JP3216517B2 - Transmission operation device for transmission - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the operability in a speed change operating device by arranging an up-shift switch on the opposite side to a selecting lever installation side in a steering wheel. SOLUTION: The speed change operating device is provided with a selecting lever 1, which is arranged beside a driver so as to be operated for an up/down shift operation by means of a right/left hand of the driver, a down-shift switch 3b, which is arranged in a steering wheel 3 in the vicinity of a steering wheel gripping position gripped in straight advance traveling and arranged on the same side on which the selecting lever 1 is arranged, and an up-shift switch 3a, which is arranged on the opposite side to the selecting lever installation side.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shift operation device for a vehicle provided with a semi-automatic transmission for controlling a transmission to a gear ratio desired by a driver by an electric means such as a switch.

[0002]

2. Description of the Related Art As an example in which a speed change operation device is provided on a steering wheel, for example, ALPINAB 3-3.
0, B6-2.8 (Car graphic January 1994 issue 1
39). FIG. 6 is a diagram showing an example of such a conventional shift operation device of a semi-automatic transmission. In this example, a case of a left-hand drive vehicle will be described. In FIG. 6B, reference numeral 1 denotes a selector lever provided on the center console. 1a is P, R, N, D found in a selector of a normal automatic transmission,
It is a selector row with a low range for emblem.
Although it does not exist in the prior art cited above, it is also possible to provide an up / down train for selecting a gear ratio as shown in 1b, that is, from D (drive) to M (drive).
Tilt the selector lever 1 to the (manual) side,
When the lever 1 is pushed to the side, the gear ratio is shifted up by a predetermined gear ratio, and D
When the lever 1 is pushed toward the OWN side, a predetermined gear ratio is downshifted. Note that lever 1 is
Automatically returns to the position. In FIG. 6A, reference numeral 2 denotes a steering wheel provided with a gear ratio selection SW. Reference numeral 2a denotes an upshift switch which, when pressed once, shifts up a predetermined gear ratio. Reference numeral 2b denotes a switch for downshifting, and when pressed once, downshifts a predetermined gear ratio. Each of the switches 2a and 2b (second gear ratio selecting means) is an automatic reset.

[0003]

When a gearshift operation is performed by the select lever 1 on the center console, the driver's hand on the select lever 1 side (usually the left side of a right-hand drive vehicle and the normally right side of a left-hand drive vehicle) may be in some cases. Due to the need to perform the shifting operation, the steering wheel 2
In most cases, the operator mainly operates the hands on the outside of the vehicle (usually on the right side of a right-hand drive vehicle, usually on the left side of a left-hand drive vehicle). Normally, in cornering accompanied by a shift operation (especially when it is necessary to change the steering, the same applies hereinafter), the operation is performed by (1) the steering wheel 2 traveling straight,
(2) Release the hand on the select lever 1 side and perform the downshift operation. (3) (or simultaneously) the steering wheel 2
(4) Return of the steering wheel 2 to re-acceleration; (5) Shift-up operation by releasing the hand on the select lever 1 side. Here, in order to smoothly perform the shift-up operations of (4) and (5), it is desirable that the hand on the outside of the vehicle first grasps the grip position of the steering wheel 2 during straight running.

[0004] Each switch 2 referred to in the present invention.
a, 2b (second gear ratio selecting means) in the case of a cornering operation, the operation is (1) the steering wheel 2 going straight, (2) the downshift switch 2b is operated to downshift, ( 3) (or simultaneously) cutting of the steering wheel 2; (4) returning to the steering wheel 2 to re-acceleration; and (5) upshifting by operating the upshift switch 2a. In this case, in order to smoothly perform the shift-up operations (4) and (5), the hand on which the upshift switch 2a is provided first grasps the gripping position of the steering wheel 2 during straight running. Is desirable.

However, the conventional shift operation device has a structure in which an upshift switch 2a is arranged on the steering wheel 2 at a position on the select lever 1 side from the driver. Therefore, in the last stage of cornering, when the steering return-re-acceleration and shift-up operations are performed by the selector lever 1 on the conventional center console and by the up-shift switch 2a on the steering wheel 2, the former is the former. In the case of a shift-up operation, the hand on the outside of the vehicle (the hand on the opposite side to the select lever 1; the left hand in a left-hand drive vehicle, the right hand in a right-hand drive vehicle) first holds the grip position during straight running. In the case of the latter shift-up operation, the hand on the select lever 1 side (on the side of the upshift switch 2a) (the right hand in a left-hand drive vehicle, the left hand in a right-hand drive vehicle) is the grip position when traveling straight ahead first. It is desirable to hold. For this reason, it is necessary to change the returning operation of the steering wheel 2 depending on the selected operating device (either by the selector lever 1 or the upshift switch 2a on the steering wheel 2), which makes it difficult for the driver to learn. There is a problem that there is.

The same problem can occur in the downshifting operations (1) and (2). In this case, it is desirable to dispose the downshifting switch 2b on the side opposite to the select lever 1, but the cornering is performed. The downshift as the preliminary operation is normally performed from a state where the steering wheel 2 is in a straight running state, and does not cause a serious problem as much as affecting the steering operation.

[0007]

In order to solve the above-mentioned conventional problems, according to the present invention, an upshift and a downshift are arranged by a driver's right or left hand. A first gear ratio selecting means for performing an operation, and a second gear ratio in which one downshift switch and one upshift switch are arranged on the steering wheel near a steering wheel grip position during straight running. In the speed change operation device for a transmission provided with a ratio selection means, the second speed ratio selection means arranges a downshift switch toward a driver on a side where the first speed ratio selection means is installed. Then, an upshift switch is arranged on the side where the first gear ratio selection means is not provided with the center of the steering wheel interposed therebetween.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The configuration of a continuously variable transmission control system according to the present invention will be described with reference to FIG. Engine 100
Is transmitted to the continuously variable transmission mechanism 4 via the fluid coupling 200 with the direct coupling clutch and the forward / reverse switching device 300. The continuously variable transmission mechanism 4 includes an input shaft rotation sensor 41 and an output shaft rotation sensor 42.

The fluid coupling 200 with the direct coupling clutch, the forward / reverse switching device 300, and the continuously variable transmission mechanism 4 are controlled by a hydraulic control device 5, respectively. The fluid coupling 200 with the direct coupling clutch is provided with a lock-up duty solenoid 51.
The forward / reverse switching device 300 is controlled by switching an oil passage (not shown) inside the hydraulic control device 5 by the select lever 1, and the continuously variable transmission mechanism 4 is controlled by a step motor. The gear ratio is controlled by a gear ratio hydraulic servo 43 configured to determine the gear ratio in accordance with the rotation angle of 53. These hydraulic oils are supplied by an oil pump 6 driven by the engine 100. The pressure of the hydraulic oil is controlled by the line pressure duty solenoid 52 without excess or deficiency. In addition, the hydraulic control device 5 includes a low switch 54 that detects that the step motor 53 is at the position of the maximum gear ratio, and an oil temperature sensor 55 that detects the temperature of the hydraulic oil.
Is attached. A selector switch 61 for detecting a selected position is attached to a linkage connecting the select lever 1 and the continuously variable transmission mechanism 4.

The electronic control unit 7 is supplied from two power sources, a Vign power source 9 that is energized when the key switch is turned on, and a Vbatt power source 10 that is energized even when the key switch is turned off.

In addition to the input shaft rotation sensor 41, the output shaft rotation sensor 42, the selector switch 61, the low switch 54, and the oil temperature sensor 55, the brake switch 12 mounted on the vehicle side is used as an input signal. , Power S
W13, an engine rotation signal 81, a throttle opening signal 82, and speed ratio selection operation SWs 3a and 3b input from the engine electronic control unit 8 are connected.

Next, the hardware of the electronic control unit according to the present invention will be described with reference to FIG. Reference numeral 71 denotes a central processing unit (CPU) for performing various calculations and determinations.
72 is a power supply device. A function of making the power supply of the vehicle constant voltage and supplying it to each unit in the control device, a function of setting the system when the Vign power supply 9 is turned on from OFF, and a function of monitoring the state of the CPU 71 and appropriately resetting. It has a function of applying power and a function of supplying power so that the contents of the RAM 73 are retained when the power supply 9 is off. 73 is a RAM. This is a rewritable memory used to temporarily store the results of calculations and judgments. 74 is a ROM. CP
This is a non-rewritable non-volatile memory in which a control program of U71, a data table for the control program, and the like are stored. 75 is a digital I / O
It is. According to the instruction of the CPU 71, the step motor 5
3 is a unit for driving the motor. 76 is a timer output unit. A unit for duty-driving the pilot duty solenoid 52 and the lock-up duty solenoid 51 in accordance with instructions from the CPU 71.
Reference numeral 77 denotes an A / D converter. This is a unit for digitizing analog voltage signals of the oil temperature sensor 55 and the throttle opening 82. 78 is a timer measurement unit. This unit measures and digitizes the period of the pulse signal of the engine rotation signal 81, the input rotation sensor 41, and the output rotation sensor 42. 79 is a digital I / O. Low switch 54, power switch 13, brake switch 1
2, selector switch 61, speed ratio selection operation SW3
This is a unit for converting each digital input of a and 3b into a TTL level.

