CN108248419A - Energy-storage battery charge-discharge system and method and relevant device - Google Patents
Energy-storage battery charge-discharge system and method and relevant device Download PDFInfo
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- CN108248419A CN108248419A CN201711366940.2A CN201711366940A CN108248419A CN 108248419 A CN108248419 A CN 108248419A CN 201711366940 A CN201711366940 A CN 201711366940A CN 108248419 A CN108248419 A CN 108248419A
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- 238000004146 energy storage Methods 0.000 title claims abstract description 151
- 238000000034 method Methods 0.000 title claims abstract description 51
- 239000013589 supplement Substances 0.000 claims abstract description 11
- 230000000295 complement effect Effects 0.000 claims description 60
- 238000012544 monitoring process Methods 0.000 claims description 37
- 238000007599 discharging Methods 0.000 claims description 36
- 238000009413 insulation Methods 0.000 claims description 32
- 238000001816 cooling Methods 0.000 claims description 21
- 101150063504 CAN2 gene Proteins 0.000 claims description 20
- 230000002159 abnormal effect Effects 0.000 claims description 16
- 101150008604 CAN1 gene Proteins 0.000 claims description 12
- 101100058989 Candida albicans (strain SC5314 / ATCC MYA-2876) CAN3 gene Proteins 0.000 claims description 12
- 238000010248 power generation Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000001514 detection method Methods 0.000 description 13
- 230000005611 electricity Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 235000013399 edible fruits Nutrition 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/50—Charging stations characterised by energy-storage or power-generation means
- B60L53/53—Batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/342—The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging
-
- 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
- H02J2207/40—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries adapted for charging from various sources, e.g. AC, DC or multivoltage
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The present invention relates to powerful device charging fields, and in particular to a kind of energy-storage battery charge-discharge system and method and relevant device, in order in the area that no charging pile or even unregulated power are supplied, realize the charging service to powerful devices such as electric vehicles.Energy-storage battery charge-discharge system proposed by the present invention, including：Master control borad, more set charge and discharge electronic systems.The present invention, as energy-storage battery, is energy-storage battery electric energy supplement using the natural energy generating equipment that system carries, is then discharged by energy-storage battery, charging service is carried out for charging equipment using the retired power battery pack of electric vehicle.It realizes in no charging pile, charging service is provided for powerful device even without the place of supply of electric power.In addition, charging voltage, electric current according to needed for charging equipment, select one or more power battery packs to provide electric energy output, ensure that and stablize quick charging service.
Description
Technical field
The present invention relates to powerful power conversion equipment fields, and in particular to a kind of energy-storage battery charge-discharge system and side
Method and relevant device.
Background technology
It is very universal to the charging pile of electric vehicle charging at present, but for relatively remote, without supply of electric power
Though or there are electric power but the place without charging pile, it is desirable to which charging just becomes extremely difficult immediately.
Therefore, the ladder battery for how making full use of electric vehicle retired, come as energy-storage battery for electric vehicle and its
He needs the powerful device to charge to provide stable charging service, is problem to be solved.
Invention content
In order to solve the above problem of the prior art, the present invention proposes a kind of energy-storage battery charge-discharge system and method
And relevant device, it realizes the place supplied in unregulated power or without charging pile and provides charging service to powerful device.
An aspect of of the present present invention proposes a kind of energy-storage battery charge-discharge system, including：Master control borad, one or more sets charge and discharges
Electronic system；
The master control borad, for the charge or discharge of the charge and discharge electronic system to be controlled to operate；
The charge and discharge electronic system, including：Energy-storage battery, complementary energy unit, discharge cell；
The energy-storage battery, for storing electric energy and externally output electric energy；
The complementary energy unit, including：Complementary energy plate and natural energy generating equipment；
The complementary energy plate, for controlling the natural energy generating equipment to energy storage electricity according to the instruction of the master control borad
Pond carries out electric energy supplement；
The discharge cell for the energy-storage battery being controlled to discharge according to the instruction of the master control borad, is waited to fill for outside
Electric equipment provides charging service.
Preferably, the energy-storage battery is battery pack；The discharge cell, including：Discharge electrode, DC/DC modules；
The discharge electrode, is configured to：According to the instruction of the master control borad, the battery pack and the DC/DC modules are controlled
Discharge operation is carried out, so as to charge for the charging equipment；
The DC/DC modules, are configured to：According to the instruction of the discharge electrode, the voltage of battery pack output is carried out
Transformation.
Preferably, the master control borad, the natural energy generating equipment, the battery pack, the DC/DC modules include
CAN interface；The complementary energy plate includes three CAN (Controller Area Network, control with the discharge electrode
Device local area network) bus interface：CAN1、CAN2、CAN3；
Wherein,
CAN1, CAN2, CAN3 interface of the complementary energy plate are sent out respectively with the CAN interface of the battery pack, the natural energy
The CAN interface of electric equipment, the master control borad CAN interface be connected；
CAN1, CAN2, CAN3 interface of the discharge electrode respectively with the CAN interface of the charging equipment, the DC/DC
The CAN interface of module, the master control borad CAN interface be connected；
When charging to the battery pack, the complementary energy plate is controlled to pass through BMS (BATTERY by the master control borad
MANAGEMENT SYSTEM, battery management system) obtain the current residual voltage of the battery pack, target voltage, needed for charging
Voltage, electric current, and notify the natural energy generating equipment；The natural energy generating equipment converts by adjusting its internal direct current
The output voltage of device, size of current charge to the battery pack；
When discharging the battery pack, the discharge electrode is controlled to obtain the charging equipment by the master control borad
The required voltage of battery types, remaining battery voltage, target voltage, charging, electric current；Electricity of the master control borad according to needed for charging
Pressure, electric current select a set of or a set of above charge and discharge electronic system, and notify the electric discharge in selected each charge and discharge electronic system
Plate notifies corresponding complementary energy plate by the contactor in BMS control battery packs, externally to discharge by every piece of discharge electrode；
It, will be selected if a set of above charge and discharge electronic system has been selected to charge same charging equipment during electric discharge
DC/DC modules output terminal in each charge and discharge electronic system is in parallel, while exports electric energy to the charging equipment.
