CN203745002U - Intelligent device for measuring operation time and phase of electric control actuator of low-speed machine - Google Patents
Intelligent device for measuring operation time and phase of electric control actuator of low-speed machine Download PDFInfo
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- CN203745002U CN203745002U CN201320625231.2U CN201320625231U CN203745002U CN 203745002 U CN203745002 U CN 203745002U CN 201320625231 U CN201320625231 U CN 201320625231U CN 203745002 U CN203745002 U CN 203745002U
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Abstract
The utility model discloses an intelligent device for measuring the operation time and phase of an electric control actuator of a low-speed machine, and the device comprises a test-data real-time storage module, a test-data real-time display module, a history test data condition query module, a test data curve plotting module, a Hall sensor, and a data recorder. The Hall sensor is connected with the data recorder through a signal line. The data recorder is connected with the test-data real-time storage module through a CAN bus communication network. The device provided by the utility model can achieve automatic measurement and can accurately obtain operation timing, operation duration and phase, fuel injection quantity and the electric control actuator driving waveform of each operating cycle in the operation process of the electric control actuator of a diesel engine. The device is used for the analysis of the control strategy of a control system. The device is low in number of connecting lines, is small in size of assemblies, is light weight, and is suitable for the portable measurement in an actual ship environment.
Description
Technical field
The utility model relates to a kind of measurement mechanism, relates in particular to actuation time and the phase measurement device of the automatically controlled actuator of a kind of intelligent low-speed machine.
Background technology
High power intelligent marine low speed diesel engine intelligent control system is with high content of technology, is the high-tech product of multidisciplinary synthesis.The control strategy of low-speed machine electric-control system mainly comprises that fuel oil sprays, vent valve opens and closes, the detailed control strategy of air actuation system, and action moment, duration and phase place, fuel injection amount, automatically controlled actuator driven voltage and the current waveform etc. that wherein obtain exactly in the automatically controlled actuator course of work of each working cycle of diesel engine are the very effective methods of one of analysis and Control system control strategy.
The method that existing actuation time to the automatically controlled actuator of intelligent low-speed machine and phase place are measured has following two kinds: one, adopt the simple multimeter equipment such as oscillograph to carry out manual measurement; Two, utilize the operation monitoring software that low-speed machine carries to monitor the partial parameters in low-speed machine operational process.
The first is utilized oscillographic measuring method, can only obtain the driving voltage waveform of automatically controlled actuator.Because the angular phase benchmark of intelligent low-speed machine adopts absolute value encoder, and adopt based on SSI(Server Side Include) the differential lines transmission of angle Value Data of interface, the universal measurement equipment such as oscillograph are helpless to this, cannot obtain action moment and the angular phase of automatically controlled actuator, therefore cannot realize automatic measurement, not only measure inefficiency, and cannot obtain abundant test figure.
The method that the second utilizes monitoring software that low-speed machine carries to measure, because the major function of its monitoring software is the running status of monitoring marine low-speed main frame, be subject to the purposes of its versatility and the impact of bus network communication speed, the data that provide are one section of mean value in the working time, cannot provide and record in detail action moment and the angular phase information of the each automatically controlled actuator of each working cycle, cannot record and show the concrete adjustment process of control system in diesel engine variable working condition process, cannot provide detailed test figure for analysis and Control system control strategy.
Therefore, those skilled in the art is devoted to develop the measurement mechanism of the automatically controlled actuator of a kind of intelligent low-speed machine, and test record is analyzed required Group test data for control system control strategy automatically.
Utility model content
Because the above-mentioned defect of prior art, technical problem to be solved in the utility model is to provide actuation time and the phase measurement device of the automatically controlled actuator of a kind of intelligent low-speed machine, can automatically measure and accurately obtain action moment, duration and phase place in the automatically controlled actuator course of work of each working cycle of diesel engine, fuel injection amount, automatically controlled actuator driven waveform etc., carry out control strategy analysis for control system.
For achieving the above object, the utility model provides actuation time and the phase measurement device of the automatically controlled actuator of a kind of intelligent low-speed machine, comprises test figure real-time storage module, the real-time display module of test figure, historical test data condition query module, test figure Drawing of Curve module, Hall element and data recorder; Hall element is connected with data recorder by signal wire; Data recorder is connected with test figure real-time storage module by CAN bus communication network.
Further, this device also comprises that data collecting card, electromagnetic valve driving current waveform display module and rail pressure regulate test module.
The data collecting card of the USB interface that preferably, data collecting card is input ± 60V direct current signal.
