KR200407700Y1 - Auto cruise device of car - Google Patents

Abstract

The present invention maintains the constant speed function even if the driver operates the brake and clutch accelerator pedals in the constant speed operation state, eliminating the inconvenience of having to press the resume switch or set switch even when accelerating again, and at the highest gear speed for a few seconds. When driving in the rotation, the constant speed driving is automatically performed, and in this state, the vehicle provides a constant speed driving device that enables acceleration and deceleration. Specific means of the present invention for achieving the above object, in the apparatus for maintaining the vehicle speed at a constant speed by adjusting the opening amount of the engine throttle body side throttle valve of the vehicle, one end is connected to the throttle valve and accelerated in the middle An auxiliary acceleration cable having a switch dog for sensing; A speed control motor for pulling the other end of the auxiliary acceleration cable; An actuator for moving the position of the speed control motor; A solenoid valve connected to the pneumatic operation line of the actuator to determine the operation direction of the actuator; It is electrically connected to the solenoid valve, it is achieved by including an acceleration detection cruise control unit for switching the solenoid valve to obtain a constant speed when the highest gear stage and the engine speed is maintained at 2,000 ~ 3,000rpm for several seconds.

Vehicle, Constant Speed Driving, Cruise, Throttle Body, Acceleration / Deceleration Switch, Auxiliary Acceleration Cable

Description

Vehicle cruise control {Auto cruise device of car}

The following drawings, which are attached in this specification, illustrate the preferred embodiments of the present invention, and together with the detailed description of the present invention, which serves to further understand the technical spirit of the present invention, the present invention is a matter described in such drawings. It should not be construed as limited to.

1 is a block diagram of a vehicle constant speed traveling apparatus according to an embodiment of the present invention,

(A) is the lowest engine RPM in the close control off state, and the speed control part of the speed control motor is the highest state.

(B) is the middle of the engine RPM in the close control off state, the speed control portion of the speed control motor is in the middle state,

(C) is the highest engine RPM in the close control off state, the speed control portion of the speed control motor is the lowest state,

(D) is a state in which the speed control part of the speed control motor is pulling the auxiliary cable at the minimum RPM in the close control off state.

2 is a configuration diagram of a vehicle constant speed traveling device according to an embodiment of the present invention,

(E) is the state in which the speed control part of the speed control motor is pulling the auxiliary cable at high RPM while the cross control is on.

(F) is the state that the speed control part of the speed control motor is pulling the auxiliary cable at high RPM by the operation of the horizontal sensing switch in the close control on state.

3 is a flowchart for controlling a vehicle constant speed traveling device according to the present invention.

<Explanation of symbols for main parts of the drawings>

100: auxiliary acceleration cable

110: speed control motor

120: actuator

130,320: solenoid valve

140: cruise control unit

310: tilt detection sensor

330: auxiliary actuator

The present invention relates to a vehicle constant speed traveling device, and more particularly to a constant speed driving is made automatically when driving at high speed in the highest gear stage for a few seconds, and relates to a vehicle constant speed traveling device to enable acceleration and deceleration even in this state.

The vehicle's constant speed driving device is set to the proper speed in the desired section for the purpose of reducing driver's fatigue, comfortable driving and fuel saving in long-time driving such as high speed road, and the speed continues even without stepping on the accelerator pedal. It is a device that keeps running.

However, in the case of the electric constant speed drive system, the electric motor of the actuator is controlled by the computer, and the vehicle speed is set by the set switch. Then, when the driver operates the brake and clutch accelerator pedals in the constant driving state, the constant speed function is turned off, and it is inconvenient to press the resume switch or the set switch to accelerate again.

In addition, even if the accelerator pedal is released after the additional acceleration, the constant speed function is turned off, and it is inconvenient to press the resume switch or the set switch again.

Accordingly, the present invention is to solve the problems of the prior art as described above, even if the driver operates the brake and clutch accelerator pedal in the constant speed operation, the constant speed function is maintained as it is to resume the resume (resume) switch or set switch even during acceleration The purpose is to provide a vehicle constant speed driving device that is capable of accelerating and decelerating automatically when driving at high speed at the highest gear stage for a few seconds and eliminating the inconvenience of pressing.

