Method, system and equipment for evaluating abnormal sound of skylight assembly of vehicle
By conducting durability tests and static and dynamic tests on the vehicle sunroof assembly, and combining microphones and electromagnetic vibration test benches, the problem of inconsistent evaluation of abnormal noise in the existing technology of sunroof assembly has been solved, and more accurate and consistent evaluation results have been achieved.
Patent Information
- Application Number
- CN202511780411.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-28
- Publication Date
- 2026-02-03
AI Technical Summary
Existing technologies lack specific methods for identifying abnormal noises in vehicle sunroof assemblies, leading to inconsistent and inaccurate evaluation results and making it difficult to comprehensively cover failure modes and operating conditions during use.
The abnormal noise level of the sunroof assembly is rated by combining durability tests with static and dynamic tests. The tests include durability tests, static electric adjustment function noise tests, and dynamic vibration tests. Test results are obtained using a microphone and an electromagnetic vibration test bench to determine the abnormal noise level rating.
This improved the consistency and accuracy of the evaluation results for abnormal noises in the sunroof assembly, ensuring the reliability and comprehensiveness of the evaluation results.
Smart Images
Figure CN121453310A_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of vehicle technology, and in particular to a method, system and device for evaluating abnormal noises in a vehicle sunroof assembly. Background Technology
[0002] Existing vehicle noise identification technologies mostly focus on whole-vehicle noise identification, lacking specific methodologies and adaptable test benches for sunroof assemblies. Existing methods cannot fully cover the sunroof noise failure modes and operating conditions that may occur during user use. In addition, since a complete and systematic system combining subjective evaluation and objective testing for sunroof assemblies has not yet been formed, the consistency and accuracy of evaluation results cannot be guaranteed. Summary of the Invention
[0003] Therefore, it is necessary to address the aforementioned technical issues by conducting durability tests on the sunroof assembly, and then combining static and dynamic tests to rate the level of abnormal noise in the sunroof assembly, thereby improving the consistency and accuracy of the evaluation results.
[0004] After the evaluation preparation is complete, a durability test is conducted on the sunroof assembly to obtain a sunroof assembly sample after the durability test. The sunroof assembly sample was placed on a platform at the evaluation site, and the microphone was placed in a predetermined position. The noise of the electric adjustment function of the sunroof assembly sample was then tested to obtain the first test result. The sunroof assembly sample was placed on the electromagnetic vibration test bench at the evaluation site and constrained. The evaluation conditions are determined, and the sunroof assembly is excited by the electromagnetic vibration test bench under each evaluation condition to obtain the second test results caused by the sunroof assembly under each evaluation condition. Based on the first test results and the second test results, the abnormal noise level rating of the sunroof assembly is determined.
[0005] Furthermore, before conducting a durability test on the sunroof assembly to obtain a sunroof assembly sample after the durability test, evaluation preparation is performed, which includes: Determine the evaluation site; The instruments and equipment required for evaluating abnormal noises in the sunroof assembly are determined, including a vibration acceleration sensor, a microphone, an electromagnetic vibration test bench, an environmental chamber, and the sunroof assembly being evaluated.
[0006] Furthermore, the durability test performed on the sunroof assembly to obtain a sunroof assembly sample after the durability test includes: The sunroof assembly sample was installed in the design state on the electromagnetic vibration test bench in the environmental chamber using tooling. By enhancing the excitation of the bad road load spectrum and combining it with the temperature and humidity control of the environmental chamber, a durability test was conducted on the sunroof assembly to obtain a sunroof assembly sample after the durability test.
[0007] Furthermore, after placing the sunroof assembly sample on a test bench at the evaluation site and arranging the microphone in a predetermined position, the noise of the electric adjustment function of the sunroof assembly sample is tested to obtain a first test result, including: The sunroof assembly sample is placed on a platform at the evaluation site, wherein the background noise of the evaluation site does not exceed a predetermined noise level. A microphone is positioned at a predetermined distance directly below the geometric center of the sunroof to control the electric adjustment of the sunroof assembly for opening and closing, and a noise test is conducted to obtain the first test result.
