Fully automatic test system and method for fan reliability test

Abstract

The present invention provides a fully automatic test system and method for fan reliability testing, the system comprising: a relevant data acquisition module for collecting fan-related data; a test standard determination module for determining the fan working requirements based on the fan-related data, thereby determining the matching test process of the current test fan; an automatic test module for judging whether the operating data of the current test fan meets the preset requirements corresponding to the matching test process based on the matching test process; a test result output module for obtaining the judgment result and test progress of the automatic test module, generating test output data and sending it to an associated display terminal for display. The present invention automatically detects the reliability of the fan according to the wind demand of the fan service equipment without affecting the normal operation of the fan, thereby improving the efficiency and intelligence of the fan reliability test, facilitating timely discovery and repair of fan working hidden dangers, and extending the service life of the fan.

Description

Technical Field

[0001] The present invention relates to the field of automatic testing technology, and in particular to a full-automatic testing system and method for testing the reliability of a fan. Background Art

[0002] In industrial production, fans are widely used in air-conditioning systems, ventilation systems, generator sets and other fields, playing a vital role. However, due to the influence of long-term work and harsh environment, the reliability of fans cannot be ignored. In order to ensure the normal operation of industrial production, fan reliability detection is particularly important. However, the existing fan test mainly relies on manual experience to analyze the wind test data. To complete the judgment of fan reliability, it takes a lot of manpower and the test efficiency is low. At the same time, due to the different testing methods of each person, the judgment of the test conclusion will also be affected. Moreover, due to the differences in fan working requirements at different stages of use, the fan data are also different. If the fan reliability is tested according to a single standard, the test conclusion will be inaccurate. Summary of the invention

[0003] The present invention provides a fully automatic testing system and method for fan reliability testing. Without affecting the normal operation of the fan, the fan reliability is automatically detected according to the wind force demand of the fan service equipment, thereby improving the efficiency and intelligence of the fan reliability test, facilitating timely discovery and repair of fan working hidden dangers, and extending the service life of the fan while reducing the enterprise maintenance cost.

[0004] The present invention provides a fully automatic test system for wind turbine reliability testing, comprising:

[0005] The relevant data acquisition module is used to collect the fan model and its corresponding application environment data corresponding to the current test fan, and generate fan related data;

[0006] A test standard determination module is used to determine the working requirements of the fan based on the relevant data of the fan, and determine the matching test process of the current test fan according to the working requirements of the fan;

[0007] The automatic test module is used to collect the operating data of the current test fan in real time, and based on the matching test process, determine whether the operating data of the current test fan meets the preset requirements corresponding to the matching test process;

[0008] The test result output module is used to obtain the judgment results and test progress of the automatic test module, generate test output data and send it to the associated display terminal for display.

[0009] Preferably, in a fully automatic test system for wind turbine reliability testing, the test standard determination module includes:

[0010] A work prediction unit is used to determine the equipment work flow of the current test wind turbine service equipment based on the wind turbine related data, determine and generate the corresponding wind power demand curve of the current test wind turbine service equipment at different working stages;

[0011] The standard determination unit is used to determine the working changes of the current test fan based on the equipment wind demand curve and the fan model of the current test fan, and generate a matching test process for the current test fan according to the fan working changes.

[0012] Preferably, in a fully automatic test system for wind turbine reliability testing, the test standard determination unit includes:

[0013] A data analysis unit, used to determine the predicted wind speed change of the current test wind turbine based on the equipment wind speed demand curve and the current ambient wind speed;

[0014] A fan operation prediction unit, used to determine the change of the operating parameters of the current test fan based on the predicted wind force change and the fan performance corresponding to the fan model of the current test fan;

[0015] The test process generation unit is used to generate parameter operating ranges for different time periods based on changes in the working parameters of the tested fan, and to generate a matching test process according to the changes in the parameter operating ranges.

[0016] Preferably, in a fully automatic test system for wind turbine reliability testing, the automatic test module includes:

[0017] A test data acquisition unit is used to collect the operating data of the current test fan in real time;

[0018] A test requirement determination unit, used to determine the test items of the current test fan and the expected operating state corresponding to the test items and the corresponding parameter operating range based on the matching test process, and determine the actual operating state of the current test fan based on the operating data;

[0019] Automatic test and analysis unit, used to compare the actual operation status with the expected operation status to determine whether the two are consistent;

[0020] If they are inconsistent, the current test fan abnormal operation test is judged to be unqualified;

[0021] If they are consistent, the actual operating parameters of the current test fan are obtained, and it is determined whether the current actual operating parameters are within the parameter operating range. If so, it is determined that the current test fan is operating normally and the test is qualified;

[0022] Otherwise, it is determined that the current test fan operation abnormality test fails.

[0023] Preferably, in a fully automatic test system for wind turbine reliability testing, the automatic test analysis unit comprises:

[0024] The performance degradation degree determination subunit is used to calculate the parameter error based on the actual operating parameters and the upper and lower limits of the corresponding parameter operating range when determining that the current test fan fails the abnormal operation test, and obtain the comprehensive error corresponding to all operating parameters based on the preset weights corresponding to each operating parameter;

[0025] Based on the comprehensive error, the performance degradation degree of the current test fan in the current working period is determined, and added to the test output data based on the performance degradation degree.

[0026] Preferably, in a fully automatic test system for wind turbine reliability testing, the automatic test module further includes:

[0027] A fan sound detection unit is used to collect the fan working sound signal and synchronously obtain the standard fan working sound signal of the fan model corresponding to the current test fan;

[0028] Based on the actual operating parameters of the current fan, determine the speed difference between the current fan rotation speed and the rotation speed corresponding to the standard working sound of the fan, and determine the sound correction coefficient of the current fan according to the speed difference and the influence of the rotation speed on the cutting air sound;

[0029] Based on the sound correction coefficient and the standard fan working sound signal, a standard sound signal corresponding to the current operation of the current test fan is obtained;

[0030] Filtering the ambient noise signal of the fan working sound signal to obtain a filtered working sound signal;

[0031] Compare the standard sound signal with the filtering working sound signal. If there is no difference between the two, it is determined that the current test fan is working normally.

[0032] If there is a difference between the two, the filtering working sound signal is filtered based on the standard sound signal to obtain a difference signal;

[0033] And based on the preset sound separation model, the sound separation is performed on the corresponding difference signal to obtain multiple working noise signals;

[0034] The working noise signal is compared with a plurality of preset fan loose signals respectively. If any working noise signal is consistent with the preset fan loose signal, it is determined that there is a loose component in the current test fan.

[0035] Otherwise, it is determined that the current test fan has a suspected unknown abnormal noise.

[0036] Preferably, in a fully automatic test system for fan reliability testing, the fan sound detection unit includes:

[0037] The noise signal acquisition subunit is used to collect non-fan working signals in the current test fan working environment to obtain real-time environmental noise signals.

[0038] Preferably, in a fully automatic test system for wind turbine reliability testing, the test result output module includes:

[0039] The output processing unit is used to mark the current output result as a red signal when the test result is judged to be unqualified;

[0040] Otherwise, mark the current output result as a green signal;

[0041] A test progress updating unit, used to determine the current test progress stage based on the matching test process and generate a corresponding test progress bar;

[0042] The result output unit is used to generate test output data based on the red signal or the green signal and the test progress bar, and send the test output data to the associated display terminal for display.

[0043] Preferably, in a fully automatic test system for wind turbine reliability testing, the test result output module includes:

[0044] The abnormal warning unit is used to determine the loose position corresponding to the preset fan loose signal matching the working noise signal when it is determined that there is a loose component in the current test fan, generate a fan abnormal signal based on the loose position, and send it to the associated display terminal for display;

[0045] When the currently tested fan has an unknown abnormal noise, a suspected abnormal signal is generated and sent to the associated display terminal for display.

[0046] The present invention provides a fully automatic testing method for wind turbine reliability testing, comprising:

[0047] Collect the fan model and its corresponding application environment data corresponding to the current test fan, and generate fan-related data;

[0048] Based on the relevant data of the fan, determine the working requirements of the fan, and according to the working requirements of the fan, determine the matching test process of the current test fan;

[0049] Collect the operating data of the current test fan in real time, and based on the matching test process, determine whether the operating data of the current test fan meets the preset requirements corresponding to the matching test process;

[0050] Obtain the judgment results and test progress of the automatic test module, generate test output data and send it to the associated display terminal for display.

