JPH11255075A - Wiper operation control system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To ensure a high visibility by quickly wiping away raindrops that fall on a windshield during a wiper intermittent halt. SOLUTION: When a windshield wiper switch 5 is set to its intermittent (INT) position, a decision circuit 9 switches a changeover relay 17 on via a low speed-to-high speed changeover circuit 11 and also switches an intermittent relay 19 on via an intermittent drive circuit 13 to thereby operate a wiper motor 1 at high speed through the ON contacts of these relays 17 and 19 so that a wiper blade is moved for high-speed wiping on the windshield from its home position to the inverse position. When the wiper blade reaches the inverse position, on the basis of an inverse-position detection signal from a blade position detecting part 7, the decision circuit 9 switches both the switchover and intermittent relays 17 and 19 off via the low speed-to-high speed switchover and intermittent drive circuits 11 and 13 to thereby drive the wiper motor 1 at low speed so that the wiper blade is driven for low-speed wiping on the windshield from the inverse position to the home position.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiper operation control device for controlling the operation of a wiper blade so as to intermittently wipe a window glass with a wiper blade.

[0002]

2. Description of the Related Art In a wiper control of a vehicle, when the amount of rainfall is relatively small, an intermittent operation control is performed in which the wiper blade wiping operation is stopped at a predetermined position for a predetermined time to reduce the wiping frequency of the wiper blade. .

[0003]

In such an intermittent operation, since the wiper blade is generally operated at a low speed, the raindrops adhered to the window glass are wiped off during the intermittent pause in which the operation of the wiper blade is stopped. There is a problem that it takes time to secure the field of view.

In order to avoid this problem, when the wiper blade is operated at a high speed in the intermittent operation, when the wiper blade returns to the stop position, raindrops adhering to the wiper blade during wiping are scattered into the window glass. Sisters,
Sometimes the visibility was not so good.

[0005] The present invention has been made in view of the above,
An object of the present invention is to provide a wiper operation control device capable of quickly wiping raindrops attached to a window glass during intermittent pauses to secure a view.

[0006]

To achieve the above object, the present invention according to claim 1 is a wiper operation control device for controlling the operation of a wiper blade so as to wipe a window glass with a wiper blade. When operating the wiper blade from a predetermined starting position toward a reverse position, high-speed operating means for operating the wiper blade at high speed, and when the wiper blade is operated from the reverse position toward the starting position, And a low-speed operating means for operating the wiper blade at a low speed.

According to a second aspect of the present invention, there is provided a wiper operation control device for controlling an operation of a wiper blade so that the wiper blade is intermittently wiped on the window glass. A motor for operating the wiper blade to wipe off, a position detecting means for detecting a predetermined starting position and a reversing position of the wiper blade on the window glass, and moving the wiper blade from the starting position to the reversing position at high speed. The motor is driven to operate, and when the position detecting unit detects that the wiper blade has reached the reversing position, the motor is driven to operate the wiper blade at a low speed from the reversing position toward the starting position. Motor drive means, and that the wiper blade has reached the starting position by operating from the reverse position. If the serial position detection means detects,
It is essential to have a timer means for stopping the operation of the wiper blade for a predetermined time.

[0008] Further, the present invention according to claim 3 provides the invention according to claim 2.
In the present invention, the position detecting means includes a front detecting means for detecting that the wiper blade has reached a position just before the reversing position when the wiper blade is operating from the starting position toward the reversing position. The gist of the invention is to have a motor speed switching control unit that controls the motor to switch from a high-speed operation to a low-speed operation when the position detection unit detects that the wiper blade has reached the near side.

Further, according to a fourth aspect of the present invention, in the second aspect of the present invention, the timer means detects that the wiper blade has reached the reverse position by the position detecting means. The gist of the present invention is to stop the operation of the wiper blade for a predetermined time.

[0010]

According to the first aspect of the present invention, when the wiper blade is operated from the starting position to the reverse position, the wiper blade is operated at a high speed, and the wiper blade is operated from the reverse position to the start position. In this case, since the wiper blade is operated at a low speed, the operation from the starting position to the reversing position can quickly wipe the raindrops of the window glass to quickly secure a good view, and also from the reversing position to the starting position. In the operation of (1), the raindrops attached to the wiper blade are not scattered, and the visibility can always be ensured.

