CN113013991B - Online intelligent management system for storage battery - Google Patents
Online intelligent management system for storage battery Download PDFInfo
- Publication number
- CN113013991B CN113013991B CN202110327652.6A CN202110327652A CN113013991B CN 113013991 B CN113013991 B CN 113013991B CN 202110327652 A CN202110327652 A CN 202110327652A CN 113013991 B CN113013991 B CN 113013991B
- Authority
- CN
- China
- Prior art keywords
- storage battery
- direct current
- battery pack
- discharging
- charging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00016—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus
-
- 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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
-
- 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
- H02J7/0069—Charging or discharging for charge maintenance, battery initiation or rejuvenation
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
-
- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/14—Energy storage units
-
- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The embodiment of the invention discloses an online intelligent storage battery management system which can liberate manual work for discharging and checking capacitors on site regularly and automatically finishing the capacitors regularly; the storage battery completes the electricity entering and the capacitance checking without being separated from the bus, thereby reducing the potential safety hazard of misoperation and remotely completing the capacitance checking; discharge energy is recovered, so that the method is green and environment-friendly and saves energy; the timeliness and comprehensiveness of the performance monitoring of the storage battery are enhanced, and the potential safety hazard of equipment operation failure is eliminated in time; the intelligent promotion is high, and possible faults are pre-judged in advance.
Description
Technical Field
The embodiment of the invention relates to the technical field of detection and maintenance of power storage batteries, in particular to an online intelligent storage battery management system.
Background
With the rapid development and application of technologies such as power electronic technology, communication network, artificial intelligence and the like, the power supply system is rapidly improved in the aspect of network intelligent automation and even realizes the unattended operation of a monitored object. The storage battery pack used as a core component of a power system such as direct current, communication, UPS and the like is still relatively lagged in the aspect of routine maintenance and regular data detection. The existing storage battery discharges and checks the capacitance, and the manual work is needed to discharge and check the capacitance on site regularly, and the capacitance is automatically finished regularly; the storage battery discharge capacity needs to be withdrawn from a system to be separated from a bus, and a sequential control type switching off-line discharge design is mostly adopted; the charging process depends on the original charger after discharging; thermal resistance type discharge is adopted instead of active inversion discharge; and online discharge under the condition of multiple groups of parallel connection cannot be realized.
The storage battery of the existing power supply system needs to be perfected in monitoring, management and other aspects: the detection of battery operation parameters is not comprehensive, most of the batteries only monitor the voltage of the whole battery pack or detect the voltage of a single battery, but most of the batteries do not have the detection capability of single internal resistance on site. Auxiliary repair technical means such as balanced management, activation repair and the like of the battery are lacked in the operation process of the storage battery. Data monitored by the storage batteries of most users are only displayed by local direct current monitoring and are not uploaded to a background, remote detection cannot be realized, comprehensive management and control under a large data platform cannot be formed, and the difference of the management quality of the storage batteries is large. Most users do not know the monitoring data of the storage battery deeply, cannot perform scientific and effective data analysis on the operation data of the storage battery, and cannot predict the health degree trend of the storage battery. Due to objective reasons, the storage batteries at all stations can not be subjected to periodical capacity checking work at all stations with a hundred percent quality and quantity guarantee, and the current actual accurate backup capacity of the storage battery pack can not be controlled at all.
Disclosure of Invention
Therefore, the embodiment of the invention provides an online intelligent storage battery management system, which can realize online charging and discharging, remote capacity checking, comprehensive performance detection and automatic maintenance of a storage battery and health degree prediction of the storage battery without separating the storage battery from a bus.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: an online intelligent management system for a battery, the system comprising:
the online charging and discharging circuit module is used for receiving a PLC control instruction of an upper computer and realizing online charging and discharging nuclear capacity that the storage battery pack is not separated from a bus through the bidirectional active inverter circuit unit;
the intelligent analysis management and protection module is used for realizing the man-machine intelligent control of online charge-discharge capacity checking by issuing a PLC control instruction, intelligently detecting the performance data of the whole group and single battery of the storage battery, regularly and automatically maintaining and managing the storage battery pack and comprehensively pre-judging the health degree of the storage battery by an artificial intelligence algorithm.
