CN204731259U - A kind of High-precision vehicle closing speed measuring system for car load long duration test - Google Patents

A kind of High-precision vehicle closing speed measuring system for car load long duration test Download PDF

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Publication number
CN204731259U
CN204731259U CN201420773559.3U CN201420773559U CN204731259U CN 204731259 U CN204731259 U CN 204731259U CN 201420773559 U CN201420773559 U CN 201420773559U CN 204731259 U CN204731259 U CN 204731259U
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sensor
data acquisition
fixed
measurement component
long duration
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CN201420773559.3U
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Inventor
孙立明
徐海博
陈永祥
陈立伟
杨博
张冰
赵帅帅
吴红
冯伟
崔英伟
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Beijing Institute of Structure and Environment Engineering
Tianjin Aerospace Ruilai Technology Co Ltd
Beijing Aerostandard Technology Co Ltd
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Beijing Institute of Structure and Environment Engineering
Tianjin Aerospace Ruilai Technology Co Ltd
Beijing Aerostandard Technology Co Ltd
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Abstract

The utility model relates to technical field of automobile detection, is specifically related to a kind of High-precision vehicle closing speed measuring system for car load long duration test, and object is that the existing closing of the door velocity measuring device cost of solution is high, the problem of poor accuracy.It is characterized in that, it comprises measurement component, fixed part and data acquisition components; Measurement component is fixedly connected with fixed part, and fixed part is fixedly connected with car door, and measurement component is also connected with data acquisition components.The utility model can realize the self-correcting to car door velocity survey degree of accuracy, avoid the impact of extraneous factor when to carry out velocity contrast under different operating mode, and the use of data acquisition and processing (DAP) process middle high-resolution data acquisition unit can the precision of warranty test data, guarantees credible result degree.Obtain successful Application in the car load long duration test of the various of the utility model at home in certain well-known automobile production, ensure that measuring accuracy, ensure that carrying out smoothly of test.

Description

A kind of High-precision vehicle closing speed measuring system for car load long duration test
Technical field
The utility model relates to technical field of automobile detection, is specifically related to a kind of High-precision vehicle closing speed measuring system for car load long duration test.
Background technology
Along with developing rapidly of auto industry, automobile market competition is abnormal fierce, and Ge great motor corporation must obtain competitive edge by meeting the requirement of consumer to the various performance index of automobile.Closing of the door portability, dirigibility are one of important indicators evaluating arrangements for automotive doors design and vehicle operation performance.From the convenience angle of research, design and analysis and inspection, closing of the door energy all represents with " speed ", and therefore closing of the door speed becomes the important evidence of judge closing of the door portability.
In car load four-door two-lid integrated environment long duration test process before current automobile new car sizing, the car door test period under different temperatures environment is generally 100,000 times, therefore need to control effectively to closing of the door speed in process of the test, closing velocity is carried out to high precision, measures and correct simply and easily, completes with warranty test high-quality.
Closing of the door speed adopts door closing speed tester to measure usually, but this instrument costly, can only detect use once in a while, can not apply in the whole process of car load long duration test.At present, although existing door closing speed measuring equipment is different, substantially identical according to principle (V=L/ Δ t).Still lack in prior art a kind ofly can meet that accuracy of measurement requires, one-shot measurement realizes that multi-group data obtains, velocity measuring device simple and convenient and with low cost, and there is the deficiencies such as measurement data poor accuracy in disclosed patent, therefore need to develop a kind of precision secure, be convenient to laboratory operation and realize and velocity measuring device with low cost.
Utility model content
The purpose of this utility model is that the existing closing of the door velocity measuring device cost of solution is high, the problem of poor accuracy, provides that a kind of cost is low, simple operation, precision are high and can realize the High-precision vehicle closing speed measuring system for car load long duration test of self-aligning.
The utility model is achieved in that
For a High-precision vehicle closing speed measuring system for car load long duration test, comprise measurement component, fixed part and data acquisition components; Measurement component is fixedly connected with fixed part, and fixed part is fixedly connected with car door, and measurement component is also connected with data acquisition components.
Measurement component as above comprises first sensor and the second sensor; First sensor and the second sensor are arranged in the horizontal direction, are separately fixed on fixed part.
First sensor as above and the second sensor all adopt photo-electric proximity switch to realize.
Fixed part as above comprises sensor support frame, sensor-specific pedestal and holding screw; Sensor support frame entirety is rectangle tabular, and middle part has rectangle groove along its length; Sensor-specific pedestal entirety is rectangle tabular; The anterior end surface of sensor-specific pedestal is fixedly connected with the left end face of sensor support frame; Sensor-specific pedestal and sensor support frame perpendicular; The left end face of sensor-specific pedestal is fixed on vehicle body; Holding screw has two, is set in the outside of first sensor and the second sensor.
Data acquisition components as above comprises wire and moving data acquisition device; Wire has two, and one end is connected with the output terminal of first sensor and the second sensor respectively, and the other end is connected with the input end of moving data acquisition device respectively.
Moving data acquisition device as above adopts MDR-80 type moving data acquisition device to realize.
The beneficial effects of the utility model are:
The utility model comprises measurement component, fixed part and data acquisition components.Mainly contain following innovative point and technical progress point:
(1) velocity-measuring system is built according to measuring principle, and successful Application
During test, according to measuring principle conventional in current engineering, low, the easy-operating photoelectric proximity switch of cost is selected to complete the design of car door speed measuring device as sensor, and in the comprehensive long duration test of car load four-door two-lid integrated environment successful Application, total the car door velocity survey of under three kinds of vehicle different temperatures environment more than 30 ten thousand times, check and correction and monitoring.
(2) once obtain multi-group data, realize high-acruracy survey and calibration, can continuous coverage and data acquisition be carried out, and by checking
For the high precision of warranty test data, adopt MDR-80 high resolving power moving data acquisition device pick-up transducers signal in this device, sample frequency reaches as high as 20MHz, ensures the precision obtaining test figure.
Due to during column type optoelectronic switch itself that car door speed measuring device is used, there is certain hour difference, therefore by many group car door speed datas can be obtained in a door closing procedure, achieve the self-correcting to car door velocity survey degree of accuracy (error is less than 2%), carry out the impact of extraneous factor during velocity contrast under avoiding different operating mode, ensure that credible result degree.
Closing of the door carries out on long duration test platform, and the continuous switch being realized car door by compressed air-driven actuating arm closes, and the use of moving data acquisition device ensure that and the continuous acquisition of data further ensures data accuracy.
(3) optimization device outward appearance, design sensor base, realizes the car door velocity survey under different operating mode
Because speed measuring device is arranged on vehicle door external not by the restriction of space physical location, therefore design specialized base is fixed on the adjacent vehicle body of institute's measuring car door, the adjustment of transducer spacing and depth distance can be realized, the Fast Installation of device and dismounting, easy to use, the closing velocity that can meet the different car door of different automobile types is measured, and successful Application in the various car load four-door two-lid integrated environment long duration test of certain well-known automobile production manufacturer at home, ensure that test is carried out smoothly.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of a kind of High-precision vehicle closing speed measuring system for car load long duration test of the present utility model.
Wherein: 1. first sensor, 2. the second sensor, 3. sensor support frame, 4. sensor-specific pedestal, 5. holding screw, 6. wire, 7. moving data acquisition device.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
For a High-precision vehicle closing speed measuring system for car load long duration test, comprise measurement component, fixed part and data acquisition components.Measurement component is fixedly connected with fixed part, and fixed part is fixedly connected with car door, and measurement component is also connected with data acquisition components.Measurement component is for measuring speed during closing of the door, and fixed part is for being fixed on vehicle body by measurement component, and data acquisition components is for receiving the measurement data of measurement component.
Measurement component comprises first sensor 1 and the second sensor 2.First sensor 1 and the second sensor 2 are arranged in the horizontal direction, are separately fixed on fixed part.First sensor 1 and the second sensor 2 are for measuring speed during closing of the door.First sensor 1 and the second sensor 2 all adopt photo-electric proximity switch to realize.
Fixed part comprises sensor support frame 3, sensor-specific pedestal 4 and holding screw 5.Sensor support frame 3 entirety is rectangle tabular, and middle part has rectangle groove along its length.This groove is used for through first sensor 1 and the second sensor 2.Sensor-specific pedestal 4 entirety is rectangle tabular.The anterior end surface of sensor-specific pedestal 4 is fixedly connected with the left end face of sensor support frame 3.Sensor-specific pedestal 4 is perpendicular with sensor support frame 3.The left end face of sensor-specific pedestal 4 is fixed on vehicle body.Holding screw 5 has two, is set in the outside of first sensor 1 and the second sensor 2.Holding screw 5 is respectively used to first sensor 1 and the second sensor 2 to be fixed on sensor support frame 3.
Data acquisition components comprises wire 6 and moving data acquisition device 7.Wire 6 has two, and one end is connected with the output terminal of first sensor 1 and the second sensor 2 respectively, and the other end is connected with the input end of moving data acquisition device 7 respectively.Moving data acquisition device 7 is for gathering the closing of the door speed of first sensor 1 and the measurement of the second sensor 2.Moving data acquisition device 7 adopts MDR-80 type moving data acquisition device to realize.
When needing to measure the closing velocity of car door, native system is fixed on the adjacent vehicle body of car door by sensor-specific pedestal 4.For meeting the test request of different automobile types and car door, the spacing of adjustment first sensor 1 and the second sensor 2, the depth distance adjusting two sensors afterwards makes vehicle door edge when first sensor 1 and the second sensor 2, just in time be positioned at the decipherment distance of sensor.The opening and closing of car door is driven by the actuating arm on car load durable test stand, and actuating arm force size is regulated by compressed-air actuated air inlet and outlet pressure.After car door opening is closed stable, opens high resolving power moving data acquisition device 7 and carry out data continuous acquisition.After data acquisition, data are derived from moving data acquisition device 7, according to measuring principle, analysis contrast is carried out to car door speed, as shown in table 1.
Door closing speed data analysis in table 1 door closing procedure
The utility model comprises measurement component, fixed part and data acquisition components.Table 1 is a contrast that door closing procedure obtains many group car door speed datas and theoretical value, the self-correcting to car door velocity survey degree of accuracy can be realized by above-mentioned data, avoid the impact of extraneous factor when to carry out velocity contrast under different operating mode, and the use of data acquisition and processing (DAP) process middle high-resolution data acquisition unit can the precision (error is less than 2%) of warranty test data, guarantees credible result degree.Obtain successful Application in the car load long duration test of the various of the utility model at home in certain well-known automobile production, ensure that measuring accuracy, ensure that carrying out smoothly of test.

