JPH06180787A - On-vehicle acoustic equipment device - Google Patents

Abstract

PURPOSE:To provide the superior on-vehicle acoustic equipment device equipped with a more complete burglarproof by detecting a user forgetting to detach or leave the device after detaching it. CONSTITUTION:This device is equipped with an ACC sensor 10 which detects the accessory power source of the vehicle being turned ON and OFF and generates an ACC-ON or ACC-OFF detection signal, a DCP sensor 9 which detects whether or not a detachable operation part is detached from an equipmeint body 1 and generates a detachment or nondetachment detection signal, an alarming means 11 which generates an alarm, and a control means 12 which makes the alarming means generate the alarm in response to the ACC-OFF detection signal or nondetachment detection signal.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an on-vehicle audio equipment device such as an on-vehicle audio device and, more particularly, to an anti-theft on-vehicle audio equipment device.

[0002]

2. Description of the Related Art Generally, a so-called take-away method is known as a method for removing the entire on-vehicle audio equipment from the vehicle as a means for preventing the on-vehicle audio equipment from being stolen. However, in this method, when the user carries the audio device away from the vehicle, the external shape of the device is large and the weight is heavy, which makes it difficult to carry and the removal work of the device is complicated, and the audio device is not carried. In many cases, it was not suitable for anti-theft measures.

Therefore, conventionally, there has been proposed an on-vehicle audio equipment device by an operation section attachment / detachment method in which only an operation section having an operation button of the apparatus is removed from the apparatus body side by a simple attachment / detachment operation. In this system, a detachable operation unit is attached to the device body, and when the user leaves the vehicle, only the operation unit can be removed and carried.

That is, according to the above method, an excellent antitheft effect can be secured only by carrying a light and compact operation unit which is convenient for carrying. There is a tendency that the demand for the operation section attaching / detaching method having such advantages is increasing, and various types of the detachable operation section have been developed.

For example, a detachable operation unit having the same size as the front panel of the audio equipment has been proposed. Such a detachable operation unit can completely disable the operation of the device body if the user removes the detachable operation unit from the device body. Moreover, no operation buttons or the like for recognizing the audio device are provided on the front surface of the device body in the vehicle. Therefore, the existence of the device body itself can be camouflaged, the device body is less likely to be subjected to a theft accident, and an excellent antitheft effect can be exerted.

[0006]

However, in the above-described conventional on-vehicle audio equipment device with the detachable operation portion, when the user leaves the vehicle, if the user forgets to remove the operation portion, a theft prevention function is provided. There was a problem that it could not be utilized.

Further, if the operating portion is removed, but it is left on the seat or the like in the vehicle, there is a problem that the risk of theft is increased.

The present invention solves such a conventional problem and provides an excellent on-vehicle audio equipment device having a more complete anti-theft function by detecting a user's forgetting to remove or misplacement after removing. The purpose is to provide.

[0009]

A first invention for achieving the above object is to provide an ACC sensor for detecting ON / OFF of an accessory power supply of a vehicle to generate an ACC ON or ACC OFF detection signal, and an apparatus. A DCP sensor that detects the presence or absence of removal of the operation unit from the main body and generates a detection signal with or without removal; and a warning notifying unit that gives a warning.
And a control unit for informing the warning informing unit of the alarm in response to the detection signal indicating that the ACC is off and the detection signal indicating that the ACC is not removed.

A second aspect of the invention for achieving the above object is to provide a DCP sensor for detecting the presence / absence of removal of an operation unit from a device body and generating a detection signal with or without removal, and a device body. Distance detecting means for detecting distance,
A warning notifying unit for notifying a warning, and a control unit for causing the warning notifying unit to give a warning when the distance is within a predetermined constant distance after receiving the detection signal indicating the removal It has a different structure.

[0011]

According to the present invention, when the ACC-OFF detection signal and the non-removal detection signal are received, the present invention determines that the user is leaving the vehicle and issues a warning. It is possible to prevent forgetting to remove the operation unit.

Further, after the detachable operation unit is removed from the device body, a warning is issued when the detachable operation unit is within a certain distance from the device body, so that the user removes the detachable operation unit from the inside of the vehicle. You can prevent it from being left behind.

[0013]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows a detachable operation unit (hereinafter referred to as "DCP: D
FIG. 2 is a perspective view of the on-vehicle audio equipment device in a state where an “etachable Control Panel” is removed from the equipment body.

In FIG. 1, reference numeral 1 denotes a device body. The device body 1 is fixed to a vehicle (not shown), and a DCP 2 is detachably attached to the front surface of the device body 1.

As shown in FIG. 1, the DCP 2 has an operation panel 3 on the front surface thereof. The operation panel 3 has a plurality of operation keys 4 and a display 5 for displaying operation contents of these operation keys 4 and the like. Inserting ports 6 for inserting a recording medium such as a CD into the device body 1 are provided respectively, and an inserting port 1a is also formed on the front surface of the device body 1 at a position corresponding to the inserting port 6 described above. .

