CN2265528Y - Active redundance substance tester - Google Patents
Active redundance substance tester Download PDFInfo
- Publication number
- CN2265528Y CN2265528Y CN 96211981 CN96211981U CN2265528Y CN 2265528 Y CN2265528 Y CN 2265528Y CN 96211981 CN96211981 CN 96211981 CN 96211981 U CN96211981 U CN 96211981U CN 2265528 Y CN2265528 Y CN 2265528Y
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- movable
- turntable
- wheel
- turret
- microcomputer
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- Expired - Fee Related
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Abstract
The utility model relates to an active redundance substance detecting device, which is composed by the connection of a piezoelectric transducer, a preamplifier, a transient signal collecting card, a microcomputer, a display, a power source, a rotational table, etc. The utility model picks up displacement signals of both sound radiation and sound emission, which are produced in the displacement process of the active redundance substance, and adopts a quick and a slow channels to pick up the displacement signals. The utility model overcomes the deficiency of the PIND technique and has the advantages of high sensitivity, reliable inspection result, and accurate judgement. The utility model can be used for detecting active redundance substance of various instruments and electronic devices with large quality in the fields of aeronautics, astronautics, etc.
Description
The utility model relates to a kind of pick-up unit that detects fifth wheel, Checkout of active redundances device in particularly a kind of detecting instrument.
The development research of movable fifth wheel detection technique is carried out in sophisticated technology department, for many years particularly in the spationautics field always.I national military standard GJB 360.26-87 " electronics and the walkaway of electrical equipment test method particle collision " has stipulated to be applicable to electronic devices and components interior Checkout of active redundances technology, i.e. the PIND technology of quality less (generally being not more than 120g).During check electron device is placed on the electromagnetic vibration generator system, in vibration processes, picks up the acoustical signal of fifth wheel bump device; Statistical study in the enforcement, the False Rate of this detection technique can be up to 30%; The PIND technology of U.S. army mark MIL-STD 883B and MIL-STD-202F regulation is because the restriction of the shaking table ability of electric magnetization can check the biggest quality of device also to be no more than 175g; Russian Patent SU 419781 discloses a kind of special vibrating device, it adopts vibroshock fixedly to lay the emplacing platform of device, with rotatable boss excited vibrational, the acoustical signal that produces during with a transducers pick up fifth wheel bump device realizes the check to fifth wheel in the device.The deficiency of this detection technique is, can not differentiation activity fifth wheel signal and noise signal, therefore also be easy to generate erroneous judgement, and the reliability of check sensitivity and assay is relatively poor.
The purpose of this utility model be check in order to provide a kind of that movable fifth wheel is highly sensitive, assay is reliable, the movable fifth wheel pick-up unit of accuracy of judgement.
The purpose of this utility model realizes by following technical scheme.Get microcomputer ready, display, power supply, piezoelectric transducer, prime amplifier, the transient signal capture card, turntable, piezoelectric transducer is fixed on the suitable position on tested instrument surface by the fixed mount roof pressure, piezoelectric transducer is connected with the coaxial shielding lead with prime amplifier, be connected with the multicore shielding lead between the signal output of prime amplifier and turntable, the signal output of turntable is connected with the coaxial shielding lead by three-way plug with transient signal capture card in being inserted in microcomputer, microcomputer is connected with private cable with display, power supply by lead respectively with microcomputer, display, prime amplifier, turntable is connected, the turret of turntable and rotating disk are done back and forth to quicken to rotate, excitation is subjected to displacement by the movable fifth wheel in the test examination instrument, and testing process to same signal with soon, slow two kinds of friction speeds are gathered simultaneously, on display, show the signal waveform that friction speed is gathered simultaneously, i.e. formation activity fifth wheel pick-up unit.
