Deviation detection platform and deviation detection method

Abstract

This invention relates to the field of instrument panel assembly testing technology, and discloses a deviation detection platform and a deviation detection method for detecting instrument panel assemblies. The instrument panel assembly includes an instrument crossbeam, an air conditioner, and a seal. The air conditioner is detachably mounted on the instrument crossbeam, and the seal is mounted on the air conditioner. The instrument crossbeam has an end mounting position and a middle mounting position. The deviation detection platform includes: a base; an end mounting module mounted on the base for connecting to the end mounting positions; an air conditioner matching module mounted on the base for abutting against the side of the seal facing away from the air conditioner; and a standard mounting module mounted on the base, which has a standard mounting position. The positional deviation of the middle mounting position is determined based on the relative positions of the standard mounting position and the middle mounting position. The deviation detection platform can not only detect deviations in the instrument panel assembly, but is also simple to operate, does not require a body-in-white or coordinate measuring machine, and has low cost.

Description

Technical Field

[0001] This invention relates to the field of instrument panel assembly testing technology, specifically to a deviation detection platform and a deviation detection method. Background Technology

[0002] The instrument panel assembly includes an instrument beam and an air conditioner. The air conditioner is mounted on the instrument beam, and a seal is provided between the air conditioner and the body. The seal is compressed between the air conditioner and the body to generate elastic force. The weight of the air conditioner and the elastic force of the seal act on the instrument beam, which may cause the instrument beam to deform and cause positional deviation.

[0003] The measurement scheme for the instrument panel assembly in the relevant technology firstly involves measuring the deviation of the instrument beam itself using a gauge. Then, the instrument beam, air conditioner, and seals are assembled onto the vehicle body, and the positional deviation of the instrument beam on the vehicle body is obtained by measuring with a coordinate measuring machine. By comparing the above deviations, the instrument beam, air conditioner, and seals are rectified.

[0004] The above measurement scheme is not only cumbersome, but also requires the use of a coordinate measuring machine for the white body, resulting in high measurement costs. Summary of the Invention

[0005] This invention provides a deviation detection platform and a deviation detection method to solve the problems of cumbersome measurement steps and high measurement costs in the prior art for instrument panel assemblies.

[0006] In a first aspect, the present invention provides a deviation detection platform for detecting an instrument panel assembly, the instrument panel assembly including an instrument beam, an air conditioner, and a seal, the air conditioner being detachably mounted on the instrument beam, the seal being mounted on the air conditioner, the instrument beam having an end mounting position and a middle mounting position, the deviation detection platform comprising: a base; an end mounting module mounted on the base for connecting to the end mounting position; an air conditioner matching module mounted on the base for abutting against the side of the seal facing away from the air conditioner; and a standard mounting module mounted on the base, the standard mounting module having a standard mounting position, and determining the positional deviation of the middle mounting position based on the relative position of the standard mounting position and the middle mounting position.

[0007] Beneficial Effects: By installing the end mounting position of the instrument crossbeam onto the end mounting module, the installation position of the instrument crossbeam on the body-in-white is simulated, and the standard mounting position simulates the point on the body-in-white used to mate with the middle mounting position. When the air conditioner, steering pipe, instrument panel, and other structures are not installed on the instrument crossbeam, the positional deviation of the middle mounting position is obtained, which can be used as the first positional deviation. Then, the air conditioner and seals are installed on the instrument crossbeam. The seals are located between the air conditioner and the air conditioner matching module, with the seals having an interference fit between the air conditioner and the air conditioner matching module. The air conditioner matching module simulates the area where the body-in-white mates with the seals. The positional deviation of the middle mounting position is obtained as the second positional deviation. By comparing the second positional deviation with the first positional deviation, the positional change of the middle mounting position can be obtained. Based on the positional change of the middle mounting position, the positional deviation of the middle mounting position caused by the gravity of the air conditioner and the elasticity of the seals can be determined. This allows for rapid verification of the impact of the instrument panel crossbeam itself on the positional deviation of the central mounting position, as well as the impact of the air conditioning unit and seals as a whole on the positional deviation of the central mounting position. Based on this, the structure, installation position, and materials of the instrument panel crossbeam, seals, and air conditioning unit are adjusted to compensate for the aforementioned deformation and reduce the positional deviation of the central mounting position. In this embodiment of the invention, the deviation detection platform can simulate the environment of the body-in-white components, quickly identify the changes in positional deviation caused by each part, determine the pre-deformation amount that needs to be compensated, and quickly propose and verify modification schemes for the deviation detection platform and the instrument panel assembly. It does not rely on the body-in-white or coordinate measuring equipment, resulting in fast problem-solving, high optimization efficiency, and a significant reduction in the development cycle of the instrument panel assembly, thus reducing costs. In addition, the above adjustments can be quickly resolved at the supplier level, addressing issues such as assembly difficulties of peripheral parts of the instrument panel assembly and mismatched appearance due to gaps and surface differences during final assembly. For vehicle projects with the same architecture, the above deviation detection platform can be universally applied, further reducing the development cycle and costs.

[0008] In one optional embodiment, the central mounting position includes a first central mounting position, the base is perpendicular to the Z direction, and the standard mounting module includes a first standard module mounted on the base. The first standard module has a first standard mounting position, the first standard mounting position and the first central mounting position are correspondingly arranged, the central axis of the first standard mounting position extends at least along the X direction, and the X direction and the Z direction intersect.

[0009] Beneficial effects: By setting the first standard module, the deviation of the second middle part in the Y and Z directions can be detected, thereby determining the deviation of the instrument beam in the Y and Z directions, which is beneficial for optimizing the seals and the instrument beam.

[0010] In one alternative implementation, the first standard module is connected to the end-mount module and / or the air conditioning matching module.

[0011] Beneficial effects: It can improve the positioning reliability of the first standard module and the base, and after the instrument beam is installed to the end mounting module, the installation accuracy of the first standard module, the instrument beam and the air conditioner is higher.

[0012] In one optional embodiment, the central mounting position includes a second central mounting position, the base is perpendicular to the Z direction, and the standard mounting module includes a second standard module mounted on the base. The second standard module has a second standard mounting position, and the second standard mounting position and the second central mounting position are correspondingly arranged. The central axis of the second standard mounting position extends at least along the Y direction, and the Y direction and the Z direction intersect.

