CN1710392A - Automobile door closing-force testing device - Google Patents
Automobile door closing-force testing device Download PDFInfo
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- CN1710392A CN1710392A CN 200510026821 CN200510026821A CN1710392A CN 1710392 A CN1710392 A CN 1710392A CN 200510026821 CN200510026821 CN 200510026821 CN 200510026821 A CN200510026821 A CN 200510026821A CN 1710392 A CN1710392 A CN 1710392A
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Abstract
A device for testing door close force of automobile is controlled by computer, it applies S-shape strain type of force test transducer and capacity type of displacement transducer to measure force and displacement as well as applies serial interface to input force displacement signal to portable computer for realizing real time data collection and communication . The device not only can realize test of door close force but also can realize test of door close displacement.
Description
Technical field
The present invention relates to a kind of automobile door closing-force testing device, can realize the test of door closing-force and closing of the door displacement, belong to the precision measurement technical field.
Background technology
Along with constantly advancing of science and technology, and every performance of automobile (as dynamic property, economy, comfortableness, trafficability characteristic, control stability, safe reliabilities etc.) index is also improving constantly, and the complexity of door contact interrupter becomes one of major criterion of weighing car mass.The sedan door power of closing is to weigh the important indicator of car door quality, but the domestic actual measurement problem that does not solve the power of closing as yet conscientiously, the characteristic of especially closing door closing-force in the closed procedure still lacks practical detection means.Therefore, be necessary to develop the sedan door closing-force testing device.
Because car door quality and close the importance of performance and diversity, randomness and the complicacy of influence factor, the development of door closing-force testing device also has following practical significance:
(1) quality and the performance for the assay car door provides normative reference;
(2) provide foundation for car door and gasket structure theoretical analysis of finite element and experimental demonstration.
In the prior art, the base of Britain is thought Foster and has been invented a kind of door closer (Chinese patent application number: 02804452.5), it has a pair of main driving spring, a fluid cushion apparatus, and disposed a pair of thrust spring, during the aft section shutoff operation of door, thrust spring begins to work, so that the power of closing that has increased is provided at this moment.The position that applies the power of closing that has increased is variable, and applying of the power of closing that has increased adopts the cam mechanism to control.The woods growing new hair is understood a kind of automatic switch device (Chinese patent application number: 03256455.4) of sedan door, be primarily characterized in that body is provided with the execution gear, above the execution gear, be provided with the follower gear coaxial with carrying out gear, described follower gear coaxial and the engagement of the driving gear on the motor with carrying out gear, described execution gear and the tooth bar engagement that is located on the body.This utility model drives follower gear by motor gear, make follower gear drive the execution gear coaxial with it, the rotation of carrying out gear drives moving of body upper rack again, reach and open or the purpose of closed car door by carrying out bar, it is convenient that its structural design opens and closes sedan door, the serviceable life that can improve sedan door simultaneously.People such as Guo Lianghui have invented the gate operating lock (Chinese patent application number: 200420034306.0) of a kind of automobile driver control, the opening/closing door of vehicle controller connects opening/closing door of vehicle device, car door latch hook shutter, accumulator formation with cable, it has controlled opening or closing of right front car door on the car, left back car door, right back car door respectively the opening/closing door of vehicle controller, and the driver does not need to leave just any one car door on the switch car easily of seat.
Above-mentioned technology is primarily aimed at switching how to control car door and the device of developing, and these devices can't be tested door closing-force, needs a kind of special arrangement of exploitation that automobile door closing-force is tested.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, a kind of automobile door closing-force testing device is provided, not only can be used for testing door closing-force, and can be used for testing the displacement of car door, proving installation is simple in structure, is easy to carry the measuring accuracy height.
For realizing such purpose, the present invention adopts magnetic bases that proving installation is connected on the car door, between magnetic bases, add a retaining magnetic sheet, with contiguous block magnetic bases are linked to each other with force transducer and displacement transducer, installing the top mounting knob to make things convenient for the application of force by web joint.Proving installation selects for use S shape strain-type force sensor and capacitive displacement transducer to carry out power and displacement measurement by computer control, and power and displacement signal are imported portable computer by serial port simultaneously, realizes Computerized real-time data acquisition and communication.
Automobile door closing-force testing device of the present invention comprises handle, strain force sensor, web joint, magnetic bases, retaining magnetic sheet, contiguous block and capacitive displacement transducer.
Handle is made up of two parts, and the upper end is a working of plastics, and the lower end is a metalwork.Strain force sensor be shaped as S shape, an end is connected with the lower end metalwork of handle, the other end is connected with web joint, strain force sensor links to each other with the power digital display meter simultaneously, the size of demonstration door closing-force.Magnetic bases are made up of the retaining magnetic sheet between two blocks of magnet and the magnet, magnetic bases by screw retention on web joint, one end of web joint links to each other with contiguous block, capacitive displacement transducer is installed on the contiguous block, capacitive displacement transducer is connected with the displacement digital display table simultaneously, shows the displacement of door weather strip.The power digital display meter is connected with computing machine by serial port with the displacement digital display table, and whole testing device is installed on the car door by magnetic bases.
