CN205210277U - A aeroengine data acquisition device of taking a trial run - Google Patents
A aeroengine data acquisition device of taking a trial run Download PDFInfo
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- CN205210277U CN205210277U CN201521018180.2U CN201521018180U CN205210277U CN 205210277 U CN205210277 U CN 205210277U CN 201521018180 U CN201521018180 U CN 201521018180U CN 205210277 U CN205210277 U CN 205210277U
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Abstract
The utility model discloses an aeroengine data acquisition device of taking a trial run, include: signal generator for generate multiple signal source and transmission for the signal processing board card, the signal processing board card is used for converting the signal source of receiving into and is used for aeroengine to take a trial run giving the platform of taking a trial run with digital quantity switching signal, and signal generator includes frequency signal generator, voltage signal generator and electric current signal generator and all integrated in detecting box. Can satisfy the measurement of a voltage of taking a trial run, electric current and frequency volume, and the current manual control signal who suppresses productions such as pump of the digital quantity switching signal who the generates regulation control of being convenient for, and the precision is high, data reality, reliability are high, and this embodiment data acquisition device is applicable to the multiple platform of taking a trial run, have simply swift advantage of portable, installation and debugging.
Description
Technical field
The utility model relates to aeromotor detection field, especially, relates to a kind of aircraft engine test stand number device for picking.
Background technology
Along with the development in epoch, signal detecting mode develops into robotization, intelligent, integration degree, but existing aircraft engine test stand data acquisition system (DAS) generally still adopts traditional signal detecting mode, (as pressure signal, current signal, voltage signal, frequency signal, resistance signal) be utilize pressuring pump, current signal generator, voltage signal generator, frequency of signal generator, the instruments such as resistance signal instrument carry out separately signal output, this signal is stuck in data acquisition interface display by signal-processing board, according to the setting of data acquisition program, if desired multiple signal is checked simultaneously, just must many people's cooperations carry out, the particularly defencive function of data acquisition system (DAS), generally all associate with aeromotor rotating speed, it is loaded down with trivial details in the installation at test bay scene, and data acquisition system (DAS) structure disperses, gatherer process is intelligent not, this signal detecting mode is caused to be wasted time and energy, and the accuracy of instrument such as manual pressuring pump is inadequate, impact is had for several device for picking measurement, finally can affect the result of inspection.
Utility model content
The utility model provides a kind of aircraft engine test stand number device for picking, to solve the technical matters of the loaded down with trivial details and not high defect of precision of existing aircraft engine test stand number device for picking structure disperses, in-site installation.
The technical solution adopted in the utility model is as follows:
A kind of aircraft engine test stand number device for picking, comprising:
Signal generator, for generating multiple signal source and passing to signal transacting board,
Signal transacting board, for the signal source of reception being converted to for aeroengine test run digital quantity switching signal to test bay,
Signal generator comprises frequency of signal generator, voltage signal generator and current signal generator and is all integrated in detection box.
Further, frequency of signal generator, voltage signal generator and current signal generator share first data transmission joint connection signal process board.
Further, detection box is also provided with the input quantity interface for inputting test bay protection value, and input quantity interface is through the second data transmission joint connection signal process board.
Further, voltage signal generator comprises the first reference power supply module, and the first reference power supply module connects the operation amplifier module for carrying out operation amplifier process through the first current potential modulation module, obtains required adjustable voltage signal.
Further, the first current potential modulation module is adjustable resistance.
Further, current signal generator comprises the second reference power supply module, and the second reference power supply module connects common emitter amplifying circuit through the second current potential modulation module, obtains required adjustable current signal.
Further, the second current potential modulation module is potentiometer.
Further, frequency of signal generator adopts the signal generator based on digital synthesis technology, exports and comprises sine wave, square wave, triangular wave and sawtooth wave function waveform.
Further, detect in box and rechargeable battery is set as power supply, and frequency of signal generator, voltage signal generator and current signal generator share rechargeable battery.
The utility model has following beneficial effect:
The utility model aircraft engine test stand number device for picking, by signalization generator and signal transacting board, multiple signal source is made to be converted to for aeroengine test run digital quantity switching signal through signal transacting board, and the integrated frequency of signal generator of signal generator, voltage signal generator and current signal generator, test bay voltage can be met, the measurement of electric current and frequency quantity, and the control signal that the more existing manual pressuring pump of digital quantity switching signal generated etc. produce is convenient to regulable control, and precision is high, data validity, reliability is high, and the present embodiment number device for picking is applicable to multiple test bay, have portable, the advantage of Installation and Debugging simple and fast.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the utility model preferred embodiment aircraft engine test stand number device for picking;
Fig. 2 is the structural representation of the utility model preferred embodiment voltage signal generator;
Fig. 3 is the structural representation of the utility model preferred embodiment current signal generator;
Fig. 4 is the signal schematic representation of the utility model preferred embodiment aircraft engine test stand number device for picking.
Description of reference numerals:
10, signal generator;
11, frequency of signal generator;
12, voltage signal generator;
13, current signal generator;
20, signal transacting board;
121, the first reference power supply module;
122, the first current potential modulation module;
123, operation amplifier module;
131, the second reference power supply module;
132, the second current potential modulation module;
133, common emitter amplifying circuit;
30, power supply.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
Exist for traditional aircraft engine test stand signal detecting mode and waste time and energy, and the shortcoming that accuracy of detection is inadequate, the present embodiment provides a kind of aircraft engine test stand number device for picking of multiple functional, safe and reliable, simple to operate, easy to carry, self-powered multi-functional quick detection, solves the defect that input inconvenience, precision are not high; And be applicable to multiple test bay, improve the efficiency that ride number adopts parameter detecting system.With reference to Fig. 1, the utility model aircraft engine test stand number device for picking, comprising: signal generator 10, for generating multiple signal source and passing to signal transacting board 20; Signal transacting board 20, belongs to ride data actuation, for being converted to for aeroengine test run digital quantity switching signal the signal source of reception to test bay; Wherein, signal generator 10 comprises frequency of signal generator 11, voltage signal generator 12 and current signal generator 13 and is all integrated in detection box.
The present embodiment is by signalization generator 10 and signal transacting board 20, multiple signal source is made to be converted to for aeroengine test run digital quantity switching signal through signal transacting board, and the integrated frequency of signal generator 11 of signal generator 10, voltage signal generator 12 and current signal generator 13, test bay voltage can be met, the measurement of electric current and frequency quantity, and the control signal that the more existing manual pressuring pump of digital quantity switching signal generated etc. produce is convenient to regulable control, and precision is high, data validity, reliability is high, and the present embodiment number device for picking is applicable to multiple test bay, have portable, the advantage of Installation and Debugging simple and fast.
The present embodiment, alternatively, frequency of signal generator 11, voltage signal generator 12 and current signal generator 13 share first data transmission joint connection signal process board 20, by integrated multi-signal generator, and through first data transmission joint as total joint, achieve the Integrated design of multi-signal generator on same detection box, meet the requirement of its versatility.Preferably, detection box is also provided with the input quantity interface for inputting test bay protection value, and input quantity interface is through the second data transmission joint connection signal process board 20.The predetermined analog amount shielded by each test bay of input quantity interface and/or digital quantity signal are also passed to test bay through signal transacting board 20, to meet the protection of commissioning process to data collector.
With reference to Fig. 2, in the present embodiment, voltage signal generator 12 comprises the first reference power supply module 121, first reference power supply module 121 and connects operation amplifier module 123 for carrying out operation amplifier process through the first current potential modulation module 122, obtains required adjustable voltage signal.Preferably, in the present embodiment, voltage signal generator is that 15VDC power supply forms reference source by voltage stabilizing chip TL431 voltage regulator, then through operational amplifier LM324N, signal is compared amplification again through adjustable resistance sampling, obtains required adjustable voltage.
With reference to Fig. 3, the present embodiment current signal generator 13 comprises the second reference power supply module 131, second reference power supply module 131 and connects common emitter amplifying circuit 133 through the second current potential modulation module 132, obtains required adjustable current signal.Preferably, 4-20mA current signal generator is 15VDC power supply, and by voltage stabilizing chip TL431 and resistance composition reference source, by triode 2N5551 common emitter amplifying circuit, collector pole exports.Modulation through potentiometer changes base stage and emitter voltage, changes collector current accordingly simultaneously, can obtain 4-20mA constant current source by the configuration of emitter resistance.
Preferably, the present embodiment frequency of signal generator 11 adopts the signal generator 10 based on digital synthesis technology, exports and comprises sine wave, square wave, triangular wave and sawtooth wave function waveform.The present embodiment frequency of signal generator 11 adopts SGP1000S series based on the signal generator of Direct Digital (DDS), adopt FPGA design, DC9V-40V Width funtion Power supply, sine can be exported, square wave (dutycycle can 1%-99% regulate), the many kinds of function such as triangular wave and sawtooth wave waveform, maximum effective output is greater than 10Vpp, output frequency resolution rate is 10KHz, amplitude output signal and direct current biasing continuously adjustabe.This instrument also has frequency sweep function, supports linear frequency sweep, logarithm frequency sweep two kinds of scan modes, can set arbitrarily range of scanned frequencies and sweep time.There is the several functions such as TTL synchronism output, outer frequency measurement sum counter simultaneously in one.Have easy to use, signal stabilization degree is high, and the decay of common function one key operation, the bnc interface way of output, signal output amplitude one key, two-way Transistor-Transistor Logic level difference output, embedded surface board mounting structure, be convenient to the advantages such as integrated.
Preferably, the present embodiment detects in box and arranges rechargeable battery as power supply 30, and frequency of signal generator 11, voltage signal generator 12 and current signal generator 13 share rechargeable battery.Preferably, built-in 12V10AH lithium battery power supply, detection of going out can continuous working more than 8 hours, greatly facilitates the use in outfield.
With reference to Fig. 4, the present embodiment multifunctional signal generator can produce 4-20mA current signal, 0-10V voltage signal, 0-200mv voltage signal, 0-10MHZ frequency signal, 0-200 ohm thermal resistance signal, particularly, the pot of adjustment its correspondence available of electric current and voltage amount, the selection of the range toggle switch of its correspondence, voltage exports V1 shelves (0-10V voltage signal) corresponding plug 1,2 jiaos, V2 shelves (0-200mv voltage signal) corresponding plug 9,10 jiaos, regulates pot can change its output valve; Electric current exports I1 shelves correspondence 3,4 jiaos, I2 shelves correspondence 5,6 jiaos, and I3 shelves correspondence 7,8 jiaos regulates pot can change its output valve.The present embodiment signal transacting board 20 comprises analog input port, digital output port and AD conversion module, the analog signals of AD conversion module through receiving is converted to digital quantity switching signal and is passed to test bay through digital output port, with measurement parameter not at acceptability limit time, provide on-off model and carry out parking toll to plugging relay.
Can learn from above description, the present embodiment makes multiple signal source be converted to for aeroengine test run digital quantity switching signal through signal transacting board 20, and the integrated frequency of signal generator 11 of signal generator 10, voltage signal generator 12 and current signal generator 13, test bay voltage can be met, the measurement of electric current and frequency quantity, and the control signal that the more existing manual pressuring pump of digital quantity switching signal generated etc. produce is convenient to regulable control, and precision is high, data validity, reliability is high, and the present embodiment number device for picking is applicable to multiple test bay, have portable, the advantage of Installation and Debugging simple and fast.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. an aircraft engine test stand number device for picking, is characterized in that, comprising:
Signal generator (10), for generating multiple signal source and passing to signal transacting board (20),
Signal transacting board (20), for the described signal source received is converted to for described aeroengine test run digital quantity switching signal to test bay,
Described signal generator (10) comprises frequency of signal generator (11), voltage signal generator (12) and current signal generator (13) and is all integrated in detection box.
2. aircraft engine test stand number device for picking according to claim 1, is characterized in that,
Described frequency of signal generator (11), described voltage signal generator (12) and described current signal generator (13) share first data transmission joint and connect described signal transacting board (20).
3. aircraft engine test stand number device for picking according to claim 2, is characterized in that,
Described detection box is also provided with the input quantity interface for inputting test bay protection value, and described input quantity interface connects described signal transacting board (20) through the second data transmission joint.
4., according to the arbitrary described aircraft engine test stand number device for picking of claims 1 to 3, it is characterized in that,
Described voltage signal generator (12) comprises the first reference power supply module (121), described first reference power supply module (121) connects the operation amplifier module (123) for carrying out operation amplifier process through the first current potential modulation module (122), obtains required adjustable voltage signal.
5. aircraft engine test stand number device for picking according to claim 4, is characterized in that,
Described first current potential modulation module (122) is adjustable resistance.
6. aircraft engine test stand number device for picking according to claim 4, is characterized in that,
Described current signal generator (13) comprises the second reference power supply module (131), described second reference power supply module (131) connects common emitter amplifying circuit (133) through the second current potential modulation module (132), obtains required adjustable current signal.
7. aircraft engine test stand number device for picking according to claim 6, is characterized in that,
Described second current potential modulation module (132) is potentiometer.
8., according to the arbitrary described aircraft engine test stand number device for picking of claims 1 to 3, it is characterized in that,
Described frequency of signal generator (11) adopts the signal generator (10) based on digital synthesis technology, exports and comprises sine wave, square wave, triangular wave and sawtooth wave function waveform.
9., according to the arbitrary described aircraft engine test stand number device for picking of claims 1 to 3, it is characterized in that,
Rechargeable battery is set in described detection box as power supply (30), and described frequency of signal generator (11), described voltage signal generator (12) and described current signal generator (13) share described rechargeable battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521018180.2U CN205210277U (en) | 2015-12-10 | 2015-12-10 | A aeroengine data acquisition device of taking a trial run |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521018180.2U CN205210277U (en) | 2015-12-10 | 2015-12-10 | A aeroengine data acquisition device of taking a trial run |
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| CN205210277U true CN205210277U (en) | 2016-05-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108071102A (en) * | 2017-12-29 | 2018-05-25 | 太原重工股份有限公司 | The test run system of slide device and drilling platform lifting system |
| CN113763772A (en) * | 2021-09-09 | 2021-12-07 | 中国航发南方工业有限公司 | Aviation equipment testing and teaching platform |
-
2015
- 2015-12-10 CN CN201521018180.2U patent/CN205210277U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108071102A (en) * | 2017-12-29 | 2018-05-25 | 太原重工股份有限公司 | The test run system of slide device and drilling platform lifting system |
| CN113763772A (en) * | 2021-09-09 | 2021-12-07 | 中国航发南方工业有限公司 | Aviation equipment testing and teaching platform |
| CN113763772B (en) * | 2021-09-09 | 2023-03-17 | 中国航发南方工业有限公司 | Aviation equipment testing and teaching platform |
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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. |
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| CP01 | Change in the name or title of a patent holder |