FIG. 1 is a diagram showing an embodiment of the present invention. In FIG. 1A, reference numeral 3 denotes a steering wheel. 3a is an upshift switch, and 3b is a downshift switch. The difference from the prior art in FIG. 6 is that the arrangement of the upshift switch 3a and the downshift switch 3b provided on the steering wheel 3 is reversed.

FIG. 4 is a general flowchart showing the control contents of the transmission control device according to the present invention. Step (4-1) is a control variable input section. M-SW indicating that the manual mode included in the selector switch 61 is selected, UP-SW for selecting a gear ratio,
DOWN-SW and upshift switch 3a,
In addition to the signal from the downshift switch 3b, variables necessary for controlling the automatic transmission, such as the vehicle speed, the throttle opening, and the engine state, are input.

The UP-SW and DOWN-SW for selecting a gear ratio included in the selector switch 61 are 3a and 3b, respectively.
And the result is ORed and stored as the state of UP-SW and DOWN-SW.

In step (4-2), it is determined whether or not the mode is the manual mode. If the M-SW is on, the manual mode is set, and the shift control in the manual mode is performed in step (4-4). If the M-SW is off, the automatic mode is set, and the shift control in the automatic mode is performed in step (4-3).

Step (4-3) is a shift control in the automatic mode. The target gear ratio GP is set based on information such as the vehicle speed and the throttle opening. Also, the current gear ratio is constantly monitored and stored under a variable name of CURGP. The shift control in the automatic mode is the same as that of a generally known automatic transmission.

In step (4-4), a shift control in the manual mode is performed. The target gear ratio GP is set based on the states of the M-SW, UP-SW, and DOWN-SW included in the select switch 61, the upshift switch 3a, and the downshift switch 3b. The shift control in the manual mode will be described later with reference to FIG.

In step (4-5), other controls required for the transmission, such as lock-up and shifting transient control, are performed.

Step (4-6) is a portion for issuing a control command to the actuator according to each control output.

FIG. 5 is a detail flowchart showing the processing contents of the semi-automatic shift. In step (5-1), the M-SW of the select switch 61 (manual S
W) or each of the shift switches 3a, 3b is turned off.
It is determined whether or not the state has transitioned from on to off. If the transition is from off to on, in step (5-2), the speed ratio CURGP at that time is set as the target speed ratio GP, and step (5-3) Go to the process of ()).

In step (5-1), from off to o
If it is not a transition to n, in step (5-3), U
It is determined whether the P-SW has transitioned from off to on. If the P-SW has transitioned from off to on, step (5-
In 4), one step is added to the target speed ratio GP, and the process proceeds to step (5-5).

In step (5-3), from off to o
If it is not a transition to n, in step (5-5), D
It is determined whether or not the own-SW has transitioned from off to on, and if it has transitioned from off to on, step (5)
In -6), the target gear ratio GP is subtracted by one step.

[0024]

As described above, according to the transmission operating device of the transmission according to the present invention, the structure of the selector lever is operated by the driver with one hand, the right and left switches for upshift and the downshift are provided. The switch for the upshift is arranged and the switch for the upshift is installed on the side opposite to the selector lever, so that the driver can easily get used to the shift operation.

[Brief description of the drawings]

FIG. 1 is a diagram showing a speed change operation device according to an embodiment of the present invention.

FIG. 2 is a diagram showing a configuration of a continuously variable transmission control system.

FIG. 3 is a diagram showing hardware of the electronic control device.

FIG. 4 is a general flowchart of the transmission control device according to the embodiment of the present invention.

FIG. 5 is a detail flowchart of a semi-automatic transmission portion according to the embodiment of the present invention.

FIG. 6 is a view showing a shift operation device according to a conventional example.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Select lever (first gear ratio selecting means) 3 Steering wheel 3a Upshift switch (second gear ratio selecting means) 3b Downshift switch (second gear ratio selecting means)

Claims (1)

(57) [Claims] 1. A first gear ratio selecting means which is arranged near a driver to perform an upshift and a downshift operation with one of a right hand and a left hand of the driver, and straight ahead on a steering wheel. A speed change operation device for a transmission, comprising a second speed ratio selecting means in which one downshift switch and one upshift switch are disposed near a steering wheel grip position during traveling, The ratio selection means is provided with a switch for downshifting on a side where the first speed ratio selection means is installed, facing the driver, and the first speed ratio selection means is provided with the center of the steering wheel interposed therebetween. A shift operation device for a transmission, wherein an upshift switch is disposed on a side where no shift is performed.