JP2004110639A - Alarm device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent alarm more than required when a user such as a driver can get off a vehicle. <P>SOLUTION: An alarm device 1 is provided with a storage part 18 which stores a position where the driver supposed to leave the vehicle for a long period of time as a registered position, a GPS (global positioning system) reception part 10 which receives a GPS signal indicating the current position of the vehicle and an IC card insertion detection part 14 which detects whether or not an IC card 104 is inserted into an ETC (electronic toll collection) device 100. Then, the alarm device 1 raises an alarm in the case that the IC card 104 is inserted into the ETC device 100 when the vehicle stops at the registered position. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a notification device for preventing a portable electronic device or a recording medium from being left behind in a vehicle.
[0002]
[Prior art]
2. Description of the Related Art In recent years, in-vehicle devices such as an audio device, a car navigation device, an automatic toll collection (ETC) device, and a hands-free communication device have been installed in a cabin of an automobile or the like. A user such as a driver usually uses a connection of a recording medium or a portable electronic device to these in-vehicle devices. For example, an IC card for recording billing information or the like is inserted into the ETC device, and a mobile phone is connected to the hands-free communication device.
[0003]
Recently, a number of techniques have been proposed for issuing an alarm for preventing theft when a driver connects a recording medium or a portable electronic device to an in-vehicle device or when the driver may leave the vehicle. For example, a technology has been proposed in which, when an engine of a vehicle is stopped while an IC card is inserted in an ETC device, a warning is issued to prevent forgetting to remove the IC card (for example, Patent Documents 1 to 3). 3). Further, for example, a technology has been proposed in which a warning is issued when a door is opened or closed or an ignition key is removed while a mobile phone is connected to a hands-free communication device (for example, see Patent Reference 4).
[0004]
[Patent Document 1]
JP 2000-315267 A [Patent Document 2]
JP 2001-14500 A [Patent Document 3]
JP 2001-297348 A [Patent Document 4]
JP-A-10-315876
[Problems to be solved by the invention]
However, as in the above-described related art, when an alarm is issued whenever the driver is likely to leave the vehicle, the driver may be troublesome. Specifically, when the driver leaves the vehicle for a short time for shopping or the like, the possibility of theft of a portable electronic device or the like is not affected even if the electronic device is connected to the on-vehicle device. Relatively low, the warnings issued in such a case are annoying to the driver.
[0006]
The present invention has been made in view of the circumstances described above, and has as its object to provide a notification device that can prevent an unnecessary notification when a user such as a driver can get off a vehicle. .
[0007]
[Means for Solving the Problems]
In order to achieve the above object, the invention according to claim 1 comprises a storage means for storing a preset position as a set position, and when the vehicle is estimated to have stopped, the current position of the vehicle And a notification device for notifying that an object to be prevented from being left behind in the vehicle compartment is connected to or mounted on the in-vehicle device when the position substantially coincides with the set position.
[0008]
According to a second aspect of the present invention, in the first aspect of the present invention, the set position is a position at which a driver of the vehicle can leave the vehicle for a long time when the vehicle stops. It is characterized by being.
[0009]
The invention according to claim 3 is the invention according to claim 1, further comprising means for receiving positioning information by GPS, and estimating a current position based on the positioning information.
[0010]
According to a fourth aspect of the present invention, in the first aspect of the present invention, the object is a recording medium, and the on-vehicle device includes a reading unit that reads data recorded on the recording medium. It is characterized by.
[0011]
According to a fifth aspect of the present invention, in the fourth aspect of the present invention, the in-vehicle device includes a writing unit that writes data to the recording medium, and the writing unit writes data to the recording medium. In addition, when the power supply for the accessory of the vehicle is cut off, a notification is given.
[0012]
According to a sixth aspect of the present invention, in the first aspect of the invention, the object is a mobile phone.
[0013]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
<First embodiment>
In the present embodiment, an example of an alarm device that issues an alarm for preventing the vehicle from being left behind when the driver may get off the vehicle while the IC card is inserted in the ETC device will be described.
[0014]
FIG. 1 is a block diagram showing a functional configuration of the alarm device 1 according to the present embodiment. In FIG. 1, a control unit 10 includes a CPU (Central Processing Unit) and controls each unit. The power supply monitoring unit 12 monitors the state of power supply to the ETC device 100. More specifically, driving power is supplied to the ETC device 100 from an ACC power supply (not shown) which is a power supply for an ACC (accessory) of the vehicle, and the power supply monitoring unit 12 outputs a voltage value of the ACC power supply. Is measured, and ON / OFF of power supply to the ETC device 100 is detected. Thus, it is detected whether the driver or the like has operated the engine key (ignition switch) to turn off the ACC power. The alarm device 1 is also supplied with power from a + B power supply (not shown) in addition to the power from the ACC power supply, so that power is supplied even when the ACC power supply is turned off. .
