the alternating current of high price, disconnects switch K4, and making alternating current is not battery charging, and reduction makes peak times of power consumption use high price
Alternating current, disconnect switch K1, closure switch K2, make battery group to load supplying, make full use of the electric energy of battery group storage,
Because the electric energy was stored in the electricity charge comparatively cheap low power consumption phase, it is possible to electric cost is reduced, when battery group
Electricity be lower than specified electric quantity 60% when, stop to load supplying.
B, EPS system works in main power mode: if battery management system detects that the electricity size of battery group is lower than
Specified electric quantity 60% and be higher than specified electric quantity 50% when, in order to which the part electricity of battery is made in main electrical anomaly
With cannot employ again at this time, so closure switch K3, allow alternating current to be load supplying, closure switch K4 makes alternating current be continuously charging
Device power supply disconnects switch K1, closure switch K2 to facilitate the enabling of charger, so that battery group is kept for the moment online, in city
It can be powered at once when electrical anomaly, at this time not be battery charging.
2, when the low power consumption phase, EPS system works in main power mode: if battery management system detects battery group
When electricity is lower than the specified electric quantity of battery group, then closure switch K3, allows cheap alternating current to be load supplying, meanwhile, closure is opened
K4, and switch K1 are closed, opening charger, (closure of switch K4 is that alternating current is allowed to power for charger, and whether the unlatching of charger
In addition it controls, unrelated with switch K4), allow cheap alternating current to be battery charging, switch K2 closure, so that battery group
It is kept for the moment online, can be powered at once when electrical anomaly in city.
3, EPS system works in inverter mode: if city's electrical anomaly, disconnecting switch K3, bypass is disconnected, alternating current is stopped
Only to load supplying, meanwhile, switch K4 is disconnected, stops alternating current to battery charging, switch K1 closure or disconnection all may be used
With, closure switch K2, EPS system enters inverter mode, by battery group through inverter be load supplying.
Mode setting: carrying out mode to fire-fighting emergency power system by monitoring system and pre-set, charging, the electric discharge of EPS
With turn bypass must automatic operating according to set time, for example EPS system operational mode and runing time are provided that
Above mode setting is only given one example, and can be modified according to actual needs in practical operation.
In addition, as shown in Figure 1, the monitoring system of the present embodiment includes the local monitoring system communicated with each other and long-range monitoring
System can remotely be monitored by remote monitoring system, and monitoring personnel is facilitated to carry out remote monitor.
The present embodiment is specifically to carry out mode to fire-fighting emergency power system in local monitoring system to pre-set.
A kind of charging/discharging thereof of the emergency power supply of the present embodiment, by being battery charging in the low power consumption phase, because
The electricity charge for the low power consumption phase are relatively cheap, and electric cost can be reduced by carrying out energy storage in the low power consumption phase, in peak times of power consumption
It enables battery group discharge and guarantees battery group there are minimum spare electricity A, minimum spare electricity A can ensure that in city's electrical anomaly
There is the supply load of enough electricity, release in peak times of power consumption can, it is possible to reduce, can be with using the high price electricity of peak times of power consumption
Electric cost is reduced, improves the utilization rate of inverter, and then achieve the purpose that existing resource can be made full use of.
This method it is some or all of by establishing functional module construction, by computer program control computer system Lai
It completes, these computer program instructions store in a computer-readable storage medium.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (6)
1. a kind of charge and discharge device of emergency power supply, the emergency power supply includes battery group, it is characterised in that: described device packet
Low ebb charging unit and peak electric discharge device are included, it is battery group that the low ebb charging unit, which is used to enable alternating current in the low power consumption phase,
Charging, the peak electric discharge device are used to enable battery group be load supplying and guarantee battery group there are most in peak times of power consumption
Low spare electricity A；
The device includes following module:
Module one: it determines the electricity consumption period at that time, if being in peak times of power consumption, calling module two, if in using
Electric trough period then calling module three；
Module two: if it detects that the electricity of battery group no more than minimum spare electricity A, enables alternating current to fill battery group
Electricity, and enabling alternating current is load supplying, if detect the electricity of battery group between minimum spare electricity A and reserved electricity B,
Then enable alternating current not to battery charging, but enabling alternating current is load supplying, if detecting the electricity of battery group not less than pre-
Electricity B is stayed, then enabling battery group is load supplying, wherein minimum spare electricity A is less than reserved electricity B；
Module three: it detects the electricity underfill of battery group, then enables alternating current to battery charging.
