CN208459147U - Material Testing Machine rate of loading dynamic analysis device - Google Patents
Material Testing Machine rate of loading dynamic analysis device Download PDFInfo
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- CN208459147U CN208459147U CN201820220617.8U CN201820220617U CN208459147U CN 208459147 U CN208459147 U CN 208459147U CN 201820220617 U CN201820220617 U CN 201820220617U CN 208459147 U CN208459147 U CN 208459147U
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Abstract
The utility model discloses a kind of Material Testing Machine rate of loading dynamic analysis devices, belong to Material Testing Machine field, described device includes dynamic force measurement sensor, capture adaptor and dynamic force value analytical equipment, wherein, the Material Testing Machine, dynamic force measurement sensor, capture adaptor and dynamic force value analytical equipment are sequentially connected, the capture adaptor includes immunity module and fast data buffer processing module, and the maximum value of the sampling conversion rate of the capture adaptor is 3000 times/second.The utility model realizes testing machine rate of loading dynamic analysis.
Description
Technical field
The utility model relates to Material Testing Machine fields, particularly relate to a kind of Material Testing Machine rate of loading dynamic analysis dress
It sets.
Background technique
Material Testing Machine is the measurement metal material, nonmetallic materials, machine components, engineering knot under various conditions, environment
Mechanical performance, processing performance, internal flaw and the fine measuring instrument for verifying rotating parts dynamic unbalance amount of structure etc..Material
Testing machine is expected as the most frequently used testing equipment of building material industry, and the quality of quality has been directly influenced to building materials testing data
Accuracy and authority.And the rate of loading of Material Testing Machine influences especially the test data of cement-like block and other building materials samples
For protrusion, this is the common cognition of insider.
Since the measurement of rate of loading belongs to dynamic force measurement scope, technically to load cell, amplification sampling sum number
It is high according to the requirement in processing so never substantial breakthrough.Conventional method completes dynamometry using universal dynamometer table
The data sampling and conversion function of sensor, to complete the dynamic rate of loading analysis of testing machine.But universal dynamometer table
It is not high to sample conversion rate, mostly all in 50 times/second hereinafter, and in order to guarantee stability that instrument show all use software with
The filtering processing of hardware, the data speed of response are greatly decayed, and actual conversion rate can be lower than 20 times/second.Such turn
The requirement of dynamic measurement is much not achieved in throw-over rate.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of Material Testing Machine rate of loading dynamic analysis device,
The utility model realizes testing machine rate of loading dynamic analysis.
It is as follows that the utility model provides technical solution:
A kind of Material Testing Machine rate of loading dynamic analysis device, including dynamic force measurement sensor, capture adaptor
With dynamic force value analytical equipment, wherein the Material Testing Machine, dynamic force measurement sensor, capture adaptor and dynamic force
Value analytical equipment is sequentially connected, and the capture adaptor includes immunity module and fast data buffer processing module, institute
The maximum value for stating the sampling conversion rate of capture adaptor is 3000 times/second.
Further, the capture adaptor further includes excitation bridge die block, acquisition amplification module, simulation numeral change
Mold changing block, sends and receivees module at data processing module.
Further, the capture adaptor and dynamic force value analytical equipment turn R485 module by high speed USB and connect
It connects.
Further, it includes excitation bridge die block, acquisition amplification module, simulation numeral that the high speed USB, which turns R485 module,
Conversion module, sends and receivees module at data processing module.
Further, the dynamic force value analytical equipment is PC machine.
Further, the dynamic force value analytical equipment include real time data processing module and with Dynamic graph technology mould
Block.
The utility model has the following beneficial effects:
The utility model passes through original during dynamic force measurement sensor and capture adaptor acquisition bearing test
Force data calculates real-time rate of loading value by dynamic force value analytical equipment, and the data obtained in this way can more meet
Testing machine actual operating state can really reflect the quality quality of testing machine.Realize testing machine rate of loading dynamic analysis.
Detailed description of the invention
Fig. 1 is Material Testing Machine rate of loading dynamic analysis schematic device.
Specific embodiment
In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, below in conjunction with attached drawing
And specific embodiment is described in detail.
The utility model provides a kind of Material Testing Machine rate of loading dynamic analysis device, as shown in Figure 1, including that dynamic is surveyed
Force snesor 1, capture adaptor 2 and dynamic force value analytical equipment 4, wherein Material Testing Machine, dynamic force measurement sensor 1,
Capture adaptor 2 and dynamic force value analytical equipment 4 are sequentially connected, and capture adaptor includes immunity module and high speed
Data buffering processing module, the maximum value of the sampling conversion rate of capture adaptor are 3000 times/second.
Conventional method completes the data sampling and conversion function of load cell using universal dynamometer table, to complete to try
Test the dynamic rate of loading analysis of machine.But the sampling conversion rate of universal dynamometer table is not high, mostly all 50 times/second with
Under, and in order to guarantee that stability that instrument is shown all uses the filtering processing of software and hardware, the data speed of response is by significantly
Ground decaying, actual conversion rate can be lower than 20 times/second.The requirement of dynamic measurement is much not achieved in such conversion rate.And
And general dynamometer is to directly display instrument, function is only to meet display force value instruction to use.Not only additional function is few, and
And do not have substantially for the function of testing machine test.
The utility model completes the collecting work of testing machine loading force value using the capture adaptor of brand-new scheme.
Capture adaptor is different from general universal dynamometer table, having a single function of capture adaptor, to particular form
Sensor is handled, and data processing is more specialized.Capture adaptor includes immunity module and fast data buffer
Processing module etc. can greatly improve adapter to the rejection ability of interference signal, improve the stability of high speed signal.In addition,
Fast data buffer processing module can utmostly improve the operation efficiency of CPU, so as to improve the real-time number of adapter
According to handling capacity.The dynamic acquisition transfer capability of the utility model adapter can achieve 3000 times/second.
By taking strength of cement mortar pressure testing machine as an example, the test method of the device includes:
Sample is put into fixture, pressure testing machine rate of loading is set, starting Material Testing Machine carries out bearing test, directly
It is destroyed to sample.
One piece of 28 days glue sand sample is put into resistance to compression fixture, by GB/T17671-1999 Test method for strength of hydraulic cement mortar
It is required that setting pressure testing machine rate of loading is 2.4kN/s, until sample destroys, intensity value is starting pressure testing machine
59.8MPa。
Original force data during dynamic force measurement sensor and capture adaptor acquisition bearing test, original force number
According to including each collection point and its corresponding force value.
Dynamic force value analytical equipment is opened, is sequentially completed system parameter setting, module parameter is arranged, sensor parameters are set
It sets, into high speed measurement pattern, setting sampling rate is 30 times/second, opens automatic sampling configuration.Sample is completed entirely to destroy
The data of journey acquire, and obtain original force Value Data, and these data are saved using computer software.Dynamic force measurement sensing
The device speed of response is fast, creep wants small, can guarantee the capture adaptor that dynamic force value can reflect in real time in system
In, the force value of guarantee test machine can rapidly and accurately be transformed to electric signal.
Then, dynamic force value analytical equipment calculates the rate of loading of each collection point according to original force data by formula
Value, i.e., real-time rate of loading value.
Finally, dynamic force value analytical equipment calculates average rate of loading, loading according to the rate of loading value of each collection point
Rate qualification rate and qualified points reflect the quality quality of testing machine；
In conclusion the utility model acquires bearing test process by dynamic force measurement sensor and capture adaptor
In original force data, real-time rate of loading value is calculated by dynamic force value analytical equipment, the data obtained in this way can be more
Add ground Pass Test machine actual operating state, can really reflect the quality quality of testing machine.It is dynamic to realize testing machine rate of loading
State analysis.
Further, rate of loading qualification rate and qualified points are calculated by the following method:
Offset and lower offset on rate of loading are set；
The rate of loading upper limit is calculated according to the rate of loading of the pressure testing machine of setting and upper offset and lower offset
Value and lower limit value；
Collection point number of the rate of loading between upper limit value and lower limit value is counted, qualified points are obtained；
According to qualification points and collection point sum, rate of loading qualification rate is calculated.
Still by taking strength of cement mortar pressure testing machine as an example, the corresponding force value in each collection point and rate of loading are checked,
Obtaining the force value point that rate of loading is stablized within the scope of 2.4kN/s ± 0.2kN/s is 4.8kN, and examination body destroys moment rate of loading
For 1.2kN/s.
In the utility model, capture adaptor is link important in testing machine rate of loading dynamic analysis, it
Success or not directly determines the authenticity and reliability of analysis data.Capture adaptor further include excitation bridge die block,
Acquisition amplification module, data processing module, sends and receivees module at analog-to-digital conversion module.It can be mentioned for load cell
For excitation bridge pressure, acquisition amplification, analog-to-digital conversion, data processing and the function for receiving acquisition instructions and transmission corresponding data
Energy.
Further, capture adaptor 2 and dynamic force value analytical equipment 4 turn R485 module 3 by high speed USB and connect
It connects, it includes excitation bridge die block, acquisition amplification module, analog-to-digital conversion module, data processing mould that high speed USB, which turns R485 module,
Block sends and receivees module.High speed USB turns R485 module can provide excitation bridge pressure, acquisition amplification, simulation for load cell
Digital conversion, data processing and the function of receiving acquisition instructions and transmission corresponding data.
Preferably, dynamic force value analytical equipment is PC machine.
Dynamic force value analytical equipment is the main part of data processing and data management, it adopts data collector adapter
The test data of collection is analyzed, is concluded, is drawn and is recorded as analytical statement in the specific format, retains for further analysis detailed
, valuable first-hand firsthand information, can be saved for numerous researchers a large amount of quality time, reduce many need not
Interminable, uninteresting, the simple repetitive operation wanted, for analyze testing machine dynamic rate of loading project provide one must
Standby tool, it is used in combination with capture adaptor solves the problems, such as Material Testing Machine rate of loading dynamic analysis.
Specifically, dynamic force value analytical equipment is mainly the processing part to dynamic rate of loading data, dynamic processing
Data are divided into real time data part and motion graphics part.
Real time data part is to record by point collected force value into data buffer area, does not allow to lose among this
Several phenomenons occurs.After the completion of experiment, these data are recorded by point in data file as initial data needs as original
Beginning archives data.The format of archive are as follows: initial time, total points of data, maximal force, the average rate of loading sum number of experiment
According to interval time, and whole experimental datas.
Motion graphics are the curves for showing the loading curve and rate of loading of force value during the experiment.This two kinds of figures are
Trendline, they easily can provide the real-time status figure of testing machine for experimenter, have generally to testing machine
Preliminary judgement.After the completion of experiment, experimenter can root
Data interval is chosen according to the requirement of oneself and repaints perfect real-time curve, so that datagraphic is more intuitive complete
Beauty.
After experiment is fully completed, dynamic force value analytical equipment provides data analysis setting, and researcher can be by certainly
Offset and lower offset on oneself requirement setting rate of loading, dynamic force value analytical equipment can calculate the conjunction of rate of loading
Lattice rate and qualified points.
In addition, dynamic force value analytical equipment additionally provides the traversal function of historical data, will easily can remember in the past
The experimental data of record recalls, and can choose, calculate the indices of rate of loading again according to the imagination of oneself.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, under the premise of not departing from principle described in the utility model, several improvements and modifications can also be made, these improvement
It also should be regarded as the protection scope of the utility model with retouching.
Claims (6)
1. a kind of Material Testing Machine rate of loading dynamic analysis device, which is characterized in that adopted including dynamic force measurement sensor, data
Collect adapter and dynamic force value analytical equipment, wherein the Material Testing Machine, dynamic force measurement sensor, capture adaptor
It is sequentially connected with dynamic force value analytical equipment, the capture adaptor includes immunity module and fast data buffer processing
Module, the maximum value of the sampling conversion rate of the capture adaptor are 3000 times/second.
2. Material Testing Machine rate of loading dynamic analysis device according to claim 1, which is characterized in that the data are adopted
Collection adapter further include excitation bridge die block, acquisition amplification module, analog-to-digital conversion module, data processing module, reception and
Sending module.
3. Material Testing Machine rate of loading dynamic analysis device according to claim 2, which is characterized in that the data are adopted
Collection adapter turns R485 module by high speed USB with dynamic force value analytical equipment and connects.
4. Material Testing Machine rate of loading dynamic analysis device according to claim 3, which is characterized in that the high speed
It includes excitation bridge die block, acquisition amplification module, analog-to-digital conversion module, data processing module, reception that USB, which turns R485 module,
And sending module.
5. Material Testing Machine rate of loading dynamic analysis device according to claim 1 to 4, which is characterized in that described
Dynamic force value analytical equipment is PC machine.
6. Material Testing Machine rate of loading dynamic analysis device according to claim 5, which is characterized in that the dynamic force
Value analytical equipment includes real time data processing module and Dynamic graph technology module.
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| CN201820220617.8U CN208459147U (en) | 2018-02-07 | 2018-02-07 | Material Testing Machine rate of loading dynamic analysis device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108469374A (en) * | 2018-02-07 | 2018-08-31 | 中国建材检验认证集团股份有限公司 | Material Testing Machine rate of loading dynamic analysing method and device |
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2018
- 2018-02-07 CN CN201820220617.8U patent/CN208459147U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108469374A (en) * | 2018-02-07 | 2018-08-31 | 中国建材检验认证集团股份有限公司 | Material Testing Machine rate of loading dynamic analysing method and device |
| CN108469374B (en) * | 2018-02-07 | 2024-03-26 | 中国建材检验认证集团股份有限公司 | Method and device for dynamically analyzing loading rate of material testing machine |
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