WO2024031823A1 - Battery temperature monitoring system and method - Google Patents

Battery temperature monitoring system and method Download PDF

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Publication number
WO2024031823A1
WO2024031823A1 PCT/CN2022/124847 CN2022124847W WO2024031823A1 WO 2024031823 A1 WO2024031823 A1 WO 2024031823A1 CN 2022124847 W CN2022124847 W CN 2022124847W WO 2024031823 A1 WO2024031823 A1 WO 2024031823A1
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WO
WIPO (PCT)
Prior art keywords
battery
temperature
cluster
control module
single cells
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Application number
PCT/CN2022/124847
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French (fr)
Chinese (zh)
Inventor
阴志国
刘振
赵文静
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湖北亿纬动力有限公司
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Publication of WO2024031823A1 publication Critical patent/WO2024031823A1/en

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4207Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44Methods for charging or discharging
    • H01M10/441Methods for charging or discharging for several batteries or cells simultaneously or sequentially
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/482Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/486Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Definitions

  • This application relates to the technical field of battery monitoring, for example, to a battery temperature monitoring system and method.
  • the marine battery management system (Battery Management System, BMS) needs to have a battery over-temperature protection function, and the over-temperature protection should be independent of other temperature monitoring and other components.
  • BMS Battery Management System
  • marine BMS realizes independent or redundant monitoring of battery core temperature and voltage through independent acquisition boards, and the ratio of the number of temperature acquisition boards, temperature acquisition channels and battery core temperature points is 1:1:1.
  • This method requires a large number of temperature acquisition boards and a large number of temperature acquisition channels.
  • the corresponding product hardware costs and layout costs are difficult to control.
  • This application provides a battery temperature monitoring system and method to achieve independent or redundant monitoring of battery temperature, while reducing the number of temperature acquisition boards, hardware costs, and layout costs.
  • This application provides a battery temperature monitoring system, including:
  • each battery box including a first collection slave board, a second collection slave board and a plurality of single cells;
  • the input end of the first collecting slave board is connected to at least part of the plurality of single cells in the battery box, and is configured to collect at least part of the first data of each single cell in the plurality of single cells. a temperature value
  • the second acquisition slave board is connected to the input end of each single cell and is configured to collect the voltage value of each single cell and at least part of the second temperature value of each single cell in the plurality of single cells. .
  • This application provides a battery temperature monitoring method, including:
  • the first acquisition collects the first temperature value of each single cell in a preset number of single cells from the board, where the preset number is the number of temperature sensors disposed in the battery box;
  • the second acquisition collects the voltage value of each single cell and the second temperature value of each single cell in the preset number of single cells from the board.
  • Figure 1A is a partial structural schematic diagram of a battery temperature monitoring system provided in Embodiment 1 of the present application;
  • FIG. 1B is a schematic structural diagram of another battery temperature monitoring system provided in Embodiment 1 of the present application.
  • Figure 2A is a flow chart of a battery temperature monitoring method provided in Embodiment 2 of the present application.
  • FIG. 2B is a flow chart of another battery temperature monitoring method provided in Embodiment 2 of the present application.
  • FIG. 1A is a partial structural schematic diagram of a battery temperature monitoring system provided in Embodiment 1 of the present application. This embodiment can be used to implement independent or redundant monitoring of battery temperature while reducing the number of temperature acquisition boards, hardware costs and layout. Cost, as shown in FIG. 1A , the system includes: multiple battery boxes 110 , each battery box 110 including a first collection slave board 111 , a second collection slave board 112 and a plurality of single cells 113 .
  • the battery box 110 wraps multiple collection slave boards, battery clusters and other components.
  • the battery box 110 includes a first collection slave board 111 , a second collection slave board 112 and a plurality of single cells 113 composed of battery clusters.
  • the input end of the first acquisition slave board 111 is connected to at least part of the plurality of single cells 113 in the battery box 110, and is configured to collect at least part of the first temperature value of each single cell 113 of the plurality of single cells 113. .
  • the single cell 113 is provided with a temperature sensor, which is configured to obtain the current cell temperature of the single cell 113 .
  • the first acquisition slave board 111 includes multiple input acquisition channels as input terminals. The input acquisition channel of the first acquisition slave board 111 is connected to the temperature sensor of the single battery 113 in the battery box 110, and is configured to collect the current temperature of the single battery 113 as the first temperature value corresponding to the single battery 113.
  • the second collection slave board 112 is connected to the input end of each single cell 113 and is configured to collect the voltage value of each single cell 113 and at least part of the second voltage value of each single cell 113 in the plurality of single cells 113 . temperature value.
  • the second acquisition slave board 112 includes multiple temperature acquisition channels and multiple voltage acquisition channels as input terminals.
  • the temperature acquisition channels in the second acquisition slave board 112 are connected to the temperature sensors of the single cells 113 and are configured to collect single cells.
  • the current temperature of the battery 113 is used as the second temperature value corresponding to the single battery 113;
  • the voltage acquisition channel in the second acquisition slave board 112 is connected to the voltage acquisition module of the single battery 113, and is set to collect the current temperature of the single battery 113.
  • the voltage value is the corresponding voltage value of the single cell 113 .
  • the voltage collection channel in the second collection slave board 112 is connected to the voltage collection module of the single cell 113 as an example. In other embodiments of the present application, the second collection slave board 112 can also be connected. Other positions in the single cell 113 are used to collect the voltage value of the single cell 113. The embodiments of this application are only examples and are not limiting.
  • FIG. 1A it shows a schematic structural diagram of a battery box 110 of the battery temperature monitoring system.
  • the battery box 110 includes n single cells 113.
  • the first collection slave board 111 collects the first temperature values OT1, OT2, ..., OTn-1, OTn of the n single cells 113.
  • the second collection slave board 112 collects n.
  • the second temperature values BT1, BT2, ..., BTn-1, BTn of the single cells 113 are collected, and the voltage values V1, V2, ..., Vn-1, Vn of the n single cells 113 are collected.
  • FIG 1B is a schematic structural diagram of another battery temperature monitoring system provided in Embodiment 1 of the present application. As shown in Figure 1B, in some embodiments of the present application, the battery temperature monitoring system also includes: a domain control module 130 and multiple Cluster control module 130.
  • the output terminal of the first acquisition slave board 111 is connected to the first input terminal of the cluster control module 130
  • the output terminal of the second acquisition slave board 112 is connected to the second input terminal of the cluster control module 130 .
  • the output end of the cluster control module 130 is connected to the input end of the domain control module 120.
  • the cluster control module 130 is configured to receive the first temperature value collected from the first acquisition slave board 111 and the second temperature value collected from the second acquisition slave plate 112. and voltage values, and use the received first temperature value, second temperature value and voltage value as original data, monitor the fault conditions of multiple single cells 113 in the battery box 110 based on the original data, and use them as battery cluster fault conditions.
  • the battery cluster failure condition is sent to the domain control module 120 .
  • the cluster control module 130 uses the received plurality of first temperature values, the plurality of second temperature values, and the plurality of voltage values as original data for subsequent determination of fault conditions of the battery system based on the original data.
  • the embodiments of the present application are only examples of the number of the first temperature value, the second temperature value, and the voltage value, and are not limiting. In some embodiments of the present application, the numbers of the first temperature value, the second temperature value, and the voltage value may all be equal. In other embodiments of the present application, the first temperature value, the second temperature value, and the voltage value may be equal in number. Quantities can vary by pair, etc.
  • the cluster control module 130 is also configured to detect whether the single battery 113 in the battery box 110 it is responsible for currently has fault conditions such as too high or too low a temperature based on the received original data, and the cluster control module 130 controls the battery according to the original data.
  • the analyzed fault conditions of the multiple single batteries 113 are integrated and used as battery cluster fault conditions, and the integrated battery cluster fault conditions are uploaded to the domain control module 120 .
  • the embodiment of this application is only an example of how to detect whether the single battery 113 in the responsible battery box 110 currently has fault conditions such as too high or too low a temperature based on the received raw data, and is not limited.
  • the fault condition of the single cells 113 in the battery box 110 can be determined by querying the abnormal temperature corresponding table.
  • all single cells 113 in a battery box 110 can also be determined. The temperature is combined and analyzed according to the fault analysis strategy to obtain the current fault situation in the battery box 110 .
  • the embodiment of the present application does not limit how to integrate the fault conditions of multiple single cells 113 in a battery box 110 .
  • the domain control module 120 is configured to monitor a battery system failure condition of the battery system based on a battery cluster failure condition, where the battery system includes a plurality of battery boxes 110 .
  • the domain control module 120 is connected to multiple cluster control modules 130 in the battery temperature monitoring system, and receives battery cluster fault conditions corresponding to multiple battery clusters in the battery system.
  • the domain control module 120 analyzes the current entire battery according to the multiple battery cluster fault conditions. System failure conditions and analyze the causes of current battery system failures.
  • multiple cluster control modules 130 and a single domain control module 120 are set up. Multiple cluster control modules 130 are used to control corresponding multiple battery clusters in the battery system, and then a single domain control module is used to control the battery system. 120 performs integrated analysis on the conditions of multiple battery clusters in the battery system, and multiple cluster control modules 130 simultaneously troubleshoot battery clusters, greatly improving the efficiency of battery temperature monitoring, so as to facilitate timely detection of abnormal battery conditions. response to reduce the probability of danger occurring.
  • the number of cluster control modules 130 is equal to the number of battery boxes 110 .
  • each battery box 110 has a battery cluster composed of multiple single cells 113, in some embodiments of the present application, the cluster control module 130 corresponds to the battery box 110 one-to-one, and one cluster control module 130 monitors one Failure condition of battery box 110.
  • cluster control modules 130 and the number of battery boxes 110 in the embodiment of this application is only an example and is not limiting. In other embodiments of this application, one cluster control module 130 can also correspond to two battery boxes 110 or multiple batteries. Box 110.
  • first temperature sensors are provided in the battery box 110 .
  • the number of first temperature sensors is less than the number of single cells 113 , and at most one first temperature sensor is set in one single cell 113 .
  • Sensor, every two single cells 113 provided with a first temperature sensor are not adjacent to each other, and the first temperature sensor is connected to the first collection slave board 111 .
  • a plurality of first temperature sensors are provided in the battery box 110 , and a single first temperature sensor is configured to collect the temperature of a single cell 113 . At most one first temperature sensor is provided in one single cell 113, and every two single cells 113 provided with the first temperature sensor are not adjacent.
  • the battery box 110 is composed of 12 single cells 113. In the battery cluster formed by the battery box, four first sensors are installed in the second single cell 113, the fifth single cell 113, the eighth single cell 113, and the eleventh single cell 113 in the battery box 110.
  • the first temperature sensors are all connected to the temperature acquisition channel input terminals of the first acquisition slave board 111 to connect the second single cell 113, the fifth single cell 113, the eighth single cell 113, and the eleventh single cell.
  • the first temperature value corresponding to the battery 113 is sent to the first acquisition slave board 111, and the first acquisition slave board 111 then sends the received first temperature value to the cluster control through the Controller Area Network (Controller Area Network, CAN) bus.
  • the cluster control module 130 can calculate the first temperature fitting values of other single cells 113 in the battery box 110 based on the obtained plurality of first temperature values, so as to analyze and obtain the battery cluster failure situation.
  • the embodiment of the present application collects temperature values by using temperature sensors that are less than the total number of single cells, and obtains the temperature values of all batteries in a battery box through simulation fitting, reducing the number of temperature sensors required and the time required for collection.
  • the acquisition channel on the board reduces the hardware cost and layout cost of the battery temperature monitoring system, making the battery temperature monitoring system smaller and more concise.
  • the embodiment of the present application can use thermal simulation calculations to calculate and fit the corresponding values of other single cells 113 in the battery box 110 that are not equipped with first temperature sensors based on multiple first temperature values obtained by multiple first temperature sensors.
  • the first temperature fitting value is obtained, thereby obtaining the first temperature fitting value of each single cell 113 of all single cells 113 in the battery box 110 .
  • the embodiment of the present application is only an example of the number of first temperature sensors in the battery box 110 and is not limiting. In other embodiments of the present application, the number of first temperature sensors may be two times the number of single cells 113 in the battery box 110 . One-third, one-third, etc.
  • thermal simulation calculation is used to fit the first temperature fitting values corresponding to other single cells 113 in the battery box 110 that are not provided with the first temperature sensor.
  • This is an exemplary explanation of the embodiment of the present application.
  • other methods can be used to obtain the first temperature fitting value of the single cell 113 in the battery box 110 without a first temperature sensor.
  • the embodiments of the application are only examples and are not limiting.
  • a plurality of second temperature sensors and a plurality of voltage sensors are provided in the battery box 110 , wherein the number of second temperature sensors is less than the number of single cells 113 , and one single cell 113 At most one second temperature sensor is provided inside, and every two single cells 113 provided with the second temperature sensor are not adjacent.
  • the second temperature sensor is connected to the second acquisition slave board 112; multiple voltage sensors are connected to multiple single cells. 113 are set in one-to-one correspondence, and the voltage sensor is connected to the second acquisition slave board 112 .
  • a single second temperature sensor is configured to collect the temperature of a single unit cell 113.
  • the second temperature value at most one second temperature sensor is provided in one unit cell 113, and every two unit cells 113 provided with a second temperature sensor are not adjacent to each other, but the voltage sensor is provided in each single cell 113 in the battery box 110 .