Turntable is by turret, rotating disk, transmission shaft, the bearing support that bearing and supporting base are formed, synchronous pulley, clutch coupling, synchronous cog belt, be with tensioning system synchronously, handgrip, clamping screw, crank-rocker mechanism, chassis and framework, harmonic speed reducer, direct current motor, castor, foot bolt, signal output constitutes, rotating disk is fixed on the turret by its central shaft, can on turret, do the rotation of 90 ° of scopes, and be locked in optional position in 90 ° by clamping screw, when the direct current motor of electric driving mechanism rotates, after the harmonic speed reducer deceleration, drive crank-rocker mechanism and produce the acceleration rotation, transmission by synchronous cog belt, drive turret and rotating disk and do back and forth to quicken to rotate, excitation is subjected to displacement by the movable fifth wheel in the test examination instrument; The electric driving mechanism that constitutes by crank-rocker mechanism, harmonic speed reducer, direct current motor, synchronous cog belt etc., can make turret quicken to rotate about 180 °, change the polar orientation of DC electric motor frame voltage, can do reciprocal 180 ° and quicken rotation, rotation acceleration can change by the armature voltage size of adjusting direct current motor.
Carry out movable fifth wheel when detecting, be fixed on the rotating disk rotating disk, being isolated by test examination instrument by fixed mount by test examination instrument and fixed mount with the employing Rubber washer;
Clutch coupling pushes, and drives turret by motor-driven mechanism and does to quicken to rotate; Throw-out-of clutch, available manual driven turret are done to quicken to rotate;
In the testing process, signals collecting, waveform demonstration, data-storing and access etc. are controlled by trace routine.Testing process is gathered with fast, slow two kinds of friction speeds simultaneously to same signal.On display, show the signal waveform in the suitable sampling length district that friction speed gathers simultaneously.According to the oscillation frequency of signal waveform, envelope shape, characteristic distributions decidable signal in sample region is movable fifth wheel signal or other signals;
Movable fifth wheel pick-up unit can detect by the movable fifth wheel minimum dimension of the metal in the test examination instrument and be not more than Φ 0.5mm, and when electric driving mechanism drove, the tested instrument quality that can examine was not more than 10kg; During manual driven, the tested instrument quality that can examine is not more than about 30kg;
Piezoelectric transducer is manufactured by the piezoelectric ceramics lead zirconate titanate, and principal resonant frequency is 120～200kHz;
Prime amplifier is manufactured with discrete device, main performance: gain 〉=45dB; Frequency span 80～200kHz; Input impedance＞200k Ω; Noise≤7 μ V;
Transient signal capture card main performance comprises: input impedance 1M Ω; Sample rate is adjustable by 1,2,5 fen retaining between 50ns～2ms; Resolution is 8bit; Signal bandwidth (AC) 10Hz～5MHz; Can adopt multiple triggering mode to trigger;
Microcomputer is selected the microcomputer of commercially available common model, the above internal memory of 1M, 386 above CPU for use;
Display is the VGA color monitor;
Power supply is by 220V single phase alternating current power supply power supply, for the direct current motor of turntable provides DC excitation voltage and the adjustable direct current frame voltage of 0～120V of 200V, provides the DC voltage of 12V to prime amplifier.
The utility model picks up the displacement signal that existing sound radiation in the movable fifth wheel displacement process has acoustic emission again, and adopted fast, slow two passages to pick up displacement signal, overcome the deficiency that the PIND technology exists, provide a kind of and checked that movable fifth wheel is highly sensitive, assay reliable, the movable fifth wheel pick-up unit of accuracy of judgement.
Below in conjunction with drawings and Examples the utility model is described in further detail:
Fig. 1 is the utility model constructional device block diagram
Fig. 2 is the utility model structural representation
Fig. 3 is the utility model electrical schematic diagram
Fig. 4 is the utility model turntable structural representation
Fig. 5 is the utility model trace routine figure
Referring to figs. 1 through Fig. 5, get microcomputer [4] ready, display [5], power supply [6], piezoelectric transducer [1], prime amplifier [2], transient signal capture card [3], turntable [7], piezoelectric transducer [1] is fixed on by on the suitable position on test examination instrument [10] surface by fixed mount [11] roof pressure, piezoelectric transducer [1] is connected with coaxial shielding lead [8] with prime amplifier [2], prime amplifier [2] is connected with multicore shielding lead [9] with the same of signal output [217] of turntable [7], the signal output [217] of turntable [7] is connected with coaxial shielding lead [9] by three-way plug with transient signal capture card [3] in being inserted in microcomputer [4], microcomputer [4] is connected with private cable with display [5], power supply [6] by lead respectively with microcomputer [4], display [5], prime amplifier [2], turntable [7] is connected.The turret [201] of turntable [7] and rotating disk [202] are done back and forth to quicken to rotate, excitation is subjected to displacement by the movable fifth wheel in the test examination instrument [10], and testing process is gathered with fast, slow two kinds of friction speeds simultaneously to same signal, on display, show the signal waveform that friction speed is gathered simultaneously, i.e. formation activity fifth wheel pick-up unit.
Turntable [7] is by turret [201], rotating disk [202], transmission shaft [203], the bearing support [204] that bearing and supporting base are formed, synchronous pulley [205], clutch coupling [206], synchronous cog belt [207], be with tensioning system [208] synchronously, handgrip [209], clamping screw [210], crank-rocker mechanism [211], chassis and framework [212], harmonic speed reducer [213], direct current motor [214], castor [215], foot bolt [216], signal output [217] constitutes, the central shaft of rotating disk [202] is fixed on the plane of turret [201] with nut, transmission shaft [203] is being fixed with the spiral shell inspection in center, turret [201] two ends, plane, the bearing support [204] that transmission shaft [203] is formed by bearing and supporting base is fixed on the upper end of the framework [212] of turntable [7], and the termination of transmission shaft [203] is equipped with synchronous pulley [205] and clutch coupling [206].Harmonic speed reducer [213] uses bolted on the chassis [212] of turntable, its input shaft pin joint direct current motor [214], the output shaft pin joint crank-rocker mechanism [211], and crank-rocker mechanism [211] also uses bolted on chassis [212], and its termination is equipped with synchronous pulley.Synchronous pulley [205] on the transmission shaft [203] is connected with synchronous cog belt [217] with synchronous pulley on the crank-rocker mechanism [211], in the middle part of framework with screw fastening band tensioning system [208] synchronously.Framework [212] middle part is equipped with signal output [217] socket and external power input socket, power supply box [6] is installed on the central dividing plate of framework [212], the input end of power supply [6] links to each other with the external power input socket with lead, and signal output [217] socket is connected with the output terminal of prime amplifier [2] on being fixed on turret [201] with the multicore shielding lead.With the both sides, position handgrip [209] is installed in framework [212], following four jiaos of places of chassis [212] are installed with universal caster wheel [215] and foot bolt [216], and framework [212] outside surface clads with sheet iron.Rotating disk [202] can be gone up the rotation of making 90 ° of scopes at turret [201], and can be locked in optional position in 90 ° by clamping screw [210], when the direct current motor of electric driving mechanism [214] rotates, driving crank-rocker mechanism [211] generation by harmonic speed reducer [213] deceleration back quickens to rotate, transmission by synchronous cog belt [207], drive turret [201] and rotating disk [202] and do back and forth to quicken to rotate, excitation is subjected to displacement by the movable fifth wheel in the test examination instrument [10]; Wait the electric driving mechanism of formations by crank-rocker mechanism [211], harmonic speed reducer [213], with stream motor [214], synchronous cog belt [207], can make turret [201] quicken to rotate about 180 °, change the polar orientation of direct current motor [214] armature voltage, can do reciprocal about 180 ° acceleration rotation, rotation acceleration can change by the armature voltage size of adjusting direct current motor [214].
Carry out movable fifth wheel when detecting, be fixed on the rotating disk [202] by fixed mount [11], rotating disk [202], isolated by employing Rubber washer between test examination instrument [10] and the fixed mount [11] by test examination instrument [10];
Clutch coupling [206] pushes, and drives turret [201] by motor-driven mechanism and does to quicken to rotate; Clutch coupling [206] is thrown off, and available manual driven turret [201] is done to quicken to rotate;
In the testing process, signals collecting, waveform show, data-storing with access etc., control by trace routine.Testing process is gathered with fast, slow two kinds of friction speeds simultaneously to same signal.On display [5], show the signal waveform in the suitable sampling length that friction speed gathers simultaneously.According to the oscillation frequency of signal waveform, envelope shape, characteristic distributions decidable signal in sample region is movable fifth wheel signal or other signals;
Movable fifth wheel pick-up unit can detect by the movable fifth wheel minimum dimension of the metal in the test examination instrument and be not more than Φ 0.5mm, and when electric driving mechanism drove, that can examine was not more than 10kg by test examination instrument [10] quality; During manual driven, that can examine is not more than about 30kg by test examination instrument [10] quality:
Piezoelectric transducer [1] is manufactured by the piezoelectric ceramics lead zirconate titanate, and principal resonant frequency is 120～200kHz;
Prime amplifier [2] is manufactured main performance with discrete device: gain 〉=45dB; Frequency span 80～200kHz; Input resistance skill＞200k Ω; Noise≤7 μ V;
Transient signal capture card [3] main performance comprises: input impedance 1M Ω; Sample rate is adjustable by 1,2,5 fen retaining between 50ns～2ms; Resolution is 8bit; Signal bandwidth (AC) 10Hz～5MHz; Can adopt multiple triggering mode to trigger;
Microcomputer [4] is selected the microcomputer of commercially available common model, the above internal memory of 1M, 386 above CPU for use;
Display [5] is the VGA color monitor;
Power supply [6] is by 220V single phase alternating current power supply power supply, for the direct current motor [214] of turntable [7] provides DC excitation voltage and the adjustable DC armature voltage of 0～120V of 200V, provides the DC voltage of 12V to prime amplifier [2].
The movable fifth wheel that movable fifth wheel pick-up unit can be used in the bigger electron device of the various instruments in fields such as space flight, aviation and quality detects.
Claims (4)
1. movable fifth wheel pick-up unit, comprise microcomputer [4], display [5], power supply [6], it is characterized in that described movable fifth wheel pick-up unit also comprises piezoelectric transducer [1], prime amplifier [2], transient signal capture card [3], turntable [7], piezoelectric transducer [1] is fixed on by on the suitable position on test examination instrument [10] surface by fixed mount [11] roof pressure, piezoelectric transducer [1] is connected with coaxial shielding lead [8] with prime amplifier [2], be connected with multicore shielding lead [9] between the signal output [217] of prime amplifier [2] and turntable [7], the signal output [217] of turntable [7] is connected with coaxial shielding lead [9] by three-way plug with transient signal capture card [3] in being inserted in microcomputer [4], microcomputer [4] is connected with private cable with display [5], power supply [6] by lead respectively with microcomputer [4], display [5], prime amplifier [2], turntable [7] is connected, the turret [201] of turntable [7] and rotating disk [202] are done back and forth to quicken to rotate, excitation is subjected to displacement by the movable fifth wheel in the test examination instrument, and testing process to same signal with soon, slow two kinds of friction speeds are gathered simultaneously, show the signal waveform that friction speed is gathered on display simultaneously.
2. movable fifth wheel pick-up unit as claimed in claim 1, it is characterized in that described turntable [7] is by turret [201], rotating disk [202], transmission shaft [203], the bearing support [204] that bearing and supporting base are formed, synchronous pulley [205], clutch coupling [206], synchronous cog belt [207], be with tensioning system [208] synchronously, handgrip [209], clamping screw [210], crank-rocker mechanism [211], chassis and framework [212], harmonic speed reducer [213], direct current motor [214], castor [215], foot bolt [216], signal output [217] constitutes, rotating disk [202] is fixed on the turret [201] by its central shaft, can go up do the rotation of 90 ° of scopes at turret [201], and be locked in optional position in 90 ° by clamping screw [210].
3. movable fifth wheel pick-up unit as claimed in claim 1, the principal resonant frequency that it is characterized in that described piezoelectric transducer [1] is 120～200kHz.
4. movable fifth wheel pick-up unit as claimed in claim 1 is characterized in that described prime amplifier [2] frequency span is 80～200kHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96211981 CN2265528Y (en) | 1996-05-23 | 1996-05-23 | Active redundance substance tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96211981 CN2265528Y (en) | 1996-05-23 | 1996-05-23 | Active redundance substance tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2265528Y true CN2265528Y (en) | 1997-10-22 |
Family
ID=33894773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96211981 Expired - Fee Related CN2265528Y (en) | 1996-05-23 | 1996-05-23 | Active redundance substance tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2265528Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435672A (en) * | 2011-09-02 | 2012-05-02 | 哈尔滨工业大学 | Detection station, and automatic detection device and detection method for surplus object of aerospace electronic equipment by using detection station |
| CN102590788A (en) * | 2012-02-08 | 2012-07-18 | 航天科工防御技术研究试验中心 | Redundancy time difference positioning method and redundancy time difference positioning system |
| CN102590359A (en) * | 2012-02-08 | 2012-07-18 | 航天科工防御技术研究试验中心 | Method and system for identifying redundancy signals |
| CN103472196A (en) * | 2013-10-08 | 2013-12-25 | 上海航天测控通信研究所 | Redundancy detecting device |
| CN103728656A (en) * | 2014-01-13 | 2014-04-16 | 哈尔滨工业大学 | Synthetic sensor for particle impact noise detection (PIND) device |
| CN105466656A (en) * | 2015-11-30 | 2016-04-06 | 南京码尔够传动科技有限公司 | Particle impact noise detection analyzer |
| CN109655152A (en) * | 2018-11-13 | 2019-04-19 | 上海无线电设备研究所 | A kind of rotary wireless device fifth wheel detection device and detection method |
| CN111025419A (en) * | 2019-11-22 | 2020-04-17 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Cavity device detection equipment and system |
| CN113740926A (en) * | 2021-09-10 | 2021-12-03 | 德州市航星智能设备有限公司 | Movable excess material detection device |
-
1996
- 1996-05-23 CN CN 96211981 patent/CN2265528Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435672A (en) * | 2011-09-02 | 2012-05-02 | 哈尔滨工业大学 | Detection station, and automatic detection device and detection method for surplus object of aerospace electronic equipment by using detection station |
| CN102590788A (en) * | 2012-02-08 | 2012-07-18 | 航天科工防御技术研究试验中心 | Redundancy time difference positioning method and redundancy time difference positioning system |
| CN102590359A (en) * | 2012-02-08 | 2012-07-18 | 航天科工防御技术研究试验中心 | Method and system for identifying redundancy signals |
| CN103472196B (en) * | 2013-10-08 | 2015-07-08 | 上海航天测控通信研究所 | Redundancy detecting device |
| CN103472196A (en) * | 2013-10-08 | 2013-12-25 | 上海航天测控通信研究所 | Redundancy detecting device |
| CN103728656B (en) * | 2014-01-13 | 2016-02-24 | 哈尔滨工业大学 | A kind of PIND checkout equipment synthesis sensor |
| CN103728656A (en) * | 2014-01-13 | 2014-04-16 | 哈尔滨工业大学 | Synthetic sensor for particle impact noise detection (PIND) device |
| CN105466656A (en) * | 2015-11-30 | 2016-04-06 | 南京码尔够传动科技有限公司 | Particle impact noise detection analyzer |
| CN109655152A (en) * | 2018-11-13 | 2019-04-19 | 上海无线电设备研究所 | A kind of rotary wireless device fifth wheel detection device and detection method |
| CN111025419A (en) * | 2019-11-22 | 2020-04-17 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Cavity device detection equipment and system |
| CN111025419B (en) * | 2019-11-22 | 2022-02-11 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Cavity device detection equipment and system |
| CN113740926A (en) * | 2021-09-10 | 2021-12-03 | 德州市航星智能设备有限公司 | Movable excess material detection device |
| CN113740926B (en) * | 2021-09-10 | 2023-10-31 | 德州市航星智能设备有限公司 | Movable redundant material detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |