JPS63223339A - Throttle control device - Google Patents

Abstract

PURPOSE:To improve responsiveness and controllability, by constituting so that, at the time of steady running, the opening of a throttle valve is controlled in response to the stepping-in amount of an accelerator and that, at the time of traction control, the opening is controlled by a control motor, and further that, at the time of constant speed running, the stroke control of a driving wire can be carried out. CONSTITUTION:An acceleration pedal 1 is connected to a throttle pulley 15 via an accelerator link 2 and a driving wire 4, and on one end of the output ends of this pulley 15, a throttle valve 16 is connected. In the course of the driving wire 4, an accelerator pulley 5 is interposed, and on one end of the pulley shaft of this pulley 5 a driving motor 7 is connected via a clutch 6. Further, in the course of the driving wire 4, an adjusting pulley 9 is interposed, and to the pulley shaft of this pulley 9 an adjusting rod 11 is connected. On the adjusting rod 11 a rack gear teeth 13 are formed, and with this rack gear 13 a pinion gear 13 provided on the output shaft of a control motor 12 is engaged. Further, on the respective pulley shafts of pulleys 5, 15, an accelerator opening sensor 8 and a throttle valve opening sensor 18 are provided.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention provides a throttle control system that has an accelerator operation system, a throttle operation system, and a motor drive system, and that can be switched to a constant speed cruise control system and a traction control system. It is related to the device.

[Conventional technology]

Traction control in conventional vehicle start control includes, for example, (1) the driver operating the accelerator pedal to the return side when slipping occurs;

(2) Control the throttle valve to the throttle side using a constant speed traveling device or the like.

(3) Anti-skid brake control performs tire slip suppression control.

By the way, in order to smoothly control the start of a vehicle, it is preferable that the throttle aperture control and the brake slip suppression control be performed in conjunction.

[Problem that the invention seeks to solve]

However, conventionally, throttle aperture control and brake slip suppression control have been performed individually.

The present invention has been made in order to solve such problems, and an object thereof is to obtain a throttle control device that can sequentially switch control between normal running, traction control, and constant speed running control with a simple configuration. .

[Means for solving problems]

A throttle control device according to the present invention includes a throttle pulley that controls the opening of a throttle valve, a drive wire that drives the throttle pulley according to the amount of depression of an accelerator pedal, and an accelerator pulley that is interposed in the drive wire. , a drive motor connected to the accelerator pulley, an adjustment pulley interposed on a drive wire between the accelerator pulley and the throttle pulley 15, and an adjustment means connected to the pulley shaft of the adjustment pulley for vertically moving the adjustment pulley. It has been established.

[Function] In this invention, during normal running control, the throttle pulley is driven by the drive wire according to the amount of depression of the accelerator pedal to control the opening of the throttle valve, and during traction control, when slip is detected, The adjustment means moves the adjustment pulley up and down to control the stroke of the drive wire, the throttle pulley controls the opening of the throttle valve, and during constant speed driving control, the accelerator pulley controls the stroke of the drive wire in proportion to the vehicle speed deviation. When the vehicle speed deviation becomes zero, the opening of the throttle valve is maintained and constant speed driving is set.

〔Example〕

Hereinafter, specific embodiments of the throttle control device of the present invention will be described with reference to the drawings. The figure is a diagram showing the configuration of one embodiment. 1 in the figure is an accelerator pedal, and an accelerator link 2 is connected to this accelerator pedal 1.

One end of an accelerator return spring 3 is connected to the accelerator link 2, so that the accelerator link 2 is normally biased to an initial position.

The other end of the accelerator return spring 3 is fixed to a fixed end.

Further, the front end of the drive wire 4 is connected to the accelerator ring 2, and the rear end of the drive wire 4 is connected to the throttle pulley 15. This throttle pulley 15
A throttle valve 16 is connected to one output end of the
A throttle opening sensor 18 is coupled to the other end of this output shaft.

As a result, the throttle valve 16 is driven by the throttle pulley 15, and the opening degree of the throttle valve 16 is detected by the throttle opening sensor 18. located in the intake pipe.

Furthermore, one end of a throttle valve return spring 17 is coupled to the output shaft of the throttle pulley 15. This throttle valve return spring 17 normally positions the throttle valve 16 in the closed position.

An accelerator pulley 5 is interposed on the drive wire 4. A clutch 6 is connected to one end of the pulley shaft of this accelerator pulley 5.
A drive motor 7 is connected via. An accelerator opening sensor 8 is connected to the other end of the pulley shaft.

Further, an adjustment pulley 9 is interposed on the drive wire 4. This adjustment pulley 9 is located between the accelerator pulley 5 and the throttle pulley 15, and an adjustment rod 11 is coupled to the pulley shaft of this adjustment pulley 9.

A rack gear 13 is formed on this adjustment rod 11 at t. A pinion gear 14 meshes with the rack gear 13. This pinion gear 14 is formed on the output shaft of the control motor 12.

A pulley return spring 10 is coupled to the other end of the pulley shaft of the adjustment pulley 9. Otsu's pulley return spring 10
Therefore, the adjustment pulley 9 is always positioned at the initial position. The other end of this pulley return spring 10 is fixed to a fixed end.

Next, an example of the operation of the device of the present invention will be explained.

(1) Initial state In the initial state (when the power is off), the accelerator link 2 is connected to the initial position sensor 8 by the accelerator return spring 3.

Further, an adjustment pulley 9 is interposed on the drive wire 4. This adjustment pulley 9 is located between the accelerator pulley 5 and the throttle pulley 15, and an adjustment rod 11 is coupled to the pulley shaft of this adjustment pulley 9.

A rack gear 13 is formed on this adjustment rod 11. A pinion gear 14 meshes with the rack gear 13. This pinion gear 14 is formed on the output shaft of the control motor 12.

A pulley return spring 10 is coupled to the other end of the pulley shaft of the adjustment pulley 9. Pulley return spring 10 with
Therefore, the adjustment pulley 9 is always positioned at the initial position. The other end of this pulley return spring 10 is fixed to a fixed end.

Next, an example of the operation of the device of the present invention will be explained.

(1) Initial state In the initial state (when the power is off), the arc cell link 2 is initially positioned by the accelerator return spring 3, and the stroke of the drive wire 4 is extended, so the throttle valve opening is returned to its original position. ). When the slip detection operation is stopped, the adjustment pulley 9 is moved downward and the stroke of the drive wire 4 is returned to its original position, so that the throttle opening is also returned to its original opening and the traction control is completed.

Output S of the throttle opening sensor 18 (S2) in this case
2 is at the start of traction 52=So...
(1) 1. During traction control 521-8o-ΔS
... (2) At the end of traction 522=So
... (3) However, S. :Initial thrower 1
- Le opening degree ΔS: Control stroke angle.

(4) Constant speed running control In the constant speed running state, the drive motor 7 and clutch 6 are turned on, and the stroke control of the drive wire 4 is performed in proportion to the vehicle speed deviation, so that the time point when the vehicle speed deviation becomes zero The throttle opening is maintained and the vehicle is set to constant speed driving.

In this case, the accelerator opening sensor 8 (S, ) and the throttle opening sensor 18 (S2) are activated at the start of constant speed driving.
, =S2=So... (4)
During constant speed driving control Sl 1-321-5°±ΔS...
... (5) End of constant speed driving Sl. -822-8
o, ... (6) However, So: Target opening S01' is under control opening.

〔Effect of the invention〕

As explained above, the invention of Party B controls the opening of the throttle valve with the throttle pulley according to the amount of depression of the accelerator pedal during steady running control, and controls the opening of the throttle valve with the throttle pulley via the adjustment pulley with the control motor during traction control. The opening of the motor is controlled, and the stroke of the drive wire is also controlled in proportion to the vehicle speed deviation during constant speed driving control, so it is possible to sequentially switch between normal driving, traction control, and constant speed driving control with a simple configuration. Control becomes possible.

[Brief explanation of drawings]

The figure shows the configuration of an embodiment of the throttle side device of the present invention. 1...Accelerator pedal, 2...Accelerator link, 3
... Accelerator return spring, 4. Drive wire, 5.
・Accelerator pulley, 6...Clutch, 7...Drive motor, 9...Adjustment pulley, 11...Adjustment rod, 12
... Control motor, 13... Rack gear, 14...
Pinion gear, 15...Thrower 1-le pulley, 16°
throttle valve.

Claims (1)

[Claims] a throttle pulley that rotates together with an accelerator pulley that is rotated by a drive wire according to the amount of depression of the accelerator pedal to control the opening of the throttle valve; an adjustment pulley that is interposed on the drive wire between the accelerator pulley and the throttle; Adjustment means for adjusting the rotation angle of the throttle pulley by rotating the adjustment pulley by a control motor driven when a slip is detected; and adjustment means for adjusting the rotation angle of the throttle pulley when driven during constant speed driving via the accelerator pulley and adjustment pulley. A throttle control device comprising a drive motor that changes the throttle opening in proportion to the vehicle speed deviation and maintains the throttle opening when the vehicle speed deviation becomes zero.