Opening and closing member control device

Abstract

To provide an opening / closing member control apparatus that can reduce a collision noise of a spring.SOLUTION: A control apparatus opens and closes a window glass whose tip end portion is sandwiched between glass runs in a fully closed state via an opening wire by reversing and forwarding a motor. An end portion of the opening wire is slidably attached to a slider base via a spring member. The control apparatus determines whether an energization off condition of the motor is satisfied after the motor is started to drive to operate the window glass from the fully closed state in an open direction and in a state where the tip end portion is sandwiched between the glass runs (S10, S11). The control apparatus turns off the energization to the motor when the energization off condition is satisfied (S15). Then, the control apparatus restarts operation of the motor when a re-energization on condition of the motor is satisfied after the energization off (S16, S17).SELECTED DRAWING: Figure 6

Description

[Technical field]

[0001] The present disclosure relates to an opening / closing member control device. [Background technology]

[0002] As an example of an opening / closing member control device, Patent Document 1 discloses a technique for opening and closing a window glass as an opening / closing member by using a wire-type regulator device (hereinafter, referred to as regulator). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2004-190394 A Summary of the Invention [Problem to be solved by the invention]

[0004] The regulator includes a wire and a fixing member for fixing the wire to the window glass. An end of the wire is slidably attached to the fixing member via a spring member. The opening / closing member control device using the regulator rotates a motor to wind up the wire, thereby opening or closing the window glass fixed to the fixing member.

[0005] Incidentally, when the window glass is in a fully closed state, the leading edge of the window glass is sandwiched in a seal portion attached to the window frame. Therefore, when the window glass is opened from the fully closed state, friction occurs between the window glass and the seal portion. Also, the regulator contracts the spring member by winding up the wire. Then, when the window glass comes out of the seal portion, a reaction force against the friction occurs, and the window glass rapidly accelerates in the opening direction.

[0006] As a result, the spring member of the regulator may slide, causing the spring member to collide with the fixed member. Also, as the window glass moves in the opening direction, the spring member may repeatedly collide with the fixed member. In this case, the regulator generates noise when the spring member collides with the fixed member.

[0007] One disclosed object is to provide an opening / closing member control device that can reduce the impact noise of a spring member. [Means for solving the problem]

[0008] The opening and closing member control device disclosed herein comprises: In the fully closed state, the opening / closing member, the tip of which is sandwiched between the seal member, is opened and closed via a wire by rotating the electric motor in the normal and reverse directions, and the end of the wire is slidably attached via a spring member to a fixing member fixed to the opening / closing member, a drive start unit (S10) that starts driving the motor to operate the opening / closing member in the opening direction from a fully closed state; 、 a drive stop determination unit (S11) that determines whether or not a drive stop condition for the motor is satisfied after the motor starts to drive and in a state in which the tip portion is sandwiched by the seal member; a drive stopping unit (S15) that stops the drive of the electric motor when it is determined that the drive stopping condition is satisfied; a restart determination unit (S16) that determines whether or not a restart condition for the motor is satisfied after the motor has been stopped; and a re-driving unit (S17) for re-driving the electric motor when it is determined that the re-driving condition is satisfied. And, The drive stop determination unit acquires the rotation speed of the electric motor at predetermined time intervals, and determines that the drive stop condition is satisfied when the rotation speed deviation from the reference value is equal to or greater than a stop threshold value, using the rotation speed when the rotation speed has decreased as a reference value. It is characterized by:

[0009] In this manner, the opening / closing member control device stops the driving of the motor when the driving stop condition of the motor is satisfied after the opening / closing member starts to drive and with the tip portion being sandwiched between the sealing member. Therefore, the opening / closing member control device can weaken the reaction force against the friction between the opening / closing member and the sealing portion when the opening / closing member comes out of the sealing portion. The opening / closing member control device disclosed herein further comprises: In the fully closed state, the opening / closing member, the tip of which is sandwiched between the seal member, is opened and closed via a wire by rotating the electric motor in the normal and reverse directions, and the end of the wire is slidably attached via a spring member to a fixing member fixed to the opening / closing member, a drive start unit (S10) that starts driving the electric motor to operate the opening / closing member in an opening direction from a fully closed state; a drive stop determination unit (S11) that determines whether or not a drive stop condition for the motor is satisfied after the motor starts to drive and in a state in which the tip portion is sandwiched by the seal member; a drive stopping unit (S15) that stops the drive of the electric motor when it is determined that the drive stopping condition is satisfied; a restart determination unit (S16) that determines whether or not a restart condition for the motor is satisfied after the motor has been stopped; and a re-driving unit (S17) that re-drives the electric motor when it is determined that the re-driving condition is satisfied. The drive stop determination unit is characterized in that it determines that the drive stop condition is met when the opening / closing member has moved a preset stopping distance or more from the fully closed position of the opening / closing member. The opening / closing member control device disclosed herein further comprises: In the fully closed state, the opening / closing member, the tip of which is sandwiched between the seal member, is opened and closed via a wire by rotating the electric motor in the normal and reverse directions, and the end of the wire is slidably attached via a spring member to a fixing member fixed to the opening / closing member, a drive start unit (S10) that starts driving the electric motor to operate the opening / closing member in an opening direction from a fully closed state; a drive stop determination unit (S11) that determines whether or not a drive stop condition for the motor is satisfied after the motor starts to drive and in a state in which the tip portion is sandwiched by the seal member; a drive stopping unit (S15) that stops the drive of the electric motor when it is determined that the drive stopping condition is satisfied; a restart determination unit (S16) that determines whether or not a restart condition for the motor is satisfied after the motor has been stopped; and a re-driving unit (S17) that re-drives the electric motor when it is determined that the re-driving condition is satisfied. The re-drive determination unit determines that the re-drive condition is established when the opening / closing member moves a predetermined re-drive distance or more after the driving of the motor is stopped. The opening / closing member control device disclosed herein further comprises: In the fully closed state, the opening / closing member, the tip of which is sandwiched between the seal member, is opened and closed via a wire by rotating the electric motor in the normal and reverse directions, and the end of the wire is slidably attached via a spring member to a fixing member fixed to the opening / closing member, a drive start unit (S10) that starts driving the electric motor to operate the opening / closing member in an opening direction from a fully closed state; a drive stop determination unit (S11) that determines whether or not a drive stop condition for the motor is satisfied after the motor starts to drive and in a state in which the tip portion is sandwiched by the seal member; a drive stopping unit (S15) that stops the drive of the electric motor when it is determined that the drive stopping condition is satisfied; a restart determination unit (S16) that determines whether or not a restart condition for the motor is satisfied after the motor has been stopped; and a re-driving unit (S17) that re-drives the electric motor when it is determined that the re-driving condition is satisfied. The re-drive determination unit is characterized in that it determines that the re-drive condition is established when the rotation speed of the electric motor becomes equal to or greater than a preset rotation speed threshold value after the driving of the electric motor is stopped. The opening / closing member control device disclosed herein further comprises: In the fully closed state, the opening / closing member, the tip of which is sandwiched between the seal member, is opened and closed via a wire by rotating the electric motor in the normal and reverse directions, and the end of the wire is slidably attached via a spring member to a fixing member fixed to the opening / closing member, a drive start unit (S10) that starts driving the electric motor to operate the opening / closing member in an opening direction from a fully closed state; a drive stop determination unit (S11) that determines whether or not a drive stop condition for the motor is satisfied after the motor starts to drive and in a state in which the tip portion is sandwiched by the seal member; a drive stopping unit (S15) that stops the drive of the electric motor when it is determined that the drive stopping condition is satisfied; a restart determination unit (S16) that determines whether or not a restart condition for the motor is satisfied after the motor has been stopped; and a re-driving unit (S17) that re-drives the electric motor when it is determined that the re-driving condition is satisfied. The re-drive determination unit obtains the rotation speed of the electric motor at predetermined time intervals, and determines that the re-drive condition is satisfied when the rotation speed increases.

