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Sensor apparatus with cooling structure

A sensor device and sensor technology, applied in heat exchange equipment, lighting and heating equipment, instruments, etc., can solve problems such as performance degradation

Pending Publication Date: 2020-01-31
FORD GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, LIDAR devices may experience performance degradation above about 65°C

Method used

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  • Sensor apparatus with cooling structure
  • Sensor apparatus with cooling structure
  • Sensor apparatus with cooling structure

Examples

Experimental program
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Effect test

Embodiment Construction

[0032] A sensor apparatus comprising: an upper chamber; a lower chamber adjacent to the upper chamber; a sensor in contact with and below the lower chamber; and a valve in contact with the lower chamber. The upper chamber and the lower chamber are in communication and are operable to open in response to a temperature in the lower chamber being above a threshold.

[0033] The valves may comprise a solid-solid phase change material whose phase change occurs below the threshold, the valves in the lower temperature phase may close, and all the valves in the higher temperature phase may close. The valve can be opened.

[0034] The upper chamber may include a dome-shaped upper panel. The upper chamber may include vent holes at edges of the upper panel.

[0035] The sensor device may also include a plurality of fins extending from the upper panel away from the upper chamber.

[0036] The upper panel may include a downward facing surface facing the upper chamber, the downward surfa...

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PUM

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Abstract

The present invention provides a sensor apparatus with a cooling structure. The sensor apparatus includes an upper chamber, a lower chamber adjacent the upper chamber, a sensor contacting and below the lower chamber, and a valve in communication with the upper and lower chambers and openable in response to a temperature at the valve being above a threshold. The upper chamber may include a dome-shaped upper panel.

Description

technical field [0001] The present invention relates to a sensor device that can increase the heat transfer from a first sensor to the surrounding environment, which can improve the performance of the first sensor and reduce possible degradation of the first sensor due to heating. The sensor device may reduce the need for moving parts and electrical power to dissipate heat from the first sensor. As described more fully below, the sensor device may prevent condensate from reaching the first sensor. The sensor device can provide these benefits without significantly increasing the resistance over that of the first sensor. Background technique [0002] Autonomous vehicles typically include a variety of sensors. One type of sensor of this type is a Light Detection and Ranging (LIDAR) device. A LIDAR device detects the distance to an object by emitting a laser pulse and measuring the time-of-flight of the pulse traveling to the object and back. LIDAR units can generate 50 watt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S17/08G01S7/481
CPCG01S17/08G01S7/481G01S17/931G01S7/4813G01S7/4817F28F7/02G05D23/02G05D23/19
Inventor 马哈茂德·尤瑟夫·加纳姆塞贡多·巴尔多维诺普拉桑特·杜贝萨米·A·阿尔哈拉布谢文卡特什·克里希南
Owner FORD GLOBAL TECH LLC