CN108959814B - Method and terminal for generating fixing point under child safety seat fixing system - Google Patents
Method and terminal for generating fixing point under child safety seat fixing system Download PDFInfo
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- CN108959814B CN108959814B CN201810832605.5A CN201810832605A CN108959814B CN 108959814 B CN108959814 B CN 108959814B CN 201810832605 A CN201810832605 A CN 201810832605A CN 108959814 B CN108959814 B CN 108959814B
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Abstract
The invention provides a method and a device for generating a fixing point under a child safety seat fixing system, wherein the method comprises the following steps: acquiring an H point and a design axis on the automobile three-dimensional model; if the horizontal distance between the design axis and the point H is greater than or equal to 120 mm and the design axis is located behind the point H, a three-dimensional model of the two lower fixing points of the child safety seat fixing system is generated on the design axis, wherein the lower fixing points of the child safety seat fixing system are in the shape of round rods with the diameter of 6mm, the effective length of the round rods is greater than or equal to 25 mm, the inner distance between the two lower fixing points of the child safety seat fixing system is less than or equal to 255 mm, and the outer distance between the two lower fixing points of the child safety seat fixing system is greater than or equal to 305 mm. Therefore, the three-dimensional models of the fixing points of the two child safety seat fixing systems meeting the national standard can be automatically generated, and the design efficiency and the accuracy are improved.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a method and a terminal for generating a fixing point under a child safety seat fixing system.
Background
The lower fixing point of the child safety seat fixing system is a horizontally placed rigid round rod with the diameter of 6mm and used for fixing the child safety seat. The design standard of the fixing device must meet the requirements of national standard GB 14167-2013 automobile safety belt installation fixing points, child safety seat fixing system fixing point systems and upper pull belt fixing points. Therefore, when designing the fixing point of the child safety seat fixing system, the engineer must manually calculate and record a large amount of data according to the specification requirements while referring to the specification requirements of GB 14167-2013, and the engineer must manually perform a large number of operations and manually input corresponding data in the design software. This results in a very cumbersome production process, which is very labor intensive, inefficient, and prone to errors. Therefore, the fixing points under the existing child safety seat fixing system are prone to errors during design, and design efficiency is low.
Disclosure of Invention
The embodiment of the invention provides a method and a device for generating a fixing point under a child safety seat fixing system, which are used for solving the problems that the existing fixing point under the child safety seat fixing system is easy to generate errors during design and the design efficiency is low.
In order to solve the technical problem, the invention is realized as follows:
in a first aspect, an embodiment of the present invention provides a method for generating a lower fixing point of a child safety seat fixing system, including:
acquiring an H point and a design axis on the automobile three-dimensional model;
judging whether the horizontal distance between the design axis and the H point is greater than or equal to 120 mm or not and whether the design axis is positioned behind the H point or not;
if the horizontal distance between the design axis and the point H is greater than or equal to 120 mm, and the design axis is located behind the point H, a three-dimensional model of the lower fixing points of the two child safety seat fixing systems is generated on the design axis, wherein the lower fixing points of the child safety seat fixing systems are in the shape of round rods with the diameter of 6mm, the effective length of the round rods is greater than or equal to 25 mm, the inner distance between the lower fixing points of the two child safety seat fixing systems is less than or equal to 255 mm, and the outer distance between the lower fixing points of the two child safety seat fixing systems is greater than or equal to 305 mm.
Optionally, before the step of obtaining the H point and the design axis on the three-dimensional model of the automobile, the method further includes:
and establishing or opening a target Product assembly file in the CATIA, wherein the Product assembly file comprises the automobile three-dimensional model.
Optionally, the inner distance between the lower anchor points of the two child safety seat attachment systems is 200 mm, and the outer distance between the lower anchor points of the two child safety seat attachment systems is 320 mm.
In a second aspect, an embodiment of the present invention further provides an apparatus for generating a lower fixing point of a child safety seat fixing system, including:
the acquisition module is used for acquiring an H point and a design axis on the automobile three-dimensional model;
the judging module is used for judging whether the horizontal distance between the design axis and the H point is greater than or equal to 120 mm or not and whether the design axis is positioned behind the H point or not;
and a generation module, configured to generate a three-dimensional model of two lower fixing points of the child safety seat fixing system on the design axis if the horizontal distance between the design axis and the point H is greater than or equal to 120 mm and the design axis is located behind the point H, where the lower fixing point of the child safety seat fixing system is in the shape of a round bar with a diameter of 6mm, an effective length of the round bar is greater than or equal to 25 mm, an inside distance between the two lower fixing points of the child safety seat fixing system is less than or equal to 255 mm, and an outside distance between the two lower fixing points of the child safety seat fixing system is greater than or equal to 305 mm.
Optionally, the apparatus further comprises:
and the loading module is used for establishing or opening a target Product assembly file in the CATIA, wherein the Product assembly file comprises the automobile three-dimensional model.
Optionally, the inner distance between the lower anchor points of the two child safety seat attachment systems is 200 mm, and the outer distance between the lower anchor points of the two child safety seat attachment systems is 320 mm.
In the embodiment of the invention, an H point and a design axis are obtained on an automobile three-dimensional model; judging whether the horizontal distance between the design axis and the H point is greater than or equal to 120 mm or not and whether the design axis is positioned behind the H point or not; if the horizontal distance between the design axis and the point H is greater than or equal to 120 mm, and the design axis is located behind the point H, a three-dimensional model of the lower fixing points of the two child safety seat fixing systems is generated on the design axis, wherein the lower fixing points of the child safety seat fixing systems are in the shape of round rods with the diameter of 6mm, the effective length of the round rods is greater than or equal to 25 mm, the inner distance between the lower fixing points of the two child safety seat fixing systems is less than or equal to 255 mm, and the outer distance between the lower fixing points of the two child safety seat fixing systems is greater than or equal to 305 mm. Therefore, the three-dimensional model of the lower fixing point of the two child safety seat fixing systems meeting the national standard can be automatically generated on the design axis, and the design efficiency and accuracy can be improved.
Drawings
Fig. 1 is a flowchart of a method for generating a fixing point of a child safety seat fixing system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a three-dimensional model of an automobile according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of another three-dimensional model of an automobile according to an embodiment of the invention;
FIG. 4 is a schematic three-dimensional model of a lower anchor point of a child safety seat anchor system according to an embodiment of the present invention;
FIG. 5 is a schematic distance diagram of a lower anchor point of a child safety seat anchor system according to an embodiment of the present invention;
FIG. 6 is a block diagram of an apparatus for generating a lower anchor point of a child safety seat anchor system according to an embodiment of the present invention;
fig. 7 is a block diagram of another device for generating an attachment point of a child safety seat to a child safety seat according to an embodiment of the present invention.
Detailed Description
To make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, an embodiment of the present invention provides a method for generating a lower fixing point of a child safety seat fixing system, including:
The automobile three-dimensional model can be an automobile three-dimensional model established in three-dimensional modeling software; preferably, the three-dimensional model of the automobile may be a three-dimensional model including a seat component of the automobile, and the three-dimensional model may be a part of the automobile or the whole automobile, which is not limited in this respect.
And the Point H, i.e. Hip Point, can refer to the hinging center of the trunk and thigh of a standard person, i.e. a three-dimensional Point H device, and the Point H is positioned at the midpoint of the center lines of the Point H marking buttons on the two sides of the device. It mainly relates to the design between front and back row seat, instrument board, seat and children's safety seat etc.. And measuring the H point through the three-dimensional H point device after the three-dimensional H point device is installed. It should be noted that, in this embodiment, the point H may refer to a certain position point in a three-dimensional coordinate system where the three-dimensional model of the automobile is located; the H point may be obtained by inputting coordinates or directly selecting on the three-dimensional model.
As shown in fig. 2, the design axis may refer to a straight line parallel to the Y axis in a three-dimensional coordinate system of the three-dimensional model of the automobile, and is mainly used for generating two lower fixing points of the child safety seat fixing system, that is, a straight line of the two lower fixing points of the child safety seat fixing system. The design axis may be pre-configured or created by a user, and is not limited thereto.
Optionally, before the step of obtaining the H point and the design axis on the three-dimensional model of the automobile, the method further includes:
and establishing or opening a target Product assembly file in the CATIA, wherein the Product assembly file comprises the automobile three-dimensional model.
The CATIA is a relatively common three-dimensional design modeling software. The target Product assembly file may be a Product file obtained by assembling a Part file. The Visual Studio can be used as a development tool to develop an application program integrated in the CATIA, so that the lower fixing point of the child safety seat fixing system is produced in the CATIA. Of course, other software may be developed secondarily, such as ProE, without limitation. Illustratively, a user creates a Product file in the CATIA application program and loads modeling trim CAS data, three-dimensional control boundaries of the entire vehicle, seats and other data.
In the embodiment, the target Product assembly file comprising the automobile three-dimensional model is established or opened in the CATIA with higher use frequency, so that the method has higher universality.
And 102, judging whether the horizontal distance between the design axis and the H point is greater than or equal to 120 mm or not and whether the design axis is positioned behind the H point or not.
The horizontal distance between the design axis and the point H may be a distance between the design axis and the point H in a horizontal direction, that is, a distance between the design axis and the point H in an X-axis direction in a three-dimensional coordinate system where the three-dimensional automobile model is located. For example, specifically, reference may be made to fig. 3, fig. 3 is an xz view in the three-dimensional coordinate system of fig. 2, and the horizontal distance indicated in fig. 3 is the horizontal distance between the design axis and the H point. And the 120 mm is standard data specified in national standard GB 14167-2013 automobile safety belt installation fixing point, ISOFIX fixing system fixing point system and upper pull belt fixing point.
In addition, whether the design axis is located behind the H point or not may refer to whether the design axis is located behind the H point in the horizontal direction, and specifically, the determination may be performed according to an orientation and an X coordinate in a three-dimensional coordinate system in which the three-dimensional model of the automobile is located, for example, in fig. 3, the orientation of the automobile seat is the same as the positive direction of the X axis, and if the X coordinate of a certain point on the design axis is smaller than the X coordinate of the H point, it is determined that the design axis is located behind the H point. It should be noted that, since the design axis is a straight line where the two child safety seat fixing systems are fixed, the national standard GB 14167-2013 car belt fixing point, ISOFIX fixing point system and pull-up strap fixing point stipulates that the two child safety seat fixing system fixing points should be located behind the H point, so that the condition that the design axis is located behind the H point is one of the conditions that the child safety seat fixing system fixing point meeting the national standard is automatically generated.
The child safety seat fixing system is an International Standards Organization FIX system, and is called an ISOFIX system for short. Said round bar is in practice a horizontally placed rigid round bar protruding from the vehicle structure or the seat structure, mainly intended for use in conjunction with an ISOFIX system with ISOFIX connection means, which in particular may be seen in fig. 4, where two child safety seat fixation system lower fixation points are shown in fig. 4.
The generating of the three-dimensional models of the two lower child safety seat fixation points on the design axis may be generating one three-dimensional model of one lower child safety seat fixation point at each of two positions on the design axis. And the effective length refers to the length of the effective part of the round rod, namely the part for connecting with the fixing system of the child safety seat; specifically, as shown in fig. 4, the length of the portion encircled by the dashed square in fig. 4, that is, the effective portion in the round bar, may be the length ab or cd shown in fig. 5. Further, the inner distance between the two lower fixing points of the child safety seat fixing system may refer to a distance between two adjacent ends of the effective portions of the two lower fixing points, and may be specifically a distance between bc shown in fig. 5. The outer distance between the two lower fixing points of the child safety seat fixing system may be a distance between two non-adjacent ends of the effective portions of the two lower fixing points, and may be a distance between ads shown in fig. 5.
Therefore, a three-dimensional model of the lower fixing point of the child safety seat fixing system can be automatically generated, wherein the three-dimensional model meets the requirements of GB 14167-2013 automobile safety belt installation fixing points, ISOFIX fixing point systems and upper pull belt fixing points, so that the labor amount can be reduced, and the design efficiency and accuracy can be improved.
Optionally, the inner distance between the lower anchor points of the two child safety seat attachment systems is 200 mm, and the outer distance between the lower anchor points of the two child safety seat attachment systems is 320 mm. In the present embodiment, the distance between the two lower fixing points of the child safety seat fixing system is directly set to 200 mm, and the distance between the two lower fixing points of the child safety seat fixing system is set to 320 mm; therefore, the lower fixing points of the two child safety seat fixing systems with better data can be automatically generated, the time and labor force spent by continuous adjustment of a user are saved, and the accuracy and the efficiency are improved.
According to the embodiment of the invention, a three-dimensional model of the lower fixing point of the child safety seat fixing system can be automatically generated, which meets the requirements of GB 14167-2013 automobile safety belt installation fixing points, ISOFIX fixing point systems and upper pull belt fixing points, so that the design efficiency and accuracy can be improved.
Referring to fig. 6, fig. 6 is a block diagram of an apparatus for generating an attachment point of a child safety seat attachment system according to an embodiment of the present invention, and as shown in fig. 6, the apparatus 600 for generating an attachment point of a child safety seat attachment system includes: an acquisition module 601, a judgment module 602 and a generation module 603. Wherein:
an obtaining module 601, configured to obtain an H point and a design axis on a three-dimensional model of an automobile;
a determining module 602, configured to determine whether a horizontal distance between the design axis and the H point is greater than or equal to 120 mm, and whether the design axis is located behind the H point;
a generating module 603, configured to generate a three-dimensional model of two lower fixing points of the child safety seat fixing system on the design axis if a horizontal distance between the design axis and the point H is greater than or equal to 120 mm and the design axis is located behind the point H, where a shape of the lower fixing point of the child safety seat fixing system is a round bar with a diameter of 6mm, an effective length of the round bar is greater than or equal to 25 mm, an inner distance between the two lower fixing points of the child safety seat fixing system is less than or equal to 255 mm, and an outer distance between the two lower fixing points of the child safety seat fixing system is greater than or equal to 305 mm.
Optionally, as shown in fig. 7, the apparatus further includes:
and the loading module 604 is used for establishing or opening a target Product assembly file in the CATIA, wherein the Product assembly file comprises the automobile three-dimensional model.
Optionally, the inner distance between the lower anchor points of the two child safety seat attachment systems is 200 mm, and the outer distance between the lower anchor points of the two child safety seat attachment systems is 320 mm.
The generating device 600 for the lower fixing point of the child safety seat fixing system can implement each process implemented by the terminal in the above method embodiments, and is not described herein again to avoid repetition.
The device provided by the embodiment of the invention can realize each process realized by the mobile terminal in the method embodiment, can achieve the same beneficial effect, and is not repeated herein for avoiding repetition.
Preferably, an embodiment of the present invention further provides a device for generating a fixing point under a child safety seat fixing system, including a processor, a memory, and a computer program stored in the memory and capable of running on the processor, where the computer program, when executed by the processor, implements each process of the above-mentioned image display method embodiment, and can achieve the same technical effect, and in order to avoid repetition, the details are not repeated here.
The embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements each process of the above-mentioned method for generating a fixed point under a child safety seat fixing system, and can achieve the same technical effect, and is not described herein again to avoid repetition. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a component of' 8230; \8230;" does not exclude the presence of another like element in a process, method, article, or apparatus that comprises the element.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. A method for generating a lower anchor point for a child safety seat anchor system, comprising: acquiring an H point and a design axis on an automobile three-dimensional model, wherein the H point is a standard person, namely a hinging center of a trunk and a thigh of a three-dimensional H point device, the design axis is a straight line parallel to a Y axis in a three-dimensional coordinate system where the automobile three-dimensional model is located and is used for generating lower fixing points of two child safety seat fixing systems, and the lower fixing points of the two child safety seat fixing systems are on the design axis;
judging whether the horizontal distance between the design axis and the H point is larger than or equal to 120 mm and whether the design axis is positioned behind the H point;
if the horizontal distance between the design axis and the point H is greater than or equal to 120 mm, and the design axis is located behind the point H, a three-dimensional model of the lower fixing points of the two child safety seat fixing systems is generated on the design axis, wherein the lower fixing points of the child safety seat fixing systems are in the shape of round rods with the diameter of 6mm, the effective length of the round rods is greater than or equal to 25 mm, the inner side distance between the lower fixing points of the two child safety seat fixing systems is less than or equal to 255 mm, and the outer side distance between the lower fixing points of the two child safety seat fixing systems is greater than or equal to 305 mm.
2. The method of claim 1, wherein prior to the step of obtaining the H-point and the design axis on the three-dimensional model of the automobile, the method further comprises:
and establishing or opening a target Product assembly file in the CATIA, wherein the Product assembly file comprises the automobile three-dimensional model.
3. The method of claim 1, wherein the inboard distance between the two lower child safety seat attachment system attachment points is 200 millimeters and the outboard distance between the two lower child safety seat attachment system attachment points is 320 millimeters.
4. A device for generating lower anchor points for a child safety seat anchor system, comprising:
the system comprises an acquisition module, a detection module and a display module, wherein the acquisition module is used for acquiring an H point and a design axis on an automobile three-dimensional model, the H point is a standard person, namely a hinging center of a trunk and a thigh of a three-dimensional H point device, the design axis is a straight line parallel to a Y axis in a three-dimensional coordinate system where the automobile three-dimensional model is located and is used for generating lower fixing points of two child safety seat fixing systems, and the lower fixing points of the two child safety seat fixing systems are on the design axis;
the judging module is used for judging whether the horizontal distance between the design axis and the H point is larger than or equal to 120 mm or not and whether the design axis is positioned behind the H point or not;
and a generation module, configured to generate a three-dimensional model of two lower fixing points of the child safety seat fixing system on the design axis if the horizontal distance between the design axis and the point H is greater than or equal to 120 mm and the design axis is located behind the point H, where the lower fixing point of the child safety seat fixing system is in the shape of a round bar with a diameter of 6mm, an effective length of the round bar is greater than or equal to 25 mm, an inside distance between the two lower fixing points of the child safety seat fixing system is less than or equal to 255 mm, and an outside distance between the two lower fixing points of the child safety seat fixing system is greater than or equal to 305 mm.
5. The apparatus of claim 4, further comprising:
and the loading module is used for establishing or opening a target Product assembly file in the CATIA, wherein the Product assembly file comprises the automobile three-dimensional model.
6. The apparatus of claim 4, wherein the inboard distance between the lower anchor points of the two child safety seat attachment systems is 200 mm and the outboard distance between the lower anchor points of the two child safety seat attachment systems is 320 mm.
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| CN201810832605.5A CN108959814B (en) | 2018-07-26 | 2018-07-26 | Method and terminal for generating fixing point under child safety seat fixing system |
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| CN201810832605.5A CN108959814B (en) | 2018-07-26 | 2018-07-26 | Method and terminal for generating fixing point under child safety seat fixing system |
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| CN108959814B true CN108959814B (en) | 2023-04-07 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201800576U (en) * | 2009-12-30 | 2011-04-20 | 上海通用汽车有限公司 | Lower fixing point of child security constraining system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3785885B2 (en) * | 2000-02-04 | 2006-06-14 | 日産自動車株式会社 | Child seat mounting and child seat mounting structure |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201800576U (en) * | 2009-12-30 | 2011-04-20 | 上海通用汽车有限公司 | Lower fixing point of child security constraining system |
Non-Patent Citations (2)
| Title |
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| ISOFIX固定装置的技术要求及试验方法对比;张洪涛等;《汽车工程师》;20090415(第04期);第41-43、46页 * |
| 集成在后排座椅的儿童座椅固定点设计研究;肖光等;《汽车实用技术》;20160826(第08期);第115-116页 * |
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