CN213121145U - Prototype monitoring device for safe operation and maintenance of single-point slip ring of ocean platform - Google Patents
Prototype monitoring device for safe operation and maintenance of single-point slip ring of ocean platform Download PDFInfo
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- CN213121145U CN213121145U CN202022274803.XU CN202022274803U CN213121145U CN 213121145 U CN213121145 U CN 213121145U CN 202022274803 U CN202022274803 U CN 202022274803U CN 213121145 U CN213121145 U CN 213121145U
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Abstract
一种用于海洋平台单点滑环安全运维的原型监测装置，属于海洋石油工程领域。这种用于海洋平台单点滑环安全运维的原型监测装置包括数据采集传感器、无线数据通讯模块、串口服务器模块和中心监测服务器。该监测装置由多源数据采集传感器构成，并根据单点滑环的结构形式与受力行为设计布点方案，采集传感器的数据统一集成到串口服务器模块，由串口服务器模块将所有采集数据传输至中心监测服务器。该监测装置有效测量单点滑环运行服役阶段的角度变化数据、间隙变化数据、振动响应数据和结构应变数据等，并将数据实时传输存储到中心监测服务器，并通过算法分析为单点滑环安全运维进行预警预报，及时有效规避作业风险，最大程度降低海洋平台的经济损失。
A prototype monitoring device for safe operation and maintenance of a single-point slip ring of an offshore platform belongs to the field of offshore petroleum engineering. This prototype monitoring device for the safe operation and maintenance of single-point slip rings on an offshore platform includes a data acquisition sensor, a wireless data communication module, a serial port server module and a central monitoring server. The monitoring device is composed of multi-source data acquisition sensors, and the layout scheme is designed according to the structure form and force behavior of the single-point slip ring. The data collected from the sensors is integrated into the serial port server module, and the serial port server module transmits all the collected data to the center. Monitoring server. The monitoring device effectively measures the angle change data, clearance change data, vibration response data and structural strain data of the single-point slip ring during operation and service, and transmits and stores the data to the central monitoring server in real time, and analyzes it as a single-point slip ring through an algorithm. Early warning and forecasting for safe operation and maintenance, timely and effective avoidance of operational risks, and minimized economic losses of offshore platforms.
Description
Technical Field
The utility model relates to a prototype monitoring devices for platform single-point sliding ring safety fortune dimension can be used to the real-time supervision of single-point sliding ring transmission medium (sea water, crude oil etc.) security state among the platform positioning system, belongs to the marine oil engineering field.
Background art:
petroleum and petroleum products are not only necessities for civilian life, but also important materials for modern industry, agriculture and national defense, and are called industrial blood. With the increasing depletion of land oil, the exploitation of offshore oil is more and more valued by people. The ocean platform is used as an important carrier for offshore oil and gas development, and can be used in complex and severe ocean environments to face a plurality of severe challenges. The offshore positioning of the offshore platform is realized by a mooring system, and for the offshore platform moored at a single point, the slip ring is a key device of the single point system and plays an important role in transmitting well fluid, natural gas, electric power and optical fiber signals between a wellhead platform and an FPSO (or a nuclear power platform). The motion mechanism of the single-point slip ring is that the outer ring rotates irregularly along with the FPSO (or nuclear power platform) through the driving arm, the outer frame and other structures, and under the condition that the inner ring and the outer ring generate relative motion, the oil-gas medium is transmitted from the inner ring to the outer ring through the annular channels of the inner ring and the outer ring. Due to factors such as insufficient design and manufacturing defects, the single-point slip ring is in service for a long time in a complex marine environment, and structural failure can occur to cause accidents. For example, the failure of single-point slip ring sealing means the loss of the transmission function of media such as oil and gas, and the like, thereby causing crude oil leakage, causing serious marine environmental pollution and huge economic loss.
For the safe operation and maintenance of the single-point slip ring of the ocean platform, relevant research works are carried out in scientific research institutes and production units at home and abroad, and some positive research results are obtained. However, the existing research methods are based on numerical simulation research or scaling model physical experiments, the methods simplify boundary conditions and loads to a certain extent, and have significant scale effect, so that the motion characteristics and the stress behavior of the single-point slip ring in the service state cannot be truly and accurately reflected.
The invention content is as follows:
in order to overcome the problem that exists among the above-mentioned prior art, the utility model provides a prototype monitoring devices for platform single-point sliding ring safety fortune dimension, this monitoring devices lays angle sensor, displacement sensor, acceleration and strain transducer through laying in single-point sliding ring inside and outside ring stationing scheme position, monitors data such as angle change, clearance change, vibration response and structural strain of single-point sliding ring. The long-term operation posture and the stress behavior of the single-point slip ring are calculated based on prototype monitoring data, early warning and forecasting are carried out on the safety failure of the single-point slip ring through algorithm analysis, data support is provided for fault diagnosis and operation and maintenance of the single-point slip ring, operation risks are effectively avoided in time, and the economic loss of the ocean platform is reduced to the maximum extent.
The utility model adopts the technical proposal that: a prototype monitoring device for safe operation and maintenance of a single-point slip ring of an ocean platform comprises a data acquisition sensor, a wireless data communication module, a serial server module and a central monitoring server, wherein the data acquisition sensor comprises an inner ring data acquisition sensor arranged on the single-point inner slip ring and an outer ring data acquisition sensor arranged on the single-point outer slip ring.
The inner ring data acquisition sensor comprises 4 inner ring displacement sensors and 1 inner ring angle sensor, the inner ring displacement sensors on the single-point inner sliding ring are arranged at an angle of 90 degrees alternately, two inner ring displacement sensors are positioned on an X-X axis, and the center of the inner ring is provided with 1 inner ring angle sensor.
The outer ring data acquisition sensor comprises 6 outer ring displacement sensors, 2 outer ring angle sensors, 2 acceleration sensors and 10 strain sensors, the outer ring displacement sensors on the single-point outer slip ring and an X-X axis are arranged at an angle of 45 degrees at intervals, the outer ring angle sensors are located on the X-X axis, the acceleration sensors are arranged on a Y-Y axis perpendicular to the X-X axis, 5 strain sensors and 1 outer ring displacement sensor which are symmetrical with the Y-Y axis are arranged on the surfaces of two driving arms which are located on the X-X axis and connected with the single-point outer slip ring, wherein the 4 strain sensors are symmetrically arranged on two sides of the X-X axis, and the 1 strain sensor is arranged on the X-X axis.
The outer ring data acquisition sensor is electrically connected with the serial server module, the inner ring data acquisition sensor is connected with the serial server module through the wireless data communication module, and the serial server module is electrically connected with the central monitoring server.
The wireless data transmission module comprises a wireless data transmitting module and a wireless data receiving module, the wireless data transmitting module is arranged on the single-point inner slip ring, the wireless data receiving module is arranged on the single-point outer slip ring, the inner ring data acquisition sensor is electrically connected with the wireless data transmitting module, the wireless data transmitting module is in wireless communication connection with the wireless data receiving module, and the wireless data receiving module is electrically connected with the serial server module;
the inner ring data acquisition sensor adopts an inner ring power supply system, and the outer ring data acquisition sensor adopts an inner ring power supply system.
The central monitoring server adopts a multi-modular integrated software and hardware system to acquire monitoring data of each sensor, stores, displays and analyzes the data in real time, demonstrates the running state of the single-point slip ring in a three-dimensional dynamic mode, and forecasts the operation and maintenance faults of the single-point slip ring.
The basic principle of the technical scheme is as follows: the single-point outer slip ring of the single-point slip ring rotates irregularly along with the FPSO (or nuclear power platform) through the driving arm, the outer frame and other structures, and under the condition that the inner ring and the outer ring generate relative motion, the oil-gas medium is transmitted to the outer ring from the inner ring through the annular channels of the inner ring and the outer ring. The sealing function of the structure is failed under the abnormal stress action of the inner ring structure and the outer ring structure, so that the leakage of transmission media (seawater, crude oil and the like) is caused. The abnormal mechanical behavior of the inner ring and the outer ring is mainly shown in the aspects of motion response and dynamic response, including eccentricity, vibration and the like of the inner ring and the outer ring. The angle sensor and the displacement sensor which are arranged on the inner ring and the outer ring can effectively monitor the eccentric motion behavior of the slip ring, meanwhile, the data of the leakage area irradiated by the laser displacement of the outer ring can be changed obviously, the oil leakage area can be judged by observing the data, and the operating personnel can be fed back in time; the acceleration sensor can monitor the abnormal vibration behaviors of the inner ring and the outer ring in real time; the strain sensor can calculate the sudden change of the stress of the slip ring. Therefore, the prototype monitoring device is arranged on the single-point slip ring of the ocean platform to measure the motion dynamic response data of the inner ring and the outer ring, and the on-line monitoring of the safety state of the single-point slip ring can be realized.
The utility model has the advantages that: the prototype monitoring device for the safe operation and maintenance of the single-point slip ring of the ocean platform comprises a data acquisition sensor, a wireless data communication module, a serial server module and a central monitoring server. The device guarantees real-time prototype monitoring on the single-point slip ring in operation during the normal operation service period of the ocean platform, timely reflects the motion postures and the dynamic response change conditions of the inner ring and the outer ring, visually displays the working state of the slip ring through dynamic visualization of the three-dimensional assembly, and realizes the functions of fault diagnosis, early warning and forecasting of the single-point slip ring through abnormal data characteristic extraction. Meanwhile, the understanding of the single-point slip ring structure failure and sealing failure behaviors is deepened, technical support is provided for the structure design and sealing design of the single-point slip ring, and the safe service of the single-point slip ring is guaranteed. The monitoring device is composed of multi-source data acquisition sensors, and according to the structural form and the stress behavior design distribution scheme of a single-point slip ring, data of the acquisition sensors are integrated into a serial server module in a unified mode, wherein the outer ring acquisition sensors of the single-point outer slip ring transmit to the serial server module through signal cables, and the inner ring acquisition sensors of the single-point inner slip ring transmit to the serial server module through a point-to-point wireless data communication module. The serial server module integrates all collected data to realize bidirectional transparent data transmission between the RS-485/422 serial port and the TCP/IP protocol network interface. The monitoring device can effectively measure angle change data, gap change data, vibration response data and structural strain data of the single-point slip ring in the service stage of operation, the data are transmitted and stored to the central monitoring server in real time, the central monitoring server conducts early warning and forecast for the safe operation and maintenance of the single-point slip ring through algorithm analysis, operation risks are effectively avoided in time, and economic loss of the ocean platform is reduced to the maximum extent.
Description of the drawings:
FIG. 1 is a topological structure diagram of a prototype monitoring device for the safe operation and maintenance of a single-point slip ring of an ocean platform.
FIG. 2 is a schematic diagram of the overall layout of data acquisition sensors on the inner and outer rings of a single point slip ring.
FIG. 3 is a diagram of a fixture for mounting and securing a data acquisition sensor.
Fig. 4 is a flow chart of a design scheme of a prototype monitoring device for the safe operation and maintenance of a single-point slip ring of an ocean platform.
Fig. 5 is a structural diagram of a sealing mode of a single-point slip ring of the ocean platform.
In the figure, 1, a single-point inner sliding ring, 2, a single-point outer sliding ring, 3, a driving arm, 4, an inner ring displacement sensor, 4a, an outer ring displacement sensor, 5, an inner ring angle sensor, 5a, an outer ring angle sensor, 6, an acceleration sensor, 7, a strain sensor, a, an inner ring displacement sensor clamp, b, an outer ring displacement sensor clamp, c, an inner ring angle sensor clamp, d, an outer ring angle sensor clamp, e, an acceleration sensor clamp.
The specific implementation mode is as follows:
the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples.
Fig. 1 shows a topological structure diagram of a prototype monitoring device for single-point slip ring safety operation and maintenance of an ocean platform, wherein the prototype monitoring device for single-point slip ring safety operation and maintenance of an ocean platform comprises a data acquisition sensor, a wireless data communication module, a serial server module and a central monitoring server, and the data acquisition sensor comprises an inner ring data acquisition sensor installed on a single-point inner slip ring 1 and an outer ring data acquisition sensor installed on a single-point outer slip ring 2.
The inner ring data acquisition sensor comprises 4 inner ring displacement sensors 4 and 1 inner ring angle sensor 5, the inner ring displacement sensors 4 on the single-point inner slip ring 1 are arranged at an angle of 90 degrees at intervals, wherein the two inner ring displacement sensors 4 are positioned on an X-X axis, and the center of the inner ring is provided with 1 inner ring angle sensor 5.
The outer ring data acquisition sensor comprises 6 outer ring displacement sensors 4a, 2 outer ring angle sensors 5a, 2 acceleration sensors 6 and 10 strain sensors 7, wherein the outer ring displacement sensors 4a on the single-point outer slip ring 2 are arranged at an angle of 45 degrees with the X-X axis, the outer ring angle sensors 5a are positioned on the X-X axis, the acceleration sensors 6 are arranged on the Y-Y axis vertical to the X-X axis, 5 strain sensors 7 and 1 outer ring displacement sensor 4a which are symmetrical with the Y-Y axis are respectively arranged on the surfaces of two driving arms 3 which are positioned on the X-X axis and connected with the single-point outer slip ring 2, the 4 strain sensors 7 are symmetrically arranged on two sides of the X-X axis, and 1 strain sensor is arranged on the X-X axis (as shown in figure 2).
