CN102661841A - Dummy hip joint calibration system and method for automobile collision - Google Patents
Dummy hip joint calibration system and method for automobile collision Download PDFInfo
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- CN102661841A CN102661841A CN2012101597330A CN201210159733A CN102661841A CN 102661841 A CN102661841 A CN 102661841A CN 2012101597330 A CN2012101597330 A CN 2012101597330A CN 201210159733 A CN201210159733 A CN 201210159733A CN 102661841 A CN102661841 A CN 102661841A
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Abstract
The invention discloses a dummy hip joint calibration system and method for automobile collision, belonging to the field of automobile safety detection. The system comprises a test table; a dummy hip joint fixing device is arranged on the test table; and a dummy hip joint is fixedly arranged on the test table through the dummy hip joint fixing device. The system further comprises a rocking arm, a force sensor, a rocking arm lifting device and a data processor; one end of the rocking arm extends into a thigh hole of the dummy and is fixedly connected with the hip joint of the dummy; the force sensor is movably connected with the rocking arm; the rocking arm lifting device is connected with the force sensor and is used for applying uplift force to the rocking arm; a comparing module in the data processor compares the stress data of the dummy hip joint acquired by the force sensor with a calibrated standard data, and then the calibration module calibrates the detected dummy hip joint. The system and method provided by the invention can be used for solving the problems that in the prior art, much more sensors are required for the calibration table of the existing dummy hip joint, the calculation is complex and error is easy to cause, and meanwhile, the cost and the maintenance cost are high.
Description
Technical field
The present invention relates to belong to automotive safety inspection side technical field, a kind of car crass that particularly is used for the vehicle passive safety test utilizes this invention to confirm that the performance of dummy's hip joint satisfies standard-required with dummy's hip joint calibration system and method.
Background technology
Vehicle impact testing belongs to the research category of vehicle passive safety, its purpose mainly be in the check collision process vehicle to occupant's protective capability.The danger of impact test; Make and can not use true man in test, foreign study mechanism has made the dummy according to the kinematic behavior of human body and the quality size at each position etc.; It can replace human body to be used for vehicle impact testing, the injury situation that the simulation true man receive.Before the automobile real vehicle collision test carries out; Because a variety of causes causes the inner data of dummy possibly lose standard; Thereby need demarcate the dummy, for example the calibrating procedure that adopts Hybrid III 50% male sex dummy in the process of the test is partly stipulated according to the E among the CFR 572 and ECE R94 annex 10 regulations preceding bumping; Hybrid III 5% women dummy's calibrating procedure is stipulated according to the part among the CFR 572; In addition; After China's new car assessment routine (C-NCAP) stipulates that dummy's rating test frequency is per 2 impact tests; Should demarcate again, if a certain position injury of dummy index reaches in test or the low performance limit value of overshoot, this position also should be demarcated again.Guaranteeing in test, the dummy is true man's injured situation in the simulated crash process as far as possible accurately, and then to the security of automobile the data support is provided, and the dummy can reuse after passing through through demarcating.2010, the auto output of China occupied the first in the world, reached 1,800 ten thousand, and therefore China also strengthens the research dynamics to the car crass performance, has set up a plurality of impact tests chamber, and has carried out a large amount of car load impact tests, has tentatively accumulated certain test experience.
Because testing dummy and calibration facility are mostly from external import at present, cost is high, versatility is poor, use is inconvenient, and at present domestic test and use research to the dummy is just carried out seldom, and the calibration facility that presses for the dummy carries out independent research.
More existing dummy's hip joint calibrating table sensors are many, and calculation of complex causes error easily, and cost and maintenance cost are high simultaneously.
Summary of the invention
The dummy's hip joint calibrating table sensor that exists in the prior art is many in order to solve, calculation of complex and be prone to cause error, and cost and the high problem of maintenance cost the invention provides a kind of car crass with dummy's hip joint calibration system and method simultaneously.
Said technical scheme is following:
On the one hand, provide a kind of car crass with dummy's hip joint calibration system, comprised a stand, said stand is provided with dummy's hip joint stationary installation, and dummy's hip joint is fixed on the said stand through said dummy's hip joint stationary installation, and said system also comprises:
Rocking arm, one of which end stretch into dummy's thigh hole and are fixedly connected with dummy's hip joint;
Force transducer flexibly connects with said rocking arm;
The rocking arm lifting apparatus is connected with said force transducer, is used for said rocking arm is applied the lifting acting force;
Data processor receives the information that said force transducer is gathered, and its operation has comparison module and demarcating module;
Said comparison module is used to receive the stress data of dummy's hip joint that said force transducer gathers, and the distance calculation that rises according to said rocking arm lifting apparatus goes out moment and angle of elevation, demarcates normal data with dummy's hip joint again and compares;
Said demarcating module according to the comparative result of said comparison module to dummy's hip joint qualified calibration check of making whether.
