CN101358894A - Traceable calibration method and calibration device for dynamic characteristic of big pressure sensor - Google Patents
Traceable calibration method and calibration device for dynamic characteristic of big pressure sensor Download PDFInfo
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- CN101358894A CN101358894A CNA2008100793065A CN200810079306A CN101358894A CN 101358894 A CN101358894 A CN 101358894A CN A2008100793065 A CNA2008100793065 A CN A2008100793065A CN 200810079306 A CN200810079306 A CN 200810079306A CN 101358894 A CN101358894 A CN 101358894A
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Abstract
The invention relates to a method of the dynamic characteristic traceability calibration of a high-pressure transducer, and calibration equipment, belonging to the technical field of pressure transducer. The method is as follows: exerting a static pressure on a high-pressure transducer to be calibrated, for realizing a frequency area to be zero frequency traceability calibration; on the basis, exerting an ultra-short pulse motivating pressure, testing the frequency responding characteristic of the high-pressure transducer through a test or a metrologic instrument. The method has the advantages that the method uses a common hydraulic pressure calibration method to realize the dynamic characteristic traceability calibration of the high-pressure transducer; because of adopting a pre-exerting static pressure processing method, the reversed pressure received by the transducer to be tested is reduced, thus effectively protecting the expensive transducer, and the frequency service range of the calibration method is 0-1MHz; the pressure value is as high as 800MPa, the calibration method is advanced, has the creative thought, is worthy of being popularized and learned; the adopted calibration equipment has simple structure, low cost, safe calibration process, no damage to the transducer, high calibration pressure value and wide frequency service range which can cover the zero frequency for traceability calibration, and the calibration equipment is worthy of being adopted and popularized.
Description
One. technical field
The tracing calibrating method of dynamic characteristic of big pressure sensor disclosed by the invention and calibrating installation belong to the pressure transducer technical field; be specifically related to a kind of traceability calibration steps and calibrating installation of dynamic characteristic of big pressure sensor; this method and apparatus can be calibrated the wide band pressure transducer of wide range, can protect pressure transducer effectively in calibration process.
Two. background technology
At present the calibration steps of pressure transducer is a lot, but base measuring pressure amplitude height and the wide collimation technique of frequency band coverage, in the world the progress of making a breakthrough property never.The pressure that several high pressure dynamic calibration apparatus at present commonly used can cover and the situation of frequency range are as follows: a kind of is the calibrating installation of gas shock tube, its frequency band coverage from 100Hz to 800kHz about, but the pressure amplitude is very low.Another kind is the moving target calibrating installation of hydraulic pressure that drops hammer, though the pressure amplitude can reach 1000MPa, the frequency band coverage is too narrow, has only about 1kHz.Some other calibrating installation, as be used for the quick-opening valve device of high pressure dynamic calibration, the pressure signal amplitude of generation can reach 1000MPa, but pulsewidth can only reach Millisecond.Sinusoidal signal class calibrating installation, the pressure amplitude of calibration generally is no more than 50MPa, and the upper frequency limit of calibration is many about 20kHz.The water shock wave pipe calibrating installation of Institutes Of Technology Of Nanjing's development, upper pressure limit reaches 700MPa, and frequency covers the upper limit near 1MHz.The accurate δ pulse matching of the dynamic pressure transducer that Huabei Polytechnical College was once developed system can produce the pressure of 500MPa amplitude, and frequency range is 0～20kHz.This method is because pressure pulsewidth amplitude is very high, the duration is extremely narrow, strong stress oscillation can take place in the sensitive element of sensor and force transferring part, in actual alignment, can cause the diaphragm of piezoelectric sensor, manganese-copper piezoresistance sensor copper-manganese coil phenomenon such as is pulled out by negative stress and is taken place.This be in calibration do not wish to take place.How effectively to protect sensor in calibration process, obviously be a problem demanding prompt solution.Can not take into account high-amplitude duty pressure and wide band defective simultaneously for overcoming other calibration steps, and do not damage sensor when high pressure is calibrated, we have studied calibration steps involved in the present invention and have designed calibrating installation of the present invention.
Three. summary of the invention
The objective of the invention is: tracing calibrating method and calibrating installation that a kind of dynamic characteristic of big pressure sensor is provided to society, the frequency band coverage of calibration steps of the present invention and calibrating installation is wide, pressure amplitude height, the base measuring pressure amplitude of this device is up to 800Mpa, the frequency band coverage is 0～1MHz, can also be to being traced to the source by the school sensor, pressure when the static precompression that applies when calibration is exactly zero-frequency, this pressure applies by piston gage, and the pressure in the time of can be with zero-frequency is traceable to quality criteria and length standard.Owing to adopted the disposal route that adds the static pressure of certain amplitude in advance, reduced the actual reciprocal dynamic pressure that is subjected to of sensor, can protect expensive tested sensor effectively.
Technical scheme of the present invention comprises tracing calibrating method and calibrating installation two parts of dynamic characteristic of big pressure sensor.
