CN209495732U - Unit runout and stator bar vibration measuring rotor thermometric monitoring system of internet of things - Google Patents
Unit runout and stator bar vibration measuring rotor thermometric monitoring system of internet of things Download PDFInfo
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- CN209495732U CN209495732U CN201920389612.2U CN201920389612U CN209495732U CN 209495732 U CN209495732 U CN 209495732U CN 201920389612 U CN201920389612 U CN 201920389612U CN 209495732 U CN209495732 U CN 209495732U
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Abstract
The utility model discloses a kind of unit runouts and stator bar vibration measuring rotor thermometric monitoring system of internet of things, first vibrating sensor of its sensor unit is for measuring stator winding end portion vibration, rotor temperature transducer is used for the temperature of real-time measurement hydroelectric generating set rotor, data acquisition unit be used to now acquire and analysis shows that sensor unit measurement data, data server is for obtaining, handling and the real time data and historical data of storing data acquisition unit；Remote monitoring unit synchronous with data acquisition unit, data server can carry out on-line monitoring and diagnostic analysis to unit for the data of long-range monitoring data acquisition unit and/or to passing duty parameter under data acquisition unit.The utility model realizes the accurate measurements to operating states of the units, the fast transmission of monitoring data and shared, and by monitoring data diagnose and trend analysis, Accurate Prediction unit incipient fault and risk, unit maintenance and maintenance cost reduce, and the intelligence degree for monitoring system improves.
Description
Technical field
The utility model is related to turbine-generator units monitoring diagnostic techniques field in general, in particular to a kind of unit
Runout and stator bar vibration measuring rotor thermometric monitoring system of internet of things.
Background technique
In Large Hydroelectric Set operational process, set main shaft, each guide bearing, top cover, stator core and stator bar
Each component such as end, rotor gap and circularity, temperature of rotor there is the risk for being abnormal vibration and local disadvantageous changes,
The problem of main shaft misaligns, uneven, bearing offset, rack loosening, insulation ag(e)ing, main shaft heat fatigue happens occasionally, and traditional
The intelligence degree of monitoring system is not high, accuracy of measurement is not high, monitoring data are not comprehensive enough, the transmission and analysis of monitoring data
Incipient fault not fast enough, that prediction unit can not be excavated comprehensively is diagnosed, so that the maintenance of unit and maintenance cost are high,
The economic benefit of power plant and power grid is affected to a certain extent.
Therefore, industry needs a kind of unit vibration that comprehensive intelligent monitoring can be carried out to turbine-generator units operating status
Pendulum and stator bar vibration measuring rotor thermometric monitoring system of internet of things.
Summary of the invention
One main purpose of the utility model is to overcome at least one defect of the above-mentioned prior art, provides a kind of energy
Enough unit runouts and stator bar vibration measuring rotor thermometric object that comprehensive intelligent monitoring is carried out to turbine-generator units operating status
Networking monitoring system.
For achieving the above object, the utility model adopts the following technical solution:
One aspect according to the present utility model provides a kind of unit runout and stator bar vibration measuring rotor thermometric Internet of Things
Net monitoring system, the unit runout and stator bar vibration measuring rotor thermometric monitoring system of internet of things include:
Sensor unit, the sensor unit include the first vibrating sensor and rotor temperature transducer, described first
Vibrating sensor setting is more than two, the first end and second end of turbine-generator units stator winding is installed on, for measuring
The vibration of stator winding first end and second end is stated, the rotor temperature transducer is installed on the stator of turbine-generator units,
Temperature for real-time measurement hydroelectric generating set rotor；
Data acquisition unit, the data acquisition unit are connected with the sensor unit signal, for now acquiring and
Analysis shows that the measurement data of the sensor unit；
Data server, the data server are connected by communication with the data acquisition unit, for obtaining, handling and deposit
Store up the real time data and historical data of the data acquisition unit；
Remote monitoring unit, the remote monitoring unit are connected by communication with the data acquisition unit, for remotely monitoring
Data of the data acquisition unit and/or to duty parameter is passed under the data acquisition unit, can acquire with the data
Unit, the data server, which are synchronized, carries out on-line monitoring and diagnostic analysis to turbine-generator units.