Preferably, the complementary energy unit further includes spare complementary energy interface, when having external power for seasonable, using charging pile
Carry out the supplement of electric energy.
Preferably, the charge and discharge electronic system further includes：Cooling device；
The cooling device is adjusted the temperature of the battery pack for the instruction according to the master control borad.
Preferably, the cooling device is water cooling plant.
Preferably, the discharge cell further includes：Signal input device；The discharge electrode also has multiple DI (Digital
In, numeral input) interface, the DI interfaces connection signal input device；
The signal input device includes：Scram button；
The scram button, for receiving the instruction of emergent stopping electric discharge.
Preferably, the discharge cell further includes：Signal output apparatus；The discharge electrode also has multiple DO (Digital
Out, numeral output) interface, the DO interfaces connection signal output apparatus；
The signal output apparatus includes：D.C. contactor；
The discharge electrode controls touching for the D.C. contactor by the way that the control of the D.C. contactor is controlled to switch
Point closure/disconnection；
The contact of the D.C. contactor, for controlling the output terminal of the DC/DC modules and the charging equipment
The on/off of power line between input terminal.
Preferably, the complementary energy unit further includes：First exception monitoring module；The complementary energy plate also by CAN2 interfaces with
The first exception monitoring module is connected；
The first exception monitoring module for monitoring the abnormal conditions during complementary energy, and monitoring result is sent to
The complementary energy plate；
Abnormal conditions during the complementary energy include：
From the natural energy generating equipment output terminal to the battery pack input terminal, the insulation against ground on loop of power circuit
Impedance is less than preset ground insulation resistance threshold value；
Difference between the output end voltage of the natural energy generating equipment and the voltage of the battery pack, more than preset
Threshold pressure differential；
The internal temperature of the battery pack is more than preset temperature range；
The battery packet input interface temperature is more than preset temperature threshold.
Preferably, the discharge cell further includes：Second exception monitoring module；The discharge electrode also by CAN2 interfaces with
The second exception monitoring module is connected；
The second exception monitoring module for monitoring the abnormal conditions in discharge process, and testing result is sent to
The discharge electrode；
Abnormal conditions in the discharge process include：
From the battery pack output terminal to the input terminal of the charging equipment, the insulation against ground on loop of power circuit hinders
It is anti-to be less than preset ground insulation resistance threshold value；
Difference between the voltage of the battery pack and the input voltage of the DC/DC modules, more than preset pressure difference threshold
Value；
Difference between the output voltage of the DC/DC modules and the cell voltage of the charging equipment, more than default
Threshold pressure differential；
The internal temperature of the battery pack is more than preset temperature range；
The battery pack output interface temperature is more than preset temperature threshold.
Preferably, the discharge cell further includes：Ammeter；The discharge electrode also passes through RS485 interfaces and the ammeter phase
Even；
The ammeter, the electric energy that the battery pack exports outward when discharging for measuring.
Preferably, the charging equipment is electric vehicle, and the battery pack is power battery pack.
Preferably, the discharge electrode also has there are one CC (Connection Confirm, charging connection confirm) interface, should
Interface is connected with the CC interfaces of the electric vehicle, for detecting whether charging gun is inserted into the electric vehicle.
Preferably, the natural energy generating equipment, including：Steam-electric power plant, wind energy generating plant.
Another aspect of the present invention is proposed a kind of energy-storage battery charging/discharging thereof, is filled based on energy-storage battery recited above
Discharge system.
Preferably, the method to charge to the energy-storage battery includes：
Obtain the energy-storage battery current residual voltage and target voltage, charging needed for voltage and current；
According to the voltage and current needed for acquired charging, charge to the energy-storage battery；
In charging process, by preset first time interval, the current residue of the energy-storage battery is periodically obtained
Voltage when the residual voltage is greater than or equal to the target voltage of the energy-storage battery, stops charging.
Preferably, the method discharged the energy-storage battery includes：
Obtain the charging equipment battery types, current residual voltage and target voltage, charging needed for electricity
Pressure, electric current；
Voltage, electric current according to needed for acquired charging select one or more energy-storage batteries；
Using selected energy-storage battery electric energy is exported to the charging equipment；
In discharge process, by preset second time interval, current surplus of the charging equipment is periodically obtained
Remaining voltage when the residual voltage is greater than or equal to the target voltage of the charging equipment, stops electric discharge；
Wherein：
It is when having selected multiple energy-storage batteries, the output of multiple energy-storage batteries is in parallel through DC/DC backstages, while to described
Charging equipment exports electric energy.
Preferably, it during charge or discharge, further includes：
The temperature of the energy-storage battery is periodically detected, if the temperature exceeds preset temperature range, passes through control
Cooling device causes the temperature of the energy-storage battery to be within the scope of the default temperature；
The temperature of the energy-storage battery input interface or output interface is periodically detected, if the temperature exceeds preset temperature
Threshold value is spent, then stops charge or discharge.
Preferably, it during charge or discharge, further includes：
The ground insulation resistance on the power input circuit or power output circuit of the energy-storage battery is periodically detected,
If ground insulation resistance is less than preset ground insulation resistance threshold value, stop charge or discharge.
Preferably, it in charging process, further includes：
The voltage of the natural energy generating equipment output terminal and the voltage of the energy-storage battery are periodically obtained, and is calculated
Pressure difference；If it is more than preset threshold pressure differential to press absolute value of the difference, stop charging.
Preferably, it in discharge process, further includes：
The voltage of the energy-storage battery and the voltage of DC/DC module inputs are periodically obtained, and calculates pressure difference；If pressure
Absolute value of the difference is more than preset threshold pressure differential, then stops discharging；
The cell voltage on the voltage and the charging equipment of the DC/DC modules output terminal is periodically obtained, and
Calculate pressure difference；If it is more than preset threshold pressure differential to press absolute value of the difference, stop discharging；
Wherein, the DC/DC modules need for the output voltage of the energy-storage battery to be transformed to the charging equipment
The charging voltage wanted.
Preferably, it in discharge process, further includes：
Whether detection scram button is activated, if then stopping discharging.
Preferably, it in discharge process, further includes：
The electric energy exported using ammeter to energy-storage battery is measured.
Preferably, the charging equipment is electric vehicle.
Preferably, it in discharge process, further includes：
According to the electric vehicle current residual voltage, the size of the energy-storage battery output voltage and electric current is adjusted.
Preferably, in the method discharged the energy-storage battery, " the battery class of the charging equipment is being obtained
Before voltage, electric current needed for type, current residual voltage and target voltage, charging ", further include：
By detecting the CC interface output voltages of the electric vehicle, judge whether charging gun is inserted into, if testing result is
Be inserted into, then perform " obtain the charging equipment battery types, current residual voltage and target voltage, charging needed for
The step of voltage, electric current ".
The third aspect of the present invention proposes a kind of storage device, wherein having program stored therein；Described program is suitable for by processor
It loads and performs, to realize energy-storage battery charging/discharging thereof recited above.
The fourth aspect of the present invention proposes a kind of processing equipment, including：Processor, storage device；
Wherein, the processor, is adapted for carrying out program；The storage device, suitable for storing the program；Described program is suitable for
It is loaded by processor and is performed to realize energy-storage battery charging/discharging thereof recited above.
Beneficial effects of the present invention：
The present invention using the retired power battery pack of electric vehicle as energy-storage battery, using steam-electric power plant,
The natural energies such as wind energy generating plant generating equipment is energy-storage battery electric energy supplement, is then discharged by energy-storage battery, is to be charged
Equipment carries out charging service.It realizes in no charging pile, provides and fill for powerful device even without the place of supply of electric power
Electricity service.Furthermore, it is contemplated that the electric energy of battery pack may be insufficient to be provided quickly for charging equipment in some cases
Charging service, charging voltage of the present invention according to needed for charging equipment, electric current select one or more power battery packs to provide
Electric energy exports, and ensure that and stablizes quick charging service.
Scheme 1, a kind of energy-storage battery charge-discharge system, which is characterized in that including：Master control borad, one or more sets charge and discharge
Subsystem；
The master control borad, for the charge or discharge of the charge and discharge electronic system to be controlled to operate；
The charge and discharge electronic system, including：Energy-storage battery, complementary energy unit, discharge cell；
The energy-storage battery, for storing electric energy and externally output electric energy；
The complementary energy unit, including：Complementary energy plate and natural energy generating equipment；
The complementary energy plate, for controlling the natural energy generating equipment to energy storage electricity according to the instruction of the master control borad
Pond carries out electric energy supplement；
The discharge cell for the energy-storage battery being controlled to discharge according to the instruction of the master control borad, is waited to fill for outside
Electric equipment provides charging service.
Scheme 2, the energy-storage battery charge-discharge system according to scheme 1, which is characterized in that
The energy-storage battery is battery pack；
The discharge cell, including：Discharge electrode, DC/DC modules；
The discharge electrode, is configured to：According to the instruction of the master control borad, the battery pack and the DC/DC modules are controlled
Discharge operation is carried out, so as to charge for the charging equipment；
The DC/DC modules, are configured to：According to the instruction of the discharge electrode, the voltage of battery pack output is carried out
Transformation.
Scheme 3, the energy-storage battery charge-discharge system according to scheme 2, which is characterized in that the natural energy power generation is set
Standby, described master control borad, the battery pack, the DC/DC modules include CAN interface；The complementary energy plate and the electric discharge
Plate includes three CAN interfaces：CAN1、CAN2、CAN3；
Wherein,
CAN1, CAN2, CAN3 interface of the complementary energy plate are sent out respectively with the CAN interface of the battery pack, the natural energy
The CAN interface of electric equipment, the master control borad CAN interface be connected；
CAN1, CAN2, CAN3 interface of the discharge electrode respectively with the CAN interface of the charging equipment, the DC/DC
The CAN interface of module, the master control borad CAN interface be connected；
When charging to the battery pack, the complementary energy plate is controlled to obtain the battery by BMS by the master control borad
Current residual voltage, target voltage, the voltage needed for charging, electric current are wrapped, and notifies the natural energy generating equipment；It is described from
So can output voltage of the generating equipment by adjusting its internal direct current converter, size of current, charge to the battery pack；
When discharging the battery pack, the discharge electrode is controlled to obtain the charging equipment by the master control borad
The required voltage of battery types, remaining battery voltage, target voltage, charging, electric current；Electricity of the master control borad according to needed for charging
Pressure, electric current select a set of or a set of above charge and discharge electronic system, and notify the electric discharge in selected each charge and discharge electronic system
Plate notifies corresponding complementary energy plate by the contactor in BMS control battery packs, externally to discharge by every piece of discharge electrode；
It, will be selected if a set of above charge and discharge electronic system has been selected to charge same charging equipment during electric discharge
DC/DC modules output terminal in each charge and discharge electronic system is in parallel, while exports electric energy to the charging equipment.
Scheme 4, the energy-storage battery charge-discharge system according to scheme 3, which is characterized in that the complementary energy unit further includes
When having external power for seasonable, the supplement of electric energy is carried out using charging pile for spare complementary energy interface.
Scheme 5, the energy-storage battery charge-discharge system according to scheme 4, which is characterized in that the charge and discharge electronic system is also
Including：Cooling device；
The cooling device is adjusted the temperature of the battery pack for the instruction according to the master control borad.
Scheme 6, the energy-storage battery charge-discharge system according to scheme 5, which is characterized in that the cooling device is water cooling
Device.
Scheme 7, the energy-storage battery charge-discharge system according to scheme 5, which is characterized in that the discharge cell also wraps
It includes：Signal input device；The discharge electrode also has multiple DI interfaces, and the DI interfaces connect the signal input device；
The signal input device includes：Scram button；
The scram button, for receiving the instruction of emergent stopping electric discharge.
