Environment durability test equipment for steering wheel angle sensor

Abstract

The utility model discloses a steering wheel angle sensor environment endurance test device comprising a pedestal, a control system box body and a computer, the top end of the pedestal is fixedly provided with a rack, the bottom end of the rack is fixedly provided with a servo motor, and the top end of the rack is movably embedded with a rotating shaft; a weather-proof belt is arranged on the outer sides of the rotating shaft and the output end of the servo motor in a surrounding mode, and a belt tensioner is movably embedded in the top end of the rack. When the detection device is used, the steering wheel angle sensor to be detected is installed on the product carrier, then the servo motor is started to drive all the rotating shafts to rotate through the weather-proof belt, so that the steering wheel angle sensor is detected, and detection data is transmitted to the interior of the computer for analysis. Meanwhile, the control system box body is used for controlling the detection process, a plurality of steering wheel angle sensors can be tested through a plurality of rotating shafts and a product carrier during use, and differences of individual data can be compared through a computer.

Description

TECHNICAL FIELD

[0001] The utility model relates to steering wheel angle sensor test equipment field, concretely is a kind of steering wheel angle sensor environmental durability test equipment. BACKGROUND

[0002] With the development of automobile industry, the requirement of active safety in automobile driving is also higher and higher;Steering wheel angle sensor as the signal acquisition part of automobile safe driving, is the important component in automobile electronic control system, is used to detect the rotation angle and rotation speed of steering wheel, provides the input of automobile steering signal for electronic control unit time time;Its performance and reliability directly influence the controllability and safety of automobile;In order to ensure that steering wheel angle sensor can work normally under various environmental conditions, it needs to be tested in environmental durability.

[0003] In order to fully evaluate the durability of steering wheel angle sensor, durability test usually needs to be run for a long time;During long time experiment, experiment needs to be monitored and data recorded;The existing test equipment has the problems of single test function, low test precision and low automation degree;Not only can not guarantee the accuracy of durability test data, but also greatly increases the labor cost and management difficulty. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of steering wheel angle sensor environmental durability test equipment to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of steering wheel angle sensor environmental durability test equipment, including base, control system box and computer, the base top is fixedly arranged with rack, the rack bottom is fixedly arranged with servo motor, the rack top is movably embedded with rotating shaft, the rotating shaft is surrounded with weatherable belt outside servo motor output end outer side, the rack top is movably embedded with belt tensioner, the rack bottom is fixedly arranged with product carrier.

[0006] Preferably, the control system box further comprises a touch screen, a start button, a power indicator, a running indicator and an audible and visual indicator, the touch screen is inlaid and fixed on one side of the control system box, the start button is inlaid and fixed on the control system box, the power indicator is inlaid and fixed on the control system box, the running indicator is inlaid and fixed on the control system box, and the audible and visual indicator is inlaid and fixed on the control system box; in use, the steering wheel angle sensor to be detected is installed on the product carrier, then the servo motor is started to drive all the rotating shafts to rotate through the weather-resistant belt, so that the steering wheel angle sensor is detected, the detection data is transmitted to the computer for analysis, and the detection process is controlled by the control system box; in use, a plurality of steering wheel angle sensors can be tested through the plurality of rotating shafts and the product carrier, and the individual data difference can be compared through the computer.

[0007] Preferably, the belt tensioner is tightly attached to the outer side of the weather-resistant belt.

[0008] Preferably, the control system box, the computer and the servo motor are electrically connected.

[0009] Preferably, the rotating shafts are movably penetrated through the center position of the product carrier.

[0010] Compared with the prior art, the beneficial effects of the steering wheel angle sensor environmental durability test equipment are as follows:

[0011] In use, the steering wheel angle sensor to be detected is installed on the product carrier, then the servo motor is started to drive all the rotating shafts to rotate through the weather-resistant belt, so that the steering wheel angle sensor is detected, the detection data is transmitted to the computer for analysis, and the detection process is controlled by the control system box; in use, a plurality of steering wheel angle sensors can be tested through the plurality of rotating shafts and the product carrier, and the individual data difference can be compared through the computer. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a whole structure schematic view of the steering wheel angle sensor environmental durability test equipment.

[0013] Fig. 2 It is a product carrier structure schematic view of the steering wheel angle sensor environmental durability test equipment.

[0014] In the figure: 1, base; 2, rack; 3, servo motor; 4, weather-resistant belt; 5, rotating shaft; 6, belt tensioner; 7, computer; 8, start button; 9, product carrier; 10, control system box; 11, power indicator; 12, running indicator; 13, audible and visual indicator; 14, touch screen. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0016] Please refer to Figs. 1-2 The utility model provides a steering wheel angle sensor environment durability test equipment, including base 1, control system box 10 and computer 7, the top of base 1 is fixed with rack 2 through bolt, the bottom of rack 2 is fixed with servo motor 3 through mounting bracket, the top of rack 2 is movably embedded with rotating shaft 5, and the outside of servo motor 3 output encircles with weatherproof belt 4, the top of rack 2 is movably embedded with belt tensioner 6, and weatherproof belt 4 is tightly attached to the outside of belt tensioner 6, control system box 10, computer 7 and servo motor 3 are electrically connected, the bottom of rack 2 is fixed with product carrier 9 through bolt, and the lower end of rotating shaft 5 movably penetrates the center position of product carrier 9.

