CN113671398A - Storage battery internal resistance real-time monitoring device and monitoring method thereof - Google Patents
Storage battery internal resistance real-time monitoring device and monitoring method thereof Download PDFInfo
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Abstract
The invention discloses a real-time monitoring device and a monitoring method for internal resistance of a storage battery, which comprises the following steps: the control terminal is used for controlling each element in the storage battery internal resistance real-time monitoring device in real time according to the real-time operation instruction of an operator, receiving the real-time data detected by each element in the storage battery internal resistance real-time monitoring device and sending a corresponding maintenance instruction according to the detection data, the invention can accurately calculate the internal resistance value of the storage battery pack while the storage battery pack discharges, calculate the current health state of the storage battery pack according to the ratio of internal resistance change by arranging the battery collector to be matched with the internal resistance testing unit, and simultaneously control the auxiliary power supply to charge the storage battery pack by using the maintenance module by matching with the battery monitoring and maintenance unit, thereby leading the voltages of all single batteries of the storage battery pack used on line to tend to be consistent, ensuring that the capacity of each single battery can be fully charged, and prolonging the service life of the storage battery, is beneficial to practical application.
Description
Technical Field
The invention belongs to the field of storage battery monitoring, and particularly relates to a storage battery internal resistance real-time monitoring device and a monitoring method thereof.
Background
In the prior art, a substation direct-current operation power supply system is an important component for ensuring safe and stable operation of substation equipment, uninterrupted power supply is provided for loads when alternating current power fails, a storage battery pack is one of key equipment of the substation direct-current operation power supply system, the capacity of the storage battery presents an increasing state along with the improvement of the grade of a substation, the cost of the storage battery also presents an increasing curve, the cost proportion of the storage battery pack in the whole set of equipment is far greater than the cost proportion of a rectification power supply, and along with the popularization and construction of intelligent substation technology and an unattended substation, the realization of effective remote maintenance and management of the direct-current operation power supply system and the storage battery thereof becomes a problem which needs to be solved urgently at present, and the real-time monitoring of the internal resistance of the storage battery is an important task in the maintenance and management process.
However, when the existing storage battery internal resistance real-time monitoring device is used, internal resistance evaluation and monitoring can only be simply performed on the storage battery pack of the transformer substation, so that the accuracy of a monitoring result is poor, and the health state of the storage battery pack at the moment can not be evaluated in time according to the internal resistance monitoring result, so that the storage battery pack can not be maintained in time, and the actual application is not facilitated.
The invention content is as follows:
the present invention is directed to provide a device and a method for monitoring internal resistance of a storage battery in real time to solve the above problems, and solve the problems mentioned in the background art.
In order to solve the above problems, the present invention provides a technical solution:
the utility model provides a battery internal resistance real-time supervision device, includes:
the control terminal is used for controlling each element in the storage battery internal resistance real-time monitoring device in real time according to the real-time operation instruction of an operator, receiving real-time data detected by each element in the storage battery internal resistance real-time monitoring device and sending a corresponding maintenance instruction according to the detected data;
the storage battery pack is used for providing a direct-current operating power supply for the transformer substation;
the battery collector is used for monitoring the terminal voltage of each battery of the storage battery pack, the temperature and the humidity of the machine room and calculating the internal resistance value of the storage battery pack according to the discharge condition of the storage battery pack;
the battery monitoring and maintaining unit is used for maintaining the single battery of the storage battery pack according to the internal resistance value of the storage battery pack calculated by the battery collector;
the running state monitoring unit is used for monitoring the running state of the storage battery pack;
and the internal resistance testing unit is used for controlling the storage battery pack to discharge and is matched with the battery collector to calculate the internal resistance value of the storage battery pack.
Preferably, the battery collector, the battery monitoring and maintaining unit, the operation state monitoring unit and the internal resistance testing unit are all in bidirectional electrical connection with the control terminal, the battery collector, the battery monitoring and maintaining unit, the operation state monitoring unit and the internal resistance testing unit are all in bidirectional electrical connection with the storage battery pack, and the output end of the battery collector is electrically connected with the input end of the internal resistance testing unit.
Preferably, the operation state monitored by the operation state monitoring unit includes a storage battery pack terminal voltage, a direct current bus positive electrode ground voltage, and a direct current bus negative electrode ground voltage.
Preferably, a Central Processing Unit (CPU), a Random Access Memory (RAM), a bus light isolation interface, a power supply and an A/D interface are arranged in the battery collector;
the central processing unit CPU is used for controlling the operation inside the battery collector according to the received control instruction;
the random access memory RAM is used for writing or storing data acquired and calculated by the battery collector;
the bus light isolation interface is used for providing a communication connection interface for the battery collector;
the power supply is used for supplying power to the battery collector;
and the A/D interface is used for converting the received analog signals into digital signals and transmitting the digital signals to the interior of the central processing unit CPU.
Preferably, the random access memory RAM, the bus light isolation interface, the power supply and the A/D interface are electrically connected with the central processing unit CPU.
Preferably, the battery monitoring and maintaining unit comprises a first maintaining module, a second maintaining module, a detecting module and a maintaining host;
the maintenance host is used for circularly acquiring signals input by each signal interface, calculating and storing the signals, and sending all the acquired and stored data in a serial mode to finish real-time data transmission;
the first maintenance module and the second maintenance module are used for charging and maintaining the single battery corresponding to the storage battery pack;
the detection module is used for detecting the total current and the total voltage of the storage battery pack of the module.
Preferably, the first maintenance module, the second maintenance module and the detection module are electrically connected with a maintenance host, and the maintenance host and the control terminal keep real-time data intercommunication through the internet.
A monitoring method of a storage battery internal resistance real-time monitoring device comprises the following steps:
s1, monitoring the running state of the storage battery pack in real time through the running state monitoring unit, wherein the running state monitoring unit comprises the voltage at the end of the storage battery pack, the voltage of a direct current bus, the voltage to ground of the positive pole of the direct current bus and the voltage to ground of the negative pole of the direct current bus, and simultaneously transmitting the monitored data to the control terminal in real time;
s2, when the resistance value in the storage battery pack needs to be monitored, a control instruction is transmitted to the battery collector through the control terminal, then the battery collector sends a remote control command, the internal resistance test unit starts to work to discharge the storage battery pack, the internal resistance value of the storage battery pack is calculated by the battery collector according to the discharge data, and meanwhile, the battery collector transmits the calculated data to the control terminal;
s3, the control terminal receives the internal resistance value data calculated by the battery collector, calculates the state of health (SOH) of the storage battery pack according to a state of health calculation formula, and then sends a control instruction to the battery monitoring and maintaining unit according to the calculation result;
and S4, the battery monitoring and maintaining unit controls the detection module to monitor the total current and the total voltage of the storage battery pack according to the received control instruction, then controls the first maintenance module and the second maintenance module to work according to the monitoring result, and controls the auxiliary power supply to charge the corresponding storage battery single section respectively.
Preferably, the health state calculation formula in step S3 is:
SOH＝(REOL-R)/(REOL-Rnew) Wherein R isEOLIs the internal resistance at the end of the battery life, RnewThe initial internal resistance of the battery just put into operation, and R is the internal resistance actually measured by the battery in the current state.
The invention has the beneficial effects that: the invention can accurately calculate the internal resistance value of the storage battery pack while the storage battery pack discharges by arranging the battery collector and the internal resistance test unit to be matched with each other, calculates the health state of the storage battery pack at the moment by the ratio of internal resistance changes, and controls the auxiliary power supply to charge the storage battery pack by using the maintenance module by matching with the battery monitoring and maintenance unit, so that the voltages of all single batteries of the storage battery pack used on line tend to be consistent, the capacity of each single battery can be fully charged, the service life of the storage battery is prolonged, and the invention is favorable for practical application.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic diagram of the overall structure of a real-time monitoring device for the internal resistance of a storage battery according to the invention;
FIG. 2 is a schematic block diagram of a battery collector of the present invention;
fig. 3 is a schematic block diagram of a battery monitoring and maintenance unit according to the present invention.
In the figure: 1. a control terminal; 2. a battery pack; 3. a battery collector; 4. a battery monitoring and maintaining unit; 5. an operation state monitoring unit; 6. an internal resistance testing unit.
The specific implementation mode is as follows:
as shown in fig. 1 to 3, the following technical solutions are adopted in the present embodiment:
example (b):
the utility model provides a battery internal resistance real-time supervision device, includes:
the control terminal 1 is used for controlling each element in the storage battery internal resistance real-time monitoring device in real time according to a real-time operation instruction of an operator, receiving real-time data detected by each element in the storage battery internal resistance real-time monitoring device and sending a corresponding maintenance instruction according to the detected data;
the storage battery pack 2 is used for providing a direct-current operation power supply for the transformer substation;
the battery collector 3 is used for monitoring the terminal voltage of each battery of the storage battery pack 2, the temperature and the humidity of a machine room and calculating the internal resistance value of the storage battery pack according to the discharging condition of the storage battery pack 2;
the battery monitoring and maintaining unit 4 is used for maintaining the single battery of the storage battery pack 2 according to the internal resistance value of the storage battery pack 2 calculated by the battery collector 3;
an operation state monitoring unit 5 for monitoring an operation state of the battery pack 2;
the internal resistance testing unit 6 is used for controlling the storage battery pack 2 to discharge and calculating the internal resistance value of the storage battery pack 2 by matching with the battery collector 3;
the control terminal 1, the storage battery pack 2, the battery collector 3, the battery monitoring and maintaining unit 4, the running state monitoring unit 5 and the internal resistance testing unit 6 are arranged to jointly form a storage battery internal resistance real-time monitoring device, and meanwhile, the control terminal 1 is used for better controlling the whole device.
The battery collector 3, the battery monitoring and maintaining unit 4, the running state monitoring unit 5 and the internal resistance testing unit 6 are all in bidirectional electrical connection with the control terminal 1, so that the overall operation of the equipment is better ensured; the battery collector 3, the battery monitoring and maintaining unit 4, the running state monitoring unit 5 and the internal resistance testing unit 6 are electrically connected with the storage battery pack 2 in a bidirectional way, and the storage battery pack 2 is convenient for better supplying power to the whole equipment; the output end of the battery collector 3 is electrically connected with the input end of the internal resistance testing unit 6, so that data intercommunication between the battery collector 3 and the internal resistance testing unit 6 is better guaranteed.
The operation state monitored by the operation state monitoring unit 5 includes the voltage of the terminal of the storage battery pack 2, the voltage of the direct-current bus, the voltage of the positive electrode of the direct-current bus to the ground, and the voltage of the negative electrode of the direct-current bus to the ground, so that the monitoring range of the operation state monitoring unit 5 can be better ensured.
The battery collector 3 is internally provided with a central processing unit CPU, a random access memory RAM, a bus light isolation interface, a power supply and an A/D interface, so that the normal operation and data transmission of the battery collector 3 can be better ensured;
the central processing unit CPU is used for controlling the operation inside the battery collector 3 according to the received control instruction;
the random access memory RAM is used for writing or storing data acquired and calculated by the battery collector 3;
the bus light isolation interface is used for providing a communication connection interface for the battery collector 3;
the power supply is used for supplying power to the battery collector 3;
and the A/D interface is used for converting the received analog signals into digital signals and transmitting the digital signals to the interior of the central processing unit CPU.
The RAM, the bus light isolation interface, the power supply and the A/D interface are electrically connected with the CPU, so that the RAM, the bus light isolation interface, the power supply and the A/D interface can be better controlled by the CPU.
The battery monitoring and maintaining unit 4 comprises a first maintaining module, a second maintaining module, a detecting module and a maintaining host, so that the battery monitoring and maintaining unit 4 can be formed better;
the maintenance host is used for circularly acquiring signals input by each signal interface, calculating and storing the signals, and sending all the acquired and stored data in a serial mode to finish real-time data transmission;
the first maintenance module and the second maintenance module are used for charging and maintaining the single battery corresponding to the storage battery pack 2;
the detection module is used for detecting the total current and the total voltage of the storage battery pack 2, and the first maintenance module, the second maintenance module and the detection module are matched with each other, so that double work of detection and maintenance can be better completed.
The first maintenance module, the second maintenance module and the detection module are electrically connected with the maintenance host, the maintenance host and the control terminal 1 keep real-time data intercommunication through the internet, and the maintenance host can be used for observing and controlling the whole equipment better.
A monitoring method of a storage battery internal resistance real-time monitoring device comprises the following steps:
s1, monitoring the running state of the storage battery pack 2 in real time through the running state monitoring unit 5, wherein the running state monitoring unit 5 monitors the voltage of the storage battery pack 2 end, the voltage of a direct current bus anode to ground and the voltage of a direct current bus cathode to ground, and simultaneously transmits the monitored data to the control terminal 1 in real time;
s2, when the resistance value in the storage battery pack 2 needs to be monitored, the control terminal 1 transmits a control instruction to the battery collector 3, then the battery collector 3 sends a remote control command, the internal resistance test unit 6 starts to work to discharge the storage battery pack 2, then the battery collector 3 calculates the internal resistance value of the storage battery pack 2 according to the discharge data, and meanwhile, the battery collector 3 transmits the calculated data to the control terminal 1;
s3, the control terminal 1 receives the internal resistance value data calculated by the battery collector 3, calculates the state of health (SOH) of the storage battery pack 2 according to a state of health calculation formula, and then sends a control instruction to the battery monitoring and maintaining unit 4 according to the calculation result;
and S4, the battery monitoring and maintaining unit 4 controls the detection module to monitor the total current and the total voltage of the storage battery pack 2 according to the received control instruction, then controls the first maintenance module and the second maintenance module to work according to the monitoring result, and controls the auxiliary power supply to charge the corresponding storage battery single section respectively.
Wherein the health state calculation formula in step S3 is:
SOH＝(REOL-R)/(REOL-Rnew) Wherein R isEOLIs the internal resistance at the end of the battery life, RnewThe initial internal resistance of the battery just put into operation is R, which is the internal resistance actually measured by the battery in the current state, so that the internal resistance of the storage battery can be better calculated and monitored in real time, and meanwhile, the corresponding maintenance operation can be better carried out according to the monitoring result.
Specifically, the method comprises the following steps: in practical application, firstly, the operation state of the storage battery pack 2 is monitored in real time through the operation state monitoring unit 5, wherein the operation state monitoring unit comprises the voltage at the end of the storage battery pack 2, the voltage of a direct current bus, the voltage to ground of the positive electrode of the direct current bus and the voltage to ground of the negative electrode of the direct current bus, meanwhile, the operation state monitoring unit 5 transmits monitored data to the control terminal 1 in real time, each element in the storage battery internal resistance real-time monitoring device is controlled in real time through the control terminal 1 according to a real-time operation instruction of an operator, and meanwhile, real-time data detected by each element in the storage battery internal resistance real-time monitoring device is received, and a corresponding maintenance instruction is sent out according to the detected data; when the resistance value in the storage battery pack 2 needs to be monitored, a control instruction is transmitted to the battery collector 3 through the control terminal 1, then the battery collector 3 sends a remote control command, the internal resistance test unit 6 starts to work to discharge the storage battery pack 2, then the battery collector 3 calculates the internal resistance value of the storage battery pack 2 according to discharge data, monitors the terminal voltage of each battery of the storage battery pack 2 and the temperature and humidity of a machine room, and meanwhile, the battery collector 3 transmits the calculated data to the control terminal 1; the control terminal 1 receives the calculation of the battery collector 3The internal resistance value data calculates the state of health SOH of the battery pack 2 according to a state of health calculation formula, wherein the state of health calculation formula is SOH-REOL-R/REOL-RnewWherein R isEOLIs the internal resistance at the end of the battery life, RnewThe initial internal resistance of the battery just put into operation is defined, R is the internal resistance actually measured by the battery in the current state, then a control instruction is sent to the battery monitoring and maintaining unit 4 according to the calculation result, and the single battery of the storage battery pack 2 is maintained through the battery monitoring and maintaining unit 4; the battery monitoring and maintaining unit 4 controls the detection module to monitor the total current and the total voltage of the storage battery pack 2 according to the received control instruction, then controls the first maintenance module and the second maintenance module to work according to the monitoring result, and controls the auxiliary power supply to charge the corresponding storage battery single section respectively.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a battery internal resistance real-time supervision device which characterized in that includes:
the control terminal (1) is used for controlling each element in the storage battery internal resistance real-time monitoring device in real time according to a real-time operation instruction of an operator, receiving real-time data detected by each element in the storage battery internal resistance real-time monitoring device and sending a corresponding maintenance instruction according to the detected data;
the storage battery pack (2) is used for providing a direct-current operation power supply for the transformer substation;
the battery collector (3) is used for monitoring the terminal voltage of each battery of the storage battery pack (2), the temperature and the humidity of a machine room and calculating the internal resistance value of the storage battery pack according to the discharge condition of the storage battery pack (2);
the battery monitoring and maintaining unit (4) is used for maintaining the single battery of the storage battery pack (2) according to the internal resistance value of the storage battery pack (2) calculated by the battery collector (3);
the running state monitoring unit (5) is used for monitoring the running state of the storage battery pack (2);
and the internal resistance testing unit (6) is used for controlling the storage battery pack (2) to discharge and is matched with the battery collector (3) to calculate the internal resistance value of the storage battery pack (2).
2. The device for monitoring the internal resistance of the storage battery in real time according to claim 1, wherein the battery collector (3), the battery monitoring and maintaining unit (4), the operating state monitoring unit (5) and the internal resistance testing unit (6) are all in bidirectional electrical connection with the control terminal (1), the battery collector (3), the battery monitoring and maintaining unit (4), the operating state monitoring unit (5) and the internal resistance testing unit (6) are all in bidirectional electrical connection with the storage battery pack (2), and the output end of the battery collector (3) is electrically connected with the input end of the internal resistance testing unit (6).
3. The device for monitoring the internal resistance of the storage battery in real time as claimed in claim 1, wherein the operation states monitored by the operation state monitoring unit (5) comprise a voltage at the end of the storage battery pack (2), a voltage at a direct current bus, a voltage to ground at the positive electrode of the direct current bus and a voltage to ground at the negative electrode of the direct current bus.
4. The device for monitoring the internal resistance of the storage battery in real time according to claim 1, wherein a Central Processing Unit (CPU), a Random Access Memory (RAM), a bus light isolation interface, a power supply and an A/D interface are arranged inside the battery collector (3);
the central processing unit CPU is used for controlling the operation inside the battery collector (3) according to the received control instruction;
the random access memory RAM is used for writing or storing data acquired and calculated by the battery collector (3);
the bus light isolation interface is used for providing a communication connection interface for the battery collector (3);
the power supply is used for supplying power to the battery collector (3);
and the A/D interface is used for converting the received analog signals into digital signals and transmitting the digital signals to the interior of the central processing unit CPU.
5. The device according to claim 4, wherein the RAM, the bus light isolation interface, the power supply and the A/D interface are electrically connected with the CPU.
6. The device for monitoring the internal resistance of the storage battery in real time according to claim 1, wherein the battery monitoring and maintaining unit (4) comprises a first maintaining module, a second maintaining module, a detecting module and a maintaining host;
the maintenance host is used for circularly acquiring signals input by each signal interface, calculating and storing the signals, and sending all the acquired and stored data in a serial mode to finish real-time data transmission;
the first maintenance module and the second maintenance module are used for charging and maintaining a single battery corresponding to the storage battery pack (2);
the detection module is used for detecting the total current and the total voltage of the storage battery pack (2).
7. The device for monitoring the internal resistance of the storage battery in real time according to claim 6, wherein the first maintenance module, the second maintenance module and the detection module are electrically connected with a maintenance host, and the maintenance host and the control terminal (1) keep real-time data intercommunication through the internet.
8. The monitoring method of the storage battery internal resistance real-time monitoring device according to any one of claims 1 to 7, characterized by comprising the following steps:
s1, monitoring the running state of the storage battery pack (2) in real time through the running state monitoring unit (5), wherein the monitoring includes the voltage of the terminal of the storage battery pack (2), the voltage of a direct current bus, the voltage of the positive pole of the direct current bus to the ground and the voltage of the negative pole of the direct current bus to the ground, and the running state monitoring unit (5) transmits the monitored data to the control terminal (1) in real time;
s2, when the resistance value in the storage battery pack (2) needs to be monitored, a control instruction is transmitted to the battery collector (3) through the control terminal (1), then the battery collector (3) sends a remote control command, the internal resistance test unit (6) starts to work to discharge the storage battery pack (2), then the battery collector (3) calculates the internal resistance value of the storage battery pack (2) according to the discharge data, and meanwhile, the battery collector (3) transmits the calculated data to the control terminal (1);
s3, the control terminal (1) receives the internal resistance value data calculated by the battery collector (3), calculates the state of health (SOH) of the storage battery pack (2) according to a state of health calculation formula, and then sends a control instruction to the battery monitoring and maintaining unit (4) according to the calculation result;
s4, the battery monitoring and maintaining unit (4) controls the detection module to monitor the total current and the total voltage of the storage battery pack (2) according to the received control instruction, then controls the first maintenance module and the second maintenance module to work according to the monitoring result, and controls the auxiliary power supply to charge the corresponding storage battery single section respectively.
9. The monitoring method of the device for monitoring the internal resistance of the storage battery in real time according to claim 8, wherein the health state calculation formula in the step S3 is as follows:
SOH＝(REOL-R)/(REOL-Rnew) Wherein R isEOLIs the internal resistance at the end of the battery life, RnewThe initial internal resistance of the battery just put into operation, and R is the internal resistance actually measured by the battery in the current state.
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| CN202110978592.4A CN113671398B (en) | 2021-08-25 | Storage battery internal resistance real-time monitoring device and monitoring method thereof |
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| CN202110978592.4A CN113671398B (en) | 2021-08-25 | Storage battery internal resistance real-time monitoring device and monitoring method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114200330A (en) * | 2022-02-16 | 2022-03-18 | 广东电网有限责任公司中山供电局 | Method and device for detecting running condition of storage battery pack |
| CN114236242A (en) * | 2021-11-23 | 2022-03-25 | 广西电网有限责任公司北海供电局 | Accumulator internal resistance tester and testing method based on composite frequency |
| CN116321240A (en) * | 2023-05-25 | 2023-06-23 | 武汉一龙技术有限公司 | Remote oil engine power generation monitoring system of communication base station |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008196853A (en) * | 2007-02-08 | 2008-08-28 | Fuji Electric Systems Co Ltd | Storage battery condition measuring device, storage battery degradation determination method, storage battery degradation determination program |
| WO2009030101A1 (en) * | 2007-08-28 | 2009-03-12 | Shenzhen Vdo Electronics Co. Ltd. | Online passive maintaining device for large capacity sealed lead-acid accumulator |
| CN101635470A (en) * | 2009-08-19 | 2010-01-27 | 王广生 | Quick charger of power-saving storage battery and intelligent charging method |
| CN104198949A (en) * | 2014-09-09 | 2014-12-10 | 上虞安卡拖车配件有限公司 | Battery health state detection method |
| CN104466278A (en) * | 2014-12-10 | 2015-03-25 | 国家电网公司 | Online battery detection, repairing and evaluation method |
| CN209860096U (en) * | 2019-04-01 | 2019-12-27 | 深圳市明电环球科技有限公司 | Intelligent charging detection and maintenance circuit for lithium battery module |
| CN111129625A (en) * | 2020-01-15 | 2020-05-08 | 上海沪臻智能科技有限公司 | Online maintenance system for storage battery |
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008196853A (en) * | 2007-02-08 | 2008-08-28 | Fuji Electric Systems Co Ltd | Storage battery condition measuring device, storage battery degradation determination method, storage battery degradation determination program |
| WO2009030101A1 (en) * | 2007-08-28 | 2009-03-12 | Shenzhen Vdo Electronics Co. Ltd. | Online passive maintaining device for large capacity sealed lead-acid accumulator |
| CN101635470A (en) * | 2009-08-19 | 2010-01-27 | 王广生 | Quick charger of power-saving storage battery and intelligent charging method |
| CN104198949A (en) * | 2014-09-09 | 2014-12-10 | 上虞安卡拖车配件有限公司 | Battery health state detection method |
| CN104466278A (en) * | 2014-12-10 | 2015-03-25 | 国家电网公司 | Online battery detection, repairing and evaluation method |
| CN209860096U (en) * | 2019-04-01 | 2019-12-27 | 深圳市明电环球科技有限公司 | Intelligent charging detection and maintenance circuit for lithium battery module |
| CN111129625A (en) * | 2020-01-15 | 2020-05-08 | 上海沪臻智能科技有限公司 | Online maintenance system for storage battery |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114236242A (en) * | 2021-11-23 | 2022-03-25 | 广西电网有限责任公司北海供电局 | Accumulator internal resistance tester and testing method based on composite frequency |
| CN114200330A (en) * | 2022-02-16 | 2022-03-18 | 广东电网有限责任公司中山供电局 | Method and device for detecting running condition of storage battery pack |
| CN114200330B (en) * | 2022-02-16 | 2022-05-03 | 广东电网有限责任公司中山供电局 | Method and device for detecting running condition of storage battery pack |
| CN116321240A (en) * | 2023-05-25 | 2023-06-23 | 武汉一龙技术有限公司 | Remote oil engine power generation monitoring system of communication base station |
| CN116321240B (en) * | 2023-05-25 | 2023-12-01 | 武汉一龙技术有限公司 | Remote oil engine power generation monitoring system of communication base station |
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