CN104333081A - Online maintenance method of distributed power supply - Google Patents
Online maintenance method of distributed power supply Download PDFInfo
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- CN104333081A CN104333081A CN201410646164.1A CN201410646164A CN104333081A CN 104333081 A CN104333081 A CN 104333081A CN 201410646164 A CN201410646164 A CN 201410646164A CN 104333081 A CN104333081 A CN 104333081A
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- 238000012423 maintenance Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 3
- 238000004891 communication Methods 0.000 claims description 18
- 238000007599 discharging Methods 0.000 claims description 8
- 230000002159 abnormal effect Effects 0.000 claims description 6
- 238000004378 air conditioning Methods 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 5
- 241001269238 Data Species 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 17
- 238000007726 management method Methods 0.000 description 17
- 239000004065 semiconductor Substances 0.000 description 17
- 238000007405 data analysis Methods 0.000 description 13
- 239000003792 electrolyte Substances 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 6
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 229910000464 lead oxide Inorganic materials 0.000 description 3
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- H02J7/0021—
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/443—Methods for charging or discharging in response to temperature
-
- H02J13/0003—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
-
- H02J7/0026—
-
- 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
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- H02J7/0077—
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- H02J7/0078—
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- H02J7/0091—
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses an online maintenance method of a distributed power supply. The online maintenance method includes that when an environment control set detects that the environment temperature is higher than an environment temperature threshold, according to temperature information of accumulators, cooling maintenance is performed on accumulator sets by a main control module of an accumulator maintenance system, and accordingly the accumulator sets with temperature higher than a first temperature threshold stop charge, discharge or supply power; the accumulator sets with temperature between the first temperature threshold and a second temperature threshold stop charge or discharge; the accumulator sets with temperature between the second temperature threshold and a third temperature threshold stop discharge; the accumulators with temperature lower than the third temperature threshold continue to charge, discharge and supply power. The online maintenance method has the advantages that the local maintenance and the online maintenance of the accumulator sets performed by a remote administrative department are supported, operating maintenance quality and efficiency is greatly improved, and service lives of the accumulator sets are prolonged.
Description
Technical field
The present invention relates to distributed power source on-line maintenance method.
Background technology
Along with the fast development of China's electric power and telecommunications industry in recent years, the quantity of transformer station and batteries is annual all in rapid growth, the distance of transformer station and management unit of electric company is more and more far away simultaneously, therefore how to manage the thorny problem having become electric power and telecommunication system with timely maintenance free cell group.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, distributed power source on-line maintenance method is provided, by the charge and discharge control of charging and discharging circuit realiration to batteries, by wireless network and cable network, the real time status information of batteries is sent to the administrative department of far-end, support that remote side administration part carries out on-line maintenance to batteries, also achieve locally maintenance work automatically.
The object of the invention is to be achieved through the following technical solutions: distributed power source on-line maintenance method, it comprises following multiple step:
S1: the battery maintenance module of battery service system carries out Real-time Collection to the work state information of each batteries, the information content of collection comprises the real-time voltage of batteries, electric current and temperature information;
S2: the real time data of ring control unit inspection batteries operational environment, comprises testing environment temperature information, and by communication module, this environment real time data is sent to battery service system;
S3: when ambient temperature is higher than ambient temperature threshold value, the main control module of battery service system carries out cooling according to the temperature information of storage battery to batteries to be safeguarded, temperature is made to stop charging, electric discharge and power supply action higher than the batteries of the first temperature threshold, the storage battery of temperature between the first temperature threshold and the second temperature threshold stops charging and discharging action, the storage battery of temperature between the second stable threshold and the 3rd temperature threshold stops discharging action, and the stable storage battery lower than the 3rd temperature threshold continues to perform charging, electric discharge and power supply action;
S4: main control module, according to the real time information of this each batteries, makes corresponding service action, and this real time information and performed action are preserved in a storage module;
S5: when main control module detects that batteries is in abnormal operation, linkage alarm modules is reported to the police;
It is too low higher than the 3rd temperature threshold, overcurrent charge/discharge, overvoltage charge/discharge, overcharge/electric discharge and battery capacity that described abnormal operation comprises temperature;
When detecting that the temperature of storage battery is higher than the 3rd temperature threshold, main control module interlock air-conditioning system or ventilating system, reduce ambient temperature, to solve the temperature anomaly of batteries by air-conditioning system or ventilating system;
When batteries overcurrent charge/discharge and overvoltage charge/discharge being detected, main control module controls the electric current and the voltage that reduce charge/discharge respectively, and starts as batteries carries out equalizing charge;
When batteries overcharge/electric discharge being detected, master control module controls charging control circuit/charge/discharge control circuit stops charge/discharge;
When detecting that battery cell capacity is too low, master control module controls charging control circuit carries out equalizing charge to batteries;
S6: the control command information of the real time status information of all batteries and main control module is all sent to management and monitoring center by communication module by main control module;
S7: main control module also records charging interval of each batteries, discharge time and power-on time; And according to this three kinds of time datas and ambient temperature data, the execution cycle that the battery capacity controlling batteries is safeguarded.