More than one is arranged in an embodiment according to the present utility model, the data acquisition unit, described in more than one
Data acquisition unit is connected by communication by interchanger and the data server and the remote monitoring unit, and the interchanger is used
In offer network communication access；
Alternatively, the data acquisition unit and the remote monitoring unit are respectively provided with more than one, the data acquisition is single
The first and described remote monitoring unit one-to-one correspondence is connected by communication.
An embodiment according to the present utility model, first vibrating sensor are optical fiber acceleration vibration-measuring sensor,
The rotor temperature transducer is Non-contact Infrared Temperature Measurement sensor.
An embodiment according to the present utility model, the sensor unit include that the second vibrating sensor and third are vibrated
Sensor, second vibrating sensor are used to measure the vibration of turbine-generator units rack and water-turbine top cover, the third
Vibrating sensor is used to measure the vibration of turbine-generator units stator core.
An embodiment according to the present utility model, the sensor unit include throw key phase, air gap sensing
Device and pressure pulsation sensor, the throw key phase are used to measure the throw and key phase of spindle of hydroelectric generator set, institute
It states air gap sensors and is used for measuring the air gap between turbine-generator units stator and rotor, the pressure pulsation sensor
Hydraulic pulse in measurement runner.
An embodiment according to the present utility model, the data acquisition unit include that monitoring screen cabinet and more than one number are adopted
Device, more than one described several device for picking are mounted in the monitoring screen cabinet.
An embodiment according to the present utility model, several device for picking include redundant power module, the redundant power
Module can be in the common power failure alarm including common power supply, backup power source and control assembly, the control assembly
And it is switched to the backup power source power supply.
An embodiment according to the present utility model, several device for picking include data acquisition module, the data acquisition
Module has 64 signal input channels.
An embodiment according to the present utility model, several device for picking include alarm relay output module, it is described after
Electric appliance alarm output module has two-stage warning output.
An embodiment according to the present utility model, several device for picking include graphic control panel, the graphic control panel
For showing measurement data and receiving operational order.
As shown from the above technical solution, the unit runout of the utility model and stator bar vibration measuring rotor thermometric Internet of Things prison
It the advantages of examining system and has the active effect that
In the utility model, sensor unit now measures the data of each component of unit, and is transmitted to data acquisition unit
Now analyze, is further transmitted to data server and carries out comprehensive monitoring and diagnosis, remote monitoring unit and data acquisition
Unit, data server, which are synchronized, carries out on-line monitoring and diagnostic analysis to turbine-generator units, realizes to operating states of the units
Accurate measurements, the fast transmission of monitoring data and shared, and carry out diagnosis and trend analysis by monitoring data can be accurate
It predicts unit incipient fault and risk, reduces the maintenance and maintenance cost of unit, the intelligence degree for monitoring system improves, tool
There is very high economy, is extremely suitble in the industry cycle promote the use of.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
Other attached drawings can also be obtained such as these attached drawings.
Fig. 1 is an embodiment of the present invention unit runout and stator bar vibration measuring rotor thermometric monitoring system of internet of things
Structural schematic diagram.
Fig. 2 is another embodiment unit runout of the utility model and stator bar vibration measuring rotor thermometric monitoring system of internet of things
Structural schematic diagram.
Wherein, the reference numerals are as follows:
1, sensor unit；11, the first vibrating sensor；12, the second vibrating sensor；13, third vibrating sensor；
14, rotor temperature transducer；15, throw key phase；16, air gap sensors；17, pressure pulsation sensor；2, data are adopted
Collect unit；21, monitoring screen cabinet；22, number device for picking；3, interchanger；31, the first interchanger；32, second switch；4, data take
Business device；5, remote monitoring unit.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that this is practical new
Type will be full and complete, and the design of example embodiment is comprehensively communicated to those skilled in the art.It is identical in figure
Appended drawing reference indicates same or similar structure, thus the detailed description that will omit them.
It is described below the difference to the utility model is exemplary, is carried out referring to attached drawing, it is practical that the attached drawing forms this
Novel a part, and the exemplary knot of difference of many aspects of achievable the utility model is wherein shown by way of example
Structure, system and step.It should be understood that other specified schemes of component, structure, exemplary means, system and step can be used, and
And structural and functional modification can be carried out without departing from the scope of the utility model.Although moreover, can in this specification
The different example features of the utility model are described using term " top ", " bottom ", " front ", " rear portion ", " side " etc.
And element, but these terms are used in this article merely for convenience, such as such as attached exemplary direction described in figure.This specification
In any content be not necessarily to be construed that the specific three dimensional direction of Structure of need is just fallen into the scope of the utility model.
Fig. 1 is an embodiment of the present invention unit runout and stator bar vibration measuring rotor thermometric monitoring system of internet of things
Structural schematic diagram.
As shown in Figure 1, the unit runout and stator bar vibration measuring rotor thermometric monitoring system of internet of things of the embodiment include:
Sensor unit 1, sensor unit 1 include the first vibrating sensor 11 and rotor temperature transducer 14, the first vibrating sensor
11 settings are more than two, are installed on the first end and second end of turbine-generator units stator winding, for measuring stator winding the
The vibration of one end and second end, rotor temperature transducer 14 are installed on the stator of turbine-generator units, are used for real-time measurement water
The temperature of turbine generator group rotor；Data acquisition unit 2, data acquisition unit 2 are connected with 1 signal of sensor unit, for existing
Ground acquisition and analysis shows that sensor unit 1 measurement data；Data server 4, data server 4 and data acquisition unit 2
It is connected by communication, for obtaining, handling and the real time data and historical data of storing data acquisition unit 2；Remote monitoring unit 5,
Remote monitoring unit 5 is connected by communication with data acquisition unit 2, for the data of long-range monitoring data acquisition unit 2 and/or to number
According to duty parameter is passed under acquisition unit 2, synchronous with data acquisition unit 2, data server 4 turbine-generator units can be carried out
On-line monitoring and diagnostic analysis.It is noted that stator winding is stator bar.
Fig. 2 is another embodiment unit runout of the utility model and stator bar vibration measuring rotor thermometric monitoring system of internet of things
Structural schematic diagram.
In the embodiment, unit runout and stator bar vibration measuring rotor thermometric monitoring system of internet of things can send out more water wheels
The operating status of motor group synchronize monitoring analysis and diagnosis, data acquisition unit 2 be arranged more than one, and with more water wheels
Generating set is arranged in a one-to-one correspondence, more than one data acquisition unit 2 passes through interchanger 3 and data server 4 and long-range monitoring
Unit 5 is connected by communication, and interchanger 3 is for providing network communication access.In the present embodiment by taking three turbine-generator units as an example into
Row illustrates, is provided with a sensor unit 1 on each platform of three turbine-generator units, each sensor unit 1 respectively corresponds
The setting of one data acquisition unit 2, and be connected with 2 signal of data acquisition unit, interchanger 3 includes that the first interchanger 31 and second is handed over
Change planes 32, each data acquisition unit 2 is connected by communication with the first interchanger 31, and the first interchanger 31 is communicated with second switch 32
It is connected, second switch 32 is further connected by communication with data server 4 and remote monitoring unit 5；Alternatively, as shown in Fig. 2, another
Data acquisition unit 2 and remote monitoring unit 5 are respectively provided with more than one in one embodiment, and data acquisition unit 2 and long-range prison
Control unit 5 one-to-one correspondence is connected by communication, be in the present embodiment three turbine-generator units each platform on be provided with a biography
Sensor cell 1, each sensor unit 1 respectively corresponds a data acquisition unit 2 setting, and is connected with 2 signal of data acquisition unit,
Interchanger 3 includes the first interchanger 31 and second switch 32, and each data acquisition unit 2 communicates phase with the first interchanger 31
Even, the first interchanger 31 is connected by communication with second switch 32, and second switch 32 further communicates phase with data server 4
Even, each data acquisition unit 2 respectively corresponds a remote monitoring unit 5 setting and respectively corresponds and is connected by communication.It should be noted that
Signal, which is connected, to be referred to through the signal transmssion line connection of sensor or is connected by the wireless signal of sensor, and being connected by communication can
To be ethernet communication or Modbus RTU communication.