[0008] Furthermore, the sunroof assembly prototype is placed on an electromagnetic vibration test bench at the evaluation site and constrained, including: The sunroof assembly sample was placed on an electromagnetic vibration test bench at the evaluation site, wherein the background noise of the evaluation site did not exceed a predetermined noise level. The connection point between the sunroof assembly sample and the vehicle body is constrained by a fixture according to the connection method on the whole vehicle, and a vibration acceleration sensor is set on the electromagnetic vibration test bench.
[0009] Furthermore, the determination of evaluation conditions involves exciting the sunroof assembly using the electromagnetic vibration test bench under each evaluation condition to obtain the second test results caused by the sunroof assembly under each evaluation condition, including: Determine the evaluation conditions, wherein the evaluation conditions include the evaluation object, the evaluation location, and the equipment parameters; The sunroof assembly is excited by the electromagnetic vibration test bench under each evaluation condition to obtain the second test results caused by the sunroof assembly under each evaluation condition.
[0010] Further, determining the abnormal noise level rating of the sunroof assembly based on the first test results and the second test results includes: Using the first test result as a column and the second test result as a row, the abnormal noise level rating of the corresponding sunroof assembly is determined based on the intersection of the row and column.
[0011] Furthermore, the abnormal noise level rating of the sunroof assembly includes a first rating, a second rating, a third rating, a fourth rating, and a fifth rating.
[0012] Secondly, a vehicle sunroof assembly abnormal noise evaluation system is provided, including: The durability testing module is used to evaluate the sunroof assembly after it is ready to be tested, and to obtain a sunroof assembly sample after the durability test. The static evaluation module is used to place the sunroof assembly sample on a platform in the evaluation site, and after arranging the microphone in a predetermined position, to test the noise of the electric adjustment function of the sunroof assembly sample and obtain the first test result. The dynamic evaluation module is used to place the sunroof assembly sample on the electromagnetic vibration test bench of the evaluation site and constrain it, and to determine the evaluation conditions. Under each evaluation condition, the sunroof assembly is excited by the electromagnetic vibration test bench to obtain the second test results caused by the sunroof assembly under each evaluation condition. The rating module is used to determine the abnormal noise level rating of the sunroof assembly based on the first test result and the second test result.
[0013] Thirdly, a computer device is provided, including a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the program, it implements the steps of the method for evaluating abnormal noise of a sunroof assembly of a vehicle according to the first aspect and any possible implementation of the first aspect.
[0014] According to the embodiments of this application, after the evaluation preparation is complete, a durability test is conducted on the sunroof assembly to obtain a sunroof assembly sample after the durability test. Then, the sunroof assembly sample is placed on a test bench at the evaluation site, and a microphone is positioned in a predetermined location to test the noise of the electric adjustment function of the sunroof assembly sample, obtaining a first test result. Next, the sunroof assembly sample is placed on an electromagnetic vibration test bench at the evaluation site and constrained. Then, the evaluation conditions are determined, and the sunroof assembly is excited under each evaluation condition using the electromagnetic vibration test bench, obtaining a second test result for the noise generated by the sunroof assembly under each evaluation condition. Finally, based on the first and second test results, the abnormal noise level rating of the sunroof assembly is determined. Therefore, by combining static and dynamic tests after conducting a durability test on the sunroof assembly, the abnormal noise level rating of the sunroof assembly is determined, thereby improving the consistency and accuracy of the evaluation results. Attached Figure Description
[0015] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings: Figure 1 A flowchart of a method for evaluating abnormal noises from a sunroof assembly in a vehicle, provided in an embodiment of this application; Figure 2 A schematic diagram of a sunroof assembly sample for a vehicle provided in an embodiment of this application; Figure 3 Another schematic diagram of a sunroof assembly sample for a vehicle provided in an embodiment of this application; Figure 4 This is a schematic diagram of the microphone arrangement provided in the embodiments of this application; Figure 5 This is a schematic diagram of the arrangement of vibration acceleration sensors provided in the embodiments of this application; Figure 6 A schematic diagram illustrating the execution of the vehicle sunroof assembly abnormal noise evaluation method provided in this application embodiment; Figure 7 A structural block diagram of a vehicle sunroof assembly noise evaluation system provided in this application embodiment; Figure 8 This is a structural block diagram of a computer device provided in an embodiment of this application. Detailed Implementation
[0016] The present application will now be described in further detail with reference to the embodiments and accompanying drawings. It should be understood that the specific embodiments described herein are for illustrative purposes only and are not intended to limit the application. Furthermore, it should be noted that, for ease of description, only the parts relevant to the application are shown in the accompanying drawings.