Described battery capacity is safeguarded: main control module sends capacity to the batteries need carrying out battery capacity maintenance and safeguards pulse signal, this capacity safeguards that pulse signal is one-period signal, a charging control signal, a stop signal and a discharge control signal is comprised in each cycle that this capacity safeguards pulse signal, the length of described charging control signal is three times of stop signal, and the length of discharge control signal is the twice of stop signal.
The invention has the beneficial effects as follows: battery service system of the present invention has multiple power-source maintenance module, can complete the detection and control to each batteries.
The present invention passes through charging and discharging circuit realiration to the charge and discharge control of each batteries, the present invention can adopt Wireless detection module to gather the information such as voltage, electric current, temperature of batteries, and this Information Monitoring directly can send to upper management department by Wireless detection module.
The present invention also carries out exchanges data by communication module and upper management department, and when particularly being communicated by fiber optic network, the fail safe of transmission data is high each other, traffic rate is fast, transfer of data is stable.
The present invention supports that remote side administration department carries out on-line maintenance to batteries, while meeting the maintenance requirement of batteries day-to-day operation, substantially increases the quality of operation maintenance and efficiency and extends useful life of batteries.
Accompanying drawing explanation
Fig. 1 is the system block diagram of distributed power source on-line maintenance system of the present invention;
Fig. 2 is the theory diagram of power-source maintenance module of the present invention;
Fig. 3 is the circuit theory diagrams of voltage of the present invention, current detection module;
Fig. 4 is the circuit theory diagrams of charge-discharge modules of the present invention.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail, but protection scope of the present invention is not limited to the following stated.
As shown in Figure 1, distributed power source on-line maintenance system, it comprises the secondary battery unit be made up of one or more batteries, battery service system, ring control unit and management and monitoring center, described battery service system comprises one or more battery maintenance module, main control module and communication module, described main control module is connected with batteries by battery maintenance module, one or more battery maintenance module and one or more batteries connect one to one, the discharge end of battery maintenance module is connected with load, the charging end of battery maintenance module is connected with ups power by AC-DC conversion module, main control module is connected with ring control unit and management and monitoring center respectively by communication module.
Described ring control unit is used for the parameter such as temperature, humidity of testing environment, and the parameter information detected sends to main control module by communication module, main control module, according to this ambient parameter information, controls the operations such as battery maintenance module is charged to batteries, discharged, power supply.
Battery service system primary responsibility carries out real-time data acquisition and transmission to on-the-spot batteries, and the field data of collection is real-time transmitted to the management and monitoring center of far-end.
Management and monitoring center is responsible for carrying out long-distance real-time management and analysis to the field data of battery service system acquisition, under operational monitoring state, every batteries voltage, battery set charge/discharge electric current, temperature are judged, the battery of the voltage and threshold temperature that exceed setting is reported to the police.
Described management and monitoring center comprises data analysis unit, database server, report generation unit and alarm unit.