Said dummy's hip joint stationary installation comprises:
Bearing removably connects with the upper surface of said stand, which is provided with dummy's mounting plate;
Back up pad be fixed in the upper end of said bearing, and level is stretched out the upper end of said bearing;
Two screw rods, one of which end vertical fixing are on the cantilever plate face of said back up pad, and its lower end is fixedly connected with dummy's pelvis.
Further, a side of said stand extends upward the outrigger that forms its upper surface of protrusion, and said outrigger is provided with guide rail, and said guide rail horizontal fixed is on said outrigger, and said bearing and said guide rail are slidingly connected.
Said rocking arm lifting apparatus comprises elevating lever and drive motor system; Said elevating lever vertically is fixedly connected with said stand through an installing plate, and said drive motor system is arranged at the lower end of said elevating lever, is used to drive said elevating lever along its axial up-down; Said force transducer is fixed in the upper end of said elevating lever; Said rocking arm is moulding one strip chute on its length direction, fixing a connection piece on the said force transducer, and said web member and said chute are slidingly connected.
Further; Form U type link slot on the said web member, said rocking arm is arranged in the U type link slot, is connected through the bearing pin that is fixed on the said link slot cell wall between said rocking arm and the said web member; Said bearing pin runs through the chute on the said rocking arm, and is slidingly connected with said chute.
Described dummy's hip joint is Hybrid III 50% male sex dummy's hip joint or Hybrid III 5% women dummy's hip joint.
On the other hand, the present invention also provides a kind of car crass with dummy's hip joint scaling method, and said scaling method comprises the steps:
Step 2, lifting arm, and measure the power on the rocking arm that acts under the lifting angle, the distance calculation that rises according to the rocking arm lifting apparatus goes out the angular dimension of moment and rising;
In the said step 4 survey hip joint made and demarcate judging, its specifically:
If institute's dummy's hip joint stress data of surveying is in dummy's hip joint demarcation normal data scope, judgement dummy hip joint is qualified;
If institute's dummy's hip joint stress data of surveying is not demarcated the normal data scope at dummy's hip joint, need make and check reparation dummy's hip joint.
The beneficial effect that the technical scheme that the embodiment of the invention provides is brought is:
The present invention only through single shaft to force transducer; Can change the effect angle of rocking arm through the rocking arm lifting apparatus, but multi-angle dummy's hip joint is demarcated, effectively reduced number of sensors; Institute is surveyed data information to be compared with the demarcation normal data; It calculates simple, reduces the error of test findings, and cost and maintenance cost are low simultaneously.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the whole horse structure synoptic diagram of dummy's hip joint calibrating table.
Fig. 2 is dummy's hip joint calibrating table stationary backplate apparatus structure synoptic diagram.
Fig. 3 is dummy's hip joint lifting device structure synoptic diagram.
Among the figure:
The 1-stand, 11-outrigger, 12-guide rail;
2-dummy's hip joint stationary installation, 21-bearing, 22-back up pad, 23-screw rod, 24-mounting plate, 25-fixed head;
The 3-rocking arm, the 31-chute;
The 4-force transducer;
5-rocking arm lifting apparatus, 51-elevating lever, 52-drive motor system, 53-installing plate;
6-dummy's hip joint;
The 7-web member, 71-link slot, 72-bearing pin.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that embodiment of the present invention is done to describe in detail further below.
As shown in Figure 1; The invention provides a kind of car crass with dummy's hip joint calibration system; Comprise a stand 1, dummy's hip joint stationary installation 2, rocking arm 3, force transducer 4, rocking arm lifting apparatus 5 and data processor; Dummy's hip joint 6 is fixed on the stand 1 through said dummy's hip joint stationary installation 2, and an end of rocking arm stretches into dummy's thigh hole and is fixedly connected with dummy's hip joint; Force transducer 4 flexibly connects through a connection piece 7 with rocking arm 3;
Rocking arm lifting apparatus 5 is connected with force transducer 4, is used for rocking arm 3 is applied the lifting acting force;
Data processor, the information that reception sensor 4 is gathered, operation has comparison module and demarcating module in it; The stress data of dummy's hip joint 6 that comparison module is used for force transducer is gathered and dummy's hip joint are demarcated normal data and are compared; Demarcating module is made demarcation according to the comparing data of comparison module to dummy's hip joint 6.
As shown in Figure 2; Dummy's hip joint stationary installation 2 comprises: bearing 21, back up pad 22 and two screw rods 23; One side of stand 1 extends upward the outrigger 11 that forms its upper surface of protrusion, and outrigger 11 is provided with guide rail 12, and guide rail 12 horizontal fixed are on outrigger 11; Bearing 21 is slidingly connected with the guide rail 12 of stand 1, is fixed with the mounting plate 24 that is used for fixing the dummy on the side of bearing; Back up pad 22 is fixed in the upper end of bearing 21, and level is stretched out the upper end of bearing 21; One end vertical fixing of two screw rods 23 is on the cantilever plate face of back up pad 22, and its lower end is fixedly connected with dummy's pelvis.
As shown in Figure 3; that rocking arm lifting apparatus 5 comprises elevating lever 51 and drive motor system 52, elevating lever 51 vertically is fixedly connected with stand 1 through an installing plate 53, and drive motor system 52 is arranged at the lower end of elevating lever 51; be used to drive elevating lever 51 along its axial up-down; force transducer 4 is fixed in the upper end of elevating lever 51, and rocking arm 3 is moulding one strip chute 31 on its length direction, and the lower end of web member 7 is fixed on the force transducer 4.
Form U type link slot 71 on the web member 7 wherein; rocking arm 3 is arranged in the U type link slot 71, be connected through the bearing pin 72 that is fixed on link slot 71 cell walls between rocking arm 3 and the web member 7, bearing pin 72 runs through the chute 31 on the rocking arm 3; and be slidingly connected with chute 31; when elevating lever 51 went up and down under the driving of drive motor system 52 vertically, bearing pin slided in chute and drives rocking arm 3 and changes angles, and then realizes the acting force adjustment to the dummy.
The used dummy's hip joint 6 of the present invention is Hybrid III 50% male sex dummy's hip joint or Hybrid III 5% women dummy's hip joint.
The present invention also provides a kind of car crass with dummy's hip joint scaling method, and scaling method comprises the steps:
Step 2, lifting arm, and measure the power on the rocking arm that acts under the lifting angle;
In the said step 4 survey hip joint made and demarcate judging, its specifically:
If institute's dummy's hip joint stress data of surveying is in dummy's hip joint demarcation normal data scope, judgement dummy hip joint is qualified;
If in dummy's hip joint demarcation normal data scope, need checked reparation to dummy's hip joint to institute's dummy's hip joint stress data of surveying.
Dummy's demarcation normal data requires as follows
For Hybrid III 50% male sex dummy
When the moment that A. receives at rocking arm was 203Nm, the angle of rocking arm should be in 10 ° of-50 ° of scopes.
B. when the angle of rocking arm was 30 °, the moment that receives on the rocking arm should be less than 95Nm.
For Hybrid III 5% women dummy
When the moment that A. receives at rocking arm was 55Nm, the angle of rocking arm should be in 40 ° of-50 ° of scopes.
B. when the angle of rocking arm was 30 °, the moment that receives on the rocking arm should be less than 43Nm.
Calibration process is described below: at first Hybrid III50% male sex dummy stationary backplate is installed on the stand 1; Then dummy's hip joint 6 is fixed on the mounting plate 24 (if when demarcating Hybrid III 5% women dummy; Because the different fixedly mounting plates of both sizes change the fixedly dedicated fixed plate of Hybrid III 5% women dummy's hip joint into); Two screw rods 23 and dummy's pelvis that will be connected with pelvis are when mounted tightened, and four bolts hole in dummy's hip joint 6 back are connected on the mounting plate 24 through bolt.Need guarantee to be totally released two gland nuts of regulating the thigh elasticity in the hip joint after fixing; Otherwise very easily hip joint is caused damage in the calibration process; The elevating lever that force transducer 4 is housed 51 is connected with the rocking arm 3 that has cunning poor 31, then rocking arm 3 is connected with dummy's thigh to be calibrated, method of attachment is: rocking arm 3 one ends are pushed in dummy's thigh hole; Can be in the installation process along guide rail 12 move left and right hip joints so that can install better; Use the thigh coupling bolt that rocking arm 3 and hip joint are coupled together then and tighten, mention rocking arm 3 and move left and right hip joint, guarantee that the arm of force of rocking arm 3 just is positioned at the centre position of rocking arm 3.The fixed head 25 that will be fixed on the bearing 21 is fixedly connected with guide rail 12 through clamp nut, makes it can not move left and right, connection data acquisition system (DAS) power supply, and the information that used force transducer in the demarcation is gathered is input in the data processor 6.Normal data through with calibration request compares, to dummy's hip joint 6 qualified calibration check of making whether.