According to the present invention, the wiper blade is operated at a high speed from the starting position to the reversing position, and the wiper blade is operated at a low speed from the reversing position to the starting position. When the blade reaches the starting position, the operation of the wiper blade is stopped for a predetermined time, so that the operation from the starting position to the reversing position quickly wipes the raindrops adhered to the window glass during the intermittent pause time of the wiper blade. A good view can be secured immediately, and the operation from the reversing position to the starting position does not cause raindrops to be scattered, so that a good view can always be secured.

Further, according to the present invention, when the wiper blade reaches a position short of the reversing position, the motor is controlled to switch from the high-speed operation to the low-speed operation. Can be switched smoothly and easily.

Further, according to the present invention, even when the wiper blade reaches the reversing position, the operation of the wiper blade is stopped for a predetermined time, so that the wiper blade is stopped at the reversing position. In the meantime, good visibility can be secured.

[0014]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a circuit diagram showing a configuration of a wiper operation control device according to one embodiment of the present invention. The wiper operation control device shown in FIG. 1 includes a wiper motor 1 that operates a wiper blade so that the wiper blade wipes raindrops attached to a window glass of a vehicle. The wiper motor 1 is controlled by a wiper controller 3. .
Further, the wiper controller 3 is supplied with a position detection signal from a blade position detection unit 7 including, for example, a Hall element for detecting the position of the wiper blade for wiping the window glass, in particular, the blade stop position and the blade reversal position. It has become.

The present wiper operation control device has a wiper switch 5 for operating or stopping the wiper blade. The wiper blade off signal (OFF) for stopping the operation of the wiper blade from the wiper switch 5 and the wiper blade intermittently. A wiper blade intermittent operation signal (INT), a low speed operation signal (LO) for operating the wiper blade at a low speed, and a high speed operation signal (HI) for operating the wiper blade at a high speed are input to the wiper controller 3.

The wiper controller 3 includes the above-described various signals from the wiper switch 5 and the blade position detector 7.
And a determination circuit 9 for receiving a position detection signal from the control unit and causing the wiper blade to perform a control operation corresponding to each of these input signals. Further, the determination circuit 9 has a timer 25 that defines an intermittent rest time when the wiper blade is operated intermittently. The judgment circuit 9 includes a low-speed / high-speed switching circuit 11
And the transistors 15 and 21 are driven and controlled via the intermittent drive circuit 13, respectively.
The switching relay 17 and the intermittent relay 19 are respectively driven by 21, and the wiper motor 1 is drive-controlled via the contacts of these relays 17, 19.

The blade position detecting section 7 includes a wiper motor 1
When the wiper blade operates to wipe on the window glass, the position when the wiper blade comes to the blade stop position, which is the predetermined starting position below the blade wiping area, and the blade reversing position almost above is detected. Then, the detected position signals are input to the determination circuit 9 of the wiper controller 3 as a blade stop position detection signal and a blade reversal position detection signal, respectively.

The judgment circuit 9 of the wiper controller 3 outputs the intermittent operation signal (IN) of the wiper blade from the wiper switch 5.
T) is input, the transistors 15 and 2 are connected via the low-speed / high-speed switching circuit 11 and the intermittent driving circuit 13, respectively.
1 to operate the switching relay 17 and the intermittent relay 19 to turn on their contacts. That is, as shown in the figure, the center movable contact of the transfer contact of each relay is changed from the break contact indicated by a black circle to the open contact by a white circle. The wiper motor 1 is intermittently controlled by making contact with the shown make contact.

The wiper motor 1 has a built-in auto stop contact (AS) 23. When the wiper blade is operating away from the blade stop position, the auto stop contact 23 is in an on state in which the central movable contact is connected to a make contact indicated by a white circle as described later in the timing chart of FIG. With this, the operation of the wiper motor 1 is self-maintained, and when the wiper blade comes to the blade stop position, the central movable contact comes to an off state connected to the break contact indicated by a black circle. ing. The purpose of the automatic stop contact 23 that performs such an operation is that even when the wiper switch 5 is turned off while the wiper blade is operating in the middle of the window glass, the automatic stop contact 2 is not used.
3, the operation of the wiper motor 1 is continuously held by itself, thereby moving the wiper blade to the blade stop position and then stopping the operation of the wiper motor 1.

Next, the operation of the wiper operation control device having the above-described configuration at the time of high-speed operation of the wiper blade will be described.

