Fault detection method and system for multiplexing channel power supply

Abstract

The invention relates to the technical field of fault detection, and discloses a fault detection method and system for a multiplexing channel power supply, and the method comprises the steps: deploying a plurality of power supply parameter collection points on the multiplexing channel power supply, and collecting a plurality of power supply operation parameters of the multiplexing channel power supply; integrating the power supply operation parameters corresponding to the power supply parameter acquisition points to obtain a plurality of power supply operation parameter sets, and calculating sub-fault detection coefficients; calculating a comprehensive fault detection coefficient of the multiplexing channel power supply according to all the sub-fault detection coefficients; the method comprises the following steps: presetting a preset comprehensive fault detection coefficient, judging whether the multiplexing channel power supply has a fault or not according to the relationship between the comprehensive fault detection coefficient and the preset comprehensive fault detection coefficient, and if yes, giving an alarm, so that fault detection can be performed on the multiplexing channel power supply, and quantitative analysis is performed on the fault degree, thereby ensuring the fault detection precision and efficiency. Manual participation in detection is not needed, misoperation, misjudgment, missed judgment and the like are avoided, and safety and stability of equipment operation are guaranteed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of fault detection, in particular to a fault detection method and system of multiplexing channel power supply. BACKGROUND

[0002] With the continuous development of electronic technology, multiplexing channel power supply has been widely used in many fields, and its reliability is crucial to the normal operation of the entire system. However, various faults may occur during the use of multiplexing channel power supply, such as voltage abnormalities, current fluctuations, short circuits, open circuits, etc. If these faults cannot be detected and handled in time, it may cause the system to run unstable, and even cause serious safety accidents.

[0003] Currently, there are some deficiencies in the detection method of multiplexing channel power supply faults. The traditional detection method relies on manual operation, which not only has low automation degree and low detection efficiency, but also is easily affected by human factors, leading to problems such as misoperation, misjudgment and missed judgment. In addition, some existing detection methods can only give qualitative fault judgment, and cannot quantitatively analyze the fault degree, which is difficult to meet the needs of high-precision and real-time detection. SUMMARY

[0004] The present application provides a fault detection method and system of multiplexing channel power supply, which can detect faults of multiplexing channel power supply and quantitatively analyze the fault degree, ensuring the accuracy and efficiency of fault detection, without the need for human intervention in detection, avoiding misoperation, misjudgment and missed judgment, and ensuring the safety and stability of equipment operation.

[0005] In order to achieve the above purpose, the present application provides a fault detection method of multiplexing channel power supply, comprising:

[0006] receiving a fault detection instruction, determining a multiplexing channel power supply, deploying a plurality of power parameter collection points on the multiplexing channel power supply, and collecting a plurality of power operation parameters of the multiplexing channel power supply based on the power parameter collection points;

[0007] Integrate the power operation parameters corresponding to each power parameter collection point to obtain a plurality of power operation parameter sets, and calculate the sub-fault detection coefficient of the multiplexing channel power supply based on the power operation parameter set;

[0008] Determine the sub-fault detection coefficient corresponding to each power operation parameter set, and calculate the comprehensive fault detection coefficient of the multiplexing channel power supply according to all the sub-fault detection coefficients;

[0009] Pre-set a preset comprehensive fault detection coefficient, judge whether the multiplexing channel power supply has a fault according to the relationship between the comprehensive fault detection coefficient and the preset comprehensive fault detection coefficient, and if so, issue an alarm.

[0010] Further, before receiving the fault detection instruction and determining the multiplexing channel power supply, the method further comprises:

[0011] acquiring a previous instruction and determining an instruction category of the previous instruction;

[0012] matching the fault detection instruction with the instruction category of the previous instruction and determining whether the fault detection instruction is the same as the previous instruction;

[0013] if the fault detection instruction matches the instruction category of the previous instruction, determining that the fault detection instruction is the same as the previous instruction, collecting a first time node at which the fault detection instruction is sent, and collecting a second time node at which the previous instruction is sent;

[0014] calculating a time node difference value of the first time node and the second time node, and determining whether the fault detection instruction can be processed according to a relationship between the time node difference value and a preset time node difference value;

[0015] if the time node difference value is greater than or equal to the preset time node difference value, determining that the fault detection instruction can be processed;

[0016] if the time node difference value is less than the preset time node difference value, determining that the fault detection instruction cannot be processed, and generating a log reminder, and sending the log reminder;

[0017] if the fault detection instruction does not match the instruction category of the previous instruction, determining that the fault detection instruction is not the same as the previous instruction, and processing the fault detection instruction.

