CN114358967A - Battery safety evaluation method, device, equipment and medium - Google Patents
Battery safety evaluation method, device, equipment and medium Download PDFInfo
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- CN114358967A CN114358967A CN202011032250.5A CN202011032250A CN114358967A CN 114358967 A CN114358967 A CN 114358967A CN 202011032250 A CN202011032250 A CN 202011032250A CN 114358967 A CN114358967 A CN 114358967A
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- 238000011156 evaluation Methods 0.000 title claims description 25
- 238000012423 maintenance Methods 0.000 claims abstract description 38
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- 238000004146 energy storage Methods 0.000 claims description 61
- 238000004891 communication Methods 0.000 claims description 44
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- 238000006243 chemical reaction Methods 0.000 claims description 25
- 238000012546 transfer Methods 0.000 claims description 16
- 238000002955 isolation Methods 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 9
- 230000036541 health Effects 0.000 claims description 6
- 238000004590 computer program Methods 0.000 claims description 5
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- 238000012545 processing Methods 0.000 abstract description 6
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Abstract
The invention provides a method, a device, equipment and a medium for evaluating the safety of a battery, wherein the method comprises the following steps: confirming a scene mode where the battery replacement battery is located according to the scene identifier; sending battery data and fault information to a remote server; receiving a battery safety pre-estimated value calculated by a remote server according to battery data, fault information and a preset battery safety pre-estimated model; and if the battery safety estimated value meets the preset condition, entering a maintenance mode corresponding to the scene mode. According to the scheme, different scene modes of the battery replacement battery are confirmed through the scene identifiers, the safety state of the battery replacement battery is estimated based on the battery safety estimated value calculated by the remote server, and if the battery replacement battery is estimated to be in a dangerous state, corresponding maintenance processing is carried out on the battery replacement battery according to the different scene modes, so that the estimation of the safety of the battery replacement battery in the multiple scene modes can be realized, and the safety of the battery replacement battery is improved.
Description
Technical Field
The invention relates to the technical field of battery replacement, in particular to a battery safety evaluation method, device, equipment and medium.
Background
The pure electric battery replacing vehicle can replace a power-lack battery with a full-charge battery through the battery replacing equipment, so that the energy of the whole vehicle can be rapidly and safely supplied. Compared with a charging electric vehicle, the battery replacing electric vehicle has obvious advantages in the aspects of energy supply time, charging safety, mileage life of a power battery and the like.
After the battery replacement and the vehicle are separated, a centralized charging mode is adopted for charging, and the specific operation is as follows: the battery is charged in a low-rate charging mode at room temperature, the charging capacity of the battery is improved, the attenuation of the battery capacity caused by charging is reduced, and the safety of the battery can be improved. According to big data analysis of thermal failure of the electric vehicle battery replacement, about 30% of electric vehicle ignition accidents occur in the charging process of a vehicle, and the battery replacement of the battery replacement electric vehicle is charged in a charging mode of being separated from the vehicle and concentrating small multiplying power, so that the problem of fire hazard during charging of the electric vehicle can be fundamentally solved, but the concentrated charging mode of the battery replacement also brings concentrated ignition risk of the battery replacement.
Disclosure of Invention
The embodiment of the invention provides a battery safety evaluation method, a battery safety evaluation device, battery safety evaluation equipment and a battery safety evaluation medium, which are used for solving the problem that the safety of a battery replacement battery in a plurality of scenes such as vehicle-mounted, battery replacement and storage cannot be judged in advance in the prior art.
In order to solve the above technical problem, an embodiment of the present invention provides the following technical solutions:
the embodiment of the invention provides a battery safety evaluation method, which comprises the following steps:
confirming a scene mode where the battery replacement battery is located according to the scene identifier;
sending battery data and fault information to a remote server;
receiving a battery safety pre-estimated value calculated by the remote server according to the battery data, the fault information and a preset battery safety pre-estimated model;
and if the battery safety estimated value meets the preset condition, entering a maintenance mode corresponding to the scene mode.
Optionally, the method further comprises:
and when the battery safety estimated value is smaller than a set threshold value, judging that the battery safety estimated value meets a preset condition.
Optionally, the determining, according to the scene identifier, the scene mode in which the battery replacement battery is located includes:
when the scene identifier sent by the vehicle control unit is received, determining that the battery replacement battery is in a vehicle-mounted scene mode;
when the scene identifier sent by the battery replacement platform is received, confirming that the battery replacement battery is in a battery replacement scene mode;
when the scene identifier sent by the battery replacement station control system is received, confirming that the battery replacement battery is in a battery replacement storage scene mode;
and when the scene identifier sent by the energy storage monitoring system is received, confirming that the battery replacement battery is in an energy storage scene mode.
Optionally, the sending the battery data and the fault information to the remote server includes:
according to a preset communication architecture, under the scene mode, sending the battery data and the fault information to the remote server;
wherein, the communication framework includes: the battery management system BMS of the battery replacement on the vehicle is connected with a remote communication BOX T-BOX through a CAN bus, and the remote communication BOX T-BOX is communicated with the remote server through communication signals; and the remote server is communicated with the power conversion station control system and the energy storage monitoring system through Ethernet, and the power conversion station control system and the energy storage monitoring system are respectively connected with a power conversion battery stored in the power conversion station and a battery management system BMS of the power conversion battery in the energy storage battery pack through a CAN bus.
Optionally, the sending the battery data and the fault information to the remote server in the scene mode according to a preset communication architecture includes:
under a vehicle-mounted scene mode and a battery replacement scene mode, sending the battery data and the fault information to the remote server through the remote communication BOX T-BOX;
under the battery swapping storage scene mode, sending the battery data and the fault information to the remote server through a battery swapping station control system;
and under the energy storage scene mode, sending the battery data and the fault information to the remote server through an energy storage monitoring system.
Optionally, if the estimated battery safety value meets a preset condition, entering a maintenance mode corresponding to the scene mode includes:
in the vehicle-mounted scene mode, if the battery safety estimated value meets the preset condition, a user is informed to stop and is far away from the vehicle;
under the battery replacement scene mode, if the battery safety estimated value meets the preset condition, informing the battery replacement station control system to transfer the battery replacement battery to a maintenance area; if the battery safety pre-estimated value does not meet the preset condition and the vehicle is a vehicle entering the network, informing the power swapping station control system to carry out power swapping operation;
under the battery replacement storage scene mode, if the battery safety estimated value meets the preset condition, the battery replacement station control system is informed to transfer the battery replacement battery to a fireproof isolation area;
and under the energy storage scene mode, if the battery safety estimated value meets the preset condition, the energy storage monitoring system is informed to transfer the battery replacement battery to a fireproof isolation area.
Optionally, the battery data includes at least one of:
the method comprises the following steps of battery coding, battery history data, battery charging and discharging data, battery networking information and battery state of health (SOH) information.
An embodiment of the present invention further provides a battery safety evaluation apparatus, including:
the determining module is used for determining a scene mode of the battery replacement battery according to the scene identifier;
the sending module is used for sending the battery data and the fault information to the remote server;
the receiving module is used for receiving a battery safety pre-estimated value calculated by the remote server according to the battery data, the fault information and a preset battery safety pre-estimated model;
and the maintenance module is used for entering a maintenance mode corresponding to the scene mode if the battery safety estimated value meets a preset condition.
Optionally, the apparatus further comprises:
and the judging module is used for judging that the battery safety estimated value meets a preset condition when the battery safety estimated value is smaller than a set threshold value.
Optionally, the determining module includes:
the first determining unit is used for determining that the battery replacement battery is in a vehicle-mounted scene mode when the scene identifier sent by the vehicle control unit is received;
a second determining unit, configured to determine that the battery swapping battery is in a battery swapping scene mode when the scene identifier sent by the battery swapping platform is received;
a third determining unit, configured to determine that the battery swapping battery is in a battery swapping storage scene mode when the scene identifier sent by the battery swapping station control system is received;
and the fourth determining unit is used for determining that the battery replacement battery is in an energy storage scene mode when the scene identifier sent by the energy storage monitoring system is received.
Optionally, the sending module includes:
the sending unit is used for sending the battery data and the fault information to the remote server in the scene mode according to a preset communication architecture;
wherein, the communication framework includes: the battery management system BMS of the battery replacement on the vehicle is connected with a remote communication BOX T-BOX through a CAN bus, and the remote communication BOX T-BOX is communicated with the remote server through communication signals; and the remote server is communicated with the power conversion station control system and the energy storage monitoring system through Ethernet, and the power conversion station control system and the energy storage monitoring system are respectively connected with a power conversion battery stored in the power conversion station and a battery management system BMS of the power conversion battery in the energy storage battery pack through a CAN bus.
Optionally, the sending unit is specifically configured to:
under a vehicle-mounted scene mode and a battery replacement scene mode, sending the battery data and the fault information to the remote server through the remote communication BOX T-BOX;
under a battery swapping storage scene mode, sending the battery data and the fault information to the remote server through a battery swapping station control system;
and under the energy storage scene mode, sending the battery data and the fault information to the remote server through an energy storage monitoring system.
Optionally, the maintenance module comprises:
the first maintenance unit is used for informing a user to stop and keep away from a vehicle if the battery safety estimated value meets the preset condition in the vehicle-mounted scene mode;
the second maintenance unit is used for notifying the power station control system to transfer the battery replacement battery to a maintenance area if the battery safety estimated value meets the preset condition in the battery replacement scene mode; if the battery safety pre-estimated value does not meet the preset condition and the vehicle is a vehicle entering the network, informing the power swapping station control system to carry out power swapping operation;
the third maintenance unit is used for informing the battery replacement station control system to transfer the battery replacement battery to a fireproof isolation area if the battery safety estimated value meets the preset condition in the battery replacement storage scene mode;
and the fourth maintenance unit is used for informing the energy storage monitoring system to transfer the battery replacement battery to a fireproof isolation area if the battery safety estimated value meets the preset condition in the energy storage scene mode.
Optionally, the sending module is specifically configured to send at least one of the following data:
the method comprises the following steps of battery coding, battery history data, battery charging and discharging data, battery networking information and battery state of health (SOH) information.
An embodiment of the present invention further provides a battery safety evaluation device, including: a processor, a memory, and a program stored on the memory and executable on the processor, the program, when executed by the processor, implementing the battery safety assessment method as defined in any one of the above.
An embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the method for evaluating battery safety as described in any of the above is implemented.
The invention has the beneficial effects that:
the embodiment of the invention provides a battery safety evaluation method, which comprises the following steps: confirming a scene mode where the battery replacement battery is located according to the scene identifier; sending battery data and fault information to a remote server; receiving a battery safety pre-estimated value calculated by the remote server according to the battery data, the fault information and a preset battery safety pre-estimated model; and if the battery safety estimated value meets the preset condition, entering a maintenance mode corresponding to the scene mode. According to the scheme, different scene modes of the battery replacement battery are confirmed through the scene identifiers, the safety state of the battery replacement battery is estimated based on the battery safety estimated value calculated by the remote server, and if the battery replacement battery is estimated to be in a dangerous state, corresponding maintenance processing is carried out on the battery replacement battery according to the different scene modes, so that the estimation of the safety of the battery replacement battery in the scene modes can be realized, and the safety of the battery replacement battery is improved.
Drawings
FIG. 1 is a flow chart of a method for evaluating battery safety according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a battery safety evaluation apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The invention provides a battery safety evaluation method, a device, equipment and a medium, aiming at the problem that the safety of a battery replacement battery in a plurality of scenes such as vehicle-mounted scenes, battery replacement scenes, storage scenes and the like cannot be judged in advance in the prior art.
As shown in fig. 1, an embodiment of the present invention provides a method for evaluating battery safety, including:
s101: confirming a scene mode where the battery replacement battery is located according to the scene identifier;
s102: sending battery data and fault information to a remote server;
s103: receiving a battery safety pre-estimated value calculated by the remote server according to the battery data, the fault information and a preset battery safety pre-estimated model;
s104: and if the battery safety estimated value meets the preset condition, entering a maintenance mode corresponding to the scene mode.
Optionally, the method further comprises:
and when the battery safety estimated value is smaller than a set threshold value, judging that the battery safety estimated value meets a preset condition.
Optionally, the battery data includes at least one of:
the method comprises the following steps of battery coding, battery history data, battery charging and discharging data, battery networking information and battery state of health (SOH) information.
In this embodiment, the Battery Management System (BMS) of the Battery swap confirms the different scene modes of the Battery swap according to the scene identifiers, under a corresponding scene mode, sending battery data and fault information to a remote server, receiving a battery safety estimated value calculated by the remote server based on the battery data and the fault information and a preset battery safety estimated model, when the battery safety estimated value is smaller than a set threshold value, then it is determined that the battery replacement has a greater potential safety hazard and is in a dangerous state, and at this time, different measures need to be taken for the battery replacement according to different scene modes to perform corresponding maintenance processing, the safety of the battery replacement can be estimated in multiple scenes, and the safety of the battery replacement is improved.
The battery history data comprises all data of the battery replacement in the using process, including data such as historical charging and discharging data and historical fault information of the battery.
When the remote server calculates the battery safety pre-estimated value, the battery historical charging and discharging data in the battery historical data needs to be led into a preset battery capacity window method pre-estimated model stored in the remote server to calculate the battery pre-estimated capacity of a battery replacement battery, and then the battery pre-estimated capacity, the battery fault information and the battery State of Health (SOH) information are input into the preset battery safety pre-estimated model stored in the remote server to calculate the battery safety pre-estimated value. Because the battery history data of the battery replacement is huge, if the battery management system BMS performs online operation, the problems that the Central Processing Unit (CPU) of the battery management system BMS is insufficient in computing capacity and the storage space for storing the battery history data is insufficient exist, therefore, the battery safety pre-estimated value is calculated in an off-line mode of a remote server, the computing efficiency is improved, and the normal operation of the battery management system BMS can be ensured.
Optionally, the determining, according to the scene identifier, the scene mode in which the battery replacement battery is located includes:
when the scene identifier sent by the vehicle control unit is received, determining that the battery replacement battery is in a vehicle-mounted scene mode;
when the scene identifier sent by the battery replacement platform is received, confirming that the battery replacement battery is in a battery replacement scene mode;
when the scene identifier sent by the battery replacement station control system is received, confirming that the battery replacement battery is in a battery replacement storage scene mode;
and when the scene identifier sent by the energy storage monitoring system is received, confirming that the battery replacement battery is in an energy storage scene mode.
It should be noted that the working modes of the battery replacement device include four types, which are respectively: the battery replacement system BMS is communicated with the whole vehicle control, the working mode is a vehicle-mounted scene mode, and in the vehicle-mounted scene mode, the battery replacement battery has three working scenes including a discharging working scene, a charging working scene and a standing scene; the method comprises the following steps that a battery management system BMS of a battery replacement battery enters a battery replacement platform of a battery replacement station, the battery replacement platform of the battery replacement station and a battery replacement control system communicate in the process of replacing the battery on the battery replacement platform, the working mode is a battery replacement scene mode, and the battery replacement battery has three working scenes including an identity recognition scene, a safety estimation scene and a battery replacement management scene under the battery replacement scene mode, wherein the identity recognition scene is that whether the battery replacement vehicle is a vehicle entering a network or not is judged by the battery replacement station control system in the battery replacement station, because if the battery replacement vehicle and a battery replacement company sign an agreement, the battery replacement vehicle enters the network, the operation company can provide a battery replacement service, the safety estimation scene is that the battery replacement vehicle enters the battery replacement system, and before the vehicle starts to replace the battery, the battery replacement station control system obtains a battery safety pre-estimated value through a remote server, the battery replacement management scene is a process that the battery replacement battery meets the battery replacement condition and the vehicle battery replacement is carried out through the battery replacement platform; the method comprises the following steps that a battery replacement battery is stored on a battery storage frame, a battery management system BMS of the battery replacement battery is communicated with a battery replacement control system, the control of centralized charging of the battery replacement battery and the monitoring of the battery state of the battery replacement battery when the battery replacement battery stands are realized, the working mode is a battery replacement station storage scene mode, and under the battery replacement station storage scene mode, the battery replacement battery has two working scenes which comprise a centralized charging scene and a battery monitoring scene, wherein the centralized charging scene is the centralized charging process of the battery replacement battery, and the battery monitoring scene is the monitoring process of the battery state of the battery replacement battery when the battery replacement battery stands; the battery management system BMS communicates with the energy storage monitoring system, and the energy storage monitoring system controls the charging and discharging of the battery, and the working mode is an energy storage scene mode.
The battery management system BMS of the battery replacement identifies a scene mode of the battery replacement according to receiving preset scene identifiers sent by different systems and reading information of the scene identifiers, and when the battery management system BMS of the battery replacement is electrified and receives the scene identifiers sent by a vehicle controller, the battery replacement is judged to be in the vehicle-mounted scene mode; after a battery management system BMS of the battery replacement is powered on, the vehicle communicates with the battery replacement station and receives a scene identifier sent by a battery replacement platform of the battery replacement station in a wireless mode, and the battery replacement battery is judged to enter a battery replacement scene mode; when a battery management system BMS of the battery replacement is powered on and a scene identifier sent by a battery replacement station control system is received, judging that the battery replacement is in a battery replacement storage scene mode; and after a battery management system BMS of the battery replacement is powered on, when the scene identifier sent by the energy storage monitoring system is received, the battery replacement is judged to be in an energy storage scene mode.
Optionally, the sending the battery data and the fault information to the remote server includes:
according to a preset communication architecture, under the scene mode, sending the battery data and the fault information to the remote server;
wherein, the communication framework includes: the battery management system BMS of the battery replacement on the vehicle is connected with a remote communication BOX T-BOX through a CAN bus, and the remote communication BOX T-BOX is communicated with the remote server through communication signals; and the remote server is communicated with the power conversion station control system and the energy storage monitoring system through Ethernet, and the power conversion station control system and the energy storage monitoring system are respectively connected with a power conversion battery stored in the power conversion station and a battery management system BMS of the power conversion battery in the energy storage battery pack through a CAN bus.
Optionally, the sending the battery data and the fault information to the remote server in the scene mode according to a preset communication architecture includes:
under a vehicle-mounted scene mode and a battery replacement scene mode, sending the battery data and the fault information to the remote server through the remote communication BOX T-BOX;
under the battery swapping storage scene mode, sending the battery data and the fault information to the remote server through a battery swapping station control system;
and under the energy storage scene mode, sending the battery data and the fault information to the remote server through an energy storage monitoring system.
It should be noted that, the calculation of the remote server for the battery safety pre-estimated value is obtained based on battery data and fault information in the use process of the battery replacement, and the implementation method is that the battery management system BMS of the battery replacement sends the battery data and the fault information to the remote server in real time under different scene modes of the battery replacement, the remote server stores all data in the use process of the battery replacement, and sets a communication architecture for completely acquiring the battery data, and the communication architecture includes: the battery management system BMS of the battery replacement on the vehicle is connected with a remote communication Box (T-BOX) through a CAN bus, the T-BOX is in signal communication with the remote server through communication signals in 4G or 5G, the battery replacement is positioned on the vehicle in a vehicle-mounted scene mode and a battery replacement scene mode, the battery management system BMS of the battery replacement sends a battery code, battery data and fault information to the remote server through the T-BOX, and the remote server stores the battery code, the battery data and the fault information; the remote server is communicated with the battery changing station control system and the energy storage monitoring system through Ethernet, the battery changing station control system and the energy storage monitoring system are respectively connected with a battery changing battery stored in the battery changing station and a battery management system BMS of the battery changing in the energy storage battery pack through CAN buses, the battery changing battery is positioned on a storage frame of the battery changing station in a battery changing storage scene, the battery management system BMS of the battery changing battery sends a battery code, battery data and fault information to the battery changing station control system, the battery changing station control system sends the battery code, the battery data and the fault information to the remote server in an Ethernet communication mode, the remote server stores the battery code, the battery data and the fault information, the battery management system BMS of the battery changing in the energy storage battery pack sends the battery code, the battery data and the fault information to the energy storage monitoring system in the energy storage scene mode, the energy storage monitoring system sends the battery codes, the battery data and the fault information to the remote server in an Ethernet communication mode, and the remote server stores the battery codes, the battery data and the fault information. Through the communication architecture, data communication of the battery replacement battery in a vehicle-mounted scene mode, a battery replacement storage scene mode and an energy storage scene mode can be realized.
After the remote server calculates the battery safety pre-estimated value according to the battery data and the fault information in an off-line calculation mode, the remote server can also send the battery safety pre-estimated value to the battery management systems BMS for replacing the battery in different scene modes through the communication framework, so that the data interaction between the battery management systems BMS for replacing the battery and the remote server in different scene modes can be realized.
Optionally, if the estimated battery safety value meets a preset condition, entering a maintenance mode corresponding to the scene mode includes:
in the vehicle-mounted scene mode, if the battery safety estimated value meets the preset condition, a user is informed to stop and is far away from the vehicle;
under the battery replacement scene mode, if the battery safety estimated value meets the preset condition, informing the battery replacement station control system to transfer the battery replacement battery to a maintenance area; if the battery safety pre-estimated value does not meet the preset condition and the vehicle is a vehicle entering the network, informing the power swapping station control system to carry out power swapping operation;
under the battery replacement storage scene mode, if the battery safety estimated value meets the preset condition, the battery replacement station control system is informed to transfer the battery replacement battery to a fireproof isolation area;
and under the energy storage scene mode, if the battery safety estimated value meets the preset condition, the energy storage monitoring system is informed to transfer the battery replacement battery to a fireproof isolation area.
It should be noted that after the battery safety estimated value is received, if it is determined that the battery safety estimated value meets a preset condition, that is, the battery replacement is evaluated to be in a dangerous state, the battery replacement enters a maintenance mode corresponding to different scene modes.
Under a vehicle-mounted scene mode, a battery management system BMS of the battery replacement monitors the safety state of the battery replacement in real time, collects battery data and fault information, sends the battery data and the fault information to a remote server through a remote communication BOX T-BOX, the remote server calculates a battery safety pre-estimated value according to stored battery historical data and sends the battery safety pre-estimated value to the battery management system BMS of the battery replacement, the battery management system BMS of the battery replacement receives the battery safety pre-estimated value sent by the remote server, and when the battery replacement is judged to be in a dangerous state through the battery safety pre-estimated value, a user is reminded to stop through a vehicle and is far away from the vehicle.
In the battery replacement scene mode, the battery replacement station control system acquires stored vehicle battery access information and current battery replacement real-time battery data which are sent by a remote server, and a battery safety estimated value calculated according to the battery data and sent to a battery management system BMS for replacing the battery, if the vehicle is determined to be the network access vehicle and the battery management system BMS judges that the battery replacement battery is not in a dangerous state according to the battery safety estimated value, the battery replacement station control system is informed to allow the battery replacement of the battery replacement vehicle, if the battery replacement is judged to be in a dangerous state, such as an over-temperature fault, and informing the battery replacement station control system that the battery replacement operation is not allowed, entering a dangerous battery processing mode, detaching the battery replacement battery from the battery replacement vehicle, placing the battery replacement battery in a fireproof isolation maintenance area, and carrying out maintenance and safety maintenance on the battery replacement battery.
Under the scene mode of battery replacement storage, a battery management system BMS of a battery replacement battery reports battery data and fault information to a remote server in real time through a battery replacement station control system, the remote server sends a battery safety pre-evaluation value calculated according to the battery data to the battery management system BMS of the battery replacement battery, the battery management system BMS of the battery replacement battery receives the battery safety pre-evaluation value sent by the remote server, and when the battery safety pre-evaluation value is judged to be in a dangerous state, the battery replacement station control system is informed to transfer the battery replacement battery to a fireproof isolation area for maintenance.
Under the energy storage scene mode, the battery management system BMS of the battery replacement reports battery data and fault information to the remote server in real time through the energy storage monitoring system, the remote server sends the battery safety pre-estimated value calculated according to the battery data to the battery management system BMS of the battery replacement, the battery management system BMS of the battery replacement receives the battery safety pre-estimated value sent by the remote server, and when the battery replacement is judged to be in a dangerous state through the battery safety pre-estimated value, the energy storage monitoring system is informed to maintain the battery replacement.
In the scheme of the embodiment, different scene modes of the battery replacement battery are confirmed through the scene identifiers, the safety state of the battery replacement battery is estimated based on the battery safety pre-estimated value calculated by the remote server, and if the battery replacement battery is estimated to be in a dangerous state, corresponding maintenance processing is performed on the battery replacement battery according to the different scene modes, so that the estimation of the safety of the battery replacement battery in the multiple scene modes can be realized, and the safety of the battery replacement battery is improved.
As shown in fig. 2, an embodiment of the present invention further provides a battery safety evaluation apparatus, including:
a determining module 201, configured to determine a scene mode in which a battery replacement battery is located according to a scene identifier;
a sending module 202, configured to send battery data and fault information to a remote server;
a receiving module 203, configured to receive a battery safety pre-estimated value calculated by the remote server according to the battery data, the fault information, and a preset battery safety pre-estimation model;
and the maintenance module 204 is configured to enter a maintenance mode corresponding to the scene mode if the battery safety estimated value meets a preset condition.
Optionally, the apparatus further comprises:
and the judging module is used for judging that the battery safety estimated value meets a preset condition when the battery safety estimated value is smaller than a set threshold value.
Optionally, the determining module 201 includes:
the first determining unit is used for determining that the battery replacement battery is in a vehicle-mounted scene mode when the scene identifier sent by the vehicle control unit is received;
a second determining unit, configured to determine that the battery swapping battery is in a battery swapping scene mode when the scene identifier sent by the battery swapping platform is received;
a third determining unit, configured to determine that the battery swapping battery is in a battery swapping storage scene mode when the scene identifier sent by the battery swapping station control system is received;
and the fourth determining unit is used for determining that the battery replacement battery is in an energy storage scene mode when the scene identifier sent by the energy storage monitoring system is received.
Optionally, the sending module 202 includes:
the sending unit is used for sending the battery data and the fault information to the remote server in the scene mode according to a preset communication architecture;
wherein, the communication framework includes: the battery management system BMS of the battery replacement on the vehicle is connected with a remote communication BOX T-BOX through a CAN bus, and the remote communication BOX T-BOX is communicated with the remote server through communication signals; and the remote server is communicated with the power conversion station control system and the energy storage monitoring system through Ethernet, and the power conversion station control system and the energy storage monitoring system are respectively connected with a power conversion battery stored in the power conversion station and a battery management system BMS of the power conversion battery in the energy storage battery pack through a CAN bus.
Optionally, the sending unit is specifically configured to:
under a vehicle-mounted scene mode and a battery replacement scene mode, sending the battery data and the fault information to the remote server through the remote communication BOX T-BOX;
under a battery swapping storage scene mode, sending the battery data and the fault information to the remote server through a battery swapping station control system;
and under the energy storage scene mode, sending the battery data and the fault information to the remote server through an energy storage monitoring system.
Optionally, the maintenance module 204 includes:
the first maintenance unit is used for informing a user to stop and keep away from a vehicle if the battery safety estimated value meets the preset condition in the vehicle-mounted scene mode;
the second maintenance unit is used for notifying the power station control system to transfer the battery replacement battery to a maintenance area if the battery safety estimated value meets the preset condition in the battery replacement scene mode; if the battery safety pre-estimated value does not meet the preset condition and the vehicle is a vehicle entering the network, informing the power swapping station control system to carry out power swapping operation;
the third maintenance unit is used for informing the battery replacement station control system to transfer the battery replacement battery to a fireproof isolation area if the battery safety estimated value meets the preset condition in the battery replacement storage scene mode;
and the fourth maintenance unit is used for informing the energy storage monitoring system to transfer the battery replacement battery to a fireproof isolation area if the battery safety estimated value meets the preset condition in the energy storage scene mode.
Optionally, the sending module 202 is specifically configured to send at least one of the following data:
the method comprises the following steps of battery coding, battery history data, battery charging and discharging data, battery networking information and battery state of health (SOH) information.
An embodiment of the present invention further provides a battery safety evaluation device, including: a processor, a memory, and a program stored on the memory and executable on the processor, the program, when executed by the processor, implementing the battery safety assessment method as defined in any one of the above.
An embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the method for evaluating battery safety as described in any of the above is implemented.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims.
Claims (10)
1. A battery safety evaluation method, comprising:
confirming a scene mode where the battery replacement battery is located according to the scene identifier;
sending battery data and fault information to a remote server;
receiving a battery safety pre-estimated value calculated by the remote server according to the battery data, the fault information and a preset battery safety pre-estimated model;
and if the battery safety estimated value meets the preset condition, entering a maintenance mode corresponding to the scene mode.
2. The battery safety evaluation method according to claim 1, further comprising:
and when the battery safety estimated value is smaller than a set threshold value, judging that the battery safety estimated value meets a preset condition.
3. The method for evaluating battery safety according to claim 1, wherein the determining a scene mode in which a battery replacement battery is located according to a scene identifier comprises:
when the scene identifier sent by the vehicle control unit is received, determining that the battery replacement battery is in a vehicle-mounted scene mode;
when the scene identifier sent by the battery replacement platform is received, confirming that the battery replacement battery is in a battery replacement scene mode;
when the scene identifier sent by the battery replacement station control system is received, confirming that the battery replacement battery is in a battery replacement storage scene mode;
and when the scene identifier sent by the energy storage monitoring system is received, confirming that the battery replacement battery is in an energy storage scene mode.
4. The battery safety evaluation method according to claim 1, wherein the sending of the battery data and the fault information to the remote server comprises:
according to a preset communication architecture, under the scene mode, sending the battery data and the fault information to the remote server;
wherein, the communication framework includes: the battery management system BMS of the battery replacement on the vehicle is connected with a remote communication BOX T-BOX through a CAN bus, and the remote communication BOX T-BOX is communicated with the remote server through communication signals; and the remote server is communicated with the power conversion station control system and the energy storage monitoring system through Ethernet, and the power conversion station control system and the energy storage monitoring system are respectively connected with a power conversion battery stored in the power conversion station and a battery management system BMS of the power conversion battery in the energy storage battery pack through a CAN bus.
5. The method for evaluating battery safety according to claim 4, wherein the sending the battery data and the fault information to the remote server in the scene mode according to a preset communication architecture comprises:
under a vehicle-mounted scene mode and a battery replacement scene mode, sending the battery data and the fault information to the remote server through the remote communication BOX T-BOX;
under a battery swapping storage scene mode, sending the battery data and the fault information to the remote server through a battery swapping station control system;
and under the energy storage scene mode, sending the battery data and the fault information to the remote server through an energy storage monitoring system.
6. The method according to claim 3, wherein entering a maintenance mode corresponding to the scene mode if the estimated battery safety value satisfies a predetermined condition comprises:
in the vehicle-mounted scene mode, if the battery safety estimated value meets the preset condition, a user is informed to stop and is far away from the vehicle;
under the battery replacement scene mode, if the battery safety estimated value meets the preset condition, informing the battery replacement station control system to transfer the battery replacement battery to a maintenance area; if the battery safety pre-estimated value does not meet the preset condition and the vehicle is a vehicle entering the network, informing the power swapping station control system to carry out power swapping operation;
under the battery replacement storage scene mode, if the battery safety estimated value meets the preset condition, the battery replacement station control system is informed to transfer the battery replacement battery to a fireproof isolation area;
and under the energy storage scene mode, if the battery safety estimated value meets the preset condition, the energy storage monitoring system is informed to transfer the battery replacement battery to a fireproof isolation area.
7. The battery safety evaluation method according to claim 1, wherein the battery data includes at least one of:
the method comprises the following steps of battery coding, battery history data, battery charging and discharging data, battery networking information and battery state of health (SOH) information.
8. A battery safety evaluation apparatus, characterized by comprising:
the determining module is used for determining a scene mode of the battery replacement battery according to the scene identifier;
the sending module is used for sending the battery data and the fault information to the remote server;
the receiving module is used for receiving a battery safety pre-estimated value calculated by the remote server according to the battery data, the fault information and a preset battery safety pre-estimated model;
and the maintenance module is used for entering a maintenance mode corresponding to the scene mode if the battery safety estimated value meets a preset condition.
9. A battery safety evaluation apparatus, characterized by comprising: a processor, a memory and a program stored on the memory and executable on the processor, the program, when executed by the processor, implementing the battery safety assessment method according to any one of claims 1 to 7.
10. A computer-readable storage medium, characterized in that a computer program is stored thereon, which, when being executed by a processor, implements the battery safety evaluation method according to any one of claims 1 to 7.
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