JP2003002018A - Air pressure detecting device of tire, and its arranging structure - Google Patents
Air pressure detecting device of tire, and its arranging structureInfo
- Publication number
- JP2003002018A JP2003002018A JP2001189270A JP2001189270A JP2003002018A JP 2003002018 A JP2003002018 A JP 2003002018A JP 2001189270 A JP2001189270 A JP 2001189270A JP 2001189270 A JP2001189270 A JP 2001189270A JP 2003002018 A JP2003002018 A JP 2003002018A
- Authority
- JP
- Japan
- Prior art keywords
- air pressure
- tire
- pressure detection
- battery
- detection device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices 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
- B60C23/005—Devices specially adapted for special wheel arrangements
- B60C23/006—Devices specially adapted for special wheel arrangements having two wheels only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices 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
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0491—Constructional details of means for attaching the control device
- B60C23/0494—Valve stem attachments positioned inside the tyre chamber
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、タイヤの空気圧を
検出して車両の走行中でもタイヤの空気圧を運転者が認
識することを可能にしたタイヤの空気圧検知装置に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tire air pressure detecting device which enables a driver to recognize the tire air pressure even while the vehicle is traveling by detecting the tire air pressure.
【０００２】[0002]
【従来の技術】車両の走行中でもタイヤの空気圧を運転
車が認識することを可能にしたタイヤの空気圧検知装置
として、例えば、特開平１０−４４７２６号公報「タイ
ヤ空気圧警報装置」が知られている。上記技術は、同公
報の図１によれば、ホイールリム１（符号は公報の符号
を流用した）にバルブステム１０を取付け、このバルブ
ステム１０の基部にケース２を配置し、このケース２内
に圧力検知部３、信号処理回路４及び電池５から構成す
る送信部７を納めたタイヤ空気圧警報装置である。2. Description of the Related Art As a tire air pressure detection device that allows a driver to recognize tire air pressure even while the vehicle is running, for example, Japanese Patent Laid-Open No. 10-44726 discloses a "tire pressure warning device". . According to FIG. 1 of the publication, the above-described technique is such that a valve stem 10 is attached to a wheel rim 1 (the reference numeral is the reference numeral of the publication), a case 2 is arranged at a base portion of the valve stem 10, The tire pressure alarm device includes a pressure detector 3, a signal processing circuit 4, and a transmitter 7 including a battery 5.
【０００３】[0003]
【発明が解決しようとする課題】しかし、上記技術で
は、バルブステム１０の基部にケース２を配置し、この
ケース２内に圧力検知部３、信号処理回路４及び電池５
を配置するものなので、バルブステム１０廻りに重量が
集中し、この様なバルブステム１０をホイールリム１に
取付けるのではホイールバランスを崩す原因となる。However, in the above technique, the case 2 is arranged at the base of the valve stem 10, and the pressure detector 3, the signal processing circuit 4, and the battery 5 are provided in the case 2.
The weight is concentrated around the valve stem 10, and mounting the valve stem 10 on the wheel rim 1 causes the wheel balance to be lost.
【０００４】そこで、本発明の目的は、ホイールバラン
スを保つことができるタイヤの空気圧検知装置を提供す
ることにある。Therefore, an object of the present invention is to provide a tire air pressure detection device capable of maintaining wheel balance.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するため
に請求項１タイヤの空気圧検知装置は、タイヤの空気圧
を検出する圧力検知部と、この圧力検知部で検知した空
気圧を電気信号に変換して送信する送信回路部と、これ
らの圧力検知部及び送信回路部に電力を供給する電池
と、これらの圧力検知部、送信回路部及び電池を一括収
納する収納ケースと、この収納ケースをホイールリムに
固定するゴム製のグロメットとから構成したことを特徴
とする。In order to achieve the above object, a tire air pressure detecting device according to a first aspect of the present invention includes a pressure detecting portion for detecting the tire air pressure, and the air pressure detected by the pressure detecting portion is converted into an electric signal. And a battery for supplying electric power to the pressure detection unit and the transmission circuit unit, a storage case for collectively storing the pressure detection unit, the transmission circuit unit and the battery, and a storage case for the wheel. It is composed of a rubber grommet fixed to the rim.
【０００６】タイヤの空気圧を検出して車両の走行中で
もタイヤの空気圧を運転者が認識することを可能にする
ことは好ましいことである。ところで、タイヤは路面か
らの振動を繰り返し受けるものであり、このようなタイ
ヤに圧力検知部及び送信回路部などの電子回路を組込む
には適切な防振対策が必要である。そこで、圧力検知
部、送信回路部及び電池を収納ケースに一括収納し、こ
の収納ケースをゴム製のグロメットでホイールリムに固
定するようにした。It is desirable to detect the tire air pressure so that the driver can recognize the tire air pressure while the vehicle is traveling. By the way, tires are repeatedly subjected to vibrations from the road surface, and proper vibration damping measures are required to incorporate electronic circuits such as a pressure detection unit and a transmission circuit unit into such tires. Therefore, the pressure detection unit, the transmission circuit unit, and the battery are collectively stored in a storage case, and the storage case is fixed to the wheel rim with a rubber grommet.
