CN203276028U - Monitoring and fault diagnosis apparatus applied to oxygenerator electrical system operation - Google Patents
Monitoring and fault diagnosis apparatus applied to oxygenerator electrical system operation Download PDFInfo
- Publication number
- CN203276028U CN203276028U CN 201320325359 CN201320325359U CN203276028U CN 203276028 U CN203276028 U CN 203276028U CN 201320325359 CN201320325359 CN 201320325359 CN 201320325359 U CN201320325359 U CN 201320325359U CN 203276028 U CN203276028 U CN 203276028U
- Authority
- CN
- China
- Prior art keywords
- oxygenerator
- monitoring
- electrical system
- utility
- fault diagnosis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a monitoring and fault diagnostic device applied to oxygenerator electrical system operation. An oxygenerator electrical system comprises a PLC which is in connection with an IPC through an MPI communication cable. According to the utility model, an original PLC system is provided with a corresponding signal module, thereby realizing real time monitoring and fault diagnosis on a frequency converting control system and an excitation system of an oxygenator, providing accurate historical data and scientific basis for system fault diagnosis and safe operation, and minimizing unknown cause unplanned shutdown or boot failure troubleshooting difficulty; the monitoring and fault diagnostic device guarantees stable operation of an oxygenerator set, achieves substantial economic benefits and possesses stronger popularization application value.
Description
Technical field
The utility model relates to a kind of supervision and fault diagnosis system, is specifically related to a kind of supervision and trouble-shooter that is applied to the operation of oxygenerator electrical system.
Background technology
Present domestic special supervision and the fault diagnosis control device for oxygenerator frequency conversion, excitation electric control system that also do not have.
Existing 1#2 ten thousand Nm of Ji steel Bao De gas companies
3/ h and 3#2 ten thousand Nm
3The air compressor machine of/h two cover oxygenerators adopts Siemens Simovert S series variable frequency soft starter to complete the initiating task of 9500kW synchronous motor, is completed the operation control of oxygen owner motor electrical system after motor is incorporated into the power networks by Siemens's S7-300 series of PLC.The operation of former this electrical system of design of Siemens be connected it is all that switch, button and pilot lamp by the OP17 guidance panel is connected with rigid line completed; therefore to the state in electric motor starting and operational process, warning and floor data; can only monitor currency; effectively store and management historical data and historical warning message; in the time of can't satisfying disorderly closedown, by enquiry of historical data and historical warning message to assist the needs of failure judgement reason.Especially after motor was incorporated into the power networks, the running current of monitoring motor stator side and the exciting current of rotor-side, when motor abnormality trips, be difficult to the accurate failure judgement reason of variation according to relevant service data simultaneously.
Oxygenerator is the important utility appliance of smelter, and the tripping operation of unknown cause appears in its frequency conversion, exciter control system sometimes, has a strong impact on the safe and stable operation of process equipment, becomes the major hidden danger that threatens safety and stability to produce.
Summary of the invention
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, a kind of supervision and trouble-shooter that is applied to the operation of oxygenerator electrical system being provided.The utility model is particularly useful for the frequency-changing control system of oxygenerator, supervision and the fault diagnosis in the excitation system operational process.
For achieving the above object, the utility model adopts following technical proposals:
A kind of supervision and trouble-shooter that is applied to the operation of oxygenerator electrical system, described oxygenerator electrical system comprises PLC, described PLC is connected to industrial computer by the MPI communication cable.
Described PLC comprises signaling module and CPU, and described industrial computer comprises communication module, and wherein, CPU is connected with communication module by the MPI communication cable.
Described signaling module adopts the DI module.
Described communication module adopts Siemens CP5621 communication adapter.
Described industrial computer is connected with keyboard, display and mouse respectively.
Principle of work of the present utility model:
The utility model is realized the exchanges data of industrial computer and PLC by communication module, then, industrial computer can utilize WinCC software, realizes oxygenerator frequency conversion, excitation electric control system operation monitoring, alarm logging and fault diagnosis functions.
The beneficial effects of the utility model are; this supervision and trouble-shooter are by increasing corresponding signaling module on original PLC system-based; the frequency-changing control system to oxygenerator, Real Time Monitoring and the fault diagnosis functions of excitation system have been realized; the foundation of accurate historical data and science is provided for system fault diagnosis and safe operation; reduced the generation of the situations such as unknown cause non-programmed halt or startup malfunction elimination difficulty; guaranteed the steady production of oxygen unit; obtain significant economic benefit, had stronger application value.
Description of drawings
Fig. 1 is the utility model structural representation;
1. industrial computers wherein, 2. communication module, 3. keyboard, 4. display, 5. mouse, 6.PLC, 7.CPU, 8. signaling module, 9.MPI communication cable.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further set forth, should be noted that following explanation is only in order to explain the utility model, its content not to be limited.
As shown in Figure 1, the utility model is a kind of supervision and trouble-shooter that is applied to the operation of oxygenerator electrical system, and the oxygenerator electrical system comprises PLC6, and PLC6 is connected to industrial computer 1 by MPI communication cable 9.PLC6 comprises signaling module 8 and CPU7, and industrial computer 1 comprises communication module 2, and wherein, CPU7 is connected with communication module 2 by MPI communication cable 9.Signaling module 8 adopts the DI module.Communication module 2 adopts Siemens CP5621 communication adapter.Industrial computer 1 is connected with keyboard 3, display 4 and mouse 5 respectively.
Principle of work of the present utility model:
The utility model is realized the exchanges data of industrial computer 1 and PLC6 by communication module 2, then, industrial computer 1 can utilize Win CC software, realizes oxygenerator frequency conversion, excitation electric control system operation monitoring, alarm logging and fault diagnosis functions.
Although above-mentionedly by reference to the accompanying drawings embodiment of the present utility model is described; but be not the restriction to the utility model protection domain; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection domain of the present utility model.
Claims (5)
1. supervision and a trouble-shooter that is applied to the operation of oxygenerator electrical system, is characterized in that, described oxygenerator electrical system comprises PLC, and described PLC is connected to industrial computer by the MPI communication cable.
2. supervision according to claim 1 and trouble-shooter, is characterized in that, described PLC comprises signaling module and CPU, and described industrial computer comprises communication module, and wherein, CPU is connected with communication module by the MPI communication cable.
3. supervision according to claim 2 and trouble-shooter, is characterized in that, described signaling module adopts the DI module.
4. supervision according to claim 2 and trouble-shooter, is characterized in that, described communication module adopts Siemens CP5621 communication adapter.
5. supervision according to claim 1 and trouble-shooter, is characterized in that, described industrial computer is connected with keyboard, display and mouse respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320325359 CN203276028U (en) | 2013-06-06 | 2013-06-06 | Monitoring and fault diagnosis apparatus applied to oxygenerator electrical system operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320325359 CN203276028U (en) | 2013-06-06 | 2013-06-06 | Monitoring and fault diagnosis apparatus applied to oxygenerator electrical system operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203276028U true CN203276028U (en) | 2013-11-06 |
Family
ID=49506399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320325359 Expired - Fee Related CN203276028U (en) | 2013-06-06 | 2013-06-06 | Monitoring and fault diagnosis apparatus applied to oxygenerator electrical system operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203276028U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107037800A (en) * | 2017-06-15 | 2017-08-11 | 中国人民解放军军事医学科学院卫生装备研究所 | Based on client oxygen generating plant remote failure diagnosis system and method for diagnosing faults |
| CN112327811A (en) * | 2020-11-17 | 2021-02-05 | 重庆朝阳气体有限公司 | Monitoring device applied to operation of oxygen generator electrical system |
-
2013
- 2013-06-06 CN CN 201320325359 patent/CN203276028U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107037800A (en) * | 2017-06-15 | 2017-08-11 | 中国人民解放军军事医学科学院卫生装备研究所 | Based on client oxygen generating plant remote failure diagnosis system and method for diagnosing faults |
| CN107037800B (en) * | 2017-06-15 | 2023-08-11 | 中国人民解放军军事医学科学院卫生装备研究所 | Fault diagnosis method based on remote fault diagnosis system of client-side oxygen generating equipment |
| CN112327811A (en) * | 2020-11-17 | 2021-02-05 | 重庆朝阳气体有限公司 | Monitoring device applied to operation of oxygen generator electrical system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203276028U (en) | Monitoring and fault diagnosis apparatus applied to oxygenerator electrical system operation | |
| CN108649696A (en) | A kind of power distribution automation monitoring platform | |
| CN201616674U (en) | Power system splitting and load shedding device | |
| CN201615761U (en) | Communication power and environment monitoring system | |
| CN108712113A (en) | A kind of online soft starting device of motor | |
| CN203084495U (en) | Comprehensive control box for tunneling machines | |
| CN201650588U (en) | Control device for brushless wind generator | |
| CN103337912B (en) | Master monitoring device of AC/DC (Alternating Current/Direct Current) integration power supply | |
| CN106059493A (en) | Solar photovoltaic power generation monitoring system employing wireless communication | |
| CN103529763A (en) | Auxiliary power monitoring system | |
| CN104967390A (en) | Mining frequency converter peripheral control system | |
| Rogowski et al. | Design and implementation of low-cost safety system for small wind turbine | |
| CN102946087A (en) | Low voltage frequency converter provided with overvoltage protection function and overvoltage protection method of low voltage frequency converter | |
| CN203774756U (en) | On-line monitoring protection device for relay protection of high voltage equipment | |
| CN203434746U (en) | Low pressure AC draw-out type switchgear on-line monitoring device | |
| CN207426918U (en) | Hydroenergy storage station machine pushes back road commutation equipment arrangement connecting structure | |
| CN208508822U (en) | A kind of online soft starting device of motor | |
| CN208939860U (en) | A kind of composite structure of Generator Set starting cabinet | |
| CN202084136U (en) | Remote network monitoring system of electric fire monitoring detector | |
| CN203339935U (en) | Low-voltage frequency converter having undervoltage protection function | |
| CN204168113U (en) | A kind of detection type supply unit | |
| CN202196097U (en) | Electric energy acquisition terminal expansion box | |
| CN206075036U (en) | A kind of coal feeder control system | |
| CN105827018B (en) | A kind of marine high-pressure power station control system | |
| CN203368047U (en) | Integrated grid-connection and inversion controller of wind generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20140606 |