CN118914701A - Fault diagnosis system of electromagnetic brake - Google Patents

Abstract

The present invention discloses a fault diagnosis system for an electromagnetic brake, and specifically relates to the technical field of electromagnetic brake fault diagnosis, including an electromagnetic brake operation cycle division module, an electromagnetic brake fault data acquisition module, an electromagnetic brake vibration data processing module, an electromagnetic brake coil data processing module, an electromagnetic brake magnetic force data processing module, an electromagnetic brake fault diagnosis analysis module, and an electromagnetic brake fault diagnosis evaluation module. The present invention collects key operation parameter information of each monitoring sub-area of the electromagnetic brake operation cycle through a sensor, calculates the electromagnetic brake vibration anomaly monitoring index, the electromagnetic brake coil risk monitoring index and the electromagnetic brake operation stability index, and further analyzes the operation fault warning coefficient of the i+1th monitoring sub-area, which is conducive to realizing an automated fault diagnosis process. At the same time, it can predict possible faults based on historical data and the current operation status, provide scientific decision-making suggestions for management personnel, and realize intelligent fault diagnosis.

Description

A fault diagnosis system for electromagnetic brake

Technical Field

The present invention relates to the technical field of electromagnetic brake fault diagnosis, and more specifically, to an electromagnetic brake fault diagnosis system.

Background Art

An electromagnetic gate is a valve that uses electromagnetic force to control the opening and closing of a gate. It is mainly composed of an electromagnet, a valve body, a gate and other parts. The electromagnet is the control part, which controls the opening and closing of the valve by switching on and off the current; the valve body and the gate are the executive parts, which are responsible for the cutoff and conduction of the fluid.

As a key component of industrial automation, electromagnetic brake fault diagnosis technology is crucial. It can quickly locate and solve faults, improve production efficiency, timely discover and eliminate safety hazards, ensure production safety, reduce sudden failures through preventive maintenance, and reduce maintenance costs, which is of great significance to the stable and efficient operation of industrial production.

However, there are still some shortcomings in its actual use. For example, the existing electromagnetic brake fault detection method is limited by the detection principle or detection environment. There are various interference sources in the electromagnetic environment, which makes it difficult to accurately capture the fault characteristics and has the problem of insufficient detection accuracy.

The existing electromagnetic brake fault detection technology mainly relies on manual detection. This method is not only inefficient, but also limited by human factors. It is difficult to give full play to the intelligence of the equipment diagnosis method. The fault types of electromagnetic brakes are diverse, and it is necessary to establish an intelligent fault diagnosis process to integrate data from different sensors.

Summary of the invention

In order to overcome the above-mentioned defects of the prior art, an embodiment of the present invention provides a fault diagnosis system for an electromagnetic brake, which is used to solve the problems raised in the above-mentioned background technology.

To achieve the above object, the present invention provides the following technical solution: a fault diagnosis system for an electromagnetic brake, comprising:

Electromagnetic gate operation cycle division module: used to obtain the electromagnetic gate operation cycle within a preset time period, divide the electromagnetic gate operation cycle within the preset time period into various monitoring sub-areas according to an equal time division method, and number each monitoring sub-area of the electromagnetic gate operation cycle.

Electromagnetic brake fault data acquisition module: used to collect key operating parameter information of each monitoring sub-area of the electromagnetic brake operation cycle through sensors. The electromagnetic brake fault data acquisition module includes an electromagnetic brake vibration data acquisition unit, an electromagnetic brake coil data acquisition unit and an electromagnetic brake magnetic force stability data acquisition unit. The key operating parameter information includes electromagnetic brake vibration data, electromagnetic brake coil data and electromagnetic brake magnetic force stability data.

Electromagnetic brake vibration data processing module: used to receive the key operating parameter information transmitted by the electromagnetic brake fault data acquisition module, and calculate the electromagnetic brake vibration abnormality monitoring index of each monitoring sub-area in the electromagnetic brake operation cycle according to the electromagnetic brake vibration data acquisition unit.

Electromagnetic brake coil data processing module: used to receive the key operating parameter information transmitted by the electromagnetic brake fault data acquisition module, and calculate the electromagnetic brake coil risk monitoring index of each monitoring sub-area of the electromagnetic brake operation cycle according to the electromagnetic brake coil data acquisition unit.

Electromagnetic brake magnetic data processing module: used to receive the key operating parameter information transmitted by the electromagnetic brake fault data acquisition module, and calculate the electromagnetic brake operation stability index of each monitoring sub-area of the electromagnetic brake operation cycle according to the electromagnetic brake magnetic stability data acquisition unit.

Electromagnetic brake fault diagnosis and analysis module: used to obtain the electromagnetic brake vibration abnormality monitoring index, electromagnetic brake coil risk monitoring index and electromagnetic brake operation stability index of each monitoring sub-area in the electromagnetic brake operation cycle, and analyze to obtain the operation fault warning coefficient of the i+1th monitoring sub-area in the electromagnetic brake operation cycle.

Electromagnetic brake fault diagnosis and evaluation module: used to obtain the operation fault warning coefficient of the i+1th monitoring sub-area in the operation cycle of the electromagnetic brake, compare it with the preset operation fault warning coefficient, and process it.

Preferably, the specific division method of the electromagnetic brake operation cycle division module is:

The operation cycle of the electromagnetic brake within the preset time period is obtained, and is divided into monitoring sub-areas by equal time division, and each monitoring sub-area of the electromagnetic brake operation cycle is numbered 1, 2, ...i, ...n in sequence.

Preferably, the electromagnetic brake fault data acquisition module is specifically:

Electromagnetic brake vibration data acquisition unit: collects the vibration frequency, amplitude and vibration speed of each monitoring sub-area during the operation cycle of the electromagnetic brake through sensors, which are marked as dp _i , df _i , dv _i , respectively, where i=1, 2...n, i represents the number of the i-th monitoring sub-area;

Electromagnetic brake coil data acquisition unit: collects the number of coil turns, coil temperature, and ambient temperature of each monitoring sub-area during the operation cycle of the electromagnetic brake through sensors, which are marked as xZ _i , xt _i , and xh _i respectively;

Electromagnetic brake magnetic force stability data acquisition unit: collects the magnetic force output intensity and input current of each monitoring sub-area during the operation cycle of the electromagnetic brake through sensors, which are marked as cq _i and cl _i respectively.

Preferably, the electromagnetic brake vibration data processing module is specifically:

Step S01: Extract the vibration frequency of each monitoring sub-area during the operation cycle of the electromagnetic brake, according to the formula: The vibration frequency deviation degree is obtained, where TP _i represents the vibration frequency deviation degree of the i-th monitoring sub-area, dp _i represents the vibration frequency of the i-th monitoring sub-area, DP ₀ represents the preset vibration frequency, ΔP represents the vibration frequency allowable difference, and n represents the number of monitoring sub-areas;

Step S02: extract the amplitude of each monitoring sub-area during the electromagnetic brake operation cycle, according to the formula: The amplitude deviation degree is obtained, where TF _i represents the amplitude deviation degree of the i-th monitoring sub-area, DF ₀ represents the preset amplitude, df _i represents the amplitude of the i-th monitoring sub-area, and ΔF represents the amplitude allowable difference;

Step S03: Extract the vibration speed of each monitoring sub-area during the electromagnetic brake operation cycle, using the formula: The vibration velocity deviation degree is obtained, where TV _i represents the vibration velocity deviation degree of the i-th monitoring sub-area, DV ₀ represents the preset vibration velocity, dv _i represents the vibration velocity of the i-th monitoring sub-area, and ΔV represents the allowable difference in vibration velocity;

Step S04: The calculation formula of the electromagnetic brake vibration abnormality monitoring index is:

Wherein, α _i represents the electromagnetic brake vibration anomaly monitoring index of the ith monitoring sub-area, TP _i represents the vibration frequency deviation degree of the ith monitoring sub-area, TP _i-1 represents the vibration frequency deviation degree of the i-1th monitoring sub-area, TF _i represents the amplitude deviation degree of the ith monitoring sub-area, TF _i-1 represents the amplitude deviation degree of the i-1th monitoring sub-area, TV _i represents the vibration velocity deviation degree of the ith monitoring sub-area, TV _i-1 represents the vibration velocity deviation degree of the i-1th monitoring sub-area, SP represents the standard deviation of the vibration frequency deviation degree, e represents the natural constant, μ ₁ and μ ₂ represent the compensation factors of the amplitude deviation degree and the vibration velocity deviation degree, respectively.

Preferably, the electromagnetic brake coil data processing module is specifically:

Step S01: extract the coil temperature and ambient temperature of each monitoring sub-area during the electromagnetic brake operation cycle, according to the formula: The temperature risk diagnosis degree is obtained, where MT _i represents the temperature risk diagnosis degree of the i-th monitoring sub-area, xt _i represents the coil temperature of the i-th monitoring sub-area, xh _i represents the ambient temperature of the i-th monitoring sub-area, and e represents a natural constant;

Step S02: The calculation formula of the electromagnetic brake coil risk monitoring index is:

Where _βi represents the electromagnetic brake coil risk monitoring index of the i-th monitoring sub-area, _MTi represents the temperature risk diagnosis degree of the i-th monitoring sub-area, _xzi represents the number of coil turns in the i-th monitoring sub-area, and π represents a natural constant.