Through move left and right dummy hip joint stationary installation 2, can rocking arm 3 one ends be pushed respectively in dummy's the right and left thigh hole, hip joint the right and left is carried out calibration check.
The present invention is not limited to above-mentioned embodiment, and the shape of change support, change hip joint stationary backplate structure and change elevating lever shape and structure all is a kind of distortion of the present invention, all should think within protection domain of the present invention.
The invention described above embodiment sequence number is not represented the quality of embodiment just to description.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a car crass is with dummy's hip joint calibration system; Comprise a stand (1); Said stand (1) is provided with dummy's hip joint stationary installation (2); Dummy's hip joint is fixed on the said stand (1) through said dummy's hip joint stationary installation (2), it is characterized in that, said system also comprises:
Rocking arm (3), one of which end stretch into dummy's thigh hole and are fixedly connected with dummy's hip joint;
Force transducer (4) flexibly connects with said rocking arm (3);
Rocking arm lifting apparatus (5) is connected with said force transducer (4), is used for said rocking arm (3) is applied the lifting acting force;
Data processor receives the information that said force transducer (4) is gathered, and operation has comparison module and demarcating module in it; Said comparison module is used to receive the stress data of dummy's hip joint that said force transducer gathers, and the distance calculation that rises according to said rocking arm lifting apparatus goes out moment and angle of elevation, demarcates normal data with dummy's hip joint again and compares; Said demarcating module according to the comparative result of said comparison module to dummy's hip joint qualified calibration check of making whether.
2. car crass according to claim 1 is characterized in that with dummy's hip joint calibration system,
Said dummy's hip joint stationary installation (2) comprising:
Bearing (21) removably connects with the upper surface of said stand (1), which is provided with dummy's mounting plate (24);
Back up pad (22) be fixed in the upper end of said bearing (21), and level is stretched out the upper end of said bearing (21);
Two screw rods (23), one of which end vertical fixing are on the cantilever plate face of said back up pad (22), and its lower end is fixedly connected with dummy's pelvis.
3. car crass according to claim 2 is characterized in that with dummy's hip joint calibration system,
One side of said stand (1) extends upward the outrigger (11) that forms its upper surface of protrusion; Said outrigger (11) is provided with guide rail (12); Said guide rail (12) horizontal fixed is on said outrigger (11), and said bearing (21) is slidingly connected with said guide rail (12).
According to the arbitrary described car crass of claim 1-3 with dummy's hip joint calibration system, it is characterized in that,
Said rocking arm lifting apparatus (5) comprises elevating lever (51) and drive motor system (52); Said elevating lever (51) vertically is fixedly connected with said stand (1) through an installing plate (53); Said drive motor system (52) is arranged at the lower end of said elevating lever (51); Be used to drive said elevating lever (51) along its axial up-down, said force transducer (4) is fixed in the upper end of said elevating lever (51), and said rocking arm (3) is moulding one strip chute (31) on its length direction; Said force transducer (4) is gone up fixedly a connection piece (7), and said web member (7) is slidingly connected with said chute (31).
5. car crass according to claim 4 is characterized in that with dummy's hip joint calibration system,
Form U type link slot (71) on the said web member (7); Said rocking arm (3) is arranged in the U type link slot (71); Be connected through the bearing pin (72) that is fixed on said link slot (71) cell wall between said rocking arm (3) and the said web member (7); Said bearing pin (72) runs through the chute (31) on the said rocking arm (3), and is slidingly connected with said chute (31).
According to claim 1-3 or 5 arbitrary described car crasses with dummy's hip joint calibration system, it is characterized in that,
Described dummy's hip joint is Hybrid III 50% male sex dummy's hip joint or Hybrid III 5% women dummy's hip joint.
7. a car crass is characterized in that with dummy's hip joint scaling method said scaling method comprises the steps:
Step 1 is fixed in dummy's hip joint on the stand, and the thigh hole of stretching into the dummy through a rocking arm is connected with dummy's hip joint;
Step 2, lifting arm, and measure the power on the rocking arm that acts under the lifting angle;
Step 3, under equal lifting angle, institute's dummy's hip joint stress data of surveying and dummy's hip joint demarcation normal data relatively;
Step 4 is made demarcation according to comparative result to the survey hip joint and is judged.
8. car crass according to claim 7 is characterized in that with dummy's hip joint scaling method,
In the said step 4 survey hip joint made and demarcate judging, its specifically:
If dummy's hip joint stress data of surveying falls into dummy's hip joint and demarcates in the normal data scope, judge that dummy's hip joint is qualified;
Demarcate the normal data scope if dummy's hip joint stress data of surveying exceeds dummy's hip joint, need dummy's hip joint is made demarcation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210159733.0A CN102661841B (en) | 2012-05-22 | 2012-05-22 | Dummy hip joint calibration system and method for automobile collision |
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| CN201210159733.0A CN102661841B (en) | 2012-05-22 | 2012-05-22 | Dummy hip joint calibration system and method for automobile collision |
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| CN102661841A true CN102661841A (en) | 2012-09-12 |
| CN102661841B CN102661841B (en) | 2014-11-26 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853955A (en) * | 2012-09-29 | 2013-01-02 | 济南大学 | Straight travel electric actuating mechanism thrust detection device |
| CN104101475A (en) * | 2014-07-29 | 2014-10-15 | 湖南大学 | Combined feet and hip joint calibration testing device for dummy for automobile collision |
| CN104833526A (en) * | 2015-05-06 | 2015-08-12 | 清华大学苏州汽车研究院（相城） | Automotive crash test dummy hip joint calibration device |
| CN105043707A (en) * | 2015-05-29 | 2015-11-11 | 苏州东菱科技有限公司 | Dummy calibration test system capable of being controlled in centralized way |
| CN105181286A (en) * | 2015-05-29 | 2015-12-23 | 苏州东菱科技有限公司 | Dummy hip joint calibration test apparatus |
| CN106053045A (en) * | 2016-07-08 | 2016-10-26 | 上海大学 | Hip joint angle measurement apparatus |
| CN110658002A (en) * | 2019-11-20 | 2020-01-07 | 天津瑷睿赛福科技有限公司 | Dummy lumbar vertebra measuring tool for automobile crash test |
| CN110686910A (en) * | 2019-11-15 | 2020-01-14 | 天津瑷睿赛福科技有限公司 | Car bump test dummy hip joint calibration equipment |
| CN110823721A (en) * | 2018-08-09 | 2020-02-21 | 湖南赛孚汽车科技股份有限公司 | TNO-10 dummy trunk calibration device and calibration method |
| CN116576819A (en) * | 2023-07-12 | 2023-08-11 | 中国汽车技术研究中心有限公司 | Tool and method for measuring parallelism and angle of lower leg framework of automobile crash dummy |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102853955A (en) * | 2012-09-29 | 2013-01-02 | 济南大学 | Straight travel electric actuating mechanism thrust detection device |
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| CN105181286A (en) * | 2015-05-29 | 2015-12-23 | 苏州东菱科技有限公司 | Dummy hip joint calibration test apparatus |
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| CN106053045A (en) * | 2016-07-08 | 2016-10-26 | 上海大学 | Hip joint angle measurement apparatus |
| CN106053045B (en) * | 2016-07-08 | 2019-12-06 | 上海大学 | Hip joint angle measuring device |
| CN110823721A (en) * | 2018-08-09 | 2020-02-21 | 湖南赛孚汽车科技股份有限公司 | TNO-10 dummy trunk calibration device and calibration method |
| CN110823721B (en) * | 2018-08-09 | 2022-08-05 | 湖南赛孚汽车科技股份有限公司 | TNO-10 dummy trunk calibration device and calibration method |
| CN110686910A (en) * | 2019-11-15 | 2020-01-14 | 天津瑷睿赛福科技有限公司 | Car bump test dummy hip joint calibration equipment |
| CN110658002A (en) * | 2019-11-20 | 2020-01-07 | 天津瑷睿赛福科技有限公司 | Dummy lumbar vertebra measuring tool for automobile crash test |
| CN116576819A (en) * | 2023-07-12 | 2023-08-11 | 中国汽车技术研究中心有限公司 | Tool and method for measuring parallelism and angle of lower leg framework of automobile crash dummy |
| CN116576819B (en) * | 2023-07-12 | 2023-09-15 | 中国汽车技术研究中心有限公司 | Tool and method for measuring parallelism and angle of lower leg framework of automobile crash dummy |
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| C06 | Publication | ||
| PB01 | Publication | ||
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