CN111207204B - Online monitoring, early warning and disposal method for lubricating oil of gearbox of wind generating set - Google Patents
Online monitoring, early warning and disposal method for lubricating oil of gearbox of wind generating set Download PDFInfo
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- CN111207204B CN111207204B CN202010243006.7A CN202010243006A CN111207204B CN 111207204 B CN111207204 B CN 111207204B CN 202010243006 A CN202010243006 A CN 202010243006A CN 111207204 B CN111207204 B CN 111207204B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0405—Monitoring quality of lubricant or hydraulic fluids
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention discloses an online monitoring, early warning and disposal method for lubricating oil of a gearbox of a wind generating set, which comprises the following steps: s1, acquiring flow information and oil quality information of an oil inlet and an oil outlet of a gearbox on site through a sensor; s2, the field control processor processes the oil product information and then transmits the processed oil product information to the background processing server for storage through the Beidou short message communication module; and S3, the background processing server compares the acquired oil product information data with a standard database, corresponding treatment is carried out according to the result, the background server carries out remote intervention treatment, and if the fault cannot be eliminated, an operator on duty comprehensively pre-judges the fault and then carries out manual remote intervention. The invention can monitor the oil product information of the lubricating oil in the gearbox on line in a nondestructive mode and can transmit monitoring data to the background server in a Beidou short message mode. If the data is abnormal, the lubricating oil is kept in a proper state through remote intervention treatment, so that the performance of the gearbox is improved, and the service life is prolonged.
Description
Technical Field
The invention relates to the technical field of lubricating oil monitoring of wind generating sets, in particular to an online monitoring and early warning method for lubricating oil of a gearbox of a wind generating set.
Background
Wind energy is used as a renewable clean energy source and is mainly used for wind power generation at present, and a megawatt wind generating set is adopted to convert the wind energy into electric energy and transmit the electric energy to a power grid. The gearbox is used as a main transmission component of the wind generating set, and once a fault occurs and the wind generating set needs to be maintained by being taken off a rack, the gearbox has certain influence on the economic benefit of a wind field; the lubrication of the gearbox of the wind generating set plays an important role in the continuous and stable operation of the gearbox.
Because most wind fields are in remote zones, the temperature difference between day and night is large, the wind fields are influenced by environmental factors, the viscosity of lubricating oil is increased when the temperature is lower in winter, the lubricating part of a gear box can not be fully lubricated easily, and the phenomena of pitting, gluing and abrasion of a meshing surface, a bearing rolling body and a seat ring can be caused after long-term operation; when the temperature is too high in summer, if the heat dissipation of the gear box is poor, the temperature of oil products in the gear box rises quickly, according to the principle of a thermal equilibrium state, a thermodynamic system tends to be in thermal equilibrium after a long time under the condition of no external influence, and the viscosity of lubricating oil is reduced, so that an oil film on a meshing tooth surface is not formed, the tooth surface is easy to generate pitting and gluing phenomena, and the gear box of the wind generating set is easy to damage due to the reasons, and the service life is relatively short. Besides the influence of the oil temperature, the cleanliness of oil products is also an important index influencing the gearbox. Therefore, various parameters of the lubricating oil need to be monitored and maintained later, so that the gear box can work in a proper working environment, and the service life of the gear box is prolonged. The existing monitoring mode is manual inspection, time is consumed, and the working strength is high. The wind field monitoring system is also provided with a sensor for monitoring, but the geographical environment of the wind field generally has no network signal or has poor signal, monitoring data cannot be transmitted out quickly, and inconvenience is brought to later maintenance.
Disclosure of Invention
The invention aims to provide an online monitoring, early warning and disposal method for lubricating oil of a gearbox of a wind generating set.
