CN108594755A - A kind of underwater power generation unit and its sealing anti-leak monitoring system - Google Patents
A kind of underwater power generation unit and its sealing anti-leak monitoring system Download PDFInfo
- Publication number
- CN108594755A CN108594755A CN201810865616.3A CN201810865616A CN108594755A CN 108594755 A CN108594755 A CN 108594755A CN 201810865616 A CN201810865616 A CN 201810865616A CN 108594755 A CN108594755 A CN 108594755A
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- Prior art keywords
- power generation
- generation unit
- leak
- monitoring system
- sealing
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 67
- 238000010248 power generation Methods 0.000 title claims abstract description 51
- 238000012544 monitoring process Methods 0.000 title claims abstract description 46
- 239000007788 liquid Substances 0.000 claims abstract description 32
- 230000002265 prevention Effects 0.000 claims abstract description 13
- 230000003068 static effect Effects 0.000 claims description 13
- 238000005516 engineering process Methods 0.000 description 3
- 239000013535 sea water Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/11—Plc I-O input output
- G05B2219/1103—Special, intelligent I-O processor, also plc can only access via processor
Abstract
The invention discloses a kind of underwater power generation unit and its sealing anti-leak monitoring systems, including mutual indepedent and redundancy sealing system, leak prevention system and leakage monitoring system；The leak prevention system includes the multiple liquid leak sensors being distributed in underwater power generation unit and the PLC control system being connect with the liquid leak sensor, and the PLC control system is used to obtain the acquisition information of the liquid leak sensor and alarms；The leakage monitoring system includes the multiple infrared perspective cameras being distributed in underwater power generation unit and the video monitoring system being connect with the infrared perspective camera, and the video monitoring system is used to obtain the image of the infrared perspective camera and is alarmed according to image comparison result.The present invention completely the leakproofness to underwater unit and leakage situation can make timely judgement and alarm, and can monitor the safe operation state of unit in real time.
Description
Technical field
The present invention relates to underwater power generation unit fields, more particularly to a kind of underwater power generation unit and its sealing anti-leak prison
Control system.
Background technology
Currently, the design of underwater power generation unit is a development trend of future market, and traditional underwater power generation unit
Sealing system a kind of underwater sealing system and applies its trend only for sealing position independent design, such as CN203756417U
Energy generating set, judges sealing state, and can only be by sealing position two according to the pressure sensor inside pressure cavity
The pressure of side chamber body is compared, and alarm can be sent out when more than a certain pressure value.If cavity both sides occur to leak or go out simultaneously
When the special circumstances such as existing pressure sensor failure, it can not carry out making alarm and judgement.
It can be seen that above-mentioned existing underwater power generation unit is upper in sealing leakage-proof structure and use, it is clear that there are still have
Inconvenient and defect, and need to be further improved.How to found and a kind of can completely the leakproofness to underwater unit and let out
Leakage situation, which is made, timely to be judged and alarms, and can monitor the underwater power generation unit of the safe operation state of unit and its close in real time
Anti-leak monitoring system is sealed, the target that current industry needs to improve is become.
Invention content
The technical problem to be solved in the present invention is to provide it is a kind of can be completely to the leakproofness and leakage situation of underwater unit
It makes and timely judges and alarm, and the underwater power generation unit of the safe operation state of unit can be monitored in real time and its seal anti-let out
Monitoring system is leaked, to overcome the shortcomings of that traditional underwater power generation unit fails to find failure in time because of sealing system.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
On the one hand, the present invention provides a kind of sealing anti-leak monitoring system of underwater power generation unit, including it is mutual indepedent
And sealing system, leak prevention system and the leakage monitoring system of redundancy；The leak prevention system includes being distributed in underwater power generator
Multiple liquid leak sensors in group and the PLC control system being connect with the liquid leak sensor, PLC controls system
The acquisition information for obtaining the liquid leak sensor of uniting simultaneously is alarmed.
As the present invention further improve, the leakage monitoring system include be distributed in it is multiple in underwater power generation unit
Infrared perspective camera and the video monitoring system being connect with the infrared perspective camera, the video monitoring system is for obtaining
It takes the image of the infrared perspective camera and is alarmed according to image comparison result.
Further, the underwater power generation unit is marine tidal-current energy generator group, and the liquid leak sensor includes blade
Liquid leak sensor in interior liquid leak sensor, wheel hub, liquid leakage in liquid leak sensor and deck store in intermediate cabin
Sensor.
Further, the underwater power generation unit is marine tidal-current energy generator group, and the infrared perspective camera includes blade
Infrared perspective camera in interior infrared perspective camera, wheel hub, infrared perspective in infrared perspective camera and deck store in intermediate cabin
Camera.
Further, the sealing system includes static seal system and dynamic sealing system, and the static seal system is for quiet
The sealing of stop position, the dynamic sealing system are used for the sealing of rotation portion.
Further, the static seal system uses the form of sealing ring；The dynamic sealing system uses the shape of stuffing-box
Formula.
Further, the underwater power generation unit is marine tidal-current energy generator group, and the dynamic sealing system is sent out for marine tidal-current energy
Between the wheel hub and blade and wheel hub and gear-box of motor group, before the static seal system is for the wheel hub of marine tidal-current energy generator group
Between end cap and wheel hub, between gear-box and intermediate cabin, between intermediate cabin and generator and between generator and deck store.
Further, further include SCADA system server, the SCADA system server and leak prevention system and leakage
Monitoring system connects.
On the other hand, the present invention provides a kind of underwater power generation units, including above-mentioned sealing anti-leak monitoring system.
Further, the underwater power generation unit is marine tidal-current energy generator group.
By using above-mentioned technical proposal, the present invention has at least the following advantages：
It is a whole set of perfect that the present invention provides a kind of sealing of collection, leak detection and leakage monitoring etc. to entire underwater power generation unit
System, whole system is completely embedded between each other, while mutual indepedent and mutual redundancy backup, when a kind of system fails
When, it needs another set of system and makes analytical judgment and comparison in time, and make corresponding alarm decision, thus can be complete right
The leakproofness and leakage situation of underwater unit, which are made, timely to be judged and alarms, and can monitor the safe operation shape of unit in real time
State.
Description of the drawings
The above is merely an overview of the technical solutions of the present invention, in order to better understand the technical means of the present invention, below
In conjunction with attached drawing, the present invention is described in further detail with specific implementation mode.
Fig. 1 is the overall structure block diagram of the sealing anti-leak monitoring system of underwater power generation unit in one embodiment of the invention.
Fig. 2 is the overall structure frame of the sealing anti-leak monitoring system of underwater power generation unit in another embodiment of the present invention
Figure；
Fig. 3 is the overall structure figure of marine tidal-current energy generator group；
Fig. 4 is the sealing system structure chart of marine tidal-current energy generator group.
Specific implementation mode
Currently, underwater power generation unit is most important link for the sealing performance design of complete machine, for underwater sealing, originally
Inventive embodiments provide a kind of sealing anti-leak monitoring system of underwater power generation unit, as shown in Figure 1, the system is in addition to setting
Sealing system also while being provided with leak prevention system and leakage monitoring system, and each system is mutual indepedent, and is connected with each other tight
It is close, and realize the function of redundancy backup.
Above-mentioned sealing system includes static seal system and dynamic sealing system, and the static seal system is close for static position
Envelope refers to the not sealing of relative motion between sealing coupling part；The dynamic sealing system is used for the sealing of rotation portion, and it is even to refer to sealing
There is the sealing of relative motion between component.Static seal is the form by sealing ring, has requirement below to the material of sealing ring：Material
To expect that compactness is good, is not easy leaking medium, there is mechanical strength and hardness appropriate, compressibility and resilience are good, and permanent deformation is small,
Resistance to ag(e)ing is good, durable.Dynamic sealing is the form by stuffing-box, is in direct contact and is filled with valve rod with filler in stuffing-box
Full stuffing-box, prevents medium from leaking outside.Have to filler claimed below：Good airproof performance, corrosion-resistant, friction coefficient is small, adapts to medium temperature
Degree and pressure.
Specifically, coordinate Fig. 3, shown in 4, by taking underwater power generation unit is marine tidal-current energy generator group as an example, marine tidal-current energy generator
Group includes that blade 1, wheel hub 3, gear-box 4, intermediate cabin 5, generator 6 and deck store 7,3 front end of wheel hub are additionally provided with hub nose lid
2, dynamic sealing system 9 is used between the wheel hub 3 and blade 1 and wheel hub 3 and gear-box 4 of marine tidal-current energy generator group, static seal system 8
For between the hub nose lid 2 and wheel hub 3 of marine tidal-current energy generator group, between gear-box 4 and intermediate cabin 5, intermediate cabin 5 and power generation
Between machine 6 and between generator 6 and deck store 7.
Above-mentioned leak prevention system include the multiple liquid leak sensors being distributed in underwater power generation unit and with the liquid
The PLC control system of body leak sensor connection, the PLC control system are used to obtain the acquisition of the liquid leak sensor
Information is simultaneously alarmed.
Specifically, by taking underwater power generation unit is marine tidal-current energy generator group as an example, coordinate shown in Fig. 2, can generate electricity in marine tidal-current energy
Wheel hub, intermediate cabin, liquid leak sensor in blade, liquid leakage sensing in wheel hub is respectively set in tail storehouse in the blade of unit
Liquid leak sensor in liquid leak sensor and deck store, passes through the liquid leakage in many key positions in device, intermediate cabin
Sensor forms dot matrix distribution, and detection underwater power generation unit internal environment that can be comprehensive is likely to occur the liquid feelings of leakage
Condition to protect the safe operation of the various kinds of equipment inside unit, and passes to PLC controls by the form of analog quantity or digital quantity
When the liquid leaked is more than the setting value of master control alarm signal can occur in time for system.
Above-mentioned leakage monitoring system include the multiple infrared perspective cameras being distributed in underwater power generation unit and with it is described
The video monitoring system of infrared perspective camera connection, the video monitoring system is for obtaining the infrared perspective camera
Image is simultaneously alarmed according to image comparison result.
Specifically, by taking underwater power generation unit is marine tidal-current energy generator group as an example, coordinate shown in Fig. 2, can generate electricity in marine tidal-current energy
The blade of unit, intermediate cabin, is respectively set that infrared perspective camera in blade, infrared perspective images in wheel hub in tail storehouse at wheel hub
Infrared perspective camera in infrared perspective camera and deck store in head, intermediate cabin.Video monitoring system with infrared perspective function
System monitors the operation of entire underwater power generation unit in real time by being equipped with 360 degree without dead angle high-definition infrared perspective camera
Situation ensures the safety operation of unit.Meanwhile image comparison analysis is carried out to the leakage situation in unit, when there is image
When contrast difference, alarm command can be sent out.
The present invention is effectively combined by quiet, dynamic sealing, and monitoring system is revealed in the dot matrix distribution of liquid leakage sensor
Real time monitoring, judges the sealing state of entire unit.When sealing system fails, can judge to leak feelings by leak prevention system
Condition, if first two all fails, leakage monitoring system can analyze and determine sealing and leak condition according to image comparison.Specifically,
The present invention can prevent invasion of the seawater to underwater power generation unit by the sealing system of seamless connection, meanwhile, the liquid at each position
Body leak sensor can be directed to when having seawater leakage, alarm signal can occur in time, PLC control system is made in time to be sentenced
It is disconnected, and send out alarm command.It is real-time by infrared perspective camera when seawater leakage and liquid leakage sensor failure occurs
Monitoring, and carries out image analysis comparison, for parsing image comparison it is variant when, alarm command can be sent out.Between each system
Independently of each other, the function of redundancy backup while is mutually realized again.
In addition, preferably scheme, the sealing anti-leak monitoring system of underwater power generation unit coordinate shown in Fig. 2, also wrap
SCADA system server is included, the SCADA system server is connect with leak prevention system and leakage monitoring system, passes through SCADA
System server realizes unified alarm.
Underwater unit in the present invention can be marine tidal-current energy generator group as described above or energy by ocean current generating set
Deng.
In conclusion the present invention has carried out sealing system design for underwater power generation unit, leak prevention system is designed and let out
Design of Monitoring and Control System is leaked, whole system is completely embedded between each other, while mutual indepedent and mutual redundancy backup, can be complete right
The leakproofness and leakage situation of underwater power generation unit, which are made, timely to be judged and alarms, and can monitor the safe operation of unit in real time
State.
The present invention is other than considering the reliability design of underwater power generation unit internal unit, it is also contemplated that the dimension of unit
Shield requires, and is monitored in real time to the operating condition of underwater power generation unit, makes analyticals judgment in time, can be correctly to being out of order point
Analysis and the practical property and reasonability safeguarded.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, this
Field technology personnel make a little simple modification, equivalent variations or modification using the technology contents of the disclosure above, all fall within this hair
In bright protection domain.
Claims (10)
1. a kind of sealing anti-leak monitoring system of underwater power generation unit, which is characterized in that including mutual indepedent and redundancy close
Envelope system, leak prevention system and leakage monitoring system；
The leak prevention system includes the multiple liquid leak sensors being distributed in underwater power generation unit and is let out with the liquid
Reveal the PLC control system of sensor connection, the PLC control system is used to obtain the acquisition information of the liquid leak sensor
And it alarms.
2. the sealing anti-leak monitoring system of underwater power generation unit according to claim 1, which is characterized in that the leakage
Monitoring system includes the multiple infrared perspective cameras being distributed in underwater power generation unit and connects with the infrared perspective camera
The video monitoring system connect, the video monitoring system is for obtaining the image of the infrared perspective camera and according to image ratio
It alarms result.
3. the sealing anti-leak monitoring system of underwater power generation unit according to claim 1, which is characterized in that described underwater
Generating set is marine tidal-current energy generator group, and the liquid leak sensor includes liquid leak sensor in blade, liquid in wheel hub
Liquid leak sensor in liquid leak sensor and deck store in body leak sensor, intermediate cabin.
4. the sealing anti-leak monitoring system of underwater power generation unit according to claim 2, which is characterized in that described underwater
Generating set is marine tidal-current energy generator group, and the infrared perspective camera includes infrared perspective camera in blade, red in wheel hub
Infrared perspective camera in infrared perspective camera and deck store in outer perspective camera, intermediate cabin.
5. the sealing anti-leak monitoring system of underwater power generation unit according to claim 1, which is characterized in that the sealing
System includes static seal system and dynamic sealing system, and the static seal system is used for the sealing at static position, the dynamic sealing system
Sealing of the system for rotation portion.
6. the sealing anti-leak monitoring system of underwater power generation unit according to claim 5, which is characterized in that described quiet close
Envelope system uses the form of sealing ring；The dynamic sealing system uses the form of stuffing-box.
7. the sealing anti-leak monitoring system of underwater power generation unit according to claim 5, which is characterized in that described underwater
Generating set is marine tidal-current energy generator group, the dynamic sealing system for marine tidal-current energy generator group wheel hub and blade and wheel hub with
Between gear-box, the static seal system is used between the hub nose lid and wheel hub of marine tidal-current energy generator group, gear-box is in
Between between cabin, between intermediate cabin and generator and between generator and deck store.
8. according to the sealing anti-leak monitoring system of claim 1-7 any one of them underwater power generation units, which is characterized in that
Further include SCADA system server, the SCADA system server is connect with leak prevention system and leakage monitoring system.
9. a kind of underwater power generation unit, which is characterized in that including claim 1-8 any one of them sealing anti-leak monitoring system
System.
10. underwater power generation unit according to claim 9, which is characterized in that be marine tidal-current energy generator group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810865616.3A CN108594755A (en) | 2018-08-01 | 2018-08-01 | A kind of underwater power generation unit and its sealing anti-leak monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810865616.3A CN108594755A (en) | 2018-08-01 | 2018-08-01 | A kind of underwater power generation unit and its sealing anti-leak monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN108594755A true CN108594755A (en) | 2018-09-28 |
Family
ID=63619041
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810865616.3A Pending CN108594755A (en) | 2018-08-01 | 2018-08-01 | A kind of underwater power generation unit and its sealing anti-leak monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110057507A (en) * | 2019-06-04 | 2019-07-26 | 国电联合动力技术有限公司 | The sealing property testing system and method for marine tidal-current energy generator group |
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