CN210219344U - Water turbine top cover drain pipe monitoring system - Google Patents
Water turbine top cover drain pipe monitoring system Download PDFInfo
- Publication number
- CN210219344U CN210219344U CN201920788797.4U CN201920788797U CN210219344U CN 210219344 U CN210219344 U CN 210219344U CN 201920788797 U CN201920788797 U CN 201920788797U CN 210219344 U CN210219344 U CN 210219344U
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- China
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- drain pipe
- audio data
- audio
- vibration signal
- raspberry
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- 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
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Abstract
The utility model discloses a water and electricity hydraulic turbine top cap drain pipe monitored control system, including install the audio frequency vibrations probe that is used for gathering drain pipe vibration signal and audio data on the drain pipe, with audio frequency vibrations probe connection be used for receiving vibration signal and audio data and data processing's raspberry group, with the raspberry group connect the alarm that is used for the warning. The utility model discloses an installation audio frequency vibrations probe gathers the vibration signal and the audio data of drain pipe on the drain pipe, and the rethread raspberry is sent vibration signal and audio data to be handled, realizes detecting the drain pipe every day, and then replaces traditional manual work to patrol and examine and can overhaul in advance or change the drain pipe to can avoid closing the loss that the hydraulic turbine unit brought temporarily.
Description
Technical Field
The utility model belongs to the hydraulic turbine unit drain pipe overhauls field, concretely relates to water and electricity hydraulic turbine top cap drain pipe monitored control system.
Background
Because hydraulic turbine unit operating condition and operational environment make the drain pipe of the top connection of hydraulic turbine not only receive silt erosion for a long time, still be in the state of vibrations for a long time, and then make the junction of drain pipe and hydraulic turbine easily take place the phenomenon that the crackle appears after the attenuation to lead to the junction phenomenon of leaking, can only close the hydraulic turbine temporarily when this kind of condition appears, repair or change the drain pipe. At present, whether the drain pipe is repaired by inspecting and observing the drain pipe every day through a worker, advance prediction cannot be realized, and the drain pipe is overhauled in advance.
Disclosure of Invention
The utility model aims at providing a water and electricity hydraulic turbine top cap drain pipe monitored control system, this system realize the monitoring to the drain pipe through gathering vibration signal and audio data every day, and then overhaul the drain pipe in advance.
The utility model aims at realizing through the following technical scheme:
a hydroelectric turbine top cover drain pipe monitoring system comprises an audio vibration probe, a raspberry group and an alarm, wherein the audio vibration probe is arranged on a drain pipe and used for collecting drain pipe vibration signals and audio data, the raspberry group is connected with the audio vibration probe and used for receiving vibration signals and audio data and processing data, and the alarm is connected with the raspberry group and used for alarming.
Furthermore, the raspberry pie adopts a raspberry pie with a wifi module.
Further, raspberry group accessible wifi module is connected with the host computer.
The utility model discloses an installation audio frequency vibrations probe gathers the vibration signal and the audio data of drain pipe on the drain pipe, and the rethread raspberry is sent vibration signal and audio data to be handled the reality, realizes the detection to the drain pipe, and then replaces traditional manual work to patrol and examine and can overhaul in advance or change the drain pipe to can avoid closing the loss that the hydraulic turbine unit brought temporarily.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The water turbine is necessary equipment for converting water energy into electric energy, a water outlet is formed in the top of the water turbine, a flange is installed at the position of the water outlet and connected with a drain pipe, and the flange is connected with the drain pipe in a welding mode.
As shown in FIG. 1, the hydroelectric water turbine top cover drain pipe monitoring system provided by the embodiment comprises an audio vibration probe, a raspberry pi and an alarm. The audio frequency vibrations probe is installed on the drain pipe for vibration signal and the audio data of drain pipe at the hydraulic turbine during operation, the audio frequency vibrations probe adopts prior art's audio frequency vibrations probe to realize, and this product that the market has had multiple model can realize the collection to audio data and vibration signal, and this embodiment is not repeated here.
The raspberry group has the raspberry group that adopts to have the wifi function, the raspberry group is equipped with ARM11 series singlechip, use the SD card as the memory hard disk, there are 2 USB interfaces and 1 net gape, all integrate above-mentioned part on a mainboard that only is slightly bigger than the credit card, possess the basic function of all PCs, data processing function has promptly, be connected with audio frequency vibration probe through the signal line, acquire vibration signal and the audio data that audio frequency vibration probe gathered, and do data processing to vibration signal and audio data, and report to the police to the drain pipe that probably breaks.
The alarm can adopt the light alarm, can send the LED lamp of red light, controls lighting of LED lamp and reminds the staff, and the drain pipe of here probably breaks the phenomenon, in time overhauls or changes, and the alarm still can other alarms realize, like audible alarm, or audible-visual alarm.
The raspberry group is still from having the wifi function, and accessible wifi will gather vibration signal and audio data and send to the host computer, the host computer is the PC, installs data processing system in, handles the back warning to the data of gathering, and the warning of here is the audible alarm ware or the screen display that the PC is from taking.
The data processing means that the collected vibration signals and the audio data are subjected to normalization processing and then subjected to Fourier transform to obtain frequency domain data, the obtained frequency domain data are compared with a preset threshold value, and when the frequency domain data are smaller than the threshold value, an alarm is given, so that the drain pipe is pre-judged in advance, and maintenance is reasonably arranged. The threshold value is the average value of the frequency domain data of the vibration signals and the audio data collected when the water turbine works for a plurality of drain pipes which are about to generate cracks.
It should be noted that, this embodiment can also edit the regular check-out time every day in the program of the singlechip of raspberry group, need not real-time work, only need monitor 2 ~ 5 seconds's data every day, can realize the monitoring every day, compare with the threshold value after converting the data of monitoring every day into frequency domain data, realize the monitoring to the drain pipe, also can judge the problem that the hydraulic turbine probably appears through the time of twice maintenance.
The above is only the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and the utility model should be covered in the protection scope of the present invention.
Claims (3)
1. Hydroelectric water turbine top cap drain pipe monitored control system, its characterized in that: the alarm comprises an audio vibration probe, a raspberry group and an alarm, wherein the audio vibration probe is arranged on a drain pipe and used for collecting drain pipe vibration signals and audio data, the raspberry group is connected with the audio vibration probe and used for receiving the vibration signals and the audio data and processing the data, and the alarm is connected with the raspberry group and used for alarming.
2. The hydroelectric turbine top cap drain monitoring system of claim 1, wherein: the raspberry pie adopts a raspberry pie with a wifi module.
3. The hydroelectric turbine top cap drain monitoring system of claim 2, wherein: the raspberry group is connected with an upper computer through a wifi module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920788797.4U CN210219344U (en) | 2019-05-28 | 2019-05-28 | Water turbine top cover drain pipe monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920788797.4U CN210219344U (en) | 2019-05-28 | 2019-05-28 | Water turbine top cover drain pipe monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210219344U true CN210219344U (en) | 2020-03-31 |
Family
ID=69928355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920788797.4U Expired - Fee Related CN210219344U (en) | 2019-05-28 | 2019-05-28 | Water turbine top cover drain pipe monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210219344U (en) |
-
2019
- 2019-05-28 CN CN201920788797.4U patent/CN210219344U/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: 20200331 Termination date: 20210528 |