Pre-warning method, device and processor for solid-state circuit breaker on-off coil

Abstract

The application discloses a kind of solid-state circuit breaker opening and closing coil early warning method, device and processor.Therein, the method includes: determining the solid-state circuit breaker opening and closing coil to be detected;Based on the solid-state circuit breaker opening and closing coil, determine the leakage magnetic three-dimensional feature and element three-dimensional feature, wherein the leakage magnetic three-dimensional feature is used to indicate the three-dimensional feature of the space environment where the solid-state circuit breaker opening and closing coil is located, and the element three-dimensional feature is used to indicate the three-dimensional feature of multiple elements in the solid-state circuit breaker opening and closing coil;Based on the leakage magnetic three-dimensional feature and element three-dimensional feature, determine the leakage magnetic loss characteristic information of each element in the solid-state circuit breaker opening and closing coil;Based on the leakage magnetic loss characteristic information, determine the working state of the solid-state circuit breaker opening and closing coil;in response to the working state being abnormal working state, output the early warning information of the solid-state circuit breaker opening and closing coil.The application solves the technical problem of high maintenance cost of the solid-state circuit breaker opening and closing coil.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of solid-state circuit breaker safety detection, in particular to a solid-state circuit breaker contactor coil early warning method and device and processor. BACKGROUND

[0002] At present, the solid-state circuit breaker is an important switching control element of the switching power supply equipment. The solid-state circuit breaker works through the magnetic induction of the internally arranged contactor coil, thereby controlling the switching of the corresponding circuit inside the switching power supply equipment. The solid-state circuit breaker has an important influence on the working reliability and precision of the switching power supply equipment. When the contactor coil of the solid-state circuit breaker has magnetic leakage, the contactor coil cannot provide sufficient magnetic induction force or cannot work in time to switch the circuit, which causes serious switching delay of the switching power supply equipment, reduces the working sensitivity and time response speed of the switching power supply equipment.

[0003] In the related art, in order to ensure the normal work of the switching power supply equipment, the prior art periodically overhauls the contactor coil of the solid-state circuit breaker. However, this periodic overhaul needs to stop the switching power supply equipment, which has a negative impact on the terminal where the switching power supply equipment is located, and also increases the maintenance cost of the contactor coil of the solid-state circuit breaker and reduces the continuity and reliability of the maintenance. Therefore, there is a technical problem of high maintenance cost of the contactor coil of the solid-state circuit breaker.

[0004] In view of the above technical problem of high maintenance cost of the contactor coil of the solid-state circuit breaker, no effective solution has been proposed at present. SUMMARY

[0005] The embodiments of the present application provide a solid-state circuit breaker contactor coil early warning method, device and processor to at least solve the technical problem of high maintenance cost of the contactor coil of the solid-state circuit breaker.

[0006] According to an aspect of the embodiments of the present application, a solid-state circuit breaker contactor coil early warning method is provided. The method can include: determining a solid-state circuit breaker contactor coil to be detected; determining a magnetic leakage three-dimensional feature and an element three-dimensional feature based on the solid-state circuit breaker contactor coil, wherein the magnetic leakage three-dimensional feature is used to indicate a three-dimensional feature of a space environment where the solid-state circuit breaker contactor coil is located, and the element three-dimensional feature is used to indicate a three-dimensional feature of a plurality of elements in the solid-state circuit breaker contactor coil; determining a magnetic leakage loss feature information of each element in the solid-state circuit breaker contactor coil based on the magnetic leakage three-dimensional feature and the element three-dimensional feature; determining a working state of the solid-state circuit breaker contactor coil based on the magnetic leakage loss feature information; and in response to the working state being an abnormal working state, outputting early warning information of the solid-state circuit breaker contactor coil, wherein the early warning information is used to indicate the abnormal working state.

[0007] Optionally, based on the solid-state circuit breaker switching coil, the magnetic leakage three-dimensional feature is determined, including: acquiring a space environment of the solid-state circuit breaker switching coil; detecting the space environment to determine a magnetic leakage signal of the space environment, wherein the magnetic leakage signal is used to indicate a change or an abnormal situation of a magnetic field in the space environment; based on the magnetic leakage signal, determining a magnetic leakage distribution image of the space environment, wherein the magnetic leakage distribution image is used to indicate a change of intensity and direction of the magnetic field in the space environment; determining a magnetic leakage three-dimensional feature of the magnetic leakage distribution image in the space environment.

[0008] Optionally, based on the solid-state circuit breaker switching coil, the element three-dimensional feature is determined, including: detecting the solid-state circuit breaker switching coil to determine distribution state information of each element in the solid-state circuit breaker switching coil, wherein the distribution state information is used to indicate a distribution of each element in the solid-state circuit breaker switching coil; based on the distribution state information, generating an element distribution image of the solid-state circuit breaker switching coil; determining an element three-dimensional feature of the element distribution image.

[0009] Optionally, based on the magnetic leakage three-dimensional feature and the element three-dimensional feature, the magnetic leakage loss feature information of each element in the solid-state circuit breaker switching coil is determined, including: based on the magnetic leakage three-dimensional feature and the element three-dimensional feature, determining magnetic leakage magnetic field intensity information of each element in the solid-state circuit breaker switching coil, wherein the magnetic leakage magnetic field intensity information is used to indicate an influence of a magnetic field generated by the solid-state circuit breaker switching coil on the element when the solid-state circuit breaker switching coil is working; based on the magnetic leakage magnetic field intensity information, determining the magnetic leakage loss feature information of each element in the solid-state circuit breaker switching coil, wherein the magnetic leakage loss feature information is used to indicate a magnetic energy loss of the element.

[0010] Optionally, based on the magnetic leakage loss feature information, the working state of the solid-state circuit breaker switching coil is determined, including: comparing the magnetic leakage loss feature information with a preset condition to obtain a comparison result; in response to the comparison result being that the magnetic leakage loss feature information does not satisfy the preset condition, determining that the working state of the solid-state circuit breaker switching coil is an abnormal working state.

[0011] Optionally, the pre-warning method of the solid-state circuit breaker switching coil further includes: in response to the comparison result being that the magnetic leakage loss feature information satisfies the preset condition, determining that the working state of the solid-state circuit breaker switching coil is a normal working state.

