Battery management control system

Abstract

The present invention discloses a battery management and control system, including: a battery online monitoring host, which is respectively connected with a single cell temperature acquisition module, a redundant switching module, a balancing acquisition module, a battery pack redundant switching module, a battery pack parameter acquisition module and an indoor environment acquisition module; the soft key determines the key function according to the prompt of the high-resolution TFT true color LCD screen, and the high-resolution TFT true color LCD screen includes a monitoring main interface and a main menu interface and the alarm information query, communication status query, single cell voltage query, single cell internal resistance query, operation control, alarm threshold setting, installation parameter setting and manufacturer setting functions displayed on the main menu interface. The beneficial effect of the present invention is that the system can remotely and centrally monitor and manage multiple substations through a universal browser, facilitate remote maintenance, save maintenance time, and improve maintenance efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of battery management and control, in particular to a battery management and control system. Background Art

[0002] With the rapid development of modern power plants, energy demand growth and energy shortages are very prominent, especially in the battery charging and discharging management of power plants. When one of the batteries fails, the entire circuit will not work, the battery cannot be switched, the working reliability is low, there is a lack of supervision, and the cost of maintenance is very high. Summary of the invention

[0003] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a battery management control system.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] A battery management control system, comprising:

[0006] The battery online monitoring host is respectively connected to a single cell temperature acquisition module, a redundant switching module, a balancing acquisition module, a battery pack redundant switching module, a battery pack parameter acquisition module and an indoor environment acquisition module;

[0007] The battery online monitoring host is provided with a status indicator light, four soft keys and a high-resolution TFT true color LCD screen;

[0008] The status indicator lights include a power indicator light, a communication indicator light, a fault indicator light and an alarm indicator light. The soft keys determine the button functions according to the prompts of the high-resolution TFT true-color LCD screen. The high-resolution TFT true-color LCD screen includes a monitoring main interface and a main menu interface, and the main menu interface displays alarm information query, communication status query, single cell voltage query, single cell internal resistance query, operation control, alarm threshold setting, installation parameter setting and manufacturer setting functions.

[0009] Preferably, the battery online monitoring host, single cell temperature acquisition module, redundant switching module, balancing acquisition module, battery pack redundant switching module, battery pack parameter acquisition module and indoor environment acquisition module are all installed in the battery management and control system panel cabinet.

[0010] Preferably, when the battery online monitoring host monitors normal operation after power-on, the power indicator light flashes at a frequency of 1 Hz. When it does not flash, it indicates that the power supply of the battery online monitoring host is abnormal. When there is data on the bus, the communication indicator light flashes. When the communication is abnormal, the light flashes for a longer time. During normal operation, the fault indicator light goes out. When there is an important protection signal or equipment failure, the fault indicator light is always on. During normal operation, the alarm indicator light goes out. When an alarm occurs, the alarm indicator light is always on. After receiving the reset signal, the alarm indicator light goes out.

[0011] Preferably, the monitoring main interface is used to display the total voltage of the battery pack, battery charge and discharge current, temperature, humidity, smoke concentration, single cell voltage, single cell electrode temperature, single cell internal resistance, balancing module working status, battery rotation status, date and time; if there is fault alarm information, the fault alarm record is automatically displayed in the alarm editing box, and the fault or alarm indicator light is on; if the internal resistance is being measured, it will prompt that the internal resistance measurement is in progress. After 10 seconds of powering on or operating a button, the interface will poll every 2 seconds to display the next page of single cell voltage, temperature, balancing working status, and rotation status data.

[0012] Preferably, the alarm information query can query the time, alarm code, and alarm event content of historical alarms;

[0013] The communication status query can query the communication status of each module connected to the battery online monitoring host;

[0014] The single cell voltage query displays the battery single cell voltage in the form of a list and a bar graph. The accurate value of the single cell voltage of the current battery pack can be viewed through the table mode, and the value of the single cell voltage of the current battery pack can be compared through the bar graph mode;

[0015] The single cell internal resistance query displays the battery single cell internal resistance in the form of a list and a bar graph. The accurate value of the single cell internal resistance of the current battery pack can be viewed through the table mode, and the value of the single cell internal resistance of the current battery pack can be compared through the bar graph mode.

