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Testing device and testing method for corner sensor

A technology of a corner sensor and a testing device, which is applied in the direction of measuring devices, electrical devices, instruments, etc., can solve problems such as potential safety hazards, failure of electronic power steering systems, and increased driving burden for drivers, and achieves high installation accuracy and structural disassembly. Convenient, accurate angular velocity effect

Pending Publication Date: 2020-06-19
天津中科华誉科技有限公司
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

For the angle sensor in the steering wheel of the vehicle, it can detect the angle and angular velocity of the steering wheel during the running of the vehicle, and provide the necessary data for the electronic steering assist system. If the steering angle data is inaccurate or the data is abnormal, the electronic assist The steering system will fail, which will increase the driver's driving burden and form a safety hazard

Method used

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  • Testing device and testing method for corner sensor
  • Testing device and testing method for corner sensor
  • Testing device and testing method for corner sensor

Examples

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Embodiment Construction

[0022] see Figure 1-Figure 6 As shown, the technical solution adopted in this specific embodiment is that it comprises a stepper motor 1, a bracket 2, a stepper motor reducer 3, a measured sensor installation position 4, a transmission shaft 5, a transmission shaft fixing device 6, a chassis 7, a sensor Fixing device 8, slide rail 9, the chassis 1 is a rigid structure supporting other parts, the top of the chassis 1 is provided with a slide rail 9, the sensor fixing device 8 is used to fix the sensor, the sensor fixing device 8 is connected with the slide rail 9, and the sensor is fixed The device 8 can slide along the slide rail 9 to ensure that the rotation axis of the sensor and the transmission shaft 5 are on the same straight line. The fixing method of the sensor fixing device 8 is a clamping fixing method, and its fixing method can make multiple sensors be fixed at the same time In this device, the test efficiency is improved without loss of accuracy. The stepper motor ...

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Abstract

The invention discloses a testing device and a testing method for a corner sensor, and relates to the technical field of functional verification devices for the angle, the angular speed and additionalfunctions of the corner sensor. The invention in particular relates to the testing device and the testing method for the corner sensor. The device comprises a stepping motor, a bracket, a stepping motor speed reducer, a tested sensor mounting position, a transmission shaft, a transmission shaft fixing device, a chassis, a sensor fixing device and a slide rail, the support, the transmission shaftfixing device and the sliding rail are arranged on the chassis, the stepping motor is arranged on the left side of the support, the stepping motor speed reducer is arranged on the right side of the support, and one end of the stepping motor speed reducer is connected with the stepping motor. After the technical scheme is adopted, the invention has the beneficial effects that under the condition ofunmanned operation, the operation of a driver on a steering wheel can be accurately simulated by running test scripts, and various different driver operation modes can be verified by setting different test scripts.

Description

technical field [0001] The invention relates to the technical field of a function verification device for the angle, angular velocity and additional functions of a rotation angle sensor, in particular to a testing device and a testing method for a rotation angle sensor. Background technique [0002] With the development and progress of society, cars have become an important means of transportation for people to travel, gradually developing towards intelligence and unmanned. The rise of new energy vehicles has made a large number of sensors, actuators and other electronic devices in cars A large number of applications, and whether the functions of these electronic devices meet the functional requirements and safety requirements will affect the driving safety of the car. According to the national standard "GBT 18384-2 Electric Vehicle Safety Requirements Part 2: Functional Safety and Fault Protection", the auxiliary functions and auxiliary circuits should meet the correspondin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B7/30G01M17/06
CPCG01B7/30G01M17/06
Inventor 孙建东
Owner 天津中科华誉科技有限公司
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