[0012] According to another aspect of the embodiments of the present application, a device for pre-warning of a solid-state circuit breaker switching coil is also provided. The device can include: a first determining unit configured to determine a solid-state circuit breaker switching coil to be detected; a second determining unit configured to determine, based on the solid-state circuit breaker switching coil, leakage magnetic three-dimensional features and element three-dimensional features, wherein the leakage magnetic three-dimensional features are used to indicate three-dimensional features of a space environment in which the solid-state circuit breaker switching coil is located, and the element three-dimensional features are used to indicate three-dimensional features of a plurality of elements in the solid-state circuit breaker switching coil; a third determining unit configured to determine, based on the leakage magnetic three-dimensional features and the element three-dimensional features, leakage magnetic loss feature information of each element in the solid-state circuit breaker switching coil; a fourth determining unit configured to determine, based on the leakage magnetic loss feature information, an operating state of the solid-state circuit breaker switching coil; and an output unit configured to output pre-warning information of the solid-state circuit breaker switching coil in response to the operating state being an abnormal operating state, wherein the pre-warning information is used to indicate the abnormal operating state.

[0013] According to another aspect of the embodiments of the present application, a computer readable storage medium is also provided, which includes a stored program, wherein the program, when executed by a processor, controls a device in which the storage medium is located to perform the pre-warning method of the solid-state circuit breaker switching coil according to the embodiments of the present application.

[0014] According to another aspect of the embodiments of the present application, a processor is also provided. The processor is configured to execute a program, wherein the program, when executed, performs the pre-warning method of the solid-state circuit breaker switching coil according to the embodiments of the present application.

[0015] According to another aspect of the embodiments of the present application, a computer program product is also provided. The program product includes computer instructions, which, when executed by a processor, implement the pre-warning method of the solid-state circuit breaker switching coil according to the embodiments of the present application.

[0016] In the embodiment of the present application, the solid-state circuit breaker switching coil to be detected is determined, the magnetic flux leakage three-dimensional feature and the element three-dimensional feature are determined based on the solid-state circuit breaker switching coil, the magnetic flux leakage loss feature information of each element in the solid-state circuit breaker switching coil is determined based on the magnetic flux leakage three-dimensional feature and the element three-dimensional feature, the working state of the solid-state circuit breaker switching coil is determined based on the magnetic flux leakage loss feature information, and the warning information of the solid-state circuit breaker switching coil is output in response to the abnormal working state. That is, the working state of the solid-state circuit breaker switching coil is determined by determining the magnetic flux leakage loss feature information of each element in the solid-state circuit breaker switching coil to be detected, so as to realize the early warning of the solid-state circuit breaker switching coil according to the working state. Since the present application can identify whether the fixed circuit breaker has abnormal conditions such as reduced response speed and sensitivity through the early warning operation, the purpose of maintaining the solid-state circuit breaker switching coil is achieved, the technical problem of high maintenance cost of the solid-state circuit breaker switching coil is solved, and the technical effect of reducing the maintenance cost of the solid-state circuit breaker switching coil is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application, and do not constitute improper limitations on the present application. In the drawings:

[0018] Figure 1 It is a flowchart of a solid-state circuit breaker switching coil early warning method according to an embodiment of the present application;

[0019] Figure 2 It is a flowchart of a solid-state circuit breaker switching coil magnetic flux leakage early warning method according to an embodiment of the present application;

[0020] Figure 3 It is a schematic diagram of a solid-state circuit breaker switching coil magnetic flux leakage early warning system according to an embodiment of the present application;

[0021] Figure 4 It is a schematic diagram of a solid-state circuit breaker switching coil early warning device according to an embodiment of the present application. DETAILED DESCRIPTION

[0022] In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should be within the scope of protection of the present application.

[0023] It is to be understood that the terms "first", "second", and the like used in the description and the claims of the present application as well as the above-described drawings are used to distinguish similar objects, and are not necessarily used to describe a particular sequential or chronological order. It is to be understood that the data thus used can be interchanged, where appropriate, so that the embodiments of the present application described herein can be carried out in other than the order shown or described herein. Furthermore, the terms "comprise" and "have", and any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, function, component, or device that comprises a list of steps or units is not necessarily limited to those steps or units that are clearly listed, but can include other steps or units that are not clearly listed or inherent to such processes, methods, functions, components, or devices.

[0024] According to an embodiment of the present application, an embodiment of a method for early warning of a solid-state circuit breaker opening and closing coil is provided. It should be noted that the steps shown in the flowchart of the accompanying drawings can be executed in a computer system such as a set of computer executable instructions, and although a logical order is shown in the flowchart, in some cases, the steps shown or described herein can be executed in an order different from that shown herein.

[0025] Figure 1 is a flowchart of a method for early warning of a solid-state circuit breaker opening and closing coil according to an embodiment of the present application, as shown in Figure 1 The method can include the following steps:

[0026] Step S101, determining the solid-state circuit breaker opening and closing coil to be detected.

[0027] In the technical solution provided by the above step S101 of the present application, the solid-state circuit breaker opening and closing coil to be detected is determined.

[0028] In this embodiment, the solid-state circuit breaker opening and closing coil to be detected is determined. For example, the position and number of the opening and closing coil are determined by checking the circuit diagram of the circuit breaker, which is only an example and does not limit the specific method of determining the solid-state circuit breaker opening and closing coil to be detected.

[0029] Step S102, determining the leakage magnetic three-dimensional feature and the element three-dimensional feature based on the solid-state circuit breaker opening and closing coil.

[0030] In the technical solution provided by the above step S102 of the present application, the leakage magnetic three-dimensional feature is used to indicate the three-dimensional feature of the space environment in which the solid-state circuit breaker opening and closing coil is located, and the element three-dimensional feature is used to indicate the three-dimensional feature of the plurality of elements in the solid-state circuit breaker opening and closing coil.

[0031] In this embodiment, after determining the solid-state circuit breaker switching coil to be detected in step S101, the leakage magnetic three-dimensional feature and the element three-dimensional feature are determined according to the solid-state circuit breaker switching coil.

[0032] Optionally, for determining the leakage magnetic three-dimensional feature, the spatial environment of the solid-state circuit breaker switching coil is acquired; the spatial environment is detected to determine a leakage magnetic signal of the spatial environment, where the leakage magnetic signal is used to indicate the change or abnormal situation of the magnetic field in the spatial environment. The leakage magnetic signal can also be referred to as a global leakage magnetic signal.

[0033] For example, the spatial environment where the solid-state circuit breaker switching coil is located is subjected to multi-point distributed leakage magnetic detection to obtain leakage magnetic signals of respective position points of the spatial environment; the leakage magnetic signals corresponding to all the position points are integrated according to the coordinate information of all the position points in the spatial environment to obtain a global leakage magnetic signal of the spatial environment.

[0034] Optionally, the leakage magnetic distribution image of the spatial environment is determined according to the leakage magnetic signal, where the leakage magnetic distribution image is used to indicate the change of the intensity and direction of the magnetic field in the spatial environment; and the leakage magnetic three-dimensional feature of the leakage magnetic distribution image in the spatial environment is determined.

