Seat slide rail noise testing device

Abstract

The utility model relates to a noise testing device for a seat slide rail. The noise testing device comprises a testing machine; a seat slide rail is arranged on the lower guide rail mounting tool; the driving motor is used for driving the upper rail of the seat sliding rail and the lower rail of the seat sliding rail to slide relatively; the motor moving guide rail is fixedly arranged on the testing machine table, a motor mounting seat is arranged on the motor moving guide rail, and the driving motor is fixedly arranged on the motor mounting seat; the noise testing microphone is used for collecting noise generated when the seat sliding rail slides; and the industrial computer is internally provided with a noise acquisition card which is used for receiving the noise acquired by the noise test microphone. The seat slide rail noise testing device is high in automation degree, adopts a computer control system, does not need manual action intervention, and automatically completes detection steps; the computer is additionally provided with a professional current and acoustic acquisition card for high-precision data acquisition; due to the modular design, one device can be compatible with various product tests.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile component testing, in particular to a seat slide rail noise testing device. Background Art

[0002] The seat rail is an important part of the car seat. Its sliding smoothness, locking reliability and stability are one of the main reference factors for judging the quality of the seat. With the popularity of new energy vehicles, electric seats are widely used in new energy vehicles as a basic configuration to improve comfort. Through simple seat buttons, the front and rear position of the car seat can be moved and controlled.

[0003] During the production process of electric seats, it is necessary to manually test the noise and motor current generated when the car seat slide rails and the motor are running. The main purpose of the noise test is to control the ambient sound inside the car, and the main purpose of the motor current test is to control the sliding quality of the product.

[0004] Currently, there is a huge demand for new energy vehicle production capacity and high cost control requirements. Although manual inspection has lower costs, the inspection standards are vague and there are large subjective deviations, which can easily lead to product quality problems. Utility Model Content

[0005] Therefore, the technical problem to be solved by the utility model is to overcome the problem that the seat slide rails in the prior art are manually tightened for detection, which not only has inconsistent detection standards, but also is prone to missed detection and wrong detection in manual detection.

[0006] In order to solve the above technical problems, the utility model provides a seat slide noise test device, including: a test machine; a lower rail installation tool, which is fixedly set on the test machine, and the lower rail of the seat slide is set on the lower rail installation tool; a drive motor, which is connected to the upper rail of the seat slide, and the drive motor is used to drive the upper rail of the seat slide and the lower rail of the seat slide to slide relative to each other; a motor moving rail, which is fixedly set on the test machine, and a motor mounting seat is provided on the motor moving rail, and the drive motor is fixedly set on the motor mounting seat; a noise test microphone, which is installed on the test machine, and the noise test microphone is used to collect the noise when the seat slide slides; an industrial computer, which is set on the test machine, and a noise acquisition card is installed in the industrial computer, and the noise acquisition card is used to receive the noise collected by the noise test microphone. In view of the existing manual detection, cost control, and quality requirements, this solution provides an automated detection equipment, based on the balance point of cost control and quality requirements, and the use of objective standard noise and motor current detection devices is an objective requirement for realizing the localization of new energy vehicle seats.

[0007] In one embodiment of the utility model, the lower guide rail installation tooling includes a tooling sliding guide rail, a tooling slider, a horizontal support plate and a slide rail mounting seat. The tooling sliding guide rail is fixedly set on the test machine, and the tooling sliding guide rail is set parallel to the motor moving guide rail. The tooling slider is slidably connected to the tooling sliding guide rail, the horizontal support plate is connected to the tooling slider, the slide rail mounting seat is set on the horizontal support plate, and the seat slide rail is set on the slide rail mounting seat.

[0008] In one embodiment of the present invention, a U-shaped groove is provided at the upper end of the slide rail mounting seat, and the seat slide rail is placed in the U-shaped groove.

[0009] In one embodiment of the utility model, the lower guide rail installation tooling also includes a locking plate, a plurality of positioning holes are provided on the locking plate, one end of the horizontal support plate extends above the positioning holes, and a tooling moving pin is provided on the horizontal support plate, and the tooling moving pin is inserted into the positioning hole for positioning the horizontal support plate.

[0010] In one embodiment of the utility model, a tooling latch is provided on the slide rail mounting seat, and the tooling latch is used to lock the lower rail of the seat slide rail to the slide rail mounting seat.

[0011] In one embodiment of the utility model, a second slide block is provided on the motor moving guide rail, and the motor mounting seat is connected to the second slide block.

[0012] In one embodiment of the utility model, the motor mounting seat is provided with a signal board, the test machine is provided with a displacement sensor, the transmitting end of the displacement sensor is arranged opposite to the signal board, and the displacement sensor is used to test the moving distance of the drive motor.

[0013] In one embodiment of the present invention, the test machine is provided with a barcode scanner, and the barcode scanner is used to enter the serial number of the seat rail.

[0014] In one embodiment of the utility model, noise testing microphones are provided at both ends of the tooling sliding guide rail in the length direction.

[0015] In one embodiment of the utility model, a seat slide rail driving rod is connected to the driving motor, and the seat slide rail driving rod is used to be inserted into the upper rail of the seat slide rail and connected to the sliding assembly of the upper rail of the seat slide rail.

[0016] The above technical solution of the utility model has the following beneficial effects compared with the prior art:

[0017] 1. High degree of automation, using computer control system, no need for manual intervention, automatically complete the detection steps.

[0018] 2. The computer is equipped with professional current and acoustic acquisition cards for high-precision data collection. The measurement accuracy can reach 0.01A and 1dB. The system will judge whether it is qualified, eliminating human subjective factors.

[0019] 3. Modular design allows one device to be compatible with multiple product tests.

[0020] 4. Use a data traceability system to make data available for each product. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to make the content of the utility model easier to understand, the utility model is further described in detail according to the specific embodiments of the utility model in combination with the accompanying drawings, wherein

[0022] Figure 1 This is a schematic diagram of the overall structure of a seat rail noise testing device in a preferred embodiment of the utility model;

[0023] Figure 2 This is a structural schematic diagram of a seat rail noise testing device in a preferred embodiment of the utility model;

[0024] Figure 3 It is a schematic diagram of the structure of an industrial computer in a preferred embodiment of the utility model.

[0025] Explanation of the markings in the specification: test machine 1, displacement sensor 11, barcode scanner 12, lower guide rail installation tooling 2, tooling sliding guide rail 21, tooling slider 22, horizontal support plate 23, tooling moving latch 231, slide rail mounting seat 24, U-shaped groove 241, tooling latch 242, locking plate 25, positioning hole 251, drive motor 3, seat slide rail drive rod 31, motor moving guide rail 4, slider two 41, motor mounting seat 5, signal board 51, noise test microphone 6, industrial computer 7, noise acquisition card 71, current acquisition card 72. DETAILED DESCRIPTION

[0026] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0027] Reference Figure 1 , 2As shown, the seat slide noise testing device of the utility model comprises several main parts: a testing machine 1, a lower guide rail installation tool 2, a driving motor 3, a motor moving guide rail 4, a noise testing microphone 6 and an industrial computer 7; the lower guide rail installation tool 2 is fixedly arranged on the testing machine 1, and the lower rail of the seat slide is arranged on the lower guide rail installation tool 2; the driving motor 3 is connected to the upper rail of the seat slide, and the driving motor 3 is used to drive the upper rail of the seat slide and the lower rail of the seat slide to slide relative to each other; the motor moving guide rail 4 is fixedly arranged on the testing machine 1, and a motor mounting seat 5 is provided on the motor moving guide rail 4, and the driving motor 3 is fixedly arranged on the motor mounting seat 5; the noise testing microphone 6 is installed on the testing machine 1, and the noise testing microphone 6 is used to collect the noise when the seat slide slides; the industrial computer 7 is arranged on the testing machine 1, and a noise acquisition card 71 is installed in the industrial computer 7, and the noise acquisition card 71 is used to receive the noise collected by the noise testing microphone 6.

[0028] In the above structure, the lower rail installation tool 2 includes a tool sliding rail 21, a tool slider 22, a horizontal support plate 23 and a rail mounting seat 24. The tool sliding rail 21 is fixedly arranged on the test machine 1. Both ends of the tool sliding rail 21 in the length direction are provided with noise test microphones 6. The tool sliding rail 21 is arranged in parallel with the motor moving rail 4. The tool slider 22 is slidably connected with the tool sliding rail 21. The horizontal support plate 23 is connected with the tool slider 22. The rail mounting seat 24 is arranged on the horizontal support plate 23, and the seat slide is arranged on the rail mounting seat 24. A U-shaped groove 241 is arranged at the upper end of the rail mounting seat 24, and the seat slide is placed in the U-shaped groove 241. A tool latch 242 is arranged on the rail mounting seat 24, and the tool latch 242 is used to lock the lower rail of the seat slide to the rail mounting seat 24.

[0029] In the above structure, the lower guide rail installation tooling 2 also includes a locking plate 25, a plurality of positioning holes 251 are provided on the locking plate 25, one end of the horizontal support plate 23 extends above the positioning hole 251, and a tooling moving pin 231 is provided on the horizontal support plate 23, and the tooling moving pin 231 is inserted into the positioning hole 251 for positioning the horizontal support plate 23.

[0030] In the above structure, a second slider 41 is provided on the motor moving guide rail 4 , and the motor mounting seat 5 is connected to the second slider 41 .

[0031] In the above structure, the motor mounting seat 5 is provided with a signal board 51 , and the test machine 1 is provided with a displacement sensor 11 . The transmitting end of the displacement sensor 11 is arranged opposite to the signal board 51 , and the displacement sensor 11 is used to test the moving distance of the driving motor 3 .

[0032] In addition, the test machine 1 is provided with a barcode scanner 12, and the barcode scanner 12 is used to input the serial number of the seat rail.

[0033] Reference Figure 3 As shown, the industrial computer 7 is also provided with a current acquisition card 72 .

[0034] The driving motor 3 is connected to a seat slide rail driving rod 31 , and the seat slide rail driving rod 31 is used to be inserted into the upper rail of the seat slide rail and connected to a sliding assembly of the upper rail of the seat slide rail.

[0035] The working principle of the seat slide rail noise testing device of the utility model is:

[0036] Step 1: Manually confirm the test product series model, and replace the corresponding lower guide rail installation tool 2 through the tooling latch 242.

[0037] Step 2: According to the product model, the position of the tooling is adjusted by moving the tooling slider 22 along the tooling sliding guide rail 21.

[0038] Step 3: Use a barcode scanner 12 to enter the product serial number before manual loading.

[0039] Step 4: Place the product securely on the tooling and start the equipment.

[0040] Step 5: After the equipment is started, the driving motor 3 drives the upper rail of the seat slide rail to move through the seat slide rail driving rod 31.

[0041] Step 6: Through the current sensing coil in the motor control system, the running current of the drive motor 3 is collected to the current acquisition card 72 and converted into a numerical value and automatically input into the computer system. At the same time, the real-time position information given by the displacement sensor 11 is summarized in the industrial computer 7 to determine whether the current of the slide rail jumps within the qualified range during the full stroke. At the same time, the human-computer interaction interface display shows the real-time test parameters and chart curves.

[0042] Step 7: The noise generated when the slide rail slides is collected by the noise test microphone 6 and converted into a numerical value by the noise collection card 71 and automatically input into the computer system. At the same time, the real-time position information given by the displacement sensor 11 is summarized in the industrial computer 7 to determine whether the decibel value of the noise generated by the slide rail in the whole stroke jumps within the qualified range. At the same time, the human-computer interaction interface display shows the real-time test parameters and chart curves.

[0043] Step 8: After the test is completed, the industrial computer 7 will record the test results and the product serial number into the computer storage system, and the human-computer interaction interface display will give the final test results.

[0044] Step 9: Testing completed, manual unloading.

[0045] Compared with the prior art, the seat rail noise testing device has the following advantages:

[0046] The equipment uses a drive motor to drive the slide rail, which is compared with manual drive to simulate the actual use of the vehicle. The test results are closer to reality.

[0047] The equipment uses displacement sensors to provide position information, performs full-stroke testing on the slide rail, and uses software to graph the data to visually display the current and noise information at each position of the slide rail.

[0048] The computer is equipped with professional current and acoustic acquisition cards to ensure the accuracy of collected data.

[0049] The test results are independently linked and recorded with the product, and can be traced back for subsequent query.

[0050] The detection device is on the equipment table, and the electronic control system is installed under the table. The overall structure is compact and saves floor space. The equipment can be deployed in an array in a single silent room to improve product detection efficiency.

[0051] The equipment uses quick-change tooling, and one device is compatible with the testing of multiple products, providing flexible testing and effectively reducing equipment costs.

[0052] Obviously, the above embodiments are merely examples for the purpose of clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the invention of the utility model.

Claims

1. A seat rail noise testing device, characterized in that: include, Testing machine; A lower rail installation tool is fixedly arranged on the test machine, and the lower rail of the seat slide is arranged on the lower rail installation tool; A driving motor connected to the upper rail of the seat slide rail, and the driving motor is used to drive the upper rail of the seat slide rail and the lower rail of the seat slide rail to slide relative to each other; A motor moving guide rail is fixedly arranged on the test machine platform, and a motor mounting seat is arranged on the motor moving guide rail, and the driving motor is fixedly arranged on the motor mounting seat; A noise test microphone is installed on the test machine and is used to collect noise when the seat slide rail slides; An industrial computer is arranged on a test machine platform. A noise acquisition card is installed in the industrial computer. The noise acquisition card is used to receive the noise collected by a noise test microphone.

2. The seat rail noise testing device according to claim 1, characterized in that: The lower guide rail installation tooling includes a tooling sliding guide rail, a tooling slider, a horizontal support plate and a slide rail mounting seat. The tooling sliding guide rail is fixedly set on the test machine, and the tooling sliding guide rail is set parallel to the motor moving guide rail. The tooling slider is slidingly connected to the tooling sliding guide rail, the horizontal support plate is connected to the tooling slider, the slide rail mounting seat is set on the horizontal support plate, and the seat slide rail is set on the slide rail mounting seat.

3. The seat rail noise testing device according to claim 2, characterized in that: The upper end of the slide rail mounting seat is provided with a U-shaped groove, and the seat slide rail is placed in the U-shaped groove.

4. The seat rail noise testing device according to claim 2 or 3, characterized in that: The lower guide rail installation tooling also includes a locking plate, which is provided with a plurality of positioning holes. One end of the horizontal support plate extends above the positioning holes. The horizontal support plate is provided with a tooling moving pin, which is inserted into the positioning hole for positioning the horizontal support plate.

5. The seat rail noise testing device according to claim 4, characterized in that: The slide rail mounting seat is provided with a tooling latch, and the tooling latch is used to lock the lower rail of the seat slide rail to the slide rail mounting seat.

6. The seat rail noise testing device according to claim 1, characterized in that: A second slide block is provided on the motor moving guide rail, and the motor mounting seat is connected to the second slide block.

7. The seat rail noise testing device according to claim 1, characterized in that: The motor mounting seat is provided with a signal plate, the test machine is provided with a displacement sensor, the transmitting end of the displacement sensor is arranged opposite to the signal plate, and the displacement sensor is used to test the moving distance of the driving motor.

8. The seat rail noise testing device according to claim 1, characterized in that: The test machine is provided with a barcode scanner, which is used to enter the serial number of the seat rail.

9. The seat rail noise testing device according to claim 2, characterized in that: Noise testing microphones are provided at both ends of the tooling sliding guide rail in the length direction.

10. The seat rail noise testing device according to claim 1, characterized in that: The driving motor is connected with a seat slide rail driving rod, and the seat slide rail driving rod is used to be inserted into the upper rail of the seat slide rail and connected with a sliding component of the upper rail of the seat slide rail.

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