WO2011052152A1 - 挟み込み検出方法、挟み込み検出装置の設定方法、挟み込み検出装置、開閉制御装置 - Google Patents
挟み込み検出方法、挟み込み検出装置の設定方法、挟み込み検出装置、開閉制御装置 Download PDFInfo
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- 238000001514 detection method Methods 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000006073 displacement reaction Methods 0.000 claims abstract description 9
- 230000002596 correlated effect Effects 0.000 claims abstract description 3
- 230000008859 change Effects 0.000 claims description 22
- 238000004364 calculation method Methods 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 10
- 239000011521 glass Substances 0.000 description 64
- 238000010586 diagram Methods 0.000 description 16
- 238000004891 communication Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/40—Safety devices, e.g. detection of obstructions or end positions
- E05F15/41—Detection by monitoring transmitted force or torque; Safety couplings with activation dependent upon torque or force, e.g. slip couplings
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/665—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
- E05F15/689—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings specially adapted for vehicle windows
- E05F15/695—Control circuits therefor
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
- E05Y2400/10—Electronic control
- E05Y2400/52—Safety arrangements associated with the wing motor
- E05Y2400/53—Wing impact prevention or reduction
- E05Y2400/54—Obstruction or resistance detection
- E05Y2400/56—Obstruction or resistance detection by using speed sensors
- E05Y2400/564—Obstruction or resistance detection by using speed sensors sensing motor speed
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Type of wing
- E05Y2900/55—Windows
Definitions
- a threshold value can be set at the stage of manufacturing the switchgear, or a new threshold can be reset when the switchgear is replaced or repaired.
- an object having the first thickness is inserted between the opening / closing body and the abutting portion against which the opening / closing body abuts during a normal closing operation, and the opening / closing body is moved to move the first thickness object to the opening / closing body.
- the amount of rotation of the motor detected in a state sandwiched between the abutting portion is defined as the amount of rotation of the motor until the opening / closing body reaches the first position.
- Another aspect of the present invention is a method for setting a pinch detection device.
- This method is a setting method of a foreign object pinching detection device in an opening / closing device that drives a motor to move the opening / closing body, and the opening / closing body is different from the first position and the first position by driving the motor.
- the amount of rotation of the motor until reaching position 2 is detected, the amount of displacement between the first position and the second position of the opening / closing body, and the rotation of the motor detected at the first position and the second position, respectively.
- a set value is calculated on the basis of the difference between the amounts, and the set value is set as a threshold value for detecting foreign object pinching by comparing with a change in signal correlated with the rotational speed of the motor.
- a threshold value can be set at the stage of manufacturing the switchgear, or a new threshold can be reset when the switchgear is replaced or repaired.
- a determination unit that determines whether the foreign matter is caught in the opening / closing device, and a driving unit that drives the motor until the opening / closing body moves to at least a first position and a second position different from the first position in the setting mode.
- a motor rotation amount calculation for detecting the rotation amount of the motor until the opening / closing body moves to the first position and the second position based on a signal accompanying the rotation of the motor. And the difference between the displacement amount between the first position and the second position of the opening / closing body and the rotation amount of the motor detected at each of the first position and the second position in the setting mode.
- a setting unit that sets the calculated setting value as a threshold value.
- the driving unit may stop or reverse the driving of the motor when a foreign object is detected. Thereby, it is prevented that the further load is applied with respect to the foreign material pinched
- the opening / closing body is opened by 50 mm or more.
- the setting unit may be configured to be able to set various load values in accordance with the standard as a pinching load when a foreign object is pinched. Thereby, it becomes possible to detect the trapping of the foreign matter at a safer stage.
- Still another aspect of the present invention is an open / close control device.
- This device includes a motor and the above-described pinching detection device.
- FIG. 4A and FIG. 4B are diagrams showing the relationship between the position of the door glass and the rotation speed of the motor when a foreign object is caught while the door glass is closed. It is a flowchart which shows the pinching detection method in the detection mode which concerns on this Embodiment. It is a schematic diagram which shows an example of the setting method which concerns on this Embodiment. It is a performance diagram in a general DC motor.
- FIG. 9A to FIG. 9E are diagrams sequentially illustrating the operation of opening and closing the door glass in the setting mode.
- FIG. 10A is a diagram showing a configuration for detecting the rotation of the motor based on a change in drive current.
- FIG. 10B is a diagram showing a change in current over time.
- FIG. 1 is a schematic diagram showing a configuration of a power window system according to the present embodiment.
- FIG. 2 is a perspective view of the vicinity of the output shaft of the motor according to the present embodiment.
- the power window system 10 includes a motor unit 12, a regulator 14, a door glass 16 as an opening / closing body, and a frame 18 that supports the door glass 16 so as to be slidable.