[0035] For example, the global leakage magnetic signal is subjected to noise reduction preprocessing and digital conversion processing to obtain global leakage magnetic field intensity distribution feature information of the spatial environment; the leakage magnetic distribution image of the spatial environment is constructed based on the global leakage magnetic field intensity distribution feature information, and the leakage magnetic distribution image is subjected to three-dimensional spatial coordinate feature recognition to determine the spatial coordinate information of a plurality of three-dimensional spatial identification points of the solid-state circuit breaker switching coil in the leakage magnetic distribution image, that is, the leakage magnetic three-dimensional feature.

[0036] Optionally, for determining the leakage magnetic three-dimensional feature, the solid-state circuit breaker switching coil is detected to determine the distribution state information of each element in the solid-state circuit breaker switching coil, where the distribution state information is used to indicate the distribution of each element in the solid-state circuit breaker switching coil. The distribution state information can also be referred to as element distribution position information.

[0037] For example, the solid-state circuit breaker switching coil is subjected to X-ray scanning detection to obtain the contour feature information of all the elements in the solid-state circuit breaker switching coil; the element distribution position information in the solid-state circuit breaker switching coil is determined based on the contour feature information of all the elements, where the element distribution position information includes the distribution position information of the magnetic core and the winding in the solid-state circuit breaker switching coil, that is, the distribution state information.

[0038] For example, according to the contour feature information of each element, the element distribution position information in the solid-state circuit breaker opening and closing coil is determined, including: using formula (1) below, according to the contour feature information of each element in the solid-state circuit breaker opening and closing coil, determining whether the element is a magnetic core or a winding:

[0039]

[0040] Wherein, J(a) represents the determination value of whether the a-th element is a magnetic core or a winding; [X a (k), Y a (k)] represents the coordinate value of the k-th feature point in the contour feature information of the a-th element; [X a (p), Y a (p)] represents the coordinate value of the p-th feature point in the contour feature information of the a-th element; Q a represents the set of feature point numbers in the contour feature information of the a-th element; [lc min , lc max ] represents the distance value range set between the two farthest contour feature points of the magnetic core; [lr min , lr max ] represents the distance value range set between the two farthest contour feature points of the winding; ∈ represents the symbol; represents the maximum distance between two feature points in the contour feature information of the a-th element; using formula (2) below, according to the contour feature information of each element in the solid-state circuit breaker opening and closing coil, the position information of each element is determined:

[0041]

[0042] Wherein, (x a , y a ) represents the position coordinate point of the a-th element; represents the sum of the horizontal coordinates of all feature points in the contour feature information of the a-th element; represents the sum of the vertical coordinates of all feature points in the contour feature information of the a-th element; represents the total number of all feature points in the contour feature information of the a-th element. Using formula (3) below, the position information of each element is labeled according to the determination result of whether it is a magnetic core or a winding, and the labeled position information set is used as the element distribution position information:

[0043]

[0044] Wherein, represents the color RGB value of color labeling the position coordinate point of the a-th element.

[0045] Optionally, according to the distribution state information, an element distribution image of the solid-state circuit breaker switching coil is generated; and element three-dimensional features of the element distribution image are determined.

[0046] For example, the element distribution position information is subjected to three-dimensional space modeling processing to generate an element distribution image inside the solid-state circuit breaker switching coil; wherein the element distribution image comprises a distribution three-dimensional image of the magnetic core and the winding inside the solid-state circuit breaker switching coil, and the element distribution image is subjected to three-dimensional space coordinate feature recognition to determine spatial coordinate information of a plurality of three-dimensional space identification points inside the element distribution image, that is, the element three-dimensional features.

[0047] In step S103, leakage magnetic loss feature information of each element in the solid-state circuit breaker switching coil is determined based on the leakage magnetic three-dimensional features and the element three-dimensional features.

[0048] In the technical solution provided by the above step S103 of the present application, the leakage magnetic loss feature information can also be referred to as leakage magnetic loss change rate information.

[0049] In this embodiment, after the leakage magnetic three-dimensional features and the element three-dimensional features of the solid-state circuit breaker switching coil are determined in step S102, leakage magnetic loss feature information of each element in the solid-state circuit breaker switching coil is determined based on the leakage magnetic three-dimensional features and the element three-dimensional features.

[0050] Optionally, leakage magnetic field strength information of each element in the solid-state circuit breaker switching coil is determined based on the leakage magnetic three-dimensional features and the element three-dimensional features, wherein the leakage magnetic field strength information is used to indicate the influence of the magnetic field generated by the solid-state circuit breaker switching coil on the elements when the solid-state circuit breaker switching coil is working; and the leakage magnetic loss feature information of each element in the solid-state circuit breaker switching coil is determined based on the leakage magnetic field strength information, wherein the leakage magnetic loss feature information is used to indicate the magnetic energy loss of the elements.

[0051] For example, the spatial coordinate information of all the three-dimensional space identification points of the leakage magnetic distribution image and the element distribution image is subjected to one-to-one corresponding matching processing, that is, the leakage magnetic three-dimensional features and the element three-dimensional features are respectively subjected to matching processing, so as to integrate and overlap the leakage magnetic distribution image and the element distribution image into the same space coordinate system, thereby extracting the leakage magnetic field strength information corresponding to each element of the solid-state circuit breaker switching coil; and the leakage magnetic field strength information corresponding to each element is analyzed to determine the leakage magnetic loss change rate information of each element.

[0052] In step S104, the working state of the solid-state circuit breaker switching coil is determined based on the leakage magnetic loss feature information.

[0053] In the technical solution provided by the above step S104 of the present application, the working state of the solid-state circuit breaker switching coil can be at least a normal working state or an abnormal working state.

[0054] In this embodiment, after the leakage magnetic loss characteristic information of the solid-state circuit breaker switching coil is determined in step S103, the working state of the solid-state circuit breaker switching coil is determined according to the leakage magnetic loss characteristic information.

[0055] Optionally, the leakage magnetic loss characteristic information is compared with a preset condition to obtain a comparison result; when the comparison result is that the leakage magnetic loss characteristic information does not satisfy the preset condition, the working state of the solid-state circuit breaker switching coil is determined as an abnormal working state.

[0056] For example, according to the leakage magnetic loss change rate information of all elements, it is judged whether the solid-state circuit breaker switching coil can satisfy a preset magnetic field strength condition within a preset time length; if the solid-state circuit breaker switching coil cannot satisfy the preset magnetic field strength condition within the preset time length, it is determined that the solid-state circuit breaker switching coil is in an abnormal working state.

[0057] Step S105, in response to the working state being an abnormal working state, outputting a warning information of the solid-state circuit breaker switching coil.