[0018] Further, before calculating the sub-fault detection coefficient of the multiplexing channel power supply based on the set of power supply operation parameters, the method further comprises:

[0019] determining a maximum power supply operation parameter and a minimum power supply operation parameter from the set of power supply operation parameters;

[0020] calculating a set ideal value of the set of power supply operation parameters according to the maximum power supply operation parameter and the minimum power supply operation parameter;

[0021] pre-setting a preset set ideal value, and if the set ideal value is greater than or equal to the preset set ideal value, calculating the sub-fault detection coefficient of the multiplexing channel power supply based on the set of power supply operation parameters;

[0022] If the set ideal value is less than the preset set ideal value, the power operation parameter set is sorted from small to large, the first power operation parameter and the second power operation parameter are extracted, and a parameter difference value of the first power operation parameter and the second power operation parameter is calculated;

[0023] A preset parameter difference value is obtained, and if the parameter difference value is greater than the preset parameter difference value, the first power operation parameter and the second power operation parameter are retained;

[0024] If the parameter difference value is less than or equal to the preset parameter difference value, the first power operation parameter is deleted, and the second power operation parameter is retained;

[0025] A third power operation parameter and a fourth power operation parameter are extracted, and a second parameter difference value of the third power operation parameter and the fourth power operation parameter is calculated;

[0026] The iteration is repeated, all power operation parameters are analyzed, and a sub-fault detection coefficient of the multiplexing channel power supply is calculated according to the retained power operation parameters;

[0027] The set ideal value of the power operation parameter set is calculated according to the following formula:

[0028]

[0029] Wherein, the s is the set ideal value of the power operation parameter set, a1 is the maximum power operation parameter, a2 is the minimum power operation parameter, n is the number of power operation parameters in the power operation parameter set, k i is the i-th power operation parameter in the power operation parameter set, k i+1 is the i+1-th power operation parameter in the power operation parameter set.

[0030] Further, when calculating the sub-fault detection coefficient of the multiplexing channel power supply based on the power operation parameter set, it includes:

[0031] A power operation parameter is randomly determined from the power operation parameter set as a standard power operation parameter;

[0032] The characteristic power operation parameter corresponding to the power operation parameter set is calculated, wherein the characteristic power operation parameter is the mean value corresponding to the power operation parameter set;

[0033] The parameter difference between the standard power operation parameter and the characteristic power operation parameter is calculated, wherein the parameter difference is the absolute value of the difference between the standard power operation parameter and the characteristic power operation parameter;

[0034] extracting a first parameter difference and a second parameter difference from all the parameter differences, and calculating an absolute value of difference between the first parameter difference and the second parameter difference;

[0035] extracting a first parameter difference and a second parameter difference from all the parameter differences, and calculating an absolute value of difference between the first parameter difference and the second parameter difference;

[0036] extracting a first parameter difference and a second parameter difference from all the parameter differences, and calculating an absolute value of difference between the first parameter difference and the second parameter difference;

[0037] extracting a first parameter difference and a second parameter difference from all the parameter differences, and calculating an absolute value of difference between the first parameter difference and the second parameter difference;

[0038] extracting a first parameter difference and a second parameter difference from all the parameter differences, and calculating an absolute value of difference between the first parameter difference and the second parameter difference;

[0039] extracting a first parameter difference and a second parameter difference from all the parameter differences, and calculating an absolute value of difference between the first parameter difference and the second parameter difference;

[0040] extracting a first parameter difference and a second parameter difference from all the parameter differences, and calculating an absolute value of difference between the first parameter difference and the second parameter difference;

[0041] extracting a first parameter difference and a second parameter difference from all the parameter differences, and calculating an absolute value of difference between the first parameter difference and the second parameter difference;

[0042]

[0043] wherein c is the sub-fault detection coefficient of the multiplexing channel power supply, m is the number of the calculation factor matching pairs, r1 y is one calculation factor in the yth calculation factor matching pair, r2 y is another calculation factor in the yth calculation factor matching pair, ((r1 y -r2 y ) 2 ) min is the minimum value of all (r1 y -r2 y ) 2 ((r1 y -r2 y ) 2 ) max is the maximum value of all (r1 y -r2 y ) 2 .

[0044] extracting a first parameter difference and a second parameter difference from all the parameter differences, and calculating an absolute value of difference between the first parameter difference and the second parameter difference;

[0045] determining a preset parameter-weight distribution table;

[0046] traversing the power supply operation parameter corresponding to the sub-fault detection coefficient in the parameter-weight distribution table to determine the coefficient weight corresponding to the sub-fault detection coefficient;

[0047] respectively calculating the product value of each coefficient weight and the sub-fault detection coefficient, and summing up to obtain the comprehensive fault detection coefficient of the multiplexing channel power supply.

[0048] Further, in the relationship between the comprehensive fault detection coefficient and the preset comprehensive fault detection coefficient, when judging whether the multiplexing channel power supply has a fault, it comprises:

[0049] When the comprehensive fault detection coefficient is less than the preset comprehensive fault detection coefficient, it is judged that the multiplexing channel power supply does not have a fault;

[0050] When the comprehensive fault detection coefficient is greater than or equal to the preset comprehensive fault detection coefficient, it is judged that the multiplexing channel power supply has a fault.

[0051] In order to achieve the above purpose, the present application also provides a fault detection system of a multiplexing channel power supply, comprising:

[0052] A parameter acquisition module is configured to receive a fault detection instruction, determine a multiplexing channel power supply, deploy a plurality of power supply parameter acquisition points on the multiplexing channel power supply, and collect a plurality of power supply operation parameters of the multiplexing channel power supply based on the power supply parameter acquisition points.

[0053] A first calculation module is configured to integrate the power supply operation parameters corresponding to each power supply parameter acquisition point to obtain a plurality of power supply operation parameter sets, and calculate a sub-fault detection coefficient of the multiplexing channel power supply based on the power supply operation parameter sets.

[0054] A second calculation module is configured to determine a sub-fault detection coefficient corresponding to each power supply operation parameter set, and calculate a comprehensive fault detection coefficient of the multiplexing channel power supply according to all the sub-fault detection coefficients.

