CN108804756A - Automobile living space check method - Google Patents
Automobile living space check method Download PDFInfo
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- CN108804756A CN108804756A CN201810395967.2A CN201810395967A CN108804756A CN 108804756 A CN108804756 A CN 108804756A CN 201810395967 A CN201810395967 A CN 201810395967A CN 108804756 A CN108804756 A CN 108804756A
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Abstract
The invention discloses a kind of automobile living space check method, method includes the following steps：Entire scan is carried out to automotive interior, to obtain living space 3D data, and it is modeled according to living space 3D data, to establish living space model, it imports and presets H point computation rules, current H points position is calculated, crash dummy data are imported in living space model, to establish crash dummy model, and is crashed according to current H points position and to hit dummy model and calibrated；Emulation solution is carried out to collision dummy model in living space model, to obtain current living space data；Judge whether living space data meet normed space requirement, if so, the emulation data of output living space model.By using model is established in a manner of carrying out space check judgement, the effectively save cost of energy, calculating time shorten the present invention, calculating precision of analysis is high, by the importing of default H point computation rules, have ensured the accuracy calculated current H points position.
Description
Technical field
The present invention relates to field of automobile, more particularly to a kind of automobile living space check method.
Background technology
With the development of economy with the progress of technology, city dweller's car ownership rapidly increasing, road traffic accident
Have become one of the important threat of human life's safety.Therefore the general safety performance for how improving automobile, has become
The most important research direction of automobile engineer.
For automobile, body of a motor car is an important component in vehicle complete vehicle.Body of a motor car refers to vehicle
Be used for manned loading part, also refer to vehicle entirety.The vehicle body of some vehicles is both the workplace of driver and accommodates
The place of passenger and cargo.Automobile Body Modeling structure is the body language of vehicle, and design quality will directly influence vehicle
Security performance, the design of especially body of a motor car living space directly affects the safety of driver and passenger, because
This will check automobile living space in the structure design of automobile stage, to improve the general safety performance of automobile.Currently,
To check automobile living space frequently with Nastran technologies and carry out analogue simulation, Nastran technologies can shorten product development
Period optimizes product structure, enhances product performance, extending life of product and reduce development cost, is widely used to aviation
Space flight, mechanical transport, water conservancy and hydropower, architectural engineering, electronic apparatus and yard craft etc..
However, existing automobile living space check precision is relatively low, and then lead to the check to automobile living space not
Accurately, and then lead to the generation of the larger phenomenon of automobile living space error so that safety belt and air bag and body of a motor car are difficult to
Match.
Invention content
Based on this, the purpose of the present invention is to provide a kind of living spaces to check the high automobile living space check of precision
Method.
The present invention proposes a kind of automobile living space check method, wherein described method includes following steps：
Entire scan is carried out to automotive interior, to obtain living space 3D data, and according to the living space 3D data
It is modeled, to establish living space model, includes each parts difference of the automotive interior in the living space model
Corresponding model data；
It is imported in the living space model and presets H point computation rules, current H points position is calculated, described
Crash dummy data are imported in living space model, to establish crash dummy model, and according to the current H points position to described
Crash dummy model is calibrated；
Emulation solution is carried out to the crash dummy model in the living space model, to obtain current living space
Data, the current living space data include the crash dummy model and the automotive interior preset between parts away from
From data；
Judge whether the living space data meet normed space requirement, if so, exporting the living space model
Emulation data.
Automobile living space check method proposed by the present invention checks judgement by using model is established to carry out space
Mode, the effectively save cost of energy calculate time shortening, calculate precision of analysis height, pass through obtaining for the living space 3D data
It takes, to have ensured the foundation of the living space model, by the importing of the default H points computation rule, to have ensured to institute
The accuracy for stating the calculating of current H points position, the design calculated by the current H points, can be effectively to the living space mould
Type is checked, and then improves the accuracy that the automobile living space check method is checked.
Further, described to judge that the step of whether the living space data meet normed space requirement includes：
The abdomen range data, chest range data of crash dummy model described in the living space data are obtained respectively
With knee range data, and the abdomen range data, the chest range data and the knee range data are judged respectively
Whether corresponding distance threshold is less than.
Further, the abdomen range data includes the crash dummy model upper abdomen between steering wheel lower rim
Distance and the crash dummy model upper abdomen the distance between to instrument board, the chest range data includes the collision
Dummy model upper breast to the distance between instrument desk and the crash dummy model upper breast between steering wheel hub away from
From, the knee range data include on the crash dummy model knee joint to the distance between dashboard brow, described touch
Knee joint on knee joint to the distance between threshold top edge and the crash dummy model is hit on dummy model to lean on to front chair
Knee spacing on the distance between back of the body and the crash dummy model.