[0013] Beneficial effects: By setting a second standard module, it is possible to detect the deviation of the second middle part in the X and Z directions, thereby determining the deviation of the instrument beam in the X and Z directions, which is beneficial for optimizing the seals and the instrument beam.

[0014] In one alternative embodiment, the instrument panel assembly further includes an instrument panel, and the deviation detection platform further includes: a beam simulator detachably mounted to the end mounting module for mounting to the instrument panel; and a plurality of dimension detection modules mounted to the end mounting module and / or the standard mounting module for detecting circumferential dimension deviations of the instrument panel.

[0015] Beneficial Effects: By installing the crossbeam simulator onto the end mounting module, then mounting the instrument panel onto the crossbeam simulator, and using multiple dimensional detection modules to check the circumferential dimensional deviation of the instrument panel, the dimensional deviation of the instrument panel itself can be obtained. This dimensional deviation can be improved by optimizing the instrument panel's structure. Alternatively, by installing the instrument crossbeam onto the end mounting module, then mounting the air conditioning unit, seals, and steering pipe onto the instrument crossbeam, and finally mounting the instrument panel onto the instrument crossbeam, and using multiple dimensional detection modules to check the circumferential dimensional deviation of the instrument panel, the total circumferential dimensional deviation of the instrument panel assembly can be obtained. By comparing and analyzing the total circumferential dimensional deviation with the instrument panel's own circumferential dimensional deviation, the circumferential dimensional deviation of the instrument panel caused by the instrument crossbeam's own deviation, the weight of the air conditioning unit, the elasticity of the seals, and the weight of the steering pipe can be identified. By optimizing the density of the seals, the mounting points of the instrument crossbeam, and the mounting points of the instrument panel on the instrument crossbeam, the total circumferential dimensional deviation of the instrument panel assembly can be reduced, improving installation accuracy.

[0016] In one alternative embodiment, the beam simulator includes: a body detachably mounted to the end mounting module, the body being mounted on the dashboard; and a leg connected to the body, the leg being detachably connected to the base.

[0017] Beneficial effects: By setting out legs, the base can be used to support the main body, reducing the weight borne by the end mounting modules and thus extending the service life of the end mounting modules.

[0018] Secondly, the present invention also provides a deviation detection method for the aforementioned deviation detection platform, comprising: installing an end mounting position of an instrument beam onto an end mounting module; detecting the relative position of a standard mounting position of a standard mounting module and a middle mounting position of the instrument beam, and determining a first positional deviation of the middle mounting position; installing an air conditioner and a seal onto the instrument beam, the seal being located between the air conditioner and the air conditioner matching module; detecting the relative position of the standard mounting position and the middle mounting position, determining a second positional deviation of the middle mounting position, and comparing the second positional deviation with the first positional deviation to determine a first positional change of the middle mounting position.

[0019] Beneficial effects: By installing the end mounting position of the instrument crossbeam onto the end mounting module, the installation position of the instrument crossbeam on the body-in-white is simulated, and the standard mounting position simulates the point on the body-in-white used to mate with the middle mounting position. When the air conditioner, steering pipe, instrument panel, and other structures are not installed on the instrument crossbeam, the first positional deviation is obtained, which can determine the positional deviation caused by the instrument crossbeam itself. Then, the air conditioner and seals are installed on the instrument crossbeam. The seals are located between the air conditioner and the air conditioner matching module, with the seals having an interference fit between the air conditioner and the air conditioner matching module. The air conditioner matching module simulates the area where the body-in-white mates with the seals, and the second positional deviation is obtained. By comparing the second positional deviation with the first positional deviation, the first positional change of the middle mounting position can be obtained. Based on the first positional change, the positional deviation of the middle mounting position caused by the gravity of the air conditioner and the elasticity of the seals can be determined. This allows for rapid verification of the impact of the instrument panel crossbeam itself on the positional deviation of the central mounting position, as well as the impact of the air conditioning unit and seals as a whole on the positional deviation of the central mounting position. Based on this, the structure, installation position, and materials of the instrument panel crossbeam, seals, and air conditioning unit are adjusted to compensate for the aforementioned deformation and reduce the positional deviation of the central mounting position. In this embodiment of the invention, the deviation detection platform can simulate the environment of the body-in-white components, quickly identify the changes in positional deviation caused by each part, determine the pre-deformation amount that needs to be compensated, and quickly propose and verify modification schemes for the deviation detection platform and the instrument panel assembly. It does not rely on the body-in-white or coordinate measuring equipment, resulting in fast problem-solving, high optimization efficiency, and a significant reduction in the development cycle of the instrument panel assembly, thus reducing costs. In addition, the above adjustments can be quickly resolved at the supplier level, addressing issues such as assembly difficulties of peripheral parts of the instrument panel assembly and mismatched appearance due to gaps and surface differences during final assembly. For vehicle projects with the same architecture, the above deviation detection platform can be universally applied, further reducing the development cycle and costs.

[0020] In one optional embodiment, the instrument panel assembly further includes a steering tube, and the deviation detection method includes: mounting the steering tube to the instrument crossbeam; detecting the relative position of the standard mounting position and the central mounting position, determining a third positional deviation of the central mounting position, comparing the third positional deviation with the second positional deviation, and determining a second positional change of the central mounting position.

[0021] Beneficial effects: Based on the second position change, the deviation of the instrument beam caused by the gravity of the steering tube can be obtained, the influence of the steering tube on the position deviation can be quickly verified, and the structure, installation position, material and other parameters of the instrument beam and steering tube can be adjusted to reduce the position deviation caused by the gravity of the steering tube. Modification schemes for the deviation detection platform and instrument panel assembly can be quickly proposed and verified without relying on the body-in-white and coordinate measuring equipment. Problem solving is fast, optimization efficiency is high, the development cycle of the instrument panel assembly is significantly shortened, and costs are reduced.

