CN210769368U - Online vibration monitoring and controlling system for main circulating pump of converter station - Google Patents
Online vibration monitoring and controlling system for main circulating pump of converter station Download PDFInfo
- Publication number
- CN210769368U CN210769368U CN201921000082.4U CN201921000082U CN210769368U CN 210769368 U CN210769368 U CN 210769368U CN 201921000082 U CN201921000082 U CN 201921000082U CN 210769368 U CN210769368 U CN 210769368U
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- Prior art keywords
- circulating pump
- main circulating
- vibration
- rotating speed
- controller
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- Expired - Fee Related
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 18
- 230000002457 bidirectional effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims 1
- 238000004891 communication Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
A vibration on-line monitoring control system of a converter station main circulating pump comprises a system control cabinet, a display, a data acquisition system, a digital monitoring instrument, a condition control system and an alarm device; the control system control cabinet is sequentially provided with an alarm controller, a rotating speed controller, an industrial control computer, a data signal collector and a dynamometer controller from bottom to top; the vibration pre-alarming function of the main circulating pump is realized; the online fault monitoring and the safety accident prevention are realized by utilizing an upper computer processing system and network communication; the work tasks of operators in the station are reduced, the automation degree of equipment in the station is improved, and the production efficiency is improved.
Description
Technical Field
The utility model relates to a monitoring devices, concretely relates to current conversion station main circulating pump vibration on-line monitoring control system.
Background
The main circulating pump is equipment for keeping a continuous rotating operation state in a water cooling system in the converter station, a coupler is required to connect the centrifugal pump with the motor, the main circulating pump can provide enough pressure in normal operation, the constant pressure of a cooling medium of the inner water cooling system and the continuous flow of cooling liquid are guaranteed, and the silicon controlled rectifier and the components thereof are kept in a normal working temperature range through heat exchange with the outside. Once the main circulation pump fails, the water cooling system loses power and will trigger low pressure, temperature and flow alarms and trips, resulting in dc lock-up. Because the maintenance work of the main circulating pump is very important for the cold water system in the flow change station.
Among the types of failures occurring in the pump, excessive vibration of the circulation pump is the most likely failure. Excessive vibration tends to cause damage to the equipment and causes more of the pump to vibrate, but is generally due to mechanical reasons. Because there is not circulating pump vibration on-line monitoring device in the current conversion station, rely on the operation personnel fixed point regularly to patrol and observe the circulating pump every day, can't master the running condition of circulating pump in real time, also only rely on eyes to observe the vibration condition of circulating pump, can't the ration judge circulating pump vibration speed how much, whether reached the too big critical value of vibration.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a solve the interior main circulating pump operational aspect of present current conversion station and rely on the operation personnel fixed point to regularly patrol and observe, can not master the problem of the operational aspect of circulating pump in real time.
The utility model adopts the technical proposal that: a vibration online monitoring control system of a converter station main circulating pump comprises a system control cabinet, a display, a data acquisition system, a digital monitoring instrument, a condition control system, an alarm device and a dynamometer controller;
the control system control cabinet is sequentially provided with an alarm controller, a rotating speed controller, an industrial control computer and a data signal collector from bottom to top, and the display is bidirectionally connected with the industrial control computer through a VGA interface; the data acquisition system is bidirectionally connected with the data signal acquisition device through a CANopen interface; the digital monitoring instrument, the data acquisition system and the industrial control computer are in bidirectional connection, the industrial control computer is also in bidirectional connection with the rotating speed controller and the alarm controller, and the condition control system is connected with the rotating speed controller through a CAN interface; the data acquisition system is connected with data interfaces of a vibration sensor and a rotating speed sensor on the main circulating pump, and the condition control system is connected with a rotating speed control interface of the main circulating pump.
Furthermore, the bottom of the system control cabinet is provided with a UPS.
Furthermore, a hard bottom plate is arranged at the bottom of the main circulating pump.
Furthermore, the vibration sensors are distributed on the outlet flange of the main circulating pump, the bearing seat and the base.
The utility model has the advantages and characteristics that 1, the vibration pre-alarming function of the main circulating pump is realized. The online fault monitoring and the safety accident prevention are realized by utilizing an upper computer processing system and network communication; 2. the work tasks of the operators in the station are reduced, the automation degree of the equipment in the station is improved, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of the present invention;
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
example 1
Referring to fig. 1, an online vibration monitoring and controlling system for a main circulating pump of a converter station includes a system control cabinet 1, a display 7, a data acquisition system 8, a digital monitoring instrument 9, a condition control system 10, and an alarm device 11; the control system control cabinet 1 is sequentially provided with an alarm controller 6, a rotating speed controller 5, an industrial control computer 4, a data signal collector 3 and a dynamometer controller 2 from bottom to top; in order to improve the reliability of the system, the bottom of the system control cabinet 1 is provided with a UPS (uninterruptible power supply).
The display is connected with the industrial control computer 4 in a bidirectional way through a VGA interface; the data acquisition system 8 is bidirectionally connected with the data signal collector 3 through a CANopen interface; the digital monitoring instrument 9 is bidirectionally connected with the data acquisition system 8 and the industrial control computer 4, the industrial control computer 4 is also bidirectionally connected with the rotating speed controller 5 and the alarm controller 6, and the condition control system 10 is connected with the rotating speed controller 5 through a CAN interface; the data acquisition system 8 is connected with data interfaces of a vibration sensor and a rotating speed sensor on the main circulating pump 12, and the condition control system 10 is connected with a rotating speed control interface of the main circulating pump 12.
Example 2:
considering whether the installation of the device is stable has a great influence on the measurement of the vibrations of the device. The flexible mounting or fixing cannot be carried out on the flexible mounting base plate when measuring the vibration of the pump, and the pump is mounted on a fixed structure for measurement. Only if the fixed foundation has similar dynamic characteristics, the vibration intensity of the pumps of the same type can be correctly compared; the present embodiment is different from embodiment 1 in that a hard bottom plate 13 is attached to the bottom of the main circulation pump 12.
And (3) determining the installation position of the sensor: the vibration measurement of the pump non-rotating parts should be performed at the pump shaft seat (bearing housing) or close to the bearing. The position of the measuring point is selected from the position where the vibration energy is transmitted to the elastic base or other parts of the system. Based on the principle, the measuring points are selected at the outlet flange, the bearing seat and the base. Measuring points at the bearing seat and near the bearing are selected as main measuring points; and selecting the measuring points at the pump foot, the base and the outlet flange as auxiliary measuring points. Accordingly, the vibration sensors are distributed on the outlet flange of the main circulation pump 12, the bearing seat and the base.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description of the above embodiments and the description is only for the purpose of illustrating the structural relationships and principles of the present invention, and that there can be various changes and modifications without departing from the spirit and scope of the present invention, and that these changes and modifications all fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. A vibration online monitoring control system of a converter station main circulating pump comprises a system control cabinet (1), a display (7), a data acquisition system (8), a digital monitoring instrument (9), a condition control system (10), an alarm device (11) and a dynamometer controller (2); the method is characterized in that: the control system control cabinet (1) is sequentially provided with an alarm controller (6), a rotating speed controller (5), an industrial control computer (4) and a data signal collector (3) from bottom to top; the display is connected with the industrial control computer (4) in a bidirectional way through a VGA interface; the data acquisition system (8) is in bidirectional connection with the data signal acquisition unit (3) through a CANopen interface; the digital monitoring instrument (9) is bidirectionally connected with the data acquisition system (8) and the industrial control computer (4), the industrial control computer (4) is also bidirectionally connected with the rotating speed controller (5) and the alarm controller (6), and the condition control system (10) is connected with the rotating speed controller (5) through a CAN interface; the data acquisition system (8) is connected with the data interfaces of the vibration sensor and the rotating speed sensor on the main circulating pump (12), the condition control system (10) is connected with the rotating speed control interface of the main circulating pump (12), and the UPS is arranged at the bottom of the system control cabinet (1).
2. The on-line vibration monitoring and controlling system for the main circulating pump of the converter station as claimed in claim 1, wherein: and a hard bottom plate (13) is arranged at the bottom of the main circulating pump (12).
3. The on-line vibration monitoring and controlling system for the main circulating pump of the converter station as claimed in claim 1, wherein: the vibration sensors are distributed on an outlet flange of the main circulating pump (12), a bearing seat and a base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921000082.4U CN210769368U (en) | 2019-06-28 | 2019-06-28 | Online vibration monitoring and controlling system for main circulating pump of converter station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921000082.4U CN210769368U (en) | 2019-06-28 | 2019-06-28 | Online vibration monitoring and controlling system for main circulating pump of converter station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210769368U true CN210769368U (en) | 2020-06-16 |
Family
ID=71043094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921000082.4U Expired - Fee Related CN210769368U (en) | 2019-06-28 | 2019-06-28 | Online vibration monitoring and controlling system for main circulating pump of converter station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210769368U (en) |
-
2019
- 2019-06-28 CN CN201921000082.4U patent/CN210769368U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 |