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Cleaning system for vehicle sensor

A cleaning system and sensor technology, applied in vehicle cleaning, vehicle maintenance, vehicle parts, etc., can solve problems such as damage and hindering sensor operation

Pending Publication Date: 2020-02-11
FORD GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the sensor lens, cover, etc. become dirty, smeared, etc., it may damage or prevent sensor operation

Method used

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  • Cleaning system for vehicle sensor
  • Cleaning system for vehicle sensor
  • Cleaning system for vehicle sensor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0018] As shown in the figures, the cleaning system 30 for the first sensor 32 of the vehicle 34 includes an actuator 36 and an arm 38 that is rotatable by the actuator 36 . The actuator 36 includes a housing 40 and a rotatable barrier 42 in the housing 40 that defines a first chamber 44 and a second chamber 46 . The rotatable barrier 42 is rotatable by the relative pressure of the chambers. Arm 38 includes at least one first nozzle 48 fluidly connected to first chamber 44 and at least one second nozzle fluidly connected to second chamber 46 .

[0019] Cleaning system 30 may remove obstructions and debris from first sensor 32 , which improves operation of first sensor 32 and autonomous or semi-autonomous operation of vehicle 34 that relies on first sensor 32 . Furthermore, the cleaning system 30 is cost-effective and energy-efficient. The rotation of the arm 38 is driven by the same fluid sprayed from either the first nozzle 48 or the second nozzle 50 . For the purposes of ...

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PUM

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Abstract

A cleaning system for a vehicle sensor is provided. The cleaning system includes an actuator and an arm rotatable by the actuator. The actuator includes a housing and a rotatable barrier in the housing defining a first chamber and a second chamber. The rotatable barrier is rotatable by relative pressures of the chambers. The arm includes a first nozzle fluidly connected to the first chamber and asecond nozzle fluidly connected to the second chamber.

Description

technical field [0001] The present disclosure relates generally to vehicle sensors, and more particularly to cleaning systems for vehicle sensors. Background technique [0002] Autonomous vehicles typically include a variety of sensors. Several sensors detect the internal state of the vehicle, such as wheel speed, wheel orientation, and engine and transmission variables. Some sensors detect the position or orientation of the vehicle, for example, Global Positioning System (GPS) sensors; accelerometers, such as piezoelectric or microelectromechanical systems (MEMS); gyroscopes, such as rate gyroscopes, ring laser gyroscopes, or fiber optic gyroscopes; an inertial measurement unit (IMU); and a magnetometer. Some sensors detect the outside world, eg radar sensors, scanning laser range finders, light detection and ranging (LIDAR) devices, and image processing sensors such as cameras. A LIDAR device detects the distance to an object by emitting a laser pulse and measuring the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60S1/56B60S1/52B60S1/54B60S1/48
CPCB60S1/566B60S1/524B60S1/546B60S1/48B60R11/04B60R2011/004G02B27/0006A46B13/02H04N23/51
Inventor 乔斯·加西亚·克雷斯波威廉·伊桑-亚历山大·麦克卢尔
Owner FORD GLOBAL TECH LLC