The outer ring data acquisition sensor is electrically connected with the serial server module, the inner ring data acquisition sensor is connected with the serial server module through the wireless data communication module, and the serial server module is electrically connected with the central monitoring server.
The wireless data transmission module comprises a wireless data transmitting module and a wireless data receiving module, the wireless data transmitting module is arranged on the single-point inner slip ring 1, the wireless data receiving module is arranged on the single-point outer slip ring 2, the inner ring data acquisition sensor is electrically connected with the wireless data transmitting module, the wireless data transmitting module and the wireless data receiving module are connected in a wireless communication mode, and the wireless data receiving module is electrically connected with the serial server module.
The inner ring data acquisition sensor adopts an inner ring power supply system, and the outer ring data acquisition sensor adopts an inner ring power supply system.
The central monitoring server adopts a multi-modular integrated software and hardware system to acquire monitoring data of each sensor, stores, displays and analyzes the data in real time, demonstrates the running state of the single-point slip ring in a three-dimensional dynamic mode, and forecasts the operation and maintenance faults of the single-point slip ring.
An inner ring displacement sensor is fixed on a single-point inner sliding ring 1 through an inner ring displacement sensor clamp a, an outer ring displacement sensor is fixed on a single-point outer sliding ring 2 through an outer ring displacement sensor clamp b, an inner ring angle sensor is fixed on the single-point inner sliding ring 1 through an inner ring angle sensor clamp c, an outer ring angle sensor is fixed on the single-point outer sliding ring 2 through an outer ring angle sensor clamp d, and an acceleration sensor is fixed on the single-point outer sliding ring 2 through an acceleration sensor clamp e (as shown in fig. 3).
The inner ring displacement sensor clamp a is assembled in an adjustable mode through a bolt slide way and is fastened on the single-point inner sliding ring 1 through a bolt. The outer ring displacement sensor clamp b is fixed on the single-point outer slip ring 2 by adopting a magnetic base. The inner ring angle sensor clamp c steel hoop is fastened on the single point inner slip ring 1. The outer ring angle sensor clamp d is fastened on the single-point outer slip ring 2 through a bolt form. The outer ring acceleration sensor clamp e is fastened on the single-point outer slip ring 2 through a bolt mode. The sensor clamp guarantees the installation precision of the sensor, avoids damage to a single-point slip ring structure, and guarantees the accuracy of monitoring data.
Each sensor of the outer ring data acquisition sensor is electrically connected with the serial server module in a bus form or a distribution form through a transmission cable. Each sensor of the inner ring data acquisition sensor is electrically connected with the wireless data transmitting module in a bus form or a distribution form through a transmission cable, the wireless data transmitting module and the wireless data receiving module carry out multi-channel point-to-point communication, and the wireless data receiving module is electrically connected with the serial server module in the bus form or the distribution form through the transmission cable. The serial port server module is electrically connected with the central monitoring server in a bus form through a transmission cable.
Fig. 4 is a flow chart of a design scheme of a prototype monitoring device for the safe operation and maintenance of a single-point slip ring of an ocean platform. The process comprises 6 parts of a multi-source data acquisition sensor, an integral point distribution scheme design, a special fixture fixing assembly, a data acquisition and transmission mode, a data display and storage mode, a three-dimensional dynamic visualization structure and the like.
