CN205484391U - Intelligent rotational speed measurement and control device - Google Patents
Intelligent rotational speed measurement and control device Download PDFInfo
- Publication number
- CN205484391U CN205484391U CN201620225012.9U CN201620225012U CN205484391U CN 205484391 U CN205484391 U CN 205484391U CN 201620225012 U CN201620225012 U CN 201620225012U CN 205484391 U CN205484391 U CN 205484391U
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Abstract
The utility model discloses an intelligent rotational speed measurement and control device, including observing and controling the unit to and with the coaxial fixed rotor fluted disc of rotor, the input that observes and controls the unit is connected with the optoelectronic isolation circuit, keeps apart shaping circuit, associative cell, signal input unit and man -machine interface, the output that observes and controls the unit is connected with signal output unit and external alarm unit, the rotor fluted disc passes through proximity switch and optoelectronic isolation circuit connection, the input of keeping apart shaping circuit is equipped with signal acquisition element. The utility model discloses realize the monitoring of hydroelectric set operation overall process reliably, possess self -adaptation, self -learning, situation early -warning, correlation analysis and move auxiliary function, can popularize and apply widely in the observing and controlling of the hydroelectric set of hydroelectric power plant rotational speed to have great production practices meaning.
Description
Technical field
This utility model relates to a kind of intelligent rotating speed measure and control device.
Background technology
Rotating speed measure and control device is as one of the key equipment of hydroelectric power plant's hydrogenerator state Automated condtrol, require the rotating speed of turbine-generator units is carried out accurate, reliable, continuous detecting, the true running status reflecting turbine-generator units, and aid in the safe operation of turbine-generator units, Automated condtrol, operation instruction etc..
The traditional biography speed meter in hydroelectric power plant there is problems in that
(1) do not possess the monitoring of the overall process to turbine-generator units rotating speed and operating mode's switch.
(2) ability lack the storage to historical data, processing, analyzing.
(3) do not possesses the ability of remote maintenance.
(4) self adaptation, self study, self diagnostic capability.
(5) do not possess the characteristic parameter of interconnected system, historical data, discrete signal are comprehensively analyzed, and provide operation instruction suggestion.
Utility model content
The purpose of this utility model is to provide a kind of intelligent rotating speed measure and control device, to solve the problems referred to above.
For solving above-mentioned technical problem, this utility model provides a kind of intelligent rotating speed measure and control device, including measurement and control unit, and the rotor fluted disc fixing with rotor coaxial；The input of measurement and control unit connects photoelectric isolating circuit, isolation shaping circuit, associative cell, signal input unit and man-machine interface；The outfan of measurement and control unit connects signal output unit and external alarm unit；Rotor fluted disc is connected with photoelectric isolating circuit by proximity switch；The input of isolation shaping circuit is provided with signal gathering unit.
Further, measurement and control unit is connected with associative cell by wireless communication unit/Landline communication unit.
Further, described Landline communication unit includes Ethernet interface, serial ports and USB interface.
The beneficial effects of the utility model are: this utility model is reliably achieved turbine-generator units operating overall process monitoring, possess self adaptation, self study, status early warning, correlation analysis and run the function of auxiliary, hydroelectric power plant's turbine-generator units rotating speed observing and controlling can be applied to widely, be of great practical significance.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of this utility model.
Wherein: 1, rotor fluted disc；2, proximity switch；3, photoelectric isolating circuit；4, signal acquisition circuit；5, isolation shaping circuit；6, communication interface；7, associative cell；8, measurement and control unit；9, signal input unit；10, signal output unit；11, external alarm unit；12, man-machine interface.
Detailed description of the invention
Below detailed description of the invention of the present utility model is described; so that those skilled in the art understand this utility model; it is to be understood that; this utility model is not limited to the scope of detailed description of the invention; from the point of view of those skilled in the art; as long as various changes limit and in the spirit and scope of the present utility model that determine, these changes are apparent from appended claim, all utilize innovation and creation that this utility model conceives all at the row of protection.
Intelligent rotating speed measure and control device as shown in Figure 1, including measurement and control unit 8, and the rotor fluted disc 1 fixing with rotor coaxial；The input of measurement and control unit 8 connects photoelectric isolating circuit 3, isolation shaping circuit 5, associative cell 8, signal input unit 9 and man-machine interface 12；The outfan of measurement and control unit 8 connects signal output unit 10 and external alarm unit 11；Rotor fluted disc 1 is connected with photoelectric isolating circuit 3 by proximity switch 2；The input of isolation shaping circuit 5 is provided with signal gathering unit 4.
The rotor fluted disc 1 fixing with rotor coaxial, the output of pulse signal produced through proximity switch 2 is connected with measurement and control unit 8 to photoelectric isolating circuit 3, the outfan of photoelectric isolating circuit 3.Generator residual pressure signal is acquired by signal gathering unit 4, and exports to isolation shaping circuit 5, and isolation shaping circuit 5 outfan is connected with TT&C system.
Communication interface 6 in the application includes Ethernet interface, serial ports, radio network interface and USB interface, can meet different communication modes, conveniently and carries out data exchange between interconnected system 7, and realizes the maintenance management of device.
TT&C system completes tach signal and the storage of interconnected system 7 characteristic parameter, processes, analyzes.Be connected with other associative cell by communication interface 6, other associative cells 8(such as computer supervisory control system can be received) order that issues, parameter configuration, data exchange.Overrun value (max) according to unit change of water level automatic adjusting machine group, exceed setting value to rotating speed measure and control device dormancy, shielding contact output when turbine-generator units idle time.
Signal input unit 9 is connected with measurement and control unit 8, and measurement and control unit 8 collects measurand and the status signal of interconnected system 7 by signal input unit 9.
Signal output unit 10 is connected with measurement and control unit 8.When hydrogenerator rotating speed reaches preset value with the operation time, Auto-matching operating mode, realize the action such as off-limit alarm, brake input, excitation input, and externally output action signal, and 1-3 road 4-20mA analog output in conjunction with rotation speed change situation.Measurement and control unit 8 is connected with external alarm unit 11.When detecting that rotating speed is out-of-limit and during device exception, by external alarm unit 11 output alarm signal.
User can be arranged the metering system of device by man-machine interface 12, be adjusted parameter, data query etc. at the scene.This utility model checks the frequency of generating set, rotating speed, rotating speed percentage ratio, operating mode, the diagnostic message etc. of device by local man-machine interface 12 or intelligent terminal's (mobile phone, removable computer etc.).
Claims (3)
1. an intelligent rotating speed measure and control device, it is characterised in that include measurement and control unit, and the rotor fluted disc fixing with rotor coaxial；The input of described measurement and control unit connects photoelectric isolating circuit, isolation shaping circuit, associative cell, signal input unit and man-machine interface；The outfan of described measurement and control unit connects signal output unit and external alarm unit；Described rotor fluted disc is connected with described photoelectric isolating circuit by proximity switch；The input of described isolation shaping circuit is provided with signal gathering unit.
Intelligent rotating speed measure and control device the most according to claim 1, it is characterised in that described measurement and control unit is connected with associative cell by wireless communication unit/Landline communication unit.
Intelligent rotating speed measure and control device the most according to claim 2, it is characterised in that described Landline communication unit includes Ethernet, serial ports and USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620225012.9U CN205484391U (en) | 2016-03-23 | 2016-03-23 | Intelligent rotational speed measurement and control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620225012.9U CN205484391U (en) | 2016-03-23 | 2016-03-23 | Intelligent rotational speed measurement and control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205484391U true CN205484391U (en) | 2016-08-17 |
Family
ID=56651968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620225012.9U Expired - Fee Related CN205484391U (en) | 2016-03-23 | 2016-03-23 | Intelligent rotational speed measurement and control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205484391U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112578141A (en) * | 2020-12-25 | 2021-03-30 | 郑州龙威电子科技有限公司 | Intelligent speed detection sensor |
| CN112578142A (en) * | 2020-12-30 | 2021-03-30 | 福建仙游抽水蓄能有限公司 | Rotational speed signal acquisition system |
-
2016
- 2016-03-23 CN CN201620225012.9U patent/CN205484391U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112578141A (en) * | 2020-12-25 | 2021-03-30 | 郑州龙威电子科技有限公司 | Intelligent speed detection sensor |
| CN112578142A (en) * | 2020-12-30 | 2021-03-30 | 福建仙游抽水蓄能有限公司 | Rotational speed signal acquisition system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160817 Termination date: 20190323 |