[0022] In one optional embodiment, the instrument panel assembly further includes an instrument panel, and the deviation detection method includes: mounting the instrument panel to the instrument beam; detecting the relative position of the standard mounting position and the central mounting position, determining a fourth positional deviation of the central mounting position, comparing the fourth positional deviation with the third positional deviation, and determining a third positional change of the central mounting position.

[0023] Beneficial effects: Based on the third positional change, the deviation of the instrument panel beam caused by the instrument panel's gravity can be obtained. The fourth positional deviation is the actual deviation that will occur when the instrument panel assembly is installed on the vehicle body. By adjusting the structure, installation position, materials, and other parameters of the instrument panel beam and instrument panel, the positional deviation caused by the instrument panel's gravity can be reduced. Modifications to the deviation detection platform and instrument panel assembly can be quickly proposed and verified without relying on the body-in-white or coordinate measuring equipment. This results in faster problem solving, higher optimization efficiency, significantly shortened instrument panel assembly development cycle, and reduced costs.

[0024] In one optional embodiment, the deviation detection platform further includes a crossbeam simulator and multiple dimension detection modules. The deviation detection method further includes: using the multiple dimension detection modules to detect the periphery position of the instrument panel and determine a first periphery dimension deviation of the instrument panel; separating the instrument crossbeam from the end mounting module; installing the crossbeam simulator on the end mounting module and installing the instrument panel on the crossbeam simulator; using the multiple dimension detection modules to detect the periphery position of the instrument panel and determine a second periphery dimension deviation of the instrument panel; comparing the second periphery dimension deviation with the first periphery dimension deviation to determine the change in the dimension deviation of the instrument panel.

[0025] Beneficial Effects: By obtaining the second peripheral dimensional deviation, the peripheral dimensional deviation caused by the instrument panel itself can be determined. This deviation can be improved by optimizing the instrument panel's structure. Combined with the first peripheral dimensional deviation, the change in instrument panel dimensional deviation can be calculated. This allows us to determine the dimensional deviation caused by structural factors such as the instrument beam deviation, the weight of the air conditioning unit, the elasticity of the seals, and the weight of the steering pipe, all of which contribute to the deformation of the instrument beam. Based on this change in dimensional deviation, optimizing the structure, installation position, and materials of the instrument panel, instrument beam, air conditioning unit, seals, and steering pipe can optimize the peripheral dimensional deviation caused by these structural factors, thereby reducing the overall peripheral dimensional deviation of the instrument panel assembly and improving installation accuracy. Attached Figure Description

[0026] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0027] Figure 1 This is an exploded view of the dashboard assembly according to an embodiment of the present invention.

[0028] Figure 2 This is a schematic diagram illustrating the assembly of the instrument beam, air conditioner, and steering pipe according to an embodiment of the present invention.

[0029] Figure 3 This is a schematic diagram of the instrument beam according to an embodiment of the present invention.

[0030] Figure 4 This is a schematic diagram illustrating the cooperation between the instrument beam and the deviation detection platform in an embodiment of the present invention.

[0031] Figure 5 This is a schematic diagram illustrating the cooperation between the instrument beam, air conditioner, and deviation detection platform in an embodiment of the present invention.

[0032] Figure 6 This is a schematic diagram of the deviation detection platform according to an embodiment of the present invention.

[0033] Figure 7 for Figure 6 A magnified view of a portion of region A in the middle.

[0034] Figure 8 for Figure 6 A magnified view of a portion of region B in the middle.

[0035] Figure 9 for Figure 6 A magnified view of a portion of region C.

[0036] Figure 10 This is a structural schematic diagram of a beam simulation component according to an embodiment of the present invention.

[0037] Figure 11 This is a flowchart of the deviation detection method according to an embodiment of the present invention.

[0038] Explanation of reference numerals in the attached figures: 1. Deviation detection platform; 2. Instrument panel assembly; 3. Instrument beam; 31. End mounting position; 32. Middle mounting position; 32a. First middle mounting position; 32b. Second middle mounting position; 4. Air conditioning; 5. Seals; 6. Instrument panel; 7. Steering tube; 100. Base; 200. End mounting module; 210. First mounting area; 220. Second mounting area; 300. Air conditioning matching module; 400, Standard mounting module; 410, First standard module; 411, First standard mounting position; 420, Second standard module; 421, Second standard mounting position; 440, Standard mounting position; 500. Crossbeam simulation component; 510. Main body; 520. Support leg; 530. Handle; 600. Dimension measurement module; 610. Dial indicator; 700, standard size module. Detailed Implementation

[0039] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0040] The terms "first," "second," etc., are used for descriptive purposes only and have no sequential or technical meaning, nor should they be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Directional terms used in this application, such as "upper," "lower," "front," "rear," "left," "right," "inner," and "outer," are merely for reference to the orientation shown in the accompanying drawings. The use of directional terms is for better and clearer explanation and understanding of this application, and does not indicate the orientation of the referred device or component in an actual application scenario.

[0041] In the description of the embodiments of this application, unless otherwise expressly specified and limited, the terms "installation" and "connection" should be interpreted broadly. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium.

[0042] The terms "parallel" and "perpendicular" are relative to the current technological level, not absolute mathematical definitions. Slight deviations are permissible; approximations of parallelism or perpendicularity are acceptable. For example, "A and B are parallel" means that A and B are parallel or approximately parallel, with the angle between them ranging from 0 to 5 degrees. Similarly, "A and B are perpendicular" means that A and B are perpendicular or approximately perpendicular, with the angle between them ranging from 85 to 95 degrees.

[0043] With the application of automotive lightweighting technology, the material used to manufacture instrument panel crossbeams has gradually changed from metal to a combination of plastic and steel pipes, known as plastic-coated steel instrument panel crossbeams. This is to reduce the weight of the instrument panel crossbeams, thereby reducing costs and energy consumption. However, the stiffness of plastic-coated steel instrument panel crossbeams is lower than that of metal instrument panel crossbeams. The instrument panel crossbeams are more prone to deformation and torsion under stress, which can cause changes in the position and shape of the instrument panel assembly, potentially leading to assembly problems and quality issues.