[0055] A fault detection module is configured to preset a preset comprehensive fault detection coefficient, judge whether the multiplexing channel power supply has a fault according to the relationship between the comprehensive fault detection coefficient and the preset comprehensive fault detection coefficient, and if so, issue an alarm.

[0056] Further, it further comprises:

[0057] An instruction processing module is configured to obtain a previous instruction and determine the instruction category of the previous instruction.

[0058] matching the fault detection instruction with an instruction category of the previous instruction, and determining whether the fault detection instruction is same as the previous instruction;

[0059] If the fault detection instruction matches the instruction category of the previous instruction, it is determined that the fault detection instruction is same as the previous instruction, a first time node of sending the fault detection instruction is collected, and a second time node of sending the previous instruction is collected;

[0060] The time node difference between the first time node and the second time node is calculated, and whether the fault detection instruction can be processed is determined according to the relationship between the time node difference and a preset time node difference;

[0061] If the time node difference is greater than or equal to the preset time node difference, it is determined that the fault detection instruction can be processed;

[0062] If the time node difference is less than the preset time node difference, it is determined that the fault detection instruction cannot be processed, and a log reminder is generated and sent;

[0063] If the fault detection instruction does not match the instruction category of the previous instruction, it is determined that the fault detection instruction is not same as the previous instruction, and the fault detection instruction is processed.

[0064] Further, it further comprises:

[0065] The collection processing module is configured to determine a maximum power supply operation parameter and a minimum power supply operation parameter from the power supply operation parameter set;

[0066] The set ideal value of the power supply operation parameter set is calculated according to the maximum power supply operation parameter and the minimum power supply operation parameter;

[0067] A preset set ideal value is preset, and if the set ideal value is greater than or equal to the preset set ideal value, the sub-fault detection coefficient of the multiplexing channel power supply is calculated based on the power supply operation parameter set;

[0068] If the set ideal value is less than the preset set ideal value, the power supply operation parameter set is sorted from small to large, the first power supply operation parameter and the second power supply operation parameter are extracted, and the parameter difference between the first power supply operation parameter and the second power supply operation parameter is calculated;

[0069] A preset parameter difference value is obtained, and if the parameter difference is greater than the preset parameter difference value, the first power supply operation parameter and the second power supply operation parameter are reserved;

[0070] If the parameter difference is less than or equal to the preset parameter difference, the first power operation parameter is deleted, and the second power operation parameter is retained.

[0071] The third power operation parameter and the fourth power operation parameter are extracted, and a second parameter difference of the third power operation parameter and the fourth power operation parameter is calculated.

[0072] The iteration is repeated, all power operation parameters are analyzed, and a sub-fault detection coefficient of the multiplexing channel power supply is calculated according to the retained power operation parameters.

[0073] The set ideal value of the power operation parameter set is calculated according to the following formula:

[0074]

[0075] Wherein, the s is the set ideal value of the power operation parameter set, a1 is the maximum power operation parameter, a2 is the minimum power operation parameter, n is the number of power operation parameters in the power operation parameter set, k i is the i-th power operation parameter in the power operation parameter set, k i+1 is the i+1-th power operation parameter in the power operation parameter set.

[0076] Compared with the prior art, the present application has the following beneficial effects:

[0077] The application discloses a fault detection method and system of a multiplexing channel power supply, multiple power parameter collection points are arranged on the multiplexing channel power supply, and multiple power operation parameters of the multiplexing channel power supply are collected; the power operation parameters corresponding to each power parameter collection point are integrated to obtain multiple power operation parameter sets, and a sub-fault detection coefficient is calculated; a comprehensive fault detection coefficient of the multiplexing channel power supply is calculated according to all the sub-fault detection coefficients; a preset comprehensive fault detection coefficient is preset, and whether the multiplexing channel power supply has a fault is judged according to the relationship between the comprehensive fault detection coefficient and the preset comprehensive fault detection coefficient; if yes, an alarm is sent, the multiplexing channel power supply can be detected for a fault, and the fault degree can be quantitatively analyzed, so that the fault detection precision and efficiency are ensured, manual detection is not needed, misoperation, misjudgment and missed judgment are avoided, and the safety and stability of equipment operation are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0078] Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The accompanying drawings are included to provide a description of the preferred embodiments and are not intended to limit the scope of the application. Furthermore, the same reference numerals are used throughout the several views of the drawings to denote the same or similar parts. In the drawings:

[0079] Figure 1A flow diagram of a fault detection method of a multiplexed channel power supply is shown in the embodiment of the application.

[0080] Figure 2 A structure diagram of a fault detection system of a multiplexed channel power supply is shown in the embodiment of the application. DETAILED DESCRIPTION

[0081] The specific embodiments of the application will be further described in conjunction with the accompanying drawings and embodiments. The following embodiments are used to illustrate the application, but not to limit the scope of the application.

[0082] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0083] The terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0084] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium, or internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0085] The following is a description of the preferred embodiments of the application in conjunction with the accompanying drawings.

[0086] As Figure 1 shown, the embodiments of the application disclose a fault detection method of a multiplexed channel power supply, comprising:

[0087] S110: receiving a fault detection instruction, determining a multiplexed channel power supply, deploying a plurality of power supply parameter collection points on the multiplexed channel power supply, and collecting a plurality of power supply operating parameters of the multiplexed channel power supply based on the power supply parameter collection points;

[0088] In this embodiment, the power supply parameter collection points are uniformly arranged on the multiplexing channel power supply, and the specific number is preferably 14.