Claims (1)

1., for a High-precision vehicle closing speed measuring system for car load long duration test, it is characterized in that: it comprises measurement component, fixed part and data acquisition components; Measurement component is fixedly connected with fixed part, and fixed part is fixedly connected with car door, and measurement component is also connected with data acquisition components;
Described measurement component comprises first sensor (1) and the second sensor (2); First sensor (1) and the second sensor (2) are arranged in the horizontal direction, are separately fixed on fixed part;
Described first sensor (1) and the second sensor (2) all adopt photo-electric proximity switch to realize;
Described fixed part comprises sensor support frame (3), sensor-specific pedestal (4) and holding screw (5); Sensor support frame (3) entirety is rectangle tabular, and middle part has rectangle groove along its length; Sensor-specific pedestal (4) entirety is rectangle tabular; The anterior end surface of sensor-specific pedestal (4) is fixedly connected with the left end face of sensor support frame (3); Sensor-specific pedestal (4) is perpendicular with sensor support frame (3); The left end face of sensor-specific pedestal (4) is fixed on vehicle body; Holding screw (5) has two, is set in the outside of first sensor (1) and the second sensor (2);
Described data acquisition components comprises wire (6) and moving data acquisition device (7); Wire (6) has two, and one end is connected with the output terminal of first sensor (1) and the second sensor (2) respectively, and the other end is connected with the input end of moving data acquisition device (7) respectively;
Described moving data acquisition device (7) adopts MDR-80 type moving data acquisition device to realize.
CN201420773559.3U 2014-12-10 2014-12-10 A kind of High-precision vehicle closing speed measuring system for car load long duration test Active CN204731259U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420773559.3U CN204731259U (en) 2014-12-10 2014-12-10 A kind of High-precision vehicle closing speed measuring system for car load long duration test

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420773559.3U CN204731259U (en) 2014-12-10 2014-12-10 A kind of High-precision vehicle closing speed measuring system for car load long duration test

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CN204731259U true CN204731259U (en) 2015-10-28

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109187050A (en) * 2018-09-29 2019-01-11 长春理工大学 Arrangements for automotive doors closing speed and resistance idol test device
CN110749456A (en) * 2019-10-31 2020-02-04 重庆长安汽车股份有限公司 System and method for testing opening and closing sound quality of side-sliding type vehicle door

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109187050A (en) * 2018-09-29 2019-01-11 长春理工大学 Arrangements for automotive doors closing speed and resistance idol test device
CN110749456A (en) * 2019-10-31 2020-02-04 重庆长安汽车股份有限公司 System and method for testing opening and closing sound quality of side-sliding type vehicle door

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