CN116952498A - Method and device for evaluating rigidity of front bumper face shield of passenger car - Google Patents
Method and device for evaluating rigidity of front bumper face shield of passenger car Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000011156 evaluation Methods 0.000 claims abstract description 70
- 238000003825 pressing Methods 0.000 claims abstract description 8
- 238000013461 design Methods 0.000 abstract description 7
- 238000012545 processing Methods 0.000 description 9
- 230000002093 peripheral effect Effects 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
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- 230000003287 optical effect Effects 0.000 description 3
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- 239000000463 material Substances 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 210000003195 fascia Anatomy 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0041—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
- G01M5/005—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress by means of external apparatus, e.g. test benches or portable test systems
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Abstract
The application relates to a method and a device for evaluating rigidity of a front bumper face guard of a passenger car. Comprising the following steps: 1. determining the position of a tangent point P1 according to a longitudinal axis L1 of the vehicle, an outer contour line L2 of the vertical projection of the front bumper face mask and a straight line L3; 2. from the position of P1, a straight line L4 is determined that passes through P1 and is parallel to the longitudinal axis L1 of the vehicle; 3. from L4, a plane S1 is determined that crosses the straight line L4 and is parallel to the longitudinal plane of the vehicle; 4. determining an intersection line C1 of the plane S1 and the front bumper face guard according to the S1 and the front bumper face guard; 5. determining a rigidity evaluation area of the front bumper face mask according to the intersecting lines C1 and C2; 6. and applying pressure to the rigidity evaluation area of the front bumper face guard to evaluate the rigidity deformation amount of the front bumper face guard. The rigidity of the front bumper face guard is evaluated in the data design stage, so that the bearable rigidity deformation of the front bumper face guard real object is prejudged and evaluated, and the obvious or unacceptable soft phenomenon is avoided.
Description
Technical Field
The application belongs to the technical field of automobiles, and particularly relates to a method and a device for evaluating rigidity of a front bumper face shield of a passenger car.
Background
After purchasing a vehicle, a consumer often uses a palm or finger to perform subjective evaluation of the rigidity of the front bumper by following the front bumper face cover. If a marked or unacceptable soft phenomenon occurs after pressing, the awareness of consumers to brands can be greatly reduced. If design optimization is performed after the vehicle is marketed, a high design change cost is necessarily incurred.
Disclosure of Invention
The application provides a method and a device for evaluating the rigidity of a front bumper face guard of a passenger car, which are used for pre-judging and evaluating the bearable rigidity deformation of a front bumper face guard material object by evaluating the rigidity of the front bumper face guard in a data design stage so as to avoid obvious or unacceptable soft phenomenon of a consumer under the condition that the palm or fingers are in accordance with the front bumper face guard.
The technical scheme of the application is as follows in combination with the accompanying drawings:
in a first aspect, an embodiment of the present application provides a method for evaluating rigidity of a front bumper face cover of a passenger vehicle, including the steps of:
step one, determining the position of a tangent point P1 according to a longitudinal axis L1 of a vehicle, an outer contour line L2 of vertical projection of a front bumper face mask and a straight line L3;
step two, determining a straight line L4 which passes through the point P1 and is parallel to the longitudinal axis L1 of the vehicle according to the position of the tangent point P1;
step three, determining a plane S1 which passes through the straight line L4 and is parallel to the longitudinal plane of the vehicle according to the straight line L4;
determining an intersection line C1 of the plane S1 and the front bumper face mask according to the plane S1 and the front bumper face mask;
step five, determining a first evaluation area A1, a second evaluation area A2 and a third evaluation area A3 which are rigidity evaluation areas of the front bumper face mask according to the intersecting line C1 and the intersecting line C2;
and step six, applying pressure to the first, second and third evaluation areas A1, A2 and A3 which are rigidity evaluation areas of the front bumper face guard, and evaluating the rigidity deformation amount of the front bumper face guard.
Further, in the first step, the straight line L3 is a straight line having an included angle of 60 ° with the longitudinal axis L1 of the vehicle and tangent to an outer contour line L2 of the front bumper face mask projected perpendicularly; the tangent point P1 is a tangent point of the straight line L3 tangent to the outer contour line L2 of the vertical projection of the front bumper face shield.
Further, in the fifth step, the intersecting line C2 is symmetrical with respect to the vehicle longitudinal plane; the first evaluation area A1 is positioned in the middle of the intersection line C1 and the intersection line C2 and is positioned right in front of the passenger car; the second evaluation area A2 is arranged on one side of the intersection line C1 and is positioned on the side of the passenger car; the third evaluation area A3 is arranged on one side of the intersection line C2, laterally to the passenger car.
Further, in the sixth step, a pressure corresponding to a weight of 50KG is applied to the first, second and third evaluation areas A1, A2 and A3 with a contact diameter s=50 mm.
Further, in the sixth step, a specific method for evaluating the rigid deformation amount of the front bumper face cover is as follows:
when the deformation of the first evaluation area A1 is less than or equal to 3mm, the deformation is qualified;
when the deformation of the second evaluation area A2 is less than or equal to 8mm, the deformation is qualified;
when the deformation amount of the second evaluation area A3 is 8mm or less, it is judged as being acceptable.
In a second aspect, an embodiment of the present application further provides a device for evaluating rigidity of a front bumper face cover of a passenger vehicle, including:
the first determining module is used for determining the position of the tangent point P1 according to the longitudinal axis L1 of the vehicle, the outer contour line L2 of the vertical projection of the front bumper face mask and the straight line L3;
a second determining module for determining a straight line L4 passing through the point P1 and parallel to the vehicle longitudinal axis L1 according to the position of the tangent point P1;
a third determining module for determining a plane S1 passing through the straight line L4 and parallel to the longitudinal plane of the vehicle, based on the straight line L4;
a fourth determining module, configured to determine an intersection line C1 of the plane S1 and the front bumper face cover according to the plane S1 and the front bumper face cover;
a fifth determining module, configured to determine a first evaluation area A1, a second evaluation area A2, and a third evaluation area A3, which are rigidity evaluation areas of the front bumper face mask, according to the intersecting line C1 and the intersecting line C2;
and an evaluation module for applying pressure to the first, second and third evaluation areas A1, A2 and A3, which are rigidity evaluation areas of the front bumper face, to evaluate the rigidity deformation amount of the front bumper face.
In a third aspect, a terminal is provided, including:
one or more processors;
a memory for storing the one or more processor-executable instructions;
wherein the one or more processors are configured to:
the method according to the first aspect of the embodiment of the application is performed.
In a fourth aspect, a non-transitory computer readable storage medium is provided, which when executed by a processor of a terminal, enables the terminal to perform the method according to the first aspect of the embodiments of the application.
In a fifth aspect, an application product is provided, which when running at a terminal causes the terminal to perform the method according to the first aspect of the embodiments of the application.
The beneficial effects of the application are as follows:
the rigidity of the front bumper face guard is evaluated in the data design stage, so that the bearable rigidity deformation of the front bumper face guard can be prejudged and evaluated, and obvious or unacceptable soft phenomena can be avoided under the condition that a consumer uses a palm or fingers to follow the front bumper face guard.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of a method for evaluating rigidity of a front bumper face shield of a passenger vehicle according to the present application;
fig. 2 is a schematic view of the tangent point P1;
FIG. 3 is a schematic view of line L4;
FIG. 4 is a schematic view of a plane S1;
FIG. 5 is a schematic view of intersection line C1 and intersection line C2;
fig. 6 is a schematic diagram of a first evaluation area A1, a second evaluation area A2, and a third evaluation area A3;
FIG. 7 is a schematic view of a device for evaluating rigidity of a front bumper face cover of a passenger vehicle according to the present application;
fig. 8 is a schematic block diagram of a terminal structure.
In the figure:
1. a front bumper face shield.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only to distinguish the description, and are not to be construed as indicating or implying relative importance.
Example 1
Fig. 1 is a flowchart of a method for evaluating rigidity of a front bumper face cover of a passenger vehicle according to an embodiment of the present application, where the method may be performed by a device for evaluating rigidity of a front bumper face cover of a passenger vehicle according to an embodiment of the present application, and the device may be implemented in software and/or hardware.
A method for evaluating rigidity of a front bumper face shield of a passenger vehicle comprises the following steps:
referring to fig. 2, step one, determining the position of a tangent point P1 according to a vehicle longitudinal axis L1, an outer contour line L2 of a vertical projection of a front bumper face mask, and a straight line L3;
wherein the straight line L3 is a straight line which is tangent to an outer contour line L2 of the vertical projection of the front bumper face shield, wherein the included angle of the straight line L3 and the longitudinal axis L1 of the vehicle is 60 degrees; the tangent point P1 is a tangent point of the straight line L3 tangent to the outer contour line L2 of the vertical projection of the front bumper face shield.
Referring to fig. 3, step two, determining a straight line L4 passing through the point P1 and parallel to the longitudinal axis L1 of the vehicle according to the position of the tangent point P1;
referring to fig. 4, step three, determining a plane S1 that is parallel to the longitudinal plane of the vehicle and passes through the straight line L4 according to the straight line L4;
referring to fig. 5, step four, determining an intersection line C1 of the plane S1 and the front bumper face mask according to the plane S1 and the front bumper face mask;
referring to fig. 6, step five, determining a first evaluation area A1, a second evaluation area A2 and a third evaluation area A3, which are rigidity evaluation areas of the front bumper face mask, according to the intersecting line C1 and the intersecting line C2;
wherein the intersection line C2 is symmetrical with respect to the vehicle longitudinal plane; the first evaluation area A1 is positioned in the middle of the intersection line C1 and the intersection line C2 and is positioned right in front of the passenger car; the second evaluation area A2 is provided on one side of the intersection line C1 (on the side opposite to the first evaluation area A1) and is located on the side of the passenger car; the third evaluation area A3 is provided on one side of the intersection line C2 (on the side opposite to the first evaluation area A1) and is located on the side of the passenger car.
And step six, applying pressure to the first, second and third evaluation areas A1, A2 and A3 which are rigidity evaluation areas of the front bumper face guard, and evaluating the rigidity deformation amount of the front bumper face guard.
A pressure corresponding to a weight of 50KG was applied to the first, second and third evaluation areas A1, A2 and A3 with a contact diameter s=50 mm.
The specific method for evaluating the rigid deformation of the front bumper face mask is as follows:
when the deformation of the first evaluation area A1 is less than or equal to 3mm, the deformation is qualified;
when the deformation of the second evaluation area A2 is less than or equal to 8mm, the deformation is qualified;
when the deformation amount of the second evaluation area A3 is 8mm or less, it is judged as being acceptable.
In summary, the rigidity of the front bumper face guard is evaluated in the data design stage, so that the rigid deformation amount of the front bumper face guard, which can be born by a real object, is pre-judged and evaluated, and obvious or unacceptable soft phenomena are avoided under the condition that a consumer uses a palm or fingers to follow the front bumper face guard.
Example two
Referring to fig. 7, a passenger vehicle front bumper face shield rigidity evaluation apparatus includes:
the first determining module is used for determining the position of the tangent point P1 according to the longitudinal axis L1 of the vehicle, the outer contour line L2 of the vertical projection of the front bumper face mask and the straight line L3;
a second determining module for determining a straight line L4 passing through the point P1 and parallel to the vehicle longitudinal axis L1 according to the position of the tangent point P1;
a third determining module for determining a plane S1 passing through the straight line L4 and parallel to the longitudinal plane of the vehicle, based on the straight line L4;
a fourth determining module, configured to determine an intersection line C1 of the plane S1 and the front bumper face cover according to the plane S1 and the front bumper face cover;
a fifth determining module, configured to determine a first evaluation area A1, a second evaluation area A2, and a third evaluation area A3, which are rigidity evaluation areas of the front bumper face mask, according to the intersecting line C1 and the intersecting line C2;
and an evaluation module for applying pressure to the first, second and third evaluation areas A1, A2 and A3, which are rigidity evaluation areas of the front bumper face, to evaluate the rigidity deformation amount of the front bumper face.
Example III
Fig. 8 is a block diagram of a terminal according to an embodiment of the present application, and the terminal may be a terminal according to the above embodiment. The terminal may be a portable mobile terminal such as: smart phone, tablet computer. Terminals may also be referred to by other names, user equipment, portable terminals, etc.
Generally, the terminal includes: a processor 301 and a memory 302.
Processor 301 may include one or more processing cores, such as a 4-core processor, an 8-core processor, and the like. The processor 301 may be implemented in at least one hardware form of DSP (Digital Signal Processing ), FPGA (Field-Programmable Gate Array, field programmable gate array), PLA (Programmable Logic Array ). The processor 301 may also include a main processor, which is a processor for processing data in an awake state, also called a CPU (Central Processing Unit ), and a coprocessor; a coprocessor is a low-power processor for processing data in a standby state. In some embodiments, the processor 301 may integrate a GPU (Graphics Processing Unit, image processor) for rendering and drawing of content required to be displayed by the display screen. In some embodiments, the processor 301 may also include an AI (Artificial Intelligence ) processor for processing computing operations related to machine learning.
Memory 302 may include one or more computer-readable storage media, which may be tangible and non-transitory. Memory 302 may also include high-speed random access memory, as well as non-volatile memory, such as one or more magnetic disk storage devices, flash memory storage devices. In some embodiments, a non-transitory computer readable storage medium in memory 302 is used to store at least one instruction for execution by processor 301 to implement a method of evaluating a front bumper fascia stiffness of a passenger vehicle provided in the present application.
In some embodiments, the terminal may further optionally include: a peripheral interface 303, and at least one peripheral. Specifically, the peripheral device includes: at least one of radio frequency circuitry 304, touch screen 305, camera 306, audio circuitry 307, positioning component 308, and power supply 309.
The peripheral interface 303 may be used to connect at least one Input/Output (I/O) related peripheral to the processor 301 and the memory 302. In some embodiments, processor 301, memory 302, and peripheral interface 303 are integrated on the same chip or circuit board; in some other embodiments, either or both of the processor 301, the memory 302, and the peripheral interface 303 may be implemented on separate chips or circuit boards, which is not limited in this embodiment.
The Radio Frequency circuit 304 is configured to receive and transmit RF (Radio Frequency) signals, also known as electromagnetic signals. The radio frequency circuitry 304 communicates with a communication network and other communication devices via electromagnetic signals. The radio frequency circuit 304 converts an electrical signal into an electromagnetic signal for transmission, or converts a received electromagnetic signal into an electrical signal. Optionally, the radio frequency circuit 304 includes: antenna systems, RF transceivers, one or more amplifiers, tuners, oscillators, digital signal processors, codec chipsets, subscriber identity module cards, and so forth. The radio frequency circuitry 304 may communicate with other terminals via at least one wireless communication protocol. The wireless communication protocol includes, but is not limited to: the world wide web, metropolitan area networks, intranets, generation mobile communication networks (2G, 3G, 4G, and 5G), wireless local area networks, and/or WiFi (Wireless Fidelity ) networks. In some embodiments, the radio frequency circuitry 304 may also include NFC (Near Field Communication ) related circuitry, which is not limiting of the application.
The touch display screen 305 is used to display a UI (User Interface). The UI may include graphics, text, icons, video, and any combination thereof. The touch screen 305 also has the ability to collect touch signals at or above the surface of the touch screen 305. The touch signal may be input as a control signal to the processor 301 for processing. The touch screen 305 is used to provide virtual buttons and/or virtual keyboards, also known as soft buttons and/or soft keyboards. In some embodiments, the touch display 305 may be one, providing a front panel of the terminal; in other embodiments, the touch display screen 305 may be at least two, respectively disposed on different surfaces of the terminal or in a folded design; in still other embodiments, the touch display 305 may be a flexible display disposed on a curved surface or a folded surface of the terminal. Even more, the touch display screen 305 may be arranged in an irregular pattern that is not rectangular, i.e., a shaped screen. The touch display 305 may be made of LCD (Liquid Crystal Display ), OLED (Organic Light-Emitting Diode) or other materials.
The camera assembly 306 is used to capture images or video. Optionally, the camera assembly 306 includes a front camera and a rear camera. In general, a front camera is used for realizing video call or self-photographing, and a rear camera is used for realizing photographing of pictures or videos. In some embodiments, the number of the rear cameras is at least two, and the rear cameras are any one of a main camera, a depth camera and a wide-angle camera, so as to realize fusion of the main camera and the depth camera to realize a background blurring function, and fusion of the main camera and the wide-angle camera to realize a panoramic shooting function and a Virtual Reality (VR) shooting function. In some embodiments, camera assembly 306 may also include a flash. The flash lamp can be a single-color temperature flash lamp or a double-color temperature flash lamp. The dual-color temperature flash lamp refers to a combination of a warm light flash lamp and a cold light flash lamp, and can be used for light compensation under different color temperatures.
The audio circuit 307 is used to provide an audio interface between the user and the terminal. The audio circuit 307 may include a microphone and a speaker. The microphone is used for collecting sound waves of users and environments, converting the sound waves into electric signals, and inputting the electric signals to the processor 301 for processing, or inputting the electric signals to the radio frequency circuit 304 for voice communication. For the purpose of stereo acquisition or noise reduction, a plurality of microphones can be respectively arranged at different parts of the terminal. The microphone may also be an array microphone or an omni-directional pickup microphone. The speaker is used to convert electrical signals from the processor 301 or the radio frequency circuit 304 into sound waves. The speaker may be a conventional thin film speaker or a piezoelectric ceramic speaker. When the speaker is a piezoelectric ceramic speaker, not only the electric signal can be converted into a sound wave audible to humans, but also the electric signal can be converted into a sound wave inaudible to humans for ranging and other purposes. In some embodiments, the audio circuit 307 may also include a headphone jack.
The location component 308 is used to locate the current geographic location of the terminal to enable navigation or LBS (Location Based Service, location-based services). The positioning component 308 may be a positioning component based on the United states GPS (Global Positioning System ), the Beidou system of China, or the Galileo system of Russia.
The power supply 309 is used to power the various components in the terminal. The power source 309 may be alternating current, direct current, disposable or rechargeable. When the power source 309 comprises a rechargeable battery, the rechargeable battery may be a wired rechargeable battery or a wireless rechargeable battery. The wired rechargeable battery is a battery charged through a wired line, and the wireless rechargeable battery is a battery charged through a wireless coil. The rechargeable battery may also be used to support fast charge technology.
Those skilled in the art will appreciate that the structure shown in fig. 8 is not limiting of the terminal and may include more or fewer components than shown, or may combine certain components, or may employ a different arrangement of components.
Example IV
In an exemplary embodiment, there is also provided a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements a method of evaluating rigidity of a front bumper face cover of a passenger vehicle as provided by all inventive embodiments of the present application.
Any combination of one or more computer readable media may be employed. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. The computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the computer-readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
The computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, either in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations of the present application may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, smalltalk, C ++ and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computer (for example, through the Internet using an Internet service provider).
Example five
In an exemplary embodiment, an application program product is also provided that includes one or more instructions that are executable by the processor 301 of the above apparatus to perform a method of evaluating the rigidity of a front bumper face cover of a passenger vehicle as described above.
Although embodiments of the present application have been disclosed above, they are not limited to the use listed in the description and modes of implementation. It can be applied to various fields suitable for the present application. Additional modifications will readily occur to those skilled in the art. Therefore, the application is not to be limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (8)
1. The method for evaluating the rigidity of the front bumper face shield of the passenger vehicle is characterized by comprising the following steps of:
step one, determining the position of a tangent point P1 according to a longitudinal axis L1 of a vehicle, an outer contour line L2 of vertical projection of a front bumper face mask and a straight line L3;
step two, determining a straight line L4 which passes through the point P1 and is parallel to the longitudinal axis L1 of the vehicle according to the position of the tangent point P1;
step three, determining a plane S1 which passes through the straight line L4 and is parallel to the longitudinal plane of the vehicle according to the straight line L4;
determining an intersection line C1 of the plane S1 and the front bumper face mask according to the plane S1 and the front bumper face mask;
step five, determining a first evaluation area A1, a second evaluation area A2 and a third evaluation area A3 which are rigidity evaluation areas of the front bumper face mask according to the intersecting line C1 and the intersecting line C2;
and step six, applying pressure to the first, second and third evaluation areas A1, A2 and A3 which are rigidity evaluation areas of the front bumper face guard, and evaluating the rigidity deformation amount of the front bumper face guard.
2. The method for evaluating the rigidity of a front bumper face cover of a passenger vehicle according to claim 1, wherein in the first step, the straight line L3 is a straight line having an angle of 60 ° with the longitudinal axis L1 of the vehicle and being tangent to an outer contour line L2 of the front bumper face cover projected perpendicularly; the tangent point P1 is a tangent point of the straight line L3 tangent to the outer contour line L2 of the vertical projection of the front bumper face shield.
3. The method for evaluating rigidity of a front bumper face cover for a passenger vehicle according to claim 1, wherein in the fifth step, the intersecting line C2 is symmetrical with respect to a vehicle longitudinal plane; the first evaluation area A1 is positioned in the middle of the intersection line C1 and the intersection line C2 and is positioned right in front of the passenger car; the second evaluation area A2 is arranged on one side of the intersection line C1 and is positioned on the side of the passenger car; the third evaluation area A3 is arranged on one side of the intersection line C2, laterally to the passenger car.
4. The method according to claim 1, wherein in the sixth step, a pressure corresponding to a weight of 50KG is applied to the first, second and third evaluation areas A1, A2 and A3 with a contact diameter s=50 mm.
5. The method for evaluating the rigidity of a front bumper face cover of a passenger vehicle according to claim 1, wherein in the sixth step, the specific method for evaluating the rigidity deformation amount of the front bumper face cover is as follows:
when the deformation of the first evaluation area A1 is less than or equal to 3mm, the deformation is qualified;
when the deformation of the second evaluation area A2 is less than or equal to 8mm, the deformation is qualified;
when the deformation amount of the second evaluation area A3 is 8mm or less, it is judged as being acceptable.
6. A passenger car front bumper face guard rigidity evaluation device, characterized by comprising:
the first determining module is used for determining the position of the tangent point P1 according to the longitudinal axis L1 of the vehicle, the outer contour line L2 of the vertical projection of the front bumper face mask and the straight line L3;
a second determining module for determining a straight line L4 passing through the point P1 and parallel to the vehicle longitudinal axis L1 according to the position of the tangent point P1;
a third determining module for determining a plane S1 passing through the straight line L4 and parallel to the longitudinal plane of the vehicle, based on the straight line L4;
a fourth determining module, configured to determine an intersection line C1 of the plane S1 and the front bumper face cover according to the plane S1 and the front bumper face cover;
a fifth determining module, configured to determine a first evaluation area A1, a second evaluation area A2, and a third evaluation area A3, which are rigidity evaluation areas of the front bumper face mask, according to the intersecting line C1 and the intersecting line C2;
and an evaluation module for applying pressure to the first, second and third evaluation areas A1, A2 and A3, which are rigidity evaluation areas of the front bumper face, to evaluate the rigidity deformation amount of the front bumper face.
7. A terminal, comprising:
one or more processors;
a memory for storing the one or more processor-executable instructions;
wherein the one or more processors are configured to:
a method of evaluating rigidity of a front bumper face cover for a passenger vehicle according to any one of claims 1 to 5 is performed.
8. A non-transitory computer readable storage medium, characterized in that instructions in the storage medium, when executed by a processor of a terminal, enable the terminal to perform a method of evaluating the rigidity of a front bumper face cover of a passenger vehicle according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310921824.1A CN116952498A (en) | 2023-07-26 | 2023-07-26 | Method and device for evaluating rigidity of front bumper face shield of passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310921824.1A CN116952498A (en) | 2023-07-26 | 2023-07-26 | Method and device for evaluating rigidity of front bumper face shield of passenger car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116952498A true CN116952498A (en) | 2023-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310921824.1A Pending CN116952498A (en) | 2023-07-26 | 2023-07-26 | Method and device for evaluating rigidity of front bumper face shield of passenger car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116952498A (en) |
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2023
- 2023-07-26 CN CN202310921824.1A patent/CN116952498A/en active Pending
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Country or region after: China Address after: 130012 no.4888, Yushan Road, Changchun high tech Development Zone, Jilin Province Applicant after: FAW Besturn Automotive Co.,Ltd. Address before: No. 4888, Yushan Road, Changchun high tech Industrial Development Zone, Changchun City, Jilin Province Applicant before: FAW Pentium Car Co.,Ltd. Country or region before: China |
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