CN101329225A - System for processing star load equipment life experimental data - Google Patents
System for processing star load equipment life experimental data Download PDFInfo
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- CN101329225A CN101329225A CNA200810041161XA CN200810041161A CN101329225A CN 101329225 A CN101329225 A CN 101329225A CN A200810041161X A CNA200810041161X A CN A200810041161XA CN 200810041161 A CN200810041161 A CN 200810041161A CN 101329225 A CN101329225 A CN 101329225A
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Abstract
The invention discloses a satellite-borne equipment service-life experimental data processing system, comprising a sensor group and a conditioning circuit which are used for measuring the service life test states, a digital multimeter used for data collecting, computer data processing software and remote wireless data transmission equipment. The sensor group and the conditioning circuit convert the measurement of experiment parameters into the measurement of electric signals; the digital multimeter carries out high-precision measurement of the electrical parameters output by a power supply and a sensor conditioning circuit for service life tests and transmits the collected data to the computer; the computer data processing software carries out the display, memorization and analysis of the collected data, draws the dynamic curves with changed parameters and realizes the memorization and printing functions of the parameter curves; the remote wireless transmission equipment is connected with the computer, realizes the remote timing transmission of the collected data, remote automatic alarming for the test failure or abnormity and the remote real-time data query for the testing personnel, receives the control instructions sent by the remote terminals simultaneously, and realizes the remote control of the turn-on/off of the system.
Description
Technical field
The invention belongs to the surveying instrument technical field, specifically be meant a kind of system for processing star load equipment life experimental data, it is used for long-distance remote control and data processing to the star load equipment life test.
Background technology
In many fields such as satellite borne equipment development and engineering system exploitations, in order to obtain reliability height, long, stable high application system of life-span, must carry out life experiment to the module device that is adopted, its performance is carried out comprehensive assessment.Till now, in the equipment life in many fields such as satellite borne equipment development and engineering system exploitation experimental evaluation system, also exist in a large number the experimenter on duty, write down the experimental state parameter on time, again data are poured into computing machine after experiment finishes and phenomenon such as analyze, this experimentation need manually be finished measurement, record and the data analysis of long-term and heavy experimental state parameter.Though perhaps some life experiment has been realized computer-automatic collection, but can not be data in real time, the experimenter is given in teletransmission reliably, the experimenter will understand the experiment situation, also must come to the experiment scene personally, and this in a word experimental system can not be left artificial participation all the time.Life experiment have measure that state parameter is many, DATA REASONING accuracy requirement height, the data recording amount is big, long-time continuous is moved characteristics.Tradition manual record and data analysis expend a large amount of manpower and materials, and the data acquisition amount is few, and fault or abnormal data analysis wait shortcoming slowly, have been difficult to adapt to the development need of life experiment.
Summary of the invention
The technical matters that the life experiment that the object of the present invention is to provide a kind of data handling system of star load equipment life experimental state parameter to solve a large amount of system equipments in the above-mentioned satellite borne equipment development exists.
System for processing star load equipment life experimental data of the present invention as shown in Figure 1, it comprises life experiment state parameter measured sensor group and modulate circuit 1, the digital multimeter 2 that data acquisition is used, open and close control module 3, computing machine and data processing software 4 and the remote data transmission equipment 5 of experimental system power supply.Whole life experimental data disposal system is placed on the stand for experiment, is independent of outside the test and appraisal equipment of life experiment, does not influence the duty of equipment.Sensor groups and modulate circuit 1 are converted to the measurement of life experiment pressure, displacement and state of temperature parameter the measurement of electric signal; 2 pairs of voltages of digital multimeter, electric current, resistance parameter carry out high-acruracy survey, and image data is sent to computing machine by the RS232 interface with computing machine; The open and close control module 3 of experimental system power supply is finished the open and close machine control of experimental system; 5 pairs of image data of computing machine and data processing software show, store and analyze, and by data analysis experimental state are made differentiation, the performance graph that rendering parameter changes, the preservation and the printing function of realization parametric line; Long distance wireless data transmission set 5 is connected with computing machine by USB RS 232 interface, the long-range timed sending of realization image data, experiment fault or unusual remote auto are reported to the police and experimenter's remote real-time data is inquired about and received, and the experimenter is by the remote monitoring of sending controling instruction realization experimental system.