Described database server receives and preserves the field data of battery service system to secondary battery unit Real-time Collection.
Described data analysis unit, to the data analysis in database server and statistics, carries out voltage, electric current, the data analysis of temperature and statistics to storage battery.Described data analysis unit comprises apparatus for battery capacity measurement unit, and apparatus for battery capacity measurement unit, according to the voltage and current of storage battery, measures the battery capacity of this storage battery.
Described report generation unit is made into data sheet the statistics that data analysis unit obtains, and prints this data sheet by printer.
The analysis result that described alarm unit obtains according to data analysis unit, judges whether current storage battery is in normal condition, if storage battery is in abnormality, then alarm unit carries out alarm, and prints alarm table with printer coordinated signals printer.
As shown in Figure 2, described battery maintenance module comprises charging control circuit, charge/discharge control circuit, state detection module and control module, and described control module is connected with main control module.The power supply input of described charging control circuit exports with the power supply of AC-DC conversion module and is connected, and the control inputs of charging control circuit and the charging of control module control to export and be connected, and the power supply of charging control circuit exports and is connected with the charging input of batteries.The power supply input of described charge/discharge control circuit is connected with the output of batteries, and the control inputs of charge/discharge control circuit exports with the control of discharge of control module and is connected, and the power supply of charge/discharge control circuit exports and is connected with load.The test side of described state detection module is connected with batteries, and the output of state detection module is connected with the detection of control module input.
Described battery maintenance module is connected with batteries by rectangular electric connector, and described rectangular electric connector can adopt TJ20-02ZJH or TJ20-02TKYL.
Described main control module and control module all can adopt the F2MC mono-8FX series monolithic MB95F136 chip of Fujitsu company.
Described state detection module comprises one or more the combination in temperature detecting module, voltage detection module and current detection module.
The digital temperature sensor DS18B20 that the present invention can adopt American Dallas company to produce as temperature detecting module to detect the temperature of storage battery.Temperature detecting module adopts heat conducting adhesive to stick on the surface of batteries, ensures that the grounding pin of temperature sensor and batteries have good thermo-contact.
As shown in Figure 3, Fig. 3 is the circuit theory diagrams of voltage, current detection module.Wherein, voltage detection module comprises resistance R1, resistance R2, resistance R3 and operational amplifier U1, one end of resistance R1 exports with the voltage of batteries and is connected, the other end of resistance R1 is connected with the in-phase input end of operational amplifier U1 by resistance R3, the other end of resistance R1 is also connected with the inverting input of operational amplifier U1 by resistance R2, the inverting input of operational amplifier U1 also docks with ground, the output of operational amplifier U1 is connected with the input of the voltage detecting of control module, the output of operational amplifier U1 is also connected with the positive input of operational amplifier U1.The present invention can select resistance to be the resistance R3 of resistance R2,100k Ω of resistance R1,2k Ω of 22k Ω, and operational amplifier U1 can select LM324AD.
Current detection module comprises resistance R4, resistance R5, resistance R6 and operational amplifier U2, one end of described resistance R4 exports with the electric current of batteries and is connected, namely export with the electric current of sampling resistor and be connected, the other end of resistance R4 is connected with the in-phase input end of operational amplifier U2, the inverting input of operational amplifier U2 is connected with the intersection point of resistance R2 and operational amplifier U1 by resistance R5, the output of operational amplifier U2 is connected with the input of the current detecting of control module, the output of operational amplifier U2 is also connected with the inverting input of operational amplifier U2 by resistance R6, the power supply positive pole of operational amplifier U2 is connected with reference voltage V CC, the power supply negative pole of operational amplifier U2 with dock.The present invention can select resistance to be the resistance R5 of resistance R4,10k Ω and the resistance R6 of 220k Ω of 10k Ω, and operational amplifier U2 can select LM324AD.
As shown in Figure 4, Fig. 4 is the circuit theory diagrams of controllable charge-discharge modules.Charge-discharge modules comprises metal-oxide-semiconductor Q1, metal-oxide-semiconductor Q2, diode D1, diode D2, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, electric capacity C1, electric capacity C2, electric capacity C3 and electric capacity C4, the drain electrode of metal-oxide-semiconductor Q1 is connected with the charging input end of batteries by resistance R8, namely be connected with the positive pole of batteries, the source electrode of metal-oxide-semiconductor Q1 is connected with the negative pole of batteries, the grid of metal-oxide-semiconductor Q1 is connected with the control of discharge end of control module, the drain electrode of metal-oxide-semiconductor Q2 is connected with the negative pole of batteries, the source electrode of metal-oxide-semiconductor Q2 with dock, the grid of metal-oxide-semiconductor Q2 is connected with the charging control end of control module, resistance R11 and the electric capacity C4 of series connection is also parallel with between the source electrode of metal-oxide-semiconductor Q2 and drain electrode, the positive pole of diode D1 is connected with ups power input, the negative pole of diode D1 is docked with ground by resistance R7, be connected by resistance R9 and the negative pole of diode D2 with the positive pole of batteries, be also connected with the power supply input of load, the two ends of resistance R7 are parallel with electric capacity C1 and the electric capacity C2 of series connection, are also parallel with resistance R10 and the electric capacity C3 of series connection between the positive pole of batteries and negative pole.
Control module can comprise intelligent power module, intelligent power module is the device for power switching of a kind of advanced person, there is GTR (high power transistor) high current density, low saturation voltage and high voltage bearing advantage, and the advantage of MOSFET (field-effect transistor) high input impedance, high switching frequency and low driving power.And IPM inside is integrated with logic, control, detection and protective circuit, is easy to use, not only reduces volume and the development time of power-source maintenance module, also greatly strengthen the reliability of power-source maintenance module.The input of intelligent power module is connected with the control end that charges with the control of discharge end of control module respectively, the control of discharge of intelligent power module exports and is connected with the grid of metal-oxide-semiconductor Q1, and the charging of intelligent power module controls to export and is connected with the grid of metal-oxide-semiconductor Q2.
When control module sends charging signals, the grid of metal-oxide-semiconductor Q2 receives charging signals, and the source electrode of metal-oxide-semiconductor Q2 and drain electrode conducting, batteries starts charging.When control module sends discharge signal, the grid of metal-oxide-semiconductor Q1 receives discharge signal, and the source electrode of metal-oxide-semiconductor Q1 and drain electrode conducting, batteries begins through resistance R8 and discharges.When control module sends as load supplying signal, the grid of metal-oxide-semiconductor Q1, Q2 all receives power supply signal, and the source electrode of metal-oxide-semiconductor Q1, Q2 and the equal conducting that drains, batteries starts as load supplying.
Described communication module comprises one or more the combination in wire communication module and wireless communication module.
Described wire communication module comprises one or more the combination in RJ45 mixed-media network modules mixed-media, RS485 mixed-media network modules mixed-media and fiber optic telecommunications module.
Described wireless communication module comprises one or more the combination in gsm communication module, GPRS communication module, 3G communication module and WiFi module.
The present invention also directly can adopt Wireless detection module, realizes image data to be real-time transmitted to upper management department, and structure is simple.
Described battery service system also comprises alarm modules, and described alarm modules is connected with main control module; Alarm modules comprises one or more the combination in display module, indicator light and buzzer.Wherein, display module by three LED charactrons, can show the voltage status of batteries, current status and state of temperature respectively, and LED charactron can be made up of 74HC595 shift register.Display module also can be LCDs.When alarm modules receives alarm signal, display module flicker is reported to the police, and warning indicator light lights flicker, and buzzer jingle bell is reported to the police.
Described battery service system also comprises memory module, and described memory module is connected with main control module.Memory module is used for the data message that store status detection module gathers, and is convenient to the historic state information of management control center to batteries and inquires about, also can set up USB interface, meets administrative staff and carries out scene copy to the information of batteries.