[0058] In the technical solution provided by the above step S105 of the present application, the warning information is used to indicate the abnormal working state.

[0059] In this embodiment, after the working state of the solid-state circuit breaker switching coil is determined in step S104, when the working state is an abnormal working state, the warning information of the solid-state circuit breaker switching coil is outputted.

[0060] For example, when the solid-state circuit breaker switching coil is in an abnormal working state, a warning notification message is sent to a terminal platform corresponding to the solid-state circuit breaker switching coil; wherein the warning notification message includes device position information of the solid-state circuit breaker switching coil.

[0061] It should be noted that the above embodiments can be executed by a leakage magnetic warning system of the solid-state circuit breaker switching coil.

[0062] The steps S101 to S105 of the present application determine the solid-state circuit breaker switching coil to be detected, determine the leakage magnetic three-dimensional feature and the element three-dimensional feature based on the solid-state circuit breaker switching coil, determine the leakage magnetic loss feature information of each element in the solid-state circuit breaker switching coil based on the leakage magnetic three-dimensional feature and the element three-dimensional feature, determine the working state of the solid-state circuit breaker switching coil based on the leakage magnetic loss feature information, and output the early warning information of the solid-state circuit breaker switching coil in response to the abnormal working state. That is, the present application determines the leakage magnetic loss feature information of each element in the solid-state circuit breaker switching coil to be detected to determine the working state of the solid-state circuit breaker switching coil, so as to realize the early warning of the solid-state circuit breaker switching coil according to the working state. Since the present application can identify whether the fixed circuit breaker has abnormal conditions such as reduced response speed and sensitivity through the early warning operation, the purpose of repairing the solid-state circuit breaker switching coil is achieved, the technical problem of high repair cost of the solid-state circuit breaker switching coil is solved, and the technical effect of reducing the repair cost of the solid-state circuit breaker switching coil is achieved.

[0063] The above method of the embodiment will be further introduced below.

[0064] As an optional embodiment, based on the solid-state circuit breaker switching coil, the leakage magnetic three-dimensional feature is determined, including: acquiring the space environment of the solid-state circuit breaker switching coil; detecting the space environment to determine the leakage magnetic signal of the space environment, wherein the leakage magnetic signal is used to indicate the change or abnormal condition of the magnetic field in the space environment; based on the leakage magnetic signal, the leakage magnetic distribution image of the space environment is determined, wherein the leakage magnetic distribution image is used to indicate the change of the strength and direction of the magnetic field in the space environment; the leakage magnetic three-dimensional feature of the leakage magnetic distribution image in the space environment is determined.

[0065] In this embodiment, the space environment of the solid-state circuit breaker switching coil is acquired; the space environment is detected to determine the leakage magnetic signal of the space environment; the leakage magnetic distribution image of the space environment is determined according to the leakage magnetic signal; and the leakage magnetic three-dimensional feature of the leakage magnetic distribution image in the space environment is determined.

[0066] Optionally, the leakage magnetic signals corresponding to all position points of the solid-state circuit breaker switching coil in the space environment are spatially continuously integrated to obtain the global leakage magnetic signal of the space environment, so as to realize the purpose of quantitatively calibrating the magnetic field strength distribution in the entire range inside the space environment.

[0067] As an optional embodiment, based on the solid-state circuit breaker on-off coil, the element three-dimensional feature is determined, including: detecting the solid-state circuit breaker on-off coil to determine the distribution state information of each element in the solid-state circuit breaker on-off coil, wherein the distribution state information is used to indicate the distribution of each element in the solid-state circuit breaker on-off coil; based on the distribution state information, an element distribution image of the solid-state circuit breaker on-off coil is generated; and the element three-dimensional feature of the element distribution image is determined.

[0068] In this embodiment, the solid-state circuit breaker on-off coil is detected to determine the distribution state information of each element in the solid-state circuit breaker on-off coil; based on the distribution state information, an element distribution image of the solid-state circuit breaker on-off coil is generated; and the element three-dimensional feature of the element distribution image is determined.

[0069] Optionally, the specific method for determining the element three-dimensional feature is shown in the foregoing formula (1) to formula (3), which will not be described here.

[0070] Optionally, by using the foregoing formula (1), according to the contour feature information of all elements in the solid-state circuit breaker on-off coil, it is determined whether the element is a magnetic core or a winding, thereby laying a foundation for subsequent positioning of the distribution position information of the magnetic core and the winding; then by using the foregoing formula (2), according to the contour feature information of all elements in the solid-state circuit breaker on-off coil, the position information of each element is determined, thereby integrating the contour feature information to obtain a position that can represent the element as its position information, ensuring the accuracy and reliability of the system; then by using the foregoing formula (3), according to the determination result of whether each element is a magnetic core or a winding, the position information is labeled, thereby taking the labeled position information as the element distribution position information, and using color to label can intuitively see the distribution position of the magnetic core and the winding, and the color RGB value can also be used to well position the distribution position information of the magnetic core and the winding in the solid-state circuit breaker on-off coil.

[0071] As an optional embodiment, based on the leakage magnetic three-dimensional feature and the element three-dimensional feature, the leakage magnetic loss feature information of each element in the solid-state circuit breaker on-off coil is determined, including: based on the leakage magnetic three-dimensional feature and the element three-dimensional feature, the leakage magnetic field intensity information of each element in the solid-state circuit breaker on-off coil is determined, wherein the leakage magnetic field intensity information is used to indicate the influence of the magnetic field generated by the solid-state circuit breaker on-off coil on the element when the solid-state circuit breaker on-off coil is working; based on the leakage magnetic field intensity information, the leakage magnetic loss feature information of each element in the solid-state circuit breaker on-off coil is determined, wherein the leakage magnetic loss feature information is used to indicate the magnetic energy loss of the element.

[0072] In this embodiment, the leakage magnetic field strength information of each element in the on-off coil of the solid-state circuit breaker is determined according to the leakage magnetic three-dimensional feature and the element three-dimensional feature; and the leakage loss feature information of each element in the on-off coil of the solid-state circuit breaker is determined according to the leakage magnetic field strength information.

[0073] Optionally, since the leakage magnetic three-dimensional feature and the element three-dimensional feature are both the spatial coordinate information of a plurality of preset structure identification points corresponding to the surface of the solid-state circuit breaker, the spatial coordinate information of all three-dimensional space identification points of the leakage distribution image and the element distribution image is matched one by one with the spatial coordinate information as the association, so as to integrate and overlap the leakage distribution image and the element distribution image into the same spatial coordinate system, which can integrate and overlap the leakage distribution image and the element distribution image into the same spatial coordinate system, facilitate the spatial comparison of the leakage distribution image and the element distribution image, and then extract the leakage magnetic field strength information corresponding to each element of the on-off coil of the solid-state circuit breaker, and analyze the leakage magnetic field strength information corresponding to each element to determine the leakage loss change rate information of each element.

