JPS5923749A - Wiper control device - Google Patents
Wiper control deviceInfo
- Publication number
- JPS5923749A JPS5923749A JP57134368A JP13436882A JPS5923749A JP S5923749 A JPS5923749 A JP S5923749A JP 57134368 A JP57134368 A JP 57134368A JP 13436882 A JP13436882 A JP 13436882A JP S5923749 A JPS5923749 A JP S5923749A
- Authority
- JP
- Japan
- Prior art keywords
- wiper
- circuit
- driver
- detected
- becomes high
- 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
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
- B60S1/08—Wipers or the like, e.g. scrapers characterised by the drive electrically driven
- B60S1/0818—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は降雨を検知し自動的にワイパを動作させるワイ
パ制御装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a wiper control device that detects rain and automatically operates wipers.
この主の自動ワイパ制御装置はいくつか提案されている
。こうした自動ワイパ制御装置において自動洗車機で自
動車を洗う場合、運転者不在のまま、キースイッチをオ
ンして洗車することがあるが、降雨の検知器は降雨と水
洗とを区別することができず、そのため動作したワイパ
がブラシによって破損させられるおそれが生じる。Several automatic wiper control devices have been proposed. When washing a car at an automatic car wash using such an automatic wiper control device, the key switch may be turned on and the car washed without the driver present, but the rainfall detector cannot distinguish between rain and water washing. Therefore, there is a risk that the wiper may be damaged by the brush.
本発明は、洗車の際の上記の問題を解消した自動ワイパ
制御装置を提供することを目的とする。SUMMARY OF THE INVENTION An object of the present invention is to provide an automatic wiper control device that solves the above-mentioned problems during car washing.
本発明の一実施例を示す添付図において、符号１は雨滴
センサで、例えば前面ガラスに付着した雨滴による光透
過特性の変化を検出するタイプのものである。２は増幅
器で、雨滴センサ１の信号ね増幅し、比較器３に付与す
る。比較器３は増幅器２からの出力電圧を所定゛の基準
電圧Ｖｓと比較し、降雨の有無を判定する。In the accompanying drawings showing an embodiment of the present invention, reference numeral 1 denotes a raindrop sensor, which is of a type that detects changes in light transmission characteristics due to raindrops adhering to a front glass, for example. Reference numeral 2 denotes an amplifier which amplifies the signal from the raindrop sensor 1 and applies it to the comparator 3. The comparator 3 compares the output voltage from the amplifier 2 with a predetermined reference voltage Vs, and determines the presence or absence of rain.
４は感圧スイッチで、運転席に配置され、運転者が乗車
していると例えば閉じるように構成されている。５はチ
ャタリング防止回路で例えばＣ−Ｒ時定数回路からなる
。６はＡＮＤ回路で、比較器３の出力信号とチャタリン
グ防止回路５の出力信号との論理積に対応した出力信号
を生じる。７Ｆワイパ駆動回路でＡＮＤ回路６の出力信
号に応答してワイパモータ８を動作させる。Reference numeral 4 denotes a pressure-sensitive switch, which is arranged in the driver's seat and is configured to close, for example, when the driver is in the vehicle. Reference numeral 5 denotes a chattering prevention circuit consisting of, for example, a C-R time constant circuit. 6 is an AND circuit which generates an output signal corresponding to the logical product of the output signal of the comparator 3 and the output signal of the chattering prevention circuit 5. The 7F wiper drive circuit operates the wiper motor 8 in response to the output signal of the AND circuit 6.
上記の構成において、図示しないキースイッチの投入に
より、各回路に作動電圧が印加され、装置は動作可能状
態になる。もし前面ガラスに水滴が付着すると、雨滴セ
ンサ１において、水滴のために生じる乱反射によってそ
の出力信号のレベルが低下し、比較器３の出力はハイレ
ベルとなる。In the above configuration, when a key switch (not shown) is turned on, an operating voltage is applied to each circuit, and the device becomes ready for operation. If water droplets adhere to the front glass, the level of the output signal of the raindrop sensor 1 decreases due to diffuse reflection caused by the water droplets, and the output of the comparator 3 becomes high level.
この時、運転者が乗車し、感圧スイッチが閉じていると
、ＡＮＤ回路６の他方の入力端子もハイレベルとなるの
で、ＡＮＤ回路６の出力はハイレベルとなる。このため
、ワイパ駆動回路７はハイレベルを受けてワイパモータ
８を駆動する。もしこの場合が水洗中であったとすると
、運転者はワイパの自動作動スイッチあるいはキースイ
ッチを開くなどの処置により、ワイパの動作を直ちにに
停止することができる。At this time, if the driver gets on the vehicle and the pressure-sensitive switch is closed, the other input terminal of the AND circuit 6 also goes high, so the output of the AND circuit 6 goes high. Therefore, the wiper drive circuit 7 receives the high level and drives the wiper motor 8. In this case, if the wiper is being washed with water, the driver can immediately stop the wiper operation by opening the wiper's automatic operation switch or key switch.
一方、雨滴センサ１により、水滴が検知れた場合で、運
転者が乗車していない場合、感圧スイッチ４が開かれて
いるので、ＡＮＤ回路の論理条Ｐ［は成立せず、その出
力はローレベルであるから、ワイパ駆動回路７はワイパ
モータ８を動作させない。なお、雨滴センサ１により水
滴を検知しない場合にＡＮＤ回路６の論理条件が成立セ
す、ワイパモータ８が動作しないことはいうまでもない
。On the other hand, when water droplets are detected by the raindrop sensor 1 and the driver is not in the vehicle, the pressure-sensitive switch 4 is open, so the logical condition P of the AND circuit does not hold, and its output is Since the level is low, the wiper drive circuit 7 does not operate the wiper motor 8. It goes without saying that when the raindrop sensor 1 does not detect waterdrops, the logical condition of the AND circuit 6 is satisfied and the wiper motor 8 does not operate.
なお、本発明の実施に際して、運転者を検出する手段は
、感圧スイッチに限らず他の物を使用することは、必要
により選択できる事項である。In carrying out the present invention, the means for detecting the driver is not limited to the pressure-sensitive switch, and the use of other means can be selected as necessary.
以上のように本発明によれば、水洗の際にワイパが非所
望に動作することが防止される効果がある。As described above, the present invention has the effect of preventing the wiper from operating undesirably during washing.
添付図面は本発明の一実施例を示すブロック線図である
。
■・・・雨滴センサ、２・・・増幅器、３・・・比較器
、４・・・感圧スイッチ、６・・・ＡＮＤ回路、７・・
・ワイパ駆動回路、８・・・ワイパモータ。
代理人弁理士 岡 部 隆The accompanying drawings are block diagrams illustrating one embodiment of the present invention. ■... Raindrop sensor, 2... Amplifier, 3... Comparator, 4... Pressure sensitive switch, 6... AND circuit, 7...
- Wiper drive circuit, 8... wiper motor. Representative Patent Attorney Takashi Okabe
Claims (1)
置において、運転者の乗車有無を検出する手段を備え、
運転者が乗車していない場合には降雨を検知してもワイ
パを動作させない構成としたワイパ制御装置。A wiper control device that detects rain and automatically operates the wiper is equipped with a means for detecting whether or not a driver is riding,
A wiper control device configured so that the wiper does not operate even if rain is detected when a driver is not in the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57134368A JPS5923749A (en) | 1982-07-30 | 1982-07-30 | Wiper control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57134368A JPS5923749A (en) | 1982-07-30 | 1982-07-30 | Wiper control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5923749A true JPS5923749A (en) | 1984-02-07 |
| JPH0344935B2 JPH0344935B2 (en) | 1991-07-09 |
Family
ID=15126739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57134368A Granted JPS5923749A (en) | 1982-07-30 | 1982-07-30 | Wiper control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5923749A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6282865U (en) * | 1985-11-14 | 1987-05-27 | ||
| JPS6330260U (en) * | 1986-08-12 | 1988-02-27 | ||
| US10071708B2 (en) | 2017-02-14 | 2018-09-11 | Ford Global Technologies, Llc | Controller for vehicle wiper system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51112825U (en) * | 1975-03-11 | 1976-09-13 | ||
| JPS55106150U (en) * | 1979-01-19 | 1980-07-24 | ||
| JPS5628032A (en) * | 1979-08-16 | 1981-03-19 | Niles Parts Co Ltd | Wiper driving device |
| JPS5769746U (en) * | 1980-10-16 | 1982-04-27 | ||
| JPS57107652U (en) * | 1980-12-24 | 1982-07-02 |
-
1982
- 1982-07-30 JP JP57134368A patent/JPS5923749A/en active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51112825U (en) * | 1975-03-11 | 1976-09-13 | ||
| JPS55106150U (en) * | 1979-01-19 | 1980-07-24 | ||
| JPS5628032A (en) * | 1979-08-16 | 1981-03-19 | Niles Parts Co Ltd | Wiper driving device |
| JPS5769746U (en) * | 1980-10-16 | 1982-04-27 | ||
| JPS57107652U (en) * | 1980-12-24 | 1982-07-02 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6282865U (en) * | 1985-11-14 | 1987-05-27 | ||
| JPS6330260U (en) * | 1986-08-12 | 1988-02-27 | ||
| US10071708B2 (en) | 2017-02-14 | 2018-09-11 | Ford Global Technologies, Llc | Controller for vehicle wiper system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0344935B2 (en) | 1991-07-09 |
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