CN108425779A - Water turbine set thrust bearing oil film thickness on-Line Monitor Device and water turbine set - Google Patents
Water turbine set thrust bearing oil film thickness on-Line Monitor Device and water turbine set Download PDFInfo
- Publication number
- CN108425779A CN108425779A CN201810219921.5A CN201810219921A CN108425779A CN 108425779 A CN108425779 A CN 108425779A CN 201810219921 A CN201810219921 A CN 201810219921A CN 108425779 A CN108425779 A CN 108425779A
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- Prior art keywords
- thrust bearing
- water turbine
- oil film
- runner plate
- turbine set
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 239000003921 oil Substances 0.000 claims abstract description 86
- 239000000523 sample Substances 0.000 claims abstract description 24
- 239000010687 lubricating oil Substances 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 230000001788 irregular Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/008—Measuring or testing arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/06—Bearing arrangements
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydraulic Turbines (AREA)
Abstract
The present invention relates to monitoring technical fields, more particularly to a kind of water turbine set thrust bearing oil film thickness on-Line Monitor Device and water turbine set, water turbine set includes runner plate, driving equipment and thrust bearing shoe valve component, runner plate has the first state being bonded to each other with thrust bearing shoe valve component, and when driving equipment drives runner plate and thrust bearing shoe valve relative rotation that lubricating oil is made to enter and forms oil film between runner plate and thrust bearing shoe valve, with the second state being located remotely from each other, water turbine set thrust bearing oil film thickness on-Line Monitor Device includes current vortex sensor and processor, with detect in first state probe between runner plate the first distance and in the second state probe to the second distance between runner plate, and the thickness value of oil film is obtained according to the first distance and second distance.By above-mentioned setting, to be monitored in real time to the thickness value of oil film when water turbine set works, in order to which user is adjusted water turbine set when oil film thickness value is excessive or too small so that water turbine set is operated in optimum state.
Description
Technical field
The present invention relates to monitoring technical fields, online in particular to a kind of water turbine set thrust bearing oil film thickness
Monitoring device and water turbine set.
Background technology
Water power is the green and healthy energy, thus hydroelectric generation obtain popularization energetically and it is extensive support, currently, usually
Hydroelectric generation is carried out using water turbine set.
Inventor it has been investigated that, in the existing water turbine set course of work, when the runner plate that water turbine set includes with push away
When oil film thickness between power watt is excessive or too small, cannot play effective lubricating action in addition can damage runner plate or thrust bearing shoe valve into
And water turbine set is made to break down, therefore, it is urgently to be resolved hurrily effectively to monitor the thickness of the oil film between runner plate and thrust bearing shoe valve
Problem.
Invention content
In view of this, the purpose of the present invention is to provide a kind of water turbine set thrust bearing oil film thickness on-Line Monitor Devices
And water turbine set, to solve the above problems.
In order to achieve the above object, it is online to provide a kind of water turbine set thrust bearing oil film thickness for present pre-ferred embodiments
Monitoring device is applied to water turbine set, and the water turbine set includes runner plate, driving equipment and thrust bearing shoe valve component, and the driving is set
Standby to be connect with the runner plate, the runner plate has the first state being bonded to each other with the thrust bearing shoe valve component, and in the drive
Runner plate and thrust bearing shoe valve relative rotation make lubricating oil enter shape between the runner plate and the thrust bearing shoe valve described in dynamic device drives
When at oil film, there is the second state being located remotely from each other；
The water turbine set thrust bearing oil film thickness on-Line Monitor Device includes current vortex sensor and processor, described
Processor is electrically connected with the current vortex sensor, and the current vortex sensor is set to the thrust bearing shoe valve component, and the electricity
The metal layer face of the probe and the runner plate of eddy current sensor, to detect the current vortex sensor in the first state
It pops one's head in the first distance between runner plate, and detects the probe of the current vortex sensor in second state to the mirror
Second distance between plate, the processor obtain the thickness value of the oil film according to first distance and second distance.
