A motor fault monitoring and early warning system

Abstract

The present invention relates to the technical field of motor fault monitoring and early warning, and discloses a motor fault monitoring and early warning system including a motor data collection module, a motor data analysis module and a motor fault detection and early warning module, wherein the motor data collection module includes a motor temperature data collection unit, a motor heat sink data collection unit, a motor load data collection unit and an operation data collection unit. The system analyzes the temperature data during motor operation and determines whether the temperature data during battery operation exceeds a set reasonable range. If exceeded, the motor heat dissipation analysis unit and the motor load analysis unit are called to analyze the cause of the motor heating. At this time, the motor heat dissipation analysis result is calculated by the motor heat dissipation analysis unit and the motor load analysis unit, and a high-level warning, a medium-level warning and a low-level warning are output according to the motor heat dissipation analysis result, so as to facilitate management personnel to confirm the cause of the motor failure more quickly.

Description

Technical Field

[0001] The present invention relates to the technical field of motor fault monitoring and early warning, and in particular to a motor fault monitoring and early warning system. Background Art

[0002] A mine is a facility or place used to mine underground minerals. A mine can include various parts of a mine, such as shafts, tunnels, and mineways. It is the infrastructure for mining underground mineral resources. Motors are widely used in various mechanical equipment and systems. They are an important part of modern industry and are widely used in mines.

[0003] However, the dust situation in the mine environment is quite serious, which leads to the diversity of the early warning conditions of motor failures. In addition, the temperature and humidity conditions in the mine environment are poor, which makes it difficult to predict the types of motor failures in mine operations. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the present invention provides a motor fault monitoring and early warning system, which has the advantages of predicting motor faults and solves the above-mentioned technical problems.

[0006] (II) Technical solution

[0007] To achieve the above object, the present invention provides the following technical solutions: a motor fault monitoring and early warning system, comprising a motor data collection module, a motor data analysis module and a motor fault detection and early warning module;

[0008] The motor data collection module includes a motor temperature data collection unit, a motor heat sink data collection unit, a motor load data collection unit and an operation data collection unit, wherein the motor temperature data collection unit is used to collect temperature data during motor operation, the motor heat sink data collection unit is used to collect surface dust accumulation data of the motor heat sink and motor heat sink cleaning interval data, the motor load data collection unit collects load data during actual motor operation, the operation data collection unit is used to collect operation steps of staff and obtain an operation sequence, the motor data collection module sends the collected temperature data during motor operation, surface dust accumulation data of the motor heat sink, motor heat sink cleaning interval data and load data during actual motor operation to the motor data analysis module for calculation and analysis, and the motor data collection module sends the operation sequence to the motor fault detection and early warning module;

[0009] The motor data analysis module includes a motor operating temperature analysis unit, a motor heat dissipation analysis unit and a motor load analysis unit. The motor operating temperature analysis unit is used to analyze the temperature data of the motor during operation, and determine whether the temperature data of the battery during operation exceeds a set reasonable range. If the temperature data exceeds the set reasonable range, the motor heat dissipation analysis unit and the motor load analysis unit are called. If the temperature data does not exceed the set reasonable range, the motor heat dissipation analysis unit analyzes the heat dissipation of the motor based on the surface dust accumulation data of the motor heat sink and the cleaning interval data of the motor heat sink, thereby calculating the motor heat dissipation analysis result. The motor load analysis unit analyzes the load condition of the motor during operation based on the load data of the motor during actual operation, and obtains the motor load analysis result. The motor data analysis module sends the temperature data of the battery during operation, the motor heat dissipation analysis result and the motor load analysis result to the motor fault detection and early warning module;

[0010] The motor fault detection and warning module determines whether to issue a warning prompt based on the motor heat dissipation analysis results and the motor load analysis results. The motor fault detection and warning module compares the operation sequence with the set standard operation sequence to determine whether to issue a warning prompt.

[0011] As a preferred technical solution of the present invention, the temperature data collected by the motor temperature data collection unit during motor operation is expressed as follows:

[0012]

[0013] in, Represents the temperature data set of the motor during operation, Respectively represent the temperature data of the motor at one moment during operation, 、Motor working Temperature data at all times, 、Motor working Temperature data at the moment.