[0010] The opening / closing member control device then restarts the electric motor when a restart condition for the electric motor is satisfied after the electric motor has been stopped. Thus, the opening / closing member control device can prevent the spring member from sliding and colliding with the fixed member. Thus, the opening / closing member control device can reduce the collision noise of the spring member.

[0011] The aspects disclosed in this specification adopt different technical means to achieve their respective objectives. The claims and the parenthetical symbols described in this section are illustrative of the corresponding relationship with the embodiments described below, and are not intended to limit the technical scope. The objectives, features, and effects disclosed in this specification will become clearer by referring to the following detailed description and the attached drawings. [Brief description of the drawings]

[0012] [Figure 1] FIG. 2 is a block diagram showing a schematic configuration of a control device according to the embodiment. [Diagram 2] 1 is an image showing a schematic configuration of a door in an embodiment. [Diagram 3] 4 is an image showing a relationship between a window glass and a glass run in a fully closed state in the embodiment. [Figure 4] 4 is an image showing a relationship between a slider base and a spring member in the embodiment. [Diagram 5] FIG. 4 is a state transition diagram showing a processing operation of a control device in the embodiment. [Figure 6] 4 is a flowchart showing a processing operation of a control device in the embodiment. [Figure 7] 4 is a diagram showing a relationship between a position of a window glass and a current-carrying state in an embodiment. [Figure 8] 1 is a diagram showing a relationship between a power supply voltage and the number of edges in an embodiment. [Figure 9] 4 is a diagram showing a relationship between the number of rotations and the number of edges in an embodiment. [Figure 10]4 is a diagram showing a relationship between a power supply voltage and a free running distance after power supply is turned off in the embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0013] Hereinafter, embodiments of the present disclosure will be described with reference to the drawings.

[0014] <Overall composition> In this embodiment, an example is adopted in which an opening / closing member control device is applied to a control device 100. The control device 100 is configured to be mountable on a vehicle. In addition, in this embodiment, a window glass 410 of the vehicle is adopted as an example of an opening / closing member. Therefore, the control device 100 controls the opening and closing of the window glass 410 as an opening / closing member.

[0015] 1, the control device 100 includes a controller 1 and a drive circuit 2. The control device 100 is electrically connected to a battery 500. The control device 100 operates by receiving power from the battery 500. Note that in the control device 100, power is supplied to the controller 1 and the drive circuit 2 from the battery 500. The configuration and processing operation of the control device 100 will be described in detail later.

[0016] The control device 100 is electrically connected to the switch device 200, the body ECU 210, the motor 300, and the rotation sensor 310. The control device 100 rotates the motor 300 forward and backward to raise and lower (open and close) the window glass 410 via wires 425, 426. The configuration of the door 400 on which the window glass 410 is provided will be described in detail later. The motor 300 corresponds to an electric motor.

[0017] The switch device 200 is provided inside the vehicle cabin. The switch device 200 includes an up switch 201, a down switch 202, an auto switch 203, and the like that can be operated by a user of the vehicle.

[0018] The up switch 201 is a switch that operates to close the window glass 410. When the up switch 201 is operated and turned on, it outputs a normally closed command signal to the controller 1 for operating the window glass 410 normally closed. The normally closed operation means that the window glass 410 is closed only while the up switch 201 is being operated. The up switch 201 can also be called a close switch. The normally closed operation can also be called a manual closed operation.

[0019] The down switch 202 is a switch that operates to open the window glass 410. When the down switch 202 is operated and turned on, it outputs a normally open command signal to the controller 1 for operating the window glass 410 normally in an open state. The normally open operation means that the window glass 410 is opened only while the down switch 202 is being operated. The down switch 202 can also be called an open switch. The normally open operation can also be called a manual open operation.

[0020] The auto switch 203 is a switch that automatically operates the window glass 410. When the auto switch 203 is operated together with the up switch 201 to be turned on, it outputs an auto close signal to the controller 1 for automatically operating the window glass 410 to close. When the auto switch 203 is operated together with the down switch 202 to be turned on, it outputs an auto open signal to the controller 1 for automatically operating the window glass 410 to open. The auto close operation or auto open operation means that the window glass 410 operates even if the operation of the up switch 201 or the down switch 202 is stopped.

[0021] The body ECU 210 includes a calculation device such as a CPU, a storage device including a RAM and a ROM, a wireless communication device, an interface, etc. The body ECU 210 is provided in a vehicle. The body ECU 210 outputs various signals including a remote control signal and an interlocking operation signal to the controller 1. The remote control signal is a signal transmitted in response to the operation of the switches 221, 222 of the wireless switch device 220 and received by the wireless communication device. The remote control signal will be described in detail later.

[0022] The interlocking operation signal is a signal generated in response to the operation of a vehicle key or a door knob, etc. For example, the body ECU 210 outputs an interlocking operation signal indicating a close command signal for performing a key-interlocking close operation of the window glass 410, or an open command signal for performing a key-interlocking open operation, in conjunction with a key operation by a user.

[0023] The wireless switch device 220 includes an up switch 221, a down switch 222, and the like. The wireless switch device 220 remotely operates the window glass 410 from outside the vehicle, and is integrated with a portable device that uses radio waves, infrared rays, and the like. The wireless switch device 220 is configured to be capable of wireless communication with the body ECU 210. When the up switch 221 is operated and turned on, it transmits a remote operation signal indicating a close command signal for remotely closing the window glass 410. When the down switch 222 is operated and turned on, it transmits a remote operation signal indicating an open command signal for remotely opening the window glass 410.

[0024] The motor 300 is rotationally driven by the control device 100. The rotation sensor 310 is configured to detect magnetic changes of a magnet that rotates together with the output shaft of the motor 300 using a plurality of Hall elements. Note that the rotation of the motor 300 refers to the rotation of a rotor provided in the motor 300. Therefore, the rotation speed of the motor 300 is the rotation speed of the rotor.

[0025] <Door configuration> Here, the configuration of the door 400 will be described with reference to Figures 2, 3, and 4. As shown in Figure 2, the door 400 includes a glass run 401 provided in a window frame, a window glass 410 for opening and closing the window frame, and a regulator 420 for driving the window glass 410.

[0026] The glass run 401 is a sealing member that is attached to the window frame of a vehicle. The glass run 401 is made of, for example, resin as a main component. The glass run 401 is provided to close the gap between the window glass 410 and the window frame to prevent noise, rain, wind, etc. from entering the vehicle interior.

[0027] The window glass 410 is configured to be movable between a fully closed position and a fully open position. That is, as shown in Fig. 2, the window glass 410 is configured to be movable in a closing direction UD and an opening direction DD.

[0028] 3, the leading end of the window glass 410 is sandwiched between the glass run 401 in the fully closed state. The leading end of the window glass 410 is sandwiched between the glass run 401 not only in the fully closed state but also in a state where the window glass 410 has moved a predetermined distance in the opening direction from the fully closed state. In other words, when the window glass 410 moves beyond the predetermined distance from the fully closed position, the leading end moves outside the glass run 401. The leading end of the window glass 410 can also be referred to as the edge of the window glass 410.

[0029] Hereinafter, the state in which a portion of the window glass 410 is sandwiched between the glass runs 401 may be simply referred to as a state in which the window glass 410 is sandwiched between the glass runs 401. The state in which a portion of the window glass 410 is sandwiched between the glass runs 401 may also be referred to as a state in which the window glass 410 is disposed within the glass run 401.

[0030] The glass run 401 is provided for the above-mentioned purpose. Therefore, it can be said that the window glass 410 is in close contact with the glass run 401 while being sandwiched between the glass runs 401.

[0031] 2, the regulator 420 includes a slider base 421, a driving pulley 422, driven pulleys 423 and 424, an opening wire 425, a closing wire 426, and a spring member 427. The opening wire 425 corresponds to a wire.

[0032] The regulator 420 is a device that drives the window glass 410 together with the motor 300 attached to the door. Therefore, the motor 300 and the regulator 420 can be said to be a drive mechanism for the window glass 410.

[0033] The slider base 421 is a member that fixes the wires 425, 436 and the window glass 410. The slider base 421 is fixed to the window glass 410 with screws or the like. The slider base 421 is fixed, for example, to the lower end side of the window glass 410. The slider base 421 corresponds to a fixing member.

[0034] 4, an end of the opening wire 425 is slidably attached to the slider base 421 via a spring member 427. More specifically, the slider base 421 includes a spring accommodating portion 421a in which the spring member 427 is accommodated. The spring member 427 is attached to the end of the opening wire 425. The spring member 427 is accommodated in the spring accommodating portion 421a in a slidable state. The spring member 427 is accommodated in the spring accommodating portion 421a in a state in which it can be compressed and elastically deformed.

[0035] The slider base 421 is also slidably attached via a spring member with respect to the closing wire 426. Fig. 4a shows a state in which the spring member 427 is bent (compressed state) when a force is applied to the spring member 427. Fig. 4b shows a state in which the spring member 427 is not bent.

[0036] The driving pulley 422 is connected to an output shaft of the motor 20. The opening wire 425 is stretched across the driving pulley 422 and the driven pulley 424. The closing wire 426 is stretched across the driving pulley 422 and the driven pulley 423.

[0037] In the regulator 420, the driven pulley 422 rotates due to the rotation of the motor 20. The opening wire 425 is wound up due to the rotation of the driven pulley 422, so that the regulator 420 moves the window glass 410 in the opening direction DD. The closing wire 426 is wound up due to the rotation of the driven pulley 422, so that the regulator 420 moves the window glass 410 in the closing direction UD. In other words, the window glass 410 moves in the opening direction DD due to the slider base 421 being pulled by the opening wire 425 via the spring member 427. On the other hand, the window glass 410 moves in the closing direction UD due to the slider base 421 being pulled by the closing wire 426 via the spring member.

[0038] The motor 20 rotates in opposite directions in the opening direction DD and the closing direction UD. The following mainly describes the processing operation and configuration when moving the window glass 410 in the opening direction DD.

[0039] The spring member 427 employs, for example, a compression coil spring. A force is applied to the spring member 427 from the opening wire 425. When the opening wire 425 is wound with the rotation of the motor 300, the spring member 427 is deformed (compressed) if the rotation speed of the motor 300 is faster than the moving speed of the window glass 410. Furthermore, as shown in FIG. 4a, the spring member 427 may be deformed to the compression limit or a state close to it if the rotation speed of the motor 300 is sufficiently faster than the moving speed of the window glass 410. Furthermore, as shown in FIG. 4b, the spring member 427 is elastically deformed if the moving speed of the window glass 410 is sufficiently faster than the rotation speed of the motor 300.

[0040] <Control device configuration> The configuration of the control device 100 will be described with reference to Fig. 1. The controller 1 includes a calculation device 11 such as a CPU, and a storage device 12 including a RAM, a ROM, and the like. The controller 1 may further include an interface, etc. The controller 1 receives the above-mentioned signals from the switch device 200 and the body ECU 210.

[0041] The arithmetic device 11 executes a program to perform arithmetic processing using data, etc. The storage device 12 stores programs executable by the arithmetic device 11, data used by the arithmetic device 11 for arithmetic processing, etc.

[0042] The arithmetic device 11 drives and controls the drive circuit 2 based on signals from the switch device 200 and the like. The arithmetic device 11 drives and controls the power supply to the motor 300, thereby driving and rotating the motor 300. In this manner, the control device 100 opens and closes the window glass 410. Note that supplying power to the motor 300 to move the window glass 410 in the opening direction DD is also referred to as a down operation.

[0043] The arithmetic unit 11 executes various functions by performing arithmetic processing. Therefore, it can be said that the arithmetic unit 11 has various functional blocks. The arithmetic unit 11 has, for example, a window position detection unit 11a and a rotation speed detection unit 11b as functional blocks. The storage device 12 stores, as data, the above-mentioned signals and the detection results of the window position detection unit 11a and the rotation speed detection unit 11b.

[0044] The rotation speed detection unit 11b detects the rotation speed of the motor 300 based on an electrical signal output from a rotation sensor 310 for detecting the rotation speed of the motor 300. That is, the rotation speed detection unit 11b detects the rotation speed of the motor 300 based on an edge (pulse edge) of a pulse signal, which is an electrical signal output from the rotation sensor 310. The rotation speed detection unit 11b detects the rotation speed based on a rising edge or a falling edge of the pulse signal. The rotation speed detection unit 11b may also detect the rotation direction of the motor 300 based on a phase difference between each pulse signal.

[0045] The window position detection unit 11a detects the position of the window glass 410 based on the pulse signal. That is, the window position detection unit 11a counts pulse edges. This pulse count value is added or subtracted in accordance with the opening or closing operation of the window glass 410. The window position detection unit 11a can identify the opening or closing position of the window glass 410 based on the magnitude of this pulse count value.

[0046] The window position detection unit 11a can drive the window glass 410, for example, with the fully closed position of the window glass 410 as a reference position. When the fully closed position is the reference position, the pulse count value is set to 0 at the fully closed position. When the window glass 410 is moving toward one end of the operation range (operation section), for example, toward the opening direction DD, the window position detection unit 11a increments the pulse count value by 1 every time it receives a pulse signal. When the window glass 410 is moving toward the other end of the operation range, that is, toward the closing direction UD, the window position detection unit 11a decrements the pulse count value by 1 every time it receives a pulse signal.

[0047] The window position detector 11a may drive the window glass 410 with the fully open position as the reference position. In this case, the pulse count value is set to "0" at the fully open position. The window position detector 11a increments the pulse count value when the window glass 410 moves in the closing direction UD. On the other hand, the window position detector 11a decrements the pulse count value when the window glass 410 moves toward the fully open position.

[0048] The controller 1 has, for example, a driver's seat manual mode, a driver's seat auto mode, a remote manual mode, and a key-linked mode as operation modes for operating the window glass 410. The controller 1 selects the operation mode in response to an operation signal for operating the window glass 410. Then, the controller 1 operates the window glass 410 in response to the selected operation mode. Examples of the operation modes include a driver's seat manual mode, a driver's seat auto mode, a remote manual mode, and a key-linked mode.

[0049] The own seat manual mode is a mode in which manual closing and manual opening operations are performed. When a normally closing command signal or a normally opening command signal is input, the controller 1 selects the own seat manual mode.

[0050] The own seat auto mode is a mode in which the automatic closing operation and the automatic opening operation are performed. When an automatic closing signal or an automatic opening signal is input, the controller 1 selects the own seat auto mode.

[0051] The remote manual mode is a mode in which a remote closing operation and a remote opening operation are performed. The controller 1 selects the remote manual mode when a remote operation signal indicating a closing command signal or a remote operation signal indicating an opening command signal is input.

[0052] The key-linked mode is a mode in which key-linked close operation and key-linked open operation are performed. The controller 1 selects the key-linked mode when a linkage operation signal indicating a close command signal or a linkage operation signal indicating an open command signal is input.

[0053] In the present embodiment, as an example, a normally closed command signal, a normally open command signal, an auto close signal, an auto open signal, an interlocking operation signal, and a remote control signal are used as the operation signals. However, the present disclosure is not limited to this. For example, a configuration in which only a normally closed command signal and a normally open command signal are used as the operation signals may be used.

[0054] The drive circuit 2 drives and rotates the motor 300 in response to an instruction value (input signal) from the controller 1. More specifically, the drive circuit 2 has a switching element and the like. The drive circuit 2 switches the polarity of the power supply to the motor 300 based on the input signal from the controller 1. That is, when the drive circuit 2 receives a forward rotation command value as an input signal from the controller 1, it supplies power to the motor 20 so as to rotate the motor 300 in the forward rotation direction. On the other hand, when the drive circuit 2 receives a reverse rotation command value as an input signal from the controller 1, it supplies power to the motor 20 so as to rotate the motor 20 in the reverse rotation direction.

[0055] <Processing Operation> Here, the processing operation of the control device 100 will be described with reference to FIGS.

[0056] Generally, as shown by the dotted lines in FIG. 5, a control device that controls the opening and closing (raising and lowering) of a window glass has two states: stopped and in down operation. In contrast, as shown by the dotted and solid lines in FIG. 5, the control device 100 has a state of waiting for re-operation of down in addition to being stopped and in down operation. This is because the control device 100 temporarily stops (turns off) the power supply to the motor 300 during down operation and then resumes the power supply to the motor 300. This point will be described in detail using the flowchart in FIG. 6. Note that waiting for re-operation of down is also referred to as waiting for re-operation. FIG. 5 is a state transition diagram during operation in the driver's seat manual mode.

[0057] When an actuation signal is input, the control device 100 starts the process shown in the flowchart of Fig. 6 at predetermined time intervals. Note that the flowchart of Fig. 6 is mainly executed by the controller 1 provided in the control device 100.

[0058] In step S10, a start-up process is performed. The controller 1 determines the operation mode based on the operation signal. Then, the controller 1 energizes the motor 300 according to the determined operation mode (energization ON). When the window glass 410 is in a fully closed state (stopped) and an operation signal for operating the window glass 410 in the opening direction DD, such as a normally open command signal, is input, the controller 1 starts energizing the motor 300. That is, the controller 1 starts driving the motor 300 to operate the window glass 410 from the fully closed state to the opening direction DD (driving start section). In the following, energization of the motor 300 is also simply referred to as energization.

[0059] In this case, the controller 1 starts energizing when the window glass 410 is in the fully closed position, as shown in Fig. 7. Also, as shown in Fig. 8, energizing starts at x1. This causes the energizing voltage to the motor 300 to gradually increase. In Fig. 8, the solid line indicates the command value, and the dashed line indicates the actual energizing voltage.

[0060] 9B, when power supply is started at time t0, the rotation speed of the motor 300 increases and the position of the window glass 410 moves. As a result, the control device 100 makes a state transition from stopped to in the down operation.

[0061] In the example of Fig. 7, the fully closed position is when the pulse edge number is 10. The glass run position in Fig. 7 indicates the position of the end of glass run 401. Therefore, when the pulse edge number is between 10 and 30, the tip of window glass 410 is sandwiched by glass run 401.

[0062] On the other hand, when the number of pulse edges exceeds 30, the leading end of the window glass 410 is disposed outside the glass run 401. Therefore, the window glass 410 is not sandwiched between the glass run 401.

[0063] FIG. 9b shows the relationship between the rotation speed and the number of pulse edges when the control device 100 controls the power supply. FIG. 9a shows the relationship between the rotation speed and the number of pulse edges in a configuration (comparative example device) in which temporary power supply cut is not performed during a down operation. Timings t0 to t2 of FIG. 9a-b show the relationship between the rotation speed and the number of pulse edges in a state in which the window glass 410 is sandwiched between the glass run 401. Timings t2 to t3 of FIG. 9a-b show the relationship between the rotation speed and the number of pulse edges immediately after the window glass 410 has come out of the glass run 401. Timings t3 to t4 of FIG. 9a-b show the relationship between the rotation speed and the number of pulse edges after the window glass 410 has come out of the glass run 401 and the rotation speed has increased.

[0064] In step S11, it is determined whether or not a power-off condition is satisfied (drive stop determination unit). After the motor 300 starts to drive, and in a state where the leading end of the window glass 410 is sandwiched between the seal member, the controller 1 determines whether or not the power-off condition for the motor 300 is satisfied.

[0065] The controller 1 acquires the number of rotations of the motor 300 at predetermined time intervals (number of rotations detector 11b). For example, when the controller 1 starts to energize the motor 300, the controller 1 starts acquiring the number of rotations. The controller 1 then acquires the number of rotations at predetermined time intervals.

[0066] The controller 1 stores the rotation speed when the rotation speed has decreased in the RAM or the like as a reference value. That is, the controller 1 subtracts the rotation speed previously acquired from the rotation speed acquired this time. Then, if the subtraction result is smaller than 0, the controller 1 stores the rotation speed acquired this time as a reference value. In the example of b in FIG. 9, the rotation speed at timing t1 is stored. Furthermore, the controller 1 determines that the power-off condition is satisfied if the deviation of the rotation speed acquired at every predetermined time from the reference value is equal to or greater than the stop threshold value. The power-off condition corresponds to the drive stop condition.

[0067] The control device 100 may have a full power opening operation mode in which the window glass 410 is opened at full power at low temperatures, etc. In such a configuration, the control device 100 may determine that the power supply off condition is not satisfied when the full power opening operation mode is selected.

[0068] The power-off condition is not limited to the above. The power-off condition can also be the distance from the fully closed position of the window glass 410. The controller 1 may determine that the power-off condition is met when the window glass 410 moves a preset stopping distance or more from the fully closed position of the window glass 410 (drive stop determination unit).

[0069] In this case, the controller 1 determines whether or not the window glass 410 has moved by the stopping distance or more, using the position of the window glass 410 detected by the window position detection unit 11a. Alternatively, the controller 1 may determine whether or not the window glass 410 has moved by the stopping distance or more, based on the elapsed time from the start of energization.

[0070] In step S12, the operation mode before the power supply is turned off is saved. The controller 1 saves the operation mode determined in step S10 in a RAM or the like. This is to operate the window glass 410 in the same operation mode as before the power supply is turned off when the power supply is resumed after the power supply is temporarily turned off. However, when the controller 1 operates the window glass 410 in only one operation mode, step S12 can be omitted.

[0071] In step S13, the state is changed to a state of waiting for a restart of the down state, and the controller 1 stores, in the RAM or the like, standby information indicating a state transition to the state of waiting for a restart of the down state.

[0072] In step S14, it is determined whether or not to make a state transition to waiting for a re-activation of a down state. The controller 1 makes this determination based on whether or not standby information is stored. If standby information is stored, the controller 1 determines that the state will transition to waiting for a re-activation of a down state, and proceeds to step S15. If standby information is not stored, the controller 1 determines that the state will not transition to waiting for a re-activation of a down state, and ends the flowchart.

[0073] In step S15, the power supply is turned off (drive stop unit). When it is determined that the power supply off condition is satisfied, the controller 1 stops the power supply. That is, the controller 1 temporarily stops the power supply during the down operation. As a result, the control device 100 makes a state transition from the down operation to the down operation waiting state.

[0074] The controller 1 stops the energization at x2 as shown in Fig. 8. That is, the controller 1 outputs an instruction value to stop the energization. This causes the energization voltage to gradually decrease. In other words, the controller 1 stops driving the motor 300.

[0075] 7, the controller 1 turns off the current flow when the pulse edge count is 26. When the pulse edge count is 26, the leading edge of the window glass 410 is sandwiched between the glass run 401. In other words, the controller 1 stops the current flow when the leading edge of the window glass 410 is sandwiched between the glass run 401. It can also be said that the controller 1 stops the current flow when a part of the window glass 410 remains inside the glass run 401.

[0076] In the example of Fig. 9b, the power supply is stopped between timing t1 and timing t2. The rotation speed of the motor 300 does not immediately become 0 even when the power supply is stopped, but gradually decreases. Therefore, the window glass 410 moves in the opening direction DD even when the power supply is stopped. The movement of the window glass 410 while the power supply is stopped is called idling.

[0077] Here, the free running distance (number of pulse edges) will be described with reference to Fig. 10. Fig. 10 shows the result of measuring the distance the window glass 410 moved when electricity was actually stopped. When electricity was stopped from a state in which 10 V was being supplied to the motor 300, the window glass 410 moved five pulse edges in the opening direction DD. Also, when the voltage was stopped from a state in which 14 V was being supplied to the motor 300, the window glass 410 moved nine pulse edges in the opening direction DD.

[0078] In this way, the free running distance can be known in advance through experiments, simulations, etc. Also, the glass run position within the movement range of the window glass 410 can be known in advance. Therefore, by knowing the relationship between the energization voltage to the motor 300 and the free running distance, and the glass run position, the controller 1 can remove the window glass 410 from the glass run 401 even if the energization is stopped while the window glass 410 is caught in the glass run 401.

[0079] 7, the controller 1 stops the energization at the pulse edge number 26. That is, the window glass 410 starts to idle from the pulse edge number 26. The window glass 410 continues to idle until the pulse edge number exceeds 30.

[0080] Note that removing the leading end of the window glass 410 from the glass run 401 means that the window glass 410 can be moved to a position where the leading end of the window glass 410 is disposed outside the glass run 401. In other words, when the leading end of the window glass 410 is removed from the glass run 401, the entire window glass 410 is disposed outside the glass run 401.

[0081] 9A, in the comparative device, the rotation speed increases suddenly from timing t2 to t3 because the power supply is not temporarily turned off during the down operation. In other words, in the comparative device, the window glass 410 suddenly accelerates immediately after it leaves the glass run 401.

[0082] In response to this, the control device 100 temporarily stops the energization, and in this state, moves the window glass 410 to the outside of the glass run 401. In other words, while the window glass 410 is sandwiched between the glass run 401, the control device 100 temporarily slows down the moving speed of the window glass 410, and then moves the window glass 410 to the outside of the glass run 401. Therefore, at the timings t2 to t3 in FIG. 9b, an increase in the rotation speed can be suppressed more than at the timing a in FIG. 9a. In other words, the control device 100 can suppress the window glass 410 from suddenly accelerating immediately after the window glass 410 leaves the glass run 401.

[0083] It can also be said that the control device 100 provides a power supply stop section in which power supply to the motor 300 is stopped. The power supply stop section is at least a part of the section between a position moved from the fully closed position toward the glass run position and the glass run position. It can also be said that the control device 100 provides a power supply stop period in which power supply to the motor 300 is stopped. The power supply stop period is a predetermined period after the window glass 410 starts to move from the fully closed position in the opening direction DD and at least before the window glass 410 comes out of the glass run 401.

[0084] In step S16, it is determined whether or not the re-energization ON condition is satisfied (re-drive determination unit). The controller 1 determines whether or not the re-energization ON condition of the motor 300 is satisfied after the drive of the motor 300 is stopped. In other words, the controller 1 determines whether or not the condition for resuming energization is satisfied after the energization is turned off in step S15. If the controller 1 determines that the re-energization ON condition is satisfied, it proceeds to step S17, and if it determines that the condition is not satisfied, it repeats step S16. The re-energization ON condition corresponds to the re-drive condition.

[0085] The controller 1 determines that the power re-on condition is satisfied if the window glass 410 moves a preset re-driving distance or more after the power is turned off in step S15 (re-driving determination unit). In this case, the controller 1 determines whether the window glass 410 has moved a re-driving distance or more since the power was turned off, using the position of the window glass 410 detected by the window position detection unit 11a. The controller 1 may also determine whether the window glass 410 has moved a re-driving distance or more within the elapsed time since the power was turned off.

[0086] Furthermore, the controller 1 may determine that the power re-on condition is satisfied when the rotation speed of the motor 300 becomes equal to or greater than a preset rotation speed threshold value after the power is turned off in step S15 (re-drive determination unit). The controller 1 may obtain the rotation speed of the motor 300 at predetermined time intervals after the power is turned off in step S15, and determine that the power re-on condition is satisfied when the rotation speed increases (re-drive determination unit).

[0087] In step S17, the operation before the stop is resumed (re-driving unit). That is, the controller 1 resumes the energization while waiting for re-activation. As a result, the control device 100 makes a state transition from in down operation to waiting for re-activation of down. As a result, the control device 100 makes a state transition from waiting for re-activation to in down operation.

[0088] 8, the controller 1 restarts the energization during the stop of energization of x2 to x3. That is, the controller 1 outputs an instruction value to start energization. This causes the energization voltage to gradually increase. In other words, the controller 1 restarts the motor 300.

[0089] In the example of FIG. 7, the controller 1 resumes the supply of current at a position where the number of pulse edges exceeds 30. When the number of pulse edges exceeds 30, the leading end of the window glass 410 is not sandwiched in the glass run 401. In other words, the controller 1 resumes the supply of current to the motor 300 in a state where the window glass 410 has been removed from the glass run 401. However, in the present disclosure, as long as the supply of current is temporarily stopped in step S15, the supply of current may be resumed before the window glass 410 is removed from the glass run 401.

[0090] <Effects> As described above, the control device 100 rotates and drives the motor 300 to move the window glass 410 in the opening direction DD. At this time, the control device 100 stops driving the motor 300 when the power supply OFF condition of the motor 300 is satisfied after the drive of the motor 300 starts and in a state where the leading end of the window glass 410 is pinched by the glass run 401. Therefore, the control device 100 can slow down the moving speed of the window glass 410 before the window glass 410 comes out of the glass run 401. Therefore, the control device 100 can weaken the reaction force against the friction between the window glass 410 and the glass run 401 when the window glass 410 comes out of the glass run 401.

[0091] Then, when the re-energization ON condition for the motor 300 is satisfied after the driving of the motor 300 is stopped, the control device 100 restarts the motor 300. Therefore, the control device 100 can suppress the spring member 427 from sliding and colliding with the slider base 421 (spring accommodating portion 421a). Therefore, the control device 100 can reduce the collision sound of the spring member 427. The collision sound can also be called a shudder sound.

[0092] Here, the effect of the control device 100 will be described in comparison with a comparative example device. As shown at timing t2 to t3 in FIG. 9a, in the comparative example device, when the window glass comes out of the glass run, a reaction force against friction occurs, causing rapid acceleration in the opening direction DD. This causes the spring member of the regulator to slide, causing the spring member to collide with the slider base, generating a shudder sound. Furthermore, the motor controlled by the comparative example device repeatedly increases and decreases the number of rotations, as shown at timing t3 to t4 in FIG. 9a. Therefore, in the regulator, the spring member and the slider base repeatedly collide with each other as the window glass moves in the opening direction DD. Therefore, the regulator continuously generates a shudder sound.

[0093] In response to this, the control device 100 performs step S15. Therefore, as shown in timing t2 to t3 of FIG. 9b, the control device 100 can suppress sudden acceleration in the opening direction DD when the window glass 410 comes off the glass run 401. This allows the control device 100 to prevent the spring member 427 from sliding and colliding with the slider base 421. In other words, the control device 100 can suppress the generation of shudder noise.

[0094] Furthermore, the motor 300 is prevented from repeatedly increasing and decreasing the number of rotations as shown in Fig. 9b from timing t3 to t4. This allows the regulator 420 to prevent collisions between the spring member 427 and the slider base 421 that occur repeatedly as the window glass 410 moves in the opening direction DD. This allows the control device 100 to prevent the continuous generation of shudder noise.

[0095] In this way, the control device 100 can reduce the shudder noise by controlling the drive of the motor 300. In other words, the control device 100 can reduce the shudder noise without taking measures against the shudder noise for the window glass 410, the regulator 420, and the motor 300. This also contributes to reducing the cost of measures for the OEM and regulator manufacturers.

[0096] The above describes the preferred embodiment of the present disclosure. However, although the present disclosure has been described based on the embodiment, it is understood that the present disclosure is not limited to the embodiment or structure. The present disclosure also includes various modifications and modifications within the equivalent range. In addition, although various combinations and forms are shown in the present disclosure, other combinations and forms including only one element, more than one element, or less than one element are also within the scope and concept of the present disclosure. [Explanation of symbols]

[0097] 1...controller, 11...arithmetic device, 11a...window position detection unit, 11b...rotation speed detection unit, 12...storage device, 2...drive circuit, 100...control device, 200...switch device, 201...up switch, 202...down switch, 203...auto switch, 210...body ECU, 220...wireless switch device, 221...up switch, 222...down switch, 300...motor, 400...door, 401...glass run, 410...window glass, 420...regulator, 421...slider base, 421a...spring accommodating portion, 422...drive pulley, 423, 424...driven pulley, 425...closing wire, 426...opening wire, 427...spring member, 500...battery

Claims

1. The opening / closing member, the tip of which is sandwiched between a seal member in a fully closed state, is opened and closed via a wire by rotating an electric motor in the normal and reverse directions, and the end of the wire is slidably attached via a spring member to a fixing member fixed to the opening / closing member, a drive start unit (S10) that starts driving the electric motor to operate the opening / closing member in an opening direction from the fully closed state; a drive stop determination unit (S11) that determines whether or not a drive stop condition of the electric motor is satisfied after the electric motor starts to drive and in a state in which the tip portion is sandwiched by the seal member; a drive stopping unit (S15) that stops the drive of the electric motor when it is determined that the drive stopping condition is satisfied; a re-drive determination unit (S16) that determines whether or not a condition for re-driving the electric motor is satisfied after the driving of the electric motor is stopped; a re-driving unit (S17) that re-drives the electric motor when it is determined that the re-driving condition is satisfied, The drive stop determination unit acquires the rotation speed of the electric motor at predetermined time intervals, and determines that the drive stop condition is met when the rotation speed deviation from the reference value is equal to or greater than a stop threshold value, using the rotation speed when the rotation speed decreases as a reference value.

2. The opening / closing member, the tip of which is sandwiched between a seal member in a fully closed state, is opened and closed via a wire by rotating an electric motor in the normal and reverse directions, and the end of the wire is slidably attached via a spring member to a fixing member fixed to the opening / closing member, a drive start unit (S10) that starts driving the electric motor to operate the opening / closing member in an opening direction from the fully closed state; a drive stop determination unit (S11) that determines whether or not a drive stop condition of the electric motor is satisfied after the electric motor starts to drive and in a state in which the tip portion is sandwiched by the seal member; a drive stopping unit (S15) that stops the drive of the electric motor when it is determined that the drive stopping condition is satisfied; a re-drive determination unit (S16) that determines whether or not a condition for re-driving the electric motor is satisfied after the driving of the electric motor is stopped; a re-driving unit (S17) that re-drives the electric motor when it is determined that the re-driving condition is satisfied, The drive stop determination unit determines that the drive stop condition is satisfied when the opening / closing member moves a predetermined stopping distance or more from a fully closed position of the opening / closing member.

3. The opening / closing member, the tip of which is sandwiched between a seal member in a fully closed state, is opened and closed via a wire by rotating an electric motor in the normal and reverse directions, and the end of the wire is slidably attached via a spring member to a fixing member fixed to the opening / closing member, a drive start unit (S10) that starts driving the electric motor to operate the opening / closing member in an opening direction from the fully closed state; a drive stop determination unit (S11) that determines whether or not a drive stop condition of the electric motor is satisfied after the electric motor starts to drive and in a state in which the tip portion is sandwiched by the seal member; a drive stopping unit (S15) that stops the drive of the electric motor when it is determined that the drive stopping condition is satisfied; a re-drive determination unit (S16) that determines whether or not a condition for re-driving the electric motor is satisfied after the driving of the electric motor is stopped; a re-driving unit (S17) that re-drives the electric motor when it is determined that the re-driving condition is satisfied, The opening / closing member control device, wherein the re-drive determination unit determines that the re-drive condition is satisfied when the opening / closing member moves a predetermined re-drive distance or more after driving of the electric motor is stopped.

4. The opening / closing member, the tip of which is sandwiched between a seal member in a fully closed state, is opened and closed via a wire by rotating an electric motor in the normal and reverse directions, and the end of the wire is slidably attached via a spring member to a fixing member fixed to the opening / closing member, a drive start unit (S10) that starts driving the electric motor to operate the opening / closing member in an opening direction from the fully closed state; a drive stop determination unit (S11) that determines whether or not a drive stop condition of the electric motor is satisfied after the electric motor starts to drive and in a state in which the tip portion is sandwiched by the seal member; a drive stopping unit (S15) that stops the drive of the electric motor when it is determined that the drive stopping condition is satisfied; a re-drive determination unit (S16) that determines whether or not a condition for re-driving the electric motor is satisfied after the driving of the electric motor is stopped; a re-driving unit (S17) that re-drives the electric motor when it is determined that the re-driving condition is satisfied, The opening / closing member control device, wherein the re-drive determination unit determines that the re-drive condition is satisfied when the rotation speed of the electric motor becomes equal to or greater than a preset rotation speed threshold value after the driving of the electric motor is stopped.

5. The opening / closing member, the tip of which is sandwiched between a seal member in a fully closed state, is opened and closed via a wire by rotating an electric motor in the normal and reverse directions, and the end of the wire is slidably attached via a spring member to a fixing member fixed to the opening / closing member, a drive start unit (S10) that starts driving the electric motor to operate the opening / closing member in an opening direction from the fully closed state; a drive stop determination unit (S11) that determines whether or not a drive stop condition of the electric motor is satisfied after the electric motor starts to drive and in a state in which the tip portion is sandwiched by the seal member; a drive stopping unit (S15) that stops the drive of the electric motor when it is determined that the drive stopping condition is satisfied; a re-drive determination unit (S16) that determines whether or not a condition for re-driving the electric motor is satisfied after the driving of the electric motor is stopped; a re-driving unit (S17) that re-drives the electric motor when it is determined that the re-driving condition is satisfied, The re-drive determination unit obtains the rotation speed of the electric motor at predetermined time intervals, and determines that the re-drive condition is satisfied when the rotation speed increases.

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