2. a kind of charge and discharge device of emergency power supply as described in claim 1, it is characterised in that: the device further includes alternating current shape
State judgment module, city's electricity condition include that alternating current is normal and city's electrical anomaly, the alternating current condition judgment module are used in determination
Before the electricity consumption period at that time, whether abnormal alternating current is determined, if alternating current is normal, then determines the electricity consumption period at that time,
If city's electrical anomaly, enabling battery group is load supplying.
3. a kind of charge and discharge device of emergency power supply as described in claim 1, it is characterised in that: minimum in the module two
Spare electricity A is the 50% of the specified electric quantity of battery group, and the reserved electricity B in the module two is the specified electricity of battery group
The 60% of amount.
4. a kind of charge and discharge device of emergency power supply as described in claim 1, it is characterised in that: the module one at that time
The electricity consumption period is set by monitoring system.
5. a kind of charge and discharge device of emergency power supply as claimed in claim 4, it is characterised in that: the electricity of the battery group
Size be it is detected by battery management system, battery management system by the electricity size of battery group be uploaded to monitoring system
System, monitoring system according at that time the electricity consumption period and the two parameters of the electricity size of battery group decision emergency power supply
Into which kind of operating mode, wherein the operating mode of the emergency power supply includes charge mode and discharge mode.
6. a kind of charge and discharge device of emergency power supply as claimed in claim 4, it is characterised in that: the monitoring system includes this
Ground monitoring system and/or remote monitoring system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610812113.0A CN106208360B (en) | 2016-09-08 | 2016-09-08 | A kind of charging/discharging thereof and device of emergency power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610812113.0A CN106208360B (en) | 2016-09-08 | 2016-09-08 | A kind of charging/discharging thereof and device of emergency power supply |
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| CN106208360A CN106208360A (en) | 2016-12-07 |
| CN106208360B true CN106208360B (en) | 2019-04-02 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106849259B (en) * | 2017-03-15 | 2019-04-02 | 易事特集团股份有限公司 | Ups system and its ups system intelligence charge-discharge circuit |
| CN112144969B (en) * | 2019-06-28 | 2021-09-28 | 广州正峰电子科技有限公司 | Intelligent door lock device with charging function |
| CN112787370A (en) * | 2019-11-04 | 2021-05-11 | 苏州宝时得电动工具有限公司 | Power supply equipment and control method thereof |
| CN112886696A (en) * | 2019-11-30 | 2021-06-01 | 华为技术有限公司 | Standby power supply and control method thereof |
| CN112398212B (en) * | 2020-11-30 | 2023-01-31 | 南京四象新能源科技有限公司 | Standby power supply control method and device, energy storage system and storage medium |
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| DE2639506C2 (en) * | 1976-09-02 | 1986-10-23 | Robert Bosch Gmbh, 7000 Stuttgart | Method and charger for charging accumulators |
| JP2006050763A (en) * | 2004-08-04 | 2006-02-16 | Toshiba Corp | System for leveling electrical load |
| US7590472B2 (en) * | 2006-11-09 | 2009-09-15 | Gridpoint, Inc. | Energy arbitrage by load shifting |
| CN103178541B (en) * | 2011-12-26 | 2015-01-21 | 上海电科电器科技有限公司 | Control method of distributed grid-connected photovoltaic power generation devices and energy storage devices |
| CN102891517A (en) * | 2012-10-29 | 2013-01-23 | 上海富贯智能科技有限公司 | Energy storage type lithium battery pack power system |
| CN104102178A (en) * | 2013-04-09 | 2014-10-15 | 华北电力大学（保定） | Intelligent household microgrid system based on technology of internet of things |
| CN103840486B (en) * | 2014-03-07 | 2015-12-30 | 广东志成冠军集团有限公司 | A kind of control method of photovoltaic power supply system grid connection of accumulation energy type |
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