CN110245422B - Automatic wire harness diagram generation method and device based on computer programming technology - Google Patents
Automatic wire harness diagram generation method and device based on computer programming technology Download PDFInfo
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Abstract
The invention provides a wire harness diagram automatic generation method based on a computer programming technology, which comprises the following steps: establishing a connector 2D database and a connector 3D database; acquiring a wiring harness 3D (three-dimensional) graph, and optionally selecting one line in the wiring harness 3D graph as a main line to generate a wiring harness 2D graph according to the viewpoint direction of a user; acquiring the name of the connector in the 3D diagram of the wiring harness, calling a corresponding 2D detail diagram of the connector in a 2D database of the connector, and putting the corresponding position in the 2D diagram of the wiring harness into connection with the line segment; filling corresponding connector information in the 2D detail drawing of the connector, and filling line segment length information and wrapping mode information in the line segment of the wire harness 2D drawing; creating a wire harness loop table in the wire harness 2D diagram, and filling data of a wire in the electrical schematic diagram into the wire harness loop table to finish the wire harness 2D diagram; and (5) carrying out check updating on the wire harness diagram 2D diagram. The automatic generation method and device of the wire harness diagram based on the computer programming technology can standardize the wire harness diagram, check and update the wire harness diagram, reduce error rate and improve working efficiency.
Description
Technical Field
The invention relates to the technical field of electric design of a finished automobile, in particular to a method and a device for automatically generating a wire harness diagram based on a computer programming technology.
Background
The development intellectualization and light weight of the automobile bring unprecedented challenges to the automobile wire harness, and from the design idea to the completion of the wire harness design, the selection and matching of relevant parts of the wire harness are strictly calculated and checked. The wire harness diagram design is a rigorous project and comprises the following components in detail: fixing mode, fixing position, length and binding mode of the wire harness; local special protection measures; connector model and manufacturer; harness part number, harness version; the type, the wire diameter, the color and the starting and ending positions of each loop wire; the technical requirements of wiring harness; wiring harness configuration;
the wire harness design is also a fine project, in order to prevent the failure of the wire harness from becoming the main cause of automobile faults, higher requirements are put forward on the design of a wire harness diagram, and zero error rate is required.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a wire harness diagram automatic generation method and a device based on a computer programming technology, which can standardize the wire harness diagram, automatically check and update the wire harness diagram, reduce the error rate and improve the working efficiency.
The invention adopts the following technical scheme:
a wiring harness diagram automatic generation method based on a computer programming technology comprises the following steps:
establishing a connector 2D database and a connector 3D database, wherein the name in the connector 2D database corresponds to the name in the connector 3D database;
acquiring a wiring harness 3D diagram input by a user, optionally selecting a line as a main line in the wiring harness 3D diagram, and generating a wiring harness 2D diagram according to a user viewpoint direction, wherein the wiring harness is represented by line segments, the viewpoint direction is a direction from left to right or from right to left, and all the main lines have the same direction;
acquiring the name of the connector in the wiring harness 3D diagram, searching the corresponding connector 2D detail diagram in the connector 2D database, and calling the connector 2D detail diagram to place the corresponding position in the wiring harness 2D diagram to be connected with the line segment;
filling corresponding connector information in the connector 2D detail drawing, and filling line segment length information and wrapping mode information in the line segment of the wire harness 2D drawing, wherein the connector information, the line segment length information and the wrapping mode information are obtained from the wire harness 3D drawing;
creating a wire harness loop table in the wire harness 2D diagram, acquiring the drawn electrical schematic diagram, and filling data of wires in the electrical schematic diagram into the wire harness loop table to complete the wire harness 2D diagram;
and checking and updating the 2D diagram of the wire harness, wherein the checking comprises checking the color and the diameter of the line segment, and the updating comprises updating the name of the connector and the name of the connector terminal.
Further, the wire harness 2D diagram is generated according to a tree structure, and branch directions are generated on the upper and lower sides of the main line direction.