Distributed power source on-line maintenance method, it comprises following multiple step:
S1: the battery maintenance module of battery service system carries out Real-time Collection to the work state information of each batteries, the information content of collection comprises the real-time voltage of batteries, electric current and temperature information;
S2: the real time data of ring control unit inspection batteries operational environment, comprises testing environment temperature information, and by communication module, this environment real time data is sent to battery service system;
S3: when ambient temperature is higher than ambient temperature threshold value, the main control module of battery service system is safeguarded batteries according to the temperature information of storage battery, temperature is made to stop charging, electric discharge and power supply action higher than the batteries of the first temperature threshold, the storage battery of temperature between the first temperature threshold and the second temperature threshold stops charging and discharging action, the storage battery of temperature between the second stable threshold and the 3rd temperature threshold stops discharging action, and the stable storage battery lower than the 3rd temperature threshold continues to perform charging, electric discharge and power supply action;
S4: main control module, according to the real time information of this each batteries, makes corresponding service action, and this real time information and performed action are preserved in a storage module;
S5: when main control module detects that batteries is in abnormal operation, linkage alarm modules is reported to the police;
It is too low higher than the 3rd temperature threshold, overcurrent charge/discharge, overvoltage charge/discharge, overcharge/electric discharge and battery capacity that described abnormal operation comprises temperature;
When detecting that the temperature of storage battery is higher than the 3rd temperature threshold, main control module interlock air-conditioning system or ventilating system, reduce ambient temperature, to solve the temperature anomaly of batteries by air-conditioning system or ventilating system;
When batteries overcurrent charge/discharge and overvoltage charge/discharge being detected, main control module controls the electric current and the voltage that reduce charge/discharge respectively, and starts as batteries carries out equalizing charge;
When batteries overcharge/electric discharge being detected, master control module controls charging control circuit/charge/discharge control circuit stops charge/discharge;
When detecting that battery cell capacity is too low, master control module controls charging control circuit carries out equalizing charge to batteries;
S6: the control command information of the real time status information of all batteries and main control module is all sent to management and monitoring center by communication module by main control module;
In management and monitoring, database server in the heart receives and preserves the field data of battery service system to secondary battery unit Real-time Collection;
In management and monitoring, data analysis unit is in the heart to the data analysis in database server and statistics, carries out voltage, electric current, the data analysis of temperature and statistics to storage battery; Described data analysis unit comprises apparatus for battery capacity measurement unit, and apparatus for battery capacity measurement unit, according to the voltage and current of storage battery, measures the battery capacity of this storage battery;
In management and monitoring, report generation unit is in the heart made into data sheet the statistics that data analysis unit obtains, and prints this data sheet by printer;
The analysis result that in management and monitoring, alarm unit in the heart obtains according to data analysis unit, judge whether current storage battery is in normal condition, if storage battery is in abnormality, then alarm unit carries out alarm, and prints alarm table with printer coordinated signals printer;
S7: main control module also records charging interval of each batteries, discharge time and power-on time; And according to this three kinds of time datas and ambient temperature data, the execution cycle that the battery capacity controlling batteries is safeguarded.
Described battery capacity is safeguarded: main control module sends capacity to the batteries need carrying out battery capacity maintenance and safeguards pulse signal, this capacity safeguards that pulse signal is one-period signal, a charging control signal, a stop signal and a discharge control signal is comprised in each cycle that this capacity safeguards pulse signal, the length of described charging control signal is three times of stop signal, and the length of discharge control signal is the twice of stop signal.
Storage battery is generally made up of positive plate group, negative plate group, electrolyte and container etc.Lead sulfate during lead acid battery charge on pole plate becomes spongy lead and lead oxide respectively, and the sulfate ion be fixed therein is discharged into electrolyte, and the sulfuric acid concentration in electrolyte constantly becomes large; Otherwise lead oxide during electric discharge in anode and the spongy lead on minus plate and the sulfuric acid in electrolyte react and become lead sulfate, and the sulfuric acid concentration in electrolyte constantly reduces.When lead acid battery charge is not enough, the lead sulfate of negative and positive two-plate can not transform completely and become spongy lead and lead oxide, if long-term undercharge, then can cause lead sulfate crystallization, make plate vulcanizing, and battery quality becomes bad; If instead battery overcharges, the amount of oxygen that anode produces is greater than the adsorption capacity of negative electrode, accumulator internal pressure is increased, causes gas excessive, and electrolyte reduces, and active material also may be caused to soften or come off, and battery life shortens greatly.
Power-source maintenance module of the present invention can address this is that well, sent by control module and safeguard pulse signal, this maintenance pulse signal is periodic signal, each cycle comprises a charging control signal, a stop signal and a discharge control signal, make batteries with the regular cycles discharge and recharge of " charging-stop-electric discharge-charging-stop-electric discharge ", spark at the two ends of storage battery to remove the electric charge that positive electrode and negative electrode are piled up, thus remove lead sulfate crystallization, increase the effective active matter in electrolyte, improve the charging ability of storage battery.
Claims (2)
1. distributed power source on-line maintenance method, is characterized in that: it comprises following multiple step:
S1: the battery maintenance module of battery service system carries out Real-time Collection to the work state information of each batteries, the information content of collection comprises the real-time voltage of batteries, electric current and temperature information;
S2: the real time data of ring control unit inspection batteries operational environment, comprises testing environment temperature information, and by communication module, this environment real time data is sent to battery service system;
S3: when ambient temperature is higher than ambient temperature threshold value, the main control module of battery service system carries out cooling according to the temperature information of storage battery to batteries to be safeguarded, temperature is made to stop charging, electric discharge and power supply action higher than the batteries of the first temperature threshold, the storage battery of temperature between the first temperature threshold and the second temperature threshold stops charging and discharging action, the storage battery of temperature between the second stable threshold and the 3rd temperature threshold stops discharging action, and the stable storage battery lower than the 3rd temperature threshold continues to perform charging, electric discharge and power supply action;
S4: main control module, according to the real time information of this each batteries, makes corresponding service action, and this real time information and performed action are preserved in a storage module;
S5: when main control module detects that batteries is in abnormal operation, linkage alarm modules is reported to the police;
It is too low higher than the 3rd temperature threshold, overcurrent charge/discharge, overvoltage charge/discharge, overcharge/electric discharge and battery capacity that described abnormal operation comprises temperature;
When detecting that the temperature of storage battery is higher than the 3rd temperature threshold, main control module interlock air-conditioning system or ventilating system, reduce ambient temperature, to solve the temperature anomaly of batteries by air-conditioning system or ventilating system;
When batteries overcurrent charge/discharge and overvoltage charge/discharge being detected, main control module controls the electric current and the voltage that reduce charge/discharge respectively, and starts as batteries carries out equalizing charge;
When batteries overcharge/electric discharge being detected, master control module controls charging control circuit/charge/discharge control circuit stops charge/discharge;
When detecting that battery cell capacity is too low, master control module controls charging control circuit carries out equalizing charge to batteries;
S6: the control command information of the real time status information of all batteries and main control module is all sent to management and monitoring center by communication module by main control module, management and monitoring center manages batteries and controls;
S7: main control module also records charging interval of each batteries, discharge time and power-on time; And according to this three kinds of time datas and ambient temperature data, the execution cycle that the battery capacity controlling batteries is safeguarded.
2. distributed power source on-line maintenance method according to claim 1, it is characterized in that: described battery capacity is safeguarded and is: main control module sends capacity to the batteries need carrying out battery capacity maintenance and safeguards pulse signal, this capacity safeguards that pulse signal is one-period signal, a charging control signal, a stop signal and a discharge control signal is comprised in each cycle that this capacity safeguards pulse signal, the length of described charging control signal is three times of stop signal, and the length of discharge control signal is the twice of stop signal.
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Denomination of invention: Online maintenance method of distributed power supply Effective date of registration: 20170727 Granted publication date: 20170118 Pledgee: Chengdu SME financing Company Limited by Guarantee Pledgor: Jiuhua Yuantong Science and Technology Development Co., Ltd., Chengdu Registration number: 2017510000045 |
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