The online charging and discharging circuit module comprises a first direct current circuit breaker, a diode, a second direct current circuit breaker, a third direct current circuit breaker and a bidirectional inverter power supply, wherein the first direct current circuit breaker is connected between a positive direct current bus and a negative direct current bus, the diode and the second direct current circuit breaker are connected between the direct current bus and a storage battery in parallel, before discharging is started, the second direct current circuit breaker is controlled to be disconnected, so that a charging channel between the storage battery and the direct current bus is disconnected, at the moment, the storage battery is enabled to keep power supply capacity for the direct current bus through the diode, one end of the third direct current circuit breaker is connected between the diode and the storage battery, the other end of the third direct current circuit breaker is connected with the bidirectional inverter power supply, the storage battery is connected to the bidirectional inverter power supply to form a charging and discharging loop through controlling to be closed, the bidirectional inverter power supply is started to discharge, so that the storage battery is discharged at a set discharging current value, when a bus voltage corresponding to the discharging storage battery is lower than a set threshold value, the bidirectional inverter power supply automatically stops discharging and starts to discharge and starts charging and stops charging and the storage battery pack when a charging and discharging termination condition is reached, then controls to open the third direct current circuit breaker and close the second direct current circuit breaker to complete the whole nuclear capacity recovery system.
Furthermore, the first direct current breaker, the second direct current breaker and the third direct current breaker are all electrified control direct current breakers.
Furthermore, the performance data of the whole storage battery pack and the single battery comprises storage battery pack voltage, storage battery pack current, storage battery pack temperature, single battery voltage, single battery current, single battery temperature, single battery static internal resistance and single battery dynamic internal resistance.
Further, the intelligent analysis management and protection module comprises a touch display screen.
Further, the specific process of performing regular automatic maintenance management on the storage battery pack includes: the battery pack is regularly subjected to equalization, pulse activation and large-current charge-discharge activation.
Furthermore, the intelligent analysis management and protection module further comprises a parameter setting module, and the parameter setting module is used for general parameter setting, performance data detection parameter setting and background communication parameter setting of the charging and discharging automatic core-capacitor.
Furthermore, the intelligent analysis management and protection module also comprises an information display module which is used for inquiring and displaying the performance data of the whole group of the storage battery and the single battery.
Furthermore, the intelligent analysis management and protection module further comprises an alarm module for giving an alarm and inquiring historical alarm information when the operation fault of the equipment is detected.
The embodiment of the invention has the following advantages:
the embodiment of the invention provides an online intelligent storage battery management system, which comprises: the online charging and discharging circuit module is used for receiving a PLC control instruction of an upper computer and realizing online charging and discharging nuclear capacity that the storage battery pack is not separated from a bus through the bidirectional active inverter circuit unit; the intelligent analysis management and protection module is used for realizing the man-machine intelligent control of online charging and discharging nuclear capacity by issuing a PLC control instruction, intelligently detecting the performance data of the whole group and single battery of the storage battery, regularly and automatically maintaining and managing the storage battery pack and comprehensively prejudging the health degree of the storage battery by an artificial intelligence algorithm. The device can liberate manual work to periodically discharge and verify the capacitance on site, and periodically and automatically complete the capacitance verification; the storage battery completes the electricity entering and the capacitance checking without being separated from the bus, thereby reducing the potential safety hazard of misoperation and remotely completing the capacitance checking; discharge energy is recovered, so that the method is green and environment-friendly and saves energy; the timeliness and comprehensiveness of the performance monitoring of the storage battery are enhanced, and the potential safety hazard of equipment operation failure is eliminated in time; the intelligent promotion is high, and the possible fault is pre-judged in advance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary and that other implementation drawings may be derived from the provided drawings by those of ordinary skill in the art without inventive effort.
