CN115972967A - Charging circuit fault detection method and device, storage medium and electronic equipment - Google Patents

Charging circuit fault detection method and device, storage medium and electronic equipment Download PDF

Info

Publication number
CN115972967A
CN115972967A CN202211522124.7A CN202211522124A CN115972967A CN 115972967 A CN115972967 A CN 115972967A CN 202211522124 A CN202211522124 A CN 202211522124A CN 115972967 A CN115972967 A CN 115972967A
Authority
CN
China
Prior art keywords
fault
charging
criterion set
charging data
target vehicle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211522124.7A
Other languages
Chinese (zh)
Inventor
金渊
刘秀兰
韦凌霄
王立永
赵宇彤
周文斌
陈熙
张倩
杨芮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Beijing Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Beijing Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Beijing Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN202211522124.7A priority Critical patent/CN115972967A/en
Publication of CN115972967A publication Critical patent/CN115972967A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

Landscapes

  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses a charging circuit fault detection method and device, a storage medium and electronic equipment. Wherein, the method comprises the following steps: acquiring charging data uploaded by a target vehicle; processing the charging data to obtain a first fault criterion set; receiving a processing result of the historical charging data of the target vehicle to obtain a second fault criterion set; and completing the fault detection of the charging circuit based on the first fault criterion set and the second fault criterion set, and generating a protection instruction. The invention solves the technical problem that the charging circuit fault detection method in the prior art lacks an active protection function.

