KR20080018539A - Door lock auto control apparatus of a vehicle and method of the same - Google Patents

Abstract

An automatic door lock control apparatus of a vehicle and a method are provided to operate a door lock automatically by sensing the weight when children and infants get on the vehicle and separately operating only the corresponding seats. An automatic door lock control apparatus of a vehicle is composed of a ignition switch(4) sensing the starting state of the vehicle; a door lock locking switch(8) manually operating a door lock of the vehicle; door lock solenoids(12a,12b,12c) installed at a vehicle door to lock the door lock; driving units(14a,14b,14c) driving the door lock solenoid; weight sensors(28a,28b,28c) installed at a passenger's seat of front seats and the rear seats of the vehicle to sense the weight of passengers; a data storing unit(24) storing reference vehicle speed and reference weight data; and a control unit(26) receiving the weight data of passengers from each weight sensor while a start signal is received from the ignition switch, and comparing the weight data and reference weight data. The control unit determines that children and infants get on the vehicle if the weight data smaller than the reference weight data is transmitted, and locks the door lock of the corresponding position.

Description

DOOR LOCK AUTO CONTROL APPARATUS OF A VEHICLE AND METHOD OF THE SAME}

1 is a block diagram showing the configuration of a door lock control apparatus for a vehicle according to a conventional embodiment;

Figure 2 is a block diagram showing the configuration of the automatic door lock control device for a vehicle according to the first embodiment of the present invention,

3 is a block diagram showing a controller configuration of an automatic door lock control apparatus for a vehicle according to the first embodiment of the present invention;

4 is a flow chart showing the signal flow of the automatic door lock control device of the vehicle according to the first embodiment of the present invention,

5 is a flowchart illustrating a signal flow of an automatic door lock control apparatus for a vehicle according to a second embodiment of the present invention;

6 is a flowchart illustrating a signal flow of the automatic door lock control apparatus for a vehicle according to the third embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

4: Start switch 6: Vehicle speed sensor

8: Door lock lock switch 12a, 12b, 12c: 1st, 2nd, 3rd door lock solenoid

14a, 14b, 14c: 1st, 2nd, 3rd door lock solenoid drive unit

30: data storage unit 32: control unit

The present invention relates to an automatic door lock control device and a method thereof, and more particularly, when the vehicle is traveling at a certain speed or more, automatically detecting whether the infant and the child is on the boarding position of the infant and the child. The present invention relates to an automatic door lock control device and a method of automatically locking a door and a window so that the door can be opened at an adult position.

As is well known, a door lock of a vehicle generally refers to a mechanism for maintaining a closed state of a vehicle door, and is usually locked by pressing and locking a knob in a room, but pressing a knob like a rear door. Self-locking when the door is closed while the door is closed is called self-cancellation.

If the occupant is a child or an infant while driving, the cognitive ability may be reduced. Therefore, the driver may open a door or window without being aware of the danger of driving the vehicle and expose all or part of the body to the outside of the driving vehicle. It can also cause safety accidents.

Therefore, recently, the door lock control device 2 of the vehicle as shown in FIG. 1 is applied, and the door lock control device 2 of the conventional vehicle applies a signal for the ignition state of the vehicle from the start switch 4. The door lock locking switch 8 and the window lock switch 10 which are operated by the driving speed of the vehicle through the vehicle speed sensor 6 and operated manually are provided, and the door lock solenoid for switching the door to the locked state ( 12 and a door lock solenoid drive unit 14, a window motor 16, and a window motor drive unit 18 for driving the door lock solenoid 12 thereof.

In addition, a data storage unit 24 for storing the vehicle speed applied from the vehicle speed sensor 6 and reference vehicle speed data registered for locking the door and the window is provided, and the vehicle speed data applied from the vehicle speed sensor 6 is provided. And a control unit 26 for controlling the door lock and the window to be automatically locked at a predetermined vehicle speed or more in comparison with the reference vehicle speed data.

Therefore, above a certain vehicle speed, the doors and windows of the occupant side except for the driver side doors and windows are automatically locked, thereby increasing the stability of unexpected behaviors of infants and children.

However, the door lock control device 2 of such a conventional vehicle is not actually required for a high cognitive adult, but all operate according to the vehicle speed, causing unnecessary battery consumption, and automatically driving the driver if a certain vehicle speed is exceeded even in a dangerous situation such as abduction. Since all doors and windows except the side are locked, there is a problem that the escape attempt is blocked in advance.

In addition, when getting off, there is an inconvenience in that the door and the window that are automatically locked can be opened only by manually operating a manual switch on the driver side. That is, it is not necessary to operate the door lock in a situation where an adult boards, but in the prior art, the door lock has been inconvenient, and there is inconvenience in that the driver additionally releases the door lock even when getting off.

The present invention has been made in view of the above-described circumstances of the prior art, and when the vehicle is traveling at a predetermined vehicle speed or more, only the door and window of the position where the infant and child are automatically detected by detecting whether the infant and the child are on board. It is an object of the present invention to provide an automatic door lock control apparatus and a method for automatically opening a door in an adult position of an occupant so as to attempt to open the door.

In order to achieve the above object, according to a preferred embodiment of the present invention and a start switch for detecting the starting state of the vehicle; A door lock lock switch for manually operating the door lock of the vehicle; In the door lock control device of the vehicle comprising a door lock solenoid which is provided on the door of the vehicle and locks the door lock, and a drive unit for driving the door lock solenoid, the door lock control apparatus of the vehicle is mounted on the front passenger seat and the rear seat of the vehicle, A weight sensor for sensing a weight of the occupant; A data storage unit for storing the reference vehicle speed and the reference weight data; In the state where the start signal is applied from the start switch, the weight data of the occupant is received from the respective weight sensors, and when weight data smaller than the reference weight data is applied by comparing with the reference weight data, it is determined as an infant or a child. There is provided an automatic door lock control device for a vehicle, characterized in that the control unit is configured to control the door lock of the corresponding position.

Preferably, the control unit comprises a weight signal processing unit for receiving the weight signal of the occupant electrically from the weight sensor to convert to a numerical signal through the A / D conversion; A weight control module for comparing the weight data applied from the weight signal processing unit with reference data stored in a data storage unit; A door lock automatic control apparatus for a vehicle is provided, which comprises a lock control processor for generating a door lock lock signal through comparison in the weight control module.

Preferably, the control unit is provided with an automatic door lock control device for a vehicle, characterized in that for generating a door lock control signal to the window motor driving unit for driving the window motor by weight determination.

Preferably, the automatic door lock control device of the vehicle is further provided with a vehicle speed sensor for detecting the speed of the vehicle, the control unit is to receive the weight signal of the occupant from the weight sensor only when the speed of the vehicle is a certain speed or more. A door lock automatic control device for a vehicle is provided.

On the other hand, the present invention comprises the steps of determining whether the start signal is applied from the start switch of the vehicle; Receiving, by the controller, weight data from the weight sensor in a state where a start signal is applied; Determining, by the controller, whether the weight data below the reference data exists by comparing the reference weight data with the applied weight data; If the weight data less than the reference data is present, the control unit generates a lock signal to the door lock, the process of locking the door lock; Determining, by the controller, whether a door lock release signal is applied from a door lock lock switch; When the door lock release signal is applied, the door lock automatic control method of the vehicle is provided, characterized in that the control unit is made to release all the door locks.

Preferably, when there is no weight data less than the reference data, if the manual lock signal is applied from the door lock lock switch, the door lock automatic control apparatus of the vehicle further comprising the step of locking all the door locks Is provided.

On the other hand, the present invention comprises the steps of determining whether the start signal is applied from the start switch of the vehicle; Receiving, by the controller, weight data from the weight sensor in a state where a start signal is applied; Determining, by the controller, whether the weight data below the reference data exists by comparing the reference weight data with the applied weight data; If the weight data less than the reference data is present, the control unit generates a lock signal only to the door lock, and locks only the door lock; Determining, by the controller, whether a door lock release signal is applied from a door lock lock switch; When the door lock release signal is applied, the control method of the vehicle door lock is provided, characterized in that the control unit is made to release the door lock.

On the other hand, the present invention comprises the steps of determining whether the start signal is applied from the start switch of the vehicle; Determining, by the controller, whether the vehicle speed received from the vehicle speed sensor is equal to or greater than the reference vehicle speed while the start signal is applied; Receiving, by the controller, the weight data from the weight sensor while the vehicle is traveling at the reference vehicle speed or more; Determining, by the controller, whether the weight data below the reference data exists by comparing the reference weight data with the applied weight data; If the weight data less than the reference data is present, the control unit generates a lock signal only to the door lock, and locks only the door lock; Determining, by the controller, whether a door lock release signal is applied from a door lock lock switch; When the door lock release signal is applied, the control unit of the vehicle door lock is provided, characterized in that the control step of releasing the door lock.

EMBODIMENT OF THE INVENTION Hereinafter, this invention is demonstrated in detail with reference to drawings.

2 is a block diagram showing the configuration of an automatic door lock control apparatus for a vehicle according to the first embodiment of the present invention.

Referring to this, the automatic door lock control apparatus for a vehicle according to the first embodiment of the present invention automatically detects whether an infant and a child are in the vehicle when the vehicle is traveling at a predetermined vehicle speed or more, and the position where the infant and the child are boarded. By automatically locking the doors and windows of the device, the device can be attempted to open the door at the position of the adult.

To this end, the automatic door lock control apparatus for a vehicle according to the first embodiment of the present invention receives a signal for the ignition state of the vehicle from the start switch 4, like the conventional door lock control apparatus, and receives the vehicle speed sensor 6. A door lock lock switch 8 and a window lock switch 10 which are applied by the driving speed of the vehicle and operated manually are provided, and the door lock solenoid 12 and its door lock solenoid 12 for switching the door to a locked state are provided. The door lock solenoid drive unit 14, the window motor 16, and the window motor drive unit 18 for driving () are provided.

On the other hand, the automatic door lock control device of the vehicle according to the first embodiment of the present invention is mounted on the front passenger seat and the rear seat of the vehicle, respectively, the weight sensor 28 for detecting the weight of the occupant is provided Preferably, the weight sensor 28 is provided for each sheet to be composed of the first, second, third weight sensors 28a, 28b, 28c, and the first weight sensor 28a is mounted on the passenger seat. And the second and third weight sensors 28b and 28c are weight sensors respectively installed on the left and right sides of the rear seat.

In addition, it is preferable that a plurality of door lock solenoids 12 and door lock solenoid drives 14 for driving the door lock solenoids 12 are also preferably formed in a plurality so as to be individually driven for each of the left and right sides of the passenger seat and the rear seat. It is possible.

In addition, the automatic door lock control apparatus for a vehicle according to the first embodiment of the present invention is provided with a data storage unit 30 for storing reference vehicle speed and reference weight data, and receives a start signal from the start switch 4. In the state, the weight data of the occupant is received from each of the weight sensors 28a, 28b, and 28c, and if the weight data smaller than the reference weight data is applied by comparing with the reference weight data stored in the data storage unit 30, the infant Or judging as a child, a control unit 32 for controlling the door lock of the position is provided.

3 is a block diagram illustrating a control unit of the automatic door lock control apparatus for a vehicle according to the first embodiment of the present invention.

Referring to this, the control unit 32 of the automatic door lock control apparatus for a vehicle according to the first embodiment of the present invention converts a passenger's weight signal from the weight sensor into a numerical signal through A / D conversion. A weight signal processing unit 34; A weight control module 36 for comparing the weight data applied from the weight signal processing unit 34 with reference data stored in the data storage unit 30; It is composed of a lock control processor 38 for generating a door lock lock signal through comparison in the weight control module 36.

On the other hand, the control unit 32 can generate a door lock control signal to the window motor driver 18 for driving the window motor 16 by weight determination. The window motor 16 and the window motor driver 18 for driving the window motor 16 may also be configured to be individually controlled for each seat so that only the seat occupied by the passenger under the reference weight is set to the window lock. .

The function and action of the automatic door lock control apparatus for a vehicle according to the first embodiment of the present invention having the above-described configuration will be described in detail with reference to the accompanying drawings.

4 is a flow chart showing the signal flow of the automatic door lock control device of the vehicle according to the first embodiment of the present invention.

First, the control unit 32 determines whether a start signal is applied from the start switch 4 of the vehicle (ST-1), and in a state where the start signal is applied, the control unit 32 controls the weight sensors 28a, 28b, 28c), the control unit 32 compares the reference weight data stored in the data storage unit 30 with the weight data applied from the weight sensors 28a, 28b, 28c, and below the reference data. Determines whether weight data exists. (ST-2,3,4)

In this state, if there is weight data of less than or equal to the reference data (for example, 20 kg or less), the control unit 32 generates a lock signal to the door lock solenoids 12a, 12b, and 12c to lock the door lock (ST- 5,6).

The controller 32 determines whether the door lock release signal is applied from the door lock lock switch 8 (ST-7), and when the door lock release signal is applied, the controller 32 controls all the door lock solenoids 12a and 12b. And a release control signal to release all the door locks (ST-8).

On the other hand, in a situation where weight data of less than or equal to the reference data (for example, 20 Kg) does not exist, if the manual lock signal is applied from the door lock lock switch 8, the control unit 32 locks all the door locks (ST- 9,10).

The function and action of the automatic door lock control apparatus for a vehicle according to the second embodiment of the present invention having the above-described configuration will be described in detail with reference to the accompanying drawings.

5 is a flowchart illustrating a signal flow of the automatic door lock control apparatus for a vehicle according to the second embodiment of the present invention.

First, the control unit 32 determines whether the start signal is applied from the start switch 4 of the vehicle (ST-11), and in the state where the start signal is applied, the control unit 32 controls the weight sensors 28a, 28b, 28c), the control unit 32 compares the reference weight data stored in the data storage unit 30 with the weight data applied from the weight sensors 28a, 28b, 28c, and below the reference data. Determines whether weight data exists (ST-12, 13, 14)

In this state, if there is weight data of less than or equal to the reference data (for example, 20 kg or less), the control unit 32 locks only to the door lock solenoids 12a, 12b, and 12c on the seat side where the weight data or less of the reference data is detected. A signal is generated to lock the door (ST-15, 16).

The controller 32 determines whether the door lock release signal is applied from the door lock lock switch 8 (ST-17), and when the door lock release signal is applied, the controller 32 controls all the door lock solenoids 12a and 12b. 12c) generates a release control signal to release all door locks (ST-18).

On the other hand, in a situation where weight data of less than or equal to the reference data (for example, 20 Kg) does not exist, if the manual lock signal is applied from the door lock lock switch 8, the control unit 32 locks all the door locks (ST- 19, 20).

The function and action of the automatic door lock control apparatus for a vehicle according to the third embodiment of the present invention having the above-described configuration will be described in detail with reference to the accompanying drawings.

6 is a flowchart illustrating a signal flow of the automatic door lock control apparatus for a vehicle according to the third embodiment of the present invention.

First, the controller 32 determines whether a start signal is applied from the start switch 4 of the vehicle (ST-21). If the start signal is applied, the control unit 32 stores the vehicle speed and data received from the vehicle speed sensor 6. The reference vehicle speed stored in the unit 30 is compared to determine whether the authorized vehicle speed is equal to or higher than the reference vehicle speed (ST-22).

The controller 32 receives weight data from the weight sensors 28a, 28b, and 28c while driving at a reference vehicle speed or more, so that the controller 32 stores the reference weight data stored in the data storage unit 30, and The weight data applied from the weight sensors 28a, 28b, and 28c are compared to determine whether there is weight data below the reference data. (ST-23, 24, 25)

In this state, if there is weight data of less than or equal to the reference data (for example, 20 kg or less), the control unit 32 locks only to the door lock solenoids 12a, 12b, and 12c on the seat side where the weight data or less of the reference data is detected. A signal is generated to lock the door (ST-26, 27).

The control unit 32 determines whether the door lock release signal is applied from the door lock lock switch 8 (ST-28), and when the door lock release signal is applied, the control unit 32 controls all the door lock solenoids 12a and 12b. And a release control signal to release all door locks (ST-29).

On the other hand, when there is no weight data of less than or equal to the reference data (for example, 20 Kg), if the manual lock signal is applied from the door lock lock switch 8, the control unit 32 locks all the door locks (ST- 30, 31).

On the other hand, the automatic door lock control apparatus and method of the vehicle according to an embodiment of the present invention is not limited to the above embodiments, but various modifications can be made without departing from the technical gist of the present invention.

As described above, the automatic door lock control apparatus and method of the vehicle according to the present invention does not operate the door lock when the adult with a high cognitive ability, and detects the weight when the child and infants with low cognitive ability ride By automatically operating the door lock, and only the seat to operate the door lock differentially, to prevent unnecessary door lock operation, if the adult boarded even in a dangerous situation such as abduction, the door lock does not work so you can easily try to escape. In addition, since the door lock does not operate when an adult is on board, the driver does not need to manually operate the release switch even when getting off, which is very convenient.

Claims (8)

A start switch for detecting a starting state of the vehicle; A door lock lock switch for manually operating the door lock of the vehicle; In the door lock control device of the vehicle comprising a door lock solenoid which is provided on the door of the vehicle and locks the door lock, and a drive unit for driving the door lock solenoid, A weight sensor mounted on a passenger seat of the front seat of the vehicle and a rear seat of the vehicle, for detecting a weight of a passenger; A data storage unit for storing the reference vehicle speed and the reference weight data; In the state where the start signal is applied from the start switch, the weight data of the occupant is received from the respective weight sensors, and when weight data smaller than the reference weight data is applied by comparing with the reference weight data, it is determined as an infant or a child. Automatic control device for a door lock, characterized in that the control unit configured to control the door lock of the position. The apparatus of claim 1, wherein the control unit comprises: a weight signal processing unit for electrically receiving the weight signal of the occupant from the weight sensor and converting the signal into a numerical signal through A / D conversion; A weight control module for comparing the weight data applied from the weight signal processing unit with reference data stored in a data storage unit; Automatic locking device for a vehicle door, characterized in that configured as a lock control processor for generating a door lock lock signal through comparison in the weight control module. The apparatus of claim 1, wherein the control unit generates a door lock control signal to a window motor driving unit for driving the window motor by weight determination. According to claim 1, The automatic door lock control device of the vehicle is further provided with a vehicle speed sensor for detecting the speed of the vehicle, the control unit applies the weight signal of the occupant from the weight sensor only when the speed of the vehicle is a certain speed or more. Door lock automatic control device for a vehicle, characterized in that the receiving. Determining whether a start signal is applied from a start switch of the vehicle; Receiving, by the controller, weight data from the weight sensor in a state where a start signal is applied; Determining, by the controller, whether the weight data below the reference data exists by comparing the reference weight data with the applied weight data; If the weight data less than the reference data is present, the control unit generates a lock signal to the door lock, the process of locking the door lock; Determining, by the controller, whether a door lock release signal is applied from a door lock lock switch; When the door lock release signal is applied, the door lock automatic control method of the vehicle, characterized in that made in the process of releasing all the door locks. The door lock of the vehicle according to claim 5, further comprising a step of locking all door locks when a manual lock signal is applied from the door lock lock switch in a situation where weight data of less than reference data does not exist. Automatic control. Determining whether a start signal is applied from a start switch of the vehicle; Receiving, by the controller, weight data from the weight sensor in a state where a start signal is applied; Determining, by the controller, whether the weight data below the reference data exists by comparing the reference weight data with the applied weight data; If the weight data less than the reference data is present, the control unit generates a lock signal only to the door lock, and locks only the door lock; Determining, by the controller, whether a door lock release signal is applied from a door lock lock switch; When the door lock release signal is applied, the control of the door lock automatic control method of the vehicle, characterized in that the step of releasing the door lock. Determining whether a start signal is applied from a start switch of the vehicle; Determining, by the controller, whether the vehicle speed received from the vehicle speed sensor is equal to or greater than the reference vehicle speed while the start signal is applied; Receiving, by the controller, the weight data from the weight sensor while the vehicle is traveling at the reference vehicle speed or more; Determining, by the controller, whether the weight data below the reference data exists by comparing the reference weight data with the applied weight data; If the weight data less than the reference data is present, the control unit generates a lock signal only to the door lock, and locks only the door lock; Determining, by the controller, whether a door lock release signal is applied from a door lock lock switch; When the door lock release signal is applied, the control of the door lock automatic control method of the vehicle, characterized in that the step of releasing the door lock.

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