Further, before described the step of importing crash dummy data in the living space model, the method
Further include：
The coordinate data of the current H points position is obtained, and the living space model is calibrated according to the coordinate data
Middle front-row seats and the corresponding model of back seat.
Further, the production space data further include on the crash dummy model nose to windscreen top it
Between distance, nose is arrived to the distance between front stall chair back, the crash dummy model top on the crash dummy model
The distance between roof, the crash dummy model top the distance between enclose to side door, nose on the crash dummy model
Nose is the distance between to steering wheel hub on to the distance between steering wheel upper limb and the crash dummy model.
Further, described the step of crash dummy data are imported in the living space model, includes：
Position is driven at front row in the living space model and copilot station is directed respectively into 50% point of position and mixes III
Male dummy's data, and the heel row leftward position in the living space model imports 5% point of position and mixes III Female dummies
Data.
Further, it is described judge the step of whether the living space data meet normed space requirement after, it is described
Method further includes：
When determining the living space data and not meeting the normed space requirement, optimize the knot of the automotive interior
Structure and/or material, and return to the modeling executed in the living space 3D data.
Further, it is described judge the step of whether the living space data meet normed space requirement after, it is described
Method further includes：
The living space model, the current point positions H and the current living space data are obtained respectively, and will be obtained
The living space model, the current point positions H and the current living space data got form correspondence and carry out
Label stores.
Further, the software for emulation solution being carried out to the living space model is Nastran.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment
Obviously and it is readily appreciated that, wherein：
Fig. 1 is the flow chart for the automobile living space check method that first embodiment of the invention proposes；
Fig. 2 is the flow chart for the automobile living space check method that second embodiment of the invention proposes；
Fig. 3 is the specific implementation step flow chart of step S61 in Fig. 2.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
The present invention proposes a kind of automobile living space check method, referring to Fig. 1, in first embodiment of the invention
Automobile living space check method, described method includes following steps：
Step S10 carries out entire scan to automotive interior, to obtain living space 3D data, and according to existence sky
Between 3D data modeled, to establish living space model.
Wherein, include the corresponding model data of each parts of the automotive interior in the living space model,
When establishing the living space model, for above-mentioned automobile interiors, automobile can be set according to automobile practical structures
Connection relation in vehicle body between the material of each part and each part.Supplement, the preceding place modeled are also needed to herein
Hypermesh can be used for reason software or ANSA is modeled.
Specifically, having to facilitate the subsequently check to automobile living space by carrying out entire scan to automotive interior
The check efficiency for improving automobile living space of effect.
Step S20 is imported in the living space model and is preset H point computation rules, current H points are calculated
It sets, crash dummy data is imported in the living space model, to establish crash dummy model, and according to the current H points
Position is calibrated by the crash dummy model.
Wherein, the default H points computation rule includes default H locus of points figure and collision regulatory requirements, which wants
It asks and collides regulation for country, by the calculating of the current H points position, to have ensured that the crash dummy data import accurate
Property, specifically, the crash dummy data are based on the current H points position data and carry out coordinate position correction after importing, to protect
The accuracy of the follow-up living space model emulation process of barrier improves the check effect of the automobile living space check method
Rate.
Step S30 carries out emulation solution in the living space model to the crash dummy model, current to obtain
Living space data.
Wherein, by carrying out design of Simulation to the living space model, so that the automobile living space check method
It uses and establishes model in a manner of carrying out space and check judgement, the effectively save cost of energy calculates time shortening, calculates analysis accurately
Property it is high, specifically, the current living space data include the crash dummy model presets parts with the automotive interior
The distance between data.
Step S40, judges whether the living space data meet normed space requirement, if so, exporting the existence
The emulation data of spatial model.
Wherein, since the living space data have directly reacted the crash dummy model and default parts in automobile
The distance between, therefore the step S40 judges that the living space data are by way of numerical value may be used and judge
It is no to meet normed space requirement.
Automobile living space check method proposed by the present invention checks judgement by using model is established to carry out space
Mode, the effectively save cost of energy calculate time shortening, calculate precision of analysis height, pass through obtaining for the living space 3D data
It takes, to have ensured the foundation of the living space model, by the importing of the default H points computation rule, to have ensured to institute
The accuracy for stating the calculating of current H points position, the design calculated by the current H points, can be effectively to the living space mould
Type is checked, and then improves the accuracy that the automobile living space check method is checked.
