CN1313555A - Portable monitor for rotary machines - Google Patents
Portable monitor for rotary machines Download PDFInfo
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- CN1313555A CN1313555A CN 00110196 CN00110196A CN1313555A CN 1313555 A CN1313555 A CN 1313555A CN 00110196 CN00110196 CN 00110196 CN 00110196 A CN00110196 A CN 00110196A CN 1313555 A CN1313555 A CN 1313555A
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Abstract
A portable monitor for rotary machine is composed of multi-signal acquiring and processing unit, A/D converter and portable industrial control computer. The data acquisition, real-time display, state monitoring, failure sample storage, automatic storage management of database, and mechanical state analysis and diagnosis are performed by computer software. Its advantages include real-time monitoring, high reliability and high precision.
Description
The present invention relates to a kind of computer system, particularly portable monitor for rotary machines to condition monitoring for rotating machinery.
The status monitoring of rotating machinery is the only way which must be passed that equipment is moved towards state maintenance, especially when whether the state of unit changes and be difficult to decision-making and can continue to move, people wish to look in a period of time the running status of unit and analyze and judge whether unit can continue operation again by seeing continuously again; Moreover; when testing for equipment manufacturing handing over before dispatching from the factory; hope has a ratio more comprehensively to understand to the characteristic of unit itself; particularly the transient data of unit in starting and stopping machine process is to the check of unit design transient response; and in the virgin state of test working in preceding 4 hours of handing over; analysis of spectrum during these test runs is to makers' Change In Design, and user's use, management and fault diagnosis play crucial effects.In view of the management level and the technology management level disparate development of China each department, each enterprise, very big to the status monitoring Cognitive Dissonance of rotating machinery, especially the understanding that utilizes online Condition Monitoring Technology to manage to large rotating machinery is also variant.Even if recognizing this is the best techniques route, also can not all dispose online monitoring system to all rotating machineries.And no matter the off-line type data collector of traditional type is from analysis, or compares with on-line monitoring system in the use of function, all will be subjected to certain restriction.Especially those single channels or twin-channel data acquisition equipment are to be difficult to satisfy Continuous Tracking monitoring fault, the state of catching unit all analysis channels at a time and the requirement of starting and stopping machine instantaneous response analysis.
The present invention seeks to: overcome the deficiency of prior art, it is the portable monitor for rotary machines of one that a kind of on-line monitoring system, off-line monitoring system and personal computer of holding is provided.
The present invention is achieved in that portable monitor for rotary machines, it is characterized in that: be made of the portable personal computer to corresponding multiple signal acquisition process unit, A/D chromacoder and an industrial level of monitored rotating machinery, computer-internal is finished related data collection and real-time demonstration, the status monitoring of monitored rotating machinery simultaneously by software and is preserved the function of fault sample, database Automatic Storage Management, the diagnosis of mechanical movement state analysis.
When implementing above-mentioned basic scheme, the software systems that can design a calculating machine are made up of five parts,
(1), the data of input computing machine are through timer 1 control carrying out data acquisition, typing real time data district, simultaneously the data in real time of gathering is shown,
(2), under timer 2 control, fetch data with the comparison of established standards value from the real time data district, carry out status monitoring, to the data that exceed standard promptly as fault sample typing logout district,
(3), by timer 3 control, fetch data from the real time data district and to carry out the minute data library management, set up the divided data storehouse,
(4), by timer 4 control, fetch data from the divided data storehouse and to carry out the hour data library management, database when setting up,
(5), the fault sample to the logout district, the real time data in real time data district, the historical data of the timely database in divided data storehouse, utilize the various analytic function modules that preset in the computing machine to carry out the diagnosis of mechanical movement state analysis.
The invention has the advantages that:
1, only utilize a microcomputer to finish the repertoire that the upper and lower machine can be finished in the like product.In homogeneous system, employing be: many cpu modes, or be called upper and lower machine mode.Carry out the transmission of data by communication or network.Slave computer is mainly finished collection, the status monitoring of data and is reported to the police and real-time real Presentation Function partly; Host computer manages the data of slave computer collection, and the analysis of operating states of the units is also carried out in host computer.Owing to reduced middle communication link, improved real-time, reliability and the whole precision of system.The present invention comes down to finish simultaneously all functions that the upper and lower machine is finished in the homogeneous system on slave computer, the analysis foundation of directiveness can in time be provided for unit test run, on-the-spot operation.
2, various analysis of spectra need not by the operator frequency and time to be set in advance, all finish automatically.The access of input signal is the boxcar by custom-designed hyperchannel BNC connector and multi-core socket, and plug and play is very convenient reliable.
3, system has powerful data management function.No matter just the unit in test run is normal, unusual, unexpected raising speed, unexpected reduction of speed even Off-design operation, all can under complete unmanned situation, finish freezing of data acquisition, storage and failure message automatically.
4, the present invention can be used as the personal computer that the public robotization of a Taiwan Affairs Office is used again fully when not carrying out machine performance monitoring use.
Fig. 1 is an embodiment of the invention system flowchart.
Fig. 2 is an embodiment of the invention computer software process flow diagram.
Below in conjunction with drawings and Examples the present invention is done further narration:
With reference to Fig. 1, hardware of the present invention is made of the portable computer of connecting line, displacement data collecting unit, acceleration/speed data collecting unit, process variable data acquisition unit and the industrial level of 16 boxcars that have private cable line, 16 channel B NC joints and 37 core sockets of BNC connector, 37 core cables.
Need monitored signal to be input in the computing machine by data acquisition unit.To data acquisition, status monitoring, affair alarm, historical record, the automatic management of database and the analysis of operating states of the units of rotating machinery, comprise that the repertoire of personal computer only is achieved by running software on a portable computer.
After 15 the joint inputs of monitored signal from 16 channel B NC (passage of BNC is the supply voltage output line), through signal processing unit separately, central processing unit control high-speed a/d harvester carries out the collection of data to the good signal of all kinds of processing unit processes, organically controls the operation of total system by software systems of the present invention.
Fig. 2 discloses software systems of the present invention and comes down to a Real-time Multi-task System.This system moves five tasks simultaneously:
Task 1 is the data acquisition task by timer 1 control.This task is mainly finished the data acquisition to rotating machinery, and the data in real time of gathering is shown task;
Task 2 is by the status monitoring of timer 2 control, preserves the fault sample task;
Task 3 is the minute data library storage management roles by timer 3 controls;
Task 4 is the hour data library storage management roles by timer 4 controls;
Task 5 is to control mechanical state analysis diagnostic task by the user, this task can be under the situation of above-mentioned task run, to the real time data in the fault sample in logout district, real time data district, divided data storehouse and the time database historical data, the various analytic function modules of utilizing native system to provide are carried out analyzing and diagnosing to the running status of unit.
Claims (2)
1, portable monitor for rotary machines, it is characterized in that: be made of the portable personal computer to corresponding multiple signal acquisition process unit, A/D chromacoder and an industrial level of monitored rotating machinery, computer-internal is finished related data collection and real-time demonstration, the status monitoring of monitored rotating machinery simultaneously by software and is preserved the function of fault sample, database Automatic Storage Management, the diagnosis of mechanical movement state analysis.
2, monitor according to claim 1 is characterized in that: computer software is made up of five parts,
(1), the data of input computing machine are through timer 1 control carrying out data acquisition, typing real time data district, simultaneously the data in real time of gathering is shown,
(2), under timer 2 control, fetch data with the comparison of established standards value from the real time data district, carry out status monitoring, to the data that exceed standard promptly as fault sample typing logout district,
(3), by timer 3 control, fetch data from the real time data district and to carry out the minute data library management, set up the divided data storehouse,
(4), by timer 4 control, fetch data from the divided data storehouse and to carry out the hour data library management, database when setting up,
(5), the fault sample to the logout district, the real time data in real time data district, the historical data of the timely database in divided data storehouse, utilize the various analytic function modules that preset in the computing machine to carry out the diagnosis of mechanical movement state analysis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00110196 CN1313555A (en) | 2000-03-09 | 2000-03-09 | Portable monitor for rotary machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00110196 CN1313555A (en) | 2000-03-09 | 2000-03-09 | Portable monitor for rotary machines |
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| Publication Number | Publication Date |
|---|---|
| CN1313555A true CN1313555A (en) | 2001-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 00110196 Pending CN1313555A (en) | 2000-03-09 | 2000-03-09 | Portable monitor for rotary machines |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101263499B (en) * | 2005-07-11 | 2013-03-27 | 布鲁克斯自动化公司 | Intelligent condition monitoring and fault diagnostic system |
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2000
- 2000-03-09 CN CN 00110196 patent/CN1313555A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101263499B (en) * | 2005-07-11 | 2013-03-27 | 布鲁克斯自动化公司 | Intelligent condition monitoring and fault diagnostic system |
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