JPS6178984A - Power window safety apparatus - Google Patents
Power window safety apparatusInfo
- Publication number
- JPS6178984A JPS6178984A JP59201001A JP20100184A JPS6178984A JP S6178984 A JPS6178984 A JP S6178984A JP 59201001 A JP59201001 A JP 59201001A JP 20100184 A JP20100184 A JP 20100184A JP S6178984 A JPS6178984 A JP S6178984A
- Authority
- JP
- Japan
- Prior art keywords
- window
- motor
- current
- limit value
- 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.)
- Granted
Links
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
- Protection Of Generators And Motors (AREA)
- Control Of Direct Current Motors (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は車両等の窓（以下ウィンドウと称する）の自動
開閉機構（以下パワーウィンドウと称する）における安
全装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a safety device in an automatic opening/closing mechanism (hereinafter referred to as a power window) of a window (hereinafter referred to as a window) of a vehicle or the like.
従来より車両等のウィンドウを運転席より操作して自動
開閉するパワーウィンドウが普及している。このパワー
ウィンドウはスイッチ操作によりウィンドウの開閉動作
を行うもので、閉動作中同乗者の手等が挟まれた時には
該パワーウィンドウを開操作して該ウィンドウを開く処
置が必要である。2. Description of the Related Art Power windows, which automatically open and close vehicle windows by operating them from the driver's seat, have been widely used. This power window opens and closes by operating a switch, and if a passenger's hand or the like gets caught during the closing operation, it is necessary to open the power window to open the window.
そのため閉動作中パワーウィンドウにかかる荷重超過を
検出して開動作に反転制御する安全装置が開発されつつ
あるが、更にフェール・セーフな安全装置が要望されて
いる。For this reason, safety devices are being developed that detect an excess load on the power window during the closing operation and reversely control the opening operation, but there is a need for an even more fail-safe safety device.
第２図を用いて従来の技術を説明する。 The conventional technique will be explained using FIG.
第２図（ａｌはパワーウィンドウの安全装置の従来例を
示したブロック図で、パワーウィンドウ閉動作中９手等
の障害物がウィンドウに挟まれた時。Figure 2 (al) is a block diagram showing a conventional example of a power window safety device, which is used when an obstacle such as a hand gets caught in the window during the power window closing operation.
該ウィンドウにかかる荷重超過を、駆動モータの電流変
化により検出して開動作を行うものである。The opening operation is performed by detecting an excess load on the window based on a change in the current of the drive motor.
図中、■はマイクロプロセッサ、記憶部等で構成される
制御部、２はウィンドウの開閉スイソチをＭａえる操作
部、３は荷重超過と判定するモータ電流の上限値を記憶
する上限値記憶部で、前回サンプリング時のモータ電流
１ｍに許容増分電流値Δ１ｍを加算した値のうち最大の
ものが上限値として格納される。また、４は許容増分電
流値ΔＩｍを記ｊｆＪする増分電流値記憶部、５はモー
タ９の回転方向を定める印加直流電圧の極性を切り換え
るリレー駆動部、６はモータ９の電流を検出する電流検
出部、７はモータ駆動部、８は上記電流増分と区別する
ためセンサ１０により全閉を検出する全開位置検出部、
９はイコライザーアーム１３をギヤ１２で駆動するモー
タ、１１はウィンドウである。In the figure, ■ is a control unit consisting of a microprocessor, a storage unit, etc., 2 is an operation unit that allows you to open and close the window, and 3 is an upper limit value storage unit that stores the upper limit value of motor current that is determined to be overload. , the maximum value obtained by adding the allowable incremental current value Δ1m to the motor current 1m at the previous sampling time is stored as the upper limit value. Further, 4 is an incremental current value storage unit that records the allowable incremental current value ΔIm, 5 is a relay drive unit that switches the polarity of the applied DC voltage that determines the rotation direction of the motor 9, and 6 is a current detector that detects the current of the motor 9. , 7 is a motor drive unit, 8 is a fully open position detection unit that detects a fully closed state using a sensor 10 in order to distinguish it from the above-mentioned current increment;
9 is a motor that drives the equalizer arm 13 with a gear 12, and 11 is a window.
上記構成のパワーウィンドウ安全装置において。In the power window safety device with the above configuration.
ウィン）′つの開閉動作は次の通りである。The opening/closing operation of the win) is as follows.
ノンロック型の開または閉スィッチが押下されると制御
部ｌはリレー駆動部５を制御し、スイソノチ押下中、モ
ータ９を所定の方向に回転する。When the non-locking open or close switch is pressed down, the control unit 1 controls the relay drive unit 5, and rotates the motor 9 in a predetermined direction while the switch is pressed down.
モータ９の回転によりギヤ１２を通してイコライザーア
ーム１３が回転し、ウィンドウ１１を上下方向に移動す
る。The rotation of the motor 9 rotates the equalizer arm 13 through the gear 12, and moves the window 11 in the vertical direction.
次ぎにウィンドウ閉動作中２手等が挟まれたとき、開動
作を行う動作を以下説明する。Next, the operation of opening the window when two hands or the like are caught during the window closing operation will be described below.
第２図（ｂｌは全閉動作におけるモータ９の電流を表し
たもので９時間ｔｏに閉スィッチが押下されると、突入
電流のため急激にその値を増し２時間ｔ１で定常電流と
なる。時間ｔ２以降は全閉であって、そのとき閉スィッ
チの押下を中止するため電流はＯとなる。従って期間ｔ
１〜Ｌ２を荷重増分検出区間としている。なおこの区間
で電流値が増加しているのはウィンドウの閉動作ととも
に窓枠による接触抵抗が増大するためである。FIG. 2 (bl represents the current of the motor 9 in a fully closed operation. When the close switch is pressed at 9 hours to, the value increases rapidly due to the rush current and becomes a steady current at 2 hours t1. After time t2, it is fully closed, and at that time, the pressing of the close switch is stopped, so the current becomes O. Therefore, the period t
1 to L2 is the load increment detection section. Note that the reason why the current value increases in this section is that the contact resistance due to the window frame increases as the window closes.
荷重増分検出は上記モータ電流の特性を考慮した電流増
分に変換して検出している。即ち、モータ電流検出をあ
るサンプリング時間ごとに行い。The load increment is detected by converting it into a current increment that takes into consideration the characteristics of the motor current. That is, motor current detection is performed at certain sampling time intervals.
前回のサンプリング時間における検出電流１ｍ（最大値
）と予め定めた電流増分Δ１ｍを加算した上限値１ｍ＋
Δ１ｍを超過している場合は荷重超過と判断し、操作ス
イッチの如何にかかわらず。Upper limit value 1m+ which is the sum of the detected current 1m (maximum value) at the previous sampling time and the predetermined current increment Δ1m
If it exceeds Δ1m, it is determined that the load is overloaded, regardless of the operating switch.
リレー駆動部５を駆動して該ウィンドウの動作を開に反
転動作させる。The relay drive section 5 is driven to reverse the operation of the window.
上記説明したパワーウィンドウ安全装置にあって、電流
増分を検出する検出系が故障して、荷重増分に見合う電
流増加が得られない場合は、動作が正常に動作しない即
ちフェイル・セーフを満たしていない問題点があった。In the power window safety device described above, if the detection system that detects the current increment fails and the current increase cannot be obtained to match the load increment, it will not operate normally, that is, fail-safe will not be satisfied. There was a problem.
上記従来の問題点は、ウィンドウ開閉動作中モータ電流
を検出して予め定めた下限値と比較する比較手段と、比
較手段によりモータ電流値が下限値以下であることを検
出して該モータの動作を停止する手段とを有し、モータ
電流検出手段の異常を判断して安全装置の安全性を高め
る本発明によるパワーウィンドウ安全装置により解決す
ることかできる。The above-mentioned conventional problems include a comparison means that detects the motor current during the window opening/closing operation and compares it with a predetermined lower limit value, and a comparison means that detects that the motor current value is below the lower limit value and operates the motor. This problem can be solved by the power window safety device according to the present invention, which has a means for stopping the motor current and detects an abnormality in the motor current detection means to improve the safety of the safety device.
所定のウィンドウ駆動に要するモータ電流は第２図（ｂ
）に示す標準値の近傍にあり、検出系の異常を判定する
モータ電流の下限値〔第２図（ｂ）のＩＯ３を設定する
ことができる。The motor current required to drive a specified window is shown in Figure 2 (b).
), and the lower limit value of the motor current for determining abnormality in the detection system [IO3 in FIG. 2(b)] can be set.
そのため本発明による検出電流の下限値比較手段により
検出系異常を判別してウィンドウを停止させるため、パ
ワーウィンドウ安全装置の安全性が向上する。Therefore, the detection current lower limit comparison means according to the present invention determines an abnormality in the detection system and stops the window, thereby improving the safety of the power window safety device.
本発明の実施例を図を用いて説明する。 Embodiments of the present invention will be described with reference to the drawings.
第１図（ａ）は本発明の実施例のブロック図、第１図（
ｂ）は動作のフローチャートである。なお全図を通じて
同一記号は同一の対象物を表す。FIG. 1(a) is a block diagram of an embodiment of the present invention;
b) is a flowchart of the operation. Note that the same symbols represent the same objects throughout the figures.
第１図（ａｌにおいて、１はマイクロプロセッサ等で構
成され一時記憶手段を有する制御部、１４は設定したモ
ータ電流の下限値ｉｏを格納する下限値記憶部でサンプ
リング時間ごとに制御部１に参照される。In FIG. 1 (al), 1 is a control unit composed of a microprocessor or the like and has temporary storage means, and 14 is a lower limit value storage unit that stores the set lower limit value io of the motor current, which is referred to by the control unit 1 at every sampling time. be done.
動作を第１図（ｂｌを参照しつつ説明する。The operation will be explained with reference to FIG.
第１図（ｂ）はあるサンプリング時間における制御部ｌ
が動作するフローチャートで、この動作は操作部２のス
イッチ押下して１２時間経過した後。FIG. 1(b) shows the control unit l at a certain sampling time.
This is a flowchart that shows the operation after 12 hours have passed since the switch on the operation unit 2 was pressed.
例えば２０ｍ５ごとに繰り返し行われる。For example, this is repeated every 20m5.
（１）電流検出部６によりモータ電流１ｍを読み取り、
制御部１に格納され、前回値まで保存される。(1) Read motor current 1m by current detection unit 6,
It is stored in the control unit 1, and is saved up to the previous value.
（２）読み取ったモータ電流１ｍを下限値記憶部１４に
格納されている下限値１ｏと比較する。(2) Compare the read motor current 1m with the lower limit value 1o stored in the lower limit value storage section 14.
（３）下限値以下ならばリレー駆動部５を制御しモータ
電圧を遮断しモータ９を停止する。(3) If it is less than the lower limit value, the relay drive section 5 is controlled to cut off the motor voltage and stop the motor 9.
（４）下限値以上ならば従来の荷重超過検出動作を行う
。即ぢ、ウィンドウ開閉操作を判別し、閉ならば以下の
動作を行う。(4) If the lower limit is exceeded, the conventional excess load detection operation is performed. Immediately, it is determined whether the window is opened or closed, and if the window is closed, the following operation is performed.
（４１−（１１１回目のサンプリングであれば検出した
モータ電流値１ｍに６１ｍを加算し、上限値記憶部３に
格納する。(41-(If it is the 111th sampling, 61 m is added to the detected motor current value 1 m and stored in the upper limit storage unit 3.
＋４１１２１ ２回目以降は前回サンプリング時間に検
出したモータ電流値と比較し、増加している場合は−Ｌ
限値と比較し、その値より超過している場合はリレー駆
動部５を制御してモータ動作を反転し。+41121 From the second time onward, compare with the motor current value detected at the previous sampling time, and if it increases, -L
It is compared with the limit value, and if it exceeds the limit value, the relay drive unit 5 is controlled to reverse the motor operation.
ウィンドウ開動作を行う。Perform window opening operation.
ｆ４１− （３１上記上限値を超過していない場合は検
出したモータ電流値１ｍに増分Δ１ｍを加算し、前回設
定した上限値と比較して大なる方の値を新上限値として
上限値記憶部３に格納更新する。f41- (31 If the above upper limit value is not exceeded, add an increment Δ1 m to the detected motor current value 1 m, compare it with the previously set upper limit value, and set the larger value as the new upper limit value in the upper limit value storage section. Store and update to 3.
（５）全開位置検出部８により全開を検出して上記動作
を終了する。(5) Fully open is detected by the fully open position detection section 8 and the above operation is completed.
以上説明したように９本発明によれば、ウィンドウを駆
動するモータの電流値を検出して荷車超過を検出し、パ
ワーウィンドウを閉より開へ反転動作させるパワーうイ
ントウ安全装置において。As explained above, according to the present invention, there is provided a power window safety device that detects the current value of the motor that drives the window to detect the excess of the cart, and reverses the operation of the power window from close to open.
検出したモータ電流値の下限値を設定して該電流値が下
限値以下の時異常と判断してモータを停止するため安全
装置動作の安全性を向上させることが出来る。The lower limit value of the detected motor current value is set, and when the current value is less than the lower limit value, it is determined that there is an abnormality and the motor is stopped, so that the safety of the safety device operation can be improved.
第１図（ａｌは本発明の実施例のブロック図。 第１図（ｂ）は動作を表すフローチャート。 第２図（ａｌは従来例の安全装置のブロック図。 第２図（ｂ）はその動作電流の推移を示す図。 である。図中。 １は制御部、 ２は操作部。 ３は上限値記憶部、 ４は増分電流値記憶部。 ５はリレー駆動部、 ６は電流検出部。 ７はモータ駆動部、 ８は全閉位置検出部。 ９はモータ、 １０はセンサ。 １１はウィンドウ。 １４は下限値記憶部。 である。 FIG. 1 (al is a block diagram of an embodiment of the present invention. FIG. 1(b) is a flowchart showing the operation. FIG. 2 (al is a block diagram of a conventional safety device. FIG. 2(b) is a diagram showing the transition of the operating current. It is. In the figure. 1 is the control unit, 2 is the operation unit. 3 is an upper limit value storage section, and 4 is an incremental current value storage section. 5 is a relay drive section, and 6 is a current detection section. 7 is a motor drive unit, and 8 is a fully closed position detection unit. 9 is a motor, 10 is a sensor. 11 is a window. 14 is a lower limit value storage section. It is.
Claims (1)
により検出してウィンドウ開に反転動作させるパワーウ
ィンドウの安全装置であって、ウィンドウ開閉動作中モ
ータ電流を検出して予め定めた下限値と比較する比較手
段と、比較手段によりモータ電流値が下限値以下である
ことを検出して該モータの動作を停止する手段とを有し
、モータ電流が下限値以下のときモータ電流検出手段の
異常と判断してウィンドウの開閉動作を停止し安全装置
の安全性を高めることを特徴とするパワーウィンドウ安
全装置。This is a power window safety device that detects an excess load during the window closing operation by detecting an excess current in the drive motor and reverses the operation to open the window.It detects the motor current during the window opening/closing operation and compares it with a predetermined lower limit value. Comparing means and means for detecting that the motor current value is below the lower limit value by the comparing means and stopping the operation of the motor, and determining that the motor current detecting means is abnormal when the motor current is below the lower limit value. A power window safety device characterized by increasing the safety of the safety device by stopping the opening/closing operation of the window.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59201001A JPS6178984A (en) | 1984-09-26 | 1984-09-26 | Power window safety apparatus |
| DE19853532078 DE3532078A1 (en) | 1984-09-13 | 1985-09-09 | ENGINE CONTROL METHOD AND DEVICE THEREFOR |
| US06/774,843 US4641067A (en) | 1984-09-13 | 1985-09-11 | Motor control method and apparatus therefor |
| CA000490557A CA1264802A (en) | 1984-09-13 | 1985-09-12 | Motor control method and apparatus therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59201001A JPS6178984A (en) | 1984-09-26 | 1984-09-26 | Power window safety apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6178984A true JPS6178984A (en) | 1986-04-22 |
| JPH0584353B2 JPH0584353B2 (en) | 1993-12-01 |
Family
ID=16433853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59201001A Granted JPS6178984A (en) | 1984-09-13 | 1984-09-26 | Power window safety apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6178984A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0235180A (en) * | 1988-07-22 | 1990-02-05 | Aisin Seiki Co Ltd | Controller for vehicle on-off member |
| JP2010229623A (en) * | 2009-03-25 | 2010-10-14 | Mitsuba Corp | Control device for vehicular opening/closing body |
-
1984
- 1984-09-26 JP JP59201001A patent/JPS6178984A/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0235180A (en) * | 1988-07-22 | 1990-02-05 | Aisin Seiki Co Ltd | Controller for vehicle on-off member |
| JP2010229623A (en) * | 2009-03-25 | 2010-10-14 | Mitsuba Corp | Control device for vehicular opening/closing body |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0584353B2 (en) | 1993-12-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |