CN220890385U - Thrust load monitoring device - Google Patents
Thrust load monitoring device Download PDFInfo
- Publication number
- CN220890385U CN220890385U CN202322556428.1U CN202322556428U CN220890385U CN 220890385 U CN220890385 U CN 220890385U CN 202322556428 U CN202322556428 U CN 202322556428U CN 220890385 U CN220890385 U CN 220890385U
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- CN
- China
- Prior art keywords
- thrust load
- touch screen
- sensor
- signal processor
- load monitoring
- 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.)
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 11
- 238000012544 monitoring process Methods 0.000 claims abstract description 14
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 3
- 229910010293 ceramic material Inorganic materials 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The utility model relates to a thrust load monitoring device which is used for monitoring the thrust bearing bush load of a hydroelectric generating set in a hydropower station. The system has the functions of measurement and recording, and the thrust load values of all channels are transmitted to a monitoring system through an RS485 interface. The technical scheme adopted by the utility model comprises a plurality of thrust load sensors, a signal processor, a touch screen and an upper computer; each thrust load sensor comprises a sensor sensing pen and a sensor transmitter, signals are transmitted to a signal processor through the sensor transmitter, the signal processor is connected with an alarm indicator lamp, the signal processor is further connected with a touch screen through RS485, and the touch screen is connected with an upper computer through RS 485.
Description
Technical Field
The utility model relates to a thrust load monitoring device which is used for monitoring the thrust bearing bush load of a hydroelectric generating set in a hydropower station.
Background
The hydropower station unit stably runs without separating the thrust bearing, not only bears the weight of the rotor of the generator unit, but also bears axial water thrust when the unit generates electricity, and the installation balance, the working performance and the running state of the hydropower station unit are directly related to whether the running of the unit is safe and reliable.
Along with the continuous increase of the single-machine capacity of the hydroelectric generating set, the requirements on the reliable operation of the set are higher and higher, and the requirements on the safe and reliable operation of the thrust bearing of the set are also higher and higher.
In the existing hydroelectric generating set thrust bearing installation process, a corresponding dial indicator is temporarily installed under each thrust tile, the dial indicator value is manually and visually read to assist in adjusting the installation balance, the dial indicator value is manually and visually read, a relatively large error exists, and the data recording is complex and unfavorable for arrangement. In the later stage of finishing the installation of the unit, the load parameters of the thrust bearing cannot be continuously monitored, faults cannot be predicted, and the safe and reliable operation of the unit is affected.
Disclosure of utility model
In view of the above, the present utility model provides a thrust load monitoring device, which has the functions of measurement and recording, and transmits the thrust load values of each channel to a monitoring system through an RS485 interface.
In order to solve the problems existing in the prior art, the utility model adopts the following technical scheme:
A thrust load monitoring device is characterized in that: the device comprises a plurality of thrust load sensors, a signal processor, a touch screen and an upper computer; each thrust load sensor comprises a sensor sensing pen and a sensor transmitter, signals are transmitted to a signal processor through the sensor transmitter, the signal processor is connected with an alarm indicator lamp, the signal processor is further connected with a touch screen through RS485, and the touch screen is connected with an upper computer through RS 485.
The touch screen and the signal processor are powered by a switching power supply.
The thrust load sensor is a high-precision pen-type displacement sensor, and the measuring head part is made of silicon nitride ceramic materials.
The thrust load sensor is 16 paths.
The touch screen is an embedded touch screen.
The touch screen is of the TPC7062 series.
The type of the thrust load sensor is LVDT8 series.
The model of the signal processor is ZTF-MAIN V1.00.
Compared with the prior art, the utility model has the following advantages:
1) The thrust load sensor adopts a high-precision pen-type displacement sensor, has stable and accurate measurement, and is suitable for high-precision and high-repeatability measurement in quality control and metering applications.
2) The embedded integrated touch screen is adopted, so that the monitoring is visual, the operation is stable, the anti-interference capability is strong, the content of a display interface is rich, the current measurement real-time value and the alarm state of each channel can be uniformly displayed, the historical curve can be inquired, the data can be stored in the historical mode, and the like; historical data can be exported to the USB flash disk, so that later data can be conveniently tidied and analyzed.
3) The utility model can monitor the 16-channel thrust load displacement value at the same time, each channel can set an alarm value independently, and output a switching value alarm contact.
4) The electronic circuit part of the sensor transmitter is sealed in the 304 stainless steel metal tube, outputs a standard direct current signal, and can stably work in a humid and dust environment.
5) The sensor provided by the utility model has the advantages that the thrust load displacement value of each channel can be corrected to zero point on line, so that the on-site installation is flexible and convenient.
6) The utility model has the advantages of convenient parameter setting, and can define the channel name, the channel alarm value and the like through the touch screen.
Drawings
FIG. 1 is a schematic block diagram of the present utility model;
Fig. 2 is a circuit diagram of the present utility model.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment provides a thrust load monitoring device, as shown in fig. 1, which comprises a signal processor, a touch screen, an upper computer and 16 paths of thrust load sensors, wherein each path of thrust load sensor comprises a sensor stylus and a sensor transmitter; each sensor sensing pen is connected with a sensor transmitter through a special cable, signals are transmitted to a signal processor through the sensor transmitter, the signal processor is connected with an alarm indicator lamp, the signal processor is further connected with an embedded touch screen through RS485, and the touch screen is connected with an upper computer through RS 485.
The touch screen and the signal processor are powered by a switching power supply.
The sensor pen is a high-precision pen type displacement sensor.
The model of the touch screen is TPC7062 series.
The model of the thrust load sensor is LVDT8 series.
The model of the signal processor is ZTF-MAIN V1.00.
According to the utility model, the load sensor test pencil is arranged at the thrust bearing of the unit, the sensor test pencil is connected to the sensor transmitter through a special cable, the sensor transmitter is connected to the wiring terminal of the monitoring device through a shielding cable, the measuring head part of the sensor test pencil adopts high-hardness wear-resistant material silicon nitride ceramics, and a precise guide rail is adopted in the sensor test pencil. When the bearing is installed, the measuring head is closely attached to the bearing force end face of the thrust bearing, and the load displacement of the bearing is obtained through synchronous movement of the measuring head and the thrust bearing.
The utility model works as follows: starting a power supply, enabling a sensor test pen and an on-site thrust bearing to synchronously generate displacement change signals, enabling the signals to be connected into a sensor transmitter through a special cable, enabling the sensor transmitter to convert the signals into standard signals, enabling the standard signals to be connected to a rear terminal block of a monitoring device through a shielding cable, enabling the standard signals to be connected into a signal processor, internally filtering the standard signals, enabling the converted signals to be connected to an embedded integrated touch screen through the RS485 after the standard signals are changed, enabling the touch screen to check thrust load displacement values and alarm states of all channels, enabling the channels to be configured, setting parameters, and achieving functions of history curve recording, report recording, history data storage and the like. Meanwhile, the touch screen transmits data with the monitoring system through the RS485 interface.
The circuit diagram of the utility model is shown in figure 2, the device is powered by a dual power supply (PW 1, PW 2) for supplying power to each internal unit, the signal processing board is externally connected with 16 paths of thrust load sensor signals, the collected signals are filtered, analyzed and processed, the signal processing board is connected with the touch screen through RS485, the touch screen displays and processes each path of signals, alarm judgment is carried out, alarm information is transmitted to the signal processing board, the signal processing board controls the panel of the device to alarm the state of an indicator lamp, and an alarm joint is simultaneously transmitted to a monitoring system. The touch screen can be used for checking 16 paths of thrust load real-time measurement values and alarm state information, and can realize the functions of history curve record, report record, data record export to a U disk, channel configuration, parameter setting and the like. Meanwhile, the touch screen transmits data with the monitoring system through the RS485 interface.
Claims (8)
1. A thrust load monitoring device is characterized in that: the device comprises a plurality of thrust load sensors, a signal processor, a touch screen and an upper computer; each thrust load sensor comprises a sensor sensing pen and a sensor transmitter, signals are transmitted to a signal processor through the sensor transmitter, the signal processor is connected with an alarm indicator lamp, the signal processor is further connected with a touch screen through RS485, and the touch screen is connected with an upper computer through RS 485.
2. A thrust load monitoring apparatus according to claim 1, wherein: the thrust load sensor is a high-precision pen-type displacement sensor, and the measuring head part is made of silicon nitride ceramic materials.
3. A thrust load monitoring device according to claim 1 or 2, characterized in that: the thrust load sensor is 16 paths.
4. A thrust load monitoring apparatus according to claim 3, wherein: the touch screen is an embedded touch screen.
5. The thrust load monitoring apparatus of claim 4, wherein: the touch screen is of the TPC7062 series.
6. The thrust load monitoring apparatus of claim 5, wherein: the type of the thrust load sensor is LVDT8 series.
7. The thrust load monitoring apparatus of claim 6, wherein: the model of the signal processor is ZTF-MAIN V1.00.
8. The thrust load monitoring apparatus of claim 7, wherein: the touch screen and the signal processor are powered by a switching power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322556428.1U CN220890385U (en) | 2023-09-20 | 2023-09-20 | Thrust load monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322556428.1U CN220890385U (en) | 2023-09-20 | 2023-09-20 | Thrust load monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220890385U true CN220890385U (en) | 2024-05-03 |
Family
ID=90839971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322556428.1U Active CN220890385U (en) | 2023-09-20 | 2023-09-20 | Thrust load monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220890385U (en) |
-
2023
- 2023-09-20 CN CN202322556428.1U patent/CN220890385U/en active Active
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