Further, the connector comprises a terminal connector and a line-to-line connector, and the connector information comprises connector number, model, function and hole site information.
Further, the connector serial number, the model, the function and the hole site information are obtained from a 3D diagram of the wiring harness; the length information of the line segment is obtained from a 3D (three-dimensional) diagram of the wire harness; and the binding mode information is obtained from the binding mode of the beam section in the 3D diagram of the wire harness.
Further, the filling of the segment length information specifically includes: acquiring the length of a beam section in a 3D diagram of a wire harness; rounding the bundle segment lengths to fill in corresponding line segments in the bundle 2D map and increasing the lengths by a factor of 5 to fill in the bundle 2D map together.
Further, the filling and wrapping mode information specifically includes: acquiring the name of a binding mode of a bundle section in a 3D (three-dimensional) diagram of the wire harness; finding a corresponding 2D part in the wire harness 2D diagram; instantiating to the two ends of the corresponding line segment, and using a plurality of continuous same binding modes, wherein the connection point in the middle of the line segment is not instantiated.
Further, the data of the wire includes: wire size, wire diameter, color, starting end, terminating end and function of the wire.
Further, the checking and updating the wire harness diagram includes: selecting any terminal in the connector, finding out the other conducting terminal, checking whether the color of the line segment is consistent with the line diameter, and highlighting the conducting beam segment; finding out wire-to-wire connectors among different wire harnesses according to characteristic characters of the wire harnesses in a 3D diagram of the wire harnesses, and updating names of terminals of the connectors; finding out an electric appliance terminal communicated between the two wire harnesses, preferentially selecting a wire-to-wire connector with the shortest harness section path and a large wire path, and updating the name of the wire-to-wire connector; finding any one wire-to-wire connector, and checking whether the wire harness with the same color exists in the wire-to-wire connector; and the names between the connectors of the same line-to-line type are exchanged by clicking the two terminals through an interactive dialog box.
A wire harness diagram automatic generation device based on a computer programming technology is characterized by comprising a creation module, a generation module, a calling module, a filling module, an acquisition module and an updating module; the connector creating module is used for creating a connector 2D database and a connector 3D database; the generating module is used for generating a wiring harness 2D diagram according to the wiring harness 3D diagram; the calling module is used for calling the connector 2D detail drawing from the connector 2D database; the filling module is used for filling connector information, line segment length information and binding mode information; the acquisition module is used for acquiring the electrical schematic diagram and filling the wire data in the electrical schematic diagram into the wire harness loop table; and the updating module is used for checking and updating the wiring harness diagram.
Further, the filling module comprises a first obtaining unit and a first filling unit; the first obtaining unit is used for obtaining connector information, line length information and wrapping mode information in a 3D (three-dimensional) diagram of the wiring harness; a first padding unit for padding the obtained data into corresponding positions; the acquisition module comprises a second acquisition unit and a second filling unit; the second obtaining unit is used for obtaining wire data in the electrical schematic diagram; and a second filling unit for filling the obtained data into the wire harness loop table.
The beneficial effects of the invention are as follows:
the connector 2D database and the connector 3D database are established, so that the connector 2D detail drawing can be standardized, the wiring harness 2D drawing is generated according to the viewpoint direction of a user, and the detail drawing is called from the connector 2D database and is placed at a corresponding position to be connected with a generated line segment to form a complete wiring harness drawing; the generated integral main lines of the wiring harness diagram have the same direction, the connector and the connection point can be dragged, and the corresponding binding mode can also move along with the dragging of the connector; meanwhile, the generated wire harness diagram also has an auxiliary self-checking function, and can automatically check errors contained in the diagram or update information in the diagram.
Drawings
Fig. 1 is a schematic flow chart of a method for automatically generating a wire harness diagram based on a computer programming technology according to the present invention.
Fig. 2 is a schematic structural diagram of an automatic generation device of a wire harness diagram based on a computer programming technology.
Fig. 3 is a schematic structural diagram of a filling module in the present invention.
Fig. 4 is a schematic structural diagram of an acquisition module according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example one
In order to solve the problems of non-standard design and more errors of the wire harness diagram, the embodiment provides an automatic generation method of the wire harness diagram based on a computer programming technology.
Referring to fig. 1, fig. 1 is a schematic flow chart of a method for automatically generating a wire harness diagram based on a computer programming technology according to this embodiment, where the method mainly includes the following steps:
s1, establishing a 2D database and a 3D database of the connector, wherein the name of the connector in the 2D database of the connector corresponds to the name of the connector in the 3D database of the connector;
s2, acquiring a wiring harness 3D diagram input by a user, and generating a wiring harness 2D diagram in a user viewpoint direction (the user viewpoint direction is generally horizontal from left to right or from right to left) by taking any line as a main line in the wiring harness 3D diagram; the wire harness 2D graph is generated according to a tree structure, and branch line directions are generated on the upper side and the lower side of the main line direction. Meanwhile, in the same wire harness 2D diagram, all the main wire directions are the same.
And S3, acquiring the name of the connector in the wiring harness 3D image, searching the corresponding connector 2D detail image in the connector 2D database, and calling the connector 2D detail image to place the connector 2D detail image in the corresponding position in the wiring harness 2D image to be connected with the line segment.
And S4, filling corresponding connector information into the connector 2D detail drawing, and filling line segment length information and wrapping mode information into the line segment of the wire harness 2D drawing. The method specifically comprises the following steps:
s41, acquiring the serial number, the function, the model and the hole site information (hole site name, line number, line color and line diameter) of the connector from the wiring harness 3D diagram, and filling the connector information into the corresponding position in the connector detail diagram;
s42, acquiring the length of the beam segment from the 3D diagram of the wire harness, rounding the length of the beam segment, filling the rounded length of the beam segment into a corresponding line segment in the 2D diagram of the wire harness, and filling the length of the beam segment into the 2D diagram of the wire harness by increasing the length to a multiple of 5, wherein the filling format is as follows: a multiple length of 5 (actual length);
s43, acquiring the name of the wrapping mode of the bundle section in the 3D diagram of the wire harness, finding the corresponding 2D component in the 2D diagram of the wire harness, and instantiating to the two ends of the corresponding line section, wherein the connection point in the middle of the line section does not need to be instantiated in a plurality of continuous same wrapping modes.
And S5, creating a wire harness loop table in the wire harness 2D diagram, acquiring the drawn electrical schematic diagram, and filling data of wires in the electrical schematic diagram into the wire harness loop table to complete the wire harness 2D diagram. The data of the wire includes the wire number, wire diameter, color, start end, stop end and function of the wire.
S6, checking and updating the wiring harness 2D diagram, wherein the checking comprises checking the color and the line diameter of the line segment, and the updating comprises updating the name of the connector and the name of the connector terminal.
1. Checking the conduction condition in the 2D diagram of the wire harness, selecting any terminal in the connector, finding out the other conducting terminal, checking whether the color of the wire section is consistent with the wire diameter, and highlighting the conducting harness section;
2. updating the names of terminals of the wire-to-wire connectors, finding the wire-to-wire connectors among different wire harnesses through characteristic characters of the wire harnesses in a 3D diagram of the wire harnesses, and updating the names of the terminals of the butt-joint connectors;
3. updating the name of the wire-to-wire connector, finding out the electric appliance terminal communicated between the two wire harnesses, preferentially selecting the wire-to-wire connector which has the shortest path and large wire diameter (for example, when a certain terminal can pass through 0.8, 0.3 and 0.5 wire diameters, the terminal with 0.8 wire diameter is preferentially passed), and updating the name of the wire-to-wire connector;
the beam segment path is searched through an end terminal line path table (elbterminationradius. Xls), and when all the line-to-line connectors can pass through the line path, the line-to-line connector with the shortest path passing through the beam segment path is preferentially selected, for example: 01. 02 and 03, the one with the closest conduction distance is selected.
4. Checking the wire-to-wire connectors, finding any one wire-to-wire connector, and checking whether the wire harness with the same color exists in the wire-to-wire connectors; if there are the same colored bundles, it indicates that there is an error.
5. And exchanging the line-to-line terminals, and clicking two terminals to realize the exchange of names between the same line-to-line connectors through an interactive dialog box.
The beneficial effect of this embodiment does: the connector 2D database and the connector 3D database are established, so that the connector 2D detail drawing can be standardized, the wiring harness 2D drawing is generated according to the viewpoint direction of a user, and the detail drawing is called from the connector 2D database and is placed at a corresponding position to be connected with a generated line segment to form a complete wiring harness drawing; the generated integral main lines of the wiring harness diagram have the same direction, the connector and the connection point can be dragged, and the corresponding binding mode can also move along with the dragging of the connector; the generated wiring harness diagram also has an auxiliary self-checking function, and can automatically check errors contained in the diagram or update information in the diagram.
Example two
In this embodiment, on the basis of the first embodiment, an automatic generation device of a wire harness diagram based on a computer programming technology is provided, so as to implement the method in the first embodiment. Referring to fig. 2, fig. 2 is a schematic structural diagram of an automatic generating device of a wire harness diagram based on a computer programming technology according to this embodiment, the device includes: a creating module 21, a generating module 22, a calling module 23, a filling module 24, an obtaining module 25, and an updating module 26.
A creation module 21 for creating a connector 2D database and a connector 3D database.
And the generating module 22 is used for generating a wiring harness 2D diagram according to the wiring harness 3D diagram.
And the calling module 23 is used for calling the connector 2D detail drawing from the connector 2D database.
A filling module 24 for filling connector information, segment length information and wrapping mode information; the filling module further includes a first obtaining unit 241 and a first filling unit 242; the first obtaining unit 241 is configured to obtain connector information, segment length information, and bundling manner information in a 3D diagram of a wire harness; a first padding unit 242, configured to pad the obtained data in the corresponding location.
The obtaining module 25 is configured to obtain an electrical schematic diagram, and fill wire data in the electrical schematic diagram into the wire harness loop table; the obtaining module further comprises a second obtaining unit 251 and a second filling unit 252; a second obtaining unit 251 for obtaining wire data in the electrical schematic diagram; a second filling unit 252, configured to fill the obtained data into the wire harness loop table.
And the updating module 26 is used for checking and updating the wiring harness diagram.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not cause the essence of the corresponding technical solution to depart from the scope of the technical solution of the embodiments of the present invention, and are intended to be covered by the claims and the specification of the present invention.
Claims (10)
1. A wire harness diagram automatic generation method based on a computer programming technology is characterized by comprising the following steps:
establishing a connector 2D database and a connector 3D database, wherein the name in the connector 2D database corresponds to the name in the connector 3D database;
acquiring a wiring harness 3D diagram input by a user, optionally selecting a line as a main line in the wiring harness 3D diagram, and generating a wiring harness 2D diagram according to a user viewpoint direction, wherein the wiring harness is represented by line segments, the viewpoint direction is a direction from left to right or from right to left, and all the main lines have the same direction;
acquiring the name of the connector in the wiring harness 3D diagram, searching the corresponding connector 2D detail diagram in the connector 2D database, and calling the connector 2D detail diagram to place the corresponding position in the wiring harness 2D diagram to be connected with the line segment;
filling corresponding connector information in the 2D detail drawing of the connector, filling line segment length information and wrapping mode information in the line segment of the wire harness 2D drawing, wherein the connector information, the line segment length information and the wrapping mode information are obtained from the 3D drawing of the wire harness;
creating a wire harness loop table in the wire harness 2D picture, acquiring the drawn electrical schematic diagram, and filling data of wires in the electrical schematic diagram into the wire harness loop table to complete the wire harness 2D picture;
and checking and updating the 2D diagram of the wire harness, wherein the checking comprises checking the color and the diameter of the line segment, and the updating comprises updating the name of the connector and the name of the connector terminal.
2. The method as claimed in claim 1, wherein the wire harness 2D map is generated according to a tree structure, and the branch directions are generated on upper and lower sides of the main line direction.
3. The method as claimed in claim 1, wherein the connector includes a terminal connector and a line-to-line connector, and the connector information includes connector number, model, function and hole location information.
4. The method for automatically generating a wiring harness diagram based on the computer programming technology as claimed in claim 3, wherein the connector number, model, function and hole site information are obtained from a wiring harness 3D diagram; the length information of the line segment is obtained from a 3D (three-dimensional) diagram of the wire harness; and the binding mode information is obtained from the binding mode of the beam section in the 3D diagram of the wire harness.
5. The method according to claim 3, wherein the filling of the segment length information specifically includes:
acquiring the length of a beam section in a 3D diagram of a wire harness;
rounding the bundle segment lengths to fill in corresponding line segments in the bundle 2D map and increasing the lengths by a factor of 5 to fill in the bundle 2D map together.
6. The method according to claim 3, wherein the filling of the binding information specifically comprises:
acquiring the name of a binding mode of a bundle section in a 3D (three-dimensional) diagram of the wire harness;
finding a corresponding 2D part in a wire harness 2D diagram;
instantiating to the two ends of the corresponding line segment, and using a plurality of continuous same binding modes, wherein the connection point in the middle of the line segment is not instantiated.
7. The method for automatically generating the wire harness diagram based on the computer programming technology according to claim 1, wherein the data of the wires comprises: wire size, wire diameter, color, start end, stop end, and function of the wire.
8. The method for automatically generating the wire harness diagram based on the computer programming technology according to claim 1, wherein the checking and updating the wire harness diagram comprises:
selecting any terminal in the connector, finding out the other conducting terminal, checking whether the color of the line segment is consistent with the line diameter, and highlighting the conducting beam segment;
finding out wire-to-wire connectors among different wire harnesses according to characteristic characters of the wire harnesses in a 3D diagram of the wire harnesses, and updating names of terminals of the connectors;
finding out an electric appliance terminal which is conducted between the two wire harnesses, preferentially selecting a wire-to-wire connector which has the shortest harness section path and a large wire path, and updating the name of the wire-to-wire connector;
finding any one wire-to-wire connector, and checking whether the wire harness with the same color exists in the wire-to-wire connector;
and the names between the connectors of the same line-to-line type are exchanged by clicking the two terminals through an interactive dialog box.
9. A wire harness diagram automatic generation device based on a computer programming technology is characterized by comprising a creation module, a generation module, a calling module, a filling module, an acquisition module and an updating module;
the connector 3D database creating module is used for creating a connector 2D database and a connector 3D database;
the generating module is used for generating a wiring harness 2D diagram according to the wiring harness 3D diagram;
the calling module is used for calling the connector 2D detail drawing from the connector 2D database;
the filling module is used for filling connector information, line segment length information and binding mode information;
the acquisition module is used for acquiring the electrical schematic diagram and filling the wire data in the electrical schematic diagram into the wire harness loop table;
and the updating module is used for checking and updating the wiring harness diagram.
10. The device for automatically generating the wire harness diagram based on the computer programming technology as claimed in claim 9, wherein the filling module comprises a first obtaining unit and a first filling unit;
the first obtaining unit is used for obtaining connector information, line length information and wrapping mode information in a 3D (three-dimensional) diagram of the wiring harness;
a first padding unit for padding the obtained data to the corresponding position;
the acquisition module comprises a second acquisition unit and a second filling unit;
the second obtaining unit is used for obtaining wire data in the electrical schematic diagram;
and a second filling unit for filling the obtained data into the wire harness loop table.
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| CN201910516173.1A CN110245422B (en) | 2019-06-14 | 2019-06-14 | Automatic wire harness diagram generation method and device based on computer programming technology |
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