  • the battery box 110 contains a battery cluster composed of 12 single cells 113. The first single battery 113, the fourth single battery 113, and the seventh single battery in the battery box 110 113.
  • a second temperature sensor is provided in the tenth single cell 113, and the four second temperature sensors are all connected to the temperature acquisition channel input end of the second acquisition slave board 112 to connect the first single cell 113 and the fourth
  • the second temperature values corresponding to the first single cell 113, the seventh single cell 113, and the tenth single cell 113 are sent to the second acquisition slave board 112, and the second acquisition slave board 112 then receives the received temperature values through the CAN bus.
  • the second temperature value is sent to the cluster control module 130, so that the cluster control module 130 can calculate the second temperature fitting value of other single cells 113 in the battery box 110 based on the obtained plurality of second temperature values, in order to combine the voltage
  • the battery cluster failure status is obtained through value analysis.
  • the embodiment of the present application is only an example of the number of second temperature sensors in the battery box 110 and is not limiting. In other embodiments of the present application, the number of second temperature sensors can be two times the number of single cells 113 in the battery box 110 . One-third, one-third, etc.
  • the first temperature sensor can be a second temperature sensor at the same time; or the first temperature sensor and the second temperature sensor are independently provided in the corresponding single cell 113.
  • the embodiment of the present application only Give examples, not limitations.
  • the cluster control module 130 is also configured to generate a battery cluster protection instruction based on a battery cluster failure condition to protect multiple single batteries 113 in the battery box 110 corresponding to the cluster control module 130; domain control module 120 is also configured to generate a battery system protection instruction based on a battery system fault condition to protect the battery system corresponding to the domain control module 120 .
  • the cluster control module 130 In addition to monitoring the temperature abnormality of the battery cluster in the current battery box 110, the cluster control module 130 also generates a battery cluster protection instruction based on the temperature abnormality of each battery in the battery cluster, such as the temperature of the single cell 113 based on the abnormal temperature. The value and location of the protection command comparison table are queried to obtain the battery cluster protection command, and the battery cluster protection command is sent back to the single battery 113 in the battery box 110, so that the battery cluster can be protected in time through the cluster control module 130. Try to avoid safety hazards.
  • the domain control module 120 also generates a battery system protection instruction based on the battery system fault condition synthesized from the fault conditions of multiple battery clusters in the battery system. For example, according to the abnormal temperature of the single battery 113 in the battery fault condition. quantity, and the temperature difference beyond the normal temperature range, query the preset fault resolution strategy to generate battery system protection instructions to schedule the power supply status of each battery box 110, so that while protecting the battery system, It can ensure that the battery system can also provide normal power supply and maintain the normal operation of the battery system.
  • the cluster control module 130 By setting up multiple cluster control modules 130 to monitor the temperature anomalies of multiple battery clusters respectively, and adjusting protection according to the temperature anomalies, and at the same time, setting up a domain control module 120 configured to monitor the entire battery system, to monitor the temperature abnormalities of multiple battery clusters.
  • the battery system performs temperature abnormality monitoring, battery system fault protection and power supply scheduling.
  • the cluster control module 130 and the domain control module 120 By setting up a "one-to-many" battery temperature monitoring system, the cluster control module 130 and the domain control module 120 respectively monitor temperature abnormality and take corresponding protection measures.
  • the instruction can realize double protection of the single battery 113 in the battery system.
  • the cluster control module 130 timely monitors the fault condition of a cluster of single cells 113 in the battery box 110, and the domain control module 120 analyzes the fault condition of the entire battery system based on the fault conditions sent by multiple cluster control modules 130, with high cohesion and low coupling. , improve the efficiency of battery temperature monitoring.
  • the embodiment of the present application queries the protection instruction comparison table based on the temperature value and location of the single cell 113 with abnormal temperature, to obtain the battery cluster protection instruction, and queries the preset fault resolution strategy to generate the battery system protection instruction.
  • This is only an example and not a limitation.
  • other methods can also be used to obtain battery cluster protection instructions and battery system protection instructions, such as using historical temperature anomalies and corresponding protection instructions to train a deep learning model. According to For current temperature anomalies, the trained deep learning model is used to predict and generate fault conditions.
  • the technical solution of the embodiment of the present application is to set up multiple battery boxes.
  • Each battery box includes a first collection slave board, a second collection slave board and a plurality of single cells; the input end of the first collection slave board is connected to the battery box.
  • the single cell is connected and set to collect the first temperature value of the single cell;
  • the second acquisition slave board is connected to the input end of the single cell and set to collect the second temperature value and voltage value of the single cell.
  • the technical solution of this application sets one of the acquisition slave boards to collect voltage and temperature at the same time, which improves the functional reusability of the acquisition slave board, reduces the number of acquisition slave boards in the battery box, and reduces the volume of the battery box to a certain extent. , reducing the product hardware cost and layout cost.
  • the two acquisition slave boards separately collect the temperature of each single cell in the battery box, and then can obtain the two temperature values of the single battery to ensure that the single battery can be detected. temperature to prevent the single cell temperature from being unable to be collected due to failure of the acquisition slave board.
  • FIG. 2A is a flow chart of a battery temperature monitoring method provided in Embodiment 2 of the present application.
  • the method can be executed by a battery temperature monitoring system.
  • the battery temperature monitoring method can be implemented in the form of hardware and/or software. As shown in Figure 2A, the method includes:
  • the first collection slave board collects the first temperature value of each single cell in a preset number of single cells.
  • the first acquisition slave board is arranged in a battery box containing a battery cluster.
  • the first acquisition slave board collects the first temperature value of each single cell in a preset number of single cells, where the preset number is set in the battery.
  • the number of temperature sensors in the box are arranged in a battery box containing a battery cluster.
  • the battery cluster in the battery box is composed of 12 single cells, and the preset number is 6. Then at most one first temperature sensor is set in one single cell, and every two first temperature sensors are set. Cells are not adjacent to each other. The first collection collects 6 first temperature values from the board through 6 first temperature sensors.
  • the preset number of 6 in the embodiment of this application is an exemplary description of the embodiment of this application. In other embodiments of this application, it can also be adjusted in actual scenarios, such as according to the fitting algorithm used to calculate all first temperature values.
  • the preset number is determined based on the accuracy and the total number of single cells in the battery cluster.
  • the embodiments of this application are only examples and are not limiting.
  • the second acquisition slave board collects the voltage value of each single cell and the second temperature value of each single cell in the preset number of single cells.
  • the second acquisition slave board is also arranged in the battery box containing the battery cluster.
  • the second acquisition slave board collects the voltage value of each single cell in all single cells, and collects the voltage value of each single cell in the preset number of single cells.
  • the second temperature value of the battery is also arranged in the battery box containing the battery cluster.
  • the battery cluster in the battery box is composed of 12 single cells, and the preset number is 6. Then at most one second temperature sensor is provided in one single cell, and every two second temperature sensors are provided. Cells are not adjacent to each other.
  • the second collection board collects 6 second temperature values obtained through 6 second temperature sensors, and collects the voltage value of each single cell in the battery box through a voltage sensor.
  • the preset number of 6 in the embodiment of this application is an exemplary description of the embodiment of this application. In other embodiments of this application, it can also be adjusted in actual scenarios, such as according to the fitting algorithm used to calculate all second temperature values.
  • the preset number is determined based on the accuracy and the total number of single cells in the battery cluster.
  • the embodiments of this application are only examples and are not limiting.
  • FIG 2B is a flow chart of another battery temperature monitoring method provided in Embodiment 2 of the present application. As shown in Figure 2B, in some embodiments of the present application, the battery temperature monitoring method also includes:
  • the cluster control module receives the first temperature value collected by the first acquisition slave board, and the second temperature value and voltage value collected by the second acquisition slave board, and converts the received first temperature value, second temperature value and voltage value Output as raw data.
  • the cluster control module is connected to the first collection slave board and the second collection slave board in the corresponding battery box.
  • the cluster control module receives a plurality of first temperature values from the first collection slave board and a plurality of first temperature values from the second collection slave board.
  • the second temperature value and voltage value are stored as original data to obtain the battery temperature abnormality.
  • the first temperature value, the second temperature value and the voltage value are used as raw data to illustrate the application.
  • the embodiments of this application are only examples and are not limiting. In some embodiments of this application, you can Only the first temperature value in the original data is used for temperature monitoring, and only the second temperature value in the original data is used for temperature monitoring, and so on.
  • the cluster control module monitors the fault conditions of multiple single batteries in the battery box based on the original data, and outputs the fault conditions of the multiple single batteries as the battery cluster fault condition.
  • the cluster control module uses a preset number of first temperature values and a preset number of second temperature values in the original data to simulate and fit the first temperature values and the second temperature values of all single cells in the battery box, and Compare the first temperature value and the second temperature value of all single cells with the preset temperature range threshold to determine the abnormal temperature failure condition of each single cell under different raw data, as the battery The first temperature value in the box and the battery cluster failure condition corresponding to the second temperature value.
  • the first temperature value and the second temperature value corresponding to each single cell in the battery box are compared with the preset temperature threshold range corresponding to normal operation to determine whether the single battery is operating during operation. If there is an over-temperature situation, count the number of over-temperature single cells in the battery box and the corresponding battery number as the details of the battery cluster failure.
  • Corresponding battery cluster fault conditions are respectively generated according to the first temperature value and the second temperature value in the original data.
  • the first acquisition slave board and the second acquisition slave board independently monitor the temperature of the single cells in the battery box, which can realize independent and redundant monitoring of the temperature of the single cells in the battery box and prevent the failure of the monitoring device. Due to damage, it is impossible to promptly monitor the temperature of the battery system and take protective measures against excessive temperatures.
  • embodiments of the present application are only examples of battery temperature abnormality, and are not limiting. In other embodiments of the present application, in addition to over-temperature conditions, other temperature abnormality conditions may also be included.
  • the domain control module monitors the battery system failure of the battery system based on the failure of multiple battery clusters.
  • the cluster control module promptly monitors the fault conditions of a cluster of single cells in the battery box, and the domain control module analyzes the fault conditions of the entire battery system based on the fault conditions sent by multiple cluster control modules. High cohesion and low coupling improve the battery temperature. Monitoring efficiency.
  • S204 includes:
  • the preset thermal simulation system can calculate the temperature value of each single battery under different operating scenarios and the heat dissipation risk of the battery box by inputting a series of information data about the battery box. .
  • a preset number of first temperature values collected from the first acquisition board are input into the thermal simulation system.
  • the thermal simulation system simulates and fits the preset number of first temperature values based on the preset information data related to the battery box and the preset number of first temperature values.
  • the first temperature fitting value corresponding to all single cells in the battery box.
  • the temperature values output by the thermal simulation system are all called temperature fitting values.
  • the thermal simulation system can not only output
  • the temperature fitting value of the single cell may also be outputted together with a preset number of first temperature values and the temperature fitting value of the single cell without temperature collection.
  • the first temperature value does not change, but for the sake of unified expression, it can also be called the first temperature fitting value. Therefore, in this embodiment, the thermal simulation system outputs the first temperature fitting values of all single cells.
  • the embodiments of this application do not limit how to obtain the first temperature fitting values corresponding to all single cells in the battery box.
  • Input a preset number of second temperature values collected from the board into the thermal simulation system.
  • the thermal simulation system simulates and fits the preset number of second temperature values based on the preset information data related to the battery box and the preset number of second temperature values.
  • the second temperature fitting value corresponding to all single cells in the battery box.
  • the embodiments of this application do not limit how to obtain the second temperature fitting values corresponding to all single cells in the battery box.
  • a preset number of first temperature values collected from the board are first collected, as well as multiple first temperature fitting values obtained through simulation fitting, and the first temperatures of all single cells in the battery box are obtained by integrating fitted value.
  • the preset battery cluster failure strategy includes standard values for battery operation, which are used to analyze the temperature fitting values of the current single cells to determine whether the battery cluster in the current battery box has fault conditions such as excessive high temperature.
  • the first temperature fitting value is compared with the standard in the preset battery cluster failure strategy to obtain the first fault condition of the battery cluster using the first temperature fitting value as a reference.
  • the preset battery cluster failure strategy stipulates the standard temperature threshold range of single cells in normal operating conditions, and the first temperature fitting values corresponding to 12 single cells in a battery box are compared with the standard Compare the temperature threshold range to determine whether each single cell in the battery box is higher than the standard temperature threshold range, that is, determine whether each single cell is overheated and generate the first fault condition of the battery cluster.
  • the first fault condition of the battery cluster at least includes the number of the single cell with excessive high temperature and its corresponding first temperature fitting value.
  • the information included in the first fault condition of the battery cluster in the embodiment of the present application is only an example and is not limiting.
  • the first fault condition of the battery cluster may also include the total number of single cells that are over-temperature in the battery box. Quantity etc.
  • the embodiment of the present application only gives an example of the form of the preset battery cluster failure strategy and is not limiting.
  • the battery cluster failure strategy can also be in the form of a mapping table, for example, a temperature value range corresponding to
  • the embodiments of this application are only examples of different fault conditions and are not limiting.
  • the second collection in the battery box collects a preset number of second temperature values collected from the board, and multiple second temperature fitting values obtained through simulation fitting, and integrates them to obtain the second temperatures of all single cells in the battery box. fitted value.
  • the second temperature fitting value is compared and judged with the standard in the preset battery cluster failure strategy to obtain the second fault condition of the battery cluster using the second temperature fitting value as a reference.
  • the second temperature fitting values corresponding to the 12 single cells in a battery box are compared with the standard temperature threshold range, and the collected voltage values are compared with the preset voltage threshold range to determine each Whether a single battery is over-temperature and/or over-voltage will generate the second fault condition of the battery cluster.
  • the second fault condition of the battery cluster at least includes the number of the single cell with excessive high temperature and/or excessive temperature and its corresponding second temperature fitting value, voltage value, and fault type.
  • the second fault condition of the battery cluster in the embodiment of the present application is only an example and is not limiting.
  • the second fault condition of the battery cluster may also include excessive high temperature and/or excessive voltage in the battery box. The total number of single cells, etc.
  • the embodiment of the present application collects temperature values by using temperature sensors that are less than the total number of single cells, and obtains the temperature fitting values of all batteries in a battery box through simulation fitting, thereby reducing the number of temperature sensors required, and reducing the number of The acquisition channel is collected from the board, which reduces the hardware cost and layout cost of the battery temperature monitoring system, making the battery temperature monitoring system smaller and more concise.
  • the battery temperature monitoring method further includes:
  • the cluster control module generates a battery cluster protection instruction based on the first fault condition of the battery cluster to protect the battery box corresponding to the cluster control module.
  • the cluster control module uses the battery cluster fault condition obtained through calculation and analysis, it queries the corresponding battery cluster protection instructions according to the battery cluster fault condition, and then generates protection instructions for protecting the battery cluster to avoid potential safety hazards as much as possible.
  • the battery cluster protection instructions at least include stopping power supply, disconnecting single batteries, etc. This application is only an example and is not limiting.
  • the cluster control module generates the first fault condition of the battery cluster based on the first temperature fitting value, and generates the second fault condition of the battery cluster based on the second temperature fitting degree value and voltage value.
  • the cluster control module obtains the battery cluster protection instruction corresponding to the first fault condition of the battery cluster through query, and sends the battery cluster protection instruction back to the battery cluster in the battery box, so that the single battery can execute the battery cluster protection instruction and protect the cluster control The battery box corresponding to the module.
  • This application uses multiple cluster control modules to directly perform fault diagnosis and protection on the battery box based on the first temperature fitting value, and can realize the monitoring of single cells in the battery box by independently using the first acquisition slave board, even if the second When the temperature sensor, the second acquisition slave board, or the bus connected to the second acquisition slave board is damaged, the cluster control module can also monitor and protect the battery box temperature abnormality.
  • the domain control module generates a battery system protection instruction based on the battery system fault condition to protect the battery system corresponding to the domain control module.
  • the domain control module analyzes and monitors the battery system failure of the entire battery system based on the raw data from multiple cluster control modules and the battery cluster failure status.
  • the domain control module integrates the temperature values of the single cells in all battery boxes and uses preset fault analysis rules to analyze the fault conditions of the overall battery system; and based on the battery cluster fault conditions of multiple battery boxes, and Compare the preset fault analysis rules to analyze whether there are fault conditions such as the battery system being unable to supply power to other components in the ship, or excessively high temperature battery boxes exceeding the preset quantity threshold, as battery system fault conditions.
  • the embodiments of this application are only examples of how to monitor battery system fault conditions and battery system fault conditions of a battery system based on original data and multiple battery cluster fault conditions, and are not limiting.
  • the domain control module After the domain control module uses the battery system fault conditions obtained through calculation and analysis, it queries the corresponding battery system protection instructions according to the battery system fault conditions, and then generates protection instructions to protect the entire battery system and ensure the normal operation of the battery system to avoid safety as much as possible. The occurrence of hidden dangers and the maintenance of normal operation of the battery system while extending the service life of the battery system, reducing the impact on other components in the ship.
  • the battery system protection instructions at least include stopping using one battery box to power a component, switching to another battery box to power the component, etc.
  • This application is only an example and not a limitation.
  • the battery system fault condition is generated based on the original data and the second fault conditions of multiple battery clusters.
  • the domain control module obtains the corresponding battery system protection instructions based on the above-mentioned battery system fault conditions, and sends the battery system protection instructions back to each cluster control module.
  • the cluster control module sends the battery system protection instructions to the battery cluster so that the single The battery can execute battery system protection instructions and protect the operation of the entire battery system.
  • This application uses the second fault condition of the battery cluster with the second temperature fitting value as a reference to generate a battery system fault condition, and further generates a battery system protection instruction.
  • the domain control module and the cluster control module respectively use the data collected from the first acquisition slave board and the second acquisition slave board as a reference to generate battery cluster protection instructions and battery system protection instructions, which can double protect the battery system and prevent the battery temperature abnormality detection system from Damage to a component prevents timely detection of abnormal temperature faults.
  • the battery temperature monitoring method further includes:
  • the domain control module generates ship operation adjustment suggestions based on battery system failure conditions.
  • the domain control module sends the ship operation adjustment suggestion to the external ship management system, so that the ship management system adjusts the work operation of the ship based on the ship operation adjustment suggestion.
  • the domain control module of the battery temperature monitoring system is externally connected to the ship management system.
  • the ship management system is a system used to control the operation of each component of the ship.
  • the domain control module analyzes the current battery system failure situation and generates ship operation adjustment suggestions based on the failure situation of the single batteries in the battery system that power different components in the ship. And send the ship operation adjustment suggestions to the ship management system, so that the ship management system can adjust the operation of components in the ship according to the ship operation adjustment suggestions. For example, adjust the power supply source of a component of the ship, and change the working status of a component of the ship. Adjust to low power consumption mode, turn on over-temperature protection, etc. to protect the battery system while ensuring the ship can operate normally.
  • the domain control module generates charging adjustment suggestions based on battery system failure conditions.
  • the domain control module sends the charging adjustment suggestion to the external charging management system, so that the charging management system adjusts the charging operation of the charging management system according to the charging adjustment suggestion.
  • the domain control module of the battery temperature monitoring system is externally connected to the charging management system, and the charging management system is used to control the charging operation of the battery system.
  • the domain control module analyzes whether to adjust the current charging operation based on the current battery system failure situation and generates charging adjustment recommendations. And the charging adjustment suggestion is sent to the charging management system, so that the charging management system can adjust the current charging operation according to the charging adjustment suggestion.
  • the charging adjustment recommendation is: close the charging switch in the battery system, start charging the battery system, and the charging management system performs relevant operations after receiving the charging adjustment recommendation; domain
  • the control module detects that the number of over-temperature single cells in the current battery system exceeds the preset quantity threshold, and the charging adjustment recommendation is: stop charging the battery system to protect the battery system and extend the service life of the battery system.
  • Steps can be reordered, added, or removed using various forms of the process shown above.
  • multiple steps described in this application can be executed in parallel, sequentially, or in different orders.
  • the desired results of the technical solution of this application can be achieved, there is no limitation here.

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Abstract

Disclosed are a battery temperature monitoring system and method. The battery temperature monitoring system comprises a plurality of battery compartments, each battery compartment comprising a first collection slave plate, a second collection slave plate, and a plurality of cells, wherein an input end of the first collection slave plate is connected to at least some of the plurality of cells in the battery compartment and is configured to collect a first temperature value of each cell in the at least sone of the plurality of cells; and an input end of the second collection slave plate is connected to each cell and is configured to collect a voltage value of each cell and a second temperature value of each cell in the at least some of the plurality of cells.

Description

电池温度监测系统及方法Battery temperature monitoring system and method
本申请要求在2022年08月12日提交中国专利局、申请号为202210966343.8的中国专利申请的优先权,该申请的全部内容通过引用结合在本申请中。This application claims priority to the Chinese patent application with application number 202210966343.8, which was submitted to the China Patent Office on August 12, 2022. The entire content of this application is incorporated into this application by reference.
技术领域Technical field
本申请涉及电池监测技术领域,例如涉及一种电池温度监测系统及方法。This application relates to the technical field of battery monitoring, for example, to a battery temperature monitoring system and method.
背景技术Background technique
船用电池管理系统(Battery Management System,BMS)需要具备电池过高温保护功能,且过高温保护应独立于其他温度监测等部件。通常船用BMS通过独立的采集板实现对电芯温度和电压的独立或冗余监测,且温度采集板、温度采集通道与电芯温度点数量比例为1:1:1。这种方法的温度采集板数量偏多,且温度采集通道数量也偏多,相应的产品硬件成本以及布局成本都较难控制。The marine battery management system (Battery Management System, BMS) needs to have a battery over-temperature protection function, and the over-temperature protection should be independent of other temperature monitoring and other components. Usually, marine BMS realizes independent or redundant monitoring of battery core temperature and voltage through independent acquisition boards, and the ratio of the number of temperature acquisition boards, temperature acquisition channels and battery core temperature points is 1:1:1. This method requires a large number of temperature acquisition boards and a large number of temperature acquisition channels. The corresponding product hardware costs and layout costs are difficult to control.
发明内容Contents of the invention
本申请提供了一种电池温度监测系统及方法,以实现对电池温度的独立或冗余监测,同时减少温度采集板数量、减少硬件成本以及布局成本。This application provides a battery temperature monitoring system and method to achieve independent or redundant monitoring of battery temperature, while reducing the number of temperature acquisition boards, hardware costs, and layout costs.
本申请提供了一种电池温度监测系统,包括:This application provides a battery temperature monitoring system, including:
多个电池箱,每一电池箱包括第一采集从板、第二采集从板及多个单体电池;A plurality of battery boxes, each battery box including a first collection slave board, a second collection slave board and a plurality of single cells;
所述第一采集从板的输入端与所述电池箱中的至少部分所述多个单体电池连接,设置为采集所述至少部分所述多个单体电池中每个单体电池的第一温度值;The input end of the first collecting slave board is connected to at least part of the plurality of single cells in the battery box, and is configured to collect at least part of the first data of each single cell in the plurality of single cells. a temperature value;
所述第二采集从板的输入端与每个单体电池连接,设置为采集每个单体电池的电压值和至少部分所述多个单体电池中每个单体电池的第二温度值。The second acquisition slave board is connected to the input end of each single cell and is configured to collect the voltage value of each single cell and at least part of the second temperature value of each single cell in the plurality of single cells. .
本申请提供了一种电池温度监测方法,包括:This application provides a battery temperature monitoring method, including:
第一采集从板采集预设数量的单体电池中每个单体电池的第一温度值,其中,所述预设数量为设置于电池箱内的温度传感器的数量;The first acquisition collects the first temperature value of each single cell in a preset number of single cells from the board, where the preset number is the number of temperature sensors disposed in the battery box;
第二采集从板采集每个单体电池的电压值及所述预设数量的单体电池中每个单体电池应的第二温度值。The second acquisition collects the voltage value of each single cell and the second temperature value of each single cell in the preset number of single cells from the board.
附图说明Description of drawings
图1A为本申请实施例一提供的一种电池温度监测系统的部分结构示意图;Figure 1A is a partial structural schematic diagram of a battery temperature monitoring system provided in Embodiment 1 of the present application;
图1B为本申请实施例一提供的另一种电池温度监测系统的结构示意图;Figure 1B is a schematic structural diagram of another battery temperature monitoring system provided in Embodiment 1 of the present application;
图2A为本申请实施例二提供的一种电池温度监测方法的流程图;Figure 2A is a flow chart of a battery temperature monitoring method provided in Embodiment 2 of the present application;
图2B为本申请实施例二提供的另一种电池温度监测方法的流程图。FIG. 2B is a flow chart of another battery temperature monitoring method provided in Embodiment 2 of the present application.
具体实施方式Detailed ways
本申请的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象,而不必用于描述特定的顺序或先后次序。这样使用的数据在适当情况下可以互换,以便这里描述的本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施。此外,术语“包括”和“具有”以及他们的任何变形,意图在于覆盖不排他的包含,例如,包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于列出的那些步骤或单元,而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。The terms "first", "second", etc. in the description and claims of this application and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. Data so used are interchangeable under appropriate circumstances so that the embodiments of the application described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "include" and "having" and any variations thereof are intended to cover non-exclusive inclusions, e.g., processes, methods, systems, products or devices that comprise a series of steps or units and are not necessarily limited to those steps listed. or units, but may include other steps or units not expressly listed or inherent to such processes, methods, products or devices.
实施例一 Embodiment 1
图1A为本申请实施例一提供的一种电池温度监测系统的部分结构示意图,本实施例可适用于实现对电池温度的独立或冗余监测,同时减少温度采集板数量、减少硬件成本以及布局成本,如图1A所示,该系统包括:多个电池箱110,每一电池箱110包括第一采集从板111、第二采集从板112及多个单体电池113。Figure 1A is a partial structural schematic diagram of a battery temperature monitoring system provided in Embodiment 1 of the present application. This embodiment can be used to implement independent or redundant monitoring of battery temperature while reducing the number of temperature acquisition boards, hardware costs and layout. Cost, as shown in FIG. 1A , the system includes: multiple battery boxes 110 , each battery box 110 including a first collection slave board 111 , a second collection slave board 112 and a plurality of single cells 113 .
电池箱110作为一个整体,包裹着多个采集从板、以及电池簇等其他元件,电池箱110中包括一个第一采集从板111,一个第二采集从板112以及由多个单体电池113所组成的电池簇。As a whole, the battery box 110 wraps multiple collection slave boards, battery clusters and other components. The battery box 110 includes a first collection slave board 111 , a second collection slave board 112 and a plurality of single cells 113 composed of battery clusters.
第一采集从板111的输入端与电池箱110中的至少部分该多个单体电池113连接,设置为采集至少部分该多个单体电池113的中每个单体电池113第一温度值。The input end of the first acquisition slave board 111 is connected to at least part of the plurality of single cells 113 in the battery box 110, and is configured to collect at least part of the first temperature value of each single cell 113 of the plurality of single cells 113. .
单体电池113中设置有温度传感器,设置为获取当前单体电池113的电芯温度。第一采集从板111包含有多个输入采集通道作为输入端。第一采集从板111的输入采集通道与电池箱110中单体电池113的温度传感器连接,设置为采集单体电池113当前的温度,作为该单体电池113对应的第一温度值。The single cell 113 is provided with a temperature sensor, which is configured to obtain the current cell temperature of the single cell 113 . The first acquisition slave board 111 includes multiple input acquisition channels as input terminals. The input acquisition channel of the first acquisition slave board 111 is connected to the temperature sensor of the single battery 113 in the battery box 110, and is configured to collect the current temperature of the single battery 113 as the first temperature value corresponding to the single battery 113.
第二采集从板112的输入端与每个单体电池113连接,设置为采集每个单体电池113的电压值和至少部分该多个单体电池113中每个单体电池113的第二温度值。The second collection slave board 112 is connected to the input end of each single cell 113 and is configured to collect the voltage value of each single cell 113 and at least part of the second voltage value of each single cell 113 in the plurality of single cells 113 . temperature value.
第二采集从板112中包含有多个温度采集通道和多个电压采集通道作为输入端,第二采集从板112中的温度采集通道与单体电池113的温度传感器连接,设置为采集单体电池113当前的温度,作为该单体电池113对应的第二温度值;第二采集从板112中的电压采集通道与单体电池113的电压采集模块连接,设置为采集单体电池113当前的电压值,作为该单体电池113的对应的电压值。The second acquisition slave board 112 includes multiple temperature acquisition channels and multiple voltage acquisition channels as input terminals. The temperature acquisition channels in the second acquisition slave board 112 are connected to the temperature sensors of the single cells 113 and are configured to collect single cells. The current temperature of the battery 113 is used as the second temperature value corresponding to the single battery 113; the voltage acquisition channel in the second acquisition slave board 112 is connected to the voltage acquisition module of the single battery 113, and is set to collect the current temperature of the single battery 113. The voltage value is the corresponding voltage value of the single cell 113 .
本申请实施例中,以第二采集从板112中的电压采集通道与单体电池113的电压采集模块连接为示例性说明,在本申请的其它实施例中第二采集从板112还可以连接单体电池113中的其它位置以采集单体电池113的电压值,本申请实施例仅做举例,不作限定。In the embodiment of the present application, the voltage collection channel in the second collection slave board 112 is connected to the voltage collection module of the single cell 113 as an example. In other embodiments of the present application, the second collection slave board 112 can also be connected. Other positions in the single cell 113 are used to collect the voltage value of the single cell 113. The embodiments of this application are only examples and are not limiting.
如图1A所示,其示出了电池温度监测系统的一个电池箱110的结构示意图。该电池箱110包括n个单体电池113,第一采集从板111采集n个单体电池113的第一温度值OT1,OT2,…,OTn-1,OTn,第二采集从板112采集n个单体电池113的第二温度值BT1,BT2,…,BTn-1,BTn,以及采集n个单体电池113的电压值V1,V2,…,Vn-1,Vn。As shown in FIG. 1A , it shows a schematic structural diagram of a battery box 110 of the battery temperature monitoring system. The battery box 110 includes n single cells 113. The first collection slave board 111 collects the first temperature values OT1, OT2, ..., OTn-1, OTn of the n single cells 113. The second collection slave board 112 collects n. The second temperature values BT1, BT2, ..., BTn-1, BTn of the single cells 113 are collected, and the voltage values V1, V2, ..., Vn-1, Vn of the n single cells 113 are collected.
图1B为本申请实施例一提供的另一种电池温度监测系统的结构示意图,如图1B所示,在本申请的一些实施例中,电池温度监测系统还包括:域控制模块130和多个簇控制模块130。Figure 1B is a schematic structural diagram of another battery temperature monitoring system provided in Embodiment 1 of the present application. As shown in Figure 1B, in some embodiments of the present application, the battery temperature monitoring system also includes: a domain control module 130 and multiple Cluster control module 130.
第一采集从板111的输出端与簇控制模块130的第一输入端连接,第二采集从板112的输出端与簇控制模块130的第二输入端连接。The output terminal of the first acquisition slave board 111 is connected to the first input terminal of the cluster control module 130 , and the output terminal of the second acquisition slave board 112 is connected to the second input terminal of the cluster control module 130 .
簇控制模块130的输出端与域控制模块120的输入端连接,簇控制模块130设置为接收第一采集从板111采集的第一温度值,以及第二采集从板112采集的第二温度值和电压值,并将接收的第一温度值、第二温度值和电压值作为原始数据,基于原始数据监测电池箱110中的多个单体电池113的故障情况,作为电池簇故障情况,将电池簇故障情况发送给域控制模块120。The output end of the cluster control module 130 is connected to the input end of the domain control module 120. The cluster control module 130 is configured to receive the first temperature value collected from the first acquisition slave board 111 and the second temperature value collected from the second acquisition slave plate 112. and voltage values, and use the received first temperature value, second temperature value and voltage value as original data, monitor the fault conditions of multiple single cells 113 in the battery box 110 based on the original data, and use them as battery cluster fault conditions. The battery cluster failure condition is sent to the domain control module 120 .
簇控制模块130将接收得到的多个第一温度值,以及多个第二温度值、多个电压值都作为原始数据,以用于后续根据原始数据确定电池系统的故障情况。本申请实施例对第一温度值、第二温度值、电压值的数量仅作举例,不作限定。在本申请的一些实施例中,第一温度值、第二温度值、电压值的数量可以均为相等,在本申请的其它实施例中,第一温度值、第二温度值、 电压值的数量可以两两不同,等等。The cluster control module 130 uses the received plurality of first temperature values, the plurality of second temperature values, and the plurality of voltage values as original data for subsequent determination of fault conditions of the battery system based on the original data. The embodiments of the present application are only examples of the number of the first temperature value, the second temperature value, and the voltage value, and are not limiting. In some embodiments of the present application, the numbers of the first temperature value, the second temperature value, and the voltage value may all be equal. In other embodiments of the present application, the first temperature value, the second temperature value, and the voltage value may be equal in number. Quantities can vary by pair, etc.
簇控制模块130还设置为根据接收得到的原始数据来检测所负责的电池箱110中的单体电池113当前是否存在有温度过高、温度过低等故障情况,将簇控制模块130根据原始数据分析得到的多个单体电池113的故障情况进行整合,作为电池簇故障情况,并将整合后的电池簇故障情况上传至域控制模块120。The cluster control module 130 is also configured to detect whether the single battery 113 in the battery box 110 it is responsible for currently has fault conditions such as too high or too low a temperature based on the received original data, and the cluster control module 130 controls the battery according to the original data. The analyzed fault conditions of the multiple single batteries 113 are integrated and used as battery cluster fault conditions, and the integrated battery cluster fault conditions are uploaded to the domain control module 120 .
本申请实施例对如何根据接收得到的原始数据来检测所负责的电池箱110中的单体电池113当前是否存在有温度过高、温度过低等故障情况仅作举例,不作限定,在本申请的一些实施例中可以通过查询异常温度对应表的方式来确定电池箱110中单体电池113的故障情况,在本申请的其它实施例中还可以通过将一电池箱110中所有单体电池113的温度结合按照故障分析策略来进行分析来得到当前一电池箱110中的故障情况。The embodiment of this application is only an example of how to detect whether the single battery 113 in the responsible battery box 110 currently has fault conditions such as too high or too low a temperature based on the received raw data, and is not limited. In this application In some embodiments, the fault condition of the single cells 113 in the battery box 110 can be determined by querying the abnormal temperature corresponding table. In other embodiments of the present application, all single cells 113 in a battery box 110 can also be determined. The temperature is combined and analyzed according to the fault analysis strategy to obtain the current fault situation in the battery box 110 .
本申请实施例对如何整合一电池箱110中多个单体电池113的故障情况不作限定。The embodiment of the present application does not limit how to integrate the fault conditions of multiple single cells 113 in a battery box 110 .
域控制模块120设置为基于电池簇故障情况监测电池系统的电池系统故障情况,其中,电池系统包括多个电池箱110。The domain control module 120 is configured to monitor a battery system failure condition of the battery system based on a battery cluster failure condition, where the battery system includes a plurality of battery boxes 110 .
域控制模块120与电池温度监测系统中的多个簇控制模块130进行连接,接收电池系统内多个电池簇对应的电池簇故障情况,域控制模块120根据多个电池簇故障情况分析当前整个电池系统的故障情况,分析当前电池系统的故障原因。The domain control module 120 is connected to multiple cluster control modules 130 in the battery temperature monitoring system, and receives battery cluster fault conditions corresponding to multiple battery clusters in the battery system. The domain control module 120 analyzes the current entire battery according to the multiple battery cluster fault conditions. System failure conditions and analyze the causes of current battery system failures.
在对电池系统进行温度异常检测时,通过设置多个簇控制模块130以及单个域控制模块120,通过多个簇控制模块130分别控制电池系统中对应的多个电池簇,再通过单个域控制模块120对电池系统中的多个电池簇的情况进行整合分析,多个簇控制模块130同时对电池簇进行故障情况的排查,大大提高了电池温度监测的效率,以便于及时对电池的异常情况进行反应,降低危险发生的概率。When detecting temperature anomalies in the battery system, multiple cluster control modules 130 and a single domain control module 120 are set up. Multiple cluster control modules 130 are used to control corresponding multiple battery clusters in the battery system, and then a single domain control module is used to control the battery system. 120 performs integrated analysis on the conditions of multiple battery clusters in the battery system, and multiple cluster control modules 130 simultaneously troubleshoot battery clusters, greatly improving the efficiency of battery temperature monitoring, so as to facilitate timely detection of abnormal battery conditions. response to reduce the probability of danger occurring.
在本申请的一些实施例中,簇控制模块130的数量等于电池箱110的数量。In some embodiments of the present application, the number of cluster control modules 130 is equal to the number of battery boxes 110 .
由于每一个电池箱110中均有一簇由多个单体电池113组成的电池簇,在本申请的一些实施例中簇控制模块130与电池箱110一一对应,一个簇控制模块130对应监测一个电池箱110的故障情况。Since each battery box 110 has a battery cluster composed of multiple single cells 113, in some embodiments of the present application, the cluster control module 130 corresponds to the battery box 110 one-to-one, and one cluster control module 130 monitors one Failure condition of battery box 110.
本申请实施例对簇控制模块130的数量和电池箱110的数量仅作举例,不作限定,在本申请的其他实施例中,还可以一个簇控制模块130对应两个 电池箱110或多个电池箱110。The number of cluster control modules 130 and the number of battery boxes 110 in the embodiment of this application is only an example and is not limiting. In other embodiments of this application, one cluster control module 130 can also correspond to two battery boxes 110 or multiple batteries. Box 110.
在本申请的一些实施例中,电池箱110内设置有多个第一温度传感器,第一温度传感器的数量少于单体电池113的数量,且一个单体电池113内至多设置一个第一温度传感器,设置有第一温度传感器的每两个单体电池113不相邻,第一温度传感器与第一采集从板111连接。In some embodiments of the present application, multiple first temperature sensors are provided in the battery box 110 . The number of first temperature sensors is less than the number of single cells 113 , and at most one first temperature sensor is set in one single cell 113 . Sensor, every two single cells 113 provided with a first temperature sensor are not adjacent to each other, and the first temperature sensor is connected to the first collection slave board 111 .
电池箱110内设置有多个第一温度传感器,单个第一温度传感器设置为采集单个单体电池113的温度。一个单体电池113内至多设置一个第一温度传感器,设置有第一温度传感器的每两个单体电池113不相邻,示例性的,电池箱110内有由12个单体电池113组合而成的电池簇,在电池箱110内的第2个单体电池113、第5个单体电池113、第8个单体电池113、第11个单体电池113内设置第一传感器,4个第一温度传感器均与第一采集从板111的温度采集通道输入端连接,以将第2个单体电池113、第5个单体电池113、第8个单体电池113、第11个单体电池113对应的第一温度值发送至第一采集从板111,第一采集从板111再通过控制器局域网络(Controller Area Network,CAN)总线将接收到的第一温度值发送至簇控制模块130中,以使簇控制模块130能够根据得到的多个第一温度值计算出电池箱110中其他单体电池113的第一温度拟合值,以分析得到电池簇故障情况。A plurality of first temperature sensors are provided in the battery box 110 , and a single first temperature sensor is configured to collect the temperature of a single cell 113 . At most one first temperature sensor is provided in one single cell 113, and every two single cells 113 provided with the first temperature sensor are not adjacent. For example, the battery box 110 is composed of 12 single cells 113. In the battery cluster formed by the battery box, four first sensors are installed in the second single cell 113, the fifth single cell 113, the eighth single cell 113, and the eleventh single cell 113 in the battery box 110. The first temperature sensors are all connected to the temperature acquisition channel input terminals of the first acquisition slave board 111 to connect the second single cell 113, the fifth single cell 113, the eighth single cell 113, and the eleventh single cell. The first temperature value corresponding to the battery 113 is sent to the first acquisition slave board 111, and the first acquisition slave board 111 then sends the received first temperature value to the cluster control through the Controller Area Network (Controller Area Network, CAN) bus. In the module 130, the cluster control module 130 can calculate the first temperature fitting values of other single cells 113 in the battery box 110 based on the obtained plurality of first temperature values, so as to analyze and obtain the battery cluster failure situation.