[0051] Compared with the prior art, the present invention has the following beneficial effects:

[0052] The present invention collects the fan model and its corresponding application environment data corresponding to the current test fan through the relevant data acquisition module, and generates fan-related data; then, the test standard determination module determines the fan working requirements based on the fan-related data, and determines the matching test process of the current test fan according to the fan working requirements, thereby realizing the adaptive adjustment of the fan reliability test, so that the fan reliability test can be carried out without affecting the normal operation of the fan; then, the automatic test module is used to collect the operating data of the current test fan in real time, and based on the matching test process, it is judged whether the operating data of the current test fan meets the preset requirements corresponding to the matching test process, thereby realizing the automatic detection of the fan reliability; finally, the judgment result and test progress of the automatic test module are obtained through the test result output module, and the test output data is generated and sent to the associated display terminal for display, thereby ensuring that the fan detection result can be notified to the management personnel in time, and reminding the management personnel to repair the fan abnormality in time. The present invention automatically detects the reliability of the fan according to the wind force demand of the fan service equipment without affecting the normal operation of the fan, thereby improving the efficiency and intelligence of the fan reliability test, being conducive to timely discovering and repairing the hidden dangers of the fan operation and reminding the management personnel to repair and maintain the fan in time, thereby reducing the maintenance cost of the enterprise, extending the service life of the fan and reducing the energy consumption of the fan.

[0053] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures specifically pointed out in this application document.

[0054] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0055] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0056] Figure 1 A schematic diagram of a fully automatic test system for wind turbine reliability testing according to the present invention;

[0057] Figure 2 It is a schematic diagram of a test standard determination module of a fully automatic test system applied to wind turbine reliability test of the present invention;

[0058] Figure 3 It is a schematic diagram of an automatic test module of a fully automatic test system for wind turbine reliability test according to the present invention;

[0059] Figure 4 It is a schematic diagram of a test result output module of a fully automatic test system for wind turbine reliability test according to the present invention;

[0060] Figure 5 The present invention is a flow chart of a fully automatic testing method for wind turbine reliability testing. DETAILED DESCRIPTION

[0061] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0062] Embodiment 1:

[0063] The present invention provides a fully automatic test system for wind turbine reliability testing, such as Figure 1 As shown, including:

[0064] The relevant data acquisition module is used to collect the fan model and its corresponding application environment data corresponding to the current test fan, and generate fan related data;

[0065] A test standard determination module is used to determine the working requirements of the fan based on the relevant data of the fan, and determine the matching test process of the current test fan according to the working requirements of the fan;

[0066] The automatic test module is used to collect the operating data of the current test fan in real time, and based on the matching test process, determine whether the operating data of the current test fan meets the preset requirements corresponding to the matching test process;

[0067] The test result output module is used to obtain the judgment results and test progress of the automatic test module, generate test output data and send it to the associated display terminal for display.

[0068] The beneficial effects of the above technical solution are as follows: the present invention collects the fan model and its corresponding application environment data corresponding to the current test fan through the relevant data acquisition module to generate fan-related data; then, the test standard determination module determines the fan working requirements based on the fan-related data, and determines the matching test process of the current test fan according to the fan working requirements, thereby realizing the adaptive adjustment of the fan reliability test process, so that the fan reliability test can be carried out without affecting the normal operation of the fan; then, the automatic test module is used to collect the operating data of the current test fan in real time, and based on the matching test process, it is judged whether the operating data of the current test fan meets the preset requirements corresponding to the matching test process, thereby realizing automatic detection of the fan reliability; finally, the judgment result of the automatic test module and the test progress are obtained through the test result output module, and the test output data is generated and sent to the associated display terminal for display, thereby ensuring that the fan detection results can be notified to the management personnel in time, and reminding the management personnel to repair the fan abnormalities in time. The present invention automatically detects the reliability of the fan according to the wind force demand of the fan service equipment without affecting the normal operation of the fan, thereby improving the efficiency and intelligence of the fan reliability test, being conducive to timely discovering and repairing the hidden dangers of the fan operation and reminding the management personnel to repair and maintain the fan in time, thereby reducing the maintenance cost of the enterprise, extending the service life of the fan and reducing the energy consumption of the fan.

