CN203231813U - Vibration Remote Monitoring and Fault Diagnosis System - Google Patents

Abstract

The utility model discloses a remote monitoring and fault diagnosis system of vibration. The system comprises an on-site data collection station and is characterized in that: the system also comprises a room for a professional engineer and a remote monitoring and fault diagnosis center; and the room for the professional engineer is connected with the remote monitoring and fault diagnosis center via the Internet. The remote monitoring and fault diagnosis system of the vibration is capable of achieving the remote monitoring and the fault diagnosis, performing the basic analysis and diagnosis via the room for the professional engineer and also providing the remote analysis and diagnosis, thereby ensuring the safe, economic and highly-efficient running of an on-site device.

Description

Vibration Remote Monitoring and Fault Diagnosis System

technical field

The utility model relates to a monitoring and diagnosis system, in particular to a vibration remote monitoring and fault diagnosis system.

Background technique

As a key network-related equipment, the steam turbine generator set is crucial to power production for its safe and reliable operation. However, at present, the fault diagnosis of turbogenerators is still mainly manual. Equipment fault diagnosis is a very professional technology, and most enterprises are unable to equip such technical personnel. The solution is to rely on professionals from some professional departments such as local electric power science institutes and some colleges and universities.

The current mode of post-event analysis and diagnosis processing is no longer suitable for the needs of power production. The disadvantages of this model: first, the lack of emergency response capability is not conducive to the rapid response of technical services; second, the lack of fault data is not conducive to the analysis and resolution of the root cause of equipment failure; third, post-event analysis is not conducive to the development of equipment status assessment , to discover early failures of equipment and avoid sudden accidents.

How to transmit the information of operating equipment to relevant units in different places in time, so that experts can monitor the status of operating equipment in real time and find hidden troubles early has become an urgent problem for fault diagnosis, and it is also one of the important issues for carrying out equipment condition maintenance. This requirement cannot be met in the prior art.

Contents of the invention

In order to solve the deficiencies of the prior art, the purpose of the utility model is to provide a vibration remote monitoring and fault diagnosis system. the

In order to achieve the above object, the utility model adopts the following technical solutions:

The vibration remote monitoring and fault diagnosis system includes an on-site data collection station, which is characterized in that it also includes a professional engineer’s room, a remote monitoring and fault diagnosis center, and the on-site data collection station and the professional engineer’s room are connected through a local area network, and the professional engineer’s room and the remote The monitoring and fault diagnosis center are connected through the Internet.

The aforementioned vibration remote monitoring and fault diagnosis system is characterized in that the on-site data acquisition station includes a data acquisition card and a PXI chassis, the data acquisition card is connected to the PXI chassis, and the PXI chassis and the professional engineer's room are connected through a local area network.

The foregoing vibration remote monitoring and fault diagnosis system is characterized in that the professional engineer's room includes a Web server, a real-time database, and a central database. connect.

In the foregoing vibration remote monitoring and fault diagnosis system, the central database is connected to the database storage access and management interface module.

The aforementioned vibration remote monitoring and fault diagnosis system is characterized in that the Web server includes a system setting and control module, a data publishing module, an online monitoring and a preliminary fault analysis module; the system setting and the control module are respectively connected to the data publishing module, the online monitoring and the preliminary fault analysis module; the system setting and control module is connected with the data acquisition station through the first network communication module, and the system setting and control module is connected with the remote monitoring and fault diagnosis center through the second network communication module; the system setting and control module are respectively connected with the The real-time database and the central database are connected; the data publishing module is connected with the real-time database.

The foregoing vibration remote monitoring and fault diagnosis system is characterized in that the remote monitoring and fault diagnosis center includes a browser module and a server module, the system setting and control module are connected to the server module through the second network communication module, and the browser module and The server module is connected.