[0089] In this embodiment, the power supply operation parameters include power supply operation voltage, power supply operation current, power supply operation frequency, and the like, which are not shown one by one.

[0090] In this embodiment, each power supply parameter collection point corresponds to a plurality of power supply operation parameters.

[0091] In some embodiments of the present application, before receiving the fault detection instruction and determining a multiplexing channel power supply, the method further comprises:

[0092] obtaining a previous instruction and determining the instruction category of the previous instruction;

[0093] matching the fault detection instruction with the instruction category of the previous instruction, and determining whether the fault detection instruction is the same as the previous instruction;

[0094] If the instruction category of the fault detection instruction matches the instruction category of the previous instruction, it is determined that the fault detection instruction is the same as the previous instruction, the first time node at which the fault detection instruction is sent is collected, and the second time node at which the previous instruction is sent is collected;

[0095] calculating the time node difference value of the first time node and the second time node, and determining whether the fault detection instruction can be processed according to the relationship between the time node difference value and a preset time node difference value;

[0096] If the time node difference value is greater than or equal to the preset time node difference value, it is determined that the fault detection instruction can be processed;

[0097] If the time node difference value is less than the preset time node difference value, it is determined that the fault detection instruction cannot be processed, and a log reminder is generated and sent;

[0098] If the instruction category of the fault detection instruction does not match the instruction category of the previous instruction, it is determined that the fault detection instruction is not the same as the previous instruction, and the fault detection instruction is processed.

[0099] In this embodiment, the previous instruction can be a voltage detection instruction or a current detection instruction.

[0100] In this embodiment, the preset time node difference value is preferably 40 minutes.

[0101] The beneficial effects of the above technical solution are that the present application can avoid repeated fault detection of the multiplexing channel power supply in a short time, and can also avoid missing detection.

[0102] S120: integrating the power operation parameters corresponding to each power parameter collection point to obtain a plurality of power operation parameter sets, and calculating a sub-fault detection coefficient of the multiplexing channel power supply based on the power operation parameter sets;

[0103] In this embodiment, the same type of power operation parameters corresponding to each power parameter collection point are combined, such as the power operation voltages corresponding to each power parameter collection point, to obtain a power operation parameter set about the power operation voltage.

[0104] In some embodiments of the present application, before calculating the sub-fault detection coefficient of the multiplexing channel power supply based on the power operation parameter sets, the following steps are further included:

[0105] determining the maximum power operation parameter and the minimum power operation parameter from the power operation parameter sets;

[0106] calculating a set ideal value of the power operation parameter sets according to the maximum power operation parameter and the minimum power operation parameter;

[0107] pre-setting a preset set ideal value, and if the set ideal value is greater than or equal to the preset set ideal value, then calculating the sub-fault detection coefficient of the multiplexing channel power supply based on the power operation parameter sets;

[0108] If the set ideal value is less than the preset set ideal value, then sorting the power operation parameter sets from small to large, extracting the first power operation parameter and the second power operation parameter, and calculating a parameter difference value of the first power operation parameter and the second power operation parameter;

[0109] obtaining a preset parameter difference value, and if the parameter difference value is greater than the preset parameter difference value, then retaining the first power operation parameter and the second power operation parameter;

[0110] If the parameter difference value is less than or equal to the preset parameter difference value, then deleting the first power operation parameter and retaining the second power operation parameter;

[0111] extracting the third power operation parameter and the fourth power operation parameter, and calculating a second parameter difference value of the third power operation parameter and the fourth power operation parameter;

[0112] repeating iteration, analyzing all power operation parameters, and calculating the sub-fault detection coefficient of the multiplexing channel power supply according to the retained power operation parameters;

[0113] The set ideal value of the power operation parameter sets is calculated according to the following formula:

[0114]

[0115] wherein, the s is a set ideal value of the power operation parameter set, the a1 is a maximum power operation parameter, the a2 is a minimum power operation parameter, the n is a number of power operation parameters in the power operation parameter set, the k i is the i-th power operation parameter in the power operation parameter set, the k i+1 is the i+1-th power operation parameter in the power operation parameter set.

[0116] In the embodiment, the preset set ideal value is preferably 0.4.

[0117] In the embodiment, the preset parameter difference is 12, and the actual situation can also be set.

[0118] The beneficial effects of the above technical scheme are: the application analyzes all power operation parameters, calculates the sub-fault detection coefficient of the multiplexing channel power according to the remaining power operation parameters, can eliminate parameter noise in the power operation parameter set, and provides technical support for accurate calculation of the sub-fault detection coefficient.

