JPS6159472U - - Google Patents
Info
- Publication number
- JPS6159472U JPS6159472U JP14542284U JP14542284U JPS6159472U JP S6159472 U JPS6159472 U JP S6159472U JP 14542284 U JP14542284 U JP 14542284U JP 14542284 U JP14542284 U JP 14542284U JP S6159472 U JPS6159472 U JP S6159472U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- drive
- intermittent
- motor
- 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
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Control Of Direct Current Motors (AREA)
Description
第１図は本考案の第一の実施例になるワイパ駆
動装置の全体構成を示すブロツク図、第２図は小
雨状態の信号波形を示す波形図、第３図は雨量が
多い場合の波形図、第４図は具体構成を示す回路
図であり、第５図は第二の実施例を示す回路図で
ある。
Ａ…センサ部、Ｂ…ＦＦ回路、Ｃ…積分回路、
Ｄ…カムスイツチ、Ｅ…モータ間欠駆動回路、Ｆ
…基準電圧、Ｇ…比較回路、Ｈ…速度比例電圧検
知回路、…比較回路、Ｊ…モータ駆動回路、Ｋ
…可変速度ブラシ切替回路、Ｌ…リレー、Ａ１…
圧電素子、Ａ２…ハイパスフイルタ、Ａ３…増幅
回路、Ａ４…比較回路、Ｗ／ＷＭ…ウオツシヤモ
ータ、Ｔ…タイマ回路、８…ウオツシヤスイツチ
、９…オア回路。
Fig. 1 is a block diagram showing the overall configuration of a wiper drive device according to the first embodiment of the present invention, Fig. 2 is a waveform diagram showing signal waveforms in light rain, and Fig. 3 is a waveform diagram in heavy rain. , FIG. 4 is a circuit diagram showing a specific configuration, and FIG. 5 is a circuit diagram showing a second embodiment. A...sensor section, B...FF circuit, C...integrator circuit,
D...Cam switch, E...Motor intermittent drive circuit, F
...Reference voltage, G...Comparison circuit, H...Speed proportional voltage detection circuit, ...Comparison circuit, J...Motor drive circuit, K
...Variable speed brush switching circuit, L...Relay, A1 ...
Piezoelectric element, A2 ...high pass filter, A3 ...amplifier circuit, A4 ...comparison circuit, W/WM...washer motor, T...timer circuit, 8...watcher switch, 9...OR circuit.
Claims (1)
ンサ手段、前記電気信号の低周波域を除却するハ
イパスフイルタ、このハイパスフイルタの出力を
増幅する増幅回路、およびこの増幅回路の出力を
基準電圧と比較する第一の比較回路を備えるセン
サ部と、 前記センサ部の出力と、ワイパモータに連動す
るカムスイツチからの信号とにより間欠休止時間
を変化させるフリツプフロツプ回路、およびこの
フリツプフロツプ回路の出力により作動されるモ
ータ間欠駆動回路を備えるワイパモータ間欠駆動
手段と、 前記センサ部からの出力信号を積分する積分回
路、この積分回路からの出力信号とワイパモータ
の回転数に応じて発生する電圧とを比較する第二
の比較回路、およびこの第二の比較回路により制
御されるモータ駆動回路を備える速度可変連続駆
動回路と、 前記積分回路の出力信号を基準電圧と比較する
第三の比較回路、この第三の比較回路の出力によ
りワイパモータの間欠駆動と連続駆動の切り換え
を行うスイツチ手段とを 備えることを特徴とする全自動ワイパ駆動装置。 (2) 前記フリツプフロツプ回路と、前記モータ
間欠駆動回路との間に、ウオツシヤスイツチに接
続されたタイマ回路の出力と前記フリツプフロツ
プ回路の出力とが入力されるオア回路を設けたこ
とを特徴とする全自動ワイパ駆動装置。[Claims for Utility Model Registration] (1) Sensor means for detecting falling rain and converting it into an electrical signal, a high-pass filter for eliminating the low frequency range of the electrical signal, an amplifier circuit for amplifying the output of the high-pass filter, a sensor unit including a first comparison circuit that compares the output of the amplifier circuit with a reference voltage; a flip-flop circuit that changes the intermittent pause time based on the output of the sensor unit and a signal from a cam switch linked to the wiper motor; wiper motor intermittent drive means comprising an intermittent motor drive circuit operated by the output of the flip-flop circuit; an integrator circuit that integrates the output signal from the sensor unit; a second comparator circuit that compares the output signal of the integrating circuit with a reference voltage, and a variable speed continuous drive circuit that includes a motor drive circuit that is controlled by the second comparator circuit; A fully automatic wiper drive device comprising a comparison circuit and a switch means for switching between intermittent drive and continuous drive of the wiper motor based on the output of the third comparison circuit. (2) An OR circuit is provided between the flip-flop circuit and the motor intermittent drive circuit, into which the output of a timer circuit connected to a watch switch and the output of the flip-flop circuit are input. Fully automatic wiper drive device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14542284U JPH0226762Y2 (en) | 1984-09-26 | 1984-09-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14542284U JPH0226762Y2 (en) | 1984-09-26 | 1984-09-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6159472U true JPS6159472U (en) | 1986-04-22 |
| JPH0226762Y2 JPH0226762Y2 (en) | 1990-07-20 |
Family
ID=30703676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14542284U Expired JPH0226762Y2 (en) | 1984-09-26 | 1984-09-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0226762Y2 (en) |
-
1984
- 1984-09-26 JP JP14542284U patent/JPH0226762Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0226762Y2 (en) | 1990-07-20 |
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