Preferably, the electromagnetic brake magnetic force data processing module is specifically:

Step S01: obtaining the rated input current of the electromagnetic brake device, marked as el _i ;

Step S02: The calculation formula of the electromagnetic brake operation stability index is:

Wherein, γ _i represents the electromagnetic brake operation stability index of the i-th monitoring sub-area, el _i represents the rated input current of the i-th monitoring sub-area, cl _i represents the input current of the i-th monitoring sub-area, cq _i represents the magnetic output intensity of the i-th monitoring sub-area, and CL ₀ represents the preset magnetic output intensity.

Preferably, the calculation formula of the operation fault warning coefficient is:

Among them, θ _i+1 represents the operation fault warning coefficient of the i+1th monitoring sub-area, α _i represents the electromagnetic brake vibration abnormality monitoring index of the i-th monitoring sub-area, α _i-1 represents the electromagnetic brake vibration abnormality monitoring index of the i-1th monitoring sub-area, Δα represents the mean of the electromagnetic brake vibration abnormality monitoring index, β _i represents the electromagnetic brake coil risk monitoring index of the i-th monitoring sub-area, β _i-1 represents the electromagnetic brake coil risk monitoring index of the i-1th monitoring sub-area, Δβ represents the mean of the electromagnetic brake coil risk monitoring index, γ _i represents the electromagnetic brake operation stability index of the i-th monitoring sub-area, γ _i-1 represents the electromagnetic brake operation stability index of the i-1th monitoring sub-area, and Δγ represents the mean of the electromagnetic brake operation stability index.

Preferably, the specific evaluation method of the electromagnetic brake fault diagnosis and evaluation module is:

Obtain the operation fault warning coefficient of the i+1th monitoring sub-area of the electromagnetic brake operation cycle, and compare it with the preset operation fault warning coefficient. If the operation fault warning coefficient of the i+1th monitoring sub-area of the electromagnetic brake is greater than the preset operation fault warning coefficient, it indicates that there is a potential fault in the operation of the electromagnetic brake, and an alarm should be issued in time to notify relevant personnel. Otherwise, it indicates that there is no abnormality in the operation of the electromagnetic brake.

Technical effects and advantages of the present invention:

1. The present invention provides a fault diagnosis system for an electromagnetic brake, which collects key operating parameter information of each monitoring sub-area during the operation cycle of the electromagnetic brake through sensors, calculates the electromagnetic brake vibration abnormality monitoring index of each monitoring sub-area during the operation cycle of the electromagnetic brake according to the electromagnetic brake vibration data acquisition unit, calculates the electromagnetic brake coil risk monitoring index of each monitoring sub-area during the operation cycle of the electromagnetic brake according to the electromagnetic brake coil data acquisition unit, and calculates the electromagnetic brake operation stability index of each monitoring sub-area during the operation cycle of the electromagnetic brake according to the electromagnetic brake magnetic force stability data acquisition unit, thereby realizing the use of high-precision and high-stability sensors to monitor various parameters of the electromagnetic brake, deeply processing and analyzing the collected data, and automatically evaluating the fault degree of the electromagnetic brake, which can reduce manual intervention, improve diagnostic efficiency, and improve the comprehensiveness and accuracy of fault detection;

2. The present invention provides a fault diagnosis system for an electromagnetic brake, which utilizes an electromagnetic brake fault diagnosis analysis module, combined with the historical electromagnetic brake vibration abnormality monitoring index, the historical electromagnetic brake coil risk monitoring index and the historical electromagnetic brake operation stability index of each monitoring sub-area in the electromagnetic brake operation cycle, to analyze and obtain the operation fault warning coefficient of the i+1th monitoring sub-area in the electromagnetic brake operation cycle, and compare it with the preset operation fault warning coefficient. If the operation fault warning coefficient of the i+1th monitoring sub-area of the electromagnetic brake is greater than the preset operation fault warning coefficient, it indicates that there is a potential fault in the operation of the electromagnetic brake, and an alarm should be issued in time to notify relevant personnel. Otherwise, it indicates that there is no abnormal phenomenon in the operation of the electromagnetic brake, which is conducive to realizing an automated fault diagnosis process. Through preset diagnostic rules and algorithms, the fault of the electromagnetic brake can be quickly and accurately diagnosed. At the same time, it can predict the occurrence of possible faults based on historical data and the current operating status, provide scientific decision-making suggestions for management personnel, and realize intelligent fault diagnosis.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic diagram of the system module flow connection of the present invention.