Fig. 1 is a schematic structural diagram of an online intelligent management system for a storage battery according to embodiment 1 of the present invention;
fig. 2 is a circuit diagram of online charging and discharging of an online intelligent management system for a storage battery according to embodiment 1 of the present invention.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
As shown in fig. 1, the online intelligent management system for a storage battery according to an embodiment of the present invention includes an online charging and discharging circuit module 100 and an intelligent analysis management module 200.
And the online charging and discharging circuit module 100 is used for receiving a PLC control instruction of an upper computer and realizing online charging and discharging nuclear capacity that the storage battery pack does not break away from a bus through the bidirectional active inverter circuit unit.
In this embodiment, referring to fig. 2, the online charging and discharging circuit module 100 includes a first dc breaker (1 ZK), a diode (D1 or D2), a second dc breaker (2 ZK or 3 ZK), a third dc breaker (4 ZK or 5 ZK), and a bidirectional inverter, the first dc breaker (1 ZK) is connected between the positive and negative dc buses, the diode (D1 or D2) and the second dc breaker (2 ZK or 3 ZK) are connected in parallel between the dc bus and the battery pack, before starting discharge, the second direct current breaker (2 ZK or 3 ZK) is controlled to be disconnected, so that a charging channel between the storage battery pack and a direct current bus is disconnected, at the moment, the storage battery pack keeps the power supply capacity of the direct current bus through a diode (D1 or D2), one end of a third direct current breaker (4 ZK or 5 ZK) is connected between the diode (D1 or D2) and the storage battery pack, the other end of the third direct current breaker is connected with a bidirectional inverter power supply, the storage battery pack is connected to a bidirectional inverter power supply to form a charge-discharge loop by controlling to close a third direct current breaker (4 ZK or 5 ZK), the bidirectional inverter power supply starts grid-connected discharge, the storage battery pack is discharged at a set discharge current value in a constant current manner, when the bus voltage corresponding to the discharge storage battery pack is lower than a set threshold value, the standby power is started, and when the discharge stop condition is reached, the bidirectional inverter automatically stops discharging, starts charging the storage battery pack, and automatically stops charging when reaching the charging termination condition, and then, the third direct current breaker (4 ZK or 5 ZK) is controlled to be switched off, the second direct current breaker (2 ZK or 3 ZK) is controlled to be switched on, the system operation is recovered, and the whole nuclear capacity charging and discharging control is completed. In this embodiment, first direct current breaker, second direct current breaker and third direct current breaker are all and take automatically controlled direct current breaker, and the PLC control command of accessible host computer carries out on-off control, accomplishes automatic nuclear capacity.
The bidirectional active inversion unit can realize the on-line automatic discharge of the storage battery under the condition that the storage battery is not separated from a bus, the inversion unit also reversely converts energy to recharge the storage battery, the original external charging unit or UPS is not relied on to charge, and the completely integrated automatic capacity checking scheme is realized. The discharged energy is recovered in the discharging process, the environment is protected, meanwhile, the heat energy dissipation is small, and the running safety of surrounding equipment is guaranteed.
The intelligent analysis management and protection module 200 is used for realizing the man-machine intelligent control of online charging and discharging capacity checking by issuing a PLC control instruction, intelligently detecting the performance data of the whole group and single battery of the storage battery, regularly and automatically maintaining and managing the storage battery pack and comprehensively pre-judging the health degree of the storage battery by an artificial intelligence algorithm.
The intelligent analysis management and protection module comprises a touch display screen. The information exchange between the user and the system can be carried out through the HIM human-computer interface, the operation of the system is monitored in real time through the human-computer interface, the system has a self-alarm function when the system is in fault or loses power, and meanwhile, the system can automatically and safely operate; the power failure self-recovery function is realized, and all information is automatically protected during power failure; the system monitors and realizes multi-level authority management and effectively prevents misoperation; 1000 pieces of history record information can be saved; and an intelligent monitoring and information management platform is realized.
