CN107330199B - Automatic design system and design method for automobile radiator based on CATIA (computer-graphics aided three-dimensional Interactive application) - Google Patents
Automatic design system and design method for automobile radiator based on CATIA (computer-graphics aided three-dimensional Interactive application) Download PDFInfo
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- CN107330199B CN107330199B CN201710536097.1A CN201710536097A CN107330199B CN 107330199 B CN107330199 B CN 107330199B CN 201710536097 A CN201710536097 A CN 201710536097A CN 107330199 B CN107330199 B CN 107330199B
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Abstract
The invention discloses an automatic design system of an automobile radiator based on CATIA and a method thereof, comprising the following steps: selecting a main body of the automobile radiator in the database according to design requirements, and creating an automobile radiator model; the database comprises the body and features of the automotive radiator created in the CATIA platform; establishing a coordinate system according to the selected automobile radiator main body and the arrangement position; calling the characteristics of the automobile radiator in the database, and adding the characteristics of the automobile radiator into an automobile radiator model according to the coordinate system and the type and the number of the characteristics; the automobile radiator model is processed to complete the design of the automobile radiator, the system of parts in the design process executes the flow design and the parametric design according to the product design logic relation, the system directly carries out parameter selection and parameter change on the calling data, and the system can quickly design the specific structure of the radiator according to the product design requirement.
Description
Technical Field
The invention relates to the technical field of heat dissipation devices, in particular to an automatic design system and a design method of an automobile radiator based on CATIA (computer-graphics aided three-dimensional Interactive application).
Background
In recent years, the automobile industry is in the way of unprecedented development, and in order to meet the increasing demands of people on automobiles, the putting-in period of novel automobiles is also continuously shortened. Shortening the market-putting period of the product necessarily compresses the development period of the product, so that a method for improving the data design quality and efficiency of the product becomes a key for judging whether the automobile can enter the market on time or in advance. The automobile radiator is used as a part in the whole automobile, the development cycle of the automobile radiator also influences the development efficiency of the whole product, when a new radiator part is designed, most parts of a reinforcing rib structure and a clamping structure of the automobile radiator need to be redesigned, and the development cycle of the whole product is long.
The automobile radiator is a plastic part and is an injection molding product with typical characteristics of a multi-reinforcing rib and multi-clamping structure. The typical structure shapes and sizes of different radiators are not consistent, the data structures are similar but can not be directly called, most structures in new product data need to be redesigned every time, and the data design quality and efficiency are low. Aiming at improving the quality and efficiency of data design, a plurality of methods are provided, which are mainly embodied in two aspects of parametric modeling and typical structure database calling. These two methods only achieve rapid modeling on local features of the product, but do not achieve automated design for the design flow and the entire product.
Disclosure of Invention
In view of the above problems, the present invention provides an automatic design system and method for an automotive heat sink based on the CATIA.
In order to solve the problems existing in the background technology, the technical scheme of the invention is as follows:
an automatic design method of an automobile radiator based on CATIA (computer-graphics aided three-dimensional interactive application), comprising the following steps:
s1: selecting a main body of the automobile radiator in the database according to design requirements, and creating an automobile radiator model; the database comprises the body and features of the automotive radiator created in the CATIA platform;
s2: establishing a coordinate system according to the selected automobile radiator main body and the arrangement position;
s3: calling the characteristics of the automobile radiator in the database, and adding the characteristics of the automobile radiator into an automobile radiator model according to the coordinate system and the type and the number of the characteristics;
s4: and processing the automobile radiator model to complete the design of the automobile radiator.
The database creating process comprises the following steps:
and loading the automobile radiator system to a CATIA environment, uploading parts of the automobile radiator to form a database, wherein the list of the main body and the characteristics comprises data names, descriptions and storage paths.
The list of subjects and features also includes a picture of the part that is displayed when the data is called.
The step S2 specifically includes:
coordinate points are created in the CATIA platform first, and then a coordinate system is created from the coordinate points.
The step S4 of processing the auto radiator model includes modifying the size parameter of the auto radiator model, and then performing boolean operation and shell extraction on the auto radiator model.
An automatic design system of an automobile radiator based on CATIA (computer-graphics aided three-dimensional interactive application), comprising: the system comprises a database module, a creation module and a processing module:
the database module is used for uploading and storing the main body and the characteristics of the automobile radiator;
the system comprises a creating module, a model setting module and a control module, wherein the creating module is used for selecting a main body of the automobile radiator in a database according to design requirements, creating an automobile radiator model, creating a coordinate system according to the selected automobile radiator main body and the arrangement position, calling the characteristics of the automobile radiator in the database, and adding the characteristics of the automobile radiator into the automobile radiator model according to the coordinate system and the type and the number of the characteristics;
and the processing module is used for processing the automobile radiator model to complete the design of the automobile radiator.
The list of bodies and features includes data names, descriptions, and storage paths.
The list of subjects and features also includes a picture of the part that is displayed when the data is called.
The processing module is specifically used for processing the automobile radiator model, and comprises the steps of modifying the size parameters of the automobile radiator model, and then performing Boolean operation and shell extraction on the automobile radiator model.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides an automatic design system of an automobile radiator based on CATIA and a method thereof, which directly embeds the automobile radiator into the CATIA environment after installation is executed through an independent installation program, establishes a database of the automobile radiator, and creates a template of characteristics (Powercopy) and a part level (documentTemplate), thereby realizing that the system of the part executes flow design and parametric design according to the product design logic relation in the design process, the system directly selects and changes parameters of calling data, the system can quickly design the specific structure of the radiator according to the product design requirement, and the radiator structure design can be quickly and qualitatively completed through the perfection and refinement of designers. Therefore, the development period of the automobile radiator is shortened, the workload of designers is reduced, and the design cost is reduced. The design of the product is more flexible and faster, the design flow of the automobile radiator is developed and unified, cooperation among different designers is facilitated, and the working efficiency and the accuracy are greatly improved.
Drawings
FIG. 1 is a flow chart of the method of the present invention;
fig. 2 is a schematic diagram of the system structure of the invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the invention provides an automatic design method of an automobile radiator based on a CATIA, which comprises the following steps:
s1: selecting a main body of the automobile radiator in the database according to design requirements, and creating an automobile radiator model; the database comprises the body and features of the automotive radiator created in the CATIA platform;
the database creating process comprises the following steps:
and loading the automobile radiator system to a CATIA environment, uploading parts of the automobile radiator to form a database, wherein the list of the main body and the characteristics comprises data names, descriptions and storage paths. The main body and feature list also comprises pictures of parts displayed during data calling, the pictures captured during data uploading are consistent, the displayed pictures are mainly used for helping to correctly select the main body and feature data, and the picture capturing position is the main view direction.
S2: establishing a coordinate system according to the selected automobile radiator main body and the arrangement position;
after the main body characteristics are selected, ribs and clamping structures need to be arranged, positioning needs to be established before the typical structures are arranged, the positioning position and direction are determined by points and the directions of a coordinate system, coordinate points are established according to the arrangement positions of the typical structures, and the coordinate points are established by the method with the same function as the method for establishing the points under the CATIA software environment; the coordinate system is used for limiting the spatial position and the angle of the typical structure of the heat radiator, and the coordinate system creating method is the same as the coordinate system creating method under the CATIA environment.
S3: calling the characteristics of the automobile radiator in the database, and adding the characteristics of the automobile radiator into an automobile radiator model according to the coordinate system and the type and the number of the characteristics;
s4: and processing the automobile radiator model to complete the design of the automobile radiator.
The processing of the automobile radiator model comprises the steps of modifying the size parameters of the automobile radiator model, and then carrying out Boolean operation and shell extraction on the automobile radiator model.
The size parameters are modified: the called structural feature is parameterized, and the parameter of the called feature can be directly updated. Selecting a feature to be changed in the CATIA structure tree or the 3D data by the Select, displaying all parameters below the parameterized feature in a property dialog box, and directly updating parameter values in the property dialog box.
As shown in fig. 2, the present invention further provides an automatic design system for an automobile radiator based on CATIA, including: database module 1, creation module 2, and processing module 3:
the database module 1 is used for uploading and storing the main body and the characteristics of the automobile radiator;
the creating module 2 is used for selecting a main body of the automobile radiator in the database according to design requirements, creating an automobile radiator model, creating a coordinate system according to the selected automobile radiator main body and the arrangement position, calling the characteristics of the automobile radiator in the database, and adding the characteristics of the automobile radiator into the automobile radiator model according to the coordinate system and the type and number of the characteristics;
and the processing module 3 is used for processing the automobile radiator model to complete the design of the automobile radiator.
The list of bodies and features includes data names, descriptions, and storage paths.
The list of subjects and features also includes a picture of the part that is displayed when the data is called.
The processing module 3 is specifically configured to process the auto radiator model, including modifying a size parameter of the auto radiator model, and then perform boolean operation and shell extraction on the auto radiator model.
The invention takes CATIA software as a platform, CAA as a development language, and an intelligent engineering design method, namely knowledge engineering (KBE), as a technical core, and aims at the automobile part industry to carry out intelligent and navigation design on the automobile radiator structure. Compared with the traditional general CAD design mode, the design efficiency is improved by at least 50 percent. The main functional advantages of the development software of the invention are as follows:
(1) the system supports the versions above CATIAV5R17, can be installed and used in the environment of the versions above CATIAV5R17, and inherits all functions of the versions above CATIAV5R 17;
(2) and (4) designing a parametric variant. The standard component library and the standard feature library can be easily designed and established;
(3) navigational design mode. The design of the automobile radiator crosses the limitation of the complexity of the traditional parameterized modeling CAD, and the automobile radiator structure can be easily designed according to the navigation design function of the system by professionals with rich experience or beginners who just enter the design field;
(4) and (4) intelligent design mode. According to the design information of the user, similar design templates are searched through example reasoning, and then the corresponding parts are modified and redesigned through rule reasoning by combining a specialized knowledge base and a rule base, so that the design result is intelligently deduced.
It will be appreciated by those skilled in the art that the foregoing embodiments are merely preferred embodiments of the invention, and thus, modifications, variations and equivalents of the parts of the invention may be made by those skilled in the art, which are still within the spirit of the invention and which are intended to be within the scope of the invention.
Claims (7)
1. An automatic design method of an automobile radiator based on CATIA is characterized by comprising the following steps:
s1: selecting a main body of the automobile radiator in the database according to design requirements, and creating an automobile radiator model; the database comprises the body and features of the automotive radiator created in the CATIA platform;
s2: establishing a coordinate system according to the selected automobile radiator main body and the arrangement position;
s3: calling the characteristics of the automobile radiator in the database, and adding the characteristics of the automobile radiator into an automobile radiator model according to the coordinate system and the type and the number of the characteristics;
s4: processing the automobile radiator model to complete the design of the automobile radiator; the step S4 of processing the auto radiator model includes modifying the size parameter of the auto radiator model, and then performing boolean operation and shell extraction on the auto radiator model.
2. The CATIA-based automotive radiator automated design method of claim 1, wherein the database creation process is:
and loading the automobile radiator system to a CATIA environment, uploading parts of the automobile radiator to form a database, wherein the list of the main body and the characteristics comprises data names, descriptions and storage paths.
3. The CATIA-based automotive radiator automated design method of claim 2, wherein the list of subjects and features further comprises a picture of a part for display upon data invocation.
4. The CATIA-based automatic design method for automobile radiator of claim 1, wherein the step S2 specifically comprises:
coordinate points are created in the CATIA platform first, and then a coordinate system is created from the coordinate points.
5. An automatic design system of an automobile radiator based on CATIA (computer-graphics aided three-dimensional Interactive application), which is characterized by comprising: the system comprises a database module, a creation module and a processing module:
the database module is used for uploading and storing the main body and the characteristics of the automobile radiator;
the system comprises a creating module, a model setting module and a control module, wherein the creating module is used for selecting a main body of the automobile radiator in a database according to design requirements, creating an automobile radiator model, creating a coordinate system according to the selected automobile radiator main body and the arrangement position, calling the characteristics of the automobile radiator in the database, and adding the characteristics of the automobile radiator into the automobile radiator model according to the coordinate system and the type and the number of the characteristics;
the processing module is used for processing the automobile radiator model to complete the design of the automobile radiator; the processing module is specifically used for processing the automobile radiator model, and comprises the steps of modifying the size parameters of the automobile radiator model, and then performing Boolean operation and shell extraction on the automobile radiator model.
6. A CATIA-based automotive radiator automated design system as claimed in claim 5, wherein the list of bodies and features contains data names, descriptions, and storage paths.
7. The CATIA-based automotive radiator automated design system of claim 6, wherein the list of subjects and features further comprises a picture of the part for display upon data recall.
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| CN112001006A (en) * | 2020-08-06 | 2020-11-27 | 盐城工学院 | PTS-based modular design system for automobile spraying forced cooling chamber |
| CN112163270B (en) * | 2020-09-04 | 2022-09-13 | 中国第一汽车股份有限公司 | CFD automatic modeling and analyzing system and method based on ANSA and StarCCM + platform |
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| CN101340799A (en) * | 2007-07-06 | 2009-01-07 | 北京航空航天大学 | Streamline shaped heat radiator for electronic equipment |
| CN101504689A (en) * | 2009-03-26 | 2009-08-12 | 北京航空航天大学 | Radiator optimizing parameter confirming method and radiator with optimizing parameter |
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| CN104657552A (en) * | 2015-02-10 | 2015-05-27 | 北京宇航系统工程研究所 | Automatic rocket tank structure three-dimensional model constructing system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7943428B2 (en) * | 2008-12-24 | 2011-05-17 | International Business Machines Corporation | Bonded semiconductor substrate including a cooling mechanism |
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Patent Citations (4)
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|---|---|---|---|---|
| CN101340799A (en) * | 2007-07-06 | 2009-01-07 | 北京航空航天大学 | Streamline shaped heat radiator for electronic equipment |
| CN101504689A (en) * | 2009-03-26 | 2009-08-12 | 北京航空航天大学 | Radiator optimizing parameter confirming method and radiator with optimizing parameter |
| CN103870273A (en) * | 2014-03-12 | 2014-06-18 | 同济大学 | Automobile digital collaboration development platform system framework |
| CN104657552A (en) * | 2015-02-10 | 2015-05-27 | 北京宇航系统工程研究所 | Automatic rocket tank structure three-dimensional model constructing system |
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