FIG. 2 is a schematic diagram of the structure of the electromagnetic brake fault data acquisition module of the present invention.

DETAILED DESCRIPTION

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.

Please refer to Figure 1, the present invention provides an electromagnetic brake fault diagnosis system, including an electromagnetic brake operation cycle division module, an electromagnetic brake fault data acquisition module, an electromagnetic brake vibration data processing module, an electromagnetic brake coil data processing module, an electromagnetic brake magnetic force data processing module, an electromagnetic brake fault diagnosis analysis module, and an electromagnetic brake fault diagnosis evaluation module.

The electromagnetic brake operation cycle division module is connected to the electromagnetic brake fault data acquisition module, the electromagnetic brake fault data acquisition module is connected to the electromagnetic brake vibration data processing module, the electromagnetic brake coil data processing module and the electromagnetic brake magnetic force data processing module, the electromagnetic brake vibration data processing module, the electromagnetic brake coil data processing module and the electromagnetic brake magnetic force data processing module are connected to the electromagnetic brake fault diagnosis and analysis module, and the electromagnetic brake fault diagnosis and analysis module is connected to the electromagnetic brake fault diagnosis and evaluation module.

The electromagnetic brake operation cycle division module is used to obtain the electromagnetic brake operation cycle within a preset time period, divide the electromagnetic brake operation cycle within the preset time period into each monitoring sub-area according to an equal time division method, and number each monitoring sub-area of the electromagnetic brake operation cycle.

In a possible design, the specific division method of the electromagnetic brake operation cycle division module is:

The operation cycle of the electromagnetic gate within the preset time period is obtained, and the equal time division strategy is adopted to divide it into various monitoring sub-areas, and the monitoring sub-areas of the electromagnetic gate operation cycle are numbered 1, 2, ...i, ...n in sequence.

Please refer to Figure 2, the electromagnetic brake fault data acquisition module is used to collect key operating parameter information of each monitoring sub-area of the electromagnetic brake operation cycle through sensors, and the electromagnetic brake fault data acquisition module includes an electromagnetic brake vibration data acquisition unit, an electromagnetic brake coil data acquisition unit and an electromagnetic brake magnetic force stability data acquisition unit. The key operating parameter information includes electromagnetic brake vibration data, electromagnetic brake coil data and electromagnetic brake magnetic force stability data.

In a possible design, the electromagnetic brake fault data acquisition module is specifically:

Electromagnetic brake vibration data acquisition unit: collects the vibration frequency, amplitude and vibration speed of each monitoring sub-area during the operation cycle of the electromagnetic brake through sensors, which are marked as dp _i , df _i , dv _i , respectively, where i=1, 2...n, i represents the number of the i-th monitoring sub-area;

Electromagnetic brake coil data acquisition unit: collects the number of coil turns, coil temperature, and ambient temperature of each monitoring sub-area during the operation cycle of the electromagnetic brake through sensors, which are marked as xz _i , xt _i , and xh _i respectively;

Electromagnetic brake magnetic force stability data acquisition unit: collects the magnetic force output intensity and input current of each monitoring sub-area during the operation cycle of the electromagnetic brake through sensors, which are marked as cq _i and cl _i respectively.

In this embodiment, it should be specifically explained that the sensor in the electromagnetic brake vibration data acquisition unit is a vibration sensor, the sensor in the electromagnetic brake coil data acquisition unit is a temperature sensor, and the sensor in the electromagnetic brake magnetic force stability data acquisition unit is a current sensor and a magnetometer.

The electromagnetic brake vibration data processing module is used to receive the key operating parameter information transmitted by the electromagnetic brake fault data acquisition module, and calculate the electromagnetic brake vibration abnormality monitoring index of each monitoring sub-area of the electromagnetic brake operation cycle according to the electromagnetic brake vibration data acquisition unit.