[0074] As an optional embodiment, the working state of the on-off coil of the solid-state circuit breaker is determined based on the leakage loss feature information, including: comparing the leakage loss feature information with a preset condition to obtain a comparison result; and in response to the comparison result that the leakage loss feature information does not satisfy the preset condition, determining that the working state of the on-off coil of the solid-state circuit breaker is an abnormal working state.

[0075] In this embodiment, the leakage loss feature information is compared with a preset condition to obtain a comparison result; and in response to the comparison result that the leakage loss feature information does not satisfy the preset condition, it is determined that the working state of the on-off coil of the solid-state circuit breaker is an abnormal working state.

[0076] Optionally, it is judged whether the on-off coil of the solid-state circuit breaker can satisfy the preset magnetic field strength condition within a preset time length, for example, whether the on-off coil of the solid-state circuit breaker can be kept above a preset magnetic field strength threshold and the magnetic field strength drift rate is less than a preset drift rate threshold within a preset time length, so as to judge whether the on-off coil of the solid-state circuit breaker is in an abnormal working state, accurately identify whether the fixed circuit breaker has abnormal conditions such as reduced response speed and sensitivity, and improve the reliability and automation degree of the on-off coil detection.

[0077] As an optional embodiment, the pre-warning of the on-off coil of the solid-state circuit breaker further includes: in response to the comparison result that the leakage loss feature information satisfies the preset condition, determining that the working state of the on-off coil of the solid-state circuit breaker is a normal working state.

[0078] In this embodiment, when the comparison result is that the magnetic flux leakage loss characteristic information meets the preset condition, it is determined that the working state of the solid-state circuit breaker opening and closing coil is a normal working state.

[0079] For example, it is determined whether the solid-state circuit breaker opening and closing coil inside can meet the preset magnetic field strength condition within a preset time length; if yes, it is determined that the solid-state circuit breaker opening and closing coil is in a normal working state.

[0080] It should be noted that the above embodiments can be executed by the magnetic flux leakage early warning system of the solid-state circuit breaker opening and closing coil.

[0081] In this embodiment, the solid-state circuit breaker opening and closing coil to be detected is determined; based on the solid-state circuit breaker opening and closing coil, the magnetic flux leakage three-dimensional characteristic and the element three-dimensional characteristic are determined; based on the magnetic flux leakage three-dimensional characteristic and the element three-dimensional characteristic, the magnetic flux leakage loss characteristic information of each element in the solid-state circuit breaker opening and closing coil is determined; based on the magnetic flux leakage loss characteristic information, the working state of the solid-state circuit breaker opening and closing coil is determined; and in response to the working state being an abnormal working state, the early warning information of the solid-state circuit breaker opening and closing coil is output. That is, the working state of the solid-state circuit breaker opening and closing coil is determined by determining the magnetic flux leakage loss characteristic information of each element in the solid-state circuit breaker opening and closing coil to be detected, so as to realize early warning and prompting of the solid-state circuit breaker opening and closing coil according to the working state. Since the present application can identify whether the solid-state circuit breaker has abnormal conditions such as reduced response speed and sensitivity through early warning operation, the purpose of repairing the solid-state circuit breaker opening and closing coil is achieved, the technical problem of high repair cost of the solid-state circuit breaker opening and closing coil is solved, and the technical effect of reducing the repair cost of the solid-state circuit breaker opening and closing coil is achieved.

[0082] The technical solutions of the embodiments of the present application will be illustrated below in conjunction with preferred embodiments.

[0083] At present, the solid-state circuit breaker is an important switching control element of the switching power supply device. The solid-state circuit breaker performs magnetic induction work through the internally arranged opening and closing coil, so as to control the switching of the corresponding circuit inside the switching power supply device, which has an important influence on the working reliability and precision of the switching power supply device. When the solid-state circuit breaker opening and closing coil has magnetic flux leakage, the opening and closing coil will not be able to provide sufficient magnetic induction force or will not be able to perform timely magnetic induction work to switch the circuit, so that the switching power supply device has serious switching delay, reducing the working sensitivity and time response speed of the switching power supply device.

[0084] In the related art, in order to ensure the normal work of the switching power supply device, the prior art carries out regular maintenance on the solid-state circuit breaker opening and closing coil, but this regular maintenance needs to stop the switching power supply device, which has a negative impact on the terminal where the switching power supply device is located, and also increases the maintenance cost of the solid-state circuit breaker opening and closing coil and reduces the continuity and reliability of the maintenance. Therefore, there is a technical problem of high maintenance cost of the solid-state circuit breaker opening and closing coil. In view of the above technical problem of high maintenance cost of the solid-state circuit breaker opening and closing coil, no effective solution has been proposed.

[0085] However, the embodiment of the present application proposes a solid-state circuit breaker opening and closing coil magnetic flux leakage early warning method, which detects the magnetic flux leakage of the space environment where the solid-state circuit breaker opening and closing coil is located, obtains the magnetic flux leakage signal of the space environment, generates the corresponding magnetic flux leakage distribution image and performs three-dimensional space feature identification, and spatially calibrates the magnetic flux leakage of the coil. The internal element distribution state information of the opening and closing coil is obtained by non-contact detection, and the element distribution image is generated and the three-dimensional space feature identification is performed, and the spatial calibration of the internal element distribution position of the coil is performed. Based on the three-dimensional space features of the magnetic flux leakage distribution image and the element distribution image, the magnetic flux leakage loss feature information of the internal elements of the coil is determined, so as to judge whether the coil is in an abnormal working state and perform early warning operation, identify whether the solid-state circuit breaker exists abnormal conditions such as reduced response speed and sensitivity, and improve the reliability and automation degree of the detection of the opening and closing coil. Thus, the technical problem of high maintenance cost of the solid-state circuit breaker opening and closing coil is solved, and the technical effect of reducing the maintenance cost of the solid-state circuit breaker opening and closing coil is achieved.

[0086] The embodiment of the present application will be further introduced below.

[0087] Figure 2 is a flow chart of a solid-state circuit breaker opening and closing coil magnetic flux leakage early warning method according to the embodiment of the present application. The analysis method comprises the following steps:

[0088] Step S201, determine the magnetic flux leakage distribution image of the space environment where the solid-state circuit breaker opening and closing coil is located, and perform three-dimensional space feature identification on the magnetic flux leakage distribution image.

[0089] In this embodiment, the space environment where the solid-state circuit breaker opening and closing coil is located is detected for magnetic flux leakage, and the magnetic flux leakage signal of the space environment is obtained. The magnetic flux leakage signal is preprocessed and converted, and the magnetic flux leakage distribution image of the space environment is obtained, and the three-dimensional space feature identification of the magnetic flux leakage distribution image is performed.

[0090] Optionally, the space environment of the solid-state circuit breaker switching coil is detected by multi-point distributed magnetic flux leakage detection to obtain magnetic flux leakage signals of the space environment at a plurality of position points; the magnetic flux leakage signals of the plurality of position points are integrated according to the coordinate information of the plurality of position points in the space environment to obtain a global magnetic flux leakage signal of the space environment.

[0091] Optionally, the global magnetic flux leakage signal is preprocessed by noise reduction and digitized to obtain global magnetic flux leakage magnetic field strength distribution characteristic information of the space environment; and a magnetic flux leakage distribution image of the space environment is constructed according to the global magnetic flux leakage magnetic field strength distribution characteristic information, and three-dimensional space coordinate feature recognition is performed on the magnetic flux leakage distribution image to determine the spatial coordinate information of a plurality of three-dimensional space identification points of the solid-state circuit breaker switching coil in the magnetic flux leakage distribution image.

[0092] Step S202, determine the element distribution image inside the solid-state circuit breaker switching coil, and perform three-dimensional space feature identification on the element distribution image.

[0093] In this embodiment, the solid-state circuit breaker switching coil is detected by non-contact detection to obtain element distribution state information inside the solid-state circuit breaker switching coil; and an element distribution image inside the solid-state circuit breaker switching coil is generated according to the element distribution state information, and three-dimensional space feature identification is performed on the element distribution image.

[0094] Optionally, the solid-state circuit breaker switching coil is detected by X-ray scanning to obtain profile characteristic information of all elements inside the solid-state circuit breaker switching coil; and element distribution position information inside the solid-state circuit breaker switching coil is determined according to the profile characteristic information of all elements; wherein the element distribution position information includes distribution position information of the magnetic core and the winding inside the solid-state circuit breaker switching coil.

[0095] Optionally, the element distribution position information inside the solid-state circuit breaker switching coil is determined as shown in the foregoing formula (1) to formula (3), which will not be described here.

[0096] Optionally, the element distribution position information is processed by three-dimensional space modeling to generate an element distribution image inside the solid-state circuit breaker switching coil; wherein the element distribution image includes a distribution three-dimensional image of the magnetic core and the winding inside the solid-state circuit breaker switching coil, and three-dimensional space coordinate feature recognition is performed on the element distribution image to determine the spatial coordinate information of a plurality of three-dimensional space identification points inside the element distribution image.

[0097] Step S203, determine the working state of the solid-state circuit breaker switching coil according to the three-dimensional space features of the magnetic flux leakage distribution image and the element distribution image, and perform corresponding warning operation.

[0098] In this embodiment, according to the three-dimensional space features of the magnetic flux leakage distribution image and the element distribution image respectively, the leakage loss feature information of each element inside the solid-state circuit breaker switching coil is determined; and according to the leakage loss feature information, it is judged whether the solid-state circuit breaker switching coil is in an abnormal working state, so that corresponding early warning operation is performed.

[0099] Optionally, the space coordinate information of all three-dimensional space identification points of the magnetic flux leakage distribution image and the element distribution image is matched one by one, so as to integrate and overlap the magnetic flux leakage distribution image and the element distribution image into the same space coordinate system, thereby extracting the leakage magnetic field strength information corresponding to each element of the solid-state circuit breaker switching coil; and the leakage magnetic field strength information corresponding to each element is analyzed to determine the leakage loss change rate information of each element.

[0100] Optionally, according to the leakage loss change rate information of all elements, it is judged whether the solid-state circuit breaker switching coil inside can meet the preset magnetic field strength condition within a preset time length; if yes, it is judged that the solid-state circuit breaker switching coil is not in an abnormal working state; if no, it is judged that the solid-state circuit breaker switching coil is in an abnormal working state; when the solid-state circuit breaker switching coil is in an abnormal working state, an early warning notification message is sent to the terminal platform corresponding to the solid-state circuit breaker switching coil; wherein the early warning notification message includes the device position information where the solid-state circuit breaker switching coil is located.

[0101] Figure 3 It is a schematic diagram of a magnetic flux leakage early warning system of a solid-state circuit breaker switching coil according to an embodiment of the present application. The magnetic flux leakage early warning system 300 of the solid-state circuit breaker switching coil comprises a magnetic flux leakage detection module 301, a magnetic flux leakage distribution image generation and identification module 302, a non-contact detection module 303, an element distribution image generation and identification module 304, a leakage loss determination module 305, and a coil state recognition and early warning module 306.

[0102] In this embodiment, the magnetic flux leakage detection module 301 is used for detecting the magnetic flux leakage of the space environment where the solid-state circuit breaker switching coil is located, to obtain the magnetic flux leakage signal of the space environment.

[0103] Optionally, the magnetic flux leakage distribution image generation and identification module 302 is used for pre-processing and conversion processing of the magnetic flux leakage signal, to obtain the magnetic flux leakage distribution image of the space environment, and to identify the three-dimensional space features of the magnetic flux leakage distribution image.

[0104] Optionally, the non-contact detection module 303 is used for non-contact detection of the solid-state circuit breaker switching coil, to obtain the element distribution state information inside the solid-state circuit breaker switching coil.

[0105] Optionally, the element distribution image generation and identification module 304 is configured to generate an element distribution image of the inside of the solid-state circuit breaker switching coil based on the element distribution state information, and identify three-dimensional spatial features of the element distribution image.

[0106] Optionally, the magnetic flux leakage loss determination module 305 is configured to determine magnetic flux leakage loss feature information of each element inside the solid-state circuit breaker switching coil based on the three-dimensional spatial features of the magnetic flux leakage distribution image and the element distribution image.

[0107] Optionally, the coil state identification and early warning module 306 is configured to determine whether the solid-state circuit breaker switching coil is in an abnormal working state based on the magnetic flux leakage loss feature information, and perform corresponding early warning operations.

[0108] In this embodiment, the magnetic flux leakage of the space environment in which the solid-state circuit breaker switching coil is located is detected to obtain a magnetic flux leakage signal of the space environment, and a corresponding magnetic flux leakage distribution image is generated based on the magnetic flux leakage signal and three-dimensional spatial features of the magnetic flux leakage distribution image are identified, so that the magnetic flux leakage of the coil is spatially calibrated; the solid-state circuit breaker switching coil is non-contact detected to obtain element distribution state information of the inside of the coil, and an element distribution image is generated based on the element distribution state information and three-dimensional spatial features of the element distribution image are identified, so that the element distribution position of the inside of the coil is spatially calibrated; based on the three-dimensional spatial features of the magnetic flux leakage distribution image and the element distribution image, magnetic flux leakage loss feature information of the elements inside the coil is determined, so that whether the coil is in an abnormal working state is determined and early warning operations are performed, and whether the solid-state circuit breaker has abnormal conditions such as reduced response speed and sensitivity is identified, and the reliability and automation degree of the detection of the switching coil are improved; thereby, the technical problem of high maintenance cost of the solid-state circuit breaker switching coil is solved, and the technical effect of reducing the maintenance cost of the solid-state circuit breaker switching coil is achieved.

[0109] According to the embodiments of the present application, a solid-state circuit breaker switching coil early warning device is also provided. It should be noted that the solid-state circuit breaker switching coil early warning device can be used to execute the solid-state circuit breaker switching coil early warning method in the method embodiment.

[0110] Figure 4 is a schematic diagram of a solid-state circuit breaker switching coil early warning device according to an embodiment of the present application. As shown in Figure 4 the solid-state circuit breaker switching coil early warning device 400 can include a first determination unit 401, a second determination unit 402, a third determination unit 403, a fourth determination unit 404, and an output unit 405.

[0111] The first determination unit 401 is configured to determine a solid-state circuit breaker switching coil to be detected.

[0112] The second determination unit 402 is configured to determine a leakage magnetic three-dimensional feature and an element three-dimensional feature based on the solid-state circuit breaker switching coil, wherein the leakage magnetic three-dimensional feature is used to indicate a three-dimensional feature of a space environment in which the solid-state circuit breaker switching coil is located, and the element three-dimensional feature is used to indicate a three-dimensional feature of a plurality of elements in the solid-state circuit breaker switching coil.

[0113] The third determination unit 403 is configured to determine leakage magnetic loss feature information of each element in the solid-state circuit breaker switching coil based on the leakage magnetic three-dimensional feature and the element three-dimensional feature.

[0114] The fourth determination unit 404 is configured to determine a working state of the solid-state circuit breaker switching coil based on the leakage magnetic loss feature information.

[0115] The output unit 405 is configured to output a warning information of the solid-state circuit breaker switching coil in response to the working state being an abnormal working state, wherein the warning information is used to indicate the abnormal working state.

[0116] Optionally, the second determination unit 402 can include: a first acquisition module configured to acquire a space environment of the solid-state circuit breaker switching coil; a first detection module configured to detect the space environment to determine a leakage magnetic signal of the space environment, wherein the leakage magnetic signal is used to indicate a change or an abnormal situation of a magnetic field in the space environment; a first determination module configured to determine a leakage magnetic distribution image of the space environment based on the leakage magnetic signal, wherein the leakage magnetic distribution image is used to indicate a change of intensity and direction of the magnetic field in the space environment; and a second determination module configured to determine a leakage magnetic three-dimensional feature of the leakage magnetic distribution image in the space environment.

[0117] Optionally, the second determination unit 402 can include: a second detection module configured to detect the solid-state circuit breaker switching coil to determine distribution state information of each element in the solid-state circuit breaker switching coil, wherein the distribution state information is used to indicate a distribution of each element in the solid-state circuit breaker switching coil; a generation module configured to generate an element distribution image of the solid-state circuit breaker switching coil based on the distribution state information; and a third determination module configured to determine an element three-dimensional feature of the element distribution image.

[0118] Optionally, the third determination unit 403 can include: a fourth determination module configured to determine leakage magnetic field intensity information of each element in the solid-state circuit breaker switching coil based on the leakage magnetic three-dimensional feature and the element three-dimensional feature, wherein the leakage magnetic field intensity information is used to indicate an influence of a magnetic field generated by the solid-state circuit breaker switching coil on the element when the solid-state circuit breaker switching coil is working; and a fifth determination module configured to determine the leakage magnetic loss feature information of each element in the solid-state circuit breaker switching coil based on the leakage magnetic field intensity information, wherein the leakage magnetic loss feature information is used to indicate a magnetic energy loss of the element.

[0119] Optionally, the fourth determining unit 404 can comprise: a comparison module, configured to compare the magnetic flux leakage loss feature information with the preset condition to obtain a comparison result; and a sixth determining module, configured to determine that the working state of the solid-state circuit breaker opening and closing coil is an abnormal working state in response to the comparison result being that the magnetic flux leakage loss feature information does not satisfy the preset condition.

[0120] Optionally, the early warning device 400 of the solid-state circuit breaker opening and closing coil can further comprise: a seventh determining module, configured to determine that the working state of the solid-state circuit breaker opening and closing coil is a normal working state in response to the comparison result being that the magnetic flux leakage loss feature information satisfies the preset condition.

[0121] In this embodiment, the solid-state circuit breaker opening and closing coil to be detected is determined; the magnetic flux leakage three-dimensional feature and the element three-dimensional feature are determined based on the solid-state circuit breaker opening and closing coil; the magnetic flux leakage loss feature information of each element in the solid-state circuit breaker opening and closing coil is determined based on the magnetic flux leakage three-dimensional feature and the element three-dimensional feature; the working state of the solid-state circuit breaker opening and closing coil is determined based on the magnetic flux leakage loss feature information; and the early warning information of the solid-state circuit breaker opening and closing coil is output in response to the working state being an abnormal working state. That is, the working state of the solid-state circuit breaker opening and closing coil is determined by determining the magnetic flux leakage loss feature information of each element in the solid-state circuit breaker opening and closing coil to be detected, so that early warning of the solid-state circuit breaker opening and closing coil is realized according to the working state. Since the early warning operation can be used to identify whether the solid-state circuit breaker exists abnormal conditions such as reduced response speed and sensitivity, the purpose of maintaining the solid-state circuit breaker opening and closing coil is achieved, the technical problem of high maintenance cost of the solid-state circuit breaker opening and closing coil is solved, and the technical effect of reducing the maintenance cost of the solid-state circuit breaker opening and closing coil is achieved.

[0122] According to the embodiment of the present application, a computer readable storage medium is also provided, which comprises a stored program, wherein the program executes the early warning method of the solid-state circuit breaker opening and closing coil in the method embodiment.

[0123] According to the embodiment of the present application, a processor is also provided, which is used to run a program, wherein the program executes the early warning method of the solid-state circuit breaker opening and closing coil in the method embodiment when running.

[0124] According to the embodiment of the present application, a computer program product is also provided, which comprises computer instructions, and the computer instructions are executed by a processor to realize the early warning method of the solid-state circuit breaker opening and closing coil in the method embodiment.

[0125] The above-mentioned serial numbers of the embodiments of the present application are only for description, and do not represent the advantages and disadvantages of the embodiments.

[0126] In the above-mentioned embodiments of the present application, the description of each embodiment is focused on, and the part not described in detail in a certain embodiment can be referred to the relevant description of other embodiments.

[0127] In several embodiments provided in the present application, it should be understood that the disclosed technical contents can be implemented by other ways. Among them, the above-mentioned device embodiments are only schematic, for example, the division of units can be a logical function division, and actual implementation can have another division way, for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or direct coupling or communication connection between the units or modules shown or discussed can be indirect coupling or communication connection through some interfaces, and can be electrical or other forms.

[0128] The units described as separate components can or can not be physically separate, and the components shown as units can or can not be physical units, that is, they can be located in one place, or they can be distributed to multiple units. Part or all of the units can be selected according to actual needs to achieve the purpose of the present embodiment.

[0129] In addition, each functional unit in each embodiment of the present application can be integrated in one processing unit, or each unit can exist physically, or two or more units can be integrated in one unit. The above integrated unit can be realized in the form of hardware or in the form of software functional unit.

[0130] If the integrated unit is realized in the form of software functional unit and sold or used as an independent functional component, it can be stored in a computer readable storage medium. Based on such understanding, the technical solutions of the present application essentially or the part of the prior art that makes contributions or all or part of the technical solutions can be embodied in the form of software functional components, which are stored in a storage medium, including a plurality of instructions for making a computer device (which can be a personal computer, a server or a network device, etc.) execute all or part of the steps of the embodiments of the present application. The foregoing storage medium includes: U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk or optical disk and various program code storage media.

[0131] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should be considered as the protection scope of the present application.

Claims

1. A pre-warning method for solid state circuit breaker opening and closing coil, characterized in that, The method comprises: determining a solid-state circuit breaker switching coil to be detected; based on the solid-state circuit breaker switching coil, determining a leakage magnetic three-dimensional feature and an element three-dimensional feature, wherein the leakage magnetic three-dimensional feature is used to indicate a three-dimensional feature of a space environment in which the solid-state circuit breaker switching coil is located, and the element three-dimensional feature is used to indicate a three-dimensional feature of a plurality of elements in the solid-state circuit breaker switching coil; based on the leakage magnetic three-dimensional feature and the element three-dimensional feature, determining leakage magnetic loss feature information of each element in the solid-state circuit breaker switching coil; based on the leakage magnetic loss feature information, determining the working state of the solid-state circuit breaker switching coil; in response to the working state being an abnormal working state, outputting a warning information of the solid-state circuit breaker switching coil, wherein the warning information is used to indicate the abnormal working state.

2. The method of claim 1, wherein, Based on the solid-state circuit breaker switching coil, the leakage magnetic three-dimensional feature is determined, comprising: acquiring the space environment of the solid-state circuit breaker switching coil; detecting the space environment to determine a leakage magnetic signal of the space environment, wherein the leakage magnetic signal is used to indicate changes or abnormal conditions of a magnetic field in the space environment; based on the leakage magnetic signal, determining a leakage magnetic distribution image of the space environment, wherein the leakage magnetic distribution image is used to indicate intensity and direction changes of the magnetic field in the space environment; determining the leakage magnetic three-dimensional feature of the leakage magnetic distribution image in the space environment.

3. The method of claim 1, wherein, Based on the solid-state circuit breaker switching coil, the element three-dimensional feature is determined, comprising: detecting the solid-state circuit breaker switching coil to determine distribution state information of each element in the solid-state circuit breaker switching coil, wherein the distribution state information is used to indicate the distribution of each element in the solid-state circuit breaker switching coil; based on the distribution state information, generating an element distribution image of the solid-state circuit breaker switching coil; determining the element three-dimensional feature of the element distribution image.

4. The method of claim 1, wherein, Based on the leakage magnetic three-dimensional feature and the element three-dimensional feature, the leakage magnetic loss feature information of each element in the solid-state circuit breaker switching coil is determined, comprising: based on the leakage magnetic three-dimensional feature and the element three-dimensional feature, determining leakage magnetic field intensity information of each element in the solid-state circuit breaker switching coil, wherein the leakage magnetic field intensity information is used to indicate the influence of the magnetic field generated by the solid-state circuit breaker switching coil on the elements when the solid-state circuit breaker switching coil is working; based on the leakage magnetic field intensity information, determining leakage magnetic loss feature information of each element in the solid-state circuit breaker switching coil, wherein the leakage magnetic loss feature information is used to indicate the magnetic energy loss of the elements.

5. The method of claim 1, wherein, Based on the leakage magnetic loss feature information, the working state of the solid-state circuit breaker switching coil is determined, comprising: comparing the leakage magnetic loss feature information with a preset condition to obtain a comparison result; in response to the comparison result being that the leakage magnetic loss feature information does not meet the preset condition, determining that the working state of the solid-state circuit breaker switching coil is the abnormal working state.

6. The method of claim 5, wherein, The method further comprises: In response to the comparison result being that the leakage loss characteristic information meets the preset condition, the working state of the solid-state circuit breaker opening and closing coil is determined as a normal working state.

7. A pre-warning device for solid state circuit breaker opening and closing coil, characterized in that, The method comprises the steps of: A first determination unit is configured to determine a solid-state circuit breaker opening and closing coil to be detected. A second determination unit is configured to determine leakage magnetic three-dimensional features and element three-dimensional features based on the solid-state circuit breaker opening and closing coil, wherein the leakage magnetic three-dimensional features are used to indicate three-dimensional features of a space environment in which the solid-state circuit breaker opening and closing coil is located, and the element three-dimensional features are used to indicate three-dimensional features of a plurality of elements in the solid-state circuit breaker opening and closing coil. A third determination unit is configured to determine leakage loss characteristic information of each element in the solid-state circuit breaker opening and closing coil based on the leakage magnetic three-dimensional features and the element three-dimensional features. A fourth determination unit is configured to determine a working state of the solid-state circuit breaker opening and closing coil based on the leakage loss characteristic information. An output unit is configured to output early warning information of the solid-state circuit breaker opening and closing coil in response to the working state being an abnormal working state, wherein the early warning information is used to indicate the abnormal working state.

8. A computer-readable storage medium, characterized in that, The computer readable storage medium comprises a stored program, wherein the program, when executed by a processor, controls a device in which the storage medium is located to perform the method of any one of claims 1 to 6.

9. A processor, comprising: The processor is configured to execute a program, wherein the program, when executed, performs the method of any one of claims 1 to 6.

10. A computer program product, characterised in that, The computer program product comprises computer instructions that, when executed by a processor, implement the method of any one of claims 1 to 6.

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