[0119] In some embodiments of the application, when calculating the sub-fault detection coefficient of the multiplexing channel power based on the power operation parameter set, it includes:

[0120] Randomly determine a power operation parameter from the power operation parameter set as a standard power operation parameter;

[0121] Calculate the characteristic power operation parameter corresponding to the power operation parameter set, wherein the characteristic power operation parameter is the mean value corresponding to the power operation parameter set;

[0122] Calculate the parameter difference between the standard power operation parameter and the characteristic power operation parameter, wherein the parameter difference is the absolute value of the difference between the standard power operation parameter and the characteristic power operation parameter;

[0123] Calculate the parameter difference corresponding to each power operation parameter;

[0124] Extract the first parameter difference and the second parameter difference from all parameter differences, and calculate the absolute value of the difference between the first parameter difference and the second parameter difference;

[0125] Extract the maximum parameter difference and the minimum parameter difference from all parameter differences, and calculate the range value of the maximum parameter difference and the minimum parameter difference;

[0126] Determine the ratio of the absolute value of the difference and the range value as a calculation factor;

[0127] extracting and calculating all the parameter differences, and determining all the calculation factors;

[0128] randomly matching all the calculation factors two by two to obtain a plurality of calculation factor matching pairs, and calculating a sub-fault detection coefficient of the multiplexing channel power supply.

[0129] In the embodiment, the above steps are repeated to obtain a plurality of calculation factors.

[0130] In the embodiment, when the calculation factors are randomly matched two by two, if there is a single calculation factor that is not matched, it can be deleted.

[0131] The beneficial effects of the above technical solutions are: the present application randomly matches all the calculation factors two by two to obtain a plurality of calculation factor matching pairs, and calculates a sub-fault detection coefficient of the multiplexing channel power supply, which ensures the calculation accuracy and efficiency of the sub-fault detection coefficient, and the sub-fault detection coefficient can feedback the fault state of the multiplexing channel power supply.

[0132] In some embodiments of the present application, when all the calculation factors are randomly matched two by two to obtain a plurality of calculation factor matching pairs, and a sub-fault detection coefficient of the multiplexing channel power supply is calculated, it includes:

[0133] The sub-fault detection coefficient of the multiplexing channel power supply is calculated according to the following formula:

[0134]

[0135] Wherein, c is the sub-fault detection coefficient of the multiplexing channel power supply, m is the number of calculation factor matching pairs, r1 y is one calculation factor in the yth calculation factor matching pair, r2 y is another calculation factor in the yth calculation factor matching pair, ((r1 y -r2 y ) 2 ) min is the minimum value of all (r1 y -r2 y ) 2 ((r1 y -r2 y ) 2 ) max is the maximum value of all (r1 y -r2 y ) 2 .

[0136] S130: Determine the sub-fault detection coefficient corresponding to each power supply operating parameter set, and calculate the comprehensive fault detection coefficient of the multiplexing channel power supply according to all the sub-fault detection coefficients;

[0137] In some embodiments of the present application, when determining the sub-fault detection coefficients corresponding to each power supply operating parameter set, and calculating the comprehensive fault detection coefficient of the multiplexing channel power supply according to all the sub-fault detection coefficients, the following steps are included:

[0138] determining a pre-set parameter-weight distribution table;

[0139] traversing the power supply operating parameters corresponding to the sub-fault detection coefficients in the parameter-weight distribution table to determine the coefficient weight corresponding to the sub-fault detection coefficient;

[0140] respectively calculating the product value of each coefficient weight and the sub-fault detection coefficient, and summing up to obtain the comprehensive fault detection coefficient of the multiplexing channel power supply.

[0141] In this embodiment, the parameter-weight distribution table is pre-set, for example, if the power supply operating parameter is voltage, the weight corresponding to the voltage is 0.6, if the power supply operating parameter is current, the weight corresponding to the current is 0.5, and the specific setting is according to the actual situation.

[0142] The beneficial effects of the above technical solution are: the present application respectively calculates the product value of each coefficient weight and the sub-fault detection coefficient, and sums up to obtain the comprehensive fault detection coefficient of the multiplexing channel power supply, which ensures the calculation accuracy of the comprehensive fault detection coefficient, realizes the quantitative analysis of the multiplexing channel power supply through the comprehensive fault detection coefficient, and further ensures the fault analysis accuracy of the multiplexing channel power supply.

[0143] S140: pre-setting a pre-set comprehensive fault detection coefficient, judging whether the multiplexing channel power supply has a fault according to the relationship between the comprehensive fault detection coefficient and the pre-set comprehensive fault detection coefficient, and if so, issuing an alarm.

[0144] In some embodiments of the present application, when judging whether the multiplexing channel power supply has a fault according to the relationship between the comprehensive fault detection coefficient and the pre-set comprehensive fault detection coefficient, the following steps are included:

[0145] when the comprehensive fault detection coefficient is less than the pre-set comprehensive fault detection coefficient, it is judged that the multiplexing channel power supply does not have a fault;

[0146] when the comprehensive fault detection coefficient is greater than or equal to the pre-set comprehensive fault detection coefficient, it is judged that the multiplexing channel power supply has a fault.

[0147] In this embodiment, the pre-set comprehensive fault detection coefficient is preferably 12, and can also be adjusted according to the actual situation.

[0148] The beneficial effects of the above technical solutions are that the multiplexing channel power supply can be detected for faults, and the fault degree can be quantitatively analyzed to ensure the fault detection accuracy and efficiency, without manual participation in detection, to avoid misoperation, misjudgment and missed judgment, and to ensure the safety and stability of equipment operation.

[0149] In order to further illustrate the technical idea of the present application, the technical solutions of the present application will be described in combination with specific application scenarios.

[0150] Correspondingly, as shown in Figure 2 The present application also provides a fault detection system of a multiplexing channel power supply, which comprises:

[0151] A parameter acquisition module is configured to receive a fault detection instruction, determine a multiplexing channel power supply, deploy a plurality of power supply parameter acquisition points on the multiplexing channel power supply, and acquire a plurality of power supply operation parameters of the multiplexing channel power supply based on the power supply parameter acquisition points.

[0152] A first calculation module is configured to integrate the power supply operation parameters corresponding to each power supply parameter acquisition point to obtain a plurality of power supply operation parameter sets, and calculate a sub-fault detection coefficient of the multiplexing channel power supply based on the power supply operation parameter sets.

[0153] A second calculation module is configured to determine the sub-fault detection coefficient corresponding to each power supply operation parameter set, and calculate a comprehensive fault detection coefficient of the multiplexing channel power supply according to all the sub-fault detection coefficients.

[0154] A fault detection module is configured to pre-set a preset comprehensive fault detection coefficient, determine whether the multiplexing channel power supply has a fault according to the relationship between the comprehensive fault detection coefficient and the preset comprehensive fault detection coefficient, and issue an alarm if the multiplexing channel power supply has a fault.

[0155] In some embodiments of the present application, the present application further comprises:

[0156] An instruction processing module is configured to acquire a previous instruction and determine the instruction category of the previous instruction.

[0157] The fault detection instruction is matched with the instruction category of the previous instruction, and it is determined whether the fault detection instruction is the same as the previous instruction.

[0158] If the fault detection instruction matches the instruction category of the previous instruction, it is determined that the fault detection instruction is the same as the previous instruction, a first time node at which the fault detection instruction is sent is acquired, and a second time node at which the previous instruction is sent is acquired.

[0159] a time node difference value of the first time node and the second time node is calculated, and whether the fault detection instruction can be processed is determined according to a relationship between the time node difference value and a preset time node difference value;

[0160] If the time node difference value is greater than or equal to the preset time node difference value, it is determined that the fault detection instruction can be processed.

[0161] If the time node difference value is less than the preset time node difference value, it is determined that the fault detection instruction cannot be processed, and a log reminder is generated and sent.

[0162] If the instruction category of the fault detection instruction does not match the instruction category of the previous instruction, it is determined that the fault detection instruction is not the same as the previous instruction, and the fault detection instruction is processed.

[0163] In some embodiments of the present application, further comprising:

[0164] A set processing module is configured to determine a maximum power supply operating parameter and a minimum power supply operating parameter from the power supply operating parameter set.

[0165] A set ideal value of the power supply operating parameter set is calculated according to the maximum power supply operating parameter and the minimum power supply operating parameter.

[0166] A preset set ideal value is preset, and if the set ideal value is greater than or equal to the preset set ideal value, a sub-fault detection coefficient of the multiplexing channel power supply is calculated based on the power supply operating parameter set.

[0167] If the set ideal value is less than the preset set ideal value, the power supply operating parameter set is sorted from small to large, a first power supply operating parameter and a second power supply operating parameter are extracted, and a parameter difference value of the first power supply operating parameter and the second power supply operating parameter is calculated.

[0168] A preset parameter difference value is obtained, and if the parameter difference value is greater than the preset parameter difference value, the first power supply operating parameter and the second power supply operating parameter are retained.

[0169] If the parameter difference value is less than or equal to the preset parameter difference value, the first power supply operating parameter is deleted and the second power supply operating parameter is retained.

[0170] A third power supply operating parameter and a fourth power supply operating parameter are extracted, and a second parameter difference value of the third power supply operating parameter and the fourth power supply operating parameter is calculated.

[0171] The iteration is repeated, and all power operation parameters are analyzed, and the sub-fault detection coefficient of the multiplexing channel power is calculated according to the reserved power operation parameters;

[0172] The set ideal value of the power operation parameter set is calculated according to the following formula:

[0173]

[0174] Wherein, the s is the set ideal value of the power operation parameter set, a1 is the maximum power operation parameter, a2 is the minimum power operation parameter, n is the number of power operation parameters in the power operation parameter set, k i is the i-th power operation parameter in the power operation parameter set, k i+1 is the i+1-th power operation parameter in the power operation parameter set.

[0175] In the description of the above embodiments, specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0176] Although the present application has been described with reference to the embodiments above, various improvements can be made and equivalent parts can be substituted without departing from the scope of the present application. In particular, the features of the embodiments disclosed in the present application can be combined with each other in any manner without structural conflicts, and the combinations are not all described in the present specification only for the purpose of omitting the length and saving resources.

[0177] Those skilled in the art can understand that the above are only preferred embodiments of the present application, and are not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, and those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent substitutions for part of the technical features. Any modification, equivalent substitution, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A fault detection method for a multiplexed channel power supply, characterized in that: include: receiving a fault detection instruction, determining a multiplexed channel power supply, deploying a plurality of power parameter collection points on the multiplexed channel power supply, and collecting a plurality of power supply operating parameters of the multiplexed channel power supply based on the power parameter collection points; Integrating the power supply operating parameters corresponding to each power supply parameter collection point to obtain multiple power supply operating parameter sets, and calculating the sub-fault detection coefficient of the multiplexed channel power supply based on the power supply operating parameter sets; Determine the sub-fault detection coefficient corresponding to each power supply operating parameter set, and calculate the comprehensive fault detection coefficient of the multiplexed channel power supply based on all the sub-fault detection coefficients; A preset comprehensive fault detection coefficient is preset, and according to the relationship between the comprehensive fault detection coefficient and the preset comprehensive fault detection coefficient, it is determined whether the multiplexing channel power supply has a fault, and if so, an alarm is issued.