Specific means of the present invention for achieving the above object,

In the apparatus for maintaining the vehicle speed at a constant speed by adjusting the opening amount of the throttle valve on the engine throttle body side of the vehicle,

An auxiliary acceleration cable having one end connected to the throttle valve and having an acceleration sensing switch dog in the middle thereof;

A speed control motor for pulling the other end of the auxiliary acceleration cable;

An actuator for moving the position of the speed control motor;

A solenoid valve connected to the pneumatic operation line of the actuator to determine the operation direction of the actuator;

It is electrically connected to the solenoid valve, it is achieved by including an acceleration detection cruise control unit for switching the solenoid valve to obtain a constant speed when the highest gear stage and the engine speed is maintained at 2,000 ~ 3,000rpm for several seconds.

In addition, according to the present invention, the inclination detection sensor for detecting the inclination of driving more than a set angle when the vehicle is traveling;

A solenoid valve electrically connected to the inclination detection sensor to open / close the pneumatic pressure;

It is connected to the solenoid valve, characterized in that it further comprises an auxiliary actuator for moving the position of the speed control motor when the detection signal of the inclination detection sensor is generated.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The present invention can be applied to a vehicle that obtains acceleration by adjusting the opening amount of the throttle valve of the fuel injection device through a cable when the accelerator pedal is stepped as is well known.

1 and 2, the cruise control on / off switch 10, the acceleration / deceleration switch 12, and the highest gear stage switch 14 installed in the vehicle shift gear lever (D for auto, D for stick, etc.) are installed inside the vehicle. It is operated when it is selected in the number of stages) and the horizontal sensor 16 is installed in the engine room.

These switches 10, 12, 14 and the sensor 16 are electrically connected to the cruise control unit 140.

In addition, the present invention is provided with an auxiliary acceleration cable 100 as shown in Figures 1 and 2, one end of the auxiliary acceleration cable 100 is connected to the throttle valve (not shown) side of the throttle body 200 of the engine 300 And the other end thereof is connected to the speed control part through the cross control case 50.

In addition, the auxiliary acceleration cable 100 is provided with an acceleration sensing switch dog 102 in the middle thereof, and the acceleration sensing switch dog 102 turns on / off the acceleration sensing switch 104 according to the moving position. have.

In addition, the present invention is provided with a motor 110 for speed control for pulling the other end of the auxiliary acceleration cable (100). At this time, the speed control motor 110 pulls the report acceleration cable 100 according to the operation of the acceleration / deceleration switch 12, and thus the acceleration / deceleration adjustment is possible during the constant speed.

An actuator 120 for moving the position of the speed control motor 110 is provided. The actuator 120 may be configured of a vacuum chamber or an air cylinder, and an operating end of the actuator 120 is connected to the speed control motor 110.

The solenoid valve 130 is connected to the pneumatic operation line of the actuator 120, and the solenoid valve 130 is electrically connected to the cruise control unit 140. Therefore, when the cruise control on / off switch 10 is turned on, the solenoid valve 130 connected to the pneumatic source 132 is opened and the actuator 120 is operated to pull the speed control motor 110, the speed control motor ( 110 is a constant speed driving is possible by setting the opening amount of the throttle valve side by pulling the auxiliary acceleration cable 100 a certain amount.

On the other hand, the present invention is electrically connected to the solenoid valve 130, when the maximum gear stage and the engine speed is maintained at 2,000 ~ 3,000 rpm for several seconds, the acceleration sensing cruise to achieve a constant speed by switching the solenoid valve 130 The control unit 140 is provided.

In this embodiment, the solenoid valve 130 is switched when the engine speed is maintained at 2,000 to 3,000 rpm for 5 seconds.

The operation of this embodiment configured as described above will be described.

(A), (B), and (C) of FIG. 1 all show the same position of the speed control motor 110 in the state of close control off, and (A) shows the speed in the lowest engine speed state. The position of the control motor 110 is shown to indicate the state in which the acceleration sensing switch 104 is turned off, (B) is for the acceleration detection at the highest engine speed, and (C) is for the highest engine speed. The switch 104 is in an on state.

As described above, in the state where the cruise control switch 10 is turned off, the acceleration control switch 110 is turned on / off in accordance with the engine rotation speed at the same position.

As described above, the time when the highest gear stage (for example, D position in the case of auto) is selected while the vehicle is driving (S10) in the state where the acceleration sensing switch 104 is turned on (S10) as shown in FIGS. When the engine control speed is 5 seconds or more and the engine speed is 2,000 to 3,000 RPM (S11), when the cross control switch 10 is turned on (S10), the acceleration detection cross control unit 140 operates (S12).

