CN-121995144-A - Vehicle-mounted touch screen testing device and testing method

CN121995144ACN 121995144 ACN121995144 ACN 121995144ACN-121995144-A

Abstract

The invention relates to the technical field of automatic testing, in particular to a vehicle-mounted touch screen testing device and a testing method. The testing device comprises a moving mechanism, a mechanical arm and a contact mechanism, wherein the moving mechanism comprises a moving seat and a rotating disc, the moving seat is arranged on a sliding rail of a secondary driving seat, the rotating disc is rotatably arranged on the moving seat, the mechanical arm is arranged on the rotating disc and comprises a plurality of rotatable telescopic arms and an included angle adjusting mechanism, the rotatable telescopic arms are sequentially connected through the included angle adjusting mechanism, the contact mechanism is arranged on the mechanical arm and comprises an angle detecting module and a contact module, the angle detecting module is used for detecting the angle of a screen, and the contact module is used for touching the screen. The testing device can complete testing in the vehicle in-situ and automatically adjust the touch angle, and improves the accuracy and reliability of the testing result of the vehicle-mounted touch screen.

Inventors

XU YULONG
CHEN QIMING

Assignees

奇瑞智能汽车科技(合肥)有限公司

Dates

Publication Date: 20260508
Application Date: 20260202

Claims (10)

1. The vehicle-mounted touch screen testing device is characterized by comprising a moving mechanism, a mechanical arm and a contact mechanism; The moving mechanism comprises a moving seat and a rotating disc, the moving seat is arranged on a sliding rail of the auxiliary driving seat, and the rotating disc is rotatably arranged on the moving seat; the mechanical arm is arranged on the rotary disk and comprises a plurality of rotatable telescopic arms and an included angle adjusting mechanism, and the rotatable telescopic arms are sequentially connected through the included angle adjusting mechanism; The contact mechanism is mounted on the mechanical arm and comprises an angle detection module and a contact module, wherein the angle detection module is used for detecting the angle of the screen, and the contact module is used for touching the screen.
2. The vehicle-mounted touch screen testing device according to claim 1, wherein the contact mechanism further comprises a support rod and a telescopic rod, the support rod is mounted on the mechanical arm, the angle detection module is mounted on the support rod, the telescopic rod is mounted at the front end of the angle detection module, and the contact module is mounted at the front end of the telescopic rod.
3. The vehicle-mounted touch screen testing apparatus of claim 2, wherein the angle detection module includes a fixed plate mounted on the support bar and an angle detection element mounted on the fixed plate and disposed toward one side of the contact module.
4. The vehicle-mounted touch screen testing device according to claim 3, wherein the telescopic rod is arranged on one side of the fixed plate, which is away from the supporting rod, and the axis of the telescopic rod is perpendicular to the front end face of the fixed plate.
5. The vehicle-mounted touch screen testing device according to claim 2, wherein the contact module comprises a sleeve, a touch handle and a touch pen, the sleeve is mounted at the front end of the telescopic rod, the touch pen is mounted at the front end of the touch handle, and the touch handle is inserted into a cavity of the sleeve.
6. The vehicle-mounted touch screen testing device according to claim 5, wherein a tightening screw is mounted on the cylinder wall of the sleeve, and the inner end of the tightening screw abuts against the touch handle.
7. The vehicle-mounted touch screen testing device according to claim 5, wherein the stylus is inserted into the touch handle, and a pressure sensor is installed between an inner end of the stylus and the touch handle.
8. The vehicle-mounted touch screen testing device according to claim 1, wherein the rotatable telescopic arm comprises an outer rod and an inner rod, one end of the inner rod is in clearance sleeve joint with the inner cavity of the outer rod, and the inner rod can axially extend and retract relative to the outer rod and can axially rotate relative to the outer rod.
9. The vehicle-mounted touch screen testing device according to claim 1, wherein the included angle adjusting mechanism further comprises an angle encoder for detecting a rotation angle of a rotation joint of two adjacent rotatable telescopic arms and a servo motor for driving the rotation joint to rotate.
10. A method of detecting an in-vehicle touch screen testing apparatus according to any one of claims 1 to 9, comprising: The movable seat is arranged on an electric slide rail of the auxiliary driving seat of the vehicle; An angle detection element at the tail end of the mechanical arm detects the angle of the vehicle-mounted touch screen; The rotary disc on the movable seat drives the mechanical arm to integrally and horizontally rotate, and the rotatable telescopic arm and the included angle adjusting mechanism adjust the position and the gesture of the tail end of the mechanical arm in a three-dimensional space; the telescopic rod stretches axially to drive a touch pen arranged at the front end of the telescopic rod to contact a designated test position on the vehicle-mounted touch screen; the pressure sensor detects the contact pressure between the touch pen and the vehicle-mounted touch screen; And adjusting the position of the mechanical arm or the expansion and contraction amount of the expansion and contraction rod according to the relation between the contact pressure and the preset pressure threshold value so as to control the contact pressure within the preset pressure threshold value range.

Description

Vehicle-mounted touch screen testing device and testing method Technical Field The invention relates to the technical field of automatic testing, in particular to a vehicle-mounted touch screen testing device and a testing method. Background In the field of automobile electronic testing, in order to ensure the reliability of a vehicle-mounted touch screen, automatic testing equipment is often adopted to simulate a human hand to perform touch operation. The related test equipment is matched with the control module through the mechanical executing mechanism, and the operations such as screen clicking, sliding and the like are completed by the simulated human hand, so that the screen performance is detected. The conventional vehicle-mounted touch screen test is mainly carried out by adopting universal automatic test equipment, wherein the equipment comprises a mechanical arm, a touch control execution part and a control module, the screen is tested on a laboratory bench, and the angle of the mechanical arm is a preset fixed parameter. The prior art has the obvious defects that firstly, the testing mode which is separated from the original car environment cannot restore the actual working state of the screen, and the testing result is distorted. Secondly, the angle of the mechanical arm cannot be adjusted according to the installation angles of screens of different vehicle types, the condition that the touch control execution part is not perpendicular to the screens easily occurs, and the accuracy of test data is affected. Disclosure of Invention Aiming at the defects existing in the prior art, the embodiment of the invention aims to provide a vehicle-mounted touch screen testing device and a testing method, which solve the technical problems that the conventional general type testing equipment cannot be adapted to a vehicle-mounted in-situ testing environment and is difficult to automatically adjust the angle of a touch control executing component according to the installation angle of a screen, can complete the test in situ of a vehicle, and can automatically adjust the touch control angle so as to improve the accuracy and reliability of the testing result of the vehicle-mounted touch control screen. In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: The vehicle-mounted touch screen testing device comprises a moving mechanism, a mechanical arm and a contact mechanism, wherein the moving mechanism comprises a moving seat and a rotating disc, the moving seat is arranged on a sliding rail of a secondary driving seat, the rotating disc is rotatably arranged on the moving seat, the mechanical arm is arranged on the rotating disc and comprises a plurality of rotatable telescopic arms and an included angle adjusting mechanism, the rotatable telescopic arms are sequentially connected through the included angle adjusting mechanism, the contact mechanism is arranged on the mechanical arm and comprises an angle detecting module and a contact module, the angle detecting module is used for detecting a screen angle, and the contact module is used for touching a screen. Optionally, the contact mechanism further comprises a supporting rod and a telescopic rod, the supporting rod is installed on the mechanical arm, the angle detection module is installed on the supporting rod, the telescopic rod is installed at the front end of the angle detection module, and the contact module is installed at the front end of the telescopic rod. Optionally, the angle detection module includes a fixing plate and an angle detection element, the fixing plate is mounted on the support rod, and the angle detection element is mounted on the fixing plate and disposed toward one side of the contact module. Optionally, the telescopic link is installed the one side of deviating from the bracing piece of fixed plate, and the axis of telescopic link is perpendicular with the preceding terminal surface of fixed plate. Optionally, the contact module includes sleeve, touch handle and stylus, the sleeve is installed the front end of telescopic link, the stylus is installed in the front end of touch handle, touch handle peg graft in the cavity of sleeve. Optionally, a tightening screw is installed on the wall of the sleeve, and the inner end of the tightening screw abuts against the contact handle. Optionally, the stylus is inserted into the touch handle, and a pressure sensor is installed between the inner end of the stylus and the touch handle. Optionally, the rotatable telescopic boom includes outer pole and interior pole, the one end clearance of interior pole cup joint in the inner chamber of outer pole, interior pole can be relative outer pole is along axial extension, and can be relative outer pole is around axial rotation. Optionally, the included angle adjusting mechanism further includes an angle encoder and a servo motor, the angle encoder is used for detecting a rotation angle