CN202065118U - Intelligent water turbine revolving speed signal device - Google Patents
Intelligent water turbine revolving speed signal device Download PDFInfo
- Publication number
- CN202065118U CN202065118U CN2011201046659U CN201120104665U CN202065118U CN 202065118 U CN202065118 U CN 202065118U CN 2011201046659 U CN2011201046659 U CN 2011201046659U CN 201120104665 U CN201120104665 U CN 201120104665U CN 202065118 U CN202065118 U CN 202065118U
- Authority
- CN
- China
- Prior art keywords
- unit
- circuit unit
- water turbine
- chip microcomputer
- scm system
- 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.)
- Expired - Fee Related
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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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- Control Of Eletrric Generators (AREA)
Abstract
An intelligent water turbine revolving speed signal device relates to the technical field of a signal instrument and comprises a system power supply, a single chip microcomputer system, an output driving circuit unit, a revolving speed signal acquisition unit, a display control unit, a monitoring circuit unit and an analog output circuit unit. The output end of the system power supply is connected with the single chip microcomputer system, the output end of the revolving speed signal acquisition unit is connected with the single chip microcomputer system, the output end of the single chip microcomputer system is connected with the output driving circuit unit, the single chip microcomputer system is connected with the analog output circuit unit, the single chip microcomputer system is connected with the monitoring circuit unit, and the single chip microcomputer system is connected with the display control unit. The revolving speed signal device serves for automatically starting and shutting down the water turbine and the monitoring system of the water turbine and provides a guarantee for automatic control and protection of a water turbine unit.
Description
Technical field
The utility model relates to a kind of bashertron technical field.
Background technique
The tachometric survey of water wheels unit is very important to the automation control of water turbine; but existing testing the speed of water turbine exists the speed measuring motor centre deviation bigger; the rotating speed measuring point is single; it can't reach opening automatically, shut down and realizing and monitoring that it can't provide safeguard for the automation control and the protection of unit of water wheels unit.
Summary of the invention
The utility model provides a kind of intelligent rotational speed of water turbine telltale, and purpose is to water turbine leaves automatically, the service of shutdown and water turbine supervisory system, for unit automation control and protection provide safeguard.
The utility model comprises system power supply, SCM system, output driving circuit unit, tach signal collecting unit, indicative control unit, supervisory circuit unit, analog output circuit unit, described system power supply output terminal is connected with SCM system, the output terminal of described tach signal collecting unit is connected with SCM system, described SCM system output terminal is connected with the output driving circuit unit, described SCM system is connected with the analog output circuit unit, described SCM system is connected with the supervisory circuit unit, and described SCM system is connected with indicative control unit.
The utility model is used for the intelligent measure of water wheels generating unit speed, the external tach signal collecting unit of hydraulic turbine generator, the tach signal collecting unit is transferred to SCM system with the signal that collects, the measurement commutator pulse that produces behind the inner frequency division of SCM system transfers to the output driving circuit unit, the tach signal of single-chip microcomputer output is transferred to the supervisory circuit unit through supervisory circuit, the supervisory circuit unit also is transferred to single-chip microcomputer by supervisory circuit with control information, SCM system sends rotary speed information and the relay status signal that calculates to indicative control unit through demonstration and key circuit, indicative control unit also is transported to SCM system by the parameter information that shows and key circuit will be set and revise, SCM system with the information processing that receives after analogue quantity output circuit is exported and generating unit speed corresponding simulating amount signal to simulating output unit; This tach signal instrument for open automatically, the service of shutdown and water turbine supervisory system, for unit automation control and protection provide safeguard.
System power supply described in the utility model is made up of switch and power supply, and described power input voltage is AC85-265V or DC110-340V, instrument stable operation in the time of can guaranteeing voltage functuation like this.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Among the figure, 1, system power supply, 2, SCM system, 3, the tach signal collecting unit, 4, the output driving circuit unit, 5, indicative control unit, 6, the supervisory circuit unit, 7, the analog output circuit unit.
Embodiment
As shown in Figure 1, this intelligent rotational speed of water turbine bashertron, comprise system power supply 1, SCM system 2, output driving circuit unit 4, tach signal collecting unit 3, indicative control unit 5, supervisory circuit unit 6, analog output circuit unit 7, system power supply 1 output terminal is connected with SCM system 2, the output terminal of tach signal collecting unit 3 is connected with SCM system 2, SCM system 2 output terminals are connected with output driving circuit unit 4, SCM system 2 is connected with analog output circuit unit 7, SCM system 2 is connected with supervisory circuit unit 6, and SCM system 2 is connected with indicative control unit 5.
The tach signal collecting unit of this intelligent rotational speed of water turbine bashertron comprises voltage transformer and tacho-pulse sensor, and described voltage transformer, tacho-pulse sensor output terminal are connected with SCM system respectively.Indicative control unit comprises nixie tube, LFD lamp, four buttons, and described nixie tube, button are connected with SCM system respectively, and the LFD lamp is connected with SCM system.Monitoring and simulation output unit comprise the telecommunication control unit, and this unit is RS485 communication output, and every instrument can be set the address of oneself.System power supply is made up of switch and power supply, and power input voltage is AC85-265V or DC110-340V.
Four buttons of signal gathering unit are used for setting and revise parameter, and nixie tube shows speed revolution value, the parameter value of display setting and modification when set condition, the operating state of a LFD lamp reflection relay in working order the time.
Monitoring of this intelligent rotational speed of water turbine bashertron and simulation output unit comprise the telecommunication control unit, this unit is RS485 communication output, every instrument can be set the address of oneself, it can directly send signals such as the tach signal of instrument and relay status to the host computer system, can have simultaneously and generating unit speed corresponding simulating amount signal output 4-20mA.
The drive circuit unit that goes out of this intelligent rotational speed of water turbine bashertron comprises No. ten relays, the input end of each relay is connected with SCM system, this bashertron is by multicircuit relay output speed state, the rotating speed export value can be adjusted within the specific limits, wherein the part output point is when rotating speed rises to setting value and be failure to actuate, the 2nd, when dropping to this setting value, rotating speed just moves, when dropping to 0%, rotating speed just resets, and this working method is that the self-actuating brake of unit is provided convenience.
The tach signal of this intelligent rotational speed of water turbine telltale adopts two kinds of acquisition modes simultaneously, the one, the residual voltage mode, he is a residual voltage signal of obtaining generator by the voltage transformer that links to each other with the Out let of hydraulic turbine generator, send the rotating speed of the equipment that calculates with SCM system through the frequency signal of its remaining voltage of transition detection, send indicative control unit to show; The 2nd, the fluted disc speed measuring mode, it is made up of the fluted disc and the tacho-pulse sensor that are installed on the alternator shaft, and it obtains the fluted disc signal of generator, and calculates the rotating speed of equipment according to this two paths of signals signal by single-chip microcomputer, send indicative control unit.
Claims (2)
1. intelligent rotational speed of water turbine telltale, it is characterized in that comprising system power supply, SCM system, the output driving circuit unit, the tach signal collecting unit, indicative control unit, the supervisory circuit unit, the analog output circuit unit, described system power supply output terminal is connected with SCM system, the output terminal of described tach signal collecting unit is connected with SCM system, described SCM system output terminal is connected with the output driving circuit unit, described SCM system is connected with the analog output circuit unit, described SCM system is connected with the supervisory circuit unit, and described SCM system is connected with indicative control unit.
2. intelligent rotational speed of water turbine telltale according to claim 1 is characterized in that system power supply is made up of switch and power supply, and described power input voltage is AC85-265V or DC110-340V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201046659U CN202065118U (en) | 2011-04-12 | 2011-04-12 | Intelligent water turbine revolving speed signal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201046659U CN202065118U (en) | 2011-04-12 | 2011-04-12 | Intelligent water turbine revolving speed signal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202065118U true CN202065118U (en) | 2011-12-07 |
Family
ID=45058983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201046659U Expired - Fee Related CN202065118U (en) | 2011-04-12 | 2011-04-12 | Intelligent water turbine revolving speed signal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202065118U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405574A (en) * | 2014-11-25 | 2015-03-11 | 无锡科思电子科技有限公司 | Water wheel rotating speed monitoring system based on output pulse frequency |
| CN107941203A (en) * | 2017-11-29 | 2018-04-20 | 张建洲 | A kind of intellectual faculties and method |
-
2011
- 2011-04-12 CN CN2011201046659U patent/CN202065118U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405574A (en) * | 2014-11-25 | 2015-03-11 | 无锡科思电子科技有限公司 | Water wheel rotating speed monitoring system based on output pulse frequency |
| CN107941203A (en) * | 2017-11-29 | 2018-04-20 | 张建洲 | A kind of intellectual faculties and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 Termination date: 20130412 |