Technical scheme of the present invention is explained in more detail with a specific example below.Referring to Fig. 2, right
In the automobile living space check method that second embodiment of the invention proposes, specific implementation step is as described below：
Step S11 carries out entire scan to automotive interior, to obtain living space 3D data, and according to existence sky
Between 3D data modeled, to establish living space model；
Wherein, include the corresponding model data of each parts of the automotive interior in the living space model,
When establishing the living space model, for above-mentioned automobile interiors, automobile can be set according to automobile practical structures
Connection relation in vehicle body between the material of each part and each part.Supplement, the preceding place modeled are also needed to herein
Hypermesh can be used for reason software or ANSA is modeled.
Specifically, having to facilitate the subsequently check to automobile living space by carrying out entire scan to automotive interior
The check efficiency for improving automobile living space of effect.
Step S21 is imported in the living space model and is preset H point computation rules, current H points are calculated
It sets；
Wherein, the default H points computation rule includes default H locus of points figure and collision regulatory requirements, which wants
It asks and collides regulation for country, by the calculating of the current H points position, to have ensured that the crash dummy data import accurate
Property, specifically, the crash dummy data are based on the current H points position data and carry out coordinate position correction after importing, to protect
The accuracy of the follow-up living space model emulation process of barrier, improves the check of the automobile living space check method
Effect.
Step S31 obtains the coordinate data of the current H points position, and calibrates the existence according to the coordinate data
Front-row seats and the corresponding model of back seat in spatial model；
Step S41, position is driven at the front row in the living space model and copilot station is directed respectively into one 50%
Position is divided to mix III male's dummy's data, the heel row leftward position in the living space model imports 5% point of position and mixes III
Female dummy data to establish crash dummy model, and carry out school according to the current point positions H to the crash dummy model
It is accurate；
Step S51 carries out emulation solution in the living space model to the crash dummy model, current to obtain
Living space data；
Wherein, the current living space data include that the crash dummy model presets parts with the automotive interior
The distance between data, to the living space model carry out emulation solution software be Nastran.
Step S61, judges whether the living space data meet normed space requirement；
Wherein, since the living space data have directly reacted the crash dummy model and default parts in automobile
The distance between, therefore the step S61 judges that the living space data are by way of numerical value may be used and judge
It is no to meet normed space requirement.
Referring to Fig. 3, for the flow chart of the specific implementation step of step S61 in Fig. 2：
Step S610 obtains the abdomen range data of crash dummy model, chest described in the living space data respectively
Portion's range data and knee range data；
Wherein, the abdomen range data include the crash dummy model upper abdomen between steering wheel lower rim away from
From the distance between with the crash dummy model upper abdomen to instrument board, the chest range data includes the crash dummy
Model upper breast is the distance between to the distance between instrument desk and the crash dummy model upper breast to steering wheel hub, institute
State knee range data include on the crash dummy model knee joint to the distance between dashboard brow, the crash dummy
On model on knee joint to the distance between threshold top edge and the crash dummy model knee joint between front stall chair back
Distance and the crash dummy model on knee spacing.
Preferably, the production space data further include on the crash dummy model nose between windscreen top
Distance, on the crash dummy model nose to the distance between front stall chair back, the crash dummy model top to vehicle
The distance between top, the crash dummy model top the distance between are enclosed to side door, nose arrives on the crash dummy model
The distance between the distance between steering wheel upper limb and nose on the crash dummy model to steering wheel hub.
Step S611 judges the abdomen range data, the chest range data and the knee range data respectively
Whether corresponding distance threshold is less than.
Please continue to refer to Fig. 2, when step S61, which determines the living space data, meets the normed space requirement,
Execute step S71.
Step S71 exports the emulation data of the living space model；
Wherein, when step S61, which determines the living space data, meets the normed space requirement, then described in judgement
The emulation data qualifier of living space model, and then by exporting the emulation data to meet the other components of follow-up automobile or function
Design.
Step S81 obtains the living space model, the current point positions H and the current living space number respectively
According to, and the living space model got, the current point positions H and the current living space data are formed into correspondence
Relationship is stored into line label；
Wherein, by by the living space model got, the current point positions H and the current living space
Data form the design that correspondence is stored into line label, effectively facilitate subsequent user and are checked to data, improve use
It experiences at family.
When step S61, which determines the living space data, does not meet the normed space requirement, step S91 is executed.
Step S91, optimizes the structure and/or material of the automotive interior, and returns to execution in the living space 3D numbers
According to modeling.
It, can effectively save cost, meter by using model is established in a manner of carrying out space and check judgement in the present embodiment
Evaluation time shortens, calculates precision of analysis height, by the acquisition of the living space 3D data, to have ensured the living space
The foundation of model, by the importing of the default H points computation rule, with ensured the current H points position is calculated it is accurate
Property, the design calculated by the current H points can effectively check the living space model, and then improve institute
State the accuracy of automobile living space check method check.