本申请实施例通过使用少于单体电池总数量的温度传感器来采集温度值,并通过仿真拟合得到一电池箱中所有电池的温度值,减少了所需要的温度传感器,以及减少了采集从板上的采集通道,降低了电池温度监测系统的硬件成本和布局成本,使电池温度监测系统体积更小、更加简洁。The embodiment of the present application collects temperature values by using temperature sensors that are less than the total number of single cells, and obtains the temperature values of all batteries in a battery box through simulation fitting, reducing the number of temperature sensors required and the time required for collection. The acquisition channel on the board reduces the hardware cost and layout cost of the battery temperature monitoring system, making the battery temperature monitoring system smaller and more concise.
示例性的,本申请实施例可以根据多个第一温度传感器获取得到的多个第一温度值,利用热仿真计算拟合出电池箱110中其他未设置第一温度传感器的单体电池113对应的第一温度拟合值,从而得到电池箱110中所有单体电池113中每个单体电池113的第一温度拟合值。Illustratively, the embodiment of the present application can use thermal simulation calculations to calculate and fit the corresponding values of other single cells 113 in the battery box 110 that are not equipped with first temperature sensors based on multiple first temperature values obtained by multiple first temperature sensors. The first temperature fitting value is obtained, thereby obtaining the first temperature fitting value of each single cell 113 of all single cells 113 in the battery box 110 .
本申请实施例对于电池箱110内的第一温度传感器的数量仅作举例,不作限定,在本申请的其他实施例中第一温度传感器的数量可以为电池箱110中单体电池113数量的二分之一、三分之一等。The embodiment of the present application is only an example of the number of first temperature sensors in the battery box 110 and is not limiting. In other embodiments of the present application, the number of first temperature sensors may be two times the number of single cells 113 in the battery box 110 . One-third, one-third, etc.
此外,本申请实施例中利用热仿真计算拟合出电池箱110中其他未设置第一温度传感器的单体电池113对应的第一温度拟合值为本申请实施例的示例性说明,在本申请的其他实施例中还可以使用其他的方法得到电池箱110中未设置第一温度传感器的单体电池113的第一温度拟合值,本申请实施例仅作举例,不作限定。In addition, in the embodiment of the present application, thermal simulation calculation is used to fit the first temperature fitting values corresponding to other single cells 113 in the battery box 110 that are not provided with the first temperature sensor. This is an exemplary explanation of the embodiment of the present application. In this application, In other embodiments of the application, other methods can be used to obtain the first temperature fitting value of the single cell 113 in the battery box 110 without a first temperature sensor. The embodiments of the application are only examples and are not limiting.
在本申请的一些实施例中,电池箱110内设置有多个第二温度传感器及多个电压传感器,其中,第二温度传感器的数量少于单体电池113的数量,且一个单体电池113内至多设置一个第二温度传感器,设置有第二温度传感器的每两个单体电池113不相邻,第二温度传感器与第二采集从板112连接;多个电压传感器与多个单体电池113一一对应设置,电压传感器与第二采集从板112连接。In some embodiments of the present application, a plurality of second temperature sensors and a plurality of voltage sensors are provided in the battery box 110 , wherein the number of second temperature sensors is less than the number of single cells 113 , and one single cell 113 At most one second temperature sensor is provided inside, and every two single cells 113 provided with the second temperature sensor are not adjacent. The second temperature sensor is connected to the second acquisition slave board 112; multiple voltage sensors are connected to multiple single cells. 113 are set in one-to-one correspondence, and the voltage sensor is connected to the second acquisition slave board 112 .
单个第二温度传感器设置为采集单个单体电池113的温度,作为第二温度值,一个单体电池113内至多设置一个第二温度传感器,设置有第二温度传感器的每两个单体电池113不相邻,而电压传感器设置于电池箱110中的每一个单体电池113内。示例性的,电池箱110内有12个单体电池113组合而成的电池簇,在电池箱110内的第1个单体电池113、第4个单体电池113、第7个单体电池113、第10个单体电池113内设置第二温度传感器,4个第二温度传感器均与第二采集从板112的温度采集通道输入端连接,以将第1个单体电池113、第4个单体电池113、第7个单体电池113、第10个单体电池113对应的第二温度值发送至第二采集从板112,第二采集从板112再通过CAN总线将接收到的第二温度值发送至簇控制模块130中,以使簇控制模块130能够根据得到的多个第二温度值计算出电池箱110中其他单体电池113的第二温度拟合值,以结合电压值分析得到电池簇故障情况。A single second temperature sensor is configured to collect the temperature of a single unit cell 113. As the second temperature value, at most one second temperature sensor is provided in one unit cell 113, and every two unit cells 113 provided with a second temperature sensor are not adjacent to each other, but the voltage sensor is provided in each single cell 113 in the battery box 110 . For example, the battery box 110 contains a battery cluster composed of 12 single cells 113. The first single battery 113, the fourth single battery 113, and the seventh single battery in the battery box 110 113. A second temperature sensor is provided in the tenth single cell 113, and the four second temperature sensors are all connected to the temperature acquisition channel input end of the second acquisition slave board 112 to connect the first single cell 113 and the fourth The second temperature values corresponding to the first single cell 113, the seventh single cell 113, and the tenth single cell 113 are sent to the second acquisition slave board 112, and the second acquisition slave board 112 then receives the received temperature values through the CAN bus. The second temperature value is sent to the cluster control module 130, so that the cluster control module 130 can calculate the second temperature fitting value of other single cells 113 in the battery box 110 based on the obtained plurality of second temperature values, in order to combine the voltage The battery cluster failure status is obtained through value analysis.
本申请实施例对于电池箱110内的第二温度传感器的数量仅作举例,不作限定,在本申请的其他实施例中第二温度传感器的数量可以为电池箱110中单体电池113数量的二分之一、三分之一等。The embodiment of the present application is only an example of the number of second temperature sensors in the battery box 110 and is not limiting. In other embodiments of the present application, the number of second temperature sensors can be two times the number of single cells 113 in the battery box 110 . One-third, one-third, etc.
此外,在本申请的实施例中,第一温度传感器可以同时为第二温度传感器;或第一温度传感器和第二温度传感器均为独立设置于对应的单体电池113中,本申请实施例仅做举例,不作限定。In addition, in the embodiment of the present application, the first temperature sensor can be a second temperature sensor at the same time; or the first temperature sensor and the second temperature sensor are independently provided in the corresponding single cell 113. The embodiment of the present application only Give examples, not limitations.
在本申请的一些实施例中,簇控制模块130还设置为基于电池簇故障情况生成电池簇保护指令,以保护簇控制模块130对应的电池箱110中的多个单体电池113;域控制模块120还设置为基于电池系统故障情况生成电池系统保护指令,以保护域控制模块120对应的电池系统。In some embodiments of the present application, the cluster control module 130 is also configured to generate a battery cluster protection instruction based on a battery cluster failure condition to protect multiple single batteries 113 in the battery box 110 corresponding to the cluster control module 130; domain control module 120 is also configured to generate a battery system protection instruction based on a battery system fault condition to protect the battery system corresponding to the domain control module 120 .
簇控制模块130除了监测当前电池箱110中的电池簇的温度异常情况之外,还根据电池簇中每个电池的温度异常情况生成电池簇保护指令,如根据温度异常的单体电池113的温度值及所在位置进行查询保护指令对照表,得到电池簇保护指令,并将电池簇保护指令发送回电池箱110中的单体电池113,以能够立刻通过簇控制模块130及时对电池簇进行保护,尽量避免安全隐患发生。In addition to monitoring the temperature abnormality of the battery cluster in the current battery box 110, the cluster control module 130 also generates a battery cluster protection instruction based on the temperature abnormality of each battery in the battery cluster, such as the temperature of the single cell 113 based on the abnormal temperature. The value and location of the protection command comparison table are queried to obtain the battery cluster protection command, and the battery cluster protection command is sent back to the single battery 113 in the battery box 110, so that the battery cluster can be protected in time through the cluster control module 130. Try to avoid safety hazards.
与此同时,域控制模块120也根据电池系统中多个电池簇的故障情况综合得到的电池系统故障情况生成电池系统保护指令,示例性的,根据电池故障情况中温度异常的单体电池113的数量、以及超出正常温度范围值的温度差值,查询预设的故障解决策略,来生成电池系统保护指令,以调度每个电池箱110的供电状态,以使在对电池系统进行保护的同时,能够确保电池系统也能够进行正常供电,保持电池系统的正常运作。At the same time, the domain control module 120 also generates a battery system protection instruction based on the battery system fault condition synthesized from the fault conditions of multiple battery clusters in the battery system. For example, according to the abnormal temperature of the single battery 113 in the battery fault condition. quantity, and the temperature difference beyond the normal temperature range, query the preset fault resolution strategy to generate battery system protection instructions to schedule the power supply status of each battery box 110, so that while protecting the battery system, It can ensure that the battery system can also provide normal power supply and maintain the normal operation of the battery system.
通过设置多个簇控制模块130分别监测多个电池簇的温度异常情况,并针对温度异常情况进行调整保护,同时,设置设置为监测整个电池系统的域控制模块120,对包含多个电池簇的电池系统进行温度异常监测及电池系统的故障保护和供电调度,通过设置“一对多”的电池温度监测系统,簇控制模块130、域控制模块120分别监测温度异常情况,并且分别作出对应的保护指令,能够实现对电池系统中的单体电池113的双重保护。By setting up multiple cluster control modules 130 to monitor the temperature anomalies of multiple battery clusters respectively, and adjusting protection according to the temperature anomalies, and at the same time, setting up a domain control module 120 configured to monitor the entire battery system, to monitor the temperature abnormalities of multiple battery clusters. The battery system performs temperature abnormality monitoring, battery system fault protection and power supply scheduling. By setting up a "one-to-many" battery temperature monitoring system, the cluster control module 130 and the domain control module 120 respectively monitor temperature abnormality and take corresponding protection measures. The instruction can realize double protection of the single battery 113 in the battery system.
簇控制模块130及时监测电池箱110中一簇单体电池113的故障情况,以及域控制模块120根据多个簇控制模块130发送的故障情况来分析整个电池系统的故障情况,高内聚低耦合,提高对于电池温度监测的效率。The cluster control module 130 timely monitors the fault condition of a cluster of single cells 113 in the battery box 110, and the domain control module 120 analyzes the fault condition of the entire battery system based on the fault conditions sent by multiple cluster control modules 130, with high cohesion and low coupling. , improve the efficiency of battery temperature monitoring.
另外,本申请实施例对根据温度异常的单体电池113的温度值及所在位置进行查询保护指令对照表,得到电池簇保护指令,以及,查询预设的故障解决策略,来生成电池系统保护指令仅作举例,不作限定,在本申请的其它实施例中还可以使用其他的方式来得到电池簇保护指令以及电池系统保护指令,如使用历史温度异常情况及对应的保护指令训练深度学习模型,根据当前温度异常情况,使用训练好的深度学习模型预测生成故障情况。In addition, the embodiment of the present application queries the protection instruction comparison table based on the temperature value and location of the single cell 113 with abnormal temperature, to obtain the battery cluster protection instruction, and queries the preset fault resolution strategy to generate the battery system protection instruction. This is only an example and not a limitation. In other embodiments of the present application, other methods can also be used to obtain battery cluster protection instructions and battery system protection instructions, such as using historical temperature anomalies and corresponding protection instructions to train a deep learning model. According to For current temperature anomalies, the trained deep learning model is used to predict and generate fault conditions.
本申请实施例的技术方案,通过设置多个电池箱,每一电池箱包括第一采集从板、第二采集从板及多个单体电池;第一采集从板的输入端与电池箱中的单体电池连接,设置为采集单体电池的第一温度值;第二采集从板的输入端与单体电池连接,设置为采集单体电池的第二温度值和电压值。本申请的技术方案将其中一个采集从板设置为同时采集电压和温度,提高了采集从板的功能复用性,并且减少电池箱中采集从板的数量,一定程度上减少了电池箱的体积,降低了产品硬件成本和布局成本,同时两个采集从板均分别采集电池箱中每个单体电池的温度,进而能够得到单体电池的两个温度值,以确保能够检测到单体电池的温度,防止因采集从板故障而无法采集单体电池温度的情况发生。The technical solution of the embodiment of the present application is to set up multiple battery boxes. Each battery box includes a first collection slave board, a second collection slave board and a plurality of single cells; the input end of the first collection slave board is connected to the battery box. The single cell is connected and set to collect the first temperature value of the single cell; the second acquisition slave board is connected to the input end of the single cell and set to collect the second temperature value and voltage value of the single cell. The technical solution of this application sets one of the acquisition slave boards to collect voltage and temperature at the same time, which improves the functional reusability of the acquisition slave board, reduces the number of acquisition slave boards in the battery box, and reduces the volume of the battery box to a certain extent. , reducing the product hardware cost and layout cost. At the same time, the two acquisition slave boards separately collect the temperature of each single cell in the battery box, and then can obtain the two temperature values of the single battery to ensure that the single battery can be detected. temperature to prevent the single cell temperature from being unable to be collected due to failure of the acquisition slave board.
实施例二Embodiment 2
图2A为本申请实施例二提供的一种电池温度监测方法的流程图,该方法可以由电池温度监测系统来执行,该电池温度监测方法可以采用硬件和/或软件的形式实现。如图2A所示,该方法包括:Figure 2A is a flow chart of a battery temperature monitoring method provided in Embodiment 2 of the present application. The method can be executed by a battery temperature monitoring system. The battery temperature monitoring method can be implemented in the form of hardware and/or software. As shown in Figure 2A, the method includes:
S201、第一采集从板采集预设数量的单体电池中每个单体电池的第一温度值。S201. The first collection slave board collects the first temperature value of each single cell in a preset number of single cells.
第一采集从板设置于包含有电池簇的电池箱中,第一采集从板采集预设数量的单体电池中每个单体电池的第一温度值,其中,预设数量为设置于电池箱内的温度传感器的数量。The first acquisition slave board is arranged in a battery box containing a battery cluster. The first acquisition slave board collects the first temperature value of each single cell in a preset number of single cells, where the preset number is set in the battery. The number of temperature sensors in the box.
示例性的,电池箱中的电池簇由12个单体电池组合而成,预设数量为6,则一个单体电池内至多设置一个第一温度传感器,设置有第一温度传感器的每两个单体电池不相邻。第一采集从板采集通过6个第一温度传感器得到的6个第一温度值。For example, the battery cluster in the battery box is composed of 12 single cells, and the preset number is 6. Then at most one first temperature sensor is set in one single cell, and every two first temperature sensors are set. Cells are not adjacent to each other. The first collection collects 6 first temperature values from the board through 6 first temperature sensors.
本申请实施例中预设数量为6为本申请实施例的示例性说明,在本申请的其它实施例中,还可以实际场景进行调整,如根据用于计算所有第一温度值的拟合算法的精度、及电池簇的单体电池的总数量来确定预设数量,本申请实施例仅作举例,不作限定。The preset number of 6 in the embodiment of this application is an exemplary description of the embodiment of this application. In other embodiments of this application, it can also be adjusted in actual scenarios, such as according to the fitting algorithm used to calculate all first temperature values. The preset number is determined based on the accuracy and the total number of single cells in the battery cluster. The embodiments of this application are only examples and are not limiting.
S202、第二采集从板采集每个单体电池的电压值及预设数量的单体电池中每个单体电池的第二温度值。S202. The second acquisition slave board collects the voltage value of each single cell and the second temperature value of each single cell in the preset number of single cells.
第二采集从板同样设置于包含有电池簇的电池箱中,第二采集从板采集所有单体电池中每个单体电池的电压值,以及采集预设数量的单体电池中每个单体电池的第二温度值。The second acquisition slave board is also arranged in the battery box containing the battery cluster. The second acquisition slave board collects the voltage value of each single cell in all single cells, and collects the voltage value of each single cell in the preset number of single cells. The second temperature value of the battery.
示例性的,电池箱中的电池簇由12个单体电池组合而成,预设数量为6,则一个单体电池内至多设置一个第二温度传感器,设置有第二温度传感器的每两个单体电池不相邻。第二采集从板采集通过6个第二温度传感器得到的6个第二温度值,并通过电压传感器采集电池箱中每个单体电池的电压值。For example, the battery cluster in the battery box is composed of 12 single cells, and the preset number is 6. Then at most one second temperature sensor is provided in one single cell, and every two second temperature sensors are provided. Cells are not adjacent to each other. The second collection board collects 6 second temperature values obtained through 6 second temperature sensors, and collects the voltage value of each single cell in the battery box through a voltage sensor.
本申请实施例中预设数量为6为本申请实施例的示例性说明,在本申请的其它实施例中,还可以实际场景进行调整,如根据用于计算所有第二温度值的拟合算法的精度、及电池簇的单体电池的总数量来确定预设数量,本申请实施例仅作举例,不作限定。The preset number of 6 in the embodiment of this application is an exemplary description of the embodiment of this application. In other embodiments of this application, it can also be adjusted in actual scenarios, such as according to the fitting algorithm used to calculate all second temperature values. The preset number is determined based on the accuracy and the total number of single cells in the battery cluster. The embodiments of this application are only examples and are not limiting.
图2B为本申请实施例二提供的另一种电池温度监测方法的流程图,如图2B所示,在本申请的一些实施例中,电池温度监测方法还包括:Figure 2B is a flow chart of another battery temperature monitoring method provided in Embodiment 2 of the present application. As shown in Figure 2B, in some embodiments of the present application, the battery temperature monitoring method also includes:
S203、簇控制模块接收第一采集从板采集的第一温度值,以及第二采集从板采集的第二温度值和电压值,并将接收的第一温度值、第二温度值和电 压值作为原始数据输出。S203. The cluster control module receives the first temperature value collected by the first acquisition slave board, and the second temperature value and voltage value collected by the second acquisition slave board, and converts the received first temperature value, second temperature value and voltage value Output as raw data.
簇控制模块与对应的电池箱中的第一采集从板、第二采集从板连接,簇控制模块接收来自第一采集从板的多个第一温度值、来自第二采集从板的多个第二温度值及电压值,将上述数据均作为原始数据进行存储,以用于得到电池温度异常情况。The cluster control module is connected to the first collection slave board and the second collection slave board in the corresponding battery box. The cluster control module receives a plurality of first temperature values from the first collection slave board and a plurality of first temperature values from the second collection slave board. The second temperature value and voltage value are stored as original data to obtain the battery temperature abnormality.
本申请实施例中将第一温度值、第二温度值及电压值作为原始数据为本申请的示例性说明,本申请实施例仅作举例,不作限定,在本申请的一些实施例中,可以仅使用原始数据中的第一温度值进行温度监测,还可以仅使用原始数据中的第二温度值进行温度监测等等。In the embodiments of this application, the first temperature value, the second temperature value and the voltage value are used as raw data to illustrate the application. The embodiments of this application are only examples and are not limiting. In some embodiments of this application, you can Only the first temperature value in the original data is used for temperature monitoring, and only the second temperature value in the original data is used for temperature monitoring, and so on.
S204、簇控制模块基于原始数据监测电池箱中的多个单体电池的故障情况,并将多个单体电池的故障情况作为电池簇故障情况输出。S204. The cluster control module monitors the fault conditions of multiple single batteries in the battery box based on the original data, and outputs the fault conditions of the multiple single batteries as the battery cluster fault condition.
簇控制模块利用原始数据中预设数量的第一温度值、预设数量的第二温度值分别仿真拟合得到电池箱中的所有单体电池的第一温度值、以及第二温度值,并将所有单体电池的第一温度值、以及第二温度值分别与预设的温度范围阈值进行对比,以确定每个单体电池在不同的原始数据下的温度异常的故障情况,作为该电池箱中的第一温度值、以及第二温度值对应的电池簇故障情况。The cluster control module uses a preset number of first temperature values and a preset number of second temperature values in the original data to simulate and fit the first temperature values and the second temperature values of all single cells in the battery box, and Compare the first temperature value and the second temperature value of all single cells with the preset temperature range threshold to determine the abnormal temperature failure condition of each single cell under different raw data, as the battery The first temperature value in the box and the battery cluster failure condition corresponding to the second temperature value.
示例性的,将电池箱中每一个单体电池对应的第一温度值、以及第二温度值分别与预设的正常运行对应的温度阈值范围进行对比,判断单体电池在工作的过程中是否存在有过高温的情况发生,统计电池箱中过高温的单体电池的数量以及对应的电池编号,作为电池簇故障情况的详细内容。For example, the first temperature value and the second temperature value corresponding to each single cell in the battery box are compared with the preset temperature threshold range corresponding to normal operation to determine whether the single battery is operating during operation. If there is an over-temperature situation, count the number of over-temperature single cells in the battery box and the corresponding battery number as the details of the battery cluster failure.
根据原始数据中的第一温度值、以及第二温度值分别生成对应的电池簇故障情况。第一采集从板和第二采集从板分别对电池箱中的单体电池进行独立地温度监测,能够实现在电池箱中实现独立、冗余地监测单体电池的温度,防止由于监测器件的损坏而导致无法及时对电池系统进行温度监测、作出过高温的保护措施。Corresponding battery cluster fault conditions are respectively generated according to the first temperature value and the second temperature value in the original data. The first acquisition slave board and the second acquisition slave board independently monitor the temperature of the single cells in the battery box, which can realize independent and redundant monitoring of the temperature of the single cells in the battery box and prevent the failure of the monitoring device. Due to damage, it is impossible to promptly monitor the temperature of the battery system and take protective measures against excessive temperatures.
此外,本申请实施例对电池温度异常情况仅作举例,不作限定,在本申请的其它实施例中,除了过高温的情况以外,还可以包含其他的温度异常情况。In addition, the embodiments of the present application are only examples of battery temperature abnormality, and are not limiting. In other embodiments of the present application, in addition to over-temperature conditions, other temperature abnormality conditions may also be included.
S205、域控制模块基于多个电池簇故障情况监测电池系统的电池系统故障情况。S205. The domain control module monitors the battery system failure of the battery system based on the failure of multiple battery clusters.
簇控制模块及时监测电池箱中一簇单体电池的故障情况,以及域控制模块根据多个簇控制模块发送的故障情况来分析整个电池系统的故障情况,高 内聚低耦合,提高对于电池温度监测的效率。The cluster control module promptly monitors the fault conditions of a cluster of single cells in the battery box, and the domain control module analyzes the fault conditions of the entire battery system based on the fault conditions sent by multiple cluster control modules. High cohesion and low coupling improve the battery temperature. Monitoring efficiency.
在本申请的一些实施例中,S204包括:In some embodiments of the present application, S204 includes:
S2041、将预设数量的第一温度值输入至热仿真系统中,拟合得到电池箱中所有单体电池对应的第一温度拟合值。S2041. Input a preset number of first temperature values into the thermal simulation system, and obtain first temperature fitting values corresponding to all single cells in the battery box through fitting.
在本申请的方案中,预设的热仿真系统可以通过输入有关电池箱中的一系列的信息数据,来计算在不同运行场景下的每个单体电池的温度值,以及电池箱的散热风险。In the solution of this application, the preset thermal simulation system can calculate the temperature value of each single battery under different operating scenarios and the heat dissipation risk of the battery box by inputting a series of information data about the battery box. .
将第一采集从板采集得到的预设数量的第一温度值输入至热仿真系统中,热仿真系统依据预先设置的电池箱相关的信息数据以及预设数量的第一温度值仿真拟合得到电池箱中所有单体电池对应的第一温度拟合值。本实施例中,将热仿真系统输出的温度值均称为温度拟合值,在将预设数量的第一温度值输入至热仿真系统中后,热仿真系统不仅可以输出未进行温度采集的单体电池的温度拟合值,还可以将预设数量的第一温度值与未进行温度采集的单体电池的温度拟合值一并输出。在这种情况下,第一温度值并未改变,但为了表述统一,也可以将其称为第一温度拟合值。因此,在本实施例中,热仿真系统输出的是所有单体电池的第一温度拟合值。A preset number of first temperature values collected from the first acquisition board are input into the thermal simulation system. The thermal simulation system simulates and fits the preset number of first temperature values based on the preset information data related to the battery box and the preset number of first temperature values. The first temperature fitting value corresponding to all single cells in the battery box. In this embodiment, the temperature values output by the thermal simulation system are all called temperature fitting values. After a preset number of first temperature values are input into the thermal simulation system, the thermal simulation system can not only output The temperature fitting value of the single cell may also be outputted together with a preset number of first temperature values and the temperature fitting value of the single cell without temperature collection. In this case, the first temperature value does not change, but for the sake of unified expression, it can also be called the first temperature fitting value. Therefore, in this embodiment, the thermal simulation system outputs the first temperature fitting values of all single cells.
本申请实施例对如何拟合得到电池箱中所有单体电池对应的第一温度拟合值不作限定。The embodiments of this application do not limit how to obtain the first temperature fitting values corresponding to all single cells in the battery box.
S2042、将预设数量的第二温度值输入至热仿真系统中,拟合得到电池箱中所有单体电池对应的第二温度拟合值。S2042. Input a preset number of second temperature values into the thermal simulation system, and obtain second temperature fitting values corresponding to all single cells in the battery box through fitting.
将第二采集从板采集得到的预设数量的第二温度值输入至热仿真系统中,热仿真系统依据预先设置的电池箱相关的信息数据以及预设数量的第二温度值仿真拟合得到电池箱中所有单体电池对应的第二温度拟合值。Input a preset number of second temperature values collected from the board into the thermal simulation system. The thermal simulation system simulates and fits the preset number of second temperature values based on the preset information data related to the battery box and the preset number of second temperature values. The second temperature fitting value corresponding to all single cells in the battery box.
本申请实施例对如何拟合得到电池箱中所有单体电池对应的第二温度拟合值不作限定。The embodiments of this application do not limit how to obtain the second temperature fitting values corresponding to all single cells in the battery box.
S2043、根据多个第一温度拟合值和预设的电池簇故障策略,确定电池簇第一故障情况。S2043. Determine the first fault condition of the battery cluster based on the plurality of first temperature fitting values and the preset battery cluster fault strategy.
电池箱中第一采集从板采集得到的预设数量的第一温度值,以及通过仿真拟合得到的多个第一温度拟合值,整合得到该电池箱中所有单体电池的第一温度拟合值。In the battery box, a preset number of first temperature values collected from the board are first collected, as well as multiple first temperature fitting values obtained through simulation fitting, and the first temperatures of all single cells in the battery box are obtained by integrating fitted value.
预设的电池簇故障策略中包括了电池工作运行的标准值,用于分析当前的单体电池的温度拟合值,以确定当前电池箱中的电池簇是否出现过高温等 故障情况出现。The preset battery cluster failure strategy includes standard values for battery operation, which are used to analyze the temperature fitting values of the current single cells to determine whether the battery cluster in the current battery box has fault conditions such as excessive high temperature.
将第一温度拟合值与预设的电池簇故障策略中的标准进行比对判断,得到以第一温度拟合值为参考时的电池簇第一故障情况。The first temperature fitting value is compared with the standard in the preset battery cluster failure strategy to obtain the first fault condition of the battery cluster using the first temperature fitting value as a reference.
示例性的,预设的电池簇故障策略中规定了单体电池在正常工作运行状态下的标准温度阈值范围,将一电池箱中12个单体电池对应的第一温度拟合值分别与标准温度阈值范围进行对比,确定电池箱中的每个单体电池是否出现高于标准温度阈值范围的情况出现,即确定每个单体电池是否出现过高温的情况,生成电池簇第一故障情况。其中,电池簇第一故障情况中至少包括了出现过高温的单体电池的编号及其对应的第一温度拟合值。For example, the preset battery cluster failure strategy stipulates the standard temperature threshold range of single cells in normal operating conditions, and the first temperature fitting values corresponding to 12 single cells in a battery box are compared with the standard Compare the temperature threshold range to determine whether each single cell in the battery box is higher than the standard temperature threshold range, that is, determine whether each single cell is overheated and generate the first fault condition of the battery cluster. Wherein, the first fault condition of the battery cluster at least includes the number of the single cell with excessive high temperature and its corresponding first temperature fitting value.
本申请实施例对电池簇第一故障情况包括的信息仅作举例,不作限定,在本申请的其他实施例中电池簇第一故障情况还可以包括电池箱中出现过高温的单体电池的总数量等等。The information included in the first fault condition of the battery cluster in the embodiment of the present application is only an example and is not limiting. In other embodiments of the present application, the first fault condition of the battery cluster may also include the total number of single cells that are over-temperature in the battery box. Quantity etc.
此外,本申请实施例对预设的电池簇故障策略的形式仅做举例,不作限定,在本申请的其它实施例中,电池簇故障策略还可以为映射表的形式,例如一温度值范围对应不同的故障情况,本申请实施例仅作举例,不作限定。In addition, the embodiment of the present application only gives an example of the form of the preset battery cluster failure strategy and is not limiting. In other embodiments of the present application, the battery cluster failure strategy can also be in the form of a mapping table, for example, a temperature value range corresponding to The embodiments of this application are only examples of different fault conditions and are not limiting.
S2044、根据多个第二温度拟合值、电压值和预设的电池簇故障策略,确定电池簇第二故障情况。S2044. Determine the second fault condition of the battery cluster based on the plurality of second temperature fitting values, voltage values and the preset battery cluster fault strategy.
电池箱中第二采集从板采集得到的预设数量的第二温度值,以及通过仿真拟合得到的多个第二温度拟合值,整合得到该电池箱中所有单体电池的第二温度拟合值。The second collection in the battery box collects a preset number of second temperature values collected from the board, and multiple second temperature fitting values obtained through simulation fitting, and integrates them to obtain the second temperatures of all single cells in the battery box. fitted value.
将第二温度拟合值与预设的电池簇故障策略中的标准进行比对判断,得到以第二温度拟合值为参考时的电池簇第二故障情况。The second temperature fitting value is compared and judged with the standard in the preset battery cluster failure strategy to obtain the second fault condition of the battery cluster using the second temperature fitting value as a reference.
示例性的,将一电池箱中12个单体电池对应的第二温度拟合值分别与标准温度阈值范围进行对比、并将采集得到的电压值与预设的电压阈值范围进行对比,确定每个单体电池是否出现过高温和/或过高压的情况,生成电池簇第二故障情况。其中,电池簇第二故障情况中至少包括了出现过高温和/或过高温的单体电池的编号及其对应的第二温度拟合值、电压值,以及故障类型。For example, the second temperature fitting values corresponding to the 12 single cells in a battery box are compared with the standard temperature threshold range, and the collected voltage values are compared with the preset voltage threshold range to determine each Whether a single battery is over-temperature and/or over-voltage will generate the second fault condition of the battery cluster. Wherein, the second fault condition of the battery cluster at least includes the number of the single cell with excessive high temperature and/or excessive temperature and its corresponding second temperature fitting value, voltage value, and fault type.
本申请实施例对电池簇第二故障情况包括的信息仅作举例,不作限定,在本申请的其他实施例中电池簇第二故障情况还可以包括电池箱中出现过高温和/或过高压的单体电池的总数量等等。The information included in the second fault condition of the battery cluster in the embodiment of the present application is only an example and is not limiting. In other embodiments of the present application, the second fault condition of the battery cluster may also include excessive high temperature and/or excessive voltage in the battery box. The total number of single cells, etc.
本申请实施例通过使用少于单体电池总数量的温度传感器来采集温度值,并通过仿真拟合得到一电池箱中所有电池的温度拟合值,减少了所需要的温度传感器,以及减少了采集从板上的采集通道,降低了电池温度监测系统的 硬件成本和布局成本,使电池温度监测系统体积更小、更加简洁。The embodiment of the present application collects temperature values by using temperature sensors that are less than the total number of single cells, and obtains the temperature fitting values of all batteries in a battery box through simulation fitting, thereby reducing the number of temperature sensors required, and reducing the number of The acquisition channel is collected from the board, which reduces the hardware cost and layout cost of the battery temperature monitoring system, making the battery temperature monitoring system smaller and more concise.
在本申请的一些实施例中,电池温度监测方法还包括:In some embodiments of the present application, the battery temperature monitoring method further includes:
S206、簇控制模块基于电池簇第一故障情况生成电池簇保护指令,以保护簇控制模块对应的电池箱。S206. The cluster control module generates a battery cluster protection instruction based on the first fault condition of the battery cluster to protect the battery box corresponding to the cluster control module.
簇控制模块利用运算分析得到的电池簇故障情况后,根据电池簇故障情况查询对应的电池簇保护指令,进而生成用于保护电池簇的保护指令,尽可能避免安全隐患的发生。After the cluster control module uses the battery cluster fault condition obtained through calculation and analysis, it queries the corresponding battery cluster protection instructions according to the battery cluster fault condition, and then generates protection instructions for protecting the battery cluster to avoid potential safety hazards as much as possible.
示例性的,电池簇保护指令至少包括停止供电、断开单体电池等等,本申请仅做举例,不作限定。For example, the battery cluster protection instructions at least include stopping power supply, disconnecting single batteries, etc. This application is only an example and is not limiting.
在上述步骤中簇控制模块根据第一温度拟合值生成了电池簇第一故障情况,以及根据第二温拟合度值、电压值生成了电池簇第二故障情况。簇控制模块通过查询得到电池簇第一故障情况对应的电池簇保护指令,并将电池簇保护指令发送回电池箱中的电池簇中,以使单体电池能够执行电池簇保护指令,保护簇控制模块对应的电池箱。In the above steps, the cluster control module generates the first fault condition of the battery cluster based on the first temperature fitting value, and generates the second fault condition of the battery cluster based on the second temperature fitting degree value and voltage value. The cluster control module obtains the battery cluster protection instruction corresponding to the first fault condition of the battery cluster through query, and sends the battery cluster protection instruction back to the battery cluster in the battery box, so that the single battery can execute the battery cluster protection instruction and protect the cluster control The battery box corresponding to the module.
本申请使用多个簇控制模块基于第一温度拟合值直接对电池箱进行故障诊断及保护,能够通过独立地使用第一采集从板来实现对电池箱中单体电池的监测,即使第二温度传感器、第二采集从板或与第二采集从板连接的总线发生损坏时,簇控制模块也能进行电池箱温度异常的监测和保护。This application uses multiple cluster control modules to directly perform fault diagnosis and protection on the battery box based on the first temperature fitting value, and can realize the monitoring of single cells in the battery box by independently using the first acquisition slave board, even if the second When the temperature sensor, the second acquisition slave board, or the bus connected to the second acquisition slave board is damaged, the cluster control module can also monitor and protect the battery box temperature abnormality.
S207、域控制模块基于电池系统故障情况生成电池系统保护指令,以保护域控制模块对应的电池系统。S207. The domain control module generates a battery system protection instruction based on the battery system fault condition to protect the battery system corresponding to the domain control module.
域控制模块根据来自多个簇控制模块的原始数据和电池簇故障情况,来进行分析监测整个电池系统的电池系统故障情况。The domain control module analyzes and monitors the battery system failure of the entire battery system based on the raw data from multiple cluster control modules and the battery cluster failure status.
示例性的,域控制模块将整合后的所有电池箱中单体电池的温度值,使用预设的故障分析规则分析整体电池系统的故障情况;以及根据多个电池箱的电池簇故障情况,与预设的故障分析规则对比,分析是否存在电池系统无法为船舶中的其他部件供电、存在过高温的电池箱超过预设的数量阈值等故障情况,作为电池系统故障情况。For example, the domain control module integrates the temperature values of the single cells in all battery boxes and uses preset fault analysis rules to analyze the fault conditions of the overall battery system; and based on the battery cluster fault conditions of multiple battery boxes, and Compare the preset fault analysis rules to analyze whether there are fault conditions such as the battery system being unable to supply power to other components in the ship, or excessively high temperature battery boxes exceeding the preset quantity threshold, as battery system fault conditions.
本申请实施例对如何基于原始数据及多个电池簇故障情况监测电池系统的电池系统故障情况以及电池系统故障情况仅作举例,不作限定。The embodiments of this application are only examples of how to monitor battery system fault conditions and battery system fault conditions of a battery system based on original data and multiple battery cluster fault conditions, and are not limiting.
域控制模块利用运算分析得到的电池系统故障情况后,根据电池系统故障情况查询对应的电池系统保护指令,进而生成用于保护整个电池系统并且能够确保电池系统正常运作的保护指令,尽可能避免安全隐患的发生以及在 延长电池系统的使用寿命的同时维持电池系统的正常运作,降低对船舶中其他部件的影响。After the domain control module uses the battery system fault conditions obtained through calculation and analysis, it queries the corresponding battery system protection instructions according to the battery system fault conditions, and then generates protection instructions to protect the entire battery system and ensure the normal operation of the battery system to avoid safety as much as possible. The occurrence of hidden dangers and the maintenance of normal operation of the battery system while extending the service life of the battery system, reducing the impact on other components in the ship.
示例性的,电池系统保护指令至少包括停止使用一电池箱对一部件供电,切换至另一电池箱对该部件进行供电等等,本申请仅做举例,不作限定。For example, the battery system protection instructions at least include stopping using one battery box to power a component, switching to another battery box to power the component, etc. This application is only an example and not a limitation.
在本申请实施例中,电池系统故障情况是基于原始数据及多个电池簇第二故障情况生成的。域控制模块依据上述的电池系统故障情况查询得到对应的电池系统保护指令,并将电池系统保护指令发送回每个簇控制模块,簇控制模块将电池系统保护指令发送至电池簇中,以使单体电池能够执行电池系统保护指令,保护整个电池系统的运行。In this embodiment of the present application, the battery system fault condition is generated based on the original data and the second fault conditions of multiple battery clusters. The domain control module obtains the corresponding battery system protection instructions based on the above-mentioned battery system fault conditions, and sends the battery system protection instructions back to each cluster control module. The cluster control module sends the battery system protection instructions to the battery cluster so that the single The battery can execute battery system protection instructions and protect the operation of the entire battery system.
本申请使用以第二温度拟合值作为参考的电池簇第二故障情况,生成电池系统故障情况,再一步生成电池系统保护指令。域控制模块和簇控制模块分别以第一采集从板、第二采集从板采集的数据作为参考生成电池簇保护指令、电池系统保护指令,能够双重保护电池系统,防止因为电池温度异常检测系统中一个部件损坏导致无法及时发现温度异常故障情况。This application uses the second fault condition of the battery cluster with the second temperature fitting value as a reference to generate a battery system fault condition, and further generates a battery system protection instruction. The domain control module and the cluster control module respectively use the data collected from the first acquisition slave board and the second acquisition slave board as a reference to generate battery cluster protection instructions and battery system protection instructions, which can double protect the battery system and prevent the battery temperature abnormality detection system from Damage to a component prevents timely detection of abnormal temperature faults.
在本申请的一些实施例中,电池温度监测方法还包括:In some embodiments of the present application, the battery temperature monitoring method further includes:
S208、域控制模块基于电池系统故障情况生成船舶运行调整建议。S208. The domain control module generates ship operation adjustment suggestions based on battery system failure conditions.
S209、域控制模块将船舶运行调整建议发送至外接的船舶管理系统,以使船舶管理系统依据船舶运行调整建议,调整船舶的工作操作。S209. The domain control module sends the ship operation adjustment suggestion to the external ship management system, so that the ship management system adjusts the work operation of the ship based on the ship operation adjustment suggestion.
电池温度监测系统的域控制模块外接船舶管理系统,船舶管理系统是用于控制船舶每个部件运行的系统。域控制模块基于当前的电池系统故障情况进行分析,根据电池系统中为船舶中不同部件进行供电的单体电池的故障情况,生成船舶运行调整建议。并将船舶运行调整建议发送至船舶管理系统中,以使船舶管理系统能够根据船舶运行调整建议调整船舶中部件的运行,示例性的,调整船舶一部件的供电来源、将船舶一部件的工作状态调整为低功耗模式、开启过高温保护等等,以在保护电池系统的同时确保船舶能够正常运行。The domain control module of the battery temperature monitoring system is externally connected to the ship management system. The ship management system is a system used to control the operation of each component of the ship. The domain control module analyzes the current battery system failure situation and generates ship operation adjustment suggestions based on the failure situation of the single batteries in the battery system that power different components in the ship. And send the ship operation adjustment suggestions to the ship management system, so that the ship management system can adjust the operation of components in the ship according to the ship operation adjustment suggestions. For example, adjust the power supply source of a component of the ship, and change the working status of a component of the ship. Adjust to low power consumption mode, turn on over-temperature protection, etc. to protect the battery system while ensuring the ship can operate normally.
本申请实施例对船舶运行调整建议仅作举例,不作限定。The suggestions for ship operation adjustment in the embodiments of this application are only examples and are not limiting.
S210、域控制模块基于电池系统故障情况生成充电调整建议。S210, the domain control module generates charging adjustment suggestions based on battery system failure conditions.
S211、域控制模块将充电调整建议发送至外接的充电管理系统,以使充电管理系统依据充电调整建议,调整充电管理系统的充电操作。S211. The domain control module sends the charging adjustment suggestion to the external charging management system, so that the charging management system adjusts the charging operation of the charging management system according to the charging adjustment suggestion.
电池温度监测系统的域控制模块外接充电管理系统,充电管理系统用于控制电池系统的充电操作。域控制模块基于当前的电池系统故障情况进行分 析是否对当前的充电操作进行调整,生成充电调整建议。并将充电调整建议发送至充电管理系统中,以使充电管理系统能够根据充电调整建议调整当前的充电操作。示例性的,由于监测得到当前电池系统电压较低,则充电调整建议为:闭合电池系统中的充电开关,开始对电池系统进行充电操作,充电管理系统接收充电调整建议后,执行相关操作;域控制模块监测得到当前电池系统中过高温的单体电池数量超过预设的数量阈值,则充电调整建议为:停止对电池系统进行充电,以保护电池系统,延长电池系统的使用寿命。The domain control module of the battery temperature monitoring system is externally connected to the charging management system, and the charging management system is used to control the charging operation of the battery system. The domain control module analyzes whether to adjust the current charging operation based on the current battery system failure situation and generates charging adjustment recommendations. And the charging adjustment suggestion is sent to the charging management system, so that the charging management system can adjust the current charging operation according to the charging adjustment suggestion. For example, since the current battery system voltage is monitored to be low, the charging adjustment recommendation is: close the charging switch in the battery system, start charging the battery system, and the charging management system performs relevant operations after receiving the charging adjustment recommendation; domain The control module detects that the number of over-temperature single cells in the current battery system exceeds the preset quantity threshold, and the charging adjustment recommendation is: stop charging the battery system to protect the battery system and extend the service life of the battery system.
本申请实施例对充电调整建议仅作举例,不作限定。The charging adjustment suggestions in the embodiments of this application are only examples and are not limiting.
可以使用上面所示的多种形式的流程,重新排序、增加或删除步骤。例如,本申请中记载的多个步骤可以并行地执行也可以顺序地执行也可以不同的次序执行,只要能够实现本申请的技术方案所期望的结果,本文在此不进行限制。Steps can be reordered, added, or removed using various forms of the process shown above. For example, multiple steps described in this application can be executed in parallel, sequentially, or in different orders. As long as the desired results of the technical solution of this application can be achieved, there is no limitation here.

Claims (10)

  1. 一种电池温度监测系统,包括:A battery temperature monitoring system including:
    多个电池箱,每一电池箱包括第一采集从板、第二采集从板及多个单体电池;A plurality of battery boxes, each battery box including a first collection slave board, a second collection slave board and a plurality of single cells;
    所述第一采集从板的输入端与所述电池箱中的至少部分所述多个单体电池连接,设置为采集至少部分所述多个单体电池中每个单体电池的第一温度值;The input end of the first collecting slave board is connected to at least part of the plurality of single cells in the battery box, and is configured to collect at least part of the first temperature of each single cell in the plurality of single cells. value;
    所述第二采集从板的输入端与每个单体电池连接,设置为采集每个单体电池的电压值和至少部分所述多个单体电池中每个单体电池的第二温度值。The second acquisition slave board is connected to the input end of each single cell and is configured to collect the voltage value of each single cell and at least part of the second temperature value of each single cell in the plurality of single cells. .
  2. 根据权利要求1所述的系统,还包括:域控制模块和多个簇控制模块;The system of claim 1, further comprising: a domain control module and a plurality of cluster control modules;
    所述第一采集从板的输出端与所述簇控制模块的第一输入端连接,所述第二采集从板的输出端与所述簇控制模块的第二输入端连接;The output end of the first acquisition slave board is connected to the first input end of the cluster control module, and the output end of the second acquisition slave board is connected to the second input end of the cluster control module;
    所述簇控制模块的输出端与所述域控制模块的输入端连接,所述簇控制模块设置为接收所述第一采集从板采集的第一温度值,以及所述第二采集从板采集的第二温度值和电压值,并将接收的第一温度值、第二温度值和电压值作为原始数据,基于所述原始数据监测所述电池箱中的多个单体电池的故障情况,作为电池簇故障情况,将所述电池簇故障情况发送给所述域控制模块;The output end of the cluster control module is connected to the input end of the domain control module. The cluster control module is configured to receive the first temperature value collected by the first acquisition slave board, and the second acquisition slave board collects the first temperature value. the second temperature value and voltage value, and use the received first temperature value, second temperature value and voltage value as original data, and monitor the fault conditions of multiple single cells in the battery box based on the original data, As a battery cluster failure condition, sending the battery cluster failure condition to the domain control module;
    所述域控制模块设置为基于所述电池簇故障情况监测电池系统的电池系统故障情况,其中,电池系统包括多个电池箱。The domain control module is configured to monitor a battery system fault condition of a battery system based on the battery cluster fault condition, wherein the battery system includes a plurality of battery boxes.
  3. 根据权利要求1或2所述的系统,其中,所述电池箱内设置有多个第一温度传感器,所述第一温度传感器的数量少于所述单体电池的数量,且一个单体电池内至多设置一个第一温度传感器,设置有第一温度传感器的每两个单体电池不相邻,所述第一温度传感器与所述第一采集从板连接。The system according to claim 1 or 2, wherein a plurality of first temperature sensors are provided in the battery box, the number of the first temperature sensors is less than the number of the single cells, and one single cell At most one first temperature sensor is provided inside, and every two single cells provided with the first temperature sensor are not adjacent to each other. The first temperature sensor is connected to the first collection slave board.
  4. 根据权利要求1或2所述的系统,其中,所述电池箱内设置有多个第二温度传感器及多个电压传感器,所述第二温度传感器的数量少于所述单体电池的数量,且一个单体电池内至多设置一个第二温度传感器,设置有第二温度传感器的每两个单体电池不相邻,所述第二温度传感器与所述第二采集从板连接;所述多个电压传感器与所述多个单体电池一一对应设置,所述电压传感器与所述第二采集从板连接。The system according to claim 1 or 2, wherein a plurality of second temperature sensors and a plurality of voltage sensors are provided in the battery box, and the number of the second temperature sensors is less than the number of the single cells, And at most one second temperature sensor is provided in one single cell, and every two single cells provided with the second temperature sensor are not adjacent, and the second temperature sensor is connected to the second acquisition slave board; the multiple A voltage sensor is arranged in one-to-one correspondence with the plurality of single cells, and the voltage sensor is connected to the second acquisition slave board.
  5. 根据权利要求2所述的系统,其中,所述簇控制模块还设置为基于所述电池簇故障情况生成电池簇保护指令,以保护所述簇控制模块对应的所述电池箱中的多个单体电池;The system according to claim 2, wherein the cluster control module is further configured to generate a battery cluster protection instruction based on a fault condition of the battery cluster to protect multiple cells in the battery box corresponding to the cluster control module. body battery;
    所述域控制模块还设置为基于所述电池系统故障情况生成电池系统保护指令,以保护所述域控制模块对应的所述电池系统。The domain control module is further configured to generate a battery system protection instruction based on a fault condition of the battery system to protect the battery system corresponding to the domain control module.
  6. 一种电池温度监测方法,包括:A battery temperature monitoring method, including:
    第一采集从板采集预设数量的单体电池中每个单体电池的第一温度值,其中,所述预设数量为设置于电池箱内的温度传感器的数量;The first acquisition collects the first temperature value of each single cell in a preset number of single cells from the board, where the preset number is the number of temperature sensors disposed in the battery box;
    第二采集从板采集每个单体电池的电压值及所述预设数量的单体电池中每个单体电池的第二温度值。The second collection collects the voltage value of each single cell and the second temperature value of each single cell in the preset number of single cells from the board.
  7. 根据权利要求6所述的方法,在所述第二采集从板采集每个单体电池的电压值及所述预设数量的单体电池中每个单体电池的第二温度值之后,还包括:The method according to claim 6, after the second collecting slave board collects the voltage value of each single cell and the second temperature value of each single cell in the preset number of single cells, further include:
    簇控制模块接收所述第一采集从板采集的第一温度值,以及所述第二采集从板采集的第二温度值和电压值,并将接收的第一温度值、第二温度值和电压值作为原始数据输出;The cluster control module receives the first temperature value collected from the first collecting plate, and the second temperature value and voltage value collected from the second collecting plate, and converts the received first temperature value, second temperature value and The voltage value is output as raw data;
    所述簇控制模块基于所述原始数据监测所述电池箱中的多个单体电池的故障情况,并将所述多个单体电池的故障情况作为电池簇故障情况输出;The cluster control module monitors the fault conditions of multiple single cells in the battery box based on the original data, and outputs the fault conditions of the multiple single cells as battery cluster fault conditions;
    域控制模块基于多个电池簇故障情况监测电池系统的电池系统故障情况,其中,电池系统包括多个电池箱。The domain control module monitors battery system fault conditions of the battery system based on multiple battery cluster fault conditions, where the battery system includes multiple battery boxes.
  8. 根据权利要求7所述的方法,其中,所述簇控制模块基于所述原始数据监测所述电池箱中的多个单体电池的故障情况,包括:The method of claim 7, wherein the cluster control module monitors fault conditions of multiple single cells in the battery box based on the original data, including:
    将所述预设数量的第一温度值输入至热仿真系统中,拟合得到所述电池箱中所述单体电池对应的第一温度拟合值;Input the preset number of first temperature values into the thermal simulation system, and obtain the first temperature fitting value corresponding to the single battery in the battery box through fitting;
    将所述预设数量的第二温度值输入至热仿真系统中,拟合得到所述电池箱中所述单体电池对应的第二温度拟合值;Input the preset number of second temperature values into the thermal simulation system, and obtain the second temperature fitting value corresponding to the single battery in the battery box through fitting;
    根据多个第一温度拟合值和预设的电池簇故障策略,确定电池簇第一故障情况;Determine the first failure situation of the battery cluster based on multiple first temperature fitting values and a preset battery cluster failure strategy;
    根据多个第二温度拟合值、所述电压值和所述预设的电池簇故障策略,确定电池簇第二故障情况。A second fault condition of the battery cluster is determined according to the plurality of second temperature fitting values, the voltage value and the preset battery cluster fault strategy.
  9. 根据权利要求8所述的方法,还包括:The method of claim 8, further comprising:
    所述簇控制模块基于所述电池簇第一故障情况生成电池簇保护指令,以保护所述簇控制模块对应的所述电池箱;The cluster control module generates a battery cluster protection instruction based on the first fault condition of the battery cluster to protect the battery box corresponding to the cluster control module;
    所述域控制模块基于所述电池系统故障情况生成电池系统保护指令,以保护所述域控制模块对应的所述电池系统,其中,所述电池系统故障情况是基于来自多个簇控制模块的原始数据及电池簇第二故障情况生成的。The domain control module generates a battery system protection instruction based on the battery system fault condition to protect the battery system corresponding to the domain control module, wherein the battery system fault condition is based on original data from multiple cluster control modules. Data and battery cluster second failure conditions are generated.
  10. 根据权利要求7-9任一所述的方法,还包括以下至少之一:The method according to any one of claims 7-9, further comprising at least one of the following:
    所述域控制模块基于所述电池系统故障情况生成船舶运行调整建议;所述域控制模块将所述船舶运行调整建议发送至外接的船舶管理系统,以使所述船舶管理系统依据所述船舶运行调整建议,调整船舶的工作操作;The domain control module generates ship operation adjustment suggestions based on the battery system failure; the domain control module sends the ship operation adjustment suggestions to an external ship management system, so that the ship management system operates according to the ship operation Adjustment suggestions to adjust the ship’s work operations;
    或者,or,
    所述域控制模块基于所述电池系统故障情况生成充电调整建议;所述域控制模块将所述充电调整建议发送至外接的充电管理系统,以使所述充电管理系统依据所述充电调整建议,调整充电管理系统的充电操作。The domain control module generates charging adjustment suggestions based on the battery system failure condition; the domain control module sends the charging adjustment suggestions to an external charging management system, so that the charging management system can, according to the charging adjustment suggestions, Adjust the charging operation of the charging management system.
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