KR100431970B1 - Rear Wiper Operation Method of Vehicle - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of operating a rear wiper of a vehicle. In particular, the rear wiper switch outputs a relay " off " signal after about 3 seconds when the " on " "On" outputs the rear wiper relay "on" signal, and at the time of the rear intermittent operation switch "on" immediately after the wiper relay "on" signal output, the front wiper automatic switch "off" at the internal time interval value set Control the wiper accordingly, and output the "on" signal to the rain sensor low-speed relay when the front wiper automatic switch "on", and output the "on" signal of the rear wiper once when the front wiper is operated twice, and the front wiper automatic switch "on" & Rear sensor low-speed relay continuous output "on" when the rear wiper interval is fixed to 1 second, front wiper automatic switch "on" & rain sensor high-speed relay continuous output "on" rear By keeping the wiper on, it is possible to improve the safety (rear view) by improving the function of the rear wiper, increase the operability and convenience of the driver, as well as rear wiper performance and The company has secured a competitive edge by improving its merchandise.

Description

Rear Wiper Operation Method of Vehicle

The present invention relates to a method of operating a rear wiper of a vehicle, and more particularly, to improve the function of the rear wiper to improve the safety as well as to increase the operability and convenience of the driver, as well as to improve the performance and merchandise. It is invented to be secured.

Generally, a wiper is a general term for wiping snow, rain, or muddy water on the rear windows, side windows, side mirrors, headlamps, etc., starting with the front and rear windshields of a car.

In general, in the front wiper system, in the case of the washer interlocking wiper which is currently applied to the front wiper and the shield wiper system, the wiper is configured to stop after 2-3 more operations after the washer liquid injection is finished.

On the other hand, RV vehicles currently on the market are equipped with a rear wiper as standard, but in the case of the applied rear wiper system, it has a washer interlock wiper and an intermittent operation (INT.) Wiper function. It can be operated only by, and the system that automatically controls the wiper speed according to the amount of rain water by rain sensor (raindrop sensor) mounted on the front windshield, such as the front wiper system is not applied.

As such, in the case of rear wiper systems currently applied to RV vehicles or H / B (5-door) vehicles, the intermittent wiper is a wiper with a fixed resistance value regardless of the amount of rainwater or when the driver manually activates the operation switch. Is operated at a constant speed, so if the first rain falls a lot (i.e. heavy rain), the driver's rear clock dims and affects safe driving, and the second rain falls very little (i.e. low rain). Since the wiper operation switch must be manually operated, it affects the safe operation and if the automatic switch is operated continuously in a small amount of rain, the wiper blade may be prematurely worn or the durability may be degraded. There is no automatic wiper speed control function using the sensor. But there is a problem such.

The present invention has been made to solve such a conventional problem, it is possible to automatically change the driving time and driving speed of the rear wiper in response to the detection of the amount of rain water to improve the safety by improving the function of the rear wiper In addition, the purpose of the present invention is to provide a method of operating the rear wiper of the car, which can increase the operability and convenience of the driver, and can secure a competitive advantage through improved rear wiper performance and merchandise.

The above object of the present invention is to output a relay " off " signal after about 3 seconds when " on " and " washer switch off " after a certain time (T1) when the rear washer switch " on ", and the rear wiper switch " on " Outputs the relay "on" signal, and at the time of rear intermittent operation switch "on" immediately after wiper relay "on" signal output, the wiper is controlled according to the time interval set inside when the front wiper automatic switch "off", Front wiper automatic switch "on" outputs "on" signal to the rain sensor low-speed relay. When the front wiper is operated twice, the rear wiper outputs "on" signal once, and the front wiper automatic switch "on" & rain sensor low speed relay. Continued output "on" rear wiper interval is fixed at 1 second, automatic front wiper switch "on" & rain sensor high speed relay Continue output "on" rear wiper keeps on It can be achieved by.

Therefore, the rain sensor can detect the rain and automatically change the driving time and driving speed of the rear wiper, improving safety (rear view) by improving the function of the rear wiper, and improving the driver's operability and convenience. In addition to improving the rear wiper performance and marketability, the company can gain a competitive edge.

1 is a block diagram of an apparatus to which the present invention is applied.

2 is a flowchart for explaining the method of the present invention.

Explanation of symbols on main parts of drawing

1: Intermittent operation switch 2: Automatic switch

3: washer switch 4: front wiper control unit

5,6: Front wiper low and high speed relay 7: Rain sensor

8: Front Wiper Motor 9: Front Wiper Functional Drive

10: rear wiper intermittent operation switch 11: rear wiper switch

12: rear washer switch 14: rear wiper relay

13: Rain sensor interlocking rear wiper control unit 15: Rear wiper motor

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

1 shows a block diagram of an apparatus to which the method of the present invention is applied.

According to this, the intermittent operation switch (1) which is operated when intermittent operation of the wiper;

An automatic switch 2 operated when the wiper is to be automatically operated;

A washer switch 3 for determining whether to spray washer fluid;

A front wiper control unit 4 for controlling the driving of the front wiper low speed and high speed relays 5 and 6 by detecting the amount of rain through the rain sensor 7 including the state of each switch;

Front wiper low speed or high speed relay (5) (6) for supplying a power supply voltage corresponding to the output signal of the front wiper controller (4) to the wiper motor (8) and washer fluid injection motor through the front wiper functional driver (9). Wow;

A front wiper functional driver (9) for driving the wiper motor (8) and the washer liquid injection motor at a low speed or a high speed in response to a power supply voltage supplied through the front wiper low speed or high speed relay (5) (6);

A rear wiper intermittent operation switch 10 which is operated when the rear wiper is operated at predetermined time intervals;

A rear wiper switch 11 operated to control driving of the rear wiper;

A rear washer switch 12 for determining whether to spray rear washer fluid;

A rain sensor-linked rear wiper control unit 13 for controlling the driving of the rear wiper relay 14 by detecting the amount of rain through the rain sensor including the state of the rear related switch;

The rear wiper relay 14 supplies a power supply voltage corresponding to the output signal of the rain sensor-linked rear wiper control unit 13 to the rear wiper motor 15 and the washer fluid injection motor.

2 shows a flowchart for explaining the method of the present invention.

According to the present invention, the rain sensor interlocking rear wiper control unit 13 detects whether the rear wiper switch 11 is in the "on" state, and "turns on" the rear wiper relay 14 when the "on" state is present. ;

Detecting whether the rear washer switch 12 is in the " on " state when the detection results in the " off "state;

As a result of the above detection, if the rear washer switch 12 is in the "on" state, a drive signal is output to the rear wiper relay 14 after a predetermined time T1, and the rear washer switch 12 is detected to be in the "off" state. Steps;

As a result of the above detection, if the rear washer switch 12 is in the "off" state, after a predetermined time (for example, 3 seconds), the rear wiper relay 14 is turned off and the rear wiper intermittent operation switch 10 is in the "on" state. Detecting;

As a result of the above detection, when the rear wiper intermittent operation switch 10 is in the "off" state, it is returned to the initial stage, and when the "on" state is immediately turned on, the rear wiper relay 14 is turned on once and the front intermittent operation wiper switch 1 is " Detecting whether the status is "on";

Controlling the driving of the rear wiper by an internal setting value when the front intermittent operation wiper switch 1 is in the " off " state and detecting whether the front wiper high speed mode is in the " on "state;

Detecting that the front wiper continues to be "on" if the front wiper is in the high speed mode and detects whether the front wiper is "on" in the low speed mode if the front wiper is in the high speed mode;

As a result of the above detection, if the "on" state is kept in the low speed mode, the rear wiper is controlled for an intermittent time (for example, 1 second), and if the "on" state is not used, the rear wiper is removed several times (for example, 2 times). Operating once; characterized in that consisting of.