[0044] Due to the reduced rigidity of the instrument panel crossbeam, the instrument panel assembly is affected by multiple factors, including the weight of the instrument panel, the weight of the instrument panel crossbeam, the weight of the air conditioning system, the elasticity of the seals, and the weight of the steering pipe. This causes the instrument panel crossbeam to deform and twist, potentially leading to problems such as sinking, flipping, and deformation of the instrument panel assembly. This results in deviations in the position and dimensions of the instrument panel assembly. For example, the instrument panel crossbeam may deform under stress in the height direction (Z direction) and rotate around the left and right direction (Y direction). Consequently, this can cause assembly difficulties, gap and surface mismatch issues, and other appearance problems with the surrounding parts of the instrument panel assembly. These problems include misaligned holes in the instrument panel crossbeam, difficulty in assembling the sub-instrument panel, gaps between the sub-instrument panel and the carpet, difficulty in assembling the A-pillar interior panel, and gaps between the A-pillar interior panel and the windshield.

[0045] In the related technology, the measurement scheme for the instrument panel assembly involves measuring the dimensional deviations of the instrument panel and instrument beam using individual part inspection fixtures. The instrument beam is then assembled onto the vehicle body, which is placed on a body measurement bracket. Measurements are taken using a coordinate measuring machine to obtain sample 1. Next, the instrument beam, air conditioning unit, and seals are assembled onto the vehicle body. The seals are compressed between the air conditioning unit and the vehicle body, generating elastic force. This is measured using a coordinate measuring machine to obtain sample 2. Sample 2 is compared with sample 1 to determine the influence of the air conditioning unit's weight and the seals' elastic force. The instrument panel and steering pipe are then installed onto the instrument beam to obtain the instrument panel assembly. The positional and dimensional deviations of the instrument panel assembly are obtained as sample 3. By comparing and analyzing samples 3, 2, and 1, the influence of the air conditioning unit's weight and the seals' elastic force (a), the influence of the instrument beam itself (b), and the influence of the instrument panel's weight (c) are calculated. Based on influences a, b, and c, and combined with the individual measurement data of the instrument panel and instrument beam, the pre-deformation amount that each part needs to compensate for is determined, and a rectification plan is proposed to solve the aforementioned problems.

[0046] The above testing scheme involves processing a large amount of data, is cumbersome, and requires the use of a coordinate measuring machine (CMM) for the body-in-white. Each analysis cycle occupies at least one to two days of CMM equipment. Furthermore, the CMM requires a double-cantilever system for measuring the body-in-white, which is only available to OEMs and a few suppliers. This testing scheme incurs high measurement costs and manpower investment, necessitates comparative analysis with supplier inspection reports, and cannot quickly assess the deviations of the instrument panel and instrument beam components themselves, increasing assembly errors and measurement errors related to supplier inspection tools and the CMM equipment. The following is combined with Figures 1 to 10 The following describes embodiments of the present invention.

[0047] refer to Figure 1 and Figure 2 As shown, the instrument panel assembly 2 includes an instrument beam 3, an air conditioner 4, a seal 5, a steering pipe 7, and an instrument panel 6. The steering pipe 7, the air conditioner 4, and the instrument panel 6 are all detachably mounted on the instrument beam 3. The seal 5 is mounted on the air conditioner 4 and is used to seal the gap between the air conditioner 4 and the vehicle body. The instrument beam 3 has end mounting positions 31 and middle mounting positions 32. The end mounting positions 31 are located at both ends of the instrument beam 3, and the middle mounting position 32 is located between the two end mounting positions 31. The middle mounting position 32 is not necessarily located at the center of the instrument beam 3.

[0048] Assembly sequence of instrument panel assembly 2: First, install parts such as air conditioner 4 and steering pipe 7 on instrument beam 3; then install instrument panel 6 on instrument beam 3 to form instrument panel assembly 2; finally, install instrument panel assembly 2 on the vehicle body.

[0049] According to an embodiment of the present invention, in one aspect, a deviation detection platform 1 is provided, with reference to... Figure 6 As shown, the deviation detection platform 1 is used to detect the instrument panel assembly 2. The deviation detection platform 1 includes a base 100, an end mounting module 200, an air conditioning matching module 300, and a standard mounting module 400.

[0050] refer to Figure 4 and Figure 5 As shown, the end mounting module 200, the air conditioning matching module 300, and the standard mounting module 400 are all mounted on the base 100. The end mounting module 200 is used to connect with the end mounting position 31, and the air conditioning matching module 300 is used to abut against the side of the seal 5 facing away from the air conditioner 4. The standard mounting module 400 is provided with a standard mounting position 440, and the positional deviation of the middle mounting position 32 is determined according to the relative position of the standard mounting position 440 and the middle mounting position 32.

[0051] The end mounting module 200, the air conditioning matching module 300, and the standard mounting module 400 can all be detachably mounted on the base 100. Furthermore, the middle mounting position 32 can be one or more mounting points. When there are multiple middle mounting positions 32, there may be multiple positional deviations of the middle mounting positions 32. The position of the instrument beam 3 is determined by comprehensively considering these multiple positional deviations.

[0052] For example, both the central mounting position 32 and the standard mounting position 440 can be constructed as hole-shaped structures. By detecting the eccentricity of the central mounting position 32 and the standard mounting position 440, for example using a feeler gauge, the positional deviation of the central mounting position 32 can be determined. The above-described method for determining positional deviation is merely illustrative. In this application, the specific method for detecting the relative position of the standard mounting position 440 and the central mounting position 32 to determine positional deviation is not limited.

[0053] The end mounting position 31 of the instrument crossbeam 3 is installed on the end mounting module 200 to simulate the installation position of the instrument crossbeam 3 on the body-in-white, and the standard mounting position 440 simulates the point on the body-in-white for cooperation with the middle mounting position 32. When the air conditioner 4, steering pipe 7, instrument panel 6, and other structures are not installed on the instrument crossbeam 3, the positional deviation of the central mounting position 32 is obtained, and the positional deviation caused by the instrument crossbeam 3 itself can be obtained as the first positional deviation. Then, the air conditioner 4 and the seal 5 are installed on the instrument crossbeam 3. The seal 5 is located between the air conditioner 4 and the air conditioner matching module 300. The seal 5 is interference-fitted between the air conditioner 4 and the air conditioner matching module 300. The air conditioner matching module 300 simulates the area where the body-in-white and the seal 5 are matched. The positional deviation of the central mounting position 32 is obtained as the second positional deviation. By comparing the second positional deviation with the first positional deviation, the positional change of the central mounting position 32 can be obtained. Based on the positional change of the central mounting position 32, the positional deviation of the central mounting position 32 caused by the gravity of the air conditioner 4 and the elasticity of the seal 5 can be obtained.