Scheme 8, the energy-storage battery charge-discharge system according to scheme 7, which is characterized in that the discharge cell also wraps
It includes：Signal output apparatus；The discharge electrode also has multiple DO interfaces, and the DO interfaces connect the signal output apparatus；
The signal output apparatus includes：D.C. contactor；
The discharge electrode controls touching for the D.C. contactor by the way that the control of the D.C. contactor is controlled to switch
Point closure/disconnection；
The contact of the D.C. contactor, for controlling the output terminal of the DC/DC modules and the charging equipment
The on/off of power line between input terminal.
Scheme 9, the energy-storage battery charge-discharge system according to scheme 8, which is characterized in that the complementary energy unit also wraps
It includes：First exception monitoring module；The complementary energy plate is also connected by CAN2 interfaces with the first exception monitoring module；
The first exception monitoring module for monitoring the abnormal conditions during complementary energy, and monitoring result is sent to
The complementary energy plate；
Abnormal conditions during the complementary energy include：
From the natural energy generating equipment output terminal to the battery pack input terminal, the insulation against ground on loop of power circuit
Impedance is less than preset ground insulation resistance threshold value；
Difference between the output end voltage of the natural energy generating equipment and the voltage of the battery pack, more than preset
Threshold pressure differential；
The internal temperature of the battery pack is more than preset temperature range；
The battery packet input interface temperature is more than preset temperature threshold.
Scheme 10, the energy-storage battery charge-discharge system according to scheme 9, which is characterized in that the discharge cell also wraps
It includes：Second exception monitoring module；The discharge electrode is also connected by CAN2 interfaces with the second exception monitoring module；
The second exception monitoring module for monitoring the abnormal conditions in discharge process, and monitoring result is sent to
The discharge electrode；
Abnormal conditions in the discharge process include：
From the battery pack output terminal to the input terminal of the charging equipment, the insulation against ground on loop of power circuit hinders
It is anti-to be less than preset ground insulation resistance threshold value；
Difference between the voltage of the battery pack and the input voltage of the DC/DC modules, more than preset pressure difference threshold
Value；
Difference between the output voltage of the DC/DC modules and the cell voltage of the charging equipment, more than default
Threshold pressure differential；
The internal temperature of the battery pack is more than preset temperature range；
The battery pack output interface temperature is more than preset temperature threshold.
Scheme 11, the energy-storage battery charge-discharge system according to scheme 10, which is characterized in that the discharge cell also wraps
It includes：Ammeter；The discharge electrode is also connected by RS485 interfaces with the ammeter；
The ammeter, the electric energy that the battery pack exports outward when discharging for measuring.
Scheme 12, the energy-storage battery charge-discharge system according to any one of scheme 2-11, which is characterized in that described to treat
Charging equipment is electric vehicle, and the battery pack is power battery pack.
Scheme 13, the energy-storage battery charge-discharge system according to scheme 12, which is characterized in that the discharge electrode also has
One CC interface, the interface are connected with the CC interfaces of the electric vehicle, for detecting whether charging gun is inserted into the electronic vapour
Vehicle.
Scheme 14, the energy-storage battery charge-discharge system according to scheme 13, which is characterized in that the natural energy power generation is set
It is standby, including：Steam-electric power plant, wind energy generating plant.
Scheme 15, a kind of energy-storage battery charging/discharging thereof, which is characterized in that based on the storage described in any one of scheme 1-14
It can battery charging and discharging system.
Scheme 16, the energy-storage battery charging/discharging thereof according to scheme 15, which is characterized in that the energy-storage battery into
The method of row charging includes：
Obtain the energy-storage battery current residual voltage and target voltage, charging needed for voltage and current；
According to the voltage and current needed for acquired charging, charge to the energy-storage battery；
In charging process, by preset first time interval, the current residue of the energy-storage battery is periodically obtained
Voltage when the residual voltage is greater than or equal to the target voltage of the energy-storage battery, stops charging.
Scheme 17, the energy-storage battery charging/discharging thereof according to scheme 16, which is characterized in that the energy-storage battery into
The method of row electric discharge includes：
Obtain the charging equipment battery types, current residual voltage and target voltage, charging needed for electricity
Pressure, electric current；
Voltage, electric current according to needed for acquired charging select one or more energy-storage batteries；
Using selected energy-storage battery electric energy is exported to the charging equipment；
In discharge process, by preset second time interval, current surplus of the charging equipment is periodically obtained
Remaining voltage when the residual voltage is greater than or equal to the target voltage of the charging equipment, stops electric discharge；
Wherein,
It is when having selected multiple energy-storage batteries, the output of multiple energy-storage batteries is in parallel through DC/DC backstages, while to described
Charging equipment exports electric energy.
Scheme 18, the energy-storage battery charging/discharging thereof according to scheme 17, which is characterized in that charge or discharge process
In, it further includes：
The temperature of the energy-storage battery is periodically detected, if the temperature exceeds preset temperature range, passes through control
Cooling device causes the temperature of the energy-storage battery to be within the scope of the default temperature；
The temperature of the energy-storage battery input interface or output interface is periodically detected, if the temperature exceeds preset temperature
Threshold value is spent, then stops charge or discharge.
Scheme 19, the energy-storage battery charging/discharging thereof according to scheme 18, which is characterized in that charge or discharge process
In, it further includes：
The ground insulation resistance on the power input circuit or power output circuit of the energy-storage battery is periodically detected,
If ground insulation resistance is less than preset ground insulation resistance threshold value, stop charge or discharge.
Scheme 20, the energy-storage battery charging/discharging thereof according to scheme 19, which is characterized in that in charging process, also wrap
It includes：
The voltage of the natural energy generating equipment output terminal and the voltage of the energy-storage battery are periodically obtained, and is calculated
Pressure difference；If it is more than preset threshold pressure differential to press absolute value of the difference, stop charging.
Scheme 21, the energy-storage battery charging/discharging thereof according to scheme 20, which is characterized in that in discharge process, also wrap
It includes：
The voltage of the energy-storage battery and the voltage of DC/DC module inputs are periodically obtained, and calculates pressure difference；If pressure
Absolute value of the difference is more than preset threshold pressure differential, then stops discharging；
The cell voltage on the voltage and the charging equipment of the DC/DC modules output terminal is periodically obtained, and
Calculate pressure difference；If it is more than preset threshold pressure differential to press absolute value of the difference, stop discharging；
Wherein, the DC/DC modules need for the output voltage of the energy-storage battery to be transformed to the charging equipment
The charging voltage wanted.
Scheme 22, the energy-storage battery charging/discharging thereof according to scheme 21, which is characterized in that in discharge process, also wrap
It includes：
Whether detection scram button is activated, if then stopping discharging.
Scheme 23, the energy-storage battery charging/discharging thereof according to scheme 22, which is characterized in that in discharge process, also wrap
It includes：
The electric energy exported using ammeter to energy-storage battery is measured.
Scheme 24, the energy-storage battery charging/discharging thereof according to any one of scheme 15-23, which is characterized in that described
Charging equipment is electric vehicle.
Scheme 25, the energy-storage battery charging/discharging thereof according to scheme 24, which is characterized in that in discharge process, also wrap
It includes：
According to the electric vehicle current residual voltage, the size of the energy-storage battery output voltage and electric current is adjusted.
Scheme 26, the energy-storage battery charging/discharging thereof according to scheme 25, which is characterized in that the energy-storage battery into
In the method for row electric discharge, " battery types, current residual voltage and target voltage, charging of the charging equipment are being obtained
Before required voltage, electric current ", further include：
By detecting the CC interface output voltages of the electric vehicle, judge whether charging gun is inserted into, if testing result is
Be inserted into, then perform " obtain the charging equipment battery types, current residual voltage and target voltage, charging needed for
The step of voltage, electric current ".
Scheme 27, a kind of storage device, wherein having program stored therein, which is characterized in that described program is suitable for being added by processor
It carries and performs, with the energy-storage battery charging/discharging thereof described in any one of implementation 15-26.
Scheme 28, a kind of processing equipment, including
Processor is adapted for carrying out program；And
Storage device, suitable for storing the program；
It is characterized in that, described program is suitable for being loaded by processor and performed to realize：
Energy-storage battery charging/discharging thereof described in any one of scheme 15-26.
Description of the drawings
Fig. 1 is that the energy-storage battery charge-discharge system of the embodiment of the present invention forms schematic diagram；
Fig. 2 is that the charge and discharge electronic system of the embodiment of the present invention forms schematic diagram；
Fig. 3 is two charge and discharge electronic system Parallel opertation schematic diagrames of the embodiment of the present invention；
Fig. 4 is the energy-storage battery charging method flow diagram of the embodiment of the present invention；
Fig. 5 is the energy-storage battery charging method flow diagram of the embodiment of the present invention.
Specific embodiment
The preferred embodiment of the present invention described with reference to the accompanying drawings.It will be apparent to a skilled person that this
A little embodiments are used only for explaining the technical principle of the present invention, it is not intended that limit the scope of the invention.
Energy-storage battery charge-discharge system proposed by the present invention, charging voltage, electric current according to needed for charging equipment, selection
One or more power battery packs provide electric energy output, ensure that and stablize quick charging service.In addition, the present invention is using electronic
The retired power battery pack of automobile, for the place of no supply of electric power, can utilize what this system carried as energy-storage battery
The natural energies such as steam-electric power plant, wind energy generating plant generating equipment is energy-storage battery electric energy supplement, then passes through energy storage electricity
Tank discharge carries out charging service for charging equipment.
Steam-electric power plant is to convert the solar into electric energy using photovoltaic element；Wind energy generating plant is to turn wind energy
It is changed to electric energy.All include DC converter in the inside of these natural energy generating equipments, for by natural energy generating equipment
Output voltage, electric current are adjusted to the required voltage of energy-storage battery charging, size of current.
A kind of embodiment of energy-storage battery charge-discharge system of the present invention, as shown in Figure 1, including：Master control borad 10, Yi Taohuo
More set charge and discharge electronic systems 20.
Master control borad 10, for the charge or discharge of charge and discharge electronic system 20 to be controlled to operate；
Fig. 2 is that every set charge and discharge electronic system is formed and its connection relationship diagram between master control borad, charging equipment, such as
Shown in Fig. 2：
The charge and discharge electronic system 20, including：Energy-storage battery (being battery pack in the present embodiment) 21, is put complementary energy unit 22
Electric unit 23 and cooling device 24.
Complementary energy unit 22, including：Complementary energy plate 221,222 and first abnormality detection module 223 of natural energy generating equipment；Its
In, again comprising DC converter 2221 in natural energy generating equipment 222.
The discharge cell 23, including：Discharge electrode 231, DC/DC modules 232, D.C. contactor 233, the second abnormality detection
Module 234, scram button 235 and ammeter 236.
Battery pack 21, for storing electric energy and externally output electric energy；
Complementary energy plate 221, for natural energy generating equipment 222 being controlled to carry out electricity to battery pack 21 according to the instruction of master control borad 10
It can supplement；
Discharge cell 23 is external charging equipment 30 for battery pack 21 being controlled to discharge according to the instruction of master control borad 10
Charging service is provided.
In the present embodiment, discharge electrode 231 is configured to：According to the instruction of master control borad 10, battery pack 21 and DC/DC modules are controlled
232 carry out discharge operation, so as to charge for charging equipment 30；
DC/DC modules 232, are configured to：According to the instruction of discharge electrode 231, the voltage exported to battery pack 21 converts,
To meet the charging voltage of charging equipment 30, current requirements.
