CN206668448U - A kind of hydroelectric generating set monitoring device - Google Patents
A kind of hydroelectric generating set monitoring device Download PDFInfo
- Publication number
- CN206668448U CN206668448U CN201720398017.6U CN201720398017U CN206668448U CN 206668448 U CN206668448 U CN 206668448U CN 201720398017 U CN201720398017 U CN 201720398017U CN 206668448 U CN206668448 U CN 206668448U
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- China
- Prior art keywords
- collecting instrument
- turbine
- data collecting
- generator units
- monitoring device
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 20
- 230000035939 shock Effects 0.000 claims abstract description 18
- 238000006073 displacement reaction Methods 0.000 claims abstract description 9
- 238000005259 measurement Methods 0.000 claims abstract description 8
- 230000010355 oscillation Effects 0.000 claims abstract description 3
- 238000001514 detection method Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 241000239290 Araneae Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006757 chemical reactions by type Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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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
Abstract
A kind of hydroelectric generating set monitoring device is the utility model is related to, including：Computer, data collecting instrument and the sensor group electrically connected with the data collecting instrument, sensor group include：Low-frequency shock transducer, current vortex sensor, pressure transmitter and power transducer, wherein, low-frequency shock transducer is used for the vibration frequency and oscillation intensity for measuring turbine-generator units fixed component；Current vortex sensor is used to measure the main shaft runout i.e. radial displacement at the guide bearing of turbine-generator units three；Pressure fluctuation, inlet and outlet head differential pressure and the flow differential pressure that pressure transmitter is used to measure inside turbine-generator units；Power transducer is used for the active power and reactive power for measuring turbine-generator units；Data collecting instrument is used to gather the measurement data of sensor and is sent to computer；Computer is used for the running status for detecting and assessing turbine-generator units.The technical solution of the utility model, the monitoring to turbine-generator units working condition can be realized.
Description
Technical field
It the utility model is related to hydroelectric generating set monitoring equipment technical field, and in particular to a kind of turbine-generator units prison
Survey device.
Background technology
Turbine-generator units are made up of the hydraulic turbine and the generating set being driven by it, and the hydraulic turbine is as former dynamic in unit
Machine, it utilizes the energy operation of water, electrical power generators is driven, for water body mechanical energy to be converted to a set of machine of electric energy.Often
The hydraulic turbine has impact type, reaction type, tubular and reversible.Generator then uses synchronous generator.
Mixed-flow, axial-flow type, tubular, impingement type hydraulic generator group and pump-storage generator after running for many years,
With the abrasion of machine group parts, can typically deteriorate when the running status of unit more initially puts into operation.Therefore, the fortune of unit is grasped
Professional etiquette is restrained, and according to the running status of relevant criterion evaluation unit, is divided the vibration area of unit, is optimized the operation of unit, extends
The service life of unit is just highly significant.For axial-flow rotary propeller type and through-flow rotary propeller type unit, the joint that also can correct unit is bent
Line, improve the operational efficiency of unit.
Therefore, a kind of equipment that can monitor turbine-generator units working condition of utility model, for turbine-generator units
Safe and stable, economical operation it is significant, play decision-making branch for the even each basin Optimized Operation unit in each power station
Support, has huge economic benefit and social benefit.
Utility model content
In view of this, the purpose of this utility model is overcome the deficiencies in the prior art, there is provided a kind of turbine-generator units
Monitoring device, realize the monitoring to turbine-generator units working condition.
To realize object above, the utility model adopts the following technical scheme that：
A kind of hydroelectric generating set monitoring device, including：Computer, data collecting instrument and it is electrically connected with the data collecting instrument
The sensor group connect, wherein,
The sensor group includes：Low-frequency shock transducer, current vortex sensor, pressure transmitter and power transducer,
Wherein, the low-frequency shock transducer is used for the vibration frequency and oscillation intensity for measuring turbine-generator units fixed component；It is described
Current vortex sensor is used to measure the main shaft runout i.e. radial displacement at the guide bearing of turbine-generator units three；The pressure transmitter
For measuring pressure fluctuation, inlet and outlet head differential pressure and flow differential pressure inside turbine-generator units；The power transducer
For measuring the active power and reactive power of turbine-generator units；
The data collecting instrument is used to gather low-frequency shock transducer, current vortex sensor, pressure transmitter and power change
Send the measurement data of device and be sent to the computer；The computer electrically connects with the data collecting instrument, the computer
For detecting and assessing the running status of turbine-generator units.
Preferably, the data collecting instrument includes linear power supply, the linear power supply be used for for the data collecting instrument and
Sensor group is powered；
External 100~240V the AC powers of linear power supply, the alternating source frequency that the linear power supply can be born
Scope is 50Hz~60Hz, and the linear power supply output is 24V multi-channel DCs electricity.
Preferably, the data collecting instrument also includes that 4~20mA current signals and -10~10V voltage signals can be received
Current Voltage Acquisition Circuit and multifunctional data acquisition card, it is the multifunctional data acquisition card that Current Voltage Acquisition Circuit, which is used for,
- 10~10V voltage signal is provided.
Preferably, the data collecting instrument is provided with three pin Aviation Connectors, and the three pins Aviation Connector includes 24V direct currents
Joint, signal wire joint and publicly joint；Wherein, 24V direct currents electric connection be used for for sensor group power, signal wire joint and
Publicly joint is used for the feedback signal for receiving the sensor group.
Preferably, the data collecting instrument includes multiple data acquisition channels, wherein, multiple data acquisition channels are total
Highest sample frequency be 100kHz, resolution ratio is 16, error<0.015%；Single channel input impedance is 10M Ω, power supply electricity
Pressure scope is 9V~25V, and power consumption 3W, 0~55 DEG C of operating ambient temperature, work relative humidity is 10%~90%.
Preferably, it is plesiochronous to be that 32 or 48,32 or 48 data acquisition channels pass through for the data acquisition channel
Mode carries out data acquisition.
Preferably, the data collecting instrument is reserved with backup sensors interface.
Preferably, the data collecting instrument includes industry ethernet interface, the Ethernet interface of the data collecting instrument with
The computer is connected by netting twine.
Preferably, the low-frequency shock transducer is that displacement output type low-frequency shock transducer or speed output type low frequency shake
Dynamic sensor.
Preferably, the sensor group is electrically connected by three-core shielding cable with the data collecting instrument.
The utility model uses above technical scheme, at least possesses following beneficial effect：
As shown from the above technical solution, this hydroelectric generating set monitoring device provided by the utility model, low-frequency vibration
Sensor can measure the vibration of turbine-generator units fixed component, such as upper spider, lower bearing bracket, out frame, stator core, top
The parts such as lid；Current vortex sensor can measure and three lead the main shaft runout i.e. radial displacement at (above lead, under lead led with water) bearing；
Pressure transmitter can measure pressure fluctuation inside turbine-generator units, inlet and outlet head differential pressure and flow differential pressure etc.；Work(
Rate transmitter can measure the parameters such as active power and the reactive power of turbine-generator units；Data collecting instrument can gather low frequency
Vibrating sensor, current vortex sensor, pressure transmitter and power transducer measurement data and be sent to computer, computer
The measurement data that can be sent according to sensor group, detection and the running status for assessing turbine-generator units, compared with prior art,
The monitoring to turbine-generator units working condition can be realized, safe and stable, the economical operation for turbine-generator units have
Significance, play decision support for the even each basin Optimized Operation unit in each power station, have huge economic benefit and
Social benefit.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic block diagram for hydroelectric generating set monitoring device that the embodiment of the utility model one provides.
Embodiment
, below will be to technology of the present utility model to make the purpose of this utility model, technical scheme and advantage clearer
Scheme is described in detail.Obviously, described embodiment is only the utility model part of the embodiment, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not before creative work is made
Resulting all other embodiment is put, belongs to the scope that the utility model is protected.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Referring to Fig. 1, a kind of hydroelectric generating set monitoring device of the embodiment of the utility model one offer, including：Computer
1st, data collecting instrument 2 and the sensor group 3 electrically connected with the data collecting instrument 2, wherein,
The sensor group 3 includes：Low-frequency shock transducer 31, current vortex sensor 32, pressure transmitter 33 and power
Transmitter 34, wherein, the low-frequency shock transducer 31 is used to measure the vibration frequency of turbine-generator units fixed component and shaken
Fatigue resistance；The current vortex sensor 32 is used to measure the main shaft runout i.e. radial displacement at the guide bearing of turbine-generator units three；
Pressure fluctuation, inlet and outlet head differential pressure and the difference in flow that the pressure transmitter 33 is used to measure inside turbine-generator units
Pressure；The power transducer 34 is used for the active power and reactive power for measuring turbine-generator units；
The data collecting instrument is used to gather low-frequency shock transducer, current vortex sensor, pressure transmitter and power change
Send the measurement data of device and be sent to the computer；The computer electrically connects with the data collecting instrument, the computer
For detecting and assessing the running status of turbine-generator units.
