CN214464630U - Shear pin signal monitoring device - Google Patents
Shear pin signal monitoring device Download PDFInfo
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- CN214464630U CN214464630U CN202120466986.7U CN202120466986U CN214464630U CN 214464630 U CN214464630 U CN 214464630U CN 202120466986 U CN202120466986 U CN 202120466986U CN 214464630 U CN214464630 U CN 214464630U
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- shear pin
- monitoring device
- signal monitoring
- display module
- module
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model relates to a shearing pin signal monitoring device, which comprises a multipath shearing pin annunciator, a signal isolation module, a singlechip and a display module; the multipath shear pin annunciators are respectively connected with the signal isolation module and then connected with the single chip microcomputer; the single chip microcomputer is connected with a display module, and the display module comprises a plurality of LED state lamps which respectively correspond to the shearing pin annunciators. Whether this device comes the cutting of real-time supervision hydraulic turbine operation in-process stator through connecting the shear pin annunciator to show through status light and charactron, the bright of status light shows whether corresponding stator state is cut, two charactrons show the quantity of cutting the stator, which annunciator cuts surveyability, saved a large amount of human costs and time cost.
Description
Technical Field
The utility model relates to a device of monitoring hydraulic turbine stator state, concretely relates to shear pin signal monitoring devices.
Background
At present, the shear pin monitoring device on the market is used for monitoring all shear pin signals which are connected on an instrument in series, wherein only one shear pin is required to be arranged on dozens of signals, the device gives an alarm, the structure is too simple, once the alarm is used for detecting faults, all shear pin annunciators need to be checked once, and time and labor are wasted.
Disclosure of Invention
The utility model aims at providing a shear pin signal monitoring devices, with the shear pin annunciator one-to-one on LED state lamp and the unit stator, overcome prior art's defect.
The utility model discloses the technical scheme who adopts does:
the utility model provides a shear pin signal monitoring devices which characterized in that:
the device comprises a multi-path shearing pin annunciator, a signal isolation module, a single chip microcomputer and a display module;
the multipath shear pin annunciators are respectively connected with the signal isolation module and then connected with the single chip microcomputer;
the single chip microcomputer is connected with a display module, and the display module comprises a plurality of LED state lamps which respectively correspond to the shearing pin annunciators.
The model of the single chip microcomputer is STM32F103C8T 6.
The signal isolation module is of the model PCF 8574.
The device also comprises a communication module which can upload the monitoring information to an upper computer, and the communication module is connected with the singlechip.
The communication module is an RS485 communication module, and the model is TD501D 485H.
The device also comprises an output driving circuit for alarming, and the output driving circuit is connected to the singlechip.
The output driving circuit is G6S-2-24 VDC.
The model of the display chip of the display module is 74HC 595.
Each LED state lamp of the display module corresponds to a nixie tube for displaying the number of the cutting pin annunciators.
The utility model has the advantages of it is following:
the device monitors whether the guide vane is cut or not in the running process of the water turbine in real time by connecting the cutting pin annunciator, and displays the cutting state of the guide vane or not through the state lamp and the nixie tube, the on and off of the state lamp displays the cutting state of the corresponding guide vane, and the two nixie tubes display the number of the cut guide vanes.
Drawings
Fig. 1 is a system connection diagram of the present invention.
Fig. 2 is a schematic view of a status light and a nixie tube display.
Detailed Description
The present invention will be described in detail with reference to the following embodiments.
The utility model relates to a shearing pin signal monitoring device, which comprises a multipath shearing pin annunciator, a signal isolation module, a singlechip and a display module; the multipath shear pin annunciators are respectively connected with the signal isolation module and then connected with the single chip microcomputer; the single chip microcomputer is connected with a display module, and the display module comprises a plurality of LED state lamps which respectively correspond to the shearing pin annunciators.
The single chip microcomputer is an STM32F103C8T6 processor.