2. The fault detection method for a multiplexed channel power supply according to claim 1, characterized in that: Before receiving a fault detection instruction and determining a multiplexed channel power supply, the method further includes: Obtaining a previous instruction and determining an instruction category of the previous instruction; Matching the fault detection instruction with the instruction category of the previous instruction, and determining whether the fault detection instruction is the same as the previous instruction; If the fault detection instruction matches the instruction category of the previous instruction, determining that the fault detection instruction is the same as the previous instruction, collecting a first time node of sending the fault detection instruction, and collecting a second time node of sending the previous instruction; Calculating a time node difference between the first time node and the second time node, and determining whether the fault detection instruction can be processed based on a relationship between the time node difference and a preset time node difference; If the time node difference is greater than or equal to the preset time node difference, it is determined that the fault detection instruction can be processed; If the time node difference is less than the preset time node difference, it is determined that the fault detection instruction cannot be processed, and a log reminder is generated and sent; If the fault detection instruction does not match the instruction category of the previous instruction, it is determined that the fault detection instruction is different from the previous instruction, and the fault detection instruction is processed.

3. The fault detection method for multiplexed channel power supply according to claim 1, characterized in that: Before calculating the sub-fault detection coefficient of the multiplexed channel power supply based on the power supply operation parameter set, the method further includes: Determining a maximum power operating parameter and a minimum power operating parameter from the power operating parameter set; Calculating a set ideal value of the power supply operating parameter set according to the maximum power supply operating parameter and the minimum power supply operating parameter; Presetting a preset set ideal value, and if the set ideal value is greater than or equal to the preset set ideal value, calculating a sub-fault detection coefficient of the multiplexed channel power supply based on the power supply operation parameter set; If the set ideal value is less than the preset set ideal value, sorting the power supply operating parameter set from small to large, extracting the first power supply operating parameter and the second power supply operating parameter, and calculating the parameter difference between the first power supply operating parameter and the second power supply operating parameter; Obtaining a preset parameter difference, and if the parameter difference is greater than the preset parameter difference, retaining the first power supply operating parameter and the second power supply operating parameter; If the parameter difference is less than or equal to the preset parameter difference, the first power supply operating parameter is deleted and the second power supply operating parameter is retained; extracting a third power supply operating parameter and a fourth power supply operating parameter, and calculating a second parameter difference between the third power supply operating parameter and the fourth power supply operating parameter; Repeat the iteration to analyze all power supply operating parameters, and calculate the sub-fault detection coefficient of the multiplexed channel power supply based on the retained power supply operating parameters; The ideal value of the power supply operating parameter set is calculated according to the following formula: Wherein, s is the ideal value of the power supply operating parameter set, a1 is the maximum power supply operating parameter, a2 is the minimum power supply operating parameter, n is the number of power supply operating parameters in the power supply operating parameter set, k is the maximum power supply operating parameter, and n is the number of power supply operating parameters in the power supply operating parameter set. i is the i-th power supply operating parameter in the power supply operating parameter set, k i+1 The i+1th power supply operating parameter in the power supply operating parameter set.

4. The fault detection method for a multiplexed channel power supply according to claim 1, wherein: When calculating the sub-fault detection coefficient of the multiplexed channel power supply based on the power supply operation parameter set, it includes: Randomly determine a power supply operating parameter from the power supply operating parameter set as a standard power supply operating parameter; Calculating a characteristic power supply operating parameter corresponding to the power supply operating parameter set, wherein the characteristic power supply operating parameter is a mean value corresponding to the power supply operating parameter set; Calculating a parameter difference between the standard power supply operating parameter and the characteristic power supply operating parameter, wherein the parameter difference is an absolute value of a difference between the standard power supply operating parameter and the characteristic power supply operating parameter; Calculate the parameter differences corresponding to each power supply operating parameter; Extracting a first parameter difference and a second parameter difference from all parameter differences, and calculating an absolute value of a difference between the first parameter difference and the second parameter difference; Extracting the maximum parameter difference and the minimum parameter difference from all parameter differences, and calculating the range values ​​of the maximum parameter difference and the minimum parameter difference; Determine the ratio of the absolute value of the difference to the extreme value as a calculation factor; Extract and calculate all remaining parameter differences to determine all calculation factors; All calculation factors are randomly matched in pairs to obtain a plurality of calculation factor matching pairs, and the sub-fault detection coefficients of the multiplexed channel power supply are calculated.

5. The fault detection method for multiplexed channel power supply according to claim 4, characterized in that: When all calculation factors are randomly matched in pairs to obtain a plurality of calculation factor matching pairs, and the sub-fault detection coefficient of the multiplexed channel power supply is calculated, the method includes: The sub-fault detection coefficient of the multiplexed channel power supply is calculated according to the following formula: Where c is the sub-fault detection coefficient of the multiplexed channel power supply, m is the number of calculation factor matching pairs, r1 y is a calculation factor in the yth calculation factor matching pair, r2 y The other calculation factor in the y-th calculation factor matching pair, ((r1 y -r2 y ) 2 ) min For all (r1 y -r2 y ) 2 The minimum value of ((r1 y -r2 y ) 2 ) max For all (r1 y -r2 y ) 2 The maximum value of .

