CN219452845U - Fan gear box oil on-line monitoring fault early warning device - Google Patents
Fan gear box oil on-line monitoring fault early warning device Download PDFInfo
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- CN219452845U CN219452845U CN202320905021.2U CN202320905021U CN219452845U CN 219452845 U CN219452845 U CN 219452845U CN 202320905021 U CN202320905021 U CN 202320905021U CN 219452845 U CN219452845 U CN 219452845U
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
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- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses a fan gear box oil on-line monitoring fault early warning device, which is used in the technical field of fault early warning and comprises the following components: the sensor group is arranged on the monitoring loop; the sensor group comprises a vibration sensor, a noise sensor, a displacement sensor and an oil liquid quality sensor group, wherein the vibration sensor, the noise sensor, the displacement sensor and the oil liquid quality sensor are connected with an input interface of a data acquisition card through a data transmission line, and an output interface of the data acquisition card is connected with the central processing unit through a data transmission line; the output port of the central processing unit is electrically connected with the alarm device. According to the utility model, through increasing the real-time monitoring of parameters such as the concentration, the moisture, the viscosity, the pressure, the temperature, the dielectric constant and the like of the oil abrasive particles, the related information about the abrasion state of the gear box can be obtained, and the vibration information, the noise information and the displacement information of the output shaft are combined to provide a basis for fault early warning of the fan gear box, so that fault hidden danger can be found in time, and the accuracy of fault early warning is ensured.
Description
Technical Field
The utility model relates to the technical field of fault early warning, in particular to a fan gear box oil on-line monitoring fault early warning device.
Background
Early warning is carried out on fan faults, and the physical condition similar to a human body can be reflected by pathological indexes in blood. And the real-time analysis and trend analysis of the monitoring data can discover potential fault hidden trouble of the equipment in advance, optimize equipment maintenance plan and reduce the occurrence probability of major faults of the equipment. The state monitoring of key oil equipment is realized through oil monitoring and becomes a new direction in the field of equipment state monitoring, and in general, equipment state monitoring based on oil monitoring can locate equipment fault hidden danger earlier and more comprehensively, so that maintenance and fault cost is reduced.
Abnormality of a gear box lubrication cooling system is one of main fault reasons in the wind field operation process, however, monitoring means for abnormality of the gear box lubrication cooling system in operation are limited at present. The main stream products all use a pressure sensor, a pressure switch, a pressure difference switch or two pressure sensors and a pressure difference switch, and can only send out alarm or stop signals when the lubricating and cooling system itself has pressure faults, and early warning can not be carried out in the early stage of the faults, namely, whether faults occur or not is judged by utilizing a single signal, and the faults are inaccurate and possibly serious.
The gear box inevitably has abrasion phenomenon along with long-time running of the fan, so that abrasion particles appear in the gear box lubricating oil, the concentration of the abrasion particles continuously rises over time, the performance of the gear box is reduced due to the change of moisture, viscosity and the like in the lubricating oil until the lubricating oil fails, and serious faults such as machine unit shutdown and the like occur, so that the operation benefit of the wind power plant is influenced. Therefore, the lubrication oil carries a lot of information about the operation state of the gear box, potential faults can be found early through monitoring of the oil state by a monitoring technology, serious faults of the gear box are avoided, the operation and maintenance cost of the fan is effectively reduced, and the operation benefit of a wind power plant is improved.
Therefore, how to provide a fan gear box oil on-line monitoring fault early warning device which can increase oil detection and ensure accurate fault early warning is a technical problem which needs to be solved by the technicians in the field.
Disclosure of Invention
In view of the above, the utility model provides an on-line monitoring fault early warning device for oil in a fan gear box, which aims to prevent serious faults of a fan unit from causing significant loss caused by unit shutdown, and can obtain relevant information about the abrasion state of the gear box by adding the real-time monitoring of parameters such as the concentration of oil abrasive particles, moisture, viscosity, pressure, temperature, dielectric constant and the like, and provide basis for fault early warning of the fan gear box by combining vibration information, noise information and displacement information of an output shaft, so that fault hidden danger can be found in time, and the accuracy of fault early warning is ensured.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
an online monitoring fault early warning device for fan gear box oil liquid comprises:
the sensor group is arranged on the monitoring loop; the sensor group comprises a vibration sensor, a noise sensor, a displacement sensor and an oil quality sensor group, wherein the vibration sensor is arranged on a bearing seat of the gear box and used for acquiring a vibration signal; the noise sensor is arranged on the gear box and used for acquiring a noise signal of the gear box; the displacement sensor is arranged on an output shaft of the gear box and used for acquiring output radial and axial displacement signals; the oil liquid quality sensor is arranged in the oil liquid of the gear box and used for acquiring an oil liquid quality signal;
the vibration sensor, the noise sensor, the displacement sensor and the oil liquid quality sensor are connected with an input interface of a data acquisition card through a data transmission line, and an output interface of the data acquisition card is connected with a central processing unit through a data transmission line;
and an output port of the central processing unit is electrically connected with the alarm device.
