CN202748127U - Full-automatic verification system of handheld working vibration meter - Google Patents
Full-automatic verification system of handheld working vibration meter Download PDFInfo
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- CN202748127U CN202748127U CN 201220372984 CN201220372984U CN202748127U CN 202748127 U CN202748127 U CN 202748127U CN 201220372984 CN201220372984 CN 201220372984 CN 201220372984 U CN201220372984 U CN 201220372984U CN 202748127 U CN202748127 U CN 202748127U
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Abstract
Disclosed is a full-automatic verification system of a handheld working vibration meter. A personal computer (PC) (9) and a local area network (LAN)-XI analysis meter (5) are in connection for mutual communications. The LAN -XI analysis meter (5) is connected with a power amplifier (6). The power amplifier (6) is connected with a calibration vibration table (1). One side of the calibration vibration table (1) is sequentially connected with a measured handheld working vibration meter (3), a camera (7) and an image acquisition card (8) in series, and the other side of the calibration vibration table (1) is sequentially connected with a reference standard accelerometer (2) and a charge amplifier (4) in series. The image acquisition card (8) is further connected with the PC (9), and the charge amplifier (4) is further connected with the LAN -XI analysis meter (5). By the aid of the full-automatic verification system of the handheld working vibration meter, the problem that the domestic existing working vibration meter changes from a semi-automatic verification into a full-automatic verification can be solved. The full-automatic verification system of the handheld working vibration meter has the obvious advantages of being reliable and efficient in full-automatic verification working vibration meters.
Description
Technical field
The utility model relates to electric system is measured detection technique with vibration transducer, particularly the full-automatic verification system technical field of portable handheld work vialog.
Technical background
In electric system, adopt acceleration transducer, speed pickup and displacement transducer (portable handheld work vialog) that the parameters such as vibration amplitude in electrical network, power plant's production and the operational process are measured, the accuracy of institute's employing vibration transducer directly has influence on the safe and reliable of production run process, power industry requires and must regularly examine and determine it, and the standard vibration sensor should regularly carry out compulsory verification to it.
Along with the developing rapidly of electric power, portable handheld work vialog calibrating amounts is huge in recent years, and its verification process is relatively numerous and diverse again, and traditional artificial calibration method efficient of past is low, and work load is heavy, can not adapt to the needs of present calibration operation fully.Therefore in the calibration of power industry measurement standard and testing, how finishing fast and accurately portable handheld work vialog verification task, promote electric-power metering vibration transducer robotization detection level, is the problem of needing solution badly.
Summary of the invention
Under such background condition, the purpose of this utility model is image recognition technology is applied in the existing portable handheld work vialog detecting platform, realizes meeting the amplitude linearity of portable handheld work vialog of vertification regulation requirement and the full-automatic calibrating of frequency response.
The utility model proposes the full-automatic verification system of a kind of portable handheld work vialog, its technical scheme is:
The full-automatic verification system of a kind of portable handheld work vialog, the utility model feature is to comprise calibration shaking table, normative reference accelerometer, tested portable handheld work vialog, charge amplifier, LAN-XI analyser, power amplifier, camera, image pick-up card, PC; The syndeton of device is: PC is connected with the LAN-XI analyser and mutually intercommunication; The LAN-XI analyser connects power amplifier, and power amplifier is connected with the calibration shaking table; The calibration shaking table is sequentially contacted and is connect with tested portable handheld work vialog, camera, image pick-up card on one side, and calibration shaking table another side and normative reference accelerometer, charge amplifier are sequentially contacted and connect; Wherein image pick-up card also is connected with PC, and charge amplifier also is connected with the LAN-XI analyser.
The utility model LAN-XI analyser is the system signal collection, analyzes nucleus equipment, receives, analyzes the instruction of PC PC control, and export control command to power amplifier, gathers, analyzes the charge amplifier input signal, and signal is delivered to host computer PC.Power amplifier carries out gain-adjusted according to the instruction of LAN-XI analyser signal generator, signal output calibration shaking table, the calibration shaking table is exported and is connected to charge amplifier for normative reference accelerometer and tested portable handheld work vialog provide the vibrational excitation source of different frequency and amplitude, normative reference accelerometer will calibrates the shaking table vibration output signal; Charge amplifier exports the LAN-XI analyser to after this signal is amplified, and the LAN-XI analyser intercoms mutually with PC, and the advantage of the full automatic standard vibration control system of the closed-loop control of providing is provided.
The utility model is on the full automatic standard vibration control system basis of closed-loop control, described camera is in order to take the digital picture of tested portable handheld work vialog under standard vibration, the image that camera is taken gathers to PC by image pick-up card, and automatically identify through image recognition, have the advantage of the tested instrument displayed value of automatic identification.
PC host computer described in the utility model is issued to the LAN-XI analyser by the R232 universal serial bus with control command, the LAN-XI analyser exports signal to power amplifier after control command is resolved, the power amplifier output electrical signals is to the vibration of calibrating shaking table and producing specified amplitude and frequency, charge amplifier is enlarged into voltage signal with reference to the charge signal of standard accelerometer and exports the LAN-XI analyser to and carry out signal analysis, and control signal exports the vibration of power amplifier adjusting calibration shaking table to after will analyzing, and realizes system's closed-loop control.Tested portable handheld work vialog displayed value is taken by camera, and the image of camera shooting gathers to PC by image pick-up card, realizes the automatic Verification of calibrating point, and through automatic discriminance analysis measurand error.
The beneficial effects of the utility model are:
1, following under the prerequisite of vertification regulation, utilizing vibration calibrating hardware platform and image recognition technology to gather tested portable handheld work vialog numerical value, one-touchly finishing portable handheld work vialog amplitude and frequency response is automatically examined and determine.
2, gauging error be can correctly judge, manual record and calculating do not needed.
Description of drawings
Fig. 1 is the structural representation of the full-automatic verification system of a kind of portable handheld work vialog of the utility model.
Among the figure: 1, calibration shaking table; 2, normative reference accelerometer; 3, tested portable handheld work vialog; 4, charge amplifier; 5, LAN-XI analyser; 6, power amplifier; 7, camera; 8, image pick-up card; 9, PC.
Embodiment
The utility model is described in further detail below in conjunction with Fig. 1.
The full-automatic verification system of a kind of portable handheld work vialog, the utility model feature is to comprise calibration shaking table 1, normative reference accelerometer 2, tested portable handheld work vialog 3, charge amplifier 4, LAN-XI analyser 5, power amplifier 6, camera 7, image pick-up card 8, PC9; The syndeton of device is: PC9 is connected with LAN-XI analyser 5 and mutually intercommunication; LAN-XI analyser 5 connects power amplifier 6, and power amplifier 6 is connected with calibration shaking table 1; Calibration shaking table 1 is sequentially contacted with tested portable handheld work vialog 3, camera 7, image pick-up card 8 on one side and is connect, and calibration shaking table 1 another side and normative reference accelerometer 2, charge amplifier 4 are sequentially contacted and connect; Wherein image pick-up card 8 also is connected with PC9, and charge amplifier 4 also is connected with LAN-XI analyser 5.
As shown in Figure 1, PC9 is connected with LAN-XI analyser 5, PC9 is issued to LAN-XI analyser 5 with vibration amplitude and the frequency values of setting, LAN-XI analyser 5 produces sinusoidal excitation signal and is issued to power amplifier 6, power amplifier 6 exports calibration shaking table 1 to after this pumping signal is amplified, calibration shaking table 1 provides standard vibration amplitude and frequency for normative reference accelerometer 2 and tested portable handheld work vialog 3, and calibration shaking table 1 adopts back-to-back with normative reference accelerometer 2 and tested portable handheld work vialog 3 that mode is rigidly connected.Normative reference accelerometer 2 will calibrate the shaking table vibration acceleration and frequency output is connected to charge amplifier 4, charge amplifier 4 exports LAN-XI analyser 5 to after this signal is amplified, the setting value that LAN-XI analyser 5 issues charge amplifier 4 signal analysis and PC9 relatively, and continue signal is issued to power amplifier 6 according to deviation relatively, until producing with PC9, shaking table sets vibration amplitude and frequency values, for tested portable handheld work vialog 3 provides standard vibration amplitude and frequency values.This moment, camera 7 was by aiming at tested portable handheld work vialog 3 digital display screens, deliver to PC9 on the image of image pick-up card 8 with camera 7 collections, judge that by image recognition technology tested portable handheld work vialog 3 displayed values fluctuation is no more than ± 1mm, judge stable, read tested portable handheld work vialog 3 displayed values, automatically judge the verification result error, and be issued to the full-automatic calibrating that LAN-XI analyser 5 is realized all set points by calibrating point vibration amplitude and the frequency values that PC9 will set the next one automatically.
Claims (1)
1. the full-automatic verification system of portable handheld work vialog is characterized in that comprising calibration shaking table (1), normative reference accelerometer (2), tested portable handheld work vialog (3), charge amplifier (4), LAN-XI analyser (5), power amplifier (6), camera (7), image pick-up card (8), PC(9); The syndeton of device is: PC(9) be connected with LAN-XI analyser (5) and mutually intercommunication; LAN-XI analyser (5) connects power amplifier (6), and power amplifier (6) is connected with calibration shaking table (1); Calibration shaking table (1) is sequentially contacted with tested portable handheld work vialog (3), camera (7), image pick-up card (8) on one side and is connect, and calibration shaking table (1) another side and normative reference accelerometer (2), charge amplifier (4) are sequentially contacted and connect; Wherein image pick-up card (8) is gone back and PC(9) be connected, charge amplifier (4) also is connected with LAN-XI analyser (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220372984 CN202748127U (en) | 2012-07-31 | 2012-07-31 | Full-automatic verification system of handheld working vibration meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220372984 CN202748127U (en) | 2012-07-31 | 2012-07-31 | Full-automatic verification system of handheld working vibration meter |
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| Publication Number | Publication Date |
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| CN202748127U true CN202748127U (en) | 2013-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220372984 Expired - Lifetime CN202748127U (en) | 2012-07-31 | 2012-07-31 | Full-automatic verification system of handheld working vibration meter |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802182A (en) * | 2015-11-26 | 2017-06-06 | 中国电力科学研究院 | A kind of calibration method of transmission line of electricity aeolian vibration on-Line Monitor Device |
| CN107560814A (en) * | 2017-09-29 | 2018-01-09 | 浙江省计量科学研究院 | The reliability test system of laser vibration measurer |
| CN113075424A (en) * | 2021-05-13 | 2021-07-06 | 珠海市精实测控技术有限公司 | Method for testing performance consistency of product built-in triaxial acceleration sensor |
| CN113075423A (en) * | 2021-05-13 | 2021-07-06 | 珠海市精实测控技术有限公司 | Device for testing performance consistency of product built-in triaxial acceleration sensor |
| CN113189369A (en) * | 2021-05-13 | 2021-07-30 | 珠海市精实测控技术有限公司 | Device for testing performance consistency of built-in acceleration sensor of product |
| CN113189368A (en) * | 2021-05-13 | 2021-07-30 | 珠海市精实测控技术有限公司 | Method for testing performance consistency of built-in acceleration sensor of product |
| CN114966888A (en) * | 2022-05-24 | 2022-08-30 | 中国矿业大学 | Method and device for detecting mine earthquake sensor for mine microseismic monitoring system |
-
2012
- 2012-07-31 CN CN 201220372984 patent/CN202748127U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802182A (en) * | 2015-11-26 | 2017-06-06 | 中国电力科学研究院 | A kind of calibration method of transmission line of electricity aeolian vibration on-Line Monitor Device |
| CN106802182B (en) * | 2015-11-26 | 2020-02-18 | 中国电力科学研究院 | Calibration method of power transmission line breeze vibration online monitoring device |
| CN107560814A (en) * | 2017-09-29 | 2018-01-09 | 浙江省计量科学研究院 | The reliability test system of laser vibration measurer |
| CN113075424A (en) * | 2021-05-13 | 2021-07-06 | 珠海市精实测控技术有限公司 | Method for testing performance consistency of product built-in triaxial acceleration sensor |
| CN113075423A (en) * | 2021-05-13 | 2021-07-06 | 珠海市精实测控技术有限公司 | Device for testing performance consistency of product built-in triaxial acceleration sensor |
| CN113189369A (en) * | 2021-05-13 | 2021-07-30 | 珠海市精实测控技术有限公司 | Device for testing performance consistency of built-in acceleration sensor of product |
| CN113189368A (en) * | 2021-05-13 | 2021-07-30 | 珠海市精实测控技术有限公司 | Method for testing performance consistency of built-in acceleration sensor of product |
| CN113189368B (en) * | 2021-05-13 | 2023-12-26 | 珠海精实测控技术股份有限公司 | Method for testing performance consistency of built-in acceleration sensor of product |
| CN113075424B (en) * | 2021-05-13 | 2023-12-26 | 珠海精实测控技术股份有限公司 | Method for testing performance consistency of built-in triaxial acceleration sensor of product |
| CN114966888A (en) * | 2022-05-24 | 2022-08-30 | 中国矿业大学 | Method and device for detecting mine earthquake sensor for mine microseismic monitoring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130220 |
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| CX01 | Expiry of patent term |