The present invention adopts magnetic bases as the measuring system pedestal, is installed in the car door outside, and type of drive is a manual drives, selects for use S shape strain force sensor and capacitive displacement transducer to measure door closing-force and displacement.In test process, strain force sensor and capacitive displacement transducer can be measured the size and the displacement of door closing-force simultaneously, the various physical quantitys of surveying are converted to electric signal pass to part of data acquisition.Signal converts digital signal to after secondary instrument amplification, filtering etc. are handled, by serial port input portable computer, after being carried out data processing and analyzed by the corresponding software system again, direct video data result is also preserved.
The present invention not only can realize the test of door closing-force, and can realize the test of closing of the door displacement, guarantees the objectivity and the repeatability of experiment, helps correctly to estimate the complexity of closing of car door.Proving installation of the present invention is simple in structure, be easy to carry, and this device is installed in the car door outside simultaneously, not limited by the space physical location, and is easy to use, is applicable to various vehicle closing of the door force measurements.
Description of drawings
Fig. 1 is apparatus of the present invention structural representation.
Among Fig. 1, the 1-handle, the 2-strain force sensor, the 3-web joint, the 4-magnetic bases, 5-keeps off magnetic sheet, 6-contiguous block, 7-capacitive displacement transducer, 8-car door.
Power-displacement curve that Fig. 2 closes the door and records in the process for car door.
Embodiment
Further specify technical scheme of the present invention below in conjunction with accompanying drawing, but do not limit the scope of the invention.
As shown in Figure 1, a kind of automobile door closing-force testing device of the present invention is made up of seven parts: handle 1, strain force sensor 2, web joint 3, magnetic bases 4, retaining magnetic sheet 5, contiguous block 6 and capacitive displacement transducer 7.
Handle 1 is made up of two parts, and the upper end is a working of plastics, and the lower end is a metalwork.Strain force sensor 2 be shaped as S shape, an end is connected with the lower end metalwork of handle 1 by screw, the other end is connected with web joint 3 by screw, strain force sensor 2 links to each other with the power digital display meter simultaneously, the size of demonstration door closing-force.Web joint 3 is a metalwork, is used for connecting strain force sensor 2, magnetic bases 4 and contiguous block 6.Consider the actual pattern of sedan door, adopt magnetic bases 4 that whole testing device is installed on the car door 8.Magnetic bases 4 are made up of one between two blocks of magnet and magnet retaining magnetic sheet 5, and adding retaining magnetic sheet 5 between two blocks of magnet is to consider to avoid influencing each other of magnetic.On web joint 3, an end of web joint 3 links to each other with contiguous block 6 by screw magnetic bases 4 by screw retention.Capacitive displacement transducer 7 is installed on the contiguous block 6, and capacitive displacement transducer 7 is connected with the displacement digital display table simultaneously, shows the displacement of door weather strip.The power digital display meter is connected with portable computer by serial port with the displacement digital display table.
The present invention adopts magnetic bases 4 as the measuring system pedestal, whole testing device is installed on the car door by magnetic bases 4, type of drive is a manual drives, selects for use S shape strain force sensor 2 and capacitive displacement transducer 7 to measure door closing-force and displacement.In test process, strain force sensor 2 and capacitive displacement transducer 7 can be measured the size and the displacement of door closing-force simultaneously, the various physical quantitys of surveying are converted to electric signal pass to part of data acquisition.Signal converts digital signal to after secondary instrument amplification, filtering etc. are handled, by serial port input portable computer, realize Computerized real-time data acquisition and communication, and data are saved as text.Computing machine is according to the data of real-time Transmission, data are carried out various processing: reject because personal error, or the gross error that factor such as instrument error causes in the data transmission procedure, data are judged, the validity of specified data, carry out error analysis, and result visualization is shown, writes down and be saved in the file.
Figure 2 shows that the car door that records with the proving installation of the present invention 9 groups of power-displacement curves in the process of closing the door.As shown in Figure 2, in the process of closing the door, closing has the relation of determining between power and the displacement: between displacement 0～13mm, the power of closing is the process of car door latch to locking about 30N; Between displacement 13～20mm, the power of closing has sudden change, is the process of sealing strip compression; Between displacement 20～25mm, the power of closing changes slowly, is the process of fastening car door.
Can draw according to Fig. 2 and experimental result, proving installation of the present invention has following characteristics:
(1) simultaneously high precision, detect power and displacement reliably;
(2) the dynamometry range is 0～500N, and precision 0.1N can instantaneously show and the computer real-time communication;
(3) the displacement measurement range is 0～25mm, and precision 0.01mm can show and the computer real-time communication by transient measurement;
(4) ergometry and displacement simultaneously can obtain to close in the closing of the door process real-time change of power and displacement relation.
Claims (1)
1. automobile door closing-force testing device, it is characterized in that by handle (1), strain force sensor (2), web joint (3), magnetic bases (4), retaining magnetic sheet (5), contiguous block (6) and capacitive displacement transducer (7) are formed, S shape strain force sensor (2) one ends are connected with the metalwork of handle (1) lower end, the other end is connected with web joint (3), strain force sensor (2) links to each other with the power digital display meter simultaneously, magnetic bases (4) are made up of the retaining magnetic sheet (5) between two blocks of magnet and the magnet, magnetic bases (4) by screw retention on web joint (3), one end of web joint (3) links to each other with contiguous block (6), capacitive displacement transducer (7) is installed on the contiguous block (6), capacitive displacement transducer (7) is connected with the displacement digital display table simultaneously, the power digital display meter is connected with computing machine by serial port with the displacement digital display table, and whole testing device is installed on the car door (8) by magnetic bases (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510026821 CN1710392A (en) | 2005-06-16 | 2005-06-16 | Automobile door closing-force testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510026821 CN1710392A (en) | 2005-06-16 | 2005-06-16 | Automobile door closing-force testing device |
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| Publication Number | Publication Date |
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| CN1710392A true CN1710392A (en) | 2005-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510026821 Pending CN1710392A (en) | 2005-06-16 | 2005-06-16 | Automobile door closing-force testing device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102043065A (en) * | 2010-12-17 | 2011-05-04 | 众泰控股集团有限公司 | Car door quantitative force application device applied in car manufacture process and use method thereof |
| CN102297740A (en) * | 2011-07-05 | 2011-12-28 | 河南省电力公司郑州供电公司 | Tester for operation load of locking pin |
| CN102721502A (en) * | 2012-06-26 | 2012-10-10 | 北京航空航天大学 | Electric vehicle window closing force tester |
| CN103308322A (en) * | 2013-05-31 | 2013-09-18 | 长城汽车股份有限公司 | Dynamic closing energy testing system of car door |
| CN104180996A (en) * | 2014-08-01 | 2014-12-03 | 奇瑞汽车股份有限公司 | Opening member motion process analyzing method and electronic device |
| CN108351231A (en) * | 2014-03-14 | 2018-07-31 | 泰科电子瑞侃有限公司 | For installing sensor and for the device and method of sealed cabinet |
| CN110017997A (en) * | 2019-03-19 | 2019-07-16 | 林高兴 | A kind of application method applied to door quantitative force application in automobile manufacture |
| CN110186695A (en) * | 2019-07-01 | 2019-08-30 | 通标标准技术服务(上海)有限公司 | A kind of portable vehicle shutdown energy testing system and method |
| CN112026959A (en) * | 2020-08-14 | 2020-12-04 | 中国第一汽车股份有限公司 | Static closing force algorithm of vehicle door |
| CN112747935A (en) * | 2019-10-29 | 2021-05-04 | 上海汽车集团股份有限公司 | Detection device and detection method for vehicle door operating characteristics, side door system and vehicle |
| CN113702060A (en) * | 2020-05-22 | 2021-11-26 | 上海汽车集团股份有限公司 | Vehicle door actuation measuring device |
-
2005
- 2005-06-16 CN CN 200510026821 patent/CN1710392A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102043065A (en) * | 2010-12-17 | 2011-05-04 | 众泰控股集团有限公司 | Car door quantitative force application device applied in car manufacture process and use method thereof |
| CN102297740A (en) * | 2011-07-05 | 2011-12-28 | 河南省电力公司郑州供电公司 | Tester for operation load of locking pin |
| CN102721502B (en) * | 2012-06-26 | 2014-08-20 | 北京航空航天大学 | Electric vehicle window closing force tester |
| CN102721502A (en) * | 2012-06-26 | 2012-10-10 | 北京航空航天大学 | Electric vehicle window closing force tester |
| CN103308322B (en) * | 2013-05-31 | 2015-12-09 | 长城汽车股份有限公司 | Car door dynamically closes energy testing system |
| CN103308322A (en) * | 2013-05-31 | 2013-09-18 | 长城汽车股份有限公司 | Dynamic closing energy testing system of car door |
| CN108351231A (en) * | 2014-03-14 | 2018-07-31 | 泰科电子瑞侃有限公司 | For installing sensor and for the device and method of sealed cabinet |
| CN104180996A (en) * | 2014-08-01 | 2014-12-03 | 奇瑞汽车股份有限公司 | Opening member motion process analyzing method and electronic device |
| CN104180996B (en) * | 2014-08-01 | 2016-08-17 | 奇瑞汽车股份有限公司 | Opening tool motor process analyzes method and electronic equipment |
| CN110017997A (en) * | 2019-03-19 | 2019-07-16 | 林高兴 | A kind of application method applied to door quantitative force application in automobile manufacture |
| CN110186695A (en) * | 2019-07-01 | 2019-08-30 | 通标标准技术服务(上海)有限公司 | A kind of portable vehicle shutdown energy testing system and method |
| CN112747935A (en) * | 2019-10-29 | 2021-05-04 | 上海汽车集团股份有限公司 | Detection device and detection method for vehicle door operating characteristics, side door system and vehicle |
| CN113702060A (en) * | 2020-05-22 | 2021-11-26 | 上海汽车集团股份有限公司 | Vehicle door actuation measuring device |
| CN112026959A (en) * | 2020-08-14 | 2020-12-04 | 中国第一汽车股份有限公司 | Static closing force algorithm of vehicle door |
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