[0017] It should be noted that, unless otherwise specified, the embodiments and features of the embodiments in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.
[0018] The following describes in detail, with reference to the accompanying drawings, a method, system, and device for evaluating abnormal noises in a vehicle sunroof assembly according to embodiments of this application.
[0019] Figure 1 This is a flowchart of a method for evaluating abnormal noise from a vehicle sunroof assembly according to an embodiment of this application. Figure 1 As shown, and in combination Figure 6 The method for evaluating abnormal noise from a vehicle sunroof assembly according to an embodiment of this application includes the following steps: S101: After the evaluation is ready, a durability test is conducted on the sunroof assembly to obtain a sunroof assembly sample after the durability test.
[0020] In one embodiment of this application, before conducting a durability test on the sunroof assembly to obtain a sunroof assembly sample after the durability test, evaluation preparation is performed. The evaluation preparation includes: determining the evaluation site; determining the instruments and equipment required for evaluating abnormal noise of the sunroof assembly, wherein the instruments and equipment include a vibration acceleration sensor, a microphone, an electromagnetic vibration test bench, an environmental chamber, and the sunroof assembly to be evaluated.
[0021] The evaluation site should be a room with an acoustic environment, with background noise not exceeding 25dB; the vibration acceleration sensor should have a minimum frequency of not more than 2Hz, a maximum frequency of not less than 2048Hz, and a measurement range of not less than 50g; the microphone measurement system should cover a frequency range of at least 20Hz to 20kHz, and each microphone must be calibrated before each measurement, with a deviation between two calibrations not exceeding 0.5dB; the electromagnetic vibration test bench should meet the following requirements: the test bench can simultaneously provide vibration in three directions: vertical, longitudinal, and transverse; the operating frequency range is 5 Hz to 100 Hz, and the frequency resolution is ≤1 Hz; the maximum output power of the test bench should meet the requirement of a root mean square value of vibration acceleration ≥0.75 g; and the actuator displacement should be ≥25 mm (peak-to-peak value); the environmental chamber should meet the following requirements: temperature control range of -40℃ to 90℃, and humidity control range of 10% to 95%RH; the evaluated skylight assembly sample should meet the requirements of the drawings, and all functions should be normal.
[0022] In one embodiment of this application, the step of conducting a durability test on the sunroof assembly to obtain a sunroof assembly sample after the durability test includes: Figure 2 and Figure 3 As shown, the sunroof assembly sample is installed on the electromagnetic vibration test bench in the environmental chamber according to the design state using tooling; the sunroof assembly is subjected to a durability test by strengthening the bad circuit load spectrum excitation and in combination with the temperature and humidity adjustment of the environmental chamber, and the sunroof assembly sample after the durability test is obtained.
[0023] The specific durability test requirements are as follows: the total test duration is 100 hours, including 25 hours of testing under an environmental condition of 23℃; 25 hours of testing under an environmental condition of 30℃; 25 hours of testing under an environmental condition of 90℃; and 25 hours of testing under an environmental condition of 50℃ and 90% relative humidity.
