CN107633119A - A kind of underframe of coach module connecting method based on digital interface matrix - Google Patents
A kind of underframe of coach module connecting method based on digital interface matrix Download PDFInfo
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- CN107633119A CN107633119A CN201710794600.3A CN201710794600A CN107633119A CN 107633119 A CN107633119 A CN 107633119A CN 201710794600 A CN201710794600 A CN 201710794600A CN 107633119 A CN107633119 A CN 107633119A
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Abstract
The invention discloses a kind of underframe of coach module connecting method based on digital interface matrix, primary and secondary module is determined on the basis of Module Division, and the digitlization matrix of module interface is established, obtained by the structural characteristic parameter of extraction module faying face and according to specific sequence combination.The module interface matrix established can reflect the variable and immutable structural parameters of module, while designer can be by the mother-child relationship (MCR) between interface matrix, the connectivity premise of intermodule during so as to identify product design.The present invention compensate for the breach that prior art is studied module interface, be advantageous to develop hardware and software platform and the modularized design of automobile industry.
Description
Technical field
The invention belongs to Automobile Design manufacturing field, a kind of more particularly to underframe of coach based on digital interface matrix
Module connecting method.
Background technology
To meet the needs of market diversification, user customize, automobile industry is sent out towards hardware and software platform, modularization gradually
Exhibition, structure and the shared mesh for reaching the shortening homologous series product design cycle and reducing product development cost by product platform
, the at the same time selection of disparate modules can also meet the needs of user individual.
Realize product platform, modular design and manufacture, it is necessary to meet that functional module has composability and can be mutual
Transsexual two features, and the two features are all mainly reflected on the linking interface of module.Traditional hardware and software platform, modularized design
The structural style for characterizing a certain product platform or module is laid particular emphasis on, the interface of module is seldom referred to.
Scholar's height defends the country et al. Conceptual Extension that flexible interface is proposed by taking hydraulic press as an example modular design concept in machine
Application in tool product, but the use of the concept is restricted by module interface topology, is not inlayed significantly for certain one kind
The changeable functional module of the feature interface or interface structure pattern of embedded, there is presently no preferable mode to come to this generic module
Interface is characterized.
The content of the invention
In order to solve the technical problem that above-mentioned background technology proposes, the present invention is intended to provide a kind of be based on digital interface square
The underframe of coach module connecting method of battle array, makes up the breach that prior art is studied module interface.
In order to realize above-mentioned technical purpose, the technical scheme is that：
A kind of underframe of coach module connecting method based on digital interface matrix, Module Division is carried out by underframe of coach,
If wherein f-th module is the primary module of underframe of coach, q-th of module is the secondary module with primary module pre-connection, f-th of module
Interface matrix be Qf, the interface matrix of q-th of module is Qq；The structural characteristic parameter of primary and secondary module faying face is extracted respectively,
And according to Practical Project situation by these parameters be divided into variable element and can not variable element, respectively constitute variable element matrix and not
Variable element matrix；The each single item element of wherein immutable parameter matrix is a fixed real number value, the variable element of primary module
The each single item element destructing of matrix be a column matrix, its span according to the setting of Practical Project situation, primary and secondary module can
Variable element matrix and immutable parameter matrix construct interface matrix Q according to specific sequence combination is correspondingfAnd Qq；And if only if
The interface matrix Q of q-th of moduleqIn each element and f-th of module interface matrix QfIn certain a line corresponding element
It is all equal, judge that f-th of module and q-th of module can realize connection；Again using q-th of module as primary module, r-th of module is
The secondary module of pre-connection therewith, the connection judgment of two modules is carried out as procedure described above；The like, until completing all moulds
The connection of block.
Further, it is a column matrix to make each single item element in the immutable parameter matrix of primary module, and this is arranged
Each single item element in matrix is an equal real number value.