Furthermore, the performance data of the whole storage battery pack and the single battery comprises storage battery pack voltage, storage battery pack current, storage battery pack temperature, single battery voltage, single battery current, single battery temperature, single battery static internal resistance and single battery dynamic internal resistance. The battery management system can complete data detection of voltage, internal resistance, capacity and the like of each battery of the battery pack under the condition that the system is not powered off, namely the host does not stop working, and the battery pack does not separate from a load.
Further, the regular automatic maintenance and management of the storage battery pack specifically includes: the battery pack is regularly subjected to equalization, pulse activation and large-current charge and discharge activation.
The intelligent analysis management and protection module also comprises a parameter setting module which is used for general parameter setting, performance data detection parameter setting and background communication parameter setting of the charge-discharge automatic core capacity.
In the first setting interface, the following parameters can be set:
nominal capacity: setting according to the actual battery capacity;
the number of battery sections: setting according to the actual number of batteries;
whole group excessive pressure, under-voltage, single excessive pressure, under-voltage: the system can be manually set, and when the actual value of the system reaches a set value, the system sends out corresponding alarm information;
temperature threshold value: when the environmental temperature of the battery pack is higher than the set temperature valve value, the system can send out an overtemperature alarm;
full of reset delay: when the charging current of the battery is less than 1.5A and the float voltage reaches up to and down to 3V of 540V, starting to time, and when the time reaches the set value, the host does not charge the battery any more and switches to the UPS to charge the battery;
rated current of current sensor: the set value is consistent with the range of the current sensor, for example, the range of the current sensor is 150A/2.5V, and 150 is set here; this function is used to calibrate the current value;
battery pack discharge end voltage: when the actual discharge voltage of the battery pack reaches a set value, the system stops discharging;
discharge end voltage of single battery: when the actual discharge voltage of the single battery reaches a set value, the system stops discharging;
discharging time: when the discharge time reaches a set value, the system stops discharging;
discharge capacity: when the discharge capacity reaches a set value, the system stops discharging;
automatic nuclear capacity: the user can set the actual needs (check capacity once every month, quarter, half year, year and two years); when the discharge time reaches a set value, the system starts to automatically discharge;
internal resistance test interval: setting the factory for 800 hours, and manually setting the recommended set value not too small so as to prevent the host from frequently carrying out internal resistance test and influencing the service life of the host; after the interval time is set, pressing a closing button, turning on the closing button, and pressing a reset button, wherein the set value is effective; if the function is not used, the closing button can be pressed to close;
activation execution time: the factory setting is 3 times, and when the activation test is carried out, the system execution times are carried out according to the set value;
internal measurement waiting time: the factory setting is 60 seconds, and when the internal resistance test is carried out, the internal test waiting time is carried out according to the set value.
In the second setting interface, a float voltage, an equalizing voltage, a maximum charging current, a maximum discharging current, a float current, a desired power, and the like may be set. Note: only when the communication of the discharging host is normal, the parameters of the page can be displayed and modified:
float voltage: in a charging state, the bidirectional inversion host machine charges the battery, and the floating charging voltage is carried out according to a set value;
equalizing charge voltage: in a charging state, the bidirectional inversion host machine charges the battery, and the uniform charging voltage is carried out according to a set value;
maximum charging current: in a charging state, the bidirectional inversion host machine charges the battery, and the maximum charging current is carried out according to a set value;
maximum discharge current: when the battery is in a discharging state, the bidirectional inversion host discharges the battery, and the maximum discharging current is carried out according to a set value;
floating current transfer: when the charging current of the battery pack drops to a set value, converting the charging voltage into floating charging voltage by the sheet charging voltage;
desired power: the maximum power of the bidirectional inversion host is 30KW, the maximum power is set to be 30 when leaving a factory, and no change is recommended;
battery voltage upper limit protection: after the battery voltage reaches the upper limit set value, the battery voltage does not rise any more;
battery voltage lower limit protection: after the battery voltage reaches the lower limit set value, the battery voltage does not drop;
system time: the upper right corner can be clicked.
