CN112909367B - Storage battery activation nuclear capacity and repairing method - Google Patents
Storage battery activation nuclear capacity and repairing method Download PDFInfo
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- CN112909367B CN112909367B CN202110062942.2A CN202110062942A CN112909367B CN 112909367 B CN112909367 B CN 112909367B CN 202110062942 A CN202110062942 A CN 202110062942A CN 112909367 B CN112909367 B CN 112909367B
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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
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
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Abstract
The embodiment of the invention provides a storage battery activation nuclear capacity and repair method, which comprises the following steps: step one: initializing target data, wherein the target data is based on data acquired by an acquisition module, a direct current bus and alternating current; step two: judging whether the storage battery needs to activate the nuclear capacity or not; step three: when the storage battery needs to activate the nuclear capacity, further judging whether the activation nuclear capacity condition is met; step four: when the activation nuclear capacity condition is met, the main circuit breaker of the storage battery is disconnected, the storage battery is discharged, and the storage battery charger does not charge the storage battery; step five: activating the nuclear capacity of the storage battery; step six: when the storage battery does not need to activate the nuclear capacity, further judging whether the storage battery needs to be balanced or not; the embodiment of the invention greatly reduces manpower and energy consumption while ensuring the service life of the storage battery and improving the stability of a power supply system of the power supply system.
Description
Technical Field
The invention relates to the technical field of power supply detection equipment, in particular to a storage battery activation nuclear capacity and a repairing method.
Background
The storage battery is in a floating charge state for a long time, and is easy to cause corrosion and water loss in the storage battery, so that the service life of the storage battery is greatly reduced, the storage battery is required to be subjected to periodic activation discharge, capacity check, internal resistance test, pulse sulfur removal and equalization in the use process, and fault early warning can be carried out in advance, so that the storage battery is ensured to reach the expected service life, and the power supply reliability of a power supply system is improved. However, the maintenance operation is complicated, and a power failure is required to be handled by a professional, so that a great deal of manpower and energy consumption is generated.
Summary of the invention
In order to overcome the defects of the prior art, the invention provides a storage battery activation nuclear capacity and a repairing method which are used for solving the technical problems of short service life of the storage battery, low power supply reliability of a power supply system and great consumption of manpower cost and energy.
The technical scheme adopted for solving the technical problems is as follows: the method for activating and repairing the storage battery comprises the following steps:
step one: initializing target data, wherein the target data is based on data acquired by an acquisition module, a direct current bus and alternating current;
step two: judging whether the storage battery needs to activate the nuclear capacity or not;
step three: when the storage battery needs to activate the nuclear capacity, further judging whether the activation nuclear capacity condition is met;
step four: when the activation nuclear capacity condition is met, the main circuit breaker of the storage battery is disconnected, the storage battery is discharged, and the storage battery charger does not charge the storage battery;
step five: activating the nuclear capacity of the storage battery;
step six: when the storage battery does not need to activate the nuclear capacity, whether the storage battery needs to be balanced is further judged.
Preferably, after opening the battery main breaker, the step further includes:
and selecting the storage battery needing to be activated for nuclear capacity based on the address code corresponding to the acquisition module matched with the storage battery.
Specifically, the method for activating the nuclear capacity of the single-section storage battery comprises the following steps:
when the activation nuclear capacity starts, recording the voltage value and the current value of a single-section storage battery;
when the alternating current input voltage is monitored to be normal, the nuclear capacity is continuously activated;
when the abnormality of the alternating current input voltage is detected, the activation of the nuclear capacity is ended, and the main breaker is attracted.
Preferably, when the ac input voltage is detected to be abnormal, the activating nuclear capacity is ended, and after the main breaker is closed, the steps further include:
the monitoring host is used for taking electricity from the direct current bus to charge the low-voltage storage battery;
judging whether all the battery voltages reach balance;
when all the battery voltages do not reach the balance, the low-voltage storage battery is continuously charged;
when all the battery voltages reach equilibrium, charging is ended.
Specifically, when the activation nuclear capacity starts, the voltage value and the current value of the single-section storage battery are recorded, and the method comprises the following steps:
discharging the direct current bus by adjusting the DC-DC of the monitoring host, so that the single-section storage battery discharges according to 0.1C;
during the discharging process of the single storage battery, the voltage value, the discharging current value and the pole temperature value of the battery are recorded every minute.