In order to achieve the purpose, the invention adopts the technical scheme that: the method comprises the following steps: s1, collecting oil information of an oil inlet and an oil outlet of a gearbox on site through an oil quality online monitor, wherein the oil information comprises the temperature, pressure, oil viscosity, water content, dielectric constant and parameter information of magnetic abrasive particles of lubricating oil; s2, the field control processor processes the collected oil product information of the oil inlet and the oil outlet of the gearbox and then transmits the processed oil product information to the background processing server through the Beidou short message communication module, and the background processing server stores the oil product information data; s3, the background processing server compares the collected oil product information data with a standard database built in the background processing server, and if the collected oil product information data is abnormal, corresponding processing is carried out: if the oil temperature is abnormal, a control instruction for adjusting the oil temperature is sent to the field control processor through the Beidou short message system, the field control processor controls a lubricating oil heater or a radiator to work according to the control instruction for adjusting the temperature, and the oil temperature is adjusted to be in a standard oil temperature interval; if the pressure data is abnormal, a control instruction for adjusting the oil pressure is sent to the field control processor through the Beidou short message system, and the field control processor controls and adjusts the working frequency of the oil pump according to the control instruction for adjusting the temperature so that the oil pressure returns to the standard oil temperature interval; if the oil temperature is abnormal and the oil pressure is abnormal and cannot return to a background server of normal data after being processed by a remote automatic intervention process, an alarm signal is sent to an attendant, the attendant receives the alarm signal, comprehensively pre-judges the fault, performs manual remote intervention, and sends a control instruction, if the manual intervention cannot eliminate the fault and the lubricating oil needs to be replaced, fault maintenance information is sent to field maintenance personnel in a fault area through one or more of Beidou short messages, short messages and WeChat, and the field maintenance personnel arrive at the field to perform maintenance; and if the prompt is that the lubricating oil needs to be replaced, the background server sends maintenance information of replacing the lubricating oil to field workers.
Further, in the step S3, the alarm signal sent by the background server to the attendant is one or more of a WeChat, a nail, a short message, and an intelligent voice call.
Further, the maintenance information sent to the maintenance staff in step S3 includes: fault point position information, fault pre-judging results, oil product information acquired on site and standard threshold values of abnormal data.
Further, in step S3, the background processing server further highlights the abnormal data on a display screen of the control room and a display screen of a worker on duty. And an audible and visual alarm is also arranged in the control room, and is automatically started when the background processing server receives abnormal data to prompt a person on duty to process.
Further, the online oil quality monitor comprises a main oil inlet pipe and a main oil outlet pipe, wherein four independent branch pipelines are connected and arranged between the main oil inlet pipe and the main oil outlet pipe, a monitoring chamber is arranged on the main oil inlet pipe, the main oil outlet pipe and each branch pipeline, oil viscosity sensors, water sensors, oil quality sensors and abrasive particle monitoring sensors are respectively installed in the monitoring chambers on the four branch pipelines, electromagnetic valves are respectively connected to the inlets and the outlets of the monitoring chambers of the four branch pipelines, temperature sensors and pressure sensors are respectively installed on the main oil inlet pipe and the main oil outlet pipe, and the oil viscosity sensors, the water sensors, the oil quality sensors, the abrasive particle monitoring sensors, the temperature sensors, the pressure sensors and the electromagnetic valves are respectively connected with the field controller. The monitoring chamber comprises a shell base with an upper opening and a sealing cover used for installing a corresponding sensor, and the sealing cover is connected with the shell base in a sealing mode.
The invention has the beneficial effects that: by adopting the method, the oil product information of the lubricating oil in the gear box of the wind generating set can be monitored on line in a nondestructive mode, the monitoring data can be transmitted to the background server in a Beidou short message mode, and meanwhile, the remote intervention control is realized by utilizing the Beidou short message bidirectional communication function, so that the lubricating oil is kept in a proper state, the performance of the gear box is improved, and the service life is prolonged. Through the mode of automatic intervention before manual processing, the manual working strength can be reduced, and the timely processing of faults can be ensured.
In addition, all set up monitoring oil information through the exit at gear box lubricating oil, the monitoring data of import department can judge whether up to standard the lubricating oil that gets into the gear box, and the monitoring data of exit can judge information such as gear wear in the gear box, helps the later maintenance of gear box.
Drawings
FIG. 1 is a schematic flow chart of the method of the present invention.
Fig. 2 is a block diagram of an online monitoring and early warning disposal system employed in the present invention.
FIG. 3 is a schematic view of the oil quality on-line monitor according to the present invention.
Fig. 4 is a schematic structural view of the first monitoring chamber of the oil quality on-line monitor of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in figure 1, the invention discloses an online monitoring, early warning and disposal method for lubricating oil of a gearbox of a wind generating set, which utilizes an online monitoring, early warning and disposal system, as shown in figure 2, the online monitoring, early warning and disposal system comprises an on-site controller 1, a Beidou short message communication module 2, an oil quality online monitor 3, a background server 5 in communication connection with a Beidou system 4 and a control terminal 6 connected with the server through a network. Wherein, the oil quality on-line monitoring ware 3 is equipped with two, installs respectively on the business turn over hydraulic fluid port of wind generating set gear box. The site controller is connected with a heater 7 for heating the lubricating oil, a radiator 8 for cooling the lubricating oil, and a circulating oil pump 9 for adjusting the oil pressure. The field controller 1 is a PLC controller or a single chip controller or an integrated circuit control panel. The control terminal 6 is one or more of a mobile phone, a tablet computer, a personal computer and an industrial personal computer.