It should be appreciated that each section of the present invention can be realized with hardware, software, firmware or combination thereof.Above-mentioned
In embodiment, software that multiple steps or method can in memory and by suitable instruction execution system be executed with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of row technology or their combination are realized：With the logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit application-specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiments or example in can be combined in any suitable manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of being detached from the principle of the present invention and objective a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The range of invention is limited by claim and its equivalent.
Claims (9)
1. a kind of automobile living space check method, which is characterized in that described method includes following steps：
Entire scan is carried out to automotive interior, to obtain living space 3D data, and is carried out according to the living space 3D data
Modeling is corresponded in the living space model comprising each parts of the automotive interior respectively with establishing living space model
Model data；
It is imported in the living space model and presets H point computation rules, current H points position is calculated, in the existence
Crash dummy data are imported in spatial model, to establish crash dummy model, and according to the current point positions H to the collision
Dummy model is calibrated；
Emulation solution is carried out to the crash dummy model in the living space model, to obtain current living space number
According to the current living space data include that the crash dummy model presets the distance between parts with the automotive interior
Data；
Judge whether the living space data meet normed space requirement, if so, exporting the imitative of the living space model
True data.
2. automobile living space check method according to claim 1, which is characterized in that described to judge the living space
Whether data, which meet the step of normed space requirement, includes：
The abdomen range data, chest range data and knee of crash dummy model described in the living space data are obtained respectively
Portion's range data, and the abdomen range data, the chest range data and the knee range data are judged respectively whether
Less than corresponding distance threshold.
3. automobile living space check method according to claim 2, which is characterized in that the abdomen range data includes
The crash dummy model upper abdomen is to the distance between steering wheel lower rim and the crash dummy model upper abdomen to instrument
The distance between plate, the chest range data include the crash dummy model upper breast to the distance between instrument desk and institute
Crash dummy model upper breast is stated the distance between to steering wheel hub, the knee range data includes the crash dummy mould
In type on knee joint to the distance between dashboard brow, the crash dummy model knee joint between threshold top edge away from
From and the crash dummy model on knee joint to the distance between front stall chair back and the crash dummy model between knee
Away from.
4. automobile living space check method according to claim 1, which is characterized in that described in the living space mould
Before the step of importing crash dummy data in type, the method further includes：
Obtain the coordinate data of the current H points position, and before being calibrated in the living space model according to the coordinate data
Arrange seat and the corresponding model of back seat.
5. automobile living space check method according to claim 1, which is characterized in that the production space data are also wrapped
Nose is included on the crash dummy model on nose to the distance between windscreen top, the crash dummy model to front stall
The distance between the distance between chair back, described crash dummy model top to roof, the crash dummy model top arrive
Side door the distance between encloses, on the crash dummy model nose to the distance between steering wheel upper limb and the crash dummy mould
Nose is the distance between to steering wheel hub in type.
6. automobile living space check method according to claim 1, which is characterized in that described in the living space mould
The step of importing crash dummy data, includes in type：
Position is driven at front row in the living space model and copilot station is directed respectively into 50% point of position and mixes III male
Dummy's data, and the heel row leftward position in the living space model imports 5% point of position and mixes III Female dummy numbers
According to.
7. automobile living space check method according to claim 1, which is characterized in that described to judge the living space
After whether data meet the step of normed space requirement, the method further includes：
When determining the living space data and not meeting the normed space requirement, optimize the structure of the automotive interior
And/or material, and return to the modeling executed in the living space 3D data.
8. automobile living space check method according to claim 1, which is characterized in that described to judge the living space
After whether data meet the step of normed space requirement, the method further includes：
The living space model, the current point positions H and the current living space data are obtained respectively, and will be got
The living space model, the current point positions H and the current living space data form correspondence into line label
Storage.
9. automobile living space check method according to claim 1, which is characterized in that the living space model into
The software that row emulation solves is Nastran.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810395967.2A CN108804756A (en) | 2018-04-27 | 2018-04-27 | Automobile living space check method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810395967.2A CN108804756A (en) | 2018-04-27 | 2018-04-27 | Automobile living space check method |
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| CN112464369A (en) * | 2020-11-24 | 2021-03-09 | 一汽奔腾轿车有限公司 | Method for designing range of reinforcing ribs welded on glove box by combining dummy arrangement and CAE calculation |
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| CN112464369A (en) * | 2020-11-24 | 2021-03-09 | 一汽奔腾轿车有限公司 | Method for designing range of reinforcing ribs welded on glove box by combining dummy arrangement and CAE calculation |
| CN112464369B (en) * | 2020-11-24 | 2022-08-12 | 一汽奔腾轿车有限公司 | Method for designing range of reinforcing ribs welded on glove box by combining dummy arrangement and CAE calculation |
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