The utility model is beneficial in that: the utility model can realize remote monitoring and fault diagnosis, which can not only carry out basic analysis and diagnosis through the full-time engineer's room, but also provide remote analysis and diagnosis, so it can ensure the safety, economy, and safety of on-site equipment. run efficiently.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the vibration remote monitoring and fault diagnosis system of the present utility model;

Fig. 2 is a structural schematic diagram of a preferred implementation of the vibration remote monitoring and fault diagnosis system of the present invention.

Meanings of reference signs in the figure:

1. On-site data acquisition station, 2. Professional engineer room, 3. Remote monitoring and fault diagnosis center, 4. Data acquisition card, 5. PXI chassis, 6. First network communication module, 7. System setting and control module, 8 . Data release module, 9. Online monitoring and preliminary failure analysis module, 10. Real-time database, 11. Central database, 12. Database storage access and management interface module, 13. Second network communication module, 14. Server module, 15. browser module.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is made concrete introduction.

Referring to Fig. 1, the vibration remote monitoring and fault diagnosis system of the present invention includes an on-site data acquisition station 1, a professional engineer room 2, a remote monitoring and fault diagnosis center 3, an on-site data acquisition station 1 and a professional engineer room 2 They are connected through a local area network, and the professional engineer room 2 and the remote monitoring and fault diagnosis center 3 are connected through the Internet.

The on-site data collection station 1 in the utility model completes the functions of data collection, signal conditioning, characteristic calculation and display of various signals in the field in the vibration remote monitoring and fault diagnosis system. The professional engineer room 2 is the data service and exchange center of the vibration remote monitoring and fault diagnosis system of the utility model. for data communication. The remote monitoring and fault diagnosis center 3 implements remote monitoring and status analysis on the operation of the site through the Internet, and responds to the fault diagnosis request submitted by the site.

In the utility model, the on-site data collection station 1 is set at the production site, and the on-site data collection station 1 detects various signals on the site, such as vibration signals, rotational speed signals, thermal process quantity signals, and the like. The professional engineer's room 2 is generally set up far away from the production site, and the professional engineer's room 2 and the on-site data collection station 1 communicate with each other through a local area network. The remote monitoring and fault diagnosis center 3 can be set up in various scientific research institutes such as electric power science institutes or group companies. The remote monitoring and fault diagnosis center 3 communicates with the professional engineer room 2 through the Internet and obtains on-site detection data, provides remote analysis and diagnosis, and guides fault handling , and provide technical support for condition-based maintenance to ensure the safe, economical and efficient operation of on-site equipment.

Further, as preferably, the field data acquisition station 1 of the present utility model comprises data acquisition card 4 and PXI chassis 5, and data acquisition card 4 connects PXI chassis 5, connects by local area network between PXI chassis 5 and professional engineer room 2. The data acquisition card 4 here completes functions such as data acquisition of various signals on site, signal conditioning, feature calculation and display. The data acquisition card 4 transmits the collected data to the PXI chassis 5, and the PXI chassis 5 transmits the data to the professional engineer room 2.

Further, preferably, the professional engineer room 2 includes a Web server, a real-time database 10, and a central database 11. The Web server is connected to the data collection station via the first network communication module 6, and the Web server is connected to the real-time database 10 and the central database 11 respectively. The role of the first network communication module 6 here is to play a LAN communication function between the Web server and the data collection station. The web server accepts the data from the data collection station, displays, analyzes, and detects the data, then stores the real-time data transmitted on-site into the real-time database 10, and stores part of the operating data as historical records in the central database 11 for future use. Future query of unit operation history information and historical trend analysis, etc. Full-time engineers can realize basic fault diagnosis functions through various analysis and diagnosis tools provided by the Web server, such as fast Fourier transform, wavelet transform, etc., plus a large number of vibration analysis characteristic charts.

Further, the central database 11 is connected to the database storage access and management interface module 12 . In this way, technicians can enter the central database 11 through the database storage access and management interface module 12, and analyze the data stored in the central database 11. At the same time, the database storage access and management interface module 12 can control the type and authority of the technicians who visit, Ensure the security of data in the central database 11.