【０００７】すなわち、圧力検知部、送信回路部及び電
池を収納ケースに一括収納し、この収納ケースをゴム製
のグロメットでホイールリムに固定することで、圧力検
知部、送信回路部及び電池をタイヤの振動から保護する
ことができる。この結果、タイヤの空気圧検知装置の耐
久性の向上を図ることができる。また、本発明のタイヤ
の空気圧検知装置は、圧力検知部、送信回路部及び電池
を一括収納した収納ケースをゴム製のグロメットでホイ
ールリムに固定するものなので、ホイールバランスを考
慮しつつ設定位置を選ぶことができる。この結果、ホイ
ールバランスを大きく崩すことない。即ちホイールバラ
ンスを保つことができる。That is, the pressure detection unit, the transmission circuit unit, and the battery are collectively stored in a storage case, and the storage case is fixed to the wheel rim with a rubber grommet, so that the pressure detection unit, the transmission circuit unit, and the battery are tired. Can be protected from vibration. As a result, the durability of the tire air pressure detection device can be improved. Further, the tire air pressure detection device of the present invention is a device for fixing the pressure detection unit, the transmission circuit unit, and the storage case that collectively stores the battery to the wheel rim with a rubber grommet, so the setting position while considering the wheel balance. You can choose. As a result, the wheel balance is not significantly disturbed. That is, the wheel balance can be maintained.
【０００８】請求項２は、圧力検知部及び送信回路部を
ホイールリム外周側に且つタイヤ内に配置し、電池をホ
イールリム内周側に且つタイヤ外に配置したことを特徴
とする。電池をホイールリム内周側に且つタイヤ外に配
置することで、電池のメンテナンスを容易に行なえるよ
うにする。この結果、タイヤの空気圧検知装置の保守管
理の作業性の向上を図ることができる。According to a second aspect of the present invention, the pressure detecting portion and the transmitting circuit portion are arranged on the outer peripheral side of the wheel rim and inside the tire, and the battery is arranged on the inner peripheral side of the wheel rim and outside the tire. By disposing the battery inside the wheel rim and outside the tire, the battery can be easily maintained. As a result, the workability of maintenance and management of the tire air pressure detection device can be improved.
【０００９】請求項３のタイヤの空気圧検知装置配置構
造は、タイヤの空気圧を圧力検知部で検知し、この圧力
検知部で検知した空気圧を送信回路部で電気信号に変換
して送信し、これらの圧力検知部及び送信回路部に電池
から電力を供給する形式のタイヤの空気圧検知装置にお
いて、この空気圧検知装置を、タイヤの空気バルブに対
向させ配置したことを特徴とする。空気圧検知装置を、
タイヤの空気バルブに対向させ配置することで、空気バ
ルブの重量と空気圧検知装置の重量とを分散させる。こ
の結果、ホイールバランスを良好に保つことができる。In the tire air pressure detecting device arranging structure according to the third aspect, the tire air pressure is detected by the pressure detecting section, the air pressure detected by the pressure detecting section is converted into an electric signal by the transmitting circuit section, and the electric signal is transmitted. In the tire air pressure detection device of the type in which electric power is supplied from the battery to the pressure detection unit and the transmission circuit unit, the air pressure detection device is arranged so as to face the air valve of the tire. Air pressure detection device,
By disposing the tire so as to face the air valve, the weight of the air valve and the weight of the air pressure detection device are dispersed. As a result, good wheel balance can be maintained.
【００１０】請求項４は、空気圧検知装置を、空気バル
ブに対向する位置から左右６０゜の範囲に配置したこと
を特徴とする。空気バルブに対向する位置から左右６０
゜の範囲に空気圧検知装置を配置することはホイールバ
ランスを良好に保つ上での許容範囲であり、空気圧検知
装置の自由度を広げる。According to a fourth aspect of the present invention, the air pressure detecting device is arranged within a range of 60 ° to the left and right from a position facing the air valve. Left and right 60 from the position facing the air valve
Arranging the air pressure detecting device in the range of ° is an allowable range for maintaining good wheel balance, and expands the degree of freedom of the air pressure detecting device.
【００１１】[0011]
【発明の実施の形態】本発明の実施の形態を添付図に基
づいて以下に説明する。なお、図面は符号の向きに見る
ものとする。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the accompanying drawings. The drawings should be viewed in the direction of the reference numerals.
【００１２】図１は本発明に係るタイヤの空気圧検知装
置を搭載した自動二輪車の側面図であり、自動二輪車１
０は、車両の後方下部に向かって延ばした車体フレーム
１１と、この車体フレーム１１に取付けたヘッドパイプ
１２と、このヘッドパイプ１２に取付けたフロントフォ
ーク１３と、フロントフォーク１３に取付けた前輪１４
と、フロントフォーク１３に連結したハンドル１５と、
車体フレーム１１の後上部に一端を取付けたリヤサスペ
ンション１６と、このリヤサスペンション１６の他端と
車体フレーム１１後下部との間にスイング自在に取付け
たスイングアーム１７と、このスイングアーム１７の先
端に取付けた後輪１８と、車体フレーム１１の後部上部
に配置したシート１９と、車体フレーム１１の下方に配
置したエンジン２２と変速機２３とからなるパワーユニ
ット２１とを、主要構成とした原動機付き自動二輪車で
ある。FIG. 1 is a side view of a motorcycle equipped with a tire air pressure detecting device according to the present invention.
Reference numeral 0 denotes a vehicle body frame 11 extending toward the lower rear portion of the vehicle, a head pipe 12 attached to the vehicle body frame 11, a front fork 13 attached to the head pipe 12, and a front wheel 14 attached to the front fork 13.
And a handle 15 connected to the front fork 13,
A rear suspension 16 having one end attached to the upper rear portion of the body frame 11, a swing arm 17 swingably attached between the other end of the rear suspension 16 and the lower rear portion of the body frame 11, and a tip end of the swing arm 17 A motorcycle with a prime mover having a rear wheel 18 attached thereto, a seat 19 arranged at an upper rear portion of the body frame 11, and a power unit 21 composed of an engine 22 and a transmission 23 arranged below the body frame 11, as main components. Is.
【００１３】図中、２４，２５は車軸、２７はドライブ
チェン・カバー、２８はブレーキペダル、２９はキック
ペダル、３１はレッグシールド、３２はフロントフェン
ダ、３３はリヤフェンダ、３４はヘッドランプ、３５は
テールランプ、３６はバックミラー、３７はメータパネ
ル、３８はスタンドを示す。５０はタイヤの空気圧検知
装置（以下、「空気圧検知装置５０」と略記する）であ
り、後述するように、タイヤの空気圧を検出して車両の
走行中でもタイヤの空気圧を運転者が認識することを可
能にする装置である。In the figure, 24 and 25 are axles, 27 is a drive chain cover, 28 is a brake pedal, 29 is a kick pedal, 31 is a leg shield, 32 is a front fender, 33 is a rear fender, 34 is a headlamp, and 35 is A tail lamp, 36 is a rearview mirror, 37 is a meter panel, and 38 is a stand. Reference numeral 50 denotes a tire air pressure detection device (hereinafter abbreviated as "air pressure detection device 50"). As will be described later, it is possible to detect the tire air pressure so that the driver can recognize the tire air pressure even while the vehicle is running. It is a device that enables it.
【００１４】図２は本発明に係るタイヤの空気圧検知装
置を搭載した自動二輪車のフロント廻りの側面図であ
る。前輪１４は、ホイール４１と、このホイール４１に
取付けたタイヤ４２と、このタイヤ４２の空気圧を知る
ための空気圧検知装置５０からなる。ホイール４１は、
円盤状のディスク４５と、このディスク４５の廻りに形
成したホイールリム４６と、このホイールリム４６に取
付けた空気バルブ４７とからなる。なお、図１に示す後
輪１８は、前輪１４と略同一構成の部材であり、詳細な
説明を省略する。FIG. 2 is a side view around the front of a motorcycle equipped with the tire air pressure detecting device according to the present invention. The front wheel 14 includes a wheel 41, a tire 42 attached to the wheel 41, and an air pressure detection device 50 for knowing the air pressure of the tire 42. Wheel 41
It is composed of a disc-shaped disc 45, a wheel rim 46 formed around the disc 45, and an air valve 47 attached to the wheel rim 46. The rear wheel 18 shown in FIG. 1 is a member having substantially the same configuration as the front wheel 14, and detailed description thereof will be omitted.
【００１５】図３は図２の３−３線断面図であり、空気
圧検知装置５０の正面断面を示す。空気圧検知装置５０
は、ホイールリム４６に開口４６ａを開け、この開口４
６ａにゴム製のグロメット５１を嵌め込み、このグロメ
ット５１に芯金５２を差込み、タイヤ４２の空気圧を検
出して圧力情報を外部に送信する検出・送信ユニット５
３をグロメット５１に保持するようにしたものであり、
この検出・送信ユニット５３からの圧力情報を受信して
表示又は警報を発する表示・警報ユニット５９を備え
る。なお、グロメット５１を、嵌め込みタイプにするこ
とで、ホイールリム４６の取付け性やシール性を向上さ
せることができる。FIG. 3 is a sectional view taken along line 3-3 of FIG. 2, showing a front sectional view of the air pressure detecting device 50. Air pressure detector 50
Opens an opening 46a in the wheel rim 46,
A detection / transmission unit 5 that fits a rubber grommet 51 into the 6a, inserts a core metal 52 into the grommet 51, detects the air pressure of the tire 42, and transmits pressure information to the outside.
3 is held on the grommet 51,
A display / alarm unit 59 is provided which receives the pressure information from the detection / transmission unit 53 and displays or issues an alarm. In addition, when the grommet 51 is a fitting type, it is possible to improve the attaching property and the sealing property of the wheel rim 46.
【００１６】検出・送信ユニット５３は、タイヤ４２の
空気圧を検出する圧力検知部５４と、この圧力検知部５
４で検知した空気圧を電気信号に変換して送信する送信
回路部５５と、これらの圧力検知部５４及び送信回路部
５５に電力を供給する電池５６と、これらの圧力検知部
５４、送信回路部５５及び電池５６を一括収納する収納
ケース５７とから構成したものである。なお、芯金５２
は、検出・送信ユニット５３の保持機能の他に、送信回
路部５５から圧力情報を表示・警報ユニット６１に発信
するアンテナ機能を持たせた。また、表示・警報ユニッ
ト５９は、後述するようにメータパネル３７（図２参
照）に設けたユニットである。The detection / transmission unit 53 includes a pressure detector 54 for detecting the air pressure of the tire 42, and the pressure detector 5
4, a transmission circuit unit 55 that converts the air pressure detected in 4 into an electric signal and transmits the electric signal, a battery 56 that supplies power to the pressure detection unit 54 and the transmission circuit unit 55, and the pressure detection unit 54 and the transmission circuit unit. 55 and the battery 56 are collectively housed in a storage case 57. The core metal 52
In addition to the holding function of the detection / transmission unit 53, the transmission circuit unit 55 has an antenna function of transmitting pressure information to the display / warning unit 61. The display / warning unit 59 is a unit provided on the meter panel 37 (see FIG. 2) as described later.
【００１７】言い換えれば、空気圧検知装置５０は、タ
イヤ４２の空気圧を検出する圧力検知部５４と、この圧
力検知部５４で検知した空気圧を電気信号に変換して送
信する送信回路部５５と、これらの圧力検知部５４及び
送信回路部５５に電力を供給する電池５６と、これらの
圧力検知部５４、送信回路部５５及び電池５６を一括収
納する収納ケース５７と、この収納ケース５７をホイー
ルリム４６に固定するゴム製のグロメット５１とから構
成したものであると言える。In other words, the air pressure detection device 50 includes a pressure detection section 54 for detecting the air pressure of the tire 42, a transmission circuit section 55 for converting the air pressure detected by the pressure detection section 54 into an electric signal and transmitting the electric signal. The battery 56 that supplies electric power to the pressure detection unit 54 and the transmission circuit unit 55, the storage case 57 that collectively stores the pressure detection unit 54, the transmission circuit unit 55, and the battery 56, and the storage case 57 that is the wheel rim 46. It can be said that it is composed of a rubber grommet 51 fixed to the.
【００１８】タイヤ４２の空気圧を検出して自動二輪車
１０（図１参照）の走行中でもタイヤ４２の空気圧を運
転者が認識することを可能にすることは好ましいことで
ある。ところで、タイヤ４２は路面からの振動を繰り返
し受けるものであり、このようなタイヤ４２に圧力検知
部５４及び送信回路部５５などの電子回路を組込むには
適切な防振対策が必要である。そこで、圧力検知部５
４、送信回路部５５及び電池５６を収納ケース５７に一
括収納し、この収納ケース５７をゴム製のグロメット５
１でホイールリム４６に固定するようにした。It is preferable to detect the air pressure of the tire 42 so that the driver can recognize the air pressure of the tire 42 even while the motorcycle 10 (see FIG. 1) is running. By the way, the tire 42 is repeatedly subjected to vibrations from the road surface, and proper vibration damping measures are required to incorporate electronic circuits such as the pressure detection unit 54 and the transmission circuit unit 55 into the tire 42. Therefore, the pressure detector 5
4, the transmission circuit unit 55 and the battery 56 are collectively stored in a storage case 57, and the storage case 57 is made of rubber grommet 5.
It was fixed to the wheel rim 46 at 1.
【００１９】すなわち、圧力検知部５４、送信回路部５
５及び電池５６を収納ケース５７に一括収納し、この収
納ケース５７をゴム製のグロメット５１でホイールリム
４６に固定することで、圧力検知部５４、送信回路部５
５及び電池５６をタイヤ４２の振動から保護することが
できる。この結果、空気圧検知装置５０の耐久性の向上
を図ることができる。That is, the pressure detection unit 54 and the transmission circuit unit 5
5 and the battery 56 are collectively stored in the storage case 57, and the storage case 57 is fixed to the wheel rim 46 with the rubber grommet 51, so that the pressure detection unit 54 and the transmission circuit unit 5
5 and the battery 56 can be protected from the vibration of the tire 42. As a result, the durability of the air pressure detection device 50 can be improved.
【００２０】また、空気圧検知装置５０は、圧力検知部
５４、送信回路部５５及び電池５６を一括収納した収納
ケース５７をゴム製のグロメット５１でホイールリム４
６に固定するものなので、ホイールバランスを考慮しつ
つ設定位置を選ぶことができる。例えば、空気バルブ４
７の廻りに空気圧検知装置を構成する場合に比べ、重量
の分散をすることができる。この結果、ホイールバラン
スを大きく崩すことない。即ちホイールバランスを保つ
ことができる。Further, in the air pressure detection device 50, the wheel rim 4 is provided with a storage case 57 in which the pressure detection portion 54, the transmission circuit portion 55 and the battery 56 are collectively stored by a rubber grommet 51.
Since it is fixed to 6, the setting position can be selected while considering the wheel balance. For example, the air valve 4
The weight can be dispersed as compared with the case where the air pressure detection device is configured around 7. As a result, the wheel balance is not significantly disturbed. That is, the wheel balance can be maintained.
【００２１】図４は本発明に係るタイヤの空気圧検知装
置の表示・警報ユニットの平面図であり、ハンドル１５
に取付けたメータパネル３７の平面を示す。表示・警報
ユニット５９は、メータパネル３７に設けたものであっ
て、図３に示す検出・送信ユニット５２から送信した電
波を受信する受信回路６１と、この受信回路６１で受け
た信号を増幅する電圧増幅回路６２と、この電圧増幅回
路６２で増幅した電圧値に基いてタイヤ圧を表示するた
めの表示回路６３と、この表示回路６３で駆動する表示
手段６４と、電圧増幅回路６２で増幅した電圧値が予め
設定した電圧値を下回るときに作動させる警報駆動回路
６５と、この警報駆動回路６５で駆動する警報手段６６
と、これらの受信回路６１、電圧増幅回路６２、表示回
路６３、表示手段６４、警報駆動回路６５及び警報手段
６６を一括して収納するハウジング６７とからなる。FIG. 4 is a plan view of the display / warning unit of the tire air pressure detection device according to the present invention.
The flat surface of the meter panel 37 attached to FIG. The display / warning unit 59 is provided on the meter panel 37, and a receiving circuit 61 for receiving the radio wave transmitted from the detecting / transmitting unit 52 shown in FIG. 3 and a signal received by the receiving circuit 61 are amplified. A voltage amplifier circuit 62, a display circuit 63 for displaying tire pressure based on the voltage value amplified by the voltage amplifier circuit 62, a display means 64 driven by the display circuit 63, and a voltage amplifier circuit 62 for amplification. An alarm drive circuit 65 which is activated when the voltage value falls below a preset voltage value, and an alarm means 66 which is driven by the alarm drive circuit 65.
And a housing 67 for accommodating the receiving circuit 61, the voltage amplifying circuit 62, the display circuit 63, the display means 64, the alarm drive circuit 65 and the alarm means 66 together.
【００２２】以上に述べた空気圧検知装置５０の動作を
次に説明する。図５は本発明に係るタイヤの空気圧検知
装置のブロック図であり、圧力センサ５５でタイヤ圧を
検出し、検出回路５６で圧力情報を電気信号として取出
し、送信回路５７で表示・警報ユニット５３側に送信す
る。検出・送信ユニット５２から送信した電波を受信回
路６１で受信し、受信回路６１で受けた信号を電圧増幅
回路６２で増幅し、電圧増幅回路６２で増幅した電圧値
に基いてタイヤ圧を表示するために表示回路６３で所定
の信号に変換し、表示手段６４でタイヤ圧を表示する。
電圧増幅回路６２で増幅した電圧値が予め設定した電圧
値を下回るときに警報駆動回路６５を作動させ、警報手
段６６でタイヤ圧が不足した状態であることを知らせ
る。The operation of the air pressure detecting device 50 described above will be described below. FIG. 5 is a block diagram of a tire air pressure detection device according to the present invention, in which a tire pressure is detected by a pressure sensor 55, pressure information is taken out as an electric signal by a detection circuit 56, and a display / warning unit 53 side is sent by a transmission circuit 57. Send to. The reception circuit 61 receives the radio wave transmitted from the detection / transmission unit 52, the signal received by the reception circuit 61 is amplified by the voltage amplification circuit 62, and the tire pressure is displayed based on the voltage value amplified by the voltage amplification circuit 62. For this purpose, the display circuit 63 converts the signal into a predetermined signal, and the display means 64 displays the tire pressure.
When the voltage value amplified by the voltage amplifier circuit 62 falls below a preset voltage value, the alarm drive circuit 65 is activated, and the alarm means 66 informs that the tire pressure is insufficient.
【００２３】図６は本発明に係る第２実施の形態のタイ
ヤの空気圧検知装置の正面断面図である。なお、空気圧
検知装置５０（図３参照）と同一部品は同一符号を用い
詳細な説明を省略する。空気圧検知装置７０は、圧力検
知部５４、送信回路部５５及び電池５６を収納したを芯
金７２に挿入し、この芯金７２にプッシュナット７３を
差込むことで、グロメット６１に収納ケース７７を固定
するとともに、ホイールリム４６内周側に突出させたグ
ロメット６１及び芯金６２をカバー７４で覆うようにし
たものである。すなわち、空気圧検知装置７０は、ホイ
ールリム４６内周側に突出させたグロメット６１及び芯
金６２をカバー７４で覆うようにしたので、空気圧検知
装置７０の外観を向上させることができる。また、空気
圧検知装置７０は、芯金７２にプッシュナット７３を差
込むことで、グロメット６１に収納ケース７７を固定す
るようにしたので、組立性を向上させた構造であると言
える。FIG. 6 is a front sectional view of a tire air pressure detecting device according to a second embodiment of the present invention. The same parts as those of the air pressure detection device 50 (see FIG. 3) are designated by the same reference numerals, and detailed description thereof will be omitted. The air pressure detection device 70 inserts the pressure detection unit 54, the transmission circuit unit 55, and the battery 56, which are housed, into the cored bar 72, and inserts the push nut 73 into the cored bar 72, so that the storage case 77 is inserted into the grommet 61. The cover 74 covers the grommet 61 and the cored bar 62 which are fixed and are projected to the inner peripheral side of the wheel rim 46. That is, since the air pressure detection device 70 is configured to cover the grommet 61 and the cored bar 62 that are projected to the inner peripheral side of the wheel rim 46 with the cover 74, the appearance of the air pressure detection device 70 can be improved. Further, since the air pressure detection device 70 fixes the storage case 77 to the grommet 61 by inserting the push nut 73 into the cored bar 72, it can be said that the structure is improved in assemblability.
【００２４】図７は本発明に係る第３実施の形態のタイ
ヤの空気圧検知装置の正面断面図である。なお、空気圧
検知装置５０（図３参照）と同一部品は同一符号を用い
詳細な説明を省略する。空気圧検知装置８０は、ホイー
ルリム４６の内周に突出させるグロメット８１の上部に
収納ケースとしての電池収納部８１ａを形成し、この電
池収納部８１ａに電池５６を収納し、この電池５６を収
納済みのグロメット８１をホイールリム４６の開口４６
ａに取付け、グロメット８１にカバー８４を被せ、これ
らのカバー８４及びグロメット８１に芯金８２を通し、
圧力検知部５４及び送信回路部５５を収納した収納ケー
ス８７を芯金８２の先端から挿入し、芯金８２の先端に
プッシュナット８３を挿入したものである。FIG. 7 is a front sectional view of a tire air pressure detecting device according to a third embodiment of the present invention. The same parts as those of the air pressure detection device 50 (see FIG. 3) are designated by the same reference numerals, and detailed description thereof will be omitted. The air pressure detection device 80 has a battery storage portion 81a as a storage case formed on an upper portion of a grommet 81 that projects to the inner circumference of the wheel rim 46, stores the battery 56 in the battery storage portion 81a, and stores the battery 56. The grommet 81 of the opening 46 of the wheel rim 46
The cover 84 is attached to the grommet 81, and the core metal 82 is passed through the cover 84 and the grommet 81.
A storage case 87 accommodating the pressure detection unit 54 and the transmission circuit unit 55 is inserted from the tip of the cored bar 82, and a push nut 83 is inserted into the tip of the cored bar 82.
【００２５】すなわち、空気圧検知装置８０は、圧力検
知部５４及び送信回路部５５をホイールリム４６外周側
に且つタイヤ４２内に配置し、電池５６をホイールリム
４６内周側に且つタイヤ４２外に配置したものであると
言える。電池５６をホイールリム４６内周側に且つタイ
ヤ４２外に配置することで、電池５６のメンテナンスを
容易に行うことができる。この結果、タイヤ４２の空気
圧検知装置の保守管理の作業性の向上を図ることができ
る。また、圧力検知部５４及び送信回路部５５と電池５
６とを分割収納し、空気圧検知装置８０の構成部品を分
散させることで、防振効果の向上を図ることができる。That is, in the air pressure detection device 80, the pressure detection portion 54 and the transmission circuit portion 55 are arranged on the outer peripheral side of the wheel rim 46 and inside the tire 42, and the battery 56 is arranged on the inner peripheral side of the wheel rim 46 and outside the tire 42. It can be said that they are arranged. By disposing the battery 56 inside the wheel rim 46 and outside the tire 42, maintenance of the battery 56 can be easily performed. As a result, it is possible to improve the workability of maintenance management of the air pressure detection device for the tire 42. In addition, the pressure detection unit 54, the transmission circuit unit 55, and the battery 5
By separately storing 6 and 6 and dispersing the components of the air pressure detection device 80, the vibration isolation effect can be improved.
【００２６】図８（ａ），（ｂ）は本発明に係るタイヤ
の空気圧検知装置配置構造を示す車輪の側面図である。
（ａ）において、本発明に係るタイヤの空気圧検知装置
配置構造は、タイヤ４２の空気圧を圧力検知部５４（図
３参照）で検知し、この圧力検知部５４で検知した空気
圧を送信回路部５５（図３参照）で電気信号に変換して
送信し、これらの圧力検知部５４及び送信回路部５５に
電池５６（図３参照）から電力を供給する形式のタイヤ
の空気圧検知装置５０において、この空気圧検知装置５
０を、タイヤ４２の空気バルブ４７に対向させ（車軸２
４に対して空気圧検知装置５０を空気バルブ４７に対向
させて（１８０゜向きを変えて）配置したものである。
空気圧検知装置５０を、タイヤ４２の空気バルブ４７に
対向させ配置することで、空気バルブ４７の重量と空気
圧検知装置５０の重量とを分散させる。この結果、ホイ
ールバランスを良好に保つことができる。FIGS. 8 (a) and 8 (b) are side views of wheels showing a tire air pressure detection device arrangement structure according to the present invention.
In (a), in the tire air pressure detection device arrangement structure according to the present invention, the air pressure of the tire 42 is detected by the pressure detection unit 54 (see FIG. 3), and the air pressure detected by the pressure detection unit 54 is transmitted by the transmission circuit unit 55. In the tire air pressure detection device 50 of the type in which the electric signal is converted into an electric signal (see FIG. 3) and transmitted, and electric power is supplied from the battery 56 (see FIG. 3) to the pressure detection unit 54 and the transmission circuit unit 55. Air pressure detector 5
0 to the air valve 47 of the tire 42 (the axle 2
4, the air pressure detecting device 50 is arranged so as to face the air valve 47 (change the direction by 180 °).
By disposing the air pressure detection device 50 so as to face the air valve 47 of the tire 42, the weight of the air valve 47 and the weight of the air pressure detection device 50 are dispersed. As a result, good wheel balance can be maintained.
【００２７】（ｂ）において、本発明に係るタイヤの空
気圧検知装置配置構造は、空気圧検知装置５０を、空気
バルブ４７に対向する位置から左右６０゜の範囲に配置
しようとするものである。空気バルブ４７に対向する位
置から左右６０゜の範囲に空気圧検知装置５０を配置す
ることはホイールバランスを良好に保つ上での許容範囲
であり、空気圧検知装置５０の配置の自由度を広げるこ
とができる。In (b), the tire pressure detecting device arranging structure according to the present invention intends to arrange the air pressure detecting device 50 within a range of 60 ° to the left and right from the position facing the air valve 47. Arranging the air pressure detection device 50 within a range of 60 ° to the left and right from the position facing the air valve 47 is an allowable range for maintaining good wheel balance, and it is possible to widen the degree of freedom of arrangement of the air pressure detection device 50. it can.
【００２８】尚、実施の形態では図１に示すように、車
両は自動二輪車１０として説明したが、二輪車に限るも
のではなく、車両は四輪又は三輪車であってもよい。ま
た、実施の形態では図４に示すように、表示手段６４及
び警報手段６６をメータパネル３７に設けたが、これに
限るものではない。例えば、警報を発するものであれば
車体フレーム、ヘルメットなどに、バイブレーションを
利用するものであればシート、ヘルメットなどに設けた
ものであってもよい。なお、表示・警報ユニット５９
は、前輪１４（図１参照）のためのユニットとして説明
したが、後輪１８についても同時に表示・警報を行なう
ユニットであってもよい。Although the vehicle is described as the motorcycle 10 in the embodiment as shown in FIG. 1, the vehicle is not limited to the two-wheeled vehicle, and the vehicle may be a four-wheeled vehicle or a three-wheeled vehicle. Further, in the embodiment, as shown in FIG. 4, the display means 64 and the alarm means 66 are provided on the meter panel 37, but the present invention is not limited to this. For example, it may be provided on a vehicle body frame, a helmet or the like for issuing an alarm, and may be provided on a seat, a helmet or the like for utilizing vibration. The display / alarm unit 59
Has been described as a unit for the front wheels 14 (see FIG. 1), but the rear wheels 18 may also be a unit for displaying / warning at the same time.
【００２９】さらに、実施の形態では図３に示すように
芯金５２に送信回路部５５から圧力情報を表示・警報ユ
ニット６１に発信するアンテナ機能を持たせたが、これ
に限るものではなく、圧力検知部５４、送信回路部５５
及び電池５６を外部から操作するための機能を持たせた
ものであってもよい。Furthermore, in the embodiment, as shown in FIG. 3, the cored bar 52 is provided with an antenna function for transmitting pressure information from the transmission circuit section 55 to the display / alarm unit 61, but the present invention is not limited to this. Pressure detection unit 54, transmission circuit unit 55
Alternatively, the battery 56 may be provided with a function for operating from the outside.
【００３０】[0030]
【発明の効果】本発明は上記構成により次の効果を発揮
する。請求項１では、圧力検知部、送信回路部及び電池
を一括収納する収納ケースと、この収納ケースをホイー
ルリムに固定するゴム製のグロメットとから構成したの
で、圧力検知部、送信回路部及び電池をタイヤの振動か
ら保護することができる。この結果、タイヤの空気圧検
知装置の耐久性の向上を図ることができる。また、圧力
検知部、送信回路部及び電池を一括収納した収納ケース
をゴム製のグロメットでホイールリムに固定するように
したものなので、ホイールバランスを考慮しつつ設定位
置を選ぶことができる。この結果、ホイールバランスを
大きく崩すことない。即ちホイールバランスを保つこと
ができる。The present invention has the following effects due to the above configuration. According to the first aspect of the present invention, the pressure detection unit, the transmission circuit unit and the battery are collectively contained, and the rubber grommet for fixing the storage case to the wheel rim is used. Therefore, the pressure detection unit, the transmission circuit unit and the battery are provided. Can be protected from tire vibration. As a result, the durability of the tire air pressure detection device can be improved. Moreover, since the storage case that stores the pressure detection unit, the transmission circuit unit, and the battery all together is fixed to the wheel rim by the rubber grommet, the setting position can be selected while considering the wheel balance. As a result, the wheel balance is not significantly disturbed. That is, the wheel balance can be maintained.
【００３１】請求項２では、圧力検知部及び送信回路部
をホイールリム外周側に且つタイヤ内に配置し、電池を
ホイールリム内周側に且つタイヤ外に配置したので、電
池のメンテナンスを容易に行うことができる。この結
果、タイヤの空気圧検知装置の保守管理の作業性の向上
を図ることができる。According to the present invention, the pressure detecting portion and the transmitting circuit portion are arranged on the wheel rim outer peripheral side and inside the tire, and the battery is arranged on the wheel rim inner peripheral side and outside the tire. Therefore, maintenance of the battery is facilitated. It can be carried out. As a result, the workability of maintenance and management of the tire air pressure detection device can be improved.
【００３２】請求項３では、空気圧検知装置を、タイヤ
の空気バルブに対向させ配置したので、空気バルブの重
量と空気圧検知装置の重量とを分散図ることができる。
この結果、ホイールバランスを良好に保つことができ
る。According to the third aspect of the invention, since the air pressure detecting device is arranged so as to face the air valve of the tire, the weight of the air valve and the weight of the air pressure detecting device can be distributed.
As a result, good wheel balance can be maintained.
【００３３】請求項４では、空気圧検知装置を、空気バ
ルブに対向する位置から左右６０゜の範囲に配置した。
空気バルブに対向する位置から左右６０゜の範囲に空気
圧検知装置を配置することはホイールバランスを良好に
保つ上での許容範囲であり、空気圧検知装置の自由度を
広げることができる。In the fourth aspect, the air pressure detecting device is arranged in the range of 60 ° to the left and right from the position facing the air valve.
Arranging the air pressure detecting device in the range of 60 ° to the left and right from the position facing the air valve is an allowable range for maintaining good wheel balance, and the flexibility of the air pressure detecting device can be expanded.
【図１】本発明に係るタイヤの空気圧検知装置を搭載し
た自動二輪車の側面図FIG. 1 is a side view of a motorcycle equipped with a tire air pressure detection device according to the present invention.
【図２】本発明に係るタイヤの空気圧検知装置を搭載し
た自動二輪車のフロント廻りの側面図FIG. 2 is a side view of a front part of a motorcycle equipped with a tire air pressure detection device according to the present invention.
【図３】図２の３−３線断面図3 is a sectional view taken along line 3-3 of FIG.
【図４】本発明に係るタイヤの空気圧検知装置の表示・
警報ユニットの平面図FIG. 4 is a display of a tire pressure detection device according to the present invention.
Top view of alarm unit
【図５】本発明に係るタイヤの空気圧検知装置のブロッ
ク図FIG. 5 is a block diagram of a tire air pressure detection device according to the present invention.
【図６】本発明に係る第２実施の形態のタイヤの空気圧
検知装置の正面断面図FIG. 6 is a front sectional view of a tire air pressure detection device according to a second embodiment of the present invention.
【図７】本発明に係る第３実施の形態のタイヤの空気圧
検知装置の正面断面図FIG. 7 is a front sectional view of a tire air pressure detection device according to a third embodiment of the present invention.
【図８】本発明に係るタイヤの空気圧検知装置配置構造
を示す車輪の側面図FIG. 8 is a side view of a wheel showing a tire air pressure detection device arrangement structure according to the present invention.
４２…タイヤ、４６…ホイールリム、４７…空気バル
ブ、５０，７０，８０…空気圧検出装置、５１，７１，
８１…グロメット、５４…圧力検知部、５５…送信回路
部、５６…電池、５７，７７，８７…収納ケース、８１
ａ…収納ケース（電池収納部）。42 ... Tire, 46 ... Wheel rim, 47 ... Air valve, 50, 70, 80 ... Air pressure detection device, 51, 71,
81 ... Grommet, 54 ... Pressure detection part, 55 ... Transmission circuit part, 56 ... Battery, 57, 77, 87 ... Storage case, 81
a ... Storage case (battery storage section).
フロントページの続き Ｆターム(参考） 2F055 AA12 BB20 CC60 DD20 EE40 FF31 FF34 FF45 FF49 GG43 HH11 Continued front page F term (reference) 2F055 AA12 BB20 CC60 DD20 EE40 FF31 FF34 FF45 FF49 GG43 HH11
Claims (4)
と、この圧力検知部で検知した空気圧を電気信号に変換
して送信する送信回路部と、これらの圧力検知部及び送
信回路部に電力を供給する電池と、これらの圧力検知
部、送信回路部及び電池を一括収納する収納ケースと、
この収納ケースをホイールリムに固定するゴム製のグロ
メットとからなるタイヤの空気圧検知装置。1. A pressure detection unit for detecting a tire air pressure, a transmission circuit unit for converting the air pressure detected by the pressure detection unit into an electric signal and transmitting the electric signal, and supplying electric power to the pressure detection unit and the transmission circuit unit. A battery to be supplied, and a storage case that collectively stores the pressure detection unit, the transmission circuit unit, and the battery,
A tire air pressure detection device comprising a rubber grommet for fixing this storage case to a wheel rim.
ホイールリム外周側に且つ前記タイヤ内に配置し、前記
電池を、前記ホイールリム内周側に且つ前記タイヤ外に
配置したことを特徴とする請求項１記載のタイヤの空気
圧検知装置。2. The pressure detection unit and the transmission circuit unit are arranged on the outer peripheral side of the wheel rim and inside the tire, and the battery is arranged on the inner peripheral side of the wheel rim and outside the tire. The tire air pressure detection device according to claim 1.
この圧力検知部で検知した空気圧を送信回路部で電気信
号に変換して送信し、これらの圧力検知部及び送信回路
部に電池から電力を供給する形式のタイヤの空気圧検知
装置において、 この空気圧検知装置を、前記タイヤの空気バルブに対向
させ配置したことを特徴とするタイヤの空気圧検知装置
配置構造。3. A tire pressure is detected by a pressure detector,
In the tire air pressure detection device of the type in which the air pressure detected by this pressure detection unit is converted into an electric signal by the transmission circuit unit and transmitted, and electric power is supplied from the battery to these pressure detection unit and transmission circuit unit. A tire air pressure detection device arrangement structure, characterized in that the device is arranged so as to face the air valve of the tire.
に対向する位置から左右６０゜の範囲に配置したことを
特徴とする請求項３記載のタイヤの空気圧検知装置配置
構造。4. The tire air pressure detection device arranging structure according to claim 3, wherein the air pressure detection device is arranged in a range of 60 ° to the left and right from a position facing the air valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001189270A JP4620292B2 (en) | 2001-06-22 | 2001-06-22 | Tire pressure detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001189270A JP4620292B2 (en) | 2001-06-22 | 2001-06-22 | Tire pressure detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003002018A true JP2003002018A (en) | 2003-01-08 |
| JP4620292B2 JP4620292B2 (en) | 2011-01-26 |
Family
ID=19028225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001189270A Expired - Fee Related JP4620292B2 (en) | 2001-06-22 | 2001-06-22 | Tire pressure detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4620292B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006062638A (en) * | 2004-07-30 | 2006-03-09 | Toyota Motor Corp | Wheel |
| DE102005035183B4 (en) * | 2004-07-28 | 2009-04-09 | Lear Corp., Southfield | Customizable mounting of a tire monitoring assembly |
| JP2022090653A (en) * | 2016-01-29 | 2022-06-17 | 株式会社半導体エネルギー研究所 | Wheel and mobile body |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1044726A (en) * | 1996-08-06 | 1998-02-17 | Pacific Ind Co Ltd | Tire air pressure alarming device |
| JP2000289418A (en) * | 1999-03-30 | 2000-10-17 | Ton Ii Hoan | Power supply for built-in type tire pressure sensor |
| WO2000074958A1 (en) * | 1999-06-02 | 2000-12-14 | Pirelli Pneumatici S.P.A. | System for checking the air pressure in the tyres of a motor vehicle |
-
2001
- 2001-06-22 JP JP2001189270A patent/JP4620292B2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1044726A (en) * | 1996-08-06 | 1998-02-17 | Pacific Ind Co Ltd | Tire air pressure alarming device |
| JP2000289418A (en) * | 1999-03-30 | 2000-10-17 | Ton Ii Hoan | Power supply for built-in type tire pressure sensor |
| WO2000074958A1 (en) * | 1999-06-02 | 2000-12-14 | Pirelli Pneumatici S.P.A. | System for checking the air pressure in the tyres of a motor vehicle |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005035183B4 (en) * | 2004-07-28 | 2009-04-09 | Lear Corp., Southfield | Customizable mounting of a tire monitoring assembly |
| JP2006062638A (en) * | 2004-07-30 | 2006-03-09 | Toyota Motor Corp | Wheel |
| JP4569309B2 (en) * | 2004-07-30 | 2010-10-27 | トヨタ自動車株式会社 | Wheel |
| US8040228B2 (en) | 2004-07-30 | 2011-10-18 | Toyota Jidosha Kabushiki Kaisha | Tire/wheel assembly |
| JP2022090653A (en) * | 2016-01-29 | 2022-06-17 | 株式会社半導体エネルギー研究所 | Wheel and mobile body |
| US11951769B2 (en) | 2016-01-29 | 2024-04-09 | Semiconductor Energy Laboratory Co., Ltd. | Electric power control system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4620292B2 (en) | 2011-01-26 |
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