[0017] Control system box 10 still includes touch screen 14, start button 8, power indicator 11, running indicator 12 and audible and visual indicator 13, touch screen 14 is embedded and fixed on one side of control system box 10, start button 8 is embedded and fixed on control system box 10, power indicator 11 is embedded and fixed on control system box 10, running indicator 12 is embedded and fixed on control system box 10, audible and visual indicator 13 is embedded and fixed on control system box 10, when using, the steering wheel angle sensor to be detected is installed on product carrier 9, then servo motor 3 starts to drive all rotating shafts 5 to rotate through weatherproof belt 4, so that the steering wheel angle sensor is detected, and the detection data is transmitted to the inside of computer 7 for analysis, and the detection process is controlled using control system box 10, when using, a plurality of rotating shafts 5 and product carriers 9 can test a plurality of steering wheel angle sensors, and individual data differences can be compared through computer 7.

[0018] Working principle: the rotating shaft 5 and servo motor 3 shaft with weatherproof belt 4 connected together, adjust the belt tensioner 6, so that the weatherproof belt 4 maintains a certain tension, the steering wheel angle sensor into the hole of the bench 2, dial the aperture and the angle sensor dial block alignment, light pressure angle sensor top and bottom plane to make it install smoothly, check the angle sensor and rotating shaft 5 is concentric, if not concentric, use the hex wrench to adjust the positioning tool, install the screw in the through hole on both sides of the angle sensor, so that the angle sensor is firmly fixed on the bench 2, the corresponding wire harness plug angle sensor interface, confirm that the plug is installed in place, move the wire harness end buckle to lock it, turn the bench 2 upside down on the support, simulate the real vehicle installation on the steering wheel posture, put the base 1 and the bench 2 into the oven, the wire harness of the bench 2 and the signal communication wire harness of the angle sensor are led out from the through hole on one side of the oven, the wire harness of the bench 2 is connected to the control system box 10, and the signal communication wire harness of the angle sensor is connected to the computer 7 through the USB adapter, which is convenient for CAN signal acquisition, monitoring and analysis.

[0019] Confirm that the control system box 10 is in the closed state, connect the power cord to the control system box 10, insert the wire harness of the bench 2 into the control system box 10, start the oven, set the temperature and humidity environment according to the test requirements, at this time the test hardware environment is built.

[0020] Open the control system box 10, the control system box 10 starts to power on, press the front start button 8 of the box, the running indicator light 12 is on, the computer 7 interface is opened to enter the system homepage interface, the control mode is in automatic state, click the "parameter setting" button on the right side of the system homepage, the system enters the positioning parameter setting interface, set the running parameters according to the test requirements, click "system homepage" button, enter system homepage interface, set "test speed" and "cycle number" according to test requirements, after setting, click "reset" button, the system enters the reset process, after the process is completed, the system state display area will display "system reset complete" word, at this time click "start" button, the system state display area will display "system running" word, indicating that the system has entered the automatic running state, through the test analysis software of the computer, the running state of the angle sensor is monitored in real time; until "the number of running times" is equal to "the cycle number setting value", the system automatically stops, the state display area displays "test complete" word, prompting that the test is completed, until the "reset" button is clicked.

[0021] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0022] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A steering wheel angle sensor environmental durability test device, comprising a base (1), a control system box (10) and a computer (7), characterized in that: The base (1) top end is fixedly provided with a rack (2), the rack (2) bottom end is fixedly provided with a servo motor (3), the rack (2) top end is movably embedded with a rotating shaft (5), the rotating shaft (5) is provided with a weather-resistant belt (4) on the outer side of the servo motor (3) output end, the rack (2) top end is movably embedded with a belt tensioner (6), the rack (2) bottom end is fixedly provided with a product carrier (9).

2. The steering wheel angle sensor environmental durability test apparatus according to claim 1, characterized by: The control system box (10) further comprises a touch screen (14), a start button (8), a power indicator (11), a running indicator (12) and an audible and visual indicator (13), the touch screen (14) is embedded and fixed on one side of the control system box (10), the start button (8) is embedded and fixed on the control system box (10), the power indicator (11) is embedded and fixed on the control system box (10), the running indicator (12) is embedded and fixed on the control system box (10), and the audible and visual indicator (13) is embedded and fixed on the control system box (10).

3. The steering wheel angle sensor environmental durability test apparatus according to claim 2, characterized by: The belt tensioner (6) is closely attached to the outer side of the weather-resistant belt (4).

4. The steering wheel angle sensor environmental durability test apparatus according to claim 3, characterized by: The control system box (10), the computer (7) and the servo motor (3) are electrically connected.

5. The steering wheel angle sensor environmental durability test apparatus according to claim 4, characterized by: The rotating shaft (5) lower end movably penetrates the center position of the product carrier (9).

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