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1. CN102612443 - Tire-state detection device

Office
China
Application Number 201080038784.7
Application Date 18.05.2010
Publication Number 102612443
Publication Date 25.07.2012
Publication Kind A
IPC
B60C 23/04
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
23Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps, of tanks; Tyre cooling arrangements
02Signalling devices actuated by tyre pressure
04mounted on the wheel or tyre
G01L 17/00
GPHYSICS
01MEASURING; TESTING
LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
17Devices or apparatus for measuring tyre pressure or the pressure in other inflated bodies
CPC
B60C 23/0452
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES TYRE INFLATION; TYRE CHANGING OR REPAIRING; REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
23Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
02Signalling devices actuated by tyre pressure
04mounted on the wheel or tyre
0408transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
0422characterised by the type of signal transmission means
0433Radio signals
0447Wheel or tyre mounted circuits
0452Antenna structure, control or arrangement
B60C 23/0494
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES TYRE INFLATION; TYRE CHANGING OR REPAIRING; REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
23Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
02Signalling devices actuated by tyre pressure
04mounted on the wheel or tyre
0491Constructional details of means for attaching the control device
0494Valve stem attachments positioned inside the tyre chamber
B60C 23/0498
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES TYRE INFLATION; TYRE CHANGING OR REPAIRING; REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
23Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
02Signalling devices actuated by tyre pressure
04mounted on the wheel or tyre
0491Constructional details of means for attaching the control device
0498for rim attachments
H01Q 1/2241
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
1Details of, or arrangements associated with, antennas
12Supports; Mounting means
22by structural association with other equipment or articles
2208associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
2241used in or for vehicle tyres
H01Q 7/00
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
7Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
Applicants The Yokohama Rubber Co., Ltd.
Inventors Yokohama Rubber Co Ltd
Agents duan chengen chen haigong
Priority Data 201574/2009 01.09.2009 JP
Title
(EN) Tire-state detection device
(ZH) 轮胎状态检测装置
Abstract
(EN)
Disclosed is a tire-state detection device which can not only acquire good antenna characteristics even if the shape of the rim to which the tire-state detection device is to be fitted changes, but can also be produced at lower costs and be mass produced. The tire-state detection device is provided with: a sensor (410) for detecting a predetermined physical state of a tire; an antenna (450) which has a predetermined resonant frequency; a detection circuit for transmitting information relating to the detection results of the sensor (410) as radio waves from the antenna (450); and a case (100) which houses the sensor (410), antenna (450), and detection circuit, and through which radio waves can pass, wherein said case (100) can be fitted to the rim (3) of a tire. The tire-state detection device is provided with a planar conductor (310) which is fit, in a state electrically insulated from the antenna (450), at a position away from the antenna (450) by a predetermined distance so as to form an interface between the antenna (450) and rim (3) when the case (100) is fit to the rim (3), and is set to a potential equivalent to the reference potential of the detection circuit.

(ZH)

本发明课题是提供即使作为安装对象的轮辋的形状变化也能够得到良好的天线特性、并且能够降低制造成本、能够大量生产的轮胎状态检测装置。解决方案是一种轮胎状态检测装置(10),该轮胎状态检测装置具备检测轮胎的预定的物理状态的传感器(410)、具有预定的共振频率的天线(450)、将传感器(410)的检测结果的信息从天线(410)作为电波发送的检测电路和收纳传感器(410)与天线(450)与检测电路并且使电波透过的外壳(100),将外壳(100)安装于轮胎内的轮辋(3)而使用,其中:以在将外壳(100)安装于轮辋(3)时在天线(450)与轮辋(3)之间形成边界面的方式在距离天线(450)预定距离的位置设置有以与天线(450)电绝缘的状态固定并且设定为与检测电路的基准电位相等的电位的平面导(310)。