6. The fault detection method for multiplexed channel power supply according to claim 1, characterized in that: When determining the sub-fault detection coefficient corresponding to each power supply operating parameter set and calculating the comprehensive fault detection coefficient of the multiplexed channel power supply based on all the sub-fault detection coefficients, the method includes: Determine the pre-set parameter-weight distribution table; Traversing the power supply operating parameters corresponding to the sub-fault detection coefficients in the parameter-weight classification table to determine the coefficient weights corresponding to the sub-fault detection coefficients; The product value of each coefficient weight and the sub-fault detection coefficient is calculated respectively, and the sum is performed to obtain the comprehensive fault detection coefficient of the multiplexed channel power supply.

7. The fault detection method for a multiplexed channel power supply according to claim 1, characterized in that: When judging whether the multiplexing channel power supply has a fault according to the relationship between the comprehensive fault detection coefficient and the preset comprehensive fault detection coefficient, the method includes: When the comprehensive fault detection coefficient is less than the preset comprehensive fault detection coefficient, it is determined that there is no fault in the multiplexing channel power supply; When the comprehensive fault detection coefficient is greater than or equal to the preset comprehensive fault detection coefficient, it is determined that a fault exists in the multiplexing channel power supply.

8. A fault detection system for a multiplexed channel power supply, applied to the fault detection method for a multiplexed channel power supply according to any one of claims 1 to 7, characterized in that: include: a parameter collection module, configured to receive a fault detection instruction, determine a multiplexed channel power supply, deploy a plurality of power supply parameter collection points on the multiplexed channel power supply, and collect a plurality of power supply operating parameters of the multiplexed channel power supply based on the power supply parameter collection points; a first calculation module, configured to integrate the power supply operating parameters corresponding to each power supply parameter collection point to obtain a plurality of power supply operating parameter sets, and calculate a sub-fault detection coefficient of the multiplexed channel power supply based on the power supply operating parameter sets; A second calculation module is used to determine the sub-fault detection coefficient corresponding to each power supply operation parameter set, and calculate the comprehensive fault detection coefficient of the multiplexed channel power supply based on all the sub-fault detection coefficients; The fault detection module is used to pre-set a preset comprehensive fault detection coefficient, and judge whether the multiplexing channel power supply has a fault based on the relationship between the comprehensive fault detection coefficient and the preset comprehensive fault detection coefficient. If so, an alarm is issued.

9. The fault detection system for multiplexed channel power supply according to claim 8, characterized in that: Also includes: An instruction processing module, configured to obtain a previous instruction and determine an instruction category of the previous instruction; Matching the fault detection instruction with the instruction category of the previous instruction, and determining whether the fault detection instruction is the same as the previous instruction; If the fault detection instruction matches the instruction category of the previous instruction, determining that the fault detection instruction is the same as the previous instruction, collecting a first time node of sending the fault detection instruction, and collecting a second time node of sending the previous instruction; Calculating a time node difference between the first time node and the second time node, and determining whether the fault detection instruction can be processed based on a relationship between the time node difference and a preset time node difference; If the time node difference is greater than or equal to the preset time node difference, it is determined that the fault detection instruction can be processed; If the time node difference is less than the preset time node difference, it is determined that the fault detection instruction cannot be processed, and a log reminder is generated and sent; If the fault detection instruction does not match the instruction category of the previous instruction, it is determined that the fault detection instruction is different from the previous instruction, and the fault detection instruction is processed.

10. The fault detection system for multiplexed channel power supply according to claim 8, characterized in that: Also includes: a set processing module, configured to determine a maximum power supply operating parameter and a minimum power supply operating parameter from the power supply operating parameter set; Calculating a set ideal value of the power supply operating parameter set according to the maximum power supply operating parameter and the minimum power supply operating parameter; Presetting a preset set ideal value, and if the set ideal value is greater than or equal to the preset set ideal value, calculating a sub-fault detection coefficient of the multiplexed channel power supply based on the power supply operation parameter set; If the set ideal value is less than the preset set ideal value, sorting the power supply operating parameter set from small to large, extracting the first power supply operating parameter and the second power supply operating parameter, and calculating the parameter difference between the first power supply operating parameter and the second power supply operating parameter; Obtaining a preset parameter difference, and if the parameter difference is greater than the preset parameter difference, retaining the first power supply operating parameter and the second power supply operating parameter; If the parameter difference is less than or equal to the preset parameter difference, the first power supply operating parameter is deleted and the second power supply operating parameter is retained; extracting a third power supply operating parameter and a fourth power supply operating parameter, and calculating a second parameter difference between the third power supply operating parameter and the fourth power supply operating parameter; Repeat the iteration to analyze all power supply operating parameters, and calculate the sub-fault detection coefficient of the multiplexed channel power supply based on the retained power supply operating parameters; The ideal value of the power supply operating parameter set is calculated according to the following formula: Wherein, s is the ideal value of the power supply operating parameter set, a1 is the maximum power supply operating parameter, a2 is the minimum power supply operating parameter, n is the number of power supply operating parameters in the power supply operating parameter set, k is the maximum power supply operating parameter, and n is the number of power supply operating parameters in the power supply operating parameter set. i is the i-th power supply operating parameter in the power supply operating parameter set, k i+1 The i+1th power supply operating parameter in the power supply operating parameter set.

Images