KR960013021B1 - Door open device for left key in a car - Google Patents

Abstract

first and second transceiver devices (10, 26), a door state detecting device (12), first and second oscillators (14, 32), a data convertor (16), first and second transmitters (18, 38), a demodulator (22), first and second control devices (24, 34), a decoder (30), an encoder (36), an alarm device (40), and a door actuator (42). The device generates an alarm sound when the driver locked the door leaving the master key in the car.

Description

Door opening device when car key remains

1 is a block diagram of a door opening device in the vehicle key remaining in accordance with the present invention.

* Explanation of symbols for main parts of the drawings

10,26: first and second transceiver 12: the door opening and closing detection unit

14,32: first and second oscillation unit 16: data conversion unit

18,38: first and second transmitter 20,28: first and second receiver

22 demodulator 24, 34 first and second control unit

30: Decoder 36: Encoder

40: alarm unit 42: door actuator

The present invention relates to a door opening device in the case of key residue in an automobile compartment. In particular, when the driver leaves the door while leaving the master key in the automobile compartment, the driver generates an alarm sound and unlocks the door. The present invention relates to a door opening device for remaining keys in a car, which enables a user to take a master key.

At present, each door of a commercialized vehicle is provided with a door locking piece to lock / unlock the door, and to lock / unlock the door of the car as a master key outdoors. A key holder that can be installed is installed in the door of the driver's seat and the passenger's seat. When the driver parks the car, the driver locks the door using the door lock or inserts a master key in the key holder. This will lock the door.

However, if the driver inadvertently puts the master key on the inside of a car, for example, on the instrument panel or seat, locks the door and gets off, if the auxiliary key is held in advance, the door can be unlocked and there is no defect. If there is no such auxiliary key, there is no way to unlock the door, which inevitably requires A / S.

Accordingly, the present invention has been made in view of the above circumstances, and an object thereof is to provide a transmitter / receiver at a predetermined position of a door on the side of a driver's seat and a passenger seat of a vehicle, and to transmit and receive a signal and a transmitter / receiver of the door at a predetermined portion of a master key. If there is a response signal of the master key to the door side transmission by installing this transceiver, it is judged that the master key remains in the room and the alarm sound is generated and the door is unlocked to prevent the interior of the master key when the door is locked. The present invention provides a door opening device for key residue in a car interior.

In order to achieve the above object, the door-opening device in the vehicle interior according to the present invention transmits a frequency signal of a predetermined level as a door lock detection door lock confirmation signal of a vehicle, and accordingly the frequency level of the received response signal is transmitted. The first transmission / reception means for controlling the unlocking of the door and generating an alarm sound to alarm the interior remaining state of the master key when it is determined to be equal to the transmission frequency level as the door lock confirmation signal. Second transmission and reception means for transmitting a response signal as a result of receiving the door lock confirmation signal transmitted from the first transmission and reception means, and alarming the indoor residual state of the master key according to the alarm generation control from the first transmission and reception means; An alarm unit for generating an alarm sound and a door unlock control from the first transmission / reception means The present invention provides a door opening device in case of remaining key in a vehicle, which is composed of a door actuator for unlocking a door.

According to a preferred embodiment of the present invention, the first transmission / reception means includes a door opening / closing detection unit for detecting whether the vehicle door is opened or closed, a first oscillation unit for oscillating a predetermined level of frequency, and a predetermined door lock confirmation signal. A data conversion unit for converting data into a data, a first transmission unit for transmitting data from the data conversion unit, a first reception unit for receiving a response signal from the second transmission / reception unit receiving the transmission signal from the first transmission unit, and A demodulator for demodulating the received signal received by the first receiver into an original signal, and a frequency signal corresponding to the oscillation frequency level of the first oscillator according to the door closing detection from the door opening / closing detecting unit as a door lock confirmation signal; In addition, the response signal demodulated by the demodulator is equal to the frequency level of the door lock confirmation signal. And a first control unit for outputting an alarm control signal for alerting the master key remaining state in the vehicle interior and a door unlock lock control signal when it is determined.

The second transmitting and receiving means may include a second receiving unit for receiving data output from the first transmitting unit of the first transmitting and receiving unit, a decoder for decoding the received data from the second receiving unit, and a second oscillating frequency. 2 oscillation unit, a second control unit for outputting a response signal at the oscillation frequency level of the second oscillation unit when the decoding signal from the decoder is a door lock confirmation signal, an encoder for encoding the response signal from the second control unit, and the encoder And a second transmitter for outputting an encoded response signal.

On the other hand, according to the present invention, the first transmission and reception means is configured to be installed at a predetermined position of the driver's seat and the passenger seat door.

In addition, the oscillation frequency levels of the first oscillator of the first transceiver and the second oscillator of the second transceiver are the same.

In addition, the alarm unit is composed of a horn.

According to the present invention configured as described above, when the door of the vehicle is locked in a state where the master key is prevented from being placed in the automobile compartment, the driver's seat and the passenger's seat also have a first transceiver and a second transceiver installed on the master key; By the mutual exchange of signals, not only the alarm sound for alarming the master key's neglect status is generated, but also the door is unlocked so that the driver can take the master key.

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

1 is a block diagram of a door opening device in the case of the key remaining in the vehicle interior according to the present invention, reference numeral 10 is installed in a predetermined position of the driver's seat and the passenger seat door to lock the door after the driver locks the door of the car interior of the master key In order to judge whether it remains, the frequency signal (i.e. door lock confirmation signal) of the predetermined level is transmitted, and if the response frequency level received accordingly is the same as the transmission frequency level, it is judged that the master key remains in the vehicle room A first transmitting and receiving device for outputting a generation signal and outputting a door unlocking signal to unlock the door.

Here, the first transceiver 10 is connected to a door connection switch (not shown), the door opening and closing detection unit 12 having a predetermined door opening and closing detection sensor for detecting whether the door is opened or closed, and the car door is closed. The first oscillation unit 14 for oscillating the frequency of a predetermined level as the vehicle door is closed, and the data for converting the door lock confirmation signal input at the oscillation frequency level from the first oscillation unit 14 as the vehicle door is closed to predetermined digital data. The conversion unit 16, the first transmission unit 18 for transmitting data from the data conversion unit 16, and a response signal to the transmission signal from the first transmission unit 18 (i.e., provided in the master key described later) A demodulator for demodulating the received signal (ie, the response signal) received by the first receiver 20, the first receiver 20, which receives the received response signal from the second transceiver 26; 22) and, the door opening and closing detecting unit 12 The door lock confirmation signal is output by the first oscillator 14 at the oscillation frequency level according to the door closing detection signal from the door, and the response signal demodulated by the demodulator 22 is generated by the closing of the automobile door. When the frequency level of the lock confirmation signal is the same, it is determined that the key remains in the vehicle interior, and an alarm signal for notifying the driver that the master key remains in the vehicle interior and a door unlock signal for unlocking the door in the locked state are output. It consists of one control part 24.

In addition, the first control unit 24 preferably determines the engine operation state of the vehicle and may control the transmission / reception operation when the engine is in operation.

Reference numeral 26 denotes a second transmitting and receiving device which is provided at a predetermined position of a master key (not shown) and transmits a response signal to the door lock confirmation signal transmitted from the first transmitting and receiving device 10.

Here, the second transceiver 26 includes a second receiver 28 for receiving signal data output from the first transmitter 18 of the first transceiver 10 and a second receiver 28 from the second receiver 28. A decoder 30 for recognizably decoding the received data of the second, the second oscillator 32 for oscillating a frequency of a predetermined level, the signal decoded by the decoder 30 is the first transmitter of the first transceiver 10 In the case of the door lock confirmation signal transmitted from (20), the second control unit 34 outputs a response signal at the oscillation frequency level of the second oscillation unit 32, and encodes the response signal from the second control unit 34. It consists of an encoder 36 and a second transmitter 38 for transmitting a response signal encoded by the encoder 36.

Meanwhile, the second transceiver 26 receives power from a power supply such as a battery or a rechargeable battery (not shown) installed in a master key separately from the vehicle power supply, and transmits the power from the first transceiver 10. It is possible to output a response signal to the signal.

Further, reference numeral 40 is an alarm unit for generating an alarm sound for alarming the indoor remaining state of the master key in accordance with an alarm control signal from the first control unit 24 of the first transceiver 10, preferably a horn. It consists of (Horn).

Reference numeral 42 denotes a door actuator for unlocking the door according to the door unlock lock control signal from the first control unit 24 of the first transceiver 10.

Next, the door opening operation by the door opening device during key residue in the vehicle interior according to the present invention configured as described above will be described.

In FIG. 1, when a driver stops starting to stop driving of a vehicle and gets off with the master key remaining in the vehicle cabin, the driver locks the door. The door open / close detection unit 12 of the transceiver 10 detects a closed state according to the lock of the door and outputs a door closing detection signal, and the first control unit 24 receives the door closing detection signal as a result. The door lock confirmation signal is output at the oscillation frequency level from the first oscillator 14 and the door lock confirmation signal converted into a digital signal by the data converter 16 is predetermined through the first transmitter 18. It is applied to the second receiver 28 of the second transceiver 26 installed in the master key placed at the position.

At this time, the decoder 30 of the second transceiver 26 decodes the door lock confirmation signal received by the second receiver 28 through the decoder 30, and the second controller 34 performs the decoder 30. When the signal decoded by the second transmission unit 20 is determined to be the door lock confirmation signal transmitted by the first transmitter 20 of the first transceiver 10, the second controller 34 generates the oscillation frequency of the second oscillator 32. The response signal is output at the level, and the response signal is converted by the encoder 36 and applied to the first receiver 20 of the first transceiver 10 through the second transmitter 38.

On the other hand, the response signal applied to the first receiver 20 of the first transceiver 10 is the original signal level in the demodulator 22, that is, in the second oscillator 32 in the second transceiver 26 The oscillated oscillation frequency level is restored and applied to the first control unit 24.

Thus, the first control unit 24 compares the frequency level of the response signal input through the demodulator 22 with the frequency level of the door lock confirmation signal, and determines that the master key remains in the vehicle interior when the same is the same. The door unlocking control signal is output together with the control signal. The alarm unit 40 generates an alarm sound according to the alarm control signal, and the door actuator 42 generates the door in the locked state according to the door unlock lock control signal. Allow the locking piece to be unlocked.

According to the present invention, the operation of the alarm unit 40 and the door actuator 42 is the first transceiver 10 installed on the door side of the driver's seat and the passenger seat to receive a response signal from the second transceiver 26 installed in the master key. ) Must be received at the same time to operate.

As described above, when the alarm unit 40 and the door actuator 42 are operated, the driver hears the alarm sound and grasps the state in which the master key remains in the vehicle compartment, so as to possess the master key.

According to the present invention as described above, according to the present invention, the door opening device in the case of the key remaining in the interior of the car, the master key in the car room due to the carelessness of the driver locks the door and can be prevented from leaving the indoor key state of the master key. In addition, there is an advantage that a separate auxiliary key is not required as compared to the conventional pattern, and the inconvenience of requiring A / S to unlock the door is also eliminated.

Claims (6)

Door lock detection of the vehicle The frequency signal of the predetermined level as the door lock confirmation signal is transmitted, and accordingly the reception is performed when the frequency level of the response signal is determined to be equal to the transmission frequency level as the transmitted door lock confirmation signal. The first transmission and reception means 10 for controlling the unlocking of the door, and the door lock confirmation signal transmitted from the first transmission and reception means 10 is installed on the master key. A second transmission and reception means 26 for transmitting a response signal thereto as a result of the reception, and an alarm unit for generating an alarm sound for alarming the indoor residual state of the master key according to the alarm generation control from the first transmission and reception means 10; 40 and a door actuator 42 for unlocking the door according to the door unlocking control from the first transmitting and receiving means 10. Automotive interior when the door is open the key remaining devices. According to claim 1, wherein the first transmission and reception means 10 is a door opening and closing detection unit 12 for detecting the opening and closing of the car door, a first oscillation unit 14 for oscillating a predetermined level of frequency, door lock input A data converter 16 for converting a confirmation signal into predetermined digital data, a first transmitter 18 for transmitting data from the data converter 16, and a transmission signal from the first transmitter 18 A first receiver 20 for receiving the response signal from the second transceiver 26, a demodulator 22 for demodulating the received signal received by the first receiver 20 into an original signal, and the door In response to the door closing detection from the open / close detection unit 12, a frequency signal corresponding to the oscillation frequency level of the first oscillator 14 is output as a door lock confirmation signal, and a response signal demodulated by the demodulator 22 is output. Frequency level of the door lock confirmation signal If the same is determined that the car room key residues when the door opening device, characterized in that configured to include a first control unit 24 for outputting an alarm control signal, and a door unlock control signal to alert the master key residual state of the vehicle interior. The method of claim 2, wherein the second transmitting and receiving means 26 is a second receiving unit 28 for receiving data output from the first transmitting unit 18 of the first transmitting and receiving means 10, and the second receiving unit ( 28, a second oscillator 32 for oscillating a frequency of a predetermined level, and the second oscillator (if the decoding signal from the decoder 30 is a door lock confirmation signal). A second control section 34 for outputting a response signal at the oscillation frequency level of 32; an encoder 36 for encoding a response signal from the second control section 34; and a response signal encoded by the encoder. Door opening device in the key remaining in the vehicle, characterized in that it comprises a second transmitter (38). The door opening apparatus of claim 1, wherein the alarm unit comprises a horn. 2. The door opening apparatus of claim 1, wherein the first transceiver 10 is configured to be installed at predetermined positions of the driver's seat and the passenger seat door. 4. The door opening apparatus of claim 3, wherein the frequency signals oscillated in the first oscillator (14) and the second oscillator (32) are generated at the same oscillation frequency level.