JPH02283535A - System and device of seat slide control for vehicle seat - Google Patents

Abstract

PURPOSE:To make retreat and return operation of a seat easy by detecting and storing a seat moving distance from the last sitting position to the retreat position from a revolution number of a motor for sliding at a time of getting out of a car, and controlling a seat movement at a time of next getting on the car. CONSTITUTION:At a time of getting on a car, when a manual switch 20 is operated, a control circuit 22 drives a sliding motor 12 for moving a seat 24 forward, and stops the motor when the switch 20 is made OFF at the optimum position. Next, when an autoswitch 18 is made ON in retreat direction at the time of getting out of the car, the seat 24 is moved in retreat direction by the motor 12, and a moving distance at this time from the final sitting position just before to the retreat position is detected via a revolution sensor 13 and a counter 16 and memorized. And when the autoswitch 18 is made ON forward at the time of next sitting on the seat, the control circuit 22 drives the motor 12 by the revolution numbers corresponding to the memorized distance, and automatically returns the seat 24 to the final sitting position. Thus, the retreat and the return of the seat can be performed easily.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a seat slide control system and a seat slide control device for a vehicle seat that moves the seat to a retracted position to ensure good ease of getting on and off the vehicle.

[Conventional technology]

For example, in a driver seat of a vehicle, when the seated person (driver) is in the normal seating position (driver position), the steering wheel extends above the seat.
This obstructs the driver's ability to get on and off the vehicle, reducing the ease with which the driver can get on and off the vehicle. Therefore, a seat is known that has a seat slide mechanism that allows the driver to operate a switch when getting on and off the vehicle to move the seat to a retracted position on the steering wheel where getting on and off the vehicle is not obstructed.

The seat slide mechanism of such a seat is driven by a sliding motor to move the driver position,
It is configured to be movable between retracted positions, and by adjusting the front and back positions of the seat when seated, the optimal driver position can be set according to the driver's body shape and preferences.

With this type of seat slide mechanism, when the driver gets out of the car, the seat is evacuated from the optimal driver position, so it is necessary to reset the optimal driver position every time the driver gets in the car, which can be cumbersome to operate. There is. Therefore, seat slide control systems have been provided that are equipped with a microcomputer, etc. that adjusts the driver's position to suit the body shape and preferences of the driver.

In such a configuration, for example, each driver stores his or her optimum driver position in the microcomputer in advance and inputs his or her job classification code, so that the stored driver position is automatically set.

[Problem to be solved by the invention]

As mentioned above, in the known seat slide control system, the driver presets and memorizes the optimal driver position according to his/her own body shape and preferences, and inputs each person's identification code. The system is configured to automatically set the optimum driver position.

However, in such a configuration, it is necessary to set the optimum driver position and perform a memorization operation, and the setting of the driver position becomes important.

Therefore, drivers who are inexperienced with setting operations or who do not know their own optimal driver position are likely to set an unreasonable posture and cannot easily set the optimal driver position.

In addition, when getting on the vehicle, it is necessary to enter the user's own identification code, which also makes the operation complicated.

Further, when the driver position and the retracted position are repeatedly moved, errors due to seat overrun occur and are accumulated in the controller. As a countermeasure for correcting the accumulated x difference, for example, a correction means using a microcomputer or the like is required, which makes the control device expensive, which is not preferable.

Further, it is preferable to quickly move the driver position and the retracted position alil+. However, in known seat slide control devices, the rotation speed of the motor is set to be constant. In other words, the speed at which the seat is evacuated and returned is the same as the speed at which the seat is adjusted, and the rotational speed of the motor is generally set to an intermediate speed that can accommodate both.

As a result, it is slow to move the sheet out and back, and it is not possible to move it quickly.
, it is not easy to make fine adjustments to the driver position.

This invention provides seating position setting and memory operation by a seated person;
In addition to eliminating the need to enter an identification code,
The object of the present invention is to provide a seat slide control system and a seat slide control device for a vehicle seat that can quickly and easily move during evacuation, return, and fine adjustment.

[Means to solve the problem]

In order to achieve this object, according to the seat slide control system for a vehicle seat of the present invention, when a seated person gets out of the vehicle, the moving distance of the seat from the final seating position immediately before the movement to the retracted position is controlled by the sliding motor. Detected and stored according to the number of rotations. Then, when the seated person gets on the seat, the slide motor is driven to automatically return the seat to the final seating position by the same number of rotations as the number of rotations stored at the time of movement to the retracted position.

In addition, when driving the slide motor by operating the auto switch, the slide motor rotates at high speed, and when driving the slide motor by operating the manual switch, the slide motor is configured to rotate at low speed. has been done.

〔Example〕

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

As shown in FIG. 1, the seat slide control device IO according to the present invention includes a slide motor 12 with a rotation sensor, a relay control circuit I4, a counter 16, an auto switch 18, a manual switch 20, and a control circuit. 22.

The slide motor 12 is formed with a rotation sensor 13 such as a reed switch type sensor, for example.
Usually a DC geared motor is used.

Then, by driving the slide motor 12, for example, the driver seat 24, the vehicle floor 261H1
The seat slide mechanism 28 is operated, and the driver seat is moved (slided) back and forth between the front limit position and the rear limit position. The driver seat 24 is normally set at a seating position (driver position) as shown in FIG. 1, and at the rear end position, a retreat position is set at the steering wheel 30 where the seated person (driver) is not obstructed from getting on and off the vehicle. . It should be noted that the seat slide mechanism 28 has a known configuration, and since the configuration is not the gist of the present invention, it will not be described in detail.

The rotation sensor 13 of the slide motor 12 is shown in FIG.
As shown in FIG. 2, it is connected to a counter 16, which counts and stores the number of rotations of the slide motor 12 detected by the rotation sensor.

The counter 16 is configured, for example, to count up when the slide motor 12 rotates in the normal direction and to count down when the slide motor 12 rotates in the reverse direction.

As shown in FIG. 1, the auto switch 1M and the manual switch 20 are provided at a position where the driver can operate them, for example, on an armrest 34 formed integrally with the inner wall of the front door 32. The auto switch 18 is configured to control the driving of the slide motor 12 and to set the - position and the retracted position of the driver seat 24 with a single touch. Further, the manual switch 20 is configured to control the driving of the slide motor 12 to adjust the longitudinal position of the driver seat 24, and to arbitrarily set the driver position corresponding to the driver's body shape and preference. However, the arrangement of the auto switch 1g and the manual switch 20 is not limited to the armrest 34 of the front door, and may be arranged in other members, such as the console box 36.

As shown in Fig. 2, the auto switch 1δ and the manual switch 20 can be, for example, an automatic reset type switch with a neutral contact and a double contact. Each is connected to the control circuit 22. When the auto switch 1δ and the manual switch 20 are operated, predetermined signals are output to the control circuit 22, respectively.

The control circuit 22 processes the input signals as appropriate and generates appropriate control signals. As can be seen from FIG. 2 in addition to FIG. 1, the control signal is output to, for example, the relay control circuit 14, and the signal from the relay control circuit
Control relay 311.39 is energized and relay contact 3Jl
a and 39a are switched to control the drive of the slide motor I2.

Here, the auto switch 18 is configured as a one-touch type. For example, when the auto switch 18 is turned on,
The memory function is activated to memorize switch operations and operation directions. Even if the auto switch 18 is turned off or turned on in the opposite direction while the slide motor 12 is being driven, the slide motor continues to be driven in the direction originally stored by the memory function. With such a configuration, it is sufficient to turn on the auto switch 18 once, so the auto switch can be easily operated.

For example, a driver seat 24 as shown in FIG.
At the driver position, auto switch 18
When turned on in the retracting direction, the rotation (normal rotation) signal processed by the control circuit 22 is transmitted to the relay control circuit 14.
is output to the corresponding control relay 38.3.
9 is energized and relay contacts 38a; 39a are switched. By switching the relay contacts 38a and 39a, the slide motor 12 is driven in the forward rotation direction, and the driver seat 24 is moved from the driver position controller.
It is moved to the retreat position shown by the two-dot chain line.

The retracted position of the driver seat 24 is determined by, for example, a limit switch 40 that limits the movement range of the driver seat.
Set by. The limit switch 40 includes, for example, a rear limit switch 40a and a front limit switch 40b;
The front limit switches are each connected to a control circuit 22.

In such a configuration, when the driver seat 24 moves to the retracted position and the rear limit switch 40a is turned on, the drive of the slide motor 12 is stopped, the driver seat stops at the retracted position, and excessive movement is prevented. Movement can be prevented. As the rear limit switch 40a and the front limit switch 40b of the limit switch 40, for example, an automatic return type button switch or the like can be used.・
In addition, even when finely adjusting the longitudinal position of the driver seat 24 as described later, the limit switch 40 limits the movement range of the driver seat and prevents excessive movement of the driver seat.

Here, in this invention, the counter 16 is automatically reset by turning on the auto switch 18 in the exit direction, so that the count number becomes zero. That is, when the auto switch 18 is operated in the retracting direction, the counter 6 is always started from zero. After the count number of the counter 16 is reset, the number of rotations of the slide motor 12 detected by the rotation sensor 13 is counted again by the counter, and the count number when the driver seat 24 stops at the retracted position is stored. Ru. The count number stored in the counter 1B is
This corresponds to the distance from the final driver position (final seating position) immediately before movement to the retracted position, and the number of counts from the final driver position to the retracted position is counted by, for example, a count-up.

Then, the driver seat 2 shown by the two-dot chain line in FIG.
4, when the auto switch 18 is turned on in the direction of returning from the retreat position to the driver position, the rotation (reverse rotation) signal processed by the control circuit 22 is output to the relay control circuit 14. Then, the corresponding control relays 38 and 39 are energized, relay contacts 38a and 39a are switched, and the slide motor 12 is driven in the reverse direction.

At this time, the count number of the counter 16 is counted down from the count number stored at the time of movement to the evacuation position, and the count number is, for example, as shown in FIGS. It is compared with zero in a comparison circuit 41 interposed therebetween. Then, when the count number of the counter 16 reaches zero due to the countdown caused by driving the slide motor 12 in the reverse direction, the slide motor stops and the driver seat 24 returns to the final driver position immediately before the movement.

Further, for example, when the manual switch 20 is turned on forward in the driver position 1 of the driver seat 24, the reverse rotation signal processed by the vehicle control circuit 22 is output to the relay control circuit 14. Then,
The corresponding control relays 38, 39 are energized to switch the relay contacts 38a, 39a, the slide motor 12 is driven in the reverse direction, and the driver seat 24 is moved forward. When the driver turns off the manual switch 20 at any position, the relay contacts 38a and 39
A is switched to stop the slide motor 12, and a desired driver position in the front can be set arbitrarily.

Similarly, when the manual switch 20 is turned on backward, the forward rotation signal processed by the control circuit 22 is output to the relay control circuit 14, which drives the slide motor 12 in the forward rotation direction to drive the driver seat 24. is moved backwards. Then, when the driver turns off the manual switch 20 at an arbitrary position, the slide motor 12 stops, and the driver can arbitrarily set a desired rear driver position.

Here, the seat slide control device t of the present invention.

As shown in FIGS. 1 and 2, it is configured to include a speed switching circuit 42. The speed switching circuit 42 is connected between the slide motor 12 and the control circuit 22, and is configured to be able to apply two types of voltage, low voltage and high voltage, to the slide motor according to an output signal from the control circuit. has been done.

That is, in response to the signal from the auto switch 18, a high voltage is applied to the slide motor 12, causing the slide motor to rotate at high speed, and at the same time, the manual switch 2
In response to a signal from 0, a low voltage is applied to the slide motor, causing the slide motor to rotate at a low speed. Therefore, when the driver seat 24 is retracted or returned by operating the auto switch 18, the slide motor 12 rotates at high speed, and the driver seat can be quickly moved during the retraction or return. Further, when adjusting the longitudinal position of the driver seat 24 by operating the manual switch 20, the slide motor 12 is rotated at a low speed, so fine adjustment is possible and the longitudinal position can be easily adjusted accurately.

Here, relay control circuit 14. control circuit 22,
As can be seen from FIGS. 1 and 2, the speed switching circuit 42 is connected to, for example, the positive pole of the battery 43, and voltage is applied to the slide motor 12 via the speed switching circuit.

Further, as shown in FIGS. 1 and 2, the reclining motor 46 that operates the reclining mechanism 44 is connected to the control circuit 22 via the speed switching circuit 42, for example.
Connected to the reclining angle.

The reclining angle of the seat back 50 can be controlled by the switch 48. As the reclining switch 48, for example, like the auto switch 16 and the manual switch 20, the neutral position,
An automatic return type seesaw switch with two-position contacts is available. The reclining switch 4δ is provided at a position that can be operated by the driver, for example, on the armrest 34 of the front door, and the reclining switch 4δ
2 to the mount control circuit 22. The reclining motor 46 is configured to be able to easily adjust the angle by rotating at a low speed using low voltage, for example.

For example, when the reclining switch 48 is turned forward, the reverse rotation signal processed by the control circuit 22 is output to the relay control circuit 14.

Then, the corresponding control relays 52 and 53 are energized to switch the relay contacts 52a and 53a, drive the reclanning motor 46 in the reverse direction, and the dry pan-1 flat pack 5G is swung forward. Ru. When the driver turns off the reclining switch 48 at an arbitrary position, the relay contacts 52a and 53a are switched, the reclining motor 46 stops, and a desired reclining angle in front can be set arbitrarily.

Similarly, by turning the reclining switch 48 backward, driving the reclining motor 46 in the forward rotation direction, and turning off the reclining switch at an arbitrary position, the desired reclining angle at the rear can be adjusted. Can be set.

The range of swing of the seat back 50 of the driver seat is limited, for example, by a limit switch 55 connected to the control circuit 22, as shown in FIG.

For example, as shown in FIG. 2, the limit switch 55 includes a rear limit switch 55a and a front limit switch 55b. Then, the seat back 5o swings and the rear limit switch 55a or
When the front limit switch 55b is turned on, the reclining motor 46 is stopped and excessive rocking of the seat back is prevented. As the limit switch 5S, for example, a potentiometer, an automatic return type pushbutton switch, etc. can be used.

Here, as shown in FIG. 1, the reclining mechanism 44
includes, for example, a reclining angle detection means 56 for detecting the reclining angle of the seat back 5o. The reclining angle detection means 56 is connected to the control circuit 22, and limits the range of angles (safety angles) in which the seatback 5c does not come into contact with the person seated in the rear seat when the dry pan (24) is in the retracted position. It is configured to immediately stop driving the slide motor 12 when the range is exceeded. As the reclining angle detection means 56, for example, a potentiometer that can measure the rotation angle of the reclining motor 46 and detect the reclining angle of the seat back 50 based on the measured value can be used. According to such a configuration, even if the driver accidentally turns on the auto switch 16 in the retracting direction with the seat back 50 of the driver seat tilted significantly backward, the driver seat 24
Since the rear seats are not moved to the retracted position, the safety of those seated in the rear seats is ensured.

By the way, when the auto switch 18 is turned on, the driver seat 24 is moved to the retracted position or to the driver's position, and the seat continues to be moved until the slide motor 12 is automatically stopped. However, there is a risk that an unexpected obstacle may obstruct the movement of the driver seat 24 while the driver seat 24 is moving, or a person sitting on the seat may inadvertently come into contact with the driver seat and cause an unexpected injury. be.

Therefore, according to the present invention, as a safety ensuring mechanism, for example, as shown in FIG. 2, an auto switch! 8. An emergency stop switch 58 is provided which immediately stops driving the slide motor 12 in the event of an emergency even when any of the manual switches 2o is being operated. As the emergency stop switch 58, for example, an automatic return type push-button switch can be used, and is provided at a position that can be operated by the driver and other occupants, and is connected to the control circuit 22. With such a configuration, even if the seat slide control device 10 malfunctions, the driver seat 24
The safety of the driver and those seated in other seats can be ensured within 1 minute.

Additionally, handbrake detection means 60 and seating detection means 62 are provided as other safety ensuring mechanisms.

The handbrake detection means 60, as shown in FIG.
For example, by turning on a handbrake detection means provided in the handbrake 64, a locked state of the handbrake, that is, a stopped state of the vehicle is detected.

As the handbrake detection means 60, for example, an automatic return type pushbutton switch can be used, and the handbrake detection means is connected to the control circuit 22 as shown in FIGS. 1 and 2.

For example, when the handbrake detection means 60 detects the open/yield state of the handbrake 64, a signal is output to the control circuit 22, thereby detecting that the vehicle is stopped, and only when the vehicle is stopped, the automatic The switch 18 and the manual switch 2° are configured to be operable. Therefore, even if the auto switch 18 or manual switch 20 is operated by mistake when the handbrake 64 is in an unrotated state, that is, when the vehicle is running, the driver seat 24 will not be moved and the driver's seating posture will not collapse when the vehicle is running. It can be prevented.

Further, as the seating detection means 62, for example, a seating switch can be used.
The seat cushion 66 is disposed within the seat cushion 66, and is connected to the foot roll circuit z2 as shown in FIGS. 1 and 2. For example, when the seating switch (seating detection means) 62 detects pressure, a signal is output to the control circuit to detect that the driver is seated, and only when the driver is seated, the auto switch 18 is operated. The seat 24 is configured to be able to return to the driver's position. In such a configuration,
Since the driver seat 24 is returned to its original position only when the driver is seated, the auto switch 18 and manual switch 20 will not malfunction. Therefore, until the driver is seated and operates the auto switch 18 and manual switch 20, the driver seat 24
is securely placed on standby at the evacuation position.

In the embodiment, the seating detection means 62 is configured as a seating switch that detects the presence or absence of a driver using pressure. However, the present invention is not limited to this, and the seating detection means 1s2 may be configured from a capacitive switch that detects the presence or absence of a driver based on the capacitance of the human body, for example.

Further, as can be seen from FIG. 2, an alarm 6g is connected to the control circuit 22. As will be described later, the alarm 68 can generate a warning sound, for example, when the auto switch 18 is operated, when the driver seat 24 is in the retracted position, when the vehicle stops at the final driver position, and when the safety mechanism is unsuitable. 〇 Reference numerals 70 and 72 in FIG. 2 are overcurrent detection resistors that prevent overcurrent from flowing to the slide motor 12 and the reclining motor 46. It is connected to a control circuit via a detection circuit 74. When an overcurrent is detected by the overcurrent detection resistor 70, 72, the control circuit 2 is output from the overcurrent detection circuit 74.
2, the slide motor 12 and the reclining motor 46 are immediately stopped, and the heat generation of each motor is prevented within 1 minute.

The seat slide control system by the seat slide control device 10 having the above configuration will be explained in detail with reference to the flowcharts shown in FIGS. 3 to 6.

First, for example, it is assumed that the driver seat 24 is in the driver position and the vehicle is securely stopped by locking the handbrake 64. In such a state, for example, as shown in FIG. 3, if the auto switch lδ is turned on in the retracting direction (100)
, it is determined whether the handbrake detection means 10 is on (102). Since the vehicle is stopped and the handbrake 64 is locked, YE at (102)
It is judged as S. Next, at (100), since the auto switch 18 is turned on in the retreat direction, the counter 1
6 is reset (104) and the count becomes zero. Then, it is determined whether the reclining angle of the seat back 50 is within the safe angle range (10G), and YES.
When it is determined that this is the case, the slide motor 12 is driven in the forward rotation direction at high speed T (10 g), and the driver seat 24 is quickly moved in the retraction direction.

Then, it is determined whether or not the rear limit switch 40a of the limit switch 40 is on when the driver seat 24 is in the retracted position (110). The rear limit switch 40a is turned on, and the slide motor 12 is driven in the normal direction until it is determined YES in (110). At this time, the number of rotations of the slide motor 12 detected by the rotation sensor 13 is counted by the counter 16.

When the driver seat 24 moves to the retracted position and the rear limit switch 40a is turned on, and YES is determined in (110), the slide motor 12 stops (112), and the count number when the motor stops is set to counter 1.
6 (114). Then, by stopping the slide motor 12, the retracted position of the driver seat 24 is set, where the driver's getting on and off the vehicle is not obstructed by the steering wheel 30 or the like.

Further, for example, if it is assumed that the auto switch 18 is mistakenly turned on in the retracting direction when the handbrake 64 is in the unlocked state, the handbrake detection means GO is turned off, and the determination in (102) is No. Then, the slide motor 12 is immediately stopped (11
2). In other words, when the handbrake detection means 60 is off, even if the auto switch 18 is turned on in the retreat direction,
The slide motor 12 is not driven. Furthermore, even if the hand brake 64 is in the unlocked state when the slide motor 12 is driven, the determination in (102) is NO, and the slide motor I2 is immediately stopped in (112).

Further, for example, if the relining angle of the driver seat 24 exceeds the safe angle range, (10
&>, it is judged as MO, the slide motor 12 is immediately stopped (112), and the safety of the person sitting on the rear seat is ensured.

Here, when the auto switch 18 is operated in the evacuation direction, the alarm 68 is displayed. As can be seen from FIG. 4, it is first determined whether or not the auto switch 18 is turned on in the evacuation direction. (120) If YES is determined by operating the auto switch in the retreat direction, a warning sound is generated by an alarm (122). Since the auto switch 18 is a one-touch type, the operating force is released after the auto switch 18 is operated - degree. Then, (1
20) is determined as NO, and it is determined whether or not the handbrake detection means 60 is on (124). At this time, when the handbrake 64 is in the unlocked state, N
It is determined that the answer is O, and a warning sound is generated by the alarm 68 (122).

Also, the locked state of the handbrake 64 is detected, and (
If YES is determined in step 124), it is determined whether the reclining angle of the seat back 50 is within the safe angle range (step 126). For example, Jidopa, Ri50
is tilted at an angle beyond the safe angle range, N
o, and a warning sound is generated by the alarm 68 (122).

When it is detected that the seat back 50 is within the safe angle range, YES is determined in (126), and it is determined whether or not the rear seat back 40a is on (12B). When the robot moves to the evacuation position and the answer is YES, a warning sound is generated by the alarm 68 (122), and the evacuation! Movement to a position is recognized.

In this way, when the slide motor I2 is driven and stopped,
When the slide motor is stopped by the handbrake detection means 60, the reclining angle detection means 56, etc., an alarm 68 generates a warning sound. Therefore, the driver can quickly confirm whether the slide motor 12 is driven or stopped by operating the auto switch 18.
Easy to do.

Further, as shown in FIG. 5, when the auto switch 18 is turned on in the return direction with the driver seat 24 in the retracted position (140), it is determined whether the handbrake detection means 60 is on or not (142). For example, suppose that when the vehicle is stopped, the handbrake 64 is locked, and the handbrake detection means 60 is turned on, (
14K), the determination is YES, and the seating detection means 62
It is determined whether or not it is on (144).

When the driver is seated on the driver seat 24 and the seating detection means 62 is turned on and determined as YES, the slide motor 12 is driven at high speed in the reverse direction (1
41s).

Then, the number of rotations of the slide motor 12 detected by the rotation sensor 13 is counted by the counter 16 (148). At this time, the number of counts required for retracting the driver seat 24 has already been stored in the counter 16. Therefore, when the slide motor 12 is reversed, the count number of the counter 16 is counted down from the count number stored when the slide motor 12 moved in the retracting direction.

Then, it is determined whether the count number of the counter 16 is zero or not by the comparison circuit 41 (150). counter 1
Slide motor 12 until the count number of 6 becomes zero.
is driven in the reverse direction, and if it is determined YES at (150), the drive of the slide motor is stopped and (15)
2) The driver seat 24 is returned to the final driver position at high speed.

Further, for example, if it is assumed that the auto switch 18 is erroneously turned on in the return direction when the handbrake 64 is in the unloaded state, the handbrake detection means 60 is turned off, and the determination in (142) is NO. Then, the slide motor 12 is immediately stopped.

For example, if it is assumed that the auto switch 18 is mistakenly turned on in the return direction before the driver seats, the seating detection means 62 is turned off, so (144)
The answer is No, and the slide motor 12 is stopped (152).

Here, when the auto switch 1δ is operated in the return direction, the warning display by the alarm 68 is as shown in FIG. ), YES is determined by operating the auto switch in the return direction, and a warning sound is generated by an alarm (162). Since the auto switch 18 is a one-touch type, the operating force is released after the auto switch 18 is operated - degree. Then, (11i0
) is determined to be NO, and the handbrake detection means 6
It is determined whether 0 is on (164). At this time, when the handbrake 64 is in the unloaded state, the determination is NO, and a warning sound is generated by the alarm 68 (1
62).

Also, the locked state of the handbrake 64 is detected, and (
164), the counter I6
The comparison circuit 41 determines whether or not the count number is zero (IH). The slide motor 12 is driven in the reverse direction until the count number of the counter 16 becomes zero, and (
If YES is determined in 1g6) and the drive of the slide motor is stopped, a warning sound is generated by the alarm 68 (162).

In addition, even when returning to the final driver position control, the driver seat 24 is retracted, the slide motor 12 is driven and stopped, and the handbrake detection means 60 prevents the slide motor from being driven. When this occurs, an alarm 68 generates a warning sound. Therefore, the driver can quickly and easily confirm whether the slide motor 12 is driven or stopped by operating the auto switch 18.

In addition, if you turn on the manual switch 20 forward,
The slide motor 12 is driven in the reverse direction at low speed to move the driver seat 24 forward at low speed, and when turned on backward, the slide motor 12 is driven in the forward direction at low speed to move the driver seat 24 forward. move backwards at low speed. If the driver arbitrarily stops operating the manual switch 20 at a desired position, the drive of the slide motor 12 is immediately stopped, and the driver seat 24 is stopped.
The front and rear positions can be finely adjusted as desired.

As mentioned above, the seat slide control device IO of the present invention
According to the above, when the auto switch 1δ is turned on in the return direction when the driver seat 24 is in the P speed position, the slide motor 1 is rotated by the number of rotations required to move the driver seat 24 to the retracted position.
2 is driven in the reverse direction, and the driver seat 24 is returned to the final driver position immediately before retraction at high speed.

In other words, the driver only needs to turn on the auto switch 18 in the retreat direction or return direction, without having to set or memorize his or her preferred driver position in advance or input his or her own identification code. 24 can be easily operated for evacuation and return.

Further, the number of revolutions of the slide motor 12 is reset and counted each time the driver moves from the driver position to the retreat position. In other words, even if an error occurs due to overrun when the driver seat 24 is moved, the error is not accumulated, so a CPU or the like for error correction becomes unnecessary. Therefore, a microcomputer or the like is not used, the configuration is simplified, and an inexpensive slide control device can be easily obtained.

Further, according to the present invention, the rotational speed of the slide motor 12 is switched by the speed switching circuit 42, so that the slide motor is rotated at high speed when the driver seat 24 is retracted or returned, and at the same time when the driver seat 24 is moved back and forth. The slide motor is rotated at low speed. Therefore, it is possible to quickly move to the evacuation position and return to the final driver position, allowing the driver to get in and out of the car quickly, and to easily finely adjust the longitudinal position of the driver seat 24 at the driver position. I can do it.

In the embodiment, the seat slide control device IO is attached to the driver seat 24, but
The present invention is not limited to this, and the seat slide control device of the present invention can also be applied to a seat slide control device mounted on an assistant seat, for example.

The above-mentioned embodiments are for illustrating the present invention, and are not intended to limit the present invention in the same way, and all modifications and modifications within the technical scope of the present invention are also included in the present invention. Needless to say.

〔Effect of the invention〕

As described above, according to the seat slide control system for a vehicle seat according to the present invention, when the seated person is seated, the slide motor is driven by the same number of rotations as the number of rotations stored when moving to the retracted position. , the seat will automatically return to its final seating position. That is, since the seated person does not have to preset and memorize his or her preferred seating position or input his or her own identification code, operations for retracting and returning the seat can be easily performed.

In addition, the number of rotations of the slide motor is counted by a counter, which is reset each time the motor moves from the seating position to the retracted position.
With the counting configuration, even if an error occurs due to overrun when moving the sheet, the error will not be accumulated. Therefore, the seat is accurately returned to the final seating position.

Further, according to the present invention, the rotational speed of the slide motor is switched by the speed switching circuit, so that the slide motor is rotated at high speed when the seat is evacuated and returned to the seat, and the slide motor is rotated at high speed when the seat is adjusted back and forth. rotated at low speed. Therefore, it is possible to quickly move to the evacuation position and return to the final seating position, allowing the driver to get in and out of the car quickly, and also to easily make fine adjustments to the front and rear positions of the seat in the seating position. .

According to the seat slide control device for a vehicle seat of the present invention, the above seat slide control system can be appropriately performed.

Further, since the configuration is simplified without using a microcomputer, an inexpensive seat slide control device can be easily obtained.

If the vehicle is configured to include handbrake detection means, seating detection means, reclining angle detection means, emergency stop switch, etc., safety and comfort can be ensured within 1 minute.

[Brief explanation of drawings]

FIG. 1 is a schematic block diagram of a seat slide control device for a vehicle seat according to the present invention, FIG. 2 is a detailed block diagram centered on the control circuit, and FIGS. 3 is a flowchart of a seat slide control system for a vehicle seat.

Claims (6)

[Claims] (1) A sliding motor can be operated by a switch to move between the seating position set according to the occupant's preference and the evacuation position where the occupant can get on and off the vehicle without being obstructed by other onboard equipment. In a seat slide control system for vehicle seats in which the seat is moved by the drive of , and automatically returns the seat to the final seating position by driving the slide motor when the seated person gets on the seat by the same number of revolutions as the number of revolutions memorized when moving to the retracted position. Slide control system. (2) The slide motor has a rotation sensor, and the number of rotations detected by the rotation sensor is counted by a counter. When the auto switch is operated in the retraction direction, the counter is reset and the count becomes zero, and the slide The number of rotations of the slide motor detected by the rotation sensor is counted and stored in the counter, and the number of rotations of the slide motor detected by the rotation sensor is counted and stored in the counter. 2. The seat slide control system for a vehicle seat according to claim 1, wherein the motor is driven in a direction opposite to when the seat is retracted to return the seat to its final seating position. (3) A manual switch is provided in addition to the auto switch to drive the slide motor to move the seat to a desired seating position, and when the slide motor is driven by the auto switch operation, the slide motor rotates at high speed. The seat slide control system for a vehicle seat according to claim 2, wherein the slide motor is rotated at a low speed when the slide motor is driven by operating the manual switch. (4) Detects the locked state of the vehicle's handbrake, and only when the handbrake is locked can the auto switch be operated, detects the reclining angle of the seatback, and adjusts the seatback to the position of the rear seat occupant. The seat can only be moved to the retracted position when the seat is within a safe angle where no contact occurs, and the seat can also be moved from the retracted position to the final seating position only when a person is present by detecting the presence or absence of a passenger. A seat slide control system for a vehicle seat according to any one of claims 1 to 3. (5) A seat slide mechanism on which the seat is placed and which allows the seat to be moved in the front and back direction, a slide motor with a rotation sensor that moves the seat in the back and forth direction, and the number of revolutions of the slide motor detected by the rotation sensor. an auto switch that controls the drive of the slide motor to move the seat to the retracted position and return to the final seating position; and an auto switch that controls the drive of the slide motor to move the seat to the final seating position A manual switch that sets the seating position, a speed switching circuit that changes the rotation speed of the slide motor in response to the operation of the auto switch and manual switch, and a speed switching circuit that processes the input information to drive the slide motor.
A seat slide control device for a vehicle seat, comprising: a control circuit for controlling the rotational speed of a slide motor; (6) A handbrake detection means for detecting the locked state of the handbrake, a seating detection means for detecting the presence or absence of a seated person, a reclining angle detection means for detecting the reclining angle of the seatback, and forcing the drive of the slide motor. The seat slide control device for a vehicle seat according to claim 5, further comprising: an emergency stop switch that stops automatically.