CN202757747U - Car body static rigidity measure system - Google Patents
Car body static rigidity measure system Download PDFInfo
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- CN202757747U CN202757747U CN 201220430513 CN201220430513U CN202757747U CN 202757747 U CN202757747 U CN 202757747U CN 201220430513 CN201220430513 CN 201220430513 CN 201220430513 U CN201220430513 U CN 201220430513U CN 202757747 U CN202757747 U CN 202757747U
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Abstract
The utility model discloses a car body static rigidity measure system, which comprises a sensor arranged on each test point on a body-in-white, the signal output end of the sensor is connected with the signal input end of a signal conversion box, the signal output end of the signal conversion box is connected with a lower computer, the lower computer enables real time communication with a host computer, the signal conversion box is used for removing the noise and amplifying on the received sensor signal; the lower computer enables pretreatment on the data according to an instruction of the host computer, and the host computer is used for processing the acquired data and generating a form. The car body static rigidity measure system can increase the test efficiency and test level.
Description
Technical field
The utility model relates to the Automobile Measuring Techniques field, particularly relates to the quiet stiffness measurement of a kind of vehicle body system.
Background technology
Body in white is known as again body of a motor car steel construction body, and the assembly that refers to body structural member and covering comprises covering for roofs, beater or beat-up, hood, luggage-boot lid and car door, but does not comprise the unvarnished vehicle body of annex and decoration.
Rigidity is the index of Automobile Body Design, and rigidity refers to that vehicle body is not allowed yielding ability when applying the common external force that is unlikely the breaking-up vehicle body, namely refers to the elastic deformability who resiles.Automobile is subject to various external force impacts in the process of moving can produce distortion, and deformation extent is weighed the standard of rigidity quality, and generalized case good rigidity intensity might as well.The automobile of poor rigidity can have a strong impact on control stability and the ride comfort of automobile, the serious generation that may cause traffic hazard.Therefore every money automobile all should carry out body in white static rigidity measurement test in design process.
It is the systems engineering of a complexity that the body in white static rigidity is measured test, and it is designed into the different aspects such as test standard, test-bed, testing equipment, experimental test software, and many enterprises and institutions have carried out relevant R﹠D work in recent years.Present disclosed Patents has: the outstanding restraint device of CN201020203529.0---used for torsional rigidity test of vehicular body-in-white, the stand of this device can move, make its change be positioned at position on the stand, for body in white is connected the Extended Spaces that provides more abundant with the rear overhang restraint device; The T stage frame of CN200920314951.0---vehicle body-in-white torsional rigidity testing device, this T stage frame positions the frame that spreads out by back up pad, bearing, axle sleeve, and the frame axial motion that can effectively prevent from spreading out improves the precision of body torsional rigdity test.CN201020296848.0---body in white door and window deformation testing device, this proving installation can record body in white and do the deflection that reverses quiet stiffness test door and window; CN200820111382.5---car white vehicle body structure static angular rigidity testing system, the improvement of this system is mainly at restraint device.This shows that the existing patent of measuring test about the body in white static rigidity is mainly improved at test-bed and testing equipment, and does not improve at test circuit, so test efficiency and level can't be improved all the time.
The utility model content
The purpose of this utility model provides a kind of quiet stiffness measurement of vehicle body system that can improve test efficiency and testing level.
For solving the problems of the technologies described above, the utility model comprises the sensor that is arranged in each test point place of body in white, the signal output part of described sensor links to each other with the signal input part of Signal transfer box, the signal output part of described Signal transfer box links to each other with slave computer, and described slave computer and host computer carry out real-time communication; Described Signal transfer box is used for that the sensor signal of receiving is carried out denoising and amplifies processing; Described slave computer carries out pre-treatment according to the instruction of host computer to data; Described host computer is used for the data that collect are processed and generating report forms.
As a kind of preferred version of the present utility model, described sensor comprises power sensor, analog quantity displacement transducer and light pulse type displacement transducer, described analog quantity displacement transducer and light pulse type displacement transducer are arranged in the measurement point of body in white, and described power sensor is arranged in the position of the power that applies of body in white.
As a kind of preferred version of the present utility model, described Signal transfer box comprises interface circuit, filtering circuit and the amplifying circuit that links to each other successively.
As a kind of preferred version of the present utility model, described Signal transfer box is 56 road Signal transfer boxs.
As a kind of preferred version of the present utility model, described host computer also carries out remote data transmission by ICP/IP protocol, realizes linking to each other with long-range test data management system.
Technique effect of the present utility model is to utilize displacement and the stressing conditions of sensor measurement vehicle body, the signal that by Signal transfer box sensor is recorded again carries out denoising and amplifies processing, utilize at last slave computer to transfer data to host computer, carried out formula calculating, figure demonstration, generating report forms and automatically generate reporting printing according to correlation test standard and requirement exporting by host computer again.The utility model has improved the automatization level of body in white static twist stiffness measurement test with the test of static buckling stiffness measurement greatly, simplified the complex process of data report Treatment Analysis, and can carry out the test report automatic generation function according to different company's test report standard, greatly improved test efficiency, reduce experimentation cost, can carry out application in each large car load factory.
Description of drawings
Below in conjunction with accompanying drawing and preferred implementation the utility model is described in further detail.
Fig. 1 is hardware configuration synoptic diagram of the present utility model;
Fig. 2 is workflow diagram of the present utility model;
Fig. 3 be utilize that the utility model test obtains definitely reverse torsional angle figure;
Fig. 4 is the relative flexural deformation figure that utilizes the utility model test to obtain.
Embodiment
As shown in Figure 1, the quiet stiffness measurement of vehicle body of the present utility model system, comprise the sensor that is arranged in each test point place of body in white, the signal output part of described sensor links to each other with the signal input part of Signal transfer box, the signal output part of described Signal transfer box links to each other with slave computer, and described slave computer and host computer carry out real-time communication; Described Signal transfer box is used for that the sensor signal of receiving is carried out denoising and amplifies processing; Described slave computer carries out pre-treatment according to the instruction of host computer to data; Described host computer is used for the data that collect are processed and generating report forms.
Described sensor comprises power sensor, analog quantity displacement transducer and light pulse type displacement transducer, described analog quantity displacement transducer and light pulse type displacement transducer are arranged in the measurement point of body in white, and described power sensor is arranged in the position of the power that applies of body in white.That is to say that sensor can be divided into for ergometry analog voltage signal power sensor and be used for measuring the displacement transducer of displacement, wherein, displacement transducer is divided into analog quantity displacement transducer and light pulse type displacement transducer.At body in white measurement of correlation point place, the power sensor is arranged in the relevant position that applies power to displacement transducer according to pilot project and correlation test standard arrangement.
Because body in white stiffness measurement test relates to the signals collecting of multiple sensor, at most even up to 56 the tunnel, the layout very complex of sensor, measuring accuracy is had relatively high expectations, and can not have signal to disturb mutually.Therefore Signal transfer box can adopt 56 road Signal transfer boxs, wherein, Signal transfer box comprises interface circuit, filtering circuit and the amplifying circuit that links to each other successively, wherein, interface circuit be used for to realize with various sensors between be connected, filtering circuit is used for realizing signal denoising, and amplifying circuit is used for amplifying signal.This acquisition system is connected with each road sensor by interconnecting device and carries out the signals such as noise reduction, amplification and process, and the interconnecting device interface is corresponding with sensor number, has realized effective management of sensor, and sends to slave computer and count in the device for picking collection signal is concentrated.
Slave computer is mainly realized the collection of related data, and carry out real-time communication with host computer, can carry out pre-treatment to image data according to the instruction of host computer testing software, realize the synchronous acquisition of native system displacement transducer and power sensor, have high-performance, high soundness, characteristics cheaply.
Host computer has realized carrying out formula calculatings, figure demonstration, generating report forms to the control of slave computer and with the data that gather and according to the correlation test standard and require automatically to generate the function that reporting printing is exported.And host computer can be used as service end, carries out remote data transmission according to ICP/IP protocol, thus can with test data management system, the Distance Laboratory monitoring interface carries out the Tongxu, the real-time online of realizing data shows the storage and management with test figure.
Workflow of the present utility model after the series of experiments preliminary preparations such as test-bed, subjects, testing equipment are finished, is opened program interface of the present invention as shown in Figure 2.At first carry out the typing of correlation test passage and Test Information, and the remote communicating function of native system is opened, native system begins to prepare data acquisition and externally send data as service end.Can open the data acquisition software interface well when all information configuration, click beginning test button and beginning data acquisition, data acquisition is undertaken by the mode of the formation of coming in and going out, and prevents the phenomenon of loss of data.Data are successively through passing through sensor, and---Signal transfer box---slave computer---host computer and a series of data of process are processed and are carried out the data demonstration.In the body in white test, need repeatedly to current data zero clearing, and carry out image data take current location as zero point, and when clicking reset button, realizing zero clearing, the data before the zero clearing can keep the relevant position, interface, but image data is shown as 0, then begins test.The operations such as data preservation, transmission can be carried out at any time in the process of the test, after all data acquisitions finish, report can be automatically generated.
Take certain car as example, carry out Measurement and analysis according to this experimental measurement system, and carry out the post analysis processing at the software platform of this system, and automatically derive the PDF report.Verified the feasibility of this test macro.
1) static twist stiffness analysis
In the twisting test, according to testing requirements, load is divided into gradually 5 grades that increase, in software, definitely reverses torsional angle figure to what raw data carried out obtaining after the Treatment Analysis, as shown in Figure 3.
2) static buckling stiffness analysis
In the bending test, according to testing requirements, also load is divided into gradually 5 grades that increase, in software, raw data is carried out the relative flexural deformation figure that obtains after the Treatment Analysis, as shown in Figure 4.Maximum deformation quantity satisfies the requirement of the bending stiffness standard of coachbuilt body in the test.
Displacement and stressing conditions by sensor measurement vehicle body of the present utility model, the signal that by Signal transfer box sensor is recorded again carries out denoising and amplifies processing, utilize at last slave computer to transfer data to host computer, carried out formula calculating, figure demonstration, generating report forms and automatically generate reporting printing according to correlation test standard and requirement exporting by host computer again.The utility model has improved the automatization level of body in white static twist stiffness measurement test with the test of static buckling stiffness measurement greatly, simplified the complex process of data report Treatment Analysis, and can carry out the test report automatic generation function according to different company's test report standard, greatly improved test efficiency, reduce experimentation cost, can carry out application in each large car load factory.
Below the preferred embodiment of the invention is specified, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all modification that is equal to or replacement under the prerequisite of the invention spirit, the modification that these are equal to or replacement all are included in the application's claim limited range.
Claims (5)
1. the quiet stiffness measurement of vehicle body system, it is characterized in that, comprise the sensor that is arranged in each test point place of body in white, the signal output part of described sensor links to each other with the signal input part of Signal transfer box, the signal output part of described Signal transfer box links to each other with slave computer, and described slave computer and host computer carry out real-time communication; Described Signal transfer box is used for that the sensor signal of receiving is carried out denoising and amplifies processing; Described slave computer carries out pre-treatment according to the instruction of host computer to data; Described host computer is used for the data that collect are processed and generating report forms.
2. the quiet stiffness measurement of vehicle body as claimed in claim 1 system, it is characterized in that, described sensor comprises power sensor, analog quantity displacement transducer and light pulse type displacement transducer, described analog quantity displacement transducer and light pulse type displacement transducer are arranged in the measurement point of body in white, and described power sensor is arranged in the position of the power that applies of body in white.
3. the quiet stiffness measurement of vehicle body as claimed in claim 1 system is characterized in that, described Signal transfer box comprises interface circuit, filtering circuit and the amplifying circuit that links to each other successively.
4. the quiet stiffness measurement of vehicle body as claimed in claim 3 system is characterized in that, described Signal transfer box is 56 road Signal transfer boxs.
5. such as the quiet stiffness measurement of the described vehicle body of arbitrary claim system among the claim 1-4, it is characterized in that described host computer also carries out remote data transmission by ICP/IP protocol, realize linking to each other with long-range test data management system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220430513 CN202757747U (en) | 2012-08-28 | 2012-08-28 | Car body static rigidity measure system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220430513 CN202757747U (en) | 2012-08-28 | 2012-08-28 | Car body static rigidity measure system |
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| Publication Number | Publication Date |
|---|---|
| CN202757747U true CN202757747U (en) | 2013-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220430513 Expired - Fee Related CN202757747U (en) | 2012-08-28 | 2012-08-28 | Car body static rigidity measure system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108303225A (en) * | 2017-01-13 | 2018-07-20 | 天津城建大学 | A kind of portable rigidity data measures and processing system |
-
2012
- 2012-08-28 CN CN 201220430513 patent/CN202757747U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108303225A (en) * | 2017-01-13 | 2018-07-20 | 天津城建大学 | A kind of portable rigidity data measures and processing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160708 Address after: 201805 Shanghai City, Jiading District Anting Town, South Moyu Road No. 888 room 2201J18 Patentee after: Shanghai Tai Chi Automotive Engineering Technology Co., Ltd. Address before: 201804 car school building, No. 4800 Cao An Road, Shanghai, Jiading District Patentee before: Tongji Automotive Design and Research Institute Co., Ltd |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20180828 |