WO2019178953A1 - 一种基于物联网的智能电池状态监测*** - Google Patents

一种基于物联网的智能电池状态监测*** Download PDF

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Publication number
WO2019178953A1
WO2019178953A1 PCT/CN2018/090333 CN2018090333W WO2019178953A1 WO 2019178953 A1 WO2019178953 A1 WO 2019178953A1 CN 2018090333 W CN2018090333 W CN 2018090333W WO 2019178953 A1 WO2019178953 A1 WO 2019178953A1
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Prior art keywords
battery
module
intelligent
control unit
information
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PCT/CN2018/090333
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English (en)
French (fr)
Inventor
刘贤喜
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深圳市南霸科技有限公司
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Publication of WO2019178953A1 publication Critical patent/WO2019178953A1/zh

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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
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/22—Balancing the charge of battery modules
    • 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
    • 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
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H01M10/443—Methods for charging or discharging in response to temperature
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/545—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/547—Voltage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/549—Current
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2250/00—Driver interactions
    • B60L2250/10—Driver interactions by alarm
    • 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
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

Definitions

  • the invention relates to the field of smart battery technology in the field of electronic technology, in particular to an intelligent battery state monitoring system based on the Internet of Things.
  • the battery management system is usually responsible for the calculation of battery power in the battery pack, battery protection, battery balance control between batteries, and signal communication inside and outside the battery management system.
  • products that generally use batteries are required to be controlled with a battery management system.
  • the present invention provides an intelligent battery state monitoring system based on the Internet of Things.
  • the intelligent battery system is based on technologies such as intelligent transmission, cloud computing, big data management, and visual data management, and telecommunication data backhaul positioning.
  • the system provides accurate real-time operating conditions such as voltage, current, temperature, SOC, SOH, etc.
  • the intelligent battery system With the intelligent battery system, the internal working state of the battery can be seen at a glance.
  • intelligent early warning, intelligent prediction, intelligent location service and many other practical functions and services through the operation terminal such as browser and mobile APP application, related operation and maintenance teams and personnel can monitor and manage the battery at any place and at any time. The customer realized the true remote inspection and operation and maintenance.
  • the smart battery system enables detailed management of the battery pack or single battery during the entire life cycle, ensuring that the battery always works in the most healthy state.
  • an intelligent battery state monitoring system based on the Internet of Things, comprising a battery pack or a single battery; an information collecting module connected with a battery pack or a single battery for collecting battery modules The battery status information of each unit battery and the battery status information of the battery module; the intelligent data transmission module is respectively connected to the information collection module and the intelligent control unit, and is configured to collect each of the battery modules collected by the information collection module The battery state information of the single battery and the battery state information of the battery module are forwarded to the intelligent control unit; the data storage module is connected to the intelligent control unit, the intelligent data transmission module is transmitted to the data storage module, and the data storage module also stores the preset The intelligent control unit is respectively connected to the charging and discharging control module, the security protection module, the storage module, and the display alarm module, and is configured to send the battery status information sent by the intelligent data transmission module and the preset battery status in the data storage module.
  • the charging and discharging tube control module, the safety protection module, the storage module, and the display alarm module send signals to respectively control the charging and discharging control, safety protection, storage, and display the working state of the alarm unit; the upper computer, the upper computer and the intelligent control unit are connected
  • the intelligent control unit reads the battery status by the DSP and makes corresponding protection according to the status, and transfers the data to the upper computer or the cloud through the communication module; the client management software and the mobile APP, the upper computer or the cloud manage through the network and the client The software is connected to the mobile app.
  • the intelligent control unit calculates the SOC/SOH, the battery information including the capacitance, the voltage, and the temperature through the DSP, and simultaneously issues the MOSFet control signal, and performs the data transmission with the host computer while accepting the control command of the upper computer.
  • the intelligent control unit controls the battery pack or the single battery through the MOSFet driving circuit, and can control and cut off the battery output to achieve the anti-theft function through the client management software and the mobile terminal APP.
  • the intelligent control unit uploads the information collected by the information collection module to the host computer or the cloud, and the host computer or the cloud connects the client management software or the mobile terminal APP through the GSM/GPRS control module or the RJ45 link Ethernet, and the host computer ARM/Linux After receiving the terminal instruction, the system issues a control request to the DSP after authorization.
  • the upper computer and the intelligent control unit perform data transmission through wired transmission, wireless transmission, GPRS, GSM or IP communication, and different payment methods can be set by the client management software and the mobile terminal APP for the user to select.
  • the security protection module includes an equalization unit that performs equalization control on the battery module by controlling whether the equalization control switch is turned on or off, and the thermal management unit controls the thermal management control switch to open or close the battery module. Performing thermal management control; the fault control unit performs fault isolation control on the battery module by controlling whether the fault control switch is turned on or off.
  • the working process of the intelligent battery condition monitoring system when charging, the parameters of the battery to be charged can be configured according to requirements, the information collecting module collects the ambient temperature signal sent by the temperature sensor, and controls the main power source according to the temperature supplement formula.
  • the circuit adjusts the charging voltage by itself, and the intelligent control unit collects the battery information from the intelligent control unit, such as SOC/SOH, capacitance and voltage, according to the initial setting equilibrium condition of the data storage module, and simultaneously issues the MOSFet control signal, and the upper position.
  • the machine performs data transmission and accepts the control command of the host computer. By comparison, it is judged whether equalization is needed.
  • the battery corresponding equalization circuit that needs to be equalized is turned on as needed, and the battery is supplemented and charged until the voltage difference of each battery is low.
  • the technical parameters of the charger and the battery can be displayed through the client management software or the mobile APP, and the parameters can be adjusted.
  • the communication module has the serial communication and the CAN communication function as long as the external intelligent device has Can be used for the parameters of the charger Read and configure, at the same time, you can also retrieve all the parameter data during the battery use process.
  • the client management software and the mobile APP will store the parameters of each charging process in real time into the data storage module, which is convenient for the user to read. Take the analysis.
  • the intelligent battery condition monitoring system is applied in a car battery pack, an energy base station in a telecom operation industry, and a solar power station.
  • the intelligent control module reads the battery status from the DSP and makes corresponding protection according to the status. At the same time, the data is transferred to the upper computer ARM processor system (Linux, WinCE, uCOII, etc.) to intelligently remind the user through the network transmission, and at the same time, the battery has self-protection. Function, adaptability to abnormal situations.
  • the underlying architecture design of the intelligent gateway has the function of IoT service, which can easily interconnect the various energy infrastructure devices of the site and bring users an energy interconnection experience.
  • the intelligent battery system adopts integrated intelligent control, intelligent acquisition and cloud computing technologies to provide real-time operating conditions such as accurate voltage, current, temperature, SOC and SOH for the management platform; providing intelligent early warning, intelligent prediction, intelligent location services, etc. Practical functions and services; operating terminals such as browsers and mobile APP applications, related operation and maintenance teams and personnel can monitor and manage the battery at any place and at any time, realizing the true meaning of remote operation and maintenance.
  • Figure 1 is a structural view of the present invention
  • an intelligent battery state monitoring system based on the Internet of Things, comprising a battery pack or a single battery;
  • the information collecting module is connected to the battery pack or the single battery, and is configured to collect battery state information of each single battery in the battery module and battery state information of the battery module;
  • the intelligent data transmission module is respectively connected to the information collection module and the intelligent control unit, and is configured to forward the battery state information of each single battery in the battery module collected by the information collection module and the battery state information of the battery module to the intelligent control. unit;
  • the data storage module is connected to the intelligent control unit, the intelligent data transmission module is transmitted to the data storage module, and the data storage module also stores preset parameters; the data storage module can data, the charging environment temperature and the charging process of each charging process. Temperature change of the battery, temperature change inside the charger, constant current charging current, constant current charging time, constant voltage charging voltage, constant voltage charging time, pulse charging voltage, pulse charging current, pulse charging time, pulse width of pulse charging.
  • the information such as the initial capacity of the battery, the capacity after the battery is fully charged, and the initial charging parameter setting are stored in the data storage module in real time, which is convenient for the user to read and analyze.
  • the intelligent control unit is respectively connected to the charging and discharging control module, the security protection module, the fault control unit, the storage module, and the display alarm module, and is configured to send the battery status information sent by the intelligent data transmission module and the preset in the data storage module. Comparing the battery status information, according to the comparison result, correspondingly sending signals to the charging and discharging control module, the security protection module, the storage module, and the display alarm module, respectively controlling the charging and discharging control, security protection, storage, and display alarm unit Working status
  • the upper computer the upper computer is connected with the intelligent control unit, and the intelligent control unit reads the battery status by the DSP and makes corresponding protection according to the state, and transfers the data to the upper computer or the cloud through the communication module;
  • the client management software and the mobile APP, the host computer or the cloud are connected to the mobile APP through the network and the client management software.
  • the client management software and the mobile APP can control and cut off the battery output to achieve theft prevention function.
  • the intelligent control unit in a specific implementation, if the voltage difference between a single battery and another single battery in the status information of the single battery sent by the intelligent data transmission module exceeds a preset normal voltage a difference, then correspondingly transmitting a high-level equalization control signal to the charge and discharge control module and the safety protection module, and controlling the charge and discharge control module and the safety protection module to balance the voltage of the single battery in the battery module Management operation until the voltage difference between any two single cells in the battery module is restored to a preset normal voltage difference;
  • the unit starts running to implement fault isolation control of the battery module (ie, the battery module stops outputting voltage and current) until the battery module battery status information returns to the preset normal operation state of the battery module, and then closes the operation fault control unit; For example, the voltage in the battery module battery status information sent by the intelligent data transmission module exceeds or falls below a preset fault voltage threshold range, or the current in the battery module battery status information exceeds a preset fault current threshold range. Alternatively, when the temperature in the battery module state information exceeds the preset fault temperature threshold range, it indicates that the battery state information sent by the intelligent data transmission module is not within the preset normal working state.
  • the intelligent control unit calculates the SOC/SOH, battery information such as capacitance, voltage and temperature through the DSP, and simultaneously issues the MOSFet control signal, and performs data transmission with the host computer while receiving the control command of the upper computer.
  • the temperature sensor is the LM75A temperature sensor.
  • the intelligent control unit is provided with a unique RFID tag for identifying the single battery, and the intelligent control unit controls the battery pack or the single battery through the MOSFet drive circuit.
  • the intelligent control unit uploads the information collected by the information collection module to the host computer or the cloud, and the host computer or the cloud connects the client management software or the mobile terminal APP through the GSM/GPRS control module or the RJ45 link Ethernet, and the upper computer ARM/Linux system receives the information. After the terminal command is issued, the control request is sent to the DSP.
  • the upper computer and the intelligent control unit transmit data through wired transmission, wireless transmission, GPRS, GSM or IP communication, and different payment methods can be set by the client management software and the mobile APP for the user to select.
  • the security protection module includes an equalization unit that performs equalization control on the battery module by controlling whether the equalization control switch is turned on or off.
  • the thermal management unit heats the battery module by controlling whether the thermal management control switch is turned on or off. Management control; the fault control unit performs fault isolation control on the battery module by controlling the opening or closing of the fault control switch.
  • the working process of the intelligent battery condition monitoring system when charging, the parameters of the battery to be charged can be configured according to the needs, the information collecting module collects the ambient temperature signal sent by the temperature sensor, and controls the main power circuit according to the temperature supplement formula. According to the adjustment of the charging voltage, the intelligent control unit collects the battery information such as SOC/SOH, capacitance and voltage from the intelligent control unit according to the initial setting equilibrium condition of the data storage module, and simultaneously issues the MOSFet control signal to perform data with the upper computer. The transmission accepts the control command of the host computer at the same time, and compares it to determine whether it needs to be equalized.
  • the information collecting module collects the ambient temperature signal sent by the temperature sensor, and controls the main power circuit according to the temperature supplement formula.
  • the intelligent control unit collects the battery information such as SOC/SOH, capacitance and voltage from the intelligent control unit according to the initial setting equilibrium condition of the data storage module, and simultaneously issues the MOSFet control signal to perform data with the upper computer.
  • the transmission accepts the control
  • the battery corresponding equalization circuit that needs to be equalized is turned on according to the need, and the battery is supplemented and charged until the pressure difference of each battery is lower than the setting.
  • the balanced charging end condition can display the technical parameters of the charger and the battery through the client management software or the mobile APP, and realize the adjustment of the parameters.
  • the communication module can The parameters of the charger are carried out
  • the configuration and the configuration can also retrieve all the parameter data during the battery use process.
  • the client management software and the mobile terminal APP store the information such as parameter settings of each charging process in real time into the data storage module, which is convenient for the user to read and analyze. .
  • a combination of centralized management of the system and distributed management of the battery modules is adopted, and the present invention can independently perform distributed management switches of the battery modules according to the control management unit inside the battery module.
  • Management control at the same time, it is also possible to rely on the communication unit to upload the battery status information of each battery module to the system intelligent control unit in time, and accurately and quickly respond to the control strategy of the intelligent control unit. It is possible to achieve comprehensive and flexible intelligent management from the internal distributed management of each battery module to centralized management within the system outside of all battery modules.

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  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Sustainable Development (AREA)
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Abstract

一种基于物联网的智能电池状态监测***，其软、硬件核心包括：智能电池、智能网关、云管理***、以及跨平台客户端管理软件与移动端APP应用，该***基于智能传输、云计算、大数据管理、可视化数据管理等技术、电信数据回传定位等新型网络服务，提供精准的电压、电流、温度、SOC、SOH等实时工况信息，使用该智能电池***，电池的内部工作状态可以一目了然。该***具有智能预警、智能预测、智能位置服务等诸多的实用功能与服务，通过浏览器、移动APP应用等操作终端，相关运维团队与人员可以在任意地点、任意时间对电池进行监测与管理，帮助客户实现了真正意义的远程巡检与运维。该智能电池***能够对电池组或单支电池进行全寿命期的精细化管理，保障电池总是工作在最健康状态。

Description

一种基于物联网的智能电池状态监测*** 技术领域
本发明涉及电子技术领域中的智能电池技术领域，具体地说是一种基于物联网的智能电池状态监测***。
背景技术
电池管理***通常负责电池组中电池电量的计算、电池保护，电池间的电量平衡控制、以及电池管理***内外的信号通信等。在现有技术中，一般使用到电池的产品，都需要搭配电池管理***来控制。
由于电池在制造过程中很难确保具有完全的均衡，各串联的电池单元之间会存在充电或放电特性的差异。因此，当使用串联电池单元的电池组时，会存在这样的问题：充电时，同一电池组中，即使某些电池单元被过度充电，也仍然存在某些电池单元尚未达到饱和；又或放电时，同一电池组中，有些电池单元尚未完全放电，但仍有些电池单元被过度放电。此外，如果电池单元长期被过度放电/充电，在构成电池单元的材料中可能会出现显著劣化，使得电池单元的特性变得不同，而这种劣化是加剧电池单元间差异的原因之一。
随着电子设备的普及以及物联网技术的发展，越来越多的电子设备使用了电池，为了提供大容量的供电效果，一些电池组由多个单体电池构成，而电池之间的差异对整个电池组的性能会产生较大的影响。就像是木桶效应一般，通常构成木桶的短板决定了整个木桶的容量，同样的，电池组之间，若某个电池早衰或失效，则会使得整个电池组的性能大大降低。因此，为了避免单体电池给整个电池组带来的影响，需要对单体电池进行监控，从而对整个电池组性能进行监控，然后现有的电池组管理***大多仅仅是对某个电池组进行监控的小型***，其无法实现大数据级别的智能监控。
发明内容
本发明为了克服上述技术的不足和缺陷，提供了一种基于物联网的智能电池状态监测***，智能电池***基于智能传输、云计算、大数据管理、可视化数据管理等技术，电信数据回传定位等新型网络服务，本***提供精准的电压、电流、温度、SOC、SOH等实时工况信息，使用智能电池***，电池的内部工作状态可以一目了然。具有智能预警、智能预测、智能位置服务等诸多的实用功能与服务，通过浏览器、移动APP应用等操作终端，相关运维团队与人员可以在任意地点、任意时间对电池进行监测与管理，帮助客户实现了真正意义的远程巡检与运维。智能电池***能够对电池组或单支电池进行全寿命期的精细化管理，保障电池总是工作在最健康状态。
本发明的是通过下述方式实现的：一种基于物联网的智能电池状态监测***，包括电池组或单支电池；信息采集模块，与电池组或单支电池连接，用于采集电池模块中每个单体电池的电池状态信息和本电池模块的电池状态信息；智能数据传输模块，分别与信息采集模块、智能控制单元相连接，用于将所述信息采集模块所采集电池模块中每个单体电池的电池状态信息和电池模块的电池状态信息转发给智能控制单元； 数据存储模块，与智能控制单元相连，智能数据传输模块传输至数据存储模块，并且数据存储模块也存储有预设的参数；智能控制单元分别与充放电管控模块、安全保护模块、存储模块、显示报警模块相连接，用于将所述智能数据传输模块发送的电池状态信息与数据存储模块内的预先设置的电池状态信息进行比较，根据比较结果，对应地向所述充放电管控模块、安全保护模块、存储模块、显示报警模块发送信号，分别控制所述充放电管控、安全保护、存储、显示报警单元的工作状态；上位机，上位机与智能控制单元相连，智能控制单元由DSP读取电池状态并根据状态做出相应的保护同时通过通讯模块将数据转给上位机或云端；客户端管理软件与移动端APP，上位机或云端通过网络和客户端管理软件与移动端APP相连。
进一步，智能控制单元通过DSP计算SOC/SOH，电容、电压、温度在内的电池信息，同时发出MOSFet控制信号，与上位机进行数据传输同时接受上位机的控制指令。
进一步，所述智能控制单元通过MOSFet驱动电路控制电池组或单支电池，可通过客户端管理软件与移动端APP控制并切断电池输出达到防盗的功能。
进一步，智能控制单元将信息采集模块采集到的信息上传至上位机或云端，上位机或云端通过GSM/GPRS控制模块或RJ45链接以太网连接客户端管理软件或移动端APP，上位机ARM/Linux***收到终端指令后通过授权后给DSP发出控制请求。
进一步，上位机与智能控制单元通过有线传输、无线传输、GPRS、GSM或IP通讯进行数据传输，可通过客户端管理软件与移动端APP设置不同的支付方式供用户选择。
进一步，所述安全保护模块包括均衡单元，通过控制均衡控制开关的开启或关闭，对所述电池模块进行均衡控制；热管理单元，通过控制热管理控制开关的开启或关闭，对所述电池模块进行热管理控制；故障控制单元，通过控制故障控制开关的开启或关闭，对所述电池模块进行故障隔离控制。
所述的智能电池状态监测***的工作过程：进行充电时，可根据需要针对要进行充电的电池进行参数配置，信息采集模块采集由温度传感器发来的环境温度信号，依据温度补充公式控制主电源电路自行进行充电电压的调整，智能控制单元根据数据存储模块初始设定的均衡条件，采集从智能控制单元发来SOC/SOH，电容、电压在内的电池信息，同时发出MOSFet控制信号，与上位机进行数据传输同时接受上位机的控制指令，通过对比，判断出是否需要进行均衡，根据需要将需要进行均衡的电池对应均衡电路打开，对其进行补充充电，直至每节电池的压差都低于设定的均衡充电结束条件，通过客户端管理软件或移动端APP可以显示充电机和电池的各项技术参数，实现对参数的调整，通讯模块只要外接智能设备具有串口通讯和CAN通讯功能，即可对充电机的各项参数进行读取和配置，同时还可以调取电池使用过程中的所有参数数据，客户端管理软件与移动端APP将每次充电过程的参数设定等信息实时的存入数据存储模块，便于用户读取分析。
所述的智能电池状态监测***在汽车电池组、电信运营行业的能源基站和太阳能发电站中的应用。
本发明通过采用上述技术方案，与现有技术相比，具有如下优点：
智能管控模块由DSP读取电池状态并根据状态做出相应的保护同时将数据转给上位机ARM处理器***(Linux,WinCE,uCOII等)通过网络传输智能提醒用户，同时让电池具有具有自我保护功能，应对异常情况的自适应能力强。
7*24小时高精度感知电池状态；也可以通过CAN现场总线与汽车链接实现数据传输。当数据传输中断时，网关自动进行数据存储，通讯恢复时，主动上传存储数据，确保数据的完整和正确。智能网关的底层架构设计具有物联服务功能，能轻松地使站点各项能源基础设备进行互联，为用户带来能源互联体验。
智能电池***采用综合智能管控、智能采集和云计算等技术，为管理平台供精准的电压、电流、温度、SOC、SOH等实时工况信息；提供智能预警、智能预测、智能位置服务等诸多的实用功能与服务；浏览器、移动APP应用等操作终端，相关运维团队与人员可以在任意地点、任意时间对电池进行监测与管理，实现了真正意义的远程运维。
附图说明
图1是本发明的结构图
具体实施方式
下面对本发明作进一步详细说明。
如图1所示，一种基于物联网的智能电池状态监测***，包括电池组或单支电池；
信息采集模块，与电池组或单支电池连接，用于采集电池模块中每个单体电池的电池状态信息和本电池模块的电池状态信息；
智能数据传输模块，分别与信息采集模块、智能控制单元相连接，用于将所述信息采集模块所采集电池模块中每个单体电池的电池状态信息和电池模块的电池状态信息转发给智能控制单元；
数据存储模块，与智能控制单元相连，智能数据传输模块传输至数据存储模块，并且数据存储模块也存储有预设的参数；数据存储模块可数据，将每次充电过程的充电环境温度、充电过程中电池的温度变化、充电机内部的温度变化、恒流充电电流、恒流充电时间、恒压充电电压、恒压充电时间、脉冲充电电压、脉冲充电电流、脉冲充电时间、脉冲充电的脉宽、电池的初始容量，电池充满后的容量、初始充电参数设定等信息实时的存入数据存储模块，便于用户读取分析。
智能控制单元分别与充放电管控模块、安全保护模块、故障控制单元、存储模块、显示报警模块相连接，用于将所述智能数据传输模块发送的电池状态信息与数据存储模块内的预先设置的电池状态信息进行比较，根据比较结果，对应地向所述充放电管控模块、安全保护模块、存储模块、显示报警模块发送信号，分别控制所述充放电管控、安全保护、存储、显示报警单元的工作状态；
上位机，上位机与智能控制单元相连，智能控制单元由DSP读取电池状态并根据状态做出相应的保护同时通过通讯模块将数据转给上位机或云端；
客户端管理软件与移动端APP，上位机或云端通过网络和客户端管理软件与移动端APP相连。可通 过客户端管理软件与移动端APP控制并切断电池输出达到防盗的功能。
对于所述智能控制单元，具体实现上，用于如果所述智能数据传输模块发送的单体电池的状态信息中某个单体电池与其他单体电池的电压差值超出预先设定的正常电压差值，那么对应地向所述充放电管控模块、安全保护模块发送高电平的均衡控制信号，控制所述充放电管控模块、安全保护模块对所述电池模块内单体电池的电压进行均衡管理操作，直到让电池模块内任意两个单体电池之间的电压差值恢复到预先设定的正常电压差值为止；
如果所述智能数据传输模块发送的电池模块电池状态信息不在预先设置的电池模块正常工作状态之内，那么对应地向所述故障控制单元发送高电平的故障管理控制信号，控制所述故障控制单元启动运行，实现对所述电池模块进行故障隔离控制(即让电池模块停止输出电压和电流)，直到电池模块电池状态信息恢复到预先设置的电池模块正常工作状态时才关闭运行故障控制单元；例如，所述智能数据传输模块发送的电池模块电池状态信息中的电压超过或者低于预设故障电压阀值范围，或者所述电池模块电池状态信息中的电流超过预设故障电流阀值范围，或者所述电池模块电池状态信息中的温度超过预设故障温度阀值范围时，说明所述智能数据传输模块发送的电池状态信息不在预先设置的正常工作状态之内。
智能控制单元通过DSP计算SOC/SOH，电容、电压、温度在内的电池信息，同时发出MOSFet控制信号，与上位机进行数据传输同时接受上位机的控制指令，温度传感器为LM75A温度传感器。
智能控制单元设有唯一RFID标签，用于识别该单体电池，所述智能控制单元通过MOSFet驱动电路控制电池组或单支电池。
智能控制单元将信息采集模块采集到的信息上传至上位机或云端，上位机或云端通过GSM/GPRS控制模块或RJ45链接以太网连接客户端管理软件或移动端APP，上位机ARM/Linux***收到终端指令后通过授权后给DSP发出控制请求。
上位机与智能控制单元通过有线传输、无线传输、GPRS、GSM或IP通讯进行数据传输，可通过客户端管理软件与移动端APP设置不同的支付方式供用户选择。
所述安全保护模块包括均衡单元，通过控制均衡控制开关的开启或关闭，对所述电池模块进行均衡控制；热管理单元，通过控制热管理控制开关的开启或关闭，对所述电池模块进行热管理控制；故障控制单元，通过控制故障控制开关的开启或关闭，对所述电池模块进行故障隔离控制。
智能电池状态监测***的工作过程：进行充电时，可根据需要针对要进行充电的电池进行参数配置，信息采集模块采集由温度传感器发来的环境温度信号，依据温度补充公式控制主电源电路自行进行充电电压的调整，智能控制单元根据数据存储模块初始设定的均衡条件，采集从智能控制单元发来SOC/SOH，电容、电压在内的电池信息，同时发出MOSFet控制信号，与上位机进行数据传输同时接受上位机的控制指令，通过对比，判断出是否需要进行均衡，根据需要将需要进行均衡的电池对应均衡电路打开，对其进行补充充电，直至每节电池的压差都低于设定的均衡充电结束条件，通过客户端管理软件或移动端APP 可以显示充电机和电池的各项技术参数，实现对参数的调整，通讯模块只要外接智能设备具有串口通讯和CAN通讯功能，即可对充电机的各项参数进行读取和配置，同时还可以调取电池使用过程中的所有参数数据，客户端管理软件与移动端APP将每次充电过程的参数设定等信息实时的存入数据存储模块，便于用户读取分析。
多个智能电池模块成组电池***时，采用***集中式管理和电池模块分布式管理相结合的方式，本发明可以依据电池模块内部的控制管理单元独立进行各电池模块具有的分布式管理开关的管理控制；同时，还可以依靠通信单元及时上传各个电池模块的电池状态信息给***智能控制单元，并准确迅速的响应智能控制单元的控制策略。可以做到从每个电池模块的内部分布式管理到所有电池模块外部的***内集中式管理的全面、灵活的智能管理。

Claims (8)

  1. 一种基于物联网的智能电池状态监测***，包括电池组或单支电池；
    信息采集模块，与电池组或单支电池连接，用于采集电池模块中每个单体电池的电池状态信息和本电池模块的电池状态信息；
    智能数据传输模块，分别与信息采集模块、智能控制单元相连接，用于将所述信息采集模块所采集电池模块中每个单体电池的电池状态信息和电池模块的电池状态信息转发给智能控制单元；
    数据存储模块，与智能控制单元相连，智能数据传输模块传输至数据存储模块，并且数据存储模块也存储有预设的参数；
    智能控制单元分别与充放电管控模块、安全保护模块、存储模块、显示报警模块相连接，用于将所述智能数据传输模块发送的电池状态信息与数据存储模块内的预先设置的电池状态信息进行比较，根据比较结果，对应地向所述充放电管控模块、安全保护模块、存储模块、显示报警模块发送信号，分别控制所述充放电管控、安全保护、存储、显示报警单元的工作状态；
    上位机，上位机与智能控制单元相连，智能控制单元由DSP读取电池状态并根据状态做出相应的保护同时通过通讯模块将数据转给上位机或云端；
    客户端管理软件与移动端APP，上位机或云端通过网络和客户端管理软件与移动端APP相连。
  2. 根据权利要求1所述的智能电池状态监测***，其特征在于，智能控制单元通过DSP计算SOC/SOH，电容、电压、温度在内的电池信息，同时发出MOSFet控制信号，与上位机进行数据传输同时接受上位机的控制指令。
  3. 根据权利要求2所述的智能电池状态监测***，其特征在于，所述智能控制单元通过MOSFet驱动电路控制电池组或单支电池，可通过客户端管理软件与移动端APP控制并切断电池输出达到防盗的功能。
  4. 根据权利要求1所述的智能电池状态监测***，其特征在于，智能控制单元将信息采集模块采集到的信息上传至上位机或云端，上位机或云端通过GSM/GPRS控制模块或RJ45链接以太网连接客户端管理软件或移动端APP，上位机ARM/Linux***收到终端指令后通过授权后给DSP发出控制请求。
  5. 根据权利要求1所述的智能电池状态监测***，其特征在于，上位机与智能控制单元通过有线传输、无线传输、GPRS、GSM或IP通讯进行数据传输，可通过客户端管理软件与移动端APP设置不同的支付方式供用户选择。
  6. 根据权利要求1所述的智能电池状态监测***，其特征在于，所述安全保护模块包括均衡单元，通过控制均衡控制开关的开启或关闭，对所述电池模块进行均衡控制；热管理单元，通过控制热管理控制开关的开启或关闭，对所述电池模块进行热管理控制；故障控制单元，通过控制故障控制开关的开启或关闭，对所述电池模块进行故障隔离控制。
  7. 权利要求1所述的智能电池状态监测***的工作过程：进行充电时，可根据需要针对要进行充电 的电池进行参数配置，信息采集模块采集由温度传感器发来的环境温度信号，依据温度补充公式控制主电源电路自行进行充电电压的调整，智能控制单元根据数据存储模块初始设定的均衡条件，采集从智能控制单元发来SOC/SOH，电容、电压在内的电池信息，同时发出MOSFet控制信号，与上位机进行数据传输同时接受上位机的控制指令，通过对比，判断出是否需要进行均衡，根据需要将需要进行均衡的电池对应均衡电路打开，对其进行补充充电，直至每节电池的压差都低于设定的均衡充电结束条件，通过客户端管理软件或移动端APP可以显示充电机和电池的各项技术参数，实现对参数的调整，通讯模块只要外接智能设备具有串口通讯和CAN通讯功能，即可对充电机的各项参数进行读取和配置，同时还可以调取电池使用过程中的所有参数数据，客户端管理软件与移动端APP将每次充电过程的参数设定等信息实时的存入数据存储模块，便于用户读取分析。
  8. 权利要求1所述的智能电池状态监测***在汽车电池组、电信运营行业的能源基站和太阳能发电站中的应用。
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