In the present embodiment, master control borad 10, natural energy generating equipment 222, battery pack 21, DC/DC modules 232 include CAN
Bus interface；Complementary energy plate 221 includes three CAN interfaces with discharge electrode 231：CAN1、CAN2、CAN3；
Wherein：
CAN1, CAN2, CAN3 interface of complementary energy plate 221 respectively with the CAN interface of battery pack 21, natural energy generating equipment
222 CAN interface, the CAN interface of master control borad 10 are connected；
CAN1, CAN2, CAN3 interface of discharge electrode 231 respectively with the CAN interface of charging equipment 30, DC/DC modules 232
CAN interface, master control borad 10 CAN interface be connected；
When carrying out charging operations to battery pack 21, master control borad 10 controls complementary energy plate 221 to obtain battery pack 21 currently by BMS
Residual voltage, target voltage, the voltage needed for charging, electric current, and notify natural energy generating equipment 222；Natural energy power generation is set
Standby 222 output voltages by adjusting its internal direct current converter 2221, size of current, charge to battery pack 21；
When carrying out discharge operation to battery pack 21, discharge electrode 231 is controlled to obtain the electricity of charging equipment 30 by master control borad 10
The required voltage of pond type, remaining battery voltage, target voltage, charging, electric current；The voltage required according to charging of master control borad 10,
Electric current selects a set of or a set of above charge and discharge electronic system 20, and notifies the electric discharge in selected each charge and discharge electronic system 20
Plate 231, then by every piece of discharge electrode 231 notify corresponding complementary energy plate 221 by BMS control battery pack 21 in contactor, externally
Electric discharge；
During electric discharge, if a set of above charge and discharge electronic system 20 has been selected to charge same charging equipment 30, by institute
The output terminal of DC/DC modules 232 in each charge and discharge electronic system of choosing is in parallel, while exports electric energy to charging equipment 30.
In the present embodiment, complementary energy unit 22 further includes spare complementary energy interface, when having external power for seasonable, using charging
Stake carries out the supplement of electric energy.Alternating current from external electrical network is converted to direct current by charging pile.
In the present embodiment, cooling device 24 be used for according to the instruction of master control borad in charge and discharge process to the temperature of battery pack
It is adjusted.Water cooling plant may be used in cooling device, can also use air cooling equipment or oil cooling device etc..
Discharge electrode 231 also has multiple DI interfaces, for connecting scram button 235 or safety door switch (being not drawn into figure)
Wait signal input devices；In charging process, there is scram button in natural energy generating equipment 222, it will in discharge process
Scram button 235 is used, so that scram button 235 can be pressed rapidly when emergency occurs, stops electric discharge.
Discharge electrode 231 also has multiple DO interfaces, for connecting 233 grade signal output apparatus of D.C. contactor；Discharge electrode
231 by controlling the control of D.C. contactor 233 to switch, and then controls contact closure/disconnection of D.C. contactor 233.Direct current
The contact of contactor 233 is used to control power line between the output terminal of DC/DC modules 232 and the input terminal of charging equipment 30
On/off.
Complementary energy plate 221 is also connected by CAN2 interfaces with the first exception monitoring module 223；First exception monitoring module 223
For monitoring the abnormal conditions during complementary energy, and monitoring result is sent to complementary energy plate 221；Abnormal conditions during complementary energy
Including：
(1) from 222 output terminal of natural energy generating equipment to 21 input terminal of battery pack, the insulation against ground on loop of power circuit
Impedance is less than preset ground insulation resistance threshold value；
(2) difference between the output end voltage of natural energy generating equipment 222 and the voltage of battery pack 21, more than preset
Threshold pressure differential；
(3) internal temperature of battery pack 21 is more than preset temperature range；
(4) 21 input interface temperature of battery pack is more than preset temperature threshold.
Discharge electrode 231 is also connected by CAN2 interfaces with the second exception monitoring module 234；Second exception monitoring module 234
For monitoring the abnormal conditions in discharge process, and monitoring result is sent to discharge electrode 231；Abnormal conditions in discharge process
Including：
(1) from 21 output terminal of battery pack to the input terminal of charging equipment 30, the insulation against ground on loop of power circuit hinders
It is anti-to be less than preset ground insulation resistance threshold value；
(2) difference between the voltage of battery pack 21 and the input voltage of DC/DC modules 232, more than preset pressure difference threshold
Value；
(3) difference between the cell voltage of the output voltage of DC/DC modules 232 and charging equipment 30, more than default
Threshold pressure differential；
(4) internal temperature of battery pack 21 is more than preset temperature range；
(5) 21 output interface temperature of battery pack is more than preset temperature threshold.
In addition, discharge electrode 231 is also connected by RS485 interfaces with ammeter 236, battery pack 21 is outside when discharging for measuring
The electric energy of output collects corresponding charging service expense to facilitate.
In the present embodiment, charging equipment 30 is electric vehicle, and battery pack 21 is power battery pack.Discharge electrode 231 also has
There are one CC interfaces, which is connected with the CC interfaces of electric vehicle, for detecting whether charging gun is inserted into electric vehicle.
Embodiment as shown in Figure 3,1# charge and discharges electronic system 20 and 2# charge and discharges electronic system 20 can also lead in output terminal
It crosses switch K and is together in parallel and provide charging service for same charging equipment 30.For simplicity complementary energy list is omitted in figure
The equipment such as member, cooling device.Switch K can be manual control or be controlled by master control borad 10, can also be by 1# or 2#
Discharge electrode 231 in charge and discharge electronic system controls.
The embodiment of a kind of energy-storage battery charging/discharging thereof of the present invention, based on energy-storage battery charge and discharge system recited above
System.
First, the method to charge to energy-storage battery：
In the present embodiment, as shown in figure 4, including to the method that energy-storage battery charges：
Step A100, obtain energy-storage battery current residual voltage and target voltage, charging needed for voltage and electricity
Stream；
Step A200 according to the voltage and current needed for acquired charging, charges to energy-storage battery；
Step A300 by preset first time interval, periodically obtains the current residual voltage of energy-storage battery；
Step A400, judges whether the residual voltage is greater than or equal to the target voltage of energy-storage battery, if so, going to step
Rapid A500；Otherwise, step A300 is gone to；
Step A500 stops charging.