It should be noted that capture card is connected by netting twine with computer, turbine-generator units shape is installed in computer
State is detected with assessing dedicated analysis software (prior art), and after the collection of dedicated analysis software log-on data, data will be sent simultaneously
It is stored into computer.Data are studied by specialty analysis software, to detect and assess the operation of turbine-generator units
State.Turbine-generator units state-detection possesses signal peak peak computational, signal frequency composition point with assessing dedicated analysis software
A series of functions such as analysis, the big axle rotation status analysis of unit, the analysis of unit weightlessness angle, operating states of the units assessment.
As shown from the above technical solution, this hydroelectric generating set monitoring device provided by the utility model, low-frequency vibration
Sensor can measure the vibration of turbine-generator units fixed component, such as upper spider, lower bearing bracket, out frame, stator core, top
The parts such as lid；Current vortex sensor can measure and three lead the main shaft runout i.e. radial displacement at (above lead, under lead led with water) bearing；
Pressure transmitter can measure pressure fluctuation inside turbine-generator units, inlet and outlet head differential pressure and flow differential pressure etc.；Work(
Rate transmitter can measure the parameters such as active power and the reactive power of turbine-generator units；Data collecting instrument can gather low frequency
Vibrating sensor, current vortex sensor, pressure transmitter and power transducer measurement data and be sent to computer, computer
The measurement data that can be sent according to sensor group, detection and the running status for assessing turbine-generator units, compared with prior art,
The monitoring to turbine-generator units working condition can be realized, safe and stable, the economical operation for turbine-generator units have
Significance, play decision support for the even each basin Optimized Operation unit in each power station, have huge economic benefit and
Social benefit.
Preferably, the data collecting instrument 2 includes linear power supply, the linear power supply be used for for the data collecting instrument and
Sensor group is powered；
External 100~240V the AC powers of linear power supply, the alternating source frequency that the linear power supply can be born
Scope is 50Hz~60Hz, and the linear power supply output is 24V multi-channel DCs electricity.
Preferably, the data collecting instrument 2 also includes that 4~20mA current signals and -10~10V voltage signals can be received
Current Voltage Acquisition Circuit and multifunctional data acquisition card, it is the multifunctional data acquisition card that Current Voltage Acquisition Circuit, which is used for,
- 10~10V voltage signal is provided.
Preferably, the data collecting instrument 2 is provided with three pin Aviation Connectors, and the three pins Aviation Connector includes 24V direct currents
Electric connection, signal wire joint and publicly joint；Wherein, 24V direct currents electric connection is used to power for sensor group, signal wire joint
Publicly joint is used for the feedback signal for receiving the sensor group.
Preferably, the data collecting instrument 2 includes multiple data acquisition channels, wherein, multiple data acquisition channels
Total highest sample frequency is 100kHz, and resolution ratio is 16, error<0.015%；Single channel input impedance is 10M Ω, power supply
Voltage range is 9V~25V, and power consumption 3W, 0~55 DEG C of operating ambient temperature, work relative humidity is 10%~90%.
Preferably, it is plesiochronous to be that 32 or 48,32 or 48 data acquisition channels pass through for the data acquisition channel
Mode carries out data acquisition.
Preferably, the data collecting instrument 2 is reserved with backup sensors interface.
Preferably, the data collecting instrument 2 includes industry ethernet interface, the Ethernet interface of the data collecting instrument 2
It is connected with the computer 1 by netting twine.
Preferably, the low-frequency shock transducer 31 is displacement output type low-frequency shock transducer or speed output type low frequency
Vibrating sensor.
Preferably, the sensor group 3 is electrically connected by three-core shielding cable with the data collecting instrument 2.
It was verified that this hydroelectric generating set monitoring device provided by the utility model, possesses high electromagnetism interference energy
Power, possess low-power consumption, high accuracy (16), power saving, it is reliable the advantages of, can be widely applied to mixed-flow, axial-flow type, it is tubular,
The stability and energy response research of impingement type hydraulic generator group and pump-storage generator, it is also expansible to be applied to all kinds of pumping plants
Unit.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with the power
The protection domain that profit requires is defined.Term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint phase
To importance.Term " multiple " refers to two or more, is limited unless otherwise clear and definite.
Claims (10)
- A kind of 1. hydroelectric generating set monitoring device, it is characterised in that including：Computer, data collecting instrument and with the data The sensor group of Acquisition Instrument electrical connection, wherein,The sensor group includes：Low-frequency shock transducer, current vortex sensor, pressure transmitter and power transducer, wherein, The low-frequency shock transducer is used for the vibration frequency and oscillation intensity for measuring turbine-generator units fixed component；The current vortex Sensor is used to measure the main shaft runout i.e. radial displacement at the guide bearing of turbine-generator units three；The pressure transmitter is used to survey Measure pressure fluctuation, inlet and outlet head differential pressure and the flow differential pressure inside turbine-generator units；The power transducer is used to survey Measure the active power and reactive power of turbine-generator units；The data collecting instrument is used to gather low-frequency shock transducer, current vortex sensor, pressure transmitter and power transducer Measurement data and be sent to the computer；The computer electrically connects with the data collecting instrument, and the computer is used for Detection and the running status for assessing turbine-generator units.
- 2. hydroelectric generating set monitoring device according to claim 1, it is characterised in that the data collecting instrument includes line Property power supply, the linear power supply is used to power for the data collecting instrument and sensor group；External 100~240V the AC powers of linear power supply, the alternating source frequency range that the linear power supply can be born For 50Hz~60Hz, the linear power supply output is 24V multi-channel DCs electricity.
- 3. hydroelectric generating set monitoring device according to claim 2, it is characterised in that the data collecting instrument also includes The Current Voltage Acquisition Circuit and multifunctional data acquisition card of 4~20mA current signals and -10~10V voltage signals can be received, Current Voltage Acquisition Circuit is used for the voltage signal that -10~10V is provided for the multifunctional data acquisition card.
- 4. hydroelectric generating set monitoring device according to claim 3, it is characterised in that the data collecting instrument is provided with Three pin Aviation Connectors, the three pins Aviation Connector include 24V direct currents electric connection, signal wire joint and publicly joint；Wherein, 24V direct currents electric connection is used to power for sensor group, and signal wire joint and publicly joint are used to receive the sensor group Feedback signal.
- 5. hydroelectric generating set monitoring device according to claim 1, it is characterised in that the data collecting instrument includes more Individual data acquisition channel, wherein, the total highest sample frequency of multiple data acquisition channels is 100kHz, resolution ratio 16 Position, error<0.015%；Single channel input impedance is 10M Ω, and power supply voltage range is 9V~25V, power consumption 3W, working environment 0~55 DEG C of temperature, work relative humidity are 10%~90%.
- 6. hydroelectric generating set monitoring device according to claim 5, it is characterised in that the data acquisition channel is 32 Individual or 48,32 or 48 data acquisition channels carry out data acquisition by plesiochronous mode.
- 7. hydroelectric generating set monitoring device according to claim 6, it is characterised in that the data collecting instrument is reserved with Backup sensors interface.
- 8. hydroelectric generating set monitoring device according to claim 1, it is characterised in that the data collecting instrument include with Too network bus interface, the Ethernet interface of the data collecting instrument are connected with the computer by netting twine.
- 9. hydroelectric generating set monitoring device according to claim 1, it is characterised in that the low-frequency shock transducer is Displacement output type low-frequency shock transducer or speed output type low-frequency shock transducer.
- 10. the hydroelectric generating set monitoring device according to any one of claim 1~9, it is characterised in that the sensor Group is electrically connected by three-core shielding cable with the data collecting instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720398017.6U CN206668448U (en) | 2017-04-12 | 2017-04-12 | A kind of hydroelectric generating set monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720398017.6U CN206668448U (en) | 2017-04-12 | 2017-04-12 | A kind of hydroelectric generating set monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206668448U true CN206668448U (en) | 2017-11-24 |
Family
ID=60381797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720398017.6U Expired - Fee Related CN206668448U (en) | 2017-04-12 | 2017-04-12 | A kind of hydroelectric generating set monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206668448U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061106A (en) * | 2017-04-12 | 2017-08-18 | 北京中水科工程总公司 | A kind of hydroelectric generating set monitoring device |
| CN110131091A (en) * | 2019-05-17 | 2019-08-16 | 天津天发总厂机电设备有限公司 | Remote control analysis equipment and analysis method for water turbine generator set |
-
2017
- 2017-04-12 CN CN201720398017.6U patent/CN206668448U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061106A (en) * | 2017-04-12 | 2017-08-18 | 北京中水科工程总公司 | A kind of hydroelectric generating set monitoring device |
| CN110131091A (en) * | 2019-05-17 | 2019-08-16 | 天津天发总厂机电设备有限公司 | Remote control analysis equipment and analysis method for water turbine generator set |
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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 |
Granted publication date: 20171124 |