First, when the wiper switch 5 is operated to the wiper blade high-speed operation position (HI) and the wiper blade high-speed operation signal (HI) is turned on, the wiper blade high-speed operation contact (HI) of the wiper switch 5 is connected to the ground. Is done. As a result, the power source 29 of the wiper motor 1 and the high-speed terminal H of the wiper motor 1
A current flows to the ground via I, and the wiper motor 1 operates in the normal rotation direction at a high speed, whereby the wiper blade is operated at a high speed from the blade stop position to the blade inversion position to wipe the window glass. When the wiper blade reaches the blade reversing position on the window glass, the wiper blade operates at high speed on the window glass from the blade reversing position to the blade stopping position.

As described above, when the wiper switch 5 is operated to the wiper blade high-speed operation position (HI), the input terminal of the judgment circuit 9 of the wiper controller 3 is in the open state, so that the speed is low and high. Switching circuit 1
1 and the intermittent drive circuit 13 are inactive, and the transistors 15 and 21 are turned off, respectively, whereby the switching relay 17 and the intermittent relay 19 are inoperative.

Next, the operation of the wiper operation control device having the above-described configuration when the wiper blade operates at a low speed will be described.

First, when the wiper switch 5 is operated to the wiper blade low speed operation position (LO) and the wiper blade low speed operation signal (LO) is turned on, the wiper blade low speed operation contact (LO) of the wiper switch 5 is connected to the ground. Is done. When the wiper switch 5 is operated to the wiper blade low-speed operation position (LO), the wiper controller 3
Since the input terminal of the judgment circuit 9 is open, the low-speed / high-speed switching circuit 11 and the intermittent driving circuit 13 are in the non-operational state, and the transistors 15 and 21 are turned off. And the intermittent relay 19 is in a non-operating state.

As a result, the power source 29 of the wiper motor 1, the low-speed terminal LO of the wiper motor 1, the break contact in the off state of the switching relay 17,
A current flows to the ground via the break contact in the OFF state of the intermittent relay 19 and the low-speed operation contact (LO) of the wiper blade of the wiper switch 5, whereby the wiper motor 1 operates at a low speed. Thus, the wiper motor 1 operates in the forward rotation direction at a low speed, thereby operating the wiper blade at a low speed from the blade stop position to the blade reversal position, and wipes the window glass. When the wiper blade reaches the blade reversal position on the window glass, the wiper blade operates at a low speed on the window glass from the blade reversal position to the blade stop position.

Next, the operation during the intermittent operation of the wiper operation control device configured as described above will be described with reference to the timing chart shown in FIG. It is assumed that the wiper blade is at the blade stop position in a normal stop state due to the action of the above-described auto stop contact 23.

First, the wiper switch 5 is operated to the wiper blade intermittent operation position (INT), and the wiper blade intermittent operation signal (INT) is turned on as shown in FIG. And the judgment circuit 9
As shown in (b), the low speed / high speed switching circuit 11 is controlled to a high speed state, and the low speed / high speed switching circuit 11
The switching relay 17 is operated via 5 to turn on its contact. Further, the judgment circuit 9 supplies the intermittent drive signal to the intermittent drive circuit 13 as shown in FIG. Activate and turn on this contact.

When the two contacts of the switching relay 17 and the intermittent relay 19 are turned on in this way, the power source 29 of the wiper motor 1, the power terminal P of the wiper motor 1, the high-speed terminal HI of the wiper motor 1, the switching relay 1
Current flows to the ground via the make contact of the ON state 7 and the make contact of the ON state of the intermittent relay 19, and the wiper motor 1 operates at high speed. As a result, the wiper blade operates at a high speed from the blade stop position to the blade reversal position to wipe the windshield.

As described above, when the wiper blade starts operating at a high speed from the blade stop position to the blade reversal position, the auto stop contact (AS) 23 is turned on soon as shown in FIG. 2D. When the auto stop contact 23 is turned on, the intermittent drive signal from the intermittent drive circuit 13 is turned off as shown in FIG. 2C, and the contact of the intermittent relay 19 is turned off. Intermittent relay 19
Are turned off, the wiper motor 1 receives a power supply terminal P from the power supply 29, the wiper motor 1, the high-speed terminal HI of the wiper motor 1, the make contact of the switching relay 17 on, and the off state of the intermittent relay 19. A current flows to the ground via the break contact, the intermittent operation contact (INT) of the wiper blade of the wiper switch 5, and the make contact in the ON state of the auto stop contact 23, and the self-holding operation is continued via the auto stop contact 23.

As described above, the wiper motor 1 continues the self-holding operation, and the blade position detecting means 7 for monitoring the position of the wiper blade operating from the blade stop position to the blade reversing position on the window glass is: When it is detected that the wiper blade has reached the blade reversal position, a blade reversal position detection signal is supplied to the determination circuit 9 as shown in FIG.

When the judgment circuit 9 is supplied with the blade reversal position detection signal from the blade position detection section 7, the judgment circuit 9 shown in FIG.
The low-speed / high-speed switching circuit 11 is controlled to the low-speed state as shown in FIG.
Is turned off, whereby the switching relay 17 is turned off, and this contact is turned off. As a result, the power source 29 of the wiper motor 1, the power terminal P of the wiper motor 1, the low-speed terminal LO of the wiper motor 1, the break contact of the switching relay 17 in the off state, the break contact of the intermittent relay 19 in the off state, the wiper switch 5, Then, a current flows to the ground via the make contact in the ON state of the auto stop contact 23, whereby the wiper motor 1 operates at a low speed. As a result, the wiper blade operates at a low speed on the window glass from the blade reversal position to the blade stop position. This low-speed operation state is held by the auto-stop contact 23 by itself.

As described above, when the wiper blade operates at a low speed from the blade reversing position to the blade stop position and the wiper blade reaches the blade stop position, the auto stop contact 23 is turned off as shown in FIG. As a result, the wiper motor 1 stops, and the wiper blade stops at the blade stop position.

Further, as described above, when the blade position detecting means 7 detects that the wiper blade has reached the blade stop position and a blade stop position detection signal is input to the judgment circuit 9, the judgment circuit 9 The timer 25 is driven in response to the blade stop position detection signal.
Starts counting the predetermined intermittent pause time. Then, during this intermittent pause time, the wiper motor 1 is stopped, and the wiper blade is also stopped at the blade stop position.

When the timer 25 completes the counting of the predetermined intermittent pause time, the judgment circuit 9 sends the intermittent pause time end signal from the timer 25 to the low-speed / high-speed switching circuit 11 as shown in FIG. 2), the switching relay 17 is operated via the transistor 15 from the low-speed / high-speed switching circuit 11 and the intermittent driving signal is supplied to the intermittent driving circuit 13 as shown in FIG. Then, the intermittent relay circuit 19 is operated from the intermittent drive circuit 13 via the transistor 21, thereby operating the wiper motor 1 at high speed and operating the wiper blade from the blade stop position to the blade reversing position at high speed as described above. do it,
Wipe on the wind glass.

In the same manner as described above, when the wiper blade moves from the blade stop position to the blade reversing position, the wiper blade is operated at a high speed, and when the wiper blade moves from the blade reversal position to the blade stop position. Operates the wiper blade at low speed. Then, when the wiper switch 5 is returned from the on state of the intermittent operation contact (INT) of the wiper blade to the off state as shown in FIG. 2A, the wiper blade comes to the blade stop position, and the auto stop contact 23 is turned off. , The wiper motor 1 stops, and the operation of the wiper blade stops.

In the above operation, the wiper blade
When moving from the blade stop position to the blade reversing position, since it operates at a high speed, it is possible to quickly wipe the raindrops adhered to the window glass during the intermittent rest time of the wiper blade and quickly secure a good view. When the wiper blade moves from the blade reversing position to the blade stop position, the wiper blade operates at a low speed, so that raindrops attached to the wiper blade are not scattered.

In the present embodiment, the wiper motor 1 is switched from high-speed operation to low-speed operation after the blade position detecting means 7 detects that the wiper blade has reached the blade reversal position. The detection means 7 detects that the wiper blade has reached just before the blade reversing position, and switches the wiper motor 1 from high-speed operation to low-speed operation when the wiper blade reaches just before the blade reversing position based on this detection signal. In this manner, the wiper motor can be smoothly and easily switched from the high-speed operation to the low-speed operation.

In this embodiment, the wiper motor 1 performs only high-speed operation and low-speed operation so that the wiper blade reciprocates on the window glass. This is realized by a gear mechanism or the like.

Next, a wiper operation control device according to another embodiment of the present invention will be described with reference to FIG. The wiper operation control device shown in the figure has the same wiper motor 1 as the embodiment shown in FIG.
The wiper motor 1 is rotated forward and backward by changing the polarity of the voltage applied to the wiper blade. In a high-speed operation in which the wiper blade moves from the blade stop position to the blade reverse position, the wiper motor 1 rotates forward and the wiper blade moves from the blade reverse position to the blade. FIG. 1 shows that the wiper motor 1 is controlled to rotate in the reverse direction during the low-speed operation toward the stop position.
This is greatly different from the embodiment of FIG. Further, in the present wiper operation control device, in addition to the wiper motor 1, the blade position detecting means 7 and the timer 25 have the same structure and operation as those used in the embodiment of FIG.

The present wiper operation control device includes a wiper motor 1
The wiper controller 30 has a timer 25 built-in.
9, a driving circuit 41, a low-speed / high-speed switching circuit 43, a transistor 45, a transistor 53, a motor forward rotation driving relay 47, a switching relay 49, and a motor reverse rotation driving relay 51. The wiper controller 30 is connected to a wiper switch 35 having the same function as the wiper switch 5 of FIG. 1 for operating or stopping the wiper blade, but having a different internal connection. Signal (INT) for intermittently operating the wiper blade, a low-speed operation signal (LO) for operating the wiper blade at low speed, and a high-speed operation signal (HI) for operating the wiper blade at high speed. ) Is input to the wiper controller 30.

Next, the operation of the wiper operation control device configured as described above will be described with reference to the timing chart shown in FIG.

First, the wiper switch 35 is operated to the wiper blade intermittent operation position (INT), and the wiper blade intermittent operation signal (INT) is turned on as shown in FIG. , The judgment circuit 39 outputs a low speed signal as shown in FIG.
The high-speed switching circuit 43 is controlled to the high-speed operation state, the low-speed / high-speed switching circuit 43 operates the switching relay 49 via the transistor 53, and turns on its contact. Then, subsequently, the judgment circuit 39 controls the drive circuit 41 to set the motor forward rotation drive relay 47 through the transistor 45 as shown in FIG.
The operation is carried out as shown in (c), and the contact is also turned on.
As a result, from the power supply 29 to the wiper motor 1, the on-contact of the motor forward drive relay 47, the power supply terminal P of the wiper motor 1, the wiper motor 1, its high-speed terminal HI, the on-contact of the switching relay 49, and the motor reverse drive relay 51. A current flows to the ground via the OFF contact, and the wiper motor 1 operates in the normal rotation direction at high speed, thereby operating the wiper blade from the blade stop position to the blade reverse position,
Wipe the window glass.

When the wiper motor 1 rotates forward at a high speed, the wiper blade operates at a high speed from the blade stop position to the blade reversal position, and when the wiper blade reaches the blade reversal position, the blade position detection unit 7 Circuit 3 for determining the blade reversal position detection signal
9. The determination circuit 39 controls the low-speed / high-speed switching circuit 43 to a low-speed state as shown in FIG. 4B, turns off the switching relay 49, and outputs a signal via the driving circuit 41 as shown in FIG. Motor forward drive relay 47
Turn off. Then, the judgment circuit 39 further turns on the motor reverse rotation drive relay 51 via the drive circuit 41.
As a result, the on-contact of the motor reverse rotation driving relay 51, the off-contact of the switching relay 49, the low-speed terminal LO of the wiper motor 1, the wiper motor 1,
A current flows to the ground via the power supply terminal P and the off contact of the motor forward rotation driving relay 47, causing the wiper motor 1 to operate in the reverse rotation direction at a low speed, whereby the wiper blade moves from the blade inversion position to the blade stop position. Operates at low speed and wipes the window glass at low speed.

When the wiper blade reaches the blade stop position, it is detected by the blade position detector 7, and a blade stop position detection signal is input from the blade position detector 7 to the determination circuit 39. The determination circuit 39 turns off the motor reverse rotation driving relay 51 via the drive circuit 41 in response to the blade stop position detection signal, thereby stopping the operation of the wiper motor 1 and the wiping operation of the wiper blade. To start counting the predetermined intermittent pause time. During this intermittent pause time, the wiper motor 1 and the wiper blade are stopped, and when the intermittent pause time elapses, the determination circuit 39 receives the intermittent pause time end signal from the timer 25 and switches the low-speed / high-speed switching in the same manner as described above. The switching relay 49 and the motor forward drive relay 47 are turned on via the circuit 43 and the drive circuit 41, thereby operating the wiper motor 1 in the forward direction at a high speed in the same manner as described above. It is operated at high speed from the stop position to the blade reversal position to wipe the window glass.

Hereinafter, as described above, the wiper motor 1
When the wiper blade moves from the blade stop position to the blade reversing position at a high speed in the forward direction, the wiper blade is operated at a high speed, and the wiper motor 1 is operated at a low speed in the reverse direction to rotate the wiper blade. Is moved from the blade reversing position to the blade stopping position, the wiper blade is operated at a low speed. Then, as shown in FIG. 4A, the wiper switch 35 is returned from the ON state of the intermittent operation contact (INT) of the wiper blade to the OFF state, and when the wiper blade comes to the blade stop position, the wiper motor 1 stops and the wiper motor 1 is stopped. Stop the blade operation. In this case, even if the wiper switch 35 is turned off while the wiper blade is in the middle of the window glass, although not shown, the same function as the auto stop contact (AS) or the auto stop contact built in the wiper motor 1 is provided. After the wiper blade reaches the blade stop position by the position contact having the
Is turned off and stopped.

As described above, the wiper blade is
When moving from the blade stop position to the blade reversing position, since it operates at a high speed, it is possible to quickly wipe out the raindrops attached to the window glass during the intermittent pause time of the wiper blade and quickly secure a good view. When the wiper blade moves from the blade reversing position to the blade stop position, the wiper blade operates at a low speed, so that raindrops attached to the wiper blade are not scattered. In the present embodiment, the wiper motor 1
Is controlled so as to rotate forward and reverse in a circuit, so a mechanism for performing such an operation mechanically becomes unnecessary,
Economy can be achieved.

When the wiper blade reaches the reversing position, the timer 25 may start counting a predetermined pause time so as to stop the operation of the wiper blade for a predetermined time. Since the wiper motor 1 is stopped and the wiper blade is also stopped at the blade reversal position, a good view can be secured while the wiper blade is stopped at the reversal position.

[Brief description of the drawings]

FIG. 1 is a circuit diagram showing a configuration of a wiper operation control device according to an embodiment of the present invention.

FIG. 2 is a timing chart showing the operation of the wiper operation control device shown in FIG.

FIG. 3 is a circuit diagram showing a configuration of a wiper operation control device according to another embodiment of the present invention.

FIG. 4 is a timing chart showing the operation of the wiper operation control device shown in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Wiper motor 3 Wiper controller 5 Wiper switch 7 Blade position detector 9 Judgment circuit 11 Low-speed / high-speed switching circuit 13 Intermittent drive circuit 17 Switching relay 19 Intermittent relay 25 Timer

Claims (4)

[Claims] 1. A wiper operation control device for controlling the operation of a wiper blade so as to wipe the surface of a window glass with a wiper blade, wherein the wiper blade is operated from a predetermined starting position toward a reverse position. A high-speed operating means for operating the wiper blade at a high speed; and a low-speed operating means for operating the wiper blade at a low speed when the wiper blade is operated from the reverse position toward the starting position. Wiper operation control device. 2. A wiper operation control device for controlling the operation of a wiper blade so as to intermittently wipe the wind glass with a wiper blade, the wiper blade operating the wiper blade so that the wiper blade wipes the wind glass. A motor to be driven, position detecting means for detecting a predetermined starting position and a reversing position on the windshield of the wiper blade, and driving the motor to operate the wiper blade at a high speed from the starting position to the reversing position; When the position detecting unit detects that the wiper blade has reached the reversing position, a motor driving unit that drives the motor so as to operate the wiper blade at a low speed from the reversing position toward the starting position, The position detecting means detects that the operation has been performed from the reverse position and reached the starting position. If the wiper operation control apparatus characterized by having the operation of the wiper blade and timer means for stopping a predetermined time. 3. The position detecting means includes a front detecting means for detecting that the wiper blade has reached just before the reversing position when the wiper blade is operating from the starting position toward the reversing position. And a motor speed switching control unit that controls the motor to switch from a high-speed operation to a low-speed operation when the position detection unit detects that the wiper blade has reached the near side. 2. The wiper operation control device according to 2. 4. The apparatus according to claim 2, wherein the timer means stops the operation of the wiper blade for a predetermined time even when the position detecting means detects that the wiper blade has reached the reverse position. Wiper operation control device.