CN215865487U - Vibration monitoring system - Google Patents

Vibration monitoring system Download PDF

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Publication number
CN215865487U
CN215865487U CN202122314898.8U CN202122314898U CN215865487U CN 215865487 U CN215865487 U CN 215865487U CN 202122314898 U CN202122314898 U CN 202122314898U CN 215865487 U CN215865487 U CN 215865487U
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China
Prior art keywords
vibration
sensor
monitoring system
monitored subject
vibration monitoring
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CN202122314898.8U
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Chinese (zh)
Inventor
张晓曼
邢赢
高杨
徐志良
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Xinjiang Goldwind Science and Technology Co Ltd
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Xinjiang Goldwind Science and Technology Co Ltd
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Abstract

A vibration monitoring system is provided. This vibration monitoring system includes: at least one sensor mounted on the monitored subject for acquiring vibration data of the monitored subject; a signal collector for collecting vibration data of the monitored subject from the at least one sensor and for sending the vibration data of the monitored subject; a power source for supplying power to the message taker and the at least one sensor; a processor for receiving vibration data of the monitored subject from the communicator and for monitoring vibration of the monitored subject. When the vibration monitoring system is applied to the wind turbine generator, the vibration state of the wind turbine generator can be monitored in a state without electricity before power is supplied, abnormal vibration or fatigue damage is timely found to reach a threshold value through analysis of vibration data, damage and even collapse of the wind turbine generator caused by abnormal vibration are avoided, and the vibration monitoring system can also be used for verifying the effect of vibration suppression measures of the wind turbine generator.