[0024] S102: Place the sunroof assembly sample on the evaluation site, and after arranging the microphone in the predetermined position, test the noise of the electric adjustment function of the sunroof assembly sample to obtain the first test result.
[0025] In one embodiment of this application, after placing the sunroof assembly sample on a test bench at the evaluation site and arranging the microphone in a predetermined position, the noise of the electric adjustment function of the sunroof assembly sample is tested to obtain a first test result, including: Figure 4 As shown, the sunroof assembly sample is placed on a stand at the evaluation site, wherein the background noise of the evaluation site does not exceed a predetermined noise level; a microphone is placed at a predetermined distance directly below the geometric center of the sunroof to control the electric adjustment of the sunroof assembly to open and close, and a noise test is performed to obtain the first test result.
[0026] In a specific example, the predetermined noise level was set to 25 dB, and the predetermined distance was set to 300 mm. The first test results are shown in Table 1: Table 1. Correspondence between the results and scores of the first test
[0027] The test score is represented by X, which is the peak value of loudness N10, and the unit is sone. The corresponding first test result can be obtained by looking up the test score in Table 1.
[0028] S103: Place the sunroof assembly sample on the electromagnetic vibration test bench at the evaluation site and constrain it.
[0029] In one embodiment of this application, placing and constraining the sunroof assembly sample on an electromagnetic vibration test bench at an evaluation site includes: placing the sunroof assembly sample on the electromagnetic vibration test bench at the evaluation site, wherein the background noise of the evaluation site does not exceed a predetermined noise level; constraining the connection point between the sunroof assembly sample and the vehicle body using a clamp according to the connection method on the whole vehicle; and setting a vibration acceleration sensor on the electromagnetic vibration test bench.
[0030] In the specific example, the predetermined noise level is set to 25 dB; the arrangement of the vibration acceleration sensors is as follows: Figure 5 As shown in Table 2, the vibration acceleration sensor and its corresponding direction are as follows: Table 2. Vibration Accelerometer Direction Table
[0031] S104: Determine the evaluation conditions, and excite the sunroof assembly through the electromagnetic vibration test bench under each evaluation condition to obtain the second test results caused by the sunroof assembly under each evaluation condition.
[0032] In one embodiment of this application, determining the evaluation conditions, which involves exciting the sunroof assembly using the electromagnetic vibration test bench under each evaluation condition to obtain a second test result caused by the sunroof assembly under each evaluation condition, includes: determining the evaluation conditions, wherein the evaluation conditions include the evaluation object, the evaluation location, and equipment parameters; and exciting the sunroof assembly using the electromagnetic vibration test bench under each evaluation condition to obtain a second test result caused by the sunroof assembly under each evaluation condition.
[0033] In a specific example, the evaluation objects include three sunroof states: fully closed, fully open, and tilted up; the evaluation location is 0.2m away from the four corner edges of the sunroof assembly; the equipment parameters include: sinusoidal frequency sweep excitation using a linear stepping frequency sweep method, a sweep rate of 1 octave / minute (i.e., 5 Hz-10Hz, 10 Hz-20Hz, and 20 Hz-40 Hz each for 1 minute), a frequency range of 5 Hz to 50 Hz (bidirectional frequency sweep, i.e., 5→50→5), an amplitude of 0.5g, and an excitation direction of vertical.
[0034] The subjective evaluation of the loudest position in the evaluation results was recorded during the test. The corresponding second test results are shown in Table 3: Table 3 Correspondence between the results of the second test and subjective evaluation feelings
[0035] S105: Based on the first test result and the second test result, determine the abnormal noise level rating of the sunroof assembly.
[0036] In one embodiment of this application, determining the abnormal noise level rating of the sunroof assembly based on the first test result and the second test result includes: taking the first test result as a column and the second test result as a row, and determining the corresponding abnormal noise level rating of the sunroof assembly based on the intersection of the row and the column.
[0037] The specific rating process is shown in Table 4: Table 4 Rating Process Table
[0038] In one embodiment of this application, the abnormal noise level rating of the sunroof assembly includes a first rating, a second rating, a third rating, a fourth rating, and a fifth rating, corresponding to grades S, A, B, C, and D in Table 4, respectively.
[0039] Among them, S-level indicates that the driver and passengers cannot hear any obvious abnormal noises, and the customer's perceived noise level is very good; A-level indicates that the driver and passengers can hear very slight abnormal noises, and the customer's perceived noise level is acceptable, but the details are not perfect; B-level indicates that the driver and passengers can hear relatively obvious abnormal noises, and the customer's perceived noise level is average, but picky customers will complain; C-level indicates that the driver and passengers can hear very obvious abnormal noises, and the customer's perceived noise level is unacceptable, and most ordinary customers will complain; D-level indicates that the noise is so serious that it affects the driver's driving and driving safety, the customer's perceived noise level is extremely uncomfortable, and it is very likely to cause the customer to return the vehicle.
[0040] According to the vehicle sunroof assembly abnormal noise evaluation method of the embodiments of this application, after the evaluation preparation is completed, a durability test is conducted on the sunroof assembly to obtain a sunroof assembly sample after the durability test; then, the sunroof assembly sample is placed on a test bench at the evaluation site, and a microphone is arranged in a predetermined position to test the noise of the electric adjustment function of the sunroof assembly sample, obtaining a first test result; then, the sunroof assembly sample is placed on an electromagnetic vibration test bench at the evaluation site and constrained; then, the evaluation conditions are determined, and the sunroof assembly is excited by the electromagnetic vibration test bench under each evaluation condition to obtain a second test result caused by the sunroof assembly under each evaluation condition; finally, based on the first test result and the second test result, the abnormal noise level rating of the sunroof assembly is determined. Therefore, by combining static and dynamic tests after conducting a durability test on the sunroof assembly, the abnormal noise level rating of the sunroof assembly is determined, thereby improving the consistency and accuracy of the evaluation results.
[0041] Figure 7 This is a structural block diagram of a vehicle sunroof assembly noise evaluation system according to one embodiment of this application. Figure 7 As shown, the vehicle sunroof assembly abnormal noise evaluation system according to an embodiment of this application includes: a durability testing module 710, a static evaluation module 720, a dynamic evaluation module 730, and a rating module 740, wherein: The durability testing module 710 is used to evaluate the sunroof assembly after it is ready to be used, and to obtain a sunroof assembly sample after the durability test. The static evaluation module 720 is used to place the sunroof assembly sample on a platform in the evaluation site, and after arranging the microphone in a predetermined position, test the noise of the electric adjustment function of the sunroof assembly sample to obtain the first test result. The dynamic evaluation module 730 is used to place the sunroof assembly sample on the electromagnetic vibration test bench of the evaluation site and constrain it, and to determine the evaluation conditions. Under each evaluation condition, the sunroof assembly is excited by the electromagnetic vibration test bench to obtain the second test result caused by the sunroof assembly under each evaluation condition. The rating module 740 is used to determine the abnormal noise level rating of the sunroof assembly based on the first test result and the second test result.
[0042] According to the vehicle sunroof assembly noise evaluation system of this application embodiment, after evaluation preparation is completed, a durability test is conducted on the sunroof assembly to obtain a sunroof assembly sample after the durability test; then, the sunroof assembly sample is placed on a test bench at the evaluation site, and a microphone is arranged in a predetermined position to test the noise of the electric adjustment function of the sunroof assembly sample, obtaining a first test result; then, the sunroof assembly sample is placed on an electromagnetic vibration test bench at the evaluation site and constrained; then, the evaluation conditions are determined, and the sunroof assembly is excited by the electromagnetic vibration test bench under each evaluation condition to obtain a second test result caused by the sunroof assembly under each evaluation condition; finally, based on the first and second test results, the noise level rating of the sunroof assembly is determined. Therefore, by combining static and dynamic tests after conducting a durability test on the sunroof assembly, the noise level rating of the sunroof assembly is determined, thereby improving the consistency and accuracy of the evaluation results.
[0043] Specific limitations regarding the sunroof assembly noise evaluation system for vehicles can be found in the above-described limitations of the sunroof assembly noise evaluation method, and will not be repeated here. Each module of the aforementioned sunroof assembly noise evaluation system can be implemented entirely or partially through software, hardware, or a combination thereof. These modules can be embedded in or independent of the processor in a computer device in hardware form, or stored in the computer device's memory in software form, so that the processor can call and execute the corresponding operations of each module.
[0044] In one embodiment, a computer device is provided. Figure 8 This is a structural block diagram of the computer device provided in the embodiments of this application, with reference to... Figure 8 The computer device includes a memory and a processor. The memory stores a computer program, and the processor executes the computer program to implement the aforementioned embodiment of the method for evaluating abnormal noises from the sunroof assembly of a vehicle. For example, after the evaluation preparation is complete, a durability test is performed on the sunroof assembly to obtain a sample of the sunroof assembly after the durability test. The sunroof assembly sample was placed on a platform at the evaluation site, and the microphone was placed in a predetermined position. The noise of the electric adjustment function of the sunroof assembly sample was then tested to obtain the first test result. The sunroof assembly sample was placed on the electromagnetic vibration test bench at the evaluation site and constrained. The evaluation conditions are determined, and the sunroof assembly is excited by the electromagnetic vibration test bench under each evaluation condition to obtain the second test results caused by the sunroof assembly under each evaluation condition. Based on the first test results and the second test results, the abnormal noise level rating of the sunroof assembly is determined.
[0045] Those skilled in the art will understand that all or part of the processes in the methods of the above embodiments can be implemented by a computer program instructing related hardware. The computer program can be stored in a non-volatile computer-readable storage medium, and when executed, it can include the processes of the embodiments of the methods described above. Any references to memory, storage, databases, or other media used in the embodiments provided in this application can include at least one of non-volatile and volatile memory. Non-volatile memory can include read-only memory (ROM), magnetic tape, floppy disk, flash memory, or optical storage, etc. Volatile memory can include random access memory (RAM) or external cache memory. By way of illustration and not limitation, RAM can be in various forms, such as static random access memory (SRAM) or dynamic random access memory (DRAM), etc.
[0046] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0047] The above embodiments merely illustrate several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.
Claims
1. A sunroof assembly rattle evaluation method for a vehicle, characterized by, The method comprises the following steps: After the preparation for evaluation, a durability test is performed on the sunroof assembly to obtain a sunroof assembly sample after the durability test The sunroof assembly sample is placed on a test bench in an evaluation site, and a microphone is arranged at a predetermined position, and then a test is performed on the electric adjustment function noise of the sunroof assembly sample to obtain a first test result The sunroof assembly sample is placed on an electromagnetic excitation test bench in an evaluation site and is constrained Evaluation conditions are determined, and the electromagnetic excitation test bench is used to excite the sunroof assembly under each evaluation condition to obtain a second test result caused by the sunroof assembly under each evaluation condition According to the first test result and the second test result, the abnormal noise level rating of the sunroof assembly is determined.
2. The sunroof assembly rattle evaluation method of claim 1, wherein Before the durability test is performed on the sunroof assembly to obtain a sunroof assembly sample after the durability test, the preparation for evaluation is performed, and the preparation for evaluation comprises the following steps: An evaluation site is determined Instruments and equipment required for sunroof assembly abnormal noise evaluation are determined, wherein the instruments and equipment comprise a vibration acceleration sensor, a microphone, an electromagnetic excitation test bench, an environmental chamber, and a sunroof assembly to be evaluated.
3. The sunroof assembly rattle evaluation method of claim 2, wherein The durability test performed on the sunroof assembly to obtain a sunroof assembly sample after the durability test comprises the following steps: The sunroof assembly sample is installed on an electromagnetic excitation test bench in an environmental chamber through a tool according to a design state The sunroof assembly is subjected to a durability test through a reinforced bad road load spectrum excitation and in combination with a temperature and humidity adjustment of the environmental chamber to obtain a sunroof assembly sample after the durability test.
4. The sunroof assembly rattle evaluation method of claim 2, wherein The test performed on the electric adjustment function noise of the sunroof assembly sample to obtain a first test result after the sunroof assembly sample is placed on a test bench in an evaluation site and a microphone is arranged at a predetermined position comprises the following steps: The sunroof assembly sample is placed on a test bench in an evaluation site, wherein the background noise of the evaluation site does not exceed a predetermined noise The microphone is arranged at a predetermined distance directly below the geometric center of the sunroof, the electric adjustment of the sunroof assembly is controlled, and a noise test is performed to obtain a first test result.
5. The sunroof assembly rattle evaluation method of claim 2, wherein The sunroof assembly sample is placed on an electromagnetic excitation test bench in an evaluation site and is constrained, comprising the following steps: The sunroof assembly sample is placed on an electromagnetic excitation test bench in an evaluation site, wherein the background noise of the evaluation site does not exceed a predetermined noise The coupling points of the sunroof assembly sample and a vehicle body are constrained by a clamp in a connection mode on a whole vehicle, and a vibration acceleration sensor is arranged on the electromagnetic excitation test bench.
6. The sunroof assembly rattle evaluation method of claim 5, wherein The evaluation conditions are determined, and the electromagnetic excitation test bench is used to excite the sunroof assembly under each evaluation condition to obtain a second test result caused by the sunroof assembly under each evaluation condition, comprising the following steps: The evaluation conditions are determined, wherein the evaluation conditions comprise an evaluation object, an evaluation position, and equipment parameters The electromagnetic excitation test bench is used to excite the sunroof assembly under each evaluation condition to obtain a second test result caused by the sunroof assembly under each evaluation condition.
7. The sunroof assembly rattle evaluation method for a vehicle according to any one of claims 1 to 6, characterized by, The abnormal noise level rating of the sunroof assembly is determined according to the first test result and the second test result, comprising the following steps: The first test result is taken as a column, the second test result is taken as a row, and a corresponding sunroof assembly abnormal sound level rating is determined according to the intersection of the row and the column.
8. The sunroof assembly rattle evaluation method of claim 7, wherein The sunroof assembly abnormal sound level rating includes a first rating, a second rating, a third rating, a fourth rating and a fifth rating.
9. A sunroof assembly rattle evaluation system for a vehicle, the system comprising: The method comprises: a durability test module for evaluating the durability of the sunroof assembly after being ready for use to obtain a sunroof assembly sample after the durability test; a static evaluation module for placing the sunroof assembly sample on a bench in an evaluation site, arranging a microphone at a predetermined position, testing the electric adjustment function noise of the sunroof assembly sample to obtain a first test result; a dynamic evaluation module for placing the sunroof assembly sample on an electromagnetic excitation test bench in the evaluation site, restraining the sunroof assembly sample, determining evaluation conditions, exciting the sunroof assembly under each evaluation condition by the electromagnetic excitation test bench to obtain a second test result caused by the sunroof assembly under each evaluation condition; a rating module for determining the sunroof assembly abnormal sound level rating according to the first test result and the second test result.
10. A computer device comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, characterized in that, The processor executes the program to implement the sunroof assembly abnormal sound evaluation method of the vehicle according to any one of claims 1-8. The processor executes the program to implement the sunroof assembly abnormal sound evaluation method of the vehicle according to any one of claims 1-8.