JPH0752676A - Controller for speed change gear of automatic vehicle - Google Patents

Abstract

PURPOSE:To enhance controllability by automatically shifting a speed change gear position to a neutral or parking position using a gear shift means if the engine is stopped while the vehicle is running or being stopped, and enabling the engine to be restarted simply by the turn-on of a n ignition switch. CONSTITUTION:This direction-selecting control 9 provided to a supporting member 8 projected from the inner surface of the driver's seat side door has a protruding streak 26 serving as a pointer and projected at the center of the outer peripheral surface of a rotary operating drum 25 supported on a base. On the outer peripheral surface of the operating drum 25, R is displayed in front of the protruding streak 26 and N/P and D are displayed behind the protruding streak 26, and a solenoid 28 is suspended below the operating drum 25. Less than T minutes after the driver gets off the vehicle with an ignition switch turned off, an alarm sounds to announce a neutral state; in excess of T minutes or at a vehicle speed of (a) or less, a parking-control canceling switch 42 is turned off to set a parking state.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to control of transmission gears in an automatic vehicle.

[0002]

2. Description of the Related Art FIG. 1 is a front view of the interior of a conventional general automatic vehicle. As shown in FIG. 1, a selector lever 02 is provided on a side center console 03 of a driving vehicle 01 so as to be swingable back and forth. Then, if the select lever 02 is tilted forward, it will be in the P position and R, N, D
_The position changes to ₃ , 2, 1.

An instrument panel 05 in front of the steering wheel 04 is provided with an ignition switch 06 at the right end in addition to instruments.

The select lever 02 is held at any position and does not change its position unless it is manually operated. The transmission itself is not automatically changed from in-gear to neutral or parking.

[0005]

[Problem to be Solved] Therefore, when the transmission is in-gear and the engine is stopped while the vehicle is running, the driver first operates the select lever 02 with the left hand to select the neutral N, and then the steering wheel 04 with the left hand. When the engine is switched, the ignition switch 06 is turned on with the right hand to restart the engine. When the engine is started, the steering wheel 04 is replaced with the right hand and the select lever 02 is operated with the left hand.

When the engine is stopped while the vehicle is stopped, the select lever 02 is first operated by the left hand to select the neutral N or the parking P, and the same work as when the vehicle is running is performed. The work when the engine is stopped is unexpectedly troublesome.

Further, in the case of an automatic vehicle in which the ignition key can be removed only when the transmission is in the parking state, even if the ignition switch is turned off and the ignition key is removed in the neutral state, the select lever 02 cannot be pulled out. It is necessary to operate the to set the parking state. If the driver does not know that the ignition key cannot be removed unless the driver is parked, he or she will be lost.

The present invention has been made in view of the above points,
The purpose is to provide a transmission gear control device for an automatic vehicle, which is easy to perform when the engine is stopped and when the ignition is off.

[0009]

In order to achieve the above object, the present invention detects an engine stop in an automatic vehicle in which the engine can be started when the gear position of the transmission is neutral or parking. A transmission gear for an automatic vehicle equipped with a detection means and a gear changing means for changing the gear position to neutral or parking when the detection means detects engine stop in an in-gear state where the transmission gear position is other than neutral or parking. The control device.

If the engine is stopped while the vehicle is running or stopped, the gear changing means automatically changes the transmission gear position to neutral or parking, so that the driver turns on the ignition switch to restart the engine. All you need to do is a simple operation.

A second aspect of the present invention is a detection means for detecting that the ignition switch is turned off in an automatic vehicle in which the ignition key can be removed only when the gear position of the transmission is in parking, and the detection means. The transmission gear control device for an automatic vehicle is provided with gear changing means for changing the gear position to parking when the means detects that the ignition is turned off.

When the ignition switch is turned off in a state other than the parking state, the gear position is automatically changed to the parking state, so that it is convenient to remove the ignition key immediately without performing the parking operation.

[0013]

[Embodiment] An embodiment of the present invention shown in FIGS. 2 to 16 will be described below. FIG. 2 is a diagram showing a state in front of a driver's seat 2 of an automatic vehicle 1 to which the operating device of this embodiment is applied.

From the steering column 4 at the pivot portion of the steering wheel 3 to the passenger side, the wiper operating lever 5
The gear shift lever 6 projects separately from the gear shift lever 6.

On the other hand, a support member 8 is projectingly provided on the inner surface of the door 7 on the driver's seat 2 side, and the support member 8 is provided with a traveling direction selecting operation device 9. The instrument panel 10 in front of the steering wheel 3 is provided with a position indicator lamp 11 together with other meters, an ignition switch 61 is provided at the right end, and an audio device 13 and the like are provided above the center console 12. It is arranged.

As shown in FIGS. 3 to 5, the speed change lever 6 projects from above the wiper operation lever 5 of the steering column 4 toward the left passenger seat side, can swing up and down, and in order from lower to upper. Shift up position D-
There are three positions: up, neutral position D-neutral, and shift down position D-down, and the neutral position D is always present.
-It is an auto-return drive type lever that applies a force to bias in the neutral direction.

That is, the gear shift lever 6 is located in the neutral position D-neutral when no external force is applied, and when it receives an upward force, it shifts to the shift-up position D-up, and an instruction to shift up the gear is given to release the force. And neutral position D-returns to neutral. Similarly, when the shift lever 6 receives a downward force, it shifts to the shift down position D-down to instruct to shift down the gear, and when the force is released, the neutral position D.
-Return to neutral. Since the gear shift lever 6 is located near the steering wheel 3, it can be operated without releasing the hand from the steering wheel 3 and is easy to handle.

Next, as shown in FIGS. 2 and 3, the advancing direction selecting operation device 9 is located slightly forward of the steering wheel 3 at the height of the steering column 4 in the right door 7 so that the driver can move to the driver's seat 2. You are seated normally and your right hand is within reach. As shown in FIG. 6, the traveling direction selection operation device 9 is fitted into the rectangular opening 8a of the supporting member 8 and is screwed by the screw 20, and the supporting member 8 itself is screwed through the bracket 21.
It is fixed to the door 7 from the side by 22.

The structure of the traveling direction selection operation device 9 is shown in FIGS. The traveling direction selection operation device 9 is a base
A rotary operation drum 25, which lacks a portion of about 90 degrees, is supported by a pivot 24 that is laid horizontally in the left and right directions on 23, and a part is exposed upward from the opening of the base 23. Rotating operation drum
A projecting ridge portion 26 which also serves as a pointer is projected in the center of the outer peripheral surface of the rod 25 in parallel with the pivot 24, and a driver puts his / her finger on the ridge portion 26 so that the turning operation drum 25 can be easily turned back and forth. There is.

On the outer peripheral surface of the rotary operation drum 25, there are ridges 26
On the front side, an R is displayed, which means backward, and on the rear side of the protrusion 26, N and P, which mean neutral and parking, are displayed side by side, and D is displayed on the rear side, which means forward. A display valve 27 is provided on the inside of each display, which is marked on the translucent member and is separately provided.

An electromagnetic solenoid is provided below the rotary operation drum 25.
The return spring 30 is hung between the supporting member 29 extending from the base plate 23 supporting the electromagnetic solenoid 28 and the rotary operation drum 25 via the locking members 29a and 25a, respectively, and is rotated. The dynamic operation drum 25 is urged in the N / P position direction which is the state shown in FIGS.

In this N / P position, the ridge portion 26 provided at the center of the outer peripheral surface of the rotary operation drum 25 is at the highest position, and it is N behind the ridge portion 26 and in front of the driver. The characters displayed next to and P enter the field of view, and N / P
The driver can see that he is in position.

In the electromagnetic solenoid 28, a cap 31 having a conical shape and a smooth top with a rounded top is fixed to the tip of a telescopic rod 28a projecting upward, and the telescopic rod 28a is driven by the electromagnetic solenoid 28. Stretches and caps
31 moves up and down.

A detent member 32 fixed to the rotary operation drum 25 and swinging integrally with the rotary operation drum 25 is provided above the cap 31, and the detent member 32 is provided as shown in FIG. Symmetrical detent protrusion 32a
And the detent concave portion 32b are formed, the detent member 32 is not touched at the N / P position even if the cap 31 projects upward, and the rotary operation drum 25
When the detent member 32 rotates forward or backward integrally with the rotation of the cap 31, the detent convex portion 32a comes into contact with the tapered end of the cap 31 and the cap 31 is slightly retracted downward so that the cap 31 is convex. By projecting again beyond the portion 32a and engaging with the detent recess 32b, the rotary operation drum 25 can be fixed and held in the rotary state against the return spring 30.

That is, when the driver turns the rotary operation drum 25 forward by pushing the protrusion 26 of the rotary operation drum 25, the cap 31 engages with one detent recess 32b of the detent member 32. Hold, and at this time the rotation operation drum 25
The display of D on the outer peripheral surface of appears in the driver's field of view, indicating that the D position has been reached to instruct the driver to move forward.

A stopper rubber 33 is fixed to both ends of the rotary operation drum 25 at a notch of about 90 degrees, and the stopper plate 33 provided on the support member 29 contacts the stopper rubber 33. Excessive rotation of the operation drum 25 is restricted (see the phantom line in FIG. 9).

When the rotary operation drum 25 is rotated toward this side from this state, the detent recess 32b of the detent member 32 is disengaged from the cap 31, and the biasing force of the return spring 30 restores the original N / P position. .

On the contrary, the driver can project the ridge 26 of the rotary operation drum 25.
Put your finger on it and pull it toward you, and rotate the rotation operation drum 25 backward. Then, the other detent recess 32 of the detent member 32
The cap 31 is engaged with and held by b, and at this time, only the indication of R on the outer peripheral surface of the rotating operation drum 25 is in the sight of the driver,
This shows that the R position has been reached, which instructs to move backward. When the rotary operation drum 25 is rotated forward from this state, the engagement between the detent recess 32b of the detent member 32 and the cap 31 is released, and the return spring 30 returns the original N / P position.

A switching plate 35 is integrally hung on the rotary operation drum 25 below the pivot 24. As shown in FIG. The convex portions 35a and 35b are formed on the bottom.

The D erroneous operation determination switch 36 and the motor drive switch 37 on the rear side and the R erroneous operation determination on the front side are located at predetermined positions on the orbits of the convex portions 35a and 35b of the switching plate 35 which rotate together with the rotation operation drum 25. A switch 38 and a motor drive switch 39 are provided.

When the rotary operation drum 25 is rotated forward and the switching plate 35 swings backward together with the rotary operation drum 25, the convex portion 35a of the switching plate 35 first activates the D erroneous operation determination switch 36 to cause erroneous operation. If so, the electromagnetic solenoid 28 is turned off to retract the cap 31, the cap 31 does not engage with the detent recess 32b of the detent member 32, the rotary operation drum 25 is not held in the D position, and if the hand is released, the return spring 30 is used. It returns to the original N / P position.

However, when the forward rotation of the rotary operation drum 25 is not an erroneous operation, when the D erroneous operation determination switch 36 is activated, the electromagnetic solenoid 28 is turned on to cause the cap 31 to project, and the detent recess 32b of the detent member 32 is capped. 31 is engaged and the rotary operation drum 25 is held at the D position,
At the same time, the convex portion 35b turns on the motor drive switch 37 to shift the gear position to the drive D ₄ , and the forward drive mode is set.

On the other hand, when the rotary operation drum 25 is rotated rearward, first, the convex portion 35a on the front side of the switching plate 35 actuates the R erroneous operation determination switch 38 to turn off the electromagnetic solenoid 28 in the case of erroneous operation. The cap 31 is retracted and the rotary operation drum 25 is not held at the R position, and when it is not an erroneous operation, the electromagnetic solenoid 28 is turned on to cause the cap 31 to project and the detent recess 32b of the detent member 32.
Is engaged to hold the rotary operation drum 25 in the R position, and the convex portion 35b on the front side turns on the motor drive switch 39 to shift the gear position to the reverse R to set the reverse mode.

As described above, the advancing direction selecting operation device 9 is set to the forward mode when the rotating operation drum 25 is rotated forward and is set to the backward mode when rotating the rotating operation drum 25 forward unless it is an erroneous operation. Even if it is a first time user, the operation can be easily and accurately performed because the operation direction is the same and there is no sensory deviation.

A translucent display plate 40 is fitted adjacent to the left side of the base 23 exposing a part of the rotary operation drum 25 upward, and the surface of the translucent display plate 40 is fitted as shown in FIG. The display of D, N, P, and R, the scale of the D position, the scale of the central position of N and P, and the scale of the R position are displayed, and guidance of the operating direction of the rotary operation drum 25 is shown. Along with D,
Operable position display valves 41 are built inside the N, P, and R displays, respectively, and the valves at the pre-operable positions are lit so that the driver can visually recognize them.

In front of the translucent display board 40, there is a push button type parking control cancel switch 42 of a holding type contact.
And its ON indicator lamp 43, and a push button type door control cancel switch 44, which is also a holding type contact, is disposed behind the translucent display plate 40, and an operation guide display is provided next to it. The above is the advancing direction selecting operation device 9, and the area below the base 23 is covered with the cover 8a of the supporting member 8.

Next, FIG. 11 shows details of the position indicator lamp 11 of the instrument panel 10. Position indicator light
11 is arranged vertically in the center of the circular display panel 50 in the left-right direction, and a fuel gauge 51 and a water temperature gauge 52 are arranged on the left and right sides thereof.
Four warning displays 53 are provided on the lower side.

The position indicator lamp 11 includes a fuel gauge 51 and a water temperature gauge.
First, from the upper side to the lower side by being sandwiched by 52, the gear shift position display at the time of forward movement surrounded by the double square frame of D ₄ , D ₃ , 2, 1 is arranged at a slight slant, and below the display panel 50. The forward position display of D surrounded by a triangle frame at the approximate center position,
A neutral position display of N surrounded by a circle frame on the left side below, a parking position display of P surrounded by a square frame on the right side, and a retreat of R surrounded by an inverted triangle frame under the N and P position displays. Position displays are provided, and the above displays are displayed on a translucent plate, and each has a built-in display valve.

Each of D ₄ , D ₃ , 2, 1 and D has a light blue color tone, and any one of D ₄ , D ₃ , 2 and 1 is turned on according to the shift position when D is turned on. It has become. The display of N is a yellow color tone and blinking display is performed, the display of P is a lighting display with a green color tone, and the R display is a blinking display with a red color tone.

The lit or blinking display of each of the D, N, P, and R positions indicates the operating state of the traveling direction selecting operation device 9, and the lit display of the shift positions of D ₄ , D ₃ , 2, and 1 indicates the shift. It is changed by operating the lever 6.

As described above, the position indicator lamp 11 has the forward position display on the upper side and the reverse R position display on the lower side so as to match the actual forward / backward directions with a normal feeling, and the traveling direction. The operation directions of the selection operation device 9 and the speed change lever 6 are sensuously coincident with each other and are easy to visually recognize. In addition, each position display is color-coded and has a different shape, which improves the visibility.

Further, in the present embodiment, as shown in FIG. 2, a red R indicator lamp 54 of R is provided at the lower corner of the front window 14 near the front pillar on the driver's side so that it can blink.
As shown in FIG. 12, the rear window 15 is provided with a D light indicator 55 for displaying light blue of D at the lower center thereof so as to be capable of blinking.

Therefore, when the driver intends to move forward and looks ahead, the R indicator light at the corner of the front window 14
If 54 is blinking, this blinking is surely noticeable and it is understood that the gear state is in reverse, and it is possible to easily set the correct forward state again by operating the traveling direction selection operation unit 9.

On the contrary, the driver intends to retreat while looking backwards, but if the D indicator light 55 at the lower center of the rear window 15 is blinking, it is easy to see and the gear is moving forward. It can be understood that the correct backward state can be set again by operating the traveling direction selection operation device 9.

The control by the operation of the traveling direction selection operation device 9 and the speed change lever 6 is performed by the microcomputer, and the system configuration including other related switches and sensors is shown in FIG.

The ECU 60, which is the control center, includes an ON signal of the ignition switch 61, switches 62 such as the D erroneous operation determination switch 36 of the traveling direction selection operation device 9, a speed change switch 63 for detecting the operation state of the speed change lever 6, Accelerator switch 64, which detects whether or not the accelerator pedal is depressed, and a brake switch, which detects whether or not the brake pedal is depressed
65, a door switch 66 that detects the open / closed state of the doors other than the driver's seat, and a seating sensor that detects whether or not the driver's seat 2 is seated
67, proximity sensors 68 attached to the front and rear of the vehicle body, a fuel cap switch 69 that indicates the open / closed state of the fuel cap at the fuel supply port, an engine rotation sensor 70 that detects the presence or absence of engine rotation, and a vehicle speed sensor 71 with forward / backward movement determination. A signal from the motor position sensor 72 or the like that detects the rotational position of the transmission driving motor is input.

On the other hand, from the ECU 60, displays 75 such as the display valve 27 of the traveling direction selection operation device 9, display devices such as the position indicator lamp 11, the R indicator lamp 54, the D indicator lamp 55 and the traveling direction selection. Drive signals are output to the electromagnetic solenoid 28 in the operating device 9, the motor 76 for driving the transmission, the audio device 13, the alarm / operation sound vocalizing device 77, and the like. The audio device 13 and the alarm / operation sound producing device 77 drive the speaker 78 to produce a voice.

Under the above system configuration, the control by the traveling direction selecting operation device 9 will be described first with reference to the flowcharts of FIGS. 14 to 16. In FIG. 14, the operation is started by turning on the ignition switch 61 (step 1), and it is determined in step 2 whether or not the ignition switch 61 is in the on state. If the ignition switch 61 is not in the on state for any reason, the process proceeds to step 3 and the vehicle speed is absolute. It is determined whether or not the value | V | is less than or equal to a (for example, 1 km / h), and if less than or equal to a, the process proceeds to step 4, and if the parking control cancel switch 42 is on, it is forcibly turned off and put in the parking state. The gear is set (step 5), and this control ends.

When it is determined in step 3 that the absolute value of vehicle speed | V | is larger than a, it proceeds to step 6 and it is determined whether or not the driver gets off and is less than T seconds. Whether or not the driver gets off here is determined by the signal from the seat sensor 67.

If the driver gets off the vehicle for less than T seconds or is on the vehicle, the neutral state is set (step 7), and if the audio device 13 is used, the volume is reduced (audio mute) ( In step 8), the alarm / operation sound uttering device 77 is driven to utter a voice alarm "Neutral" (step 9), and attention is paid back to step 2. When the driver gets off the vehicle in step 6 and exceeds T seconds, the process proceeds to step 4 to turn off the parking control cancel switch 42 to set the parking state (step 5).

