CN112434445A - Three-dimensional wiring design method for space optical remote sensor - Google Patents
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Abstract
The invention discloses a method for designing three-dimensional wiring of a space optical remote sensor, which can be used for wiring design based on a three-dimensional design model in a software environment with PTC/ProeE5.0 and above versions, and comprises the steps of simplifying the three-dimensional design model of the remote sensor and solving the problem of a large model; setting the electrical properties of three-dimensional models of the equipment, the interface and the electric connector, wherein the three-dimensional models comprise an element code and an interface code; combing a contact relation table, wherein equipment and an electric connector in the table are consistent with the three-dimensional model; importing a contact relation table, and establishing a one-to-one association relation between the table and the model in the model; the wiring design is developed based on any curved surface, and three-dimensional wiring path setting can be set in two modes including a control point mode or a line clamp mode; flux check of each control point or wire clip; and automatically generating a cable branching diagram and a wire report.
Description
Technical Field
The invention belongs to the technical field of wiring design of space optical remote sensors, and particularly relates to a three-dimensional wiring design method of a space optical remote sensor.
Background
At present, in the aspect of a wiring design method of a space optical remote sensor, the two-dimensional expression is mainly adopted, the on-site production is followed, the output interface relation is designed and output by combining the sampling calculation on a physical prototype, and a cable processing diagram is put into operation. The specific wiring design flow is shown in fig. 1.
In the aspect of a three-dimensional wiring design platform, platforms developed by an electric locomotive and the communication industry in UG and Catia software environments respectively exist, and a wiring platform based on a PTC/ProE5.0 software environment does not exist.
The conventional wiring method has problems as follows:
(1) the traditional optical remote sensor wiring design is not suitable for the development model of one-step prototype due to the fact that the traditional optical remote sensor wiring design is necessarily dependent on a physical prototype
(2) Wiring design intervenes late, and the design of wiring path, turning radius, length and the like is optimized completely depending on experience, most of the time brings a large amount of redundant designs for ensuring reliability, and the wiring design is not optimized and is not beautiful enough.
(3) The design efficiency of large-batch cables is low, cable models must depend on structural design models, the three-dimensional cable design models cannot be opened independently, design information is difficult to extract, a single cable engineering drawing cannot be generated, and the difficulty in subsequent recycling of the cable models cannot support the three-dimensional cable design models to be released from factories.
The platform developed in the two software environments based on UG and Catia is not suitable for three-dimensional wiring of remote sensors, because the optical remote sensors are mainly performed on a PTC/proe 5.0-based three-dimensional design platform and cannot be replaced into the platforms of UG and Catia.
Disclosure of Invention
The technical problem solved by the invention is as follows: the method can be used for developing three-dimensional wiring design in a design stage, changing serial wiring into parallel wiring, being applicable to one-step prototype models, developing design based on models, providing a basis and possibility for wiring optimization, automatically outputting cable branching diagrams and wire reports, reducing errors caused by manual operation and improving efficiency.
The purpose of the invention is realized by the following technical scheme: a three-dimensional wiring design method for a space optical remote sensor comprises the following steps: (1) in PTC/ProE5.0 software, simplifying a three-dimensional design model of a remote sensor, deleting or simplifying all three-dimensional models irrelevant to wiring according to the principle of minimizing wiring requirements and the principle of guiding the wiring intuitiveness of an assembly field, wherein the simplified three-dimensional design model is a three-dimensional wiring basic model, and installation coordinate systems of all equipment models and electric connector models must be reserved while simplification is carried out; the three-dimensional wiring basic model comprises an electric connector model and an equipment model; (2) sequentially establishing a wiring coordinate system and a plug butting coordinate system for the electric connector model in the step (1), and storing the model to obtain an updated three-dimensional wiring basic model; (3) sequentially setting the electrical attributes of the equipment model in the step (1) based on the updated three-dimensional wiring basic model in the step (2) to obtain a three-dimensional wiring basic model marked with the electrical attributes of the equipment; (4) sequentially setting the electrical attributes of the electrical connector model based on the three-dimensional wiring basic model marked with the electrical attributes of the equipment in the step (3) to obtain a three-dimensional wiring basic model marked with the electrical attributes of the electrical connector; (5) establishing an Excel table, defining a name as a node relation table, naming a first worksheet as a wire gauge table, and defining wire gauge attributes according to the name, the type, the diameter, the minimum turning radius, the unit mass and the color in sequence to obtain a node relation table with a defined wire gauge; (6) based on the node relation table of the wire gauge defined in the step (5), a working table is newly established and named as a connection relation table, the cable connection relation is combed according to the equipment model with the electrical property set in the step (3) and the electric connector model with the electrical property set in the step (4), and the connection relation attribute is defined according to the wire harness name, the cable name, the starting point code, the ending point code and the wire gauge in sequence to form the node relation table with the connection relation defined; (7) based on the node relation table with the connection relation defined in the step (6), a working table is newly established and named as a plug installation setting table, and based on the electric connector model with the electric properties set in the step (4), three-dimensional model names of plugs or sockets needing to be installed at the electric connectors are sequentially defined to obtain a completely defined node relation table; (8) importing the node relation table defined completely in the step (7) into the three-dimensional wiring basic model marked with the electric connector attributes in the step (4), and writing all the connection relation, the wire gauge information and the plug installation information into the three-dimensional wiring basic model marked with the electric connector attributes in the step (4) to obtain a wiring model with complete information; (9) based on the wiring model with complete information defined in the step (8), a skeleton model is newly established, and a node relation table with complete definition in the wiring model with complete information and installation coordinate systems of the equipment model and the electric connector model are written into the skeleton model; (10) defining control points in the wiring model with complete information defined in the step (8), and writing the control points into the skeleton model; (11) defining a cable routing path for each cable in the skeleton model in the step (10), wherein the routing path realizes cable path planning through a spline curve; (12) generating a three-dimensional cable model according to the cable routing path defined in the step (11) in the completely-information wiring model defined in the step (8); (13) and (5) comparing the flux value of the control point set in the step (10) with the diameter of the three-dimensional cable model in the step (12), and finishing the flux check of each control point.
In the three-dimensional wiring design method of the space optical remote sensor, in the step (2), the Z axes of the wiring coordinate system and the plug butt joint coordinate system of each electric connector model are opposite and form an angle of 180 degrees; the wiring coordinate system of each electrical connector model is consistent with the x-axis direction of the plug mating coordinate system.
In the method for designing the three-dimensional wiring of the space optical remote sensor, in the step (5), the name is self-defined.
In the three-dimensional wiring design method of the space optical remote sensor, in the step (5), the type is set according to the type of the cable in the PTC/ProE5.0 software in the step (1).
In the three-dimensional wiring design method of the space optical remote sensor, in the step (5), the diameter and the turning radius follow the unit system of the PTC/ProE5.0 software in the step (1).
In the three-dimensional wiring design method of the space optical remote sensor, in the step (5), the color name is consistent with the color name in the PTC/ProE5.0 software in the step (1).
In the three-dimensional wiring design method of the space optical remote sensor, in the step (6), the starting point code is the electric attribute name of the electric connector in the step (4); the terminal code is the electrical attribute name of the electrical connector in the step (4); and (4) the wire gauge is the name of the wire gauge defined in the step (4).
In the three-dimensional wiring design method of the space optical remote sensor, in the step (6), the control points comprise the positions, the directions and the fluxes of the control points; the control points are defined on an arbitrary surface.
In the three-dimensional wiring design method of the space optical remote sensor, in the step (13), the flux of the control point is compared with the actual flux, and the position where the actual flux is too large and the cable possibly cannot pass is pre-warned, so that flux inspection is realized.
In the method for designing the three-dimensional wiring of the space optical remote sensor, any curved surface comprises a plane, a revolution surface and a high-order curved surface.
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention provides a method for simplifying a three-dimensional design model, which solves the problem of a large model.
(2) The three-dimensional wiring based on the model replaces the traditional field sampling wiring depending on a physical prototype, and is favorable for one-step prototype development and model wiring design.
(3) According to the invention, three-dimensional wiring is developed based on the model, wiring design can be started as soon as optical machine design is completed, information such as thickness, length and the like of a cable can be accurately estimated by comprehensively and accurately calculating wiring paths, turning radii, lengths, flux inspection and the like, and optimization of the wiring design of the optical remote sensor is facilitated.
(4) Compared with a Pro/E native cable design module, the method has the advantages that the cable port information is defined in the EXCEL form, the connection relation is defined through the form, the operation is simple, the design efficiency is high, the data accuracy is ensured, and meanwhile, the BOM and the cable branch diagram of the cable are automatically derived to guide the purchasing production and the field wiring.
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Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a prior art wiring design flow diagram;
fig. 2 is a flowchart of a three-dimensional wiring design method of a space optical remote sensor according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Fig. 2 is a flowchart of a three-dimensional wiring design method of a space optical remote sensor according to an embodiment of the present invention. As shown in fig. 2, the method comprises the steps of:
(1) in PTC/ProE5.0 software, simplifying a three-dimensional design model of a remote sensor, deleting or simplifying all three-dimensional models irrelevant to wiring according to the principle of minimizing wiring requirements and the principle of guiding the wiring intuitiveness of an assembly field, wherein the simplified three-dimensional design model is a three-dimensional wiring basic model, and installation coordinate systems of all equipment models and electric connector models must be reserved while simplification is carried out; the three-dimensional wiring basic model comprises an electric connector model and an equipment model;
(2) sequentially establishing a wiring coordinate system and a plug butting coordinate system for the electric connector model in the step (1), and storing the model to obtain an updated three-dimensional wiring basic model; the Z axes of the wiring coordinate system of each electric connector model and the Z axis of the plug butting coordinate system are opposite and form an angle of 180 degrees, and the directions of the X axes are consistent;
(3) sequentially setting the electrical attributes of the equipment model in the step (1) based on the updated three-dimensional wiring basic model in the step (2) to obtain a three-dimensional wiring basic model marked with the electrical attributes of the equipment;
(4) sequentially setting the electrical attributes of the electrical connector model based on the three-dimensional wiring basic model marked with the electrical attributes of the equipment in the step (3) to obtain a three-dimensional wiring basic model marked with the electrical attributes of the electrical connector;
(5) establishing an Excel table, defining a name as a node relation table, naming a first worksheet as a wire gauge table, and defining wire gauge attributes according to the name, the type, the diameter, the minimum turning radius, the unit mass and the color in sequence to obtain a node relation table with a defined wire gauge; the name is self-defined and is convenient to distinguish, the type is set according to the type of the cable in the PTC/ProE5.0 software in the step I, the diameter and the turning radius follow the unit system of the PTC/ProE5.0 software in the step I, the specific numerical value is measured according to the actual cable, and the color name is consistent with the color name in the PTC/ProE5.0 software in the step I;
(6) based on the node relation table of the wire gauge defined in the step (5), a working table is newly established and named as a connection relation table, the cable connection relation is combed according to the equipment model with the electrical property set in the step (3) and the electrical connector model with the electrical property set in the step (4), and the connection relation attribute is defined sequentially according to the wire harness name, the cable name, the starting point code (the electrical property name of the electrical connector in the step (4)), the end point code (the electrical property name of the electrical connector in the step (4)) and the wire gauge (the wire gauge name defined in the step (5) is selected) to form the node relation table with the connection relation defined;
(7) based on the node relation table with the connection relation defined in the step (6), a working table is newly established and named as a plug installation setting table, and based on the electric connector model with the electric properties set in the step (4), three-dimensional model names of plugs or sockets needing to be installed at the electric connectors are sequentially defined to obtain a completely defined node relation table;
(8) importing the node relation table defined completely in the step (7) into the three-dimensional wiring basic model marked with the electric connector attributes in the step (4), and writing all the connection relation, the wire gauge information and the plug installation information into the three-dimensional wiring basic model marked with the electric connector attributes in the step (4) to obtain a wiring model with complete information;
(9) based on the wiring model with complete information defined in the step (8), a skeleton model is newly established, and a node relation table with complete definition in the wiring model with complete information and installation coordinate systems of the equipment model and the electric connector model are written into the skeleton model;
(10) the information-complete wiring model defined in step (8) defines control points, including the positions, directions and fluxes of the control points, and the control points can be defined on any curved surface including planes, surfaces of revolution and high-order curved surfaces. Writing the control points into the skeleton model;
(11) defining a cable routing path for each cable in the skeleton model in the step (10), wherein the routing path realizes cable path planning through a spline curve;
(12) generating a three-dimensional cable model according to the cable routing path defined in the step (11) in the completely-information wiring model defined in the step (8);
(13) and (3) comparing the flux value of the control point set in the step (10) with the diameter of the three-dimensional cable model in the step (12), completing flux inspection of each control point, and pre-warning the position where the actual flux is too large and the cable possibly cannot pass through by comparing the flux of the control point with the actual flux to realize the flux inspection.
(14) And automatically generating a cable branching diagram and a cable design BOM through analysis of the cable.
PTC/ProE5.0 is a three-dimensional modeling software environment. The space optical remote sensor is a remote sensor for observing and detecting space and earth in high-rise atmosphere and atmosphere outer space by using an optical principle. The equipment is electronic equipment in a remote sensor system; the electric connector is an external output interface in the electronic equipment; the contact relation table is a table for recording the interface relation between the equipment; the control points are virtual points in a model that can be routed and include flux properties and direction properties.
The invention provides a method for simplifying a three-dimensional design model, which solves the problem of a large model. The three-dimensional wiring based on the model replaces the traditional field sampling wiring depending on a physical prototype, and is favorable for one-step prototype development and model wiring design. According to the invention, three-dimensional wiring is developed based on the model, wiring design can be started as soon as optical machine design is completed, information such as thickness, length and the like of a cable can be accurately estimated by comprehensively and accurately calculating wiring paths, turning radii, lengths, flux inspection and the like, and optimization of the wiring design of the optical remote sensor is facilitated. Compared with a Pro/E native cable design module, the method has the advantages that the cable port information is defined in the EXCEL form, the connection relation is defined through the form, the operation is simple, the design efficiency is high, the data accuracy is ensured, and meanwhile, the BOM and the cable branch diagram of the cable are automatically derived to guide the purchasing production and the field wiring.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make variations and modifications of the present invention without departing from the spirit and scope of the present invention by using the methods and technical contents disclosed above.
Claims (10)
1. A three-dimensional wiring design method for a space optical remote sensor is characterized by comprising the following steps:
(1) in PTC/ProE5.0 software, simplifying a three-dimensional design model of a remote sensor, deleting or simplifying all three-dimensional models irrelevant to wiring according to the principle of minimizing wiring requirements and the principle of guiding the wiring intuitiveness of an assembly field, wherein the simplified three-dimensional design model is a three-dimensional wiring basic model, and installation coordinate systems of all equipment models and electric connector models must be reserved while simplification is carried out; the three-dimensional wiring basic model comprises an electric connector model and an equipment model;
(2) sequentially establishing a wiring coordinate system and a plug butting coordinate system for the electric connector model in the step (1), and storing the model to obtain an updated three-dimensional wiring basic model;
(3) sequentially setting the electrical attributes of the equipment model in the step (1) based on the updated three-dimensional wiring basic model in the step (2) to obtain a three-dimensional wiring basic model marked with the electrical attributes of the equipment;
(4) sequentially setting the electrical attributes of the electrical connector model based on the three-dimensional wiring basic model marked with the electrical attributes of the equipment in the step (3) to obtain a three-dimensional wiring basic model marked with the electrical attributes of the electrical connector;
(5) establishing an Excel table, defining a name as a node relation table, naming a first worksheet as a wire gauge table, and defining wire gauge attributes according to the name, the type, the diameter, the minimum turning radius, the unit mass and the color in sequence to obtain a node relation table with a defined wire gauge;
(6) based on the node relation table of the wire gauge defined in the step (5), a working table is newly established and named as a connection relation table, the cable connection relation is combed according to the equipment model with the electrical property set in the step (3) and the electric connector model with the electrical property set in the step (4), and the connection relation attribute is defined according to the wire harness name, the cable name, the starting point code, the ending point code and the wire gauge in sequence to form the node relation table with the connection relation defined;
(7) based on the node relation table with the connection relation defined in the step (6), a working table is newly established and named as a plug installation setting table, and based on the electric connector model with the electric properties set in the step (4), three-dimensional model names of plugs or sockets needing to be installed at the electric connectors are sequentially defined to obtain a completely defined node relation table;
(8) importing the node relation table defined completely in the step (7) into the three-dimensional wiring basic model marked with the electric connector attributes in the step (4), and writing all the connection relation, the wire gauge information and the plug installation information into the three-dimensional wiring basic model marked with the electric connector attributes in the step (4) to obtain a wiring model with complete information;
(9) based on the wiring model with complete information defined in the step (8), a skeleton model is newly established, and a node relation table with complete definition in the wiring model with complete information and installation coordinate systems of the equipment model and the electric connector model are written into the skeleton model;
(10) defining control points in the wiring model with complete information defined in the step (8), and writing the control points into the skeleton model;
(11) defining a cable routing path for each cable in the skeleton model in the step (10), wherein the routing path realizes cable path planning through a spline curve;
(12) generating a three-dimensional cable model according to the cable routing path defined in the step (11) in the completely-information wiring model defined in the step (8);
(13) and (5) comparing the flux value of the control point set in the step (10) with the diameter of the three-dimensional cable model in the step (12), and finishing the flux check of each control point.
2. The three-dimensional wiring design method for the space optical remote sensor according to claim 1, wherein: in the step (2), the Z axes of the wiring coordinate system and the plug butting coordinate system of each electric connector model are opposite and form an angle of 180 degrees; the wiring coordinate system of each electrical connector model is consistent with the x-axis direction of the plug mating coordinate system.
3. The three-dimensional wiring design method for the space optical remote sensor according to claim 1, wherein: in step (5), the name is self-defined.
4. The three-dimensional wiring design method for the space optical remote sensor according to claim 1, wherein: in step (5), the type is set with reference to the cable type in the PTC/proe5.0 software of step (1).
5. The three-dimensional wiring design method for the space optical remote sensor according to claim 1, wherein: in step (5), the diameter and corner radius follow the unit system of the PTC/ProE5.0 software in step (1).
6. The three-dimensional wiring design method for the space optical remote sensor according to claim 1, wherein: in step (5), the color name is consistent with the color name in the PTC/ProE5.0 software of step (1).
7. The three-dimensional wiring design method for the space optical remote sensor according to claim 1, wherein: in the step (6), the starting point code is the electric attribute name of the electric connector in the step (4); the terminal code is the electrical attribute name of the electrical connector in the step (4); and (4) the wire gauge is the name of the wire gauge defined in the step (4).
8. The three-dimensional wiring design method for the space optical remote sensor according to claim 1, wherein: in step (6), the control point comprises the position, direction and flux of the control point; the control points are defined on an arbitrary surface.
9. The three-dimensional wiring design method for the space optical remote sensor according to claim 1, wherein: in step (13), the flux of the control point is compared with the actual flux, and the position where the actual flux is too large and the cable possibly cannot pass is warned, so that flux inspection is realized.
10. The three-dimensional wiring design method for the space optical remote sensor according to claim 8, wherein: any curved surface includes a plane, a revolution surface and a high-order curved surface.
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| 张昧藏，权亮，张煜堃，杨瑞栋，赵亚娜，贾振江，张敬钊: "卫星遥感相机电子产品数字化单元探索与实践", 《面向增材制造与新一代信息技术的高端装备工程管理国际论坛征文汇编》, pages 79 - 81 * |
| 米西来;刘鹏;: "Pro/E线缆三维布线及生产应用", 舰船电子工程, no. 03, pages 183 - 185 * |
| 赵鑫;刘宗宝;张宝亮;: "电子整机三维布线设计的应用研究", 新技术新工艺, no. 04, pages 2391 - 2397 * |
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