Description

Vibration monitoring system
Technical Field
The present disclosure relates to the field of wind power generation technology. More particularly, the present disclosure relates to a vibration monitoring system.
Background
Along with the development of wind power industry, the pylon constantly becomes high and becomes gentle, the continuous increase of impeller diameter for vibration becomes a serious problem gradually, and the vibration can influence unit hoist and mount, also can vibrate when the unit does not operate after the hoist and mount is accomplished, causes the fatigue damage of unit, seriously influences the security and the reliability of unit.
Before the wind turbine generator is debugged and powered on, a static storage period usually exists, even the state of some generators lasts for several months, no power is supplied to the generators during the period, no data feedback exists, and the state is not easy to know; and as the unit becomes flexible due to high temperature, the impeller is increased, the vibration of the whole machine is frequent before power-on, if the damage to the unit to a certain degree can be generated by the vibration and even the collapse of the unit can be caused if the damage cannot be found in time and no measures are taken, and no data is available for analyzing the vibration reason, the time length, the amplitude, the fatigue damage and the like. Based on the above, the vibration condition of the wind driven generator needs to be monitored during hoisting and before power-on for vibration problem analysis and risk degree evaluation of the unit.
In addition, if data in the tower needs to be monitored, the steel structure shields the signals, so that the monitoring product has to lead the signals to a place where the signals exist so as to send the data.
The wind turbine generator is in a severe environment, is far away from the city center, is in a remote area with rare personnel, even stands in a gobi desert or a mountain area, is difficult to collect electricity, and is supplied with electricity from the ground because the most serious part of vibration is the middle upper part of a machine head or a tower, so that the vibration data of the wind turbine generator cannot be acquired before the wind turbine generator is powered on.
SUMMERY OF THE UTILITY MODEL
An exemplary embodiment of the present disclosure is to provide a vibration monitoring system to monitor a vibration condition of a wind turbine before power-on.
According to an exemplary embodiment of the present disclosure, there is provided a vibration monitoring system including: at least one sensor mounted on the monitored subject for acquiring vibration data of the monitored subject; a communicator for collecting vibration data of the monitored subject from the at least one sensor and for transmitting the vibration data of the monitored subject; a power source for supplying power to the message taker and the at least one sensor; a processor for receiving vibration data of the monitored subject from the communicator and for monitoring vibration of the monitored subject.
Optionally, the communicator collects and transmits vibration data of the monitored subject at regular time.
Optionally, the power source comprises at least one of a battery and a power generation system.
Optionally, the processor is connected with the at least one sensor through the communicator.
Optionally, the at least one sensor comprises a wireless communication module for wireless communication with the letter picker.
Optionally, the at least one sensor comprises a wired communication module for wired communication with the letter picker.
Optionally, the monitoring system further comprises an alarm, wherein the processor is further configured to send an alarm command to the alarm when the monitored subject vibrates abnormally and/or the fatigue damage of at least one predetermined component of the monitored subject exceeds a threshold, wherein the alarm is configured to send an alarm prompt in response to the alarm command.
Optionally, the trusted source, the power source and the at least one sensor are located in one housing.
Optionally, the trusted device may comprise a sensor mounting interface for connecting with the at least one sensor.
Optionally, an antenna may be mounted on the signal collector for increasing signal strength.
Optionally, the monitored subject is a wind turbine.
Optionally, the at least one sensor is located at one of the tower top, the tower middle and the tower bottom of the wind turbine, the letter collector is located at one of the tower top, the tower middle and the tower bottom of the wind turbine, and the letter collector and the power supply are integrated or separated.
Optionally, the location of the at least one sensor is determined for monitoring purposes, and the signal strength of the location of the signal collector exceeds a preset threshold.
Optionally, the credit acquirer may be assigned a unique number, and the credit acquirer may also be used to acquire the battery power.
Optionally, the at least one sensor may comprise a magnetic base or a connection bolt hole, and the at least one sensor may be mounted on the wind turbine in a magnetic attraction manner or a bolt connection manner.
Optionally, the message collector may comprise a collector and a sender.
According to the vibration monitoring system of the exemplary embodiment of the present disclosure, vibration data of a monitored subject is acquired before power-on through at least one sensor installed on the monitored subject, the vibration data of the monitored subject is acquired from the at least one sensor through a signal collector, power is supplied to the signal collector and the at least one sensor through a power supply, and the vibration data of the monitored subject before power-on is received from the signal collector through a processor and is used for monitoring vibration of the monitored subject. When the vibration monitoring system according to the exemplary embodiment of the disclosure is applied to the wind turbine, the vibration state of the wind turbine can be monitored in a state without electricity before power-on, abnormal vibration or fatigue damage can be timely found to reach a threshold value through analysis of vibration data, and damage or even collapse of the wind turbine caused by vibration is avoided. Furthermore, the vibration monitoring system according to an exemplary embodiment of the present disclosure may also be used to verify the effectiveness of vibration suppression measures for wind turbines.
Additional aspects and/or advantages of the present general inventive concept will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the general inventive concept.
Drawings
The above and other objects and features of exemplary embodiments of the present disclosure will become more apparent from the following description taken in conjunction with the accompanying drawings which illustrate exemplary embodiments, wherein:
FIG. 1 shows a schematic diagram of a vibration monitoring system according to the present invention;
FIG. 2 shows a diagram of a sensor 101, a communicator 102 and a power supply 103 according to the present invention integrated on a wind turbine;
FIG. 3 shows an exemplary illustration of a sensor 101 and a communicator 102 separately mounted on a wind turbine in accordance with the present invention; and
fig. 4 shows an exemplary illustration of a sensor 101 and a communicator 102 according to the utility model separately mounted on a wind turbine.
Detailed Description
The following detailed description is provided to assist the reader in obtaining a thorough understanding of the methods, devices, and/or systems described herein. However, various changes, modifications, and equivalents of the methods, apparatus, and/or systems described herein will be apparent to those skilled in the art after reviewing the disclosure of the present application. For example, the order of operations described herein is merely an example, and is not limited to those set forth herein, but may be changed as will become apparent after understanding the disclosure of the present application, except to the extent that operations must occur in a particular order. Moreover, descriptions of features known in the art may be omitted for clarity and conciseness.
The features described herein may be embodied in different forms and should not be construed as limited to the examples described herein. Rather, the examples described herein have been provided to illustrate only some of the many possible ways to implement the methods, devices, and/or systems described herein, which will be apparent after understanding the disclosure of the present application.
As used herein, the term "and/or" includes any one of the associated listed items and any combination of any two or more.
Although terms such as "first", "second", and "third" may be used herein to describe various elements, components, regions, layers or sections, these elements, components, regions, layers or sections should not be limited by these terms. Rather, these terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section referred to in the examples described herein could also be referred to as a second element, component, region, layer or section without departing from the teachings of the examples.
In the specification, when an element (such as a layer, region or substrate) is described as being "on," "connected to" or "coupled to" another element, it can be directly on, connected to or coupled to the other element or one or more other elements may be present therebetween. In contrast, when an element is referred to as being "directly on," "directly connected to," or "directly coupled to" another element, there may be no intervening elements present.
The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the disclosure. The singular is also intended to include the plural unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" specify the presence of stated features, quantities, operations, elements, components, and/or combinations thereof, but do not preclude the presence or addition of one or more other features, quantities, operations, components, elements, and/or combinations thereof.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs after understanding the present invention. Unless explicitly defined as such herein, terms (such as those defined in general dictionaries) should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and the present disclosure, and should not be interpreted in an idealized or overly formal sense.
Further, in the description of the examples, when it is considered that detailed description of well-known related structures or functions will cause a vague explanation of the present invention, such detailed description will be omitted.
Fig. 1 shows a schematic view of a vibration monitoring system according to the present invention. Referring to fig. 1, the vibration monitoring system includes at least one sensor 101, a communicator 102, a power supply 103, and a processor 104. For ease of description, only one exemplary sensor 101 is shown in FIG. 1, but it is understood that multiple sensors 101 may be included in the present invention.
The sensor 101 is mounted on the monitored subject for acquiring vibration data of the monitored subject.
In the present invention, the sensor 101 may include a wireless communication module for wirelessly communicating with the letter collector 102.
In the present invention, the sensor 101 may include a wired communication module for wired communication with the letter collector 102.
In the present invention, the sensor 101 may include a magnetic base or a connection bolt hole, and the sensor 101 may be mounted on the monitored body in a magnetic attraction type or a bolt connection type.
Specifically, the sensor 101 is used for monitoring the vibration of the monitored main body, measuring vibration data, and can be rigidly connected to any position of the wind turbine generator. The vibration data measured by the sensor 101 may be displacement, acceleration, inclination angle, etc. In one embodiment, the sensor 101 may be a wireless sensor. In another embodiment, the sensor 101 may also be a wired sensor. When the sensor is wired, the sensor line is a sectional line, the length of each section is consistent, so that the sensor line can be quickly connected, the number of required sections can be determined according to use requirements, for example, more sections can be connected if longer lines are needed, and fewer sections can be connected if short lines are needed. For example, the sensors 101 may include one or more wireless sensors and one or more wired sensors.
The communicator 102 is used to collect vibration data of the monitored subject from the sensor 101.
In the present invention, the communicator 102 may periodically collect and transmit vibration data of the monitored subject.
In one embodiment, the signal collector 102 is used for collecting and transmitting data, and the collection frequency and the frequency of transmitting data can be flexibly set. To conserve power, the signal collector 102 may collect data periodically, send data periodically, and sleep when not collecting and sending. The acquisition frequency, acquisition duration, interval, etc. of the signal acquirer 102 can be modified as required. The data collected by the letter collector 102 may be sent, for example, to a cloud server so that the data may be remotely viewed and analyzed.
In another embodiment, the message collector 102 is only used for collecting data, the collection frequency, the collection time, the monitoring and the like can be modified according to the requirement, and the data collected by the message collector 102 can be copied (copied) to, for example, a cloud server for analysis.
In the present invention, the letter picker 102 may have an indicator light or display for indicating the status of the letter picker 102, such as networking status, collected data status, dormant status, data transmission status, etc. of the letter picker 102.
In the present invention, an antenna may be installed on the signal miner 102 to increase the strength of the signal used to transmit data.
In the present invention, the letter picker 102 may include a sensor mounting interface.
In the present invention, the credit acquirer 102 may be assigned a unique number, and the number is sent via data, thereby facilitating tracking, management, data analysis, etc. of the credit acquirer 102.
In the present invention, the signal collector 102 may include a collector and a transmitter.
The power supply 103 is used to power the communicator 102 and the sensor 101.
In the present invention, the power source 103 may include at least one of a battery and a power generation system. The battery may be, for example, but not limited to, a lithium battery, an energy storage battery, etc., and the power generation system may be, for example, but not limited to, a photovoltaic panel power generation system, etc., various types of power generators.
In particular, battery 103 may be used for a long time after being charged once, thereby ensuring that the monitoring system may be used without the monitored subject being powered up. In addition, the monitoring system can be used independently of the wind turbine generator after the monitored main body is electrified.
In the present invention, the charge of the battery 103 can be transmitted via data for remote monitoring of the battery charge.
In the present invention, the battery 103 may be a lithium battery.
In the present invention, the battery 103 may be a battery device. The battery device may have a display screen for displaying the amount of power, thereby facilitating a user to determine whether the battery device needs to be charged or replaced.
In the present invention, the battery 103 may be an external power source, for example, an external power source of 220V.
In the present invention, the signal collector 102 and the battery 103 may be designed as a single body and packaged. The housing of the package is left with switches and interfaces, e.g. sensor interface, antenna interface, charging interface, etc. Status indicator lights or displays may also be embedded on the enclosed housing as a whole.
A processor 104 for receiving vibration data of the monitored subject from the communicator 102 and for monitoring the vibration of the monitored subject.
In the present invention, the processor 104 is connected to the sensor 101 through the communicator 102.
In particular, the processor 104 may be implemented in software or hardware. The processor 104 is configured to analyze the collected data, and analyzing the content includes: and (4) monitoring the fatigue load and the damage of the component according to the vibration amplitude and the frequency, and judging whether the vibration amplitude or the damage exceeds an early warning threshold value. The early warning threshold may be determined based on a safety assessment, and different early warning thresholds may be set for different monitored subjects. The processor 104 may be configured to run periodically, such as, but not limited to, every time the most recent data is received. The processor 104 may relate the vibration to the load and calculate the fatigue of predetermined components such as the tower. The processor 104 may superimpose the current fatigue damage result with the previous fatigue damage result to obtain the total result of the fatigue damage.
In the present invention, the monitoring system may further comprise an alarm. The processor 104 may also be configured to generate an alarm command to an alarm if abnormal vibration of the monitored subject occurs and/or fatigue damage to at least one predetermined component of the monitored subject exceeds a threshold. Here, the alarm is used for responding to the alarm command and sending out a warning prompt.
In the utility model, the monitored main body can be a wind turbine generator.
In the present invention, the transponder 102, the power source 103 and the sensor 10 may be located in the same housing, so that the sensor 101, the transponder 102 and the power source 103 are integrated.
In the utility model, the sensor 101 can be positioned at one of the top, the middle and the bottom of the wind turbine, the information collector 102 can be positioned at one of the top, the middle and the bottom of the wind turbine, and the information collector 102 and the power supply 103 can be integrated into a whole or separated, that is, the information collector 102 and the power supply 103 can be positioned at the same position or at two different positions respectively.
In the present invention, the position of the sensor 101 is determined for monitoring purposes. The sensors 101 may be placed at different locations on the wind turbine depending on the purpose of the monitoring.
In the present invention, the signal strength at the location of the signal taker 102 exceeds a preset threshold. That is, the signal collector 102 may be placed at any location on the wind turbine where the signal strength exceeds a preset threshold.
Fig. 2 shows a diagram in which a sensor 101, a communicator 102 and a power supply 103 according to the present invention are integrated on a wind turbine. As shown in fig. 2, the sensor 101, the communicator 102 and the power supply 103 are integrated into an integrated device. Although FIG. 2 illustrates the integrated equipment mounted to the nacelle (tower top) of the wind turbine, the integrated equipment may be mounted anywhere on the wind turbine such as, but not limited to, the nacelle (tower top), tower (in tower), tower bottom, etc. of the wind turbine.
In the utility model, the sensor 101 can be located at a preset position or any position of a tower (in a tower) of the wind turbine generator, the information collector 102 and the power supply 103 can be located at the bottom of the tower of the wind turbine generator, and the information collector 102 and the power supply 103 can be integrated into a whole or can be separately arranged. Furthermore, the signal collector 102 and the power supply 103 may be located at any position of the wind turbine.
Fig. 3 shows an exemplary illustration of a sensor 101 and a communicator 102 according to the utility model separately mounted on a wind turbine. As shown in fig. 3, the sensor 101 is installed in the tower of the wind turbine, the information collector 102 and the power supply 103 are installed at the bottom of the wind turbine, and the information collector 102 and the power supply 103 are located at the same position or integrated into a whole. When the sensor 101 is a wireless sensor, the sensor 101 wirelessly communicates with the communicator 102 to transmit data, and the power supply 103 is operable to power the sensor 101. When the sensor 101 is a wired sensor, the sensor 101 is in wired communication with the communicator 102 to transmit data.
In the utility model, the sensor 101 is located at a preset position of a tower (in a tower) of the wind turbine generator, the information collector 102 and the power supply 103 are located at a machine room (at the top of the tower) of the wind turbine generator, and the information collector 102 and the power supply 103 can be integrated into a whole or can be separately arranged. Furthermore, the signal collector 102 and the power supply 103 may be located at any position of the wind turbine.
Fig. 4 shows an exemplary illustration of a sensor 101 and a communicator 102 according to the utility model separately mounted on a wind turbine. As shown in fig. 4, the sensor 101 is installed in the tower (tower) of the wind turbine, the information collector 102 and the power supply 103 are installed in the nacelle (tower top) of the wind turbine, and the information collector 102 and the power supply 103 are located at the same position or integrated into a whole. When the sensor 101 is a wireless sensor, the sensor 101 wirelessly communicates with the communicator 102 to transmit data, and the power supply 103 is operable to power the sensor 101. When the sensor 101 is a wired sensor, the sensor 101 is in wired communication with the communicator 102 to transmit data.
According to the vibration monitoring system of the exemplary embodiment of the present disclosure, vibration data of a monitored subject is acquired before power-on through at least one sensor installed on the monitored subject, the vibration data of the monitored subject is acquired from the at least one sensor through a signal collector, power is supplied to the signal collector and the at least one sensor through a power supply, and the vibration data of the monitored subject before power-on is received from the signal collector through a processor and is used for monitoring vibration of the monitored subject.
According to the vibration monitoring system, the vibration data of the wind turbine generator is acquired before being powered on through the at least one sensor arranged on the wind turbine generator, the vibration data of the wind turbine generator is acquired from the at least one sensor through the information collector, power is supplied to the information collector through the power supply, the vibration data of the wind turbine generator before being powered on is received from the information collector through the processor and is used for monitoring the vibration of the wind turbine generator, so that the vibration state of the wind turbine generator is monitored in a power-off state before being powered on, abnormal vibration or fatigue damage reaching a threshold value is timely found through analysis of the vibration data, and damage and even collapse of the wind turbine generator caused by vibration are avoided. In addition, the vibration monitoring system can also be used for verifying the effect of vibration suppression measures of the wind turbine generator.
While the present disclosure has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present disclosure as defined by the following claims.

Claims (16)

1. A vibration monitoring system, comprising:
at least one sensor mounted on the monitored subject for acquiring vibration data of the monitored subject;
a communicator for collecting vibration data of the monitored subject from the at least one sensor and for transmitting the vibration data of the monitored subject;
a power source for supplying power to the message taker and the at least one sensor;
a processor for receiving vibration data of the monitored subject from the communicator and for monitoring vibration of the monitored subject.
2. The vibration monitoring system of claim 1 wherein the communicator periodically collects and transmits vibration data of the monitored subject.
3. The vibration monitoring system of claim 1, wherein the power source comprises at least one of a battery and a power generation system.
4. The vibration monitoring system of claim 1 wherein the processor is coupled to the at least one sensor through the communicator.
5. The vibration monitoring system of claim 1 wherein the at least one sensor includes a wireless communication module for wirelessly communicating with the letter acceptor.
6. The vibration monitoring system of claim 1 wherein the at least one sensor includes a wired communication module for wired communication with the letter acceptor.
7. The vibration monitoring system of claim 1 further comprising an alarm,
wherein the processor is further configured to generate an alarm command to the alarm when the monitored subject experiences abnormal vibration and/or fatigue damage to at least one predetermined component of the monitored subject exceeds a threshold,
the alarm is used for responding to the alarm command and sending out a warning prompt.
8. The vibration monitoring system of claim 1 wherein the signal collector, the power source and the at least one sensor are located in a single housing.
9. The vibration monitoring system of claim 1 wherein the letter picker includes a sensor mounting interface for connection with the at least one sensor.
10. A vibration monitoring system according to claim 1 wherein the signal pick-up has an antenna mounted thereon for increasing signal strength.
11. The vibration monitoring system of claim 1 wherein the monitored subject is a wind turbine.
12. The vibration monitoring system according to claim 11, wherein the at least one sensor is located at one of a tower top, a tower middle and a tower bottom of the wind turbine, the letter taker is located at one of a tower top, a tower middle and a tower bottom of the wind turbine, and the letter taker and the power supply are integrated or separated.
13. The vibration monitoring system according to claim 11, wherein the location of the at least one sensor is determined for monitoring purposes, and the signal strength of the location of the signal collector exceeds a preset threshold.
14. The vibration monitoring system according to claim 11, wherein the credit acquirer is assigned a unique number, the credit acquirer also being used to acquire battery power.
15. The vibration monitoring system of claim 11, wherein the at least one sensor comprises a magnetic mount or a connecting bolt hole, the at least one sensor being mounted on the wind turbine in a magnetic attraction or bolting arrangement.
16. The vibration monitoring system of claim 1 wherein the signal collector comprises a collector and a transmitter.
CN202122314898.8U 2021-09-23 2021-09-23 Vibration monitoring system Active CN215865487U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122314898.8U CN215865487U (en) 2021-09-23 2021-09-23 Vibration monitoring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122314898.8U CN215865487U (en) 2021-09-23 2021-09-23 Vibration monitoring system

Publications (1)

Publication Number Publication Date
CN215865487U true CN215865487U (en) 2022-02-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122314898.8U Active CN215865487U (en) 2021-09-23 2021-09-23 Vibration monitoring system

Country Status (1)

Country Link
CN (1) CN215865487U (en)

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