Method, device and system for acquiring current signal data of cable

Abstract

The invention relates to a cable current signal data acquisition method, device and system. The method comprises the following steps: a data acquisition step: acquiring current signal data of a target cable, and detecting the fluctuation amplitude, the signal-to-noise ratio and the packet loss rate of the current signal data; according to the fluctuation amplitude, the signal-to-noise ratio and the packet loss rate, verifying a plurality of data processing components corresponding to the current signal data to obtain verification results; according to the verification result, an abnormal component and to-be-corrected component parameters corresponding to the abnormal component are positioned from the signal acquisition component, the signal filtering component and the data transmission component, and the to-be-corrected component parameters are corrected; and under the condition that the parameter correction of the to-be-corrected component is completed, returning to the data acquisition step until it is determined that the plurality of data processing components pass verification, and taking the acquired current signal data as target current signal data. By adopting the method, the current signal data of the cable can be accurately obtained.

Description

Technical Field

[0001] The present application relates to the technical field of cable data processing, and particularly to a method, device and system for obtaining current signal data of a cable. Background Art

[0002] With the acceleration of the urbanization process, the electricity demands for a large number of infrastructure construction, industrial production and residential life continue to climb, and various complex electricity usage scenarios emerge as the times require, which makes the cable network increasingly large and intricate. Against the background of the continuous development and upgrading of the current cable network, it is becoming increasingly crucial to accurately obtain the current signal data of the cable.

[0003] In the traditional technology, the current signal data of the cable is obtained by using a current transformer. Through the current transformer, the current signal data of the cable can be collected. Further, the collected current signal data can be subjected to a certain preprocessing to improve the effectiveness of the current signal data, so as to update the current signal data of the cable.

[0004] However, the current method for obtaining the current signal data of the cable cannot accurately obtain the current signal data. Summary of the Invention

[0005] Based on this, in view of the above technical problems, it is necessary to provide an accurate method, device, system, computer device, computer-readable storage medium and computer program product for obtaining the current signal data of the cable.

[0006] In a first aspect, the present application provides a method for obtaining current signal data of a cable, including:

[0007] A data acquisition step: obtaining the current signal data of a target cable, and detecting the fluctuation amplitude, signal-to-noise ratio and packet loss rate of the current signal data;

[0008] According to the fluctuation amplitude, signal-to-noise ratio and packet loss rate, respectively verifying a plurality of data processing components corresponding to the current signal data to obtain a verification result, wherein the plurality of data processing components include a signal acquisition component, a signal filtering component and a data transmission component;

[0009] According to the verification result, locating an abnormal component and the parameter of a component to be corrected corresponding to the abnormal component from the signal acquisition component, the signal filtering component and the data transmission component, and correcting the parameter of the component to be corrected;

[0010] When the correction of the parameter of the component to be corrected is completed, return to the data acquisition step until it is determined that all the plurality of data processing components pass the verification, and use the obtained current signal data as the target current signal data.

[0011] In one embodiment, according to the fluctuation amplitude, signal-to-noise ratio, and packet loss rate, multiple data processing components corresponding to the current signal data are respectively verified, and it further includes:

[0012] According to the fluctuation amplitude, verify the signal acquisition component corresponding to the current signal data;

[0013] When the verification of the signal acquisition component passes, according to the signal-to-noise ratio, verify the signal filtering component corresponding to the current signal data;

[0014] When the verification of the signal filtering component passes, according to the packet loss rate, verify the data transmission component corresponding to the current signal data.

[0015] In one embodiment, according to the fluctuation amplitude, verifying the signal acquisition component corresponding to the current signal data includes:

[0016] When the fluctuation amplitude is less than or equal to the preset first fluctuation amplitude threshold, it is determined that the signal acquisition component corresponding to the current signal data passes the verification;

[0017] When the fluctuation amplitude is greater than the preset first fluctuation amplitude threshold, it is determined that the signal acquisition component corresponding to the current signal data fails the verification.

[0018] In one embodiment, according to the signal-to-noise ratio, verifying the signal filtering component corresponding to the current signal data includes:

[0019] When the signal-to-noise ratio is greater than the preset first signal-to-noise ratio threshold, it is determined that the signal filtering component corresponding to the current signal data passes the verification;

[0020] When the signal-to-noise ratio is less than or equal to the preset first signal-to-noise ratio threshold, it is determined that the signal filtering component corresponding to the current signal data fails the verification.

[0021] In one embodiment, the component parameters to be corrected at least include one of the first rectifier element parameters of the signal acquisition component, the current transformer parameters of the signal acquisition component, the second rectifier element parameters of the signal filtering component, the filter parameters of the signal filtering component, and the status control parameters of the data transmission component; correcting the component parameters to be corrected includes:

[0022] When the abnormal component is the signal acquisition component, correct the first rectifier element parameters or the current transformer parameters, where the corrected first rectifier element parameters and the corrected current transformer parameters are both used to increase the sampling frequency of the signal acquisition component for the current signal data;

[0023] When the abnormal component is a signal filtering component, correct the parameters of the second rectifying element or the filter parameters, wherein the corrected parameters of the second rectifying element and the corrected filter parameters are both used to reduce the filtering cut-off frequency of the signal filtering component for the current signal data;

[0024] When the abnormal component is a data transmission component, correct the status control parameters, and the corrected status control parameters are used to switch the transmission status of the data transmission component from the high-rate communication state to the anti-interference low-rate communication state.

[0025] In one embodiment, increasing the sampling frequency of the signal acquisition component for the current signal data includes:

[0026] Obtain the first difference information between the fluctuation amplitude and the preset abnormal threshold of the fluctuation amplitude. Wherein, when the fluctuation amplitude is greater than the preset abnormal threshold of the fluctuation amplitude, the signal acquisition component of the current signal data fails the verification;

[0027] According to the first difference information, increase the sampling frequency of the signal filtering component for the current signal data;

[0028] Reducing the filtering cut-off frequency of the signal filtering component for the current signal data includes:

[0029] Obtain the second difference information between the signal-to-noise ratio and the preset abnormal threshold of the signal-to-noise ratio. Wherein, when the signal-to-noise ratio is less than the preset abnormal threshold of the signal-to-noise ratio, the signal filtering component of the current signal data fails the verification;

[0030] According to the second difference information, reduce the filtering cut-off frequency of the signal filtering component for the current signal data.

[0031] In one embodiment, according to the verification result, locate the abnormal component and the parameter of the component to be corrected corresponding to the abnormal component among the signal acquisition component, the signal filtering component and the data transmission component, including:

[0032] When the verification result is that the signal acquisition component fails the verification, determine the signal acquisition component as the abnormal component;

[0033] When the fluctuation amplitude is not greater than the preset second fluctuation amplitude threshold, determine the parameters of the first rectifying element of the signal acquisition component as the parameters of the component to be corrected;

[0034] When the fluctuation amplitude is greater than the preset second fluctuation amplitude threshold, determine the current transformer parameters of the signal acquisition component as the parameters of the component to be corrected.

[0035] In one embodiment, according to the verification result, locate the abnormal component and the parameter of the component to be corrected corresponding to the abnormal component from the signal acquisition component, the signal filtering component, and the data transmission component, including:

[0036] When the verification result shows that the signal filtering component fails the verification, determine the signal filtering component as the abnormal component;

[0037] When the signal-to-noise ratio is less than or equal to the preset second signal-to-noise ratio threshold, determine the second rectifier element parameter of the signal filtering component as the parameter of the component to be corrected;

[0038] When the signal-to-noise ratio is greater than the preset second signal-to-noise ratio threshold, determine the filter parameter of the signal filtering component as the parameter of the component to be corrected.

[0039] In a second aspect, the present application also provides a device for acquiring current signal data of a cable. The device includes:

[0040] A data detection module, used for the data acquisition step: acquire the current signal data of the target cable, and detect the fluctuation amplitude, signal-to-noise ratio, and packet loss rate of the current signal data;

[0041] A verification module, used for verifying multiple data processing components corresponding to the current signal data respectively according to the fluctuation amplitude, signal-to-noise ratio, and packet loss rate, and obtaining a verification result. Among them, the multiple data processing components include a signal acquisition component, a signal filtering component, and a data transmission component;

[0042] A correction module, used for locating the abnormal component and the parameter of the component to be corrected corresponding to the abnormal component from the signal acquisition component, the signal filtering component, and the data transmission component according to the verification result, and correcting the parameter of the component to be corrected;

[0043] A data acquisition module, used for returning to the data acquisition step when the correction of the parameter of the component to be corrected is completed, until it is determined that all the multiple data processing components pass the verification, and taking the acquired current signal data as the target current signal data.

[0044] In a third aspect, the present application also provides a system for acquiring current signal data of a cable. The system includes:

[0045] A signal acquisition component, used for the signal acquisition step: sample the current signal of the target cable;

[0046] A signal filtering component, used for filtering the sampled current signal;

[0047] A signal conversion component, used for performing analog-to-digital conversion on the filtered current signal to obtain the current signal data corresponding to the current signal;

[0048] A data transmission component for transmitting current signal data to a controller;

[0049] A controller for obtaining the current signal data of a target cable, and detecting the fluctuation amplitude, signal-to-noise ratio, and packet loss rate of the current signal data; respectively performing verification on a plurality of data processing components corresponding to the current signal data according to the fluctuation amplitude, signal-to-noise ratio, and packet loss rate to obtain a verification result, where the plurality of data processing components include a signal acquisition component, a signal filtering component, and a data transmission component; positioning an abnormal component and the component parameters to be corrected corresponding to the abnormal component from the signal acquisition component, the signal filtering component, and the data transmission component according to the verification result, and correcting the component parameters to be corrected; in the case where the component parameters to be corrected are corrected, returning to the signal acquisition step until it is determined that all the plurality of data processing components pass the verification, and taking the obtained current signal data as the target current signal data.

