Current detection system and current detection method

Abstract

The invention relates to a current detection system and a current detection method. The current detection system comprises a current sensor array, an evaluation module and a parameter control module which are connected with one another, the current sensor array is used for carrying out current detection on a plurality of detection areas where the current detection system is located to obtain a current detection result; the evaluation module is used for evaluating the performance of the current detection system according to the current detection result and response parameters of the current detection system to obtain an evaluation result; and the parameter control module is used for adjusting circuit parameters in the current detection system under the condition that the evaluation result shows that the current detection system is abnormal. According to the embodiment of the invention, the circuit parameters in the current detection system can be adjusted in real time through the evaluation module and the parameter control module, so that the adjusted circuit parameters are adopted for current detection, the accuracy of current detection can be improved, and the stability and reliability of the current sensor array are improved.

Description

Technical Field

[0001] The present application relates to the technical field of power systems, and in particular to a current detection system and a current detection method. Background Art

[0002] With the development of power systems, the demand for current measurement is increasing. At present, current sensors can be used to measure and monitor current. For example, fluxgate current sensors are sensors designed and manufactured based on the principle of fluxgate effect. Fluxgate current sensors are widely used in power monitoring, fault detection and other fields.

[0003] However, the current detection system in which the conventional fluxgate current sensor is located has the problem of low detection accuracy. Summary of the invention

[0004] Based on this, it is necessary to provide a current detection system and a current detection method that can improve the accuracy of current detection in order to solve the above technical problems.

[0005] In a first aspect, the present application provides a current detection system, the current detection system comprising an interconnected current sensor array, an evaluation module, and a parameter control module;

[0006] The current sensor array is used to perform current detection on multiple detection areas where the current detection system is located to obtain current detection results;

[0007] The evaluation module is used to evaluate the performance of the current detection system according to the current detection result and the response parameter of the current detection system to obtain an evaluation result;

[0008] The parameter control module is used to adjust the circuit parameters in the current detection system when the evaluation result indicates that the current detection system is abnormal.

[0009] In one of the embodiments, the current sensor array includes a plurality of fluxgate current sensors connected in parallel;

[0010] Each of the fluxgate current sensors is used to perform current detection on the current to be measured in the detection area corresponding to each of the fluxgate current sensors, so as to obtain the current detection result corresponding to each of the detection areas.

[0011] In one of the embodiments, the fluxgate current sensor includes a magnetic core and a winding, the magnetic permeability of the material of the magnetic core is higher than a preset magnetic permeability threshold, and the number of turns and shape of the winding are determined according to a winding simulation model under different environmental conditions.

[0012] In one of the embodiments, the parameter control module is specifically used to adjust the circuit parameters in the current detection system by using a parameter adjustment algorithm when the evaluation result indicates that the current detection system is abnormal; the parameter adjustment algorithm includes at least one of a fuzzy control algorithm, a reinforcement learning algorithm and a filtering algorithm.

[0013] In one of the embodiments, the parameter control module is specifically used to adjust the circuit parameters in the current detection system by using the fuzzy control algorithm and the reinforcement learning algorithm when the evaluation result indicates that the current detection system is abnormal.

[0014] In one of the embodiments, the parameter control module is specifically configured to adjust the filtering parameters in the circuit parameters by using the filtering algorithm when the evaluation result indicates that the current detection system is abnormal.

[0015] In one of the embodiments, the current detection system further includes a desaturation detection module, and the desaturation detection module is used to detect a desaturation fault according to the circuit parameters to obtain a fault detection result.

[0016] In one of the embodiments, the desaturation detection module includes a signal generation module, and the signal generation module is used to generate an excitation signal when the fault detection result indicates that a desaturation fault occurs in the current detection system.

[0017] In one embodiment, the desaturation detection module further includes a signal adjustment module, and the signal adjustment module is used to adjust the signal parameters of the excitation signal according to the circuit parameters.

[0018] In a second aspect, the present application further provides a current detection method, which is applied to a current detection system, wherein the current detection system includes an interconnected current sensor array, an evaluation module, and a parameter control module, and the method includes:

[0019] Controlling the current sensor array to perform current detection on a plurality of detection areas where the current detection system is located to obtain current detection results;

[0020] Controlling the evaluation module to evaluate the performance of the current detection system according to the current detection result and the response parameter of the current detection system to obtain an evaluation result;

[0021] The parameter control module is controlled to adjust circuit parameters in the current detection system when the evaluation result indicates that the current detection system is abnormal.

[0022] In a third aspect, the present application further provides a computer device, wherein the computer device comprises a memory and a processor, wherein the memory stores a computer program, and when the processor executes the computer program, the steps of the method in any one of the embodiments of the second aspect are implemented.

[0023] In a fourth aspect, the present application further provides a computer-readable storage medium having a computer program stored thereon, and when the computer program is executed by a processor, the steps of the method in any one of the embodiments of the second aspect are implemented.

[0024] In a fifth aspect, the present application further provides a computer program product, wherein the computer program product comprises a computer program, and when the computer program is executed by a processor, the steps of the method in any one of the embodiments in the second aspect are implemented.

[0025] The above-mentioned current detection system and current detection method, the current detection system includes an interconnected current sensor array, an evaluation module and a parameter control module; the current sensor array is used to perform current detection on multiple detection areas where the current detection system is located to obtain current detection results; the evaluation module is used to evaluate the performance of the current detection system according to the current detection results and the response parameters of the current detection system to obtain evaluation results; the parameter control module is used to adjust the circuit parameters in the current detection system when the evaluation results indicate that the current detection system is abnormal. Since the current sensor array in the embodiment of the present application can perform current detection on multiple detection areas where the current detection system is located, the current detection result can be obtained more accurately. And the present application can adjust the circuit parameters in the current detection system in real time through the evaluation module and the parameter control module, which can ensure that the circuit parameters in the current detection system are always kept within the normal range, and then use the adjusted circuit parameters to perform current detection again, which can improve the accuracy of current detection, and improve the stability and reliability of the current sensor array. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present application or related technologies, the drawings required for use in the embodiments of the present application or related technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 is a structural schematic diagram of a current detection system in one embodiment;

[0028] Figure 2 is a structural schematic diagram of a current detection system in another embodiment;

[0029] Figure 3 is a schematic flow chart of a current detection method in one embodiment;

[0030] Figure 4 FIG. 4 is a diagram showing the internal structure of a computer device in one embodiment. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" in the specification and claims of this application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions.

[0033] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "multiple" is more than two, unless otherwise clearly and specifically defined.

[0034] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0035] With the development of power systems, the demand for current measurement is increasing. At present, current sensors can be used to measure and monitor current, such as shunts, Hall sensors, and electromagnetic current transformers. Although the above current sensors have their own advantages, they still have limitations in different application scenarios, such as measurement accuracy, range limitations, cost, and power consumption. At present, power systems generally use fluxgate current sensors, which are sensors designed and manufactured based on the principle of fluxgate effect. Fluxgate current sensors are widely used in power monitoring, fault detection and other fields.

[0036] However, the current detection system in which the traditional fluxgate current sensor is located has problems in the selection of core materials, excitation methods, and signal processing. For example, first, the traditional fluxgate current sensor usually uses cobalt magnetic materials as the core material. However, the processing and heat treatment processes of cobalt magnetic materials are relatively complicated, which increases the production cost of cobalt magnetic materials and limits the application scope of traditional fluxgate current sensors. Especially in power systems that require a large number of current sensors to be deployed, cost control is crucial; second, the traditional fluxgate current sensor usually uses an external excitation source for excitation. At this time, the generation and processing of the excitation signal are relatively complex and require additional power consumption. The external excitation source also increases the complexity and cost of the power system; third, the traditional fluxgate current sensor usually uses analog circuits for signal processing. The signal processing process includes steps such as signal amplification, filtering, and phase-sensitive detection. However, the analog circuit has a low degree of integration and is susceptible to interference. It is difficult to achieve high-precision and high-integration signal processing processes, which is not conducive to Application of fluxgate current sensor in portable and low-power devices; Fourth, the saturation characteristics of the core material determine the measurement range of the fluxgate current sensor. When the measured current exceeds a certain value, the core will be saturated, resulting in distortion of the output signal of the fluxgate current sensor, reduced measurement accuracy and stability, and low range of the traditional fluxgate current sensor, which makes the traditional fluxgate current sensor unsuitable for large current application scenarios; Fifth, the self-excited oscillation fluxgate circuit is easily disturbed by the external environment under high-frequency signals, resulting in reduced measurement accuracy and affecting the stability and reliability of the fluxgate current sensor, thereby reducing the applicability of the fluxgate current sensor in complex electromagnetic environments and limiting the application scope of the fluxgate current sensor in industrial and power systems; Sixth, the traditional zero flux detection technology requires a complex analog signal processing module, which is difficult to simplify and integrate in the fluxgate current sensor, affecting the overall performance and market competitiveness of the sensor and limiting the application scope of the fluxgate current sensor. Therefore, the current detection system in which the traditional fluxgate current sensor is located has the problem of low detection accuracy.

[0037] Therefore, the present application proposes a current detection system and a current detection method to solve the above technical problems.

[0038] The current detection system and current detection method used in this application are mainly introduced below.

[0039] In one embodiment, Figure 1 As shown, a current detection system is provided, the current detection system includes an interconnected current sensor array 11, an evaluation module 12 and a parameter control module 13;

[0040] The current sensor array 11 is used to perform current detection on multiple detection areas where the current detection system is located to obtain current detection results;

[0041] An evaluation module 12, used to evaluate the performance of the current detection system according to the current detection result and the response parameter of the current detection system to obtain an evaluation result;

[0042] The parameter control module 13 is used to adjust the circuit parameters in the current detection system when the evaluation result indicates that the current detection system is abnormal.

[0043] In the embodiment of the present application, the current detection system includes a current sensor array 11, an evaluation module 12 and a parameter control module 13, the current sensor array 11 is connected to the evaluation module 12 in communication, the evaluation module 12 is connected to the parameter control module 13 in communication, and the parameter control module 13 is connected to the current sensor array 11 in communication. The current sensor array 11 is composed of a plurality of fluxgate current sensors, and both the parameter control module 12 and the evaluation module 13 can be provided with a computer device for executing a control or evaluation process. Exemplarily, a plurality of detection areas can be designed in advance in the current detection system, so that the current sensor array 11 can be used to perform current detection on the plurality of detection areas where the current detection system is located, obtain current detection results, and transmit the current detection results to the evaluation module 12. Thus, the evaluation module 12 can receive the current detection results sent by the current sensor array 11, and can detect the response parameters of the current detection system in real time, so that the performance of the current detection system can be evaluated according to the current detection results and the response parameters of the current detection system, obtain evaluation results, and transmit the evaluation results to the parameter control module 13. For example, the evaluation module 12 can use edge computing technology to perform real-time data processing to obtain response parameters of the current detection system to reduce delays and improve the response speed of the current detection system.

[0044] Furthermore, the parameter control module 13 can receive and monitor the evaluation results of the current detection system in real time, and determine whether the current detection system is abnormal based on the evaluation results, so that when it is determined that the evaluation results indicate that the current detection system is abnormal, the circuit parameters in the current detection system are adaptively adjusted. For example, the parameter control module 13 can input the evaluation results into the machine learning model to identify faults or abnormalities in the current detection system, so as to achieve predictive maintenance, reduce the downtime of the current detection system, and improve the overall reliability of the current detection system. In addition, the adjusted circuit parameters in the current detection system can also be transmitted to the current sensor array 11, so that the current sensor array 11 can perform more accurate current detection based on the adjusted circuit parameters. Among them, the response parameters may include but are not limited to parameters such as response speed and response delay, the performance of the current detection system may include but are not limited to the signal distortion degree and response speed of the current detection system, and the circuit parameters may include but are not limited to parameters such as filtering parameters and control parameters.

[0045] In the above-mentioned current detection system, the current detection system includes an interconnected current sensor array, an evaluation module and a parameter control module; the current sensor array is used to perform current detection on multiple detection areas where the current detection system is located to obtain current detection results; the evaluation module is used to evaluate the performance of the current detection system according to the current detection results and the response parameters of the current detection system to obtain evaluation results; the parameter control module is used to adjust the circuit parameters in the current detection system when the evaluation results indicate that the current detection system is abnormal. Since the current sensor array in the embodiment of the present application can perform current detection on multiple detection areas where the current detection system is located, the current detection result can be obtained more accurately. And the present application can adjust the circuit parameters in the current detection system in real time through the evaluation module and the parameter control module, which can ensure that the circuit parameters in the current detection system are always kept within the normal range, and then use the adjusted circuit parameters to perform current detection again, which can improve the accuracy of current detection, and improve the stability and reliability of the current sensor array.

[0046] Based on the structure of the current detection system introduced in the above embodiment, in one embodiment, the above current sensor array includes a plurality of fluxgate current sensors connected in parallel;

[0047] Each fluxgate current sensor is used to perform current detection on the current to be measured in the detection area corresponding to each fluxgate current sensor, so as to obtain the current detection result corresponding to each detection area.

[0048] In the embodiment of the present application, the above-mentioned current sensor array includes a plurality of fluxgate current sensors connected in parallel, that is, it can be understood that each fluxgate current sensor can be connected to the evaluation module and the parameter modulation module, and each fluxgate current sensor corresponds to a different detection area. Based on this, for each fluxgate current sensor, the fluxgate current sensor can perform current detection in parallel on the current to be measured in the detection area corresponding to the fluxgate current sensor, and obtain the current detection result corresponding to the detection area. Afterwards, optionally, the current sensor array can transmit the current detection results corresponding to each detection area to the evaluation module 12 respectively; or, the current sensor array can also use a data fusion algorithm to fuse the current detection results corresponding to each detection area, and transmit the fused current detection results to the evaluation module 12. In addition, a real-time sensor calibration mechanism can also be established to ensure the accuracy and consistency of the current detection results and reduce the potential risks caused by measurement errors.

[0049] In this embodiment, the current sensor array includes a plurality of fluxgate current sensors connected in parallel; each fluxgate current sensor is used to perform current detection on the current to be measured in the detection area corresponding to each fluxgate current sensor, and obtain the current detection result corresponding to each detection area. In this way, different fluxgate current sensors can be used to perform current detection on the detection areas corresponding to the fluxgate current sensors in parallel, so that current detection can be achieved more accurately, the global perception capability of the current detection system can be enhanced, and the monitoring accuracy and response speed of the current detection system can be improved.

[0050] Based on the structure of the current detection system introduced in the above embodiment, in one embodiment, the above fluxgate current sensor includes a magnetic core and a winding, the magnetic permeability of the material of the magnetic core is higher than the preset magnetic permeability threshold, and the number of turns and shape of the winding are determined according to the winding simulation model under different environmental conditions.

[0051] In an embodiment of the present application, the fluxgate current sensor includes a magnetic core and a winding, and the magnetic permeability of the material of the magnetic core is higher than a preset magnetic permeability threshold, that is, the embodiment of the present application can select a new high magnetic permeability material as the magnetic core material to further improve the magnetic permeability and reduce the loss. In addition, the high-frequency characteristics of the magnetic core material can be experimentally tested to optimize the use of the magnetic core material. For example, the performance changes of the magnetic core material under different temperature conditions can be evaluated in advance to ensure that the magnetic core material can still maintain high performance in harsh environments. Among them, the new high magnetic permeability material may include but is not limited to soft magnetic alloys, cobalt-iron alloys, etc.

[0052] The number of turns and shape of the winding in the embodiment of the present application are determined according to the winding simulation model under different environmental conditions. Optionally, first, a winding simulation model can be constructed in advance using a preset simulation software, and a multi-physics field simulation can be performed on the winding simulation model, and the influence of different environmental conditions on the winding performance can be comprehensively considered to determine the number of turns and shape of the appropriate winding. Among them, the preset simulation software can include but is not limited to ANSYS Maxwell, COMSOL Multiphysics, etc., and the environmental conditions can include but are not limited to temperature, current and other conditions. Second, 3D printing technology can also be used to manufacture the winding bracket so as to more accurately control the geometric shape of the winding and reduce errors. Third, a parametric modeling method can also be used for finite element simulation, a winding simulation model can be constructed, and the number of winding turns and the current corresponding to the winding can be optimized in the winding simulation model to ensure that good performance can be maintained under dynamic working conditions. Of course, the embodiment of the present application does not limit the specific implementation method for determining the number of turns and shape of the winding.

[0053] In this embodiment, the fluxgate current sensor includes a magnetic core and a winding, and the magnetic permeability of the material of the magnetic core is higher than the preset magnetic permeability threshold. By selecting a new high magnetic permeability material as the magnetic core material, the magnetic permeability can be further improved and the loss can be reduced. By optimizing the performance of the material under different temperature conditions, the reliability and stability in extreme environments are ensured, and the scope of application and life of the system are increased. Since the number of turns and shape of the winding are determined according to the winding simulation model under different environmental conditions, the embodiment of the present application comprehensively considers the impact of different environmental conditions on the winding performance, and combines the advantages of different simulation software, it can more comprehensively understand the performance of the winding under actual operating conditions, so as to ensure that the winding structure can maintain better performance under actual operating conditions, and then determine the appropriate number of turns and shape of the winding, improve the accuracy of the winding structure, reduce the manufacturing error of the winding structure, and make the winding performance more stable and reliable.

[0054] Based on the structure of the current detection system introduced in the above embodiment, in one embodiment, the above parameter control module is specifically used to adjust the circuit parameters in the current detection system by using a parameter adjustment algorithm when the evaluation result indicates that the current detection system is abnormal; the parameter adjustment algorithm includes at least one of a fuzzy control algorithm, a reinforcement learning algorithm and a filtering algorithm.

[0055] In one embodiment, the parameter control module is specifically used to adjust the circuit parameters in the current detection system by using a fuzzy control algorithm and a reinforcement learning algorithm when the evaluation result indicates that the current detection system is abnormal.

[0056] In one embodiment, the parameter control module is specifically used to adjust the filter parameters in the circuit parameters using a filter algorithm when the evaluation result indicates that the current detection system is abnormal.

[0057] In an embodiment of the present application, when the above-mentioned parameter control module determines that the evaluation result indicates that the current detection system is abnormal, the parameter control module may optionally adopt an adaptive fuzzy control algorithm or a neural network control algorithm to dynamically adjust the control parameters in the current detection system according to the system state to optimize the response speed and stability; or, the parameter control module may adopt an algorithm based on a combination of fuzzy control and reinforcement learning to flexibly adjust the circuit parameters in the current detection system to optimize the desaturation response speed and improve the dynamic adaptability of the current detection system; or, the parameter control module may adopt an adaptive filtering algorithm to dynamically adjust the filtering parameters in the circuit parameters according to the signal changes to enhance the signal-to-noise ratio.

[0058] In this embodiment, the parameter control module is specifically used to use a parameter adjustment algorithm to adjust the circuit parameters in the current detection system when the evaluation result indicates that the current detection system is abnormal, wherein the parameter adjustment algorithm includes at least one of a fuzzy control algorithm, a reinforcement learning algorithm and a filtering algorithm. In this way, the circuit parameters in the current detection system can be dynamically adjusted through a variety of parameter adjustment algorithms, thereby improving the response speed and stability of the current detection system.

[0059] Based on the structure of the current detection system introduced in the above embodiment, in one embodiment, the above current detection system further includes a desaturation detection module, which is used to detect desaturation faults according to circuit parameters to obtain fault detection results.

[0060] In one embodiment, the desaturation detection module includes a signal generation module, and the signal generation module is used to generate an excitation signal when the fault detection result indicates that a desaturation fault occurs in the current detection system.

[0061] In one embodiment, the desaturation detection module further includes a signal adjustment module, and the signal adjustment module is used to adjust the signal parameters of the excitation signal according to the circuit parameters.

[0062] In the present application embodiment, Figure 2 As shown, Figure 2 It is a structural diagram of a current detection system in another embodiment. The above-mentioned current detection system also includes a desaturation detection module 14, which is connected to the parameter control module 13. Based on this, the desaturation detection module can obtain the circuit parameters adjusted in real time in the parameter control module, and can detect the desaturation fault according to the circuit parameters adjusted in real time to obtain a fault detection result. Exemplarily, multiple trigger conditions can be pre-set, such as temperature, load change and other conditions, and when the circuit parameters adjusted in real time meet the trigger conditions, the fault detection result is determined to be a desaturation fault in the current detection system, so as to improve the system's responsiveness to the saturation state. In addition, the performance of the circuit in the current detection system under high-frequency signals can also be considered in the design process of the desaturation detection module, and the circuit layout can be optimized according to the performance of the above-mentioned circuit under high-frequency signals, the parasitic effect can be reduced, the stability of the current detection system under high-frequency signals can be improved, the circuit noise and parasitic effects can be reduced, and the overall signal quality of the current detection system can be improved. A dual redundant control system can also be introduced in the current detection system to ensure that the backup system can be used immediately when the main control system fails.

[0063] In one embodiment, the desaturation detection module may include a signal generation module, which may generate an excitation signal when the fault detection result indicates that the current detection system has a desaturation fault, so as to ensure that the normal working state can be quickly restored after desaturation, reduce downtime, and improve production efficiency. Among them, the excitation signal may include a variety of waveforms such as sine waves, square waves, and triangle waves. Of course, the excitation signal can be flexibly configured according to different application requirements to adapt to different application scenarios, thereby improving the flexibility and adaptability of the current detection system. In addition, a high-resolution digital-to-analog converter (DAC, Digital to analog converter) can be used to process and output the excitation signal to ensure the accuracy of the signal output, reduce signal distortion, and enhance the performance of the current detection system.

[0064] In one embodiment, the desaturation detection module further includes a signal adjustment module, which can adjust the signal parameters of the excitation signal according to the circuit parameters. Optionally, the signal adjustment module can adopt a variety of sensitivity adjustment methods to adaptively adjust the signal parameters of the excitation signal according to the circuit parameters, wherein the sensitivity adjustment method may include but is not limited to digital adjustment and analog adjustment, etc., to ensure that the system can maintain optimal performance under different working conditions; or, a dynamic adjustment model can be pre-established and trained in the signal adjustment module, so that the signal adjustment module can input the circuit parameters adjusted in real time into the dynamic adjustment model for signal adjustment, thereby automatically optimizing the signal parameters of the excitation signal to improve the recovery efficiency of the desaturation fault.

[0065] In this embodiment, the current detection system also includes a desaturation detection module, which is used to detect the desaturation fault according to the circuit parameters and obtain the fault detection result. The desaturation detection module includes a signal generation module, which is used to generate an excitation signal when the fault detection result indicates that the current detection system has a desaturation fault, so as to ensure that the normal working state can be quickly restored after desaturation, reduce downtime, and improve production efficiency. In addition, the desaturation detection module also includes a signal adjustment module, which is used to adjust the signal parameters of the excitation signal according to the circuit parameters, so as to improve the recovery efficiency of the desaturation fault.

[0066] Based on the structure of the current detection system introduced in the above embodiment, in one embodiment, the zero flux detection circuit in the related art can also be optimized. Optionally, a multi-channel parallel detection technology can be introduced into the zero flux detection circuit in the related art, so that the zero flux state can be detected in parallel, which can improve the detection accuracy and redundancy, and ensure that the zero flux state can still be accurately monitored in the event of a fault; or, a hierarchical control module can be added to the zero flux detection circuit in the related art, so that the current detection system of different system states can be adaptively controlled and adjusted by adopting a hierarchical adjustment strategy according to the system state of the current detection system, so as to improve the flexibility of the current detection system; or, a fine-tuning circuit can be used in combination with an intelligent controller to adjust the excitation current in real time to ensure that the magnetic flux is maintained in a zero flux state, optimize the working efficiency of the system, and reduce unnecessary energy consumption.

[0067] Based on the structure of the current detection system introduced in the above embodiment, in one embodiment, an electromagnetic shielding module can also be added to the current detection system. Optionally, a dynamic simulation tool can be used to analyze the performance of the electromagnetic shielding module in different frequency bands, so as to more comprehensively understand the performance of the shielding structure in different frequency bands, so as to make targeted improvements to the electromagnetic shielding module and improve electromagnetic compatibility; or, the simulation model and the circuit parameters actually detected can be combined to comprehensively identify the sensitive areas in the current detection system to optimize the shielding design; or, environmentally friendly composite materials or bio-based materials can be used as the material of the shielding structure in the electromagnetic shielding module, so that not only the shielding effect can be improved, but also it can meet the green environmental protection standards and have a broader application prospect; or, the geometric shape and grounding design of the shielding structure can be optimized by conducting simulation experiments on different structural forms to improve electromagnetic compatibility; or, an international standardized test method can be formulated to ensure that different batches of shielding structures can meet consistent performance indicators and improve product reliability and market competitiveness.

[0068] After introducing the current detection system, the current detection method implemented by the current detection system is introduced below. In one embodiment, Figure 3 As shown, a current detection method is provided, and the current detection system in any one of the above embodiments is used as an example for description. The current detection system includes an interconnected current sensor array, an evaluation module, and a parameter control module, and includes the following steps:

[0069] S201, controlling the current sensor array to perform current detection on multiple detection areas where the current detection system is located to obtain current detection results.

[0070] S202, the control evaluation module evaluates the performance of the current detection system according to the current detection result and the response parameter of the current detection system to obtain an evaluation result.

[0071] S203 , when the evaluation result indicates that the current detection system is abnormal, the control parameter control module adjusts the circuit parameters in the current detection system.

[0072] Among them, the specific implementation method of S201-S203 can refer to the above embodiment and will not be repeated here.

[0073] In the above-mentioned current detection method, the current sensor array is controlled to perform current detection on multiple detection areas where the current detection system is located to obtain current detection results; the control evaluation module is controlled to evaluate the performance of the current detection system according to the current detection results and the response parameters of the current detection system to obtain evaluation results; the control parameter control module is controlled to adjust the circuit parameters in the current detection system when the evaluation results indicate that the current detection system is abnormal. Since the current sensor array in the embodiment of the present application can perform current detection on multiple detection areas where the current detection system is located, the current detection result can be obtained more accurately. And the present application can adjust the circuit parameters in the current detection system in real time through the evaluation module and the parameter control module, which can ensure that the circuit parameters in the current detection system are always kept within the normal range, and then the adjusted circuit parameters are used for current detection again, which can improve the accuracy of current detection, as well as improve the stability and reliability of the current sensor array.

[0074] It should be understood that, although the steps in the flowcharts involved in the above embodiments are displayed in sequence according to the indication of the arrows, these steps are not necessarily executed in sequence according to the order indicated by the arrows. Unless there is a clear explanation in this article, the execution of these steps is not strictly limited in order, and these steps can be executed in other orders. Moreover, at least a part of the steps in the flowcharts involved in the above embodiments may include multiple steps or multiple stages, and these steps or stages are not necessarily executed at the same time, but can be executed at different times, and the execution order of these steps or stages is not necessarily carried out in sequence, but can be executed in turn or alternately with other steps or at least a part of the steps or stages in other steps.

[0075] In an exemplary embodiment, a computer device is provided. The computer device may be a terminal in a current detection system. The internal structure diagram thereof may be as shown in FIG. Figure 4As shown. The computer device includes a processor, a memory, an input / output interface, a communication interface, a display unit and an input device. The processor, the memory and the input / output interface are connected through a system bus, and the communication interface, the display unit and the input device are connected to the system bus through the input / output interface. The processor of the computer device is used to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of the operating system and the computer program in the non-volatile storage medium. The input / output interface of the computer device is used to exchange information between the processor and the external device. The communication interface of the computer device is used to communicate with an external terminal in a wired or wireless manner, and the wireless manner can be implemented through WIFI, a mobile cellular network, near field communication (NFC) or other technologies. When the computer program is executed by the processor, a current detection method is implemented. The display unit of the computer device is used to form a visually visible picture, which can be a display screen, a projection device or a virtual reality imaging device. The display screen can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer device can be a touch layer covering the display screen, or a button, trackball or touchpad set on the computer device shell, or an external keyboard, touchpad or mouse.

[0076] Those skilled in the art will understand that Figure 4 The structure shown in the figure is only a block diagram of a part of the structure related to the solution of the present application, and does not constitute a limitation on the computer device to which the solution of the present application is applied. The specific computer device may include more or fewer components than those shown in the figure, or combine certain components, or have a different arrangement of components.

[0077] In an exemplary embodiment, a computer device is provided, including a memory and a processor, wherein a computer program is stored in the memory, and when the processor executes the computer program, the following steps are implemented:

[0078] Controlling the current sensor array to perform current detection on multiple detection areas where the current detection system is located to obtain current detection results;

[0079] The control evaluation module evaluates the performance of the current detection system according to the current detection result and the response parameter of the current detection system to obtain an evaluation result;

[0080] The control parameter control module adjusts circuit parameters in the current detection system when the evaluation result indicates that the current detection system is abnormal.

[0081] In one embodiment, a computer readable storage medium is provided, on which a computer program is stored, and when the computer program is executed by a processor, the following steps are implemented:

[0082] Controlling the current sensor array to perform current detection on multiple detection areas where the current detection system is located to obtain current detection results;

[0083] The control evaluation module evaluates the performance of the current detection system according to the current detection result and the response parameter of the current detection system to obtain an evaluation result;

[0084] The control parameter control module adjusts circuit parameters in the current detection system when the evaluation result indicates that the current detection system is abnormal.

[0085] In one embodiment, a computer program product is provided, comprising a computer program, which, when executed by a processor, implements the following steps:

[0086] Controlling the current sensor array to perform current detection on multiple detection areas where the current detection system is located to obtain current detection results;

[0087] The control evaluation module evaluates the performance of the current detection system according to the current detection result and the response parameter of the current detection system to obtain an evaluation result;

[0088] The control parameter control module adjusts circuit parameters in the current detection system when the evaluation result indicates that the current detection system is abnormal.

[0089] Those skilled in the art can understand that all or part of the processes in the above-mentioned embodiment methods can be completed by instructing the relevant hardware through a computer program, and the computer program can be stored in a non-volatile computer-readable storage medium. When the computer program is executed, it can include the processes of the embodiments of the above-mentioned methods. Among them, any reference to the memory, database or other medium used in the embodiments provided in the present application can include at least one of non-volatile memory 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. As an illustration and not limitation, RAM can be in various forms, such as static random access memory (SRAM) or dynamic random access memory (DRAM). The database involved in each embodiment provided in this application may include at least one of a relational database and a non-relational database. Non-relational databases may include distributed databases based on blockchains, etc., but are not limited to this. The processor involved in each embodiment provided in this application may be a general-purpose processor, a central processing unit, a graphics processor, a digital signal processor, a programmable logic device, a data processing logic device based on quantum computing, an artificial intelligence (AI) processor, etc., but are not limited to this.

[0090] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, 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 application.

[0091] The above embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the attached claims.

Claims

1. A current detection system, characterized in that: The current detection system includes an interconnected current sensor array, an evaluation module and a parameter control module; The current sensor array is used to perform current detection on multiple detection areas where the current detection system is located to obtain current detection results; The evaluation module is used to evaluate the performance of the current detection system according to the current detection result and the response parameter of the current detection system to obtain an evaluation result; The parameter control module is used to adjust the circuit parameters in the current detection system when the evaluation result indicates that the current detection system is abnormal.

2. The system according to claim 1, characterized in that The current sensor array includes a plurality of fluxgate current sensors connected in parallel; Each of the fluxgate current sensors is used to perform current detection on the current to be measured in the detection area corresponding to each of the fluxgate current sensors, so as to obtain the current detection result corresponding to each of the detection areas.

3. The system according to claim 2, characterized in that The fluxgate current sensor comprises a magnetic core and a winding. The magnetic permeability of the material of the magnetic core is higher than a preset magnetic permeability threshold. The number of turns and shape of the winding are determined according to a winding simulation model under different environmental conditions.

4. The system according to any one of claims 1 to 3, characterized in that: The parameter control module is specifically used to adjust the circuit parameters in the current detection system by using a parameter adjustment algorithm when the evaluation result indicates that the current detection system is abnormal; the parameter adjustment algorithm includes at least one of a fuzzy control algorithm, a reinforcement learning algorithm and a filtering algorithm.

5. The system according to claim 4, characterized in that The parameter control module is specifically used to adjust the circuit parameters in the current detection system by using the fuzzy control algorithm and the reinforcement learning algorithm when the evaluation result indicates that the current detection system is abnormal.

6. The system according to claim 4, characterized in that The parameter control module is specifically used to adjust the filtering parameters in the circuit parameters by using the filtering algorithm when the evaluation result indicates that the current detection system is abnormal.

7. The system according to any one of claims 1 to 3, characterized in that: The current detection system further includes a desaturation detection module, which is used to detect a desaturation fault according to the circuit parameters to obtain a fault detection result.

8. The system according to claim 7, characterized in that The desaturation detection module includes a signal generation module, and the signal generation module is used to generate an excitation signal when the fault detection result indicates that a desaturation fault occurs in the current detection system.

9. The system according to claim 8, characterized in that The desaturation detection module further includes a signal adjustment module, and the signal adjustment module is used to adjust the signal parameters of the excitation signal according to the circuit parameters.

10. A current detection method, characterized in that: Applied to a current detection system, the current detection system includes an interconnected current sensor array, an evaluation module and a parameter control module, the method includes: Controlling the current sensor array to perform current detection on a plurality of detection areas where the current detection system is located to obtain current detection results; Controlling the evaluation module to evaluate the performance of the current detection system according to the current detection result and the response parameter of the current detection system to obtain an evaluation result; The parameter control module is controlled to adjust circuit parameters in the current detection system when the evaluation result indicates that the current detection system is abnormal.

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