[0015]
The IC card insertion detection unit 14 detects whether or not the IC card 104 is inserted in the read / write unit 102 provided in the ETC device 100, and outputs a detection result to the control unit 10.
[0016]
The GPS receiving unit 16 receives a GPS (Global Positioning System) signal including positioning information from the GPS satellite 110 and outputs the signal to the control unit 10. The control unit 10 estimates the current position of the vehicle based on the GPS signal. In order to improve the estimation accuracy of the current position, a configuration may be used in which a vehicle speed pulse or a gyro sensor is used in combination, or a configuration in which the current position is corrected according to correction data from a GPS correction station installed on the ground. Is also good.
[0017]
The storage unit 18 includes a storage device such as a hard disk device, and stores a control program executed by the control unit 10 and various data. Here, these data include registered position data. The registered position data is data indicating a position where the driver will leave the vehicle for a long time when the vehicle stops at that position, and is registered in advance by the driver or the like. The registered location data includes, for example, the location of the driver's home and the location of the workplace.
[0018]
The operation unit 20 includes a plurality of operators operated by a driver or the like, and is used, for example, for registering registration position data. The display unit 22 includes, for example, a liquid crystal panel and a liquid crystal drive circuit, and displays various information under the control of the control unit 10. The sound emitting unit 24 includes a speaker or the like, and emits a warning sound under the control of the control unit 10.
[0019]
Next, the operation of the alarm device 1 will be described. FIG. 2 is a flowchart showing a processing procedure executed by the control unit 10 of the alarm device 1. As shown in this figure, when power is supplied to the own device 1, the control unit 10 intermittently determines whether or not the ACC power is turned off in order to detect whether or not power is being supplied to the ETC device 100. (Step Sa1). If the result of this determination is NO, it is presumed that the driver will not get off, so the control unit 10 returns the processing procedure to step Sa1. On the other hand, if the decision result in the step Sa1 is YES, it means that the vehicle has been stopped, and it is estimated that the driver may get off. Therefore, the control unit 10 executes the following processing to prevent the IC card 104 from being left behind. That is, the control unit 10 estimates the current position from the GPS signal received by the GPS receiving unit 16 (step Sa2), and determines whether or not the current position substantially matches the registered position (step Sa3). If this determination result is NO, it means that the vehicle is stopped at a position other than the position registered by the driver, and it is estimated that the vehicle will return in a short time even if the driver gets off. 10 ends the processing. On the other hand, if the decision result in the step Sa3 is YES, since the driver is assumed not to return for a long time, the control unit 10 executes the following processing to prevent the IC card 104 from being left behind. Execute.
[0020]
That is, the control unit 10 determines whether or not the IC card 104 is inserted into the ETC device 100 according to the detection result of the IC card insertion detection unit 14 (Step Sa4). If the determination result is NO, the control section 10 ends the process because the IC card 104 has already been removed. On the other hand, if the decision result in the step Sa4 is YES, the control section 10 causes the sound emitting section 24 to emit a warning sound to notify the driver of forgetting to remove the IC card 104 (step Sa5), The process ends.
[0021]
As described above, according to the present embodiment, the warning sound for preventing misplacement is issued because the vehicle stops at the position where the driver or the like is estimated to leave the vehicle for a long time, and the ETC device 100 Only when the ACC power supply is turned off while the IC card 104 is inserted. Therefore, when it is not necessary to issue a warning for crime prevention such as the driver leaving the car for a short time, it is possible to prevent the warning from being issued.
[0022]
<Second embodiment>
In the above-described first embodiment, the device that emits a warning sound to prevent the IC card 104 from being left behind has been described. However, if the driver or the like attempts to remove the IC card 104 from the ETC device 100 in a casual manner in response to the generation of the warning sound, the IC card 104 is damaged if the ETC device 100 is accessing the IC card 104. There is fear. Therefore, in the present embodiment, an alarm device that can appropriately notify the timing of extracting a recording medium such as the IC card 104 from the vehicle-mounted device will be described.