Further, the Web server includes a system setting and control module 7, a data release module 8, an online monitoring and preliminary fault analysis module 9; the system setting and control module 7 are respectively connected to the data publishing module 8, the online monitoring and the preliminary fault analysis module 9; the system setting Connect with the control module 7 through the first network communication module 6 and the data acquisition station, and the system setting and control module 7 are connected with the remote monitoring and fault diagnosis center 3 through the second network communication module 13; the system setting and the control module 7 are connected with the real-time database respectively 10. The central database 11 is connected; the data publishing module 8 is connected to the real-time database 10 . Like this, system setting and control module 7 are used for data release module 8, on-line monitoring and preliminary failure analysis module 9, real-time database 10, central database 11 operation control, data release module 8 is connected with real-time database 10, data release module 8 will The data in the real-time database 10 is processed, which can be provided to the personnel inside the professional engineer room 2 for analysis and reference in practice. The online monitoring and preliminary fault analysis module 9 is used to display, analyze, detect and process the data, which can include various analysis and diagnosis tools, such as fast Fourier transform, wavelet transform, etc., plus a large number of vibration analysis characteristic charts to realize Basic fault diagnosis function. The role of the second network communication module 13 here is to serve as the Internet communication function between the Web server and the remote monitoring and fault diagnosis center 3 .

Further, the remote monitoring and fault diagnosis center 3 includes a browser module 15 and a server module 14 , the system setting and control module 7 is connected to the server module 14 via the second network communication module 13 , and the browser module 15 is connected to the server module 14 . The server module 14 here is responsible for the data communication with the professional engineer room 2, and the remote diagnostic personnel accesses the data in the server module 14 through the browser module 15. The advantage of this setting is that maintenance and upgrade are very convenient and simple, and remote diagnosis can be set at the same time The access authority of personnel ensures the data security of the remote monitoring and fault diagnosis center 3 .

The utility model can realize remote monitoring and fault diagnosis, which can not only carry out basic analysis and diagnosis through the full-time engineer's room, but also provide remote analysis and diagnosis, thus ensuring the safe, economical and efficient operation of on-site equipment.

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the industry should understand that the above-mentioned embodiments do not limit the utility model in any form, and all technical solutions obtained by means of equivalent replacement or equivalent transformation all fall within the protection scope of the utility model.

Claims (6)

1. vibrate remote monitoring and fault diagnosis system, comprise the on-site data gathering station, it is characterized in that, also comprise expert engineer chamber, remote monitoring and fault diagnosis center, connect by LAN (Local Area Network) between on-site data gathering station and the expert engineer chamber, be connected by the internet between expert engineer chamber and remote monitoring and the fault diagnosis center.

2. vibration remote monitoring according to claim 1 and fault diagnosis system, it is characterized in that, the on-site data gathering station comprises data collecting card and PXI cabinet, and data acquisition card connection PXI cabinet is connected by LAN (Local Area Network) between PXI cabinet and the expert engineer chamber.

3. vibration remote monitoring according to claim 1 and fault diagnosis system, it is characterized in that, the expert engineer chamber comprises Web server, real-time data base, central database, Web server is connected with data acquisition station through first network communication module, and Web server is connected with real-time data base, central database respectively.

4. vibration remote monitoring according to claim 1 and fault diagnosis system, described central database connects database in storage and access and management interface module.

5. vibration remote monitoring according to claim 3 and fault diagnosis system is characterized in that, described Web server comprises system's setting and control module, data release module, on-line monitoring and preliminary failure analysis module; System's setting is connected data release module, on-line monitoring and preliminary failure analysis module respectively with control module; System arranges and is connected with data acquisition station through first network communication module with control module, and system's setting is connected with the fault diagnosis center with remote monitoring through second network communication module with control module; System arranges and is connected with real-time data base, central database respectively with control module; The data release module is connected with real-time data base.

6. vibration remote monitoring according to claim 1 and fault diagnosis system, it is characterized in that, described remote monitoring and fault diagnosis center comprise browser module, server module, system arranges and is connected with server module through second network communication module with control module, and browser module links to each other with server module.

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