[0050] In a fourth aspect, the present application further provides a computer device, including a memory and a processor, the memory stores a computer program, and when the processor executes the computer program, the following steps are implemented:

[0051] A data acquisition step: obtaining the current signal data of a target cable, and detecting the fluctuation amplitude, signal-to-noise ratio, and packet loss rate of the current signal data;

[0052] Respectively performing verification on a plurality of data processing components corresponding to the current signal data according to the fluctuation amplitude, signal-to-noise ratio, and packet loss rate to obtain a verification result, where the plurality of data processing components include a signal acquisition component, a signal filtering component, and a data transmission component;

[0053] Positioning an abnormal component and the component parameters to be corrected corresponding to the abnormal component from the signal acquisition component, the signal filtering component, and the data transmission component according to the verification result, and correcting the component parameters to be corrected;

[0054] In the case where the component parameters to be corrected are corrected, returning to the data acquisition step until it is determined that all the plurality of data processing components pass the verification, and taking the obtained current signal data as the target current signal data.

[0055] In a fifth aspect, the present application further provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the following steps are implemented:

[0056] A data acquisition step: obtaining the current signal data of a target cable, and detecting the fluctuation amplitude, signal-to-noise ratio, and packet loss rate of the current signal data;

[0057] Verify multiple data processing components corresponding to the current signal data respectively according to the fluctuation amplitude, signal-to-noise ratio, and packet loss rate, and obtain a verification result, where the multiple data processing components include a signal acquisition component, a signal filtering component, and a data transmission component;

[0058] According to the verification result, locate the abnormal component and the component parameter to be corrected corresponding to the abnormal component from the signal acquisition component, the signal filtering component, and the data transmission component, and correct the component parameter to be corrected;

[0059] When the correction of the component parameter to be corrected is completed, return to the data acquisition step until it is determined that all multiple data processing components pass the verification, and use the obtained current signal data as the target current signal data.

[0060] In a sixth aspect, the present application further provides a computer program product, including a computer program, which when executed by a processor implements the following steps:

[0061] Data acquisition step: Acquire the current signal data of the target cable, and detect the fluctuation amplitude, signal-to-noise ratio, and packet loss rate of the current signal data;

[0062] Verify multiple data processing components corresponding to the current signal data respectively according to the fluctuation amplitude, signal-to-noise ratio, and packet loss rate, and obtain a verification result, where the multiple data processing components include a signal acquisition component, a signal filtering component, and a data transmission component;

[0063] According to the verification result, locate the abnormal component and the component parameter to be corrected corresponding to the abnormal component from the signal acquisition component, the signal filtering component, and the data transmission component, and correct the component parameter to be corrected;

[0064] When the correction of the component parameter to be corrected is completed, return to the data acquisition step until it is determined that all multiple data processing components pass the verification, and use the obtained current signal data as the target current signal data.

[0065] The above-mentioned method, device, system, computer device, computer-readable storage medium and computer program product for obtaining current signal data of a cable comprehensively verify whether there are abnormalities in three components, namely a signal acquisition component, a signal filtering component and a data transmission component, through the fluctuation amplitude, signal-to-noise ratio and packet loss rate of the current signal data of the target cable during the whole process. The verification is more accurate, and according to the verification result, the abnormal component and the parameter of the component to be corrected corresponding to the abnormal component are accurately located from the signal acquisition component, the signal filtering component and the data transmission component, so as to accurately correct the parameter of the component to be corrected. When the correction of the parameter of the component to be corrected is completed, return to the data acquisition step until it is determined that all multiple data processing components pass the verification, and use the obtained current signal data as the target current signal data. At this time, the obtained target current signal data is accurate current signal data. Brief Description of the Drawings

[0066] In order to more clearly illustrate the technical solutions in the embodiments of the present application or related technologies, the following will briefly introduce the drawings required for the description in the embodiments of the present application or related technologies. Obviously, the drawings in the following description are some embodiments of the present application. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0067] Figure 1 It is an application environment diagram of the method for obtaining current signal data of a cable in an embodiment;

[0068] Figure 2 It is a flowchart of the method for obtaining current signal data of a cable in an embodiment;

[0069] Figure 3 It is a flowchart of the method for obtaining current signal data of a cable in another embodiment;

[0070] Figure 4 It is a structural block diagram of the device for obtaining current signal data of a cable in an embodiment;

[0071] Figure 5 It is an internal structure diagram of a computer device in an embodiment. Detailed Description of the Embodiments

[0072] In order to make the purpose, technical solutions and advantages of the present application clearer, the following further details the present application in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are used to explain the present application, but not to limit the present application.

[0073] The method for obtaining current signal data of a cable provided by the embodiments of the present application can be applied to, for example Figure 1In the application environment shown. Among them, the terminal 102 communicates with the current signal data acquisition system 104 of the cable through the network. Among them, the current signal data acquisition system 104 includes a signal acquisition component 105, a signal filtering component 106, a signal conversion component 107, a data transmission component 108, and a controller 109. The data storage system can store the data that the current signal data acquisition system 104 needs to process. The data storage system can be integrated on the current signal data acquisition system 104, or can be placed on the cloud or other network servers.

[0074] Specifically, the user operates on the terminal 102 to trigger the current signal data acquisition control. The terminal 102 responds to the trigger operation and sends a current signal data acquisition request to the current signal data acquisition system 104. The current signal data acquisition system 104 responds to the current signal data acquisition request, samples the current signal data of the cable through the signal acquisition component 105, filters the sampled current signal data through the signal filtering component 106, and then converts the filtered current signal data through the signal conversion component 107 to obtain the current signal data corresponding to the current signal data, and transmits the filtered current signal data to the controller through the data transmission component 108. Finally, the controller 109 acquires the current signal data of the target cable and detects the fluctuation amplitude, signal-to-noise ratio, and packet loss rate of the current signal data; according to the fluctuation amplitude, signal-to-noise ratio, and packet loss rate, respectively verify multiple data processing components corresponding to the current signal data to obtain a verification result, where the multiple data processing components include a signal acquisition component, a signal filtering component, and a data transmission component; according to the verification result, locate the abnormal component and the parameter of the component to be corrected corresponding to the abnormal component from the signal acquisition component, the signal filtering component, and the data transmission component, and correct the parameter of the component to be corrected; in the case where the parameter of the component to be corrected is corrected, return to the data acquisition step until it is determined that all multiple data processing components pass the verification, and use the acquired current signal data as the target current signal data.

[0075] Among them, the terminal 102 can be but is not limited to various personal computers, laptop computers, smart phones, tablet computers, Internet of Things devices, and portable wearable devices. The Internet of Things devices can be smart speakers, smart TVs, smart air conditioners, smart in-vehicle devices, projection devices, etc. The portable wearable devices can be smart watches, smart bracelets, head-mounted devices, etc. The head-mounted device can be a virtual reality (VR) device, an augmented reality (AR) device, smart glasses, etc.

[0076] In an exemplary embodiment, as Figure 2 shown, a method for acquiring current signal data of a cable is provided, and this method is applied to Figure 1Take the controller 109 in it as an example for illustration. Among them:

[0077] S100, data acquisition step: Acquire the current signal data of the target cable, and detect the fluctuation amplitude, signal-to-noise ratio, and packet loss rate of the current signal data.

[0078] Among them, the fluctuation amplitude is an important parameter describing the intensity of signal data, and is usually used to evaluate the change amount of the amplitude of the wave. In signal data processing, the fluctuation amplitude of signal data can represent the change amount of the amplitude within a period of time. Specifically, the fluctuation amplitude of the current signal data is the difference between the maximum current and the minimum current of the current signal data within a single sampling period. The signal-to-noise ratio is an index measuring the signal intensity relative to the background noise intensity, and its calculation is based on the ratio of the signal power to the noise power. This ratio can be used to represent the quality of the signal. The higher the signal-to-noise ratio, the larger the proportion of the useful information part in the signal and the smaller the noise. The packet loss rate is the ratio of the number of lost data packets to the number of transmitted data groups in the test.

[0079] Specifically, this application is applied to a current signal data acquisition system for cables. Among them, the current signal data acquisition system includes a signal acquisition component, a signal filtering component, a signal conversion component, a data transmission component, and a controller.

[0080] Among them, the signal acquisition component is used to sample the current signal of the cable. In practical applications, the signal acquisition component is generally a current transformer; the signal filtering component is connected to the signal acquisition component and is used to filter the sampled current signal. In practical applications, the signal filtering component is a low-pass filter, a high-pass filter, or a band-stop filter. In this application, a low-pass filter is generally selected; the signal conversion component is connected to the signal filtering component and is used to perform analog-to-digital conversion on the filtered current signal to obtain the current signal data corresponding to the current signal; the data transmission component is used to transmit the current signal data to the controller; the controller is connected to the signal acquisition component, the signal filtering component, the signal conversion component, and the data transmission component respectively, and is used to acquire the current signal data of the cable and detect the fluctuation amplitude, signal-to-noise ratio, and packet loss rate of the current signal data; according to the fluctuation amplitude, signal-to-noise ratio, and packet loss rate, to verify whether the current signal data is abnormal through the detected information. If the current signal data is abnormal, it is considered that an abnormality has occurred in the process of acquiring the current signal data.

[0081] In an exemplary embodiment, the signal conversion component in the current signal data acquisition system includes an amplification component connected to the signal filtering component and an analog-to-digital conversion component connected to the amplification component. The amplification component is used to perform amplification processing on the filtered current signal, and the analog-to-digital conversion component is used to perform analog-to-digital conversion on the amplified current signal to obtain the current signal data corresponding to the current signal.

[0082] In an exemplary embodiment, the data transmission component in the current signal data acquisition system includes a wireless communication component and a display component. The wireless communication component is connected to the signal conversion component for performing analog-to-digital conversion on the filtered current signal. The display component is connected to the wireless communication component for displaying the current signal data. In practical applications, the display component is generally a display screen.

[0083] In an exemplary embodiment, the current signal data acquisition system further includes a storage component, etc. The storage component is respectively connected to the signal acquisition component, the signal filtering component, the signal conversion component, and the data transmission component for respectively storing the current signal and the current signal data corresponding to the current signal.

[0084] S200, according to the fluctuation amplitude, signal-to-noise ratio, and packet loss rate, respectively verify multiple data processing components corresponding to the current signal data to obtain a verification result.

[0085] Among them, the multiple data processing components include a signal acquisition component, a signal filtering component, and a data transmission component.

[0086] Specifically, according to the fluctuation amplitude, signal-to-noise ratio, and packet loss rate, respectively verify each data processing component of the current signal data. Further, according to the fluctuation amplitude, verify the signal acquisition component of the current signal data. According to the signal-to-noise ratio, verify the signal filtering component of the current signal data. According to the packet loss rate, verify the data transmission component of the current signal data. Further, verifying each data processing component corresponding to the current signal data can be performed simultaneously or one by one.

[0087] S300, according to the verification result, locate the abnormal component and the parameter of the component to be corrected corresponding to the abnormal component from the signal acquisition component, the signal filtering component, and the data transmission component, and correct the parameter of the component to be corrected.

[0088] Specifically, the verification result can be that the verifications of multiple data processing components all pass, or there is at least one data processing component whose verification fails. For example, the signal acquisition component is abnormal, or the signal acquisition component, the signal filtering component, and the data transmission component are all abnormal, etc.

[0089] When there is at least one data processing component whose verification fails, locate the abnormal component from the signal acquisition component, the signal filtering component, and the data transmission component. For example, when the signal acquisition component fails the verification, locate the abnormal component as the signal acquisition component. When the signal filtering component fails the verification, locate the abnormal component as the signal filtering component. When both the signal filtering component and the data transmission component fail the verification, locate the abnormal components as the signal filtering component and the data transmission component.

[0090] Further, after the abnormal component is located, it is also necessary to determine the component parameters to be corrected corresponding to the abnormal component, and correct the component parameters to be corrected in the abnormal component. The component parameters to be corrected in the signal acquisition component are the factors that may affect the signal acquisition of the current signal data, the component parameters to be corrected in the signal filtering component are the factors that may affect the signal filtering of the current signal data, and the component parameters to be corrected in the data transmission component are the factors that may affect the data transmission of the current signal data.

[0091] S400, when the correction of the component parameters to be corrected is completed, return to the data acquisition step until it is determined that all multiple data processing components pass the verification, and use the acquired current signal data as the target current signal data.

[0092] Specifically, after correcting the component parameters to be corrected in the abnormal component, the abnormal component is corrected to a normal data processing component at this time and can normally execute the process of acquiring the current signal data. Therefore, when the correction is completed, the data acquisition step can be returned to re-acquire new current signal data, and the multiple data processing components corresponding to the newly acquired current signal data are verified again to determine whether new abnormalities occur until it is determined that all multiple data processing components pass the verification, and use the acquired current signal data as the target current signal data.

[0093] In the above method for acquiring the current signal data of the cable, throughout the process, through the three factors of the fluctuation amplitude, signal-to-noise ratio, and packet loss rate of the current signal data of the target cable, a comprehensive verification is carried out on whether there are abnormalities in the three components of the signal acquisition component, signal filtering component, and data transmission component. The verification is more accurate, and based on the verification results, the abnormal component and the component parameters to be corrected corresponding to the abnormal component are accurately located from the signal acquisition component, signal filtering component, and data transmission component to accurately correct the component parameters to be corrected. When the correction of the component parameters to be corrected is completed, return to the data acquisition step until it is determined that all multiple data processing components pass the verification, and use the acquired current signal data as the target current signal data. At this time, the acquired target current signal data is accurate current signal data.

[0094] In an exemplary embodiment, as Figure 3 shown, S200 further includes:

[0095] S220, verify the signal acquisition component corresponding to the current signal data according to the fluctuation amplitude.

[0096] S240, when the verification of the signal acquisition component passes, verify the signal filtering component corresponding to the current signal data according to the signal-to-noise ratio.

[0097] S260. When the verification of the signal filtering component passes, verify the data transmission component corresponding to the current signal data according to the packet loss rate.

[0098] Specifically, in the process of sequentially verifying each data processing component corresponding to the current signal data according to the fluctuation amplitude, signal-to-noise ratio, and packet loss rate, first, verify the signal acquisition component corresponding to the current signal data according to the fluctuation amplitude. Second, verify the signal filtering component corresponding to the current signal data according to the signal-to-noise ratio. Finally, verify the data transmission component corresponding to the current signal data according to the packet loss rate.

[0099] Furthermore, in this embodiment, it does not blindly verify each data processing component sequentially. Instead, when the verification of the previous data processing component fails, the verification of the subsequent data processing component will start. For example, when continuing to verify the signal filtering component after the verification of the signal acquisition component fails, since the current signal data has already become abnormal due to the previous unverified signal acquisition component, at this time, the current signal data is already abnormal data. When verifying the signal filtering component, the current signal data will also be abnormal data, and it is impossible to determine whether the signal filtering component corresponding to the current signal data can pass the verification based on the abnormal data.

[0100] Specifically, verify the signal acquisition component corresponding to the current signal data according to the fluctuation amplitude. When the verification of the signal acquisition component passes, verify the signal filtering component corresponding to the current signal data according to the signal-to-noise ratio. When the verification of the signal filtering component passes, verify the data transmission component corresponding to the current signal data according to the packet loss rate.

[0101] In an exemplary embodiment, when the verification of the signal acquisition component of the current signal data fails according to the fluctuation amplitude, there is no need to perform the subsequent verification operation of the signal filtering component. Instead, it is necessary to correct the parameters of the component to be corrected in the signal acquisition component. Similarly, when the verification of the signal filtering component of the current signal data fails according to the signal-to-noise ratio, there is no need to perform the subsequent verification operation of the data transmission component. Instead, it is necessary to correct the parameters of the component to be corrected in the signal filtering component.

[0102] In an exemplary embodiment, when the verification of the signal acquisition component corresponding to the current signal data fails according to the fluctuation amplitude, the subsequent verification operation of the signal filtering component can still be performed. When the verification of the signal filtering component of the current signal data fails according to the signal-to-noise ratio, the subsequent verification operation of the data transmission component can still be performed.

[0103] In the above embodiments, by checking each of the multiple data processing components corresponding to the current signal data according to the fluctuation amplitude, signal-to-noise ratio, and packet loss rate, the data acquisition process of the current signal data can be more comprehensively verified, so as to locate the abnormal component and the parameter of the component to be corrected corresponding to the abnormal component in the signal acquisition component, signal filtering component, and data transmission component in a timely manner, and correct the parameter of the component to be corrected. Subsequently, the corrected components can be used to acquire data, and more accurate current signal data can be obtained.

[0104] In an exemplary embodiment, checking the signal acquisition component corresponding to the current signal data according to the fluctuation amplitude includes:

[0105] When the fluctuation amplitude is less than or equal to the preset first fluctuation amplitude threshold, it is determined that the signal acquisition component corresponding to the current signal data passes the check; when the fluctuation amplitude is greater than the preset first fluctuation amplitude threshold, it is determined that the signal acquisition component corresponding to the current signal data fails the check.

[0106] Specifically, the controller is used to obtain the current signal data within a single sampling period and calculate the fluctuation amplitude of the current signal data. If the fluctuation amplitude of the current signal data is greater than the preset first fluctuation amplitude threshold, it is determined that the signal acquisition component corresponding to the current signal data fails the check, and the sampling stability of the cable current does not meet the requirements; if the fluctuation amplitude of the current signal data is less than or equal to the preset first fluctuation amplitude threshold, it is determined that the signal acquisition component corresponding to the current signal data passes the check, and the sampling stability of the cable current meets the requirements.

[0107] In the above embodiments, by setting the preset first fluctuation amplitude threshold, it can be accurately determined whether the signal acquisition component corresponding to the current signal data passes the check, and further determine whether the sampling stability of the cable current meets the requirements.

[0108] In an exemplary embodiment, checking the signal filtering component corresponding to the current signal data according to the signal-to-noise ratio includes:

[0109] When the signal-to-noise ratio is greater than the preset first signal-to-noise ratio threshold, it is determined that the signal filtering component corresponding to the current signal data passes the check; when the signal-to-noise ratio is less than or equal to the preset first signal-to-noise ratio threshold, it is determined that the signal filtering component corresponding to the current signal data fails the check.

[0110] Specifically, the controller obtains the signal-to-noise ratio of the current signal data sampled within a single period. If the signal-to-noise ratio of the current signal data sampled within a single period is less than or equal to a preset first signal-to-noise ratio threshold, it is determined that the sampling reliability of the cable current does not meet the requirements, and the signal filtering component of the current signal data fails the verification; if the signal-to-noise ratio of the current signal data sampled within a single period is greater than the preset first signal-to-noise ratio threshold, it is determined that the sampling reliability of the cable current meets the requirements, and the signal filtering component of the current signal data passes the verification.

[0111] In the above embodiment, by setting the preset first signal-to-noise ratio threshold, it is possible to accurately determine whether the signal filtering component of the current signal data passes the verification, and further determine whether the sampling reliability of the cable current meets the requirements.

[0112] In an exemplary embodiment, the component parameter to be corrected includes at least one of the first rectifier element parameter of the signal acquisition component, the current transformer parameter of the signal acquisition component, the second rectifier element parameter of the signal filtering component, the filter parameter of the signal filtering component, and the state control parameter of the data transmission component; correcting the component parameter to be corrected includes:

[0113] When the abnormal component is the signal acquisition component, correct the first rectifier element parameter or the current transformer parameter. Among them, the corrected first rectifier element parameter and the corrected current transformer parameter are both used to increase the sampling frequency of the signal acquisition component for the current signal data; when the abnormal component is the signal filtering component, correct the second rectifier element parameter or the filter parameter. Among them, the corrected second rectifier element parameter and the corrected filter parameter are both used to reduce the filter cut-off frequency of the signal filtering component for the current signal data; when the abnormal component is the data transmission component, correct the state control parameter, and the corrected state control parameter is used to switch the transmission state parameter of the data transmission component from the high-rate communication state parameter to the anti-interference low-rate communication state parameter.

[0114] Specifically, when the abnormal component is the signal acquisition component, the signal acquisition component in the current signal data acquisition system is in a working state. The reasons for the abnormality of the signal acquisition component may be the following situations:

[0115] The first case: During the operation of the signal acquisition component, if the current of the measured cable of the current transformer is too large, it may cause the output signal to be distorted, resulting in a deviation in the sampled current signal. At this time, it is necessary to adjust the parameters of the current transformer related to the sampling frequency of the current signal data in the signal acquisition component to adjust the sampling frequency of the current signal data. Further, adjusting the current transformer parameters generally means adjusting the current transformer parameters to increase the sampling frequency of the current signal data. For example, the sampling frequency of the current signal data can be increased by increasing the magnitude and amplitude of the current transformer parameters.

[0116] The second case: Due to the different forward voltage drops of the rectifying elements caused by long-term use, the output DC signal generates ripples, which interfere with the subsequent processing of the current signal and cause fluctuations in the sampled data. At this time, it is necessary to adjust the parameters of the first rectifying element related to the sampling frequency of the current signal data in the signal acquisition component to adjust the sampling frequency of the current signal data. For example, the sampling frequency of the current signal data can be increased by increasing the magnitude and amplitude of the first rectifying element parameters.

[0117] By increasing the sampling frequency of the current signal data, more data points can be obtained. When processing the signal subsequently, there will be richer information to distinguish the real signal components and the distorted components, further improving the sampling stability of the cable current.

[0118] In the case where the abnormal component is the signal filtering component, the signal filtering component in the current signal data acquisition system is in the working state. The reasons for the abnormality of the signal acquisition component may be as follows:

[0119] The first case: Due to the different forward voltage drops of the rectifying elements caused by long-term use, the output DC signal generates ripples, which interfere with the subsequent processing of the current signal and cause fluctuations in the sampled data. Therefore, the filtering cut-off frequency of the signal filtering component can be reduced by adjusting the parameters of the second rectifying element related to the filtering cut-off frequency of the current signal data in the signal filtering component. For example, the filtering cut-off frequency of the signal filtering component can be reduced by decreasing the magnitude and amplitude of the second rectifying element parameters of the signal filtering component.

[0120] The second case: Due to excessive noise, data loss occurs in the current signal data. Therefore, the filtering cut-off frequency of the signal filtering component can be reduced by adjusting the parameters of the filter related to the filtering cut-off frequency of the current signal data in the signal filtering component. For example, the filtering cut-off frequency of the signal filtering component can be reduced by decreasing the magnitude and amplitude of the filter parameters of the signal filtering component.

[0121] Reducing the filtering cut-off frequency of the signal filtering component can enable the filter to better attenuate the ripple, making the output signal closer to the ideal DC signal. Moreover, by reducing the cut-off frequency of the filter, the noise content in the signal can also be reduced, preventing the noise from interfering with the signal filtering process and further improving the sampling stability of the cable current.

[0122] In the case where the abnormal component is the data transmission component, it indicates that an abnormality has occurred in the data transmission process. Generally, the occurrence of an abnormality in the data transmission component is due to signal loss caused by unstable communication. Therefore, the state control parameters of the data transmission component can be adjusted to switch the transmission state of the data transmission component from the high-rate communication state to the anti-interference low-rate communication state, that is, switch the data transmission component of the current signal data from the high-rate communication module to the anti-interference low-rate communication module. Although the data transmission speed slows down, the anti-interference ability is improved, which can avoid data loss caused by unstable communication, thereby improving the stability of data transmission.

[0123] In the above embodiments, the parameters of the component to be corrected in the abnormal component are corrected through different correction methods. The correction process is more accurate and the correction efficiency is higher. The parameters of the component to be corrected in the abnormal component corresponding to the current signal data can be corrected in a timely manner to obtain more accurate current signal data.

[0124] In an exemplary embodiment, increasing the sampling frequency of the signal acquisition component for the current signal data includes:

[0125] Obtaining a first difference between the fluctuation amplitude and the preset abnormal threshold of the fluctuation amplitude; according to the first difference, increasing the sampling frequency of the signal acquisition component for the current signal data.

[0126] Reducing the filtering cut-off frequency of the signal filtering component for the current signal data includes:

[0127] Obtaining a second difference between the signal-to-noise ratio and the preset abnormal threshold of the signal-to-noise ratio; according to the second difference, reducing the filtering cut-off frequency of the signal filtering component for the current signal data.

[0128] Among them, when the fluctuation amplitude is greater than the preset abnormal threshold of the fluctuation amplitude, the signal acquisition component of the current signal data fails the verification. When the fluctuation amplitude is less than or equal to the preset abnormal threshold of the fluctuation amplitude, the signal acquisition component of the current signal data passes the verification. When the signal-to-noise ratio is less than or equal to the preset abnormal threshold of the signal-to-noise ratio, the signal filtering component of the current signal data fails the verification. When the signal-to-noise ratio is greater than the preset abnormal threshold of the signal-to-noise ratio, the signal filtering component of the current signal data passes the verification.

[0129] Specifically, the sampling frequency of the current signal data is determined according to the fluctuation amplitude of the current signal data, and the filtering cut-off frequency of the current signal data is determined according to the signal-to-noise ratio of the current signal data.

[0130] More specifically, for the sampling frequency of the current signal data, the increasing amplitude of the sampling frequency of the current signal data is determined by the difference between the fluctuation amplitude of the current signal data and the preset abnormal threshold of the fluctuation amplitude.

[0131] For example, when the difference between the fluctuation amplitude of the current signal data and the preset abnormal threshold of the fluctuation amplitude is within 3A, the sampling frequency of the current signal data increases to 1.2 times the original; when the difference between the fluctuation amplitude of the current signal data and the preset abnormal threshold of the fluctuation amplitude exceeds 3A, on the basis of increasing to 1.2 times the original, for every additional 2A exceeded, the sampling frequency of the current signal data increases by 5HZ. For example, if the difference between the fluctuation amplitude of the current signal data and the preset abnormal threshold of the fluctuation amplitude is 7A and the current sampling frequency of the current signal data is 50Hz, the increased sampling frequency of the current signal data is 50×1.2 + 5×2 = 70Hz.

[0132] For the filtering cut-off frequency of the current signal data, the decreasing amplitude of the filtering cut-off frequency of the signal filtering component is determined by the difference between the signal-to-noise ratio of the current signal data sampled in a single period and the preset abnormal threshold of the signal-to-noise ratio.

[0133] For example, when the difference between the signal-to-noise ratio of the current signal data sampled in a single period and the preset abnormal threshold of the signal-to-noise ratio is within 6dB, the filtering cut-off frequency of the signal filtering component decreases to 0.92 times the original; when the difference between the signal-to-noise ratio of the current signal data sampled in a single period and the preset abnormal threshold of the signal-to-noise ratio exceeds 6dB, on the basis of decreasing to 0.92 times the original, for every additional 2dB exceeded, the filtering cut-off frequency of the signal filtering component decreases by 3Hz. For example, if the difference between the signal-to-noise ratio of the current signal data sampled in a single period and the preset abnormal threshold of the signal-to-noise ratio is 10dB and the current filtering cut-off frequency of the signal filtering component is 50Hz, the decreased filtering cut-off frequency of the signal filtering component is 50×0.92 - 3×2 = 40Hz.

[0134] In the above embodiments, through the difference between the fluctuation amplitude and the preset abnormal threshold of the fluctuation amplitude, the sampling frequency of the current signal data can be accurately increased, and according to the difference between the signal-to-noise ratio and the preset abnormal threshold of the signal-to-noise ratio, the filtering cut-off frequency of the current signal data can be accurately decreased, thereby accurately correcting the parameters of the component to be corrected in the abnormal component.

[0135] In an exemplary embodiment, according to the verification result, locate the abnormal component and the component parameter to be corrected corresponding to the abnormal component from the signal acquisition component, the signal filtering component, and the data transmission component, including:

[0136] When the verification result shows that the signal acquisition component fails the verification, determine the signal acquisition component as the abnormal component; when the fluctuation amplitude is not greater than the preset second fluctuation amplitude threshold, determine the first rectifier element parameter of the signal acquisition component as the component parameter to be corrected; when the fluctuation amplitude is greater than the preset second fluctuation amplitude threshold, determine the current transformer parameter of the signal acquisition component as the component parameter to be corrected.

[0137] Specifically, when the verification result shows that the signal acquisition component fails the verification, that is, when the fluctuation amplitude is greater than the preset first fluctuation amplitude threshold, determine the signal acquisition component as the abnormal component.

[0138] At this time, the abnormal reason for the signal acquisition component of the current signal data that fails the verification due to a large fluctuation amplitude can also be located by setting the preset second fluctuation amplitude threshold, and then according to the abnormal reason, determine the component parameter to be corrected corresponding to the abnormal component.

[0139] It can be understood that the three intervals divided according to the preset first fluctuation amplitude threshold and the preset second fluctuation amplitude threshold respectively correspond to three situations:

[0140] The first interval is that the fluctuation amplitude of the current signal data is less than or equal to the preset first fluctuation amplitude threshold, and the corresponding situation is: the sampling stability of the cable current meets the requirements, and the signal acquisition component of the current signal data passes the verification;

[0141] The second interval is that the fluctuation amplitude of the current signal data is greater than the preset first fluctuation amplitude threshold and less than or equal to the preset second fluctuation amplitude threshold, and the corresponding situation is: due to long-term use, the forward voltage drops of the rectifier elements of the signal acquisition component are different, resulting in ripples in the output DC signal, thereby interfering with the subsequent processing of the current signal and causing fluctuations in the sampling data. At this time, the signal acquisition component of the current signal data fails the verification, and the first rectifier element parameter of the signal acquisition component can be determined as the component parameter to be corrected, and by correcting the first rectifier element parameter, the sampling frequency of the signal acquisition component for the current signal data can be increased;

[0142] The third interval is that the fluctuation amplitude of the current signal data is greater than the preset second fluctuation amplitude threshold, and the corresponding situation is as follows: During the operation of the current transformer, if the current of the measured cable is too large, it may cause the output signal to be distorted, resulting in a deviation in the sampled current signal. At this time, if the signal acquisition component of the current signal data fails the verification, the current transformer parameters of the signal acquisition component can be determined as the component parameters to be corrected, and by correcting the current transformer parameters, the sampling frequency of the signal acquisition component for the current signal data can be increased.

[0143] That is to say, when the fluctuation amplitude is greater than the preset first fluctuation amplitude threshold and less than or equal to the preset second fluctuation amplitude threshold, the abnormal reason for the signal acquisition component of the current signal data failing the verification is determined to be the different forward voltage drops of the rectifying elements of the signal acquisition component. It is necessary to correct the rectifying element parameters to increase the sampling frequency of the signal acquisition component for the current signal data; when the fluctuation amplitude is greater than the preset second fluctuation amplitude threshold, the abnormal reason for the signal acquisition component of the current signal data failing the verification is determined to be that the current of the current signal data in the current transformer of the signal acquisition component is too large, and it is necessary to correct the current transformer parameters to increase the sampling frequency of the signal acquisition component for the current signal data.

[0144] In practical applications, the generally selected range of the preset first fluctuation amplitude threshold is [6A, 8A], and the generally selected range of the preset second fluctuation amplitude threshold is [9A, 11A]. For example, the preset first fluctuation amplitude threshold can be set to 7A, and the preset second fluctuation amplitude threshold can be set to 10A.

[0145] In an exemplary embodiment, when the fluctuation amplitude is greater than the preset first fluctuation amplitude threshold and less than or equal to the preset second fluctuation amplitude threshold, and when the fluctuation amplitude of the current signal data is greater than the preset second fluctuation amplitude threshold, the abnormal component is the signal acquisition component. At this time, the component parameters to be corrected in the signal acquisition component can be corrected to increase the sampling frequency of the current signal data.

[0146] In an exemplary embodiment, the controller can also determine that the sampling stability of the cable current does not meet the requirements when the fluctuation amplitude of the current signal data is greater than the preset first fluctuation amplitude threshold, and determine whether the sampling reliability of the cable current meets the requirements based on the signal-to-noise ratio of the current signal data sampled within a single period.

[0147] In the above embodiments, by setting the preset first fluctuation amplitude threshold and the preset second fluctuation amplitude threshold, the sampling stability of the cable current and the reasons affecting the sampling stability of the cable current are accurately determined, reducing the impact of the poor sampling stability of the cable current on the sampling accuracy of the cable current, and further improving the sampling stability of the cable current.

[0148] In an exemplary embodiment, according to the verification result, locate the abnormal component and the component parameter to be corrected corresponding to the abnormal component from the signal acquisition component, the signal filtering component, and the data transmission component, including:

[0149] When the verification result shows that the signal filtering component fails the verification, determine the signal filtering component as the abnormal component; when the signal-to-noise ratio is less than or equal to the preset second signal-to-noise ratio threshold, determine the second rectifier element parameter of the signal filtering component as the component parameter to be corrected; when the signal-to-noise ratio is greater than the preset second signal-to-noise ratio threshold, determine the filter parameter of the signal filtering component as the component parameter to be corrected.

[0150] Specifically, when the verification result shows that the signal filtering component fails the verification, that is, when the signal-to-noise ratio is less than or equal to the preset first signal-to-noise ratio threshold, determine the signal filtering component as the abnormal component.

[0151] At this time, a preset second fluctuation amplitude threshold can be set to locate the abnormal reason that the signal filtering component of the current signal data fails the verification due to a relatively small signal-to-noise ratio.

[0152] Further, according to the three intervals divided by the preset second signal-to-noise ratio threshold and the preset first signal-to-noise ratio threshold, they respectively correspond to three situations:

[0153] The first interval is that the signal-to-noise ratio of the current signal data sampled within a single period is less than or equal to the preset second signal-to-noise ratio threshold, and the corresponding situation is: when the wireless communication module is transmitting data, due to the interference of the surrounding environment, the communication signal is interrupted or data packets are lost, affecting the real-time upload of sampled data, and the signal filtering component of the current signal data fails the verification; it should be noted that in wireless communication, the signal-to-noise ratio is one of the key indicators to measure the signal transmission quality. When the signal-to-noise ratio is lower than a certain threshold, the noise in the signal may interfere with the correct transmission of data, resulting in data packet loss. Therefore, the decrease in the signal-to-noise ratio is usually directly related to the increase in the packet loss rate. At this time, the filter parameter of the signal filtering component can be determined as the component parameter to be corrected, and by adjusting the filter parameter, the filtering cut-off frequency of the signal filtering component for the current signal data can be reduced.

[0154] The second interval is that the signal-to-noise ratio of the current signal data sampled within a single period is greater than the preset second signal-to-noise ratio threshold and less than or equal to the preset first signal-to-noise ratio threshold. The corresponding situation is as follows: Due to the different forward voltage drops of the rectifying elements caused by long-term use, the output DC signal generates ripples, which interfere with the subsequent processing of the current signal, causing fluctuations in the sampled data, and the signal filtering component of the current signal data fails the verification. At this time, the parameters of the second rectifying element of the signal filtering component can be determined as the component parameters to be corrected, and by adjusting the parameters of the second rectifying element, the filtering cut-off frequency of the signal filtering component for the current signal data can be reduced.

[0155] The third interval is that the signal-to-noise ratio of the current signal data sampled within a single period is greater than the preset first signal-to-noise ratio threshold. The corresponding situation is as follows: The sampling reliability of the cable current meets the requirements, and the signal filtering component of the current signal data passes the verification.

[0156] In practical applications, the generally selected range of the preset second signal-to-noise ratio threshold is [45 dB, 55 dB], and the generally selected range of the preset first signal-to-noise ratio threshold is [56 dB, 66 dB]. For example, the preset second signal-to-noise ratio threshold can be selected as 50 dB, and the preset first signal-to-noise ratio threshold can be selected as 60 dB.

[0157] In an exemplary embodiment, when the signal-to-noise ratio is less than or equal to the preset second signal-to-noise ratio threshold or the signal-to-noise ratio is greater than the preset second signal-to-noise ratio threshold and less than or equal to the preset first signal-to-noise ratio threshold, the abnormal component is the signal filtering component. At this time, the component parameters to be corrected corresponding to the abnormal component can be adjusted to reduce the filtering cut-off frequency of the current signal data, so that the signal filtering component can better attenuate the ripples and make the output signal closer to the ideal DC signal, further improving the sampling reliability of the cable current.

[0158] It should be explained that when the signal-to-noise ratio is greater than the preset second signal-to-noise ratio threshold and less than or equal to the preset first signal-to-noise ratio threshold, the reason for the abnormal failure to pass the verification is determined to be that the signal filtering component has data interruption or data packet loss. And the reason for adjusting the filter parameters to reduce the filtering cut-off frequency of the current signal data at this time is as follows: Reducing the cut-off frequency of the filter can effectively attenuate high-frequency noise, reduce the interference of these noises on the signal, thereby improving the purity of the signal, which is beneficial for subsequent signal processing and data recovery. Even in the case of packet loss, it can also ensure the integrity of the signal as much as possible. By reducing the cut-off frequency of the filter, the fluctuations in the signal can be better smoothed, and the output signal can be closer to the ideal DC signal. Reducing the cut-off frequency of the filter can further optimize the signal-to-noise ratio and reduce the influence of noise on the signal. Even in the case of a high packet loss rate, the optimized signal quality can provide more favorable conditions for subsequent communication module switching and data recovery.