In the third setting interface, parameters such as baud rate and check bit for communication with the background can be set.
The intelligent analysis management and protection module also comprises an information display module which is used for inquiring and displaying the performance data of the whole group of the storage battery and the single battery.
The user can see the following information:
battery pack voltage: displaying the voltage value of the battery pack in real time during charging or discharging;
battery pack current: displaying the current value of the battery pack in real time during charging or discharging, wherein a negative value represents charging, and a positive value represents discharging;
temperature of the battery pack: displaying the temperature value of the battery pack in real time;
maximum voltage and number of nodes: displaying the maximum voltage value in the whole group of batteries and the battery number corresponding to the maximum voltage value;
minimum voltage and number of nodes: displaying the minimum voltage value in the whole battery group and the battery number corresponding to the minimum voltage value;
maximum internal resistance and node number: displaying the maximum internal resistance value in the whole group of batteries and the battery number corresponding to the maximum internal resistance value;
the voltage of each 1# battery pack can be checked by touching each 1# battery pack; and (3) lightly touching the' 1# internal resistance buttons to enter a 1# internal resistance picture, so that a user can see the internal resistance of each battery, the internal resistance value at the moment is the last tested internal resistance value, and if the latest internal resistance value needs to be checked, the internal resistance value needs to be tested again.
Operating the buttons:
and (3) core capacity: when the 'capacity checking' button is touched lightly, the system starts to check the capacity and discharge the 1# battery pack, and a user can see the currently discharged capacity value, the discharged time, the voltage curve, the current curve, the battery temperature and the host temperature of the 1# battery pack. If the 2# battery pack is to be discharged, continuously pressing the button twice to the page of the 2# battery pack, and then pressing the 'capacity check' button to discharge the 2# battery pack;
( Note that: if the system has an alarm or a fault, the host machine stops discharging until the fault is eliminated. )
Internal measurement: if the capacity is not checked, only the internal resistance of the battery is checked, and the 'internal test' button is touched, the system can only detect the internal resistance of the battery, the time is about 1 minute, and the internal test time can be modified by setting an interface 1 in a numerical setting mode;
activation: in order to prolong the service life of the battery, after the battery runs for a period of time, the activation button is touched lightly, the system can activate the battery, and the activation execution times can be modified on the interface of the setting 1;
health degree: after the discharging is finished, the system automatically jumps to a health degree evaluation picture, and a user can check the current health degree value, the starting time and the ending time of the checking capacity and the next checking capacity time of the battery pack;
stopping: after the discharge is finished in the charge-discharge picture, a 'stop' button can be pressed, and the system stops the capacity checking instruction;
single charging: when the UPS host cannot charge the battery, the inverter host can also perform charging operation on the battery by pressing a single charge button, and the charging current can be set and modified on a setting 1 interface;
singly placing: when the single discharge button is pressed, the discharge host can perform discharge operation on the battery pack, and the discharge current can be set and modified on the first setting interface.