Further, when car is public transport, public transport chassis is divided into preceding root module, front overhang successively by headstock to the tailstock
Framework module, middle root module, rear overhang framework module and rear root module
Further, the preceding root module includes upper objective door region, driver area and a few passengers standing area；Before described
Phragma frame module includes both sides hindered phenolic and central channel region；The middle root module includes most passenger standing areas with
Objective door region；The rear overhang framework module includes both sides hindered phenolic and central channel region；The bottom of root module is used after described
In the power set of carrying public transport, the row's of being punished for being related to chair is laid in the top of rear root module.
Further, middle root module is double-decker, and the interface of front overhang framework module and middle root module is also double-deck knot
Structure, the main longitudinal grider of middle root module connect with front overhang framework module with the crossbeam of the interface of middle root module, the lower visitor of middle root module
Area is mounted with to ride.
Further, using front overhang framework module as primary module, the secondary module using middle root module as pre-connection therewith；It is main
Variable element in the faying face structural characteristic parameter of module includes double-decker at foot-operated interface height and stage casing module interface
The height of part, the depth of section with sill at the depth of section of entablature at the module interface of stage casing and stage casing module interface, it is main
In the faying face structural characteristic parameter of module can not variable element include body width and centre gangway width；The combination of this module
Variable element in area structure character parameter include foot-operated height, the height of double-decker part, upper main longitudinal grider depth of section, under
Main vertical beam section height, in the faying face structural characteristic parameter of secondary module can not variable element include body width and main longitudinal grider
Interval width.
The beneficial effect brought using above-mentioned technical proposal：
The present invention can distinguish variable and immutable knot when module redesigns by the digital expression of module interface
Structure parameter, and when identifying product design by mother-child relationship (MCR) between interface matrix intermodule connectivity premise, be advantageous to send out
Open up hardware and software platform and the modularized design of automobile industry.
Brief description of the drawings
Fig. 1 is the digital interface matrix schematic diagram that the present invention designs；
Fig. 2 is certain public transport chassis Module Division schematic diagram in embodiment；
Fig. 3 is digital interface matrix schematic diagram in embodiment；
Fig. 4-5 is the interface parameters positioning figure of front overhang framework module B before design；
Fig. 6-7 is middle root module C before design1Interface parameters positioning figure；
Fig. 8-9 is the interface parameters positioning figure of front overhang framework module B after design；
Figure 10-11 is middle root module C after design2Interface parameters positioning figure；
Figure 12 is composite module B-C1 interface schemas before design；
Figure 13 is composite module B-C2 interface schemas after design；
Figure 14 is public transport chassis schematic diagram before design；
Figure 15 is public transport chassis schematic diagram after design.
Embodiment
Below with reference to accompanying drawing, technical scheme is described in detail.
The digital expression of module interface is a matrix by the present invention, and the matrix is built upon underframe of coach Module Division
On the basis of, obtained by the structural characteristic parameter of extraction module faying face and according to specific sequence combination.
On the basis of module cutting is carried out to underframe of coach, it is assumed that wherein f-th of module is the primary module of this product, the
Q module is the secondary module of pre-connection therewith, and the interface matrix of f-th of module is Qf, the interface matrix of q-th of module is Qq.Carry
The structural characteristic parameter of f-th of module faying face is taken, and parameter is divided into by variable immutable knot according to the project situation of reality
Structure parameter, by interface matrix Q of the structural characteristic parameter of the module according to specific sequence combination structure product modulef.Can
The matrix each single item element destructing that variable element is formed is a column matrix, i.e.,By immutable ginseng
The matrix each single item element destructing that number is formed is an equal real number value, obtains complete module interface matrix, as shown in Figure 1.
As shown in figure 1, the interface matrix Q of and if only if pre-connection secondary moduleqIn each element and primary module interface
Matrix QfIn certain a line corresponding element it is all equal, i.e. matrix QfWith QqWhen meeting mother-child relationship (MCR), f-th of module can be realized
With the connection of q-th of module.
