JP3562169B2 - Power window device - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention provides a power window device that performs a pinch stop control for stopping a closing operation when a pinch is detected during a window closing operation, and learns and updates pinch detection data for performing the pinch detection. About.
[0002]
[Prior art]
As a window device of an automobile, an opening / closing switch is operated to open / close a window with a motor using a battery as a power source. There is known a power window device of a pinching stop control type that detects the state of the window and stops the window closing operation.
[0003]
Such a pinch suspension control type power window device, for example, sets a predetermined threshold value larger than a load applied to a motor during a normal window closing operation and stores the threshold value in a memory. When the load of the motor is detected and the load exceeds the predetermined threshold value, it is determined that pinching has occurred, and the window closing operation is stopped. Sometimes the load applied to the motor varies from window to window depending on the temperature, the shape and structure of each window, the standing or the secular change of the standing, etc., and also changes with time. From the viewpoint that it is difficult to detect pinching, it is necessary to record the predetermined threshold value as described in, for example, JP-A-62-280476. And a power window device which detects a load applied to the motor at each time when a window closing operation is performed, and learns and updates the predetermined threshold value based on the detection result. Has been proposed.
[0004]
[Problems to be solved by the invention]
When pinching is detected as described above, pinching stop control for stopping the window closing operation is performed, and pinching detection data such as the threshold value for detecting the pinching is learned for each window. The power window apparatus which is updated successively has the advantage that the pinch detection can always be performed based on the optimum pinch detection data, but on the other hand, the memory is reset for some reason. When the pinch detection data stored and stored is lost, the problem is how to set the pinch detection data again. For example, an appropriate value is set in advance for each window. In advance, it is conceivable to store this in the memory as the initial value of the pinch detection data. However, the optimum pinch detection data as described above depends on temperature, aging, and the like. Since differs Te, inconvenience that it is not possible to perform an appropriate nipping detected in such initial value occurs.
[0005]
In view of the above circumstances, it is an object of the present invention to be able to use more appropriate pinch detection data when the memory is reset and the pinch detection data is lost, thereby enabling the first window after the memory reset. It is an object of the present invention to provide a power window device capable of performing more appropriate pinch detection even during a closing operation.
[0006]
[Means for Solving the Problems]
The first power window device according to the present invention achieves the above object,
A plurality of window units each including a window, an opening / closing drive unit for opening / closing the window, and a pinching stop control unit for stopping the closing operation when the pinching is detected during the closing operation of the window; The means has a memory for storing the pinch detection data of the own window for performing the pinch detection of the own window, and based on the pinch detection data of the own window stored in the memory. In a power window device that performs pinch detection of its own window unit and learns and updates data for pinch detection of its own window unit,
The memory of the pinch stop control means stores the pinch detection data of the other window part together with the pinch detection data of the own window part. The pinch stop control means stores the pinch detection data of the own window part in the memory. When the detection data is lost, the data for the pinch detection of the own window stored in the memory is read from the memory of the pinch suspension control means of the other window, and the read data for the pinch detection is stored in the own window. It is characterized in that the data is used as data for detecting the pinch of a part.
[0007]
In the first power window device, when the pinch detection control data of the other window portion is updated in the memory of the pinch stop control device of the other window portion, the pinch stop control device stores the data in the memory. The data for pinch detection of the other window portion can be similarly updated.
[0008]
Further, in the first power window device, when the pinch detection data in the memories of all of the pinch stop controls is lost, the pinch stop control means may detect the pinch of any one of the window portions. The data for pinch detection other than the initial value stored first in the memory of the stop control means is read, and the data for pinch detection of the own window is calculated based on the data for pinch detection of the other window. Can be configured.
[0009]
A second power window device according to the present invention achieves the above object,
A plurality of window units each including a window, an opening / closing drive unit for opening / closing the window, and a pinching stop control unit for stopping the closing operation when the pinching is detected during the closing operation of the window; The means has a memory for storing the pinch detection data of the own window for performing the pinch detection of the own window, and based on the pinch detection data of the own window stored in the memory. In a power window device that performs pinch detection of its own window unit and learns and updates data for pinch detection of its own window unit,
The pinch stop control means, when the pinch detection data of the own window portion in the memory is lost, stores the pinch of the other window portion stored in the memory from the memory of the pinch stop control means of the other window portion. The data for detecting the insertion is read, and the data for detecting the insertion of the own window is calculated based on the data for detecting the insertion of the other window.
[0010]
In the first and second power window devices, the learning of the pinch detection data of the own window portion can be performed based on the closing operation of the own window portion.
[0011]
Note that the “entrapment detection data” is data used for detecting the entrapment, and may be, for example, the above-described threshold, but data for calculating the threshold, for example, It may be a constant in the formula for calculating the threshold value, or data indicating temperature or aging, etc. In essence, data capable of performing appropriate pinch detection in consideration of the information on the above temperature and aging. Any data may be used.
[0012]
The above-described “calculating the pinch detection data of the own window section based on the pinch detection data of the other window section” is based on the pinch detection data of the other window section as it is. A correction calculation based on a difference in structure between the other window portion and the own window portion is performed on the method for detecting data and the pinch detection data of the other window portion, and the pinch detection data of the own window portion is obtained. A calculation method can be used.
[0013]
【The invention's effect】
In the first power window device according to the present invention, as described above, the memory of the pinch stop control means stores the pinch detection data of the other window portion together with the pinch detection data of the own window portion. When the data for pinch detection of the own window part is lost due to reset of the memory or the like, the data for pinch detection of the own window part stored in the memory is read from the memory of the pinch stop control means of the other window part, Based on this, it is configured so that pinch detection at the time of the closing operation of the own window part can be performed. Therefore, even if the data for pinch detection of the own window part is lost due to a memory reset or the like, especially after data loss. In the first window closing operation, appropriate pinch detection can be performed without losing the learning effect up to now.
[0014]
In the first power window device, when the pinch stop control means updates the pinch detection data of the other window in the memory of the pinch stop control of the other window, If the pinch detection data of the other window is similarly updated, the pinch stop control means of the other window always outputs the pinch detection data having the latest learning effect of the own window. It is possible to read the information, and thereby, even at the time of memory reset or the like, it is possible to always perform the optimal pinch detection without losing the learning effect.
[0015]
Further, in the first power window device, when the pinch detection data in the memories of all the pinch stop control means is lost, each pinch stop control means sets one of the window portions to the pinch stop control means. It is configured to read out the pinch detection data other than the initial value stored in the memory of the stop control means and calculate the pinch detection data of the own window based on the read pinch detection data. For example, even if the data for pinch detection in the memories of all pinch stop control means is lost, the pinch of the own window portion is held for the same reason as in the case of the second power window device described below. As compared with the case where the above-described initial value is used as the detection data, it is possible to perform appropriate pinch detection while retaining the learning effect.
[0016]
As described above, when the memory is reset, the second power window device according to the present invention reads the pinch detection data of the other window from the memory of the pinch stop control means of the other window. It is configured to calculate the pinch detection data of the own window portion based on this, so that even if the memory is reset, the read pinch detection data of the other window portion includes the current temperature. And the aging information, the data for detecting the pinch of the other window portion is calculated based on the data for detecting the pinch of the other window portion. It is possible to calculate the pinch detection data of the own window portion in consideration of the learning information on the current temperature and the secular change contained in After compared with the case where the first window on the basis of the initial value prepared in advance for example during closing operation performs nipping detection, it is possible to perform proper nipping detection holding more learning effect.
[0017]
Embodiment
Hereinafter, embodiments of a power window device according to the present invention will be described in detail with reference to the drawings.
[0018]
<Overall configuration>
FIG. 1 is a block diagram showing an example of a power window device according to the present invention. The illustrated power window device is a power window device of an automobile, and includes a front right seat window portion 2 (FR) provided in a front right seat and a front left seat window portion 2 (FL) provided in a front left seat. And a rear right seat window portion 2 (RR) provided on the rear right seat, and a rear left seat window portion 2 (RL) provided on the rear left seat.