Preferably, after recording the battery voltage value, the discharge current value, and the post temperature value once per minute during the discharging of the battery, the steps further include:
and calculating the SOH of the single storage battery and storing a battery discharge curve according to the single storage battery voltage value, the discharge current value and the pole temperature value recorded in the process of activating the nuclear capacity discharge and the set single storage battery ampere hour number and the discharge voltage cut-off point.
Preferably, after calculating the state of health SOH of the battery and storing the battery discharge curve, the steps further include:
and (5) charging a single-section storage battery and carrying out pulse sulfur removal.
Preferably, after the single-cell battery charge and pulse sulfur removal, the steps further comprise:
judging whether all the batteries are activated and the charging is completed;
when all the battery activation nuclear capacity and charging are completed, ending the activation nuclear capacity and sucking the main breaker;
and when all the batteries are not complete in activation core capacity and charging, continuously selecting the batteries needing to be subjected to activation core capacity based on the address codes corresponding to the acquisition modules allocated to the batteries.
Preferably, when the battery does not need to activate the nuclear capacity, further judging whether the battery needs to be balanced, and the steps further include:
when the storage battery needs to be balanced, selecting the battery needing to be balanced for balancing;
when the storage battery does not need to be balanced, further judging whether the internal resistance needs to be tested.
Preferably, when the storage battery needs to be balanced, after selecting the battery needing to be balanced for balancing, the steps further include:
judging whether all the batteries needing to be balanced are balanced;
when all the batteries needing to be balanced are not balanced, continuing to complete balancing until all the batteries needing to be balanced are balanced;
and when all the batteries needing to be balanced are balanced, ending.
Preferably, when the storage battery does not need to be balanced, further judging whether the internal resistance needs to be tested, and the steps further comprise:
when the battery needs to be tested for internal resistance, selecting the battery needing to be tested for internal resistance testing;
when the battery does not need to test the internal resistance, the battery is directly ended.
Preferably, when the battery needs to be tested for internal resistance, after selecting the battery needing to be tested for internal resistance testing, the steps further include:
judging whether all batteries needing to be tested for internal resistance are subjected to internal resistance testing or not;
when all the batteries needing to be tested for internal resistance do not complete the internal resistance test, continuing to complete the internal resistance test until all the batteries needing to be tested for internal resistance complete the internal resistance test;
when all the batteries needing to be tested for internal resistance are tested for internal resistance, the test is directly finished.
The beneficial effects of the invention are as follows: the method comprises the following steps: initializing target data, wherein the target data is based on data acquired by an acquisition module, a direct current bus and alternating current; step two: judging whether the storage battery needs to activate the nuclear capacity or not; step three: when the storage battery needs to activate the nuclear capacity, further judging whether the activation nuclear capacity condition is met; step four: when the activation nuclear capacity condition is met, the main circuit breaker of the storage battery is disconnected, the storage battery is discharged, and the storage battery charger does not charge the storage battery; step five: activating the nuclear capacity of the storage battery; step six: when the storage battery does not need to activate the nuclear capacity, further judging whether the storage battery needs to be balanced or not; on the premise of ensuring that the direct-current power supply system normally supplies power to a load, the functions of activating and discharging, capacity checking, internal resistance testing, pulse sulfur removal and balancing of the storage battery are realized in a manual or automatic mode, so that the storage battery is ensured to reach the expected service life, the stability of the power supply system is improved, and meanwhile, the manpower and energy consumption is greatly reduced.
Drawings
Fig. 1 is a schematic flow chart of a method for activating and repairing a storage battery.
Fig. 2 is another flow chart of a battery activation nuclear capacity and repair method.
Fig. 3 is another flow chart of a battery activation nuclear capacity and repair method.
Fig. 4 is a schematic diagram of a detection and repair device for an activation nuclear capacity and repair method of a storage battery.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The following describes in detail the implementation of the present invention in connection with specific embodiments:
embodiment one:
fig. 1 shows a schematic flow chart of a method for activating and repairing a storage battery according to an embodiment of the present invention, and for convenience of explanation, only the portions related to the embodiment of the present invention are shown, which are described in detail below:
in step S101, initializing target data, where the target data is based on data acquired by the acquisition module, the dc bus, and the ac power;
in step S102, it is determined whether the battery needs to activate the capacity;
in step S103, when the storage battery needs to activate the nuclear capacity, further judging whether the activation nuclear capacity condition is satisfied;
in step S104, when the active nuclear capacity condition is satisfied, the main breaker of the battery is turned off, the battery is discharged, and the battery charger does not charge the battery;
preferably, after opening the battery main breaker, the step further includes:
and selecting the storage battery needing to be activated for nuclear capacity based on the address code corresponding to the acquisition module matched with the storage battery.