Description

Charging circuit fault detection method and device, storage medium and electronic equipment
Technical Field
The invention relates to the technical field of charging safety protection and detection of electric vehicles, in particular to a charging circuit fault detection method and device, a storage medium and electronic equipment.
Background
As shown in the schematic diagram of the charging system operation structure shown in fig. 1, in the original charging system, the adjustment and termination response of the charging machine controller to the measurement policy at the charging stage completely depends on the message instruction sent by the BMS, and compared to the BMS, the charging machine is passive in the charging system, and only depends on the termination charging message and the demand message sent by the BMS to implement the adjustment of the charging policy or the shutdown operation, however, once a failure fault of the battery management system occurs during the charging process, the charging device cannot update the charging data and the BMS cannot send a charging termination instruction, and due to lack of active protection of the charging machine to the charging process, a serious charging accident will be caused.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
The embodiment of the invention provides a charging circuit fault detection method and device, a storage medium and electronic equipment, and at least solves the technical problem that an active protection function is lacked in the charging circuit fault detection method in the prior art.
According to an aspect of an embodiment of the present invention, there is provided a charging circuit fault detection method, including: acquiring charging data uploaded by a target vehicle; processing the charging data to obtain a first fault criterion set; receiving a processing result of the historical charging data of the target vehicle to obtain a second fault criterion set; and completing the fault detection of the charging circuit based on the first fault criterion set and the second fault criterion set, and generating a protection instruction.
Optionally, the processing the charging data to obtain a first fault criterion set includes: arranging a local protection device inside the charging pile; the local protection device is connected to the target vehicle through a CAN communication interface; and driving the local protection device to process the charging data to obtain a first fault criterion set.
Optionally, driving the local protection device to process the charging data to obtain a first set of fault criteria, including: determining fault parameters based on the charging data, wherein the fault parameters comprise: storage battery fault parameters and charger fault parameters; and taking the storage battery fault parameters and the charger fault parameters as the first fault criterion set.
Optionally, the receiving a processing result of the historical charging data of the target vehicle to obtain a second fault criterion set includes: processing historical charging data of the target vehicle by adopting a cloud platform, and determining a fault parameter threshold value based on the historical charging data, wherein the fault parameter comprises: a storage battery fault parameter threshold value and a charger fault parameter threshold value; and taking the storage battery fault parameter threshold value and the charger fault parameter threshold value as the second fault criterion set, and sending the second fault criterion set to the charging pile.
Optionally, the completing the fault detection of the charging circuit based on the first fault criterion set and the second fault criterion set and generating the protection instruction include: judging whether the first fault criterion set is larger than the second fault criterion set; and if the first fault criterion set is larger than the second fault criterion set, controlling the local protection device to generate and operate the protection instruction.
According to another aspect of the embodiments of the present invention, there is also provided a charging pile, including: the sampling device is used for acquiring the charging data uploaded by the target vehicle; the local protection device is connected with the sampling equipment and used for processing the charging data to obtain a first fault criterion set; and the control equipment is connected with the local protection device and used for receiving the processing result of the historical charging data of the target vehicle, obtaining a second fault criterion set, completing the fault detection of the charging circuit based on the first fault criterion set and the second fault criterion set and generating a protection instruction.
According to another aspect of the embodiments of the present invention, there is also provided a charging system including: the charging pile is used for acquiring charging data uploaded by a target vehicle and processing the charging data to obtain a first fault criterion set; the cloud platform is used for processing historical charging data of the target vehicle to obtain a second fault criterion set and sending the second fault criterion set to the charging pile; and the charging pile is also used for completing the fault detection of the charging circuit based on the first fault criterion set and the second fault criterion set and generating a protection instruction.
According to another aspect of the embodiments of the present invention, there is also provided a charging circuit fault detection apparatus, including: the acquisition module is used for acquiring the charging data uploaded by the target vehicle; the first processing module is used for processing the charging data to obtain a first fault criterion set; the second processing module is used for receiving the processing result of the historical charging data of the target vehicle to obtain a second fault criterion set; and the generating module is used for finishing the fault detection of the charging circuit based on the first fault criterion set and the second fault criterion set and generating a protection instruction.
According to another aspect of the embodiments of the present invention, there is also provided a non-volatile storage medium storing a plurality of instructions, the instructions being adapted to be loaded by a processor and to perform any one of the above charging circuit fault detection methods.
According to another aspect of the embodiments of the present invention, there is also provided an electronic device, including a memory and a processor, wherein the memory stores a computer program, and the processor is configured to execute the computer program to perform any one of the above charging circuit fault detection methods.
In the embodiment of the invention, charging data uploaded by a target vehicle is acquired; processing the charging data to obtain a first fault criterion set; receiving a processing result of the historical charging data of the target vehicle to obtain a second fault criterion set; the charging circuit fault detection is completed based on the first fault criterion set and the second fault criterion set, and the protection instruction is generated, so that the purpose of identifying abnormal changes of parameters in a charger and a message caused by different faults is achieved, the technical effect of timely responding to parameter abnormity and processing by adopting a local protection device is achieved, and the technical problem that the charging circuit fault detection method in the prior art lacks an active protection function is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic diagram of a charging system operating configuration according to the prior art;
FIG. 2 is a flow chart of a charging circuit fault detection method according to an embodiment of the invention;
FIG. 3 is a schematic diagram illustrating abnormal changes in various parameters during an optional fault according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an alternative local protection of a charging device in accordance with an embodiment of the present invention;
FIG. 5 is a schematic diagram of an alternative cloud-edge collaborative workflow according to an embodiment of the present invention;
fig. 6 is a schematic diagram of an alternative BMS failure protection strategy according to an embodiment of the present invention;
FIG. 7 is a diagram illustrating an alternative local guard hardware configuration, according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a charging circuit fault detection apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
In accordance with an embodiment of the present invention, there is provided an embodiment of a charging circuit fault detection method, it is noted that the steps illustrated in the flowchart of the drawings may be performed in a computer system such as a set of computer executable instructions, and that while a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different than here.
Fig. 2 is a flowchart of a charging circuit fault detection method according to an embodiment of the present invention, and as shown in fig. 2, the method includes the following steps:
step S102, acquiring charging data uploaded by a target vehicle;
step S104, processing the charging data to obtain a first fault criterion set;
step S106, receiving historical charging data of the target vehicle to obtain a second fault criterion set;
and step S108, completing the fault detection of the charging circuit based on the first fault criterion set and the second fault criterion set, and generating a protection instruction.
In the embodiment of the invention, the charging circuit fault detection method is applied to a charging circuit fault detection system, and charging data uploaded by a charging system of a target vehicle is acquired through the system; processing the charging data by using a local protection device to obtain a first fault criterion set; processing historical charging data of the target vehicle by adopting a cloud platform to obtain a second fault criterion set; and completing the fault detection of the charging circuit based on the first fault criterion set and the second fault criterion set, and generating a protection instruction.
It should be noted that, the first fault criterion set is the criterion required for identifying the fault of the local protection object of the power storage battery system fault and the criterion required for identifying the fault of the local protection object of the charger system fault, the protection object of the local protection device can be divided into two major parts, namely the power storage battery system fault and the charger system fault, according to the main body, and under the condition that the locally acquired data volume is very limited, the protection object of the local protection device and the criterion required for identifying the fault are sorted out as shown in tables 1 and 2:
TABLE 1 local protection object for power accumulator system fault and its criterion
Figure BDA0003974215680000041
Figure BDA0003974215680000051
TABLE 2 local protection object for charger system fault and its criterion
Figure BDA0003974215680000052
It should be noted that the second fault criterion set is a criterion threshold value required for fault identification of the local protection object of the power storage battery system fault and a criterion threshold value required for fault identification of the local protection object of the charger system fault, which are sent by the cloud platform.
As an optional embodiment, as shown in a schematic diagram of abnormal change of various parameters when a fault occurs in fig. 3, the fault conditions that may occur in the charging process are analyzed, so that the fault conditions can be divided into three conditions, namely BMS fault, power storage battery fault and charging equipment fault, and when the fault occurs, the fault identification and active response are locally performed by identifying the abnormal change conditions of the available parameters before stage 2; by identifying abnormal changes of parameters in a charger and a BMS message caused by different faults, timely responding is carried out, and further caused other serious accidents such as thermal runaway of a battery are avoided; when the real-time charging parameters of the power storage battery are identified to be abnormal, the response is carried out in time, and further deterioration of accidents is avoided.
As an alternative embodiment, according to the degree of influence of the fault on the charging process and the required protection policy, the abnormal situation of the protection object is divided into three levels, and the response measures to the faults of different levels are shown in table 3:
TABLE 3
Figure BDA0003974215680000053
/>
Figure BDA0003974215680000061
According to the embodiment of the invention, the problem that the active safety protection of the charging equipment on the charging process is lacked due to major safety risks caused by BMS failure and the like under the high-power charging condition is solved. The charging equipment can actively and safely protect the charging process in real time, and the normal and orderly charging process of the high-power charging system is guaranteed.
In an optional embodiment, the processing the charging data to obtain a first set of fault criteria includes: arranging a local protection device inside the charging pile; the local protection device is connected to the target vehicle through a CAN communication interface; and driving the local protection device to process the charging data to obtain a first fault criterion set.
As an alternative embodiment, the schematic diagram of the local protection device of the charging device shown in fig. 4 includes: the sampling equipment is used for acquiring the charging data uploaded by the target vehicle; the local protection device is connected with the sampling equipment and used for processing the charging data to obtain a first fault criterion set; and the control equipment is connected with the local protection device and used for receiving the processing result of the historical charging data of the target vehicle, obtaining a second fault criterion set, completing the fault detection of the charging circuit based on the first fault criterion set and the second fault criterion set and generating a protection instruction.
Optionally, the local active protection device is installed inside the charging pile as a backup protection device in the charging process, and safety risk protection is realized through real-time data analysis on charging data. The local protection device is connected into the charging system through the CAN communication interface and is parallel to the charging pile controller. The CAN communication data in the charging process are analyzed and monitored in a data transparent transmission mode, the charging process CAN be interfered through data communication with the charging pile controller, and therefore the charging protection function is achieved. The device receives the threshold value information of battery charging through the charging controller in a cloud-edge cooperative mode, reduces the calculated amount and improves the protection efficiency.
As an alternative embodiment, there is also provided a charging system including: the charging pile is used for acquiring charging data uploaded by a target vehicle and processing the charging data to obtain a first fault criterion set; the cloud platform is used for processing historical charging data of the target vehicle to obtain a second fault criterion set and sending the second fault criterion set to the charging pile; and the charging pile is also used for completing the fault detection of the charging circuit based on the first fault criterion set and the second fault criterion set and generating a protection instruction.
In an alternative embodiment, driving the local protection device to process the charging data to obtain a first set of fault criteria includes: determining fault parameters based on the charging data, wherein the fault parameters comprise: storage battery fault parameters and charger fault parameters; and taking the storage battery fault parameters and the charger fault parameters as the first fault criterion set.
