CN103592131A - Engine detection method, device and system - Google Patents
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- CN103592131A CN103592131A CN201310589352.0A CN201310589352A CN103592131A CN 103592131 A CN103592131 A CN 103592131A CN 201310589352 A CN201310589352 A CN 201310589352A CN 103592131 A CN103592131 A CN 103592131A
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- 238000012360 testing method Methods 0.000 claims description 57
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- 230000001105 regulatory effect Effects 0.000 claims description 7
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- 239000000446 fuel Substances 0.000 description 5
- 239000010687 lubricating oil Substances 0.000 description 5
- 238000010304 firing Methods 0.000 description 4
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- 238000004891 communication Methods 0.000 description 3
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Abstract
The invention discloses an engine detection method, device and system. The method includes the steps that a control order is called according to a detection request; the control order is used for adjusting the load of the engine to a target load; operation parameters of the engine are collected in real time; the operation parameters are recorded and a detection report is generated. With the engine detection method, device and system, the problems that when an engine is tested in the prior art, the control cost of the engine is high and errors are large are solved, and the effects that the engine can be accurately controlled when being detected, and cost in utilizing a processor is low are achieved.
Description
Technical field
The present invention relates to Engine Block Test field, in particular to a kind of engine detection method, Apparatus and system.
Background technology
In prior art, in order to meet manufacture claim, need complete all kinds of long examinations and test examination task, these testing requirementss operate manually, have larger difficulty, and manual operation error hidden danger strengthens.
For in prior art when the test engine to the height of controlling cost of engine, the large problem of slipping up, effective solution is not yet proposed at present.
Summary of the invention
For in correlation technique when the test engine to the height of controlling cost of engine, the large problem of slipping up, effective solution is not yet proposed at present, for this reason, fundamental purpose of the present invention is to provide a kind of engine detection method, Apparatus and system, to address the above problem.
To achieve these goals, according to an aspect of the present invention, provide a kind of engine detection method, the method comprises: according to detecting request, transfer steering order; Use steering order to regulate the targeted loads that is loaded to of engine; The operational factor of Real-time Collection engine; Record operational factor and generate detection form.
Further, according to detecting, ask the step of transferring steering order to comprise: according to the request that detects, to transfer the detected state in test run curve spectrum; By preset relation, read the target water outlet threshold values of the hydraulic dynamometer corresponding with detected state, wherein preset relation is default detected state and the corresponding relation between target water outlet threshold values; Obtain the steering order corresponding with target water outlet threshold values.
Further, use steering order to regulate the step that is loaded to targeted loads of engine to comprise: by steering order, to regulate the outlet valve position of hydraulic dynamometer, until the water outlet threshold values of hydraulic dynamometer reaches target water outlet threshold values; By target water outlet threshold values, regulating the load of engine is targeted loads.
Further, the step of obtaining the steering order corresponding with target water outlet threshold values comprises: from detect request, extract detection time; According to detection time and target water outlet threshold values determining steering order.
To achieve these goals, according to a further aspect in the invention, provide a kind of engine pick-up unit, this device comprises: transfer module, for transferring steering order according to detecting request; Adjustment module, for being used steering order to regulate the targeted loads that is loaded to of engine; Acquisition module, for the operational factor of Real-time Collection engine; Logging modle, generates detection form for recording operational factor.
Further, transfer module and comprise: state is transferred module, for transferring the detected state in test run curve spectrum according to the request that detects; Read module, for read the target water outlet threshold values of the hydraulic dynamometer corresponding with detected state by preset relation, wherein preset relation is default detected state and the corresponding relation between target water outlet threshold values; Instruction acquisition module, for obtaining the steering order corresponding with target water outlet threshold values.
Further, adjustment module comprises: water outlet threshold values control module, for regulate the outlet valve position of hydraulic dynamometer by steering order, until the water outlet threshold values of hydraulic dynamometer reaches target water outlet threshold values; Load regulation module is targeted loads for regulating the load of engine by target water outlet threshold values.
Further, instruction acquisition module comprises: extraction module, for extracting detection time from detecting request; Instruction determination module, for according to detection time and target water outlet threshold values determining steering order.
To achieve these goals, according to a further aspect in the invention, a kind of engine detecting system is provided, this system comprises: processor, for transferring steering order according to detecting request, and use steering order regulate engine be loaded to targeted loads after, the operational factor of Real-time Collection engine, and record operational factor and generate and detect form.
Further, engine detecting system also comprises: hydraulic dynamometer, be connected between processor and engine, for the water outlet threshold values of controlling outlet valve by steering order, to target water outlet threshold values, and by target water outlet threshold values, to regulate the load of engine be targeted loads.
Adopt the present invention, use processor to transfer steering order according to detecting request, and use steering order regulate engine be loaded to targeted loads after, the operational factor of Real-time Collection engine, and record operational factor generation and detect form, so just can be by changing the load of engine, electricity is adjusted and is experienced after the variation of load, adjust the corresponding fuel feed amount of engine, to reach a certain state of engine, use processor to control and do not need manual control, solved in prior art the height of controlling cost to engine when test engine, the large problem of slipping up, accurate control engine while having realized detection engine, and use processor cost low.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is according to the schematic diagram of the engine pick-up unit of the embodiment of the present invention; And
Fig. 2 is according to the process flow diagram of the engine detection method of the embodiment of the present invention.
Embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
According to a further aspect in the invention, a kind of engine detecting system is provided, this system can comprise: processor, for transferring steering order according to detecting request, and use steering order regulate engine be loaded to targeted loads after, the operational factor of Real-time Collection engine, and record operational factor generation and detect form.
Adopt the present invention, use processor to transfer steering order according to detecting request, and use steering order regulate engine be loaded to targeted loads after, the operational factor of Real-time Collection engine, and record operational factor generation and detect form, so just can be by changing the load of engine, electricity is adjusted and is experienced after the variation of load, adjust the corresponding fuel feed amount of engine, to reach a certain state of engine, use processor to control and do not need manual control, solved in prior art the height of controlling cost to engine when test engine, the large problem of slipping up, accurate control engine while having realized detection engine, and use processor cost low.
Further, engine detecting system also comprises: hydraulic dynamometer, be connected between processor and engine, for the water outlet threshold values of controlling outlet valve by steering order, to target water outlet threshold values, and by target water outlet threshold values, to regulate the load of engine be targeted loads.
Processor can be the core devices of data acquisition system (DAS), the parameter of communicating by letter between the controller of this processor and hydraulic dynamometer can comprise: engine output shaft rotating speed, moment of torsion, power, water intaking valve aperture that dynamometer is measured, outlet valve aperture, and the state of a control of dynamometer.
What particularly, the water outlet threshold values of hydraulic dynamometer showed is the aperture of outlet valve.The principle of work of hydraulic dynamometer is mechanical energy to be converted into the heat energy of water, under the certain condition of water intaking valve aperture, the aperture that strengthens or reduce outlet valve can reduce or increase the suction merit amount of dynamometer accordingly, adjust the load that the aperture of water valve can regulating and controlling adds to engine, and the aperture of outlet valve embodies by water outlet threshold values.
In the above embodiment of the present invention, can carry out communication and control by several extraction systems and hydraulic dynamometer control system, each trial condition definition of engine is converted to hydraulic dynamometer water outlet threshold values.Particularly, number extraction system pre-sets test run curve spectrum, before test run, pre-determine the corresponding relation of the water outlet threshold values of each detected state and hydraulic dynamometer in test run curve spectrum, automatically in composing by curve in test run, stipulate the duration of detected state and detection, to hydraulic dynamometer, send out the steering order of corresponding water valve value.More specifically, can be by VC++6.0 and the Development of Data Acquisition System computer aided test system based on vxi bus, by this system for the treatment of realizing the automatic test run to various type turboshaft engines in device.Wherein, test run curve spectrum is the condition curve of a cycle period intrinsic motivation.In processor, each trial condition of in store engine (being detected state) definition is converted to the preset relation of the water outlet threshold values of hydraulic dynamometer, the state of regulation and lasting time in automatic commissioning process Computer can be according to curve spectrum, to hydraulic dynamometer, send out the steering order (control model and controlling value) of corresponding controllers.
Fig. 1 is according to the schematic diagram of the engine pick-up unit of the embodiment of the present invention.As shown in Figure 1, this device can comprise: transfer module 10, for transferring steering order according to detecting request; Adjustment module 30, for being used steering order to regulate the targeted loads that is loaded to of engine; Acquisition module 50, for the operational factor of Real-time Collection engine; Logging modle 70, generates detection form for recording operational factor.
Adopt the present invention, use processor to transfer steering order according to detecting request, and use steering order regulate engine be loaded to targeted loads after, the operational factor of Real-time Collection engine, and record operational factor generation and detect form, so just can be by changing the load of engine, electricity is adjusted and is experienced after the variation of load, adjust the corresponding fuel feed amount of engine, to reach a certain state of engine, use processor to control and do not need manual control, solved in prior art the height of controlling cost to engine when test engine, the large problem of slipping up, accurate control engine while having realized detection engine, and use processor cost low.
Wherein, operational factor can comprise: whole status datas of engine (as: pressure, rotating speed, moment of torsion, temperature etc.), engine environmental data (as atmospheric environment etc.) and test bay are for the device status data (value of feedback of the bearing temperature of the data that dynamometer records (the output shaft rotating speed of engine, moment of torsion, power), dynamometer, dynamometer inlet/outlet valve aperture, various valve regulation etc.) of control engine.
Further, transferring module can comprise: state is transferred module, for transferring the detected state in test run curve spectrum according to the request that detects; Read module, for read the target water outlet threshold values of the hydraulic dynamometer corresponding with detected state by preset relation, wherein preset relation is default detected state and the corresponding relation between target water outlet threshold values; Instruction acquisition module, for obtaining the steering order corresponding with target water outlet threshold values.
In the above embodiment of the present invention, can carry out communication and control by several extraction systems and hydraulic dynamometer control system, each trial condition definition of engine is converted to hydraulic dynamometer water outlet threshold values.Particularly, number extraction system pre-sets test run curve spectrum, before test run, pre-determine the corresponding relation of the water outlet threshold values of each detected state and hydraulic dynamometer in test run curve spectrum, automatically in composing by curve in test run, stipulate the duration of detected state and detection, to hydraulic dynamometer, send out the steering order of corresponding water valve value.More specifically, can be by VC++6.0 and the Development of Data Acquisition System computer aided test system based on vxi bus, by this system for the treatment of realizing the automatic test run to various type turboshaft engines in device.
Further, adjustment module comprises: water outlet threshold values control module, for regulate the outlet valve position of hydraulic dynamometer by steering order, until the water outlet threshold values of hydraulic dynamometer reaches target water outlet threshold values; Load regulation module is targeted loads for regulating the load of engine by target water outlet threshold values.
Further, instruction acquisition module comprises: extraction module, for extracting detection time from detecting request; Instruction determination module, for according to detection time and target water outlet threshold values determining steering order.
By the above embodiment of the present invention, the operational factor by Real-time Collection engine can realize the automatic record to the detection data of engine, and generates test run record and detect form.Meanwhile, because the parameter of each detection request detection is different, detect the different parameter item that can record in form table.
After generating this detection form, can be according to the detection form of the different demand output different-format (as EXCEL) of user.And user can check and improve the firing test data playback function of (comprising operational factor and test run curve spectrum in above-described embodiment) at different time.And original ride is counted the playback function of extraction system and only can be checked test run curve spectrum, the operational factor that adopts the application the part-time section in commissioning process can be gathered derives, to meet data analysis calculation requirement.
In the above embodiment of the present invention, detected state can comprise: the automatic realization of acceleration and deceleration, transient state firing test data record and response time judgement; Lubricating oil inlet oil temperature is controlled and record; The different running status of engine such as the automatic replacing of performance calculating formula and corresponding bleed record during engine bleed.These information can be carried in the request of detection.
Fig. 2 is that the method comprises the steps: as shown in Figure 2 according to the process flow diagram of the engine detection method of the embodiment of the present invention
Step S102, transfers steering order according to detecting request.
Step S104, is used steering order to regulate the targeted loads that is loaded to of engine.
Step S106, the operational factor of Real-time Collection engine.
Step S108, records operational factor and generates detection form.
Adopt the present invention, use processor to transfer steering order according to detecting request, and use steering order regulate engine be loaded to targeted loads after, the operational factor of Real-time Collection engine, and record operational factor generation and detect form, so just can be by changing the load of engine, electricity is adjusted and is experienced after the variation of load, adjust the corresponding fuel feed amount of engine, to reach a certain state of engine, use processor to control and do not need manual control, solved in prior art the height of controlling cost to engine when test engine, the large problem of slipping up, accurate control engine while having realized detection engine, and use processor cost low.
Further, according to detecting, ask the step of transferring steering order to comprise: according to the request that detects, to transfer the detected state in test run curve spectrum; By preset relation, read the target water outlet threshold values of the hydraulic dynamometer corresponding with detected state, wherein preset relation is default detected state and the corresponding relation between target water outlet threshold values; Obtain the steering order corresponding with target water outlet threshold values.
In the above embodiment of the present invention, can carry out communication and control by several extraction systems and hydraulic dynamometer control system, each trial condition definition of engine is converted to hydraulic dynamometer water outlet threshold values.Particularly, number extraction system pre-sets test run curve spectrum, before test run, pre-determine the corresponding relation of the water outlet threshold values of each detected state and hydraulic dynamometer in test run curve spectrum, automatically in composing by curve in test run, stipulate the duration of detected state and detection, to hydraulic dynamometer, send out the steering order of corresponding water valve value.More specifically, can be by VC++6.0 and the Development of Data Acquisition System computer aided test system based on vxi bus, by this system for the treatment of realizing the automatic test run to various type turboshaft engines in device.
According to the abovementioned embodiments of the present invention, use steering order to regulate the step that is loaded to targeted loads of engine to comprise: by steering order, to regulate the outlet valve position of hydraulic dynamometer, until the water outlet threshold values of hydraulic dynamometer reaches target water outlet threshold values; By target water outlet threshold values, regulating the load of engine is targeted loads.
In the above embodiment of the present invention, the step of obtaining the steering order corresponding with target water outlet threshold values can comprise: from detect request, extract detection time; According to detection time and target water outlet threshold values determining steering order.
By the above embodiment of the present invention, the operational factor by Real-time Collection engine can realize the automatic record to the detection data of engine, and generates test run record and detect form.Meanwhile, because the parameter of each detection request detection is different, detect the different parameter item that can record in form table.
After generating this detection form, can be according to the detection form of the different demand output different-format (as EXCEL) of user.And user can check and improve the firing test data playback function of (comprising operational factor and test run curve spectrum in above-described embodiment) at different time.And original ride is counted the playback function of extraction system and only can be checked test run curve spectrum, the operational factor that adopts the application the part-time section in commissioning process can be gathered derives, to meet data analysis calculation requirement.
In the above embodiment of the present invention, detected state can comprise: the automatic realization of acceleration and deceleration, transient state firing test data record and response time judgement; Lubricating oil inlet oil temperature is controlled and record; The different running status of engine such as the automatic replacing of performance calculating formula and corresponding bleed record during engine bleed.These information can be carried in the request of detection.
According to the abovementioned embodiments of the present invention, can increase the long car curve spectrum of having a try, meet user can editting function simultaneously, and after test run is interrupted in testing process, can, according to test run conditional request, select the reference position of automatic test run etc.
Particularly, the parameter of examining due to long examination is T41, XNH, moment of torsion, in three, with any, first touch the mark and be as the criterion, and in test run three examination parameter which first reach, be subject to the impact of atmospheric conditions, therefore test run need to be carried out automatic decision to examination parameter automatically, and upgrades test run curve spectrum according to definite examination parameter, to meet the functional requirements such as acceleration and deceleration.And because examination parameter request is mean value, test run can the mean parameter of same state be calculated Presentation Function in the increase stage in real time automatically.
In the above embodiment of the present invention, the operational factor of Real-time Collection can comprise: controlling test and the measurement parameters such as the test of long examination lubricating oil low-voltage, lubricating oil high-potting, 115 ℃ of hot tests of lubricating oil inlet temperature, the measurement of commissioning process lube use rate, oil tank temperature survey, fuel oil high pressure.
It should be noted that, in the step shown in the process flow diagram of accompanying drawing, can in the computer system such as one group of computer executable instructions, carry out, and, although there is shown logical order in flow process, but in some cases, can carry out shown or described step with the order being different from herein.
From above description, can find out, the present invention has realized following technique effect: adopt the present invention, use processor to transfer steering order according to detecting request, and use steering order regulate engine be loaded to targeted loads after, the operational factor of Real-time Collection engine, and record operational factor generation and detect form, so just can be by changing the load of engine, electricity is adjusted and is experienced after the variation of load, adjust the corresponding fuel feed amount of engine, to reach a certain state of engine, use processor to control and do not need manual control, solved in prior art the height of controlling cost to engine when test engine, the large problem of slipping up, accurate control engine while having realized detection engine, and use processor cost low.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in memory storage and be carried out by calculation element, or they are made into respectively to each integrated circuit modules, or a plurality of modules in them or step are made into single integrated circuit module to be realized.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. an engine detection method, is characterized in that, comprising:
According to detecting request, transfer steering order;
Use described steering order to regulate the targeted loads that is loaded to of engine;
The operational factor of engine described in Real-time Collection;
Record described operational factor and generate detection form.
2. engine detection method according to claim 1, is characterized in that, according to detecting, asks the step of transferring steering order to comprise:
According to described detection request, transfer the detected state in test run curve spectrum;
By preset relation, read the target water outlet threshold values of the hydraulic dynamometer corresponding with described detected state, wherein preset relation is default detected state and the corresponding relation between described target water outlet threshold values;
Obtain the described steering order corresponding with described target water outlet threshold values.
3. engine detection method according to claim 2, is characterized in that, uses described steering order to regulate the step that is loaded to targeted loads of engine to comprise:
By described steering order, regulate the outlet valve position of described hydraulic dynamometer, until the water outlet threshold values of described hydraulic dynamometer reaches described target water outlet threshold values;
By described target water outlet threshold values, regulating the load of described engine is described targeted loads.
4. engine detection method according to claim 2, is characterized in that, the step of obtaining the described steering order corresponding with described target water outlet threshold values comprises:
From described detection request, extract detection time;
According to described detection time and described target water outlet threshold values determining described steering order.
5. an engine pick-up unit, is characterized in that, comprising:
Transfer module, for transferring steering order according to detecting request;
Adjustment module, for being used described steering order to regulate the targeted loads that is loaded to of engine;
Acquisition module, for the operational factor of engine described in Real-time Collection;
Logging modle, generates detection form for recording described operational factor.
6. engine pick-up unit according to claim 5, is characterized in that, described in transfer module and comprise:
State is transferred module, for transfer the detected state in test run curve spectrum according to described detection request;
Read module, for read the target water outlet threshold values of the hydraulic dynamometer corresponding with described detected state by preset relation, wherein preset relation is default detected state and the corresponding relation between described target water outlet threshold values;
Instruction acquisition module, for obtaining the described steering order corresponding with described target water outlet threshold values.
7. engine pick-up unit according to claim 6, is characterized in that, described adjustment module comprises:
Water outlet threshold values control module, for regulate the outlet valve position of described hydraulic dynamometer by described steering order, until the water outlet threshold values of described hydraulic dynamometer reaches described target water outlet threshold values;
Load regulation module is described targeted loads for regulating the load of described engine by described target water outlet threshold values.
8. engine pick-up unit according to claim 6, is characterized in that, described instruction acquisition module comprises:
Extraction module, for extracting detection time from described detection request;
Instruction determination module, for according to described detection time and described target water outlet threshold values determining described steering order.
9. an engine detecting system, is characterized in that, comprising:
Processor, for transferring steering order according to the request that detects, and use described steering order regulate engine be loaded to targeted loads after, the operational factor of engine described in Real-time Collection, and record described operational factor and generate and detect form.
10. engine detecting system according to claim 9, is characterized in that, described engine detecting system also comprises:
Hydraulic dynamometer, is connected between described processor and described engine, and for the water outlet threshold values of controlling outlet valve by described steering order, to target water outlet threshold values, and by described target water outlet threshold values, to regulate the load of described engine be described targeted loads.
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| CN104596769A (en) * | 2014-12-14 | 2015-05-06 | 中国航空工业集团公司北京长城计量测试技术研究所 | Real thrust measuring and calculating method for test run of aero-engine on indoor test bed |
| CN104596769B (en) * | 2014-12-14 | 2017-05-10 | 中国航空工业集团公司北京长城计量测试技术研究所 | Real thrust measuring and calculating method for test run of aero-engine on indoor test bed |
| CN106013322A (en) * | 2016-06-07 | 2016-10-12 | 中国南方航空工业(集团)有限公司 | Water supply system for high-speed hydraulic dynamometer and circulating water pressure control method |
| CN109632328A (en) * | 2019-01-21 | 2019-04-16 | 中国航发湖南动力机械研究所 | Turboshaft engine checkout facility device, system and method |
| CN109632328B (en) * | 2019-01-21 | 2021-05-18 | 中国航发湖南动力机械研究所 | Turboshaft engine inspection test device, system and method |
| CN111323156A (en) * | 2020-03-25 | 2020-06-23 | 中国船舶重工集团公司第七0三研究所 | Robust hydraulic dynamometer control method |
| CN111323156B (en) * | 2020-03-25 | 2021-08-06 | 中国船舶重工集团公司第七0三研究所 | Robust hydraulic dynamometer control method |
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Address after: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee after: China Hangfa South Industrial Co. Ltd. Address before: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee before: China Southern Airlines Industry (Group) Co., Ltd. |