The data acquisition sensor monitors the safe operation and maintenance of the single-point slip ring, so that the measured information can represent the working operation state of the single-point slip ring. Under the condition that the single-point slip ring has a fault, the abnormal information is mainly shown in the aspects of motion attitude and power response, so that the selected data acquisition sensor can effectively measure the abnormal information. The data acquisition sensor comprises an angle sensor, a displacement sensor, an acceleration sensor and a strain sensor, wherein the angle sensor and the displacement sensor measure the motion response information of the single-point slip ring, and the acceleration sensor and the strain sensor measure the power response information of the single-point slip ring. The angle sensor can measure the swing problem of the inner ring and the outer ring, the angle difference between the two outer ring angle sensors of the single-point outer slip ring 2 is the basis for judging whether the slip ring swings, and the inclination angle of the single-point inner slip ring 1 can be judged by the long-term change reference value of the data of the inner ring angle sensor; the inner ring displacement sensor and the outer ring displacement sensor can measure the gap of the slip ring to judge whether the inner ring and the outer ring of the slip ring have eccentric working states. Meanwhile, data of a leakage area irradiated by the displacement sensor can be changed remarkably, and the data are used for judging whether the single-point slip ring has leakage behavior or not and determining the leakage area; the acceleration sensor can measure abrasion vibration information of the single-point slip ring and provide data support for fault diagnosis based on vibration signals of the single-point slip ring; the strain sensor can acquire stress strain information on the driving arm, further calculate and obtain the radial force and torque effect of the driving arm on the slip ring, and reflect the integral stress condition of the single-point slip ring.
The functions of displaying and storing the monitoring data of the sensor and visualizing the three-dimensional dynamic structure are realized by the central monitoring server. The central monitoring server consists of a plurality of modularized integrated software and hardware systems, and integrated monitoring software designs a complete management system interface, establishes an accurate and complete database, can perform real-time storage and display, and can perform historical data query. The central monitoring server adopts a three-dimensional dynamic display technology to visually display the running state of the single-point slip ring, carries out early warning and forecast on the fault behavior of the single-point slip ring based on an intelligent algorithm of characteristic data, and gives operation guidance suggestions to emergency safety events.
Fig. 5 is a structural diagram of a sealing mode of a single-point slip ring of the ocean platform. The single-point slip ring has an upper part and a lower part which are sealed, and a main seal, a secondary seal, a top isolation seal and a bottom third seal of the single-point slip ring are marked in fig. 5. In the upper seal of the single-point slip ring, quantitative pressure heavy oil is regularly filled between the isolation seal and the main seal ring to lubricate and seal the seal part. Hydraulic oil is continuously filled between the main seal and the secondary seal ring, the seal ring is pressurized to enable the seal part to be fully contacted and play a role in lubrication, and the seal effect of the seal ring is enhanced. In the lower sealing of the single-point slip ring, normal pressure heavy oil is filled between the primary sealing and the secondary sealing to lubricate the sealing ring, a closed system is used for monitoring the sealing condition of the slip ring, and the collected waste oil is received between the secondary sealing and the third sealing ring at the bottom and is discharged into the tank.
By adopting the technical scheme, the sensor modules arranged on the inner ring and the outer ring transmit acquired data to the serial server module in real time, and the serial server module integrates the monitoring data uniformly and transmits the monitoring data to the central monitoring server in a bus form, and displays, stores and analyzes the monitoring data in real time. The three-dimensional dynamic display technology visually displays the running state of the single-point slip ring, and an intelligent algorithm based on characteristic data carries out early warning and forecasting on the fault behavior of the single-point slip ring so as to guide the field operation of personnel on the ocean platform.
Through the utility model discloses can guarantee to carry out real-time prototype monitoring to the single-point sliding ring in operation during the normal operation of platform is in active service, in time reflect the motion gesture and the dynamic response situation of change of inside and outside loop, carry out fault diagnosis, early warning forecast to the single-point sliding ring through intelligent algorithm analysis, guide on-the-spot personnel safety work. Meanwhile, the understanding of the single-point slip ring structure failure and sealing failure behaviors is deepened, technical support is provided for the structural design and sealing design of the single-point slip ring, and the safe operation of the in-service single-point slip ring is guaranteed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022274803.XU CN213121145U (en) | 2020-10-14 | 2020-10-14 | Prototype monitoring device for safe operation and maintenance of single-point slip ring of ocean platform |
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| CN202022274803.XU CN213121145U (en) | 2020-10-14 | 2020-10-14 | Prototype monitoring device for safe operation and maintenance of single-point slip ring of ocean platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112146911A (en) * | 2020-10-14 | 2020-12-29 | 大连理工大学 | A prototype monitoring device for safe operation and maintenance of single-point slip rings on offshore platforms |
-
2020
- 2020-10-14 CN CN202022274803.XU patent/CN213121145U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112146911A (en) * | 2020-10-14 | 2020-12-29 | 大连理工大学 | A prototype monitoring device for safe operation and maintenance of single-point slip rings on offshore platforms |
| CN112146911B (en) * | 2020-10-14 | 2024-08-02 | 大连理工大学 | Prototype monitoring device for safety operation and maintenance of single-point slip ring of ocean platform |
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