In an optional embodiment, the receiving the processing result of the historical charging data of the target vehicle to obtain the second set of fault criteria includes: processing historical charging data of the target vehicle by adopting a cloud platform, and determining a fault parameter threshold value based on the historical charging data, wherein the fault parameter comprises the following steps: a storage battery fault parameter threshold value and a charger fault parameter threshold value; and taking the storage battery fault parameter threshold value and the charger fault parameter threshold value as the second fault criterion set, and sending the second fault criterion set to the charging pile.
As an optional embodiment, as shown in a cloud-side collaborative workflow diagram in fig. 5, the cloud platform performs cumulative risk identification and safety monitoring of vehicle charging based on historical charging data, and mainly includes identification of hidden battery failure and safety warning, and dynamic evaluation of charging safety boundary conditions. And (4) transmitting the dynamic safety boundary evaluation result (threshold value information) to the charging pile controller, and transmitting the result to the local protection device by the charging pile controller. The local protection device is used for recognizing various faults and abnormal data changes in the charging process based on real-time CAN communication and measurement data and in combination with the threshold information condition issued by the cloud, generating a protection instruction according to a fault recognition result and sending the protection instruction to the charger controller, and finally executing the protection instruction by the charger controller.
As an optional embodiment, the first fault criterion set is a criterion required for identifying a fault of a local protection object of a power storage battery system fault and a criterion required for identifying a fault of a local protection object of a charger system fault, the protection object of the local protection device can be divided into two parts, namely, a power storage battery system fault and a charger system fault, according to a main body, and under the condition that the locally acquired data volume is extremely limited, the protection object of the local protection device and the criterion required for identifying the fault are sorted out as shown in the above table 1 and the above table 2.
In an alternative embodiment, said performing charging circuit fault detection based on said first set of fault criteria and said second set of fault criteria and generating protection instructions includes: judging whether the first fault criterion set is larger than the second fault criterion set; and if the first set of fault criteria is greater than the second set of fault criteria, controlling the local protection device to generate and operate the protection instruction.
As an alternative embodiment, as shown in the BMS failure protection strategy diagram of fig. 6, taking the BMS failure condition as an example, when the BMS fails, there is a case that the BMS cannot update the real-time charging data and cyclically transmit the pre-failure charging data. The protection flow for such a case is shown in the following figure: because the BMS voltage in the message and the parameters such as the SOC have no fixed rule, the parameters are static in a short time in the normal charging process, but a BMS failure condition identification strategy depending on local SOC estimation data is established according to the relation between the SOC value and the current parameter. And when the fact that the local estimation SOC increment exceeds the threshold value in the static time period of parameters such as BMS total voltage and SOC is recognized, judging that the BMS fails.
As an optional embodiment, as shown in a schematic diagram of a hardware structure of a local protection device shown in fig. 7, the local protection device is installed inside a charger, 220V input supplies power to each module of the device after three-level conversion through a power supply, two paths of CAN communication modules are respectively connected with a bus and a charger main control board, 232 and 485 communication modules are used for receiving cloud platform data sent by a charging pile, and two paths of AD modules acquire power loop current and voltage data.
Through the steps, the problem that the active safety protection of the charging equipment on the charging process is lacked due to major safety risks caused by BMS failure and other reasons under the high-power charging condition is solved. The charging equipment can actively and safely protect the charging process in real time, and the normal and orderly charging process of a high-power charging system is guaranteed.
Example 2
According to an embodiment of the present invention, there is further provided an embodiment of an apparatus for implementing the charging circuit fault detection method, and fig. 8 is a schematic structural diagram of a charging circuit fault detection apparatus according to an embodiment of the present invention, as shown in fig. 8, the charging circuit fault detection apparatus includes: an acquisition module 80, a first processing module 82, a second processing module 84, and a generation module 86, wherein:
an obtaining module 80, configured to obtain charging data uploaded by a target vehicle;
a first processing module 82, configured to process the charging data to obtain a first set of fault criteria;
a second processing module 84, configured to receive a processing result of the historical charging data of the target vehicle, and obtain a second fault criterion set;
and a generating module 86, configured to complete charging circuit fault detection based on the first fault criterion set and the second fault criterion set, and generate a protection instruction. It should be noted here that, the obtaining module 80, the first processing module 82, the second processing module 84 and the generating module 86 correspond to steps S102 to S108 in embodiment 1, and the modules and the corresponding steps are implemented in the same example and application scenarios, but are not limited to what is disclosed in embodiment 1. It should be noted that the modules described above may be implemented in a computer terminal as part of an apparatus.
It should be noted that, reference may be made to the relevant description in embodiment 1 for optional or preferred embodiments of this embodiment, and details are not described here again.
The charging circuit fault detection device may further include a processor and a memory, where the obtaining module 80, the first processing module 82, the second processing module 84, the generating module 86, and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to implement corresponding functions.
The processor comprises a kernel, and the kernel calls a corresponding program unit from the memory, wherein one or more than one kernel can be arranged. The memory may include volatile memory in a computer readable medium, random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
According to an embodiment of the present application, there is also provided an embodiment of a non-volatile storage medium. Optionally, in this embodiment, the nonvolatile storage medium includes a stored program, and the apparatus in which the nonvolatile storage medium is located is controlled to execute any one of the charging circuit fault detection methods when the program runs.
Optionally, in this embodiment, the nonvolatile storage medium may be located in any one of a group of computer terminals in a computer network, or in any one of a group of mobile terminals, and the nonvolatile storage medium includes a stored program.
Optionally, the apparatus in which the non-volatile storage medium is controlled to perform the following functions when the program is executed: acquiring charging data uploaded by a target vehicle; processing the charging data to obtain a first fault criterion set; receiving a processing result of the historical charging data of the target vehicle to obtain a second fault criterion set; and completing the fault detection of the charging circuit based on the first fault criterion set and the second fault criterion set, and generating a protection instruction.
Optionally, the apparatus in which the non-volatile storage medium is controlled to perform the following functions when the program is executed: arranging a local protection device inside the charging pile; the local protection device is connected to the target vehicle through a CAN communication interface; and driving the local protection device to process the charging data to obtain a first fault criterion set.
Optionally, the apparatus in which the nonvolatile storage medium is controlled when the program is running performs the following functions: determining a fault parameter based on the charging data, wherein the fault parameter comprises: storage battery fault parameters and charger fault parameters; and taking the storage battery fault parameters and the charger fault parameters as the first fault criterion set.
Optionally, the apparatus in which the non-volatile storage medium is controlled to perform the following functions when the program is executed: processing historical charging data of the target vehicle by adopting a cloud platform, and determining a fault parameter threshold value based on the historical charging data, wherein the fault parameter comprises: a storage battery fault parameter threshold value and a charger fault parameter threshold value; and taking the storage battery fault parameter threshold value and the charger fault parameter threshold value as the second fault criterion set, and sending the second fault criterion set to the charging pile.
Optionally, the apparatus in which the nonvolatile storage medium is controlled when the program is running performs the following functions: judging whether the first fault criterion set is larger than the second fault criterion set; and if the first fault criterion set is larger than the second fault criterion set, controlling the local protection device to generate and operate the protection instruction.
According to an embodiment of the present application, there is also provided an embodiment of a processor. Optionally, in this embodiment, the processor is configured to execute a program, where the program executes any one of the charging circuit fault detection methods.
According to an embodiment of the present application, there is further provided an embodiment of an electronic device, including a memory and a processor, where the memory stores therein a computer program, and the processor is configured to run the computer program to perform any one of the above charging circuit fault detection methods.
There is also provided, in accordance with an embodiment of the present application, an embodiment of a computer program product, which, when executed on a data processing device, is adapted to execute a program initialized with the steps of the charging circuit failure detection method of any of the above.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the description of each embodiment has its own emphasis, and reference may be made to the related description of other embodiments for parts that are not described in detail in a certain embodiment.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention, which is substantially or partly contributed by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U disk, a Read-only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic disk, or an optical disk.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. A charging circuit fault detection method, comprising:
acquiring charging data uploaded by a target vehicle;
processing the charging data to obtain a first fault criterion set;
receiving a processing result of historical charging data of the target vehicle to obtain a second fault criterion set;
and completing charging circuit fault detection based on the first fault criterion set and the second fault criterion set, and generating a protection instruction.
2. The method of claim 1, wherein said processing said charging data to derive a first set of fault criteria comprises:
arranging a local protection device inside the charging pile;
accessing the local protection device to the target vehicle by adopting a CAN communication interface;
and driving the local protection device to process the charging data to obtain a first fault criterion set.
3. The method of claim 2, wherein actuating the local protection device to process the charging data to derive a first set of fault criteria comprises:
determining fault parameters based on the charging data, wherein the fault parameters include: storage battery fault parameters and charger fault parameters;
and taking the storage battery fault parameter and the charger fault parameter as the first fault criterion set.
4. The method of claim 3, wherein the receiving the results of the processing of the historical charging data for the target vehicle results in a second set of fault criteria comprising:
processing historical charging data of the target vehicle by adopting a cloud platform, and determining a fault parameter threshold value based on the historical charging data, wherein the fault parameter comprises: a storage battery fault parameter threshold value and a charger fault parameter threshold value;
and taking the storage battery fault parameter threshold value and the charger fault parameter threshold value as the second fault criterion set, and sending the second fault criterion set to the charging pile.
5. The method of claim 1, wherein performing charging circuit fault detection based on the first set of fault criteria and the second set of fault criteria and generating protection instructions comprises:
determining whether the first set of fault criteria is greater than the second set of fault criteria;
and if the first fault criterion set is larger than the second fault criterion set, controlling a local protection device to generate and operate the protection instruction.
6. A charging pile, comprising:
the sampling device is used for acquiring the charging data uploaded by the target vehicle;
the local protection device is connected with the sampling equipment and used for processing the charging data to obtain a first fault criterion set;
and the control equipment is connected with the local protection device and used for receiving the processing result of the historical charging data of the target vehicle, obtaining a second fault criterion set, completing the fault detection of the charging circuit based on the first fault criterion set and the second fault criterion set and generating a protection instruction.
7. An electrical charging system, comprising:
the charging pile is used for acquiring charging data uploaded by a target vehicle and processing the charging data to obtain a first fault criterion set;
the cloud platform is used for processing historical charging data of the target vehicle to obtain a second fault criterion set and sending the second fault criterion set to the charging pile;
and the charging pile is also used for completing the fault detection of the charging circuit based on the first fault criterion set and the second fault criterion set and generating a protection instruction.
8. A charging circuit fault detection device, comprising:
the acquisition module is used for acquiring the charging data uploaded by the target vehicle;
the first processing module is used for processing the charging data to obtain a first fault criterion set;
the second processing module is used for receiving the processing result of the historical charging data of the target vehicle to obtain a second fault criterion set;
and the generating module is used for finishing the fault detection of the charging circuit based on the first fault criterion set and the second fault criterion set and generating a protection instruction.
9. A non-volatile storage medium storing a plurality of instructions adapted to be loaded by a processor and to perform the charging circuit fault detection method of any one of claims 1 to 5.
10. An electronic device comprising a memory and a processor, wherein the memory has stored therein a computer program, and the processor is configured to execute the computer program to perform the charging circuit fault detection method of any one of claims 1 to 5.
CN202211522124.7A 2022-11-30 2022-11-30 Charging circuit fault detection method and device, storage medium and electronic equipment Pending CN115972967A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211522124.7A CN115972967A (en) 2022-11-30 2022-11-30 Charging circuit fault detection method and device, storage medium and electronic equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211522124.7A CN115972967A (en) 2022-11-30 2022-11-30 Charging circuit fault detection method and device, storage medium and electronic equipment