In the present embodiment, following safety detection step can also be included in charging process：
(1) the step of detecting temperature：
The temperature of energy-storage battery is periodically detected, if the temperature exceeds preset temperature range, is cooled down by controlling
Device causes the temperature of energy-storage battery to be within the scope of default temperature；
The temperature of energy-storage battery input interface is periodically detected, if the temperature exceeds preset temperature threshold, in order to keep away
It is further up so as to burning apparatus to exempt from temperature, stops charging immediately.
(2) the step of detecting insulation performance：
The ground insulation resistance on the power input circuit of energy-storage battery is periodically detected, if ground insulation resistance is less than
Preset ground insulation resistance threshold value illustrates that there are Insulation Problems, stops charging immediately.
(3) the whether excessive step of detection contact resistance：
The voltage of natural energy generating equipment output terminal and the voltage of energy-storage battery are periodically obtained, and calculates pressure difference；If
It is more than preset threshold pressure differential to press absolute value of the difference, then illustrates that contact resistance is excessive, stops charging immediately.
It should be noted that the detection cycle in above-mentioned (1)-(3) can be the same or different；(1)-(3) the step of
Whole execution can be selected, one of those or 2 or 3 execution can also be selected；And the sequence between this 3 steps can
Arbitrarily to exchange；
Further, this 3 steps can be placed on before any one step after step A200.
2nd, the method discharged energy-storage battery：
In the present embodiment, as shown in figure 5, including to the method that energy-storage battery discharges：
Step B100 is obtained needed for the battery types, current residual voltage and target voltage, charging of charging equipment
Voltage, electric current；
Step B200, voltage, electric current according to needed for acquired charging select one or more energy-storage batteries；
Step B300 exports electric energy using selected energy-storage battery to charging equipment；
Step B400 by preset second time interval, periodically obtains the current residual voltage of charging equipment；
Step B500, judges whether the residual voltage is greater than or equal to the target voltage of charging equipment, if so, going to
Step B600；Otherwise, step B400 is gone to；
Step B600 stops electric discharge.
Wherein：
It is when having selected multiple energy-storage batteries, the output of multiple energy-storage batteries is in parallel through DC/DC backstages, while to described
Charging equipment exports electric energy.
In the present embodiment, following safety detection step can also be included in discharge process：
(1) the step of detecting temperature：
The temperature of energy-storage battery is periodically detected, if the temperature exceeds preset temperature range, is cooled down by controlling
Device causes the temperature of energy-storage battery to be within the scope of default temperature；
The temperature of energy-storage battery output interface is periodically detected, if the temperature exceeds preset temperature threshold, in order to
Burning apparatus is avoided to stop electric discharge.
(2) the step of detecting insulation performance：
The ground insulation resistance on the power output circuit of energy-storage battery is periodically detected, if ground insulation resistance is less than
Preset ground insulation resistance threshold value illustrates that there are Insulation Problems, stops electric discharge immediately.
(3) the whether excessive step of detection contact resistance：
The voltage of energy-storage battery and the voltage of DC/DC module inputs are periodically obtained, and calculates pressure difference；If pressure difference
Absolute value is more than preset threshold pressure differential, then stops discharging；
The cell voltage on the voltage and charging equipment of the DC/DC modules output terminal is periodically obtained, and is calculated
Pressure difference；If it is more than preset threshold pressure differential to press absolute value of the difference, stop discharging.Wherein, DC/DC modules are used for energy-storage battery
Output voltage transform to charging equipment needs charging voltage.
(4) the step of detecting scram button：
Whether detection scram button is activated, if then stopping discharging.In order to respond rapidly to stop command, emergency stop can be pressed
Button enters information as interrupt signal to handle, and can also set minimum detection cycle.
In the present embodiment, the step of charging for convenience, electrical energy measurement further included in discharge process：
(5) electric energy exported using ammeter to energy-storage battery is measured.
Further, charging equipment is electric vehicle, is further included in discharge process：
(6) according to electric vehicle current residual voltage, the size of energy-storage battery output voltage and electric current is adjusted in real time.
It should be noted that above-mentioned 6 steps can select whole execution, one or more can also be selected to hold
Row, and the sequence between this 6 steps can be exchanged arbitrarily；(1) detection cycle in-(3) can be identical, can not also
Together.
Further, this 6 steps can be placed on before any one step after step B300.
In the present embodiment, in the method discharged energy-storage battery, before step B100, further include：
Step B010 by detecting the CC interface output voltages of electric vehicle, judges whether charging gun is inserted into, if detection knot
The step of fruit is is inserted into, then performs step B100.
A kind of embodiment of storage device of the present invention has program stored therein in the storage device；The program is suitable for by handling
Device is loaded and is performed, to realize energy-storage battery charging/discharging thereof recited above.
A kind of embodiment of processing equipment of the present invention, including：Processor, storage device；
Wherein, processor is adapted for carrying out program；Storage device is suitable for storing the program；The program is suitable for being loaded by processor
And it performs to realize energy-storage battery charging/discharging thereof recited above.
Those skilled in the art should be able to recognize that, each exemplary side described with reference to the embodiments described herein
Method step can realize with the combination of electronic hardware, computer software or the two, in order to clearly demonstrate electronic hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is performed actually with electronic hardware or software mode, specific application and design constraint depending on technical solution.
Those skilled in the art can realize described function to each specific application using distinct methods, but this reality
Now it is not considered that beyond the scope of this invention.
So far, it has been combined preferred embodiment shown in the drawings and describes technical scheme of the present invention, still, this field
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific embodiments.Without departing from this
Under the premise of the principle of invention, those skilled in the art can make the relevant technologies feature equivalent change or replacement, these
Technical solution after changing or replacing it is fallen within protection scope of the present invention.
Claims (10)
1. a kind of energy-storage battery charge-discharge system, which is characterized in that including：Master control borad, one or more sets charge and discharge electronic systems；
The master control borad, for the charge or discharge of the charge and discharge electronic system to be controlled to operate；
The charge and discharge electronic system, including：Energy-storage battery, complementary energy unit, discharge cell；
The energy-storage battery, for storing electric energy and externally output electric energy；
The complementary energy unit, including：Complementary energy plate and natural energy generating equipment；
The complementary energy plate, for according to the instruction of the master control borad control the natural energy generating equipment to the energy-storage battery into
Row electric energy supplements；
The discharge cell, for the energy-storage battery being controlled to discharge according to the instruction of the master control borad, being that outside is to be charged sets
It is standby that charging service is provided.
2. energy-storage battery charge-discharge system according to claim 1, which is characterized in that
The energy-storage battery is battery pack；
The discharge cell, including：Discharge electrode, DC/DC modules；
The discharge electrode, is configured to：According to the instruction of the master control borad, the battery pack and the DC/DC modules is controlled to carry out
Discharge operation, so as to charge for the charging equipment；
The DC/DC modules, are configured to：According to the instruction of the discharge electrode, the voltage of battery pack output is converted.
3. energy-storage battery charge-discharge system according to claim 2, which is characterized in that the natural energy generating equipment, institute
It states master control borad, the battery pack, the DC/DC modules and includes CAN interface；The complementary energy plate is wrapped with the discharge electrode
Include three CAN interfaces：CAN1、CAN2、CAN3；
Wherein,
CAN1, CAN2, CAN3 interface of the complementary energy plate are set respectively with the CAN interface of the battery pack, natural energy power generation
Standby CAN interface, the CAN interface of the master control borad are connected；
CAN1, CAN2, CAN3 interface of the discharge electrode respectively with the CAN interface of the charging equipment, the DC/DC modules
CAN interface, the master control borad CAN interface be connected；
When charging to the battery pack, the complementary energy plate is controlled to obtain the battery pack by BMS by the master control borad and worked as
Preceding residual voltage, target voltage, the voltage needed for charging, electric current, and notify the natural energy generating equipment；The natural energy
Output voltage of the generating equipment by adjusting its internal direct current converter, size of current, charge to the battery pack；
When discharging the battery pack, the battery of the discharge electrode acquisition charging equipment is controlled by the master control borad
The required voltage of type, remaining battery voltage, target voltage, charging, electric current；The master control borad voltage required according to charging,
Electric current selects a set of or a set of above charge and discharge electronic system, and notifies the discharge electrode in selected each charge and discharge electronic system, by
Every piece of discharge electrode notifies corresponding complementary energy plate to control the contactor in battery pack by BMS, externally discharges；
During electric discharge, if a set of above charge and discharge electronic system has been selected to charge same charging equipment, selected is respectively filled
DC/DC modules output terminal in electric discharge subsystem is in parallel, while exports electric energy to the charging equipment.
4. energy-storage battery charge-discharge system according to claim 3, which is characterized in that the complementary energy unit further includes spare
Complementary energy interface, when having external power for seasonable, the supplement of electric energy is carried out using charging pile.
5. energy-storage battery charge-discharge system according to claim 4, which is characterized in that the charge and discharge electronic system is also wrapped
It includes：Cooling device；
The cooling device is adjusted the temperature of the battery pack for the instruction according to the master control borad.
6. energy-storage battery charge-discharge system according to claim 5, which is characterized in that the cooling device is filled for water cooling
It puts.
7. energy-storage battery charge-discharge system according to claim 5, which is characterized in that the discharge cell further includes：Letter
Number input equipment；The discharge electrode also has multiple DI interfaces, and the DI interfaces connect the signal input device；
The signal input device includes：Scram button；
The scram button, for receiving the instruction of emergent stopping electric discharge.
8. energy-storage battery charge-discharge system according to claim 7, which is characterized in that the discharge cell further includes：Letter
Number output equipment；The discharge electrode also has multiple DO interfaces, and the DO interfaces connect the signal output apparatus；
The signal output apparatus includes：D.C. contactor；
The discharge electrode controls the contact of the D.C. contactor to close by the way that the control of the D.C. contactor is controlled to switch
Conjunction/disconnection；
The contact of the D.C. contactor, for controlling the input of the output terminal of the DC/DC modules and the charging equipment
The on/off of power line between end.
9. energy-storage battery charge-discharge system according to claim 8, which is characterized in that the complementary energy unit further includes：The
One exception monitoring module；The complementary energy plate is also connected by CAN2 interfaces with the first exception monitoring module；
The first exception monitoring module for monitoring the abnormal conditions during complementary energy, and monitoring result is sent to described
Complementary energy plate；
Abnormal conditions during the complementary energy include：
From the natural energy generating equipment output terminal to the battery pack input terminal, the ground insulation resistance on loop of power circuit
Less than preset ground insulation resistance threshold value；
Difference between the output end voltage of the natural energy generating equipment and the voltage of the battery pack, more than preset pressure difference
Threshold value；
The internal temperature of the battery pack is more than preset temperature range；
The battery packet input interface temperature is more than preset temperature threshold.
10. energy-storage battery charge-discharge system according to claim 9, which is characterized in that the discharge cell further includes：The
Two exception monitoring modules；The discharge electrode is also connected by CAN2 interfaces with the second exception monitoring module；
The second exception monitoring module for monitoring the abnormal conditions in discharge process, and monitoring result is sent to described
Discharge electrode；
Abnormal conditions in the discharge process include：
From the battery pack output terminal to the input terminal of the charging equipment, the ground insulation resistance on loop of power circuit is low
In preset ground insulation resistance threshold value；
Difference between the voltage of the battery pack and the input voltage of the DC/DC modules, more than preset threshold pressure differential；
Difference between the output voltage of the DC/DC modules and the cell voltage of the charging equipment, more than preset pressure
Poor threshold value；
The internal temperature of the battery pack is more than preset temperature range；
The battery pack output interface temperature is more than preset temperature threshold.
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