[0016] Preferably, the operation control is used to turn on / off the balancing function; the working mode of the switching module includes a timed switching mode in which the timed switching time can be set and a manual switching mode; a timed measurement function in which the timed measurement time can be set and a manual battery internal resistance measurement function.

[0017] Preferably, the alarm threshold setting includes a single voltage alarm threshold setting, a total voltage alarm threshold setting, a current alarm threshold setting, a temperature alarm threshold setting, a humidity alarm threshold setting, and a smoke alarm threshold setting;

[0018] The installation parameter settings include battery pack parameter settings, local network, save interval time, communication interface parameter settings, date and time settings;

[0019] The factory setting functions include host address setting, slave address setting, local MAC address setting, balanced acquisition module parameter calibration, factory reset and version information.

[0020] Compared with the prior art, the beneficial effects of the present invention are: based on the existing DC bus facilities, the power battery pack is balanced with large current to ensure that the voltage of each battery in the group is maintained at the same level, and active preventive maintenance is performed to increase the operating life of the battery; and the voltage, temperature, and internal resistance of the single battery, the voltage of the entire battery group, the charge and discharge current, and the temperature and humidity of the battery room environment are accurately detected. At the same time, the "M+N" rotation mode can be adopted. Under the premise of ensuring the output voltage, the system will have M batteries in working state and N batteries in rest state. The timing and manual switching rotation can be selected to extend the life of the battery pack; when the battery fails, it can also choose to automatically judge or manually confirm the switching of the faulty battery. When some batteries in the battery pack fail, the rotation equipment can eliminate the barrel effect and ensure the discharge output voltage and discharge time of the battery pack; this system can remotely and centrally monitor and manage multiple substations through a universal browser, which is convenient for remote maintenance, saves maintenance time, and improves maintenance efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 Schematic diagram of the system of the present invention. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] See also Figure 1 , the present invention provides a technical solution:

[0024] A battery management control system, comprising:

[0025] The battery online monitoring host is respectively connected to a single cell temperature acquisition module, a redundant switching module, a balancing acquisition module, a battery pack redundant switching module, a battery pack parameter acquisition module and an indoor environment acquisition module;

[0026] The battery online monitoring host is provided with a status indicator light, four soft keys and a high-resolution TFT true color LCD screen;

[0027] The status indicator lights include a power indicator light, a communication indicator light, a fault indicator light and an alarm indicator light. The soft keys determine the button functions according to the prompts of the high-resolution TFT true-color LCD screen. The high-resolution TFT true-color LCD screen includes a monitoring main interface and a main menu interface, and the main menu interface displays alarm information query, communication status query, single voltage query, single internal resistance query, operation control, alarm threshold setting, installation parameter setting and manufacturer setting functions;

[0028] In the main menu interface, press the main menu key to enter the main menu display interface. In the main menu interface, press the up or down key to switch the cursor to the menu item you want to enter, press the confirm key to enter the selected menu item, and press the return key to exit the menu operation and return to the main interface display state.

[0029] Among them, the main function of the button

[0030] Confirm key: enter the menu item display interface where the cursor is located;

[0031] Up or down key: change menu items;

[0032] Back button: Return to the main interface.

[0033] Specifically, the battery online monitoring host, single cell temperature acquisition module, redundant switching module, balancing acquisition module, battery pack redundant switching module, battery pack parameter acquisition module and indoor environment acquisition module are all installed in the battery management and control system panel cabinet.

[0034] Specifically, when the battery online monitoring host monitors normal operation after power-on, the power indicator light flashes at a frequency of 1 Hz. When it does not flash, it indicates that the power supply of the battery online monitoring host is abnormal. When there is data on the bus, the communication indicator light flashes. When the communication is abnormal, the light flashes for a longer time. During normal operation, the fault indicator light goes out. When there is an important protection signal or equipment failure, the fault indicator light is always on. During normal operation, the alarm indicator light goes out. When an alarm occurs, the alarm indicator light is always on. After receiving the reset signal, the alarm indicator light goes out.

[0035] Specifically, the monitoring main interface is used to display the total voltage of the battery pack, battery charge and discharge current, temperature, humidity, smoke concentration, single cell voltage, single cell electrode temperature, single cell internal resistance, balancing module working status, battery rotation status, date and time; if there is fault alarm information, the fault alarm record will be automatically displayed in the alarm editing box, and the fault or alarm indicator light will be on; if the internal resistance is being measured, it will prompt that the internal resistance measurement is in progress. After 10 seconds of powering on or operating a button, the interface will poll every 2 seconds to display the next page of single cell voltage, temperature, balancing working status, and rotation status data.

[0036] The function button prompt bar on the monitoring main interface displays from left to right: main menu, page up, page down, switch battery pack;

[0037] The main functions of the buttons

[0038] Main menu button: display and enter the main menu interface;

[0039] Up or down key: switch to display the measurement parameter information of other numbered batteries in this battery pack;

[0040] Switch battery pack key: switch to another battery pack to measure parameters.

[0041] Specifically, the main menu interface is used to display alarm information query, communication status query, single cell voltage query, single cell internal resistance query, operation control, alarm threshold setting, installation parameter setting, and manufacturer setting functions.

[0042] Specifically, the alarm information query can query the time, alarm code, and alarm event content of historical alarms;

[0043] In the main menu interface, use the up or down key to switch the cursor to the alarm information query interface, and press the OK key to enter the alarm information query interface, where you can view the latest alarm time, alarm code, and alarm event content;

[0044] Among them, the main function of the button

[0045] Alarm reset button: reset the currently displayed fault alarm signal;

[0046] Up or down key: you can view the historical alarm records of other time periods;

[0047] Back button: Return to the main menu interface.

[0048] The communication status query can query the communication status of each module connected to the battery online monitoring host;

[0049] In the main menu interface, press the up or down key to select the communication status query menu item, and press the OK key to enter the communication status query interface.

[0050] The communication status query can check the communication status of the corresponding balancing acquisition module, single cell temperature acquisition module, redundant switching module, battery pack and environmental parameter monitoring module. Normal communication will display "N" and abnormal communication will display ".".

[0051] Among them, the main function of the button

[0052] Back button: Return to the main menu interface.

[0053] The single cell voltage query displays the battery single cell voltage in the form of a list and a bar graph. The accurate value of the single cell voltage of the current battery pack can be viewed through the table mode, and the value of the single cell voltage of the current battery pack can be compared through the bar graph mode;

[0054] In the main menu interface, press the up or down key to select the single voltage query menu item, and press the OK key to enter the single voltage query interface;

[0055] Among them, the main function of the button

[0056] Switch battery group button: Use this button to switch and display the single cell voltage information of battery group 1# or battery group 2#;

[0057] Up or down button: When one screen cannot display all battery cell voltages, you can switch to display the most recent measured values ​​of other battery cell voltages in the group;

[0058] Back button: Return to the main menu interface.

[0059] The single cell internal resistance query displays the battery single cell internal resistance in the form of a list and a bar graph. The accurate value of the single cell internal resistance of the current battery pack can be viewed through the table mode, and the value of the single cell internal resistance of the current battery pack can be compared through the bar graph mode;

[0060] In the main menu interface, press the up or down key to select the monomer internal resistance query menu item, and press the OK key to enter the monomer internal resistance query interface;

[0061] Among them, the main function of the button

[0062] Switch battery pack button: Use this button to switch and display the internal resistance information of the single cells of battery pack 1# or battery pack 2#;

[0063] Up or down button: When one screen cannot display the internal resistance of all battery cells, you can switch to display the most recent measured value of the internal resistance of other battery cells in this group;

[0064] Back button: Return to the main menu interface.

[0065] Specifically, the operation control is used to turn on / off the balancing function; the working mode of the switching module includes a timed switching mode in which the timed switching time can be set and a manual switching mode; a timed measurement function in which the timed measurement time can be set and a manual battery internal resistance measurement function.