[0019]
Each window unit 2 includes a window 4, an open / close switch 6 for an occupant to open / close the window 4, a motor 8 as an electric opening / closing drive unit for opening / closing the window 4, and opening / closing of the window 4 by the motor 8. Open / close control means 10 for controlling the The opening / closing control means 10 of each window unit is connected to a battery via a battery line 12, to an ignition switch via an ignition line 14, and to a communication line 16 such as a multiplex transmission line to communicate with each other. It is configured to be possible.
[0020]
The open / close switch 6 of the front right seat window 2 (FR) is used not only for opening and closing the front right seat window 2 (FR) but also for the other three windows 2 (FL), 2 (RR), and 2 (RL). The opening / closing switch 6 of the other three windows 2 (FL), 2 (RR), and 2 (RL) is a sub switch capable of operating only the opening / closing of the own window. It is configured as a switch.
[0021]
The opening / closing control means 10 controls the driving of the motor 8 in accordance with the operation of the opening / closing switch 6 to control the opening / closing operation of the window 4. The opening / closing control means 10 of the front right seat window unit 1 (FR) controls opening / closing of the front right seat window 4 in accordance with the opening / closing operation of the front right seat window by the opening / closing switch 6 (FR) configured as the main switch. At the same time, when the opening / closing operation of another window portion is performed by the main switch 6 (FR), the opening / closing operation signal is transmitted to the opening / closing control means 10 of the window portion via the communication line 16. The open / close control means 10 of the other windows 2 (FL), 2 (RR), and 2 (RL) controls the open / close of the window 4 based on the operation of the open / close switch 6 of the own window, respectively. The opening / closing control of the window 4 is performed based on the opening / closing operation signal of the own window portion by the operation of the main switch 6 (FR) sent from the means 10 (FR).
[0022]
Each of the opening / closing control means 10 detects, in addition to the opening / closing control of the window based on the operation of the opening / closing switch 6, a pinch at the time of the window closing operation in the own window unit, and stops the window closing operation at the time of the pinching detection. In addition, a pinch stop control unit 18 for performing a pinch stop control for opening the window by inverting the window is provided.
[0023]
Note that the limit switch 26 provided in each window portion 2 is closed when the window glass 4a has been closed to a predetermined position immediately before the window glass 4a is almost completely closed. The pinch suspension control is released, thereby preventing the reversing and opening operation of the window glass 4a by erroneously recognizing the increase in load on the motor 8 that occurs when the window glass 4a is completely closed as pinching.
[0024]
<Pinch stop control>
The pinch stop control means 18 provided in the opening / closing control means 10 of each window unit, when any object 22 is pinched between the window glass 4a and the window sash 4b at the time of the window closing operation in the own window unit, The closing operation of the window (window glass) is stopped by detecting the entrapment, and the window (window glass) is turned over and opened.
[0025]
The above-described pinch detection can be performed by various methods. In the illustrated example, the load of the motor 8 at the time of the window closing operation is detected, and the load becomes larger than a predetermined threshold value. It is determined that the pinching has occurred. That is, the load applied to the motor 8 during the normal window closing operation is substantially the same, so that the load applied to the motor 8 during the normal window closing operation is checked, and a predetermined threshold value larger than this load is set in advance. The load is set and stored in the memory 20, and the load of the motor 8 at the time of the window closing operation is detected. When the load exceeds the predetermined threshold, it is determined that the entrapment has occurred, and the closing operation is performed. Is configured to stop.
[0026]
The load of the motor 8 can be obtained by current or other various methods. In the illustrated example, a pulse indicating the rotation state of the motor 8 (for example, a pulse generated every half rotation or one rotation of the motor 8) Is provided, and the load of the motor 8 is obtained based on the pulse width of the pulse output from the pulse sensor 24. That is, the pulse width changes in proportion to the motor rotation speed (the moving speed of the window in the closing direction), and the motor rotation speed changes according to the motor load, so the pulse width of the motor corresponds to the motor load. Change. Therefore, the pulse width at the time of the normal window closing operation is checked, and a predetermined threshold value larger than the pulse width is set in advance. Is detected, and when the pulse width becomes larger than the predetermined threshold value, it is determined that the entrapment has occurred, and the motor 8 is immediately reversed to stop the closing operation of the window 4 and perform the opening operation.
[0027]
In addition, the load applied to the motor 8 during the normal window closing operation varies from window to window depending on the temperature, the shape and structure of each window, the aging of the standing or the standing, and the like, and changes according to time. When the window is closed, the pulse width of the motor during the closing operation is detected every time or every predetermined number of times, and a new appropriate predetermined threshold is determined based on the pulse width. The value is reset, and learning and updating of the predetermined threshold value are performed.
[0028]
Further, in the power window apparatus which performs the pinch stop control as described above and learns and updates the threshold for pinch detection, the memory 20 is reset for some reason and stored. When the threshold value as an example of the data for detection of intrusion disappears, there is a problem in how to reset the threshold value. When the threshold value has disappeared due to the reset of the memory 20 or the like, a new threshold value can be set by the following two methods and stored in the memory.
[0029]
<First threshold value setting method>
When the first threshold value setting method at the time of memory reset is performed, the power window device stores not only the threshold value of its own window portion but also all other components in the memory 20 of the pinch suspension control means of each window portion. That is, the threshold values of the other three window sections are also stored, and the pinch stop control means 18 of each window section accesses the memories 20 of all the other pinch stop control means and stores them in the memories 20. The stored content is configured to be readable.
[0030]
First, referring to FIG. 2, a description will be given of a method of setting a threshold value at the time of normal operation, not at the time of memory reset, when performing the first threshold value setting method at the time of memory reset.
[0031]
It is assumed that the pinch stop control means 18 of each window unit learns the threshold value of its own window unit and stores it in the memory 20. Then, first, the pinch stop control means 18 of each window unit determines whether or not there is a window closing operation input of the own window unit by the open / close switch 6 at U1. If there is a closing operation input, the window is closed at U2, a pinch detection is performed using a threshold value stored in the memory 20 at U3, and if a pinch is not detected, a window is set at U4. A new threshold value is calculated based on the pulse width data of the motor 8 at the time of the window closing operation, and the calculated threshold value is stored in the own memory 20 to update the threshold value. The threshold value is transmitted to the other window unit, and the other window unit stores the transmitted threshold value in the memory 20 of the other window unit in a step corresponding to U7 described below.
[0032]
On the other hand, if the entrapment is detected at U3, the closing operation of the window is stopped at U6, and the motor 8 is reversed to open the window. In this case, the pulse width data at the time of the window closing operation is different from that at the time of the normal operation because the pinching stop control is performed during the window closing operation. Is not updated and is not transmitted to other windows.
[0033]
Next, in U7, it is determined whether or not the threshold value of the other window portion has been received from the other window portion. If not, the process proceeds to the return. Is stored in its own memory 20.
[0034]
Next, a procedure of pinching stop control including a first threshold value setting method at the time of memory reset will be described with reference to FIG. The procedure shown in FIG. 3 is a common procedure of the pinching stop control in all the windows, and is a case where the memory 20 is reset and the threshold of the own window disappears.
[0035]
When the microcomputer of the pinching stop control means 18 is reset, and thereby the memory 20 is reset and the threshold value of the own window portion disappears, first, the microcomputer of the pinch stop control means 18 is initialized in S1. Next, in S2, it is determined whether or not the threshold value as the pinch detection data has disappeared from the memories 20 of all the window portions (W portions). Reads the threshold value of the own window portion and the threshold value of the other window portion from the memory 20 of the other window portion which has not been lost in S3, and stores them in the own memory 20.
[0036]
If the threshold values have been erased from the memories 20 of all the window sections, the pulse width data and the current pulse width data are read from the other window sections by opening or closing one of the other window sections in S4. It is determined whether or not the threshold value of the other window part has been received, and if it has not been received from any other window part, the initial value prepared in advance in S5 is set as the threshold value of the own window part. Then, it is stored in its own memory 20. Each window unit transmits at least the pulse width data at that time and the threshold value calculated based on the data at the time of the closing operation (see S11 in FIG. 3). This is performed based on the transmission in S11.
[0037]
When the pulse width data and the threshold value are received from one of the window portions in S4, the threshold value of the own window portion is calculated from the received pulse width data of the other window portion in S6, and the calculated threshold value is calculated. It is stored in the memory 20. In this case, the read pulse width data of the other window portion may be treated as it is as the pulse width data of the own window portion, and the threshold value of the own window portion may be calculated. Further, the threshold value of the own window unit may be calculated by performing a correction calculation based on the difference between the structure of the other window unit and the own window unit. In S6, the received threshold value of the other window portion is also stored in the memory 20.
[0038]
After the threshold value of the own window portion is stored in the memory 20 in steps S3 and S6 in this way, it is determined in step S7 whether or not the closing operation input of the own window portion has been performed. In S8, the operation of closing the own window portion is performed, and in that case, it is determined in S9 whether or not there is a jam based on the threshold value stored in the memory 20. If there is no jam, the pulse in the closing operation is determined in S10. Based on the width data, a threshold value of the own window portion is calculated, the threshold value is stored in the memory 20, and the threshold value is updated. In S11, the pulse width data and the threshold value are transferred to another window portion. Send. On the other hand, if the entrapment is detected in S9, the closing operation is stopped in S12, the motor 8 is reversed to open, and the process proceeds to the end. Also, if there is no closing operation input in S7, the process directly proceeds to the end.
[0039]
On the other hand, if the initial value is stored in the memory 20 as the threshold value in S5, it is determined in S13 whether or not a closing operation input of the own window unit has been performed. The closing operation of the own window portion is performed, and in that case, it is determined in step S15 whether or not the pinching has occurred based on the threshold value stored in the memory 20. If no pinching has occurred, the pulse width data in the closing operation is determined in step S16. , The threshold value of the own window portion is calculated, the threshold value is stored in the memory 20, the threshold value is updated, and the pulse width data and the threshold value are transmitted to another window portion in S11. .
[0040]
Further, when there is no closing operation input in S13, and when the pinch detection is performed in S15 and the pinch stop control is performed in S17 (in this case, appropriate pulse width data cannot be obtained as described above). Therefore, the threshold value is not calculated), since an initial value with low reliability is still set as the threshold value, such a threshold value is returned to S4 without being transmitted to another window portion. Attempt to calculate a reliable threshold.
[0041]
After the threshold setting flow at the time of memory reset is completed, the normal threshold setting flow shown in FIG. 2 is executed.
[0042]
In the above embodiment, the threshold values of all the other window units are stored in the memories 20 of all the window units. However, the memory of each of the window units 20 is not necessarily stored in the memory of each of the window units. It is not necessary to store the threshold values, and predetermined window parts may be associated with each other, and the threshold values may be stored in the corresponding window parts. For example, the front window portion and the rear window portion are associated with each other, and the memory 20 of the front right window portion stores threshold values of the front right window and the front left window portion. The threshold values of the front left seat and the front right window are stored in the memory 20 of the seat window, and the threshold values of the rear right seat and the rear left window are stored in the memory 20 of the rear right window. Can be stored in the memory 20 of the rear left window part and the threshold values of the rear left and rear right window parts.
[0043]
In this case, it is determined in step S2 whether or not the memory 20 of the corresponding window has been cleared. If not cleared, the memory 20 of the corresponding window has been cleared in step S3. The thresholds of the division and other windows are fetched. If the memory 20 of the corresponding window has been cleared in S2, it is determined whether the memory 20 of the window other than the corresponding window has been cleared, and the memory 20 has not been cleared. If there is the memory 20, the threshold value stored in the memory 20 is read out, the threshold value is stored in the own memory 20 as the threshold value of the other window portion, and the read out threshold value or the threshold value is stored. The threshold value is corrected based on the difference in the structure between the window portion and the own window portion of the threshold value, and the threshold value of the own window portion is calculated. If all the other memories 20 have been cleared, the process proceeds to S4, where the pulse width data and the threshold value are received from all the other windows including the corresponding windows as described above. It is determined whether or not the process has been performed. If NO, the process proceeds to S5, and if YES, the process proceeds to S6. In other cases, S7 to S17 are executed.
[0044]
In the normal control shown in FIG. 2 when the correspondence is provided in this way, the threshold value transmission to another window in U5 is performed to the other window in the correspondence.
[0045]
The correspondence may be not only the correspondence between the front seats and the backseats, but also the correspondence between the front seats and the backseats on the right, the front and backseats on the left, or other correspondence. Correspondence can also be performed.
[0046]
<Second threshold value setting method>
Next, a second threshold value setting method will be described. In the first threshold value setting method, the threshold value of the other window portion is stored in the memory 20 together with the threshold value of the own window portion. Is a method of reading the threshold value of the own window portion from the memory of the other window portion and using the threshold value. The second threshold value setting method is as follows. Each of the memories 20 stores only the threshold value of its own window portion. When the memory 20 of a certain window portion is reset, the threshold value of the other window portion is read from the memory 20 of another window portion. Is used to calculate the threshold value of the own window portion.
[0047]
When the second threshold value setting method is performed, the memory 20 of each window unit stores only the threshold value of its own window unit. When the memory 20 of the other window is cleared, the threshold of the other window is read from the memory 20 of the other window, and the threshold of the own window is calculated based on the threshold. .
[0048]
When the second threshold value setting method at the time of memory reset is performed, the threshold value setting method at the time of normal operation, not at the time of memory reset, is performed by a procedure in which U5, U7, and U8 in FIG. 2 are omitted.
[0049]
The procedure of the second threshold value setting method at the time of the memory reset is as shown in FIG. The procedure shown in FIG. 4 is almost the same as the first threshold value setting method shown in FIG. 2. Simply, in step T3 in FIG. The threshold value of the window portion is calculated, that is, the read threshold value of the other window portion is used as it is as the threshold value of the own window portion, or the read threshold value of the other window portion is compared with the read other window portion. A difference is that a threshold value of the own window portion is calculated by performing a correction calculation based on a difference in structure from the own window portion and the like, and is stored in the memory 20, and that a step corresponding to S11 in FIG. 3 is not provided. Just do it.
[0050]
In the second threshold value setting method shown in FIG. 4, when the memory of the own window is cleared, the threshold stored in the memory of any other window is read, The threshold value of the own window part is calculated based on the threshold value. In this case, priority is assigned to the other window parts, and the threshold value is read from the window part having the higher priority. Can also be configured. More specifically, for example, a correspondence relationship is provided for each window portion, and when the memory of a window portion is cleared, the memory of the window portion corresponding to the window portion is cleared. It is possible to read the threshold value and calculate the threshold value of the own window based on the threshold value. The correspondence in this case may be associated with, for example, the front seats and the rear seats, or may be associated with the right front and rear seats and the left front and rear seats. When the former is associated, the left and right windows of the front seat and the left and right windows of the rear seat have the same shape and structure, respectively, so that in this respect, the correlation between them is high, and such correlation is high. By using the threshold value, it is possible to calculate a more appropriate threshold value of the self-window portion. In this respect, there is a high correlation especially with respect to temperature and aging, and the use of such a high-correlation threshold value makes it possible to calculate a more appropriate threshold value of the own window portion. can do.
[0051]
<Forced window opening and warning notification control when battery is installed>
Next, the forced opening operation of the window and the warning notification control when a new battery is mounted for battery replacement or the like will be described.
[0052]
When a new battery is installed for battery replacement or the like, the removal of the battery is performed as a prerequisite for the installation, whereby the microcomputer of each pinching stop control means 18 is reset, and the memory 20 is also reset, thereby resetting the memory. The data stored in 20 is cleared including the above threshold value. Therefore, when the battery is mounted, it is necessary for each pinching stop control unit 18 to immediately newly calculate an appropriate threshold value of the own window unit and store it in the memory 20.
[0053]
In this case, a formal threshold cannot be calculated until the window 4 is actually closed and the pulse width data is detected after the battery is mounted, and the estimation threshold is calculated until the formal threshold is calculated. In this case, the occupant or the like is notified that the entrapment stop control is to be performed at the estimated threshold value, and the occupant or the like is alerted, and the window 4 is closed immediately so that the formal threshold value is obtained. It is desirable to encourage the user to calculate.
[0054]
Therefore, the opening / closing control means 10 of each window unit forcibly opens the windows 4 of all the window units when the battery is newly installed, and sets the estimated threshold value based on the pulse width data at the time of the opening operation. The forcible opening operation prompts the closing operation of the window 4 so that the formal threshold value can be calculated immediately by the window closing operation, and a warning is issued until the formal threshold value is calculated. To notify the occupant or the like that the trapping stop control will be performed based on the estimated threshold value, and to prompt the closing operation of the window 4 by the warning to promptly calculate the formal threshold value. , Forcibly opening the window and performing warning notification control.
[0055]
This control will be described with reference to FIG. 5. First, at P1, it is determined whether a battery is newly mounted. If not, normal control is performed at P2. If it is attached, an initial value prepared in advance is set as the threshold value of the own window portion in P3 and stored in the memory 20. Next, the windows 4 of all the windows are forcibly opened, and it is determined at P5 whether or not the pulse width data at the time of the opening operation has been secured. In the window section in which the window 4 was opened in P4 and the necessary pulse width data was secured, an estimated threshold value was calculated in P6 based on the pulse width data, and the estimated threshold value was set to the initial value in P3. Replaced and stored in the memory 20. It should be noted that since the above-described pinch detection is performed based on the load at the time of the window closing operation, the threshold value should be calculated based on the pulse width data at the time of the window closing operation. However, it is difficult to calculate an appropriate threshold value from the pulse width data at the time of the window opening operation, although it is related, but in this sense, the threshold value calculated from the pulse width data at the time of the opening operation is estimated. It is called a value.
[0056]
If the data could not be secured in the above P5, that is, if the window 4 was originally opened but could not be opened even if the window 4 was opened in the above P4, or if the opening operation was performed. If the necessary pulse width data cannot be secured, the above initial value is kept stored as the threshold value.
[0057]
Then, in the state where the initial value or the estimated threshold value is stored as the threshold value in the memory 20 of all the window portions as described above, the occupant starts warning by sound or light at P7. Thereafter, while continuing the warning, it is determined at P8 whether or not there is a closing operation input by the open / close switch 6, and if there is no closing operation input, the window 4 is closed at P9 if there is a closing operation input. In that case, the pinching stop control is performed using the threshold value stored in the memory 20 at that time. If the entrapment is not detected in P9, the pulse width data at the time of the closing operation is detected from the closing operation of the window 4 in P10, and the formal threshold value of the own window portion is determined based on the pulse width data. Is stored in the memory 20 in place of the initial value or the estimated threshold value.
[0058]
Then, in P11, it is determined whether or not the formal threshold values have been calculated for all the window portions and stored in the memory 20. If there are window portions for which the formal threshold values have not yet been stored, the process returns to P8. When the formal threshold values can be calculated and stored in all the window sections, the warning is released in P12.
[0059]
In the above example, the warning is notified until the formal threshold value is calculated in all the windows. In the above example, the warning is notified and canceled in units of each window. It is also possible to configure so that an occupant or the like can know whether the formal threshold value has not been calculated yet.
[0060]
<Release of pinch stop control by reclosing operation input>
Next, cancellation of the pinch stop control will be described. In the above-described pinch stop control, when a pinch occurs in the window 4, the closing operation of the window 4 is stopped, the motor 8 is turned over, and the window 4 is opened. , The window 4 cannot be closed even if the window 4 is closed by the open / close switch 6 because the pinch stop control causes the window 4 to open halfway. Cannot be stopped. In order to solve this problem, the opening / closing control means 10 of each window unit is configured to release the pinch suspension control in such a case and to prevent an intruder or the like.
[0061]
This will be described with reference to FIG. 6. In Q1, it is determined whether or not the window 4 starts reversing and is opening by the pinching stop control. It is again determined whether or not the closing operation has been performed by the open / close switch 6. If the closing operation has been performed again by the open / close switch 6, the pinching stop control is released in Q 3, and the reverse opening operation of the window 4 is stopped. The window 4 is closed in response to the switch closing operation again.
[0062]
As described above, if the closing operation is performed again by the open / close switch while the window 4 is performing the reverse opening operation by the sandwiching stop control, the reverse opening operation function is cancelled, and the window operation is performed according to the switch operation. The closing operation of 4 can prevent entry from outside the vehicle.
[Brief description of the drawings]
FIG. 1 is a block diagram showing an example of a power window device according to the present invention.
FIG. 2 is a diagram showing a normal control procedure when a first pinching stop control is performed.
FIG. 3 is a diagram showing a first pinching stop control procedure;
FIG. 4 is a diagram showing a second pinching stop control procedure;
FIG. 5 is a diagram showing a forcible opening operation and a subsequent warning notification procedure when a battery is mounted.
FIG. 6 is a diagram showing a procedure for releasing pinching stop control by a reclose operation input;
[Explanation of symbols]
2 Window section
4 windows
6 Open / close switch
8 Opening / closing drive means (motor)
10 Opening / closing control means
18 Pinching stop control means
20 memories

Claims (5)

A plurality of window units each including a window, an opening / closing drive unit for opening / closing the window, and a pinching stop control unit for stopping the closing operation when the pinching is detected during the closing operation of the window; The means has a memory for storing the pinch detection data of the own window for performing the pinch detection of the own window, and based on the pinch detection data of the own window stored in the memory. In a power window device that performs pinch detection of its own window unit and learns and updates data for pinch detection of its own window unit,
The memory of the pinch stop control means stores the pinch detection data of the other window part together with the pinch detection data of the own window part. The pinch stop control means stores the pinch detection data of the own window part in the memory. When the detection data is lost, the data for the pinch detection of the own window stored in the memory is read from the memory of the pinch suspension control means of the other window, and the read data for the pinch detection is stored in the own window. A power window device used as data for detecting pinch of a part. When the data for detecting the pinch of the other window in the memory of the pinch stop control of the other window is updated, the pinch stop control means detects the pinch of the other window in the memory. The power window device according to claim 1, wherein the data is updated in a similar manner. When the pinch detection data in the memories of all of the pinch stop controllers has disappeared, the pinch stop control means may reset the initial state stored in the memory of the pinch stop control means of any of the window portions. 2. The power window device according to claim 1, wherein the pinch detection data other than the value is read out, and the pinch detection data of the own window portion is calculated based on the pinch detection data of the other window portion. A plurality of window units each including a window, an opening / closing drive unit for opening / closing the window, and a pinching stop control unit for stopping the closing operation when the pinching is detected during the closing operation of the window; The means has a memory for storing the pinch detection data of the own window for performing the pinch detection of the own window, and based on the pinch detection data of the own window stored in the memory. In a power window device that performs pinch detection of its own window unit and learns and updates data for pinch detection of its own window unit,
The pinch stop control means, when the pinch detection data of the own window portion in the memory is lost, stores the pinch of the other window portion stored in the memory from the memory of the pinch stop control means of the other window portion. A power window device which reads out data for detection of intrusion, and calculates data for detection of intrusion in the own window based on the data for detection of intrusion in the other window. The power window device according to any one of claims 1 to 4, wherein learning of the pinch detection data of the own window portion is performed based on a closing operation of the own window portion.

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