In the embodiment, sensor unit 1 includes the first vibrating sensor 11, the second vibrating sensor 12, third vibration
Sensor 13, rotor temperature transducer 14, throw key phase 15, air gap sensors 16 and pressure pulsation sensor 17；The
One vibrating sensor 11 is optical fiber acceleration vibration-measuring sensor, is a kind of acceleration type one direction fast-response probe, therefore can be with
Monitoring is radially, axially and the vibration of tangential direction, the first vibrating sensor 11 settable one, two or more, and number can
Depending on specific requirements, multiple first vibrating sensors 11 symmetrically are mounted on the first end and second end of stator winding,
Specific mountable radial direction and tangential direction in stator winding first end and second end collection wire loop, or be directly installed on stator around
The radial direction and tangential direction of group first end and second end winding cap, 11 head of the first vibrating sensor are bound with glass tape in water
It is in the insulation booth of turbine generator stator winding first end and second end or external, and apply epoxy glue.
In the embodiment, the second vibrating sensor 12 of sensor unit 1 is for measuring turbine-generator units rack and water
The vibration of machine cap is taken turns, the second vibrating sensor 12 can be low-frequency velocity type sensor, and settable one is two or more,
Number may be determined according to specific requirements, and multiple second vibrating sensors 12 are respectively arranged in upper spider, lower bearing bracket, out frame and water
Take turns machine cap on, for measure upper spider, lower bearing bracket, out frame and water-turbine top cover X and Y-direction horizontal vibration and
The bottom of the vibration of vertical direction, the second vibrating sensor 12 is provided with fixed iron block, in order to in-site installation.
In the embodiment, the third vibrating sensor 13 of sensor unit 1 is for measuring turbine-generator units stator core
Vibration, can be the piezoelectric acceleration sensor of built-in miniature electricity amplifier or voltage amplifier, by traditional piezoelectricity
Acceleration transducer is integrated in one with charge amplifier, can directly connect with record, display with acquisition equipment, simplify test system
System, improves measuring accuracy and reliability, and can effectively prevent electromagnetic interference, and third vibrating sensor 13 settable one two
Or it is multiple, number may be determined according to specific requirements.
In the embodiment, the rotor temperature transducer 14 of sensor unit 1 is Non-contact Infrared Temperature Measurement sensor, both
Traditional indirect measurement bring large error is avoided, and does not have to bury temperature measuring point point on rotor, it is not necessary to tested part
Contact, strong antijamming capability, therefore the preparation amount installed and used is small, and thermometric speed is fast, high resolution；Rotor thermometric
Sensor 14 settable one, two or or it is multiple, number may be determined according to specific requirements, solid using integrated permanent magnet
Determine that it is fixed for measuring for a long time also to can use binder to be measured in short term.
In the embodiment, the throw key phase 15 of sensor unit 1 can be current vortex sensor, settable more
It is a, it is separately mounted on top guide bearing, lower guide bearing and turbine guide bearing, to measure the throw in major axis X and Y-direction respectively
With key phase；Air gap sensors 16 can be flat capacitance sensor, settable multiple, be arranged on stator inner wall, protect with rotor
Certain distance is held, can be used for measuring pole air-gaps, rotor circularity, rotor relative eccentric, minimal air gap, maximum air gap etc.；
Pressure pulsation sensor 17 is settable multiple, is respectively used to the pulsation of measurement Weng'an biota and Pressure Fluctuation in Draft Tube, in turn
It monitors waterpower in runner and flows status signal, monitor waterpower exciting factor, understand waterpower exciting factor to the shadow of runner stability
It rings, by the monitoring for the status signal that the bias power frequency to fluid changes, reflects the damage of flow passage components, predict flow passage components
Safe condition provides foundation for maintenance decision.
In the embodiment, data acquisition unit 2 is set in production scene, such as water-power plant, data acquisition unit 2
Including monitoring screen cabinet 21 and more than one number device for picking 22, more than one number device for picking 22 is mounted in monitoring screen cabinet 21, monitoring
Shield cabinet 21 cabinet body steel plate thickness be not less than 2 millimeters, sealing strip is installed at cabinet door, be conducive to it is dust-proof, monitoring screen cabinet 21 in is equipped with
Permanent interior lighting, independently of other electrical equipments in monitoring screen cabinet 21, and by the gate controlled switch of monitoring screen cabinet 21
Its illuminator is controlled, is also equipped with anti-condensation heater and cooling fan in monitoring screen cabinet 21, to control internal temperature and humidity,
Conducive to the equipment in monitoring for protection screen cabinet 21, connecting terminal and auxiliary material are also configured in monitoring screen cabinet 21, connecting terminal is used for will
Number device for picking 22 is connected by communication with remote monitoring unit 5 and/or data server 4, and auxiliary material may include cabling channel, screw, nut
Deng, may also include other be applicable in attachment.
In the embodiment, number device for picking 22 can at most be supported for acquiring analog signal and carrying out high-speed, high precision sampling
The acquisition of 64 circuit-switched datas, number device for picking 22 are defeated including redundant power module, graphic control panel, data acquisition module, alarm relay
Module, analog output module and network communication module out, each module are that have the standardization of independence, versatility and associativity
Unit；Wherein, redundant power module includes common power supply, backup power source and control assembly, is by common power supply under normal conditions
Other electrical appliances power supply of number device for picking 22, control assembly are taken by network communication module and remote monitoring unit 5 and/or data
Business device 4 is networked, and when common power failure, control assembly alarms and is switched to backup power source power supply, and backup power source is hot
Backup power source, remote monitoring unit 5 and/or data server 4, which synchronize, at this time receives alarm, the several device for picking 22 of strong guarantee
Reliability of operation.
In the embodiment, the graphic control panel of number device for picking 22 can be used TFT type screen, material intensity with higher and
Corrosion resistance, graphic control panel are used for measurement data to show structural schematic diagram, rod figure, data form, curve, waveform, frequency
The forms such as spectrum, track, axis show that now engineering staff can use by inputting operation instruction on graphic control panel
Number device for picking 22；Data acquisition module is used to connect each sensor of sensor unit 1, has 64 signal input channels,
This 64 signal input channels include the input mode of three kinds of signals: the input of 4~20mA electric current, ± 20V voltage input and outer
ICP type sensor is connect, the type of input signal can be selected by dial-up；There is alarm relay output module two-stage alarm to open
Pass amount output, for exporting the various alarm signals of number device for picking 22；Analog output module is used to export analog signals, is
The output of 4~20mA electric current；Network communication module with data server 4 and/or remote monitoring unit 5 for being connected by communication；Number is adopted
The also expansible configuration SMS module of device 22 can be by each measurement when the alarm of turbine-generator units frequency band or measured value alarm
The alert data of value is sent to user mobile phone, and operating states of the units letter can also be asked for and sent in required time by user
Cease designated mobile phone；The number also settable GPS clock synchronization module of device for picking 22, can be with data server 4 and/or remote monitoring unit 5
It shares GPS satellite and receives system clock；Number device for picking 22, which is equipped with, now monitors analysis software, can be to the monitoring number now acquired
According to carrying out calculating analysis, and it is shown on graphic control panel in graphical form.
