JP2004237829A - In-vehicle device and communicating device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To promptly inform the occurrence of emergency to the outside, and to ensure safety in a vehicle, when the emergency occurs in the vehicle such as a taxi. <P>SOLUTION: In the case of emergency such as burglary breaks in a taxi occurs, when a taxi passenger pushes down an emergency switch 102, an emergency information generating portion 103 generates emergency information for informing the occurrence of the emergency, and an informing portion 101 radio-sends to, for example, a management center of a taxi company. A voice output control portion 106 controls a voice output portion 105 in a mute state, so that the management center of the taxi company can radio-send instructions of the taxi company to the other taxi without making the instructions heard by the burglar. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a vehicle management technique mainly for an AVM system (Automatic Vehicle Monitoring System) for a taxi company and a mobile station management and monitoring system.
[0002]
[Prior art]
In the conventional system, even if the mobile station (vehicle) notifies the center system of the emergency state, the current position and the state of the mobile station are grasped. An example of monitoring the state inside a mobile station vehicle is disclosed in Japanese Patent Application Laid-Open No. H11-321566. This is for the purpose of searching for a stolen vehicle by transmitting a still image to the center device by an in-vehicle camera.
[0003]
[Patent Document 1]
JP-A-11-321566
[Problems to be solved by the invention]
When the center system recognizes the occurrence of an emergency in a mobile station (for example, a burglary breaks into a vehicle), an emergency occurs due to the use of wireless, even if another vehicle is instructed to confirm the situation by wireless. Since the sound of the instruction content also flows through the wireless device in the vehicle, the detailed instruction cannot be given without using only encryption or the like.
[0005]
In a taxi, when an emergency occurs, a flashing light (a light provided on the taxi roof) is used to notify the occurrence of the emergency, but in this case, a third party looks at the light. In most cases, the police will notify the police after they realize that an emergency has occurred.
[0006]
Further, the situation inside the vehicle where the emergency has occurred cannot be grasped from the outside.
[0007]
The present invention has as its main object to solve the above-described problems, and promptly notifies the center system of the occurrence of an emergency, secures the safety of occupants, and furthermore, It is possible to grasp a situation and to make an accurate situation judgment, thereby realizing a configuration for solving a situation at an early stage.
[0008]
[Means for Solving the Problems]
The in-vehicle device according to the present invention includes:
An in-vehicle device mounted on the vehicle and capable of communicating with an external device outside the vehicle,
An audio output unit capable of outputting audio,
An emergency operation start instruction input unit for inputting an emergency operation start instruction for instructing start of an emergency operation;
When an emergency operation start instruction is input by the emergency operation start instruction input unit, an emergency notification generation unit that generates an emergency notification that notifies the occurrence of an emergency in the vehicle,
A communication unit that transmits the emergency notification generated by the emergency notification generation unit to an external device,
A voice output control unit for controlling the voice output unit to a mute state when an emergency operation start instruction is input from the emergency operation start instruction input unit.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
Embodiment 1 FIG.
FIG. 1 is a diagram illustrating a system configuration example according to the present embodiment.
In the figure, a taxi 1 has an in-vehicle device 100 having a wireless communication function, and the in-vehicle device 100 can perform wireless communication with a management server 200 installed in a management center 2 of a taxi company. In this specification, a taxi will be described as an example of a vehicle.
The management server 200 installed at the management center 2 performs taxi operation management by performing wireless communication with the in-vehicle device 100 mounted on the taxi 1. Note that the management server 200 corresponds to an example of an external device and a communication device.
Although only one taxi 1 is shown in FIG. 1, this is due to drawing reasons. In actual operation, a plurality of taxis equipped with in-vehicle devices operate and the management server 200 It manages the operation of multiple taxis by wirelessly communicating with on-board equipment of taxis.
[0010]
FIG. 2 is a diagram illustrating an example of the internal configuration of the vehicle-mounted device 100 according to the present embodiment.
In the figure, a communication unit 101 realizes wireless communication with a management server 200.
The emergency switch 102 is a switch for inputting an emergency operation start instruction when a user (taxi crew) depresses the button when an emergency such as robbery enters the taxi. When the emergency switch 102 is pressed, the vehicle-mounted device 100 starts an emergency operation. The emergency switch 102 corresponds to an example of an emergency operation start instruction input unit.
When an emergency operation start instruction is input by pressing the emergency switch 102, the emergency notification generation unit 103 generates an emergency notification for notifying that an emergency has occurred in the vehicle as an emergency operation. I do. The emergency notification includes, for example, identification information for identifying a taxi in which an emergency has occurred, such as a taxi ID, and is transmitted from the communication unit 101 to the management server 200. In the management center 2, when the management server 200 receives the emergency notification, it is possible to know that an emergency has occurred in a specific taxi.
The audio codec unit 104 converts the digital audio signal received by the communication unit 101 into an analog audio signal.
The audio output unit 105 outputs an analog audio signal converted by the audio codec unit 104. Specifically, a speaker corresponds.
The voice output control unit 106 controls the voice output of the voice output unit 105. When an emergency operation start instruction is input by pressing the emergency switch 102, the output state of the voice output unit 105 is determined as an emergency operation. Is controlled to a mute state.
FIG. 1 shows a minimum configuration for realizing the functions of the vehicle-mounted device according to the present embodiment, and elements other than the elements shown in FIG. 1 may be added.
[0011]
Next, the operation will be described with reference to FIG.
For example, when an emergency such as a robbery breaks into the car of the taxi 1, a taxi crew first presses the emergency switch 102 in step S601. Hereinafter, a taxi in which an emergency has occurred is referred to as an emergency taxi.
Next, in step S602, the emergency notification generation unit 103 generates an emergency notification including the taxi ID of the emergency taxi as an emergency operation, and the communication unit 101 transmits the emergency notification to the management server 200. Send.
Next, in step S603, the sound output control unit 106 sets the output state of the sound output unit 105 to a mute state as an emergency operation. As will be described later, the management center that recognizes that an emergency has occurred issues a search instruction for an emergency taxi to other taxis, but this search instruction cannot be heard by the criminal in the emergency taxi. In this case, the audio output unit 105 is muted.
Next, in step S604, the management server 200 in the management center 2 receives the emergency notification from the vehicle-mounted device 100, and the operator of the management center specifies the emergency taxi from the taxi ID included in the emergency notification, It instructs other taxis to search for emergency taxis and to grasp the status of emergency taxis by radio. Since these instructions are broadcast, they are also sent to the emergency taxi. However, in the emergency taxi, the voice output unit 105 is muted, so that the criminal in the emergency taxi is instructed. , It is possible to search for an emergency taxi and grasp the situation of the emergency taxi without endangering the taxi crew.
[0012]
As described above, according to the present embodiment, when an emergency occurs, the emergency notification for immediately notifying the occurrence of the emergency is transmitted, and the voice output is controlled to be in the mute state. Can be promptly dealt with, and the processing for solving the situation can be advanced without putting the taxi crew at risk, and the situation can be solved early.
[0013]
Embodiment 2 FIG.
In the present embodiment, a case will be described in which the audio output of the vehicle-mounted device 100 is controlled by control from the management server 200 side.
[0014]
FIG. 3 is a diagram illustrating a configuration example of the management server 200 according to the present embodiment.
In the figure, a communication unit 201 realizes wireless communication with the in-vehicle device 100 of the taxi 1.
The emergency notification unit 202 performs processing on the emergency notification transmitted from the emergency taxi.
The control signal generation unit 203 generates a control signal related to control of the audio output unit 105 of the vehicle-mounted device 100.
The user interface unit 204 receives an input from an operator.
FIG. 2 shows a minimum configuration for realizing the function of the management server according to the present embodiment, and elements other than the elements shown in FIG. 2 may be added.
The configuration of the on-vehicle device 100 is the same as that shown in FIG.
[0015]
Next, the operation will be described with reference to FIG.
FIG. 7 shows an operation after the emergency notification is received by the management server 200, that is, an operation after the processes of steps S601, S602, and S604 shown in FIG. 6 are performed.
First, in the management server 200, in step 701, the control signal generation unit 203 generates a control signal for mute control based on an input from an operator, and the communication unit 201 transmits the control signal to the on-board device of the emergency taxi. The control signal for the mute control is a control signal for instructing the in-vehicle device to perform the mute control when the control center forcibly performs the mute control, or the control signal for in-vehicle use when a conversation with the inside of the emergency taxi is required. This is a control signal that instructs the device to cancel mute control.
Next, in the emergency taxi, the communication unit 101 of the vehicle-mounted device 100 receives a control signal for mute control from the management server 200 in step S702. Then, in step S703, the audio output control unit 106 of the in-vehicle device 100 performs control for muting the audio output unit 105 or control for canceling the mute state based on the content of the control signal for mute control.
[0016]
In the above description, after the emergency notification is transmitted from the in-vehicle device of the emergency taxi, the voice output state of the in-vehicle device is controlled from the management server side. It may be the case where the notification is not transmitted. For example, the management center recognizes the occurrence of an emergency by a report from the crew of another taxi who saw the lights of the emergency taxi, and outputs the voice output of the on-board device of the emergency taxi before the emergency notification is transmitted. You may make it control.
[0017]
As described above, according to the present embodiment, by controlling the voice output state of the emergency taxi from the management server side, it is possible to issue an instruction to another taxi without being asked by the criminal to hear the instruction content. When a conversation with a taxi crew or a criminal is required, a conversation with the inside of an emergency taxi can be made.
[0018]
Embodiment 3 FIG.
In this embodiment, a case will be described in which a vehicle-mounted device is provided with a sound collection function capable of collecting sound in a taxi, and the management server controls the sound collection function of the vehicle-mounted device to monitor the collected sound.
[0019]
FIG. 4 is a diagram illustrating a configuration example of the vehicle-mounted device according to the present embodiment.
In the figure, 101 to 104 are the same as those shown in FIG.
The sound collecting unit 107 is capable of collecting sound in a taxi, and is, for example, a microphone.
The sound collection control unit 108 controls the sound collection unit 107 according to a control signal from the management server 200.
FIG. 4 shows a minimum configuration for realizing the functions of the vehicle-mounted device according to the present embodiment, and elements other than the elements shown in FIG. 4 may be added.
The configuration of the management server 200 is the same as that shown in FIG.
[0020]
Next, the operation will be described with reference to FIG.
FIG. 8 shows the operation after the emergency notification is received by the management server 200, that is, the operation after the processes of steps S601, S602, and S604 shown in FIG. 6 are performed.
First, in the management server 200, in step 801, the control signal generation unit 203 generates a control signal for sound collection control based on an input from an operator, and the communication unit 201 transmits the control signal to the on-board device of the emergency taxi. The control signal for sound collection control is a control signal that instructs the vehicle-mounted device to set the sound collection unit to the sound collection state. In addition, a sound collection maintaining time for maintaining the sound collection state may be designated.
Next, in the emergency taxi, the communication unit 101 of the vehicle-mounted device 100 receives a control signal for sound collection control from the management server 200 in step S802.
Then, in step S803, the sound collection control unit 108 of the in-vehicle device 100 sets the sound collection unit 107 to the sound collection state (the microphone is turned on) based on the control signal for sound collection control.
As a result, the sound collection unit 107 can collect the sound in the taxi, and transmits the collected sound from the vehicle-mounted device 100 to the management server 200, and the management server 200 receives the collected sound ( Step S804).
Thus, the management center can monitor the sound in the taxi without being noticed by the criminal in the taxi, and can grasp the situation in the car.
If the sound collection control time indicates a sound collection maintenance time, the sound collection control unit 108 releases the sound collection state (turns off the microphone) after the sound collection maintenance time elapses ( Step S805).
[0021]
In the above description, after the emergency notification is transmitted from the in-vehicle emergency taxi device, the sound collection unit of the in-vehicle device is controlled from the management server side. It may be the case where the notification is not transmitted. For example, when a crew member of another taxi sees the emergency taxi's lights, the management center recognizes the occurrence of the emergency and notifies the sound collector of the on-board device of the emergency taxi before the emergency notification is transmitted. May be controlled.
[0022]
As described above, according to the present embodiment, by controlling the sound collecting function of the emergency taxi from the management server side, it is possible to monitor the sound in the taxi without being noticed by the criminal in the taxi. Therefore, the situation in the vehicle can be grasped, and the situation can be solved quickly.
[0023]
Embodiment 4 FIG.
Normally, a taxi transmits vehicle state information indicating the state of the vehicle to the management server at a fixed cycle. However, in this embodiment, when an emergency occurs, the taxi from the emergency taxi is controlled by the management server. A case will be described in which the transmission cycle of the vehicle state information is shortened from the normal time, and more information about the vehicle state of the emergency taxi is collected.
[0024]
FIG. 5 is a diagram illustrating a configuration example of the vehicle-mounted device according to the present embodiment.
In the figure, 101 to 103 are the same as those shown in FIG.
Vehicle state information generation section 109 generates vehicle state information at a predetermined cycle. The vehicle state information to be generated is, for example, information indicating the current position of the vehicle (vehicle position information) and information notifying the values of various meters. In the present embodiment, a case where vehicle position information is generated as vehicle state information will be described. Further, as described later, when a control signal is transmitted from the management server 200, the vehicle state information generation unit 109 generates the vehicle state information at a shorter cycle than normal.
The vehicle position detection unit 110 detects the current position of the vehicle using, for example, GPS (Global Positioning System) technology.
FIG. 5 shows a minimum configuration for realizing the functions of the vehicle-mounted device according to the present embodiment, and elements other than the elements shown in FIG. 5 may be added.
The configuration of the management server 200 is the same as that shown in FIG.
[0025]
Next, the operation will be described with reference to FIG.
FIG. 9 shows an operation after the emergency notification is received by the management server 200, that is, an operation after the processes of steps S601, S602, and S604 shown in FIG. 6 are performed.
First, in the management server 200, in step 901, the control signal generation unit 203 generates a control signal for period control based on an input from an operator, and the communication unit 201 transmits the control signal to the on-board device of the emergency taxi. The control signal for the cycle control is a control signal that designates a shorter cycle than the normal state as the transmission cycle of the vehicle state information and instructs the vehicle-mounted device to transmit the vehicle state information at the designated cycle.
Next, in the emergency taxi, the communication unit 101 of the vehicle-mounted device 100 receives a control signal for period control from the management server 200 in step S902.
Then, in step S903, the vehicle state information generation unit 109 of the vehicle-mounted device 100 changes the generation period of the vehicle state information based on the control signal for period control.
After the designated time has elapsed since the previous generation of the vehicle state information, the vehicle state information generation unit 109 generates vehicle state information indicating the position detection result of the vehicle position detection unit 110, and transmits it from the communication unit 101 (step S904). .
The management server 200 receives the vehicle state information (Step S905), and the management center can know the current position of the emergency taxi based on the vehicle state information.
Thereafter, the transmission (step S906) and the reception (step S907) of the vehicle state information are repeated at a shorter cycle than the normal time, and the management center can track the position of the emergency taxi more accurately than the normal time. it can.
[0026]
In the above description, the transmission period of the vehicle state information is controlled from the management server side after the emergency notification is transmitted from the in-vehicle emergency taxi device. It may be the case where the notification is not transmitted. For example, the management center recognizes the occurrence of an emergency by a report from the crew of another taxi who saw the emergency taxi lights, and controls the transmission cycle of the vehicle state information before the emergency notification is transmitted. It may be.
[0027]
As described above, according to the present embodiment, by making the transmission period of the vehicle state information from the emergency taxi from the management server shorter than usual, the vehicle state can be quickly changed without being noticed by a criminal in the taxi. It is possible to know and to solve the situation early.
[0028]
In the first to fourth embodiments, a taxi is used as an example of a vehicle, and a management server of a taxi company is used as an example of a management server. For example, the vehicle may be a bus, the management server may be a management server of a bus company, the vehicle may be a commercial vehicle, the management server may be a management server of a company to which the commercial vehicle belongs, or the vehicle may be a general vehicle. The center may be a management server of a security company contracted by a user of the general vehicle.
[0029]
【The invention's effect】
As described above, according to the present invention, when an emergency occurs, an emergency notification for notifying the external device of the occurrence of the emergency is transmitted, so that the occurrence of the emergency can be quickly notified, and Since the sound output is muted in the event of an emergency, safety in the vehicle can be ensured.
In addition, by controlling the sound output device and the sound collecting device from outside the vehicle, safety inside the vehicle can be ensured and the situation inside the vehicle can be accurately grasped. Further, by controlling the transmission period of the vehicle state information from the vehicle-mounted device from outside the vehicle, the vehicle state information can be received more frequently, and the vehicle state can be quickly grasped.
[Brief description of the drawings]
FIG. 1 is a diagram showing an example of a system configuration according to Embodiments 1 to 4.
FIG. 2 is a diagram showing a configuration example of an in-vehicle device according to the first embodiment.
FIG. 3 is a diagram showing a configuration example of a management server according to a second embodiment.
FIG. 4 is a diagram showing a configuration example of an in-vehicle device according to a third embodiment.
FIG. 5 is a diagram showing a configuration example of an in-vehicle device according to Embodiment 4.
FIG. 6 is a diagram showing operations of the vehicle-mounted device and the management server according to the first embodiment.
FIG. 7 is a diagram showing operations of the in-vehicle device and the management server according to the second embodiment.
FIG. 8 is a diagram showing operations of the in-vehicle device and the management server according to the third embodiment.
FIG. 9 is a diagram showing operations of the in-vehicle device and the management server according to the fourth embodiment.
[Explanation of symbols]
1 taxi, 2 management center, 100 in-vehicle device, 101 communication unit, 102 emergency switch, 103 emergency notification generation unit, 104 audio codec unit, 105 audio output unit, 106 audio output control unit, 107 sound collection unit, 108 collection Sound control unit, 109 vehicle state information generation unit, 110 vehicle position detection unit, 200 management server, 201 communication unit, 202 emergency notification processing unit, 203 control signal generation unit, 204 user interface unit.

Claims (21)

An in-vehicle device mounted on the vehicle and capable of communicating with an external device outside the vehicle,
An audio output unit capable of outputting audio,
An emergency operation start instruction input unit for inputting an emergency operation start instruction for instructing start of an emergency operation;
When an emergency operation start instruction is input by the emergency operation start instruction input unit, an emergency notification generation unit that generates an emergency notification that notifies the occurrence of an emergency in the vehicle,
A communication unit that transmits the emergency notification generated by the emergency notification generation unit to an external device,
An in-vehicle device comprising: a voice output control unit that controls the voice output unit to be in a mute state when an emergency operation start instruction is input from the emergency operation start instruction input unit. An in-vehicle device mounted on the vehicle and capable of communicating with an external device outside the vehicle,
An audio output unit capable of outputting audio,
A communication unit that receives a control signal related to control of the audio output unit from an external device,
An in-vehicle device, comprising: an audio output control unit that controls the audio output unit based on the control signal. The communication unit,
Receiving a control signal instructing to mute the audio output unit,
The audio output control unit,
The in-vehicle device according to claim 2, wherein the audio output unit is muted based on the control signal. The communication unit,
Receiving a control signal instructing to release the mute state of the audio output unit,
The audio output control unit,
The in-vehicle device according to claim 2, wherein the mute state of the audio output unit is released based on the control signal. An in-vehicle device mounted on the vehicle and capable of communicating with an external device outside the vehicle,
A sound collection unit capable of collecting sounds in the vehicle,
A communication unit that receives a control signal related to control of the sound collection unit from an external device,
An in-vehicle device comprising: a sound collection control unit that controls the sound collection unit based on the control signal. The communication unit,
Receiving a control signal instructing the sound collecting unit to be in a sound collecting state,
The sound collection controller,
The vehicle-mounted device according to claim 5, wherein the sound collecting unit is set to a sound collecting state based on the control signal. The communication unit,
A control signal instructing the sound collection unit to be in the sound collection state and receiving a control signal indicating a sound collection maintenance time for maintaining the sound collection state of the sound collection unit,
The sound collection controller,
The vehicle-mounted device according to claim 5, wherein the sound collection unit is set to a sound collection state during the sound collection maintenance time based on the control signal. The communication unit,
The sound in the vehicle collected by the sound collection unit is transmitted to an external device when the sound collection unit is set to a sound collection state by the sound collection control unit. The in-vehicle device according to the above. An in-vehicle device mounted on the vehicle and capable of communicating with an external device outside the vehicle,
A vehicle state information generation unit that generates vehicle state information indicating a vehicle state at a predetermined cycle,
A communication unit that transmits the vehicle state information to the external device at a predetermined cycle, and receives, from the external device, a control signal instructing to change the cycle of generation and transmission of the vehicle state information in a predetermined case. ,
The vehicle state information generation unit,
Generating vehicle state information at a cycle instructed by the control signal,
The communication unit,
An in-vehicle device for transmitting vehicle state information at a cycle specified by the control signal. The vehicle state information generation unit,
As the vehicle state information, vehicle position information indicating the current position of the vehicle is generated at a predetermined cycle, and when the control signal is received by the communication unit, the vehicle position information is generated at the cycle specified by the control signal. The in-vehicle device according to claim 9, wherein the information is generated. It can communicate with an in-vehicle device equipped with an audio output device,
A communication device for transmitting a control signal relating to control of an audio output device to an in-vehicle device and controlling the audio output device of the in-vehicle device from outside the in-vehicle device. The communication device,
The control signal for instructing the in-vehicle device to mute the audio output device is transmitted to mute the audio output device of the in-vehicle device from outside the in-vehicle device. Communication device. The communication device,
The control signal for instructing the in-vehicle device to release the mute state of the audio output device is transmitted, and the mute state of the audio output device of the in-vehicle device is released from outside the in-vehicle device. Communication device according to claim. It can communicate with an in-vehicle device equipped with a sound collection device capable of collecting sounds in the vehicle,
A communication device for transmitting a control signal relating to control of a sound collection device to an in-vehicle device and controlling the sound collection device of the in-vehicle device from outside the in-vehicle device. The communication device,
15. The vehicle-mounted device according to claim 14, wherein a control signal for instructing the vehicle-mounted device to set the sound collection device to the sound collection state is transmitted, and the sound collection device of the vehicle-mounted device is set to the sound collection state from outside the vehicle-mounted device. Communication device according to claim. The communication device,
A control signal for instructing the in-vehicle device to set the sound collection device to the sound collection state and transmitting a sound collection maintaining time for maintaining the sound collection state of the sound collection device is transmitted from outside the in-vehicle device to the in-vehicle device. The communication device according to claim 14, wherein the sound collection device is set to a sound collection state during the sound collection maintenance time. The communication device,
17. The communication device according to claim 15, wherein the in-vehicle sound collected by the sound collection device of the vehicle-mounted device is received from the vehicle-mounted device. The communication device,
15. The communication device according to claim 11, wherein a control signal is transmitted to the on-vehicle device when receiving an emergency notification for notifying the occurrence of an emergency in the vehicle from the on-vehicle device. While receiving vehicle state information indicating the state of the vehicle from the in-vehicle device at a predetermined cycle, and transmitting a control signal instructing the in-vehicle apparatus to change the cycle of transmitting the vehicle state information to the in-vehicle device in a predetermined case. A communication device for changing a cycle of receiving vehicle state information. The communication device,
A vehicle position information indicating the current position of the vehicle is received at a predetermined cycle as the vehicle state information, and in a predetermined case, a control signal for instructing the in-vehicle device to change a cycle of transmitting the vehicle position information is provided. 20. The communication device according to claim 19, wherein a cycle of transmitting and receiving the vehicle position information is changed. The communication device,
When receiving an emergency notification notifying the occurrence of an emergency in the vehicle from the on-vehicle device, transmitting a control signal instructing to transmit the vehicle state information in a shorter cycle, before receiving the emergency notification The communication device according to claim 19, wherein the vehicle state information is received at a cycle shorter than the cycle.

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