Further, data collecting card comprises the first data collecting card, and the first data collecting card is connected with electromagnetic valve driving current waveform display module by signal wire.
Further, data collecting card also comprises the second data collecting card, and the second data collecting card regulates test module to be connected by signal wire and rail pressure.
Further, test figure real-time storage module, the real-time display module of test figure, historical test data condition query module, test figure Drawing of Curve module, electromagnetic valve driving current waveform display module, rail pressure regulate test module to connect respectively CAN bus communication network by signal wire.
Further, the number of Hall element is at least one, and Hall element does not contact with automatically controlled actuator.
Further, automatically controlled actuator comprises fuel injector, air starting valve and public air starting valve.
Further, data recorder comprises microcontroller, and microcontroller has high-speed synchronous serial port and differential level signaling conversion circuit.
In preferred embodiments of the present utility model, actuation time and the phase measurement device of the automatically controlled actuator of intelligent low-speed machine, comprise that test figure real-time storage module, the real-time display module of test figure, historical test data condition query module, test figure Drawing of Curve module, electromagnetic valve driving current waveform display module, rail pressure regulate test module, Hall element, data recorder and data collecting card.Hall element is connected with data recorder by signal wire; Data recorder is connected with test figure real-time storage module by CAN bus communication network.The data collecting card of the USB interface that data collecting card is input ± 60V direct current signal.Data collecting card comprises the first data collecting card and the second data collecting card, and the first data collecting card is connected with electromagnetic valve driving current waveform display module by signal wire, and the second data collecting card regulates test module to be connected by signal wire and rail pressure.Test figure real-time storage module, the real-time display module of test figure, historical test data condition query module, test figure Drawing of Curve module, electromagnetic valve driving current waveform display module, rail pressure regulate test module to connect respectively CAN bus communication network by signal wire.
The utlity model has following beneficial effect:
1, the utility model can record action moment and the angular phase of the each automatically controlled actuator of each working cycle in detail, can read in the angular phase that absolute value encoder characterizes, by the data of record and at that time engine floor data and associate for the sensor information data of revising, be recorded in the lump in database; Can carry out the automatic combined analysis of the identical working condition tests data of different time, different location acquisition; Analyze required Group test data for realizing automatic test record for control system control strategy.In addition, can observe driving voltage waveform, the drive current waveform of automatically controlled actuator, by control signal and form associated be presented at same view window in of controlled device data while with curve.
2, the utility model uses high-speed synchronous serial port and the differential level signaling conversion circuit of microcontroller, can realize reading and decoding work of angular phase that the absolute value encoder of intelligent marine low-speed machine uniqueness characterizes.
3, the utility model adopts CAN bus network transmission test data, has reduced the complexity of measuring system line; Adopt CCP agreement to carry out communication, be conducive to host computer to the required test figure of the moving request of the next owner.
4, the utility model uses the non-contact sensors such as Hall element to be connected with automatically controlled actuator noncontact in a large number, very little on control system course of work impact or do not affect under the condition of the normal operation of diesel engine, obtain the information such as actuating signal of automatically controlled actuator.
5, the utility model can be realized automatic measurement and accurately obtain action moment, duration and phase place in the automatically controlled actuator course of work of each working cycle of diesel engine, fuel injection amount, automatically controlled actuator driven waveform etc., can be by database analysis and arrangement test figure easily.
6, the test figure that the utility model usage data library management test obtains, can define different querying condition query history test figures easily, automatically merges the test figure under identical operating mode.
7, the utility model can associatedly show if rail pressure curve, rail pressure conditioning signal curve are so that analysis and Control system work process.
8, the utility model line is few, and assembly volume is little, lightweight, is applicable to the portable type measuring of real ship environment.
Below with reference to accompanying drawing, the technique effect of design of the present utility model, concrete structure and generation is described further, to understand fully the purpose of this utility model, feature and effect.
Brief description of the drawings
Fig. 1 is actuation time of the automatically controlled actuator of intelligent low-speed machine of a preferred embodiment of the present utility model and the schematic diagram of phase measurement device.
Embodiment
As shown in Figure 1, actuation time and the phase measurement device of the automatically controlled actuator of a kind of intelligent low-speed machine, comprise host computer, slave computer, data collecting card and CAN bus communication network.Host computer is computing machine.Slave computer comprises Hall element 1 and data recorder 2, and Hall element 1 is connected with data recorder 2 by signal wire; Data recorder 2 connects host computer by CAN bus communication network.Data collecting card is connected to host computer by signal wire.
The Hall element 1 of slave computer is non-contact sensor, can be used for the test figure that the action moment of the automatically controlled actuator 3 of non-contact capture in each working cycle process, opening angle phase place, closing angle phase place, action continue angle, duration, and by above-mentioned action moment, opening angle phase place, closing angle phase place, action continue the test figure of angle, duration and at that time engine floor data, transmit by signal wire for the sensor information data revised etc. and be recorded in data recorder.Hall element of the present utility model can be realized under the very little condition of the course of work impact on control system and obtain information needed.
The data recorder 2 of slave computer comprises microcontroller and footmark signal decoding module.In microcontroller, be provided with high-speed synchronous serial port and differential level signaling conversion circuit, high-speed synchronous serial port carries out the reading and parsing work of angular phase of absolute value encoder sign to being recorded in test figure in data recorder, and test figure is carried out to computational analysis, be organized into CAN message.Footmark signal decoding module is obtained footmark signal as time reference, ensures that the actuating signal of the automatically controlled actuator of Hall element acquisition is synchronizeed with in footmark signal time and phase place.
Thus, the utility model realizes by Hall element 1 and data recorder 2 action moment and the angular phase of obtaining the each automatically controlled actuator of each working cycle, can read in the angular phase that absolute value encoder characterizes, by the data of record and at that time engine floor data and associate for the sensor information data of revising, be recorded in the lump in database; Carry out the automatic combined analysis of the identical working condition tests data of different time, different location acquisition; Analyze required Group test data for realizing automatic test record for control system control strategy.The floor data of above-mentioned motivation and for the prior art that is retrieved as intelligent low-speed machine of the sensor information data revised, does not repeat them here.
Further, data recorder 2 is connected to host computer (as PC) by the test figure of CAN message format by CAN bus communication network.The application of CAN bus, can be at a high speed transmission test data reduce pilot system line effectively.In addition, CAN bus adopts CCP agreement to carry out communication, is beneficial to the test figure that host computer is initiatively concerned about to slave computer request.Wherein, CAN(Controller Area Network) refer to controller local area network; CCP(CAN Calibration Protocol) be a kind of ECU(Electronic Control Unit based on CAN bus) demarcation agreement.
Data collecting card comprises the first data collecting card 4 and the second data collecting card 5.Wherein, the first data collecting card 4 is connected 6, the second data collecting cards 5 and is connected 7 by signal wire and rail pressure adjusting test module with electromagnetic valve driving current waveform display module by signal wire.
In host computer, be provided with test figure real-time storage module 8, the real-time display module 9 of test figure, historical test data condition query module 10, test figure Drawing of Curve module 11, electromagnetic valve driving current waveform display module 6, rail pressure adjusting test module 7.Test figure real-time storage module 8, the real-time display module 9 of test figure, historical test data condition query module 10, test figure Drawing of Curve module 11, electromagnetic valve driving current waveform display module 6, rail pressure regulate test module 7 to connect respectively CAN bus communication network by signal wire.
Test figure real-time storage module 8 is opening angle, closing angle, fuel injection duration degree, the injection duration at each fuel injector of each working cycle for real-time storage diesel engine (comprising 27 fuel injectors of 9 cylinder, 9 air starting valves, 2 public air starting valves); The opening angle of each vent valve, closing angle, exhaust duration degree, exhaust duration; The opening angle of each air starting valve, closing angle, inflation continue angle, inflation duration; The semaphore size (adopting 3 points) of the first fuel pump variable valve control signal, the semaphore size (adopting 3 points) of the second fuel pump variable valve control signal, the signal dutyfactor of the first servo oil pump variable valve control signal, the signal dutyfactor of the second servo oil pump variable valve control signal, the dutycycle of the 3rd servo oil pump variable valve control signal; The admission pressure of this working cycle (two-way backup), carriage clock semaphore size, fuel oil rail pressure, servo oily rail pressure, diesel engine mean speed, the distributive value of every cylinder, barring gear depart from characterization signal; The current time of this working cycle.Above data are uploaded to host computer by CAN bus after having been calculated by the data recorder of slave computer, and host computer is stored above data to facilitate the inquiry of historical data in groups by each working cycle.Slave computer, starting to transmit before the related data of next working cycle, sends new working cycle data to host computer and starts the trigger pip of transmitting; Test figure deposits in ACCESS database software.
The real-time display module 9 of test figure is for showing all data of data real-time storage module 8 storage, and data show every 30 seconds to be upgraded once, shows the circulate burst data of a front upper working cycle of diesel engine work at present.Because the data that software interface will show are more, can show by split screen, between each split screen, realize easily screens switch.
Historical test data condition query module 10 is for by test period section data query, can be by rotating speed and two condition query of distributive value size, or by rail pressure with spray and continue two condition queries of angle.Query Result is the burst data of a complete working cycle, according to time sequence.
The Group test data group that test figure Drawing of Curve module 11 inquires by test period section for basis, taking test period as horizontal ordinate, draw respectively or simultaneously rotation speed change curve, rail pressure change curve, the rail pressure control signal intensity curve of any cylinder (can select cylinder number), injection advance angle change curve, distributive value change curve, exhaust valve opening angle change curve, exhaust valve closure angle change curve, intake air temperature change curve, admission pressure change curve.
Electromagnetic valve driving current waveform display module 6 for show from the first data collecting card 4(16 road) electric actuator 13 drive current test figures, this test figure comprises the drive current waveform on the control solenoid valve (totally 6) of 3 fuel injectors of diesel engine the first cylinder, 1 air starting valve, 2 public air starting valves, 2 vent valve control solenoid valve Gong11 roads, between each road, can conveniently switch.Can become static demonstration to the interested waveform of user, and the related data of storing this waveform.The first data collecting card is the multifunctional data acquiring equipment of NI-USB series, and electromagnetic valve driving current waveform display module connects the first data collecting card by USB transmission signal line.
Rail pressure regulate test module 7 for show from the second data collecting card 5(16 road) fuel oil rail pressure 14 and the adjusting test figure of servo oil pressure 15, and draw rail pressure change curve, rail pressure conditioning signal change curve taking the time as unit, can become static demonstration to the interested waveform of user, and with the related data of this waveform of stored in file format.The second data collecting card is the multifunctional data acquiring equipment of NI-USB series, and rail pressure regulates test module to connect the second data collecting card by USB transmission signal line.
The data collecting card of the USB interface that the first data collecting card 4 and the second data collecting card 5 are can input ± 60V direct current signal, for the collection of electromagnetic valve driving current signal or drive voltage signal, and fuel oil rail pressure signal, fuel oil rail pressure regulate control signal, servo oily rail pressure signal, servo oily rail pressure to regulate the collection of control signal.
Visible, the utility model can record action moment and the angular phase of the each automatically controlled actuator of each working cycle in detail, can read in the angular phase that absolute value encoder characterizes, by the data of record and at that time engine floor data and associate for the sensor information data of revising, be recorded in the lump in database; Can carry out the automatic combined analysis of the identical working condition tests data of different time, different location acquisition; Analyze required Group test data for realizing automatic test record for control system control strategy.In addition, can observe driving voltage waveform, the drive current waveform of automatically controlled actuator, by control signal and form associated be presented at same view window in of controlled device data while with curve.
In addition, the utility model can be realized automatic measurement and accurately obtain action moment, duration and phase place in the automatically controlled actuator course of work of each working cycle of diesel engine, fuel injection amount, automatically controlled actuator driven waveform etc., can be by database analysis and arrangement test figure easily.Further, the test figure that the utility model obtains by usage data library management test, can define different querying condition query history test figures easily, automatically merges the test figure under identical operating mode.The utility model can also associatedly show if rail pressure curve, rail pressure conditioning signal curve are so that analysis and Control system work process.
The utility model line is few, and assembly volume is little, lightweight, is applicable to 5～9 Measurement and analysis of cylinder low-speed diesel engine intelligent control system and the portable type measuring of real ship environment.
More than describe preferred embodiment of the present utility model in detail.The ordinary skill that should be appreciated that this area just can be made many modifications and variations according to design of the present utility model without creative work.Therefore, all technician in the art comply with design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should be in by the determined protection domain of claims.
Claims (9)
1. actuation time and the phase measurement device of the automatically controlled actuator of intelligent low-speed machine, it is characterized in that, comprise test figure real-time storage module, the real-time display module of test figure, historical test data condition query module, test figure Drawing of Curve module, Hall element and data recorder;
Described Hall element is connected with data recorder by signal wire;
Described data recorder is connected with test figure real-time storage module by CAN bus communication network.
2. actuation time and the phase measurement device of the automatically controlled actuator of intelligent low-speed machine as claimed in claim 1, wherein, also comprises that data collecting card, electromagnetic valve driving current waveform display module and rail pressure regulate test module.
3. actuation time and the phase measurement device of the automatically controlled actuator of intelligent low-speed machine as claimed in claim 2, wherein, the data collecting card of the USB interface that described data collecting card is input ± 60V direct current signal.
4. actuation time and the phase measurement device of the automatically controlled actuator of intelligent low-speed machine as claimed in claim 2, wherein, described data collecting card comprises the first data collecting card, and described the first data collecting card is connected with described electromagnetic valve driving current waveform display module by signal wire.
5. actuation time and the phase measurement device of the automatically controlled actuator of intelligent low-speed machine as claimed in claim 4, wherein, described data collecting card also comprises the second data collecting card, and described the second data collecting card regulates test module to be connected by signal wire and described rail pressure.
6. actuation time and the phase measurement device of the automatically controlled actuator of intelligent low-speed machine as claimed in claim 2, wherein, described test figure real-time storage module, the real-time display module of described test figure, described historical test data condition query module, described test figure Drawing of Curve module, described electromagnetic valve driving current waveform display module, described rail pressure regulate test module to connect respectively described CAN bus communication network by signal wire.
7. actuation time and the phase measurement device of the automatically controlled actuator of intelligent low-speed machine as described in claim 1 to 6 any one, wherein, the number of described Hall element is at least one, and described Hall element does not contact with automatically controlled actuator.
8. actuation time and the phase measurement device of the automatically controlled actuator of intelligent low-speed machine as claimed in claim 7, wherein, described automatically controlled actuator comprises fuel injector, air starting valve and public air starting valve.
9. actuation time and the phase measurement device of the automatically controlled actuator of intelligent low-speed machine as described in claim 1 to 6 any one, wherein, described data recorder comprises microcontroller, and described microcontroller has high-speed synchronous serial port and differential level signaling conversion circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320625231.2U CN203745002U (en) | 2012-12-04 | 2013-10-10 | Intelligent device for measuring operation time and phase of electric control actuator of low-speed machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201220659861 | 2012-12-04 | ||
| CN201220659861.7 | 2012-12-04 | ||
| CN201320625231.2U CN203745002U (en) | 2012-12-04 | 2013-10-10 | Intelligent device for measuring operation time and phase of electric control actuator of low-speed machine |
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| CN203745002U true CN203745002U (en) | 2014-07-30 |
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| CN201310470356.7A Active CN103512617B (en) | 2012-12-04 | 2013-10-10 | The opening time of intelligent low speed machine electric actuator and phase measurement system |
| CN201320625231.2U Expired - Fee Related CN203745002U (en) | 2012-12-04 | 2013-10-10 | Intelligent device for measuring operation time and phase of electric control actuator of low-speed machine |
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| CN201310470356.7A Active CN103512617B (en) | 2012-12-04 | 2013-10-10 | The opening time of intelligent low speed machine electric actuator and phase measurement system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104653306A (en) * | 2014-12-05 | 2015-05-27 | 中油中泰燃气投资集团有限公司 | CAN bus based dual-fuel ship distributed monitoring system |
| CN105425609B (en) * | 2015-11-09 | 2019-05-31 | 沪东重机有限公司 | The automatically controlled hardware-in―the-loop test system of low-speed diesel engine |
| CN112630634B (en) * | 2020-11-13 | 2023-03-03 | 深圳供电局有限公司 | Switching operation characteristic measuring device and method |
| CN113588270B (en) * | 2021-06-18 | 2024-04-16 | 东风汽车集团股份有限公司 | Method and device for detecting turbocharging electric control actuator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6717541B1 (en) * | 2002-04-29 | 2004-04-06 | Iowa State University Research Foundation, Inc. | Fast low cost multiple sensor readout system |
| CN201034050Y (en) * | 2007-04-20 | 2008-03-12 | 哈尔滨工程大学 | Electrical controlled spraying controlling equipment for gas engine |
| CN201180582Y (en) * | 2008-04-11 | 2009-01-14 | 东莞市力宇燃气动力有限公司 | Gas engine modified by diesel engine |
| CN101634251A (en) * | 2009-04-24 | 2010-01-27 | 天津大学 | Internal combustion engine electronic control developing system based on industrial personnel computer |
| CN101739026B (en) * | 2009-12-18 | 2014-05-14 | 浙江吉利汽车研究院有限公司 | Test system of hybrid electric vehicle |
| CN201650536U (en) * | 2010-02-11 | 2010-11-24 | 北京经纬恒润科技有限公司 | Simulating test board of engine oil pump |
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2013
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| CN103512617B (en) | 2016-06-08 |
| CN103512617A (en) | 2014-01-15 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20181010 |