As shown in fig. 1, the specific online monitoring, early warning and disposal method for the lubricating oil of the gearbox of the wind generating set comprises the following steps:
s1, oil product information of an oil inlet and an oil outlet of a gearbox is collected on site through an oil product quality online monitor, wherein the oil product information comprises the temperature, pressure, oil viscosity, water content, dielectric constant and parameter information of magnetic abrasive particles of lubricating oil.
S2, the field control processor processes the collected oil information of the oil inlet and the oil outlet of the gearbox and then transmits the processed oil information to the background processing server through the Beidou short message communication module, and the background processing server stores the oil information data.
And S3, the background processing server compares the collected oil product information data with a standard database built in the background processing server, and if the collected oil product information data is abnormal, corresponding processing is carried out.
1. If the oil temperature is abnormal, a control instruction for adjusting the oil temperature is sent to the field control processor through the Beidou short message system, the field control processor controls a heater or a radiator of lubricating oil to work according to the control instruction for adjusting the temperature, and the oil temperature is adjusted to be within a standard oil temperature interval.
2. If the pressure data is abnormal, a control instruction for adjusting the oil pressure is sent to the field control processor through the Beidou short message system, and the field control processor controls the working frequency of the circulating oil pump according to the control instruction for adjusting the temperature, so that the oil pressure returns to the standard oil temperature interval.
3. If the oil temperature is abnormal and the oil pressure is abnormal and cannot return to a background server of normal data after being processed by a remote automatic intervention process, an alarm signal is sent to an attendant, the attendant receives the alarm signal, comprehensively pre-judges the fault, performs manual remote intervention, sends a control instruction, if the manual intervention is not successful in eliminating the fault and the lubricating oil needs to be replaced, sends fault maintenance information to field maintenance personnel in a fault area through one or more of Beidou short messages, short messages and WeChat, and the field maintenance personnel arrive at the field to perform maintenance.
4. And if the quality of the lubricating oil does not reach the standard, prompting that the lubricating oil needs to be replaced, and sending maintenance information of replacing the lubricating oil to field workers by the background server.
Further, in the step S3, the alarm signal sent by the background server to the attendant is one or more of a WeChat, a nail, a short message, and an intelligent voice call. The maintenance information sent to the maintenance staff in the step S3 includes: fault point position information, fault prejudgment results, oil product information acquired on site and standard threshold values of abnormal data.
Further, in step S3, the background processing server further highlights the abnormal data on a control room display screen and a watch employee display screen. And an audible and visual alarm is also arranged in the control room, and is automatically started when the background processing server receives abnormal data to prompt a person on duty to process.
In addition, the oil quality on-line monitor 3 of the present invention can adopt a corresponding detection sensor in the prior art. However, in order to improve the detection accuracy, the oil quality online monitor 3 may adopt a structure, specifically, as shown in fig. 3 and 4, the oil quality online monitor 3 includes a main oil inlet pipe 31 and a main oil outlet pipe 32, four independent branch pipes 33, 34, 35, and 36 are connected between the main oil inlet pipe 31 and the main oil outlet pipe 32, and a first monitoring chamber 311, a second monitoring chamber 321, a third monitoring chamber 331, a fourth monitoring chamber 341, a fifth monitoring chamber 351, and a sixth monitoring chamber 361 are respectively disposed on the main oil inlet pipe 31, the main oil outlet pipe 32, and the four branch pipes 33, 34, 35, and 36. The first monitoring chamber 311, the second monitoring chamber 321, the third monitoring chamber 331, the fourth monitoring chamber 341, the fifth monitoring chamber 351, and the sixth monitoring chamber 361 are respectively provided with a temperature sensor 312, a pressure sensor 322, an oil viscosity sensor 332, a moisture sensor 342, a dielectric constant sensor 352, and an abrasive particle monitoring sensor 362, and the inlet and outlet of the monitoring chambers of the four branch pipes are respectively connected with a solenoid valve 37. The temperature sensor 312, the pressure sensor 322, the oil viscosity sensor 332, the moisture sensor 342, the dielectric constant sensor 352, the abrasive grain monitoring sensor 362 and the solenoid valve 37 are connected to the site controller 1, respectively.