That is, when the ignition switch 61 is turned off, if the vehicle speed exceeds a and the driver gets off the vehicle for less than T seconds, the neutral state is set (step 7).
When an alarm is issued and the time exceeds T seconds or the vehicle speed becomes a or less, the parking control cancel switch 42 is turned off to set the parking state (step 5). Therefore, even if the ignition switch is turned off, even if the vehicle is in the neutral state, the vehicle is automatically parked when the vehicle speed is a or less. Therefore, when the ignition key is removed, the vehicle is in the normal parking state, and the parking is intentionally selected and operated. It is convenient and unnecessary. This is especially convenient for vehicles where the ignition key cannot be removed unless the vehicle is parked.

On the other hand, in step 2, the ignition switch
When 61 is in the ON state, the routine proceeds to step 10, where it is judged from the fuel cap switch 69 whether the fuel cap is open or closed. If the fuel cap is open, the routine proceeds to step 11 where the audio mute is performed and a voice alarm “fuel cap opens ”” (Step 12), and it is determined whether or not the vehicle speed absolute value | V | is a or less (step 13).

If the absolute value of vehicle speed | V | is a or less, the routine proceeds to step 14 to stop the engine, interlock the starter (step 15), jump to step 20, and park if the parking control cancel switch 42 is off. The state is set (step 21), and the process returns to step 2.

That is, when the ignition switch 61 is on and the fuel cap is open, if the vehicle speed absolute value | V | is a or less with a voice alarm, the engine is forcibly stopped and the starter is interlocked to perform parking control. If the cancel switch 42 is off, the parking state is set (step 21). For example, when refueling at a gas station or the like, the engine can be automatically stopped and put in a parking state.

When it is determined in step 10 that the fuel cap is closed, or in step 13 the absolute vehicle speed value | V
When | exceeds a, the routine proceeds to step 16, where it is judged whether or not the traveling direction selection operation device 9 is at the N / P position. If it is at the N / P position, the routine proceeds to step 17 where the transmission is actually operated. It is determined whether the vehicle is in the parking or neutral state. If the vehicle is in the parking state or the neutral state, the process jumps to step 19, and if the vehicle is in the in-gear state other than the parking state or the neutral state, an operation sound is emitted in step 18 and the process proceeds to step 19.

The operation sound of step 18 is a beeping sound for a moment, and prompts the driver to confirm that there is a gear change. Then, in step 19, it is judged whether or not the absolute value of vehicle speed | V |
The state of the parking control cancel switch 42 is discriminated by and if it is in the off state, the parking state is set (step 21).

If the absolute value of vehicle speed | V | exceeds a in step 19 or if the parking control cancel switch 42 is turned on in step 20, the process proceeds to step 22 and it is determined whether the driver is alighting or not and the vehicle is alighted. If not, jump directly to step 25 to set the neutral state, but if the driver is getting off, proceed from step 22 to step 23 to mute the audio and make a voice warning "Neutral" and be careful. Invoke and set to neutral (step 25) and return to step 2.

That is, since the traveling direction selection operation device 9 is in the same N / P position as neutral and parking,
Under the condition that the parking control cancel switch 42 is in the OFF state, the vehicle speed absolute value | V | is set to the parking state if it is equal to or less than "a", and is automatically set to the neutral state if it exceeds "a".

Therefore, since the neutral position and the parking position are not separate positions, it is easy to operate the traveling direction selection operation unit 9 by reducing the number of positions, and the parking state is automatically set, so that the work when the vehicle is stopped is easier. Becomes

When the driver does not want this automatic setting, the parking control cancel switch 42 is pushed to turn it on so that the parking state is not automatically set and the neutral state can be maintained. However, even if the parking control cancel switch 42 is turned on, the ignition switch 61 is turned off and the vehicle speed absolute value is changed as described above.
When V | is a or less or when the driver gets off the vehicle and T seconds have passed, the parking control cancel switch 42 is released from the ON state (step 4) and forcedly enters the parking state (step 5).

When the rotary operation drum 25 of the traveling direction selection operation device 9 is not in the P / N position in step 16, the process shown in FIG.
Skip to step 31. In step 31, it is determined whether or not the traveling direction selection operation device 9 is in the D position, and if it is in the D position, the process proceeds to step 32 and it is determined whether or not the transmission is set to the drive state.

If the transmission is not set to the drive state, the routine proceeds to step 33, where it is judged if the absolute vehicle speed | V | is b (for example, 5 km / h) or less. Proceed to step 34 to determine whether or not the brake switch 65 is on, that is, whether or not the brake pedal is depressed, and if so, the accelerator switch will be selected in the next step 35.
It is determined whether 64 is off, that is, whether the accelerator pedal is depressed.

When the brake pedal is depressed but the accelerator pedal is also depressed, proceed to step 36 to mute the audio and voice alarm "Please release the accelerator."
Is uttered (step 37), the process jumps to step 44, the electromagnetic solenoid 28 of the traveling direction selection operation device 9 is turned off, and the process returns to step 10 (see FIG. 14).

That is, the traveling direction selecting operation device 9 at the time of starting
When the accelerator pedal is already depressed, the electromagnetic solenoid 28 is turned off and the cap 31 is retracted to engage the detent member 32 with the detent concave portion 32b when the accelerator pedal is already depressed. So that the rotary operation drum 25 is not held at the D position.

Therefore, when the hand is released from the rotary operation drum 25, the rotary operation drum 25 is moved to N / by the return spring 30.
Returning to the P position, switching to the drive mode is prohibited.

On the other hand, if the brake switch 65 is off and the brake pedal is not depressed in step 34,
Proceeding to 38, it is determined whether or not the forward rotation operation of the rotation operation drum 25 of the traveling direction selection operation device 9 is an extremely short operation time by directly switching from the R position to the D position. If it is less than t seconds, the process proceeds to step 35, and if an operation time of t seconds or more is taken, the process proceeds to step 39.

That is, when starting from a normal stop state, the N / P position is operated to the D position. Therefore, it is judged that the operation time is t seconds or more, not the operation from the R position. The voice alarm "Please step on the brake" is uttered (step 40), and the electromagnetic solenoid 28 is turned off (step 44).

However, when the reverse vehicle speed is less than or equal to b and the vehicle travels by switching from reverse to forward, the operation time from the R position to the D position does not take t seconds.
The routine proceeds from step 38 to step 35, where the state of the accelerator switch 64 is being judged, and eventually the drive mode can be entered even if the brake pedal is not depressed.

When it is determined in step 33 that the vehicle speed absolute value | V | exceeds b, it is determined in step 41 whether the vehicle speed V is greater than b. If it is greater than b, it is determined that the brake is on (step 34 ) And skip step 35
If it is less than b, that is, if the reverse vehicle speed is reversing at more than b, proceed to step 42 to mute the audio and announce the voice alarm "Please stop before operating" (step 43), Jumping to step 44, the electromagnetic solenoid 28 is turned off and the process returns to step 10. That is, when moving from reverse to forward, the traveling direction selection operation device 9 prohibits entering the drive mode until the reverse vehicle speed becomes b or less.

If it is determined in step 32 that the transmission is in the drive mode, and if it is determined in step 35 that the accelerator pedal is not depressed, then either go to step 45 to see if the engine is being driven. Whether or not it is determined by the engine rotation sensor 70. If the engine is stopped, the process jumps to step 44, the electromagnetic solenoid 28 is turned off, and the process returns to step 10.

That is, when the engine is stopped even though the transmission is in the drive even though the traveling direction selecting operation device 9 is set to the D position, the electromagnetic solenoid 28 is turned off to select the traveling direction. Retaining the rotation operation drum 25 of the container 9 and automatically returning to the N / P position,
With this return, is the transmission side also in neutral (Step 2
5), change to parking (step 21) automatically.
Therefore, when restarting, the operation of selecting the N / P position can be omitted and the ignition switch can be turned on immediately, which simplifies the operation and prevents erroneous operation.

When it is determined in step 45 that the engine is being driven, it is determined in step 46 whether or not it is less than T seconds after the driver disembarks, and if it exceeds T seconds, jump to step 44 Turn off the solenoid 28. That is, even when the engine is driven, if the driver has left the seat for T seconds or more, the traveling direction selection operation device 9 is automatically set to the N / P position.

If the time is less than T seconds even if the passenger is getting on or off the vehicle while the engine is being driven, the routine proceeds to step 47, where it is judged from the signal of the door switch 66 whether all the doors other than the driver's door are closed, and the door is closed. If you are, jump to step 52,
If at least one door is open, go to step 48 to mute the audio and announce the voice alarm "door is open" (step 49) to check whether the absolute vehicle speed | V | is b or less. If the door control cancel switch 44 is in the off state, the process proceeds to step 44 and the electromagnetic solenoid 28 is turned on. Turn off.

That is, when one of the doors other than the driver's door is also open, a voice alarm is issued and the traveling direction selection operation device 9 is set to the N / P position on condition that the door control cancel switch 44 is in the OFF state.

However, in a special case where traveling is desired to some extent even if the door is open, the door control cancel switch 44 is pushed to turn it on.

When the door is closed, or when the door control cancel switch 44 is in the on state even when the door is open, the routine proceeds to step 52, where it is judged if the absolute vehicle speed | V | If it exceeds a, it jumps to step 55, but if it is less than a, it proceeds to step 53 and the distance between the front and rear vehicles
Whether or not it is less than Am is determined from the signal of the proximity sensor 68, and if it exceeds Am, jump to step 55, and if it is less than Am, step
Proceed to 54 to determine whether the relative speed with respect to the front and rear vehicles is Vr km / h or more. If it is less than Vr km / h, proceed to Step 55.
If it is Vr km / h or more, the process jumps to step 44 to turn off the electromagnetic solenoid 28.

That is, when the absolute value of vehicle speed | V | is a or less and is close to stop or is in a stopped state, when the front and rear vehicles approach Am or less at a relative speed Vr km / h or more, the electromagnetic solenoid 28 is turned off and the traveling direction is changed. The selection operation device 9 is forcibly set to the N / P position. At this time, since | V | ≤a, the transmission is automatically set to the parking state (step 21).

If any one of the answers in the above steps 52, 53, 54 is negative, the process jumps to step 55 to determine whether the transmission is in the drive or not, and if it is not in the drive, the process proceeds to step 56. The rear window 15
The D indicator light 55 provided at the lower end of the center of the lamp blinks for a predetermined time (about ten seconds) (step 57), the electromagnetic solenoid 28 is turned on in step 58, and immediately if the transmission is in the drive in step 55. Electromagnetic solenoid flying to step 58
28 is turned on, the rotary operation drum 25 of the traveling direction selection operation device 9 is engaged and held at the D position to set the transmission in the drive state (step 59), and the process returns to step 2.

When the rotary operation drum 25 of the traveling direction selection operation device 9 is not in the D position in step 31, the process jumps to step 61 in FIG. 16 to determine whether the rotary operation drum 25 is in the R position. It

When the rotary operation drum 25 is not in the R position, the process returns to step 10 (FIG. 14), and when it is in the R position, the process proceeds to step 62, and then steps from step 62.
Up to 89, it is almost the same as the flow of FIG. 15,
Drive D and reverse R in some steps 62, 68, 85, 88
The only difference is that the positions are replaced and the position of step 89 corresponding to step 57 is different, so detailed description will be omitted.

It should be noted that in steps 62 and 85 which are the differences, it is judged whether or not the transmission is in reverse, and step 68
Then, it is determined whether or not the operation time has elapsed t seconds or more for changing the rotary operation drum 25 in the traveling direction selection operation device 9 from the D position to the R position, and in step 88, the transmission is set to reverse. .

When it is set to reverse at step 88, at the next step 89, the R indicator lamp 54 provided at the lower right corner of the front window 14 is blinked to mute the audio (step 90) and the voice alarm is "reverse". "Speak" (step 91) and return to step 2 in FIG.

As described above, when the transmission is in reverse R, the R indicator 54 provided on the front window 14 blinks together with the voice alarm, so that the driver recognizes that the vehicle is in reverse R. Even if you try to move forward by recognizing that it is a drive D, you can notice that the blinking R on the front front window 14 is visible (see Fig. 2) and that you are definitely in reverse R. it can.

Further, in this embodiment, when the transmission newly enters the drive D, the D indicator lamp 55 provided on the rear window 15 is blinked (step 57) together with the operation sound (step 56) for a predetermined time. Despite entering the drive D, when the driver mistakenly recognized it as a reverse R and tried to move backwards and looked backward, the blinking D on the rear window 15 was visible (see Fig. 12) and the drive D was entered. You can be sure to notice that. The D indicator 55 and the R
The indicator light 54 is in a position that does not obstruct the view.

When the transmission is in the R position (step 62) and when the engine is stopped (step 75), the electromagnetic solenoid 28 is turned off (step 74). 9 rotation operation drum
25 is released and it automatically returns to the N / P position. The transmission side is also automatically changed to neutral (step 25) or parking (step 21), and the ignition switch is turned on when the engine is restarted. Just enough.

Another embodiment will now be shown and described with reference to FIGS. 17 to 20. Select lever 93 that projects leftward from the steering column 91 that supports the steering wheel 90
Is located above the wiper operation lever 92 like the speed change lever 6 of the above-described embodiment, can swing up and down like the speed change lever 6, and can be shifted from the upper position downward to the up position D-up and the neutral position D-. There are three positions, neutral and shift down position D-down, and the neutral position D-force is always applied to drive in the neutral direction for automatic return drive.

Further, the select lever 93 can be swung backward and forward in addition to the vertical swing, and also has the same function as that of the traveling direction selecting operation device 9 of the above-mentioned embodiment. That is, as shown in FIGS. 18 and 20 (enlarged view of the vicinity of the base end portion of the select lever 93), the most forward position is the neutral position D-neutral, and the N / P position is at the position moved one step backward, There is an R position behind it.

The forward and backward movements of the select lever 93 are controlled in the same manner as the rotary operation drum 25 of the traveling direction selecting operation device 9 of the above embodiment, and the D-neutral and R positions can be held. -The above-mentioned shift-up and shift-down are possible with the neutral state being maintained. And D-neutral, R
The holding function at each position is released under a certain condition and automatically returns to the N / P position.

Therefore, under the same control as that of the above-mentioned embodiment, when the engine is stopped while the vehicle is running or stopped, the holding function is released and the gear position of the transmission is automatically set to neutral or parking. It is possible,
To restart the engine, simply turn on the ignition switch.

A modification of the embodiment is shown in FIG. In this modification, the R position of the select lever 95 is swung rearward from the N / P position and then lowered to a position slightly lower. Although it is easy to confirm when the select lever 95 is put in reverse, it is the same as the previous embodiment in that it is held only under certain conditions.

[0091]

According to the first aspect of the invention, since the transmission gear position is automatically changed to neutral or parking when the engine of the vehicle is stopped, it is only necessary to turn on the ignition switch to restart the engine. Good work is easy.

In the second aspect of the present invention, when the ignition switch is turned off, the transmission gear is automatically changed to parking, so that the ignition key can be immediately removed, which is convenient.

[Brief description of drawings]

FIG. 1 is a diagram showing a state in front of a driver's seat of a conventional automatic vehicle.

FIG. 2 is a diagram showing a state in front of a driver's seat of an automatic vehicle to which an operating device according to an embodiment of the present invention is applied.

FIG. 3 is a plan view of a front seat portion in which the roof of the automatic vehicle is cut away.

FIG. 4 is a side view of the steering portion.

FIG. 5 is a front view in which the steering wheel portion is partially cut away.

FIG. 6 is an exploded perspective view of a traveling direction selection operation device.

FIG. 7 is a plan view of the operating device.

8 is a sectional view taken along line VIII-VIII in FIG.

9 is a sectional view taken along line IX-IX in FIG.

10 is a partially cutaway X arrow view in FIG. 7. FIG.

FIG. 11 is a front view of a position indicator lamp.

FIG. 12 is a diagram showing a state behind the vehicle interior.

FIG. 13 is a system configuration diagram of a control system by the present operation device.

FIG. 14 is a flowchart showing a control procedure by a traveling direction selection operation device.

FIG. 15 is a continuation of the flowchart of FIG.

16 is a flowchart continued from FIGS. 14 and 15. FIG.

FIG. 17 is a front view in which a part of a steering wheel of an automatic vehicle having a select lever according to another embodiment is cut away.

FIG. 18 is a plan view of the same.

FIG. 19 is a side view of the same.

FIG. 20 is an enlarged view of the vicinity of the base end portion of the select lever.

FIG. 21 is an enlarged view of the vicinity of a base end portion of a select lever of another modified example.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Automatic vehicle, 2 ... Driver's seat, 3 ... Steering wheel, 4 ... Steering column, 5 ... Wiper operating lever, 6 ... Shift lever, 7 ... Door, 8 ... Support member, 9
… Direction of travel selector, 10… Instrument panel,
11 ... Position indicator, 12 ... Center console, 13 ...
Audio device, 14 ... Front window, 15 ... Rear window, 20 ... Screw, 21 ... Bracket, 22 ... Screw, 23 ... Base, 24 ... Axis, 25 ... Rotation operation drum, 26 ... Flange, 27
... Display valve, 28 ... Electromagnetic solenoid, 29 ... Support member,
30 ... Return spring, 31 ... Cap, 32 ... Detent member, 33 ... Stopper rubber, 34 ... Stopper plate, 35 ... Switching plate, 36 ... D erroneous operation determination switch, 37 ... Motor drive switch, 38 ... R erroneous operation determination switch, 39 … Motor drive switch, 40… Transparent display board, 41…
Operable position display valve, 42 ... Parking control cancel switch, 43 ... ON indicator light, 44 ... Door control cancel switch, 50 ... Display panel, 51 ... Fuel gauge, 52 ... Water temperature gauge, 53 ... Warning display, 54 ... R Indicator light, 55 ... D indicator light, 60 ...
ECU, 61 ... Ignition switch, 62 ... Switches for traveling direction selection operation device, 63 ... Gear change switch by gear shift lever, 64 ... Accelerator switch, 65 ... Brake switch,
66 ... Door switch, 67 ... Seating sensor, 68 ... Proximity sensor, 69 ... Fuel cap switch, 70 ... Engine rotation sensor, 71 ... Vehicle speed sensor with forward / backward movement judgment, 72 ... Motor position sensor, 75 ... Travel direction selection controller Display, 76
… Transmission drive motor, 77… Alarm / operation sound vocalization device, 78
… Speaker, 90… Steering wheel, 91… Steering column, 92… Wiper operating lever, 93… Select lever, 95… Select lever.

Continuation of front page (51) Int.Cl. ⁶ Identification code Office reference number FI technical display area // F16H 59:68 59:74

Claims (2)

[Claims] 1. An automatic vehicle in which an engine can be started when the gear position of the transmission is neutral or parking, a detection means for detecting engine stop, and an in-gear state in which the gear position of the transmission is other than neutral or parking. 2. A transmission gear control device for an automatic vehicle, comprising: gear changing means for changing the gear position to neutral or parking when the detection means detects that the engine has stopped. 2. An automatic vehicle in which the ignition key can be removed only when the gear position of the transmission is in the parking position, the detecting means for detecting that the ignition switch is off, and the detecting means A transmission gear control device for an automatic vehicle, comprising: a gear changing unit that changes a gear position to parking when it is detected that the gear is turned off.