High-voltage connection operation monitoring method, device and equipment of battery pack and storage medium

Abstract

The application relates to a high-voltage connection operation monitoring method, device and equipment of a battery pack and a storage medium. The method comprises the following steps: acquiring a first area image of a high-voltage connection operation area when the battery pack is in a high-voltage connection operation stage; determining a current operation step corresponding to the battery pack according to a step marker identified from the first area image; the step marker is arranged in the high-voltage connection operation area and is used for identifying a high-voltage connection operation step of the battery pack, and the feature intensity of the step marker in the first area image is greater than a first preset feature intensity threshold; and determining that an abnormality exists in the high-voltage connection process of the battery pack when the current operation step does not match an expected operation step of the battery pack. The method can effectively improve the high-voltage connection operation monitoring precision of the battery pack and reduce the misjudgment rate.

Description

Technical Field

[0001] This application relates to the field of battery manufacturing technology, and in particular to a method, apparatus, computer equipment, storage medium, and computer program product for high-voltage connection operation of a battery pack. Background Technology

[0002] With the continuous development of new energy technologies, power batteries have been widely used in the field of new energy vehicles, leading to a significant increase in their production demand. The battery assembly process is generally divided into three main stages: cell manufacturing, module manufacturing, and battery pack manufacturing. As a critical link in battery pack manufacturing, the standardization of the high-voltage connection process is of paramount importance. Improper operation by employees or in the workshop may cause serious safety hazards, or even lead to battery pack scrapping or fires.

[0003] Currently, in order to improve the standardization of high-voltage connection operations, the commonly used technical solution is to monitor for abnormalities in the high-voltage connection operation process through manual monitoring or visual recognition of employees' hand movements.

[0004] However, with the significant increase in the frequency and speed of battery pack assembly operations, traditional manual monitoring methods can no longer meet the demands for efficiency, accuracy, and reliability in safe production. Relying solely on computer vision to detect changes in personnel movements not only requires substantial computation but is also prone to numerous false alarms and missed alarms due to the complexity of the work environment. Therefore, there is an urgent need for a simpler, more effective, and more adaptable high-voltage connection operation monitoring solution to improve the accuracy of high-voltage connection operation monitoring for battery packs and reduce the false alarm rate. Summary of the Invention

[0005] Therefore, it is necessary to provide a method, apparatus, computer equipment, computer-readable storage medium, and computer program product for monitoring the high-voltage connection operation of a battery pack, which can effectively improve the monitoring accuracy of the high-voltage connection operation of the battery pack and reduce the false judgment rate, in order to address the above-mentioned technical problems.

[0006] Firstly, this application provides a method for monitoring the high-voltage connection operation of a battery pack. The method includes:

[0007] When the battery pack is in the high-voltage connection operation phase, acquire a first region image of the high-voltage connection operation area;

[0008] Based on the step markers identified from the first region image, the current operation step corresponding to the battery pack is determined; the step markers are set in the high-voltage connection operation area to identify the high-voltage connection operation steps of the battery pack, and the feature intensity of the step markers in the first region image is greater than a first preset feature intensity threshold.

[0009] If the current operating procedure does not match the expected operating procedure of the battery pack, it is determined that there is an anomaly in the high-voltage connection process of the battery pack.

[0010] In the above embodiments, when the battery pack is in the high-voltage connection operation stage, a first region image obtained by image acquisition of the high-voltage connection operation area is acquired, and step markers are identified. Since the feature intensity of the step markers set in the high-voltage connection operation area in the first region image information is greater than a first preset feature intensity threshold, the high-threshold markers can effectively reduce the recognition complexity and improve the recognition accuracy. Furthermore, because the step markers can identify the high-voltage connection operation steps of the battery pack, the current operation step corresponding to the battery pack can be determined based on the identified step markers. By matching the current operation step with the expected operation step of the battery pack, if the current operation step is inconsistent with the expected operation step, it can be determined that there is an anomaly in the high-voltage connection process of the battery pack, and the high-voltage connection operation steps are not standardized. This effectively improves the anomaly monitoring accuracy and efficiency of the high-voltage connection operation of the battery pack and reduces the anomaly false judgment rate.

[0011] In some embodiments, determining the current operation step corresponding to the battery pack based on step markers identified from the first region image includes:

[0012] Step marker identification is performed on the first region image to determine unobstructed markers in the first region image; when the high-voltage connection operation step of the battery pack is executed, the step markers corresponding to the executed high-voltage connection operation step are obstructed;

[0013] If the unobstructed marker does not match the reference step marker corresponding to the high-voltage connection operation stage, the difference marker between the unobstructed marker and the reference step marker shall be identified as the target step marker that is obstructed in the high-voltage connection operation area.

[0014] Based on the target step marker, determine the current operation step corresponding to the battery pack.

[0015] In the above embodiments, by setting the step markers at positions that will be obscured when the corresponding steps are executed, the current operation step corresponding to the battery pack can be determined by the obscuration state of the step markers. Even if multiple step markers are set in the high-voltage connection operation area, the current operation step corresponding to the battery pack can be quickly and accurately determined, effectively improving the efficiency and accuracy of determining the current operation step.

[0016] In some embodiments, determining the current operation step corresponding to the battery pack based on the target step marker includes:

[0017] Continuous image acquisition is performed on the high-voltage connection operation area according to the first preset frame number to obtain multiple frames of the second area image;

[0018] Each second region image is subjected to step marker recognition to determine the second unoccluded marker for each second region image;

[0019] If there are difference markers between each of the second unobstructed markers and the reference step marker, and all of the difference markers are the target step markers, then the high-voltage connection operation step identified by the target step marker is determined as the current operation step corresponding to the battery pack.

[0020] In the above embodiments, after determining that there are occluded target step markers, the anomaly monitoring system will also acquire continuous frame images to perform secondary detection of marker occlusion, thereby reducing the risk of false alarms caused by temporary occlusion in a single frame image and improving the accuracy of anomaly monitoring and the reliability of the system.

[0021] In some embodiments, the method further includes:

[0022] Obtain the identification information of the battery pack;

[0023] Based on the identification information, the production line to which the battery pack belongs is determined;

[0024] Based on the step marker information pre-configured for the production line, the reference step marker corresponding to the battery pack in the high-voltage connection operation stage is determined; the step marker information is used to characterize the reference step marker corresponding to each operation step in the high-voltage connection operation stage.

[0025] In the above embodiments, by pre-configuring step marker information for each production line, when it is necessary to determine the baseline step marker, the production line to which the battery pack belongs is first determined based on the battery pack's identification information, and then the corresponding baseline step marker is determined based on the production line. This not only improves the efficiency and accuracy of determining the baseline step marker, but also enables the anomaly monitoring system to flexibly adapt to the operational specifications of different production lines, greatly reducing the system deployment and maintenance costs caused by differences in production lines.

[0026] In some embodiments, the step marker information is further used to characterize the operational sequence of each operational step in the high-voltage connection operation phase; the method further includes:

[0027] Based on the identification information, retrieve the historical completion steps of the battery pack during the high-voltage connection operation phase from the operation record;

[0028] Based on the operation sequence of each operation step represented by the step marker information, the next operation step that matches the historical completed steps is determined as the expected operation step of the battery pack.

[0029] In the above embodiments, by determining the historical completion steps of the battery pack during the high-voltage connection operation phase, and based on the historical completion steps and the pre-configured sequence of operation steps for the production line to which the battery pack belongs, the expected operation steps of the battery pack are determined, which effectively improves the accuracy of determining the expected operation steps and provides a data basis for subsequent anomaly detection.

[0030] In some embodiments, the method further includes:

[0031] A third region image is obtained by real-time image acquisition of the high-voltage connection operation area.

[0032] If the battery pack is identified in the third region image, the motion state of the battery pack is determined;

[0033] Based on the motion state of the battery pack, the processing stage of the battery pack during the high-voltage connection process is determined; the processing stage includes the high-voltage connection operation stage;

[0034] Anomaly monitoring is performed on the high-voltage connection process of the battery pack in accordance with an anomaly monitoring strategy that matches the processing stage.

[0035] In the above embodiments, corresponding anomaly monitoring strategies are pre-configured for different processing stages of the high-voltage connection process. The anomaly monitoring system first determines the processing stage of the battery pack, and then uses the anomaly monitoring strategy that matches the processing stage to perform anomaly monitoring on the high-voltage connection process. This can match the anomaly monitoring process with the actual processing stage of the battery pack, effectively improving the accuracy of anomaly monitoring.

[0036] In some embodiments, determining the processing stage of the battery pack during the high-voltage connection process based on the movement state of the battery pack includes:

[0037] When the battery pack is in a stationary state, the operation markers in the third region image are identified to determine the operation stage indicator markers in the third region image.

[0038] If the indicator marker for the operation phase matches the reference operation marker corresponding to the high-voltage connection operation phase, the battery pack is determined to be in the high-voltage connection operation phase.

[0039] In the above embodiments, when the battery pack is in a stationary state, the anomaly monitoring system also needs to combine the matching of the operation stage indicator markers identified in the third region image with the reference operation markers to determine whether the battery pack is in the high-voltage connection operation stage. This effectively improves the accuracy of determining the high-voltage connection operation stage and provides an accurate monitoring stage for subsequent anomaly monitoring.

[0040] In some embodiments, the processing phase further includes a battery pack entry phase and a battery pack exit phase;

[0041] The process of determining the handling stage of the battery pack during the high-voltage connection process based on the movement state of the battery pack includes:

[0042] When the battery pack is in a continuous motion state, acquire historical region images of a second preset number of frames continuously collected before the third region image;

[0043] For each of the aforementioned historical region images, battery pack identification is performed on the historical region image;

[0044] If the battery pack is included in all the historical region images, the processing stage of the battery pack during the high-voltage connection process is determined to be the battery pack departure stage;

[0045] If any frame of the historical region image does not contain the battery pack, the processing stage of the battery pack during the high-voltage connection process is determined as the battery pack entry stage.

[0046] In the above embodiments, when the battery pack is in a continuous motion state, the anomaly monitoring system identifies the battery pack by analyzing the previous several frames of historical region images of the third region image. Based on the battery pack identification results, it determines whether the battery pack is in the battery pack entry stage or the battery pack exit stage. Through time series analysis, the rigor and accuracy of the anomaly monitoring system's stage judgment are effectively improved.

[0047] In some embodiments, the abnormal monitoring of the high-voltage connection process of the battery pack according to an abnormality monitoring strategy matched to the processing stage includes:

[0048] Stage marker identification is performed on the third region image to determine the stage marker information in the third region image; the feature intensity of the stage marker in the third region image is greater than a second preset feature intensity threshold.

[0049] Based on the comparison results between the stage marker information and the baseline stage marker information corresponding to the processing stage, the abnormal monitoring results of the high-voltage connection process of the battery pack are determined.

[0050] In the above embodiments, when the battery pack is in the battery pack entry stage or the battery pack exit stage, the abnormal monitoring result of the battery pack in the high-voltage connection process can be determined by comparing the stage marker information identified in the third region image with the baseline stage marker information corresponding to the processing stage. Since the feature intensity of the stage marker is greater than the second preset feature intensity threshold, the identification complexity of the stage marker can be effectively reduced, the identification accuracy of the stage marker can be improved, and thus the accuracy of abnormal monitoring can be improved.

[0051] In some embodiments, the stage marker information includes the number and location of stage markers; the method further includes:

[0052] If the position and number of stage markers are consistent with the position and number of reference markers, it is determined that the stage marker information is consistent with the reference stage marker information corresponding to the processing stage.

[0053] In the above embodiments, by comparing the position and quantity of the stage markers with the position and quantity of the baseline stage markers, the false alarm probability of anomaly monitoring can be reduced and the monitoring accuracy of anomaly monitoring can be improved.

[0054] In some embodiments, the stage marker information includes the number, location, and color of the stage markers; the method further includes:

[0055] If the number, position, and color of the stage markers are consistent with the number, position, and color of the reference stage markers, it is determined that the stage marker information is consistent with the reference stage marker information corresponding to the battery pack entering the stage; the color of the reference stage markers for the battery pack entering the stage is different from the color of the reference stage markers for the battery pack leaving the stage.

[0056] In the above embodiments, by comparing the position, quantity, and color of the stage markers with the position, quantity, and color of the baseline stage markers, it is possible not only to reduce the false alarm probability of anomaly monitoring and improve the monitoring accuracy of anomaly monitoring, but also to further assist the system and operators in accurately identifying the processing stage of the battery pack.

[0057] In some embodiments, determining the abnormal monitoring result of the high-voltage connection process of the battery pack based on the comparison result between the stage marker information and the baseline stage marker information corresponding to the processing stage includes:

[0058] If the stage marker information is inconsistent with the baseline stage marker information corresponding to the battery pack entering stage, a fourth region image is acquired after the third region image for a third preset number of consecutive frames.

[0059] Each of the fourth region images is subjected to stage marker recognition to obtain the second stage marker information corresponding to each of the fourth region images;

[0060] If the information of each second-stage marker is inconsistent with the information of the benchmark marker corresponding to the battery pack entering the stage, it is determined that there is an anomaly in the high-voltage connection process of the battery pack.

[0061] In the above embodiments, when the phase marker information of the third region image is inconsistent with the baseline phase marker information corresponding to the battery pack entry phase during the battery pack entry phase, the anomaly monitoring system will continue to perform secondary detection of phase marker anomalies based on each of the fourth region images continuously acquired after the third region image. This reduces the risk of false alarms caused by temporary anomalies in a single frame image, and improves the accuracy of anomaly monitoring and the reliability of the system.

[0062] In some embodiments, determining the abnormal monitoring result of the high-voltage connection process of the battery pack based on the comparison result between the stage marker information and the baseline stage marker information corresponding to the processing stage includes:

[0063] If the information of the stage marker is inconsistent with the information of the reference stage marker corresponding to the battery pack leaving stage, a fifth region image of a fourth preset number of consecutive frames is acquired before the third region image.

[0064] Each of the fifth region images is subjected to stage marker recognition to obtain the third stage marker information corresponding to each of the fifth region images;

[0065] If the information of each third-stage marker is inconsistent with the information of the baseline stage marker, it is determined that there is an anomaly in the high-voltage connection process of the battery pack.

[0066] In the above embodiments, when the phase marker information of the third region image is inconsistent with the baseline phase marker information corresponding to the battery pack leaving phase during the battery pack entry phase, the anomaly monitoring system will continue to perform secondary detection of phase marker anomalies based on each of the fifth region images continuously collected before the third region image. This reduces the risk of false alarms caused by temporary anomalies in a single frame image, and improves the accuracy of anomaly monitoring and the reliability of the system.

[0067] Secondly, this application also provides a high-voltage connection operation monitoring device for a battery pack. The device includes:

[0068] The image acquisition module is used to acquire a first area image obtained by image acquisition of the high-voltage connection operation area when the battery pack is in the high-voltage connection operation stage.

[0069] The operation step determination module is used to determine the current operation step corresponding to the battery pack based on the step markers identified from the first region image; the step markers are set in the high-voltage connection operation area to identify the high-voltage connection operation steps of the battery pack, and the feature intensity of the step markers in the first region image is greater than a first preset feature intensity threshold.

[0070] An anomaly monitoring module is used to determine if there is an anomaly in the high-voltage connection process of the battery pack when the current operating step does not match the expected operating step of the battery pack.

[0071] Thirdly, this application also provides a computer device. The computer device includes a memory and a processor, the memory storing a computer program, and the processor executing the computer program to implement the steps of the above-described method.

[0072] Fourthly, this application also provides a computer-readable storage medium. The computer-readable storage medium stores a computer program thereon, which, when executed by a processor, implements the steps of the above-described method.

[0073] Fifthly, this application also provides a computer program product. The computer program product includes a computer program that, when executed by a processor, implements the steps of the above-described method.

[0074] The aforementioned high-voltage connection operation method, apparatus, computer equipment, storage medium, and computer program product for the battery pack acquire a first area image of the high-voltage connection operation region when the battery pack is in the high-voltage connection operation stage, and identify step markers within it. Since the feature intensity of the step markers set in the high-voltage connection operation region in the first area image information is greater than a first preset feature intensity threshold, the high-threshold markers effectively reduce recognition complexity, decrease misjudgments caused by changes in illumination, viewing angle deviations, or partial occlusion, and improve recognition accuracy. Furthermore, because the step markers can identify the high-voltage connection operation steps of the battery pack, the current operation step corresponding to the battery pack can be determined based on the identified step markers. By matching the current operation step with the expected operation step of the battery pack, if the current operation step is inconsistent with the expected operation step, it can be determined that there is an anomaly in the high-voltage connection process of the battery pack, indicating that the high-voltage connection operation steps are not standardized. This effectively improves the anomaly monitoring accuracy and efficiency of the high-voltage connection operation of the battery pack and reduces the anomaly misjudgment rate. Attached Figure Description

[0075] Figure 1 This is an application environment diagram of the high-voltage connection operation monitoring method for battery packs in some embodiments;

[0076] Figure 2 This is a flowchart illustrating a high-voltage connection operation monitoring method for a battery pack in some embodiments;

[0077] Figure 3 This is a flowchart illustrating how, in some embodiments, the current operation step corresponding to the battery pack is determined based on step markers identified from a first region image.

[0078] Figure 4 This is a flowchart illustrating how the current operation step corresponding to the battery pack is determined based on the target step marker in some embodiments.

[0079] Figure 5 This is a flowchart illustrating the high-voltage connection operation monitoring method for the battery pack in some other embodiments;

[0080] Figure 6 This is a flowchart illustrating the high-voltage connection operation monitoring method for the battery pack in some other embodiments;

[0081] Figure 7 This is a flowchart illustrating the process of determining the processing stages of the battery pack during high-voltage connection based on the motion state of the battery pack in some embodiments.

[0082] Figure 8 This is a flowchart illustrating the process of determining the abnormal monitoring results of the high-voltage connection process of the battery pack based on the comparison results of the stage marker information and the baseline stage marker information corresponding to the processing stage in some embodiments.

[0083] Figure 9 This is a flowchart illustrating the process of determining the abnormal monitoring results of the high-voltage connection process of the battery pack based on the comparison results of the stage marker information and the baseline stage marker information corresponding to the processing stage in some other embodiments.

[0084] Figure 10 This is a schematic block diagram of the high-voltage connection operation area in some embodiments;

[0085] Figure 11 This is a flowchart illustrating the stage judgment part of the high-voltage connection operation monitoring method for a battery pack in some embodiments;

[0086] Figure 12 This is a flowchart illustrating the abnormal monitoring part of the battery pack entry stage in the high-voltage connection operation monitoring method of the battery pack in some embodiments.

[0087] Figure 13 This is a flowchart illustrating the abnormal monitoring portion of the operation phase in the high-voltage connection operation monitoring method for a battery pack in some embodiments.

[0088] Figure 14This is a flowchart illustrating the abnormal monitoring portion of the battery disconnection stage in the high-voltage connection operation monitoring method for a battery pack in some embodiments.

[0089] Figure 15 This is a structural block diagram of a high-voltage connection operation monitoring device for a battery pack in some embodiments;

[0090] Figure 16 This is a diagram showing the internal structure of a computer device in some embodiments. Detailed Implementation

[0091] The embodiments of the technical solution of this application will now be described in detail with reference to the accompanying drawings. These embodiments are only used to more clearly illustrate the technical solution of this application and are therefore merely examples, and should not be used to limit the scope of protection of this application.

[0092] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms “comprising” and “having”, and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion.

[0093] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least some of the embodiments of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0094] In the description of the embodiments of this application, the term "multiple" refers to two or more (including two), similarly, "multiple sets" refers to two or more (including two sets), and "multiple pieces" refers to two or more (including two pieces).

[0095] In the description of the embodiments of this application, the technical terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0096] In the description of the embodiments of this application, unless otherwise expressly specified and limited, technical terms such as "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in the embodiments of this application can be understood according to the specific circumstances.

[0097] High-voltage connection operations in battery pack manufacturing refer to a series of processes that reliably and safely connect the various high-voltage components within the battery pack, as well as between the battery pack and external high-voltage systems, to form a complete high-voltage power circuit. During high-voltage connection operations, operators must perform the connection operations in a designated work area according to a prescribed sequence to ensure operational safety. To ensure the safety of power battery production, it is necessary to monitor the operational behavior of personnel involved in high-voltage connection operations in real time to ensure compliance with regulations.

[0098] Currently, to improve the standardization of high-voltage connection operations, the common technical solution is to monitor anomalies through manual monitoring or visual recognition of employee hand movements. However, with the significant increase in the frequency and speed of battery pack assembly operations and the numerous operational steps, personnel are prone to missed or incorrect detections due to fatigue or negligence. Manual recording also struggles to guarantee real-time accuracy and consistency. Incorrect operation sequences or improper installation of protective covers can lead to serious safety accidents such as high-voltage arcs, short circuits, or even fires. Therefore, traditional manual monitoring methods can no longer meet the demands of safe production for efficiency, accuracy, and reliability. Relying solely on computer vision to detect changes in personnel movements is also problematic. Due to the complex working environment (such as changes in lighting, equipment obstructions, and differences in operating perspectives), relying solely on hand movement recognition easily generates numerous false alarms and missed alarms. This not only increases the burden of on-site personnel for investigation and reduces work efficiency but also poses significant challenges to the system's later maintenance and optimization.

[0099] To effectively improve the monitoring accuracy of high-voltage connection operations of battery packs and reduce the false positive rate, step markers can be pre-set in the high-voltage connection operation area to identify the steps of the high-voltage connection operation. The feature intensity of the step markers is higher than a first preset feature intensity. High-intensity markers can effectively reduce the computational complexity of subsequent identification and improve identification accuracy. When the battery pack is in the high-voltage connection operation stage, a first area image of the high-voltage connection operation area is acquired, and the step markers are identified. The step markers contained in the first area image are accurately identified. Since the step markers can identify the high-voltage connection operation steps of the battery pack, the current operation step of the battery pack can be determined based on the identified step markers. By matching the current operation step with the expected operation step of the battery pack, if the current operation step is inconsistent with the expected operation step, it can be determined that there is an anomaly in the high-voltage connection process of the battery pack, indicating that the high-voltage connection operation steps are not standardized. This effectively improves the anomaly monitoring accuracy and efficiency of the high-voltage connection operation of the battery pack and reduces the false positive rate.

[0100] The high-voltage connection operation monitoring method for battery packs provided in this application embodiment can be applied to, for example... Figure 1 In the application environment shown, the anomaly monitoring system 102 can communicate with the image acquisition device 104 located in the high-voltage connection operation area. The data storage system can store the data that the anomaly monitoring system 102 needs to process. The data storage system can be integrated into the anomaly monitoring system 102 or placed in the cloud or on another network server. When the anomaly monitoring system 102 determines that the battery pack is in the high-voltage connection operation stage, it can acquire a first area image of the high-voltage connection operation area through the image acquisition device 104 located in the high-voltage connection operation area. Based on the step markers identified from the first area image, it determines the current operation step corresponding to the battery pack. The step markers are located in the high-voltage connection operation area to identify the high-voltage connection operation steps of the battery pack, and the feature intensity of the step markers in the first area image information is greater than a first preset feature intensity threshold. If it is determined that the current operation step does not match the expected operation step of the battery pack, the anomaly monitoring system 102 can determine that there is an anomaly in the high-voltage connection process of the battery pack.

[0101] The anomaly monitoring system 102 is used to monitor the high-voltage connection operation of the battery pack and determine whether the high-voltage connection operation process complies with the operating specifications. The anomaly monitoring system 102 can be equipped with an image recognition model or configured with an image recognition algorithm, which can identify markers in the collected images. At the same time, the anomaly monitoring system 102 also has corresponding logic processing capabilities, which can monitor the high-voltage connection operation of the battery pack based on the obtained recognition information and the pre-configured processing logic.

[0102] Understandably, monitoring and management personnel can log in to the anomaly monitoring system 102 through the management terminal to monitor and manage the high-voltage connection operation of the battery pack. The management terminal can be, but is not limited to, various personal computers, laptops, smartphones, tablets, IoT devices and portable wearable devices. IoT devices can be production management equipment on the battery pack production line, and portable wearable devices can be smartwatches, smart bracelets, etc.

[0103] The image acquisition device 104 is a hardware device used to acquire images of the high-voltage connection operation area. It can be a fixed acquisition device installed in the high-voltage connection operation area, such as a camera or video camera. Alternatively, it can be a non-fixed acquisition device capable of acquiring images of the high-voltage connection operation area, such as a handheld image acquisition terminal used by on-site personnel. The number of image acquisition devices 104 can be single or multiple, and the specific number can be determined based on the area of ​​the high-voltage connection operation area and the number of high-voltage connection operation steps.

[0104] In some embodiments, the image acquisition device 104 can employ an industrial-grade camera array, enabling continuous 24 / 7 image acquisition via a wide-angle, high-definition camera mounted on the ceiling of the work area. The video stream is transmitted in real-time to the anomaly monitoring system 102 for processing. This method can completely record every operational detail, ensuring comprehensive detection without blind spots, and is suitable for standard production lines with high automation and stable production cycles.

[0105] In some embodiments, the image acquisition device 104 can also employ a manual photo-upload mode, where trained operators use a tablet to take photos of key operational moments and upload them to the anomaly monitoring system via a dedicated application. While this approach sacrifices some real-time performance, it offers unique advantages in scenarios with limited equipment installation or special product testing, effectively preventing camera malfunctions caused by unstable network connections.

[0106] In some embodiments, such as Figure 2 As shown, a high-voltage connection operation monitoring method for a battery pack is provided, which can be applied to... Figure 1 Taking the anomaly monitoring system 102 as an example, the following steps are included:

[0107] S202, when the battery pack is in the high-voltage connection operation stage, acquire a first area image of the high-voltage connection operation area.

[0108] The high-voltage connection operation stage refers to the core process of reliably connecting internal high-voltage components through standardized processes during battery pack assembly to form a complete and safe high-voltage circuit. For example, operations such as bolt connection, laser welding, and connector insertion can be performed during the high-voltage connection operation stage.

[0109] The high-voltage connection operation area refers to a specific workstation or space on the battery pack production line where high-voltage component connection operations are carried out. All high-voltage operations of the battery pack need to be completed in this area, such as module assembly, busbar assembly, and high-voltage harness insertion.

[0110] The first region image is an image obtained by acquiring images of the high-voltage connection operation area during the high-voltage connection operation phase of the battery pack. It can be a video frame or a digital image containing visual information of the high-voltage connection operation area.

[0111] In some embodiments, when the anomaly monitoring system determines that the battery pack is in the high-voltage connection operation phase, it can acquire a first area image of the high-voltage connection operation area.

[0112] In some embodiments, the first area image can be directly uploaded to the anomaly detection system by monitoring and management personnel.

[0113] In some embodiments, when the anomaly monitoring system determines that the battery pack is in the high-voltage connection operation phase, it can send an image acquisition command to an image acquisition device. In response to the image acquisition command, the image acquisition device performs image acquisition on the high-voltage connection operation area to obtain a first area image and returns the first area image to the anomaly monitoring system.

[0114] In some embodiments, the image acquisition device can continuously and in real time acquire images of the high-voltage connection operation area. When the anomaly monitoring system determines that the battery pack is in the high-voltage connection operation stage, it can obtain the first area image acquired in real time from the image acquisition device for the high-voltage connection operation area.

[0115] S204, determine the current operation step corresponding to the battery pack based on the step markers identified from the first region image.

[0116] The step markers are specific markers placed in the high-voltage connection operation area to identify the high-voltage connection operation steps of the battery pack. They can be considered as visual references used to uniquely identify different high-voltage connection operation steps, such as numerical labels or color labels. The step markers are pre-set by the designers in the high-voltage connection operation area. The number of step markers corresponds to the number of high-voltage connection operation steps, with each step marker corresponding to a specific high-voltage connection operation step.

[0117] Understandably, the feature intensity of the marker in the first region of the image is greater than a first preset feature intensity threshold. Here, the feature intensity of the marker in the image is a quantified value used to characterize the discernibility of the marker's features in the image. Feature intensity may include, but is not limited to, the intensity of grayscale features, color features, texture features, and statistical features of the marker. Grayscale features may include, but are not limited to, contrast, brightness, and gradient magnitude; color features may include, but are not limited to, the intensity of color channels, saturation, and the degree of color difference with the background; texture features may be the texture response value calculated by a filter; and statistical features may include the information entropy of the image region where the marker is located.

[0118] Higher feature intensity means the marker is more prominent in the image, with clearer edges and features, making it easier for the algorithm to accurately identify it. Lower feature intensity means the image is blurry, and the marker easily blends into the background, making it difficult to distinguish. In other words, the feature intensity of a step marker in the first region of the image is positively correlated with the probability of that step marker being identified.

[0119] The first preset feature intensity threshold is the minimum feature intensity value used to define whether a step marker can be accurately identified. This threshold can be determined based on the background feature intensity of the marked area. If the feature intensity of the step marker is greater than the first preset threshold, it can be considered that the difference between the step marker and its surrounding background in corresponding features is significant, meeting the identifiable condition for a step marker and thus being accurately identified. If the feature intensity of the step marker is less than or equal to the first preset threshold, it can be considered that the difference between the step marker and its surrounding background in corresponding features is small, not meeting the identifiable condition for a step marker and thus having a low probability of accurate identification.

[0120] The current operation step corresponding to the battery pack refers to the specific high-voltage connection operation step being performed on the battery pack at the current moment. For example, the current operation step could be installing the positive and negative busbars, tightening the high-voltage connector, etc. Since there is a one-to-one correspondence between the step markers and the high-voltage connection operation steps, the current operation step corresponding to the battery pack can be determined based on the step markers identified from the first region image.

[0121] In some embodiments, after obtaining an image of the first region, the anomaly monitoring system can identify step markers in the first region image and determine the current operation step corresponding to the battery pack based on the step markers identified from the first region image.

[0122] In some embodiments, the anomaly monitoring system can directly determine the current operation step corresponding to the battery pack based on the step markers that can be identified from the first area image. For example, when the operator performs the first high-voltage connection operation on the battery pack, he can block the step markers of other operation steps, and the anomaly monitoring system can directly determine the current operation step corresponding to the battery pack based on the step markers identified from the first area image.

[0123] In some embodiments, the step markers can be numerical tags, such as high-intensity numerical tags, where the numbers on the numerical tags match the order of the operation steps corresponding to the step markers. For example, a step marker with a numerical tag of 1 corresponds to the first high-voltage connection operation step, a step marker with a numerical tag of 2 corresponds to the second high-voltage connection operation step, and so on.

[0124] In some embodiments, the color of each step marker is not the same. By setting a step marker of a corresponding color for each high-voltage connection operation step, the accuracy of step marker identification and the reliability of determining the corresponding operation step based on the step marker can be effectively improved.

[0125] S206, If the current operating procedure does not match the expected operating procedure of the battery pack, it is determined that there is an anomaly in the high-voltage connection process of the battery pack.

[0126] The expected operation steps of the battery pack are determined based on the historical completion steps of the battery pack in the high-voltage connection process, and are the operation steps that the battery pack should theoretically perform at the current moment. For example, if the historical completion step of the battery pack is to install the busbar, then the operation step that the battery pack should theoretically perform at the current moment can be determined as installing the battery management system sampling line. Therefore, installing the battery management system sampling line can be identified as the expected operation step of the battery pack.

[0127] In some embodiments, the anomaly monitoring system can match the current operation step with the expected operation step of the battery pack. If the current operation step does not match the expected operation step, it indicates that the current operation step of the battery pack is an incorrect step. The battery pack may have skipped steps or performed the wrong sequence, or multiple operation steps may have been executed simultaneously. In this case, the high-voltage connection operation of the battery pack is not standardized, and the anomaly monitoring system can determine that there is an anomaly in the high-voltage connection process of the battery pack.

[0128] In some embodiments, if the current operation step matches the expected operation step, it is indicated that the current operation step of the battery pack is the correct step, and the high-voltage connection operation of the voltage pack is in accordance with the specifications. The anomaly monitoring system can return to the step of acquiring the first area image obtained by image acquisition of the high-voltage connection operation area when the battery pack is in the high-voltage connection operation stage, so as to perform anomaly monitoring on other high-voltage connection operation steps until the high-voltage connection operation stage of the battery pack is completed and enters the next stage.

[0129] In some embodiments, the desired operating steps of the battery pack can be specified directly in the anomaly monitoring system by the monitoring and management personnel based on the monitoring and management results.

[0130] In the aforementioned high-voltage connection operation method for the battery pack, when the battery pack is in the high-voltage connection operation stage, a first region image is acquired by image acquisition of the high-voltage connection operation area, and step markers are identified. Since the feature intensity of the step markers set in the high-voltage connection operation area in the first region image information is greater than a first preset feature intensity threshold, high-threshold markers can effectively reduce recognition complexity and improve recognition accuracy. Furthermore, because the step markers can identify the high-voltage connection operation steps of the battery pack, the current operation step corresponding to the battery pack can be determined based on the identified step markers. By matching the current operation step with the expected operation step of the battery pack, if the current operation step is inconsistent with the expected operation step, it can be determined that there is an anomaly in the high-voltage connection process of the battery pack, and the high-voltage connection operation steps are not standardized. This effectively improves the anomaly monitoring accuracy and efficiency of the high-voltage connection operation of the battery pack and reduces the anomaly false judgment rate.

[0131] The current operation step corresponding to the battery pack is a monitoring object that needs to be monitored for anomalies. Since multiple step markers may be set in the high-voltage connection operation area, in order to improve the efficiency and accuracy of determining the current operation step, in some embodiments, such as... Figure 3 As shown, in step S204, based on the step markers identified from the first region image, the current operation step corresponding to the battery pack is determined, including:

[0132] S302, perform step marker recognition on the first region image to determine the unoccluded markers in the first region image.

[0133] The step marker recognition refers to the process of analyzing the first region image and scanning out the step markers from the first region image. If the step markers set in the high-voltage connection operation area are not obstructed, they can be scanned and identified from the first region image. Therefore, unobstructed markers are the step markers scanned and identified from the first region image.

[0134] Understandably, multiple step markers can be set in the high-voltage connection operation area. If the current step is determined solely by the identified step markers, operators might need to obscure other step markers not corresponding to the current step, increasing the risk of unauthorized operations. Therefore, to reduce manual operations, each step marker can be placed in a position where it will be obscured during the execution of the corresponding operation step. When the high-voltage connection operation step of the battery pack is executed, the step marker corresponding to that step will be obscured. At this time, the anomaly monitoring system only needs to identify the obscured step marker to determine the current operation step of the battery pack. For example, the step marker can be placed in the tooling operation window. When the operator performs the corresponding operation step, the window will be opened, obscuring the corresponding step marker. When the high-voltage connection operation area is image-captured, only the unobscured step markers will be identified in the area image.

[0135] In some embodiments, the anomaly detection system can perform step recognition on a first region image to identify unobstructed markers in the first region image.

[0136] In some embodiments, the anomaly monitoring system is pre-configured with a marker recognition model. After obtaining the first region image, the anomaly monitoring system can input the first region image into the marker recognition model and use the marker recognition model to determine the unoccluded markers in the first region image.

[0137] In some embodiments, the anomaly monitoring system is pre-configured with feature template images of markers for each step. After obtaining the first region image, each feature template image can be matched with the first region image to determine the unoccluded markers in the first region image.

[0138] S304, if the unobstructed marker does not match the reference step marker corresponding to the high-voltage connection operation stage, the difference marker between the unobstructed marker and the reference step marker shall be identified as the target step marker that is obstructed in the high-voltage connection operation area.

[0139] The reference step markers for the high-voltage connection operation phase refer to the step markers corresponding to each of the high-voltage connection operation steps during that phase. It's understandable that when no operation steps are executed, the step markers corresponding to each high-voltage connection operation step will appear on the region image. Therefore, the step markers corresponding to each high-voltage connection operation step can be identified as reference step markers. By comparing the unobstructed markers with the reference step markers, it's possible to determine which step markers are obstructed.

[0140] Among them, the difference marker is the missing step marker compared to the baseline step marker. When an operation step is executed, the step marker corresponding to the executed high-voltage connection operation step will be obscured. In this case, the unobscured marker will lack the step marker corresponding to the executed high-voltage connection operation step compared to the baseline step marker, and it will be identified as the obscured target step marker.

[0141] In some embodiments, the anomaly monitoring system can match unobstructed markers with reference step markers corresponding to the high-voltage connection operation phase. If the unobstructed markers do not match the reference step markers, it can be assumed that a step marker in the high-voltage connection operation area is obstructed, and the corresponding high-voltage connection operation step may be executed. The difference marker between the unobstructed markers and the reference step markers is identified as the target step marker that is obstructed in the high-voltage connection operation area.

[0142] In some embodiments, the baseline step markers corresponding to the high-voltage connection operation phase can be directly uploaded to the anomaly monitoring system by the monitoring and management personnel.

[0143] In some embodiments, if the anomaly monitoring system determines that the unobstructed marker matches the baseline step marker, it indicates that none of the high-voltage connection operation steps have been executed yet. The anomaly monitoring system can then return to the step of acquiring the first area image obtained by image acquisition of the high-voltage connection operation area when the battery pack is in the high-voltage connection operation stage, and continue to monitor the operation process of the high-voltage connection operation stage for anomalies.

[0144] S306, Based on the target step marker, determine the current operation step corresponding to the battery pack.

[0145] In some embodiments, the anomaly monitoring system can determine the current operating step corresponding to the battery pack based on the target step marker.

[0146] In some embodiments, the anomaly monitoring system can identify the high-voltage connection operation step corresponding to the target step marker as the current operation step corresponding to the battery pack.

[0147] In the above embodiments, by setting the step markers at positions that will be obscured when the corresponding steps are executed, the current operation step corresponding to the battery pack can be determined by the obscuration state of the step markers. Even if multiple step markers are set in the high-voltage connection operation area, the current operation step corresponding to the battery pack can be quickly and accurately determined, effectively improving the efficiency and accuracy of determining the current operation step.

[0148] Furthermore, such as Figure 4As shown, in some embodiments, S306, based on the target step marker, the current operation step corresponding to the battery pack is determined, including:

[0149] S402, continuously acquire images of the high-voltage connection operation area according to the first preset frame number to obtain multiple frames of the second area image.

[0150] The first preset frame number is a parameter for the number of images to be acquired, set to reduce false alarms caused by the randomness of a single image. In the high-voltage connection operation area, occlusion of step markers can be caused not only by operators performing the corresponding high-voltage connection operation steps, but also by changes in lighting or temporary occlusion, such as an operator's arm temporarily obscuring the step markers. If this temporary occlusion is captured by the first area image, it may lead to a false alarm. By setting the first preset frame number and continuously acquiring images of the high-voltage connection operation area according to this first preset frame number, the risk of false alarms caused by relying solely on a single frame of the first area image to determine the current operation step corresponding to the battery pack can be effectively reduced.

[0151] In some embodiments, the first preset frame number can be determined by the designer based on factors such as the computing power of the anomaly monitoring system and the execution time of the operation steps. Understandably, the acquisition time of the first preset frame number is shorter than the execution time of the high-voltage connection operation steps. For example, the first preset frame number can be 5 frames.

[0152] In some embodiments, the anomaly monitoring system can acquire multiple frames of second region images from the image acquisition device by continuously acquiring images of the high-voltage connection operation area according to a first preset frame number.

[0153] S404, perform step marker recognition on each second region image to determine the second unoccluded marker for each second region image.

[0154] The second unobstructed marker is a step marker scanned and identified from the second region image. It is understood that the specific steps for identifying step markers in each second region image are essentially the same as those for identifying step markers in the first region image; only the first region image needs to be changed to a second region image, and will not be elaborated further here.

[0155] In some embodiments, the anomaly monitoring system may perform step marker identification for each second region image to determine a second identifiable marker for each second region image.

[0156] S406, if there are differentiating markers between each of the second unobstructed markers and the reference step markers, and all the differentiating markers are target step markers, the high-voltage connection operation step identified by the target step marker is determined as the current operation step corresponding to the battery pack.

[0157] In some embodiments, the anomaly monitoring system matches each second unobstructed marker with a reference step marker. If none of the second unobstructed markers match the reference step markers, and all the discrepancy markers are target step markers, it indicates that the target step markers have been obstructed for a long time. This obstruction is unlikely to be caused by changes in illumination or temporary obstruction. Only the execution of an operation step would result in a long-term obstruction. Therefore, it can be determined that the high-voltage connection operation step corresponding to the target step marker has been executed. The anomaly monitoring system can determine the high-voltage connection operation step identified by the target step marker as the current operation step corresponding to the battery pack.

[0158] In the above embodiments, after determining that there are occluded target step markers, the anomaly monitoring system will also acquire continuous frame images to perform secondary detection of marker occlusion, thereby reducing the risk of false alarms caused by temporary occlusion in a single frame image and improving the accuracy of anomaly monitoring and the reliability of the system.

[0159] In the above steps, the reference step marker is the reference object when performing occlusion determination. In some embodiments, such as... Figure 5 As shown, the high-voltage connection operation monitoring method for the battery pack may also include the following steps:

[0160] S502, obtain the battery pack identification information.

[0161] Among them, the battery pack identification information is information data used to uniquely identify the battery pack, which can be regarded as the digital ID card of the battery pack. The identification information can be the battery pack's unique serial number, product model, etc.

[0162] In some embodiments, when it is determined that the battery pack is in the high-voltage connection operation phase, the anomaly monitoring system can obtain the identification information of the battery pack in the high-voltage connection operation area.

[0163] In some embodiments, the battery pack identification information can be directly uploaded to the anomaly monitoring system by monitoring and management personnel.

[0164] In some embodiments, the battery pack identification information can be marked on the surface of the battery pack, and the anomaly monitoring system can collect the battery pack identification information through an image acquisition device.

[0165] S504 determines the production line to which the battery pack belongs based on the identification information.

[0166] The production line to which the battery pack belongs is the production line currently manufacturing that battery pack. Due to the diversity of battery packs, multiple production lines can be set up in a production workshop, each capable of producing different models of battery packs. The high-voltage connection operation steps required for each production line may also differ. Therefore, it is necessary to determine the production line to which the battery pack belongs.

[0167] In some embodiments, after obtaining the identification information of the battery pack, the anomaly monitoring system can determine the production line to which the battery pack belongs based on the identification information.

[0168] In some embodiments, the anomaly monitoring system can find the correspondence between preset identification information and production lines based on the identification information, and determine the production line that matches the identification information.

[0169] S506, based on the step marker information pre-configured for the production line, determines the reference step marker corresponding to the high-voltage connection operation phase of the battery pack.

[0170] The step marker information is used to characterize the reference step markers corresponding to each operation step in the high-voltage connection operation phase. Designers can pre-set corresponding reference step markers for each production line in the production workshop for each operation step that needs to be performed in the high-voltage connection operation phase, and bind each reference step marker to each operation step to obtain the step marker information.

[0171] In some embodiments, the anomaly monitoring system can call up the step marker information pre-configured for the production line, and determine the reference step marker corresponding to the battery pack in the high-voltage connection operation stage based on the reference step marker corresponding to each operation step in the high-voltage connection operation stage as represented by the step marker information.

[0172] In the above embodiments, by pre-configuring step marker information for each production line, when it is necessary to determine the baseline step marker, the production line to which the battery pack belongs is first determined based on the battery pack's identification information, and then the corresponding baseline step marker is determined based on the production line. This not only improves the efficiency and accuracy of determining the baseline step marker, but also enables the anomaly monitoring system to flexibly adapt to the operational specifications of different production lines, greatly reducing the system deployment and maintenance costs caused by differences in production lines.

[0173] In some embodiments, the step marker information is also used to characterize the operation sequence of each operation step in the high-voltage connection operation phase. The high-voltage connection operation monitoring method for the battery pack may further include the following steps: retrieving historical completed steps of the battery pack in the high-voltage connection operation phase from the operation record based on the identification information; and determining the next operation step matching the historical completed steps as the desired operation step for the battery pack based on the operation sequence of each operation step characterized by the step marker information.

[0174] The operation log is a log file used to store the operation events experienced by the battery pack during the high-voltage connection operation phase. The operation log can be used to determine the historical completed steps of the battery pack during the high-voltage connection operation phase, that is, the operation steps that the battery pack has been recorded as successfully executed during the high-voltage connection operation phase.

[0175] In some embodiments, the operation log can store each completed step of the high-voltage connection operation for each battery pack in chronological order; that is, the historical completed steps can be an ordered set of steps that have been recorded as successfully executed. In other embodiments, the operation log can also record only the operation step of the battery pack that was last recorded as successfully executed, i.e., the latest historical completed step.

[0176] In some embodiments, the anomaly monitoring system can retrieve the historical completed steps of the battery pack during the high-voltage connection operation phase from the operation record based on the identification information. Then, it compares the historical completed steps with the order of each operation step represented by the step marker information. Based on the order of each operation step, it determines the next operation step that matches the historical completed steps and identifies the next operation step as the expected operation step of the battery pack.

[0177] In the above embodiments, by determining the historical completion steps of the battery pack during the high-voltage connection operation phase, and based on the historical completion steps and the pre-configured sequence of operation steps for the production line to which the battery pack belongs, the expected operation steps of the battery pack are determined, which effectively improves the accuracy of determining the expected operation steps and provides a data basis for subsequent anomaly detection.

[0178] In addition to the high-voltage connection operation stage, the high-voltage connection process of a battery pack may also include other processing stages, such as the preparation stage before the high-voltage connection operation and the completion stage after the high-voltage connection operation is completed. The monitoring strategies used for anomaly monitoring in the high-voltage connection process may differ in different processing stages.

[0179] Based on this, in some embodiments, such as Figure 6 As shown, the high-voltage connection operation monitoring method for the battery pack may also include the following steps:

[0180] S602, acquire the third region image by real-time image acquisition of the high-voltage connection operation area.

[0181] The production line operates on a continuous process for each battery pack; therefore, the image acquisition equipment performs real-time image acquisition of the high-voltage connection operation area corresponding to the production line. The third area image is a region image frame obtained by the image acquisition equipment through real-time image acquisition of the high-voltage connection operation area.

[0182] In some embodiments, the anomaly monitoring system acquires a third area image obtained by real-time image acquisition of the high-voltage connection operation area by the image acquisition device.

[0183] S604, if the battery pack is identified in the third region image, determine the motion state of the battery pack.

[0184] The anomaly detection system needs to identify the battery pack in the third region image to determine whether a battery pack exists in the third region image. Understandably, the anomaly detection system can determine the presence of a battery pack in the third region image if it identifies some battery pack features, or it can determine the presence of a battery pack only if it identifies the entire battery pack feature.

[0185] In some embodiments, the anomaly monitoring system is pre-configured with a trained battery pack recognition model. After obtaining the third region image, the anomaly monitoring system can input the third region image into the battery pack recognition model and use the battery pack recognition model to determine whether a battery pack exists in the third region image.

[0186] In some embodiments, the anomaly monitoring system can use a target detection algorithm to locate and select the battery pack in a third region image to determine whether the battery pack exists in the third region image.

[0187] The motion state of the battery pack is a state attribute used to characterize the movement of the battery pack in the high-voltage connection operation area. The motion state of the battery pack can include a stationary state and a moving state.

[0188] In some embodiments, the anomaly detection system can acquire multiple frames of region images continuously after obtaining a third region image, and identify the battery pack coordinates in the multiple frames of region images to obtain a set of battery pack coordinates. If the coordinates of the battery pack are determined to be continuously changing based on the coordinate set, the battery pack is determined to be in a continuous motion state. If the coordinates of the battery pack are determined to remain unchanged, the battery pack is determined to be in a stationary state.

[0189] In some embodiments, the anomaly monitoring system can identify the battery pack in the acquired third region image. If the battery pack is identified in the third region image, the motion state of the battery pack can be determined based on the continuous frames of the third region image that have a continuous acquisition relationship with the current third region image.

[0190] S606, based on the motion state of the battery pack, determines the processing stage of the battery pack during the high-voltage connection process; the processing stage includes the high-voltage connection operation stage.

[0191] Among them, the processing stage in the high-voltage connection process refers to a specific sub-state or sub-stage of the battery pack in the complete workflow of the high-voltage connection process. The processing stage can indicate whether the battery pack is currently being operated, waiting, or circulating.

[0192] In some embodiments, the processing stages of the high-voltage connection process may include, but are not limited to, the battery pack entry stage, the high-voltage connection operation stage, and the battery pack exit stage. The battery pack entry stage is the initial preparation stage of the high-voltage connection process, referring to the entire process from when the battery pack arrives at the high-voltage connection operation area via the conveyor line and is identified by the system until all pre-operation preparations are completed. The high-voltage connection operation stage is the core execution stage of the high-voltage connection process, referring to the specific work stage where, after the battery pack is secured and confirmed to be ready, operators perform all physical connections and electrical conductions of high-voltage components according to strict process specifications. The battery pack exit stage is the final handover stage of the high-voltage connection process, referring to the entire process of removing the battery pack from the current high-voltage connection operation area and sending it to the next process step after the high-voltage connection operation is completed.

[0193] The battery pack may be in different states of motion at different processing stages. For example, the battery pack is generally stationary during the high-voltage connection operation stage, and generally in motion during the battery pack entry and exit stages.

[0194] In some embodiments, after determining the motion state of the battery pack, the anomaly monitoring system can determine the current processing stage of the battery pack in the high-voltage connection process based on the battery pack's motion state and the motion characteristics of the battery pack in each processing stage during the high-voltage connection operation. It is understood that the processing stage includes the high-voltage connection operation stage mentioned in the above embodiments.

[0195] In some embodiments, the battery pack can be determined to be in the high-voltage connection operation phase even when the battery pack is in a static state.

[0196] S608 performs anomaly monitoring on the high-voltage connection process of the battery pack in accordance with an anomaly monitoring strategy that matches the processing stage.

[0197] The anomaly monitoring strategy is a set of rule algorithms for detecting anomalies during the processing phase. It is understood that different anomaly monitoring strategies correspond to different processing phases in the high-voltage connection process. For example, during the high-voltage connection operation phase, the operation step anomaly monitoring strategy described in the above embodiments can be used to monitor for anomalies in the high-voltage connection operation. During the battery pack entry phase, a corresponding entry anomaly monitoring strategy can be used to monitor for anomalies in the high-voltage connection process.

[0198] In some embodiments, after determining the processing stage of the battery pack, the anomaly monitoring system can determine an anomaly monitoring strategy that matches the processing stage, and perform anomaly monitoring on the high-voltage connection process of the battery pack according to the anomaly monitoring strategy.

[0199] In some embodiments, the anomaly monitoring system can look up the pre-configured mapping relationship between strategies and stages based on the stage identifier of the processing stage, and determine the monitoring strategy that matches the stage identifier as the anomaly monitoring strategy that matches the processing stage.

[0200] In the above embodiments, corresponding anomaly monitoring strategies are pre-configured for different processing stages of the high-voltage connection process. The anomaly monitoring system first determines the processing stage of the battery pack, and then uses the anomaly monitoring strategy that matches the processing stage to perform anomaly monitoring on the high-voltage connection process. This can match the anomaly monitoring process with the actual processing stage of the battery pack, effectively improving the accuracy of anomaly monitoring.

[0201] In some embodiments, S606, determining the processing stage of the battery pack during the high-voltage connection process based on the battery pack's motion state includes: when the battery pack is stationary, performing operation marker recognition on a third region image to determine operation stage indicator markers in the third region image. If the operation stage indicator marker matches a reference operation marker corresponding to a high-voltage connection operation stage, it is determined that the battery pack is in the high-voltage connection operation stage.

[0202] Operation markers are specific markers used to determine whether the battery pack is in the high-voltage connection operation phase. Operation markers can be specialized tools used when performing high-voltage connection operations on the battery pack. For example, operation markers may include fixtures used for fixing or assisting in high-voltage connection operations, and / or tools used by operators, such as gloves.

[0203] The presence of operational markers in the high-voltage connection operation area indicates that the battery pack is already in the high-voltage connection operation phase, and the operator will perform high-voltage connection operations on the battery pack. Understandably, the anomaly monitoring system can identify operational markers in the third-region image using a pre-configured marker recognition model or algorithm.

[0204] Among them, the operation phase indicator markers are the operation markers that appear in the high-voltage connection operation area when acquiring the third region image. The reference operation markers corresponding to the high-voltage connection operation phase refer to the operation markers that should appear in the high-voltage connection operation area during the high-voltage connection operation phase.

[0205] In some embodiments, when the anomaly monitoring system determines that the battery pack is in a stationary state, it can identify operation markers in the third region image, identify operation stage indicator markers in the third region image, and match the operation stage indicator markers with the reference operation markers corresponding to the high-voltage connection operation stage. If the operation stage indicator markers match the reference operation markers corresponding to the high-voltage connection operation stage, it is determined that the battery pack is in the high-voltage connection operation stage.

[0206] In some embodiments, the baseline operation markers corresponding to the high-voltage connection operation phase can be directly uploaded to the anomaly monitoring system by the monitoring and management personnel.

[0207] In some embodiments, the anomaly monitoring system can determine the reference operation marker corresponding to the high-voltage connection operation stage of the battery pack based on the production line to which the battery pack belongs.

[0208] In some embodiments, the operation phase indicator markers are determined to match the baseline operation markers if the type, color, and quantity of the indicator markers all match the baseline operation markers. For example, if the baseline operation markers include the operator's red gloves and the fixtures used in high-voltage connection operations, then the operation phase indicator markers can only be determined to match the baseline operation markers if the red gloves and the fixtures are identified in the third area image. If only the red gloves or the fixtures are identified, or if only the green gloves and the fixtures are identified, it can only be determined that the operation phase indicator markers do not match the baseline operation markers.

[0209] In the above embodiments, when the battery pack is in a stationary state, the anomaly monitoring system also needs to combine the matching of the operation stage indicator markers identified in the third region image with the reference operation markers to determine whether the battery pack is in the high-voltage connection operation stage. This effectively improves the accuracy of determining the high-voltage connection operation stage and provides an accurate monitoring stage for subsequent anomaly monitoring.

[0210] In other embodiments, the processing phase further includes a battery pack entry phase and a battery pack exit phase, such as... Figure 7 As shown, S606, based on the motion state of the battery pack, determines the processing stage of the battery pack during the high-voltage connection process, including:

[0211] S702, when the battery pack is in a continuous motion state, acquire historical region images of a second preset number of frames that were continuously acquired before the third region image.

[0212] Among them, the continuous motion state refers to the state in which the battery pack is in a non-stationary, continuously moving state.

[0213] The second preset frame number is a parameter used to specify the number of historical images to be acquired that need to be traced. Since the battery pack is in continuous motion during both the battery pack entry and exit phases, the continuous changes of the battery pack within the high-voltage connection operation area differ between these two phases. Therefore, it is necessary to trace multiple consecutive frames of historical area images acquired before the third area image to determine the continuous changes of the battery pack within the high-voltage connection operation area.

[0214] In some embodiments, when the anomaly monitoring system determines that the battery pack is in a continuous motion state, it can acquire historical region images of a second preset number of consecutive frames acquired before the third region image. It is understood that the second preset number of frames can be determined by the designer based on factors such as the computing power of the anomaly monitoring system, the duration of the battery pack entering the phase, and the duration of the battery pack leaving the phase; for example, the second preset number of frames could be 10 frames.

[0215] S704 performs battery pack identification on each historical region image.

[0216] In some embodiments, the anomaly monitoring system can perform battery pack identification for each historical area image.

[0217] S706, when the battery pack is included in the images of each historical region, the processing stage of the battery pack during the high-voltage connection process is determined to be the battery pack departure stage.

[0218] The fact that each historical region image contains a battery pack indicates that the battery pack was present in the high-voltage connection operation area throughout the continuous motion period. This situation can only occur during the battery pack leaving stage, that is, when the battery pack was in the high-voltage connection operation stage in the previous processing stage, it will always be in the high-voltage connection operation area.

[0219] In some embodiments, if the anomaly monitoring system determines that the battery pack is identified in every historical area image, the processing stage of the battery pack during the high-voltage connection process can be defined as the battery pack departure stage.

[0220] S708, if any frame of the historical region image in each historical region image does not contain the battery pack, the processing stage of the battery pack in the high-voltage connection process is determined as the battery pack entry stage.

[0221] In particular, if any frame of any historical region image does not contain the battery pack, it indicates that the continuous movement of the battery pack is a process from not entering the high-voltage connection operation area to entering the high-voltage connection operation area, and the battery pack is in the battery pack entry stage.

[0222] In some embodiments, if the anomaly monitoring system determines that any frame of a historical region image in each historical region image does not contain the battery pack, it determines that the processing stage of the battery pack during the high-voltage connection process is the battery pack entry stage.

[0223] In the above embodiments, when the battery pack is in a continuous motion state, the anomaly monitoring system identifies the battery pack by analyzing the previous several frames of historical region images of the third region image. Based on the battery pack identification results, it determines whether the battery pack is in the battery pack entry stage or the battery pack exit stage. Through time series analysis, the rigor and accuracy of the anomaly monitoring system's stage judgment are effectively improved.

[0224] In some embodiments, S608, anomaly monitoring is performed on the high-voltage connection process of the battery pack according to an anomaly monitoring strategy matched with the processing stage, including: identifying stage markers in a third region image to determine stage marker information in the third region image; the feature intensity of the stage marker in the third region image is greater than a second preset feature intensity threshold. Based on the comparison result between the stage marker information and the baseline stage marker information corresponding to the processing stage, the anomaly monitoring result of the high-voltage connection process of the battery pack is determined.

[0225] The stage markers are specific markers used to determine whether there are any abnormalities in the high-voltage connection process during the battery pack entry and exit stages. The feature intensity of the stage markers in the third region image is greater than a second preset feature intensity threshold.

[0226] Understandably, the stage markers needed to identify during high-voltage connection process anomaly monitoring in both the battery pack entry and exit stages are the same; the only difference is that the state of the stage markers differs in different stages, such as in quantity, location, or color.

[0227] The stage marker information can be used to characterize the state of stage markers in the third region image. The baseline stage marker information corresponding to the processing stage is used to represent the marker state that should exist under normal circumstances during the high-voltage connection process in the current processing stage.

[0228] In some embodiments, the anomaly monitoring system can identify stage markers in a third region image, determine stage marker information in the third region image, compare the stage marker information with the baseline stage marker information corresponding to the processing stage, and determine the anomaly monitoring result of the high-voltage connection process of the battery pack based on the comparison result.

[0229] In some embodiments, the anomaly monitoring system can determine that the operation of the high-voltage connection process in the current processing stage is in compliance with specifications and there are no anomalies, provided that the stage marker information is consistent with the baseline stage marker information.

[0230] In other embodiments, the anomaly monitoring system can determine that there is an anomaly in the high-voltage connection process of the battery pack when the stage marker information is inconsistent with the baseline stage marker information.

[0231] In the above embodiments, when the battery pack is in the battery pack entry stage or the battery pack exit stage, the abnormal monitoring result of the battery pack in the high-voltage connection process can be determined by comparing the stage marker information identified in the third region image with the baseline stage marker information corresponding to the processing stage. Since the feature intensity of the stage marker is greater than the second preset feature intensity threshold, the identification complexity of the stage marker can be effectively reduced, the identification accuracy of the stage marker can be improved, and thus the accuracy of abnormal monitoring can be improved.

[0232] In some embodiments, the stage marker information includes the number and location of stage markers. The high-voltage connection operation monitoring method for the battery pack further includes: when the location and number of stage markers are consistent with the location and number of reference stage markers, determining that the stage marker information is consistent with the reference stage marker information corresponding to the processing stage.

[0233] In some embodiments, the anomaly monitoring system can compare the position and quantity of stage markers with the position and quantity of baseline stage markers, respectively. If the position and quantity are consistent, the system determines that the stage marker information is consistent with the baseline stage marker information corresponding to the process.

[0234] Taking the protective covers of each terminal in the battery pack as the stage markers as an example, the number of protective covers in the high-voltage connection operation area should strictly correspond to the number of terminals on the battery pack. However, if only the number of protective covers is detected, false alarms may occur due to the presence of other invalid protective covers in the high-voltage connection operation area. Therefore, in order to reduce the probability of false alarms in anomaly monitoring, the anomaly monitoring system will simultaneously determine whether the location and number of identifiable protective covers are consistent with the location and number of reference protective covers. If the location and data of identifiable protective covers are consistent with the location and number of reference protective covers, it can be determined that there are no anomalies in the high-voltage connection process of the current processing stage, and it complies with the operating specifications.

[0235] In other embodiments, if the location or number of stage markers is inconsistent with the location or number of baseline stage markers, the anomaly monitoring system determines that the stage marker information is inconsistent with the baseline stage marker information corresponding to the process.

[0236] In the above embodiments, by comparing the position and quantity of the stage markers with the position and quantity of the baseline stage markers, the false alarm probability of anomaly monitoring can be reduced and the monitoring accuracy of anomaly monitoring can be improved.

[0237] In addition to comparing the position and quantity, in order to further distinguish between the battery pack entry stage and the battery pack exit stage, in some embodiments, the stage marker information includes the quantity, position and color of the stage markers. The high-voltage connection operation monitoring method for the battery pack also includes: when the quantity, position and color of the stage markers are consistent with the quantity, position and color of the reference stage markers, determining that the stage marker information is consistent with the reference stage marker information corresponding to the battery pack entry stage.

[0238] The color of the reference stage marker for the battery pack entering the stage differs from the color of the reference stage marker for the battery pack leaving the stage. In other words, the stage markers configured for the battery pack entering and leaving stages are not the same color. By setting different colored stage markers, the processing stage of the battery pack can be further determined. Taking a protective cover as an example, the protective cover can be set to dark blue during the battery pack entering stage and bright orange during the battery pack leaving stage. This facilitates the anomaly monitoring system in distinguishing the processing stages of the battery pack and also helps on-site operators determine whether the battery pack has been processed.

[0239] In some embodiments, the anomaly monitoring system can compare the quantity, location, and color of stage markers with those of reference stage markers. If the quantity, location, and color of the stage markers match those of the reference stage markers, it is determined that the stage marker information matches the reference stage marker information corresponding to the battery pack entry stage. For example, in the battery pack entry stage, if the location and number of identifiable protective covers match those of the reference protective covers, and both are dark blue, it can be determined that the operation during the battery pack entry stage is in compliance with regulations and there are no anomalies. Similarly, in the battery pack exit stage, if the location and number of identifiable protective covers match those of the reference protective covers, and both are bright orange, it can be determined that the operation during the battery pack exit stage is in compliance with regulations and there are no anomalies.

[0240] In other embodiments, if the number, location, or color of the determined stage markers is inconsistent with the number, location, or color of the reference markers, the anomaly monitoring system determines that the stage marker information is inconsistent with the reference stage marker information corresponding to the battery pack entering the stage.

[0241] In the above embodiments, by comparing the position, quantity, and color of the stage markers with the position, quantity, and color of the baseline stage markers, it is possible not only to reduce the false alarm probability of anomaly monitoring and improve the monitoring accuracy of anomaly monitoring, but also to further assist the system and operators in accurately identifying the processing stage of the battery pack.

[0242] The above embodiments illustrate how to determine whether the operation in the processing stage complies with the specifications. However, the judgment methods for the abnormal monitoring results are different for the battery pack entry stage and the battery pack exit stage.

[0243] In some embodiments, when the processing phase is the battery pack entry phase, such as Figure 8 As shown, based on the comparison results between the stage marker information and the baseline stage marker information corresponding to the processing stage, the abnormal monitoring results of the high-voltage connection process of the battery pack are determined, including:

[0244] S802, if the stage marker information is inconsistent with the baseline stage marker information corresponding to the battery pack entering the stage, acquire the fourth region image, which is continuously acquired for the third preset number of frames after the third region image.

[0245] The third preset frame number is a parameter set to reduce the number of images acquired during the battery pack entry phase due to the randomness of a single image. During this phase, temporary anomalies may occur in the phase markers in the high-voltage connection operation area due to operator obstruction or accidental touch. If such an anomaly is captured by the third region image, it could lead to a false alarm. By acquiring a fourth region image, which is then continuously acquired for the third preset frame number after the third region image, the risk of false alarms caused by relying solely on a single frame of the third region image for anomaly detection during the battery pack entry phase can be effectively reduced.

[0246] In some embodiments, the third preset frame number can be determined by the designer based on factors such as the computing power of the anomaly monitoring system and the duration of the battery pack entry phase. It is understood that the acquisition duration of the third preset frame number is shorter than the duration of the battery pack entry phase. For example, the third preset frame number can be 5 frames.

[0247] In some embodiments, if the stage marker information is inconsistent with the baseline stage marker information corresponding to the battery pack entering the stage, the anomaly monitoring system can acquire a fourth region image that is continuously acquired for a third preset number of frames after the third region image.

[0248] S804, perform stage marker recognition on each fourth region image to obtain the second stage marker information corresponding to each fourth region image.

[0249] The second-stage marker information refers to the stage marker information that appears in the high-voltage connection operation area when the fourth region image is acquired.

[0250] In some embodiments, the anomaly monitoring system can perform stage marker identification on each fourth region image to obtain the second stage marker information corresponding to each fourth region image.

[0251] S806, if the information of each second-stage marker is inconsistent with the information of the benchmark marker corresponding to the battery pack entering the stage, it is determined that there is an anomaly in the high-voltage connection process of the battery pack.

[0252] In some embodiments, the anomaly monitoring system can compare the information of each second-stage marker with the information of the benchmark marker corresponding to the battery pack entering the stage. If the information of each second-stage marker is inconsistent with the information of the benchmark marker corresponding to the battery pack entering the stage, it indicates that the anomaly is not a temporary anomaly, but a substantial anomaly caused by non-standard operation. The anomaly monitoring system can determine that there is an anomaly in the high-voltage connection process of the battery pack.

[0253] In the above embodiments, when the phase marker information of the third region image is inconsistent with the baseline phase marker information corresponding to the battery pack entry phase during the battery pack entry phase, the anomaly monitoring system will continue to perform secondary detection of phase marker anomalies based on each of the fourth region images continuously acquired after the third region image. This reduces the risk of false alarms caused by temporary anomalies in a single frame image, and improves the accuracy of anomaly monitoring and the reliability of the system.

[0254] In some embodiments, where the processing phase is the battery pack departure phase, such as Figure 9 As shown, based on the comparison results between the stage marker information and the baseline stage marker information corresponding to the processing stage, the abnormal monitoring results of the high-voltage connection process of the battery pack are determined, including:

[0255] S902, if the stage marker information is inconsistent with the reference stage marker information corresponding to the battery pack leaving stage, acquire the fifth region image, which is continuously acquired for a fourth preset number of frames before the third region image.

[0256] The fourth preset frame number is a parameter set to reduce the number of images acquired during the battery pack departure phase due to the randomness of a single image. During this phase, temporary anomalies may occur in the phase markers in the high-voltage connection operation area due to operator obstruction or accidental touch. If such an anomaly is captured by the third region image, it could lead to a false alarm. By acquiring the fifth region image, which is a fourth preset frame number of consecutively acquired before the third region image, the risk of false alarms caused by relying solely on a single frame of the third region image for anomaly detection during the battery pack departure phase can be effectively reduced.

[0257] In some embodiments, the fourth preset frame number can be determined by the designer based on factors such as the computing power of the anomaly monitoring system and the duration of the battery pack departure phase. It is understood that the acquisition duration of the fourth preset frame number is shorter than the duration of the battery pack departure phase. For example, the fourth preset frame number can be 5 frames.

[0258] In some embodiments, if the stage marker information is inconsistent with the baseline stage marker information corresponding to the battery pack departure stage, the anomaly monitoring system can acquire a fifth region image that has been continuously acquired for a fourth preset number of frames before the third region image.

[0259] S904, perform stage marker recognition on each fifth region image to obtain the third stage marker information corresponding to each fifth region image.

[0260] The third stage marker information refers to the stage marker information that appears in the high-voltage connection operation area when the fifth area image is acquired.

[0261] In some embodiments, the anomaly monitoring system can perform stage marker identification on each fifth region image to obtain the third stage marker information corresponding to each fifth region image.

[0262] S906, if the information of each third-stage marker is inconsistent with the information of the baseline marker, it is determined that there is an anomaly in the high-voltage connection process of the battery pack.

[0263] In some embodiments, the anomaly monitoring system can compare the information of each third-stage marker with the information of the baseline stage marker corresponding to the battery pack leaving stage. If the information of each third-stage marker is inconsistent with the information of the baseline stage marker corresponding to the battery pack leaving stage, it indicates that the anomaly is not a temporary anomaly, but a substantial anomaly caused by non-standard operation. The anomaly monitoring system can then determine that there is an anomaly in the high-voltage connection process of the battery pack.

[0264] In the above embodiments, when the phase marker information of the third region image is inconsistent with the baseline phase marker information corresponding to the battery pack leaving phase during the battery pack entry phase, the anomaly monitoring system will continue to perform secondary detection of phase marker anomalies based on each of the fifth region images continuously collected before the third region image. This reduces the risk of false alarms caused by temporary anomalies in a single frame image, and improves the accuracy of anomaly monitoring and the reliability of the system.

[0265] In some embodiments, a high-voltage connection operation monitoring method for battery packs is provided, applied in a high-voltage connection production scenario for battery packs. Designers pre-modify the tooling in the high-voltage connection operation area to adapt it. Based on the high-voltage connection operation specifications of each production line, the number of baseline operation steps for each production line is determined, such as 4 steps, 6 steps, etc. A unique numerical identifier is assigned to each step, and each numerical identifier strictly matches the actual operation sequence of the high-voltage connection operation steps. Furthermore, to enhance the recognition accuracy of the identification model configured in the anomaly monitoring system, each numerical identifier is distinguished by a distinct color, such as red, blue, and green. Each numerical identifier is positioned above the operation window corresponding to the step, such as... Figure 10 As shown. When an operator performs a certain operation step on the pole, the corresponding operation window will open. The numerical indicator at the top of the window will be obscured, and the anomaly monitoring system can determine the current operation step by observing the obscured numerical indicator.

[0266] Furthermore, the number and location of protective covers in the high-voltage connection operation area strictly correspond to the number and location of terminals on the battery pack on site, and different colored protective covers are selected to distinguish the different states of the battery pack entering and leaving the high-voltage connection operation area. The protective cover is dark blue when entering the high-voltage connection operation area and before operation, and bright orange when the operation is completed and when leaving the high-voltage connection operation area.

[0267] To improve accuracy and efficiency, the anomaly monitoring system is equipped with a pre-trained marker recognition model. During model training, designers deploy cameras in a real production line environment to continuously record the entire high-voltage connection process. For various anomalies, on-site personnel simulate and record videos to reproduce typical violations, including missing protective covers, incorrect operating sequences, and opening multiple tooling windows simultaneously, ensuring sufficient sample data for each type of violation. Subsequently, all collected raw videos undergo manual annotation, meticulously labeling all objects requiring identification within the videos. This process employs a dual-person review mechanism, with annotation consistency exceeding 90% before data is used.

[0268] In terms of model training, an initial recognition model is built based on the YOLOv5 architecture, and the confidence level of the markers to be recognized is screened to ensure the accuracy of recognition. The recognition results are then input into the algorithm logic, and logical judgments are made based on the recognized markers to determine whether there are any violations.

[0269] The high-voltage connection operation monitoring method for battery packs can specifically include four parts. The first part is the stage judgment part, which is used to determine the processing stage of the battery pack during the high-voltage connection process. The second part is collectively referred to as the anomaly monitoring part, which includes anomaly monitoring for the battery pack entry stage, anomaly monitoring for the operation stage, and anomaly monitoring for the battery pack exit stage. The method steps for each part are described below:

[0270] like Figure 11 As shown, the stage determination section may include the following steps:

[0271] S1101, acquire the third region image obtained by real-time image acquisition of the high-voltage connection operation area.

[0272] S1102, if the battery pack is identified in the third region image, determine the motion state of the battery pack.

[0273] S1103, when the battery pack is in a stationary state, the operation marker is identified in the third region image to determine the operation stage indicator marker in the third region image.

[0274] The anomaly monitoring system, after obtaining the third region image, can input the third region image into a pre-set marker recognition model to determine the operation stage indicator markers in the third region image.

[0275] S1104, if the operation phase indicator marker matches the reference operation marker corresponding to the high-voltage connection operation phase, the battery pack is determined to be in the high-voltage connection operation phase.

[0276] Specifically, during the high-voltage connection operation of the battery pack, operators need to wear red gloves and use tooling to assist in the operation. Therefore, the reference operation markers may include red gloves and auxiliary tooling.

[0277] In some embodiments, the high-voltage connection operation phase of the battery pack can be further divided into a preparation sub-phase, an operation sub-phase, and a completion sub-phase. When the battery pack is stationary and the operation phase indicator matches the reference operation indicator, the battery pack is determined to be in the operation sub-phase. If the battery pack is stationary but the operation phase indicator does not match the reference operation indicator, the anomaly monitoring system can further determine the sub-phase the battery pack is in.

[0278] In some embodiments, the anomaly monitoring system can acquire the battery pack's operation records and determine the battery pack's sub-stage identifier. If the sub-stage identifier is 1, the battery pack is determined to be in the completion sub-stage; if the sub-stage identifier is 0, the battery pack is determined to be in the preparation sub-stage. It is understood that after determining that the battery pack is in the operation sub-stage, the anomaly monitoring system can modify the battery pack's sub-stage identifier to 1 to facilitate sub-stage identification.

[0279] S1105, when the battery pack is in a continuous motion state, acquire 10 consecutive historical region images acquired before the third region image.

[0280] S1106, For each historical region image, perform battery pack identification on the historical region image.

[0281] S1107, when the battery pack is included in the images of each historical region, the processing stage of the battery pack during the high-voltage connection process is determined to be the battery pack departure stage.

[0282] S1108, if any frame in the historical region images does not contain the battery pack, determine the processing stage of the battery pack in the high-voltage connection process as the battery pack entry stage.

[0283] After determining the processing stage of the battery pack, different anomaly monitoring strategies will be used to monitor the high-voltage connection process for different processing stages.

[0284] like Figure 12 As shown, the abnormal monitoring section for the battery pack entering the stage includes the following steps:

[0285] S1201, perform protective cover recognition on the third region image to determine the number, position and color of the protective covers in the third region image.

[0286] The anomaly monitoring system can input the third region image into the marker recognition model to determine the number, location, and color of the protective covers in the third region image.

[0287] S1202: If the number, position, and color of the protective cover are inconsistent with the number, position, and color of the reference protective cover corresponding to the battery pack entry stage, acquire 5 consecutive frames of fourth region images after the third region image.

[0288] S1203, perform protective cover recognition on each fourth region image to obtain the number, position and color of the second protective cover corresponding to each fourth region image.

[0289] S1204, compare the number, position and color of each second protective cover with the number, position and color of the reference protective cover corresponding to the battery pack entering the stage, and obtain the first comparison result.

[0290] S1205, if the first comparison results indicate that each of the second protective covers is inconsistent with the reference protective cover, it is determined that there is an anomaly in the battery pack entering the stage.

[0291] When it is determined that the battery pack is entering the production line, the anomaly monitoring system will immediately detect the number and location of the parallel blue protective covers. The detected number and location of the blue protective covers will be compared with the color, number and location of the reference protective covers in the battery pack leaving production line. If the color, number or location of the blue protective covers does not match the color, number or location of the reference protective covers, it will be marked as an anomaly.

[0292] like Figure 13 As shown, the anomaly monitoring section during the operation phase includes the following steps:

[0293] S1301, when the battery pack is in the high-voltage connection operation stage, acquire a first area image obtained by image acquisition of the high-voltage connection operation area.

[0294] S1302, perform digital identifier recognition on the first region image to determine the unobstructed digital identifiers in the first region image.

[0295] S1303, when the unobstructed digital identifier does not match the reference digital identifier, determine the obstructed target digital identifier in the high-voltage connection operation area.

[0296] The anomaly monitoring system compares the unobstructed digital identifier with the reference digital identifier. If the unobstructed digital identifier matches the reference digital identifier, the high-voltage connection operation is normal and complies with operating procedures. If the unobstructed digital identifier does not match the reference digital identifier, the system identifies the obstructed target digital identifier in the high-voltage connection operation area.

[0297] S1304 performs continuous image acquisition on the high-voltage connection operation area, obtaining 5 frames of the second region image.

[0298] S1305, perform digital identifier recognition on each second region image to determine the second unoccluded digital identifier for each second region image.

[0299] S1306, if there is no match between each of the second unobstructed digital identifiers and the reference digital identifier, and all the mismatched digital identifiers are target digital identifiers, the operation step corresponding to the target digital identifier is determined as the current operation step of the battery pack.

[0300] In some embodiments, if a second unoccluded digit identifier that matches the reference digit identifier exists, execution returns to step S1301.

[0301] S1307, based on the battery pack's identification information, retrieve the historical completion steps of the battery pack during the high-voltage connection operation phase from the operation record.

[0302] S1308, based on the sequence of operation steps in the high-voltage connection operation stage, determines the next operation step that matches the historical completed steps as the expected operation step of the battery pack.

[0303] S1309, If the current operating procedure does not match the expected operating procedure of the battery pack, it is determined that there is an anomaly in the high-voltage connection operation stage of the battery pack.

[0304] The anomaly monitoring system will begin full-process monitoring after the battery pack enters the operation phase and continue until the exit phase begins. This entire process falls under the scope of employee operation. Common violations during the preparation and completion sub-phases include simultaneously opening multiple tooling windows. Since operating on multiple terminals simultaneously poses significant safety hazards, potentially leading to fires or other serious accidents, the anomaly monitoring system will implement a strict parallel operation protection mechanism. This involves continuously monitoring for digital identifier obstruction from the moment the auxiliary tooling appears on the screen, ensuring that the "single digital identifier obstruction" principle is always met. This monitoring covers the entire operation phase from preparation to completion. When the battery pack is in the operation sub-phase, i.e., when the red glove and auxiliary tooling appear simultaneously, the anomaly monitoring system will activate its sequence compliance monitoring function, recording and intelligently analyzing the obstruction sequence of the digital identifiers.

[0305] like Figure 14 As shown, the abnormal monitoring section during the battery departure phase includes the following steps:

[0306] S1401, perform protective cover recognition on the third region image to determine the number, position and color of the protective covers in the third region image.

[0307] S1402, if the number, position, and color of the protective cover are inconsistent with the number, position, and color of the reference protective cover corresponding to the battery pack leaving stage, acquire 5 consecutive frames of fifth region images acquired before the third region image.

[0308] S1403, perform protective cover recognition on each fifth region image to obtain the number, position and color of the third protective cover corresponding to each fifth region image.

[0309] S1404, compare the number, position and color of each third protective cover with the number, position and color of the reference protective cover corresponding to the battery pack leaving stage to obtain the second comparison result.

[0310] S1405, if the second comparison results indicate that each third protective cover is inconsistent with the reference protective cover, it is determined that there is an anomaly in the battery pack departure stage.

[0311] In the event that the battery pack is leaving the production line, the anomaly monitoring system will immediately detect the number and location of the bright orange protective covers. The detected number and location of the bright orange protective covers will be compared with the color, number and location of the reference protective covers in the battery pack leaving stage of the production line. If the color, number or location of the bright orange protective covers does not match the color, number or location of the reference protective covers, it will be marked as an anomaly.

[0312] To improve monitoring accuracy during the battery pack entry and exit phases, the anomaly monitoring system employs a historical data analysis mechanism. A final alarm is only triggered when the protective cover's abnormal state persists across multiple consecutive checks. This buffered design effectively avoids false alarms caused by temporary viewing angle deviations or occasional obstructions, significantly reducing the workload for on-site personnel while ensuring that critical anomalies are reliably captured. Through this intelligent fault-tolerant processing, the system maintains high detection accuracy while significantly improving practicality and user experience.

[0313] In some embodiments, when an anomaly is detected during the high-voltage connection process, i.e., a violation of operating procedures, the anomaly monitoring system will activate an alarm device matched to the high-voltage connection operation area. The alarm device can use on-site voice broadcasting, directly connected to the anomaly monitoring system via a low-latency communication protocol. When the anomaly monitoring system detects a violation, it can notify on-site personnel with a clear and unambiguous voice prompt, such as "Warning! Incorrect operation sequence, please stop work immediately!" On-site personnel can use this immediate intervention mechanism to promptly stop work and investigate, transforming the traditional post-event traceability safety management model into pre-event prevention, effectively reducing the incidence of safety accidents caused by operational errors.

[0314] In some embodiments, the anomaly monitoring system can push violation information and violation images to the corresponding monitoring and management terminal, such as an internal enterprise application, and finally automatically generate a structured event record, including timestamp, violation type, environmental parameters, and log records within a few seconds before and after.

[0315] It should be understood that although the steps in the flowcharts of the embodiments described above are shown sequentially according to the arrows, these steps are not necessarily executed in the order indicated by the arrows. Unless explicitly stated herein, there is no strict order restriction on the execution of these steps, and they can be executed in other orders. Moreover, at least some steps in the flowcharts of the embodiments described above may include multiple steps or multiple stages. These steps or stages are not necessarily completed at the same time, but can be executed at different times. The execution order of these steps or stages is not necessarily sequential, but can be performed alternately or in turn with other steps or at least some of the steps or stages of other steps.

[0316] Based on the same inventive concept, this application also provides a high-voltage connection operation monitoring device for a battery pack, used to implement the high-voltage connection operation monitoring method for the battery pack described above. The solution provided by this device is similar to the solution described in the above method. Therefore, the specific limitations of one or more embodiments of the high-voltage connection operation monitoring device for a battery pack provided below can be found in the limitations of the high-voltage connection operation monitoring method for a battery pack described above, and will not be repeated here.

[0317] In some embodiments, such as Figure 15 As shown, a high-voltage connection operation monitoring device 1500 for a battery pack is provided, including: an image acquisition module 1501, an operation step determination module 1502, and an anomaly monitoring module 1503, wherein:

[0318] The image acquisition module 1501 is used to acquire a first area image of the high-voltage connection operation area when the battery pack is in the high-voltage connection operation stage.

[0319] The operation step determination module 1502 is used to determine the current operation step corresponding to the battery pack based on the step markers identified from the first region image. The step markers are set in the high-voltage connection operation area to identify the high-voltage connection operation steps of the battery pack. The feature intensity of the step markers in the first region image is greater than a first preset feature intensity threshold.

[0320] The anomaly monitoring module 1503 is used to determine that there is an anomaly in the high-voltage connection process of the battery pack when the current operation steps do not match the expected operation steps of the battery pack.

[0321] In some embodiments, the operation step determination module 1502 is configured to: identify step markers in a first region image and determine unobstructed markers in the first region image; when a high-voltage connection operation step of the battery pack is executed, the step markers corresponding to the executed high-voltage connection operation step are obstructed; when the unobstructed markers do not match the reference step markers corresponding to the high-voltage connection operation stage, determine the difference markers between the unobstructed markers and the reference step markers as the target step markers obstructed in the high-voltage connection operation area; and determine the current operation step corresponding to the battery pack based on the target step markers.

[0322] In some embodiments, the operation step determination module 1502 is configured to: continuously acquire images of the high-voltage connection operation area according to a first preset frame number to obtain multiple frames of second region images; identify step markers for each second region image to determine the second unobstructed markers for each second region image; and determine the high-voltage connection operation step identified by the target step marker as the current operation step corresponding to the battery pack when there are difference markers between each second unobstructed marker and the reference step marker, and the difference markers are all target step markers.

[0323] In some embodiments, the high-voltage connection operation monitoring device 1500 for the battery pack further includes:

[0324] The identification information acquisition module is used to acquire the identification information of the battery pack.

[0325] The production line determination module is used to determine the production line to which the battery pack belongs based on the identification information.

[0326] The baseline step marker determination module is used to determine the baseline step marker corresponding to the battery pack in the high-voltage connection operation stage based on the step marker information pre-configured for the production line; the step marker information is used to characterize the baseline step marker corresponding to each operation step in the high-voltage connection operation stage.

[0327] In some embodiments, the step marker information is also used to characterize the operational sequence of each operational step in the high-voltage connection operation phase. The high-voltage connection operation monitoring device 1500 for the battery pack further includes:

[0328] The historical completion step lookup module is used to find the historical completion steps of the battery pack in the high-voltage connection operation stage from the operation records based on the identification information.

[0329] The expected operation step determination module is used to determine the next operation step that matches the historical completed steps as the expected operation step of the battery pack based on the sequence of operation steps represented by step marker information.

[0330] In some embodiments, the high-voltage connection operation monitoring device 1500 for the battery pack further includes:

[0331] The third-area image acquisition module is used to acquire real-time images of the high-voltage connection operation area, resulting in a third-area image.

[0332] The motion state determination module is used to determine the motion state of the battery pack when the battery pack is identified in the third region image.

[0333] The processing stage determination module is used to determine the processing stage of the battery pack during the high-voltage connection process based on the motion state of the battery pack; the processing stage includes the high-voltage connection operation stage.

[0334] The anomaly monitoring strategy processing module is used to monitor the high-voltage connection process of the battery pack according to the anomaly monitoring strategy matched with the processing stage.

[0335] In some embodiments, the processing stage determination module is configured to: when the movement state of the battery pack is stationary, perform operation marker recognition on the third region image to determine the operation stage indicator marker in the third region image; and determine that the battery pack is in the high-voltage connection operation stage when the operation stage indicator marker matches the reference operation marker corresponding to the high-voltage connection operation stage.

[0336] In some embodiments, the processing stage further includes a battery pack entry stage and a battery pack exit stage. The processing stage determination module is configured to: acquire a second preset number of historical region images consecutively acquired before the third region image when the battery pack is in a continuous motion state; identify the battery pack in each historical region image; determine the processing stage of the battery pack in the high-voltage connection process as the battery pack exit stage when all historical region images contain the battery pack; and determine the processing stage of the battery pack in the high-voltage connection process as the battery pack entry stage when any frame of the historical region image does not contain the battery pack.

[0337] In some embodiments, the anomaly monitoring strategy processing module is used to: identify stage markers in a third region image and determine stage marker information in the third region image; the feature intensity of the stage marker in the third region image is greater than a second preset feature intensity threshold; and determine the anomaly monitoring result of the high-voltage connection process of the battery pack based on the comparison result between the stage marker information and the baseline stage marker information corresponding to the processing stage.

[0338] In some embodiments, the stage marker information includes the number and location of the stage markers. The high-voltage connection operation monitoring device 1500 for the battery pack also includes:

[0339] The information comparison module is used to determine whether the information of the stage marker is consistent with the information of the benchmark stage marker corresponding to the processing stage, provided that the position and quantity of the stage marker are consistent with the position and quantity of the benchmark stage marker.

[0340] In some embodiments, the stage marker information includes the number, location, and color of the stage markers. The high-voltage connection operation monitoring device 1500 for the battery pack further includes:

[0341] The information comparison module is used to determine whether the information of the stage markers matches the information of the reference stage markers corresponding to the battery pack entering the stage, provided that the number, position and color of the stage markers are consistent with the number, position and color of the reference stage markers; the color of the reference stage markers for the battery pack entering the stage is different from the color of the reference stage markers for the battery pack leaving the stage.

[0342] In some embodiments, the anomaly monitoring strategy processing module is configured to: acquire a fourth region image that is continuously acquired for a third preset number of frames after the third region image when the stage marker information is inconsistent with the baseline stage marker information corresponding to the battery pack entering the stage; perform stage marker identification on each fourth region image to obtain the second stage marker information corresponding to each fourth region image; and determine that there is an anomaly in the high-voltage connection process of the battery pack when the comparison between each second stage marker information and the baseline stage marker information corresponding to the battery pack entering the stage is inconsistent.

[0343] In some embodiments, the anomaly monitoring strategy processing module is configured to: acquire a fifth region image that has been continuously acquired for a fourth preset number of frames before the third region image when the stage marker information is inconsistent with the baseline stage marker information corresponding to the battery pack leaving stage; perform stage marker identification on each fifth region image to obtain the third stage marker information corresponding to each fifth region image; and determine that there is an anomaly in the high-voltage connection process of the battery pack when the comparison between each third stage marker information and the baseline stage marker information is inconsistent.

[0344] Each module in the aforementioned high-voltage connection operation monitoring device for the battery pack can be implemented entirely or partially through software, hardware, or a combination thereof. These modules can be embedded in or independent of the processor in a computer device, or stored in the memory of a computer device as software, so that the processor can call and execute the corresponding operations of each module.

[0345] In some embodiments, a computer device is provided, which may be a server equipped with an anomaly monitoring system, and its internal structure diagram may be as follows: Figure 16As shown, the computer device includes a processor, memory, and a network interface connected via a system bus. The processor provides computing and control capabilities. The memory includes non-volatile storage media and internal memory. The non-volatile storage media stores an operating system, computer programs, and a database. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The database stores data related to a high-voltage connection operation monitoring method for a battery pack. The network interface communicates with external terminals via a network connection. When the computer program is executed by the processor, it implements a high-voltage connection operation monitoring method for a battery pack.

[0346] Those skilled in the art will understand that Figure 16 The structure shown is merely a block diagram of a portion of the structure related to the present application and does not constitute a limitation on the computer device to which the present application is applied. Specific computer devices may include more or fewer components than those shown in the figure, or combine certain components, or have different component arrangements.

[0347] In some embodiments, a computer device is provided, including a memory and a processor, wherein the memory stores a computer program, and the processor executes the computer program to implement the specific implementation steps of the above-described high-voltage connection operation monitoring method for the battery pack.

[0348] In some embodiments, a computer-readable storage medium is provided, on which a computer program is stored, which, when executed by a processor, implements the specific implementation steps of the above-described high-voltage connection operation monitoring method for the battery pack.

[0349] In some embodiments, a computer program product is provided, including a computer program that, when executed by a processor, implements the specific implementation steps of the high-voltage connection operation monitoring method for the battery pack described above.

[0350] It should be noted that the user information (including but not limited to user device information, user personal information, etc.) and data (including but not limited to data used for analysis, stored data, displayed data, etc.) involved in this application are all information and data authorized by the user or fully authorized by all parties. Furthermore, the acquisition, storage, processing, and transmission of the data all comply with relevant laws and regulations.

[0351] Those skilled in the art will understand that all or part of the processes in the above embodiments can be implemented by a computer program instructing related hardware. The computer program can be stored in a non-volatile computer-readable storage medium. When executed, the computer program can include the processes of the embodiments described above. Any references to memory, databases, or other media used in the embodiments provided in this application can include at least one of non-volatile and volatile memory. Non-volatile memory can include read-only memory (ROM), magnetic tape, floppy disk, flash memory, optical memory, high-density embedded non-volatile memory, resistive random access memory (ReRAM), magnetic random access memory (MRAM), ferroelectric random access memory (FRAM), phase change memory (PCM), graphene memory, etc. Volatile memory can include random access memory (RAM) or external cache memory, etc. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM). The databases involved in the embodiments provided in this application may include at least one type of relational database and non-relational database. Non-relational databases may include, but are not limited to, blockchain-based distributed databases. The processors involved in the embodiments provided in this application may be general-purpose processors, central processing units, graphics processing units, digital signal processors, programmable logic devices, quantum computing-based data processing logic devices, etc., and are not limited to these.

[0352] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0353] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of this patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this application should be determined by the appended claims.

Claims

1. A method for monitoring the high-voltage connection operation of a battery pack, characterized in that, The method includes: When the battery pack is in the high-voltage connection operation phase, acquire a first region image of the high-voltage connection operation area; Step marker identification is performed on the first region image to determine unobstructed markers in the first region image; when the high-voltage connection operation step of the battery pack is executed, the step markers corresponding to the executed high-voltage connection operation step are obstructed; If the unobstructed marker does not match the reference step marker corresponding to the high-voltage connection operation stage, the difference marker between the unobstructed marker and the reference step marker shall be identified as the target step marker that is obstructed in the high-voltage connection operation area. Based on the target step marker, the current operation step corresponding to the battery pack is determined; the step marker is set in the high-voltage connection operation area to identify the high-voltage connection operation step of the battery pack, and the feature intensity of the step marker in the first area image is greater than a first preset intensity threshold; the feature intensity is used to characterize the recognizability of the step marker in the image. If the current operating procedure does not match the expected operating procedure of the battery pack, it is determined that there is an anomaly in the high-voltage connection process of the battery pack.

2. The method according to claim 1, characterized in that, The step of determining the current operation step corresponding to the battery pack based on the target step marker includes: Continuous image acquisition is performed on the high-voltage connection operation area according to the first preset frame number to obtain multiple frames of the second area image; Each second region image is subjected to step marker recognition to determine the second unoccluded marker for each second region image; If there are difference markers between each of the second unobstructed markers and the reference step marker, and all of the difference markers are the target step markers, then the high-voltage connection operation step identified by the target step marker is determined as the current operation step corresponding to the battery pack.

3. The method according to claim 1 or 2, characterized in that, The method further includes: Obtain the identification information of the battery pack; Based on the identification information, the production line to which the battery pack belongs is determined; Based on the step marker information pre-configured for the production line, the reference step marker corresponding to the battery pack in the high-voltage connection operation stage is determined; the step marker information is used to characterize the reference step marker corresponding to each operation step in the high-voltage connection operation stage.

4. The method according to claim 3, characterized in that, The step marker information is also used to characterize the operational sequence of each step in the high-voltage connection operation phase; the method further includes: Based on the identification information, retrieve the historical completion steps of the battery pack during the high-voltage connection operation phase from the operation record; Based on the operation sequence of each operation step represented by the step marker information, the next operation step that matches the historical completed steps is determined as the expected operation step of the battery pack.

5. The method according to claim 1, characterized in that, The method further includes: A third region image is obtained by real-time image acquisition of the high-voltage connection operation area. If the battery pack is identified in the third region image, the motion state of the battery pack is determined; Based on the motion state of the battery pack, the processing stage of the battery pack during the high-voltage connection process is determined; the processing stage includes the high-voltage connection operation stage; Anomaly monitoring is performed on the high-voltage connection process of the battery pack in accordance with an anomaly monitoring strategy that matches the processing stage.

6. The method according to claim 5, characterized in that, The process of determining the handling stage of the battery pack during the high-voltage connection process based on the movement state of the battery pack includes: When the battery pack is in a stationary state, the operation markers in the third region image are identified to determine the operation stage indicator markers in the third region image. If the indicator marker for the operation phase matches the reference operation marker corresponding to the high-voltage connection operation phase, the battery pack is determined to be in the high-voltage connection operation phase.

7. The method according to claim 5 or 6, characterized in that, The processing phase also includes a battery pack entry phase and a battery pack exit phase; The process of determining the handling stage of the battery pack during high-voltage connection based on the movement state of the battery pack includes: When the battery pack is in a continuous motion state, acquire historical region images of a second preset number of frames continuously collected before the third region image; For each of the aforementioned historical region images, battery pack identification is performed on the historical region image; If the battery pack is included in all the historical region images, the processing stage of the battery pack during the high-voltage connection process is determined to be the battery pack departure stage; If any frame of the historical region image does not contain the battery pack, the processing stage of the battery pack during the high-voltage connection process is determined as the battery pack entry stage.

8. The method according to claim 7, characterized in that, The abnormal monitoring of the high-voltage connection process of the battery pack, according to an abnormal monitoring strategy matched to the processing stage, includes: Stage marker identification is performed on the third region image to determine the stage marker information in the third region image; the feature intensity of the stage marker in the third region image is greater than a second preset intensity threshold. Based on the comparison results between the stage marker information and the baseline stage marker information corresponding to the processing stage, the abnormal monitoring results of the high-voltage connection process of the battery pack are determined.

9. The method according to claim 8, characterized in that, The stage marker information includes the number and location of the stage markers; the method further includes: If the position and number of stage markers are consistent with the position and number of baseline stage markers, it is determined that the stage marker information is consistent with the baseline stage marker information corresponding to the processing stage.

10. The method according to claim 8, characterized in that, The stage marker information includes the number, location, and color of the stage markers; the method further includes: If the number, position, and color of the stage markers are consistent with the number, position, and color of the reference stage markers, it is determined that the stage marker information is consistent with the reference stage marker information corresponding to the battery pack entering the stage; the color of the reference stage markers for the battery pack entering the stage is different from the color of the reference stage markers for the battery pack leaving the stage.

11. The method according to claim 8, characterized in that, The step of determining the abnormal monitoring result of the high-voltage connection process of the battery pack based on the comparison result between the stage marker information and the baseline stage marker information corresponding to the processing stage includes: If the information of the stage marker is inconsistent with the information of the reference stage marker corresponding to the battery pack entering the stage, a fourth region image is acquired after the third region image for a third preset number of consecutive frames. Each of the fourth region images is subjected to stage marker recognition to obtain the second stage marker information corresponding to each of the fourth region images; If the information of each second-stage marker is inconsistent with the information of the benchmark stage marker corresponding to the battery pack entering the stage, it is determined that there is an anomaly in the high-voltage connection process of the battery pack.

12. The method according to claim 8, characterized in that, The step of determining the abnormal monitoring result of the high-voltage connection process of the battery pack based on the comparison result between the stage marker information and the baseline stage marker information corresponding to the processing stage includes: If the information of the stage marker is inconsistent with the information of the reference stage marker corresponding to the battery pack leaving stage, a fifth region image of a fourth preset number of consecutive frames is acquired before the third region image. Each of the fifth region images is subjected to stage marker recognition to obtain the third stage marker information corresponding to each of the fifth region images; If the information of each third-stage marker is inconsistent with the information of the baseline stage marker, it is determined that there is an anomaly in the high-voltage connection process of the battery pack.

13. A high-voltage connection operation monitoring device for a battery pack, characterized in that, The device includes: The image acquisition module is used to acquire a first area image of the high-voltage connection operation area when the battery pack is in the high-voltage connection operation stage. The operation step determination module is used to identify step markers in the first region image and determine unobstructed markers in the first region image; when the high-voltage connection operation step of the battery pack is executed, the step marker corresponding to the executed high-voltage connection operation step is obstructed; when the unobstructed marker does not match the reference step marker corresponding to the high-voltage connection operation stage, the difference marker between the unobstructed marker and the reference step marker is determined as the obstructed target step marker in the high-voltage connection operation area; based on the target step marker, the current operation step corresponding to the battery pack is determined; the step marker is set in the high-voltage connection operation area to identify the high-voltage connection operation step of the battery pack, and the feature intensity of the step marker in the first region image is greater than a first preset intensity threshold; the feature intensity is used to characterize the identifiability of the step marker in the image. An anomaly monitoring module is used to determine if there is an anomaly in the high-voltage connection process of the battery pack when the current operating step does not match the expected operating step of the battery pack.

14. A computer device comprising a memory and a processor, wherein the memory stores a computer program, characterized in that, When the processor executes the computer program, it implements the steps of the method according to any one of claims 1 to 12.

15. A computer-readable storage medium having a computer program stored thereon, characterized in that, When the computer program is executed by a processor, it implements the steps of the method according to any one of claims 1 to 12.

16. A computer program product, comprising a computer program, characterized in that, When the computer program is executed by a processor, it implements the steps of the method according to any one of claims 1 to 12.

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