In step S105, the battery is activated to form a core capacity;
through manual or periodic automatic activation nuclear capacity function, can maintain the battery more intelligently, reach the technical effect that prolongs battery life, improve power supply equipment power supply reliability.
In the embodiment, when the active nuclear capacity is activated, the active nuclear capacity is discharged by utilizing the self-load of the bus of the system without manual participation or external discharge load and setting the period manually or at a fixed time by software, so that the technical effects of greatly reducing manpower and energy consumption are achieved.
Preferably, the battery is subjected to an activation nuclear capacity, and the steps include:
when the activation nuclear capacity starts, recording the voltage value and the current value of a single-section storage battery;
when the alternating current input voltage is monitored to be normal, the nuclear capacity is continuously activated;
when the abnormality of the alternating current input voltage is detected, the activation of the nuclear capacity is ended, and the main breaker is attracted.
Further, when the ac input voltage is detected to be abnormal, the activating nuclear capacity is ended, and after the main breaker is closed, the steps further include:
the monitoring host is used for taking electricity from the direct current bus to charge the low-voltage storage battery;
judging whether all the battery voltages reach balance;
when all the battery voltages do not reach the balance, the low-voltage storage battery is continuously charged;
when all the battery voltages reach equilibrium, charging is ended.
Preferably, at the beginning of the activation of the nuclear capacity, the voltage value and the current value of the single-section storage battery are recorded, and the steps comprise:
discharging the direct current bus by adjusting the DC-DC of the monitoring host, so that the single-section storage battery discharges according to 0.1C;
during the discharging process of the single storage battery, the voltage value, the discharging current value and the pole temperature value of the battery are recorded every minute.
Preferably, after recording the battery voltage value, the discharge current value, and the post temperature value once per minute during the discharging of the battery, the steps further include:
and calculating the SOH of the single storage battery and storing a battery discharge curve according to the single storage battery voltage value, the discharge current value and the pole temperature value recorded in the process of activating the nuclear capacity discharge and the set single storage battery ampere hour number and the discharge voltage cut-off point.
Through the early warning function, when the internal resistance, voltage, temperature and the like of the battery are abnormal, the device can early warn in advance, so that a user can replace the battery pack in time in advance, and the technical effect of avoiding accidents is achieved.
Preferably, after calculating the state of health SOH of the battery and storing the battery discharge curve, the steps further include:
the method comprises the steps of charging a single storage battery and pulse sulfur removal, and pulse activation is carried out on the storage battery with increased deteriorated internal resistance through the pulse sulfur removal charging of the storage battery, so that the internal resistance of the storage battery is reduced, the deteriorated storage battery is effectively repaired, and the technical effect of prolonging the service life of the storage battery is achieved.
Preferably, after the single-cell battery charge and pulse sulfur removal, the steps further comprise:
judging whether all the batteries are activated and the charging is completed;
when all the battery activation nuclear capacity and charging are completed, ending the activation nuclear capacity and sucking the main breaker;
and when all the batteries are not complete in activation core capacity and charging, continuously selecting the batteries needing to be subjected to activation core capacity based on the address codes corresponding to the acquisition modules allocated to the batteries.
Preferably, when the battery does not need to activate the nuclear capacity, further judging whether the battery needs to be balanced, and the steps further include:
when the storage battery needs to be balanced, selecting the battery needing to be balanced for balancing;
when the storage battery does not need to be balanced, further judging whether the internal resistance needs to be tested.
Preferably, when the storage battery needs to be balanced, after selecting the battery needing to be balanced for balancing, the steps further include:
judging whether all the batteries needing to be balanced are balanced;
when all the batteries needing to be balanced are not balanced, continuing to complete balancing until all the batteries needing to be balanced are balanced;
and when all the batteries needing to be balanced are balanced, ending.
In this embodiment, through the battery equalization function, the voltage of each battery is monitored in real time, and the battery voltages are equalized, so that the technical effect of system reliability problem caused by rapid degradation of battery performance due to overcharge of single batteries generated by battery inconsistency is avoided.
In step S106, when the battery does not need to activate the capacity, it is further determined whether the battery needs to be balanced.
Preferably, when the battery does not need to activate the nuclear capacity, further judging whether the battery needs to be balanced, and the steps further include:
when the storage battery needs to be balanced, selecting the battery needing to be balanced for balancing;
when the storage battery does not need to be balanced, further judging whether the internal resistance needs to be tested.
Preferably, when the storage battery needs to be balanced, after selecting the battery needing to be balanced for balancing, the steps further include:
judging whether all the batteries needing to be balanced are balanced;
when all the batteries needing to be balanced are not balanced, continuing to complete balancing until all the batteries needing to be balanced are balanced;
and when all the batteries needing to be balanced are balanced, ending.
In this embodiment, through the battery equalization function, the voltage of each battery is monitored in real time, and the battery voltages are equalized, so that the technical effect of system reliability problem caused by rapid degradation of battery performance due to overcharge of single batteries generated by battery inconsistency is avoided.
Preferably, when the storage battery does not need to be balanced, further judging whether the internal resistance needs to be tested, and the steps further comprise:
when the battery needs to be tested for internal resistance, selecting the battery needing to be tested for internal resistance testing;
when the battery does not need to test the internal resistance, the battery is directly ended.
Preferably, when the battery needs to be tested for internal resistance, after selecting the battery needing to be tested for internal resistance testing, the steps further include:
judging whether all batteries needing to be tested for internal resistance are subjected to internal resistance testing or not;
when all the batteries needing to be tested for internal resistance do not complete the internal resistance test, continuing to complete the internal resistance test until all the batteries needing to be tested for internal resistance complete the internal resistance test;
when all the batteries needing to be tested for internal resistance are tested for internal resistance, the test is directly finished.
Those of ordinary skill in the art will appreciate that all or a portion of the steps in implementing the methods of the above embodiments may be implemented by a program to instruct related hardware, where the program may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc.
Embodiment two:
fig. 2 is another flow chart of a method for activating and repairing a storage battery according to a second embodiment of the present invention, and for convenience of explanation, only the portions related to the second embodiment of the present invention are shown, and the details are as follows:
s1: initializing power-on data of equipment; and initializing relevant data such as an acquisition module, a direct current bus, alternating current and the like after the equipment is electrified.
S2: judging whether activation and capacity checking are needed, if yes, executing step S3; if not, executing step S11; the activation nuclear capacity of the storage battery can be manually triggered, and a timing period can also be set; the activation nuclear capacity time period can be set, and the longest time period is 2 years, and is generally 180 days.
S3: judging whether an activation and capacity checking condition is met; if so, executing step S4, namely, the equipment self-checking is normal, the alternating current is normal and the storage battery is full; if not, executing step S17; if the storage battery is not full, the direct current bus is used for supplying electricity to the storage battery.
S4: the breaker for disconnecting the positive electrode of the storage battery to the direct current bus only allows the storage battery to discharge the direct current bus through the power diode, and does not allow the storage battery charger on the bus to charge the storage battery.
S5: and selecting a storage battery (single section) with a required activated nuclear capacity, and starting from the position of the most front of the address code of the acquisition module allocated to the storage battery.
S6: starting an activation nuclear capacity, and recording voltage and current data of a storage battery; the storage battery is discharged according to 0.1C by adjusting the discharge current of the DC-DC of the monitoring host to the DC bus. And recording data such as battery voltage, discharge current, pole temperature and the like once every minute in the discharging process.
S7: and (3) completing the activation nuclear capacity of the battery, calculating the state of health SOH of the battery according to the battery voltage, discharge current, temperature and other data recorded in the discharge process of the activation nuclear capacity and the set safety time number and discharge voltage cut-off point of the battery, and storing the discharge curve of the battery. If the nuclear capacity timing duration H1 is activated, the state of health SOH of the storage battery is calculated by using H1/10 x 100%.
S8: the accumulator is charged and pulse desulphurized.
S9: if yes, executing step S10; if not, step S5 is performed. The SOH of the whole battery pack is calculated by the SOH of all the batteries, and the SOH of the battery pack depends on the SOH of the worst battery.
S10: ending the activation nuclear capacity and attracting the main breaker; after the activation nuclear capacity is completed, a short-circuiting device for sucking the positive electrode of the storage battery pack and the positive electrode of the direct current bus is adopted; step S17 is then performed.
S11: judging whether the storage battery needs to be balanced or not; if yes, go to step S12; if not, executing step S14; the acquisition module equipped with each storage battery gives parameters such as the voltage of the battery to the monitoring host, and the monitoring host acquires, calculates and compares the voltages of all the batteries to determine whether the storage batteries need to be balanced; if the voltage of the storage battery is higher, discharging the storage battery through the bidirectional DC-DC function of the monitoring host until the voltage of the storage battery is consistent with the voltage of other storage batteries; if the battery voltage is low, the battery is charged until the battery voltage is consistent with other battery voltages.
S12: selecting storage batteries to be balanced for balancing; the monitoring host processes the collected battery voltage, controls a power relay in the collection module, selects a storage battery to be balanced, and only performs balanced operation on one storage battery at a time; and selecting storage batteries which need to be balanced, and carrying out balanced operation on only one storage battery at a time.
S13: judging whether all equalization is completed; if yes, go to step S17; if not, step S12 is performed.
S14: judging whether the storage battery needs to test internal resistance; if yes, executing step S15; if not, step S17 is performed. The internal resistance test function is arranged on an acquisition module of the storage battery, and the internal resistance test can be triggered manually or set with a timing period. The internal resistance test time period can be set, and the maximum time period is 30, and is generally defaulted to 1 day.
S15: selecting a storage battery with internal resistance to be tested for internal resistance test; the internal resistance test operation can be carried out on one storage battery or a plurality of storage batteries at each time; and uploading the internal resistance test result to a monitoring host for maintenance.
S16: judging whether all internal resistance tests are completed; if yes, go to step S17; if not, step S15 is performed.
S17: and (5) ending.
Embodiment III:
fig. 3 is another flow chart of a method for activating and repairing a storage battery according to a third embodiment of the present invention, for convenience of explanation, only the portions related to the third embodiment of the present invention are shown, including:
h1: the activation core volume begins.
H2: judging whether all alternating current inputs are normal or not; if yes, executing the step H3; if not, executing step H4. The monitoring host monitors the state of the alternating current input voltage in real time.
And H3: continuing to activate the nuclear capacity; and if the alternating current input voltage is normal, activating the nuclear capacity.
H4: and (5) ending the activation nuclear capacity and attracting the main breaker. If the AC input fails, the DC bus charger stops supplying power to the bus load, and then the activation of the nuclear capacity is required to be stopped immediately, the main breaker is attracted, and the storage battery supplies power to the DC bus load.
And H5: charging the low voltage battery; because a part of electricity is discharged from a storage battery in the process of activating the nuclear capacity, the voltage of the battery is lower, and at the moment, the storage battery can be charged by taking electricity from a bus through a monitoring host, and the charging current is larger than the discharging current. The electric quantity of other storage batteries is used for supplementing the storage batteries, so that the effect of balancing the voltages of all the storage batteries is achieved, and overdischarge of one storage battery is avoided.
H6: judging whether the voltage of the storage battery is balanced or not; if yes, executing the step H7; if not, executing step H5. The acquisition module equipped with each storage battery gives parameters such as the voltage of the battery to the monitoring host, and the monitoring host carries out acquisition ratio operation comparison on the voltages of all the batteries to determine whether the storage batteries need to be charged or not until the voltages of all the storage batteries are consistent.
H7: ending the charging; and if all the storage battery voltages are balanced, ending the balanced charging of the storage batteries.
H8: ending; and ending the abnormal processing of the activation kernel volume.
Embodiment four:
fig. 4 is a schematic diagram of a detection and repair device for a battery activation core capacity and repair method according to a third embodiment of the present invention, for convenience of explanation, only a portion related to the embodiment of the present invention is shown, where the detection and repair device includes:
1. the working principle of the activation nuclear capacity is as follows:
1.1. meets the activation nuclear capacity condition: the commercial power is normal, the battery is normal (temperature), and the bus voltage is normal;
1.2. the positive electrode of the storage battery pack is disconnected from the direct current bus by the direct current breaker which controls the electrified operation through the monitoring host;
1.3. each battery is operated in turn as follows:
the method comprises the steps of selecting (switching) - > charging (full) - > constant current discharging (emptying) - > charging- > pulse sulfur removal;
1.4. and (5) assembling the battery into a system (closing a direct current operation switch) to activate the nuclear capacity.
2. System functions:
2.1. detecting the voltage of a single battery;
the system monitors each section of single voltage so as to prevent the single voltage from exceeding the limit and judge voltage balance logic;
2.2. detecting the charge and discharge current of a single cell;
detecting the charge and discharge current of the single battery, reflecting the analysis of a relevant curve, and knowing the health condition of the storage battery;
2.3. detecting the total voltage of the battery pack;
detecting the total voltage of the battery pack so as to prevent the overcharge or overdischarge of the system battery;
2.4. temperature detection (battery/environment);
the temperature of the battery is detected, the real change in the battery is reflected, and the battery with thermal runaway can be known in time;
2.5. testing internal resistance;
automatically and regularly measuring the internal resistance of each battery, automatically analyzing the variation trend of each battery, and giving out early warning to the bad battery;
2.6. equalizing the batteries;
the battery voltage can be balanced automatically or manually, so that the voltages tend to be consistent;
2.7. on-line automatic/manual capacity check;
the system can carry out the capacity checking on the storage battery remotely or manually in situ, and can also set a time period to carry out automatic capacity checking on the storage battery, so that a complex manual capacity checking process is avoided, the accuracy and the safety are improved in the automatic capacity checking process, and meanwhile, a user can know the health condition of the storage battery in real time conveniently;
2.8. on-line automatic/manual activation;
the system can manually activate the storage battery in situ or remotely, and can also set a floating charge period to automatically activate the storage battery, so that the system is truly maintenance-free and the service life of the storage battery is greatly prolonged;
2.9. pulse desulfurizing;
in the battery charging process, the battery with larger internal resistance is subjected to pulse sulfur removal charging according to the internal resistance condition of the battery, so that the battery has stronger chemical capability, the internal resistance of the battery is reduced, and the vulcanization of the battery is eliminated;
2.10. early warning/fault warning/warning record/operation record/activation curve: overrun of internal resistance, overrun of voltage, overrun of temperature, overrun of voltage average difference value and the like;
when the internal resistance, voltage, temperature and the like of the battery are abnormal, the device can early warn in advance, so that a user can replace the battery pack in advance in time, accidents are avoided, the system can carry out relevant records on operation, alarming and activation, the inquiry and the tracing of problems are facilitated, and further the working efficiency is improved;
2.11. human-machine interface: 7 inch (4U) touch screen display, USB interface.
And the USB interface is convenient for copying various alarm data and relevant health curves of the battery state, so that operation and maintenance personnel can conveniently inquire and trace.
Those of ordinary skill in the art will appreciate that the elements and algorithm steps of the embodiments described in connection with the embodiments disclosed herein can be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution.
Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention. The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily appreciate variations or alternatives within the scope of the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (9)
1. The method for activating and repairing the storage battery is characterized by comprising the following steps of:
step one: initializing target data, wherein the target data is based on data acquired by an acquisition module, a direct current bus and alternating current;
step two: judging whether the storage battery needs to activate the nuclear capacity or not;
step three: when the storage battery needs to activate the nuclear capacity, further judging whether the activation nuclear capacity condition is met;
step four: when the activation nuclear capacity condition is met, the main circuit breaker of the storage battery is disconnected, the storage battery with the activation nuclear capacity required is selected based on the address code corresponding to the acquisition module allocated to the storage battery, the storage battery is discharged, and the storage battery charger does not charge the storage battery;
step five: activating the nuclear capacity of the storage battery; when the activation nuclear capacity starts, recording the voltage value and the current value of a single-section storage battery; according to the single-battery voltage value, the discharge current value and the pole temperature value recorded in the process of activating nuclear capacity discharge, calculating the state of health SOH of the single-battery and storing a battery discharge curve by matching with the set single-battery ampere hour number and the discharge voltage cut-off point; the internal resistance, voltage and temperature of the battery can be detected at any time according to the state of health SOH of a single battery and the discharging curve of the battery; when the alternating current input voltage is monitored to be normal, the nuclear capacity is continuously activated; when the abnormality of the alternating current input voltage is detected, ending the activation of the nuclear capacity and attracting the main circuit breaker;
when the abnormality of the alternating current input voltage is detected, the activation nuclear capacity is ended, and after the main breaker is attracted, the steps further comprise:
the monitoring host is used for taking electricity from the direct current bus to charge the low-voltage storage battery;
judging whether all the battery voltages reach balance;
when all the battery voltages do not reach the balance, the low-voltage storage battery is continuously charged;
when all the battery voltages reach balance, ending charging;
step six: when the storage battery does not need to activate the nuclear capacity, whether the storage battery needs to be balanced is further judged.
2. The method for activating and repairing a battery according to claim 1, wherein the step of recording a voltage value and a current value of a single battery at the beginning of the activation of the battery comprises:
discharging the direct current bus by adjusting the DC-DC of the monitoring host, so that the single-section storage battery discharges according to 0.1C;
during the discharging process of the single storage battery, the voltage value, the discharging current value and the pole temperature value of the battery are recorded every minute.
3. The method for activating and repairing a battery according to claim 2, wherein after recording a battery voltage value, a discharge current value, and a post temperature value once every minute during the discharging of the battery, the steps further comprise:
and calculating the SOH of the single storage battery and storing a battery discharge curve according to the single storage battery voltage value, the discharge current value and the pole temperature value recorded in the process of activating the nuclear capacity discharge and the set single storage battery ampere hour number and the discharge voltage cut-off point.
4. The method for activating and repairing a battery according to claim 3, wherein after calculating the SOH state of health of the battery and storing the battery discharge curve, the steps further comprise:
and (5) charging a single-section storage battery and carrying out pulse sulfur removal.
5. The method for activating and repairing a battery according to claim 4, wherein after the single-cell battery is charged and pulse desulphurized, the steps further comprise:
judging whether all the batteries are activated and the charging is completed;
when all the battery activation nuclear capacity and charging are completed, ending the activation nuclear capacity and sucking the main breaker;
and when all the batteries are not complete in activation core capacity and charging, continuously selecting the batteries needing to be subjected to activation core capacity based on the address codes corresponding to the acquisition modules allocated to the batteries.
6. The method for activating and repairing a battery according to claim 5, wherein when the battery does not need an activating capacity, further determining whether the battery needs equalization, the steps further comprising:
when the storage battery needs to be balanced, selecting the battery needing to be balanced for balancing;
when the storage battery does not need to be balanced, further judging whether the internal resistance needs to be tested.
7. The method for activating and repairing a battery according to claim 6, wherein when the battery needs to be balanced, after selecting the battery to be balanced for balancing, the steps further comprise:
judging whether all the batteries needing to be balanced are balanced;
when all the batteries needing to be balanced are not balanced, continuing to complete balancing until all the batteries needing to be balanced are balanced;
and when all the batteries needing to be balanced are balanced, ending.
8. The method for activating and repairing a battery according to claim 6, wherein when the battery does not need equalization, further determining whether the internal resistance of the battery needs to be tested, the method further comprising:
when the battery needs to be tested for internal resistance, selecting the battery needing to be tested for internal resistance testing;
when the battery does not need to test the internal resistance, the battery is directly ended.
9. The method for activating and repairing a battery according to claim 8, wherein when the battery needs to be tested for internal resistance, after selecting the battery that needs to be tested for internal resistance testing, the steps further comprise:
judging whether all batteries needing to be tested for internal resistance are subjected to internal resistance testing or not;
when all the batteries needing to be tested for internal resistance do not complete the internal resistance test, continuing to complete the internal resistance test until all the batteries needing to be tested for internal resistance complete the internal resistance test;
when all the batteries needing to be tested for internal resistance are tested for internal resistance, the test is directly finished.
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| CN114137427B (en) * | 2021-10-25 | 2024-03-22 | 深圳蓝信电气有限公司 | Method for automatically checking capacity of single storage battery in storage battery pack |
| CN114361621B (en) * | 2022-03-18 | 2022-07-08 | 广东电网有限责任公司东莞供电局 | Battery management module of storage battery, method and device thereof, and storage medium |
| CN115208019A (en) * | 2022-07-22 | 2022-10-18 | 珠海冠宇电源有限公司 | Battery activation method and device, electronic equipment and storage medium |
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