CN102226833A - Portable aerogenerator life detector - Google Patents
Portable aerogenerator life detector Download PDFInfo
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- CN102226833A CN102226833A CN2011100885942A CN201110088594A CN102226833A CN 102226833 A CN102226833 A CN 102226833A CN 2011100885942 A CN2011100885942 A CN 2011100885942A CN 201110088594 A CN201110088594 A CN 201110088594A CN 102226833 A CN102226833 A CN 102226833A
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Abstract
A portable aerogenerator life detector comprises a core microprocessor system, a sensor system which is connected with the core microprocessor system, an A/D converting system, a large capacity storage system, a power supply system and a display and alarm system. The power supply system is directly connected with the core microprocessor system. Some digital transducers in the sensor system are directly connected with the core microprocessor system, and other analog sensors are indirectly connected with the core microprocessor system through the A/D converting system. The large capacity storage system, which is the main storage medium of the portable aerogenerator life detector, is only connected with the core microprocessor system. The display and alarm system, which is the important output equipment, realizes a unidirectional connection with the core microprocessor system and can real-timely display or alarm a life detection result. By using the invention, real-time operation state of the aerogenerator can be conveniently and fast monitored, and life trend of the aerogenerator can be predicted so that effective disposal measures can be timely performed.
Description
Technical field: the present invention relates to a kind of detector, relate in particular to a kind of can under the aerogenerator duty, the detection in real time to it, directly monitor aerogenerator major parameter situation of change, and, belong to air equipment detection technique field to the portable aerogenerator service life tester that its life-span is carried out the rationality assessment.
Background technology: aerogenerator is as one of important airborne equipment on the aircraft, and the real-time monitoring and the accurate prediction in serviceable life of its duty become the emphasis that scientific research is paid close attention to.Development along with China's aviation field science and technology is advanced by leaps and bounds ensures the aircraft flight time, improves the flight safety performance and becomes one of focal issue.And can guarantee the safe operation of aircraft electrical power supply system, thereby provide safeguard for the safe flight of aircraft to the research of aircraft generator life prediction.
Existing both at home and abroad some researchs at the generator life prediction, but these researchs are primarily aimed at the generator expansion of other types such as hydrogenerator, and also be in the starting stage for the research of aerogenerator life prediction, and the coherent detection product that does not have this technical field, existing in addition research method is more single, and limitation is very big.When life prediction is studied to aerogenerator, because the characteristics such as expensive of aeronautical product itself, therefore how the aerogenerator life prediction exists difficult points such as time, test figure amount and multimode, and precise and high efficiency detects and realize that instrumentation detects the aircraft generator life-span and become of aviation field and be badly in need of solving and significant research topic.
At present, domestic existing generator checkout equipment generally is bulky testing table, and function singleness, can only detect in the development test at generator, can't realize that aircraft loads the real-time detection under the service condition.Simultaneously, existing generator checkout equipment is generally at alternator for vehicle and part civil aviation generator, and whether only can detect the aircraft generator parameter qualified, can not carry out qualitative analysis and monitoring to the life-span of aircraft.
Summary of the invention:, the invention provides a kind of portable aerogenerator service life tester at above-mentioned the deficiencies in the prior art.
For achieving the above object, the technical solution used in the present invention is: portable aerogenerator service life tester comprises core microprocessors system and the sensing system, A/D A/D conversion system, mass-storage system, electric power system, demonstration and the warning system that are connected with the core microprocessors system.Electric power system directly links to each other with the core microprocessors system, guarantees the operate as normal of system; The part digital transducer directly links to each other with the core microprocessors system in the sensing system, other analog sensors are connected with the core microprocessors system indirectly by the A/D A/D conversion system, send all monitor signals that collect to the core microprocessors system and handle; Mass-storage system only links to each other with the core microprocessors system as the main storage medium of portable aerogenerator service life tester, realizes that bi-directional data stores and calling function; Show with warning system and realize being connected, promptly show in real time or warning life tests result with the unidirectional of core microprocessors system as important output device.
The core microprocessors system that system comprised mainly finishes the control of detector main functionality, and effectively connect other backup systems, the data of sensing system collection are read in through the A/D A/D conversion system, after built-in function, be sent to by I/O and show and to show in real time with warning system and life prediction is reported to the police, coordinate aerogenerator service life tester overall work mechanism.
Described sensing system mainly contains multiple different classes of sensor to be formed, and it is the main composition system of part of data acquisition, finishes the acquisition tasks to generator different parts different parameters data.Different according to aerogenerator model and classification, used sensor can be adjusted, and general parameter of gathering comprises voltage, electric current, temperature and pressure etc.
Described A/D A/D conversion system mainly is converted to digital quantity with the analog quantity that collects, system adopts A/D change-over circuit commonly used, analog signalses such as the voltage of sensor-based system collection, electric current are carried out analog to digital conversion, so that reach the requirement of core microprocessors to the input data, and, reach adopting data are carried out pretreated purpose in conjunction with engineering reality.
Described mass-storage system provides the data storing space for the aerogenerator service life tester, compared to general memory, mass-storage system has non-volatility and big characteristics such as memory capacity, and storage system can be preserved as archives material, so just can efficient quick carry out data management and application, and satisfy requirement of engineering fully.
Described aerogenerator service life tester electric power system provides the electric power support for it.Normal power supply system commonly used on the aircraft is 115V, 400HZ AC system and 28V straight-flow system, and the required operating voltage of service life tester is a low-voltage DC, the magnitude of voltage conversion is integrated into the normal working voltage of aerogenerator service life tester by the electric power system of detector.Simultaneously, when aircraft electrical power supply system breaks down cisco unity malfunction, start the work that reserve cell is supported detector.Electric power system is the basis that guarantees the detector operate as normal.
Described demonstration and warning system are the main output systems of aerogenerator service life tester, testing result is shown in real time, and precarious position is reported to the police.The maximum purposes of aerogenerator service life tester is the aerogenerator under in running order is carried out life tests, and timely detection feedback result, so the demonstration output and the warning system of system are essential.The present invention adopts advanced liquid crystal display and sounding alarm device, every detected parameters that can show aerogenerator clearly, and the generator life-span after will predicting feeds back to the pilot timely, and the malfunction and the abnormal conditions that may occur are made warning, so that take Disposal Measures timely.
Beneficial effect of the present invention is conveniently to monitor the aerogenerator real-time running state, and its life-span trend is made prediction, so that in time take effective Disposal Measures.Portable aerogenerator service life tester can be used as standing airborne equipment and is provided on the aircraft, and has disposed mass-memory unit the data of testing process are stored, and makes things convenient for the foundation of expert knowledge library.Simultaneously, the sensor-based system on the detector can be gathered the multiple parameter of aerogenerator comprehensively, and carries out deep analysis and then predicted the outcome by the algorithm support of inside, and parameter and technical indicator can satisfy engineering and test request fully.
Description of drawings:
Fig. 1 is a principle of work block diagram of the present invention.
Fig. 2 is the online life tests signal of an aerogenerator connection layout.
Fig. 3 is an aerogenerator off-line life tests signal connection layout.
Fig. 4 is the sensing system synoptic diagram.
Embodiment: principle of work of the present invention the present invention includes core microprocessors system, sensing system, A/D A/D conversion system, mass-storage system, electric power system, demonstration and warning system as shown in Figure 1.Gather multiple monitoring parameter data by sensing system, and send to the core microprocessors system by transmission medium and handle, the analog supplemental characteristic of gathering also need be changed through the A/D A/D conversion system, the power supply that the core microprocessors system relies on electric power system to provide keeps operate as normal, real-time monitoring parameter data by the transmission of analyte sensors system, draw institute's monitoring aerogenerator state variation tendency, predict its residual life, when depositing the data of being obtained in mass-storage system, the residual life value of monitoring parameter data and prediction is shown in real time by showing with warning system, and abnormality and aerogenerator will soon be reported to the police to the situation in longevity.
Signal of the present invention connects signal as shown in Figures 2 and 3.Fig. 2 and Fig. 3 have represented respectively that aerogenerator is online and have been connected signal with off-line life tests signal.Wherein: the online life tests of aerogenerator, it is the life tests that aerogenerator is in the work running status, this moment, portable aerogenerator service life tester was installed aboard, gather the life parameter data of aerogenerator in real time and it is carried out life prediction, life prediction and analysis result are presented on the aircraft cockpit display screen in real time, so that the pilot makes corresponding operation; And aerogenerator off-line life tests is by aerogenerator durability test platform its life-span to be predicted, provides life prediction and analysis result, goes out the report of aerogenerator life tests by printer prints.
Sensing system synoptic diagram of the present invention as shown in Figure 4.Determine the sensing system composition according to actual engineering demand, mainly comprise pressure transducer, temperature sensor, voltage sensor etc.Wherein the pressure and temperature signal that collects by digital sensor etc. can directly send the core microprocessors system to and carries out operations such as data processing, and simulating signals such as voltage need send the core microprocessors system to through the conversion of signals of A/D A/D conversion system.
In the present embodiment, aerogenerator service life tester system chart as shown in Figure 1.Wherein:
Detector provides operate as normal down at the electric power of electric power system.And when the normal power supply system of aircraft was in abnormality, the accumulator in the detector electric power system started, and guaranteed the operate as normal of aerogenerator service life tester.
Sensing system is placed on place, the important collection point of aerogenerator, detects the situation of change of multiple parameter in real time.Simultaneously, each sensor directly or indirectly links to each other with the core microprocessors system, with data back.Present embodiment adopts voltage, temperature and pressure sensor, output voltage, inlet temperature, outlet temperature and oiling pressure to aerogenerator detect, wherein need carry out voltage transitions by the A/D A/D conversion system, and the temperature and pressure sensor can link to each other with the core microprocessing systems directly to the detection of voltage.After receiving the detection data that sensing system passes back, disposal system by internal processes to data store, algorithm process and relatively wait sequence of operations, data are stored in the attached mass-storage system by bus, and the aerogenerator life-span is predicted by the inner setting algorithm, and compare with setting threshold, to detect and predict the outcome be promptly shown and warning system output by output device, and abnormality is reported to the police.
For the detection in aerogenerator life-span, judge by the major parameter oiling pressure in its life-span of reflection and the situation of change of other parameters, roughly be divided into two states:
State one:
Sensor system senses to generator output voltage be in the normal voltage scope, inlet temperature and outlet temperature satisfy technical requirement, oiling pressure size reasonable, can draw every technical indicator by testing result all is within rated range, this moment, aerogenerator was in normal operating conditions, aerogenerator can satisfy the flight requirement serviceable life, and aircraft is in the safe flight state.
State two:
The testing result of each major parameter is unusual, the oiling force value is lower than the secure threshold of setting, this moment the aerogenerator operation irregularity, the aviation power supply deficiency, and dope aerogenerator by the variation tendency of oiling pressure and reached limit maximum service life (MSL), can not guarantee the aerial mission of aircraft, aircraft is in the hole, service life tester sends warning, reminds the pilot in time to dispose and the maintenance process of making a return voyage.
Claims (2)
1. portable aerogenerator service life tester comprises core microprocessors system and the sensing system, A/D A/D conversion system, mass-storage system, electric power system, demonstration and the warning system that are connected with the core microprocessors system; Electric power system directly links to each other with the core microprocessors system, the part digital transducer directly links to each other with the core microprocessors system in the sensing system, other analog sensors are connected with the core microprocessors system indirectly by the A/D A/D conversion system, mass-storage system only links to each other with the core microprocessors system as the main storage medium of portable aerogenerator service life tester,, show with warning system and realize being connected with the unidirectional of core microprocessors system as important output device.
2. portable aerogenerator service life tester as claimed in claim 1, it is characterized in that: described sensing system comprises pressure transducer, temperature sensor and voltage sensor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100885942A CN102226833A (en) | 2011-04-10 | 2011-04-10 | Portable aerogenerator life detector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100885942A CN102226833A (en) | 2011-04-10 | 2011-04-10 | Portable aerogenerator life detector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116976151A (en) * | 2023-09-25 | 2023-10-31 | 天固信息安全系统(深圳)有限公司 | Hardware life detection method |
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| JPH0528338A (en) * | 1991-07-23 | 1993-02-05 | Toshiba Corp | Load controller |
| WO2002015458A2 (en) * | 2000-08-15 | 2002-02-21 | The Penn State Research Foundation | Discovering hidden damage in machinery and predicting remaining life |
| CN101087125A (en) * | 2007-06-25 | 2007-12-12 | 中国科学院电工研究所 | An electromotor drive system of electromotive motorcar with life prediction function |
| US20090096405A1 (en) * | 2007-10-15 | 2009-04-16 | General Electric Company | Method and system for remotely predicting the remaining life of an ac motor system |
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2011
- 2011-04-10 CN CN2011100885942A patent/CN102226833A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0528338A (en) * | 1991-07-23 | 1993-02-05 | Toshiba Corp | Load controller |
| WO2002015458A2 (en) * | 2000-08-15 | 2002-02-21 | The Penn State Research Foundation | Discovering hidden damage in machinery and predicting remaining life |
| CN101087125A (en) * | 2007-06-25 | 2007-12-12 | 中国科学院电工研究所 | An electromotor drive system of electromotive motorcar with life prediction function |
| US20090096405A1 (en) * | 2007-10-15 | 2009-04-16 | General Electric Company | Method and system for remotely predicting the remaining life of an ac motor system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116976151A (en) * | 2023-09-25 | 2023-10-31 | 天固信息安全系统(深圳)有限公司 | Hardware life detection method |
| CN116976151B (en) * | 2023-09-25 | 2023-12-26 | 天固信息安全系统(深圳)有限公司 | Hardware life detection method |
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Application publication date: 20111026 |