TIRE-STATE DETECTION DEVICE

摘要

A tire-state detection device according to the present invention includes: an electronic component including a detection unit that detects a pressure of a tire; and a case that houses the electronic component. The case includes: a case main body that houses the electronic component and that has an open surface formed thereon; and a lid member that covers the open surface. The detection unit includes: a pressure sensor section having a diaphragm-type element; a sensor control section that controls the pressure sensor section; and a dome-shaped shield cover that covers the pressure sensor section and the sensor control section. An inside of the case main body having the open surface covered with the lid member is filled with a sealant, and the diaphragm-type element is made of a ceramic.

主权项

1. A tire-state detection device comprising:
an electronic component including a detection unit that detects a pressure of a tire; and a case that houses the electronic component, wherein the case includes
a box member that houses the electronic component and that has an open surface formed thereon, anda lid member that covers the open surface, the detection unit includes
a pressure sensor section having a diaphragm-type element,a sensor control section that controls the pressure sensor section, anda dome-shaped cover member that covers the pressure sensor section and the sensor control section, an inside of the box member having the open surface covered with the lid member is filled with a sealant, and the diaphragm-type element is made of a ceramic.