The present invention has following advantage:
1. the system data measurement has advantages such as precision height (full accuracy reaches six and half), port number many (measuring passage for the highest configurable 200), measurement parameter kind many (voltage, electric current, resistance, thermal resistance thermometrics etc.) and measurement range are big, can pass through software arrangements measurement parameter and passage.
2. data processing software realizes that automatic survey measurements, automaticdata storage, the parameter of life experiment state parameter change the data analysis of Real-time and Dynamic curve display and auto state parameter, user interface close friend, and it is convenient to use; Easily allocating and measuring passage and parameter; Can realize the preservation and the printing of parameter change curve, the different measuring parametric line is realized Pagination Display; Can start and close the long distance wireless transmission equipment.
3. system selects for use the SMS service of mobile communications network to realize the long distance wireless transmission of image data, the network coverage is wide, transmission is reliable, need not increase receiving terminal apparatus, just can understand the experiment situation whenever and wherever possible as long as utilize mobile phone, the startup and shutdown of Control Experiment System need not be come to the experiment scene personally.
4. set up the perfect remote data distribution mechanisms of a cover, can realize that the different measuring parameter is distributed to different experimenters, can realize the timed sending of image data long distance wireless, fault or unusual Realtime Alerts and remote terminal (mobile phone) functions such as real-time inquiry again the experimental state parameter.
5. the portable and continuity development ability of system's tool can satisfy the integrated application demand of different life experiments.Can need not increase too many input on this basis and continue expansion measurement project, just can increase measurement point as increasing the measurement passage.
Description of drawings
Fig. 1 is that system for processing star load equipment life experimental data of the present invention constitutes synoptic diagram, and wherein 1 is the sensor groups and the modulate circuit of supply voltage, electric current, various state parameter (pressure, displacement, temperature etc.); The 2nd, the digital multimeter of data acquisition; The 3rd, the open and close control module of experimental system power supply; The 4th, the computer data process software; The 5th, remote data transmission equipment.
Fig. 2 is that system for processing star load equipment life experimental data of the present invention constitutes instance graph.
Fig. 3 is a system for processing star load equipment life experimental data data processing software runnable interface instance graph of the present invention.
Embodiment
Be example with the present invention in the practical application of spaceborne refrigeration machine life experiment below, the embodiment of 2 pairs of system for processing star load equipment life experimental data of the present invention elaborates in conjunction with the accompanying drawings:
The present invention includes the sensor groups of life experiment state measurement and modulate circuit 1, the digital multimeter 2 of data acquisition, open and close control module 3, computer data process software 4 and the remote data transmission equipment 5 (comprising SIM mobile phone card) of experimental system power supply.
The present invention selects the temperature sensor of platinum resistance (Pt100) as refrigeration machine cold head and shell for use, modulate circuit adopts the constant current source excitation, the temperature variant change in resistance of Pt100 is converted to the variation of temperature variant voltage, therefore, just can obtain temperature as long as measure the voltage of modulate circuit output, voltage and variation of temperature relation are carried out match by least square method, and the voltage that obtains being similar to and the relational expression of temperature are as follows.
T＝317.32883-59.26626V-29.60655V
2+30.93682V
3-14.89755V
4+3.42525V
5-0.29964V
6 (1)
The present invention selects for use this displacement transducer of differential transformer (LVDT) type displacement transducer to adopt the differential transformer principle design, differential transformer is the dynamo-electric conversion element of a kind of inductance type of transformer type, to be in the magnetic core displacement of alternating magnetic field, the mutual inductance that produces by movable magnetic core changes the electric signal that converts to substantially linear relation such as this displacement; According to the size and the polarity of output electric signal, the size and Orientation of corresponding measurement displacement or other mechanical quantity.Pressure transducer adopts miniature piezoresistive pressure sensor, and the principle of work of this sensor is a piezoresistive effect.The stressed effect of silicon foil gauge and produce distortion causes the resistance of foil gauge to change, and variable quantity is directly proportional with voltage to be measured.
The high accuracy number multimeter 2750 that the present invention selects Keithley company for use is as the collecting device of the output signal of the power measurement of refrigerator compressor and refrigeration machine state parameter survey sensor, DATA REASONING precision six and half, the 2750th, can match five tank systems switch main frames of high-performance multimeter, according to the actual needs apolegamy module card of measuring, the present invention selects 7702 passage capture cards for use, adopt RS232 to connect computing machine, realize long-range PC control.Native system computer data process software calls the equipment interface driver (2750 IVI Drive for VC++) that Keithley company provides by the RS232 interface to 2750 control program, and before this system of application, the interface that this equipment is installed drives.
It is controller that the open and close control module of experimental system power supply of the present invention adopts the AT89S51 single-chip microcomputer, finishes the reception and the execution of slave computer instruction, realizes that the host computer information of power supply open and close machine state transmits.Adopting the technical grade relay is switch block.
Data processing software of the present invention adopts Microsoft Visual C++6.0 developing instrument, and computing machine is a workbench, and operating system is Microsoft Windows XP SP2, and the data processing software runnable interface as shown in Figure 3.Can realize being provided with etc. of initialization, channel selecting and channel arrangement, remote transmission equipment of data acquisition equipment by software interface.Image data adopts list control to show on the interface, and each image data is the record acquisition time all, and image data is in time saved as text document, even accident power-off, data can not lost yet.Program adopts regularly function to realize gathering automatically, and acquisition time can freely be set at interval.
The mode that the change curve of data processing software state parameter of the present invention adopts VC to call the MSChart control realizes that different measurement parameters adopts TAB control Pagination Display.For the parameters needed curve, form that can picture is preserved, and also can realize the online printing of parameter change curve.
Remote transmission equipment of the present invention adopts the TC35i module of Siemens Company to design in conjunction with peripheral components, the TC35i communication module possesses the repertoire of gsm wireless communication, and the UART serial line interface of standard is provided, support the instruction of the defined AT Command Set of GSM07.05.Because the computing machine COM port is few, system adopts the mode of USB RS 232 interface to realize communicating to connect of remote transmission equipment and computing machine.SIM card (China Mobile) correctly is installed on the deck of remote transmission equipment, just can realizes having sent and received information by computer software.
The present invention is integrated into the transmission and the reception program of long distance wireless transmission equipment in the acquisition software, and sending and receiving information is presented on the interface automatically, adds and deletion transmission information number by software interface.Reasonable parameter data distribution mechanism that acquisition software is integrated; by the timed sending of timing function realization data, after acquisition software is to analysis of data collected, take place if find abnormal parameters or experiment fault; for example experimental system outage etc. is carried out long distance wireless and is reported to the police automatically.The information router can be realized the remote auto query function, and the experimenter uses mobile phone can send the current data message that collects of instruction inquiry whenever and wherever possible, understands the startup and shutdown of experimental state and Control Experiment System.Program receives Query Information instruction back and starts recognition subroutine, instruction that receives and phone number and the predefined authority that sends instruction are judged, have only the number of mandate and correct instruction, the automatic information of system's ability response parameter returns the execution with steering order.
Claims (2)
1. system for processing star load equipment life experimental data, the sensor groups and the modulate circuit (1) that comprise the life experiment state measurement, the digital multimeter of data acquisition (2), opening of experimental system power supply, close control module (3), computer data process software (4) and long distance wireless data transmission set (5), it is characterized in that: data handling system of the present invention also has a long distance wireless transmission equipment (5), be used for the data of gathering are carried out long-range timed sending, experiment fault or unusual remote auto are reported to the police, and make the experimenter can carry out the remote real-time data inquiry, experimental state Data Receiving and sending controling instruction are realized the life experiment remote monitoring.
2. a kind of system for processing star load equipment life experimental data according to claim 1 is characterized in that: what said long distance wireless transmission equipment (5) adopted is the gsm communication module of Siemens TC35i.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNA200810041161XA CN101329225A (en) | 2008-07-30 | 2008-07-30 | System for processing star load equipment life experimental data |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA200810041161XA CN101329225A (en) | 2008-07-30 | 2008-07-30 | System for processing star load equipment life experimental data |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102083023B (en) * | 2009-11-30 | 2015-02-04 | 中国移动通信集团江苏有限公司 | Method, system and equipment for restarting remote control equipment |
| CN109870098A (en) * | 2017-12-04 | 2019-06-11 | 北京自动化控制设备研究所 | A kind of unmanned plane rudder system method for detecting position |
-
2008
- 2008-07-30 CN CNA200810041161XA patent/CN101329225A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102083023B (en) * | 2009-11-30 | 2015-02-04 | 中国移动通信集团江苏有限公司 | Method, system and equipment for restarting remote control equipment |
| CN109870098A (en) * | 2017-12-04 | 2019-06-11 | 北京自动化控制设备研究所 | A kind of unmanned plane rudder system method for detecting position |
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Open date: 20081224 |