CN103528739B - Impulse testing system - Google Patents
Impulse testing system Download PDFInfo
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- CN103528739B CN103528739B CN201310455135.2A CN201310455135A CN103528739B CN 103528739 B CN103528739 B CN 103528739B CN 201310455135 A CN201310455135 A CN 201310455135A CN 103528739 B CN103528739 B CN 103528739B
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Abstract
The invention discloses an impulse testing system, which comprises a pressure sensor and/or a displacement sensor, a data acquisition device and an impulse testing device, wherein the data acquisition device is used for receiving pressure information, generating first timed triggering information when the pressure sensor senses the pressure information, generating second timed triggering information when the pressure sensor stops sensing the pressure information, and/or receiving position information, generating third timed triggering information when the displacement sensor senses the position information and generating fourth timed triggering information when the displacement sensor stops sensing the position information; the impulse testing device comprises a timing unit and a processing unit, wherein the timing unit is used for obtaining timing information and the processing unit is used for calculating an impulse value according to the timing information and the pressure information or the position information. The impulse testing system provided by the invention has the advantages the automatic processing can be realized to obtain the impulse, the automatic degree is high, the manual calculation at a later stage is not required, the result is directly obtained, the interference of human factors is avoided and the accuracy of the testing result is guaranteed.
Description
Technical field
The present invention relates to momentum measuring technology, particularly a kind of momentum test macro.
Background technology
Momentum weighs shock load to one of parameter of the shell structure mechanics effects such as container.Current momentum test mode has impact arrangement.The momentum be subject to transfers to for gravitional force by it, and amplitude of fluctuation can describe the size of momentum to be measured intuitively.Its volume is comparatively large, design, processing and data processing complex.In addition, the barycenter of pendulum is difficult to accurately determine, the accuracy impact of this quantitative determination that liquidates is larger.
Therefore the accuracy of momentum test macro is technical matters urgently to be resolved hurrily.
Summary of the invention
In view of this, the present invention proposes a kind of momentum test macro guaranteeing accuracy of measurement, and it comprises: for sensing the pressure transducer of the pressure information of shock load, and/or, for sensing the displacement transducer of the positional information of shock load; Data collector, for receiving described pressure information and in described pressure sensor senses to generating the first timing trigger message during pressure information, and stops generating the second timing trigger message when sensing pressure information at described pressure transducer; And/or, for receiving described positional information and generating the 3rd timing trigger message when institute's displacement sensors senses positional information, and generate the 4th timing trigger message when institute's displacement sensors stops sensing positional information; Momentum proving installation, comprises timing unit and processing unit; Described timing unit is used for starting timing when receiving described first timing trigger message or the 3rd timing trigger message, and stops timing when receiving described second timing trigger message or the 4th timing trigger message, obtains clocking information; Described processing unit is used for obtaining momentum value according to described clocking information and described pressure information or positional information calculation.
Further, described momentum proving installation also comprises the selection unit be connected with described processing unit signal, information and the second mode selecting information is selected for receiving first mode, described first mode is selected information to be used to indicate described processing unit and is calculated described momentum value according to pressure information, and described second mode selecting information is used to indicate described processing unit and obtains described momentum value according to positional information calculation.
Further, described momentum proving installation also comprises the display unit be connected with described processing unit, for showing the corresponding relation curve map of described pressure information and clocking information.
Further, described display unit is also for showing the corresponding relation curve map of described positional information and clocking information.
Further, described display unit is also for showing the corresponding relation curve map of velocity information that described processing unit calculates according to described positional information and clocking information and clocking information.
Further, described momentum proving installation also comprises the display unit be connected with described processing unit, for showing the corresponding relation curve map of described positional information and clocking information.
Further, described display unit is also for showing the corresponding relation curve map of velocity information that described processing unit calculates according to described positional information and clocking information and clocking information.
Further, described momentum proving installation also comprises storage unit, for storing the corresponding relation of described pressure information and clocking information, and/or, store the corresponding relation of velocity information that the corresponding relation of described positional information and clocking information and described processing unit calculate according to described positional information and clocking information and clocking information.
Further, institute's displacement sensors is stay-supported type displacement sensor.
Further, institute's displacement sensors is ultrasonic type displacement transducer or inductive displacement transducer.
Momentum test macro of the present invention by impact start and at the end of carry out timing by the automatic triggering timing unit of data collector, and momentum proving installation according to the database preparation of data collector to obtain momentum, automaticity is high, manually calculate without the need to the later stage, direct acquisition result, avoid interference from human factor, guarantee the accuracy of test result.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
The structural representation of the momentum test macro that Fig. 1 provides for the embodiment of the present invention.
Embodiment
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
The structural representation of the momentum test macro that Fig. 1 provides for the embodiment of the present invention, as shown in Figure 1, the present embodiment momentum test macro can comprise: pressure transducer 11, for sensing the pressure information (namely being impacted the impact that is subject to of object) of shock load, its range does different choice according to shock load (impact object); Displacement transducer 13, for sensing the positional information (namely impact process impacts the displacement change that object occurs) of shock load; Data collector 15, for receiving pressure information (namely impacting the continuous stress value of object in impact process) and generating the first timing trigger message when pressure transducer 11 senses pressure information, and stop generating the second timing trigger message when sensing pressure information at pressure transducer 11; With, for receiving above-mentioned positional information and generating the 3rd timing trigger message when displacement transducer 13 senses positional information, and generate the 4th timing trigger message when displacement transducer 13 stops sensing positional information; Momentum proving installation 17, comprises timing unit 171 and processing unit 173; Timing unit 171 is for starting timing when receiving the first timing trigger message or the 3rd timing trigger message, and stop timing when receiving the second timing trigger message or the 4th timing trigger message, and then obtain clocking information (i.e. impact process time); Processing unit 173 is for obtaining momentum value according to clocking information and pressure information or positional information calculation.
The principle of work of above-mentioned momentum test macro is summarized as follows: when adopting according to pressure information determination momentum value, the integration of the clocking information t (this clocking information is the time interval that timing unit 171 receives the first timing trigger message and the second timing trigger message) that the pressure information F that processing unit 173 calculates data collector 15 transmission determines relative to timing unit 171, is momentum value I=∫ Fdt; When adopting according to positional information determination momentum value, first processing unit 173 calculates positional information that data collector 15 sends and the clocking information t that determines of timing unit 171, and (this clocking information is the time interval that timing unit 171 receives the 3rd timing trigger message and the 4th timing trigger message, as obtain the moment of voltage rise when pressure transducer is hit to impact complete voltage steady time precise time) business, obtain impact velocity amount Δ v, for known impact object, I=F Δ t=Δ P=m Δ v is utilized to calculate buckles.
Described from above-mentioned principle of work, can carry out calculating momentum value according to any one in pressure transducer 11 and displacement transducer 13, can select according to actual conditions during concrete operations, as can be adopted the mode of displacement transducer 13 when the pressure suffered by shock load is larger, the mode of displacement transducer 13 can be adopted when pressure is little.Be understandable that, in the present embodiment, momentum test macro is provided with pressure transducer 11 and displacement transducer 13, during concrete operations, any one in pressure transducer 11 and displacement transducer 13 also can be set, arrange both in any one time, data collector 15, timing unit 171 and processing unit 173 carry out corresponding operating according to pressure transducer 11 or displacement transducer 13, during as only arranged pressure transducer 11, data collector 15, for receiving pressure information and generating the first timing trigger message and the second timing trigger message, receiving position information can be not used in and generate the 3rd timing trigger message and the 4th timing trigger message, timing unit 171 for starting timing when receiving the first timing trigger message, and stops timing when receiving the second timing trigger message, processing unit 173 is for obtaining momentum value according to clocking information and pressure information.When being in like manner applicable to only arrange displacement transducer 13, repeat no more.
During concrete operations, above-mentioned data collector 15 can be data collecting card; Above-mentioned momentum proving installation 17 can based on labvIEW or VC++ environment exploitation, and correspondingly, timing unit 171 can be the inner integrated timing module of above-mentioned development environment; Displacement transducer is 13 can be stay-supported type displacement sensor, ultrasonic type displacement transducer or inductive displacement transducer etc.
Preferably, select according to actual needs to carry out impulse calculation according to pressure transducer 11 or displacement transducer 13 for the ease of operating personnel, momentum proving installation 17 can also comprise the selection unit 175 be connected with processing unit signal 173, information and the second mode selecting information is selected for receiving first mode, first mode is selected information to be used to indicate processing unit 173 and is calculated momentum value according to pressure information, and the second mode selecting information is used to indicate processing unit and obtains momentum value according to positional information calculation.
Preferably, momentum proving installation also comprises display unit 179, one or more for what show in the corresponding relation curve map of velocity information that the corresponding relation curve map of the corresponding relation curve map of pressure information and clocking information, positional information and clocking information, processing unit 173 calculate according to positional information and clocking information and clocking information, thus realizing the display of the time of impact process, instantaneous stressed, instantaneous velocity and momentum, convenient operation person analyzes.
Preferably, momentum proving installation also comprises storage unit 177, one or more for what store in the corresponding relation of velocity information that the corresponding relation of the corresponding relation of pressure information and clocking information, positional information and clocking information and processing unit 173 calculate according to positional information and clocking information and clocking information, thus realizing the storage of the time of impact process, instantaneous stressed, instantaneous velocity and momentum, convenient operation person carries out subsequent analysis and data are extracted.
The present embodiment by impact start and at the end of carry out timing by the automatic triggering timing unit of data collector, and momentum proving installation according to the database preparation of data collector to obtain momentum, automaticity is high, manually calculate without the need to the later stage, direct acquisition result, avoid interference from human factor, guarantee the accuracy of test result; The setting of pressure transducer and displacement transducer is convenient to select according to actual needs, simple and convenient, the not requirement of test macro impact loading, at utmost can adapt to various working and multiple tested object, is convenient to promote on a large scale; Can automatically preserve for post analysis reference by the data arranging this test macro collection of storage unit; This test macro is integrated with many kinds of parameters test function, can measure and show that the time of impact process, stressed waveform, velocity variations waveform, instant (instantaneous) speed, instant (instantaneous) are stressed, stage momentum etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a momentum test macro, is characterized in that, comprising:
For sensing the pressure transducer of the pressure information of shock load, and/or, for sensing the displacement transducer of the positional information of shock load;
Data collector, for receiving described pressure information and in described pressure sensor senses to generating the first timing trigger message during pressure information, and stops generating the second timing trigger message when sensing pressure information at described pressure transducer; And/or, for receiving described positional information and generating the 3rd timing trigger message when institute's displacement sensors senses positional information, and generate the 4th timing trigger message when institute's displacement sensors stops sensing positional information;
Momentum proving installation, comprises timing unit and processing unit; Described timing unit is used for starting timing when receiving described first timing trigger message or the 3rd timing trigger message, and stops timing when receiving described second timing trigger message or the 4th timing trigger message, obtains clocking information; Described processing unit is used for obtaining momentum value according to described clocking information and described pressure information or positional information calculation.
2. momentum test macro according to claim 1, it is characterized in that, described momentum proving installation also comprises the selection unit be connected with described processing unit signal, information and the second mode selecting information is selected for receiving first mode, described first mode is selected information to be used to indicate described processing unit and is calculated described momentum value according to pressure information, and described second mode selecting information is used to indicate described processing unit and obtains described momentum value according to positional information calculation.
3. momentum test macro according to claim 2, is characterized in that, described momentum proving installation also comprises the display unit be connected with described processing unit, for showing the corresponding relation curve map of described pressure information and clocking information.
4. momentum test macro according to claim 3, is characterized in that, described display unit is also for showing the corresponding relation curve map of described positional information and clocking information.
5. momentum test macro according to claim 4, is characterized in that, described display unit is also for showing the corresponding relation curve map of velocity information that described processing unit calculates according to described positional information and clocking information and clocking information.
6. momentum test macro according to claim 1, is characterized in that, described momentum proving installation also comprises the display unit be connected with described processing unit, for showing the corresponding relation curve map of described positional information and clocking information.
7. momentum test macro according to claim 6, is characterized in that, described display unit is also for showing the corresponding relation curve map of velocity information that described processing unit calculates according to described positional information and clocking information and clocking information.
8. momentum test macro according to claim 1 and 2, it is characterized in that, described momentum proving installation also comprises storage unit, for storing the corresponding relation of described pressure information and clocking information, and/or, store the corresponding relation of velocity information that the corresponding relation of described positional information and clocking information and described processing unit calculate according to described positional information and clocking information and clocking information.
9. momentum test macro according to claim 1 and 2, is characterized in that, institute's displacement sensors is stay-supported type displacement sensor.
10. momentum test macro according to claim 1 and 2, is characterized in that, institute's displacement sensors is ultrasonic type displacement transducer or inductive displacement transducer.
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| CN201310455135.2A CN103528739B (en) | 2013-09-29 | 2013-09-29 | Impulse testing system |
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| CN201310455135.2A CN103528739B (en) | 2013-09-29 | 2013-09-29 | Impulse testing system |
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| CN103528739A CN103528739A (en) | 2014-01-22 |
| CN103528739B true CN103528739B (en) | 2015-07-08 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104764551B (en) * | 2015-04-14 | 2017-08-04 | 南京理工大学 | A kind of unbalance dynamic momentum test device |
| CN108181041A (en) * | 2018-01-17 | 2018-06-19 | 蚌埠市龙子湖区金力传感器厂 | A kind of force snesor moment strained detection device |
| CN107993548B (en) * | 2018-02-01 | 2020-11-13 | 福建中医药大学 | Percussion training equipment |
| CN111624524A (en) * | 2019-02-27 | 2020-09-04 | 郑州宇通客车股份有限公司 | Plug-pull test method and plug-pull test device |
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| CN103091020A (en) * | 2011-11-01 | 2013-05-08 | 上海工程技术大学 | Detection method and detection device for impact energy of hydraulic breaking hammer |
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| US6904386B2 (en) * | 2002-10-07 | 2005-06-07 | Honeywell International Inc. | Control system and method for detecting plugging in differential pressure cells |
| JP4748415B2 (en) * | 2005-07-29 | 2011-08-17 | 独立行政法人産業技術総合研究所 | Method and system for detecting impact on inner wall of container |
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| CN101201280A (en) * | 2006-12-11 | 2008-06-18 | 财团法人工业技术研究院 | Collision detecting device, collision detecting method as well as robot and suction cleaner using the same |
| CN201340318Y (en) * | 2008-12-08 | 2009-11-04 | 西南石油大学 | Performance testing device for geophysical prospecting impactor |
| CN103048074A (en) * | 2011-10-11 | 2013-04-17 | 中国石油化工股份有限公司 | Performance testing device and testing method for petroleum drilling impact device |
| CN103091020A (en) * | 2011-11-01 | 2013-05-08 | 上海工程技术大学 | Detection method and detection device for impact energy of hydraulic breaking hammer |
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