[0069] Embodiment 2:

[0070] Based on Example 1, the test standard determination module is as follows: Figure 2 As shown, including:

[0071] A work prediction unit is used to determine the equipment work flow of the current test wind turbine service equipment based on the wind turbine related data, determine and generate the corresponding wind power demand curve of the current test wind turbine service equipment at different working stages;

[0072] The standard determination unit is used to determine the working changes of the current test fan based on the equipment wind demand curve and the fan model of the current test fan, and generate a matching test process for the current test fan according to the fan working changes.

[0073] In this embodiment, the wind demand curve refers to a wind turbine prediction operating curve generated based on changes in wind power provided by the wind turbine in different operating stages (ie, different time periods) determined according to the operating arrangement of the current test wind turbine service equipment.

[0074] The beneficial effects of the above technical solution are as follows: the present invention determines the equipment working process of the current test fan service equipment based on the fan-related data through the working prediction unit, determines and generates the corresponding wind demand curve of the current test fan service equipment according to the different working stages, and then determines the working changes of the current test fan based on the equipment wind demand curve and the fan model of the current test fan through the standard determination unit. According to the working changes of the fan, a matching test process that does not affect the normal operation of the current test fan is generated, and at the same time, the adaptive adjustment of the fan reliability test process is also realized.

[0075] Embodiment 3:

[0076] On the basis of Embodiment 2, the test standard determination unit includes:

[0077] A data analysis unit, used to determine the predicted wind speed change of the current test wind turbine based on the equipment wind speed demand curve and the current ambient wind speed;

[0078] A fan operation prediction unit, used to determine the change of the operating parameters of the current test fan based on the predicted wind force change and the fan performance corresponding to the fan model of the current test fan;

[0079] The test process generation unit is used to generate parameter operating ranges for different time periods based on changes in the working parameters of the tested fan, and to generate a matching test process according to the changes in the parameter operating ranges.

[0080] In this embodiment, the predicted wind force change refers to the change in wind force generated by the national test wind turbines obtained by predicting the wind force provided by the current test wind turbine based on the equipment wind turbine demand curve combined with the current environmental wind force.

[0081] In this embodiment, the parameter operating range refers to the variation range of the fan operating parameters corresponding to the current test fan in each working stage, and different parameters correspond to different ranges.

[0082] The beneficial effects of the above technical solution are as follows: the present invention determines the predicted wind force change of the current test fan based on the equipment wind force demand curve and the current ambient wind force through the data analysis unit; then determines the change in the working parameters of the current test fan based on the predicted wind force change and the fan performance corresponding to the fan model of the current test fan through the fan working prediction unit; finally, the test process generation unit generates the parameter operating range for different time periods based on the change in the working parameters of the current test fan, and generates a matching test process according to the change in the parameter operating range, thereby realizing adaptive adjustment of the fan reliability detection process and effectively expanding the scope of application of the fan reliability testing method.

[0083] Embodiment 4:

[0084] Based on Example 1, the automatic test module, such as Figure 3 As shown, including:

[0085] A test data acquisition unit is used to collect the operating data of the current test fan in real time;

[0086] A test requirement determination unit, used to determine the test items of the current test fan and the expected operating state corresponding to the test items and the corresponding parameter operating range based on the matching test process, and determine the actual operating state of the current test fan based on the operating data;

[0087] Automatic test and analysis unit, used to compare the actual operation status with the expected operation status to determine whether the two are consistent;

[0088] If they are inconsistent, the current test fan abnormal operation test is judged to be unqualified;

[0089] If they are consistent, the actual operating parameters of the current test fan are obtained, and it is determined whether the current actual operating parameters are within the parameter operating range. If so, it is determined that the current test fan is operating normally and the test is qualified;

[0090] Otherwise, it is determined that the current test fan operation abnormality test fails.

[0091] The beneficial effects of the above technical solution are as follows: the present invention judges the operating status of the current test fan based on the operating data of the test fan according to the operating status and operating parameters of the current test fan, thereby realizing automatic detection of the fan reliability, overcoming the reliance on multiple experiences in manual detection, and improving the efficiency and accuracy of fan reliability detection.

[0092] Embodiment 5:

[0093] Based on Example 4, the automatic test analysis unit includes:

[0094] The performance degradation degree determination subunit is used to calculate the parameter error based on the actual operating parameters and the upper and lower limits of the corresponding parameter operating range when determining that the current test fan fails the abnormal operation test, and obtain the comprehensive error corresponding to all operating parameters based on the preset weights corresponding to each operating parameter;

[0095] Based on the comprehensive error, the performance degradation degree of the current test fan in the current working period is determined, and added to the test output data based on the performance degradation degree.

[0096] The beneficial effects of the above technical solution are as follows: when the present invention determines that the current test fan has failed the abnormal operation test through the performance degradation degree determination subunit, the parameter error is calculated based on the actual operating parameters and the upper and lower limits of the corresponding parameter operating range, and the comprehensive error corresponding to all the operating parameters is obtained based on the preset weights corresponding to each operating parameter; based on the comprehensive error, the performance degradation degree of the current test fan in the current working period is determined, and the performance degradation degree is added to the test output data, thereby realizing the calculation of the reliability degradation of the fan that failed the test, which can provide intuitive data for the detection of fan reliability and provide a basis for the administrator to judge the fan performance.

[0097] Embodiment 6:

[0098] Based on Example 3, the automatic test module, such as Figure 3 As shown, it also includes:

[0099] A fan sound detection unit is used to collect the fan working sound signal and synchronously obtain the standard fan working sound signal of the fan model corresponding to the current test fan;

[0100] Based on the actual operating parameters of the current fan, determine the speed difference between the current fan rotation speed and the rotation speed corresponding to the standard working sound of the fan, and determine the sound correction coefficient of the current fan according to the speed difference and the influence of the rotation speed on the cutting air sound;

[0101] Based on the sound correction coefficient and the standard fan working sound signal, a standard sound signal corresponding to the current operation of the current test fan is obtained;

[0102] Filtering the ambient noise signal of the fan working sound signal to obtain a filtered working sound signal;

[0103] Compare the standard sound signal with the filtering working sound signal. If there is no difference between the two, it is determined that the current test fan is working normally.

[0104] If there is a difference between the two, the filtering working sound signal is filtered based on the standard sound signal to obtain a difference signal;

[0105] And based on the preset sound separation model, the sound separation is performed on the corresponding difference signal to obtain multiple working noise signals;

[0106] The working noise signal is compared with a plurality of preset fan loose signals respectively. If any working noise signal is consistent with the preset fan loose signal, it is determined that there is a loose component in the current test fan.

[0107] Otherwise, it is determined that the current test fan has a suspected unknown abnormal noise.

[0108] In this embodiment, the environmental noise signal refers to all other sounds in the environment except for human voices and sounds of service equipment of the wind turbine being tested and the wind turbine itself.

[0109] The beneficial effects of the above technical solution: the present invention collects the fan working sound signal through the fan sound detection unit and synchronously obtains the standard fan working sound signal of the fan model corresponding to the current test fan; based on the actual operating parameters of the current fan, determines the speed difference between the current fan rotation speed and the rotation speed corresponding to the standard fan working sound, and determines the sound correction coefficient of the current fan according to the speed difference and the influence of the rotation speed on the cutting air sound; based on the sound correction coefficient and the standard fan working sound signal, obtains the standard sound signal corresponding to the current operation of the current test fan, and on the basis of the standard fan working sound signal, corrects the standard fan working sound signal according to the actual working condition of the current test fan, eliminating the problem of difference in fan working sound size caused by different fan rotation speeds, making the standard fan working sound signal more in line with the ideal working state of the actual working condition of the current test fan, providing a guarantee for the accuracy of the subsequent difference signal, and then filters the environmental noise signal of the fan working sound signal to obtain The filtered working sound signal can improve the accuracy of the comparison results between the standard sound signal and the filtered working sound signal, thereby providing the accuracy of locating the loose position of the fan. When there is no difference between the standard sound signal and the filtered working sound signal, it is determined that the current test fan is working normally; if there is a difference between the two, the filtered working sound signal is filtered based on the standard sound signal to obtain a difference signal; and the sound separation is performed on the difference signal based on the preset sound separation model to obtain multiple working noise signals; the working noise signal is compared with multiple preset fan loose signals respectively. If any working noise signal is consistent with the preset fan loose signal, it is determined that the current test fan has a loose component. Otherwise, it is determined that the current test fan has a suspected unknown abnormal sound, which achieves the purpose of locating the abnormal position of the fan through the working noise signal. While improving the intelligence of fan reliability detection, it can also effectively and timely discover fan abnormal problems, and notify management personnel to conduct operation and maintenance scheduling to repair the fan in time, thereby extending the service life of the fan and reducing the energy consumption of the fan.

[0110] Embodiment 7:

[0111] On the basis of Embodiment 6, the fan sound detection unit includes:

[0112] The noise signal acquisition subunit is used to collect non-fan working signals in the current test fan working environment to obtain real-time environmental noise signals.

[0113] The beneficial effects of the above technical solution are as follows: the non-fan working signals in the current test fan working environment are collected by the noise signal acquisition subunit to obtain real-time environmental noise signals, and the environmental noise filtering content can be changed according to the changes in the fan working environment, providing a basis for the accuracy of environmental noise filtering.

[0114] Embodiment 8:

[0115] Based on Example 1, the test result output module is as follows: Figure 4 As shown, including:

[0116] The output processing unit is used to mark the current output result as a red signal when the test result is judged to be unqualified;

[0117] Otherwise, mark the current output result as a green signal;

[0118] A test progress updating unit, used to determine the current test progress stage based on the matching test process and generate a corresponding test progress bar;

[0119] The result output unit is used to generate test output data based on the red signal or the green signal and the test progress bar, and send the test output data to the associated display terminal for display.

[0120] The beneficial effects of the above technical solution are as follows: the present invention performs color marking according to several corresponding test data results through the output processing unit, and determines the current test progress stage based on the matching test process through the test progress update unit, generates a corresponding test progress bar, and finally generates test output data based on the red signal or green signal and the test progress bar through the result output unit, and sends the test output data to the associated display terminal for display. While ensuring that the test results are notified to the management personnel, it can also assist the management personnel to quickly distinguish the quality of the fan test results, which is conducive to improving the management personnel's operation and maintenance scheduling and processing decision-making speed.

[0121] Embodiment 9:

[0122] Based on Example 6, the test result output module is as follows: Figure 4 As shown, including:

[0123] The abnormal warning unit is used to determine the loose position corresponding to the preset fan loose signal matching the working noise signal when it is determined that there is a loose component in the current test fan, generate a fan abnormal signal based on the loose position, and send it to the associated display terminal for display;

[0124] When the currently tested fan has an unknown abnormal noise, a suspected abnormal signal is generated and sent to the associated display terminal for display.

[0125] The beneficial effects of the above technical solution are as follows: when the abnormal warning unit determines that the current test fan has a loose component, the present invention determines the loose position corresponding to the preset fan loose signal that matches the working noise signal, generates a fan abnormal signal based on the loose position, and sends it to the associated display terminal for display; when the current test fan has an unknown abnormal sound, a suspected abnormal signal is generated and sent to the associated display terminal for display, and different types of abnormal notification signals are generated according to the confirmation of the cause of the fan abnormality, which is beneficial for the fan management personnel to dispatch the operation and maintenance personnel according to the cause of the abnormality, and generates an abnormal signal based on the determined abnormal position, which can assist the operation and maintenance personnel to quickly determine the abnormal position of the fan and improve the operation and maintenance efficiency of the fan.

[0126] Embodiment 10:

[0127] The present invention provides a fully automatic testing method for fan reliability testing, such as Figure 5 As shown, including:

[0128] Collect the fan model and its corresponding application environment data corresponding to the current test fan, and generate fan-related data;

[0129] Based on the relevant data of the fan, determine the working requirements of the fan, and according to the working requirements of the fan, determine the matching test process of the current test fan;

[0130] Collect the operating data of the current test fan in real time, and based on the matching test process, determine whether the operating data of the current test fan meets the preset requirements corresponding to the matching test process;

[0131] Obtain the judgment results and test progress of the automatic test module, generate test output data and send it to the associated display terminal for display.

[0132] The beneficial effects of the above technical solution are as follows: The present invention collects the fan model and its corresponding application environment data corresponding to the current test fan through the relevant data acquisition module to generate fan-related data; then, the test standard determination module determines the fan working requirements based on the fan-related data, and determines the matching test process of the current test fan according to the fan working requirements, thereby realizing the adaptive adjustment of the fan reliability test, so that the fan reliability test can be carried out without affecting the normal operation of the fan; then, the automatic test module is used to collect the operating data of the current test fan in real time, and based on the matching test process, it is judged whether the operating data of the current test fan meets the preset requirements corresponding to the matching test process, thereby realizing automatic detection of the fan reliability, and finally, the judgment result and test progress of the automatic test module are obtained through the test result output module, and the test output data is generated and sent to the associated display terminal for display, thereby ensuring that the fan detection results can be notified to the management personnel in time, reminding the management personnel to repair the fan abnormalities in time. The present invention automatically detects the reliability of the fan according to the wind force demand of the fan service equipment without affecting the normal operation of the fan, thereby improving the efficiency and intelligence of the fan reliability test, being conducive to timely discovering and repairing the hidden dangers of the fan operation and reminding the management personnel to repair and maintain the fan in time, thereby reducing the maintenance cost of the enterprise, extending the service life of the fan and reducing the energy consumption of the fan.

[0133] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A fully automatic test system for wind turbine reliability testing, characterized in that: include: The relevant data acquisition module is used to collect the fan model and its corresponding application environment data corresponding to the current test fan, and generate fan related data; A test standard determination module is used to determine the working requirements of the fan based on the relevant data of the fan, and determine the matching test process of the current test fan according to the working requirements of the fan; The automatic test module is used to collect the operating data of the current test fan in real time, and based on the matching test process, determine whether the operating data of the current test fan meets the preset requirements corresponding to the matching test process; The test result output module is used to obtain the judgment result and test progress of the automatic test module, generate test output data and send it to the associated display terminal for display; Among them, the test standard determination module includes: a work prediction unit and a standard determination unit; the work prediction unit is used to determine the equipment work flow of the current test fan service equipment based on the wind turbine related data, and determine the wind demand corresponding to the different working stages of the current test fan service equipment, and generate the corresponding equipment wind demand curve; the standard determination unit is used to determine the working changes of the current test fan based on the equipment wind demand curve and the fan model of the current test fan, and generate a matching test process for the current test fan according to the working changes of the fan; The standard determination unit includes: a data analysis unit, a fan operation prediction unit and a test process generation unit; the data analysis unit is used to determine the predicted wind force change of the current test fan based on the equipment wind force demand curve and the current environmental wind force; the fan operation prediction unit is used to determine the change in the working parameters of the current test fan based on the predicted wind force change and the fan performance corresponding to the fan model of the current test fan; the test process generation unit is used to generate parameter operating ranges for different time periods based on the changes in the working parameters of the current test fan, and generate a matching test process according to the changes in the parameter operating range.

2. A fully automatic test system for wind turbine reliability testing according to claim 1, characterized in that: Automatic testing modules, including: A test data acquisition unit is used to collect the operating data of the current test fan in real time; A test requirement determination unit is used to determine the test items of the current test fan and the expected operating state corresponding to the test items and the corresponding parameter operating range based on the matching test process, and determine the actual operating state of the current test fan based on the operating data; Automatic test and analysis unit, used to compare the actual operation status with the expected operation status to determine whether the two are consistent; If they are inconsistent, the current test fan abnormal operation test is judged to be unqualified; If they are consistent, the actual operating parameters of the current test fan are obtained, and it is determined whether the current actual operating parameters are within the parameter operating range. If so, it is determined that the current test fan is operating normally and the test is qualified; Otherwise, it is determined that the current test fan operation abnormality test fails.

3. A fully automatic test system for wind turbine reliability test according to claim 2, characterized in that: Automatic test and analysis unit, including: The performance degradation degree determination subunit is used to calculate the parameter error based on the actual operating parameters and the upper and lower limits of the corresponding parameter operating range when determining that the current test fan fails the abnormal operation test, and obtain the comprehensive error corresponding to all operating parameters based on the preset weights corresponding to each operating parameter; Based on the comprehensive error, the performance degradation degree of the current test fan in the current working period is determined, and added to the test output data based on the performance degradation degree.

4. A fully automatic test system for wind turbine reliability test according to claim 1, characterized in that: The automatic testing module also includes: A fan sound detection unit is used to collect the fan working sound signal and synchronously obtain the standard fan working sound signal of the fan model corresponding to the current test fan; Based on the actual operating parameters of the current fan, determine the speed difference between the current fan rotation speed and the rotation speed corresponding to the standard working sound of the fan, and determine the sound correction coefficient of the current fan according to the speed difference and the influence of the rotation speed on the cutting air sound; Based on the sound correction coefficient and the standard fan working sound signal, a standard sound signal corresponding to the current operation of the current test fan is obtained; Filtering the ambient noise signal of the fan working sound signal to obtain a filtered working sound signal; Compare the standard sound signal with the filtering working sound signal. If there is no difference between the two, it is determined that the current test fan is working normally. If there is a difference between the two, the filtering working sound signal is filtered based on the standard sound signal to obtain a difference signal; And based on the preset sound separation model, the sound separation is performed on the corresponding difference signal to obtain multiple working noise signals; The working noise signal is compared with a plurality of preset fan loose signals respectively. If any working noise signal is consistent with the preset fan loose signal, it is determined that there is a loose component in the current test fan. Otherwise, it is determined that the current test fan has a suspected unknown abnormal noise.

5. A fully automatic test system for wind turbine reliability test according to claim 4, characterized in that: Fan sound detection unit, including: The noise signal acquisition subunit is used to collect non-fan working signals in the current test fan working environment to obtain real-time environmental noise signals.

6. A fully automatic test system for wind turbine reliability test according to claim 1, characterized in that: Test result output module, including: The output processing unit is used to mark the current output result as a red signal when the test result is judged to be unqualified; Otherwise, mark the current output result as a green signal; A test progress updating unit, used to determine the current test progress stage based on the matching test process and generate a corresponding test progress bar; The result output unit is used to generate test output data based on the red signal or the green signal and the test progress bar, and send the test output data to the associated display terminal for display.

7. A fully automatic test system for wind turbine reliability test according to claim 4, characterized in that: Test result output module, including: The abnormal warning unit is used to determine the loose position corresponding to the preset fan loose signal matching the working noise signal when it is determined that there is a loose component in the current test fan, generate a fan abnormal signal based on the loose position, and send it to the associated display terminal for display; When the currently tested fan has an unknown abnormal noise, a suspected abnormal signal is generated and sent to the associated display terminal for display.

8. A fully automatic test method for wind turbine reliability testing, characterized in that: include: Collect the fan model and its corresponding application environment data corresponding to the current test fan, and generate fan-related data; Based on the relevant data of the fan, determine the working requirements of the fan, and according to the working requirements of the fan, determine the matching test process of the current test fan; Collect the operating data of the current test fan in real time, and based on the matching test process, determine whether the operating data of the current test fan meets the preset requirements corresponding to the matching test process; Obtain the judgment results and test progress of the automatic test module, generate test output data and send it to the associated display terminal for display; Among them, based on the relevant data of the fan, the working requirements of the fan are determined, and according to the working requirements of the fan, the matching test process of the current test fan is determined, including: Based on the wind turbine related data, determine the equipment workflow of the current test wind turbine service equipment, determine the wind power demand corresponding to different working stages of the current test wind turbine service equipment, and generate the corresponding equipment wind power demand curve; Based on the equipment wind demand curve and the fan model of the current test fan, determine the working changes of the current test fan, and generate a matching test process for the current test fan according to the working changes of the fan; Among them, based on the equipment wind demand curve and in combination with the fan model of the current test fan, the working change of the current test fan is determined, and according to the working change of the fan, a matching test process of the current test fan is generated, including: Based on the equipment wind demand curve and the current ambient wind speed, determine the predicted wind speed change of the current test wind turbine; Based on the predicted wind force change and the fan performance corresponding to the fan model of the current test fan, determine the change in the working parameters of the current test fan; Based on the changes in the working parameters of the tested fan, the parameter operating ranges for different time periods are generated, and according to the changes in the parameter operating ranges, a matching test process is generated.

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