KR200257700Y1 - Signal Transmitting Module Attachable to Mobile Phone for Locking/Unlocking Automobile Door Automatically - Google Patents

Abstract

The present invention relates to a door open / close signal transmission module mounted on a mobile terminal main body to receive power from a battery supplying power to a mobile terminal main body, and to transmit a radio signal for opening and closing an automobile door with a unique ID. A CPU for storing the unique ID in its own memory and controlling to periodically transmit a data signal including the unique ID; And a wireless transmitter connected to the CPU and generating a radio frequency corresponding to the data signal by receiving a data signal applied from the CPU and transmitting the radio frequency to the outside. Accordingly, by providing a door open / close signal transmission module that can be installed in the mobile terminal, the vehicle door is automatically kept unlocked when entering a certain distance from the parking position without carrying a separate remote control, and automatically when it leaves a certain range. It is effective to keep the car door locked.

Description

Signal Transmitting Module Attachable to Mobile Phone for Locking / Unlocking Automobile Door Automatically}

The present invention relates to a door open / close signal transmission module for transmitting a wireless signal to automatically open and close the car door, and more particularly, installed in a mobile terminal that most of the drivers are carrying recently entered within a certain distance from the parking position of the car. The present invention relates to a door open / close signal transmission module that automatically drives a door switch to unlock the vehicle door, and automatically locks the vehicle door when the vehicle door is out of a predetermined distance from the parking position.

Recently, automobiles, which have become a necessity of modern man, have been developed a lot for the convenience and safety of the driver. In particular, recently, a remote control device capable of operating a certain part of a vehicle by using a technology of transmitting and receiving signals using radio waves has been developed to improve driver convenience and safety. The remote control apparatus may operate the engine, the air conditioner or the heater by transmitting and receiving radio waves at a certain distance away from the driver, and may notify that the vehicle is operated according to the driver's operation by using an alarm sound or a headlight. In addition, various sensors are installed in the vehicle to prevent theft and generate the antitheft alarm using an emergency light or an alarm sound based on a signal detected by the sensor.

In this general remote control device, when the driver sends an operation signal from the remote control transmitter, the transmitted radio signal is received through the antenna of the main box, amplified and filtered, and outputted to each driving device. It's instead of working.

By the way, in the conventional remote control apparatus, there is a problem that the driver has to operate the remote control transmitter directly within a certain distance from the parking position. In addition, in case of using the 1: 1 matching method in which the remote controller and the main box are manufactured and sold in order to recognize the unique ID embedded in the remote controller, the data of the remote controller and the main box can be mutually transmitted and received. Since the battery consumption is increased, the remote control battery needs to be replaced frequently.

Therefore, the present invention has been devised to solve the conventional problems as described above, and the first object of the present invention is to install in a mobile terminal that a large number of drivers are carrying recently to open and close the car door automatically. To provide a door open and close signal transmission module.

It is a second object of the present invention to provide a door open / close signal transmission module that can automatically open and close an automobile door without the hassle of frequently replacing a battery for supplying power required for operation.

The third object of the present invention is to wirelessly transmit the unique ID of the door open / close signal transmission module that automatically opens and closes the car door periodically to the main box, and the main box that receives the unique ID transmits the vehicle when the registered unique ID signal is detected. The present invention relates to a door open / close signal transmission module that automatically unlocks a door and automatically locks an automobile door when a signal according to ID is not detected at a set time interval.

The fourth object of the present invention is to block the signal transmitted from the door open / close signal transmission module when the driver detects IG (Ignition) I or IG II while the driver inserts a key into the ignition holder or the vehicle door is open. An object of the present invention is to provide a door open / close signal transmission module that prevents the door from being unlocked.

1 is an exemplary embodiment of a vehicle in which a main terminal is connected to a mobile terminal equipped with a door open / close signal transmission module according to the present invention,

Figure 2 is a block diagram between the door open and close signal transmission module and the main box of the present invention.

3 is a block diagram of a door open and close signal transmission module of the present invention,

4 is an internal configuration diagram of a main box connected to communicate with the door open / close signal transmission module of the present invention.

♣ Explanation of symbols for the main parts of the drawing ♣

1: Mobile terminal 3: Mobile terminal basic body

5: Battery 7: Input Button

10: Door open / close signal transmission module 13: CPU

15: radio transmitter 20; Main box

21: wireless receiver 23: CPU

25: memory 27: control buffer

30: door lock motor 40; Ignition detection department

50: alarm generator 60: regulator

70: door open detection unit 80: ID change signal detection unit

The present invention for achieving the above object is mounted on the mobile terminal main body is supplied with power from the battery supplying power to the mobile terminal main body, the door opening and closing signal for transmitting a wireless signal for opening and closing the car door with a unique ID A transmitting module, comprising: a CPU which stores the unique ID in its own memory and periodically transmits a data signal including the unique ID; And a wireless transmitter connected to the CPU and generating a radio frequency corresponding to the data signal by receiving a data signal applied from the CPU and transmitting the radio frequency to the outside.

Here, the door open / close signal transmission module receives the radio signal transmitted and stores and registers the unique ID. When the same signal as the registered unique ID is received, the door switch is driven to an unlocked state. If the ID is not received, the door switch is driven in the locked state, and when the key position inserted in the ignition holder is in the ON and ACC states, the door is controlled to block the transmitted radio signal, and the unique ID switching signal for changing the unique ID When received, the main box that changes the stored unique ID is connected to enable communication.

Hereinafter, a preferred embodiment of the door open and close signal transmission module for automatically opening and closing the vehicle door according to the present invention will be described in detail with reference to the accompanying drawings.

1 is an exemplary embodiment of a vehicle in which a main terminal is connected to a mobile terminal having a door open / close signal transmission module according to the present invention, and FIG. 2 is a block diagram between the door open / close signal transmission module and the main box of the present invention. As shown in these drawings, in the present embodiment, the door open / close signal transmission module 10 is mounted inside the mobile terminal 1, and the door open / close signal transmission module 10 includes the door open / close signal transmission module 10. The main box 20 for operating the door switch 31 by receiving a radio signal transmitted from the is connected to enable wireless communication. The door open / close signal transmission module 10 of the present invention performs a function of transmitting a radio signal including a unique ID periodically (for example, 2 seconds).

The main box 20 has a door lock motor 30 which operates the door switch 31 by a driving signal applied from the main box 20 to perform the opening / closing operation of the car door 33, and a key inserted into the ignition holder. If the position is in the ON and ACC state, the ignition detection unit 40 for applying the IG detection signal to the main box 20 and the direction lamp driving signal applied to the main box 20 to drive the turn signal to the main box Alarm opening unit 50 for outputting an alarm sound by using a vehicle horn or its own siren according to the alarm generation signal applied to the 20, and door opening detection for detecting whether the door of the vehicle door 33 is opened. The unit 70 and the ID switch signal detecting unit 80 for storing the unique ID and changing the stored unique ID into a new unique ID are connected to the main box 20.

The door open / close signal transmission module 10 for transmitting a wireless signal for automatically opening and closing the car door 33 includes a CPU 13 and a wireless transmission unit 15, and includes a door open / close signal transmission module 10. The main box 20 communicatively connected includes a wireless receiver 21, a CPU 23, a memory 25, and a control buffer 27. The main box 20 is wirelessly connected to the door open / close signal transmission module 10 and receives a wireless signal transmitted from the door open / close signal transmission module 10 to obtain a unique ID of the specific door open / close signal transmission module 10. And when receiving the same signal as the stored unique ID serves to control to drive the door switch 31 in the unlocked state. At this time, in order for the unique ID to be stored in the main box 20, a unique ID switching signal preset to the ID switching signal detecting unit 80 connected to the main box 20 must be applied, and the ID switching signal detecting unit 80 is applied. After the unique ID switching signal is applied, the unique ID transmitted from the door open transmission module 10 may be registered.

Here, the unique ID switching signal may be set by the driver repeating an operation of reciprocating between the 'ON' state and the 'OFF' state of the ignition holder several times (for example, three times). In addition, when the new door opening and closing signal transmission module 10 is mounted, the unique ID of the door opening and closing signal transmission module 10 may be changed and registered by applying the unique ID switching signal as described above to the main box 20. . In the above-described embodiment, the unique ID switching signal is set by repeating between the ignition holder's ON state and the OFF state. Alternatively, the unique ID switching signal can be variously set, such as the operation of repeatedly locking or unlocking the door switch, not shown. have.

In addition, the main box 20 controls to drive the door switch 31 in the locked state if the same signal as the stored unique ID is not received within a predetermined time, and the IG I state ('ON' state) or IG of the ignition holder. When the II state ('OFF' state) is detected or the door open detection unit 70 detects that the vehicle door 33 is opened, the signal is transmitted from the specific door open / close signal transmission module 10 even if the same signal as the stored unique ID is received. Control to block the radio signal. In FIG. 1, the main box 20 is illustrated as being separated from the vehicle, but this is illustrated separately for clarity, and the main box 20 is installed inside the vehicle. Detailed description of the components constituting the above-described main box 20 will be described later with reference to FIG. 4.

The door lock motor 30 connected to the main box 20 drives the door switch 31 by a drive signal applied from the door open / close signal transmission module 10 to the main box 20 so that Perform the opening and closing operation. The ignition detection unit 40 is connected to the ignition holder (not shown). The ignition detection unit 40 determines the key position inserted in the ignition holder. When the key is located on the ignition holder or the ACC position, the IG detection signal is transferred to the main box 20. It performs the role of authorizing. The alarm generating unit 50 is connected to the main box 20 to drive a turn signal in accordance with a driving signal and an alarm signal generated by the main box 20 and generates an alarm sound using a car horn or its own siren. It performs the role of printing. In addition, when the door open detection unit 70 detects whether the car door 33 is opened and determines that the car door 33 is opened, the specific door open / close signal transmission module 10 may receive the same signal as the stored unique ID. It controls to block the radio signal transmitted from.

As shown in FIG. 2, the door open / close signal transmission module 10 mounted inside the mobile terminal 1 is mounted on the mobile terminal main body 3 to supply power to the mobile terminal main body 3. The battery 5 operates by being supplied with power. In the door open / close signal transmission module 10, when the power charged in the battery 5 mounted in the mobile terminal 1 is completely discharged, the door open / close signal transmission module 10 does not operate in preparation for the separate illustration. Auxiliary power supply can be installed further. The auxiliary power supply unit continues to charge while power is supplied from the battery 5, and then operates the door open / close signal transmission module 10 by using the charging power charged in the auxiliary power supply unit when the battery 5 is completely discharged. 33 can be opened and closed.

3 is a block diagram of a door open and close signal transmission module of the present invention. As shown in this figure, the door open / close signal transmission module 10 according to the present invention includes a CPU 13 and a wireless transmission unit 15, the wireless transmission unit 15 is an oscillator 151, phase locked loop ( 152, a loop filter 153, a voltage controlled oscillator 154, and a power amplifier 155.

The CPU 13 has a unique ID and controls to transmit a data signal including the unique ID periodically (for example, every 2 seconds) from the door open / close signal transmission module 10 to its own memory. At this time, the CPU 13 incorporates a timer (not shown) to periodically control the transmission of data including the unique ID.

The wireless transmitter 15 constituting the door open / close signal transmission module 10 is connected to the CPU 13 and generates a radio frequency corresponding to each signal by receiving data signals periodically input from the CPU 13. And transmits to the outside through the transmitting antenna. The radio transmitter 15 generates a predetermined frequency using the oscillator 151 for generating a stable frequency (eg, 400 MHz) and the reference frequency generated by the oscillator 151. If the frequency is high or low, the frequency is subtracted or added. Phase locked loop 152 to avoid the frequency change, loop filter 153 for filtering the frequency synthesized in the phase locked loop to minimize the phase error, voltage controlled oscillator 154 to generate a precise variable frequency, voltage controlled oscillator ( A power amplifier 155 is included to amplify the frequency generated in 154 and output a signal having a constant amplitude to improve transmission efficiency. In addition, the wireless transmitter 15 feeds the output terminal of the voltage controlled oscillator 154 to the phase locked loop 152 so that an error free frequency is generated.

Here, when configuring the power amplifier 155, the offset voltage and the gain coefficient should be adjusted using a general amplifier to prevent the modulation of the waveform. It is necessary to adjust the offset voltage and the gain coefficient because the duty ratio is changed when the on / off signal of a different amplitude is determined by the same offset size.

4 is an internal configuration diagram of a main box connected to communicate with the door open / close signal transmission module of the present invention. As shown in the figure, the main box 20 includes a wireless receiver 21, a CPU 23, a memory 25, and a control buffer 27. In addition, the main box 20 is connected to a regulator 60 for supplying a constant power to the main box 20 by using a car power source. The wireless receiver 21 constituting the main box 20 includes an RF amplifier 211, an RF filter 212, an oscillator 213, a filter 214, a mixer 215, a SAW filter 216, and an amplifier 217. ) And IF IC 218.

The radio receiver 21 receives a radio signal transmitted through the transmitter 10 through a receiving antenna and performs demodulation and digital conversion to an original signal. The RF amplifier 211 constituting the radio receiver 21 is amplified to improve the reception strength of the radio signal input through the receiving antenna, and the RF filter 212 is a signal amplified by the RF amplifier 211 Filter to pass only a certain band of frequencies and remove other frequencies.

In addition, the mixer 215 constituting the wireless receiver 21 converts the frequency filtered by the RF filter 212 and the frequency filtered by the filter 214 into a constant intermediate frequency, and the surface acoustic wave filter (SAW filter): 216 eliminates crosstalk and noise by passing only a frequency of a specific band at an intermediate frequency generated by the mixer 215. The amplifier 217 amplifies the intermediate frequency filtered by the SAW filter 216, and the intermediate frequency IC 218 demodulates the intermediate frequency amplified by the amplifier 217 into an original transmission frequency and converts it into a processable digital signal. do.

Here, the RF amplifier 211 is preferably designed to operate even if a part of the circuit including the active element, even if the performance is reduced, the oscillator 213 is a high frequency content if the oscillation output should be sufficient and stable It is desirable to implement this little frequency adjustment simply. In addition, the amplifier 217 for amplifying the intermediate frequency may allow the designer to amplify the intermediate frequency high or low, depending on the device to be implemented. In the case of amplifying the middle frequency high, the effect is improved by the incoming phenomenon and the characteristics of the transmission band frequency are improved.In the case of amplifying the middle frequency low, the sensitivity and stability are improved, and the single adjustment is easy. There is an advantage that the selectivity is improved. Therefore, it is more efficient to implement to amplify the intermediate frequency low in the present invention.

The CPU 23 is connected to the intermediate frequency IC 218, reads the digitally converted frequency data to determine whether it is a registered unique ID, controls the driving of the door lock motor 30 according to the determined result, and outputs an alarm. It transmits various control signals indicating whether or not. In addition, the CPU 23 transmits a door opening / closing signal when a unique ID switching signal (for example, a signal for repeating the on / off operation of the ignition holder) for ID registration and change is input through the ID switching signal detecting unit 80. It serves to register the unique ID of the module 10. The memory unit 25 is interconnected with the CPU 23, stores the unique ID of the door open / close signal transmitting module 10 applied from the CPU 23, and stores the ID according to the ID extraction instruction of the CPU 23. To the CPU 23.

The control buffer 27 is connected to the CPU 23 to protect the CPU 23 from various signals input from an external device, and to amplify a control signal applied from the CPU 23 to drive the external device. Play a supporting role. The data block stored in the control buffer 27 includes a door lock signal for driving the door switch 31 in the locked state, a door unlock signal for driving the door switch 31 in the unlocked state, and a door for detecting whether the door is opened. To generate information using the open detection signal, the IG detection signal for detecting the IG I state or the IG II state by detecting the state of the ignition holder, the turn signal driving signal for driving the turn signal, the car horn or its own siren. Alarm generation signal and unique ID switching signal for switching unique ID. Power required for driving the main box 20 is connected to the battery of the vehicle as described above is supplied through the regulator 60 to supply a stable power.

Hereinafter will be described in more detail on the basis of the accompanying drawings the operation relationship for the door opening and closing the vehicle door using the door opening and closing signal transmission module 10 according to the present invention.

First, the holder of the mobile terminal (1) equipped with the door open / close signal transmission module 10 according to the present invention, the main box 20 of the unique ID of the door open / close signal transmission module 10 installed in the mobile terminal 1 of the present invention. You must register at. To this end, when the unique ID switching signal set through the ID switching signal detection unit 80 connected to the main box 20 is input, the unique ID transmitted from the door open / close signal transmission module 10 is the main box 20. Is registered to. Since the door open / close signal transmission module 10 periodically transmits a radio frequency including its own ID to the outside as power is supplied, the wireless receiver 21 of the main box 20 receives the corresponding radio frequency and receives the CPU ( 23). However, all the radio frequencies transmitted from the door open / close signal transmission module 10 located within a certain range are applied to the CPU 23, but if the signal including the above-described unique ID is not detected, the radio frequency is ignored. Therefore, the main box 20 is set to be operated only by the unique ID of the door open / close signal transmission module 10, and when a signal for converting the unique ID is input to the ID change signal detection unit 80, a new door open / close signal transmission is performed. The unique ID according to the module 10 may be registered.

When a mobile terminal holder having a specific door open / close signal transmission module 10 enters within a predetermined range, the main box 20 receives a unique ID transmitted from the door open / close signal transmission module 10 and then the corresponding ID is entered. First, it is determined whether it is a registered unique ID. If the unique ID is not a registered unique ID, the corresponding signal is ignored, and in the case of the registered ID, the door unlock signal is sent to the control buffer 27 to control the door lock motor 30 to be driven. When the door unlock signal is applied, the door lock motor 30 drives the door switch 31 to operate the vehicle door 33 in an open state. At the same time, the main box 10 sends a driving signal and an alarm signal to the control buffer 27 to notify the outside that the vehicle door 33 is in an open state. For example, the mobile terminal 1 having the door open / close signal transmission module 10 is operated by driving the left / right direction light (for example, blinking twice) and generating an alarm sound (for example, two alarm sounds). The possessor can easily recognize that the automobile door 33 is in the open state.

On the contrary, when the holder of the specific door open / close signal transmission module 10 deviates from a certain range (eg, within 4 m) (when no radio frequency is detected from the specific door open / close signal transmission module 10), the main box 20 The mobile terminal holder having the door open / close signal transmission module 10 is considered to be out of the runner's position and sends a door lock signal to the control buffer 27 to inform the outside that the door 33 is in the locked state. For example, the holder of the mobile terminal 1 having the door open / close signal transmission module 10 by driving the left / right direction light (for example, blinking once) and generating an alarm sound (for example, one alarm sound). Can easily recognize that the car door 33 is in the locked state.

In addition, when the driver sits in the driver's seat with the mobile terminal 1 having the door open / close signal transmission module 10, even if the door switch 31 is manually or automatically locked, the main box 20 ), Since the unique ID registered from the door open / close signal transmission module 10 is continuously received, the door unlock signal is transmitted. Therefore, when the holder of the mobile terminal equipped with the door open / close signal transmission module 10 is in the vehicle, the door unlock state continues. To solve this problem, when the IG detection signal is applied from the control buffer 27, the main box 20 ignores the signal even if a unique ID of the door open / close signal transmission module 10 registered thereafter is received. When the door switch 31 is locked, either manually or automatically during operation, the current state is maintained without driving the door switch 31 in the open state. In addition, when the driver is out of a certain range while the vehicle door 33 is opened, the driver may maintain the current state without driving the car door 33 in the locked state even if the registered ID is not received. The IG detection signal is detected by the ignition detection unit 40 connected to the ignition holder, and the IG detection signal is detected when the driver rotates the key to the ON or ACC state while the driver inserts the key into the ignition holder.

The above descriptions are merely illustrative of one embodiment, and the present invention is not limited to the above-described embodiments, and various modifications can be made within the appended utility model registration claims. For example, the shape and structure of each component specifically shown in the embodiment of the present invention can be modified.

As described above, according to the door open / close signal transmission module according to the present invention, the door open / close signal transmission module for transmitting a radio signal to remotely open and close the car door in the mobile terminal possessed by the majority of the driver Reduce the hassle of carrying a separate remote control to open and close the door, and has the effect of automatically opening and closing the car door without the hassle of replacing the battery frequently.

In addition, according to the door opening and closing signal transmission module of the present invention, if the mobile terminal holder equipped with the door opening and closing signal transmission module enters within a certain range without manually opening and closing the car door, the door is automatically kept unlocked, and the door When the mobile terminal holder equipped with the open / close signal transmission module is out of a certain range, the door can be automatically kept locked so that the door can be automatically opened and closed.

In addition, when the mobile terminal holder equipped with the door open / close signal transmission module of the present invention is seated in the driver's seat, the key position of the ignition holder is determined to detect that the key is in the IG state. By ignoring, there is an effect of preventing the door switch from automatically unlocking during operation.

Claims (3)

In the door opening and closing signal transmitting module mounted on the mobile terminal main body receives power from a battery for supplying power to the mobile terminal basic body, has a unique ID and transmits a radio signal for opening and closing the vehicle door, A CPU which stores the unique ID in its own memory and periodically transmits a data signal including the unique ID; And a wireless transmitter connected to the CPU and configured to receive a data signal applied from the CPU, generate a radio frequency corresponding to the data signal, and transmit the radio frequency to the outside. According to claim 1, wherein the door opening and closing signal transmission module Receiving the transmitted radio signal and storing and registering the unique ID, and when the same signal as the registered unique ID is received, the door switch is driven to the unlocked state, and if the registered ID is not received, the door switch is locked When the key position inserted in the ignition holder is in the ON and ACC state, the radio signal is sent out, and when the unique ID change signal for changing the unique ID is received, the stored unique ID is controlled. Door open and close signal transmission module, characterized in that the main box is connected to enable communication. The method of claim 1, The door open / close signal transmission module may further include an auxiliary power supply unit configured to charge when power is supplied from the battery to the mobile terminal basic body, and to open and close the vehicle door by using the charged power when the battery is discharged. Door open / close signal transmission module.