Therefore, the air and vacuum solenoid valve 130 connected to the acceleration control cross control unit 140 is opened (S13) and the operating stage of the vacuum and air cylinder 120 is operated (S14) to operate the speed control motor 110 of FIG. As shown in (D) (S15) and from this time constant speed running is possible (S16).

That is, as shown in FIG. 2E, the speed control motor 110 pulls the auxiliary acceleration cable 100 to perform constant speed driving.

As such, during the constant speed driving, the degree of pulling the auxiliary acceleration cable 100 by the speed control motor 110 is adjusted by the operation of the acceleration / deceleration switch 12 in the room (S17) to adjust the traveling speed. That is, when the acceleration / deceleration switch 12 is switched to the acceleration position, vehicle acceleration is performed (S18), and when the acceleration / deceleration switch 12 is switched to the deceleration position (S19).

In addition, the present invention is capable of further acceleration even when the vehicle is stepped on the accelerator pedal during the constant speed driving in the close control On (On) state, and if the accelerator pedal is released, the vehicle is maintained in the constant speed driving state.

On the other hand, the present invention is installed in the engine room 300, the inclination detection sensor 310 for detecting the inclination of driving more than the set angle during the driving of the vehicle, electrically connected to the inclination detection sensor 310 to open and close the pneumatic The auxiliary actuator 330 connected to the solenoid valve 320 and the solenoid valve 320 to move the position of the speed control motor 110 when a detection signal of the inclination detecting sensor 310 is generated. It may be configured to include more.

In addition, in a vehicle without an acceleration cable, the auxiliary cable may be connected to the accelerator pedal to operate the auxiliary cable.

In this embodiment, the auxiliary actuator 330 is composed of an auxiliary vacuum and an air cylinder.

In this case, the solenoid valve 320 is opened by the detection signal of the inclination detection sensor 310 when the vehicle is driving on the inclined road, and the auxiliary actuator 330 further pulls the speed control motor 110 as shown in FIG. Further acceleration is achieved.

As described above, although the present invention has been described by way of limited embodiments and drawings, the present invention is not limited thereto, and the technical idea and the following of the present invention are provided by those skilled in the art to which the present invention pertains. Of course, various modifications and variations are possible within the scope of equivalents of the claims to be described.

As described above, according to the vehicle constant speed traveling device of the present invention, additional acceleration is possible during constant driving in the close control on state, and the acceleration pedal is released when the acceleration pedal is released after the additional acceleration, and all functions are operated when operating the clutch and brake. Is off, and the engine can run at high speed when the engine is rotating at high speed in the highest gear stage.

Therefore, the driver's long-distance driving is comfortable and fuel can be saved compared to other vehicles, and the driver's fatigue is reduced because the driver can see and drive ahead at night.

Moreover, since the present invention operates mechanically, it can be applied to general passenger cars, vans, as well as large vans and buses.

Claims (2)

In the apparatus for maintaining the vehicle speed at a constant speed by adjusting the opening amount of the throttle valve on the engine throttle body side of the vehicle, An auxiliary acceleration cable 100 having one end connected to the throttle valve and having an acceleration sensing switch dog 102 in the middle thereof; A speed control motor (110) for pulling the other end of the auxiliary acceleration cable (100); An actuator (120) for moving the position of the speed control motor (110); A solenoid valve 130 connected to the pneumatic operation line of the actuator 120 to determine an operation direction of the actuator 120; Accelerated detection cruise control unit 140 is electrically connected to the solenoid valve 130, the switching speed of the solenoid valve 130 to obtain a constant speed when the highest gear stage and the engine speed is maintained at 2,000 ~ 3,000 rpm for several seconds Vehicle constant speed driving device comprising a. The method of claim 1, An inclination detection sensor 310 for detecting an inclination of the vehicle having a predetermined angle or more during driving of the vehicle; A solenoid valve 320 electrically connected to the inclination detecting sensor 310 to open / close the pneumatic pressure; Vehicle further comprises an auxiliary actuator 330 connected to the solenoid valve 320 to move the position of the speed control motor 110 when the detection signal of the inclination detection sensor 310 is generated. Cruise control.

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