- the regulator 14 includes a drum 30, a wire 32 that is pulled in both directions as the drum 30 rotates, a carrier plate 34 that is fixed to the door glass 16, and a guide member 36 that guides the carrier plate 34.
- the carrier plate 34 is fixed to the wire 32.
- FIG. 3 is a block diagram showing a configuration of the pinch detection device according to the present embodiment.
- the pinch detection device 38 includes a motor drive circuit 40 that drives the motor main body 20, a rotation speed calculation circuit 42 that calculates the rotation speed of the motor based on the output signal of the hall sensor 26, and switch operations of the driver and passengers.
- a switch input circuit 44 to which signals are input a communication circuit 46 that communicates with other devices of the vehicle and the outside of the vehicle, and a microcomputer that controls the driving of the motor body 20 in accordance with signals of various sensors and various switch operations. 48.
- the microcomputer 48 includes a central processing unit (CPU) and a storage unit such as a ROM or a RAM that stores or temporarily stores operation programs and various setting values.
- FIG. 4A and FIG. 4B are diagrams showing the relationship between the position of the door glass and the rotation speed of the motor when a foreign object is caught while the door glass is closed.
- the microcomputer 48 receiving the signal through the switch input circuit 44 drives the motor body 20 by the motor driving circuit 40.
- the rotation speed of the motor body 20 becomes a constant speed S 0 as shown in FIG. 4A until the upper end of the door glass 16 hits the frame 18.
- the rotational speed of the motor body 20 is rapidly reduced.
- the microcomputer 48 detects the rotational speed S 1 again motor (S12). If a limit signal indicating that the upper end of the door glass 16 has successfully hit the frame 18 is detected at that time (Yes in S14), the motor is stopped (S16), and the processing in the detection mode is terminated. To do. On the other hand, when the limit signal is not detected (No in S14), the microcomputer 48 determines whether or not the change S 0 -S 1 in the rotation speed of the motor is larger than the threshold value Y (S18). When the change S 0 -S 1 in the rotation speed of the motor is equal to or less than the threshold value Y (No in S18), the process returns to S12.
- the microcomputer 48 determines that there is a foreign object caught and controls the motor drive circuit 40 to control the motor. Is reversed (S20), and the process in the detection mode is terminated. Thereby, it is prevented that the further load is applied with respect to the foreign material pinched
- the threshold value Y stored in the storage unit of the microcomputer 48 is always a fixed value.
- the pinch detection accuracy may vary. For this reason, when the motor unit 12 is combined with a different regulator, it is considered to rewrite the threshold value Y stored in the pinching detection device 38 accordingly.
- the object X according to the present embodiment is a rectangular parallelepiped having different widths W1 and W2 (W1> W2). Further, when the object X is sandwiched between the door glass 16 and the frame 18, the stopping position of the door glass 16 does not greatly deviate from the positions A ⁇ b> 1 and A ⁇ b> 2 if the sandwiching load is the same (there is reproducibility). It is good that it is such hardness. From this point of view, a material close to a rigid body is more preferable, but it may be better to have a certain degree of elasticity in consideration of the impact on the door glass when the door glass 16 hits the object X and the sudden braking applied to the motor. . In addition, the object X is preferably made of a material and a structure that have a smaller difference in elastic modulus depending on the sandwiched direction. Urethane is used as the object X according to the present embodiment.
- the microcomputer 48 sets a threshold value Y that determines that there is a pinch when the pinch load is 100 N or more when a foreign object is pinched. If more importance is placed on safety, the microcomputer 48 may set a threshold value Y such that it is determined that there is a pinch when the pinch load is 80 N or more when a foreign object is pinched. As a result, the pinching detection device 38 can detect the pinching of foreign matter at a safer stage.
- FIG. 8 is a flowchart showing a threshold setting method in the setting mode according to the present embodiment.
- FIG. 9A to FIG. 9E are diagrams sequentially illustrating operations for opening and closing the door glass 16 in the setting mode.
- a motor drive circuit 40 that drives the motor until it moves to a different second position, and in the setting mode, the door glass
- a motor rotation amount calculation unit that detects a pulse count of the motor until the 16 moves to the first position and the second position based on the signal of the hall sensor 26, and in the setting mode, the first of the door glass 16 A set value calculated based on the displacement amount D between the position and the second position and the difference between the pulse count differences (P1 ⁇ P2) of the motor detected at the first position and the second position, respectively.
- a setting unit that sets the threshold value Y.
- the microcomputer 48 according to the present embodiment functions as a storage unit, a determination unit, a motor rotation amount calculation unit, and a setting unit.
- the present invention can also be regarded as a foreign object pinching detection method in the power window system 10 that moves the door glass 16 by driving the motor body 20.
- the detection mode the change ⁇ S in the rotation speed of the motor and the threshold value Y are compared to detect the foreign object being caught in the power window system 10, and in the setting mode, the motor body 20 is driven. And detecting the pulse count of the motor until the door glass 16 reaches the first position and the second position different from the first position, and the first position and the second position of the door glass 16 are detected.
- a set value calculated based on the amount of displacement D between the motor and the difference (P1 ⁇ P2) in the motor pulse count detected at the first position and the second position can be set as the threshold value Y. it can.
- FIG. 10A is a diagram showing a configuration for detecting the rotation of the motor based on a change in drive current.
- FIG. 10B is a diagram showing a change in current over time.
- the pinching detection device 38 itself detects a change in the drive current, and calculates the rotation speed and rotation speed of the motor body 20, thereby omitting components such as the Hall sensor 26 and the sensor magnet 28.
- the motor unit 12 can be reduced in size and cost.
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- Power-Operated Mechanisms For Wings (AREA)
- Window Of Vehicle (AREA)
Abstract
Description
はじめに、パワーウィンドウシステムの構成の概略について説明する。図1は、本実施の形態に係るパワーウィンドウシステムの構成を示す模式図である。図2は、本実施の形態に係るモータの出力軸近傍の斜視図である。
上述のパワーウィンドウシステム10は、ドアガラス16を開閉する際にドアガラス16と枠体18との間に異物を挟み込んだ場合、その挟み込みを検出するための挟み込み検出装置を備えている。図3は、本実施の形態に係る挟み込み検出装置の構成を示すブロック図である。
次に、上述のパワーウィンドウシステムにおける挟み込み検出方法について説明する。図4(a)、図4(b)は、ドアガラスが閉動中に異物が挟み込まれた際のドアガラスの位置とモータの回転速度との関係を示した図である。スイッチ操作によりドアガラス16の閉動が指示されると、スイッチ入力回路44を介してその信号を受けたマイクロコンピュータ48は、モータ駆動回路40によりモータ本体20を駆動させる。その際、パワーウィンドウシステム10に異常がなければ、ドアガラス16の上端が枠体18に突き当たるまでは、モータ本体20の回転速度は図4(a)に示すように一定速度S0となる。ところが、ドアガラス16の上端が枠体18に正常に突き当たる前に、ドアガラス16と枠体18との間に異物が挟まれると、モータ本体20の回転速度は急激に低下する。
はじめに、本実施の形態に係る挟み込み検出装置における設定モードによってしきい値を設定する方法の原理について説明する。なお、以下ではDCモータを例にとり説明するが、回転数とトルクとに相関があるモータであれば他の方式のモータであってもよい。
H=D/(P1-P2)・・・式(1)
N×H=N×D/(P1-P2)・・・式(2)
N×D/(P1-P2)=πL・・・式(3)
F=2×T/L・・・式(4)
ΔT=(S0-S1)×(Ts/N0)・・・式(5)
F=(S0-S1)×(Ts/N0)×2π×(P1-P2)/(N×D)・・・式(6)
ここでFは挟み込み荷重に相当する。挟み込み荷重Fとは、挟み込まれた異物に働いているとされる荷重であり、誤作動の防止と安全性を両立する範囲で適宜決められるものである。目標となる挟み込み荷重Fが小さい場合、パワーウィンドウシステム10の各構成の交差や振動などの外乱によって誤作動、例えば、異物が挟み込まれていないにも関わらずドアガラス16が反転動作するといった状態が発生し得る。一方、目標となる挟み込み荷重Fが大きい場合、ドアガラス16が反転動作するまでに異物にかかる荷重が過大となる可能性がある。
Claims (9)
- モータを駆動して開閉体を移動させる開閉装置における異物の挟み込み検出方法であって、
検出モードにおいては、モータの回転速度と相関のある信号の変化としきい値とを比較して開閉装置への異物の挟み込みを検出し、
設定モードにおいては、モータを駆動して開閉体が所定の基準位置から第1の位置および第1の位置とは異なる第2の位置に達するまでのモータの回転量をそれぞれ検出し、
開閉体の前記第1の位置と前記第2の位置との間の変位量と、前記第1の位置と前記第2の位置でそれぞれ検出したモータの回転量の差と、に基づいて算出した設定値を前記しきい値として設定する、
ことを特徴とする挟み込み検出方法。 - 前記設定モードにおいて、
前記開閉体と正常な閉動作時には開閉体が突き当たる突き当て部との間に第1の厚みの物体を挿入し、前記開閉体を移動させて前記第1の厚みの物体を該開閉体と前記突き当て部との間に挟んだ状態で検出したモータの回転量を、開閉体が前記第1の位置に達するまでのモータの回転量とし、
次に、前記開閉体と前記突き当て部との間に前記第1の厚みと異なる第2の厚みの物体を挿入し、前記開閉体を移動させて前記第2の厚みの物体を前記開閉体と前記突き当て部との間に挟んだ状態で検出したモータの回転量を、開閉体が前記第2の位置に達するまでのモータの回転量とする、
ことを特徴とする請求項1に記載の挟み込み検出方法。 - 前記第1の厚みの物体と前記第2の厚みの物体は、方向によって厚みが異なる一つの物体であることを特徴とする請求項2に記載の挟み込み検出方法。
- 前記第1の厚みの物体と前記第2の厚みの物体は、場所によって厚みが異なる一つの物体であることを特徴とする請求項2に記載の挟み込み検出方法。
- モータを駆動して開閉体を移動させる開閉装置における異物の挟み込み検出装置の設定方法であって、
モータを駆動して開閉体が第1の位置および第1の位置とは異なる第2の位置に達するまでのモータの回転量をそれぞれ検出し、
開閉体の前記第1の位置と前記第2の位置との変位量と、前記第1の位置と前記第2の位置でそれぞれ検出したモータの回転量の差と、に基づいて設定値を算出し、
モータの回転速度の変化と比較することで異物の挟み込みを検出するためのしきい値として前記設定値を設定する、
ことを特徴とする挟み込み検出装置の設定方法。 - モータを駆動して開閉体を移動させる開閉装置における異物の挟み込み検出装置であって、
モータの回転に伴う信号に基づいてモータの回転速度を算出する回転速度算出部と、
開閉体の移動に伴うモータの回転速度の変化と比較することで異物の挟み込みを検出するためのしきい値を記憶する記憶部と、
検出モードにおいて、モータの回転速度の変化と前記しきい値とを比較して開閉装置への異物の挟み込みを判定する判定部と、
設定モードにおいて、前記開閉体が少なくとも第1の位置および第1の位置とは異なる第2の位置に移動するまでモータを駆動する駆動部と、
前記設定モードにおいて、前記開閉体が前記第1の位置および前記第2の位置に移動するまでのモータの回転量をそれぞれモータの回転に伴う信号に基づいて検出するモータ回転量算出部と、
前記設定モードにおいて、前記開閉体の前記第1の位置と前記第2の位置との変位量と、前記第1の位置と前記第2の位置でそれぞれ検出したモータの回転量との差と、に基づいて算出した設定値を前記しきい値として設定する設定部と、
を備えることを特徴とする挟み込み検出装置。 - 前記駆動部は、異物の挟み込みが検出された場合にモータの駆動を停止または反転させることを特徴とする請求項6に記載の挟み込み検出装置。
- モータと、
請求項6または7に記載の挟み込み検出装置と、
を備えた開閉制御装置。 - 前記モータの回転に伴うパルス信号を検出する回転検出センサを更に備えることを特徴とする請求項8に記載の開閉制御装置。
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CN103926030A (zh) * | 2013-10-28 | 2014-07-16 | 芜湖莫森泰克汽车科技有限公司 | 自动天窗测试台架 |
JP6252950B2 (ja) * | 2015-03-05 | 2017-12-27 | Smc株式会社 | クランプ装置 |
JP6711162B2 (ja) * | 2016-06-20 | 2020-06-17 | 株式会社デンソー | 車両用開閉部材駆動装置 |
EP3528607B1 (en) * | 2016-10-12 | 2020-11-25 | Fuji Corporation | Component mounting machine |
DE112018001091T5 (de) * | 2017-03-02 | 2019-12-05 | Denso Corporation | Antriebsvorrichtung für einen Öffnungs- und Schließkörper |
DE102018101069A1 (de) | 2018-01-18 | 2019-07-18 | Webasto SE | Vorrichtung und Verfahren zur Konfiguration eines Einklemmerkennungssystems |
CN110056279B (zh) * | 2018-01-19 | 2021-02-19 | 南京天擎汽车电子有限公司 | 防夹控制方法及防夹控制*** |
JP7377059B2 (ja) * | 2019-10-21 | 2023-11-09 | 株式会社ユーシン | 車両開閉体の開閉制御装置 |
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2010
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- 2010-10-15 CN CN201080047183.2A patent/CN102575494B/zh not_active Expired - Fee Related
- 2010-10-15 BR BR112012010193A patent/BR112012010193A2/pt not_active IP Right Cessation
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Also Published As
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CN102575494A (zh) | 2012-07-11 |
JP2011094370A (ja) | 2011-05-12 |
BR112012010193A2 (pt) | 2016-04-26 |
CN102575494B (zh) | 2014-10-01 |
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