[0159] In an exemplary embodiment, when a preset first signal-to-noise ratio threshold and a preset second signal-to-noise ratio threshold are set, the preset signal-to-noise ratio anomaly threshold is generally the smaller preset second signal-to-noise ratio threshold among the two thresholds. According to the second difference information between the signal-to-noise ratio and the preset second signal-to-noise ratio threshold, the filter cut-off frequency of the signal filtering component for the current signal data is reduced. The rest is the same as described in the above embodiment and will not be elaborated here.

[0160] In the above embodiment, by setting the preset first signal-to-noise ratio threshold and the preset second signal-to-noise ratio threshold, the sampling reliability of the cable current and the abnormal reasons affecting the sampling reliability of the cable current are determined. By accurately positioning the abnormal component and the parameter of the component to be corrected corresponding to the abnormal component, the influence of the low sampling reliability of the cable current on the accuracy of the acquisition of the current signal data is significantly reduced, and the accuracy of the acquisition of the current signal data is further improved.

[0161] In an exemplary embodiment, according to the packet loss rate, the data transmission component of the current signal data is verified, including:

[0162] When the packet loss rate is less than or equal to the preset packet loss rate threshold, it is determined that the data transmission component of the current signal data passes the verification. When the packet loss rate is greater than the preset packet loss rate threshold, it is determined that the data transmission component of the current signal data fails the verification.

[0163] Specifically, the controller is used to respectively obtain the number of packet losses and the total number of data transmissions in several transmission cycles, and calculate the packet loss rate of the data transmission. If the packet loss rate is greater than the preset packet loss rate threshold, it is determined that the data transmission component of the current signal data fails the verification, and the transmission quality of the communication signal does not meet the requirements. At this time, the parameter of the component to be corrected is determined as the transmission state parameter, and by triggering the transmission state parameter switching mechanism, the transmission state parameter is corrected, that is, the transmission state parameter of the data transmission component is switched from the high-rate communication state parameter to the anti-interference low-rate communication state parameter.

[0164] It can be understood that the preset packet loss rate threshold divides two intervals, corresponding to the following two situations respectively:

[0165] 1. When the packet loss rate is less than or equal to the preset packet loss rate threshold, the transmission quality of the communication signal meets the requirements, and the system maintains the transmission state of the current communication module;

[0166] 2. When the packet loss rate is greater than the preset packet loss rate threshold, it indicates that the current data transmission component is affected by the environment interference, resulting in an increase in the packet loss rate. The system will switch to a backup communication transmission state with stronger anti-interference ability. When the packet loss rate returns to the normal range, the system can switch back to the high-rate communication transmission state. This design not only ensures the reliability of communication but also optimizes the transmission efficiency.

[0167] In practical applications, the value range of the preset packet loss rate threshold is usually [0.02, 0.04]. For example, the preset packet loss rate threshold can be set to 0.03.

[0168] More specifically, the packet loss rate is the ratio of the number of packet losses in data transmission within a number of transmission cycles to the total number of data transmissions.

[0169] In the above embodiments, by setting the preset packet loss rate threshold, the system can dynamically evaluate the transmission quality of communication data, avoid data loss caused by unstable communication, and when it is detected that the packet loss rate exceeds the preset threshold, automatically switch from the high-rate communication transmission state to the low-rate communication transmission state with stronger anti-interference ability. The dynamic switch is achieved through the collaborative work of multiple communication transmission states, which can improve the stability of data transmission.

[0170] In an exemplary embodiment, the current signal data acquisition system includes a current transformer, a signal filtering component, an amplification component, an analog-to-digital conversion component, a wireless communication component, and a controller.

[0171] The current transformer samples the current signal of the cable, the signal filtering component filters the sampled current signal, the amplification component amplifies the filtered current signal, and then the analog-to-digital conversion component performs analog-to-digital conversion on the amplified current signal to obtain the current signal data corresponding to the current signal. The wireless communication component is used to transmit the current signal data to the controller.

[0172] The controller acquires the current signal data corresponding to the sampled current signal and detects the fluctuation amplitude, signal-to-noise ratio, and packet loss rate of the current signal data.

[0173] When the fluctuation amplitude is less than or equal to a preset first fluctuation amplitude threshold, it is determined that the signal acquisition component of the current signal data passes the verification; when the fluctuation amplitude is greater than the preset first fluctuation amplitude threshold and less than or equal to the preset second fluctuation amplitude threshold, it is determined that the signal acquisition component of the current signal data fails the verification, the signal acquisition component is positioned as an abnormal component, and the abnormal reason for the failed verification is determined to be the different forward voltage drops of the rectifying elements of the signal acquisition component. At this time, the component parameter to be corrected corresponding to the abnormal component is positioned as the first rectifying element parameter related to the signal acquisition frequency in the signal acquisition component, and according to the first difference between the fluctuation amplitude and the preset first fluctuation amplitude threshold, the size and amplitude of the first rectifying element parameter of the signal acquisition component are adjusted to increase the sampling frequency of the current signal data; when the fluctuation amplitude is greater than the preset second fluctuation amplitude threshold, it is determined that the signal acquisition component of the current signal data fails the verification, the signal acquisition component is positioned as an abnormal component, and the abnormal reason is determined to be that the current in the current signal data of the current transformer of the signal acquisition component is too large. At this time, the component parameter to be corrected corresponding to the abnormal component is positioned as the current transformer parameter of the signal acquisition component, and according to the first difference between the fluctuation amplitude and the preset first fluctuation amplitude threshold, the size and amplitude of the current transformer parameter are adjusted to increase the sampling frequency of the current signal data.

[0174] In the case where the verification of the signal acquisition component passes, when the signal-to-noise ratio is greater than the preset second signal-to-noise ratio threshold and less than or equal to the preset first signal-to-noise ratio threshold, it is determined that the signal filtering component of the current signal data fails the verification, the signal filtering component is positioned as an abnormal component, and the abnormal reason for the failed verification is determined to be data interruption or data packet loss in the signal filtering component. At this time, the component parameter to be corrected corresponding to the abnormal component is positioned as the filter parameter of the signal filtering component, and according to the first difference between the signal-to-noise ratio and the preset second signal-to-noise ratio threshold, the filter parameter is adjusted to reduce the filter cut-off frequency of the signal filtering component for the current signal data; when the signal-to-noise ratio is less than or equal to the preset second signal-to-noise ratio threshold, it is determined that the signal filtering component of the current signal data fails the verification, the signal filtering component is positioned as an abnormal component, and the abnormal reason for the failed verification is determined to be the different forward voltage drops of the rectifying elements of the signal filtering component. At this time, the component parameter to be corrected corresponding to the abnormal component is positioned as the second rectifying element parameter related to the filter cut-off frequency in the signal filtering component, and according to the first difference between the signal-to-noise ratio and the preset second signal-to-noise ratio threshold, the second rectifying element parameter of the signal filtering component is adjusted to reduce the filter cut-off frequency of the signal filtering component for the current signal data; when the signal-to-noise ratio is greater than the preset first signal-to-noise ratio threshold, it is determined that the signal filtering component of the current signal data passes the verification.

[0175] When the verification of the signal filtering component passes, if the packet loss rate is less than or equal to the preset packet loss rate threshold, it is determined that the data transmission component of the current signal data passes the verification; when the packet loss rate is greater than the preset packet loss rate threshold, it is determined that the data transmission component of the current signal data fails the verification. At this time, the component parameter to be corrected corresponding to the abnormal component is positioned as the status control parameter of the data transmission component, so as to switch the transmission status of the data transmission component from the high-rate communication state to the anti-interference low-rate communication state by adjusting the status control parameter.

[0176] When the correction of the component parameter to be corrected is completed, return to the above data acquisition step until it is determined that all data processing components pass the verification, and use the obtained current signal data as the target current signal data.

[0177] Based on the above analysis, it can be seen that the controller is used to determine the sampling frequency of the signal acquisition component for the current signal data according to the fluctuation amplitude of the current signal data, or determine the filter cut-off frequency of the signal filtering component for the current signal data according to the signal-to-noise ratio of the current signal data sampled within a single period. Moreover, the system can perform intelligent switching among multiple hardware modules with different communication characteristics according to the packet loss rate of data transmission.

[0178] That is to say, determine the sampling frequency of the current signal data according to the fluctuation amplitude of the current signal data. During the operation of the current transformer, if the current of the measured cable is too large, it may cause the output signal to be distorted, resulting in deviation of the sampled current signal. By increasing the sampling frequency of the current signal data, more data points can be obtained. When processing the signal subsequently, there will be richer information to distinguish the real signal component and the distorted component. Determine the cut-off frequency of the filter according to the signal-to-noise ratio of the current signal data sampled within a single period. Due to the different forward voltage drops of the rectifying elements caused by long-term use, the output DC signal generates ripples, which interfere with the subsequent processing of the current signal and cause fluctuations in the sampled data. By reducing the cut-off frequency of the filter, the filter can better attenuate the ripples and make the output signal closer to the ideal DC signal. Based on the packet loss rate statistics of the current signal data transmission, the system realizes adaptive switching among multiple communication modules: when the packet loss rate exceeds the preset threshold, automatically enable the communication module with stronger anti-interference ability; when the packet loss rate drops to the normal range, switch to the communication module with better transmission rate, thus achieving the dynamic balance between communication reliability and transmission efficiency and improving the sampling stability of the cable current.

[0179] It should be understood that although the steps in the flowcharts involved in the above embodiments are shown in sequence according to the arrows, these steps are not necessarily executed in the order indicated by the arrows. Unless there is a clear indication in this article, the execution of these steps has no strict order limit, 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 components. These steps or components are not necessarily executed at the same time, but can be executed at different times. The execution order of these steps or components is not necessarily sequential, but can be executed alternately or in turn with at least a part of other steps or steps or components in other steps.

[0180] Based on the same inventive concept, an embodiment of the present application further provides a device for obtaining current signal data of a cable for implementing the method for obtaining current signal data of a cable involved above. The solution provided by this device to solve the problem is similar to the solution described in the above method. Therefore, the specific limitations in one or more embodiments of the device for obtaining current signal data of a cable provided below can refer to the limitations on the method for obtaining current signal data of a cable in the above text, and will not be repeated here.

[0181] In an exemplary embodiment, as Figure 4 shown, a device for obtaining current signal data of a cable is provided, including: a data detection module 100, a verification module 200, a correction module 300, and a data acquisition module 400, where:

[0182] The data detection module 100 is used for the data acquisition step: obtaining the current signal data of the target cable, and detecting the fluctuation amplitude, signal-to-noise ratio, and packet loss rate of the current signal data;

[0183] The verification module 200 is used to verify multiple data processing components corresponding to the current signal data respectively according to the fluctuation amplitude, signal-to-noise ratio, and packet loss rate, and obtain a verification result, where the multiple data processing components include a signal acquisition component, a signal filtering component, and a data transmission component;

[0184] The correction module 300 is used to locate the abnormal component and the parameter of the component to be corrected corresponding to the abnormal component from the signal acquisition component, the signal filtering component, and the data transmission component according to the verification result, and correct the parameter of the component to be corrected;

[0185] The data acquisition module 400 is used to return to the data acquisition step when the parameter of the component to be corrected is corrected, until it is determined that all the multiple data processing components pass the verification, and use the obtained current signal data as the target current signal data.

[0186] In one embodiment, the verification module 200 is further configured to verify the signal acquisition component corresponding to the current signal data according to the fluctuation amplitude; when the verification of the signal acquisition component passes, verify the signal filtering component corresponding to the current signal data according to the signal-to-noise ratio; when the verification of the signal filtering component passes, verify the data transmission component corresponding to the current signal data according to the packet loss rate.

[0187] In one embodiment, the verification module 200 is further configured to determine that the signal acquisition component corresponding to the current signal data passes the verification when the fluctuation amplitude is less than or equal to a preset first fluctuation amplitude threshold; determine that the signal acquisition component corresponding to the current signal data fails the verification when the fluctuation amplitude is greater than the preset first fluctuation amplitude threshold.

[0188] In one embodiment, the verification module 200 is further configured to determine that the signal filtering component corresponding to the current signal data passes the verification when the signal-to-noise ratio is greater than a preset first signal-to-noise ratio threshold; determine that the signal filtering component corresponding to the current signal data fails the verification when the signal-to-noise ratio is less than or equal to the preset first signal-to-noise ratio threshold.

[0189] In one embodiment, the parameters of the component to be corrected at least include one of the first rectifier element parameters of the signal acquisition component, the current transformer parameters of the signal acquisition component, the second rectifier element parameters of the signal filtering component, the filter parameters of the signal filtering component, and the state control parameters of the data transmission component; the correction module 300 is further configured to correct the first rectifier element parameters or the current transformer parameters when the abnormal component is the signal acquisition component, wherein the corrected first rectifier element parameters and the corrected current transformer parameters are both used to increase the sampling frequency of the signal acquisition component for the current signal data; when the abnormal component is the signal filtering component, correct the second rectifier element parameters or the filter parameters, wherein the corrected second rectifier element parameters and the corrected filter parameters are both used to decrease the filter cut-off frequency of the signal filtering component for the current signal data; when the abnormal component is the data transmission component, correct the state control parameters, and the corrected state control parameters are used to switch the transmission state of the data transmission component from the high-rate communication state to the anti-interference low-rate communication state.

[0190] In one embodiment, the correction module 300 is further configured to obtain first difference information between the fluctuation amplitude and a preset abnormal fluctuation amplitude threshold. When the fluctuation amplitude is greater than the preset abnormal fluctuation amplitude threshold, the signal acquisition component of the current signal data fails the verification. According to the first difference information, increase the sampling frequency of the signal filtering component for the current signal data. The correction module 300 is further configured to obtain second difference information between the signal-to-noise ratio and a preset abnormal signal-to-noise ratio threshold. When the signal-to-noise ratio is less than the preset abnormal signal-to-noise ratio threshold, the signal filtering component of the current signal data fails the verification. According to the second difference information, reduce the filtering cut-off frequency of the signal filtering component for the current signal data.

[0191] In one embodiment, when the verification result is that the signal acquisition component fails the verification, the correction module 300 is further configured to determine the signal acquisition component as an abnormal component. When the fluctuation amplitude is not greater than a preset second fluctuation amplitude threshold, determine the first rectifier element parameter of the signal acquisition component as the parameter to be corrected. When the fluctuation amplitude is greater than the preset second fluctuation amplitude threshold, determine the current transformer parameter of the signal acquisition component as the parameter to be corrected.

[0192] In one embodiment, when the verification result is that the signal filtering component fails the verification, the correction module 300 is further configured to determine the signal filtering component as an abnormal component. When the signal-to-noise ratio is less than or equal to a preset second signal-to-noise ratio threshold, determine the second rectifier element parameter of the signal filtering component as the parameter to be corrected. When the signal-to-noise ratio is greater than the preset second signal-to-noise ratio threshold, determine the filter parameter of the signal filtering component as the parameter to be corrected.

[0193] Each module in the above current signal data acquisition device of the cable can be implemented in whole or in part by software, hardware, and their combination. The above modules can be embedded in the processor of the computer device in hardware form or be independent of it, or can be stored in the memory of the computer device in software form, so that the processor can call and execute the operations corresponding to the above respective modules.

[0194] In an exemplary embodiment, a computer device is provided. The computer device can be a server, and its internal structure diagram can be as Figure 5As shown in the figure. The computer device includes a processor, a memory, an input / output interface (Input / Output, abbreviated as I / O), and a communication interface. Among them, the processor, the memory, and the input / output interface are connected through a system bus, and the communication interface is connected to the system bus through the input / output interface. Among them, 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, a computer program, and a database. The internal memory provides an environment for the operation of the operating system and the computer program in the non-volatile storage medium. The database of the computer device is used to store data such as current signal data. The input / output interface of the computer device is used to exchange information between the processor and external devices. The communication interface of the computer device is used to communicate with an external terminal through a network connection. When the computer program is executed by the processor, it implements a method for obtaining current signal data of a cable.

[0195] Those skilled in the art can understand that Figure 5 the structure shown in the figure is a block diagram of a part of the structure related to the solution of this application, and does not constitute a limitation on the computer device to which the solution of this application is applied. The specific computer device may include more or fewer components than those shown in the figure, or combine some components, or have different component arrangements.

[0196] In one embodiment, this application also provides a system for obtaining current signal data of a cable. The system includes:

[0197] A signal acquisition component, which is used for the signal acquisition step: sampling the current signal of the target cable;

[0198] A signal filtering component, which is used for filtering the sampled current signal;

[0199] A signal conversion component, which is used for analog-to-digital conversion of the filtered current signal to obtain current signal data corresponding to the current signal;

[0200] A data transmission component, which is used for transmitting the current signal data to the controller;

[0201] A controller is configured to obtain current signal data of a target cable and detect the fluctuation amplitude, signal-to-noise ratio, and packet loss rate of the current signal data; based on the fluctuation amplitude, signal-to-noise ratio, and packet loss rate, respectively verify multiple data processing components corresponding to the current signal data to obtain a verification result, where the multiple data processing components include a signal acquisition component, a signal filtering component, and a data transmission component; according to the verification result, locate an abnormal component and the parameter of the component to be corrected corresponding to the abnormal component from the signal acquisition component, the signal filtering component, and the data transmission component, and correct the parameter of the component to be corrected; in the case where the parameter of the component to be corrected is corrected, return to the signal acquisition step until it is determined that all the multiple data processing components pass the verification, and use the obtained current signal data as the target current signal data.

[0202] Specifically, the signal acquisition component is configured to sample the current signal of the cable. In practical applications, the signal acquisition component is generally a current transformer; the signal filtering component is connected to the signal acquisition component and is configured to filter the sampled current signal. In practical applications, the signal filtering component is a low-pass filter, a high-pass filter, or a band-stop filter. In this application, a low-pass filter is generally selected; the signal conversion component is connected to the signal filtering component and is configured to perform analog-to-digital conversion on the filtered current signal to obtain the current signal data corresponding to the current signal; the data transmission component is configured to transmit the current signal data to the controller; the controller is connected to the signal acquisition component, the signal filtering component, the signal conversion component, and the data transmission component respectively, and is configured to obtain the current signal data and detect the fluctuation amplitude, signal-to-noise ratio, and packet loss rate of the current signal data; based on the fluctuation amplitude, signal-to-noise ratio, and packet loss rate, use the detected information to verify whether the current signal data is abnormal. If the current signal data is abnormal, it is considered that an abnormality has occurred in the process of obtaining the current signal data.

[0203] Further, the signal conversion component includes an amplification component connected to the signal filtering component and an analog-to-digital conversion component connected to the amplification component. The amplification component is configured to perform amplification processing on the filtered current signal, and the analog-to-digital conversion component is configured to perform analog-to-digital conversion on the amplified current signal to obtain the current signal data corresponding to the current signal.