The model of the signal isolation module is PCF8574, and the external electromagnetic field interference of the generator set is large. For isolating electromagnetic interference from external sensors.
The device also comprises a communication module which can upload the monitoring information to an upper computer, and the communication module is connected with the singlechip. The communication module is an RS485 communication module, the model is TD501D485H, and the MODE BUS RTU communication protocol is supported.
The device also comprises a relay output driving circuit used for alarming, and the output driving circuit is connected with the singlechip. The output driving circuit is G6S-2-24 VDC.
The device also comprises a power supply input and conversion module which provides electric energy for the operation of the device.
The display chip model of the display module is 74HC595, and each LED status light of the display module corresponds to a nixie tube for displaying the number of the shearing pin annunciators.
The user can set various parameters manually on site through the keys, and can set the number of alarm paths manually, for example, the user sets the alarm path number to be more than 3, and the device can alarm and output only when the three paths of shearing pin annunciators are sheared simultaneously, so that the device is not too sensitive and can alarm frequently.
The device innovatively uses a plurality of LEDs to correspond to the cutting pin annunciators on the guide vanes of the unit one by one, which annunciator is cut off is clear, and a large amount of labor cost and time cost are saved.
The content of the present invention is not limited to the examples, and any equivalent transformation adopted by the technical solution of the present invention is covered by the claims of the present invention by those skilled in the art through reading the present invention.
Claims (9)
1. The utility model provides a shear pin signal monitoring devices which characterized in that:
the device comprises a multi-path shearing pin annunciator, a signal isolation module, a single chip microcomputer and a display module;
the multipath shear pin annunciators are respectively connected with the signal isolation module and then connected with the single chip microcomputer;
the single chip microcomputer is connected with a display module, and the display module comprises a plurality of LED state lamps which respectively correspond to the shearing pin annunciators.
2. A shear pin signal monitoring device according to claim 1, wherein:
the model of the single chip microcomputer is STM32F103C8T 6.
3. A shear pin signal monitoring device according to claim 2, wherein:
the signal isolation module is of the model PCF 8574.
4. A shear pin signal monitoring device according to claim 3, wherein:
the device also comprises a communication module which can upload the monitoring information to an upper computer, and the communication module is connected with the singlechip.
5. The shear pin signal monitoring device of claim 4, wherein:
the communication module is an RS485 communication module, and the model is TD501D 485H.
6. The shear pin signal monitoring device of claim 5, wherein:
the device also comprises an output driving circuit for alarming, and the output driving circuit is connected to the singlechip.
7. The shear pin signal monitoring device of claim 6, wherein:
the output driving circuit is G6S-2-24 VDC.
8. The shear pin signal monitoring device of claim 7, wherein:
the model of the display chip of the display module is 74HC 595.
9. A shear pin signal monitoring device according to claim 8, wherein:
each LED state lamp of the display module corresponds to a nixie tube for displaying the number of the cutting pin annunciators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120466986.7U CN214464630U (en) | 2021-03-04 | 2021-03-04 | Shear pin signal monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120466986.7U CN214464630U (en) | 2021-03-04 | 2021-03-04 | Shear pin signal monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214464630U true CN214464630U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120466986.7U Active CN214464630U (en) | 2021-03-04 | 2021-03-04 | Shear pin signal monitoring device |
Country Status (1)
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| CN (1) | CN214464630U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753958A (en) * | 2022-03-03 | 2022-07-15 | 华能澜沧江水电股份有限公司 | Hydraulic turbine stator shear pin monitoring devices |
-
2021
- 2021-03-04 CN CN202120466986.7U patent/CN214464630U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753958A (en) * | 2022-03-03 | 2022-07-15 | 华能澜沧江水电股份有限公司 | Hydraulic turbine stator shear pin monitoring devices |
| CN114753958B (en) * | 2022-03-03 | 2023-11-17 | 华能澜沧江水电股份有限公司 | Monitoring device for shear pin of guide vane of water turbine |
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