[0066] In the main menu interface, press the up or down key to select the motion control menu item, and press the OK key to enter the motion control setting interface;

[0067] Among them, the main function of the button

[0068] The button functions in non-editing state are as follows:

[0069] Modify button: on the check box, select or cancel the corresponding function; on the edit box, enter the editing state;

[0070] Up or down button: change the cursor position and select different functions;

[0071] Back button: return to the main menu interface;

[0072] The functions of the buttons in the editing state are as follows:

[0073] Save button: confirm or save the set parameter value;

[0074] Up and down keys to modify the value: change the value of the current edit box, long press to change continuously;

[0075] Cancel key: return to non-editing state;

[0076] Function introduction:

[0077] Battery Pack #1 and Battery Pack #2 have the same functions and are introduced together.

[0078] 1) Equalization function: turn on or off the equalization function.

[0079] 2) Manually switch the battery: After entering the correct battery number in the "Cut-in battery number" and "Cut-out battery number" edit boxes, change the battery's working or rest status.

[0080] 3) Battery number: Enter the battery number to be repaired.

[0081] 4) Cut out battery number: Enter the working battery number.

[0082] 5) Timed battery switching: The check box turns the function on or off; the edit box enters the time required for the timed switching.

[0083] 6) Manually measure internal resistance: Measure the internal resistance once. During the measurement process, click again to stop measuring.

[0084] 7) Timed measurement of internal resistance: the check box turns the function on or off; the edit box enters the time for the timed measurement.

[0085] Specifically, the alarm threshold setting includes single voltage alarm threshold setting, total voltage alarm threshold setting, current alarm threshold setting, temperature alarm threshold setting, humidity alarm threshold setting, and smoke alarm threshold setting;

[0086] In the main menu interface, press the Up or Down key to select the Alarm Threshold menu item, and press the OK key to enter the Alarm Threshold Setting interface.

[0087] Among them, the main function of the button

[0088] The button functions in non-editing state are as follows:

[0089] Modify button: On the edit box, enter the edit state;

[0090] Up or down button: change the cursor position and select different functions;

[0091] Back button: return to the main menu interface;

[0092] The functions of the buttons in the editing state are as follows:

[0093] Save button: save the set parameter values;

[0094] Up and down keys to modify the value: change the value of the current edit box, long press to change continuously;

[0095] Cancel key: return to non-editing state;

[0096] Function introduction:

[0097] Battery Pack #1 and Battery Pack #2 have the same functions and are introduced together.

[0098] 1)Total voltage upper limit value: Set the battery pack voltage upper limit alarm value.

[0099] 2)Total voltage lower limit: Set the battery pack voltage lower limit alarm value.

[0100] 3)Total current upper limit value: Set the battery pack current upper limit alarm value.

[0101] 4) Single voltage upper limit value: Set the single battery voltage upper limit alarm value.

[0102] 5) Single voltage lower limit: Set the single battery voltage lower limit alarm value.

[0103] 6) Single temperature upper limit value: Set the upper limit alarm value of the single battery temperature.

[0104] 7) Temperature upper limit value: Set the upper limit alarm value of the ambient temperature.

[0105] 8) Temperature lower limit value: Set the lower limit alarm value of the ambient temperature.

[0106] 9) Humidity upper limit value: Set the upper limit alarm value of ambient humidity.

[0107] The installation parameter settings include battery pack parameter settings, local network, save interval time, communication interface parameter settings, date and time settings;

[0108] In the main menu interface, press the up or down key to select the installation parameter menu item, and press the OK key to enter the installation parameter setting interface;

[0109] Among them, the main function of the button

[0110] Confirm key: enter the menu item display page where the cursor is located;

[0111] Up or down key: change menu items;

[0112] Back button: return to the main menu interface;

[0113] Enter the next level menu from the installation parameter setting interface, and press the main function

[0114] The button functions in non-editing state are as follows:

[0115] Modify button: On the edit box, enter the edit state;

[0116] Up or down button: change the cursor position and select different functions;

[0117] Back button: return to the main menu interface;

[0118] The functions of the buttons in the editing state are as follows:

[0119] Save button: save the set parameter values;

[0120] Up and down keys to modify the value: change the value of the current edit box, long press to change continuously; Cancel key: return to non-editing state;

[0121] Function introduction:

[0122] 1) Battery Pack 1#: Set the main usage parameters of Battery Pack 1.

[0123] ·Whether to enable: Enable or disable battery pack

[0124] Single battery voltage: Select the battery voltage

[0125] Total number of batteries: the total number of batteries using a single cell

[0126] Number of batteries used: The number of batteries required to work

[0127] Number of switching blocks: the number of single batteries contained in each switching module

[0128] Total battery voltage: the total voltage of the battery pack

[0129] 2) Battery Pack 2#: Set the main usage parameters of Battery Pack 2.

[0130] Same as battery pack 1.

[0131] 3) Local network: Set the IP address of the device.

[0132] IP-1: Set the first segment of IP address

[0133] IP-2: Set the second segment of IP address

[0134] IP-3: Set the third segment of IP address

[0135] IP-4: Set the fourth segment of IP address

[0136] 4) Save interval: Set the interval for saving data.

[0137] 5) Serial port 1: When an external device is required, set the serial port information.

[0138] Communication rate: Set the baud rate of serial communication

[0139] Verification mode: Set the serial port to no verification, even verification or odd verification

[0140] Equipment manufacturer: The manufacturer that sets up the access system

[0141] 1# Device address: Access device address setting

[0142] ·2# Device address: Access device address setting

[0143] Working mode: Set the serial port to normal or monitoring mode

[0144] 6) Serial port 2: When an external device is required, set the serial port information.

[0145] Same as serial port 1

[0146] 7) Serial port 3: When an external device is required, set the serial port information.

[0147] Same as serial port 1

[0148] 8) Time setting: Set the device date and time.

[0149] Year: Set the year

[0150] Month: Set the month

[0151] Day: Set the date

[0152] ·Hour: Set the hour

[0153] Minutes: Set the minutes

[0154] ·Seconds: Set the seconds.

[0155] The factory setting functions include host address setting, slave address setting, local MAC address setting, balanced acquisition module parameter calibration, factory reset and version information;

[0156] In the main menu interface, press the Up or Down key to select the Factory Setting function menu item, and press the OK key to enter the Factory Setting function setting interface.

[0157] Among them, the main function of the button

[0158] Confirm key: enter the menu item display interface where the cursor is located;

[0159] Up or down key: change menu items;

[0160] Back button: return to the main menu interface;

[0161] Enter the next level menu from the factory setting function interface, and press the main function button

[0162] The button functions in non-editing state are as follows:

[0163] Modify button: On the edit box, enter the edit state;

[0164] Up or down button: change the cursor position and select different functions;

[0165] Back button: return to the main menu page;

[0166] The functions of the buttons in the editing state are as follows:

[0167] Save button: save the set parameter values;

[0168] Up and down keys to modify the value: change the value of the current edit box, long press to change continuously;

[0169] Cancel key: return to non-editing state;

[0170] Function introduction:

[0171] 1) Host address: Set the address of this device on the bus.

[0172] 2) Slave address: Set the address of the slave on the bus. It can only be set when connecting to a device.

[0173] Old address: Enter the current address of the slave

[0174] New address: Enter the address that the slave will set

[0175] 3) MAC address: Set the hard address of the device network port.

[0176] 4) Balanced acquisition calibration: calibrate the equalization related parameters.

[0177] Voltage calibration point: Set the first or second calibration point

[0178] Voltage calibration actual value: input the actual measured voltage value

[0179] Charging current calibration point: Set the first or second point of calibration

[0180] ·Charge current calibration actual value: input the actual measured current value

[0181] Discharge current calibration point: Set the first or second point of calibration

[0182] Discharge current calibration actual value: input the actual measured current value

[0183] 5) Battery pack calibration: Calibrate battery pack related parameters.

[0184] Voltage calibration point: Set the first or second point of calibration

[0185] Voltage calibration actual value: input the actual measured voltage value

[0186] Current calibration point: Set the first or second point of calibration

[0187] Current calibration actual value: input the actual measured voltage value

[0188] 6) Restore factory settings: Restore the device's functional parameters to the default state.

[0189] 7) Version information: View the software version information of the device.

[0190] Use of backend server:

[0191] System configuration: After logging into the website, click the "System Configuration" option to enter the login interface, enter your user name and password, and enter the substation management, control station management, battery pack management, and user management operation interfaces.

[0192] Substation management: mainly completes the functions of adding, viewing, deleting, modifying the name of substations and adding control stations. Click "Substation Management", click "Add Substation" in the new interface, enter the substation name in the pop-up window, click "Confirm", and the new substation name will appear in the list.

[0193] In the "Operation" table of the substation list, there are control station list, add control station, and delete. Control station list: view the control stations under the current substation; add control station: add a new control station under the current substation, click "add control station" to fill in the new control station name, equipment number and IP address of the connected device in the pop-up interface, and you can set whether to synchronize time; delete: delete the current substation.

[0194] Console Management: mainly completes the functions of viewing, deleting, modifying the name of the control station and adding battery packs. Click "Console Management" to enter the interface.

[0195] In the "Operation" table of the control station list, there are battery group list, add battery group, edit, and delete. Battery group list: view the battery group information under the current control station. Each control station can have up to two battery groups; add battery group: add a new battery group under the current substation, click "add battery group" to fill in the battery group name and data interval saving time in the pop-up interface; edit: modify the current control station name, device number, and IP address information. Delete: delete the current control station.

[0196] Battery Pack Management: mainly completes the viewing, deletion, name modification, and viewing and modification of the battery pack’s balancing, automatic switching, automatic switching time, automatic internal resistance measurement, and automatic internal resistance measurement time. Click “Battery Pack Management” to enter the interface.

[0197] The "#" item in the battery pack list includes basic configuration, operation, and deletion. Basic configuration: view and modify the name of the battery pack and the data saving interval; operation: view and modify the status of the battery pack's balancing, automatic switching, and automatic internal resistance measurement. Click "Control", and the pop-up interface defaults to "Balance Control". In the current status bar, you can view the status of the battery pack's balancing, and in the control bar, you can modify the battery balancing to be turned off or on. Click "Redundant Switching", in the current status bar, you can view the switching switch, automatic switching status, and automatic switching time of the battery pack, and in the control bar, you can modify the switching switch, automatic switching status, automatic switching time, and battery working and rest status. Click "Internal Resistance Measurement", in the current status bar, you can view the internal resistance automatic measurement status and automatic measurement time, and in the control bar, you can modify the automatic measurement status and automatic measurement time.

[0198] User Management: In the "Operation" tab of the user list, there are options for changing password, deleting, using, and disabling. Change Password: Set a new password for the user, click "Change Password", and in the new interface, you need to enter the original password once and the new password twice, and click "Confirm" to complete the password change; Delete: Delete an unwanted account; Use: Change the disabled status to using; Disable: Change the using status to disabling.

[0199] Viewing the operation log: The system will record the operations of each user who logs in to the system. Users with creation permissions can view their own operations and the operations of the users they created, while other users can only view their own operation records. After logging in to the website, click the "System Configuration" option to enter the login interface and enter the user name and password. Click "Operation Log" to view the operation records of the corresponding user in the list on the interface. If the user is already logged in, you can directly click "Operation Log" to view the records.

[0200] Battery data viewing: View the battery pack equipment's balancing, automatic switching, and internal resistance automatic measurement settings. By setting the automatic refresh time, you can view the battery's voltage, temperature, balancing status, rest working status, total voltage, total current, charging status, ambient temperature, and ambient humidity in real time. After logging in to the website, click on the desired substation, select the desired control station in the substation drop-down list, and the page will jump to the homepage. On the homepage, you can see the battery pack-related data and the setting parameters of the battery pack management equipment. Each control station can install up to two battery packs. Click "Battery Pack Details" under the "Operation" table to view the relevant parameters of each battery in the battery pack.

[0201] Voltage: Click "Voltage" to enter the voltage parameter display interface. If there are two battery groups, select 1# battery group or 2# battery group in the "Select Battery Group" box; in the "Filter Lagging Batteries" box, enter the upper and lower voltage limits to filter out the batteries that are out of range; manually refresh the voltage data value through the "Refresh" button; print the current voltage value through the "Print" button; select "Timed Refresh" to turn on, select a time in the "Time" drop-down box, and click "Confirm", the voltage will refresh the data once within the selected time, until you click "Close" and "Confirm", the voltage stops automatically refreshing.

[0202] Internal resistance: Click "Internal resistance" to enter the internal resistance parameter display interface. If there are two battery groups, you can select 1# battery group or 2# battery group in the "Select battery group" box; click the "Manual test" button to test the battery internal resistance value once; in the "Filter lagging batteries" box, enter the upper limit internal resistance value and the lower limit internal resistance value to filter out the batteries that are out of range; use the "Refresh" button to manually refresh the internal resistance data value; use the "Print" button to print the current internal resistance value; by selecting the "Timed refresh" state to be turned on, and selecting a time in the "Time" drop-down box, click "Confirm", the internal resistance will refresh the data once within the selected time, until you click "Close" and "Confirm", the internal resistance stops automatically refreshing.

[0203] Temperature: Click "Temperature" to enter the temperature parameter display interface. If there are two battery groups, select 1# battery group or 2# battery group in the "Select Battery Group" box; in the "Filter Outdated Batteries" box, enter the upper and lower temperature limits to filter out the out-of-range batteries; manually refresh the temperature data value through the "Refresh" button; print the current temperature through the "Print" button; select "Timed Refresh" to turn on, select a time in the "Time" drop-down box, and click "Confirm". The temperature will refresh the data once within the selected time until you click "Close" and "Confirm", and the temperature stops automatically refreshing.

[0204] Balance: Click "Balance" to enter the balance parameter display interface. If there are two battery groups, select 1# battery group or 2# battery group in the "Select battery group" box; manually refresh the balance status through the "Refresh" button; select the "Timed refresh" status to be turned on, select a time in the "Time" drop-down box, and click "Confirm". The balance will refresh the data once within the selected time until you click "Close" and "Confirm" to stop automatic refresh of the balance.

[0205] Rotational rest: Click "Rotational rest" to enter the rotational rest parameter display interface. If there are two battery groups, you can select 1# battery group or 2# battery group in the "Select battery group" box; manually refresh the rotational rest status through the "Refresh" button; by selecting the "Scheduled refresh" status to be turned on, and select a time in the "Time" drop-down box, click "Confirm", the rotational rest will refresh the data once within the selected time, until you click "Close" and "Confirm", the rotational rest will stop automatically refreshing.

[0206] Historical data query: query the voltage, internal resistance, and temperature of a single battery within a certain period of time, and you can choose to display it in the form of a line graph, bar graph, or list. After logging in to the website, click the desired substation, select the desired control station in the drop-down list of the substation, click "Historical Curve", and in the "Filter" box in the jump interface, select voltage, internal resistance, or temperature in the "Property" drop-down box; select 1# battery group or 2# battery group in the "Battery Group" drop-down box; select the single-point battery number to be queried in the "Single Battery" drop-down box; select the time period to be queried in the "Time Interval", and finally click "Search". The queried data will be displayed in the form of a line graph, and you can also choose to view it in the form of a bar graph or data view.

[0207] Alarm query: used to query information about abnormal equipment communication and battery. After logging in to the website, click the desired substation, select the desired control station in the drop-down list of the substation, and click "Alarm". All alarm information will appear in the interface in a list, and you can view the alarm information of other pages by clicking the page number. You can use the search function to find accurate alarm information. In the "Filter" box, select "1# battery group" or "2# battery group" in the "Battery group" drop-down box; select "Battery group alarm", "Battery alarm" or "Internal alarm" in the "Alarm type" drop-down box; select the query time period in "Time interval", and click "Search" to complete the alarm query.

[0208] Communication status: Indicates the current communication status between the control station and the battery management device. When communicating, a light bulb will be displayed in front of the name of the control station.

[0209] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A battery management and control system, characterized in that: include: The battery online monitoring host is respectively connected to a single cell temperature acquisition module, a redundant switching module, a balancing acquisition module, a battery pack redundant switching module, a battery pack parameter acquisition module and an indoor environment acquisition module; The battery online monitoring host is provided with a status indicator light, four soft keys and a high-resolution TFT true color LCD screen; The status indicator lights include a power indicator light, a communication indicator light, a fault indicator light and an alarm indicator light. The soft keys determine the button functions according to the prompts of the high-resolution TFT true-color LCD screen. The high-resolution TFT true-color LCD screen includes a monitoring main interface and a main menu interface, and the main menu interface displays alarm information query, communication status query, single voltage query, single internal resistance query, operation control, alarm threshold setting, installation parameter setting and manufacturer setting functions; The monitoring main interface is used to display the total voltage of the battery pack, battery charge and discharge current, temperature, humidity, smoke concentration, single cell voltage, single cell electrode temperature, single cell internal resistance, balancing module working status, battery rotation status, date and time; if there is a fault alarm information, the fault alarm record will be automatically displayed in the alarm editing box, and the fault or alarm indicator light will be on; if the internal resistance is being measured, it will prompt that the internal resistance measurement is in progress. After 10 seconds of powering on or operating a button, the interface will poll every 2 seconds to display the next page of single cell voltage, temperature, balancing working status, and rotation status data.

2. A battery management and control system according to claim 1, characterized in that: The battery online monitoring host, single cell temperature acquisition module, redundant switching module, balancing acquisition module, battery pack redundant switching module, battery pack parameter acquisition module and indoor environment acquisition module are all installed in the battery management and control system panel cabinet.

3. A battery management and control system according to claim 1, characterized in that: When the battery online monitoring host monitors that the power is on and operating normally, the power indicator light flashes at a frequency of 1 Hz. If it does not flash, it indicates that the power supply of the battery online monitoring host is abnormal. When there is data on the bus, the communication indicator light flashes, and when the communication is abnormal, the light flashes for a longer time; during normal operation, the fault indicator light goes out, and when there is an important protection signal or equipment failure, the fault indicator light is always on; during normal operation, the alarm indicator light goes out, and when an alarm occurs, the alarm indicator light is always on, and the alarm indicator light goes out after receiving the reset signal.

4. A battery management and control system according to claim 1, characterized in that: The alarm information query can query the time, alarm code, and alarm event content of historical alarms; The communication status query can query the communication status of each module connected to the battery online monitoring host; The single cell voltage query displays the battery single cell voltage in the form of a list and a bar graph. The accurate value of the single cell voltage of the current battery pack can be viewed through the table mode, and the value of the single cell voltage of the current battery pack can be compared through the bar graph mode; The single cell internal resistance query displays the battery single cell internal resistance in the form of a list and a bar graph. The accurate value of the single cell internal resistance of the current battery pack can be viewed through the table mode, and the value of the single cell internal resistance of the current battery pack can be compared through the bar graph mode.

5. A battery management and control system according to claim 1, characterized in that: The operation control is used to turn on / off the balancing function; the working mode of the switching module includes a timed switching mode in which the timed switching time can be set and a manual switching mode; a timed measurement function in which the timed measurement time can be set and a manual battery internal resistance measurement function.

6. A battery management and control system according to claim 1, characterized in that: The alarm threshold settings include single voltage alarm threshold settings, total voltage alarm threshold settings, current alarm threshold settings, temperature alarm threshold settings, humidity alarm threshold settings, and smoke alarm threshold settings; The installation parameter settings include battery pack parameter settings, local network, save interval time, communication interface parameter settings, date and time settings; The factory setting functions include host address setting, slave address setting, local MAC address setting, balanced acquisition module parameter calibration, factory reset and version information.

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