The intelligent analysis management and protection module also comprises an alarm module which is used for alarming when the operation fault of the equipment is detected and inquiring historical alarm information.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements may be made based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (7)
1. An online intelligent management system for a storage battery, the system comprising:
the online charging and discharging circuit module is used for receiving a PLC control instruction of an upper computer and realizing online charging and discharging nuclear capacity that the storage battery pack is not separated from a bus through the bidirectional active inverter circuit unit;
the intelligent analysis management and protection module is used for realizing the man-machine intelligent control of online charge-discharge capacity checking by issuing a PLC control instruction, intelligently detecting the performance data of the whole group and single battery of the storage battery, regularly and automatically maintaining and managing the storage battery pack and comprehensively pre-judging the health degree of the storage battery by an artificial intelligence algorithm; the method for carrying out regular automatic maintenance management on the storage battery pack specifically comprises the following steps: regularly carrying out battery pack equalization, pulse activation and large-current charge-discharge activation;
the online charging and discharging circuit module comprises a first direct current breaker, a diode, a second direct current breaker, a third direct current breaker and a bidirectional inverter power supply, wherein the first direct current breaker is connected between a positive direct current bus and a negative direct current bus, the diode and the second direct current breaker are connected between the direct current bus and a storage battery pack in parallel, before starting discharging, the second direct current breaker is controlled to be opened, so that the storage battery pack is opened from a charging channel between the storage battery pack and the direct current bus, at the moment, the storage battery pack is enabled to keep power supply capacity for the direct current bus through the diode, one end of the third direct current breaker is connected between the diode and the storage battery pack, the other end of the third direct current breaker is connected with the bidirectional inverter power supply, the storage battery pack is connected to the bidirectional inverter power supply to form a charging and discharging loop through controlling to be closed, the bidirectional inverter power supply is started to be in grid-connected with discharging, so that the storage battery pack is discharged at a set discharging current value, when a bus voltage corresponding to the discharging storage battery pack is lower than a set threshold value, when a discharging stop condition is reached, the bidirectional inverter power supply automatically stops discharging, starts charging and starts charging for the storage battery pack, automatically stops charging and stops charging when the charging and stops charging and then controls to open the third direct current breaker, and controls the second direct current breaker to operate the recovery system, and completes the whole constant current capacity control system.
2. The online intelligent management system for the storage battery of claim 1, wherein the first direct current breaker, the second direct current breaker and the third direct current breaker are all charged direct current breakers.
3. The system of claim 1, wherein the battery pack and cell performance data comprises battery pack voltage, battery pack current, battery pack temperature, cell voltage, cell current, cell temperature, cell static internal resistance, and cell dynamic internal resistance.
4. The online intelligent management system for storage batteries according to claim 1, wherein the intelligent analysis management module comprises a touch display screen.
5. The online intelligent management system for the storage batteries according to claim 1, wherein the intelligent analysis management and protection module further comprises a parameter setting module for general parameter setting of automatic charge and discharge capacity checking, performance data detection parameter setting and background communication parameter setting.
6. The online intelligent management system for storage batteries according to claim 1, wherein the intelligent analysis management and protection module further comprises an information display module for querying and displaying the performance data of the whole group and single battery of the storage batteries.
7. The online intelligent management system for storage batteries according to claim 1, wherein the intelligent analysis management and protection module further comprises an alarm module for alarming when detecting the equipment operation failure and inquiring the historical alarm information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110327652.6A CN113013991B (en) | 2021-03-26 | 2021-03-26 | Online intelligent management system for storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110327652.6A CN113013991B (en) | 2021-03-26 | 2021-03-26 | Online intelligent management system for storage battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113013991A CN113013991A (en) | 2021-06-22 |