The present invention is such about the technical scheme of the tracing calibrating method of big pressure sensor dynamic characteristic: the tracing calibrating method of this dynamic characteristic of big pressure sensor, technical characterstic is: apply a static state at first for the big pressure sensor of calibrating and give pressure, as adopt the calibration of hydraulic pressure machine to add the precompression of a static state to oil pocket, on the basis of the 0 traceability calibration frequently that the big pressure sensor of calibration is realized frequency field, adopt the big pressure sensor of ultra-narrow pulse excitation calibration again, as applying the burst pulse activation pressure for this oil pocket by stress wave bar (Hopkinson bar), by test or gauging instrument, record the dynamic perfromance of this big pressure sensor, promptly the frequency response characteristic of this big pressure sensor realizes the calibration of tracing to the source of its dynamic perfromance.
Tracing calibrating method according to above-described dynamic characteristic of big pressure sensor, technical characterstic also has: the tracing calibrating method of described dynamic characteristic of big pressure sensor is: adopt ultra-narrow pulse to affact the pressure transmission face of this big pressure sensor, encourage this big pressure sensor, by test or gauging instrument, the pumping signal that test precompression and dynamic exciting pulse are synthetic, handle the output signal of pumping signal and big pressure sensor, obtain the frequency response characteristic of this big pressure sensor, characterize and realize its calibration of dynamically tracing to the source by its frequency response characteristic.
According to the tracing calibrating method of above-described dynamic characteristic of big pressure sensor, technical characterstic also has: the tracing calibrating method of described dynamic characteristic of big pressure sensor is: the described ultra-narrow pulse driving source that applies to big pressure sensor is the film flying bump stress ripple bar that adopts plasma accelerator to quicken--driving source of the broadband burst pulse that the Hopkinson bar produces and as the stress wave bar--the stress wave source of Hopkinson bar.Described plasma accelerator can accelerate to 1km/s with the polyester film flying of thick 300 μ m diameter 5mm.The acceleration film flying bump stress ripple bar that this plasma accelerator produces--Hopkinson bar and form the driving source of broadband burst pulse, the ultra-narrow pulse that forms is wide to be 1～5 μ s, its frequency band range is 0～1MHz, can cover the natural frequency of tested big pressure sensor.
According to the tracing calibrating method of above-described dynamic characteristic of big pressure sensor, technical characterstic also has: the tracing calibrating method of described dynamic characteristic of big pressure sensor is: adopt high dynamic strain indicator to measure stress wave signal by the foil gauge that sticks on stress wave bar-Hopkinson bar.Described high dynamic strain indicator adopts public high dynamic strain indicator to get final product, as adopts super dynamic resistance strain instrument etc.
Tracing calibrating method according to above-described dynamic characteristic of big pressure sensor, technical characterstic also has: the tracing calibrating method of described dynamic characteristic of big pressure sensor is: the mutual relationship that adopts the stress wave signal of foil gauge output on pressure wave signal that the piezoresistance sensor that sticks on this big pressure sensor end face records and the stress wave bar-Hopkinson bar, set up the oil pressure chamber and transmit the disperse characteristic of medium the stress wave of Hopkinson rod end surface output, by calculating to this disperse characteristic, obtain the pumping signal of this big pressure sensor, and then obtain the frequency response characteristic of this big pressure sensor.This sets forth the test of the frequency response characteristic of this big pressure sensor, metering way and process clear.
Tracing calibrating method according to above-described dynamic characteristic of big pressure sensor, the detailed technology characteristics also have: the described piezoresistance sensor that sticks on this big pressure sensor end face of a. is a manganese-copper piezoresistance sensor, and it is the high piezoresistance sensor of a kind of frequency response.B. the described foil gauge that sticks on stress wave bar-Hopkinson bar is a strainometer of measuring stress wave signal, is KTH-05-120-DZS-11 as its model.
Tracing calibrating method according to above-described dynamic characteristic of big pressure sensor, technical characterstic also has: the tracing calibrating method of described dynamic characteristic of big pressure sensor is: the change calibration condition can be realized the calibration under distinct pulse widths, the different pressures value, just obtains the frequency response characteristic of this big pressure sensor under distinct pulse widths, different pressures.As on this big pressure sensor, applying a grade inferior precompression (applying the precompression of serial different numerical value), applying the driving source of the burst pulse of distinct pulse widths, just obtain the frequency response characteristic that this big pressure sensor is calibrated under distinct pulse widths, different pressures.
Technical scheme about the calibrating installation of tracing to the source of big pressure sensor dynamic characteristic is such: the calibrating installation of tracing to the source of this dynamic characteristic of big pressure sensor, include the housing of calibrating installation, static state is given pressure source-add precharge (its amplitude can be regulated by the counterweight that changes piston gage) for tested sensor as adopting the 1000MPa piston manometer, pressure transmission medium, the Hopkinson bar, foil gauge, the sampling end that connects with test or gauging instrument is or/and union end and cable thereof, these cables and sampling end thereof, union ends etc. will connect super dynamic resistance strain instrument, copper-manganese sensor stress ga(u)ge, the adaptive amplifier of broadband, instantaneous waveform recorder, computing machine etc.Technical characterstic is: the calibrating installation of tracing to the source of described dynamic characteristic of big pressure sensor also includes: the big pressure sensor that is calibrated, and apply the ultra-narrow pulse driving source of activation pressure again to this big pressure sensor that is calibrated, also have the piezoresistance sensor of the big pressure sensor end face output signal that test or metering be calibrated etc.
According to the calibrating installation of tracing to the source of above-described dynamic characteristic of big pressure sensor, technical characterstic also has: described ultra-narrow pulse driving source is the film flying bump stress ripple bar that plasma accelerator quickens--the driving source of the broadband burst pulse that the Hopkinson bar produces.Described plasma accelerator can accelerate to 1km/s with the polyester film flying of thick 300 μ m diameter 5mm.This plasma accelerator produce acceleration film flying bump stress ripple bar--the Hopkinson bar can form the driving source of broadband burst pulse, the ultra-narrow pulse that forms is wide to be 1～5 μ s, its frequency band range is 0～1MHz, can cover the natural frequency of tested big pressure sensor.
According to the calibrating installation of tracing to the source of above-described dynamic characteristic of big pressure sensor, technical characterstic also has: the described piezoresistance sensor of a. is the manganese-copper piezoresistance sheet.B. the described foil gauge that sticks on stress wave bar-Hopkinson bar is a strainometer of measuring stress wave signal.C. described pressure transmission medium is a glycerine, as high pressure glycerine.
The tracing calibrating method advantage of dynamic characteristic of big pressure sensor of the present invention has: 1. these method characteristics are to realize the calibration of tracing to the source of dynamic characteristic of big pressure sensor with conventional calibration of hydraulic pressure method, and this tracing to the source is the 0 static precompression realization that applies under frequently by in frequency field; 2. on this traces to the source the basis, use the ultra-narrow pulse stimulus sensor, try to achieve the frequency response characteristic of sensor,, think that then the dynamic perfromance of this sensor is through the calibration of tracing to the source if it is enough straight frequently to be played certain highest frequency by the frequency response characteristic of school sensor from 0; 3. owing to adopted the disposal route that adds static pressure in advance, reduce the actual reciprocal dynamic pressure that is subjected to of tested sensor, can protect expensive sensor effectively; 4. calibration steps frequency band coverage is wide, pressure amplitude height, and its base measuring pressure amplitude is up to 800Mpa, and the frequency band coverage is 0～1MHz; 5. the tracing calibrating method advanced person of dynamic characteristic of big pressure sensor of the present invention is the invention of novelty thinking, is worth using for reference and promoting.
The advantage of the calibrating installation of tracing to the source of dynamic characteristic of big pressure sensor of the present invention has: 1. adjustable force value height, and the frequency band coverage is wide; 2. calibration frequency can cover zero-frequency, can trace to the source to being calibrated big pressure sensor; 3 calibrating installations are simple in structure, and are with low cost; 4. calibration operation is simple, and calibration process safety can not damaged sensor.The calibrating installation of tracing to the source of this dynamic characteristic of big pressure sensor is worth adopting and promoting.
Four. description of drawings
Figure of description of the present invention has 2 width of cloth:
Fig. 1 is the calibrating installation synoptic diagram of tracing to the source of dynamic characteristic of big pressure sensor;
Fig. 2 is the test signal process flow diagram of the calibrating installation of tracing to the source of dynamic characteristic of big pressure sensor.
In two figure: 1. plasma accelerator; 2. acceleration film flying; 3.Hopkinson bar; 4. with 6. and 10. cables; 5. with 7. strainometers; 8. high pressure glycerine; 9. the pressure transducer that is calibrated (or aluminium block of subsides copper-manganese sensor); 11. petroleum pipeline; 12.1000MPa piston gage; 13. the support of device; 14. manganese-copper piezoresistance sheet; 15. super dynamic resistance strain instrument; 16. copper-manganese sensor stress ga(u)ge; 17. the adaptive amplifier of broadband; 18. instantaneous waveform recorder; 19. computing machine.
Five. specific embodiments
Non-limiting examples of the present invention is as follows:
Embodiment one. the tracing calibrating method of dynamic characteristic of big pressure sensor and calibrating installation
The tracing calibrating method and the calibrating installation of the dynamic characteristic of big pressure sensor of this embodiment are divided into two parts, the calibrating installation of tracing to the source of first dynamic characteristic of big pressure sensor; It two is tracing calibrating methods of dynamic characteristic of big pressure sensor.
1. the calibrating installation of tracing to the source of dynamic characteristic of big pressure sensor
The concrete structure of the calibrating installation of tracing to the source of the dynamic characteristic of big pressure sensor that this is routine is illustrated by Fig. 1, and Fig. 2 then illustrates the situation of some testing tools that connect with this example calibrating installation or get in touch.This calibrating installation includes the housing of device and the support 13 of device, it is 1000MPa piston manometer 12 that the static state that this example adopts is given pressure source, in order to add precharge (its amplitude can be regulated by the counterweight that changes piston gage 12) for tested sensor 9, pressure transmission medium--high pressure glycerine 8 in this way, Hopkinson bar 3 and the foil gauge that sticks on stress wave bar-Hopkinson bar, foil gauge is a strainometer 5,7 of measuring stress wave signal, is KTH-05-120-DZS-11 as the model that adopts.And the sampling end of test or gauging instrument connection is or/and union end and cable thereof, as cable 4,6,10, these cables and sampling end, union end etc. will connect super dynamic resistance strain instrument 15, copper-manganese sensor stress ga(u)ge 16, the adaptive amplifier 17 of broadband, instantaneous waveform recorder 18, computing machine 19 etc.The calibrating installation of tracing to the source of described dynamic characteristic of big pressure sensor also includes: tested big pressure sensor 9, and apply the ultra-narrow pulse driving source of activation pressure again for this tested big pressure sensor 9, the piezoresistance sensor of tested big pressure sensor 9 end face output signals--manganese-copper piezoresistance sheet 14 etc. are tested or measured to plasma accelerator 1 in addition.Manganese-copper piezoresistance sensor is the high piezoresistance sensor of a kind of frequency response.Described ultra-narrow pulse driving source is the film flying 2 bump stress ripple bars that plasma accelerator 1 quickens--the driving source of the broadband burst pulse that Hopkinson bar 3 produces.This routine plasma accelerator 1 be a kind of employing detonate or method such as laser produce and quicken plasma, can with thick 300 μ m diameter 5mm accelerate to the plasma accelerator of 1km/s attached to the polyester film flying 2 on the film, this plasma accelerator 1 can or be entrusted customized by its function design and manufacture.The film flying 2 that this routine plasma accelerator 1 energy outgoing accelerates to 1km/s removes bump stress ripple bar--Hopkinson bar 3.The acceleration film flying 2 bump stress ripple bars that this routine plasma accelerator 1 produces--Hopkinson bar 3 and form the broadband burst pulse, the ultra-narrow pulse that forms is wide for being 1 μ s or 2.5 μ s or 5 μ s, its frequency span scope is 0～1MHz, can cover the natural frequency of tested big pressure sensor 9.
2. the tracing calibrating method of dynamic characteristic of big pressure sensor
The concrete technical scheme of the tracing calibrating method of these routine big pressure sensor 9 dynamic perfromances is united by Fig. 1 and Fig. 2 and is illustrated, shown in Fig. 1 is the concrete structure figure that the tracing calibrating method of these example big pressure sensor 9 dynamic perfromances is implemented used calibrating installation, and Fig. 2 then illustrates the test signal flow diagram of this example calibration steps.The tracing calibrating method of this big pressure sensor 9 dynamic perfromances is as follows: apply a static state at first for the big pressure sensor that is calibrated and give pressure, apply by piston gage 12 in this way.Pressure when the static precompression that the time applies in calibration is exactly zero-frequency, the pressure in the time of can be with zero-frequency is traceable to quality criteria and length standard, so this method is a tracing calibrating method.Frequently trace to the source on the basis of calibration the big pressure sensor 9 of calibration being realized 0 of frequency fields, adopt the big pressure sensor 9 of ultra-narrow pulse excitation calibration again, as applying the ultra-narrow pulse activation pressure for this oil pocket by stress wave bar (Hopkinson bar 3), transmit and impose on this big pressure sensor 9 by oil pocket by high pressure glycerine 8 again, by test or gauging instrument, record the dynamic perfromance of this big pressure sensor 9, promptly the frequency response characteristic of this big pressure sensor 9 realizes the calibration of tracing to the source of its dynamic perfromance.Described test shown in Figure 2 or gauging instrument have: super dynamic resistance strain instrument 15, copper-manganese sensor stress ga(u)ge 16, the adaptive amplifier 17 of broadband, instantaneous waveform recorder 18 and computing machine 19 etc.Described employing ultra-narrow pulse affacts the pressure transmission face of this big pressure sensor 9, apply the ultra-narrow pulse driving source for exactly the big pressure sensor 9 that is calibrated, this ultra-narrow pulse driving source is the film flying 2 bump stress ripple bars that adopt plasma accelerator 1 to quicken--the stress wave source that Hopkinson bar 3 forms.Described plasma accelerator 1 can accelerate to 1km/s with the polyester film flying 2 of thick 300 μ m diameter 5mm.Stress wave bar--Hopkinson bar 3 is clashed into and the driving source of formation broadband burst pulse by the acceleration film flying 2 that plasma accelerator 1 produces, the ultra-narrow pulse that forms is wide to be 1 μ s or 2.5 μ s or 5 μ s, its frequency span scope is 0～1MHz, can cover the natural frequency of tested big pressure sensor.This ultra-narrow pulse driving source encourages response of this big pressure sensor and autovibration the most at last, by test or gauging instrument, obtains the frequency response characteristic of this big pressure sensor, by its frequency response characteristic table note of the ancient Chinese and realize its calibration of dynamically tracing to the source.Adopting high dynamic strain indicator 15 by sticking on the foil gauge on stress wave bar-Hopkinson bar 3--strainometer 5,7 is measured stress wave signal.Described high dynamic strain indicator 15 adopts public high dynamic strain indicator to get final product, as adopts super dynamic resistance strain instrument etc.The mutual relationship of foil gauge 5 and 7 stress wave signals of exporting on the pressure wave signal that records by the piezoresistance sensor 14 that sticks on this big pressure sensor 9 (or the aluminium block 9 that pastes copper-manganese sensor 14 replaces big pressure sensors 9) end face and the stress wave bar-Hopkinson bar 3, set up the oil pressure chamber and transmit medium--the disperse characteristic of the stress wave of 8 pairs of Hopkinson bar 3 end faces outputs of glycerine, by calculating or metering, obtain the frequency response characteristic of this big pressure sensor to this disperse characteristic.The described piezoresistance sensor 14 that is arranged on these big pressure sensor 9 end faces is manganese-copper piezoresistance sensors, and it is the high piezoresistance sensor of a kind of frequency response.The described foil gauge that sticks on stress wave bar-Hopkinson bar 3 is a strainometer 5,7 of measuring stress wave signal, and its model is KTH-05-120-DZS-11.Test the precompression and the synthetic pumping signal (being input signal) of dynamic exciting pulse of big pressure sensor 9 again by the calibrating installation of tracing to the source of this routine dynamic characteristic of big pressure sensor, handle the output signal of pumping signal and big pressure sensor, record the dynamic perfromance of this big pressure sensor, promptly the frequency response characteristic of this big pressure sensor realizes the calibration of tracing to the source of its dynamic perfromance.This sets forth the test of the frequency response characteristic of this big pressure sensor, metering way and process clear.
Embodiment two. the tracing calibrating method of dynamic characteristic of big pressure sensor and calibrating installation
The tracing calibrating method of the dynamic characteristic of big pressure sensor of this embodiment and calibrating installation are two parts:
1. the calibrating installation of tracing to the source of dynamic characteristic of big pressure sensor
The concrete structure of the calibrating installation of tracing to the source of the dynamic characteristic of big pressure sensor that this is routine is illustrated by Fig. 1, and Fig. 2 then illustrates the situation of some testing tools that connect with this example calibrating installation or get in touch.Among the trace to the source calibrating installation and embodiment one .1. of the dynamic characteristic of big pressure sensor that this is routine there be difference: 1. as adopting the calibration of hydraulic pressure machine to apply the precompression of a static state for the big pressure sensor of calibration by oil pocket; 2. described ultra-narrow pulse driving source is still the film flying 2 that adopts plasma accelerator 1 acceleration, and bump stress ripple bar--Hopkinson bar 3 is as the stress wave source, impose on the big pressure sensor 9 that is calibrated again by pressure transmission medium high pressure glycerine 8, but film flying 2 formation of quickening is the burst pulse activation pressure source of distinct pulse widths (as being chosen as 1.1 μ s or 1.5 μ s or 2 μ s or 2.6 μ s or 3 μ s or 3.5 μ s or 4 μ s or 4.5 μ s or 5 μ s etc.), different frequency, different-energy or Different Dynamic pressure; 3. under 1. and 2. condition, can obtain the frequency response characteristic that this big pressure sensor 9 is calibrated under distinct pulse widths, different pressures.The dynamic characteristic of big pressure sensor that this is routine trace to the source calibrating installation all the other do not state, be same as entirely described in embodiment one .1., no longer repeat.
2. the tracing calibrating method of dynamic characteristic of big pressure sensor
The concrete technical scheme of the tracing calibrating method of these routine big pressure sensor 9 dynamic perfromances is united by Fig. 1 and Fig. 2 and is illustrated, shown in Fig. 1 is the concrete structure figure that the tracing calibrating method of these example big pressure sensor 9 dynamic perfromances is implemented used calibrating installation, and Fig. 2 then illustrates the test signal flow diagram of this example calibration steps.Among the tracing calibrating method of the dynamic characteristic of big pressure sensor that this is routine and embodiment one .2. there be difference: the change calibration condition can be realized the calibration under distinct pulse widths, the different pressures value, just obtains the frequency response characteristic of this big pressure sensor 9 under distinct pulse widths, different pressures.As the driving source of the ultra-narrow pulse that on this big pressure sensor 9, applies a grade inferior precompression (applying the precompression of serial different numerical value), apply distinct pulse widths (as being chosen as 1.1 μ s or 1.5 μ s or 2 μ s or 2.6 μ s or 3 μ s or 3.5 μ s or 4 μ s or 4.5 μ s or 5 μ s etc.), different-energy or Different Dynamic pressure, just obtain the frequency response characteristic that this big pressure sensor is calibrated under distinct pulse widths, different pressures.All the other do not state the tracing calibrating method of the dynamic characteristic of big pressure sensor that this is routine, are same as entirely described in embodiment one .2., no longer repeat.
Embodiment three. the tracing calibrating method of dynamic characteristic of big pressure sensor and calibrating installation
The tracing calibrating method of the dynamic characteristic of big pressure sensor of this embodiment and calibrating installation are two parts:
1. the calibrating installation of tracing to the source of dynamic characteristic of big pressure sensor
The concrete structure of the calibrating installation of tracing to the source of the dynamic characteristic of big pressure sensor that this is routine is illustrated by Fig. 1, and Fig. 2 then illustrates the situation of some testing tools that connect with this example calibrating installation or get in touch.The trace to the source calibrating installation and embodiment one .1. of the dynamic characteristic of big pressure sensor that this is routine, or among embodiment two .1. there be difference: 1. the calibrating installation of tracing to the source of dynamic characteristic of big pressure sensor that should example, and the static state that adopts is given pressure source, the ultra-narrow pulse driving source, piezoresistance sensor, pressure transmission medium, the Hopkinson bar, foil gauge, the sampling end that connects with test or gauging instrument is or/and union end and cable thereof etc., all available public technology designs and manufactures, also can use known, public, commercially available commodity substitute, as long as they can finish all can adopting of its function; 2. test or gauging instruments such as the super dynamic resistance strain instrument that connects with the calibrating installation of tracing to the source of dynamic characteristic of big pressure sensor in should example, copper-manganese sensor stress ga(u)ge, the adaptive amplifier of broadband, instantaneous waveform recorder, computing machine, all available public technology designs, also can use known, public, commercially available commodity to substitute, as long as they can finish all can adopting of its function.The dynamic characteristic of big pressure sensor that this is routine trace to the source calibrating installation all the other do not state, be same as among embodiment one .1. entirely, described in embodiment two .1., no longer repeat.
2. the tracing calibrating method of dynamic characteristic of big pressure sensor
The concrete technical scheme of the tracing calibrating method of these routine big pressure sensor 9 dynamic perfromances is united by Fig. 1 and Fig. 2 and is illustrated, shown in Fig. 1 is the concrete structure figure that the tracing calibrating method of these example big pressure sensor 9 dynamic perfromances is implemented used calibrating installation, and Fig. 2 then illustrates the test signal flow diagram of this example calibration steps.The tracing calibrating method of the dynamic characteristic of big pressure sensor that this is routine and embodiment one .2., among embodiment two .2. there be difference: 1. the calibrating installation and the static state that adopt in should the tracing calibrating method of the described dynamic characteristic of big pressure sensor of example are given pressure source, the ultra-narrow pulse pressure source, piezoresistance sensor, pressure transmission medium, the Hopkinson bar, foil gauge, the sampling end that connects with test or gauging instrument is or/and union end and cable thereof etc., all available public technology designs and manufactures, also can use known, public, commercially available commodity substitute, as long as they can finish all can adopting of its function; 2. test or gauging instrument such as super dynamic resistance strain instrument that adopt, that connect with calibrating installation, copper-manganese sensor stress ga(u)ge, the adaptive amplifier of broadband, instantaneous waveform recorder, computing machine in should the tracing calibrating method of the described dynamic characteristic of big pressure sensor of example, all available public technology designs, also can use known, public, commercially available commodity to substitute, as long as they can finish all can adopting of its function; 3. the concrete operations condition and all available public prior art of rules thereof of each step that adopts in should the tracing calibrating method of the described dynamic characteristic of big pressure sensor of example design, as long as they can finish all can adopting of the described concrete operations condition of each step, rules and function thereof in the tracing calibrating method of this dynamic characteristic of big pressure sensor in accordance with regulations.All the other do not state the tracing calibrating method of the dynamic characteristic of big pressure sensor that this is routine, are same as among embodiment one .2. entirely, described in embodiment two .2., no longer repeat.
Claims (10)
1. the tracing calibrating method of a dynamic characteristic of big pressure sensor, be characterised in that: on the basis of the 0 traceability calibration frequently that the big pressure sensor that is calibrated is realized frequency field, adopt ultra-narrow pulse to encourage this big pressure sensor again, by test or gauging instrument, record the frequency response characteristic of this big pressure sensor, realize the calibration of tracing to the source of its dynamic perfromance.
2. the tracing calibrating method of dynamic characteristic of big pressure sensor according to claim 1, be characterised in that: the tracing calibrating method of described dynamic characteristic of big pressure sensor is: the pressure of employing ultra-narrow pulse affacts the pressure transmission face of this big pressure sensor, encourage this big pressure sensor, by test or gauging instrument, obtain the frequency response characteristic of this big pressure sensor.
3. the tracing calibrating method of dynamic characteristic of big pressure sensor according to claim 1, be characterised in that: the tracing calibrating method of described dynamic characteristic of big pressure sensor is: the described driving source that applies ultra-narrow pulse to big pressure sensor--driving source of the broadband burst pulse that the Hopkinson bar produces is also made the stress wave bar--the stress wave source of Hopkinson bar that is the film flying bump stress ripple bar that is quickened by plasma accelerator.
4. the tracing calibrating method of dynamic characteristic of big pressure sensor according to claim 1, be characterised in that: the tracing calibrating method of described dynamic characteristic of big pressure sensor is: adopt high dynamic strain indicator to measure stress wave signal by the foil gauge that sticks on stress wave bar-Hopkinson bar.
5. the tracing calibrating method of dynamic characteristic of big pressure sensor according to claim 1, be characterised in that: the tracing calibrating method of described dynamic characteristic of big pressure sensor is: the mutual relationship that adopts the stress wave signal of foil gauge output on pressure wave signal that the piezoresistance sensor stick on this big pressure sensor end face records and the stress wave bar-Hopkinson bar, set up the oil pressure chamber and transmit the disperse characteristic of medium the stress wave of Hopkinson rod end surface output, by calculating, obtain the pumping signal of this big pressure sensor to this disperse characteristic.
6. according to the tracing calibrating method of claim 4 or 5 described dynamic characteristic of big pressure sensor, be characterised in that:
A. the described piezoresistance sensor that sticks on this big pressure sensor end face is a manganese-copper piezoresistance sensor;
B. the described foil gauge that sticks on stress wave bar-Hopkinson bar is a strainometer of measuring stress wave signal.
7. the tracing calibrating method of dynamic characteristic of big pressure sensor according to claim 1, be characterised in that: the tracing calibrating method of described dynamic characteristic of big pressure sensor is: the change calibration condition can be realized the calibration under distinct pulse widths, the different pressures value, just obtains the frequency response characteristic of this big pressure sensor under distinct pulse widths, different pressures.
8. the calibrating installation of tracing to the source of a dynamic characteristic of big pressure sensor, the sampling end that housing, the static state that includes calibrating installation gives pressure source, pressure transmission medium, Hopkinson bar, foil gauge, connect with test or gauging instrument or/and union end and cable thereof be characterised in that: the calibrating installation of tracing to the source of described dynamic characteristic of big pressure sensor also includes: ultra-narrow pulse pressure source, piezoresistance sensor, by the school big pressure sensor.
9. the calibrating installation of tracing to the source of dynamic characteristic of big pressure sensor according to claim 8 is characterised in that: described ultra-narrow pulse driving source is the film flying bump stress ripple bar that plasma accelerator quickens--the driving source of the broadband burst pulse that the Hopkinson bar produces.
10. the calibrating installation of tracing to the source of dynamic characteristic of big pressure sensor according to claim 8 is characterised in that:
A. described piezoresistance sensor is the manganese-copper piezoresistance sheet;
B. described foil gauge is a strainometer of measuring stress wave signal;
C. described pressure transmission medium is a glycerine.
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101598619B (en) * | 2009-06-30 | 2011-03-23 | 中北大学 | Pressure sensor acceleration effect calibrating method and calibrating device |
| CN102735398A (en) * | 2012-07-16 | 2012-10-17 | 西北核技术研究所 | Mass block impulse calibration device and method based on Hopkinson |
| RU2466368C1 (en) * | 2011-04-04 | 2012-11-10 | Государственное образовательное учреждение высшего профессионального образования "Южно-Уральский государственный университет" | Method of determining dynamic characteristics of tensometric pressure transducer (versions) |
| CN103649708A (en) * | 2011-06-09 | 2014-03-19 | 斯奈克玛 | Device for classifying strain gauges |
| CN103868647A (en) * | 2014-04-03 | 2014-06-18 | 中国兵器工业第二0二研究所 | Dynamic calibration device of measuring sensor of breech pressure of artillery |
| CN106153249A (en) * | 2016-05-28 | 2016-11-23 | 中国航空工业集团公司北京长城计量测试技术研究所 | One can be traced to the source liquid sinusoidal pressure calibrating installation |
| CN106546379A (en) * | 2015-09-22 | 2017-03-29 | 南京理工大学 | For the integrated apparatus that quiet dynamic force in situ is demarcated |
| CN107800443A (en) * | 2017-11-06 | 2018-03-13 | 中北大学 | RF passive resonance sensor characteristic solution adjusts translation circuit |
| CN108120553A (en) * | 2017-12-15 | 2018-06-05 | 芜湖致通汽车电子有限公司 | A kind of pressure sensor detecting system |
| CN110207863A (en) * | 2019-06-04 | 2019-09-06 | 北京化工大学 | Improve the method and system of nanometer resistance-type mechanics sensor stability |
| CN110208577A (en) * | 2019-07-12 | 2019-09-06 | 北京航天计量测试技术研究所 | A kind of structure excited by impact and calibrating installation of shock accelerometer calibrating installation |
| CN110849541A (en) * | 2019-11-28 | 2020-02-28 | 中国航空工业集团公司北京长城计量测试技术研究所 | High and low temperature pulsating pressure tracing method and device |
| CN110849313A (en) * | 2018-12-26 | 2020-02-28 | 中国航空工业集团公司北京长城计量测试技术研究所 | Strain gauge dynamic calibration method and device based on non-contact scanning measurement |
| CN111220323A (en) * | 2019-11-08 | 2020-06-02 | 中北大学 | Pressure sensor calibrating device |
| CN111678639A (en) * | 2020-06-18 | 2020-09-18 | 中国人民解放军国防科技大学 | Free field pressure sensor dynamic sensitivity coefficient calibration device |
| CN112284614A (en) * | 2020-11-08 | 2021-01-29 | 中国航空工业集团公司北京长城计量测试技术研究所 | Positive step force generator |
| CN112393844A (en) * | 2020-12-08 | 2021-02-23 | 中国石油天然气集团有限公司 | Method for measuring weak mud pulse pressure wave under high vertical pressure |
-
2008
- 2008-08-26 CN CNA2008100793065A patent/CN101358894A/en active Pending
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101598619B (en) * | 2009-06-30 | 2011-03-23 | 中北大学 | Pressure sensor acceleration effect calibrating method and calibrating device |
| RU2466368C1 (en) * | 2011-04-04 | 2012-11-10 | Государственное образовательное учреждение высшего профессионального образования "Южно-Уральский государственный университет" | Method of determining dynamic characteristics of tensometric pressure transducer (versions) |
| CN103649708A (en) * | 2011-06-09 | 2014-03-19 | 斯奈克玛 | Device for classifying strain gauges |
| CN102735398A (en) * | 2012-07-16 | 2012-10-17 | 西北核技术研究所 | Mass block impulse calibration device and method based on Hopkinson |
| CN102735398B (en) * | 2012-07-16 | 2014-04-16 | 西北核技术研究所 | Mass block impulse calibration method based on Hopkinson |
| CN103868647A (en) * | 2014-04-03 | 2014-06-18 | 中国兵器工业第二0二研究所 | Dynamic calibration device of measuring sensor of breech pressure of artillery |
| CN103868647B (en) * | 2014-04-03 | 2016-08-17 | 中国兵器工业第二0二研究所 | A kind of cannon breech pressure measures the dynamic calibration apparatus of sensor |
| CN106546379A (en) * | 2015-09-22 | 2017-03-29 | 南京理工大学 | For the integrated apparatus that quiet dynamic force in situ is demarcated |
| CN106153249B (en) * | 2016-05-28 | 2019-09-27 | 中国航空工业集团公司北京长城计量测试技术研究所 | One kind can trace to the source liquid sinusoidal pressure calibrating installation |
| CN106153249A (en) * | 2016-05-28 | 2016-11-23 | 中国航空工业集团公司北京长城计量测试技术研究所 | One can be traced to the source liquid sinusoidal pressure calibrating installation |
| CN107800443A (en) * | 2017-11-06 | 2018-03-13 | 中北大学 | RF passive resonance sensor characteristic solution adjusts translation circuit |
| CN107800443B (en) * | 2017-11-06 | 2020-02-18 | 中北大学 | Radio frequency passive resonance sensing characteristic demodulation and conversion circuit |
| CN108120553A (en) * | 2017-12-15 | 2018-06-05 | 芜湖致通汽车电子有限公司 | A kind of pressure sensor detecting system |
| CN110849313A (en) * | 2018-12-26 | 2020-02-28 | 中国航空工业集团公司北京长城计量测试技术研究所 | Strain gauge dynamic calibration method and device based on non-contact scanning measurement |
| CN110207863A (en) * | 2019-06-04 | 2019-09-06 | 北京化工大学 | Improve the method and system of nanometer resistance-type mechanics sensor stability |
| CN110208577A (en) * | 2019-07-12 | 2019-09-06 | 北京航天计量测试技术研究所 | A kind of structure excited by impact and calibrating installation of shock accelerometer calibrating installation |
| CN111220323A (en) * | 2019-11-08 | 2020-06-02 | 中北大学 | Pressure sensor calibrating device |
| CN110849541A (en) * | 2019-11-28 | 2020-02-28 | 中国航空工业集团公司北京长城计量测试技术研究所 | High and low temperature pulsating pressure tracing method and device |
| CN110849541B (en) * | 2019-11-28 | 2021-07-06 | 中国航空工业集团公司北京长城计量测试技术研究所 | High and low temperature pulsating pressure tracing method and device |
| CN111678639A (en) * | 2020-06-18 | 2020-09-18 | 中国人民解放军国防科技大学 | Free field pressure sensor dynamic sensitivity coefficient calibration device |
| CN112284614A (en) * | 2020-11-08 | 2021-01-29 | 中国航空工业集团公司北京长城计量测试技术研究所 | Positive step force generator |
| CN112393844A (en) * | 2020-12-08 | 2021-02-23 | 中国石油天然气集团有限公司 | Method for measuring weak mud pulse pressure wave under high vertical pressure |
| CN112393844B (en) * | 2020-12-08 | 2022-02-08 | 中国石油天然气集团有限公司 | Method for measuring weak mud pulse pressure wave under high vertical pressure |
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