CN110082114A - Million kilowatt nuclear power station diesel engine off-line monitoring system - Google Patents
Million kilowatt nuclear power station diesel engine off-line monitoring system Download PDFInfo
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- CN110082114A CN110082114A CN201910409778.0A CN201910409778A CN110082114A CN 110082114 A CN110082114 A CN 110082114A CN 201910409778 A CN201910409778 A CN 201910409778A CN 110082114 A CN110082114 A CN 110082114A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/04—Testing internal-combustion engines
- G01M15/05—Testing internal-combustion engines by combined monitoring of two or more different engine parameters
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- Testing And Monitoring For Control Systems (AREA)
Abstract
This application involves Emergency diesel systems technology fields, provide a kind of million kilowatt nuclear power station diesel engine off-line monitoring system, comprising: Off-line control device, transfer box, sensor of interest and terminal；The sensor of interest is mounted in equipment to be monitored, and is connect with the transfer box；The transfer box is connect with the Off-line control device；The Off-line control device is connect with the terminal；The sensor of interest is used to acquire the equipment operating parameter of the equipment to be monitored；The transfer box is used to the equipment operating parameter accessing the Off-line control device；The Off-line control device is used to the equipment operating parameter being converted to digital signal；The terminal is for storing and showing the digital signal, it not only still can guarantee the normal operation of equipment to be monitored, and by increasing sensor of interest, adequate data can be obtained when analyzing complex fault, and then substantially increase the accuracy and efficiency of determining failure cause, fault point.
Description
Technical field
This application involves Emergency diesel systems technology fields, more particularly to a kind of million kilowatt nuclear power station diesel engine
Off-line monitoring system.
Background technique
With the rapid development of the national economy, petroleum equipment, marine engineering equipment, land power station, ship power system etc.
Demand of the field to High speed and heavy duty diesel engine is more and more, requires increasingly the intelligence degree of diesel engine supervision system
Height, safety, reliability are also ever more importants.
By the monitoring system of diesel engine, realize fault diagnosis, so caused by reducing because of diesel engine fault directly or
It is connected into the important topic that this is always diesel engine industry.Tradition to most of diesel engine be by live online probe come into
Row monitors and judges failure.
However, live online probe designs are only to meet the basic control of diesel engine and defencive function, in the complicated event of analysis
Acquired data deficiencies to be when barrier to determine failure cause, fault point, therefore that there are accuracy and efficiencies is low, limitation is big
The problems such as.
Summary of the invention
Based on this, it is necessary to which in view of the above technical problems, providing a kind of can be improved failure cause, the standard of fault point
The million kilowatt nuclear power station diesel engine off-line monitoring system of true property and efficiency.
A kind of million kilowatt nuclear power station diesel engine off-line monitoring system, the system comprises: Off-line control device, switching
Case, sensor of interest and terminal；The sensor of interest is mounted in equipment to be monitored, and is connect with the transfer box；It is described
Transfer box is connect with the Off-line control device；The Off-line control device is connect with the terminal；
The sensor of interest is used to acquire the equipment operating parameter of the equipment to be monitored；
The transfer box is used to the equipment operating parameter accessing the Off-line control device；
The Off-line control device is used to the equipment operating parameter being converted to digital signal；
The terminal is for storing and showing the digital signal.
The model of the Off-line control device and the on-line controller in the equipment to be monitored in one of the embodiments,
It is identical.
The sensor of interest is mounted on the preformed hole of the ontology of the equipment to be monitored in one of the embodiments,
On.
The sensor of interest includes at least one of lower sensor in one of the embodiments: pressure sensing
Device, temperature sensor, speed probe, Boolean value output sensor.
The transfer box is multi-functional switching case in one of the embodiments, is provided on the multi-functional switching case
Terminal block, multiple sensor of interest are connect by the terminal block with the multi-functional switching case.
The Off-line control device includes aviation interface in one of the embodiments,；The transfer box passes through the aviation
Interface is connect with the Off-line control device.
The Off-line control device passes through preset communication protocol and the terminal communication link in one of the embodiments,
It connects.
The Off-line control device further includes man-machine interface in one of the embodiments,；The Off-line control device passes through institute
Man-machine interface is stated, is communicated to connect using the preset communication protocol and the terminal.
The system also includes power supplys in one of the embodiments,；The power supply passes through in the Off-line control device
Power interface is Off-line control device power supply.
The terminal is also used to the type according to each sensor of interest to described offline in one of the embodiments,
Each input port of controller is configured.