[0023]
FIG. 3 is a block diagram showing a functional configuration of the alarm device 1 'according to the present embodiment. As shown in this figure, the alarm device 1 ′ is significantly different from the alarm device 1 of the first embodiment in that a read A / write detection unit 30 is provided and a power control unit 32 is used instead of the power monitoring unit 12. It is a point provided. The read / write detection unit 30 detects whether the read / write unit 102 of the ETC device 102 is reading data from or writing data to the IC card 104, and outputs a detection result to the control unit 10. is there.
[0024]
The power control unit 32 controls the power supplied to the ETC device 100. More specifically, two power supplies, an ACC power supply 120 and a + B power supply 122, are electrically connected to the power supply control unit 32. When the ACC power supply 120 is on, the ACC power supply 120 A logic circuit is provided for supplying power to the ETC device 100 while supplying power from the + B power source 122 to the ETC device 100 when the ACC power supply 120 is turned off while supplying power to the ETC device 100. Note that a period during which power from the + B power supply 122 is supplied to the ETC device 100 is controlled by the control unit 10. That is, when the ACC power supply 120 is turned off, the power from the + B power supply 122 is supplied to the ETC device 100 until instructed by the control unit 10, so that the read / write unit 102 accesses the IC card 104 During the operation, the power supply to the ETC device 100 is prevented from being stopped.
[0025]
Next, the operation of the alarm device 1 'according to the present embodiment will be described. FIG. 4 is a flowchart showing a processing procedure of the alarm device 1 '. As shown in this figure, the control unit 10 of the alarm device 1 'intermittently determines whether or not the ACC power supply 120 has been turned off (step Sb1). If this determination result is NO, the control unit 10 The process returns to step Sb1. On the other hand, if the decision result in the step Sb1 is YES, the control section 10 decides whether or not the read / write section 102 is accessing the IC card 104 (step Sb2). If the determination result is YES, the control unit 10 generates a warning sound for preventing the IC card 104 from being removed for a predetermined time (step Sb3), and determines whether the access has been completed. The process returns to step Sb2 for detection. With these processes, when the ACC power supply 120 is turned off and the read / write unit 102 is accessing the IC card 104, a warning sound is emitted to prevent removal. Note that, instead of issuing a warning sound, a notification for preventing the IC card 104 from being pulled out may be given by, for example, displaying a message such as “Accessing the IC card” on the display unit 22.
[0026]
When the result of the determination in step Sb2 is NO, the control unit 10 performs a process for preventing the IC card 104 from being left behind. That is, the control unit 10 estimates the current position from the GPS signal received by the GPS receiving unit 16 (Step Sb4), and determines whether or not the current position substantially matches the registered position (Step Sb5). If the result of this determination is NO, it is estimated that the vehicle will return in a short time even if the driver gets off, so the control unit 10 ends the process. On the other hand, if the decision result in the step Sb5 is YES, since the driver is assumed to leave the vehicle for a long time, the control unit 10 executes the following processing to prevent the IC card 104 from being left behind. Execute.
[0027]
That is, the control unit 10 determines whether or not the IC card 104 is inserted into the ETC device 100 according to the detection result of the IC card insertion detection unit 14 (Step Sb6). If the determination result is YES, the control unit 10 causes the sound emitting unit 24 to emit a warning sound in order to notify the driver of forgetting to remove the IC card 104 (step Sa7), and then the IC card The process returns to step Sb6 to detect whether 104 has been extracted. If the IC card 104 is not inserted (step Sb6: NO), there is no need to issue a warning, so the control unit 10 controls the power supply control unit 32 to supply power from the + B power supply 122 to the ETC device 100. Is stopped (step Sb8), and the process ends.
[0028]
As described above, according to the present embodiment, when the ACC power supply 122 is turned off while the ETC device 100 is accessing the IC card 104, that is, when the driver gets off, the IC card 104 is unplugged. If there is a possibility that an alarm will be issued, an alarm is issued to prevent the extraction. Therefore, when the ETC device 100 is accessing the IC card 104, it is possible to prevent the driver from inadvertently pulling out the IC card 104. Furthermore, after the access by the alarm device 1 'is completed, if the IC card 104 is still inserted and the stop position of the vehicle is the registration position, that is, the position where the driver will leave the vehicle for a long time. In this case, an alarm is issued to prevent misplacement.
[0029]
<Modification>
Each of the above-described embodiments is merely an example, and can be arbitrarily modified within the scope of the present invention. Therefore, a modified example of each embodiment will be described below.
