CN115014826A - Method for estimating fault and residual service life of components thereof based on online monitoring state - Google Patents

Method for estimating fault and residual service life of components thereof based on online monitoring state Download PDF

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Publication number
CN115014826A
CN115014826A CN202210650595.XA CN202210650595A CN115014826A CN 115014826 A CN115014826 A CN 115014826A CN 202210650595 A CN202210650595 A CN 202210650595A CN 115014826 A CN115014826 A CN 115014826A
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CN
China
Prior art keywords
equipment
wire harness
fault
pin
monitoring
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Pending
Application number
CN202210650595.XA
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Chinese (zh)
Inventor
邓仁纲
杨守栋
蔡海军
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Beijing Haopu Technology Co ltd
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Beijing Haopu Technology Co ltd
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Priority to CN202210650595.XA priority Critical patent/CN115014826A/en
Publication of CN115014826A publication Critical patent/CN115014826A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00—Subject matter not provided for in other groups of this subclass
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
    • G01L1/225—Measuring circuits therefor
    • G01L1/2262—Measuring circuits therefor involving simple electrical bridges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00—Vibration-testing of structures; Shock-testing of structures
    • G01M7/02—Vibration-testing by means of a shake table
    • G01M7/025—Measuring arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
    • Y04S10/52—Outage or fault management, e.g. fault detection or location

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

The invention discloses a method for estimating faults and residual service lives of components thereof based on an online monitoring state, which comprises equipment, a sensor, acquisition equipment, online monitoring equipment, fault diagnosis, fault estimation, component fault points and equipment service life monitoring, wherein the sensor is arranged in the equipment and is transmitted to the acquisition equipment through a signal; the acquisition equipment acquires the working states of the sensors on all parts of the equipment to obtain the vibration state simulation data of the equipment; the method for estimating the fault and the residual service life of the components based on the online monitoring state has the advantages of convenience, rapidness and high efficiency.

Description

Method for estimating fault and residual service life of component thereof based on online monitoring state
Technical Field
The invention relates to the technical field of equipment full-state online monitoring, in particular to a method for estimating faults and residual service lives of components thereof based on an online monitoring state.
Background
The equipment is a mechanical equipment for supplying gas, generates a certain amount of wind by converting mechanical energy into kinetic energy, is one of indispensable equipment for gas delivery, and is unstable in equipment performance, so that the equipment needs to be monitored, and whether the performance of the equipment is intact is monitored in turn.
In order to better know all working states of the online monitoring equipment, the embodiment of the application provides a method for estimating faults and residual service lives of components thereof based on the online monitoring states.
Disclosure of Invention
The invention aims to provide a method for estimating faults and residual service lives of components thereof based on an online monitoring state, which has the advantages of convenience, quickness and high efficiency and solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the method for estimating the fault and the residual service life of the component based on the online monitoring state comprises equipment, a sensor, acquisition equipment, online monitoring equipment, fault diagnosis, fault estimation, a component fault point and equipment service life monitoring, wherein the sensor is arranged in the equipment, the sensor is transmitted to the acquisition equipment through a signal, the acquisition equipment is connected with the online monitoring equipment through a wire harness, fault diagnosis and data storage are arranged in the online monitoring equipment, the fault diagnosis is provided with fault estimation, the fault estimation is provided with the component fault point, and the component fault point is provided with equipment service life monitoring.
Preferably, the sensor circuit diagram is formed by externally connecting a power supply with a VCC, the VCC is connected with R1 through a wire harness, the R1 is connected with D1 in series through the wire harness, the D1 is connected with an NPN 9014 triode 1 pin through the wire harness, the R1 is connected with R2 in series through the wire harness, the R2 is connected with an NPN 9014 triode 2 pin through the wire harness, the R2 is connected with a voltage vibrating reed through the wire harness, the voltage vibrating reed is connected with an NPN 9014 triode 3 pin through the wire harness, the NPN 9014 triode 2 pin and the 3 pin are connected in parallel with C1 through the wire harness, the NPN 9014 triode 3 pin is connected with a ground wire through the wire harness, the sensor circuit is connected with a signal circuit through the wire harness, the VCC is externally connected with a power supply, the VCC is connected with an discharger 7 pin of op-07 through the wire harness, the VCC is connected with R4 through the wire harness, the R4 is connected with R5 and the R6 through the wire harness, the R6 is connected with a 3 pin of FXOP-07 through the wire harness, the R5 is connected with a 2 pin of FXOP-07 through a wire harness, the 2 pin of FXOP-07 is connected with D2 through the wire harness, the D2 is connected with R3 in series through the wire harness, the R3 is respectively connected with C1, R1 and R2 through the wire harness, the C1 is connected with a 6 pin of FXOP-07 through the wire harness, the R1 is connected with GND through the wire harness, the R2 is connected with the 6 pin of FXOP-07 through the wire harness, the 6 pin of FXOP-07 is connected with an LED through the wire harness, the LED is connected with VO through the wire harness, the R5 and R6 are respectively connected with R7 and R8 through the wire harness, the R7 is connected with R9 through the wire harness, the R9 is connected with R8 through the wire harness, the R9 is connected with R10 through the wire harness, the R10 is connected with a 4 pin of FXOP-07 through the wire harness, and the 4 pin of the FXOP-07 is connected with GND through the wire harness.
Preferably, a monitoring instrument is arranged in the on-line monitoring equipment, the on-line monitoring equipment monitors various indexes of the equipment by adopting the monitoring instrument so as to achieve the purposes of ensuring the safe use and normal work of the equipment, a voltage vibrating reed in a sensor circuit is used for sensing the frequency of the equipment in a working state, the sensor is used for amplifying the frequency of the equipment sensed by the sensor in the working state by a signal amplifying circuit, a UO transmits the frequency of the equipment in the working state generated after the signal amplification, and the acquisition equipment acquires the frequency of the equipment in the working state generated after the signal amplification is transmitted by the UO so as to obtain the vibration simulation data of the equipment in the working state; the on-line monitoring equipment compares the working frequency of the equipment in a normal state through the information acquired by the acquisition equipment, and the working state of the on-line monitoring equipment is monitored; the state monitoring judges and analyzes the equipment according to the information monitored and compared by the online monitoring equipment, analyzes whether the equipment works normally, and judges whether the equipment breaks down.
Preferably, the fault estimation is used for receiving the fault diagnosis information, calling the normal working frequency of the equipment for storing the data in the online monitoring equipment and the frequency of the operating state of the equipment generated after the UO transmission signal acquired by the acquisition equipment is amplified, simulating the operating states of all the parts of the equipment, and estimating whether all the parts of the equipment have faults or not.
Preferably, the fault point of the component is subjected to fault point investigation by comparing normal conditions of the component on the equipment through the equipment by means of fault estimation feedback.
Preferably, the device life test calls information of each component of the device from information stored in internal data of the online monitoring device, determines a fault component through a fault point of the component, tests the life of the component, and judges whether the component needs to be replaced.
Compared with the prior art, the invention has the following beneficial effects:
1. the method for estimating the fault and the residual service life of the components based on the online monitoring state adopts an NPN 9014 triode to control the working frequency of each component when the vibrating piece sensing equipment works, adopts a secondary strain gauge sensing amplifier circuit consisting of a low-drift high-precision FXOP-07 operational amplifier, and adopts R1-R4 in the circuit as a combined bridge type strain resistor, the resistance values of which are consistent, the bridge is balanced when no pressure is applied, the output is zero, changes when the external pressure is applied, is beneficial to monitoring various states of the online monitoring equipment during operation by installing a sensor on a monitoring point on the equipment, adopts the acquisition equipment to acquire the monitoring information fed back by the sensor, adopts the online monitoring equipment to monitor the equipment in real time through the information acquired by the acquisition equipment, is beneficial to ensuring the normal operation of the equipment, adopts the fault diagnosis to analyze the equipment in real time through the information acquired by the acquisition equipment, the device is beneficial to knowing the working state of the device in real time, storing and storing information transmitted by the online monitoring device and the fault diagnosis signal through data storage, adopting fault diagnosis to know whether the device breaks down or not, being beneficial to troubleshooting, adopting acquisition equipment to accurately position a fault point of a component through a sensor and the fault diagnosis, being beneficial to troubleshooting on the component of the device, adopting a device service life monitoring device to monitor the service life of the fault component of the device, and being beneficial to determining whether the fault component needs to be replaced or not.
Drawings
Fig. 1 is a flowchart illustrating an overall structure of a method for estimating a fault and a remaining life of a component thereof based on an online monitoring state according to the present invention.
FIG. 2 is a sensor circuit diagram of the method for estimating fault and remaining life of its components based on-line monitoring state according to the present invention.
FIG. 3 is a circuit diagram of a sensor signal amplifier based on a method for estimating a fault and the remaining life of its components based on-line monitoring of the state according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1, the method for estimating a fault and a remaining life of a component thereof based on an online monitoring state includes a device, a sensor, a collection device, an online monitoring device, a fault diagnosis, a fault estimation, a component fault point, and a device life monitoring, the sensor is arranged in the device, the sensor transmits a signal to the collection device, the collection device is connected to the online monitoring device through a wire harness, the online monitoring device is internally provided with the fault diagnosis and data storage, the fault diagnosis is provided with the fault estimation, the fault estimation is provided with the component fault point, and the component fault point is provided with the device life monitoring.
Referring to fig. 2 and 3, a sensor circuit diagram, wherein a VCC is externally connected with a power supply, the VCC is connected with an R1 through a harness, the R1 is connected with a D1 through a harness in series, a D1 is connected with an NPN 9014 triode 1 pin through a harness in series, the R1 is connected with an R2 through a harness in series, the R2 is connected with an NPN 9014 triode 2 pin through a harness, the R2 is connected with a voltage vibrating reed through a harness, the voltage vibrating reed is connected with an NPN 9014 triode 3 pin through a harness, the NPN 9014 triode 2 pin and the 3 pin are connected with a C1 through a harness in parallel, the NPN 9014 triode 3 pin is connected with a ground wire through a harness, the sensor circuit is connected with a signal circuit through a harness, the VCC is externally connected with a power supply, the VCC is connected with a 7 pin of the FXOP-07 through a harness, the VCC is connected with an R5 and an R6 through R4 and a discharger through a 3 pin 3, the FXOP-07 through a harness, the R6 is connected with a 3 pin of the FXOP-07 through a harness, d2 is connected with R3 in series through a wire harness, R3 is respectively connected with C1, R1 and R2 through the wire harness, C1 is connected with 6 feet of FXOP-07 through the wire harness, R1 is connected with GND through the wire harness, R2 is connected with 6 feet of FXOP-07 through the wire harness, 6 feet of FXOP-07 are connected with LEDs through the wire harness, LEDs are connected with VO through the wire harness, R5 and R6 are respectively connected with R7 and R8 through the wire harness, R7 is connected with R9 through the wire harness, R9 is connected with R8 through the wire harness, R9 is connected with R10 through the wire harness, R10 is connected with 4 feet of FXOP-07 through the wire harness, and 4 feet of FXOP-07 are connected with GND through the wire harness.
Specifically, the sensor is arranged in the equipment to ensure each state of the equipment during operation, the acquisition equipment is adopted to acquire the equipment monitoring information fed back by the sensor, the comparison with the equipment under normal conditions is facilitated, the online monitoring equipment is adopted to monitor the equipment in real time by acquiring the information acquired by the equipment to ensure the normal operation of the equipment, the equipment is analyzed in real time by acquiring the information acquired by the equipment during fault diagnosis, the real-time understanding of the working state of the equipment is ensured, the fault estimation is adopted to estimate the equipment fault, the follow-up investigation is facilitated, by determining, through fault estimation, that a component fault is sent on that component of the device, subsequent troubleshooting is facilitated, the service life of the equipment component sending the fault is monitored through equipment service life monitoring, and whether the fault component needs to be replaced or not is determined.
The working principle is as follows:
the invention relates to a method for estimating fault and residual life of parts based on online monitoring state, which comprises installing sensors on monitoring points on equipment for online monitoring each state of the equipment, controlling the working frequency of each part when the vibrating piece sensing equipment works by utilizing NPN 9014 triode, and using a secondary strain gauge sensing amplifier circuit consisting of FXOP-07 operational amplifier with low drift and high precision, wherein R1-R4 in the circuit are combined bridge type strain resistors, the resistance values of which are consistent, the bridge is balanced when no pressure is applied, the output is zero, the resistance values are changed when external pressure is applied, then the acquisition equipment acquires the equipment monitoring information fed back by the sensors, the equipment is monitored in real time by the information acquired by the acquisition equipment of the online monitoring equipment and the data is stored by the internal data storage of the online monitoring equipment, then the equipment is analyzed by the information acquired by the acquisition equipment in the internal fault diagnosis of the online monitoring equipment, whether equipment breaks down is analyzed, if the equipment breaks down, equipment fault estimation is carried out through collection equipment through fault diagnosis, then a fault point of a component is determined through a sensor through the fault estimation, the service life of the broken-down equipment component is monitored through equipment service life monitoring at the component fault point, whether the broken-down component needs to be replaced is determined, and a solution is given through on-line monitoring equipment manually.
While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not to be construed as limiting the claims.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The method for estimating the fault and the residual service life of the component based on the online monitoring state comprises equipment, a sensor, acquisition equipment, online monitoring equipment, fault diagnosis, fault estimation, a component fault point and equipment service life monitoring, and is characterized in that: the device is characterized in that a sensor is arranged inside the device, the sensor transmits a signal to a collecting device, the collecting device is connected with an online monitoring device through a wire harness, fault diagnosis and data storage are arranged inside the online monitoring device, fault estimation is carried out on the fault diagnosis, a part fault point is arranged on the fault estimation, and the part fault point is provided with device service life monitoring.
2. The method for estimating fault and remaining life of its components based on-line monitoring state of claim 1, wherein: the sensor circuit diagram is characterized in that a power supply is externally connected with a VCC, the VCC is connected with R1 through a wire harness, R1 is connected with D1 in series through the wire harness, D1 is connected with an NPN 9014 triode 1 pin through the wire harness, R1 is connected with R2 in series through the wire harness, R2 is connected with an NPN 9014 triode 2 pin through the wire harness, R2 is connected with a voltage vibrating piece through the wire harness, the voltage vibrating piece is connected with an NPN 9014 triode 3 pin through the wire harness, the NPN 9014 triode 2 pin and the NPN 903 pin are connected with C1 in parallel through the wire harness, the NPN 9014 triode 3 pin is connected with a grounding wire through the wire harness, the sensor circuit is connected with a signal discharger circuit through the wire harness, the VCC is externally connected with a power supply, the VCC is connected with an FXOP-07 pin 7 through the wire harness, the VCC is connected with R4 through the wire harness, the wire harness R4 is connected with R5 and R6 through the wire harness, and R6 is connected with the FXOP-07 pin 3 through the wire harness, the R5 is connected with a 2 pin of FXOP-07 through a wire harness, the 2 pin of FXOP-07 is connected with D2 through the wire harness, the D2 is connected with R3 in series through the wire harness, the R3 is respectively connected with C1, R1 and R2 through the wire harness, the C1 is connected with a 6 pin of FXOP-07 through the wire harness, the R1 is connected with GND through the wire harness, the R2 is connected with the 6 pin of FXOP-07 through the wire harness, the 6 pin of FXOP-07 is connected with an LED through the wire harness, the LED is connected with VO through the wire harness, the R5 and R6 are respectively connected with R7 and R8 through the wire harness, the R7 is connected with R9 through the wire harness, the R9 is connected with R8 through the wire harness, the R9 is connected with R10 through the wire harness, the R10 is connected with a 4 pin of FXOP-07 through the wire harness, and the 4 pin of the FXOP-07 is connected with GND through the wire harness.
3. The method for estimating fault and remaining life of its components based on-line monitoring state of claim 1, wherein: the on-line monitoring equipment is internally provided with a monitoring instrument, monitors various indexes of the equipment by adopting the monitoring instrument so as to achieve the purposes of ensuring the safe use and normal work of the equipment, induces the frequency of the equipment in a working state by a voltage vibrating reed in a sensor circuit, amplifies the frequency of the sensor in the working state of the equipment induced by the sensor by a signal amplifying circuit, transmits the frequency of the equipment in the working state generated after the signal amplification by the UO, and acquires the frequency of the equipment in the working state generated after the signal amplification by the UO so as to obtain the vibration simulation data of the equipment in the working state; the on-line monitoring equipment compares the working frequency of the equipment in a normal state through the information acquired by the acquisition equipment, and the working state of the on-line monitoring equipment is monitored; the state monitoring judges and analyzes the equipment according to the information monitored and compared by the online monitoring equipment, analyzes whether the equipment works normally, and judges whether the equipment breaks down.
4. The method for estimating fault and remaining life of its components based on-line monitoring state of claim 1, wherein: the fault estimation is used for receiving fault diagnosis information, calling the normal working frequency of equipment stored in data inside the online monitoring equipment and the frequency of the operating state of the equipment generated after the UO transmission signal acquired by the acquisition equipment is amplified, simulating the operating states of all the parts of the equipment, and estimating whether all the parts of the equipment have faults or not.
5. The method for estimating fault and remaining life of its components based on-line monitoring state of claim 1, wherein: and the fault points of the components are fed back through fault estimation, and the normal conditions of the components on the equipment are compared through the equipment to check the fault points.
6. The method for estimating faults and remaining life of components thereof based on online monitored conditions of claim 1, wherein: the equipment service life test calls information of all parts of the equipment through information stored in data inside the on-line monitoring equipment, determines a fault part through a fault point of the part, tests the service life of the part and judges whether the part needs to be replaced.
CN202210650595.XA 2022-06-09 2022-06-09 Method for estimating fault and residual service life of components thereof based on online monitoring state Pending CN115014826A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210650595.XA CN115014826A (en) 2022-06-09 2022-06-09 Method for estimating fault and residual service life of components thereof based on online monitoring state

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210650595.XA CN115014826A (en) 2022-06-09 2022-06-09 Method for estimating fault and residual service life of components thereof based on online monitoring state

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Publication Number Publication Date
CN115014826A true CN115014826A (en) 2022-09-06

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