JPS63155705U - - Google Patents
Info
- Publication number
- JPS63155705U JPS63155705U JP4749887U JP4749887U JPS63155705U JP S63155705 U JPS63155705 U JP S63155705U JP 4749887 U JP4749887 U JP 4749887U JP 4749887 U JP4749887 U JP 4749887U JP S63155705 U JPS63155705 U JP S63155705U
- Authority
- JP
- Japan
- Prior art keywords
- pressure sensor
- air pressure
- tire
- display element
- lower limit
- 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Description
第１図乃至第３図は本考案の第１の実施例を示
すもので、第１図は一部破断した正面図、第２図
は要部の拡大正面図、第３図は電気的構成を示す
結線図である。また、第４図は本考案の第２の実
施例を示す第２図相当図である。
図面、１はタイヤホイール、２はタイヤ、３，
８はエレクトロクロミツク表示素子、４は圧力（
圧力センサ）、５は二次電池、６は発電装置を示
す。
Figures 1 to 3 show the first embodiment of the present invention, with Figure 1 being a partially cutaway front view, Figure 2 being an enlarged front view of the main parts, and Figure 3 being the electrical configuration. FIG. Further, FIG. 4 is a diagram corresponding to FIG. 2 showing a second embodiment of the present invention. Drawing, 1 is tire wheel, 2 is tire, 3,
8 is an electrochromic display element, 4 is a pressure (
(pressure sensor), 5 is a secondary battery, and 6 is a power generator.
Claims (1)
れたエレクトロクロミツク表示素子と、前記タイ
ヤホイールに前記エレクトロクロミツク表示素子
の電源として設けられた二次電池と、前記タイヤ
ホイールに前記二次電池への充電用として設けら
れた発電装置と、タイヤの空気圧を検出するよう
に設けられその検出空気圧が予め設定された下限
レベル以下となつたときに前記エレクトロクロミ
ツク表示素子に通電してこれを表示状態に切換え
る圧力センサとを備えたことを特徴とする車両用
タイヤの空気圧報知装置。 ２ 圧力センサは、検出空気圧が設定下限レベル
以下となつたときにオンする常開形の圧力スイツ
チにより構成されていることを特徴とする実用新
案登録請求の範囲第１項に記載の車両用タイヤの
空気圧報知装置。 ３ エレクトロクロミツク表示素子は複数の表示
領域を有し、圧力センサは、検出空気圧が複数段
階に設定された各下限レベル以下になる毎に前記
表示領域を順次表示状態に切換えるように構成さ
れていることを特徴とする実用新案登録請求の範
囲第１項に記載の車両用タイヤの空気圧報知装置
。[Claims for Utility Model Registration] 1. An electrochromic display element provided on a tire wheel so as to be visible from the outside, a secondary battery provided on the tire wheel as a power source for the electrochromic display element, and the tire a power generating device installed in the wheel for charging the secondary battery; and an electrochromic display element installed to detect the air pressure of the tire, when the detected air pressure falls below a preset lower limit level. A pressure sensor for a vehicle tire, comprising: a pressure sensor that switches the pressure sensor to a display state by energizing the pressure sensor. 2. The vehicle tire according to claim 1, wherein the pressure sensor is comprised of a normally open pressure switch that is turned on when the detected air pressure falls below a set lower limit level. Air pressure alarm device. 3. The electrochromic display element has a plurality of display areas, and the pressure sensor is configured to sequentially switch the display areas to a display state each time the detected air pressure falls below each lower limit level set in multiple stages. A vehicle tire air pressure informing device according to claim 1 of the utility model registration claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4749887U JPS63155705U (en) | 1987-03-30 | 1987-03-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4749887U JPS63155705U (en) | 1987-03-30 | 1987-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63155705U true JPS63155705U (en) | 1988-10-13 |
Family
ID=30868160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4749887U Pending JPS63155705U (en) | 1987-03-30 | 1987-03-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63155705U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030080569A (en) * | 2002-04-09 | 2003-10-17 | (주)델텍 | Tire monitor system of a vehicle |
-
1987
- 1987-03-30 JP JP4749887U patent/JPS63155705U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030080569A (en) * | 2002-04-09 | 2003-10-17 | (주)델텍 | Tire monitor system of a vehicle |