CN210269162U - Wind power gear box test bed measurement and control system for simulating working conditions - Google Patents
Wind power gear box test bed measurement and control system for simulating working conditions Download PDFInfo
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- CN210269162U CN210269162U CN201920414706.0U CN201920414706U CN210269162U CN 210269162 U CN210269162 U CN 210269162U CN 201920414706 U CN201920414706 U CN 201920414706U CN 210269162 U CN210269162 U CN 210269162U
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Abstract
The utility model relates to a wind-powered electricity generation gear box test bench system of observing and controling of simulation operating mode, its characterized in that: the device comprises a driving motor, an accompanying test gear box, a main test gear box and a load motor which are connected in sequence; the data processing module comprises a PC and a measurement and control software functional module of a wind power gear box test bed in the PC; the motor control unit is electrically connected with the driving motor and the load motor respectively; the PC of the data processing module is connected with the motor control unit; the data acquisition device comprises a three-way vibration acceleration sensor, a temperature sensor, a pressure sensor, a microphone, a strain gauge, a torquemeter, a signal conditioning device and a data acquisition card; the data acquisition card is connected with a PC of the data processing module; also provided is a power supply module. The utility model discloses can realize the control of motor and to the collection and the analysis work of multiple performance parameter under same test platform, reduce testing arrangement cost and to experiment analyst's work load.
Description
Technical Field
The utility model relates to a system of observing and controling specifically is a system of observing and controlling of wind-powered electricity generation gear box test bench of simulated condition.
Background
Most of the existing wind power gear box test beds adopt a complete set of measurement and control systems to meet the requirements of collecting parameters such as control, rotating speed, torque, temperature, pressure and the like of a motor; a series of tests are required to verify in the process of developing the wind power gear box, such as loading tests, no-load tests and the like, the traditional test bed system cannot completely meet the requirements of the test projects, and other complete sets of test systems such as a vibration noise test system and a tooth root stress test system need to be supplemented. The multiple testing devices work simultaneously, the compatibility is poor, data analysis and comparison need be realized through multiple different software, and test analysts need to master the use, operation and analysis of the multiple testing devices simultaneously. The workload and the skill requirement of the test analyst are greatly increased, and the test cost is also greatly increased by purchasing a plurality of test devices.
Therefore, the prior art has the following disadvantages:
1: the system compatibility is poor, and the cost of the testing device is high;
2: the skill requirement of test analysts is high;
3: the analysis of the test data is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model provides a wind-powered electricity generation gear box test bench system of observing and controling of simulation operating mode, its aim at overcome the prior art defect, can be under same test platform, realize the control of motor and to the collection and the analysis work of multiple performance parameter, reduce testing arrangement cost and to experiment analyst's work load.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides a wind-powered electricity generation gear box test bench system of observing and controling of simulated condition which characterized in that:
the driving motor is connected with an accompanying test gear box high-speed shafting in an accompanying test gear box, the accompanying test gear box high-speed shafting, an accompanying test gear box intermediate-speed shafting, an accompanying test gear box low-speed shafting and an accompanying test gear box planetary gear train are sequentially connected, the accompanying test gear box planetary gear train is connected with a main test gear box planetary gear train in a main test gear box, the main test gear box planetary gear train, the main test gear box low-speed shafting, the main test gear box intermediate-speed shafting and the main test gear box high-speed shafting are sequentially connected, and the main test gear box high-speed shafting is;
the data processing module comprises a PC and a measurement and control software functional module of a wind power gear box test bed in the PC;
the motor control unit internally provided with the PLC module is respectively and electrically connected with the driving motor and the load motor; the PC of the data processing module is connected with the motor control unit;
the data acquisition device comprises a three-way vibration acceleration sensor, a temperature sensor, a pressure sensor, a microphone, a strain gauge, a torquemeter, a signal conditioning device and a data acquisition card;
the three-way vibration acceleration sensors are respectively fixed on a bearing of a high-speed shafting of the test-accompanying gear box, a bearing of a medium-speed shafting of the test-accompanying gear box, a bearing of a low-speed shafting of the test-accompanying gear box, a bearing of a planetary gear train of the main test gear box, a bearing of a low-speed shafting of the main test gear box, a bearing of the medium-speed shafting of the main test gear box and a bearing of the high-speed shafting;
the temperature sensors are arranged on a bearing of a high-speed shafting of the accompanying test gear box and a bearing of a high-speed shafting of the main test gear box, one temperature sensor is arranged in an oil pool in the accompanying test gear box, and the other temperature sensor is arranged in the oil pool of the main test gear box;
the pressure sensors are respectively arranged on the motor pump oil suction port and the oil way distributor of the accompanying gear box and the motor pump oil suction port and the oil way distributor of the main gear box;
the two microphones are respectively and correspondingly arranged outside the accompanying test gear box and the main test gear box;
the strain gauges are adhered to the tooth root of a sun gear and the tooth root of a gear ring of a planetary gear train of the test-accompanying gear box, and the tooth root of a sun gear and the tooth root of the gear ring of a planetary gear train of a main test gear box of the main test gear box;
the two torque meters are respectively arranged at the high-speed shaft of the auxiliary test gear box and the high-speed shaft of the main test gear box;
the three-dimensional vibration acceleration sensor, the temperature sensor, the pressure sensor, the microphone, the strain gauge and the torquemeter are respectively connected with a signal conditioning device, and the signal conditioning device is connected with a data acquisition card; the data acquisition card is connected with a PC of the data processing module;
the power supply module comprises a UPS (uninterrupted power supply) and a 24V power supply module, and the 24V power supply module is connected with the data acquisition device and supplies power; the UPS is connected with the PC of the data processing module and supplies power.
And the PC of the data processing module is connected with the motor control unit through an OPC protocol.
The data acquisition card is connected with the PC of the data processing module through an RS485 communication protocol.
The motor control unit comprises an S7300 PLC module, a frequency converter, an alternating current contactor, a time relay and a fuse, and the above components are connected into the motor control unit according to the prior art.
In addition, a plurality of three-way vibration acceleration sensors are respectively fixed at the corresponding positions of the gear ring of the planetary gear train of the test-accompanying gear box and the gear ring of the planetary gear train of the main test gear box through magnetic seats.
The pasting position of the strain gauge is that the tooth in 12, 2, 4, 6, 8 and 10 o 'clock directions are selected in the gear ring, and the tooth in 12, 3, 6 and 9 o' clock directions are selected in the sun gear.
The utility model has the advantages that:
the measurement and control system can carry out various test modes such as loading test, no-load test and the like, and realizes the control of starting and stopping, increasing and decreasing speed and positive and negative rotation of the driving and load motor; the wind power gear box performance parameter acquisition and analysis system integrates various sensors, can realize acquisition and analysis of various performance parameters of the wind power gear box under the same test platform, can use a measurement and control platform with rich software functions, can be freely configured by a data acquisition device, and has functionality and flexibility.
Description of the drawings:
FIG. 1 is a diagram of the structure of the data acquisition device of the present invention;
FIG. 2 is a structural diagram of a motor control unit of the present invention
FIG. 3 is a layout diagram of the measuring points of the machine body of the present invention;
fig. 4 is a diagram of the architecture of the software functional modules of the test system of the present invention.
The specific implementation mode is as follows:
the present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, 2, and 3:
the utility model discloses a wind-powered electricity generation gear box test bench system of observing and controling of simulation operating mode comprises test bench machinery body, motor control unit 6, data acquisition device 5 and data processing module 9, power module 7. The test bed mechanical body is an action object of the measurement and control system.
As shown in fig. 3:
the test bed machine body comprises a driving motor 1, an auxiliary test universal coupling 10, an auxiliary test gear box 2, a flange plate coupling 20, a main test gear box 3, a main test universal coupling 30 and a load motor 4, wherein a motor shaft of the driving motor 1 is connected with a high-speed shaft 211 of the auxiliary test gear box 2 through the auxiliary test universal coupling 10, the high-speed shaft 211 is connected with an auxiliary test gear box high-speed shaft system 21 in the auxiliary test gear box 2, the auxiliary test gear box high-speed shaft system 21 is connected with an auxiliary test gear box medium-speed shaft system 22, the auxiliary test gear box medium-speed shaft system 22 is connected with an auxiliary test gear box low-speed shaft system 23, the auxiliary test gear box low-speed shaft system 23 is connected with an auxiliary test gear box planetary gear train 24, the auxiliary test gear box planetary gear train 24 is connected with an input end in the main test gear box 3, namely a main test gear box planetary gear train 34, as an output end through the flange plate, the low-speed shafting 33 of the main test gear box is connected with the medium-speed shafting 32 of the main test gear box, the medium-speed shafting 32 of the main test gear box is connected with the high-speed shafting 31 of the main test gear box, the high-speed shafting 31 of the main test gear box is connected with the high-speed shaft 311 of the main test gear box 3 through the main test universal coupling 30, and the high-speed shaft 311 is connected with the motor shaft of the.
As shown in fig. 2:
the motor control unit 6 comprises an S7300 PLC module 61, a frequency converter 62, an ac contactor 63, a time relay 64 and a fuse 65, all of which are mounted in a control cabinet and connected as in the prior art to form a motor control unit.
The data processing module 9 comprises a PC (personal computer) 91 and a measurement and control software function module of a wind power gear box test bed in the PC 91, the measurement and control software function module of the wind power gear box test bed is developed based on a LabVIEW program development environment, the PC 91 of the data processing module 9 is connected with the motor control unit 6 through an OPC (OLE for process control) protocol, and the motor control unit 6 is respectively electrically connected with the driving motor 1 and the load motor 4 through a motor control cable 60 and realizes the control of starting and stopping, increasing and decreasing speed and forward and backward rotation of the driving motor 1 and the load motor 4.
The UPS uninterruptible power supply 72 in the power module 7 is connected to the PC 91 of the data processing module 9 and supplies power to the PC 91.
As shown in fig. 1 and 3:
the data acquisition device 5 comprises a three-way vibration acceleration sensor 51 (which measures horizontal, vertical and axial directions simultaneously), a temperature sensor 52, a pressure sensor 53, a microphone 54, a strain gauge 55, a torquemeter 56 (which can output torque signals and rotating speed signals), a signal conditioning device 57 and a data acquisition card 58.
The three-way vibration acceleration sensors 51 are fixed on a bearing of the high-speed shafting 21 of the test-accompanying gearbox, a bearing of the medium-speed shafting 22 of the test-accompanying gearbox, a bearing of the low-speed shafting 23 of the test-accompanying gearbox, a bearing of the planetary gear train 24 of the test-accompanying gearbox, a bearing of the planetary gear train 34 of the main test gearbox, a bearing of the low-speed shafting 33 of the main test gearbox, a bearing of the medium-speed shafting 32 of the main test gearbox and a bearing of the high-speed shafting 31 of the main test gearbox through magnetic seats, and the three-way vibration acceleration sensors 51 are also installed at corresponding positions of a gear ring 241 of the planetary gear train 24 of the test-accompanying gearbox 2 of the test-accompanying gearbox and a gear ring 341 of the planetary gear;
a plurality of temperature sensors 52 are arranged on a bearing of the high-speed shafting 21 of the accompanying test gear box and a bearing of the high-speed shafting 31 of the main test gear box, one temperature sensor 52 is arranged in an oil pool in the accompanying test gear box 2, the other temperature sensor 52 is arranged in an oil pool in the main test gear box 3, and the bearing temperature and the oil temperature under the simulated working condition are collected;
the pressure sensors 53 are respectively arranged on an oil suction port of the motor pump 25 of the accompanying gear box 2, an oil way distributor 26 of the accompanying gear box 2, an oil suction port of the motor pump 35 of the main gear box 3 and an oil way distributor 36 of the main gear box 3, and are used for measuring the oil suction pressure of the motor pump and the oil inlet pressure of the oil way distributor;
the two microphones 54 are arranged on the magnetic base and are respectively arranged at the radial positions 1 meter away from the auxiliary test gear box 2 and the main test gear box 3 and used for acquiring noise signals of the gear boxes under the simulation working condition;
the plurality of strain gauges 55 are adhered to the tooth root of the sun gear 231 and the tooth root of the ring gear 241 of the test-accompanying gearbox planetary gear train 24 of the test-accompanying gearbox 2, the tooth root of the sun gear 331 and the tooth root of the ring gear 341 of the main test gearbox 34 of the main test gearbox 3; wherein, the tooth ring selects the teeth in the directions of 12, 2, 4, 6, 8 and 10 o' clock as the pasting positions of the strain gauges 55, namely, one tooth ring is provided with 6 strain gauges 55 which are uniformly distributed on the circumference; the sun wheel selects teeth in 12, 3, 6 and 9 o' clock directions as the pasting positions of the strain gauges 55, namely, one sun wheel is provided with 4 strain gauges uniformly distributed on the circumference; the system is used for acquiring tooth root strain signals under a simulated working condition;
the two torquers 56 are arranged on the fixed support, are respectively arranged at the positions of the high-speed shaft 211 of the auxiliary test gear box 2 and the high-speed shaft 311 of the main test gear box 3, and are used for measuring the output torque and the rotating speed of the high-speed shaft 211 of the auxiliary test gear box 2 and the high-speed shaft 311 of the main test gear box 3;
the three-way vibration acceleration sensor 51, the temperature sensor 52, the pressure sensor 53, the microphone 54, the strain gauge 55 and the torquemeter 56 are respectively connected with a signal conditioning device 57, and the signal conditioning device 57 is connected with a data acquisition card 58 in the case; the data acquisition card 58 is connected with the PC 91 of the data processing module 9 through an RS485 communication protocol.
The power module 7 comprises a UPS (uninterrupted power supply) 72 and a 24V power module 71, and the 24V power module 71 supplies power to the data acquisition device 5; the UPS uninterruptible power supply 72 supplies power to the PC 91 of the data processing module 9.
Therefore, the measuring points of the three-way vibration acceleration sensor 51 of the utility model comprise a high-speed shafting, a medium-speed shafting, a low-speed shafting and a planetary gear train of the main test gear box 3 and the auxiliary test gear box 2; the measuring points of the temperature sensor 52 comprise a main test gear box 3 and a high-speed shafting front and rear bearing and an oil pool of an auxiliary test gear box 2; the measuring points of the pressure sensor 53 comprise an oil way distributor and a motor pump of the main test gear box 3 and the auxiliary test gear box 2; the measuring points of the microphone 54 comprise a main test gear box 3 and an auxiliary test gear box 2; the measuring points of the strain gauge 55 comprise the tooth roots of the sun gear and the gear ring of the main test gearbox 3 and the auxiliary test gearbox 2; the torque meter 56 is arranged on the high-speed shafts of the main test gearbox 3 and the auxiliary test gearbox 2 through a fixed bracket; the position of the measuring point of each acquisition parameter and the number of the measuring points can be adjusted according to the test requirement and the structure of the gearbox.
As shown in fig. 4:
the wind power gear box test bed measurement and control software functional module in the PC 91 of the data processing module 9 comprises a motor control module, a parameter setting module, a data acquisition module, an alarm module, a display storage module, a report module and a data analysis module.
The motor control module has the functions of controlling starting and stopping, speed increasing and decreasing and forward and reverse rotation of the driving motor 1 and the load motor 4;
the parameter setting module has the functions of calibrating the sensor, calibrating the system precision, setting sampling parameters and the like;
the data acquisition module reads the data conditioned by the signal conditioning device according to the acquisition parameters defined by the parameter setting module;
the acquired signals can be displayed in a waveform mode or directly displayed as numerical values in a display storage module, and can be kept in various data formats such as EXCEL, TDMS and the like;
the report module can automatically generate Excel, word or PDF format according to the data analysis process, and the report content comprises test object information, numerical statistics of test data, time-frequency domain spectrogram, waveform and the like;
the data analysis module comprises a physical parameter analysis module, a torque and rotating speed analysis module and a vibration noise analysis module, and the data analysis function comprises: various spectrum analysis functions such as trend comparison analysis, time domain analysis, frequency domain analysis, order tracking, envelope analysis, octave analysis and the like;
a special calculation and analysis module can calculate the stress distribution condition of the tooth root and the tooth direction load distribution coefficient KH β according to the strain signal;
after passing through the data acquisition module, each acquisition parameter directly enters the data analysis module to be analyzed and processed in real time, and also can carry out secondary processing on historical data;
the alarm module generates an alarm for the abnormal data.
The utility model discloses a measurement and control system can carry out multiple test forms such as loading test and no-load test, realizes the control to driving and load motor start-stop, speed-up and down, positive and negative rotation; the wind power gear box performance parameter acquisition and analysis system integrates various sensors, can realize acquisition and analysis of various performance parameters of the wind power gear box under the same test platform, can use a measurement and control platform with rich software functions, can be freely configured by a data acquisition device, and has functionality and flexibility.
The above-mentioned contents are to describe the preferred embodiment of the present invention, not to limit the idea and scope of the present invention, and without departing from the design concept of the present invention, various modifications and improvements made by the technical solutions of the present invention by the related engineers in the art should fall into the protection scope of the present invention, and the claimed technical contents of the present invention are all recorded in the claims.
Claims (6)
1. The utility model provides a wind-powered electricity generation gear box test bench system of observing and controling of simulated condition which characterized in that:
the driving motor is connected with an accompanying test gear box high-speed shafting in an accompanying test gear box, the accompanying test gear box high-speed shafting, an accompanying test gear box intermediate-speed shafting, an accompanying test gear box low-speed shafting and an accompanying test gear box planetary gear train are sequentially connected, the accompanying test gear box planetary gear train is connected with a main test gear box planetary gear train in a main test gear box, the main test gear box planetary gear train, the main test gear box low-speed shafting, the main test gear box intermediate-speed shafting and the main test gear box high-speed shafting are sequentially connected, and the main test gear box high-speed shafting is;
the data processing module comprises a PC and a measurement and control software functional module of a wind power gear box test bed in the PC;
the motor control unit internally provided with the PLC module is respectively and electrically connected with the driving motor and the load motor; the PC of the data processing module is connected with the motor control unit;
the data acquisition device comprises a three-way vibration acceleration sensor, a temperature sensor, a pressure sensor, a microphone, a strain gauge, a torquemeter, a signal conditioning device and a data acquisition card;
the three-way vibration acceleration sensors are respectively fixed on a bearing of a high-speed shafting of the test-accompanying gear box, a bearing of a medium-speed shafting of the test-accompanying gear box, a bearing of a low-speed shafting of the test-accompanying gear box, a bearing of a planetary gear train of the main test gear box, a bearing of a low-speed shafting of the main test gear box, a bearing of the medium-speed shafting of the main test gear box and a bearing of the high-speed shafting;
the temperature sensors are arranged on a bearing of a high-speed shafting of the accompanying test gear box and a bearing of a high-speed shafting of the main test gear box, one temperature sensor is arranged in an oil pool in the accompanying test gear box, and the other temperature sensor is arranged in the oil pool of the main test gear box;
the pressure sensors are respectively arranged on the motor pump oil suction port and the oil way distributor of the accompanying gear box and the motor pump oil suction port and the oil way distributor of the main gear box;
the two microphones are respectively and correspondingly arranged outside the accompanying test gear box and the main test gear box;
the strain gauges are adhered to the tooth root of a sun gear and the tooth root of a gear ring of a planetary gear train of the test-accompanying gear box, and the tooth root of a sun gear and the tooth root of the gear ring of a planetary gear train of a main test gear box of the main test gear box;
the two torque meters are respectively arranged at the high-speed shaft of the auxiliary test gear box and the high-speed shaft of the main test gear box;
the three-dimensional vibration acceleration sensor, the temperature sensor, the pressure sensor, the microphone, the strain gauge and the torquemeter are respectively connected with a signal conditioning device, and the signal conditioning device is connected with a data acquisition card; the data acquisition card is connected with a PC of the data processing module;
the power supply module comprises a UPS (uninterrupted power supply) and a 24V power supply module, and the 24V power supply module is connected with the data acquisition device and supplies power; the UPS is connected with the PC of the data processing module and supplies power.
2. The wind power gearbox test bed measurement and control system for simulating the working conditions according to claim 1, characterized in that: and the PC of the data processing module is connected with the motor control unit through an OPC protocol.
3. The wind power gearbox test bed measurement and control system for simulating the working conditions according to claim 1, characterized in that: the data acquisition card is connected with the PC of the data processing module through an RS485 communication protocol.
4. The wind power gearbox test bed measurement and control system for simulating the working conditions according to claim 1, characterized in that: the motor control unit comprises an S7300 PLC module, a frequency converter, an alternating current contactor, a time relay and a fuse, and the above components are connected into the motor control unit according to the prior art.
5. The wind power gearbox test bed measurement and control system for simulating the working conditions according to claim 1, characterized in that: in addition, a plurality of three-way vibration acceleration sensors are respectively fixed at the corresponding positions of the gear ring of the planetary gear train of the test-accompanying gear box and the gear ring of the planetary gear train of the main test gear box through magnetic seats.
6. The wind power gearbox test bed measurement and control system for simulating the working conditions according to claim 1, characterized in that: the pasting position of the strain gauge is that the tooth in 12, 2, 4, 6, 8 and 10 o 'clock directions are selected in the gear ring, and the tooth in 12, 3, 6 and 9 o' clock directions are selected in the sun gear.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111811814A (en) * | 2020-08-27 | 2020-10-23 | 北京航空航天大学 | Dynamic load testing method for composite planetary gear transmission mechanism with wet type gear shifting element |
| CN112595443A (en) * | 2020-11-27 | 2021-04-02 | 重庆大学 | Gear ring load distribution detection system and method |
| CN113357100A (en) * | 2021-06-22 | 2021-09-07 | 福建师范大学 | Simulation test bed for accelerated life and environmental corrosion of offshore wind power cluster gearbox and working method thereof |
| CN115326389A (en) * | 2022-08-15 | 2022-11-11 | 南京高精齿轮集团有限公司 | Planetary reduction gear reducer uniform load verification test system for shield tunneling machine and planetary reduction gear uneven load coefficient measuring method |
| CN115479770A (en) * | 2022-11-03 | 2022-12-16 | 中车山东风电有限公司 | Wind power coupling actual operation condition simulation test bed and test method |
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- 2019-03-29 CN CN201920414706.0U patent/CN210269162U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111811814A (en) * | 2020-08-27 | 2020-10-23 | 北京航空航天大学 | Dynamic load testing method for composite planetary gear transmission mechanism with wet type gear shifting element |
| CN112595443A (en) * | 2020-11-27 | 2021-04-02 | 重庆大学 | Gear ring load distribution detection system and method |
| CN113357100A (en) * | 2021-06-22 | 2021-09-07 | 福建师范大学 | Simulation test bed for accelerated life and environmental corrosion of offshore wind power cluster gearbox and working method thereof |
| CN113357100B (en) * | 2021-06-22 | 2023-05-09 | 福建师范大学 | Offshore wind power cluster gear box accelerated life and environmental corrosion simulation test bed and working method thereof |
| CN115326389A (en) * | 2022-08-15 | 2022-11-11 | 南京高精齿轮集团有限公司 | Planetary reduction gear reducer uniform load verification test system for shield tunneling machine and planetary reduction gear uneven load coefficient measuring method |
| CN115479770A (en) * | 2022-11-03 | 2022-12-16 | 中车山东风电有限公司 | Wind power coupling actual operation condition simulation test bed and test method |
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