[0030]
(1) In each of the above-described embodiments, the configuration using the GPS to acquire the current position of the vehicle has been exemplified. However, the present invention is not limited to this. For example, a mobile phone or a PHS (Personal Handy Phone) may be used. good.
[0031]
(2) In each of the above-described embodiments, the configuration for detecting whether the ACC power supply 110 has been turned off has been exemplified in order to determine whether the driver can get off the vehicle. However, the present invention is not limited to this. For example, the determination may be made based on a configuration that detects opening / closing of a door on the driver's seat side, a configuration that detects whether a parking brake is applied, or a configuration that detects whether there is a person in the driver's seat. .
[0032]
(3) In each of the embodiments described above, the configuration in which the alarm sound is emitted from the sound emitting unit 24 has been described as an example. However, the configuration is not limited to this, and any configuration may be used as long as it can notify a user such as a driver. Is also good. For example, the display unit 22 may be configured to display a message indicating a warning.
[0033]
(4) In each of the above-described embodiments, the ETC device 100 is exemplified as the in-vehicle device, but the present invention is not limited to this, and a car audio device, a car navigation device, a hands-free communication device, or the like may be used. When the in-vehicle device is a hands-free communication device, the target of the misplacement prevention is a mobile phone. In this case, as shown in FIG. 3, data communication between the hands-free communication device 200, which is an in-vehicle device, and the mobile phone 106, which is a portable electronic device, can be performed by short-range wireless communication based on, for example, the Bluetooth standard. The connection may be made, or the connection may be made by wire. In this configuration, the alarm device 1 ″ includes a connection detection unit 40 that detects a communication state of a communication unit 202, which is a communication interface with the mobile phone 106 of the hands-free communication device 200. It is detected whether the communication device 200 is communicably connected. Then, as described in each embodiment, if the vehicle is stopped at the registration position and the driver can get off, if the mobile phone 106 is communicably connected, the alarm device 1 ′ Will issue an alarm.
[0034]
(5) In the above-described embodiment and each modified example, the alarm devices 1, 1 ′, and 1 ″ have been described as being configured separately from the on-vehicle devices (for example, the ETC device 100). However, the configuration is not limited thereto. A configuration incorporated in an in-vehicle device may be used.
[0035]
(6) In each of the above-described embodiments, in order to increase the convenience of the user when registering a registered position, map data is stored in the storage unit 18, and when the user registers a predetermined position, the map data is stored. May be displayed on the display unit 22 and the position designated on the map by the user may be acquired as the registered position.
[0036]
【The invention's effect】
As described above, according to the present invention, there is provided a notification device that can prevent an unnecessary notification when a user such as a driver can get off a vehicle.
[Brief description of the drawings]
FIG. 1 is a diagram showing a configuration of an alarm device according to a first embodiment of the present invention together with peripheral components.
FIG. 2 is a flowchart for explaining the operation of the alarm device.
FIG. 3 is a diagram showing a configuration of an alarm device according to a second embodiment of the present invention together with peripheral components.
FIG. 4 is a flowchart for explaining the operation of the alarm device.
FIG. 5 is a diagram showing a configuration of an alarm device according to a modification of the present invention together with peripheral components.
[Explanation of symbols]
1 ', 1''alarm device 10 control unit 12 power monitoring unit 14 IC card insertion detection unit 16 GPS reception unit 18 storage unit 30 read / write detection unit 32 power control unit 40 connection detection unit 100 ETC device 104 IC card 106 mobile Phone

Claims (6)

A storage unit for storing a preset position as a set position,
When the current position of the vehicle substantially matches the set position when it is estimated that the vehicle has stopped, if an object to be prevented from being left behind in the vehicle compartment is connected to or mounted on the vehicle-mounted device. A notifying device for notifying. The setting position is
The notification device according to claim 1, wherein when the vehicle is stopped, the vehicle is at a position where a driver of the vehicle can leave the vehicle for a long time. Further comprising means for receiving positioning information by GPS;
The notification device according to claim 1, wherein a current position is estimated based on the positioning information. The object is a recording medium,
The notification device according to claim 1, wherein the in-vehicle device includes a reading unit that reads data recorded on the recording medium. The in-vehicle device includes a writing unit that writes data to the recording medium,
5. The notifying device according to claim 4, wherein when the writing unit is writing data to the recording medium, a notification is also made when an accessory power supply of the vehicle is cut off. The notification device according to claim 1, wherein the object is a mobile phone.

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