| CN113013991B true CN113013991B (en) | 2023-01-03 |
Family
ID=76407926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110327652.6A Active CN113013991B (en) | 2021-03-26 | 2021-03-26 | Online intelligent management system for storage battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113013991B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113608141A (en) * | 2021-07-07 | 2021-11-05 | 广东电网能源发展有限公司 | Operation and maintenance monitoring method, device, equipment and medium for storage battery pack |
| CN113572183A (en) * | 2021-07-20 | 2021-10-29 | 许继电源有限公司 | Intelligent maintenance circuit and maintenance method for station storage battery |
| CN113708462A (en) * | 2021-09-23 | 2021-11-26 | 北京国电光宇机电设备有限公司 | Alternating current-direct current integrated power supply system based on storage battery online management |
| CN114156963B (en) * | 2021-10-19 | 2022-12-09 | 深圳奥特迅电力设备股份有限公司 | Online storage battery capacity checking method and direct-current guard power supply system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012068774A1 (en) * | 2010-11-24 | 2012-05-31 | 四川电力试验研究院 | Lithium iron battery-based direct current power supply emergency response system for transformer substation |
| CN206790096U (en) * | 2016-11-21 | 2017-12-22 | 国家电网公司 | One kind is based on cell distribution maintenance free intelligent d. c power-supply system |
| WO2019178953A1 (en) * | 2018-03-22 | 2019-09-26 | 深圳市南霸科技有限公司 | Internet-of-things-based intelligent battery state monitoring system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107219470B (en) * | 2017-07-24 | 2020-05-01 | 深圳市泰昂能源科技股份有限公司 | On-line checking discharge device and method for storage battery pack |
| CN111725867A (en) * | 2020-06-24 | 2020-09-29 | 国网湖北省电力有限公司孝感供电公司 | Remote automatic maintenance system and maintenance method for storage battery |
| CN112467831B (en) * | 2020-11-18 | 2023-05-30 | 江苏为恒智能科技有限公司 | Remote on-line nuclear capacity management system for storage battery pack |
-
2021
- 2021-03-26 CN CN202110327652.6A patent/CN113013991B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012068774A1 (en) * | 2010-11-24 | 2012-05-31 | 四川电力试验研究院 | Lithium iron battery-based direct current power supply emergency response system for transformer substation |
| CN206790096U (en) * | 2016-11-21 | 2017-12-22 | 国家电网公司 | One kind is based on cell distribution maintenance free intelligent d. c power-supply system |
| WO2019178953A1 (en) * | 2018-03-22 | 2019-09-26 | 深圳市南霸科技有限公司 | Internet-of-things-based intelligent battery state monitoring system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113013991A (en) | 2021-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113013991B (en) | Online intelligent management system for storage battery | |
| CN107219470B (en) | On-line checking discharge device and method for storage battery pack | |
| CN101232110B (en) | Method and apparatus for charging batteries | |
| CN101577438B (en) | Equipment for high-capacity back-up power maintenance based on remote monitoring platform | |
| CN106646037B (en) | A kind of direct current system real-time detection method for substation | |
| CN109586361B (en) | Lithium battery energy storage power supply system | |
| CN112349988B (en) | Vehicle storage battery online monitoring device and self-adaptive charging method | |
| CN104810886A (en) | Intelligent storage battery pack and connecting circuit thereof | |
| CN109449944B (en) | Bidirectional direct-current power supply control system and method for transformer substation | |
| CN104300669A (en) | Nuclear power station direct-current power source hybrid power supply system | |
| CN111864889B (en) | Uninterrupted emergency power supply system and power supply method for open-circuit protection of lead-acid storage battery pack | |
| CN112332528A (en) | Uninterrupted power supply system using lithium battery | |
| CN111342534A (en) | Storage battery discharge control system and control method thereof | |
| CN115184817A (en) | Storage battery online monitoring system | |
| KR102273778B1 (en) | Battery Pack and Driving Method Thereof | |
| CN204131151U (en) | A kind of storage battery automatic on-line electric discharge device | |
| CN115877228B (en) | Storage battery charge and discharge monitoring method and system with remote nuclear capacity | |
| CN109901079B (en) | Remote capacity checking method and system for storage battery of electric direct-current power supply | |
| CN202333844U (en) | N+1 storage battery pack on-line detection maintenance seamless power supply device | |
| CN103354366A (en) | Application of floating-charge type protective lithium iron phosphate storage battery in electric power engineering DC system | |
| CN109361261B (en) | Online monitoring method for state of super capacitor for power distribution terminal | |
| CN215813253U (en) | Remote control system for checking capacity of communication power supply storage battery | |
| CN107017683B (en) | Balance and self-repair control method for storage battery of transformer substation | |
| CN115589060A (en) | Standby device of direct current system for station | |
| CN112798970B (en) | Remote nuclear capacity system of storage battery of transformer substation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |