CN117118088B - Remote monitoring device and control system thereof - Google Patents

Remote monitoring device and control system thereof Download PDF

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Publication number
CN117118088B
CN117118088B CN202311372669.9A CN202311372669A CN117118088B CN 117118088 B CN117118088 B CN 117118088B CN 202311372669 A CN202311372669 A CN 202311372669A CN 117118088 B CN117118088 B CN 117118088B
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charging
battery
module
current
data
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CN117118088A (en
Inventor
张利新
袁振东
李剑英
李贵兵
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Guangdong Sohoo Technology Co ltd
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Guangdong Sohoo Technology Co ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00001Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14Conductive energy transfer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60Monitoring or controlling charging stations
    • B60L53/68Off-site monitoring or control, e.g. remote control
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00002Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0048Detection of remaining charge capacity or state of charge [SOC]
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007Regulation of charging or discharging current or voltage
    • H02J7/00712Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters

Abstract

The invention discloses a remote monitoring device and a control system thereof, which relate to the technical field of charging monitoring, wherein a monitoring module monitors charging equipment data, charging environment data and battery data in real time in the process of constant current charging of a battery, judges whether to stop charging or adjust constant current charging current after comprehensively analyzing the charging equipment data, the charging environment data and the battery data, and when judging that the charging needs to be stopped, the charging module stops outputting current, and when judging that the constant current charging current needs to be adjusted, a current optimizing module calculates and generates a correction current value, the correction current value is sent to the charging module, and the charging module carries out constant current charging on the battery of an electric vehicle by correcting the current value.

Description

Remote monitoring device and control system thereof
Technical Field
The invention relates to the technical field of charging monitoring, in particular to a device capable of being remotely monitored and a control system thereof.
Background
The control system of the remote charging monitoring device is a system for monitoring and managing charging equipment, and aims to improve the efficiency, safety and traceability of battery charging, and the system is generally used for electric vehicle charging stations, industrial equipment, energy storage systems and other scenes needing charging management;
with the popularization of electric vehicles and the continuous development of renewable energy sources, the requirements of battery technology and battery charging equipment are also increasing, batteries are core components of electric vehicles, energy storage systems and mobile equipment, the performance and service life of the batteries are directly affected by charging management, and in order to ensure the safety and performance of the batteries, the charging process needs to be strictly monitored and controlled.
When the electric vehicle is charged, the charging device can provide constant current to rapidly charge the battery, and the current level is usually higher at the moment, because the voltage of the battery is lower, more current is needed to rapidly charge the battery to a certain voltage level, and when the electric vehicle is fully charged, the charging device provides very low current, and only self-discharge loss of the battery is usually sufficient to be supplemented, so that the battery is maintained in a full state;
the prior art has the following defects:
in the charging process, the charging process is monitored mainly through the monitoring device, however, the existing monitoring device only sends out a warning signal and stops power failure when the charging is abnormal, and the current in the constant-current charging process cannot be intelligently adjusted according to the battery performance of the electric vehicle and the performance of charging equipment, so that the battery is easy to damage, the charging equipment is easy to break down, and safety accidents are caused.
Disclosure of Invention
The invention aims to provide a remote monitoring device and a control system thereof, which are used for solving the defects in the background technology.
In order to achieve the above object, the present invention provides the following technical solutions: a remote monitoring device and a control system thereof comprise a user interface module, a control module, a charging module, a monitoring module, a current optimizing module, a communication module and a remote service module;
a user interface module: providing an interface for interaction of the user charging equipment, and inputting charging information by a user through a user interface module;
and the control module is used for: generating a control instruction for controlling the current and the voltage of the battery according to the charging information of the user;
and a charging module: detecting the state of charge of a battery, charging the battery in a constant-current charging mode when the battery charge is not full, charging the battery in a trickle charging mode when the battery charge is full, and stopping charging when the charging head is detected to be pulled out of the electric vehicle socket;
and a monitoring module: during the constant current charging process of the battery, monitoring charging equipment data, charging environment data and battery data in real time, comprehensively analyzing the charging equipment data, the charging environment data and the battery data, judging whether to stop charging or adjust constant current charging current, and stopping outputting current by a charging module when judging that the charging is required to be stopped;
and a current optimization module: when the constant-current charging current is judged to be required to be regulated, calculating to generate a correction current value, and sending the correction current value to a charging module, wherein the charging module is used for carrying out constant-current charging on the battery of the electric vehicle by the correction current value;
and a communication module: transmitting charging data generated by the charging module to a remote service module;
remote service module: and receiving data from the charging control and communication module, and recording and managing.
Preferably, the monitoring module monitors charging equipment data, charging environment data and battery data in real time in the process that the battery is in constant current charging, the charging equipment data comprises equipment heat dissipation coefficients and circuit abnormality indexes, the charging environment data comprises environment temperature floating coefficients, and the battery data comprises battery expansion coefficients.
Preferably, the calculation expression of the heat dissipation coefficient of the device is:
in the method, in the process of the invention,for the heat generated by the charging device during operation, < >>For the difference between the operating temperature of the charging device and the temperature of the fluid +.>For the flow speed of the fluid around the charging device, < >>Is the heat capacity per unit mass of the fluid.
Preferably, the calculation expression of the circuit abnormality index is:
in the method, in the process of the invention,for the number of circuit shorts of the circuit in the monitoring period,/->To monitor the time period.
Preferably, the calculation expression of the ambient temperature floating coefficient is:
in the method, in the process of the invention,is the real-time temperature of the environment, +.>For the time period of the early warning of the illumination intensity of the charging area,and (5) a period of early warning for the wind speed in the charging area.
Preferably, the calculation expression of the expansion coefficient of the battery is:
in the method, in the process of the invention,real-time expansion amount when charging battery, +.>And (5) a time period for battery temperature early warning.
Preferably, the monitoring module comprehensively calculates the equipment heat dissipation coefficient, the circuit abnormality index, the ambient temperature floating coefficient and the battery expansion coefficient to obtain the optimization coefficientThe computational expression is:
in the method, in the process of the invention,for the heat dissipation coefficient of the device->Index of circuit abnormality>Is the ambient temperature floating coefficient->For the battery expansion coefficient, +.>、/>、/>、/>The device heat dissipation coefficient, the circuit abnormality index, the ambient temperature floating coefficient and the battery expansion coefficient are respectively proportional coefficients, and +.>、/>、/>、/>Are all greater than 0.
Preferably, if the coefficients are optimizedThe value is more than or equal to a second threshold value, and no abnormality exists in the charging process;
if the coefficient is optimizedThe value is smaller than the first threshold value, and the charging process is judged to be abnormal and serious, and the charging cannot be continued at the moment;
if the first threshold value is less than or equal to the optimization coefficientThe value < the second threshold value, judging that the charging process is abnormal, but the abnormality is slight.
Preferably, when it is determined that the constant current charging current needs to be adjusted, the current optimization module calculates and generates a correction current value, the correction current value is sent to the charging module, and the charging module performs constant current charging on the electric vehicle battery by using the correction current value:
the calculation expression of the correction current value is as follows:
in the method, in the process of the invention,for correcting the current value +.>Is the initial output current value during constant current charging, +.>To optimize the coefficients.
The invention also provides a remote monitoring device which comprises charging equipment, wherein a charging controller is fixedly arranged on the charging equipment, the charging controller collects battery charging information through a sensor arranged on the electric vehicle, and the charging controller collects charging equipment information through a sensor arranged on the charging equipment.
