Device and method for measuring wheel base under vehicle stationary state

A technology for measuring axles in a static state, applied to the device for determining the length of the wheelbase of a vehicle, and the field of devices for determining the wheelbase when the vehicle is in a static state, it can solve the problem of poor driving skills, failure to pick up the switch, and damage to the car body and other problems to achieve the effect of saving parking time, reducing the difficulty of parking, and high accuracy

Inactive Publication Date: 2015-01-07
SHENYANG YUANDA SCI & TECH PARK
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the driver's driving skills are not very good, and the car is not docked correctly, it is easy to cause the ex

Method used

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  • Device and method for measuring wheel base under vehicle stationary state
  • Device and method for measuring wheel base under vehicle stationary state
  • Device and method for measuring wheel base under vehicle stationary state

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Embodiment Construction

[0046] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0047] Such as figure 1 ,2 , 3, install a detection switch S1, S2 on both sides of the switch 1, and the two detection switches S1, S2 are connected to the controller, follow the steps below:

[0048] 1. The switch 1 starts to run from a fixed position (zero point Z) to the bottom of the vehicle 2, and the controller starts to record the pulses sent from the encoder.

[0049] 2. When the detection switches (S1, S2) reach the positions FL1 and FR1, the controller automatically detects the distances L1 and L2 between these two positions and the zero point (Z).

[0050] 3. When the detection switches (S1, S2) reach the positions FL2 and FR2, the controller automatically detects the distances L3 and L4 between these two positions and the zero point (Z).

[0051] 4. When the detection switches (S1, S2) reach the positions RL1 and RR1, the co...

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Abstract

The invention discloses a device and method for measuring the wheel base under the vehicle stationary state. The device comprises a vehicle getting device, a controller, a servo driver, a servo motor and an encoder. Detection switches are installed on the two sides of the vehicle getting device respectively and connected with the controller. The detection switches transmit detection signals to the controller, and the detection signals are processed through the controller. The controller is connected with the servo driver and the encoder, the servo driver is connected with the encoder and the servo motor, the controller controls running of the servo motor through the servo driver, the servo driver transmits the signals to the controller through the encoder, and the signals are processed through the controller. The servo motor drives the vehicle getting device to run. The device and method have the advantages that as long as a vehicle is parked in the specialized area and is parked uprightly, the measuring result cannot be affected even when steering wheels are not returned in place, and great convenience is brought to a driver to park the vehicle. Four wheels are detected, accepting or rejecting is carried out after the comparison of calculation results, and the accuracy is high.

Description

technical field [0001] The invention belongs to the technical field of vehicle detection, and in particular relates to a device and method for determining the wheelbase when the vehicle is in a stationary state. [0002] The invention relates to a device and a method for determining the wheelbase length (L) of a vehicle. The detection switch (S) is arranged on a horizontal moving device (M). The horizontal moving device (M) can automatically run to the bottom of the vehicle. The detection switch (S) ) automatically records the positions of the four wheels, and determines the wheelbase length (L) of the vehicle through calculation processing. Background technique [0003] Existing vehicle wheelbase detection technologies are divided into the following categories: [0004] Class I: The wheel is moving, and the detection device is still, such as a laser tester, four-wheel aligner, etc. This type is mostly used on car inspection lines. [0005] Class II: The wheels are statio...

Claims

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Application Information

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IPC IPC(8): G01B21/16
CPCG01B21/16
Inventor 金学民王福强任兴中武宵云
Owner SHENYANG YUANDA SCI & TECH PARK
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