JPH0464791U - - Google Patents
Info
- Publication number
- JPH0464791U JPH0464791U JP10785390U JP10785390U JPH0464791U JP H0464791 U JPH0464791 U JP H0464791U JP 10785390 U JP10785390 U JP 10785390U JP 10785390 U JP10785390 U JP 10785390U JP H0464791 U JPH0464791 U JP H0464791U
- Authority
- JP
- Japan
- Prior art keywords
- circuit board
- control system
- drive control
- printed circuit
- piezoelectric element
- 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
- 230000003321 amplification Effects 0.000 claims 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims 4
- 239000003990 capacitor Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Description
第１図および第２図はそれぞれこの考案に係わ
る雨滴センサの一実施例を示す側面方向からの断
面説明図および正面方向からの断面説明図、第３
図は第１図に示す雨滴センサの分解斜視説明図、
第４図は従来の雨滴センサを示す側面方向からの
断面説明図である。
１……雨滴センサ、２……振動板、３……圧電
素子、４……増幅部、５，６……電解コンデンサ
（保護素子）、７……シールドケース、８……集
積回路基板、８ａ……入力端子、８ｂ……出力端
子、９……圧電素子出力用プリント基板、９ａ…
…出力側配線パターン、１０……駆動制御系入力
用プリント基板、１０ａ……入力側配線パターン
。
FIG. 1 and FIG. 2 are a cross-sectional explanatory view from the side and a cross-sectional explanatory view from the front, showing one embodiment of the raindrop sensor according to this invention, respectively, and FIG.
The figure is an exploded perspective view of the raindrop sensor shown in Figure 1.
FIG. 4 is an explanatory cross-sectional view from the side showing a conventional raindrop sensor. DESCRIPTION OF SYMBOLS 1... Raindrop sensor, 2... Vibration plate, 3... Piezoelectric element, 4... Amplifying section, 5, 6... Electrolytic capacitor (protective element), 7... Shield case, 8... Integrated circuit board, 8a ...Input terminal, 8b...Output terminal, 9...Piezoelectric element output printed circuit board, 9a...
...output side wiring pattern, 10...drive control system input printed circuit board, 10a...input side wiring pattern.
Claims (1)
気信号を増幅してワイパ駆動制御系に出力する増
幅部と、前記電気信号を妨害電流から保護する保
護素子と、前記増幅部および保護素子を外乱から
守るシールドケースを備えた雨滴センサにおいて
、 前記増幅部および保護素子を同一の集積回路基
板上に設けて前記集積回路基板の入力端子と出力
端子を当該集積回路基板の相対する端部に各々配
置し、前記入力端子および出力端子にそれぞれ前
記圧電素子の出力側配線パターンを有した圧電素
子出力用プリント基板および前記ワイパ駆動制御
系の入力側配線パターンを有した駆動制御系入力
用プリント基板を接続すると共に、前記圧電素子
出力用プリント基板および駆動制御系入力用プリ
ント基板の各アース側同士を前記シールドケース
で接続したことを特徴とする雨滴センサ。[Claims for Utility Model Registration] An amplification unit that amplifies an electric signal generated in a piezoelectric element due to collision of raindrops and outputs the amplified signal to a wiper drive control system, a protection element that protects the electric signal from interference current, and the amplification unit. In the raindrop sensor equipped with a shield case that protects the amplification section and the protection element from external disturbances, the amplification section and the protection element are provided on the same integrated circuit board, and the input terminal and the output terminal of the integrated circuit board are connected relative to each other on the integrated circuit board. a piezoelectric element output printed circuit board having an output side wiring pattern of the piezoelectric element at the input terminal and an output terminal thereof, and a drive control system having an input side wiring pattern of the wiper drive control system; A raindrop sensor characterized in that an input printed circuit board is connected, and the ground sides of the piezoelectric element output printed circuit board and the drive control system input printed circuit board are connected to each other by the shield case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10785390U JPH0648455Y2 (en) | 1990-10-15 | 1990-10-15 | Raindrop sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10785390U JPH0648455Y2 (en) | 1990-10-15 | 1990-10-15 | Raindrop sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0464791U true JPH0464791U (en) | 1992-06-03 |
| JPH0648455Y2 JPH0648455Y2 (en) | 1994-12-12 |
Family
ID=31854557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10785390U Expired - Lifetime JPH0648455Y2 (en) | 1990-10-15 | 1990-10-15 | Raindrop sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0648455Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005504298A (en) * | 2001-09-24 | 2005-02-10 | ヴァイサラ オーワイジェー | Precipitation / hail sensor and method for precipitation measurement |
-
1990
- 1990-10-15 JP JP10785390U patent/JPH0648455Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005504298A (en) * | 2001-09-24 | 2005-02-10 | ヴァイサラ オーワイジェー | Precipitation / hail sensor and method for precipitation measurement |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0648455Y2 (en) | 1994-12-12 |
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