Specifically, the working process of the oil quality online monitor 3 is as follows: when the collection work is carried out, the 4 branch pipelines are sequentially and independently collected, and the electromagnetic valves on the corresponding branch pipelines are in a closed state in the collection process. Specifically, when the oil viscosity sensor 332 works, the electromagnetic valve on the first branch pipe is closed, and the electromagnetic valves corresponding to the other three branch pipes are all opened. And when the oil viscosity sensor 332 finishes collecting, opening the corresponding electromagnetic valve. Then, the electromagnetic valve on the second branch pipe is closed, the moisture sensor 342 works to collect the water content of the lubricating liquid, and the corresponding electromagnetic valve is opened after the water content is collected. Then, the solenoid valve on the third branch pipe is closed, the dielectric constant sensor 352 works to collect data, and the corresponding solenoid valve is opened after data collection is completed. And finally, closing the electromagnetic valve on the fourth branch pipeline, enabling the dielectric constant sensor 352 to work to acquire data, and closing the corresponding electromagnetic valve after the data is acquired. And the process is circulated. Therefore, the lubricating liquid flowing through the branch pipeline can be intercepted, so that the oil viscosity sensor 332, the water content sensor 342, the dielectric constant sensor 352 and the abrasive particle monitoring sensor 362 can respectively detect when the lubricating liquid is in a static state, and accurate data can be acquired.
Further, the first monitoring chamber 311, the second monitoring chamber 321, the third monitoring chamber 331, the fourth monitoring chamber 341, the fifth monitoring chamber 351, and the sixth monitoring chamber 361 have the same configuration. The specific structure of the first monitoring chamber 311 is described below, and as shown in fig. 3, the first monitoring chamber 311 includes a housing base 41 having an upper opening and a cover 42 for mounting the temperature sensor 312, and the housing base 41 is provided with an oil inlet 411 and an oil outlet 412. The cover 42 is screwed to the housing base 41, and a seal ring 43 is provided between the cover 42 and the housing base 41. In addition, quick-connection joints 30 are mounted on the inlet of the main oil inlet pipe 31 and the outlet of the main oil outlet pipe 32. The butt joint with a lubricating oil circulating pipeline is convenient.
So, through adopting the oil quality on-line monitoring ware 3 of above-mentioned structure, can seal the branch pipeline of monitoring room through the solenoid valve, so can be in the accuracy of detecting result at lubricating oil under the static state.
The above description is only for the purpose of illustrating the technical solutions of the present invention, and those skilled in the art can make simple modifications or equivalent substitutions on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. The on-line monitoring, early warning and disposal method for the lubricating oil of the gearbox of the wind generating set is characterized by comprising the following steps of: the method comprises the following steps:
s1, collecting oil product information of an oil inlet and an oil outlet of a gearbox on site through an oil product quality online monitor, wherein the oil product information comprises the temperature, pressure, oil viscosity, water content, dielectric constant and parameter information of magnetic abrasive particles of lubricating oil;
s2, the field control processor processes the collected oil product information of the oil inlet and the oil outlet of the gearbox and then transmits the processed oil product information to the background processing server through the Beidou short message communication module, and the background processing server stores the oil product information data;
s3, the background processing server compares the collected oil product information data with a standard database built in the background processing server, and if the collected oil product information data is abnormal, corresponding processing is carried out: if the oil temperature is abnormal, sending a control instruction for adjusting the oil temperature to the field control processor through the Beidou short message system, controlling the lubricating oil heater or the radiator to work by the field control processor according to the control instruction for adjusting the temperature, and adjusting the oil temperature to be in a standard oil temperature interval;
if the pressure data is abnormal, a control instruction for adjusting the oil pressure is sent to the field control processor through the Beidou short message system, and the field control processor controls and adjusts the working frequency of the oil pump according to the control instruction for adjusting the temperature so that the oil pressure returns to the standard oil temperature interval;
if the oil temperature is abnormal and the oil pressure is abnormal and cannot return to a background server of normal data after being processed by a remote automatic intervention flow, an alarm signal is sent to an attendant, the attendant receives the alarm signal, comprehensively pre-judges the fault, firstly carries out manual remote intervention, sends a control instruction, if the fault cannot be eliminated after manual intervention and the lubricating oil needs to be replaced, sends fault maintenance information to field maintenance personnel in a fault area through one or more of Beidou short messages, short messages and WeChat, and the field maintenance personnel arrive at the field to carry out maintenance;
and if the prompt is that the lubricating oil needs to be replaced, the background server sends maintenance information of replacing the lubricating oil to field workers.
2. The on-line monitoring, early warning and disposal method for the lubricating oil of the gearbox of the wind generating set according to claim 1, characterized by comprising the following steps of: in the step S3, the alarm signal sent by the background server to the attendant is one or more of WeChat, nail, short message and intelligent voice telephone.
3. The on-line monitoring, early warning and disposal method for the lubricating oil of the gearbox of the wind generating set according to claim 1, characterized by comprising the following steps of: the maintenance information sent to the maintenance staff in the step S3 includes: fault point position information, fault pre-judging results, oil product information acquired on site and standard threshold values of abnormal data.
4. The on-line monitoring, early warning and disposal method for the lubricating oil of the gearbox of the wind generating set according to claim 1, characterized in that: in the step S3, the background processing server further highlights the abnormal data on a display screen of the control room and a display screen of a worker on duty.
5. The on-line monitoring, early warning and disposal method for the lubricating oil of the gearbox of the wind generating set according to claim 4, characterized by comprising the following steps of: and an audible and visual alarm is also arranged in the control room, and is automatically started when the background processing server receives abnormal data to prompt a person on duty to process.
6. The on-line monitoring, early warning and disposal method for the lubricating oil of the gearbox of the wind generating set according to any one of claims 1 to 5, characterized by comprising the following steps of: oil quality on-line monitoring ware includes that the owner advances oil pipe and main oil pipe, the owner advances to be equipped with four independent branch pipelines between oil pipe and the main oil pipe, advance oil pipe in the owner, all be equipped with a monitoring room on main oil pipe and every branch pipeline, install fluid viscosity sensor in the monitoring room on four branch pipelines respectively, moisture sensor, oil sensor and grit monitoring sensor, still be connected with a solenoid valve respectively on the exit of the monitoring room of four branch pipelines, install temperature sensor and pressure sensor on main oil pipe and the main oil pipe of advancing respectively, fluid viscosity sensor, moisture sensor, oil sensor, grit monitoring sensor, temperature sensor, pressure sensor and solenoid valve respectively with the field control treater links to each other.
7. The on-line monitoring, early warning and disposal method for the lubricating oil of the gearbox of the wind generating set according to claim 6, characterized by comprising the following steps of: the monitoring chamber comprises a shell seat with an upper opening and a sealing cover used for installing a corresponding sensor, and the sealing cover is connected with the shell seat in a sealing mode.
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| CN112049921B (en) * | 2020-07-31 | 2021-06-22 | 江苏国茂减速机股份有限公司 | Speed reducer maintenance equipment and method based on Internet of things |
| CN112460461A (en) * | 2020-11-25 | 2021-03-09 | 广州机械科学研究院有限公司 | Intelligent early warning and troubleshooting system for abnormal faults of mechanical equipment lubricating system |
| CN113110349B (en) * | 2021-04-27 | 2022-03-25 | 湖南省水利投地方电力有限公司 | Display and control device for hydroelectric generating set of hydropower station |
| CN113138265A (en) * | 2021-04-28 | 2021-07-20 | 景能科技有限公司 | On-site detection device and method for oil product of gearbox |
| CN113514245A (en) * | 2021-07-12 | 2021-10-19 | 河南中烟工业有限责任公司 | Integrated monitoring device for forced lubrication system of cigarette making machine |
| CN113894365B (en) * | 2021-10-19 | 2023-03-21 | 南京工业大学 | Online fault detection system of numerical control gear milling machine spindle box |
| CN114198491B (en) * | 2021-11-15 | 2024-04-09 | 重庆海装风电工程技术有限公司 | Monitoring method and system based on lubricating oil and electronic equipment |
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| CN201381952Y (en) * | 2009-04-30 | 2010-01-13 | 哈尔滨哈飞工业有限责任公司 | Wind turbine generator system gear box lubricating system |
| US20120241258A1 (en) * | 2011-03-23 | 2012-09-27 | Pradip Radhakrishnan Subramaniam | Lubricant supply system and method for controlling gearbox lubrication |
| CN203673317U (en) * | 2013-12-12 | 2014-06-25 | 神华集团有限责任公司 | Fan condition monitoring system |
| CN108693335A (en) * | 2017-04-06 | 2018-10-23 | 北京至感传感器技术研究院有限公司 | Wind turbines lubricating oil on-line monitoring system |
| CN109358180A (en) * | 2018-09-08 | 2019-02-19 | 吉睿智控科技（天津）有限公司 | Wind turbines lubricating oil on-line monitoring system and monitoring method |
| CN109580216A (en) * | 2019-02-15 | 2019-04-05 | 国电联合动力技术有限公司 | The intelligent trouble early warning system and its method and unit of gearbox lubrication cooling system |
| CN110285964B (en) * | 2019-08-01 | 2021-07-13 | 河海大学常州校区 | Online oil monitoring system for gearbox of wind driven generator |
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