Preferably, in the on-line monitoring fault early warning device for oil in a fan gear box, the monitoring loop comprises a main oil inlet pipe and a main oil outlet pipe, six independent branch pipes are connected between the main oil inlet pipe and the main oil outlet pipe, and each branch pipe is provided with a monitoring chamber for installing a sensor.
Preferably, in the foregoing fan gear box oil on-line monitoring fault early warning device, the oil quality sensor group includes: the oil viscosity sensor, the moisture sensor, the dielectric constant sensor, the abrasive grain monitoring sensor, the temperature sensor and the pressure sensor, wherein the oil viscosity sensor, the moisture sensor, the dielectric constant sensor, the abrasive grain monitoring sensor, the temperature sensor and the pressure sensor are respectively arranged in the monitoring chamber of each branch pipeline, and the oil viscosity sensor, the moisture sensor, the dielectric constant sensor, the abrasive grain monitoring sensor, the temperature sensor and the pressure sensor are electrically connected with the central processing unit.
Preferably, in the foregoing fan gear box oil on-line monitoring fault early warning device, the abrasive particle monitoring sensor is an ANALEXrs electromagnetic on-line abrasive particle sensor, and is installed on the first branch pipe of the wind power gear box oil monitoring loop, and is used for monitoring and counting iron or nonferrous particles in oil, providing size and form distribution information of the particles, and outputting an alarm signal through the central processing unit.
Preferably, in the on-line monitoring fault early warning device for oil in a fan gear box, the moisture sensor is installed on a second branch pipeline of an oil monitoring loop of the wind power gear box and is used for monitoring the moisture content in the oil.
Preferably, in the on-line monitoring fault early warning device for oil in a fan gear box, the oil viscosity sensor is a jcv.1000 viscosity sensor, and is installed on a third branch pipe of an oil monitoring loop of a wind power gear box and used for monitoring oil viscosity.
Preferably, in the on-line monitoring fault early warning device for oil in a fan gear box, the pressure sensor adopts an HDA4400 series pressure sensor, is arranged on a fourth branch pipe of an oil monitoring loop of the wind power gear box, and is used for monitoring oil pressure in the wind power gear box.
Preferably, in the on-line monitoring fault early warning device for oil in a fan gear box, the temperature sensor is a PT100 patch temperature sensor, is installed on a fifth branch pipe of an oil monitoring loop of the wind power gear box, is connected into the loop oil, and is used for monitoring the oil temperature.
Preferably, in the on-line monitoring and fault early warning device for oil in a fan gear box, the dielectric constant sensor is a JCQ-1624-T dielectric constant sensor, and is installed on a sixth branch pipe of an oil monitoring loop of the wind power gear box, and is used for monitoring the dielectric constant of oil.
Preferably, in the above-mentioned fan gear box oil on-line monitoring fault early warning device, the device further comprises a wireless transmission device; the receiving end of the wireless transmission device is electrically connected with the central processing unit; the output end of the wireless transmission device is in wireless connection with the alarm device; the alarm device is carried by an inspector or a central control center operator.
Compared with the prior art, the on-line monitoring fault early warning device for the oil of the wind turbine gearbox provided by the utility model can comprehensively and intensively monitor the quality information of the oil of the wind turbine gearbox in combination with external monitoring information, accurately evaluate the running state of the wind turbine gearbox in real time, master the running state of the wind turbine gearbox and provide basic guarantee for predictive maintenance; the method effectively avoids sudden faults of the wind power gear box and improves the operation rate and reliability of the wind power gear box. In addition, the wireless transmission device can be arranged to remotely transmit alarm information.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a block diagram of the structure provided by the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The embodiment of the utility model discloses a fan gear box oil on-line monitoring fault early warning device, as shown in fig. 1, comprising:
the sensor group is arranged on the monitoring loop; the sensor group comprises a vibration sensor, a noise sensor, a displacement sensor and an oil quality sensor group, wherein the vibration sensor is arranged on a bearing seat of the gear box and used for acquiring a vibration signal; the noise sensor is arranged on the gear box and used for acquiring a noise signal of the gear box; the displacement sensor is arranged on an output shaft of the gear box and used for acquiring radial and axial displacement signals of the output shaft; the oil liquid quality sensor is arranged in the oil liquid of the gear box and used for acquiring an oil liquid quality signal;
the vibration sensor, the noise sensor, the displacement sensor and the oil liquid quality sensor are connected with an input interface of a data acquisition card through a data transmission line, and an output interface of the data acquisition card is connected with a central processing unit through a data transmission line;
and an output port of the central processing unit is electrically connected with the alarm device.
It is to be understood that: according to the embodiment, comprehensive centralized monitoring can be performed by combining quality information of wind power gear box oil with external monitoring information, the running state of the wind power gear box can be accurately estimated in real time, the running state of the wind power gear box can be mastered, and basic guarantee is provided for predictive maintenance; the method effectively avoids sudden faults of the wind power gear box and improves the operation rate and reliability of the wind power gear box. In addition, the wireless transmission device can be arranged to remotely transmit alarm information.
In order to further optimize the technical scheme, the monitoring loop comprises a main oil inlet pipe and a main oil outlet pipe, six independent branch pipelines are connected between the main oil inlet pipe and the main oil outlet pipe, and each branch pipeline is provided with a monitoring chamber for installing a sensor.
In order to further optimize above-mentioned technical scheme, fluid quality sensor group includes: the oil viscosity sensor, the moisture sensor, the dielectric constant sensor, the abrasive grain monitoring sensor, the temperature sensor and the pressure sensor, wherein the oil viscosity sensor, the moisture sensor, the dielectric constant sensor, the abrasive grain monitoring sensor, the temperature sensor and the pressure sensor are respectively arranged in the monitoring chamber of each branch pipeline, and the oil viscosity sensor, the moisture sensor, the dielectric constant sensor, the abrasive grain monitoring sensor, the temperature sensor and the pressure sensor are electrically connected with the central processing unit.
In order to further optimize the technical scheme, the abrasive particle monitoring sensor adopts an ANALEXrs electromagnetic type online abrasive particle sensor, is arranged on a first branch pipeline of an oil monitoring loop of the wind power gear box, is used for monitoring and counting iron or nonferrous particles in oil, provides particle size and form distribution information, and outputs an alarm signal through the central processing unit.
In order to further optimize the technical scheme, the moisture sensor is arranged on a second branch pipeline of the oil monitoring loop of the wind power gear box and is used for monitoring the moisture content of oil.
In order to further optimize the technical scheme, the oil viscosity sensor adopts a JCV.1000 viscosity sensor, and is arranged on a third branch pipeline of an oil monitoring loop of the wind power gear box and used for monitoring the oil viscosity.
In order to further optimize the technical scheme, the pressure sensor adopts an HDA4400 series pressure sensor, is arranged on a fourth branch pipe of the wind power gear box oil monitoring loop and is used for monitoring the oil pressure in the wind power gear box.
In order to further optimize the technical scheme, the temperature sensor adopts the PT100 patch temperature sensor, is arranged on a fifth branch pipeline of the wind power gear box oil monitoring loop, is connected into loop oil and is used for monitoring the oil temperature.
In order to further optimize the technical scheme, the dielectric constant sensor adopts a JCQ-1624-T dielectric constant sensor, and is arranged on a sixth branch pipe of the wind power gear box oil monitoring loop and used for monitoring the oil dielectric constant.
In order to further optimize the technical scheme, the wireless transmission device is further included; the receiving end of the wireless transmission device is electrically connected with the central processing unit; the output end of the wireless transmission device is in wireless connection with the alarm device; the alarm device is carried by an inspector or a central control center operator.
In order to further optimize the technical scheme, the system further comprises a user terminal, wherein the user terminal is carried by a patrol personnel or a central control center; the processor of the user side stores control instructions for automatic adjustment and manual adjustment, the control instructions are adjusted to a preset interval, if the control instructions cannot be interfered, the alarm device of the user side alarms, and on-site maintenance personnel arrive at the site to carry out maintenance.
The working process of the utility model is as follows: acquiring oil information of lubricating oil through an oil quality sensor group, processing the acquired oil information of an oil inlet and an oil outlet of the gear box, and acquiring a bearing seat vibration signal of the gear box by combining a vibration sensor obtained by an external sensor; the noise sensor acquires a noise signal of the gear box; the displacement sensor obtains radial and axial displacement signals of an output shaft of the gearbox, a processing result is processed by the central processing unit and is sent to a central control center or a user side of a patrol personnel through the wireless transmission device, the obtained related data are compared with a standard database, and if the collected oil product information data are abnormal, corresponding processing is performed.
If the oil temperature is abnormal, the user side sends a control instruction for adjusting the oil temperature to the central processing unit through the wireless transmission device, and the central processing unit controls the heater or the radiator to work according to the control instruction for adjusting the temperature, so that the oil temperature is adjusted to be within a standard oil temperature interval.
If the pressure data is abnormal, the user side sends a control instruction for adjusting the oil pressure to the central processing unit through the wireless transmission device, and the central processing unit controls and adjusts 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.