[0014] As a preferred technical solution of the present invention, the motor heat sink data collection unit collects the surface dust accumulation data of the motor heat sink as follows:

[0015]

[0016] in, Respectively represent the dust accumulation data on the surface of the first heat sink of the motor, 、Motor Dust accumulation data on the heat sink surface, 、Motor Dust accumulation data on the heat sink surface, Represents the surface dust accumulation dataset of the motor heat sink;

[0017] The expression for collecting the motor heat sink cleaning interval data by the motor heat sink data collection unit is as follows:

[0018]

[0019] in, Respectively represent the cleaning interval data of the first motor heat sink, , No. Motor heat sink cleaning interval data, , No. Motor heat sink cleaning interval data, Represents the motor heat sink cleaning interval dataset.

[0020] As a preferred technical solution of the present invention, the motor load data collection unit expresses the load data of the motor in actual operation as follows:

[0021]

[0022] in, represents the motor load data set, Indicates the load of the motor in actual operation. Indicates the theoretical load of the motor.

[0023] As a preferred technical solution of the present invention, the specific expression of the motor temperature analysis by the motor operating temperature analysis unit is as follows:

[0024]

[0025] in, Indicates the motor temperature analysis results, Indicates the temperature data of the motor at one moment during operation. 、Motor working Temperature data at all times, 、Motor working The maximum value of the temperature data at the moment, Indicates the motor operating temperature threshold. When the motor temperature analysis result When the motor heat dissipation analysis unit and the motor load analysis unit are called.

[0026] As a preferred technical solution of the present invention, the motor heat dissipation analysis unit analyzes the heat dissipation of the motor, and thus calculates the specific expression of the motor heat dissipation analysis result as follows:

[0027]

[0028] in, Indicates the results of the motor heat dissipation analysis. Indicates the dust level on the surface of the motor heat sink. Indicates the dust set value on the surface of the motor heat sink. Indicates the cleaning interval of the motor heat sink. Indicates the setting value of the motor heat sink cleaning interval.

[0029] As a preferred technical solution of the present invention, the motor heat dissipation analysis unit specifically expresses the dust accumulation degree on the surface of the motor heat sink during the heat dissipation of the motor as follows:

[0030]

[0031] in, Indicates the dust level on the surface of the motor heat sink. Indicates the total number of heat sinks, Indicates the rated area of ​​the heat sink, Indicates the motor Dust accumulation data on the heat sink surface.

[0032] As a preferred technical solution of the present invention, the specific expression of the motor heat dissipation analysis unit for the cleaning interval of the motor heat sink is as follows:

[0033]

[0034] in, Indicates the cleaning interval of the motor heat sink. Indicates the cleaning interval data of the first motor heat sink, , No. Motor heat sink cleaning interval data, , No. The maximum value of the motor heat sink cleaning interval data, Indicates the set cleaning interval.

[0035] As a preferred technical solution of the present invention, the motor load analysis unit analyzes the load condition of the motor when it is working based on the load data of the motor in actual operation, and obtains the specific expression of the motor load analysis result as follows:

[0036]

[0037] in, Indicates the motor load analysis results, Indicates the load of the motor in actual operation. Indicates the theoretical load of the motor.

[0038] As a preferred technical solution of the present invention, the specific steps of the motor fault detection and early warning module to determine whether to issue an early warning prompt in combination with the motor heat dissipation analysis results and the motor load analysis results are as follows:

[0039] S1. Read the motor heat dissipation analysis results ;

[0040] S2, if , a high-level warning is issued. ,and A high-level warning is issued if ,and A medium-level warning is issued if ,and A low-level warning is issued. ,and No warning is issued.

[0041] Compared with the prior art, the present invention provides a motor fault monitoring and early warning system, which has the following beneficial effects:

[0042] The present invention analyzes the temperature data of the motor during operation, and determines whether the temperature data of the battery during operation exceeds a set reasonable range. If exceeded, the motor heat dissipation analysis unit and the motor load analysis unit are called to analyze the cause of the motor's heat generation. At this time, the motor heat dissipation analysis result is calculated by the motor heat dissipation analysis unit and the motor load analysis unit, and a high-level warning, a medium-level warning and a low-level warning are output according to the motor heat dissipation analysis result, so that the management personnel can confirm the cause of the motor failure more quickly. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 Schematic diagram of the system framework of the present invention. DETAILED DESCRIPTION