Referring to the operation and effect according to the present invention consisting of these steps are as follows.

First, the present invention, when the "on" signal is input from the rear wiper switch 11, including the rear wiper intermittent operation switch 10 in the rain sensor interlock rear wiper control unit 13, rain water through the rain sensor (7) After detecting and calculating the amount, the wiper driving speed is determined according to the amount, and the rear wiper motor 15 is driven through the rear wiper relay 14, so that the rear wiper is automatically adjusted in response to the amount of rainwater.

In this case, the rain sensor 7 may be separately mounted to the rear windshield, or may be used that is already installed in the front windshield.

On the other hand, the rain sensor-linked rear wiper control unit 13 "turns on" the rear wiper after a certain time (T1) when the rear washer switch 12 "on", and after about 3 seconds when the rear washer switch 12 is off, the rear wiper The relay 14 outputs an "off" signal.

In addition, when the rear wiper switch 11 is "on", the "on" signal is output to the rear wiper relay 14, and when the rear wiper intermittent operation switch 10 is "on" immediately once the rear wiper After the relay 14 outputs the "on" signal, it detects whether the front wiper automatic switch 2 is "off", and if it is in the "off" state, the driving of the rear wiper is controlled in accordance with the time interval value set therein.

In addition, when the front wiper automatic switch 2 is "on", the low speed signal is output to the rear wiper relay 14 in response to the output signal of the rain sensor 7 so that the rear wiper is 1 when the front wiper is operated twice. Allow it to work.

However, at this time, the rear wiper has a minimum integral time of 1 second or more, and it is a function for automatic wiping of the rear windshield according to the rain, assuming that the rear windshield is half of the windshield.

On the other hand, when the front wiper low speed mode continuous " on " while the front wiper auto switch 2 is " on ", the rear wiper intermittent operation interval is fixed to 1 second, and the front wiper auto switch 2 is " on " Front Wiper Fast Mode In the continuous "on" state, the rear wiper continues to be on.

As described above, according to the present invention, it is possible to automatically improve the driving time and driving speed of the rear wiper by detecting the rain through the rain sensor, thereby improving safety (separation of the rear view) by improving the function of the rear wiper. In addition, it is possible to increase the operability and convenience of the driver, as well as to obtain a competitive advantage through improved rear wiper performance and merchandise.

Claims (2)

delete Detecting whether the rear wiper switch 11 is in the "on" state by the rain sensor interlocking rear wiper control unit 13 and "turning on" the rear wiper relay 14 if it is in the "on" state; Detecting whether the rear washer switch 12 is in the " on " state when the detection results in the " off "state; As a result of the above detection, if the rear washer switch 12 is in the "on" state, a drive signal is output to the rear wiper relay 14 after a predetermined time T1, and the rear washer switch 12 is detected to be in the "off" state. Steps; As a result of the above detection, if the rear washer switch 12 is in the "off" state, after a predetermined time (for example, 3 seconds), the rear wiper relay 14 is turned off and the rear wiper intermittent operation switch 10 is in the "on" state. Detecting; As a result of the above detection, when the rear wiper intermittent operation switch 10 is in the "off" state, it is returned to the initial stage, and when the "on" state is immediately turned on, the rear wiper relay 14 is turned on once and the front intermittent operation wiper switch 1 is " Detecting whether the status is "on"; Controlling the driving of the rear wiper by an internal setting value when the front intermittent operation wiper switch 1 is in the " off " state and detecting whether the front wiper high speed mode is in the " on "state; Detecting that the front wiper continues to be "on" if the front wiper is in the high speed mode and detects whether the front wiper is "on" in the low speed mode if the front wiper is in the high speed mode; As a result of the above detection, if the "on" state is kept in the low speed mode, the rear wiper is controlled for an intermittent time (for example, 1 second), and if the "on" state is not used, the rear wiper is removed several times (for example, 2 times). Operating once the rear wiper method of the vehicle, characterized in that consisting of.