In the embodiment, data server 4 may be provided at Central Control Room, for communicating acquisition, calculation processing, storage tube haircut
The real time data and historical data of the status monitoring of power station whole station unit, for analyzing and diagnosing use, data server 4 includes aobvious
Show device, MS SQL Server database and on-line monitoring analysis software is also configured in data server 4, database can be comprehensively
Stable state, the transient data for recording unit operation, can completely record any exception information of unit, it is ensured that energy when accident occurs for unit
Complete, detailed data is provided for analysis, tower server can be used in data server 4, with the data acquisition list now installed
Ethernet optical-fibre communications mode can be used between member 2 and carry out data communication, realize that data interaction is shared；By the long-range monitoring of authorization
Unit 5 can be by the network address of browser remote access data server 4, the operation number of real-time quick browsing unit rotor
According to, check operation chart, the normal operation without will affect other units of other systems, long-range monitoring of the realization to field device
Analysis and diagnosis, data acquisition unit 2, data server 4 and 5 three end of remote monitoring unit can Simultaneous Monitoring, analysis and diagnosis,
The powerful guarantee normal operation of unit.
In the utility model, sensor unit 1 now measures the data of each component of unit, and is transmitted to data acquisition unit
2 now analyze, and are further transmitted to the progress comprehensive monitoring of data server 4 and diagnosis, remote monitoring unit 5 and data are adopted
Collection unit 2, data server 4, which are synchronized, carries out on-line monitoring and diagnostic analysis to turbine-generator units, realizes and runs to unit
The accurate measurements of state, the fast transmission of monitoring data and shared, and diagnosis and trend analysis, energy are carried out by monitoring data
Accurate Prediction unit incipient fault and risk, reduce the maintenance and maintenance cost of unit, and the intelligence degree for monitoring system mentions
Height has very high economy, is extremely suitble in the industry cycle promote the use of.
The utility model person of an ordinary skill in the technical field should be appreciated that institute in above-mentioned specific embodiment part
What the specific structure and technical process shown was merely exemplary, and not restrictive.Moreover, the affiliated technology neck of the utility model
The those of ordinary skill in domain can be combined with structure various technical characteristics shown in the above according to various possible modes
The technical solution of Cheng Xin, or other changes are carried out, and belong within the scope of the utility model.
Claims (10)
1. a kind of unit runout and stator bar vibration measuring rotor thermometric monitoring system of internet of things, which is characterized in that the unit vibration
Pendulum and stator bar vibration measuring rotor thermometric monitoring system of internet of things include:
Sensor unit, the sensor unit include the first vibrating sensor and rotor temperature transducer, first vibration
Sensor setting is more than two, is installed on the first end and second end of turbine-generator units stator winding, described fixed for measuring
The vibration of sub- winding first end and second end, the rotor temperature transducer are installed on the stator of turbine-generator units, are used for
The temperature of real-time measurement hydroelectric generating set rotor；
Data acquisition unit, the data acquisition unit are connected with the sensor unit signal, for now acquiring and analyzing
Show the measurement data of the sensor unit；
Data server, the data server are connected by communication with the data acquisition unit, for obtaining, handling and storing institute
State the real time data and historical data of data acquisition unit；
Remote monitoring unit, the remote monitoring unit are connected by communication with the data acquisition unit, described in remotely monitoring
Data of data acquisition unit and/or to passing duty parameter under the data acquisition unit, can with the data acquisition unit,
The data server, which is synchronized, carries out on-line monitoring and diagnostic analysis to turbine-generator units.
2. unit runout as described in claim 1 and stator bar vibration measuring rotor thermometric monitoring system of internet of things, feature exist
In more than one is arranged in the data acquisition unit, more than one described data acquisition unit passes through interchanger and the data
Server and the remote monitoring unit are connected by communication, and the interchanger is for providing network communication access；
Alternatively, the data acquisition unit and the remote monitoring unit are respectively provided with more than one, the data acquisition unit and
The remote monitoring unit one-to-one correspondence is connected by communication.
3. unit runout as described in claim 1 and stator bar vibration measuring rotor thermometric monitoring system of internet of things, feature exist
In first vibrating sensor is optical fiber acceleration vibration-measuring sensor, and the rotor temperature transducer is non-contact infrared
Temperature transducer.
4. unit runout as described in claim 1 and stator bar vibration measuring rotor thermometric monitoring system of internet of things, feature exist
In the sensor unit includes the second vibrating sensor and third vibrating sensor, and second vibrating sensor is for surveying
The vibration of turbine-generator units rack and water-turbine top cover is measured, the third vibrating sensor is fixed for measuring turbine-generator units
The vibration of sub- iron core.
5. unit runout as claimed in claim 4 and stator bar vibration measuring rotor thermometric monitoring system of internet of things, feature exist
In the sensor unit includes throw key phase, air gap sensors and pressure pulsation sensor, and the throw key passes on from one to another
Sensor is used to measure the throw and key phase of spindle of hydroelectric generator set, and the air gap sensors are fixed for measuring turbine-generator units
The air gap between son and rotor, the pressure pulsation sensor are used to measure the hydraulic pulse in runner.
6. unit runout as described in claim 1 and stator bar vibration measuring rotor thermometric monitoring system of internet of things, feature exist
In the data acquisition unit includes monitoring screen cabinet and more than one number device for picking, more than one described several device for picking is mounted on
In the monitoring screen cabinet.
7. unit runout as claimed in claim 6 and stator bar vibration measuring rotor thermometric monitoring system of internet of things, feature exist
In several device for picking include redundant power module, and the redundant power module includes common power supply, backup power source and control group
Part, the control assembly in the common power failure alarm and can be switched to backup power source power supply.
8. unit runout as claimed in claim 7 and stator bar vibration measuring rotor thermometric monitoring system of internet of things, feature exist
In several device for picking include data acquisition module, and the data acquisition module has 64 signal input channels.
9. unit runout as claimed in claim 8 and stator bar vibration measuring rotor thermometric monitoring system of internet of things, feature exist
In several device for picking include alarm relay output module, and the alarm relay output module has two-stage warning output.
10. unit runout and stator bar vibration measuring rotor thermometric monitoring system of internet of things as described in claim 6-9 is any,
It is characterized in that, several device for picking include graphic control panel, and the graphic control panel is for showing measurement data and receiving operation
Instruction.
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| CN201920389612.2U CN209495732U (en) | 2019-03-26 | 2019-03-26 | Unit runout and stator bar vibration measuring rotor thermometric monitoring system of internet of things |
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| CN201920389612.2U CN209495732U (en) | 2019-03-26 | 2019-03-26 | Unit runout and stator bar vibration measuring rotor thermometric monitoring system of internet of things |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111564822A (en) * | 2020-05-21 | 2020-08-21 | 国家电网有限公司 | Cross-domain protection method of generator relay protection device |
| CN113378711A (en) * | 2021-06-10 | 2021-09-10 | 国家电投集团广西长洲水电开发有限公司 | Online early warning method for sinking fault of bulb tubular unit rotor |
| CN113587969A (en) * | 2021-06-18 | 2021-11-02 | 大唐水电科学技术研究院有限公司 | Integrated sensor mounting and wiring method for hydroelectric generating set stability test |
| CN113624334A (en) * | 2021-08-10 | 2021-11-09 | 四川浩淼睿诚科技有限公司 | Unit vibration monitoring device and method based on Internet of things technology |
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2019
- 2019-03-26 CN CN201920389612.2U patent/CN209495732U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111564822A (en) * | 2020-05-21 | 2020-08-21 | 国家电网有限公司 | Cross-domain protection method of generator relay protection device |
| CN111564822B (en) * | 2020-05-21 | 2022-08-23 | 国家电网有限公司 | Cross-domain protection method of generator relay protection device |
| CN113378711A (en) * | 2021-06-10 | 2021-09-10 | 国家电投集团广西长洲水电开发有限公司 | Online early warning method for sinking fault of bulb tubular unit rotor |
| CN113587969A (en) * | 2021-06-18 | 2021-11-02 | 大唐水电科学技术研究院有限公司 | Integrated sensor mounting and wiring method for hydroelectric generating set stability test |
| CN113624334A (en) * | 2021-08-10 | 2021-11-09 | 四川浩淼睿诚科技有限公司 | Unit vibration monitoring device and method based on Internet of things technology |
| CN113624334B (en) * | 2021-08-10 | 2023-11-10 | 四川浩淼睿诚科技有限公司 | Unit vibration monitoring device and method based on Internet of things technology |
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