The DCP 2 has a device body 1 at one end thereof.
When the DCP 2 is detached from the device main body 1, the lock portion is first released when the DCP 2 is detached from the device body 1 with the engagement hole engageably engageable with the engagement protrusion 1b of FIG. After that, the DCP 2 can be removed from the device body 1 after rotating the DCP 2 around the locking protrusion 1b.

The device body 1 is provided with a DCP detection switch 8 for detecting the release of the lock portion, and a DCP sensor 9 for detecting a state where the DCP 2 is completely separated from the device body 1.

FIG. 2 is a schematic block diagram of the DCP 2 of FIG. 1 in the configuration of the first embodiment of the vehicle audio equipment according to the present invention. In FIG. 2, reference numeral 9 is a DCP sensor for detecting the removal of the DCP from the device body 1, as shown in FIG. 1, and is ON when the DCP is attached to the device body and is ON when the DCP is removed. Turns off.
When the DCP sensor 9 is on, a high level "H""non-removal detection signal" is generated, and when the DCP sensor 9 is off, a low level "L""removal detection signal" is generated.

Reference numeral 10 denotes a vehicle ACC (accessory) sensor, which is a sensor for detecting power supply to accessories such as a vehicle clock, cigarette lighter, door switch, and radio. The ACC sensor 10 is turned on when an ignition key (not shown) of the vehicle is inserted and generates an ACC on detection signal "H", and is turned off when the ignition key is removed to detect ACC off. A sensor that produces a signal "L". Therefore, AC
In the case of the C-off detection signal “L”, it means that the user has left the vehicle.

Reference numeral 5 denotes the display device shown in FIG. 1, which displays the states of the device body 1 and the DCP 2 in accordance with the operation. Reference numeral 11 is a buzzer as a warning notification means for issuing a warning for theft prevention. Further, 12 is a CPU as a control means,
Receiving signals from the DCP sensor 9 and the ACC sensor 10 to control the display 5 and the buzzer 11,
The operation input is supplied to the device body 1.

Next, the operation of the configuration of the first embodiment shown in FIG. 2 will be described with reference to the flow chart executed by the CPU 12 shown in FIG. First, it is determined whether or not the detected signal is an ACC ON detection signal (step S11). ACC
If it is an off detection signal, it is determined whether or not a detection signal indicating that the detachment has been received from the DCP sensor 9 (step S
12) If the detection signal indicating the removal is not received, a warning process for urging the user to remove is performed (step S13). It is determined whether or not the warning process has passed for 5 seconds (step S14), and if it has passed, this routine ends.

As this warning processing, in addition to ringing the buzzer 11 that gives a warning, as shown in FIG.
When the user goes out of the vehicle by displaying the characters such as “FACE” that prompts the user to remove the DCP,
It is possible to prevent forgetting to remove CP2.

Next, a second embodiment of the present invention will be described.

FIG. 5 is a block diagram showing the configuration of the second embodiment, showing the internal configuration of the device body 1 and DCP 2 in FIG. In the device body 1 of FIG. 5, reference numeral 21 is a body CPU that controls the device body 1. Two
Reference numeral 2 denotes a front operation unit switch which is connected to the DCP 2 via the connector 1a, takes in code information from the DCP 2 into the main body CPU 21, and sends out display information and the like of the state of the device main body 1 to the DCP 2. 23 is a connector 1b and 2b
Is a sensor input unit that is connected to the DCP2 and relays various detection signals from the DCP2 to the CPU21. 24 is C
It is a sensor output unit that modulates the forget-to-go warning signal from the PU 21 into a high-frequency radio wave, emits it from the antenna 1c, and transmits it to the DCP 2. Further, 25 is a control unit for controlling the input interface.

On the other hand, in the DCP2 of FIG. 5, 26 is D
CP2 is controlled, and the device main body 1 is connected by the connector 2a.
A CPU, which is a DCP control unit that is connected to the CPU 21 to exchange signals with the CPU 21, 27 is a display unit, 28 is a key operation unit, and 29 is a distance setting switch (which will be described later). Reference numeral 30 is a battery for supplying power to each part of the DCP 2, and reference numeral 31 is a buzzer as a warning notifying means for issuing a confirmation sound in response to a key operation and issuing a warning to the user. Reference numeral 32 denotes a sensor output unit connected to the sensor input unit 23 of the device body 1 by the connector 2b. 33
Is a sensor input unit that receives the radio wave that carries the forget-to-hold warning signal transmitted from the sensor output unit 24 of the device body 1.
The sensor input unit 33 detects the strength of the received radio wave, generates distance information with the device body 1, and outputs the CPU 26 with the information.
It functions as a distance detecting means to supply to. Reference numeral 34 denotes a DCP forget-to-hold warning switch for stopping the ringing of the buzzer 11.

Next, the operation of the configuration of FIG. 5 will be described with reference to the operation flowchart of the DCP 2 shown in FIG. First, it is determined whether or not POWER is on (step S21). If not, the lock portion is released and the DCP detection switch 8 is off. In this case, D to prompt the user to remove the DCP
It is determined whether or not the CP attachment / detachment warning is in progress (step S22), and if not in progress, the DCP attachment / detachment warning is started (step S23).

Next, it is determined whether or not the DCP2 is removed.
If it is determined by the sensor 9 (step S24) and it is completely removed, the DCP forgetting warning is started (step S25). That is, the buzzer 11 is activated to prompt the user to carry the DCP. In this case, whether or not the distance between the device body 1 and the DCP 2 is within a certain distance is determined based on the distance information obtained from the sensor input unit 33 (step S26). If you are within a certain distance,
It is determined whether or not the DCP forgetting warning switch 34 is set to 0FF (step S27). This switch 34 is O
If it is not FF, it is determined whether or not a predetermined time has passed (step S28), and if it has not passed, step S
The process proceeds to step 26 and the warning process is continued.

When the predetermined time has elapsed in step S28, the DCP forgetting warning is ended (step S26). This is to prevent the DCP2 battery 30 from being consumed. In step S26, the device body 1
Although the warning is ended even when the distance between and is not within the fixed distance, the fixed distance is a distance at which the DCP 2 is assumed to exist in the vehicle, and is usually about 1 m. However,
Since the distance that is assumed to exist depends on the type of vehicle, this fixed distance can be set by the distance setting switch 29 of FIG.

Therefore, when the DCP 2 is taken out of the vehicle and the distance from the device body 1 becomes long, the DC
The P forgetting warning is ended (step S29). Also,
When the DCP forgetting warning switch 34 is set to 0FF in step S27, the warning is forcibly stopped, and as a result, this warning processing routine is ended.

As described above, in the second embodiment, when the user removes the DCP 2, it is possible to prevent the DCP 2 from being forgotten by issuing a warning and prompting the user to take it out.

[0032]

As described above, according to the present invention, A
When the CC off detection signal and the non-removal detection signal are received, a warning is issued when the user decides that the user is leaving the vehicle, so it is possible to prevent forgetting to remove the detachable operation unit from the device body, and more complete The effect of having an anti-theft function is obtained.

After the detachable operation unit is removed from the device body, a warning is issued when the detachable operation unit is within a certain distance from the device body, so that the user removes the detachable operation unit from the inside of the vehicle. There is an effect that it can be prevented from being left behind and have a more complete antitheft function.

[Brief description of drawings]

FIG. 1 is a perspective view of an audio equipment device in a state where a detachable operation unit according to the present invention is detached from an equipment body.

FIG. 2 is a schematic block diagram of the DCP of FIG. 1 in the configuration of the first embodiment of the vehicle-mounted audio equipment device according to the present invention.

FIG. 3 is a flowchart showing the operation of the DCP CPU in FIG.

FIG. 4 is a diagram showing an example of a warning displayed on the display unit of the DCP.

FIG. 5 is a block diagram showing a configuration of a second embodiment of the vehicle-mounted audio equipment device of the present invention.

6 is a flowchart showing the operation of the CPU of the DCP in FIG.

[Explanation of symbols]

 1 Device Main Body 2 Detachable Operation Section (DCP) 5 Display Section 8 DCP Detection Switch 9 DCP Sensor 10 ACC Sensor 11 Buzzer (Warning Notification Means) 12 CPU (Control Means) 26 CPU (Control Means) 31 Buzzer (Warning Notification Means) 33 Sensor input section (distance detection means)

Claims (2)

[Claims] 1. An in-vehicle audio device equipped with a detachable operation unit that can be attached to and detached from a device main body fixed in a vehicle, wherein AC is detected by detecting ON / OFF of an accessory power supply of the vehicle.
An ACC sensor that generates a C-on or ACC-off detection signal, and a DCP that detects the presence or absence of removal of the operation unit from the device body and generates a detection signal with or without removal.
An in-vehicle device, comprising: a sensor; a warning notifying unit for notifying a warning; and a control unit for notifying the warning notifying unit of the warning in response to the ACC off detection signal and the non-removal detection signal. Audio equipment equipment. 2. An in-vehicle audio device equipped with a detachable operation unit that is detachable from a device body fixed in a vehicle, wherein the presence or absence of removal of the operation unit is detected from the device body. DCP to generate detection signal without removal
When a distance is within a preset constant distance after receiving a detection signal indicating that there is a sensor, a distance detection unit that detects a distance from the device body, a warning notification unit that notifies a warning, and the removal A vehicle-mounted audio equipment device, comprising: a control unit configured to notify the warning to the warning notification unit.