[0044] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0045] See also Figure 1 , a motor fault monitoring and early warning system, including a motor data collection module, a motor data analysis module and a motor fault detection and early warning module;

[0046] The motor data collection module includes a motor temperature data collection unit, a motor heat sink data collection unit, a motor load data collection unit and an operation data collection unit. The motor temperature data collection unit is used to collect the temperature data of the motor during operation. The motor heat sink data collection unit is used to collect dust accumulation data on the surface of the motor heat sink. And the motor heat sink cleaning interval data The motor load data collection unit collects the load data of the motor in actual operation. The operation data collection unit is used to collect the operation steps of the staff to obtain the operation sequence. The motor data collection module sends the collected temperature data of the motor during operation, the surface dust accumulation data of the motor heat sink, the cleaning interval data of the motor heat sink and the load data of the motor during actual operation to the motor data analysis module for calculation and analysis. The motor data collection module sends the operation sequence to the motor fault detection and early warning module;

[0047] in, Represents the temperature data set of the motor during operation, Respectively represent the temperature data of the motor at one moment during operation, 、Motor working Temperature data at all times, 、Motor working Temperature data at the moment, Respectively represent the dust accumulation data on the surface of the first heat sink of the motor, 、Motor Dust accumulation data on the heat sink surface, 、Motor Dust accumulation data on the heat sink surface, Represents the surface dust accumulation dataset of the motor heat sink, Respectively represent the cleaning interval data of the first motor heat sink, , No. Motor heat sink cleaning interval data, , No. Motor heat sink cleaning interval data, Represents the motor heat sink cleaning interval dataset, represents the motor load data set, Indicates the load of the motor in actual operation. Indicates the theoretical load of the motor;

[0048] The motor data analysis module includes a motor operating temperature analysis unit, a motor heat dissipation analysis unit and a motor load analysis unit. The motor operating temperature analysis unit is used to analyze the temperature data of the motor during operation and determine whether the temperature data of the battery during operation exceeds a set reasonable range. If the temperature exceeds the set reasonable range, the motor heat dissipation analysis unit and the motor load analysis unit are called. If the temperature does not exceed the set reasonable range, the motor heat dissipation analysis unit analyzes the heat dissipation of the motor based on the surface dust accumulation data of the motor heat sink and the cleaning interval data of the motor heat sink, thereby calculating the motor heat dissipation analysis result. The motor load analysis unit analyzes the load condition of the motor during operation based on the load data of the motor during actual operation, and obtains the motor load analysis result. The motor data analysis module sends the temperature data of the battery during operation, the motor heat dissipation analysis result and the motor load analysis result to the motor fault detection and early warning module.

[0049] The specific expression of the motor operating temperature analysis unit for motor temperature analysis is as follows:

[0050]

[0051] in, Indicates the motor temperature analysis results, Indicates the temperature data of the motor at one moment during operation. 、Motor working Temperature data at all times, 、Motor working The maximum value of the temperature data at the moment, Indicates the motor operating temperature threshold. When the motor temperature analysis result When the motor heat dissipation analysis unit and the motor load analysis unit are called, the motor temperature is analyzed and calculated to obtain the motor operating temperature. When the motor temperature is too high, it indicates that there may be hidden dangers, and the motor heat dissipation analysis unit and the motor load analysis unit are called to analyze the reasons why the motor operating temperature is too high.

[0052] The motor heat dissipation analysis unit analyzes the heat dissipation of the motor, and the specific expression of the motor heat dissipation analysis result is calculated as follows:

[0053]

[0054] in, Indicates the results of the motor heat dissipation analysis. Indicates the dust level on the surface of the motor heat sink. Indicates the dust set value on the surface of the motor heat sink. Indicates the cleaning interval of the motor heat sink. Indicates the setting value of the motor heat sink cleaning interval.

[0055] The specific expression of the dust accumulation degree on the surface of the motor heat sink during the heat dissipation of the motor by the motor heat dissipation analysis unit is as follows:

[0056]

[0057] in, Indicates the dust level on the surface of the motor heat sink. Indicates the total number of heat sinks, Indicates the rated area of ​​the heat sink, Indicates the motor Dust accumulation data on the heat sink surface.