Optionally, in above-mentioned water turbine set thrust bearing oil film thickness on-Line Monitor Device, the water turbine set derives
Lubrication Film Thickness on-Line Monitor Device further includes alarm, and the alarm is electrically connected with the processor, the processor
In prestore preset thickness range, the processor controls the report when the thickness value is not within the scope of the preset thickness
Alert device sends out alarm signal.
Optionally, in above-mentioned water turbine set thrust bearing oil film thickness on-Line Monitor Device, the thrust bearing shoe valve component packet
Multiple thrust bearing shoe valves are included, the multiple thrust bearing shoe valve is spaced setting and the bottom positioned at the runner plate, the current vortex sensor successively
To be multiple, the water turbine set thrust bearing oil film thickness on-Line Monitor Device further includes multiple fixing pieces, and each current vortex
Sensor corresponds to a fixing piece respectively and a thrust bearing shoe valve, multiple fixing pieces pass through corresponding fixation respectively
Part is set to corresponding thrust bearing shoe valve.
Optionally, in above-mentioned water turbine set thrust bearing oil film thickness on-Line Monitor Device, the axis of each thrust bearing shoe valve
Line is vertical with the runner plate respectively, and the fixing piece includes the first fixed part and the second fixed part, the first fixed part setting
In the thrust bearing shoe valve, the second fixed part is connect and vertical with the axis with first fixed part, and the eddy current sensor is set
It is placed in second fixed part.
Optionally, in above-mentioned water turbine set thrust bearing oil film thickness on-Line Monitor Device, second fixed part is set
It is equipped with the through-hole to match with the section of the eddy current sensor, the surface of the eddy current sensor is provided with screw thread, the whirlpool
Flow sensor passes through the through-hole and the nut by matching with the screw thread is fixed on second fixed part.
Optionally, in above-mentioned water turbine set thrust bearing oil film thickness on-Line Monitor Device, on each thrust bearing shoe valve
The fixing piece there are two being respectively set, and two fixing pieces are respectively arranged at the opposite both sides of the thrust bearing shoe valve.
Optionally, in above-mentioned water turbine set thrust bearing oil film thickness on-Line Monitor Device, the driving equipment includes
Shaft and motor, the shaft are separately connected with the center of the runner plate and the motor, each the multiple thrust bearing shoe valve according to
Minor tick is arranged and positioned at the bottom of the runner plate, and the distance of each thrust bearing shoe valve to the shaft is identical.
Optionally, in above-mentioned water turbine set thrust bearing oil film thickness on-Line Monitor Device, the current vortex sensor
Including QBJ-3800XL current vortex sensors and QBJ-31ZW profile shafts to displacement monitor, the QBJ-3800XL current vortexs sense
Device is electrically connected to displacement monitor with the processor by the QBJ-31ZW profile shafts.
Optionally, in above-mentioned water turbine set thrust bearing oil film thickness on-Line Monitor Device, the water turbine set derives
Lubrication Film Thickness on-Line Monitor Device further includes being associated with the communication module of host computer, the processor and the communication module
The thickness of first distance, second distance and oil film is sent to by the communication module described upper by electrical connection
Machine.
The present invention also provides a kind of water turbine sets, including runner plate, driving equipment, thrust bearing shoe valve component and water turbine set to derive
Lubrication Film Thickness on-Line Monitor Device, the driving equipment are connect with the runner plate, the runner plate and the thrust bearing shoe valve component
With the first state being bonded to each other, and the runner plate is set to be located remotely from each other with the thrust bearing shoe valve under driving equipment driving
Second state, the runner plate and the thrust bearing shoe valve far from when, lubricating oil, which enters, forms oil between the runner plate and the thrust bearing shoe valve
Film；
The water turbine set thrust bearing oil film thickness on-Line Monitor Device includes current vortex sensor and processor, described
Processor is electrically connected with the current vortex sensor, and the current vortex sensor is set to the thrust bearing shoe valve component, and the electricity
The probe of eddy current sensor is close to the runner plate to detect the probe of the current vortex sensor in the first state to runner plate
Between the first distance, and detect the probe of the current vortex sensor in second state to the between the runner plate
Two distances, the processor obtain the thickness of the oil film according to first distance and second distance.
A kind of water turbine set thrust bearing oil film thickness on-Line Monitor Device provided in an embodiment of the present invention and water turbine set,
Water turbine set includes runner plate, driving equipment and thrust bearing shoe valve component, and runner plate has the first state being bonded to each other with thrust bearing shoe valve component,
And when driving equipment drives runner plate and thrust bearing shoe valve relative rotation that lubricating oil is made to enter and forms oil film between runner plate and thrust bearing shoe valve,
With the second state being located remotely from each other, water turbine set thrust bearing oil film thickness on-Line Monitor Device include current vortex sensor and
Processor, current vortex sensor are set to thrust bearing shoe valve component, and with the metal layer face of runner plate, visited in first state with detection
Head is popped one's head in the second state to the second distance between runner plate, processor root to the first distance between runner plate, and detection
The thickness value of oil film is obtained according to the first distance and second distance.By above-mentioned setting, with when water turbine set works to oil film
Thickness value is monitored in real time, in order to user when oil film thickness value is excessive or too small to the water turbine set be adjusted with
Water turbine set is set to be operated in optimum state.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of structural schematic diagram of water turbine set provided in an embodiment of the present invention.
Fig. 2 is a kind of another structural schematic diagram of water turbine set provided in an embodiment of the present invention.
Fig. 3 is a kind of connection of water turbine set thrust bearing oil film thickness on-Line Monitor Device provided in an embodiment of the present invention
Block diagram.
Fig. 4 is a kind of structure of water turbine set thrust bearing oil film thickness on-Line Monitor Device provided in an embodiment of the present invention
Schematic diagram.
Fig. 5 is a kind of the another of water turbine set thrust bearing oil film thickness on-Line Monitor Device provided in an embodiment of the present invention
Connect block diagram
Icon：10- water turbine sets；20- host computers；30- oil films；100- water turbine set thrust bearing oil film thicknesses are supervised online
Survey device；110- current vortex sensors；120- processors；130- alarms；140- fixing pieces；The first fixed parts of 142-；144-
Second fixed part；150- communication modules；200- runner plates；300- driving equipments；400- thrust bearing shoe valve components.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the present invention is applied by the technical solution in example is clearly and completely described, it is clear that described embodiment is this
Invention a part of the embodiment, instead of all the embodiments.The embodiment of the present invention for usually describing and showing in this figure
Component can be arranged and be designed with a variety of different configurations.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；Can be
Mechanical connection can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two
Connection inside element.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
In concrete meaning.
It please refers to Fig.1 and Fig. 2, a kind of water turbine set 10 provided in an embodiment of the present invention, the water turbine set 10 includes mirror
Plate 200, driving equipment 300 and thrust bearing shoe valve component 400, the driving equipment 300 are connect with the runner plate 200, the runner plate 200
There is the first state being bonded to each other with the thrust bearing shoe valve component 400, and the runner plate is driven in the driving equipment 300
200 and the thrust bearing shoe valve relative rotation make lubricating oil enter between the runner plate 200 and the thrust bearing shoe valve formed oil film 30 when, tool
There is the second state being located remotely from each other.
Specifically, when the runner plate 200 and the thrust bearing shoe valve component 400 are opposing stationary, runner plate 200 and the thrust bearing shoe valve
Component 400 is bonded to each other, when the driving equipment 300 drives the runner plate 200 to be rotated relative to the thrust bearing shoe valve component 400
When, the pressure between the thrust bearing shoe valve component 400 and the runner plate 200 is lower, and then lubricating oil is made to enter the thrust bearing shoe valve group
Between part 400 and the runner plate 200, so that the thrust bearing shoe valve component 400 is separated from each other with the runner plate 200.
Incorporated by reference to Fig. 3, the present invention also provides a kind of water turbine set thrust bearing oil films applied to above-mentioned water turbine set 10
Thickness on-Line Monitor Device 100, the water turbine set thrust bearing oil film thickness on-Line Monitor Device 100 are sensed including current vortex
Device 110 and processor 120, the processor 120 are electrically connected with the current vortex sensor 110, the current vortex sensor 110
It is set to the thrust bearing shoe valve component 400, and the metal layer face of the probe and the runner plate 200 of the current vortex sensor 110.
The probe that the current vortex sensor 110 is used to detect the current vortex sensor 110 in the first state arrives
The first distance between runner plate 200, and the probe of the current vortex sensor 110 in second state is detected to the mirror
Second distance between plate 200, the processor 120 obtain the thickness of the oil film 30 according to first distance and second distance
Angle value.
By above-mentioned setting, to obtain the probe and runner plate of the current vortex sensor 110 in the current vortex sensor 110
After the first distance between 200, it is somebody's turn to do in real time in the runner plate 200 and 400 relative rotational motion of thrust bearing shoe valve component
Second distance between the probe and runner plate 200 of current vortex sensor 110, to realize the thickness value to oil film in rotation process 30
Monitored in real time, so convenient for user water turbine set 10 is adjusted when the thickness value of oil film 30 is excessive or too small so that
Water turbine set 10 is operated in optimum state.
Specifically, there is the flatwise coil of logical high frequency sinusoidal alternating current, when the electricity in the current vortex sensor 110
When eddy current sensor 110 is set to the thrust bearing shoe valve component 400, alternating magnetic field can be generated with the metal layer of the runner plate 200, by
In the reaction of alternating magnetic field, the equiva lent impedance of the hot-wire coil in generation magnetic field is made to change, the function representation of equiva lent impedance Z
Formula is Z=F (σ, ξ, τ, X, I, ω), wherein σ is conductivity, ξ is magnetic conductivity, τ is size factor, X is current vortex sensor
110 probe is to the distance of metal layer, and I is the exciting current intensity of coil, and ω is angular frequency.Due to the metal layer of runner plate 200
Uniform in material and isotropism, therefore the exciting current intensity of the conductivityσ of the metal layer, magnetic conductivity ξ, size factor τ, coil
I and angular frequency are invariable, then the characteristic impedance Z of coil just becomes the monotropic function of probe and metal layer distance X, one
Determine in a linear relationship in range.Using the characteristic, by converting the variation of coil impedance Z to distance value variation, you can realize
The measurement of sensor probe and metal layer relative shift, and then realize the non-cpntact measurement to 30 thickness of oil film.
Wherein, the shape of the runner plate 200 can be the regular shapes such as round, rectangular, can also be arbitrary irregular shape
Shape is not specifically limited herein, and is configured according to actual demand.It should be noted that the runner plate 200 includes ontology
And metal layer, the metal layer is identical as the shape size of the ontology and the metal layer is set to the ontology, and described
Metal layer is set to the ontology close to the side of the current vortex sensor 110.
In the present embodiment, the driving equipment 300 includes motor and shaft, the shaft and the motor and the mirror
Plate 200 is separately connected, and the motor can drive the runner plate 200 to be rotated relative to the thrust bearing shoe valve component 400.Wherein, institute
Stating shaft can connect with the center of the runner plate 200, can also be connect with any position of the runner plate 200.At this
In embodiment, the shaft is connect with the center of the runner plate 200.
The thrust bearing shoe valve component 400 may include multiple thrust bearing shoe valves, and each thrust bearing shoe valve is respectively arranged at the runner plate 200
Bottom, and when the thrust bearing shoe valve component 400 and runner plate 200 are in first state, each thrust bearing shoe valve respectively with the mirror
Plate 200 contacts.The shape of the thrust bearing shoe valve can be but not limited to the regular shapes such as cylindric, cube shape, can also be arbitrary
Irregular shape, as long as oil film 30 can be formed between runner plate 200, the shape size of each thrust bearing shoe valve is identical, and
It can be randomly provided in the bottom of the runner plate 200, the bottom of the runner plate 200 can also be arranged at intervals at.
Optionally, in the present embodiment, the shape of the thrust bearing shoe valve is cube shape, and the axis of each thrust bearing shoe valve is distinguished
Vertical with the runner plate 200, the quantity of multiple thrust bearing shoe valves is 24, and multiple thrust bearing shoe valves are arranged at intervals at the runner plate
200 bottom, and it is identical at a distance from each thrust bearing shoe valve to the shaft.
The quantity of the current vortex sensor 110 can be one, can also be multiple, the current vortex sensor 110
The mode for being set to the thrust bearing shoe valve component 400 can be directly arranged at the thrust bearing shoe valve component 400, can also be to pass through company
Connected components are set to the thrust bearing shoe valve component 400.
To keep the thickness of the oil film measured 30 more accurate, optionally, in the present embodiment, the current vortex sensor
110 be multiple, and the water turbine set thrust bearing oil film thickness on-Line Monitor Device 100 further includes multiple fixing pieces 140, and every
A current vortex sensor 110 corresponds to a fixing piece 140 and a thrust bearing shoe valve, multiple fixing pieces 140 respectively
Corresponding thrust bearing shoe valve is set to by corresponding fixing piece 140 respectively.
The fixing piece 140 being arranged on each thrust bearing shoe valve is either one or more, to make the oil detected
30 thickness of film is more accurate, optionally, in the present embodiment, is respectively set that there are two the fixing pieces on each thrust bearing shoe valve
140, and two fixing pieces 140 are respectively arranged at the opposite both sides of the thrust bearing shoe valve.
By above-mentioned setting, can be carried out according to the thickness for the oil film 30 that multiple current vortex sensors 110 monitor
The thickness value of the oil film 30 between thrust bearing shoe valve component 400 and runner plate 200 is calculated, mean value, intermediate value or mode are sought as used
Mode obtain the thickness value of the oil film 30 between thrust bearing shoe valve component 400 and runner plate 200 so that obtained thickness value is more accurate
Really.
Incorporated by reference to Fig. 4, the shape of the fixing piece 140 can be arbitrary, for example, it may be fixed plate or fixed link,
As long as can realize fixed.Optionally, in the present embodiment, the fixing piece 140 includes the first fixed part 142 and second
Fixed part 144, first fixed part 142 are set to the thrust bearing shoe valve, the second fixed part 144 and first fixed part 142
It connects and vertical with the axis, the current vortex sensor 110 is set to second fixed part 144.
By the way that second fixed part 144 to be vertically arranged with the axis, it is set to avoid the eddy current sensor
When second fixed part 144, in order to which the probe of the current vortex sensor 110 and 200 face of the runner plate are arranged, into
And testing result is avoided the case where error occur.
To further avoid because there are angular deviations between the current vortex sensor 110 and runner plate 200, and then influence inspection
It surveys as a result, in the present embodiment, second fixed part 144 is provided with to match with the section of the current vortex sensor 110
Through-hole, the surface of the current vortex sensor 110 is provided with screw thread, and the current vortex sensor 110 passes through the through-hole simultaneously
It is fixed on second fixed part 144 by the nut to match with the screw thread.
In the present embodiment, the current vortex sensor 110 includes QBJ-3800XL current vortex sensors and QBJ-31ZW
Profile shaft to displacement monitor, the QBJ-3800XL current vortex sensors by the QBJ-31ZW profile shafts to displacement monitor with
The processor 120 is electrically connected.By using above-mentioned QBJ-3800XL current vortex sensors and QBJ-31ZW type axial displacements
Monitor can effectively improve accuracy and sensitivity, and can effectively avoid the thickness value detected by temperature, greasy dirt steam
Or the influence of other media.
To avoid user from failing to find that the thickness of oil film 30 described in 10 course of work of water turbine set is too high or too low in time
And then the working condition for influencing water turbine set 10 even causes 10 impaired situation of water turbine set.In the present embodiment, described
Water turbine set thrust bearing oil film thickness on-Line Monitor Device 100 further includes alarm 130, the alarm 130 and the place
It manages device 120 to be electrically connected, prestores preset thickness range in the processor 120, the processor 120 does not exist in the thickness value
The alarm 130 is controlled when within the scope of the preset thickness sends out alarm signal.
Wherein, the alarm 130 can be but not limited to voice guard, light crossing-signal, audible-visual annunciator or short message
Alarm, as long as can effectively prompt user when the thickness value of the oil film 30 is not within the scope of the preset thickness,
It is not specifically limited herein.
Incorporated by reference to Fig. 5, for ease of user when being worked at the same time there are multiple water turbine sets 10, to multiple water turbine set 10
Management and control is carried out, optionally, in the present embodiment, the water turbine set thrust bearing oil film thickness on-Line Monitor Device 100 is also wrapped
The communication module 150 for being associated with host computer 20 is included, the processor 120 is electrically connected with the communication module 150, by described
The thickness of one distance, second distance and oil film 30 is sent to the host computer 20 by the communication module 150.
To sum up, a kind of water turbine set thrust bearing oil film thickness on-Line Monitor Device 100 provided by the invention and the hydraulic turbine
Group 10, the water turbine set 10 include that runner plate 200, driving equipment 300, thrust bearing shoe valve component 400 and the water turbine set derive axis
Oil film thickness on-Line Monitor Device 100 is held, the water turbine set thrust bearing oil film thickness on-Line Monitor Device 100 passes through setting
Current vortex sensor 110 and processor 120 have with the thrust bearing shoe valve component 400 in the runner plate 200 with detection and are bonded to each other
First state when the current vortex sensor 110 probe set to the first distance between runner plate 200, and the detection driving
The standby 300 driving runner plates 200 and thrust bearing shoe valve relative rotation make lubricating oil enter the runner plate 200 and the thrust bearing shoe valve it
Between be separated from each other when forming oil film 30 the second state when the current vortex sensor 110 probe between the runner plate 200
Second distance, and the thickness value of the oil film 30 is obtained to realize detection oil film 30 according to first distance and second distance
Thickness value monitors the thickness value of oil film 30 when water turbine set 10 works with realizing, in real time in order to which user is in oil film
Water turbine set 10 is adjusted when 30 thickness values are excessive or too small so that water turbine set 10 is operated in optimum state.Pass through setting
Alarm 130 and the communication module 150 for being associated with host computer 20, in order to which user carries out management and control to the water turbine set 10.
It should be noted that term " comprising " or any other variant are intended to non-exclusive inclusion, to make
Process, article or the equipment that must include a series of elements include not only those elements, but also include being not explicitly listed
Other element, or further include for this process, article or the intrinsic element of equipment.The case where not limiting more
Under, the element that is limited by sentence "including a ...", it is not excluded that in process, article or the equipment including the element
There is also other identical elements.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of water turbine set thrust bearing oil film thickness on-Line Monitor Device is applied to water turbine set, which is characterized in that described
Water turbine set includes runner plate, driving equipment and thrust bearing shoe valve component, and the driving equipment is connect with the runner plate, the runner plate and institute
Stating thrust bearing shoe valve component has the first state being bonded to each other, and drives the runner plate and the thrust bearing shoe valve in the driving equipment
When relative rotation makes lubricating oil enter formation oil film between the runner plate and the thrust bearing shoe valve, there is the second shape being located remotely from each other
State；
The water turbine set thrust bearing oil film thickness on-Line Monitor Device includes current vortex sensor and processor, the processing
Device is electrically connected with the current vortex sensor, and the current vortex sensor is set to the thrust bearing shoe valve component, and the current vortex
The metal layer face of the probe and the runner plate of sensor, to detect the probe of the current vortex sensor in the first state
To the first distance between runner plate, and detect the probe of the current vortex sensor in second state to the runner plate it
Between second distance, the processor obtains the thickness value of the oil film according to first distance and second distance.
2. water turbine set thrust bearing oil film thickness on-Line Monitor Device according to claim 1, which is characterized in that described
Water turbine set thrust bearing oil film thickness on-Line Monitor Device further includes alarm, and the alarm is electrically connected with the processor
It connects, preset thickness range is prestored in the processor, the processor is used in the thickness value not in the preset thickness
The alarm is controlled when in range sends out alarm signal.
3. water turbine set thrust bearing oil film thickness on-Line Monitor Device according to claim 1, which is characterized in that described
Thrust bearing shoe valve component includes multiple thrust bearing shoe valves, and the multiple thrust bearing shoe valve is spaced setting and the bottom positioned at the runner plate successively, described
Current vortex sensor is multiple, and the water turbine set thrust bearing oil film thickness on-Line Monitor Device further includes multiple fixing pieces,
And each current vortex sensor corresponds to a fixing piece respectively and a thrust bearing shoe valve, multiple fixing pieces lead to respectively
It crosses corresponding fixing piece and is set to corresponding thrust bearing shoe valve.
4. water turbine set thrust bearing oil film thickness on-Line Monitor Device according to claim 3, which is characterized in that each institute
The axis for stating thrust bearing shoe valve is vertical with the runner plate respectively, and the fixing piece includes the first fixed part and the second fixed part, and described the
One fixed part is set to the thrust bearing shoe valve, and the second fixed part is connect and vertical with the axis with first fixed part, described
Eddy current sensor is set to second fixed part.
5. water turbine set thrust bearing oil film thickness on-Line Monitor Device according to claim 4, which is characterized in that described
Second fixed part is provided with the through-hole to match with the section of the eddy current sensor, and the surface of the eddy current sensor is provided with
Screw thread, the eddy current sensor pass through the through-hole and the nut by matching with the screw thread to be fixed on described second and fix
Portion.
6. water turbine set thrust bearing oil film thickness on-Line Monitor Device according to claim 3, which is characterized in that each
It is respectively set on the thrust bearing shoe valve there are two the fixing piece, and to be respectively arranged at the thrust bearing shoe valve opposite for two fixing pieces
Both sides.
7. water turbine set thrust bearing oil film thickness on-Line Monitor Device according to claim 3, which is characterized in that described
Driving equipment includes shaft and motor, and the shaft is separately connected with the center of the runner plate and the motor, each described
Multiple thrust bearing shoe valves are spaced setting and the bottom positioned at the runner plate successively, and each thrust bearing shoe valve is to the distance phase of the shaft
Together.
8. water turbine set thrust bearing oil film thickness on-Line Monitor Device according to claim 1, which is characterized in that described
Current vortex sensor includes QBJ-3800XL current vortex sensors and QBJ-31ZW profile shafts to displacement monitor, the QBJ-
3800XL current vortex sensors are electrically connected to displacement monitor with the processor by the QBJ-31ZW profile shafts.
9. water turbine set thrust bearing oil film thickness on-Line Monitor Device according to claim 1, which is characterized in that described
Water turbine set thrust bearing oil film thickness on-Line Monitor Device further includes being associated with the communication module of host computer, the processor with
The communication module electrical connection sends out the thickness of first distance, second distance and oil film by the communication module
It send to the host computer.
10. a kind of water turbine set, which is characterized in that derive axis including runner plate, driving equipment, thrust bearing shoe valve component and water turbine set
Oil film thickness on-Line Monitor Device is held, the driving equipment is connect with the runner plate, and the runner plate has with the thrust bearing shoe valve component
There is a first state being bonded to each other, and the runner plate and the thrust bearing shoe valve is made under driving equipment driving to be located remotely from each other the
Two-state, the runner plate and the thrust bearing shoe valve far from when, lubricating oil enters forms oil film between the runner plate and the thrust bearing shoe valve；
The water turbine set thrust bearing oil film thickness on-Line Monitor Device includes current vortex sensor and processor, the processing
Device is electrically connected with the current vortex sensor, and the current vortex sensor is set to the thrust bearing shoe valve component, and the current vortex
The probe of sensor is close to the runner plate to detect the probe of the current vortex sensor in the first state between runner plate
The first distance, and detect the probe of the current vortex sensor in second state to second between the runner plate away from
From the processor obtains the thickness of the oil film according to first distance and second distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810219921.5A CN108425779A (en) | 2018-03-16 | 2018-03-16 | Water turbine set thrust bearing oil film thickness on-Line Monitor Device and water turbine set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810219921.5A CN108425779A (en) | 2018-03-16 | 2018-03-16 | Water turbine set thrust bearing oil film thickness on-Line Monitor Device and water turbine set |
Publications (1)
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| CN108425779A true CN108425779A (en) | 2018-08-21 |
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| CN201810219921.5A Pending CN108425779A (en) | 2018-03-16 | 2018-03-16 | Water turbine set thrust bearing oil film thickness on-Line Monitor Device and water turbine set |
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Cited By (1)
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Application publication date: 20180821 |