If the oil temperature is abnormal and the oil pressure is abnormal and cannot return to a background server of normal data after being treated by a remote automatic intervention flow, sending an alarm signal to an operator on duty, after the operator on duty receives the alarm signal, comprehensively prejudging the fault, carrying out manual remote intervention by the operator on duty, and sending a control instruction, if the fault cannot be eliminated after manual intervention, sending fault maintenance information to field maintenance personnel in a fault zone through one or more of Beidou short messages, short messages and micro messages, and enabling the field maintenance personnel to arrive at the field for maintenance.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. An online monitoring fault early warning device for fan gear box oil liquid, which is characterized by comprising:
the sensor group is arranged on the monitoring loop; the sensor group comprises a vibration sensor, a noise sensor, a displacement sensor and an oil quality sensor group, wherein the vibration sensor is arranged on a bearing seat of the gear box and used for acquiring a vibration signal; the noise sensor is arranged on the gear box and used for acquiring a noise signal of the gear box; the displacement sensor is arranged on an output shaft of the gear box and used for acquiring output radial and axial displacement signals; the oil liquid quality sensor is arranged in the oil liquid of the gear box and used for acquiring an oil liquid quality signal;
the vibration sensor, the noise sensor, the displacement sensor and the oil liquid quality sensor are connected with an input interface of a data acquisition card through a data transmission line, and an output interface of the data acquisition card is connected with a central processing unit through a data transmission line;
and an output port of the central processing unit is electrically connected with the alarm device.
2. The fan gear box oil on-line monitoring fault early warning device according to claim 1, wherein: the monitoring loop comprises a main oil inlet pipe and a main oil outlet pipe, six independent branch pipelines are connected between the main oil inlet pipe and the main oil outlet pipe, and each branch pipeline is provided with a monitoring chamber for installing a sensor.
3. The fan gear box oil on-line monitoring fault early warning device according to claim 2, wherein: the oil liquid quality sensor group comprises: the oil viscosity sensor, the moisture sensor, the dielectric constant sensor, the abrasive grain monitoring sensor, the temperature sensor and the pressure sensor, wherein the oil viscosity sensor, the moisture sensor, the dielectric constant sensor, the abrasive grain monitoring sensor, the temperature sensor and the pressure sensor are respectively arranged in the monitoring chamber of each branch pipeline, and the oil viscosity sensor, the moisture sensor, the dielectric constant sensor, the abrasive grain monitoring sensor, the temperature sensor and the pressure sensor are electrically connected with the central processing unit.
4. The fan gear box oil on-line monitoring fault early warning device according to claim 3, wherein: the abrasive particle monitoring sensor adopts an ANALEXrs electromagnetic type online abrasive particle sensor, is arranged on a first branch pipeline of an oil monitoring loop of the wind power gear box, is used for monitoring and counting iron or nonferrous particles in oil, provides size and form distribution information of the particles, and outputs an alarm signal through the central processing unit.
5. The fan gear box oil on-line monitoring fault early warning device according to claim 3, wherein: the water sensor is arranged on a second branch pipe of the oil monitoring loop of the wind power gear box and is used for monitoring the water content in the oil.
6. The fan gear box oil on-line monitoring fault early warning device according to claim 3, wherein: the oil viscosity sensor adopts a JCV.1000 viscosity sensor and is arranged on a third branch pipe of the oil monitoring loop of the wind power gear box and used for monitoring the oil viscosity.
7. The fan gear box oil on-line monitoring fault early warning device according to claim 3, wherein: the pressure sensor adopts an HDA4400 series pressure sensor, is arranged on a fourth branch pipeline of the wind power gear box oil monitoring loop and is used for monitoring oil pressure in the wind power gear box.
8. The fan gear box oil on-line monitoring fault early warning device according to claim 3, wherein: the temperature sensor adopts a PT100 patch temperature sensor, is arranged on a fifth branch pipeline of an oil monitoring loop of the wind power gear box, is connected into loop oil, and is used for monitoring the oil temperature.
9. The fan gear box oil on-line monitoring fault early warning device according to claim 3, wherein: the dielectric constant sensor adopts a JCQ-1624-T dielectric constant sensor, is arranged on a sixth branch pipe of the oil monitoring loop of the wind power gear box and is used for monitoring the dielectric constant of oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320905021.2U CN219452845U (en) | 2023-04-18 | 2023-04-18 | Fan gear box oil on-line monitoring fault early warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320905021.2U CN219452845U (en) | 2023-04-18 | 2023-04-18 | Fan gear box oil on-line monitoring fault early warning device |
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| CN219452845U true CN219452845U (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320905021.2U Active CN219452845U (en) | 2023-04-18 | 2023-04-18 | Fan gear box oil on-line monitoring fault early warning device |
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| CN (1) | CN219452845U (en) |
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- 2023-04-18 CN CN202320905021.2U patent/CN219452845U/en active Active
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