[0058] The specific expression of the motor heat dissipation analysis unit for the cleaning interval of the motor heat sink is as follows:

[0059]

[0060] in, Indicates the cleaning interval of the motor heat sink. Indicates the cleaning interval data of the first motor heat sink, , No. Motor heat sink cleaning interval data, , No. The maximum value of the motor heat sink cleaning interval data, Indicates the set cleaning interval.

[0061] The motor load analysis unit analyzes the load condition of the motor when it is working based on the load data of the motor in actual operation, and obtains the specific expression of the motor load analysis result as follows:

[0062]

[0063] in, Indicates the motor load analysis results, Indicates the load of the motor in actual operation. Indicates the theoretical load of the motor.

[0064] The motor fault detection and early warning module determines whether to issue an early warning prompt based on the motor heat dissipation analysis results and the motor load analysis results. The specific steps of the motor fault detection and early warning module determining whether to issue an early warning prompt based on the motor heat dissipation analysis results and the motor load analysis results are as follows:

[0065] S1. Read the motor heat dissipation analysis results ;

[0066] S2, if , a high-level warning is issued, judging that the motor heat sink is contaminated and the heat sink is not clean, resulting in poor heat dissipation. ,and A high-level warning is issued, judging that the motor heat sink is contaminated and the motor is operating at high load. ,and A medium-level warning is issued, judging that the motor heat sink is contaminated. If the motor is operating normally, ,and A low-level warning is issued, and high-load operation is performed. ,and No warning is issued;

[0067] The motor fault detection and early warning module compares the operation sequence with the set standard operation sequence to determine whether to issue an early warning. For this warning, the machine code of the staff's operation instructions can be converted into binary code and the binary code converted from the standard operation instructions can be subtracted bit by bit. As long as the calculation result of any operation instruction is not 0, the improper operation signal will be sent to the management personnel for early warning.

[0068] Embodiment 1:

[0069] For the temperature data recorded in this application, the temperature data of the motor during operation is collected

[0070] , , ,at this time , sky sky, , indicating the possible hidden dangers caused by the motor's overtemperature, and calling the motor heat dissipation analysis unit and the motor load analysis unit to analyze the reasons for the motor's overtemperature. The specific data are as follows:

[0071]

[0072]

[0073] at this time

[0074] ,

[0075] ， at this time

[0076] ,at this time , a high-level warning is issued without calculating the motor load analysis results. It is judged that the motor heat sink is contaminated and the heat sink is not clean, resulting in poor heat dissipation.

[0077] Embodiment 2:

[0078] Collect the temperature data of the motor during operation described in this application

[0079] , ,at this time ,

[0080] , it means that the temperature does not exceed the set value at this time, and there is no need to call the motor heat dissipation analysis unit and the motor load analysis unit.

[0081] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A motor fault monitoring and early warning system, characterized in that: It includes a motor data collection module, a motor data analysis module and a motor fault detection and early warning module; The motor data collection module includes a motor temperature data collection unit, a motor heat sink data collection unit, a motor load data collection unit and an operation data collection unit, wherein the motor temperature data collection unit is used to collect temperature data during motor operation, the motor heat sink data collection unit is used to collect surface dust accumulation data of the motor heat sink and motor heat sink cleaning interval data, the motor load data collection unit collects load data during actual motor operation, the operation data collection unit is used to collect operation steps of staff and obtain an operation sequence, the motor data collection module sends the collected temperature data during motor operation, surface dust accumulation data of the motor heat sink, motor heat sink cleaning interval data and load data during actual motor operation to the motor data analysis module for calculation and analysis, and the motor data collection module sends the operation sequence to the motor fault detection and early warning module; The motor data analysis module includes a motor operating temperature analysis unit, a motor heat dissipation analysis unit and a motor load analysis unit. The motor operating temperature analysis unit is used to analyze the temperature data of the motor during operation, and determine whether the temperature data of the battery during operation exceeds a set reasonable range. If the temperature data exceeds the set reasonable range, the motor heat dissipation analysis unit and the motor load analysis unit are called. If the temperature data does not exceed the set reasonable range, the motor heat dissipation analysis unit analyzes the heat dissipation of the motor based on the surface dust accumulation data of the motor heat sink and the cleaning interval data of the motor heat sink, thereby calculating the motor heat dissipation analysis result. The motor load analysis unit analyzes the load condition of the motor during operation based on the load data of the motor during actual operation, and obtains the motor load analysis result. The motor data analysis module sends the temperature data of the battery during operation, the motor heat dissipation analysis result and the motor load analysis result to the motor fault detection and early warning module; The motor heat dissipation analysis unit analyzes the heat dissipation of the motor, and thus calculates the specific expression of the motor heat dissipation analysis result as follows: in, Indicates the results of the motor heat dissipation analysis. Indicates the dust level on the surface of the motor heat sink. Indicates the dust set value on the surface of the motor heat sink. Indicates the cleaning interval of the motor heat sink. Indicates the setting value of the motor heat sink cleaning interval; The specific expression of the dust accumulation degree on the surface of the motor heat sink during the heat dissipation of the motor by the motor heat dissipation analysis unit is as follows: in, Indicates the dust level on the surface of the motor heat sink. Indicates the total number of heat sinks, Indicates the rated area of ​​the heat sink, Indicates the motor Dust accumulation data on the heat sink surface; The specific expression of the motor heat dissipation analysis unit for the cleaning interval of the motor heat sink is as follows: in, Indicates the cleaning interval of the motor heat sink. Indicates the cleaning interval data of the first motor heat sink, , No. Motor heat sink cleaning interval data, , No. The maximum value among the motor heat sink cleaning interval data, Indicates the set cleaning interval; The motor load analysis unit analyzes the load condition of the motor when it is working based on the load data of the motor in actual operation, and obtains the specific expression of the motor load analysis result as follows: in, Indicates the motor load analysis results, Indicates the load of the motor in actual operation. Indicates the theoretical load of the motor; The motor fault detection and warning module determines whether to issue a warning prompt based on the motor heat dissipation analysis results and the motor load analysis results. The motor fault detection and warning module compares the operation sequence with the set standard operation sequence to determine whether to issue a warning prompt.

2. A motor fault monitoring and early warning system according to claim 1, characterized in that: The temperature data collected by the motor temperature data collection unit during motor operation is expressed as follows: in, Represents the temperature data set of the motor during operation, Respectively represent the temperature data of the motor at one moment during operation, 、Motor working Temperature data at all times, 、Motor working Temperature data at the moment.

3. A motor fault monitoring and early warning system according to claim 1, characterized in that: The expression for collecting the surface dust accumulation data of the motor heat sink by the motor heat sink data collection unit is as follows: in, Respectively represent the dust accumulation data on the surface of the first heat sink of the motor, 、Motor Dust accumulation data on the heat sink surface, 、Motor Dust accumulation data on the heat sink surface, Represents the surface dust accumulation dataset of the motor heat sink; The expression for collecting the motor heat sink cleaning interval data by the motor heat sink data collection unit is as follows: in, Respectively represent the cleaning interval data of the first motor heat sink, , No. Motor heat sink cleaning interval data, , No. Motor heat sink cleaning interval data, Represents the motor heat sink cleaning interval dataset.

4. A motor fault monitoring and early warning system according to claim 1, characterized in that: The motor load data collection unit expresses the load data of the motor in actual operation as follows: in, represents the motor load data set, Indicates the load of the motor in actual operation. Indicates the theoretical load of the motor.

5. A motor fault monitoring and early warning system according to claim 2, characterized in that: The specific expression of the motor temperature analysis by the motor operating temperature analysis unit is as follows: in, Indicates the motor temperature analysis results, Indicates the temperature data of the motor at one moment during operation. 、Motor working Temperature data at all times, 、Motor working The maximum value of the temperature data at the moment, Indicates the motor operating temperature threshold. When the motor temperature analysis result When the motor heat dissipation analysis unit and the motor load analysis unit are called.

6. A motor fault monitoring and early warning system according to claim 1, characterized in that: The specific steps of the motor fault detection and early warning module to determine whether to issue an early warning prompt in combination with the motor heat dissipation analysis results and the motor load analysis results are as follows: S1. Read the motor heat dissipation analysis results ; S2, if , a high-level warning is issued. ,and A high-level warning is issued if ,and A medium-level warning is issued if ,and A low-level warning is issued. ,and No warning is issued. Indicates the motor load analysis results.

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