[0204] The data transmission component includes a wireless communication component and a display component. The wireless communication component is connected to the signal conversion component and is used to perform analog-to-digital conversion on the filtered current signal. The display component is connected to the wireless communication component and is used to display the current signal data. In practical applications, the display component is generally a display screen.

[0205] The current signal data acquisition system further includes a storage component, etc. The storage component is connected to the signal acquisition component, the signal filtering component, the signal conversion component, and the data transmission component respectively, and is used to store the current signal and the current signal data corresponding to the current signal respectively.

[0206] In one embodiment, a computer device is further provided, including a memory and a processor. A computer program is stored in the memory, and when the processor executes the computer program, the steps in the above method embodiments are implemented.

[0207] In one embodiment, a computer-readable storage medium is provided, on which a computer program is stored. When the computer program is executed by a processor, the steps in the above method embodiments are implemented.

[0208] In one embodiment, a computer program product is provided, including a computer program. When the computer program is executed by a processor, the steps in the above method embodiments are implemented.

[0209] Those of ordinary skill in the art can understand that all or part of the processes in the methods of the above embodiments can be completed by instructing relevant hardware through a computer program. 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 methods. Among them, any reference to a 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), magnetoresistive 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 be in various forms, such as static random access memory (SRAM) or dynamic random access memory (DRAM), etc. The databases involved in the embodiments provided in the present application can include at least one of relational databases and non-relational databases. Non-relational databases can include distributed databases based on blockchain, etc., without limitation. The processors involved in the embodiments provided in the present application can be general-purpose processors, central processing units, graphics processors, digital data processors, programmable logic devices, data processing logics based on quantum computing, artificial intelligence (AI) processors, etc., without limitation.

[0210] The technical features of the above embodiments can be combined arbitrarily. For the sake of brevity of description, 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, it should be considered to be within the scope recorded in the present application.

[0211] The above embodiments merely represent several implementation manners of the present application. The description thereof is relatively specific and detailed, but it should not be construed as a limitation to the patent scope of the present application. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present application, several modifications and improvements can still be made, and these all fall within the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.

Claims

1. A method for acquiring current signal data of a cable, characterized in that: The method comprises: Data acquisition step: acquiring current signal data of the target cable, and detecting the fluctuation amplitude, signal-to-noise ratio and packet loss rate of the current signal data; According to the fluctuation amplitude, the signal-to-noise ratio and the packet loss rate, respectively verify the multiple data processing components corresponding to the current signal data to obtain verification results, wherein the multiple data processing components include a signal acquisition component, a signal filtering component and a data transmission component; According to the verification result, locating the abnormal component and the component parameters to be corrected corresponding to the abnormal component from the signal acquisition component, the signal filtering component and the data transmission component, and correcting the component parameters to be corrected; When the correction of the parameters of the component to be corrected is completed, the process returns to the data acquisition step until it is determined that all the multiple data processing components have passed the verification, and the acquired current signal data is used as the target current signal data.

2. The method according to claim 1, characterized in that The verifying of the plurality of data processing components corresponding to the current signal data respectively according to the fluctuation amplitude, the signal-to-noise ratio and the packet loss rate further includes: According to the fluctuation amplitude, verifying the signal acquisition component corresponding to the current signal data; When the signal acquisition component passes the verification, verifying the signal filtering component corresponding to the current signal data according to the signal-to-noise ratio; When the signal filtering component passes the verification, the data transmission component corresponding to the current signal data is verified according to the packet loss rate.

3. The method according to claim 2, characterized in that The verifying, according to the fluctuation amplitude, the signal acquisition component corresponding to the current signal data comprises: When the fluctuation amplitude is less than or equal to a preset first fluctuation amplitude threshold, determining that the signal acquisition component corresponding to the current signal data passes the verification; When the fluctuation amplitude is greater than a preset first fluctuation amplitude threshold, it is determined that the signal acquisition component corresponding to the current signal data has failed verification.

4. The method according to claim 2, characterized in that: The checking of the signal filter component corresponding to the current signal data according to the signal-to-noise ratio includes: When the signal-to-noise ratio is greater than a preset first signal-to-noise ratio threshold, determining that the signal filter component corresponding to the current signal data passes verification; When the signal-to-noise ratio is less than or equal to a preset first signal-to-noise ratio threshold, it is determined that the signal filter component corresponding to the current signal data has failed verification.

5. The method according to claim 1, characterized in that The component parameters to be corrected include at least one of the first rectifier element parameters of the signal acquisition component, the current transformer parameters of the signal acquisition component, the second rectifier element parameters of the signal filtering component, the filter parameters of the signal filtering component and the state control parameters of the data transmission component; The step of modifying the parameter of the component to be modified includes: In the case where the abnormal component is a signal acquisition component, correcting the first rectifier element parameter or the current transformer parameter, wherein the corrected first rectifier element parameter and the corrected current transformer parameter are both used to increase the sampling frequency of the signal acquisition component for current signal data; In the case where the abnormal component is a signal filter component, modifying the second rectifier element parameter or the filter parameter, wherein the modified second rectifier element parameter and the modified filter parameter are both used to reduce the filter cutoff frequency of the signal filter component for current signal data; In the case where the abnormal component is a data transmission component, the state control parameter is corrected, and the corrected state control parameter is used to switch the transmission state of the data transmission component from a high-speed communication state to an interference-resistant low-speed communication state.

6. The method according to claim 5, characterized in that The step of increasing the sampling frequency of the signal acquisition component for the current signal data comprises: Acquiring first difference information between the fluctuation amplitude and a preset fluctuation amplitude abnormal threshold, wherein when the fluctuation amplitude is greater than the preset fluctuation amplitude abnormal threshold, the signal acquisition component of the current signal data fails to pass verification; According to the first difference information, increasing the sampling frequency of the signal filtering component on the current signal data; The step of reducing the filtering cutoff frequency of the signal filtering component for the current signal data comprises: Acquiring second difference information between the signal-to-noise ratio and a preset signal-to-noise ratio abnormal threshold, wherein when the signal-to-noise ratio is less than the preset signal-to-noise ratio abnormal threshold, the signal filtering component of the current signal data fails the verification; According to the second difference information, a filtering cutoff frequency of the signal filtering component on the current signal data is reduced.

7. The method according to claim 1, characterized in that The locating the abnormal component and the component parameters to be corrected corresponding to the abnormal component from the signal acquisition component, the signal filtering component and the data transmission component according to the verification result includes: When the verification result is that the signal acquisition component fails the verification, determining the signal acquisition component as an abnormal component; In the case where the fluctuation amplitude is not greater than a preset second fluctuation amplitude threshold, determining the first rectifier element parameter of the signal acquisition component as the component parameter to be corrected; When the fluctuation amplitude is greater than the preset second fluctuation amplitude threshold, the current transformer parameter of the signal acquisition component is determined as the component parameter to be corrected.

8. The method according to claim 1, characterized in that The locating the abnormal component and the component parameters to be corrected corresponding to the abnormal component from the signal acquisition component, the signal filtering component and the data transmission component according to the verification result includes: When the verification result is that the signal filtering component fails the verification, determining the signal filtering component as an abnormal component; When the signal-to-noise ratio is less than or equal to a preset second signal-to-noise ratio threshold, determining the second rectifier element parameter of the signal filtering component as the component parameter to be corrected; When the signal-to-noise ratio is greater than a preset second signal-to-noise ratio threshold, the filter parameters of the signal filtering component are determined as the component parameters to be corrected.

9. A device for acquiring current signal data of a cable, characterized in that: The device comprises: A data detection module is used for the data acquisition step: acquiring the current signal data of the target cable, and detecting the fluctuation amplitude, signal-to-noise ratio and packet loss rate of the current signal data; A verification module, configured to verify the multiple data processing components corresponding to the current signal data according to the fluctuation amplitude, the signal-to-noise ratio, and the packet loss rate, respectively, to obtain a verification result, wherein the multiple data processing components include a signal acquisition component, a signal filtering component, and a data transmission component; A correction module, used for locating abnormal components and component parameters to be corrected corresponding to the abnormal components from the signal acquisition component, the signal filtering component and the data transmission component according to the verification result, and correcting the component parameters to be corrected; The data acquisition module is used to return to the data acquisition step when the parameter correction of the component to be corrected is completed, until it is determined that the multiple data processing components have all passed the verification, and the acquired current signal data is used as the target current signal data.

10. A cable current signal data acquisition system, characterized in that: The system comprises: The signal acquisition component is used for the signal acquisition step: sampling the current signal of the target cable; A signal filtering component, used for filtering the sampled current signal; A signal conversion component, used for performing analog-to-digital conversion on the filtered current signal to obtain current signal data corresponding to the current signal; A data transmission component, used for transmitting the current signal data to a controller; A controller is used to obtain current signal data of a target cable, and detect the fluctuation amplitude, signal-to-noise ratio and packet loss rate of the current signal data; according to the fluctuation amplitude, the signal-to-noise ratio and the packet loss rate, respectively verify multiple data processing components corresponding to the current signal data to obtain verification results, wherein the multiple data processing components include a signal acquisition component, a signal filtering component and a data transmission component; according to the verification results, locate abnormal components and component parameters to be corrected corresponding to the abnormal components from the signal acquisition component, the signal filtering component and the data transmission component, and correct the component parameters to be corrected; when the correction of the component parameters to be corrected is completed, return to the signal acquisition step until it is determined that the multiple data processing components have all passed the verification, and use the obtained current signal data as the target current signal data.

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