CN201852708U - Data acquisition and processing system for automotive body-in-white (BIW) static stiffness test - Google Patents
Data acquisition and processing system for automotive body-in-white (BIW) static stiffness test Download PDFInfo
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- CN201852708U CN201852708U CN2010205739093U CN201020573909U CN201852708U CN 201852708 U CN201852708 U CN 201852708U CN 2010205739093 U CN2010205739093 U CN 2010205739093U CN 201020573909 U CN201020573909 U CN 201020573909U CN 201852708 U CN201852708 U CN 201852708U
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Abstract
The utility model discloses a data acquisition and processing system for an automotive body-in-white (BIW) static stiffness test, which comprises a data acquisition unit, a calculating unit and a control unit. The data acquisition unit is used for acquiring displacement data obtained by displacement measuring components which are arranged on the test points of the BIW and acting force data applied to the BIW by a loading system; the calculating unit is connected with the data acquisition unit and used for calculating BIW static stiffness data according to the displacement data and the acting force data; the control unit is connected with the data acquisition unit and the loading system, wherein the control unit is used for controlling the acting force applied to the BIW by the loading system in real time according to the acting force data acquired by the data acquisition unit so as to reach a preset value, and instructing the data acquisition unit to acquire the displacement data when the preset value is reached. The data acquisition and processing system has the advantages of reliable service performance, fast and accurate data acquisition and processing, is suitable for testing different types of automobile and can more accurately assure the trueness and reliability of the final data of BIW static stiffness.
Description
[technical field]
The utility model relates to the quiet rigidity test technical field of automobile body-in-white, relates in particular to a kind of data acquisition processing system that is used for the quiet rigidity test of automobile body-in-white.
[background technology]
The quiet rigidity index of automobile body-in-white generally comprises bending stiffness, torsional rigidity, automobile body-in-white torsional rigidity wherein can be weighed by the indexs such as diagonal line variable quantity at automobile body-in-white torsion angle, each side door hole and each tail-gate hole, and the bending stiffness of automobile body-in-white then can be weighed by the deflection before and after the automobile body-in-white.Therefore, the quiet rigidity of automobile body-in-white is to estimate the important indicator of vehicle designed reliability and car load security performance etc., then is one of requisite key link in car load development and Design process at the torsional rigidity analysis and the Bending Stiffness Analysis of automobile body-in-white.
In order to obtain the quiet rigidity data of automobile body-in-white quickly and accurately, just must in the quiet rigidity test process of automobile body-in-white, gather and handle force data and the corresponding displacement delta data of each test point under this acting force effect that is applied on the automobile body-in-white effectively.Yet, owing in above test process, will relate to the real-time collection and the processing work of treatment of numerous power, displacement data unavoidablely, therefore with regard to the data acquisition processing system in the quiet rigidity test of existing automobile body-in-white, continue, guarantee reliably accuracy, the consistance of these significant datas then to exist sizable difficulty as need.
And, in ideal conditions, in the quiet rigidity test process of automobile body-in-white, also should consider preferably and automobile body-in-white to be applied between the loading system of acting force and form feedback mechanism, obtain power and displacement data under the desirable slave mode so that can more accurately control the required acting force that applies, this is vital for the authenticity of the quiet rigidity data of body in white that finally obtains and reliability.Therefore, be necessary the data acquisition processing system in the quiet rigidity test of existing automobile body-in-white is improved design in fact.
[utility model content]
In view of this, the purpose of this utility model is to provide a kind of data acquisition processing system that is used for the quiet rigidity test of automobile body-in-white easy to use, stable and reliable for performance, thereby can solve the above-mentioned problems in the prior art effectively, so that can satisfy the collection of the quiet rigidity test data of automobile body-in-white better and handle needs.
For realizing above-mentioned utility model purpose, the utility model has adopted following technical scheme:
A kind of data acquisition processing system that is used for the quiet rigidity test of automobile body-in-white, it comprises:
Data acquisition unit, it is used to gather the displacement data that obtains by the displacement measurement parts that are arranged in each test point place of body in white and puts on force data on the body in white by loading system;
Computing unit, it is connected with described data acquisition unit, is used for calculating the quiet rigidity data of body in white according to described displacement data and force data; And
Control module, it is connected with loading system with described data acquisition unit, be used for coming the described loading system of real-time monitoring to put on the amount of force on the body in white, and when it reaches preset value, indicate described data acquisition unit to gather described displacement data so that it reaches preset value according to the described force data that collects from described data acquisition unit.
At the above-mentioned data acquisition processing system that is used for the quiet rigidity test of automobile body-in-white, preferably, described data acquisition processing system also comprises the drawing unit, and it is connected with described computing unit, is used for drawing out the quiet stiffness curve of body in white according to described displacement data and force data.
At the above-mentioned data acquisition processing system that is used for the quiet rigidity test of automobile body-in-white, preferably, described data acquisition unit is a data collecting card.
At the above-mentioned data acquisition processing system that is used for the quiet rigidity test of automobile body-in-white, preferably, described control module is a data collecting card.
At the above-mentioned data acquisition processing system that is used for the quiet rigidity test of automobile body-in-white, preferably, described loading system comprises at least one motor, and its running speed is subjected to described control module control.
In addition, the utility model has also adopted following technical scheme to realize above-mentioned utility model purpose:
A kind of data acquisition processing system that is used for the quiet rigidity test of automobile body-in-white, it comprises:
Data acquisition unit, it is used to gather the displacement data that obtains by the displacement measurement parts that are arranged in each test point place of body in white;
Control module, it is connected with described data acquisition unit and to the loading system that body in white applies acting force, be used for coming the described loading system of real-time monitoring to put on the amount of force on the body in white, and when it reaches preset value, indicate described data acquisition unit to gather described displacement data so that it reaches preset value according to the force data of obtaining from described loading system; And
Computing unit, it is connected with control module with described data acquisition unit, is used for calculating the quiet rigidity data of body in white according to described displacement data and force data.
At the above-mentioned data acquisition processing system that is used for the quiet rigidity test of automobile body-in-white, preferably, described data acquisition processing system also comprises the drawing unit, and it is connected with described computing unit, is used for drawing out the quiet stiffness curve of body in white according to described displacement data and force data.
At the above-mentioned data acquisition processing system that is used for the quiet rigidity test of automobile body-in-white, preferably, described data acquisition unit is a data collecting card.
At the above-mentioned data acquisition processing system that is used for the quiet rigidity test of automobile body-in-white, preferably, described control module is a data collecting card.
At the above-mentioned data acquisition processing system that is used for the quiet rigidity test of automobile body-in-white, preferably, described loading system comprises at least one motor, and its running speed is subjected to described control module control.
The beneficial effects of the utility model are: soft by application of advanced, hardware technology and modern electronic technology, originally it is reliable and stable that the data acquisition processing system that is used for the quiet rigidity test of automobile body-in-white possesses usability, data acquisition and processing (DAP) quick and precisely, be applicable to numerous advantages such as different automobile types test, it especially can regulate and control to put on the acting force of automobile body-in-white by feedback mechanism, thereby can obtain the test data under the required controlled condition more accurately and guarantee the authenticity and the reliability of the quiet rigidity data of final body in white, so that provide valuable reference information for relevant engineering technical personnel.
[description of drawings]
Below with reference to drawings and Examples, the technical solution of the utility model is described in further detail.Wherein:
Fig. 1 is the composition synoptic diagram of first embodiment of the data acquisition processing system that is used for the quiet rigidity test of automobile body-in-white of the present utility model;
Fig. 2 is the composition synoptic diagram of second embodiment of the data acquisition processing system that is used for the quiet rigidity test of automobile body-in-white of the present utility model.
Description of reference numerals:
1 data acquisition unit, 2 computing units
3 control modules, 4 drawing unit
[embodiment]
In Fig. 1, schematically illustrate the basic composition situation of first embodiment of the data acquisition processing system that is used for the quiet rigidity test of automobile body-in-white of the present utility model with the form of block diagram.In this first embodiment, data acquisition processing system comprises data acquisition unit 1, computing unit 2 and control module 3.
With regard to these ingredients particularly, data acquisition unit 1 wherein is to be used for gathering when test relevant test data, for example the displacement measurement parts by being arranged in each test point place of body in white (as the measurement component of any suitable other types in displacement transducer or the prior art) obtain displacement data, and obtain by the loading system (not shown) and be applied to force data on the automobile body-in-white.
As shown in Figure 1, computing unit 2 is to be connected with data acquisition unit 1, to obtain above-mentioned displacement data and force data from it and to be used for calculating the quiet rigidity data of body in white according to these data.
And for control module 3, it is to be configured to be connected with loading system with data acquisition unit 1, obtain above-mentioned force data from data acquisition unit 1 and regulate and control loading system in real time and be applied to the amount of force on the automobile body-in-white so that can rely on so that it reaches the desired preset value of test, and when this acting force has reached preset value, gather the displacement data at each test point place of body in white automatically by these control module 3 designation data collecting units 1.
By above description, obviously above data acquisition processing system can satisfy the test needs fully, and the collection that can in test process, come automatic regulating and controlling effect power and displacement by FEEDBACK CONTROL, thereby reach the requirement of robotization, guaranteed authenticity, the reliability of rapidity, accuracy and the data post-processed of the quiet rigidity test data acquisition of automobile body-in-white.
In addition, other sees also Fig. 2, and it is the composition synoptic diagram of second embodiment of the present utility model.As shown in the drawing, the basic comprising of this second embodiment and above-mentioned first embodiment are roughly similar, and the two difference part is: increased drawing unit 4 at second embodiment.That is to say, on the basis of first embodiment, also comprised the drawing unit 4 that is connected with computing unit 2 at data acquisition processing system.Set up such drawing unit 4, be because under some application scenario, need to use this unit to draw out the quiet stiffness curve of needed body in white according to displacement data that is collected and force data, concrete coordinate system selection of parameter and render target all can be set according to its actual needs flexibly by user or engineering technical personnel, therefore seldom give unnecessary details at this.
Below illustrate exemplarily with way of example how above-mentioned control module 3 is realized the amount of force that loading system is applied on the automobile body-in-white is regulated and control again, so that can understand characteristics, principle of work and the advantage thereof of key component in the utility model further.
In one example, loading system comprises at least one motor, and regulates and control the running speed of this or these motor at any time by control module 3, realizes changing purpose from the acting force of loading system output with this.For example above-described, by control module 3 by obtaining in real time from data acquisition unit 1 about being applied to the force data on the automobile body-in-white, come auto-control voltage as required according to the voltage of motor of precognition own and the corresponding relation of motor rotation speed then, thereby regulation and control motor rotation speed is with the size of control action power, then according to the running speed of the further real-time monitoring motor of new force data that obtains through feedback to reach closed-loop control is applied to the acting force on the automobile body-in-white by loading system purpose.
Under a preferred situation, can also be further improved at above embodiment.For example, data acquisition unit 1 can be arranged to only be used to gather aforesaid displacement data, and make by control module 3 directly gather obtain the force data that is applied to automobile body-in-white so as quicker, carry out the regulating and controlling effect of above detailed description in real time.Like this, computing unit 2 also just can be connected with control module 3 and obtain force data from the latter and finishes its computation process.
In test, data acquisition unit 1 can adopt data collecting card, and control module 3 also can adopt data collecting card, and for example they can use NI capture card that the American National Instr Ltd. (NI, National Instruments) that can buy by commerce makes etc.
At last, it is to be noted, arrange about each test point in the quiet rigidity test of automobile body-in-white, each several part contents such as the application of measurement mechanism and concrete testing procedure, can the application reference people and the application same day submit, be entitled as " the measuring point arrangement system that is used for the quiet rigidity test of automobile body-in-white " respectively, " self-adaptation dynamic displacement measuring device and in the quiet rigidity test of body in white, use ", " multiple degrees of freedom displacement measuring device and in the quiet rigidity test of body in white, use ", the application of " automobile body-in-white torsional rigidity test macro and method thereof " and " automobile body-in-white bending stiffness test macro and method thereof " is all incorporated them into this paper by reference at this.
More than enumerate some specific embodiments and come the sets forth in detail data acquisition processing system that is used for the quiet rigidity test of automobile body-in-white of the present utility model, these a few examples are only for the usefulness that principle of the present utility model and embodiment thereof are described, but not to restriction of the present utility model, under the situation that does not break away from spirit and scope of the present utility model, those of ordinary skill in the art can also make various distortion and improvement, and it is medium for example the function of drawing unit 4 can be integrated into computing unit 2.Therefore, all technical schemes that are equal to all should belong to category of the present utility model and be limited by every claim of the present utility model.
Claims (10)
1. a data acquisition processing system that is used for the quiet rigidity test of automobile body-in-white is characterized in that, described data acquisition processing system comprises:
Data acquisition unit, it is used to gather the displacement data that obtains by the displacement measurement parts that are arranged in each test point place of body in white and puts on force data on the body in white by loading system;
Computing unit, it is connected with described data acquisition unit, is used for calculating the quiet rigidity data of body in white according to described displacement data and force data; And
Control module, it is connected with loading system with described data acquisition unit, be used for coming the described loading system of real-time monitoring to put on the amount of force on the body in white, and when it reaches preset value, indicate described data acquisition unit to gather described displacement data so that it reaches preset value according to the described force data that collects from described data acquisition unit.
2. the data acquisition processing system that is used for the quiet rigidity test of automobile body-in-white according to claim 1, it is characterized in that, described data acquisition processing system also comprises the drawing unit, it is connected with described computing unit, is used for drawing out the quiet stiffness curve of body in white according to described displacement data and force data.
3. the data acquisition processing system that is used for the quiet rigidity test of automobile body-in-white according to claim 1 and 2 is characterized in that, described data acquisition unit is a data collecting card.
4. the data acquisition processing system that is used for the quiet rigidity test of automobile body-in-white according to claim 1 and 2 is characterized in that, described control module is a data collecting card.
5. the data acquisition processing system that is used for the quiet rigidity test of automobile body-in-white according to claim 1 and 2 is characterized in that described loading system comprises at least one motor, and its running speed is subjected to described control module control.
6. a data acquisition processing system that is used for the quiet rigidity test of automobile body-in-white is characterized in that, described data acquisition processing system comprises:
Data acquisition unit, it is used to gather the displacement data that obtains by the displacement measurement parts that are arranged in each test point place of body in white;
Control module, it is connected with described data acquisition unit and to the loading system that body in white applies acting force, be used for coming the described loading system of real-time monitoring to put on the amount of force on the body in white, and when it reaches preset value, indicate described data acquisition unit to gather described displacement data so that it reaches preset value according to the force data of obtaining from described loading system; And
Computing unit, it is connected with control module with described data acquisition unit, is used for calculating the quiet rigidity data of body in white according to described displacement data and force data.
7. the data acquisition processing system that is used for the quiet rigidity test of automobile body-in-white according to claim 6, it is characterized in that, described data acquisition processing system also comprises the drawing unit, it is connected with described computing unit, is used for drawing out the quiet stiffness curve of body in white according to described displacement data and force data.
8. according to claim 6 or the 7 described data acquisition processing systems that are used for the quiet rigidity test of automobile body-in-white, it is characterized in that described data acquisition unit is a data collecting card.
9. according to claim 6 or the 7 described data acquisition processing systems that are used for the quiet rigidity test of automobile body-in-white, it is characterized in that described control module is a data collecting card.
10. according to claim 6 or the 7 described data acquisition processing systems that are used for the quiet rigidity test of automobile body-in-white, it is characterized in that described loading system comprises at least one motor, its running speed is subjected to described control module control.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010205739093U CN201852708U (en) | 2010-10-22 | 2010-10-22 | Data acquisition and processing system for automotive body-in-white (BIW) static stiffness test |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010205739093U CN201852708U (en) | 2010-10-22 | 2010-10-22 | Data acquisition and processing system for automotive body-in-white (BIW) static stiffness test |
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| CN201852708U true CN201852708U (en) | 2011-06-01 |
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| CN2010205739093U Expired - Lifetime CN201852708U (en) | 2010-10-22 | 2010-10-22 | Data acquisition and processing system for automotive body-in-white (BIW) static stiffness test |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018040A (en) * | 2012-12-07 | 2013-04-03 | 清华大学 | Bearing rigidity test system of bevel gear of automobile driving axle assembly |
| CN103344394A (en) * | 2013-06-25 | 2013-10-09 | 北京汽车股份有限公司 | Device for testing hardness of automobile fender and testing method using device |
| CN104361256A (en) * | 2014-12-02 | 2015-02-18 | 南车资阳机车有限公司 | Locomotive body vertical rigid estimation method |
| CN108645580A (en) * | 2018-04-25 | 2018-10-12 | 江铃控股有限公司 | Automobile body-in-white part Static stiffness test method |
| CN110095292A (en) * | 2019-05-15 | 2019-08-06 | 上海出入境检验检疫局机电产品检测技术中心 | A kind of baby carriage physical performance detecting device and platform |
-
2010
- 2010-10-22 CN CN2010205739093U patent/CN201852708U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018040A (en) * | 2012-12-07 | 2013-04-03 | 清华大学 | Bearing rigidity test system of bevel gear of automobile driving axle assembly |
| CN103018040B (en) * | 2012-12-07 | 2015-01-14 | 清华大学 | Bearing rigidity test system of bevel gear of automobile driving axle assembly |
| CN103344394A (en) * | 2013-06-25 | 2013-10-09 | 北京汽车股份有限公司 | Device for testing hardness of automobile fender and testing method using device |
| CN104361256A (en) * | 2014-12-02 | 2015-02-18 | 南车资阳机车有限公司 | Locomotive body vertical rigid estimation method |
| CN108645580A (en) * | 2018-04-25 | 2018-10-12 | 江铃控股有限公司 | Automobile body-in-white part Static stiffness test method |
| CN110095292A (en) * | 2019-05-15 | 2019-08-06 | 上海出入境检验检疫局机电产品检测技术中心 | A kind of baby carriage physical performance detecting device and platform |
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Granted publication date: 20110601 |