CN110703100B - Full life cycle remote monitering system of power lithium cell - Google Patents
Full life cycle remote monitering system of power lithium cell Download PDFInfo
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- CN110703100B CN110703100B CN201910990156.1A CN201910990156A CN110703100B CN 110703100 B CN110703100 B CN 110703100B CN 201910990156 A CN201910990156 A CN 201910990156A CN 110703100 B CN110703100 B CN 110703100B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/3644—Constructional arrangements
- G01R31/3648—Constructional arrangements comprising digital calculation means, e.g. for performing an algorithm
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/367—Software therefor, e.g. for battery testing using modelling or look-up tables
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/371—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with remote indication, e.g. on external chargers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
- G01R31/3842—Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/389—Measuring internal impedance, internal conductance or related variables
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
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- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a full life cycle remote monitoring system of a power lithium battery, which comprises an RFID label, an RFID reader, a battery cell data acquisition module, a CAN bus communication module, a Telematics BOX, a pack main control module, a GPS module, an alarm module, a mobile terminal APP, a monitoring host, a server and a mobile terminal APP; the optimization method comprises the steps of optimization of the network access stage of the installation machine, optimization of the operation stage, retirement and optimization of the echelon utilization stage. The invention realizes the whole-process tracking and analysis of the power battery information, provides use suggestions, optimization guidance, remote program updating and standard recovery management for users, and can also realize the private dismantling prevention and theft prevention of the battery pack. The monitoring system and the optimization method realize the management of the whole life cycle of the power lithium battery, improve the user experience, reduce hidden danger and improve the safety performance.
Description
Technical Field
The invention belongs to the technical field of new energy automobiles and battery detection management, and particularly relates to a full-life-cycle remote monitoring system for a power lithium battery, which is suitable for a power lithium battery pack and a new energy automobile.
Background
Radio Frequency Identification (RFID) technology, also called electronic tags, has a wide application prospect and is currently applied to many fields. With the rapid development of electric vehicles, people pay more and more attention to the safe operation condition and echelon recycling of power batteries, and because each power battery of an electric vehicle needs to be composed of hundreds of battery cells, in order to better solve the service condition of the battery and manage the life cycle of the battery, the production information, the charging and discharging information, the position information and the recycling information of the battery need to be recorded and stored. The use of RFID technology provides convenience for centralized data information recording and storage, and meanwhile, the development of 4G/5G technology assists in remote monitoring and updating optimization. The whole-process tracking and analysis of the power battery information are realized, the use suggestion, the optimization guidance, the remote program updating and the standard recovery management are provided for a user, and the private disassembly prevention and the theft prevention of the battery pack can also be realized. The monitoring system and the optimization method realize the management of the whole life cycle of the power lithium battery, improve the user experience, reduce hidden danger and improve the safety performance.
Disclosure of Invention
The invention aims to provide a full-life-cycle remote monitoring system for a power lithium battery, which aims to better solve the problems.
In order to achieve the purpose, the invention is realized by the following technical scheme, and the full life cycle remote monitoring system of the power lithium battery is characterized in that: the power lithium battery full life cycle remote monitoring system comprises an RFID label, an RFID reader, a battery core data acquisition module, a CAN bus communication module, a Telematics BOX, a pack main control module, a GPS module, an alarm module, a monitoring host, a server and a mobile terminal APP; the optimization method comprises the steps of optimization of a network access stage of the installation machine, optimization of an operation stage and optimization of a retirement and echelon utilization stage;
the RFID tag and the RFID reader are installed at the appointed positions of the battery module and the pack main control module, the battery cell data acquisition module comprises a plurality of voltage sensors, current sensors, temperature sensors and counters, the voltage sensors, the current sensors and the temperature sensors are used for acquiring voltage, current and temperature data of the battery module in real time, the counters are used for recording the service time of the battery module, and ID data information marked on the battery cell data acquisition module and the RFID tag is collected to the pack main control module in a unified mode through the CAN bus communication module; the Telematics BOX module is a BOX with a communication function based on an Android operating system, is internally provided with an SIM card, is provided with a GPS antenna and 4G antenna matched hardware, and is provided with a PIN interface for establishing data communication with a CAN in the BMS; the T-BOX transmits the vehicle position information, the motion track, the battery voltage, the current, the fault, the temperature and the SOC data back to the Internet of things monitoring platform through the network, and the vehicle position information, the motion track, the battery voltage, the current, the fault, the temperature and the SOC data are processed by the Internet of things monitoring platform and then displayed on a mobile phone APP or WAP client terminal; the pack main control module comprises an SOC estimation unit, a current and voltage detection unit, a temperature control unit, a charge and discharge control unit, an insulation detection unit, a fault analysis and online alarm unit and a balance unit, the GPS module is used for recording pack real-time position information, the battery core data acquisition module, the CAN bus communication module, the Telematics BOX, the GPS module are connected with the pack main control module, the pack main control module is in wireless communication connection with a monitoring host and a server through a GPRS module, the RFID reader is in communication connection with the monitoring host and the server, and the pack main control module information is connected with the Internet of things monitoring platform and the mobile terminal APP through the Telematics BOX and the GPRS module to check power lithium battery operation data in real time;
the RFID tag obtains electricity through a power battery pack and is connected with a pack main control module through a CAN bus communication module interface; the RFID reader is provided with a 4G/5G communication interface and is in interactive communication with the monitoring host and the server through a GPRS module; the monitoring host and the server comprise a battery information database and a network service module, the monitoring host and the server are connected with the Internet, and the power lithium battery information database can be inquired through a specific service entrance after authorization on the Internet; alarm module is connected with pack main control module, predetermines alarm threshold value information according to pack main control module and sends alarm information for the car owner, gives mobile terminal APP, monitoring host and server through Telematics BOX module wireless transmission simultaneously, and the alarm range includes: the performance index of the battery can not maintain the threshold value of the specified range or exceed the effective service life of the battery, and the alarm is given and the replacement or the recovery of the retired battery or the fault battery is prompted; the monitoring host and the server provide program optimization update suggestions for users periodically, the users feed back and request to the monitoring host and the server through the mobile terminal APP, technicians conduct remote software update to the pack main control module through wireless communication between the Internet of things monitoring background and the Telematics BOX, power lithium battery performance is optimized, and user experience is improved;
in the network access stage of the machine, basic information collection, arrangement and data analysis are carried out on each series of power lithium batteries in an optimized mode, the basic information collection, arrangement and data analysis mainly comprise important parameters such as charging and discharging cycle data before the battery cores leave a factory, monomer voltage, capacity, internal resistance and the like, the initial health condition of the battery cores is obtained, the consistency of monomers in pack is guaranteed through strict sorting, and a database is established for manufacturing the RFID tags for each monomer battery core; in the operation stage, the operation information of the power lithium battery real vehicle is collected, sorted and analyzed, the SOH of the battery is known, the use guidance and program optimization updating suggestions are regularly and periodically provided for a user, and the remote software updating is carried out on the pack main control module through the wireless communication between the Internet of things monitoring background and the Telematics BOX according to the feedback and the request of the user, so that the performance of the battery is optimized; the retired battery and the echelon utilization stage are optimized to carry out physical sorting, capacity matching and charging and discharging maintenance on the battery to be retired, liquid leakage, appearance damage and performance substandard single battery cores are directly scrapped, meanwhile, RFID tag information in a scrapped battery core database is deleted or updated through the RFID reader, the battery cores with performance up to the standard after maintenance are utilized in an electricity supplementing mode, and the battery retired battery is used for an energy storage power station or an electric bicycle or an electric tricycle with short effective life, so that the battery aging efficiency is improved, and the cost is reduced.
The technical scheme has the following beneficial effects: the power lithium battery full life cycle remote monitoring system and the optimization method are characterized in that a pack main control module, a GPS module, a 4G/5G communication interface and RFID labels are arranged on a power battery, each single battery cell becomes a node in the Internet of things, the running information of the power battery is recorded and uploaded to a background in real time through the communication between an RFID reader and a battery management server, so that users and manufacturers can remotely inquire and know the detailed information in the life cycle of the battery cell in the pack through a mobile phone terminal APP and a background monitoring host, and an optimization scheme of an online stage, running stage, retirement and echelon utilization stage of an installation is provided through the sorting and analysis of data information, so that a brand-new power battery management strategy is provided for the users, the traceability of the power battery information is realized, and a use suggestion, a use history optimization scheme and a use history are provided for the consumers in time, Retrieve and guide, provide the relevant operating mode data of battery so that optimize battery technology to the battery producer, prevent that the user from dismantling the battery package privately, secondly, in case the battery package is stolen, but the GPS location data information of backstage monitoring host computer real-time display battery package helps to seek and detect the stolen case of battery, standardizes battery recovery and echelon utilization, improves battery utilization and reduces the pollution of discarded object to the environment.
Drawings
FIG. 1 is a schematic diagram of a full life cycle remote monitoring system for a lithium power battery according to the present invention;
FIG. 2 is a structural diagram of an optimization method of a full life cycle remote monitoring system of a power lithium battery according to the invention;
FIG. 3 is an optimized structure diagram of an installed network access stage in an embodiment of the full life cycle remote monitoring system and the optimizing method for the power lithium battery of the invention;
FIG. 4 is a diagram of an optimized structure of a battery operation phase in an embodiment of the full life cycle remote monitoring system and the optimization method for a power lithium battery according to the invention;
fig. 5 is a flowchart of recycling and echelon utilization of retired batteries in an embodiment of the full-life-cycle remote monitoring system and optimization method for a power lithium battery according to the present invention.
Detailed Description
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the technical means can be implemented according to the content of the description, and the related embodiments are described below with reference to the accompanying drawings. Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, a full life cycle remote monitoring system and an optimization method for a power lithium battery include a power lithium battery installed on a vehicle, an RFID reader and a Telematics BOX installed in a designated place, a pack main control module, a GPS module, an RFID tag, an alarm module, a battery cell data acquisition module and a CAN bus communication module are provided in the power lithium battery, and battery information stored by the pack main control module mainly includes: battery manufacturing information, such as manufacturer, date of manufacture, etc.; battery types such as lithium iron phosphate batteries, ternary batteries, solid state batteries, and the like; battery state information such as battery voltage, capacity, internal resistance, number of charge and discharge times, first charge and discharge time of the battery, etc. The GPS module is used for positioning the power battery, the Telematics BOX and the GPS module are in communication connection with the pack main control module, the power battery position information is transmitted in real time, and then the position information is transmitted to the background monitoring host through the pack main control module. The RFID label is provided with an ID number which uniquely identifies the power battery, the RFID label is in communication connection with the pack main control module through the CAN bus communication module, and the RFID label CAN be activated by the RFID reader and is in wireless communication with the RFID reader.
RFID tags are active devices that are powered by a power battery and can provide greater communication distances and greater amounts of data to communicate. RFID reads ware still with backstage monitoring host computer and battery management server communication connection, communication connection's mode accessible wireless network connection, the accessible sets up on RFID reads the ware 4G/5G communication interface is connected through mobile network backstage monitoring host computer and server and user mobile phone terminal APP. The Telematics BOX module is a BOX with a communication function based on an Android operating system, is internally provided with an SIM card, is provided with matched hardware such as a GPS antenna and a 4G antenna, and is provided with a PIN interface for establishing data communication with a CAN in the BMS; the T-BOX transmits the vehicle position information, the motion track, the battery voltage, the current, the fault, the temperature, the SOC and other data back to the Internet of things monitoring platform through the network, and the data are processed by the Internet of things platform and displayed on the client terminals such as the mobile phone APP or the WAP. Meanwhile, the battery management server comprises a battery information database and a network service module in communication, the battery management server is connected with the Internet, and the battery information database can be inquired through a specific service entrance after authorization on the Internet; alarm module with pack main control module connects, according to pack main control module predetermines alarm threshold value information and sends alarm information for the car owner, simultaneously through Telematics BOX and GPRS module wireless transmission give mobile terminal APP, backstage monitoring host and battery management server, the alarm range includes: the performance index of the battery can not maintain the threshold value of the specified range or exceed the effective service life of the battery, and the alarm is given and the replacement or the recovery of the retired battery or the fault battery is prompted;
the background monitoring host and the battery management server can provide program optimization update suggestions for users regularly, the users can feed back and request to the background monitoring host and the battery management server through the mobile terminal APP, and technicians can remotely update software for the pack main control module through wireless communication between the monitoring background of the Internet of things and the Telematics BOX, so that the battery performance is optimized, and the user experience is improved;
as shown in fig. 2 and fig. 3, the installed network access stage optimization can perform basic information collection, arrangement and data analysis on each series of power lithium batteries, mainly includes charge-discharge cycle data before the battery cells leave the factory, and important parameters such as cell voltage, capacity, internal resistance and the like, obtains the initial health condition of the battery cells, and strictly sorts to ensure the consistency of the cells in the pack;
as shown in fig. 4, the operation stage optimization can collect, arrange and analyze operation information of the actual working condition of the power lithium battery, know the SOH of the battery, regularly provide use guidance and program optimization update suggestions for a user at regular time and regular intervals, and perform remote software update on the pack main control module through the GPRS according to the feedback and the request of the user to optimize the performance of the battery;
as shown in fig. 5, the optimization of the retirement and echelon utilization stage can perform physical sorting, capacity matching and charging and discharging maintenance on batteries to be retired, directly scrap the monomer battery cells with leakage, damaged appearance and unqualified performance, and perform echelon utilization on the battery cells with qualified performance after maintenance after power supply, so that the battery retirement and echelon utilization stage is used for an energy storage power station or an electric bicycle or an electric tricycle with short effective life, the battery aging efficiency is improved, and the cost is reduced.
The full life cycle remote monitoring system and the optimization method for the power lithium battery provided by the embodiment of the invention are described in detail above. To sum up, the present disclosure should not be construed as limiting the present invention, and any modifications made to the design concept of the present invention are within the protection scope of the present invention.
Claims (1)
1. The utility model provides a full life cycle remote monitering system of power lithium cell which characterized in that: the power lithium battery full life cycle remote monitoring system comprises an RFID label, an RFID reader, a battery core data acquisition module, a CAN bus communication module, a Telematics BOX, a pack main control module, a GPS module, an alarm module, a monitoring host, a server and a mobile terminal APP; the optimization method comprises the steps of optimization of a network access stage of the installation machine, optimization of an operation stage and optimization of a retirement and echelon utilization stage;
the RFID tag and the RFID reader are installed at the appointed positions of the battery module and the pack main control module, the battery cell data acquisition module comprises a plurality of voltage sensors, current sensors, temperature sensors and counters, the voltage sensors, the current sensors and the temperature sensors are used for acquiring voltage, current and temperature data of the battery module in real time, the counters are used for recording the service time of the battery module, and ID data information marked on the battery cell data acquisition module and the RFID tag is collected to the pack main control module in a unified mode through the CAN bus communication module; the Telematics BOX module is a BOX with a communication function based on an Android operating system, is internally provided with an SIM card, is provided with a GPS antenna and 4G antenna matched hardware, and is provided with a PIN interface for establishing data communication with a CAN in the BMS; the T-BOX transmits the vehicle position information, the motion track, the battery voltage, the current, the fault, the temperature and the SOC data back to the Internet of things monitoring platform through the network, and the vehicle position information, the motion track, the battery voltage, the current, the fault, the temperature and the SOC data are processed by the Internet of things monitoring platform and then displayed on a mobile phone APP or WAP client terminal; the pack main control module comprises an SOC estimation unit, a current and voltage detection unit, a temperature control unit, a charge and discharge control unit, an insulation detection unit, a fault analysis and online alarm unit and a balance unit, the GPS module is used for recording pack real-time position information, the battery core data acquisition module, the CAN bus communication module, the Telematics BOX, the GPS module are connected with the pack main control module, the pack main control module is in wireless communication connection with a monitoring host and a server through a GPRS module, the RFID reader is in communication connection with the monitoring host and the server, and the pack main control module information is connected with the Internet of things monitoring platform and the mobile terminal APP through the Telematics BOX and the GPRS module to check power lithium battery operation data in real time;
the RFID tag obtains electricity through a power battery pack and is connected with a pack main control module through a CAN bus communication module interface; the RFID reader is provided with a 4G/5G communication interface and is in interactive communication with the monitoring host and the server through a GPRS module; the monitoring host and the server comprise a battery information database and a network service module, the monitoring host and the server are connected with the Internet, and the power lithium battery information database can be inquired through a specific service entrance after authorization on the Internet; alarm module is connected with pack main control module, predetermines alarm threshold value information according to pack main control module and sends alarm information for the car owner, gives mobile terminal APP, monitoring host and server through Telematics BOX module wireless transmission simultaneously, and the alarm range includes: the performance index of the battery can not maintain the threshold value of the specified range or exceed the effective service life of the battery, and the alarm is given and the replacement or the recovery of the retired battery or the fault battery is prompted; the monitoring host and the server provide program optimization updating suggestions for users periodically, the users feed back and request to the monitoring host and the server through the mobile terminal APP, technicians conduct remote software program updating to the pack main control module through wireless communication between the Internet of things monitoring background and the Telematics BOX, power lithium battery performance is optimized, and user experience is improved;
in the network access stage of the machine, basic information collection, arrangement and data analysis are carried out on each series of power lithium batteries in an optimized mode, the basic information collection, arrangement and data analysis mainly comprise important parameters such as charging and discharging cycle data before the battery cores leave a factory, monomer voltage, capacity, internal resistance and the like, the initial health condition of the battery cores is obtained, the consistency of monomers in pack is guaranteed through strict sorting, and a database is established for manufacturing the RFID tags for each monomer battery core; in the operation stage, the operation information of the power lithium battery real vehicle is collected, sorted and analyzed, the SOH of the battery is known, the use guidance and program optimization updating suggestions are regularly and periodically provided for a user, and the remote software updating is carried out on the pack main control module through the wireless communication between the Internet of things monitoring background and the Telematics BOX according to the feedback and the request of the user, so that the performance of the battery is optimized; the retired battery and the echelon utilization stage are optimized to carry out physical sorting, capacity matching and charging and discharging maintenance on the battery to be retired, liquid leakage, appearance damage and performance substandard single battery cores are directly scrapped, meanwhile, RFID tag information in a scrapped battery core database is deleted or updated through the RFID reader, the battery cores with performance up to the standard after maintenance are utilized in an electricity supplementing mode, and the battery retired battery is used for an energy storage power station or an electric bicycle or an electric tricycle with short effective life, so that the battery aging efficiency is improved, and the cost is reduced.
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| CN113147478B (en) * | 2021-04-26 | 2024-04-16 | 东方醒狮储能电池有限公司 | Electric automobile power supply management system based on radio frequency induction |
| CN113161635B (en) * | 2021-04-26 | 2024-02-06 | 东方醒狮储能电池有限公司 | Lithium power battery pack thermal monitoring management system based on radio frequency induction |
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