CN112440690B - Method and system for obtaining overlapping amount of vehicle door glass and sealing structure - Google Patents
Method and system for obtaining overlapping amount of vehicle door glass and sealing structure Download PDFInfo
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- CN112440690B CN112440690B CN201910797512.8A CN201910797512A CN112440690B CN 112440690 B CN112440690 B CN 112440690B CN 201910797512 A CN201910797512 A CN 201910797512A CN 112440690 B CN112440690 B CN 112440690B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J5/00—Doors
- B60J5/04—Doors arranged at the vehicle sides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J10/00—Sealing arrangements
- B60J10/80—Sealing arrangements specially adapted for opening panels, e.g. doors
- B60J10/84—Sealing arrangements specially adapted for opening panels, e.g. doors arranged on the vehicle body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
- B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
- B62D65/06—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components the sub-units or components being doors, windows, openable roofs, lids, bonnets, or weather strips or seals therefor
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Abstract
The application discloses a method and a system for obtaining the overlapping amount of vehicle door glass and a sealing structure, wherein the method for obtaining the overlapping amount of the vehicle door glass and the sealing structure achieves the purpose of forward research and development of the method for obtaining the overlapping amount of the vehicle door glass and the sealing structure, and solves the problems of large design risk, more parameter change times, high development and verification cost, long development period and even influence or overturn on the original modeling style or design caused by reversely obtaining the overlapping amount of the vehicle door glass and the sealing structure in a frameless vehicle door.
Description
Technical Field
The application relates to the technical field of vehicle engineering, in particular to a method and a system for obtaining the overlapping amount of door glass and a sealing structure.
Background
With the continuous advance of the diversification process of the automobile city, various motor vehicles are emerging continuously, and the motor vehicles with frameless doors gradually enter the automobile purchasing range of consumers. The frameless vehicle door is characterized in that two sides of vehicle door glass (or called vehicle window glass) are not wrapped by a vehicle door frame, the shape of the frameless vehicle door is novel, and novel sensory experience is brought to users.
However, in the design process of the frameless vehicle door, how to determine the overlapping amount of the door glass and the sealing structure (i.e. the amount of the door glass covered by the sealing structure in the vehicle frame when the door glass of the frameless vehicle door is lifted to the top end, also called overlap amount) is one of the important issues that need to be paid attention. The reason is that the design quality of the frameless door is directly influenced by the overlapping amount of the door glass of the frameless door and the sealing structure when the door glass is lifted to the top end, the window frame rigidity, the high-speed crosswind NVH, the door can be opened without using tools after collision under the two standards of GB 11551 and GB 20071, and the like, and the material and the process parameter of the sealing structure are also determined.
In the prior art, the process of obtaining the overlapping amount of the door glass and the sealing structure mostly comprises the steps of firstly reversely obtaining three-dimensional data or section parameters through a competitive bidding vehicle type, directly matching the model selection of systems such as the sealing structure, the door glass and a bright strip of the project of the structure, and subsequently further verifying the requirements of three aspects of 'window frame rigidity', 'high-speed crosswind NVH' and 'the requirement that the door can be opened without using tools after collision under two standards of' GB 11551 and 'GB 20071' only through a soft film vehicle manufacturing and related various tests, so that the problems of large design risk, more parameter change times, high development and verification cost, long development period and even influence or overturn on the original modeling style or design are caused.
Disclosure of Invention
In order to solve the technical problems, the application provides a method and a system for obtaining the overlapping amount of the door glass and the sealing structure, so as to achieve the purpose of forward research and development of the method for obtaining the overlapping amount of the door glass and the sealing structure, and avoid the problems of large design risk, more parameter change times, high development and verification cost, long development period and even influence or overturn on the original modeling style or design caused by reversely obtaining the overlapping amount of the door glass and the sealing structure in the frameless door.
In order to achieve the technical purpose, the embodiment of the application provides the following technical scheme:
a method for acquiring the overlapping amount of a door glass and a sealing structure, which is used in the design process of a frameless door, comprises the following steps:
according to the modeling of the frameless vehicle door, the sealing structure of the frameless vehicle door and the initial material type of vehicle door glass are obtained, wherein the sealing structure is a sealing strip or a combined structure of the sealing strip and a bright strip;
according to the sealing structure and the frameless vehicle door model, acquiring a vehicle roof side surface section of the frameless vehicle door;
according to the side section of the car roof, acquiring an initial gap matching value and an initial overlapping amount of the car door glass and a sealing structure, which meet a first preset requirement, by simulating the opening process of the frameless car door; the first preset requirement is a requirement for opening the vehicle door without using tools after collision under two standards of GB 11551 and GB 20071;
updating the roof side section with the initial gap match value and initial overlap amount;
carrying out simulation analysis on the updated roof side cross section, judging whether the updated roof side cross section meets the requirements of frameless door sash rigidity and high-speed cross wind noise and vibration and noise vibration roughness NVH, if not, optimizing the initial gap matching value or initial overlapping amount, taking the optimized initial gap matching value or initial overlapping amount as a new initial gap matching value or initial overlapping amount, and returning to the step of updating the roof side cross section by using the initial gap matching value and the initial overlapping amount;
if so, the initial overlap amount is output as a target overlap amount.
Optionally, the obtaining, according to the roof side cross section, an initial gap matching value and an initial overlap amount of the door glass and the sealing structure, which meet a first preset requirement, by simulating the opening process of the frameless vehicle door, includes:
according to the axis of the door hinge in the cross section of the side surface of the roof, by simulating the opening motion process of the door glass in the state that the door glass is lifted to the top, the distance or the overlapping amount of the top of the door glass meeting the first preset requirement and the sealing structure is obtained as the first gap matching value;
and calculating a minimum gap value and an initial overlapping amount which are required to be met by the door glass and the sealing structure in the opening process of the frameless door after the parts of the roof side section are assembled by using the first gap matching value according to the dimensional tolerance, and taking the minimum gap value as the initial gap matching value.
Optionally, after outputting the initial overlap amount as the target overlap amount, the method further includes:
and updating the roof side cross section according to the target overlap amount, judging whether the stress value of the deformation of the sealing structure of the updated roof side cross section in the door opening process is larger than a preset threshold value, if so, simulating the initial overlap amount of the door glass and the sealing structure in the frameless door opening process according to the roof side cross section to be used as a final overlap amount, and if not, using the target overlap amount as a final overlap amount.
Optionally, the updating the roof side cross section according to the target overlap amount, and determining whether a stress value of the updated roof side cross section due to deformation is greater than a preset threshold value in a door opening process, if so, simulating an initial overlap amount of the door glass and the sealing structure in the frameless vehicle door opening process according to the roof side cross section as the target overlap amount, and if not, further including:
determining the material and the technological parameters of the sealing structure according to the final overlapping amount and the distance requirement between the car door glass and the sealing structure;
the distance between the door glass and the sealing structure is required to be the minimum distance between the two sides of the door glass and the sealing structure at the two sides in the vertical direction.
A system for obtaining an amount of overlap of a door glass with a sealing structure for use in a design process for a frameless vehicle door, the system comprising:
the type determining module is used for obtaining the type of a sealing structure of the frameless vehicle door and the type of initial materials of vehicle door glass according to the modeling of the frameless vehicle door, wherein the sealing structure is a sealing strip or a combined structure of the sealing strip and a bright strip;
the section obtaining module is used for obtaining the side section of the roof of the frameless vehicle door according to the sealing structure and the model of the frameless vehicle door;
the initial quantity determining module is used for acquiring an initial gap matching value and an initial overlapping quantity of the vehicle door glass and the sealing structure meeting a first preset requirement in a process of simulating the opening of the frameless vehicle door according to the side section of the vehicle roof; the first preset requirement is a requirement for opening the vehicle door without using tools after collision under two standards of GB 11551 and GB 20071;
a T02A updating module for updating the roof side sections with the initial gap match values and initial overlap amounts;
the simulation analysis module is used for performing simulation analysis on the updated roof side cross section, judging whether the updated roof side cross section meets the requirements of frameless door window frame rigidity and high-speed cross wind noise, vibration and noise vibration roughness NVH (noise vibration harshness), if not, optimizing the initial gap matching value or the initial overlapping amount, taking the optimized initial gap matching value or the optimized initial overlapping amount as a new initial gap matching value or an initial overlapping amount, and returning to the step of updating the roof side cross section by using the initial gap matching value and the initial overlapping amount;
if so, the initial overlap amount is output as a target overlap amount.
Optionally, the initial quantity determining module includes:
the simulation unit is used for simulating the opening motion process of the car door under the state that the car door glass rises to the top according to the axis of the car door hinge in the section of the side surface of the roof, and acquiring the distance or the overlapping amount between the top of the car door glass meeting the first preset requirement and the sealing structure as a first gap matching value;
and the size correction unit is used for calculating a minimum gap value and an initial overlapping amount which are required to be met by the door glass and the sealing structure in the opening process of the frameless door after the parts of the roof side cross section are assembled and the frameless door is opened by utilizing the first gap matching value according to the size tolerance, and taking the minimum gap value as the initial gap matching value.
Optionally, the method further includes: and the correction module is used for updating the roof side section according to the target overlap amount, judging whether the stress value of the sealing structure, caused by deformation, of the updated roof side section in the door opening process is larger than a preset threshold value, if so, simulating the initial overlap amount of the door glass and the sealing structure in the frameless door opening process according to the roof side section to serve as a final overlap amount, and if not, taking the target overlap amount as the final overlap amount.
Optionally, the method further includes:
the material determining module is used for determining the material and the technological parameters of the sealing structure according to the final overlapping amount and the distance requirement between the door glass and the sealing structure;
the distance between the door glass and the sealing structure is required to be the minimum distance between the two sides of the door glass and the sealing structure at the two sides in the vertical direction.
According to the technical scheme, the method and the system for obtaining the overlapping amount of the vehicle door glass and the sealing structure are provided, wherein in the method for obtaining the overlapping amount of the vehicle door glass and the sealing structure, firstly, a side surface cross section of a vehicle roof is obtained according to a frameless vehicle door model, and an initial gap matching value and an initial overlapping amount of the vehicle door glass and the sealing structure, which meet a first preset requirement, are obtained by simulating a frameless vehicle door opening process according to the side surface cross section of the vehicle roof; then updating the roof side section through the initial gap matching value and the initial overlapping amount; and finally, performing simulation analysis on the updated side section of the car roof to obtain an initial overlapping amount meeting the requirements of the rigidity of the frameless car door window frame and the high-speed crosswind NVH (noise vibration and harshness) as a target overlapping amount, so that the aim of forward research and development of a method for obtaining the overlapping amount of the car door glass and the sealing structure is fulfilled, and the problems of large design risk, more parameter change times, high development and verification cost, long development period and even influence or overturn on the original modeling style or design caused by reversely obtaining the overlapping amount of the car door glass and the sealing structure in the frameless car door are solved.
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In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic flow chart of a method for obtaining an amount of overlap between a door glass and a sealing structure according to an embodiment of the present disclosure;
FIG. 2 is a schematic flow chart illustrating a method for obtaining an amount of overlap between a door glass and a sealing structure according to another embodiment of the present application;
FIG. 3 is a force diagram for simulating the opening process of a frameless vehicle door;
FIG. 4 is a schematic flow chart illustrating a method for obtaining an amount of overlap between a door glass and a sealing structure according to yet another embodiment of the present application;
fig. 5 is a schematic flow chart illustrating a method for obtaining an overlapping amount of a door glass and a sealing structure according to still another embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides a method for acquiring the overlapping amount of a vehicle door glass and a sealing structure, as shown in fig. 1, for a design process of a frameless vehicle door, and the method for acquiring the overlapping amount of the vehicle door glass and the sealing structure comprises the following steps:
s101: according to the modeling of the frameless vehicle door, the sealing structure of the frameless vehicle door and the initial material type of vehicle door glass are obtained, wherein the sealing structure is a sealing strip or a combined structure of the sealing strip and a bright strip;
the bright strip is a decorative strip on the side wall of the car door window frame or the car body.
S102: according to the sealing structure and the frameless vehicle door model, the roof side section of the frameless vehicle door is obtained;
the roof side cross section is a cross section for displaying a roof front door structure, a door glass, a weather strip, and a side panel structure, and is also referred to as T02A.
S103: according to the side section of the car roof, acquiring an initial gap matching value and an initial overlapping amount of the car door glass and a sealing structure, which meet a first preset requirement, by simulating the opening process of the frameless car door; the first preset requirement is a requirement for opening the vehicle door without using tools after collision under two standards of GB 11551 and GB 20071;
s104: updating the roof side section with the initial gap match value and initial overlap amount;
s105: carrying out simulation analysis on the updated roof side cross section, judging whether the updated roof side cross section meets the requirements of frameless door sash rigidity and high-speed cross wind noise and vibration and noise vibration roughness NVH, if not, optimizing the initial gap matching value or initial overlapping amount, taking the optimized initial gap matching value or initial overlapping amount as a new initial gap matching value or initial overlapping amount, and returning to the step of updating the roof side cross section by using the initial gap matching value and the initial overlapping amount;
if so, the initial overlap amount is output as a target overlap amount.
In this embodiment, in the method for obtaining the overlapping amount of the door glass and the sealing structure, a side section of a roof is obtained according to a frameless door model, and an initial gap matching value and an initial overlapping amount of the door glass and the sealing structure, which meet a first preset requirement, are obtained by simulating a frameless door opening process according to the side section of the roof; then updating the roof side section through the initial gap matching value and the initial overlapping amount; and finally, performing simulation analysis on the updated side section of the car roof to obtain an initial overlapping amount meeting the requirements of the rigidity of the frameless car door window frame and the high-speed crosswind NVH (noise vibration and harshness) as a target overlapping amount, so that the aim of forward research and development of a method for obtaining the overlapping amount of the car door glass and the sealing structure is fulfilled, and the problems of large design risk, more parameter change times, high development and verification cost, long development period and even influence or overturn on the original modeling style or design caused by reversely obtaining the overlapping amount of the car door glass and the sealing structure in the frameless car door are solved.
The method for obtaining the overlapping amount of the door glass and the sealing structure provided by the embodiment can effectively detect the basic levels of 'window frame rigidity', 'high-speed crosswind NVH (Noise, Vibration, Harshness)' and 'the frameless door can be opened without tools after collision' and the like at the early stage of the design stage of the scheme of the frameless door, and can guide the selection of the sealing strip material and the process.
On the basis of the above embodiment, in an embodiment of the present application, as shown in fig. 2, the method of acquiring the overlapping amount of the door glass with the seal structure includes:
s201: according to the modeling of the frameless vehicle door, the sealing structure of the frameless vehicle door and the initial material type of vehicle door glass are obtained, wherein the sealing structure is a sealing strip or a combined structure of the sealing strip and a bright strip;
s202: according to the sealing structure and the frameless vehicle door model, the roof side section of the frameless vehicle door is obtained;
s203: according to the axis of the door hinge in the cross section of the side surface of the roof, by simulating the opening motion process of the door glass in the state that the door glass is lifted to the top, the distance or the overlapping amount of the top of the door glass meeting the first preset requirement and the sealing structure is obtained as the first gap matching value;
s204: and calculating a minimum gap value and an initial overlapping amount which are required to be met by the door glass and the sealing structure in the opening process of the frameless door after the parts of the side section of the roof are assembled by using the first gap matching value according to the GD & T dimensional tolerance, and taking the minimum gap value as the initial gap matching value.
S205: updating the roof side section with the initial gap match value and the initial overlap amount;
s206: carrying out simulation analysis on the updated roof side cross section, judging whether the updated roof side cross section meets the requirements of frameless door sash rigidity and high-speed cross wind noise and vibration and noise vibration roughness NVH, if not, optimizing the initial gap matching value or initial overlapping amount, taking the optimized initial gap matching value or initial overlapping amount as a new initial gap matching value or initial overlapping amount, and returning to the step of updating the roof side cross section by using the initial gap matching value and the initial overlapping amount;
if so, the initial overlap amount is output as a target overlap amount.
In the embodiment, a practical specific step of obtaining an initial gap matching value and an initial overlapping amount of the door glass and the sealing structure meeting a first preset requirement by simulating the opening process of the frameless door according to the roof side section is provided.
Specifically, referring to fig. 3, fig. 3 is a force diagram for simulating an opening process of a frameless vehicle door, where F in fig. 3 represents the initial overlap amount, and Y represents the initial gap matching value.
On the basis of the above embodiment, in another embodiment of the present application, as shown in fig. 4, the method of acquiring the overlapping amount of the door glass with the seal structure includes:
s301: according to the modeling of the frameless vehicle door, the sealing structure of the frameless vehicle door and the initial material type of vehicle door glass are obtained, wherein the sealing structure is a sealing strip or a combined structure of the sealing strip and a bright strip;
s302: according to the sealing structure and the frameless vehicle door model, the roof side section of the frameless vehicle door is obtained;
s303: according to the side section of the car roof, acquiring an initial gap matching value and an initial overlapping amount of the car door glass and a sealing structure, which meet a first preset requirement, by simulating the opening process of the frameless car door; the first preset requirement is a requirement for opening the vehicle door without using tools after collision under two standards of GB 11551 and GB 20071;
s304: updating the roof side section with the initial gap match value and initial overlap amount;
s305: carrying out simulation analysis on the updated roof side cross section, judging whether the updated roof side cross section meets the requirements of frameless vehicle door window frame rigidity and high-speed cross wind noise and vibration and noise vibration roughness NVH (noise vibration harshness), if not, optimizing the initial gap matching value or the initial overlapping amount, taking the optimized initial gap matching value or the optimized initial overlapping amount as a new initial gap matching value or an initial overlapping amount, and returning to the step of updating the roof side cross section by using the initial gap matching value and the initial overlapping amount;
if so, the initial overlap amount is output as a target overlap amount.
S306: and updating the roof side cross section according to the target overlap amount, judging whether the stress value of the deformation of the sealing structure of the updated roof side cross section in the door opening process is larger than a preset threshold value, if so, simulating the initial overlap amount of the door glass and the sealing structure in the frameless door opening process according to the roof side cross section to be used as a final overlap amount, and if not, using the target overlap amount as a final overlap amount.
In this embodiment, the purpose of adding step S306 is to avoid the situation that the target overlap amount may not meet the first preset requirement due to optimizing the initial gap matching value or the initial overlap amount in step S305, and therefore, when this situation occurs, the initial overlap amount of the door glass and the sealing structure in the opening process of the frameless vehicle door will be simulated according to the roof side cross section as the final overlap amount, and the frameless vehicle door will be optimized through other arrangements or structures of the whole vehicle or the vehicle door system, so that the frameless vehicle door meets the requirements of the window frame rigidity and the high-speed crosswind NVH.
On the basis of the above embodiment, in another embodiment of the present application, as shown in fig. 5, the method of acquiring the overlapping amount of the door glass with the seal structure includes:
s401: according to the modeling of the frameless vehicle door, the sealing structure of the frameless vehicle door and the initial material type of vehicle door glass are obtained, wherein the sealing structure is a sealing strip or a combined structure of the sealing strip and a bright strip;
s402: according to the sealing structure and the frameless vehicle door model, the roof side section of the frameless vehicle door is obtained;
s403: according to the side section of the car roof, acquiring an initial gap matching value and an initial overlapping amount of the car door glass and a sealing structure, which meet a first preset requirement, by simulating the opening process of the frameless car door; the first preset requirement is a requirement for opening the vehicle door without using tools after collision under two standards of GB 11551 and GB 20071;
s404: updating the roof side section with the initial gap match value and the initial overlap amount;
s405: carrying out simulation analysis on the updated roof side cross section, judging whether the updated roof side cross section meets the requirements of frameless door sash rigidity and high-speed cross wind noise and vibration and noise vibration roughness NVH, if not, optimizing the initial gap matching value or initial overlapping amount, taking the optimized initial gap matching value or initial overlapping amount as a new initial gap matching value or initial overlapping amount, and returning to the step of updating the roof side cross section by using the initial gap matching value and the initial overlapping amount;
if so, the initial overlap amount is output as a target overlap amount.
S406: and updating the roof side cross section according to the target overlap amount, judging whether the stress value of the sealing structure, caused by deformation, of the updated roof side cross section in the door opening process is larger than a preset threshold value, if so, simulating the initial overlap amount of the door glass and the sealing structure in the frameless door opening process according to the roof side cross section to serve as a final overlap amount, and if not, taking the target overlap amount as a final overlap amount.
S407: determining the material and the technological parameters of the sealing structure according to the final overlapping amount and the distance requirement between the car door glass and the sealing structure;
the distance between the door glass and the sealing structure is required to be the minimum distance between the two sides of the door glass and the sealing structure at the two sides in the vertical direction.
In the present embodiment, step S407 is added for the purpose of guiding the material and process parameters of the sealing structure according to the determined final overlap amount.
The system for acquiring the overlapping amount of the door glass and the sealing structure provided by the embodiment of the present application is explained below, and the system for acquiring the overlapping amount of the door glass and the sealing structure described below may be referred to in correspondence with the method for acquiring the overlapping amount of the door glass and the sealing structure described above.
Accordingly, the embodiment of the present application provides a system for acquiring an overlapping amount of a door glass and a sealing structure, which is used in a design process of a frameless door, and the system for acquiring the overlapping amount of the door glass and the sealing structure comprises:
the type determining module is used for obtaining the type of a sealing structure of the frameless vehicle door and the type of initial materials of vehicle door glass according to the modeling of the frameless vehicle door, wherein the sealing structure is a sealing strip or a combined structure of the sealing strip and a bright strip;
the section acquiring module is used for acquiring the roof side section of the frameless vehicle door according to the sealing structure and the model of the frameless vehicle door;
the initial quantity determining module is used for acquiring an initial gap matching value and an initial overlapping quantity of the vehicle door glass and the sealing structure meeting a first preset requirement in a process of simulating the opening of the frameless vehicle door according to the side section of the vehicle roof; the first preset requirement is a requirement for opening the vehicle door without using tools after collision under two standards of GB 11551 and GB 20071;
a T02A updating module for updating the roof side sections with the initial gap match values and initial overlap amounts;
the simulation analysis module is used for performing simulation analysis on the updated roof side cross section, judging whether the updated roof side cross section meets the requirements of frameless door window frame rigidity and high-speed cross wind noise, vibration and noise vibration roughness NVH (noise vibration harshness), if not, optimizing the initial gap matching value or the initial overlapping amount, taking the optimized initial gap matching value or the optimized initial overlapping amount as a new initial gap matching value or an initial overlapping amount, and returning to the step of updating the roof side cross section by using the initial gap matching value and the initial overlapping amount;
if so, the initial overlap amount is output as a target overlap amount.
Optionally, the initial quantity determining module includes:
the simulation unit is used for simulating the opening motion process of the car door under the state that the car door glass rises to the top according to the axis of the car door hinge in the section of the side surface of the roof, and acquiring the distance or the overlapping amount between the top of the car door glass meeting the first preset requirement and the sealing structure as a first gap matching value;
and the size correction unit is used for calculating a minimum gap value and an initial overlapping amount which are required to be met by the door glass and the sealing structure in the opening process of the frameless door after the parts of the roof side cross section are assembled and the frameless door is opened by utilizing the first gap matching value according to the size tolerance, and taking the minimum gap value as the initial gap matching value.
Optionally, the system for acquiring the overlapping amount of the door glass and the sealing structure further comprises: and the correction module is used for updating the roof side cross section according to the target overlap amount, judging whether the stress value of the sealing structure, caused by deformation, of the updated roof side cross section in the door opening process is larger than a preset threshold value, if so, simulating the initial overlap amount of the door glass and the sealing structure in the frameless door opening process according to the roof side cross section to serve as a final overlap amount, and if not, taking the target overlap amount as a final overlap amount.
Optionally, the system for acquiring the overlapping amount of the door glass and the sealing structure further comprises:
the material determining module is used for determining the material and the technological parameters of the sealing structure according to the final overlapping amount and the distance requirement between the door glass and the sealing structure;
the distance between the door glass and the sealing structure is required to be the minimum distance between the two sides of the door glass and the sealing structure at the two sides in the vertical direction.
In summary, the embodiment of the application provides a method and a system for obtaining an overlapping amount of a door glass and a sealing structure, wherein in the method for obtaining the overlapping amount of the door glass and the sealing structure, a side cross section of a roof is obtained according to a frameless door model, and an initial gap matching value and an initial overlapping amount of the door glass and the sealing structure, which meet a first preset requirement, are obtained by simulating a frameless door opening process according to the side cross section of the roof; then updating the roof side section through the initial gap matching value and the initial overlapping amount; and finally, performing simulation analysis on the updated side section of the car roof to obtain an initial overlapping amount meeting the requirements of the rigidity of the frameless car door window frame and the high-speed crosswind NVH (noise vibration and harshness) as a target overlapping amount, so that the aim of forward research and development of a method for obtaining the overlapping amount of the car door glass and the sealing structure is fulfilled, and the problems of large design risk, more parameter change times, high development and verification cost, long development period and even influence or overturn on the original modeling style or design caused by reversely obtaining the overlapping amount of the car door glass and the sealing structure in the frameless car door are solved.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A method for acquiring the overlapping amount of a door glass and a sealing structure is used in a frameless vehicle door design process, and comprises the following steps:
according to the modeling of the frameless vehicle door, the sealing structure of the frameless vehicle door and the initial material type of vehicle door glass are obtained, wherein the sealing structure is a sealing strip or a combined structure of the sealing strip and a bright strip;
according to the sealing structure and the frameless vehicle door model, the roof side section of the frameless vehicle door is obtained;
according to the side section of the car roof, acquiring an initial gap matching value and an initial overlapping amount of the car door glass and a sealing structure, which meet a first preset requirement, by simulating the opening process of the frameless car door; the first preset requirement is a requirement for opening the vehicle door without using tools after collision under two standards of GB 11551 and GB 20071;
updating the roof side section with the initial gap match value and initial overlap amount;
carrying out simulation analysis on the updated roof side cross section, judging whether the updated roof side cross section meets the requirements of frameless door sash rigidity and high-speed cross wind noise and vibration and noise vibration roughness NVH, if not, optimizing the initial gap matching value or initial overlapping amount, taking the optimized initial gap matching value or initial overlapping amount as a new initial gap matching value or initial overlapping amount, and returning to the step of updating the roof side cross section by using the initial gap matching value and the initial overlapping amount;
if so, the initial overlap amount is output as a target overlap amount.
2. The method of claim 1, wherein the obtaining of the initial gap matching value and the initial overlap amount of the door glass and the sealing structure meeting the first preset requirement by simulating the opening process of the frameless door according to the roof side cross section comprises:
according to the axis of the door hinge in the cross section of the side surface of the roof, the distance or the overlapping amount of the top of the door glass meeting the first preset requirement and the sealing structure is obtained as a first gap matching value by simulating the opening motion process of the door glass in the state of lifting to the top;
and calculating a minimum gap value and an initial overlapping amount which are required to be met by the door glass and the sealing structure in the opening process of the frameless door after the parts of the roof side section are assembled by using the first gap matching value according to the dimensional tolerance, and taking the minimum gap value as the initial gap matching value.
3. The method of claim 1, wherein said outputting the initial amount of overlap as a target amount of overlap further comprises:
and updating the roof side cross section according to the target overlap amount, judging whether the stress value of the deformation of the sealing structure of the updated roof side cross section in the door opening process is larger than a preset threshold value, if so, simulating the initial overlap amount of the door glass and the sealing structure in the frameless door opening process according to the roof side cross section to be used as a final overlap amount, and if not, using the target overlap amount as a final overlap amount.
4. The method according to claim 3, wherein the step of updating the roof side cross section according to the target overlap amount and determining whether the stress value of the sealing structure due to deformation during door opening of the updated roof side cross section is greater than a preset threshold value, if yes, the step of simulating initial overlap amount of the door glass and the sealing structure during opening of the frameless door according to the roof side cross section is used as a final overlap amount, and if not, the step of using the target overlap amount as the final overlap amount further comprises the following steps:
determining the material and the technological parameters of the sealing structure according to the final overlapping amount and the distance requirement between the car door glass and the sealing structure;
the distance between the door glass and the sealing structure is required to be the minimum distance between the two sides of the door glass and the sealing structure at the two sides in the vertical direction.
5. A system for obtaining an amount of overlap of a door glass with a sealing structure for use in a design process for a frameless vehicle door, the system comprising:
the type determining module is used for obtaining the type of a sealing structure of the frameless vehicle door and the type of initial materials of vehicle door glass according to the modeling of the frameless vehicle door, wherein the sealing structure is a sealing strip or a combined structure of the sealing strip and a bright strip;
the section obtaining module is used for obtaining the side section of the roof of the frameless vehicle door according to the sealing structure and the model of the frameless vehicle door;
the initial quantity determining module is used for acquiring an initial gap matching value and an initial overlapping quantity of the vehicle door glass and the sealing structure which meet a first preset requirement in a process of simulating the opening of the frameless vehicle door according to the side section of the vehicle roof; the first preset requirement is a requirement for opening the vehicle door without using tools after collision under two standards of GB 11551 and GB 20071;
a T02A updating module for updating the roof side sections with the initial gap match values and initial overlap amounts;
the simulation analysis module is used for performing simulation analysis on the updated roof side cross section, judging whether the updated roof side cross section meets the requirements of frameless door window frame rigidity and high-speed cross wind noise, vibration and noise vibration roughness NVH (noise vibration harshness), if not, optimizing the initial gap matching value or the initial overlapping amount, taking the optimized initial gap matching value or the optimized initial overlapping amount as a new initial gap matching value or an initial overlapping amount, and returning to the step of updating the roof side cross section by using the initial gap matching value and the initial overlapping amount;
if so, the initial overlap amount is output as a target overlap amount.
6. The system of claim 5, wherein the initial quantity determination module comprises:
the simulation unit is used for simulating the opening motion process of the car door under the state that the car door glass rises to the top according to the axis of the car door hinge in the section of the side surface of the roof, and acquiring the distance or the overlapping amount between the top of the car door glass meeting the first preset requirement and the sealing structure as a first gap matching value;
and the size correction unit is used for calculating a minimum gap value and an initial overlapping amount which are required to be met by the door glass and the sealing structure in the opening process of the frameless door after the parts of the roof side cross section are assembled and the frameless door is opened by utilizing the first gap matching value according to the size tolerance, and taking the minimum gap value as the initial gap matching value.
7. The system of claim 5, further comprising: and the correction module is used for updating the roof side cross section according to the target overlap amount, judging whether the stress value of the sealing structure, caused by deformation, of the updated roof side cross section in the door opening process is larger than a preset threshold value, if so, simulating the initial overlap amount of the door glass and the sealing structure in the frameless door opening process according to the roof side cross section to serve as a final overlap amount, and if not, taking the target overlap amount as a final overlap amount.
8. The system of claim 7, further comprising:
the material determining module is used for determining the material and the technological parameters of the sealing structure according to the final overlapping amount and the distance requirement between the door glass and the sealing structure;
the distance between the door glass and the sealing structure is required to be the minimum distance between the two sides of the door glass and the sealing structure at the two sides in the vertical direction.
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| JPS6056644B2 (en) * | 1981-07-01 | 1985-12-11 | 日産自動車株式会社 | Center seal structure of a satsileless door type car |
| JP3304432B2 (en) * | 1992-10-30 | 2002-07-22 | 豊田合成株式会社 | Automotive door glass weatherstrip |
| DE10037303A1 (en) * | 2000-07-28 | 2002-02-21 | Thyssenkrupp Technologies Ag | Method of manufacturing a door of a motor vehicle and frameless door manufactured by this method |
| US9707831B2 (en) * | 2015-08-12 | 2017-07-18 | Ford Global Technologies, Llc | Active glass retention system |
| CN107169173A (en) * | 2017-04-21 | 2017-09-15 | 同济大学 | A kind of door weather strip sound insulation measurement for considering compressive state influence and optimization method |
| DE102018004682A1 (en) * | 2018-06-12 | 2018-11-29 | Daimler Ag | Method for adjusting a disk and adjusting device |
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