In a possible design, the electromagnetic brake vibration data processing module is specifically:

Step S01: Extract the vibration frequency of each monitoring sub-area during the operation cycle of the electromagnetic brake, according to the formula: The vibration frequency deviation degree is obtained, where TP _i represents the vibration frequency deviation degree of the i-th monitoring sub-area, dp _i represents the vibration frequency of the i-th monitoring sub-area, DP ₀ represents the preset vibration frequency, ΔP represents the vibration frequency allowable difference, and n represents the number of monitoring sub-areas;

Step S02: extract the amplitude of each monitoring sub-area during the electromagnetic brake operation cycle, according to the formula: The amplitude deviation degree is obtained, where TF _i represents the amplitude deviation degree of the i-th monitoring sub-area, DF ₀ represents the preset amplitude, df _i represents the amplitude of the i-th monitoring sub-area, and ΔF represents the amplitude allowable difference;

Step S03: Extract the vibration speed of each monitoring sub-area during the electromagnetic brake operation cycle, using the formula: The vibration velocity deviation degree is obtained, where TV _i represents the vibration velocity deviation degree of the i-th monitoring sub-area, DV ₀ represents the preset vibration velocity, dv _i represents the vibration velocity of the i-th monitoring sub-area, and ΔV represents the allowable difference in vibration velocity;

Step S04: The calculation formula of the electromagnetic brake vibration abnormality monitoring index is:

Wherein, α _i represents the electromagnetic brake vibration anomaly monitoring index of the ith monitoring sub-area, TP _i represents the vibration frequency deviation degree of the ith monitoring sub-area, TP _i-1 represents the vibration frequency deviation degree of the i-1th monitoring sub-area, TF _i represents the amplitude deviation degree of the ith monitoring sub-area, TF _i-1 represents the amplitude deviation degree of the i-1th monitoring sub-area, TV _i represents the vibration velocity deviation degree of the ith monitoring sub-area, TV _i-1 represents the vibration velocity deviation degree of the i-1th monitoring sub-area, SP represents the standard deviation of the vibration frequency deviation degree, e represents the natural constant, μ ₁ and μ ₂ represent the compensation factors of the amplitude deviation degree and the vibration velocity deviation degree, respectively.

In this embodiment, it should be specifically explained that the calculation formula of the standard deviation of the vibration frequency deviation degree is:

Where SP represents the standard deviation of the vibration frequency deviation, TP _i represents the vibration frequency deviation of the i-th monitoring sub-area, and ΔTP represents the mean value of the vibration frequency deviation. The formula is:

The electromagnetic brake coil data processing module is used to receive the key operating parameter information transmitted by the electromagnetic brake fault data acquisition module, and calculate the electromagnetic brake coil risk monitoring index of each monitoring sub-area of the electromagnetic brake operation cycle according to the electromagnetic brake coil data acquisition unit.

In a possible design, the electromagnetic brake coil data processing module is specifically:

Step S01: extract the coil temperature and ambient temperature of each monitoring sub-area during the electromagnetic brake operation cycle, according to the formula: The temperature risk diagnosis degree is obtained, where MT _i represents the temperature risk diagnosis degree of the i-th monitoring sub-area, xt _i represents the coil temperature of the i-th monitoring sub-area, xh _i represents the ambient temperature of the i-th monitoring sub-area, and e represents a natural constant;

Step S02: The calculation formula of the electromagnetic brake coil risk monitoring index is:

Where _βi represents the electromagnetic brake coil risk monitoring index of the i-th monitoring sub-area, _MTi represents the temperature risk diagnosis degree of the i-th monitoring sub-area, _xzi represents the number of coil turns in the i-th monitoring sub-area, and π represents a natural constant.

The electromagnetic brake magnetic force data processing module is used to receive the key operating parameter information transmitted by the electromagnetic brake fault data acquisition module, and calculate the electromagnetic brake operation stability index of each monitoring sub-area of the electromagnetic brake operation cycle according to the electromagnetic brake magnetic force stability data acquisition unit.

In a possible design, the electromagnetic brake magnetic force data processing module is specifically:

Step S01: obtaining the rated input current of the electromagnetic brake device, marked as el _i ;

Step S02: The calculation formula of the electromagnetic brake operation stability index is:

Wherein, γ _i represents the electromagnetic brake operation stability index of the i-th monitoring sub-area, el _i represents the rated input current of the i-th monitoring sub-area, cl _i represents the input current of the i-th monitoring sub-area, cq _i represents the magnetic output intensity of the i-th monitoring sub-area, and CL ₀ represents the preset magnetic output intensity.

The electromagnetic brake fault diagnosis and analysis module is used to obtain the electromagnetic brake vibration abnormality monitoring index, the electromagnetic brake coil risk monitoring index and the electromagnetic brake operation stability index of each monitoring sub-area in the electromagnetic brake operation cycle, and analyze to obtain the operation fault warning coefficient of the i+1th monitoring sub-area in the electromagnetic brake operation cycle.

In a possible design, the calculation formula of the operation fault warning coefficient is:

Among them, θ _i+1 represents the operation fault warning coefficient of the i+1th monitoring sub-area, α _i represents the electromagnetic brake vibration abnormality monitoring index of the i-th monitoring sub-area, α _i-1 represents the electromagnetic brake vibration abnormality monitoring index of the i-1th monitoring sub-area, Δα represents the mean of the electromagnetic brake vibration abnormality monitoring index, β _i represents the electromagnetic brake coil risk monitoring index of the i-th monitoring sub-area, β _i-1 represents the electromagnetic brake coil risk monitoring index of the i-1th monitoring sub-area, Δβ represents the mean of the electromagnetic brake coil risk monitoring index, γ _i represents the electromagnetic brake operation stability index of the i-th monitoring sub-area, γ _i-1 represents the electromagnetic brake operation stability index of the i-1th monitoring sub-area, and Δγ represents the mean of the electromagnetic brake operation stability index.

The electromagnetic brake fault diagnosis and evaluation module is used to obtain the operation fault warning coefficient of the i+1th monitoring sub-area of the electromagnetic brake operation cycle, compare it with the preset operation fault warning coefficient, and process it.

In a possible design, the specific evaluation method of the electromagnetic brake fault diagnosis and evaluation module is:

Obtain the operation fault warning coefficient of the i+1th monitoring sub-area of the electromagnetic brake operation cycle, and compare it with the preset operation fault warning coefficient. If the operation fault warning coefficient of the i+1th monitoring sub-area of the electromagnetic brake is greater than the preset operation fault warning coefficient, it indicates that there is a potential fault in the operation of the electromagnetic brake, and an alarm should be issued in time to notify relevant personnel. Otherwise, it indicates that there is no abnormality in the operation of the electromagnetic brake.

In the present embodiment, it is necessary to specifically explain that the present invention collects the key operating parameter information of each monitoring sub-area during the operation cycle of the electromagnetic gate through sensors, calculates the electromagnetic gate vibration abnormality monitoring index of each monitoring sub-area during the operation cycle of the electromagnetic gate according to the electromagnetic gate vibration data acquisition unit, calculates the electromagnetic gate coil risk monitoring index of each monitoring sub-area during the operation cycle of the electromagnetic gate according to the electromagnetic gate coil data acquisition unit, and calculates the electromagnetic gate operation stability index of each monitoring sub-area during the operation cycle of the electromagnetic gate according to the electromagnetic gate magnetic stability data acquisition unit, thereby realizing the use of high-precision and high-stability sensors to monitor various parameters of the electromagnetic gate, deeply processing and analyzing the collected data, and automatically evaluating the fault degree of the electromagnetic gate, which can reduce manual intervention, improve diagnostic efficiency, and improve the comprehensiveness and accuracy of fault detection.

In the present embodiment, it should be specifically explained that the present invention utilizes the electromagnetic brake fault diagnosis and analysis module, combines the historical electromagnetic brake vibration abnormality monitoring index of each monitoring sub-area in the electromagnetic brake operation cycle, the historical electromagnetic brake coil risk monitoring index and the historical electromagnetic brake operation stability index, analyzes and obtains the operation fault warning coefficient of the i+1th monitoring sub-area in the electromagnetic brake operation cycle, and compares it with the preset operation fault warning coefficient. If the operation fault warning coefficient of the i+1th monitoring sub-area of the electromagnetic brake is greater than the preset operation fault warning coefficient, it indicates that there is a potential fault in the operation of the electromagnetic brake, and an alarm should be issued in time to notify relevant personnel. Otherwise, it indicates that there is no abnormal phenomenon in the operation of the electromagnetic brake, which is conducive to realizing an automated fault diagnosis process. Through the preset diagnostic rules and algorithms, the fault of the electromagnetic brake can be quickly and accurately diagnosed. At the same time, it can predict the occurrence of possible faults based on historical data and the current operating status, provide scientific decision-making suggestions for management personnel, and realize intelligent fault diagnosis.

Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A fault diagnosis system of an electromagnetic brake, comprising:

The electromagnetic gate operation period dividing module: the method comprises the steps of acquiring an electromagnetic brake operation period in a preset time period, dividing the electromagnetic brake operation period in the preset time period into monitoring subareas according to an equal-time dividing mode, and numbering the monitoring subareas of the electromagnetic brake operation period;

The electromagnetic gate fault data acquisition module: the electromagnetic brake fault data acquisition module comprises an electromagnetic brake vibration data acquisition unit, an electromagnetic brake coil data acquisition unit and an electromagnetic brake magnetic force stabilization data acquisition unit, and the operation key parameter information comprises electromagnetic brake vibration data, electromagnetic brake coil data and electromagnetic brake magnetic force stabilization data;

The electromagnetic gate vibration data processing module: the electromagnetic brake vibration monitoring system comprises an electromagnetic brake fault data acquisition module, an electromagnetic brake vibration monitoring module and an electromagnetic brake vibration monitoring module, wherein the electromagnetic brake fault data acquisition module is used for acquiring operation key parameter information transmitted by the electromagnetic brake fault data acquisition module;

electromagnetic gate coil data processing module: the electromagnetic brake fault data acquisition module is used for receiving the operation key parameter information transmitted by the electromagnetic brake fault data acquisition module, and calculating to obtain an electromagnetic brake coil risk monitoring index of each monitoring subarea of the electromagnetic brake operation period according to the electromagnetic brake coil data acquisition unit;

electromagnetic gate magnetic force data processing module: the electromagnetic brake operation stability index of each monitoring subarea of the electromagnetic brake operation period is calculated according to the electromagnetic brake magnetic force stability data acquisition unit;

The electromagnetic gate fault diagnosis and analysis module: the method comprises the steps of obtaining electromagnetic brake vibration abnormality monitoring indexes, electromagnetic brake coil risk monitoring indexes and electromagnetic brake operation stability indexes of all monitoring subareas of an electromagnetic brake operation period, and analyzing to obtain operation fault early warning coefficients of the (i+1) th monitoring subarea of the electromagnetic brake operation period;

The electromagnetic gate fault diagnosis and evaluation module: and the method is used for acquiring the operation fault early warning coefficient of the (i+1) th monitoring subarea of the operation period of the electromagnetic gate, comparing the operation fault early warning coefficient with a preset operation fault early warning coefficient, and processing the operation fault early warning coefficient.

2. The electromagnetic brake fault diagnosis system according to claim 1, wherein: the specific division mode of the electromagnetic gate operation period division module is as follows:

and acquiring an electromagnetic gate operation period in a preset time period, dividing the electromagnetic gate operation period into monitoring subareas in an equal-time dividing mode, and numbering the monitoring subareas of the electromagnetic gate operation period into 1, 2, … i and … n in sequence.

3. The electromagnetic brake fault diagnosis system according to claim 2, wherein: the electromagnetic gate fault data acquisition module specifically comprises:

The electromagnetic gate vibration data acquisition unit: collecting vibration frequency, amplitude and vibration speed of each monitoring subarea of the electromagnetic gate operation period through a sensor, wherein the vibration frequency, the amplitude and the vibration speed are respectively marked as dp _i、df_i、dv_i, i=1 and 2 … … n, and i is the number of the ith monitoring subarea;

Electromagnetic gate coil data acquisition unit: the number of turns of the coil, the temperature of the coil and the ambient temperature of each monitoring subarea of the operation period of the electromagnetic gate are collected through a sensor, labeled xz _i、xt_i、xh_i, respectively;

The magnetic force stabilization data acquisition unit of the electromagnetic brake: the magnetic output intensity and the input current of each monitoring subarea of the electromagnetic brake operation period are collected through a sensor and are respectively marked as cq _i、cl_i.

4. A fault diagnosis system for an electromagnetic brake according to claim 3, wherein: the electromagnetic gate vibration data processing module specifically comprises:

step S01: extracting the vibration frequency of each monitoring subarea of the electromagnetic brake operation period, and adopting the formula: obtaining a vibration frequency deviation degree, wherein TP _i is expressed as the vibration frequency deviation degree of the ith monitoring subarea, DP _i is expressed as the vibration frequency of the ith monitoring subarea, DP ₀ is expressed as a preset vibration frequency, deltaP is expressed as a vibration frequency allowable difference value, and n is expressed as the number of the monitoring subareas;

Step S02: the amplitude of each monitoring subarea of the electromagnetic gate operation period is extracted, and the method comprises the following steps of: Obtaining an amplitude deviation degree, wherein TF _i is represented as an amplitude deviation degree of an ith monitoring subarea, DF ₀ is represented as a preset amplitude, DF _i is represented as an amplitude of the ith monitoring subarea, and DeltaF is represented as an amplitude allowable difference;

step S03: extracting the vibration speed of each monitoring subarea of the electromagnetic gate operation period, and adopting the formula: Obtaining a vibration speed deviation degree, wherein TV _i is expressed as the vibration speed deviation degree of the ith monitoring subarea, DV ₀ is expressed as a preset vibration speed, DV _i is expressed as the vibration speed of the ith monitoring subarea, and DeltaV is expressed as a vibration speed allowable difference;

step S04: the calculation formula of the electromagnetic gate vibration abnormality monitoring index is as follows:

Wherein α _i is denoted as an electromagnetic brake vibration anomaly monitoring index of the ith monitored sub-area, TP _i is denoted as a vibration frequency deviation degree of the ith monitored sub-area, TP _i-1 is denoted as a vibration frequency deviation degree of the ith-1 monitored sub-area, TF _i is denoted as an amplitude deviation degree of the ith monitored sub-area, TF _i-1 is denoted as an amplitude deviation degree of the ith-1 monitored sub-area, TV _i is denoted as a vibration speed deviation degree of the ith monitored sub-area, TV _i-1 is denoted as a vibration speed deviation degree of the ith-1 monitored sub-area, SP is denoted as a standard deviation of the vibration frequency deviation degree, e is denoted as a natural constant, and μ ₁、μ₂ is respectively denoted as a compensation factor of the amplitude deviation degree and the vibration speed deviation degree.

5. The electromagnetic brake fault diagnosis system according to claim 4, wherein: the electromagnetic gate coil data processing module specifically comprises:

Step S01: extracting the coil temperature and the environment temperature of each monitoring subarea of the electromagnetic gate operation period, and adopting the formula: Obtaining a temperature risk diagnosis degree, wherein MT _i is expressed as the temperature risk diagnosis degree of the ith monitoring subarea, xt _i is expressed as the coil temperature of the ith monitoring subarea, xh _i is expressed as the ambient temperature of the ith monitoring subarea, and e is expressed as a natural constant;

step S02: the calculation formula of the risk monitoring index of the electromagnetic gate coil is as follows:

Wherein beta _i is expressed as an electromagnetic gate coil risk monitoring index of the ith monitoring subarea, MT _i is expressed as a temperature risk diagnosis degree of the ith monitoring subarea, xz _i is expressed as a coil turn number of the ith monitoring subarea, and pi is expressed as a natural constant.

6. The electromagnetic brake fault diagnosis system according to claim 5, wherein: the electromagnetic gate magnetic force data processing module specifically comprises:

Step S01: acquiring rated input current of electromagnetic brake equipment, wherein the rated input current is marked as dl _i;

Step S02: the calculation formula of the electromagnetic brake operation stability index is as follows:

Wherein gamma _i is represented as an electromagnetic brake operation stability index of the ith monitoring subarea, el _i is represented as a rated input current of the ith monitoring subarea, CL _i is represented as an input current of the ith monitoring subarea, cq _i is represented as a magnetic force output intensity of the ith monitoring subarea, and CL ₀ is represented as a preset magnetic force output intensity.

7. The electromagnetic brake fault diagnosis system according to claim 6, wherein: the calculation formula of the operation fault early warning coefficient is as follows:

Wherein θ _i+1 is denoted as an operational failure early warning coefficient of the i+1th monitoring subregion, α _i is denoted as an electromagnetic brake vibration anomaly monitoring index of the i monitoring subregion, α _i-1 is denoted as an electromagnetic brake vibration anomaly monitoring index mean value of the i-1 th monitoring subregion, β _i is denoted as an electromagnetic brake coil risk monitoring index of the i monitoring subregion, β _i-1 is denoted as an electromagnetic brake coil risk monitoring index mean value of the i-1 th monitoring subregion, Δβ is denoted as an electromagnetic brake coil risk monitoring index mean value, γ _i is denoted as an electromagnetic brake operational stability index of the i monitoring subregion, γ _i-1 is denoted as an electromagnetic brake operational stability index mean value of the i-1 th monitoring subregion.

8. The electromagnetic brake fault diagnosis system according to claim 7, wherein: the electromagnetic gate fault diagnosis and evaluation module comprises the following specific evaluation modes:

Acquiring an operation fault early warning coefficient of the (i+1) th monitoring subarea of the operation period of the electromagnetic gate, comparing the operation fault early warning coefficient with a preset operation fault early warning coefficient, if the operation fault early warning coefficient of the (i+1) th monitoring subarea of the electromagnetic gate is larger than the preset operation fault early warning coefficient, indicating that potential faults exist in the operation process of the electromagnetic gate, and timely sending an alarm to inform related personnel, otherwise, indicating that no abnormal phenomenon exists in the operation process of the electromagnetic gate.