Variable and immutable structural parameters area when module can be redesigned according to constructed module interface matrix
Separate, while the connectivity premise of intermodule during product design can be judged by the mother-child relationship (MCR) between interface matrix.
The present embodiment is by taking the redesign of chassis stage casing module in certain public transport power form transformation process as an example to the interface square
The use of battle array is described in detail.
As shown in Fig. 2 carrying out module cutting to certain public transport chassis module, 5 modules are divided into：Leading portion modules A, proterophragma
Frame module B, middle root module C, rear overhang framework module D and rear root module E.Using proterophragma frame module as primary module, middle root module is
Module to be designed, middle root module is redesigned on the basis of module interface digital expression.Extract front overhang framework module
With the structural characteristic parameter of middle root module faying face, and according to engineering practice, these characteristic parameters are divided into alterable features
Parameter and immutable characteristic parameter, build interface matrix.
The structural characteristic parameter of the module faying face of table 1
According to the data in table 1, the digital interface matrix of each module is established.Q1Digitlization for front overhang framework module connects
Mouth matrix, Q2For the digital interface matrix of middle root module before design, Q2' for design after middle root module digital interface matrix,
Complete interface matrix is as shown in Figure 3.
Fig. 4,5 are schemed for the interface parameters positioning of front overhang framework module B before design, and Fig. 6,7 are middle root module C before design1's
Interface parameters positioning figure, Fig. 8,9 position figure for the interface parameters of front overhang framework module B after design, and Figure 10,11 are stage casing after design
Module C2Interface parameters positioning figure, Figure 12 for design before composite module B-C1 interface schemas, Figure 13 for design after composite module B-
C2 interface schemas.
The public transport is adopted as internal combustion engine driving before design, and its chassis is as shown in figure 14, and engine is positioned over chassis back segment mould
Block, middle root module top are used for disposing seat and stood for passenger, and the main purpose of wherein double-decker part is light-weighted
On the basis of be used for supporting the weight of passenger, lifting rigidity of the vehicle simultaneously avoids local stress excessive.The power shape of the public transport after design
Formula is pure motorized motions, and its chassis is as shown in figure 15, and battery case is placed between the double-decker part of middle root module in advance, so setting
The distance of double-decker part after meter should suitably increase according to the height of battery case and be aided with installation and support the skeleton of battery case,
At the same time the attribute of double-decker part component parts can suitably be adjusted according to the quality of battery case.Investigating certain reality
In the case of, centering root module has carried out following improvement：Distance increases to 300mm between double-decker part；Middle section structure part crossbeam changes
With vertical shape square tube；Diagonal brace is added between upper and lower structures part；The addition battery case installation of understructure part and support meanss；Lower floor
Structural member crossbeam square tube thickness increases 1.0mm.
The digital interface matrix of middle root module is before design, on the basis of primary and secondary module interface matrix relationship is considered
Centering root module carries out adaptability design, and the digital interface matrix of middle root module is (350 300 50 50 2415 after design
865) the mother-child relationship (MCR) requirement that can be attached between primary and secondary module, is met, so can realize well and front overhang skeleton pattern
Connection between block.
The redesign of root module is built upon on the basis of the digital expression of module interface in chassis, the digitlization table of interface
Danone enough allows designer to have good macroscopic design concept before module redesign, while whether can determine that design result
The requirement that intermodule can realize connection can be reached.
The technological thought of above example only to illustrate the invention, it is impossible to protection scope of the present invention is limited with this, it is every
According to technological thought proposed by the present invention, any change done on the basis of technical scheme, the scope of the present invention is each fallen within
Within.
Claims (6)
- A kind of 1. underframe of coach module connecting method based on digital interface matrix, it is characterised in that：Underframe of coach is carried out Module Division, if wherein f-th of module is the primary module of underframe of coach, q-th of module is the secondary module with primary module pre-connection, The interface matrix of f-th of module is Qf, the interface matrix of q-th of module is Qq；The structure of primary and secondary module faying face is extracted respectively Characteristic parameter, and according to Practical Project situation by these parameters be divided into variable element and can not variable element, respectively constitute variable ginseng Matrix number and immutable parameter matrix；The each single item element of wherein immutable parameter matrix is a fixed real number value, primary module The each single item element destructing of variable element matrix be a column matrix, its span is set according to Practical Project situation, lead, The variable element matrix and immutable parameter matrix of secondary module construct interface matrix Q according to specific sequence combination is correspondingfWith Qq；The interface matrix Q for q-th of module that and if only ifqIn each element and f-th of module interface matrix QfIn certain a line Corresponding element it is all equal, judge that f-th of module and q-th of module can realize connection；Again using q-th of module as main mould Block, r-th of module are the secondary module of pre-connection therewith, carry out the connection judgment of two modules as procedure described above；Successively to every Individual module is attached judgement, until completing the connection of all modules.
- 2. according to right described in require 1 the underframe of coach module connecting method based on digital interface matrix, it is characterised in that： It is a column matrix to make each single item element in the immutable parameter matrix of primary module, and each single item element in this column matrix It is an equal real number value.
- 3. the underframe of coach module connecting method based on digital interface matrix according to claim 1, it is characterised in that：When When car is public transport, public transport chassis by headstock to the tailstock be divided into successively preceding root module, front overhang framework module, middle root module, Rear overhang framework module and rear root module.
- 4. the underframe of coach module connecting method based on digital interface matrix according to claim 3, it is characterised in that：Institute Root module includes upper objective door region, driver area and a few passengers standing area before stating；The front overhang framework module includes both sides Hindered phenolic and central channel region；The middle root module includes most passenger standing areas and get-off door region；The rear overhang Framework module includes both sides hindered phenolic and central channel region；The bottom of root module is used for the power dress for carrying public transport after described Put, the row's of being punished for being related to chair is laid in the top of rear root module.
- 5. the underframe of coach module connecting method based on digital interface matrix according to claim 4, it is characterised in that：In Root module is double-decker, and the interface of front overhang framework module and middle root module is also double-decker, the main longitudinal grider of middle root module Connect with front overhang framework module with the crossbeam of the interface of middle root module, the Xia Ke areas of middle root module are mounted with to ride.
- 6. the underframe of coach module connecting method based on digital interface matrix according to claim 5, it is characterised in that：Will Front overhang framework module is as primary module, the secondary module using middle root module as pre-connection therewith；The faying face structure of primary module is special Variable element in sign parameter includes the height and stage casing mould of double-decker part at foot-operated interface height and stage casing module interface The depth of section of block interface entablature, the depth of section with sill at the module interface of stage casing, the faying face structure of primary module In characteristic parameter can not variable element include body width and centre gangway width；In the faying face structural characteristic parameter of this module Variable element include foot-operated height, the beam section height that the height of double-decker part, the depth of section of upper main longitudinal grider, lower master indulge Degree, in the faying face structural characteristic parameter of secondary module can not variable element include body width and main longitudinal grider interval width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710794600.3A CN107633119B (en) | 2017-09-06 | 2017-09-06 | Bus chassis module connection method based on digital interface matrix |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710794600.3A CN107633119B (en) | 2017-09-06 | 2017-09-06 | Bus chassis module connection method based on digital interface matrix |
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| Publication Number | Publication Date |
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| CN107633119A true CN107633119A (en) | 2018-01-26 |
| CN107633119B CN107633119B (en) | 2023-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710794600.3A Active CN107633119B (en) | 2017-09-06 | 2017-09-06 | Bus chassis module connection method based on digital interface matrix |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113242139A (en) * | 2021-03-24 | 2021-08-10 | 江铃汽车股份有限公司 | Vehicle network signal platform design method |
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| WO2015180196A1 (en) * | 2014-05-27 | 2015-12-03 | 中国空间技术研究院 | Multidisciplinary optimization-based system for determining satellite overall plan, and implementation method |
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