In the technical scheme, the invention has the technical effects and advantages that:
1. according to the invention, the monitoring module monitors charging equipment data, charging environment data and battery data in real time in the constant-current charging process of the battery, after comprehensively analyzing the charging equipment data, the charging environment data and the battery data, judging whether to stop charging or adjust constant-current charging current, when judging that charging is required to be stopped, the charging module stops outputting current, when judging that constant-current charging current is required to be adjusted, the current optimizing module calculates and generates a correction current value, the correction current value is sent to the charging module, the charging module carries out constant-current charging on the battery of the electric vehicle by using the correction current value, and the control system not only can warn about abnormal charging, but also can carry out real-time adjustment on current in the constant-current charging process according to the current charging state, so that safe charging of the battery of the electric vehicle is ensured;
2. the invention obtains the optimization coefficient by comprehensively calculating the equipment heat dissipation coefficient, the circuit abnormality index, the ambient temperature floating coefficient and the battery expansion coefficient through the monitoring moduleThe data of the charging equipment, the charging environment and the battery are comprehensively analyzed, the analysis is more comprehensive, and the data processing efficiency is effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a block diagram of a system according to the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1: referring to fig. 1, a control system of a remote monitoring device according to the present embodiment includes a user interface module, a control module, a charging module, a monitoring module, a current optimization module, a communication module, and a remote service module;
A. a user interface module: providing an interface for interaction of the user charging equipment, wherein the interface is usually presented in the form of a Graphical User Interface (GUI) or a mobile application program, and a user can start, stop, plan charging, check the charging state, pay fees and the like by using the interface, and the charging information of the user is sent to the control module;
and (3) starting an interface: the user opens a mobile application or accesses a graphical user interface on the charging device; this is the starting point for the user to interact with the system;
login or authentication (optional): if user authentication or login is required, the user interface module may require the user to enter a user name and password, or authentication using biometric features (such as fingerprint or facial recognition);
view charging device map (optional): the user interface may provide a map showing the locations of nearby charging stations or posts for the user to select a charging location;
selecting a charging device: the user can select one device from the available charging device list to charge; this may include charging stations, charging piles or other devices;
starting charging: the user may initiate the charging process, typically by clicking a button or option;
charge speed and time (optional) are selected: the user interface typically allows the user to select a charge rate (fast charge, standard charge, etc.) and a charge time; the user may choose according to the charging needs and the cost plan;
monitoring the charging state in real time: the user can monitor the charging state on the interface in real time, including the current battery power, the charging speed, the remaining charging time and the like;
pause or stop charging (optional): if the user needs to pause or stop charging, the interface typically provides relevant options; this may be for battery replacement, reduced charging costs, or other reasons;
billing and payment (optional): if the charge is paid, the user can view the cost details on the interface and select a payment mode for payment; this may include credit card payments, cell phone payments, or other electronic payment means;
charging history and report (optional): the user may access the charge history record and report to view previous charge records, cost details, and battery status history; this facilitates cost management and battery performance tracking for the user;
security and support (optional): the user interface typically provides security information, emergency contact information, and support options for the user to obtain assistance when a problem arises;
exit interface: the user can exit the interface after completing charging or meeting the requirements, and the interaction is ended.
B. And the control module is used for: generating a control instruction for controlling the current and the voltage of the battery according to the charging information of the user, suspending charging or starting charging when required, and sending the control instruction to a charging module;
receiving user charging information: the charging control module firstly receives charging information from the user interface module, wherein the charging information comprises charging speed, charging period, estimated charging duration and the like selected by a user;
generating a charging control instruction: according to the charging requirement of the user and the battery state, the charging control module generates a corresponding charging control instruction; the instructions may include:
setting current and voltage: controlling the current and voltage levels of battery charging to meet the user selected charging speed and battery status;
starting charging: if the user has selected to initiate charging, the module will send an initiate command to begin the charging process;
suspending charging: if desired, during the charging process, the module may send a pause charging command, for example, when the battery is overheated or other problems occur;
adjusting the charging speed: according to the battery state and the requirements of a user, the module can adjust the charging speed and increase or decrease the charging current;
and (3) sending a control instruction: the charging control module sends the generated control instruction to the charging equipment to actually control the charging process; this may be accomplished by transmitting through a communication interface with the charging device.
C. And a charging module: detecting the state of charge of a battery, charging the battery in a constant-current charging mode when the battery charge is not full, charging the battery in a trickle charging mode when the battery charge is full, stopping charging when detecting that a charging head is pulled out of an electric vehicle socket, and sending charging data to a remote service module through a communication module;
detecting the state of charge of a battery: the charging module periodically detects the state of charge of the battery, typically by monitoring the voltage and current of the battery and information provided by a Battery Management System (BMS);
judging the electric quantity of a battery: according to the detected battery electric quantity and a preset charging strategy, the charging module judges whether the battery is full or nearly full;
constant current charging stage: if the electric quantity of the battery is not full, the charging module adopts a constant current charging mode; at this stage, the charging module provides a constant charging current to rapidly charge the battery and increase the battery charge to a certain extent;
trickle charge phase: once the battery charge is nearly full, the charging module switches to trickle charge mode; at this stage, the charging module will provide very low current, sufficient only to maintain the battery full state and compensate for the self-discharge of the battery;
monitoring the state of the charging head: the charging module can continuously monitor the connection state between the charging head and the electric vehicle socket; if the charging head is detected to be pulled out of the electric vehicle socket, the charging module immediately takes corresponding measures;
stopping charging: when the charging head is pulled out of the electric vehicle socket, the charging module immediately stops the charging process to prevent any potential battery damage or safety problems.
D. And a monitoring module: and in the process that the battery is in constant current charging, monitoring charging equipment data, charging environment data and battery data in real time, comprehensively analyzing the charging equipment data, the charging environment data and the battery data, judging whether to stop charging or adjust constant current charging current, and when judging that the charging needs to be stopped, stopping outputting the current by the charging module, and sending a judgment result to the current optimizing module.
E. And a current optimization module: when the constant current charging current is judged to be required to be regulated, calculating to generate a correction current value, and sending the correction current value to a charging module, wherein the charging module is used for carrying out constant current charging on the electric vehicle battery by the correction current value.
F. And a communication module: providing communication capability with the remote service module and other remote devices for remote monitoring and management, transmitting the state of charge, battery status and user operation to the remote service module via the internet or other communication network, receiving remote commands and updates;
establishing a communication connection: the communication module firstly establishes communication connection with a remote server or a cloud platform, and is usually realized through the Internet or other communication networks, such as Wi-Fi, a cellular network and the like;
transmitting charge state information: the communication module can periodically or when the charging state changes, the communication module transmits charging state information, including data such as battery capacity, charging current, voltage, temperature and the like; these data are sent to a remote server for real-time monitoring and recording;
transmitting battery state information: the communication module also transmits battery state information including battery health status, remaining life, temperature, voltage balance, etc.; this helps the remote monitoring system to know the health of the battery;
transmitting user operation information: when a user performs operations on the user interface, such as starting charging, stopping charging, adjusting charging parameters, and the like, the communication module transmits the operation information to the remote server; in this way, the charging operation of the user can be recorded and responded to;
receiving remote commands and updates: the communication module receives commands and updates from a remote server, which may include charge start or stop commands, charge speed adjustment instructions, system software updates, etc.; the communication module is responsible for analyzing the commands and executing corresponding operations;
data encryption and security are realized: the communication module will typically use encryption and security protocols to protect the transmitted data to ensure confidentiality and integrity of the charging information;
handling network interrupts and errors: if the communication module encounters a network disruption or error during communication, it will attempt to reconnect and handle any error conditions to ensure reliable transmission of data;
maintaining a communication log (optional): the communication module can maintain a communication log and record a communication history for fault removal and audit purposes;
providing user feedback (optional): the communication module may provide feedback information to the user interface module to inform the user of the remote operation and status update.
G. Remote service module: storing, processing and analyzing charging data, providing remote monitoring and management functions, receiving data from a charging control and communication module, recording charging history, generating a report, and supporting remote access and management of users;
receiving data: the remote service module firstly receives data from the charging control module and the communication module; such data includes information such as state of charge, battery status, user operation, and system events;
storing data: the received data may be stored in a database or data storage system; this includes charging history data, charging device information, user information, and the like; the data is stored for subsequent analysis and querying;
processing and analyzing the data: the remote service module processes and analyzes the stored data; this may include data cleansing, aggregation, statistical analysis, and anomaly detection; the data analysis may be used to monitor charging device performance, battery health, user behavior, etc.;
generating a report: based on the results of the data analysis, the remote service module may generate various reports including a charge history report, a charge fee report, a battery health report, and the like; these reports may be used for user billing, maintenance planning, and performance optimization;
support user remote access: the remote service module provides an interface for the user to remotely access, and the user can access information such as charging data, charging history, reports, equipment states and the like through a mobile application program or a webpage; the user can remotely monitor and manage the charging process;
remote control and command: the remote service module may receive remote commands from the user interface module, such as start charging, stop charging, adjust charging parameters, etc.; these commands will be passed to the charge control module to perform the corresponding operations;
data security and privacy protection: the remote service module is responsible for ensuring the safety and privacy protection of the stored data; this includes security measures such as data encryption, access control and authentication;
implementing alarms and notifications (optional): if the system monitors an abnormal situation, such as a charging equipment failure or a battery problem, the remote service module can implement an alarm and notification to take timely action;
maintaining system performance: the remote service module is also responsible for monitoring the performance of the system, ensuring the normal operation of the system and executing maintenance tasks when needed;
technical support (optional) is provided: the remote service module can provide technical support to help users solve questions and answer questions so as to improve user experience.
According to the method, the charging equipment data, the charging environment data and the battery data are monitored in real time through the monitoring module in the process that the battery is in constant current charging, after the charging equipment data, the charging environment data and the battery data are comprehensively analyzed, whether charging is needed to be stopped or constant current charging current is regulated is judged, when the charging is needed to be stopped, the charging module stops outputting current, when the constant current charging current is judged to be regulated, the current optimizing module calculates to generate a correction current value, the correction current value is sent to the charging module, the charging module is used for carrying out constant current charging on the electric vehicle battery by the correction current value, and the control system not only can warn charging abnormality, but also can carry out real-time regulation on current in the constant current charging process according to the current charging state, so that safe charging of the electric vehicle battery is ensured.
Example 2: the monitoring module monitors charging equipment data, charging environment data and battery data in real time in the process of constant current charging of the battery, and after comprehensively analyzing the charging equipment data, the charging environment data and the battery data, judges whether to stop charging or adjust constant current charging current, and when judging that the charging needs to be stopped, the charging module stops outputting current;
the monitoring module monitors charging equipment data, charging environment data and battery data in real time in the process that the battery is in constant current charging, wherein the charging equipment data comprises equipment heat dissipation coefficients and circuit abnormality indexes, the charging environment data comprises environment temperature floating coefficients, and the battery data comprises battery expansion coefficients;
the monitoring module comprehensively calculates the equipment heat dissipation coefficient, the circuit abnormality index, the ambient temperature floating coefficient and the battery expansion coefficient to obtain an optimization coefficientThe computational expression is:
in the method, in the process of the invention,for the heat dissipation coefficient of the device->Index of circuit abnormality>Is the ambient temperature floating coefficient->For the battery expansion coefficient, +.>、/>、/>、/>The device heat dissipation coefficient, the circuit abnormality index, the ambient temperature floating coefficient and the battery expansion coefficient are respectively proportional coefficients, and +.>、/>、/>、/>Are all greater than 0.
The calculation expression of the heat dissipation coefficient of the equipment is as follows:
in the method, in the process of the invention,for the heat generated by the charging device during operation, < >>For the difference between the operating temperature of the charging device and the temperature of the fluid +.>For the flow speed of the fluid around the charging device, < >>A heat capacity per unit mass of fluid;
the larger the heat dissipation coefficient of the equipment is, the stronger the heat dissipation capability of the charging equipment is, and the heat can be dissipated to the surrounding environment more quickly, so that the temperature of the charging equipment can be effectively reduced, the working efficiency of the charging equipment is improved, and the service life of the charging equipment is prolonged;
the smaller the device heat dissipation coefficient is, the weaker the heat dissipation capability of the charging device is, which causes the following problems of the charging device:
overheating problem: the weak heat dissipation capability of the device may cause the temperature of the device to rise during high load operation; excessive temperatures may damage electronic components inside the device and even cause device failure;
performance is reduced: electronic devices in high temperature environments typically suffer from reduced performance; this includes reducing the operating efficiency and reliability of the electronic components, thereby affecting the overall performance of the device;
the lifetime of the electronic component is shortened: the high temperature shortens the life of the electronic component because it accelerates the aging and damage process of the material; this may result in the device requiring more frequent maintenance or replacement of parts;
energy waste: under high temperature conditions, the device may require more energy to remain operating properly because a portion of the electrical energy may be used to dissipate heat rather than for the actual task of the device; this results in waste of energy;
safety risk: high temperature devices may increase the potential for fire and other security risks, as electronic devices are more prone to failure or damage at high temperatures.
The calculation expression of the circuit abnormality index is:
in the method, in the process of the invention,for the number of circuit shorts of the circuit in the monitoring period,/->For a monitoring period of time;
the greater the circuit abnormality index, the higher the probability of failure of the charging device, the greater the abnormality coefficient, meaning the higher the risk of device failure, and in the case of a charging device, the greater the abnormality coefficient may mean that the device is more likely to fail, requiring more frequent maintenance or replacement, which also emphasizes the importance of the reliability and stability of the charging device to ensure its normal operation and to extend its useful life.
The calculation expression of the ambient temperature floating coefficient is as follows:
in the method, in the process of the invention,is the real-time temperature of the environment, +.>For the time period of the early warning of the illumination intensity of the charging area,a time period for wind speed early warning in the charging area;
the acquisition logic of the time period of the illumination intensity early warning of the charging area is as follows: the illumination intensity of the charging area is collected in a monitoring season (such as summer), and when the illumination intensity exceeds an intensity threshold value, the illumination intensity is larger for a period of early warning of the illumination intensity of the charging area, and the temperature of the environment of the charging area is raised faster.
The acquisition logic of the time period of the wind speed early warning of the charging area is as follows: and collecting the wind speed of the charging area in a monitoring season (such as summer), and when the wind speed is lower than a wind speed threshold value, giving out early warning to the wind speed of the charging area, wherein the lower the wind speed is, the worse the heat dissipation of the charging area is, and the faster the temperature of the environment of the charging area is increased.
The calculation expression of the expansion coefficient of the battery is as follows:
in the method, in the process of the invention,real-time expansion amount when charging battery, +.>The battery temperature early warning time period is a time period when the battery temperature exceeds a temperature threshold value.
The method and the device comprehensively calculate the equipment heat dissipation coefficient, the circuit abnormality index, the ambient temperature floating coefficient and the battery expansion coefficient through the monitoring module to obtain the optimization coefficientThe data of the charging equipment, the charging environment and the battery are comprehensively analyzed, the analysis is more comprehensive, and the data processing efficiency is effectively improved.
Obtaining optimization coefficientsAfter the value, the optimization coefficient is->The value is respectively compared with a first threshold value and a second threshold value, the first threshold value is smaller than the second threshold value, in the application, according to the calculation expression of the optimization coefficient, the larger the optimization coefficient is, the more the charging is not abnormal, therefore, the second threshold value is used for judging whether the charging process is abnormal, and the first threshold value is used for judging the magnitude of the charging abnormality and specifically comprises the following steps:
if the coefficient is optimizedThe value is more than or equal to a second threshold value, and no abnormality exists in the charging process;
if the coefficient is optimizedThe value is smaller than the first threshold value, and the charging process is judged to be abnormal and serious, and the charging cannot be continued at the moment;
if the first threshold value is less than or equal to the optimization coefficientThe value is smaller than the second threshold value, and the charging process is judged to be abnormal, but the abnormality is slight, and the electric vehicle can be supported to continue to charge, but the constant current charging current is required to be reduced at the moment, so that the safe charging of the electric vehicle is ensured.
When judging that the constant current charging current needs to be regulated, the current optimization module calculates and generates a correction current value, the correction current value is sent to the charging module, and the charging module carries out constant current charging on the electric vehicle battery by the correction current value, specifically:
the calculation expression of the correction current value is as follows:
in the method, in the process of the invention,for correcting the current value +.>Is the initial output current value during constant current charging, +.>To optimize the coefficients.
And after the correction current value is obtained, the correction current value is sent to a charging module, and the charging module is used for carrying out constant-current charging on the electric vehicle battery by the correction current value.
Example 3: the embodiment is that but remote monitoring device, including charging equipment, the fixed charge controller that is provided with on the charging equipment, charge controller gathers battery charging information through the sensor that disposes on the electric motor car, charge controller gathers charging equipment information through the sensor that disposes on the charging equipment, and charging equipment is the physical equipment that is used for connecting the electric motor car and provides the electric energy, and the stake of charging generally includes plug, charging cable, charging interface and power connection.
The above formulas are all formulas with dimensions removed and numerical values calculated, the formulas are formulas with a large amount of data collected for software simulation to obtain the latest real situation, and preset parameters in the formulas are set by those skilled in the art according to the actual situation.
The above embodiments may be implemented in whole or in part by software, hardware, firmware, or any other combination. When implemented in software, the above-described embodiments may be implemented in whole or in part in the form of a computer program product. The computer program product comprises one or more computer instructions or computer programs. When the computer instructions or computer program are loaded or executed on a computer, the processes or functions described in accordance with the embodiments of the present application are all or partially produced. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from one website site, computer, server, or data center to another website site, computer, server, or data center by wired or wireless means (e.g., infrared, wireless, microwave, etc.). The computer readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains one or more sets of available media. The usable medium may be a magnetic medium (e.g., floppy disk, hard disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium. The semiconductor medium may be a solid state disk.
It should be understood that the term "and/or" is merely an association relationship describing the associated object, and means that three relationships may exist, for example, a and/or B may mean: there are three cases, a alone, a and B together, and B alone, wherein a, B may be singular or plural. In addition, the character "/" herein generally indicates that the associated object is an "or" relationship, but may also indicate an "and/or" relationship, and may be understood by referring to the context.
In the present application, "at least one" means one or more, and "a plurality" means two or more. "at least one of" or the like means any combination of these items, including any combination of single item(s) or plural items(s). For example, at least one (one) of a, b, or c may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, c may be single or plural.
It should be understood that, in various embodiments of the present application, the sequence numbers of the foregoing processes do not mean the order of execution, and the order of execution of the processes should be determined by the functions and internal logic thereof, and should not constitute any limitation on the implementation process of the embodiments of the present application.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, and are not repeated herein.
In the several embodiments provided in this application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in each embodiment of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a read-only memory (ROM), a random access memory (random access memory, RAM), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes and substitutions are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (3)

1. A control system for a remotely monitorable device, characterized by: the system comprises a user interface module, a control module, a charging module, a monitoring module, a current optimization module, a communication module and a remote service module;
a user interface module: providing an interface for interaction of the user charging equipment, and inputting charging information by a user through a user interface module;
and the control module is used for: generating a control instruction for controlling the current and the voltage of the battery according to the charging information input by the user;
and a charging module: detecting the state of charge of a battery, charging the battery in a constant-current charging mode when the battery charge is not full, charging the battery in a trickle charging mode when the battery charge is full, and stopping charging when the charging head is detected to be pulled out of the electric vehicle socket;
and a monitoring module: during the constant current charging process of the battery, monitoring charging equipment data, charging environment data and battery data in real time, comprehensively analyzing the charging equipment data, the charging environment data and the battery data, judging whether to stop charging or adjust constant current charging current, and stopping outputting current by a charging module when judging that the charging is required to be stopped;
and a current optimization module: when the constant-current charging current is judged to be required to be regulated, calculating to generate a correction current value, and sending the correction current value to a charging module, wherein the charging module is used for carrying out constant-current charging on the battery of the electric vehicle by the correction current value;
and a communication module: transmitting charging data generated by the charging module to a remote service module;
remote service module: receiving data from a charging control and communication module, and recording and managing the data;
the monitoring module monitors charging equipment data, charging environment data and battery data in real time in the process that the battery is in constant current charging, wherein the charging equipment data comprises equipment heat dissipation coefficients and circuit abnormality indexes, the charging environment data comprises environment temperature floating coefficients, and the battery data comprises battery expansion coefficients;
the calculation expression of the heat dissipation coefficient of the equipment is as follows:
in the method, in the process of the invention,for the heat generated by the charging device during operation, < >>For the difference between the operating temperature of the charging device and the temperature of the fluid +.>For the flow speed of the fluid around the charging device, < >>A heat capacity per unit mass of fluid;
the calculation expression of the circuit abnormality index is as follows:
in the method, in the process of the invention,for the number of circuit shorts of the circuit in the monitoring period,/->For a monitoring period of time;
the calculation expression of the ambient temperature floating coefficient is as follows:
in the method, in the process of the invention,is the real-time temperature of the environment, +.>The method comprises the steps of (a) early warning the illumination intensity of a charging area for a period of time, < +.>A time period for wind speed early warning in the charging area;
the calculation expression of the expansion coefficient of the battery is as follows:
in the method, in the process of the invention,real-time expansion amount when charging battery, +.>A time period for battery temperature pre-warning;
the monitoring module comprehensively calculates the equipment heat dissipation coefficient, the circuit abnormality index, the ambient temperature floating coefficient and the battery expansion coefficient to obtain an optimization coefficientThe computational expression is:
in the method, in the process of the invention,for the heat dissipation coefficient of the device->Index of circuit abnormality>Is the ambient temperature floating coefficient->For the battery expansion coefficient, +.>、/>、/>、/>The device heat dissipation coefficient, the circuit abnormality index, the ambient temperature floating coefficient and the battery expansion coefficient are respectively proportional coefficients, and +.>、/>、/>、/>Are all greater than 0;
if the coefficient is optimizedThe value is more than or equal to a second threshold value, and no abnormality exists in the charging process;
if the coefficient is optimizedThe value is smaller than the first threshold value, and the charging process is judged to be abnormal and serious, and the charging cannot be continued at the moment;
if the first threshold value is less than or equal to the optimization coefficientAnd the value is smaller than the second threshold value, and the condition that the charging process is abnormal is judged, but the constant current charging current is slightly required to be regulated due to the abnormal condition.
2. A control system for a remotely monitorable device according to claim 1 and wherein: when the constant current charging current is judged to be required to be regulated, the current optimization module calculates and generates a correction current value, the correction current value is sent to the charging module, and the charging module is used for carrying out constant current charging on the electric vehicle battery by the correction current value:
the calculation expression of the correction current value is as follows:
in the method, in the process of the invention,for correcting the current value +.>Is the initial output current value during constant current charging, +.>To optimize the coefficients.
3. A remotely monitorable device for implementing the control system of claim 1 or claim 2 and characterised by: the charging device comprises charging equipment, a charging controller is fixedly arranged on the charging equipment, the charging controller collects battery charging information through a sensor configured on the electric vehicle, and the charging controller collects charging equipment information through a sensor configured on the charging equipment.
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