[0054] This allows for rapid verification of the influence of the instrument beam 3 itself on the positional deviation of the central mounting position 32, as well as the influence of the air conditioner 4 and the seal 5 as a whole on the positional deviation of the central mounting position 32. Parameters such as the structure, installation position, and materials of the instrument beam 3, seal 5, and air conditioner 4 can be adjusted. For example, adjusting the density of the seal 5 can reduce the positional deviation caused by the seal 5. Additionally, adjusting the hole position of the central mounting position 32 and the standard mounting position 440 can compensate for the aforementioned deformation, thereby reducing the positional deviation of the central mounting position 32.

[0055] In this embodiment of the invention, the deviation detection platform 1 can simulate the environment of the body-in-white components, quickly identify the changes in positional deviation caused by each part, determine the amount of pre-deformation that needs to be compensated, and quickly propose and verify modification schemes for the deviation detection platform 1 and the instrument panel assembly 2 (e.g., the structure, installation position, and materials of the seal 5, instrument beam 3, and air conditioner 4). It does not rely on the body-in-white or coordinate measuring equipment, resulting in rapid problem-solving, high optimization efficiency, and significantly shortening the development cycle of the instrument panel assembly 2, thus reducing costs. Furthermore, the aforementioned adjustments can be quickly resolved at the supplier's location, addressing issues such as assembly difficulties of peripheral parts of the instrument panel assembly 2 during final assembly, and matching appearance with gap surface differences. For vehicle projects with the same architecture (e.g., projects where the installation hard points of the instrument beam 3 on the vehicle body are the same), the deviation detection platform 1 can be universally applied, further reducing development cycle and costs.

[0056] In some embodiments, reference Figure 3 , Figure 6 and Figure 7As shown, the central mounting position 32 includes a first central mounting position 32a. The base 100 is perpendicular to the Z direction. The standard mounting module 400 includes a first standard module 410. The first standard module 410 is mounted on the base 100. The first standard module 410 is provided with a first standard mounting position 411. The first standard mounting position 411 and the first central mounting position 32a are correspondingly arranged. The central axis of the first standard mounting position 411 extends at least along the X direction, and the X direction and the Z direction intersect.

[0057] It should be noted that the central axis of the first standard mounting position 411 can be set parallel to the X direction, or the central axis of the first standard mounting position 411 can be set inclined to the X direction.

[0058] The Z direction can be the vertical direction of the vehicle, and the X direction can be the longitudinal direction of the vehicle. There can be multiple first standard mounting positions 411 and first central mounting positions 32a. The first standard mounting positions 411 can be spaced apart along the Y direction, and the X, Y, and Z directions can be intersected in pairs.

[0059] By setting the first standard module 410, the deviation of the second middle part installed in the Y and Z directions can be detected, thereby determining the deviation of the instrument beam 3 in the Y and Z directions, which is beneficial for optimizing the seal 5 and the instrument beam 3.

[0060] Furthermore, the first standard module 410 is connected to the end mounting module 200, or the first standard module 410 is connected to the air conditioning matching module 300, or the first standard module 410 is connected to both the end mounting module 200 and the air conditioning matching module 300.

[0061] This improves the positioning reliability of the first standard module 410 and the base 100, and after the instrument beam 3 is installed to the end mounting module 200, the installation accuracy of the first standard module 410, the instrument beam 3, and the air conditioner 4 is higher.

[0062] In some embodiments, reference Figure 3 , Figure 6 and Figure 8 As shown, the central mounting position 32 includes a second central mounting position 32b. The base 100 is perpendicular to the Z direction. The standard mounting module 400 includes a second standard module 420. The second standard module 420 is mounted on the base 100. The second standard module 420 is provided with a second standard mounting position 421. The second standard mounting position 421 and the second central mounting position 32b are correspondingly arranged. The central axis of the second standard mounting position 421 extends at least along the Y direction, and the Y direction and the Z direction intersect.

[0063] It should be noted that the central axis of the second standard mounting position 421 can be set parallel to the Y direction, or the central axis of the second standard mounting position 421 can be set inclined to the Y direction.

[0064] The Z direction can be the vertical direction of the vehicle, and the X direction can be the longitudinal direction of the vehicle. There can be multiple second standard mounting positions 421 and second central mounting positions 32b. The second standard mounting positions 421 can be spaced apart along the Y direction, and the X, Y, and Z directions can be intersected in pairs.

[0065] By setting the second standard module 420, the deviation of the second middle part in the X and Z directions can be detected, thereby determining the deviation of the instrument beam 3 in the X and Z directions, which is beneficial for optimizing the seal 5 and the instrument beam 3.

[0066] In some embodiments, reference Figure 1 , Figure 6 and Figure 10 As shown, the instrument panel assembly 2 also includes an instrument panel 6, and the deviation detection platform 1 also includes a crossbeam simulator 500 and multiple dimension detection modules 600. The crossbeam simulator 500 is detachably mounted to the end mounting module 200 and is used to mount the instrument panel 6. The multiple dimension detection modules 600 are mounted on the end mounting module 200, or on the standard mounting module 400, or on both the end mounting module 200 and the standard mounting module 400. The multiple dimension detection modules 600 are spaced apart along the periphery of the instrument panel 6 and are used to detect the periphery dimension deviation of the instrument panel 6.

[0067] The dimension detection module 600 can be used to install dial indicators 610. For example, each dimension detection module 600 can be equipped with a dial indicator 610, or one dial indicator 610 can be sequentially used with multiple dimension detection modules 600. A standard dimension module 700 can be provided on the base 100. After inserting the dial indicator 610 into the standard dimension module 700, a standard dimension can be obtained. Then, by inserting the dial indicator 610 into each dimension detection module 600, the dimension deviation of the area of ​​the instrument panel 6 corresponding to each dimension detection module 600 can be obtained.

[0068] For ease of disassembly, the beam simulator 500 may be equipped with a handle 530 for easy gripping and handling by operators. Furthermore, the end mounting module 200 has a first mounting area 210 and a second mounting area 220. The first mounting area 210 is used to mate with the beam simulator 500, and the second mounting area 220 is used to mate with the instrument beam 3. To extend service life and reduce the probability of damage, the beam simulator 500 is typically made of metal. By mounting the beam simulator 500 and the instrument beam 3 in different areas of the end mounting module 200, excessive stress on the second mounting area 220 of the end mounting module 200 can be avoided, preventing deformation and ensuring the installation accuracy of the instrument beam 3.

[0069] By installing the crossbeam simulator 500 onto the end mounting module 200, and then installing the instrument panel 6 onto the crossbeam simulator 500, and then using multiple dimension detection modules 600 to check the circumferential dimension deviation of the instrument panel 6, the dimension deviation of the instrument panel 6 itself can be obtained. The dimension deviation of the instrument panel 6 itself can be improved by optimizing the structure of the instrument panel 6.

[0070] The instrument crossbeam 3 is installed on the end mounting module 200. Then, the air conditioner 4, seal 5, and steering pipe 7 are installed on the instrument crossbeam 3. Finally, the instrument panel 6 is installed on the instrument crossbeam 3. The circumferential dimensional deviation of the instrument panel 6 is checked using multiple dimensional detection modules 600. The total circumferential dimensional deviation of the instrument panel assembly 2 can be obtained. By comparing and analyzing the total circumferential dimensional deviation with the circumferential dimensional deviation of the instrument panel 6 itself, the circumferential dimensional deviation of the instrument panel 6 caused by the deviation of the instrument crossbeam 3 itself, the gravity of the air conditioner 4, the elasticity of the seal 5, and the gravity of the steering pipe 7 can be obtained. By optimizing the density of the seal 5, the mounting point of the instrument crossbeam 3, and the mounting point of the instrument panel 6 on the instrument crossbeam 3, the total circumferential dimensional deviation of the instrument panel assembly 2 can be reduced, and the installation accuracy can be improved.

[0071] Furthermore, by mounting the instrument panel 6 onto the instrument crossbeam 3, the positional deviation of the central mounting position 32 can be detected. This allows us to understand the impact of the instrument panel 6's gravity on the positional deviation of the instrument crossbeam 3. By adjusting the structural, mounting, and material parameters of the instrument crossbeam 3 and the instrument panel 6, we can reduce the positional deviation caused by the gravity of the instrument panel 6. This enables us to quickly propose and verify modification plans for the deviation detection platform 1 and the instrument panel assembly 2 without relying on the body-in-white or coordinate measuring equipment. This results in faster problem-solving, higher optimization efficiency, significantly shortened development cycle of the instrument panel assembly 2, and reduced costs.

[0072] The deviation detection platform 1 can quickly identify the changes in the circumferential dimensional deviations of the instrument panel 6 caused by various parts by simulating the environment of the body-in-white components. It determines the amount of pre-deformation that needs to be compensated and quickly proposes and verifies modification schemes for the deviation detection platform 1 and the instrument panel assembly 2 (e.g., the structure, installation position, and materials of the seals 5, instrument beam 3, and air conditioning 4). It does not rely on the body-in-white or coordinate measuring equipment, resulting in rapid problem-solving, high optimization efficiency, and a significant reduction in the development cycle of the instrument panel assembly 2. Furthermore, the aforementioned adjustments can be quickly resolved at the supplier's location, addressing issues such as assembly difficulties of peripheral parts of the instrument panel assembly 2 during final assembly, and matching appearance with gaps and surface differences. For vehicle projects with the same architecture (e.g., projects where the installation hard points of the instrument beam 3 on the vehicle body are the same), the deviation detection platform 1 can be universally applied, further reducing development cycle and cost.

[0073] In some embodiments, reference Figure 10 As shown, the crossbeam simulator 500 includes a main body 510 and a support leg 520. The main body 510 is detachably mounted to the end mounting module 200 and is used for mounting on the instrument panel 6. The support leg 520 is connected to the main body 510 and is detachably connected to the base 100.

[0074] The crossbeam simulator 500 is typically made of metal to reduce the probability of damage and extend its service life. The outrigger 520 is connected to the central region along the length of the main body 510 to improve the load uniformity of the crossbeam simulator 500. For example, the outrigger 520 and the base 100 can be secured together using pins and bolts.

[0075] By setting the support legs 520, the base 100 can support the main body 510, reducing the weight borne by the end mounting module 200 and thus extending the service life of the end mounting module 200.

[0076] According to an embodiment of the present invention, in another aspect, a deviation detection method is also provided, which is used in the aforementioned deviation detection platform 1. (See reference...) Figure 11 As shown, the deviation detection methods include: Install the end mounting position 31 of the instrument beam 3 onto the end mounting module 200; The relative positions of the standard mounting position 440 of the test standard mounting module 400 and the middle mounting position 32 of the instrument beam 3 are used to determine the first positional deviation of the middle mounting position 32. The air conditioner 4 and the seal 5 are installed on the instrument beam 3, with the seal 5 located between the air conditioner 4 and the air conditioner matching module 300. The relative positions of the standard mounting position 440 and the middle mounting position 32 are detected to determine the second positional deviation of the middle mounting position 32. The second positional deviation is compared with the first positional deviation to determine the first positional change of the middle mounting position 32.

[0077] For example, both the central mounting position 32 and the standard mounting position 440 can be constructed as hole-shaped structures. By detecting the eccentricity of the central mounting position 32 and the standard mounting position 440, for example using a feeler gauge, the first and second positional deviations of the central mounting position 32 can be determined. The above-described method for determining positional deviations is merely illustrative. In this application, the specific method for detecting the relative position of the standard mounting position 440 and the central mounting position 32 to determine positional deviations is not limited.

[0078] The end mounting position 31 of the instrument crossbeam 3 is installed on the end mounting module 200 to simulate the installation position of the instrument crossbeam 3 on the body-in-white, and the standard mounting position 440 simulates the point on the body-in-white for mating with the middle mounting position 32. When the air conditioner 4, steering pipe 7, instrument panel 6 and other structures are not installed on the instrument crossbeam 3, the first positional deviation is obtained, which can determine the positional deviation caused by the instrument crossbeam 3 itself; then the air conditioner 4 and the seal 5 are installed on the instrument crossbeam 3, with the seal 5 located between the air conditioner 4 and the air conditioner matching module 300, and the seal 5 is interference-fitted between the air conditioner 4 and the air conditioner matching module 300. The air conditioner matching module 300 simulates the area where the body-in-white mates with the seal 5, and the second positional deviation is obtained. By comparing the second positional deviation with the first positional deviation, the first positional change of the middle mounting position 32 can be obtained. Based on the first positional change, the positional deviation of the middle mounting position 32 caused by the gravity of the air conditioner 4 and the elasticity of the seal 5 can be obtained.

[0079] This allows for rapid verification of the influence of the instrument beam 3 itself on the positional deviation of the central mounting position 32, as well as the influence of the air conditioner 4 and the seal 5 as a whole on the positional deviation of the central mounting position 32. Parameters such as the structure, installation position, and materials of the instrument beam 3, seal 5, and air conditioner 4 can be adjusted. For example, adjusting the density of the seal 5 can reduce the positional deviation caused by the seal 5. Additionally, adjusting the hole position of the central mounting position 32 and the standard mounting position 440 can compensate for the aforementioned deformation, thereby reducing the positional deviation of the central mounting position 32.

[0080] In this embodiment of the invention, the deviation detection platform 1 can simulate the environment of the body-in-white components, quickly identify the changes in positional deviation caused by each part, determine the amount of pre-deformation that needs to be compensated, and quickly propose and verify modification schemes for the deviation detection platform 1 and the instrument panel assembly 2 (e.g., the structure, installation position, and materials of the seal 5, instrument beam 3, and air conditioner 4). It does not rely on the body-in-white or coordinate measuring equipment, resulting in rapid problem-solving, high optimization efficiency, and significantly shortening the development cycle of the instrument panel assembly 2, thus reducing costs. Furthermore, the aforementioned adjustments can be quickly resolved at the supplier's location, addressing issues such as assembly difficulties of peripheral parts of the instrument panel assembly 2 during final assembly, and matching appearance with gap surface differences. For vehicle projects with the same architecture (e.g., projects where the installation hard points of the instrument beam 3 on the vehicle body are the same), the deviation detection platform 1 can be universally applied, further reducing development cycle and costs.

[0081] In some embodiments, reference Figure 11 As shown, the instrument panel assembly 2 also includes a steering tube 7, and the deviation detection method includes: Install the steering pipe 7 onto the instrument crossbeam 3; The relative positions of the standard mounting position 440 and the middle mounting position 32 are detected to determine the third positional deviation of the middle mounting position 32. The third positional deviation and the second positional deviation are compared to determine the second positional change of the middle mounting position 32.

[0082] Based on the second position change, the deviation of the instrument beam 3 caused by the gravity of the steering tube 7 can be obtained, and the influence of the steering tube 7 on the position deviation can be quickly verified. The structure, installation position, material and other parameters of the instrument beam 3 and the steering tube 7 can be adjusted to reduce the position deviation caused by the gravity of the steering tube 7. Modification schemes for the deviation detection platform 1 and the instrument panel assembly 2 can be quickly proposed and verified without relying on the body-in-white and coordinate measuring equipment. The problem-solving speed is fast, the optimization efficiency is high, the development cycle of the instrument panel assembly 2 is greatly shortened, and the cost is reduced.

[0083] In some embodiments, reference Figure 11 As shown, the instrument panel assembly 2 also includes an instrument panel 6, and the deviation detection method includes: Install the instrument panel 6 onto the instrument crossbeam 3; The relative positions of the standard mounting position 440 and the middle mounting position 32 are detected to determine the fourth positional deviation of the middle mounting position 32. The fourth positional deviation is compared with the third positional deviation to determine the third positional change of the middle mounting position 32.

[0084] Based on the third position change, the influence of the gravity of the instrument panel 6 on the position deviation of the instrument beam 3 can be obtained. The fourth position deviation is the actual deviation that the instrument panel assembly 2 will produce when it is installed on the vehicle body. By adjusting the structure, installation position, materials and other parameters of the instrument beam 3 and the instrument panel 6, the position deviation caused by the gravity of the instrument panel 6 can be reduced. The modification schemes for the deviation detection platform 1 and the instrument panel assembly 2 can be quickly proposed and verified without relying on the body-in-white and coordinate measuring equipment. The problem-solving speed is fast, the optimization efficiency is high, the development cycle of the instrument panel assembly 2 is significantly shortened, and the cost is reduced.

[0085] In some embodiments, reference Figure 11 As shown, the deviation detection platform 1 also includes a crossbeam simulation component 500 and multiple dimensional detection modules 600. The deviation detection method further includes: Multiple dimension detection modules 600 are used to detect the periphery position of the instrument panel 6 to determine the first periphery dimension deviation of the instrument panel 6; Separate the instrument crossbeam 3 from the end mounting module 200; The beam simulator 500 is installed on the end mounting module 200, and the instrument panel 6 is installed on the beam simulator 500; Multiple dimension detection modules 600 are used to detect the periphery position of the instrument panel 6, determine the second periphery dimension deviation of the instrument panel 6, compare the second periphery dimension deviation with the first periphery dimension deviation, and determine the change in dimension deviation of the instrument panel 6.

[0086] The deformation of the instrument panel beam 3 can be caused by various factors, including the deviation of the instrument panel beam 3 itself, the weight of the air conditioner 4, the elasticity of the seal 5, the weight of the steering pipe 7, and the weight of the instrument panel 6 itself. This can result in dimensional deviations around the instrument panel 6, affecting the fit between the instrument panel 6 and the vehicle body and windshield. The dimensional deviations around the instrument panel 6 can be detected using a dial indicator 610.

[0087] By obtaining the second circumferential dimensional deviation, the circumferential dimensional deviation caused by the instrument panel 6 itself can be obtained. The dimensional deviation of the instrument panel 6 itself can be improved by optimizing the structure of the instrument panel 6. Combined with the first circumferential dimensional deviation, the change in dimensional deviation of the instrument panel 6 can be calculated. This allows us to determine the dimensional deviation of the instrument panel 6 caused by the deformation of the instrument panel beam 3 due to structural factors such as the deviation of the instrument beam 3, the gravity of the air conditioner 4, the elasticity of the seal 5, and the gravity of the steering pipe 7 in the instrument panel assembly 2. Based on the change in dimensional deviation of the instrument panel 6, the structure, installation position, and material parameters of the instrument panel 6, instrument beam 3, air conditioner 4, seal 5, and steering pipe 7 can be optimized. For example, optimizing the density of the seal 5, the installation point of the instrument beam 3, and the positioning point of the instrument panel 6 on the instrument beam 3 can optimize the circumferential dimensional deviation of the instrument panel 6 caused by the above structures, thereby reducing the total circumferential dimensional deviation of the instrument panel assembly 2 and improving installation accuracy.

[0088] Although embodiments of the invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A deviation detection platform for detecting an instrument panel assembly (2), the instrument panel assembly (2) comprising an instrument beam (3), an air conditioner (4), and a seal (5), the air conditioner (4) being detachably mounted on the instrument beam (3), the seal (5) being mounted on the air conditioner (4), the instrument beam (3) having an end mounting position (31) and a middle mounting position (32), characterized in that, The deviation detection platform (1) includes: Base (100); An end mounting module (200) is mounted on the base (100) for connection with the end mounting position (31); An air conditioning matching module (300) is installed on the base (100) and is used to abut against the side of the seal (5) facing away from the air conditioner (4); A standard mounting module (400) is installed on the base (100). The standard mounting module (400) is provided with a standard mounting position (440). The positional deviation of the middle mounting position (32) is determined according to the relative position of the standard mounting position (440) and the middle mounting position (32).

2. The deviation detection platform according to claim 1, characterized in that, The central mounting position (32) includes a first central mounting position (32a), the base (100) is perpendicular to the Z direction, and the standard mounting module (400) includes: A first standard module (410) is installed on the base (100). The first standard module (410) is provided with a first standard mounting position (411). The first standard mounting position (411) and the first middle mounting position (32a) are correspondingly arranged. The central axis of the first standard mounting position (411) extends at least along the X direction. The X direction and the Z direction are intersected.

3. The deviation detection platform according to claim 2, characterized in that, The first standard module (410) is connected to the end mounting module (200) and / or the air conditioning matching module (300).

4. The deviation detection platform according to claim 1, characterized in that, The central mounting position (32) includes a second central mounting position (32b), the base (100) is perpendicular to the Z direction, and the standard mounting module (400) includes: The second standard module (420) is installed on the base (100). The second standard module (420) is provided with a second standard mounting position (421). The second standard mounting position (421) and the second middle mounting position (32b) are correspondingly arranged. The central axis of the second standard mounting position (421) extends at least along the Y direction. The Y direction and the Z direction are intersected.

5. The deviation detection platform according to any one of claims 1-4, wherein the instrument panel assembly (2) further comprises an instrument panel (6), characterized in that, The deviation detection platform (1) also includes: A beam simulator (500) is detachably mounted to the end mounting module (200) and is used to mount the instrument panel (6). Multiple dimension detection modules (600), mounted on the end mounting module (200) and / or the standard mounting module (400), are used to detect circumferential dimension deviations of the instrument panel (6).

6. The deviation detection platform according to claim 5, characterized in that, The beam simulation component (500) includes: The main body (510) is detachably mounted to the end mounting module (200) and is used to mount the instrument panel (6). The support leg (520) is connected to the main body (510) and is detachably connected to the base (100).

7. A deviation detection method, used in the deviation detection platform (1) according to any one of claims 1-6, characterized in that, include: Install the end mounting position (31) of the instrument beam (3) onto the end mounting module (200). The relative positions of the standard mounting position (440) of the test standard mounting module (400) and the middle mounting position (32) of the instrument beam (3) are determined to identify the first positional deviation of the middle mounting position (32). The air conditioner (4) and the seal (5) are installed on the instrument beam (3), and the seal (5) is located between the air conditioner (4) and the air conditioner matching module (300); The relative positions of the standard mounting position (440) and the middle mounting position (32) are detected, the second position deviation of the middle mounting position (32) is determined, and the second position deviation and the first position deviation are compared to determine the first position change of the middle mounting position (32).

8. The deviation detection method according to claim 7, characterized in that, The instrument panel assembly (2) also includes a steering tube (7), and the deviation detection method includes: The steering tube (7) is installed on the instrument crossbeam (3); The relative positions of the standard mounting position (440) and the middle mounting position (32) are detected, the third position deviation of the middle mounting position (32) is determined, and the third position deviation and the second position deviation are compared to determine the second position change of the middle mounting position (32).

9. The deviation detection method according to claim 8, characterized in that, The instrument panel assembly (2) also includes an instrument panel (6), and the deviation detection method includes: The instrument panel (6) is mounted on the instrument beam (3); The relative positions of the standard mounting position (440) and the middle mounting position (32) are detected, the fourth position deviation of the middle mounting position (32) is determined, and the fourth position deviation and the third position deviation are compared to determine the third position change of the middle mounting position (32).

10. The deviation detection method according to claim 9, characterized in that, The deviation detection platform (1) also includes a beam simulation component (500) and multiple dimension detection modules (600), and the deviation detection method further includes: The first circumferential dimensional deviation of the instrument panel (6) is determined by detecting the peripheral position of the instrument panel (6) using multiple size detection modules (600); Separate the instrument beam (3) from the end mounting module (200); The beam simulator (500) is mounted on the end mounting module (200), and the instrument panel (6) is mounted on the beam simulator (500). The instrument panel (6) is detected by multiple size detection modules (600) to determine the second peripheral size deviation of the instrument panel (6), and the second peripheral size deviation is compared with the first peripheral size deviation to determine the size deviation change of the instrument panel (6).

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