CN102062084B - Portable multifunctional vibration noise test analyzer - Google Patents
Portable multifunctional vibration noise test analyzer Download PDFInfo
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- CN102062084B CN102062084B CN 201010600209 CN201010600209A CN102062084B CN 102062084 B CN102062084 B CN 102062084B CN 201010600209 CN201010600209 CN 201010600209 CN 201010600209 A CN201010600209 A CN 201010600209A CN 102062084 B CN102062084 B CN 102062084B
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Abstract
The invention relates to a portable multifunctional vibration noise test analyzer, which is provided with a charge signal acquisition unit, a voltage signal acquisition unit, an integration amplifying unit, a digital deconcentrator, an A/D converter and a power supply, wherein the input end of the integration amplifying unit is connected with a signal output end of the charge signal acquisition unit; the input end of the digital deconcentrator is connected with the signal output end of the integration amplifying unit and the signal output end of the voltage signal acquisition unit respectively; the input end of the A/D converter is connected with the signal output end of the digital deconcentrator respectively and used for converting an analogue signal obtained from the digital deconcentrator into a digital signal and inputting the digital signal into a computer through a USB interface; the input end of the power supply is connected with a 220 V power; and the output end of the power supply is used for providing power for the digital deconcentrator respectively. According to the invention, a high-precision instant test and online analysis can be performed on multiple physical quantities; and the portable multifunctional vibration noise test analyzer provided by the invention has the advantages of high integration level, good safety, and low cost, and is convenient to use, is particularly suitable for the vibration noise test of pump products, general performance test, type test, delivery test and fault detection, and can assist in building an expert system.
Description
Technical field
The invention belongs to a kind of measuring and analysing meter; Particularly relating to a kind of is main with test pump series products vibration noise, and simultaneously can measuring pressure, the portable multi-function vibration and noise test ANALYZER of physical quantitys such as degree of vacuum, temperature, flow, voltage, electric current, rotational speed and torque.
Background technique
The pump series products is widely used in the every field in the national product as main fluid machinery, and in Defence business, is playing the part of extremely important role.Vibration noise is one of the key technical indexes of pump series products; The technical performance, efficient, processing and assembling level and the feature of environmental protection that have reflected product comprehensively; And the pump series products is as main marine auxiliary; Effectively reduce the stealthy performance of sound that its vibration noise level is equipped improving China's national defense, thereby the whole fighting capacity that improves the marine defence equipment of China has great important.Thereby the vibration noise index more and more paid close attention to by the users of the MANUFACTURER of all kinds of pump products, relevant scientific research institutions and pump series products, becomes one of leading indicator of checking and accepting and estimating pump series products performance.
In addition; Vibration noise can the reflected pump series products the overall operation situation; Thereby for the high pump apparatus of crucial degree; Must monitor its operational situation in real time, thereby before breaking down, actively take effective counter measure to avoid the appearance of production accident or the economic loss of effectively avoiding hang-up to cause.One of most important, most advanced means through nowadays the failure cause of the analysis and judgement pump of the vibration performance frequency spectrum of pump series products and failure mode also being become day by day its faut detection.
The test and the monitoring result of pump series products vibration noise often will combine physical quantitys such as temperature, flow, pressure, rotating speed, current of electric and voltage, the real-time motion situation of judgement pump series products that could be instant, and the pump series products carried out trouble analysis.
Summary of the invention
The present invention provides the portable multi-function vibration and noise test that a kind of level of integration is high, easy to use, powerful, testing precision is high ANALYZER for solving the technical problem that exists in the known technology.
The technological scheme that the present invention takes for the technical problem that exists in the solution known technology is: a kind of portable multi-function vibration and noise test ANALYZER includes:
The charge signal collecting unit is used to gather oscillating signal;
The voltage signal acquisition unit is used to gather pressure, noise, temperature and voltage signal;
The integration amplifying unit, input end connects the signal output part of charge signal collecting unit;
The numeral line separator, input end connects the signal output part of integration amplifying unit and the signal output part of voltage signal acquisition unit respectively;
A/D converter, input end connect the signal output part of digital line separator respectively, are used for through USB interface digital signal being imported computer then with being converted into digital signal from the resulting analogue signal of digital line separator;
Power supply, input end connects the 220V power supply, and output terminal is respectively applied for power supply to digital line separator is provided.
Described charge signal collecting unit includes 12 and is used to be placed on the vibration acceleration sensor of gathering the testee oscillating signal on the testee.
Described integration amplifying unit includes input end and links to each other with the charge signal collecting unit respectively, first integral amplifier that output terminal links to each other with digital line separator and second integral amplifier.
Also include the hand push instrument cab; Described hand push instrument cab is provided with the hermetic metal shell that all appts is carried out the good electrical magnetic shielding, and described charge signal collecting unit, voltage signal acquisition unit, integration amplifying unit, A/D converter and power supply all are arranged in the described sealing hand push instrument cab.
The measuring range of described hand push instrument cab is at the radius apart from power supply 50m.
Advantage and good effect that the present invention has are: portable multi-function vibration and noise test ANALYZER of the present invention, the physical quantity of testing many, complete function is powerful; Belonging to a kind of is main with test pump series products vibration noise, and simultaneously can measuring pressure, the multifunctional testing ANALYZER of physical quantitys such as degree of vacuum, temperature, flow, voltage, electric current, rotational speed and torque, can carry out high-precision instant test and on-line analysis to a plurality of physical quantitys; Level of integration is high; Security is good, and is easy to use, cheap; Be particularly suitable for vibration and noise test, traditional performance test, type approval test, delivery test and the faut detection of pump series products, and can assist and set up expert system.
Description of drawings
Fig. 1 is a circuit structure schematic diagram of the present invention.
Label among the figure is respectively:
A-charge signal collecting unit; B-integration amplifying unit; C-digital line separator; D-USB interface; E-A/D converter; F-power supply.
Embodiment
For further understanding summary of the invention of the present invention, characteristics and effect, the following examples of giving an example now, and conjunction with figs. to specify portable multi-function vibration and noise test ANALYZER of the present invention following:
As shown in Figure 1, portable multi-function vibration and noise test ANALYZER of the present invention includes:
Charge signal collecting unit A is used to gather oscillating signal, and described charge signal collecting unit A includes 12 and is used to be placed on the vibration acceleration sensor VAC1～VAC12 that gathers the testee oscillating signal on the testee.
Voltage signal acquisition unit (not shown) is used to gather pressure, noise, temperature and voltage signal.This voltage signal acquisition unit can directly be connected pressure transducer, sound pressure level, temperature transducer, digital rotational speed and torque appearance etc. on the digital line separator, and the signal of being gathered is imported computer through digital line separator and A/D converter.
Adopt charge voltage double input pattern, support the input and the collection of multiple signals such as vibration acceleration, pressure, be applicable to various detections and the test data collection and the analysis of pump series products.
Integration amplifying unit B; Input end connects the signal output part of charge signal collecting unit A; Described integration amplifying unit B includes input end and links to each other with charge signal collecting unit A respectively, first integral amplifier B1 that output terminal links to each other with digital line separator C and second integral amplifier B2.
Numeral line separator C, input end connects the signal output part of integration amplifying unit B and the signal output part of voltage signal acquisition unit respectively;
A/D converter E; Input end connects the signal output part of digital line separator C respectively; Be used for and be converted into digital signal from the resulting analogue signal of digital line separator C; Through USB interface D digital signal is imported computer then, the high-performance D/A transition card that described A/D converter E is total sample frequency 200KHz.
Power supply F, input end connects the 220V power supply, and output terminal is respectively applied for power supply to digital line separator C is provided.
The present invention also includes the hand push instrument cab; Described hand push instrument cab is provided with the hermetic metal shell that all appts is carried out the good electrical magnetic shielding, and described charge signal collecting unit A, voltage signal acquisition unit, integration amplifying unit B, A/D converter E and power supply F all are arranged in the described sealing hand push instrument cab.The measuring range of described hand push instrument cab is at the radius apart from power supply 50m.Hand push instrument cab structure is set, and mobility and Security are good, are convenient under multiple environment such as experimental shop and open air, use.
Portable multi-function vibration and noise test ANALYZER of the present invention; Electric charge, two kinds of signal input modes of voltage have been adopted; The corresponding multiple interfaces of supporting; Can satisfy the input of tens kinds of sensors such as vibration acceleration sensor, pressure transducer, sound pressure level, temperature transducer, digital rotational speed and torque appearance and digital instrument, Highgrade integration can satisfy the requirement of nearly all experimental test of pump apparatus.Built-in multichannel voltage of the present invention and charge signal integrating amplifier; Can carry out the linear amplification of hundred times of one to three rank physical circuit integration and a thousandths to original input signal; Can adjust and revise the input model according to the sensitivity of sensor, make the analogue signal of input have hi-fi.All appts is integrated into one and movably seals in the hand push instrument cab, traverse measurement on a large scale, and the hermetic high duty metal shell of car body had both effectively carried out good electromagnetic shielding to all appts, also was convenient to the way far away transportation of instrument.Integrated 50m copper core axle in the instrument cab, the folding and unfolding cable makes instrument in apart from the radius of power supply 50m, can measure easily.Purchased voltage stabilizing UPS in the instrument cab, guaranteed the Power Supplies Condition of testing installation, made that instrument is unlikely to burn out because of voltage instability or sudden power.Also have between microcomputer in the instrument cab, suitable structures such as Tool Room, the sensor coil of wire, can equip the instrument and the instrument of various tests and maintenance usefulness, satisfy the whole needs of instrument from test, verification to maintenance.Door lock before and after the instrument cab band, 360 ° of four-wheels are adjustable and have the ramp antiskid brake, make the Security of whole instrument and anti-theft capability strengthen greatly.
Portable multi-function vibration and noise test ANALYZER of the present invention is converted into digital signal with various physical quantitys and is input in the microcomputer, and the signal sampling frequency is high; The distortion factor is little; Be quick on the draw fast, cooperate specific data capture card driver and test analysis software, can realize on-line monitoring, record and the analysis in time of said various physical quantitys; Be specially adapted to each item test and the monitoring of product in the pump, also can be used for the pump series products is done trouble analysis or the auxiliary expert system of trouble analysis of setting up.
Claims (4)
1. a portable multi-function vibration and noise test ANALYZER is characterized in that, includes:
Charge signal collecting unit (A) includes 12 and is used to be placed on the vibration acceleration sensor (VAC1～VAC12), be used to gather oscillating signal that gathers the testee oscillating signal on the testee;
The voltage signal acquisition unit is used to gather pressure, noise, temperature and voltage signal;
Integration amplifying unit (B), input end connects the signal output part of charge signal collecting unit (A);
Numeral line separator (C), input end connects the signal output part of integration amplifying unit (B) and the signal output part of voltage signal acquisition unit respectively;
A/D converter (E), input end connects the signal output part of digital line separator (C) respectively, is used for through USB interface (D) digital signal being imported computer then with being converted into digital signal from the resulting analogue signal of digital line separator (C);
Power supply (F), input end connects the 220V power supply, and output terminal is respectively applied for power supply to digital line separator (C) is provided.
2. portable multi-function vibration and noise test ANALYZER according to claim 1; It is characterized in that: described integration amplifying unit (B) includes input end and links to each other with charge signal collecting unit (A) respectively, first integral amplifier (B1) that output terminal links to each other with digital line separator (C) and second integral amplifier (B2).
3. portable multi-function vibration and noise test ANALYZER according to claim 1; It is characterized in that: also include the hand push instrument cab; Described hand push instrument cab is provided with the hermetic metal shell that all appts is carried out the good electrical magnetic shielding, and described charge signal collecting unit (A), voltage signal acquisition unit, integration amplifying unit (B), A/D converter (E) and power supply (F) all are arranged in the described sealing hand push instrument cab.
4. portable multi-function vibration and noise test ANALYZER according to claim 3, it is characterized in that: the measuring range of described hand push instrument cab is at the radius apart from power supply 50m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010600209 CN102062084B (en) | 2010-12-22 | 2010-12-22 | Portable multifunctional vibration noise test analyzer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010600209 CN102062084B (en) | 2010-12-22 | 2010-12-22 | Portable multifunctional vibration noise test analyzer |
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| CN102062084A CN102062084A (en) | 2011-05-18 |
| CN102062084B true CN102062084B (en) | 2012-08-29 |
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| CN 201010600209 Expired - Fee Related CN102062084B (en) | 2010-12-22 | 2010-12-22 | Portable multifunctional vibration noise test analyzer |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104880967A (en) * | 2015-04-13 | 2015-09-02 | 中国农业大学 | Water pump transient signal receiving circuit board |
| CN107269512A (en) * | 2017-07-26 | 2017-10-20 | 青岛海尔股份有限公司 | A kind of compressor noise detection means and its method for detecting compressor noise |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004036395A1 (en) * | 2002-10-17 | 2004-04-29 | Rectuson Co., Ltd. | Stand-alone apparatus for data acquisition and signal processing |
| CN201464092U (en) * | 2009-07-28 | 2010-05-12 | 湖北省电力试验研究院 | Wireless stress tester of hydroelectric generator set |
| CN201934303U (en) * | 2010-12-22 | 2011-08-17 | 天津泵业机械集团有限公司 | Portable multifunctional analyzer for vibration and noise tests |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100707418B1 (en) * | 2003-06-05 | 2007-04-13 | 엘지전자 주식회사 | Linear compressor |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004036395A1 (en) * | 2002-10-17 | 2004-04-29 | Rectuson Co., Ltd. | Stand-alone apparatus for data acquisition and signal processing |
| CN201464092U (en) * | 2009-07-28 | 2010-05-12 | 湖北省电力试验研究院 | Wireless stress tester of hydroelectric generator set |
| CN201934303U (en) * | 2010-12-22 | 2011-08-17 | 天津泵业机械集团有限公司 | Portable multifunctional analyzer for vibration and noise tests |
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| CN102062084A (en) | 2011-05-18 |
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