Million kilowatt nuclear power station diesel engine off-line monitoring system in above-described embodiment includes: Off-line control device, switching
Case, sensor of interest and terminal；Sensor of interest is mounted in equipment to be monitored, and connect with transfer box；Transfer box and offline
Controller connection；Off-line control device is connect with terminal, and the equipment operating parameter of equipment to be monitored is acquired by sensor of interest, and
Equipment operating parameter is accessed into Off-line control device by transfer box, equipment operating parameter is converted to digital letter by Off-line control device
Number, it then terminal storage and shows digital signal, not only still can guarantee the normal operation of equipment to be monitored, and by increasing target
Sensor can obtain adequate data when analyzing complex fault, and then substantially increase determining failure cause, fault point
Accuracy and efficiency.
Detailed description of the invention
Fig. 1 is million kilowatt nuclear power station diesel engine off-line monitoring system schematic in one embodiment；
Fig. 2 is ECS956 Off-line control device schematic diagram in another embodiment；
Fig. 3 is the floor map of multi-functional switching case in another embodiment；
Fig. 4 is million kilowatt nuclear power station diesel engine off-line monitoring system schematic in another embodiment；
Fig. 5 is terminal in another embodiment to each input port configuration example figure of Off-line control device；
Fig. 6 is real-time status signal and the comparison diagram in each channel in another embodiment.
Description of symbols:
1: Off-line control device；
2: transfer box；
3: sensor of interest；
4: terminal；
5: power supply；
10: main interface panel；
11:CCS2 interface；
12:CCS1 interface；
13: man-machine interface；
14:MOT1 interface；
15:MOT2 interface；
16: power interface；
20: terminal block；
21: aviation interface.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the application, and do not have to
In restriction the application.
Technical solution of the present invention is described in detail with specifically embodiment below.These specific implementations below
Example can be combined with each other, and the same or similar concept or process may be repeated no more in certain embodiments.
In one embodiment, as shown in Figure 1, Fig. 1 provides a kind of million kilowatt nuclear power station diesel engine off-line monitoring
System schematic, the system include Off-line control device 1, transfer box 2, sensor of interest 3 and terminal 4, and the sensor of interest 3 is pacified
It is connect in equipment to be monitored, and with the transfer box 2；The transfer box 2 is connect with the Off-line control device 1；It is described from
Lane controller 1 is connect with the terminal 4；The sensor of interest 3 is used to acquire the equipment operating parameter of the equipment to be monitored；
The transfer box 2 is used to the equipment operating parameter accessing the Off-line control device；The Off-line control device 1 is used for will be described
Equipment operating parameter is converted to digital signal；The terminal 4 is for storing and showing the digital signal.
Wherein, equipment to be monitored can be diesel engine or other compact systems or equipment, Off-line control device 1 with it is to be monitored
Equipment is connectionless, and then the normal work that will not treat monitoring device has an impact.Off-line control device 1 can be embedded processing
Device, central processing unit (Central Processing Unit, CPU), single-chip microcontroller, digital processing unit etc.；Transfer box 2 can incite somebody to action
Cable distribution or switching；Sensor of interest 3 is used to acquire the equipment operating parameter of equipment to be monitored, for example, it may be pressure passes
Sensor, temperature sensor etc., can be same type, be also possible to different type, can be arranged according to actual needs；Terminal 4 can
To be plate, computer, server etc., can be used for that the digital signal that Off-line control device 1 is converted is stored and shown, for example,
Off-line control device 1 can be configured by software specific in terminal 4, be monitored or failure point treating monitoring device
When analysis, digitalized data can be monitored or timing plays back by selecting different real time datas.
It illustratively,, can be by pacifying on a diesel engine if equipment to be monitored is diesel engine during off-line monitoring
Fill several sensor of interest 3, for example, sensor of interest 3 can be pressure sensor and temperature sensor, pressure sensor and
The temperature and pressure parameter of temperature sensor acquisition diesel engine, wherein the form of expression of temperature and pressure parameter can be difference
Signal.Since pressure sensor and temperature sensor are connect with transfer box 2 respectively, transfer box 2 is connect with Off-line control device 1,
Therefore, temperature and pressure parameter can be accessed Off-line control device 1 by transfer box 2, and Off-line control device 1 can be directly by temperature and pressure
Force parameter is converted to digital signal, is analyzed alternatively, can also carry out processing to temperature and pressure parameter as a result, and will
Analysis result is converted to digital signal；And digital signal is sent to terminal 4, terminal 4, can when receiving various digital signals
Number to be stored and is shown in terminal 4 by specific software.
Million kilowatt nuclear power station diesel engine off-line monitoring system in above-described embodiment includes Off-line control device, switching
Case, sensor of interest and terminal；Sensor of interest is mounted in equipment to be monitored, and connect with transfer box；Transfer box and offline
Controller connection；Off-line control device is connect with terminal, and the equipment operating parameter of equipment to be monitored is acquired by sensor of interest, and
Equipment operating parameter is accessed into Off-line control device by transfer box, equipment operating parameter is converted to digital letter by Off-line control device
Number, it then terminal storage and shows digital signal, not only still can guarantee the normal operation of equipment to be monitored, and by increasing target
Sensor can obtain adequate data when analyzing complex fault, and then substantially increase determining failure cause, fault point
Accuracy and efficiency.
Traditional online probe designs in scene, which refer to using the on-line controller in equipment to be monitored, to be realized, specifically
Ground, on-line controller are connect with on-line sensor, and on-line sensor is the sensor for meeting equipment groundwork to be monitored, example
Such as, speed probe is arranged in diesel engine, and then realizes the constant-speed operation of diesel engine.In order to realize that Off-line control device is set with to be monitored
Standby interior on-line controller data are synchronous, and then the parameter that can be obtained to off-line sensors and on-line sensor, synchronize effectively
Carry out analyze, and then for monitoring and accident analysis more data are provided.The Off-line control in one of the embodiments,
Device is identical as the model of on-line controller in the equipment to be monitored.
Illustratively, if the on-line controller in diesel engine is ECS956 electronic controller, wherein ECS956 electronic control
The speed-regulating system that the ridge Qi Wei Australia second phase emergency diesel-oil unit 20V956TB33 is equipped with, it may be implemented diesel engine starting control, turns
Speed control, load control system, while being also equipped with defencive function, test function etc.；Then Off-line control device is also configured as ECS956 electronics
Controller mainly realizes multi-functional acquisition and good in interactive function.
It should be noted that it is also feasible that Off-line control device is not identical as the model of the on-line controller in equipment to be monitored
Ground, it is only necessary to which different digital signals centainly handle.
Optionally, the Off-line control device includes aviation interface；The transfer box by the aviation interface and it is described from
Lane controller connection.Illustratively, Off-line control device is ECS956 electronic controller, as shown in Fig. 2, ECS956 Off-line control device
May include main interface panel 10, CCS2 interface 11, CCS1 interface 12, man-machine interface 13, MOT1 interface 14, MOT2 interface 15,
Power interface 16, wherein CCS2 interface 11, CCS1 interface 12, man-machine interface 12, MOT1 interface 14, MOT2 interface 15 are ok
For aviation interface, CCS2 interface 11, CCS1 interface 12, MOT1 interface 14, MOT2 interface 15 can be used for corresponding on transfer box
The connection of aviation interface；Man-machine interface 12 can be used for connecting terminal prot；Power interface 16 can be used for being connected as Off-line control device confession
The power supply device of electricity.
In above-described embodiment, Off-line control device includes aviation interface, since aviation interface not only has contact believed characteristic,
And installation it is simple, it can be achieved that transfer box and Off-line control device fast and reliable connection, and then provide great convenience.
Optionally, the Off-line control device is communicated to connect by preset communication protocol and the terminal.Wherein, preset
Communication protocol can be RS422 communications protocol.Optionally, the Off-line control device further includes man-machine interface, the Off-line control
Device is communicated to connect by the man-machine interface using the preset communication protocol and the terminal.
Illustratively, as shown in Fig. 2, dedicated RS422 connection and RS422/ can be passed through if terminal is the port RS232
The man-machine interface 13 of ECS956 Off-line control device is connect by RS232 adapter with the port RS232 of terminal.
The sensor of interest includes at least one of lower sensor in one of the embodiments: pressure sensing
Device, temperature sensor, speed probe, Boolean value output sensor.
Wherein, pressure sensor can be used to monitor various pressure, for example, starting air pressure, fuel oil fore filter
Pressure, combustion air pressure, fuel pump inlet pressure etc. after preceding pressure, fuel oil filter；Temperature sensor can be used to monitor
Various temperature, for example, fuel pump inlet temperature, fuel pump outlet temperature, delivery temperature of multiple cylinders etc.；Speed probe can
To be used to monitor the revolving speed of diesel engine；Boolean value output sensor can be used to monitor various on-off models, for example, A column pilot valve
250VA open signal, A arrange main trigger valve open signal 252SM, B column pilot valve open signal 251VA, B and arrange main trigger valve unlatching
Signal 253SM, soft starting valve 254VA action signal etc..
Sensor of interest in above-described embodiment includes at least one of lower sensor: pressure sensor, temperature pass
Sensor, speed probe, Boolean value output sensor can acquire multiple equipment by increasing sensor of interest according to actual needs
Operating parameter, and then adequate data is obtained when analyzing complex fault, and then substantially increase determining failure cause, positioning failure
The accuracy and efficiency of point.
The sensor of interest is mounted on the preformed hole of the ontology of the equipment to be monitored in one of the embodiments,
On.Wherein, sensor of interest can be connected by modes such as screw thread or buckles, be mounted on the preformed hole of the ontology of equipment to be monitored
On.
The transfer box is multi-functional switching case in one of the embodiments, is provided on the multi-functional switching case
Terminal block, multiple sensor of interest are connect by the terminal block with the multi-functional switching case.Wherein, Fig. 3 is provided
The floor map of multi-functional switching case.As shown in figure 3, multi-functional switching case includes: terminal block 20 and aviation interface 21, example
Property, the wiring of sensor of interest accesses multi-functional switching case by terminal block 20, after terminal block is transferred, the other end can
Off-line control device is accessed by aviation interface 21.
Optionally, terminal block 20 is settable single or multiple, and each terminal block 20 can according to need increase and decrease, actually
Scene for ease of use, can only use one to two row terminal blocks carry out switching can meet demand.
Fig. 4 also provides a kind of million kilowatt nuclear power station diesel engine off-line monitoring system, as shown in figure 4, the system
It further include power supply 5；The power supply 5 is Off-line control device power supply by the power interface in the Off-line control device 1.Its
In, power supply 5 is connect with Off-line control device 1, it powers for Off-line control device 1, and Off-line control device 1 is sensed by transfer box and target
Device 3 connects, and then is powered for sensor of interest 3.
Illustratively, ECS956 Off-line control device and sensor of interest need DC24V to power, wherein Off-line control device
Load is about 3A, and sensor of interest load can be determined according to actual quantity, and the power supply not less than DC24V/5A usually can be used.
The terminal is also used to the type according to each sensor of interest to described offline in one of the embodiments,
Each input port of controller is configured.It specifically,, will be from by terminal specific software according to the type of sensor of interest
Lane controller corresponding channel configuration is at the type for matching sensor of interest, for example, as shown in figure 5, can match 0-4 port channel
It is set to 4-20mA current modes；The channel 8-10 is configured to PT1000 type；The channel 15-18 is configured to thermocouple type；40.06—
No. 44.06 channels are defaulted as switching value type, can also configure according to actual needs to each input port.
Wherein, the corresponding terminal software of different Off-line control devices is different, with Off-line control device for ECS956 controller
For, 2.52 software of Diasys can be used in terminal, which is the special purpose interface software for the research and development of ECS956 controller, people
Machine friendly interface has good operability and powerful scalability, and has real-time sampling ability, has highest 50ms's
Sampling rate, it can configure each input port of ECS956 controller, can also be believed with free configuration acquisition signal, output
It number is continuously monitored.
It should be noted that Diasys2.52 software can connect two ECS956 controllers simultaneously.In the present embodiment, no
Offline ECS956 controller can be only connected, also while being connected to the online ECS956 controller in Emergency diesel, and then can be with
More parameters are transferred from offline ECS956 controller and online ECS956 controller to be placed under same configuration picture convenient for comparing,
To obtain more information.For the ease of clear, when offline ECS956 controller, online ECS956 controller connect simultaneously
Parameter selection configures settable corresponding mark, for example, the channel that every row initial is 1 represents the data point in online ECS, is
Data point in the offline ECS of 2 representative.
Illustratively, terminal can also the information such as channel sample rate to Off-line control device carry out configuration, so that required parameter is existed
Backstage starting record, and then it is aobvious that foreground can be realized further according to needing selected part sampled point to carry out configuration in visualization interface
Show, backstage record, the curve on graphic interface is avoided excessively to influence monitoring effect.As shown in fig. 6, Fig. 6 provides set of terminal
Each channel real value is shown in graphic interface after state, left side pop-up box, and historical trend is shown in right side graph, into
When row malfunction monitoring is analyzed, the real-time status in each channel can clearly be tracked by the interface and compared, and then improve event
Hinder the efficiency of monitoring.Although not influencing real time data in addition, some other Backend parameter is not shown on graphic interface
Acquisition, all back-end datas can according to need in configuration to graphic interface at any time.
By the off-line monitoring system of million kilowatt nuclear power station diesel engine described in above-mentioned any embodiment, it is applied to L402
In overhaul, it to be used for the unstable cause investigation of L4LHQ Emergency diesel no-load speed.By nuclear power station off-line monitoring system, obtain
The data such as pressure, temperature, the revolving speed of each pipeline carry out comprehensive analysis, when discovery L4LHQ Emergency diesel starting, gives oil mass mistake
High and time of integration is too short, is that revolving speed runs jiggly basic reason when causing L4LHQ No Load Start.Based on the analysis results
L4LHQ emergency diesel-oil machine control system parameter is optimized, it is unstable finally to solve L4LHQ Emergency diesel no-load speed
Fixed significant deficiency.
In addition, starting time partially long reason in L303 overhaul later to search L3LHQ, meeting an urgent need again in L3LHQ
Implement on diesel engine, though failure is different, other than the quantity of sensor of interest and sample point are changed, core scheme
It does not need to make any change, carries out comprehensive analysis eventually by the data that this off-line monitoring system acquisition arrives, it was found that L3LHQ is opened
Partially long basic reason of dynamic time, solves this long-term knotty problem, it is seen then that the off-line monitoring system has good expansion
And portability.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of million kilowatt nuclear power station diesel engine off-line monitoring system, which is characterized in that the system comprises: Off-line control
Device, transfer box, sensor of interest and terminal；The sensor of interest is mounted in equipment to be monitored, and is connected with the transfer box
It connects；The transfer box is connect with the Off-line control device；The Off-line control device is connect with the terminal；
The sensor of interest is used to acquire the equipment operating parameter of the equipment to be monitored；
The transfer box is used to the equipment operating parameter accessing the Off-line control device；
The Off-line control device is used to the equipment operating parameter being converted to digital signal；
The terminal is for storing and showing the digital signal.
2. system according to claim 1, which is characterized in that in the Off-line control device and the equipment to be monitored
The model of lane controller is identical.
3. system according to claim 1 or 2, which is characterized in that the sensor of interest is mounted on described to be monitored set
On the preformed hole of standby ontology.
4. system according to claim 1 or 2, which is characterized in that the sensor of interest includes in lower sensor
At least one: pressure sensor, temperature sensor, speed probe, Boolean value output sensor.
5. system according to claim 1 or 2, which is characterized in that the transfer box is multi-functional switching case, more function
It can be provided with terminal block on transfer box, multiple sensor of interest are connected by the terminal block and the multi-functional switching case
It connects.
6. system according to claim 1 or 2, which is characterized in that the Off-line control device includes aviation interface；Described turn
It connects case and is connect by the aviation interface with the Off-line control device.
7. system according to claim 1 or 2, which is characterized in that the Off-line control device passes through preset communication protocol
It is communicated to connect with the terminal.
8. system according to claim 7, which is characterized in that the Off-line control device further includes man-machine interface；It is described from
Lane controller is communicated to connect by the man-machine interface using the preset communication protocol and the terminal.
9. system according to claim 1 or 2, which is characterized in that the system also includes power supplys；The power supply passes through institute
The power interface in Off-line control device is stated as Off-line control device power supply.
10. system according to claim 1 or 2, which is characterized in that the terminal is also used to be sensed according to each target
The type of device configures each input port of the Off-line control device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910409778.0A CN110082114B (en) | 2019-05-17 | 2019-05-17 | Off-line monitoring system for diesel engine of million-kilowatt nuclear power station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910409778.0A CN110082114B (en) | 2019-05-17 | 2019-05-17 | Off-line monitoring system for diesel engine of million-kilowatt nuclear power station |
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| CN110082114B CN110082114B (en) | 2021-10-15 |
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| CN111478964A (en) * | 2020-04-07 | 2020-07-31 | 南京长江油运有限公司 | Remote monitoring system for working condition of marine main engine |
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| CN108593304A (en) * | 2018-03-23 | 2018-09-28 | 广东核电合营有限公司 | Nuclear power Emergency diesel multi-state alert status monitors and diagnostic analysis system and method |
| CN108663213A (en) * | 2018-04-26 | 2018-10-16 | 中广核研究院有限公司 | A kind of online particle monitoring systems and method of nuclear power plant's Emergency diesel lubricating oil |
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| CN110082114B (en) | 2021-10-15 |
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