CN101718630B - Vehicle door trim impacter and method for determining rigidity value of vehicle door trim - Google Patents
Vehicle door trim impacter and method for determining rigidity value of vehicle door trim Download PDFInfo
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- CN101718630B CN101718630B CN 200910224584 CN200910224584A CN101718630B CN 101718630 B CN101718630 B CN 101718630B CN 200910224584 CN200910224584 CN 200910224584 CN 200910224584 A CN200910224584 A CN 200910224584A CN 101718630 B CN101718630 B CN 101718630B
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- knocker
- trim panel
- area
- impacter
- vehicle door
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Abstract
The invention provides a vehicle door trim impacter and a method for determining a rigidity value of a vehicle door trim. The vehicle door trim impacter is based on the human body profile outline characteristic and comprises a chest area impacter, an abdomen area impacter, a huckle area impacter, a high-pressure air cylinder and a guide rod, wherein the chest area impacter comprises an impact contact surface with the geometrical characteristic of a human body chest profile; the abdomen area impacter comprises an impact contact surface with geometrical characteristic of the human body abdomen profile; the huckle area impacter comprises an impact contact surface with the geometrical characteristic of the human body huckle profile; the guide rod is set into a linear motion output piece of the high-pressure air cylinder; and the tail end of the guide rod is connected with the chest area impacter, the abdomen area impacter or the huckle area impacter. In the method, each impacted area of the trim is impacted by the impacter and kinetic parameters in the impact process can be measured, thereby obtaining the rigidity value of each area of the trim; and the method is used for optimizing the rigidity design of the trim.
Description
Technical field
The present invention relates to the method for a kind of knocker for vehicle impact testing and definite vehicle door interior trim panel rigidity value.
Background technology
Automobile side impact is one of common Traffic Collision accident pattern, when how to improve side collision passenger's protective value has been subject to the pay attention to day by day of automobile production enterprise.When automobile generation side collision, vehicle body metal plate structure is collision deformation at first, invades in the crew module, and the promotion vehicle door interior trim panel bumps with occupant's health and contacts, and causes occupant injury.As seen, good automobile side impact passenger protecting performance is not only closely related with vehicle body metal plate structure and material thereof, simultaneously also with that the vehicle door interior trim panel stiffness that direct collision contacts occurs is closely related with the occupant.When carrying out the vehicle body metal plate structure design, design suitable vehicle door interior trim panel stiffness and can further promote the automobile side impact performance.
Traditional design method is when carrying out automotive development, often bias toward the passenger protecting performance who improves side collision by strengthening vehicle body metal plate structure, ignore architecture advances and stiffness optimization to important spare parts such as vehicle door interior trim panels, be unfavorable on the one hand lightweight development and the reduce fuel oil consumption of body of a motor car; Increase on the other hand the improved difficulty of body structure and manufacturing cost, prolonged the time of car load exploitation.Therefore; when carrying out the design of vehicle body side sheet metal structural; correctly estimate the rigidity of vehicle door interior trim panel by rational impulse test; then it is optimized design; alleviate the dependence to the vehicle body metal plate structure change, reach the purpose that improves the side impact passenger protecting performance and save development time and cost.
Because the vehicle door interior trim plate structure is comparatively complicated; corresponding different zone when it contacts from the collision of passenger's health; automobile production enterprise does not carry out the rational knocker of a cover of shock-testing to the vehicle door interior trim panel stiffness at present; can't carry out accurate evaluation and optimization to the vehicle door interior trim panel stiffness of different automobile types from the actual collision angle; thereby caused the trim panel rigidity Design unreasonable, when being difficult to significantly promote automobile side impact to occupant's protective value.
Summary of the invention
The object of the present invention is to provide the method for a kind of vehicle door trim panel impactor and definite vehicle door interior trim panel rigidity value.
For realizing described purpose, the vehicle door trim panel impactor based on human body side profile feature of the present invention is characterized in, comprising: the chest region knocker, and it comprises the collision surface of contact of the geometric properties that possesses the human chest side; The abdomen area knocker, it comprises the collision surface of contact of the geometric properties that possesses the human abdomen side; Hip zone knocker, it comprises the collision surface of contact of the geometric properties that possesses the hipbone side; High-pressure cylinder; And guide pole, be arranged to the rectilinear motion output of high-pressure cylinder, its terminal chest region knocker, abdomen area knocker or hip zone knocker of connecting.
Described vehicle door trim panel impactor, its further characteristics be, also comprises the fixed support for the fixed support trim panel, and trim panel is identical with the connected mode of trim panel and real vehicle with support bracket fastened connected mode.
Described vehicle door trim panel impactor, its further characteristics are, also comprise the acceleration transducer that is arranged on chest region knocker, abdomen area knocker and the hip zone knocker, this accelerator is used for the time dependent acceleration signal of each knocker of record.
Described vehicle door trim panel impactor, its further characteristics be, also comprises integrating gear, and this integrating gear obtains the be hit rigidity value in zone of trim panel according to the acceleration signal of knocker record.
Method of the present invention is to utilize described vehicle door trim panel impactor to determine the method for vehicle door interior trim panel rigidity value, is characterized in, trim panel is fixed on the fixed support, and trim panel is identical with the connected mode of trim panel and real vehicle with support bracket fastened connected mode; According to sitting posture position and body contour line the projection on trim panel of human body in car, determine the corresponding collision contact area of human chest, belly and hip and trim panel, thereby trim panel is divided into 3 parts, i.e. chest collision area, belly collision area and hip collision area; Described 3 parts of utilizing the collision surface of contact of the collision surface of contact of collision surface of contact, abdomen area knocker of chest region knocker and hip zone knocker to impact respectively trim panel; And record respectively chest region knocker, abdomen area knocker and the time dependent acceleration signal of hip zone knocker, and obtain respectively the rigidity numerical value of described 3 parts of trim panel according to these acceleration signals.
Beneficial effect of the present invention is as follows:
By adopting the vehicle door trim panel impactor based on human body side profile feature that trim panel is impacted, various kinetic parameters in the measurement impact process are the acceleration of each knocker for example, can accurately measure the stiffness variation of the different collision areas of trim panel, the actual contact action of human body and trim panel when reflecting side collision, carry out the design of trim panel stiffness optimization based on the data that test obtains, promote thus the passenger protecting performance of automobile side impact; Utilize knocker can in impulse test, estimate exactly the rigidity of vehicle door interior trim panel; changed the in the past simple traditional design method that improves the automobile side impact performance by strengthening vehicle body metal plate structure that relies on; the optimization of trim panel rigidity has realized side collision passenger protecting performance's fast lifting; save manufacturing cost and development time, improved economic benefit.
Aforementioned purpose of the present invention, feature and beneficial effect are with accompanying drawings and embodiment are described in detail below.
Description of drawings
Fig. 1 is the schematic diagram of chest region knocker of the present invention.
Fig. 2 is the schematic diagram of abdomen area knocker of the present invention.
Fig. 3 is the schematic diagram of hip of the present invention zone knocker.
Fig. 4 be vehicle door trim panel impactor of the present invention carry out stiffness test the time schematic diagram.
Embodiment
When automobile side impact, the collision area that vehicle door interior trim panel and human body side different parts are corresponding is different.Method of the present invention is at first according to the sitting posture position of human body in car, generate the projection of body contour line on trim panel, the corresponding collision contact area of human chest, belly and hip and trim panel is divided into 3 parts with trim panel: chest collision area, belly collision area and hip collision area when determining automobile side impact.
The chest of trim panel, belly and three collision areas of hip, need to have different rigidity values with the injury of the body part of the correspondence that alleviates when collision occupant, therefore the knocker of method utilization of the present invention with Reasonable Shape feature and quality carries out experimental test to the rigidity in aforementioned 3 zones of its trim panel, accurately these zones of reflection with human body collision contact process in stiffness variation, then correctly carry out the optimal design of trim panel rigidity based on test figure.
As shown in Figure 1 to Figure 3, method of the present invention is to utilize the vehicle door trim panel impactor that possesses human body side profile feature, test the rigidity of each position collision contact area of trim panel and human body, this vehicle door trim panel impactor is respectively trim panel chest region knocker 10, abdomen area knocker 20 and hip zone knocker 30.
As shown in Figure 4, trim panel 43 is fixedly connected on the fixed support 44, the connected mode of the two in other words essence identical with the connected mode of trim panel in real vehicle is identical, the rectilinear motion output of high-pressure cylinder 41 is guide rod 42, the end of guide rod 42 connects knocker, in the embodiment shown in fig. 4, be to describe as an example of chest region knocker 10 example, obviously the end of guide rod 42 can optionally connect trim panel chest region knocker 10, abdomen area knocker 20 and hip zone knocker 30.Method of the present invention is launched guide pole 42 and knocker 10 by the instantaneous hyperbar that high-pressure cylinder 41 produces with certain speed, direction shown in knocker 10 arrow A is impacted the trim panel corresponding region with horizontal free state, and impact mass is different knocker 10,20,30 quality and guide pole quality sum.At knocker 10,20 or 30 acceleration transducer is installed, record time dependent acceleration signal, then try to achieve the reacting force that knocker is subject to by integrating gear (can circuit or computer software), and obtain the be hit rigidity numerical value in zone of trim panel.
Can understand simultaneously that by Fig. 4 the vehicle door trim panel impactor based on human body side profile feature of the present invention comprises: chest region knocker 10, it comprises the collision surface of contact 10a of the geometric properties that possesses the human chest side; Abdomen area knocker 20, it comprises the collision surface of contact 20a of the geometric properties that possesses the human abdomen side; Hip zone knocker 30, it comprises the collision surface of contact 30a of the geometric properties that possesses the hipbone side; High-pressure cylinder 41; And guide pole 42, be arranged to the rectilinear motion output of high-pressure cylinder, its terminal chest region knocker 10, abdomen area knocker 20 or hip zone knocker 30 of connecting.
Vehicle door trim panel impactor based on human body side profile feature of the present invention also comprises the fixed support 44 for fixed support trim panel 43, and trim panel is identical with the connected mode of trim panel and real vehicle with support bracket fastened connected mode.Vehicle door trim panel impactor based on human body side profile feature of the present invention also comprises the acceleration transducer (not showing) that is arranged on chest region knocker 10, abdomen area knocker 20 and the hip zone knocker 30, and this accelerator is used for the time dependent acceleration signal of each knocker of record.Vehicle door trim panel impactor based on human body side profile feature of the present invention also comprises integrating gear (not show), and this integrating gear obtains the be hit rigidity value in zone of trim panel according to the acceleration signal of knocker record.
In addition, can also carry out more detailed design to method of the present invention or knocker according to aforementioned description, for example high-pressure cylinder is arranged on the lifting table, with the different zone that is hit of the corresponding trim panel of lifting.Therefore, although the present invention describes with reference to current specific embodiment, but those of ordinary skill in the art will be appreciated that, above embodiment illustrates the present invention, should understand and wherein can make various changes and revise and do not break away from a broad sense the present invention, so be not as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the distortion of the above embodiment.
Claims (2)
1. the vehicle door trim panel impactor based on human body side profile feature is characterized in that, comprising:
The chest region knocker, it comprises the collision surface of contact of the geometric properties that possesses the human chest side;
The abdomen area knocker, it comprises the collision surface of contact of the geometric properties that possesses the human abdomen side;
Hip zone knocker, it comprises the collision surface of contact of the geometric properties that possesses the hipbone side;
High-pressure cylinder;
Guide pole is arranged to the rectilinear motion output of high-pressure cylinder, its terminal chest region knocker, abdomen area knocker or hip zone knocker of connecting;
Be used for the fixed support of fixed support trim panel, trim panel is identical with the connected mode of trim panel and real vehicle with support bracket fastened connected mode;
Be arranged on the acceleration transducer on chest region knocker, abdomen area knocker and the hip zone knocker, this acceleration transducer is used for the time dependent acceleration signal of each knocker of record; And
Integrating gear, this integrating gear obtains the be hit rigidity value in zone of trim panel according to the acceleration signal of acceleration transducer record.
2. a method of utilizing vehicle door trim panel impactor as claimed in claim 1 to determine the vehicle door interior trim panel rigidity value is characterized in that, comprising:
Trim panel is fixed on the fixed support, and trim panel is identical with the connected mode of trim panel and real vehicle with support bracket fastened connected mode;
According to sitting posture position and body contour line the projection on trim panel of human body in car, determine the corresponding collision contact area of human chest, belly and hip and trim panel, thereby trim panel is divided into 3 parts, i.e. chest collision area, belly collision area and hip collision area;
Described 3 parts of utilizing the collision surface of contact of the collision surface of contact of collision surface of contact, abdomen area knocker of chest region knocker and hip zone knocker to impact respectively trim panel; And
Record respectively chest region knocker, abdomen area knocker and the time dependent acceleration signal of hip zone knocker, and obtain respectively the rigidity value of described 3 parts of trim panel according to these acceleration signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910224584 CN101718630B (en) | 2009-11-13 | 2009-11-13 | Vehicle door trim impacter and method for determining rigidity value of vehicle door trim |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910224584 CN101718630B (en) | 2009-11-13 | 2009-11-13 | Vehicle door trim impacter and method for determining rigidity value of vehicle door trim |
Publications (2)
| Publication Number | Publication Date |
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| CN101718630A CN101718630A (en) | 2010-06-02 |
| CN101718630B true CN101718630B (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200910224584 Expired - Fee Related CN101718630B (en) | 2009-11-13 | 2009-11-13 | Vehicle door trim impacter and method for determining rigidity value of vehicle door trim |
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102567552B (en) * | 2010-12-14 | 2013-10-23 | 上海汽车集团股份有限公司 | Method for realizing optimization of vehicle body structure on basis of normal rigidity analysis of metal plates of vehicle body |
| CN103091064B (en) * | 2013-01-09 | 2015-12-02 | 浙江吉利汽车研究院有限公司杭州分公司 | Dynamic impact test equipment |
| CN103558035B (en) * | 2013-11-11 | 2015-08-19 | 广汽本田汽车有限公司 | Automobile body covering piece dent resistance test instrument |
| KR101655588B1 (en) * | 2014-12-02 | 2016-09-07 | 현대자동차주식회사 | Side Structrue Impact Test Equipment |
| CN104764615B (en) * | 2015-04-21 | 2017-08-04 | 奇瑞汽车股份有限公司 | A kind of vehicle side collision experimental rig and method |
| CN105424383A (en) * | 2015-12-23 | 2016-03-23 | 广州广电计量检测股份有限公司 | Automobile interior trim door panel test device |
| CN107084827B (en) * | 2017-05-11 | 2019-06-28 | 象山华鹰塑料工程有限公司 | A kind of automotive trim plastic parts impact strength detection device |
| CN108007663A (en) * | 2017-10-31 | 2018-05-08 | 丰业迪睦斯（芜湖）汽车部件有限公司 | Automobile door handle shell shock resistance detection device |
| CN108168904A (en) * | 2017-12-22 | 2018-06-15 | 丰业迪睦斯（芜湖）汽车部件有限公司 | Automobile door handle detects work box |
| CN110501131B (en) * | 2018-05-16 | 2021-03-23 | 上海汽车集团股份有限公司 | Impact test device of automobile door interior trimming panel |
| CN109540430A (en) * | 2018-11-30 | 2019-03-29 | 芜湖普威技研有限公司 | Automobile component rigidity detection device |
| CN111999020B (en) * | 2020-09-02 | 2022-05-10 | 湖南汽车工程职业学院 | Automobile intelligent detection and cleaning integrated system |
| CN112098254B (en) * | 2020-09-27 | 2023-04-07 | 河南工业职业技术学院 | Control system for impact test |
| CN114379474B (en) * | 2022-02-18 | 2023-12-29 | 摩登汽车有限公司 | Design method of vehicle door trim |
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| CN101718630A (en) | 2010-06-02 |
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Granted publication date: 20130123 Termination date: 20201113 |