Publications (1)

Publication Number Publication Date
CN115972967A true CN115972967A (en) 2023-04-18

Family

ID=85968939

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211522124.7A Pending CN115972967A (en) 2022-11-30 2022-11-30 Charging circuit fault detection method and device, storage medium and electronic equipment

Country Status (1)

Country Link
CN (1) CN115972967A (en)

Similar Documents

Publication Publication Date Title
CN107539145A (en) A kind of guard method of electric automobile power battery, device and electric automobile
CN109888414B (en) Management method, device and system of power battery
CN112816227A (en) Vehicle fault detection method, device, system, server and medium
CN110224461A (en) Battery power limit method, apparatus, computer equipment and storage medium
CN109525641A (en) A kind of vehicle mounted communication module method and computer-readable medium
CN115102266A (en) Control method of battery system, battery system and off-grid power supply system
CN114138616A (en) Terminal configuration modification system and method
CN112290649A (en) Charging control method and device, storage medium and processor
CN115972967A (en) Charging circuit fault detection method and device, storage medium and electronic equipment
CN116400221A (en) Method for testing safety function of battery management system
CN111211596A (en) Method and device for monitoring power utilization state of charging cabinet
CN113537843A (en) Energy storage energy management system and method
CN111216739B (en) Fault processing method and device based on hybrid vehicle
CN113595174A (en) Battery management method, device, equipment and server
CN115453224A (en) Method, device, equipment and medium for recognizing state of vehicle-mounted direct current-direct current converter
CN113570473A (en) Equipment fault monitoring method and device, computer equipment and storage medium
CN112910035A (en) Method and device for detecting battery cell charging, electronic equipment and storage medium
CN115372752A (en) Fault detection method, device, electronic equipment and storage medium
CN114537213B (en) Power battery processing method, device, equipment and storage medium
CN113358975B (en) Fault detection method and device for power transmission network, computer equipment and storage medium
CN112039074B (en) Online safety and stability emergency control strategy mode word generation method
CN113468806A (en) Fault detection method and device for energy storage charging pile and computer readable storage medium
CN116546054B (en) Real-time dynamic monitoring network device for power system with off-center strength and toughness
CN113978256B (en) Control method, device and equipment for double DCDC of electric automobile and storage medium
CN111146756B (en) Protection constant value checking method and system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination