JPH02105012A - On-vehicle running monitor device - Google Patents

Abstract

PURPOSE:To constitute the monitor device so that information of an emergency vehice can be obtained from this monitor screen by receiving the information such as the present position, the running direction, etc. of the emergency vehicle and adding its running state to the monitor screen. CONSTITUTION:Information such as the present position and the running direction, etc. of an emergency vehicle 16 is received by an information receiving part 5 of a general vehicle 1 from the vehicle 16 or through a repeating installation 22. In accordance with this received information, a running state of the vehicle 16 is added to a monitor indicator 4 for displaying the running information of the vehicle 1 through a monitor processing part 3 provided with a CPU 10, etc., the information of the emergency vehicle is obtained surely from a monitor screen, and an appropriate countermeasure to the emergency vehicle can be executed since it is not executed by a siren, etc.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a vehicle-mounted driving monitor device that displays a monitor screen in which the driving state of the vehicle is added to a map of the driving area.

[Conventional technology]

Conventionally, in-vehicle travel monitoring devices for automobiles such as private cars, called navigation systems, determine the starting point based on traveling speed information obtained from vehicle speed pulses such as tachometer pulses and traveling direction information obtained from geomagnetic sensors, etc. The current position and driving direction of the vehicle are detected based on the set position.

Then, based on the detection results of the current position and traveling direction, C
Screen data of a map of the driving area (hereinafter referred to as map data) stored in advance in a D-ROM or the like is read out.

Furthermore, the read map data is combined with the data of the driving status symbol mark such as a triangle mark indicating the current position and driving direction to form a display signal on the monitor screen that adds the driving status of the own vehicle to the map of the driving area. and transfer the display signal to a CRT
The data is supplied to a monitor display device such as the above, and the monitor screen is displayed.

[Problem to be solved by the invention]

Since the conventional in-vehicle driving monitor device displays only the driving state of the own vehicle, driving conditions such as the approach of emergency vehicles such as ambulances and patrol cars and fire engines cannot be seen on the monitor screen, and information about emergency vehicles is not displayed. There are problems that cannot be obtained.

Even in cars equipped with this type of vehicle running monitoring device, the only way to know when an emergency vehicle is approaching is by listening to the siren of the emergency vehicle.
If you are driving while listening to the radio with the volume turned up, you may not be able to hear the siren, which may delay your ability to take appropriate action such as yielding to an approaching emergency vehicle, which may obstruct the operation of the emergency vehicle.

Furthermore, at intersections and the like, it is difficult to tell from which direction the sirens of emergency vehicles are coming from, and even if the sirens are heard, it is difficult to take appropriate action.

SUMMARY OF THE INVENTION An object of the present invention is to provide an on-vehicle driving monitor device that allows information on emergency vehicles to be obtained from a monitor screen.

[Means to solve the problem]

In order to solve the above problems, the in-vehicle travel monitor device of the present invention detects the current position and traveling direction of the own vehicle,
An in-vehicle driving monitor device that displays a monitor screen with the driving state of the own vehicle added to a map of the driving area includes a receiving means for receiving information on the current position and driving direction of an emergency vehicle, and a receiving means for receiving information of the iJ record receiving means. Originally, a technical measure was taken to include additional means for adding the driving state of the emergency vehicle to the monitor screen.

[Effect]

The in-vehicle traveling monitor device of the present invention configured as described above adds the traveling state of the emergency vehicle to the monitor screen based on the received information about the current position and traveling direction of the emergency vehicle.
The driving conditions of the own vehicle and the emergency vehicle are displayed on the map of the driving area on the monitor screen, and information such as the approach of the emergency vehicle can be obtained from the monitor screen.

〔Example〕

One embodiment will be described with reference to FIGS. 1 to 3.

As shown in FIG. 1, the in-vehicle running monitor device (2) of a general vehicle such as a private car has a monitor processing section f31.f31. Monitor display C such as CRT
4) Consists of an information receiving section (51) and an audio notification section (6).

In addition, the monitor processing unit +31 is a vehicle speed pulse generator (7)
.

Geomagnetic sensor C8), C I) that stores map data, etc.
- It consists of a memory (9) such as ROM and a central processing circuit flO.

Further, the information receiving section (5) forming the receiving means includes a receiver Qll that receives radio waves of emergency signals, which will be described later, and an RF demodulator α.
2. The voice notification unit (6) includes an information decoder 03, and a voice conversion circuit α4. Consists of speaker α9.

On the other hand, the emergency vehicle 06) has a monitor and a transmission processing unit Q7, which are configured by adding a transmission control function to the monitor processing unit (3), for example.
) and an information transmitter 0& that transmits an emergency signal.

Note that the information transmitting unit 08) is the current position of the emergency vehicle (+6).

It consists of an information generation circuit αg that generates emergency information in a predetermined format such as the direction of travel, an RF modulator and a transmitter e21).

When the vehicle (1) is started, the latitude and longitude of the initial position (starting point) are initially set in the monitor processing unit QO by keyboard operation or the like.

Thereafter, when the vehicle (1) runs, the monitor processing unit 00 detects the running speed from the vehicle speed pulse from the generator (7), and detects the running direction (progressing direction) from the detection signal from the sensor (8).

Then, the latitude and longitude of the initial position, the detected traveling speed,
Based on the running direction, the monitor processing unit 00 determines whether the vehicle (1)
Detects the current position of.

Furthermore, based on the detected current position, the monitor processing unit 0
0 reads the map data of the driving area that includes the current position from the memory r9), and adds the vehicle +11 to the read map data.
The current position of the vehicle and the data of the triangular mark indicating the driving direction are combined to form a display signal on the monitor screen in which the driving status of the vehicle (11) is added to the map of the driving area, and the display signal is sent to the monitor display (4). supply to.

At this time, a monitor screen showing, for example, the map (MP) in FIG. 2 and the own vehicle mark (A) of the vehicle (1) is displayed on the monitor display (4).

Note that the range of the displayed driving area can be varied based on scale selection by keyboard operation and the like.

On the other hand, when the emergency vehicle 00 is running in an emergency manner while sounding a siren, the current position is detected by the monitor and transmission processing unit αη in the same manner as the monitor processing unit Q7).

At this time, the monitor and transmission processing unit α outputs information on the latitude and longitude of the detected current position, information on the running direction expressed as a clockwise rotation angle with north as 06, and additional information to the information generation circuit 01. .

The additional information may include, for example, an ambulance, a patrol car,
It consists of vehicle type information such as fire engines, emergency content (driving purpose) information such as fires and accidents, and traffic congestion information due to fires and accidents.

Then, the information generation circuits 0!11 convert each information into, for example, a third
The emergency signal is encoded into the predetermined emergency signal format shown in the figure.

In Fig. 3, ■ indicates a fixed pattern signal identification header section, ■ and ■ indicate the latitude and longitude data section of the current position,
■ is a data part of the angle of the running direction, and ■ is a data part of additional information.

Then, the emergency signal from the information generation circuit 09 is input to the modulator (a) and modulated into a transmission signal, and the radio wave of the transmission signal is output from the transmitter e2B.

Therefore, during emergency driving, the emergency vehicle Oe runs while sounding a siren and transmitting an emergency signal including information on the current position and direction of travel of the own vehicle.

Then, when the emergency signal radio wave is received by the receiver 011 directly or via a relay terminal device, the information receiving section!
5) demodulates the received signal of receiver 0D using demodulator 0,
Based on the demodulated signal of the demodulator α, received information is output from the decoder α3 to the monitor processing unit +10.

At this time, the monitor processing unit forming the additional means grasps the position and traveling direction of the emergency vehicle 0119 from the current position and traveling direction information included in the received information, and the second The data of the emergency mark (f5) shown in the figure is added to the map data and the data of the own vehicle mark (A), and the monitor screen shown in Fig. 2 is displayed on the monitor display (4).

Therefore, the driving status of your vehicle and the emergency vehicle α are displayed on the monitor screen.
Q's running status is clearly displayed with a symbol mark.

In addition, based on the additional information included in the received information, the monitor processing unit flO also grasps the vehicle type, driving purpose, etc. of the emergency vehicle αG, and stores the notification voice data such as the vehicle type and driving purpose in the memory (9
) and output to the voice conversion circuit type.

Then, based on the audio signal of the audio conversion circuit 0 based on the notification audio data, a notification audio 2 indicating the type of emergency vehicle 0Q, the purpose of travel, etc., and a notification audio such as ``An ambulance is approaching now'' is output.

However, based on the notification audio, the vehicle type of the emergency vehicle OQ,
Detailed information such as the purpose of driving can be obtained by voice, and detailed information can be obtained much more easily than when additional information is displayed as a character string on a monitor screen.

Then, based on additional information, for example, fire.

It is possible to drive while avoiding traffic jams caused by accidents, etc.

By the way, the additional information consists of code numbers such as "A001", . . . , for example.

Also, note the notification audio data corresponding to each code number! Although it may be stored in a dedicated memory separate from I r9), in the case of the embodiment, in order to simplify the device, memo!
An area for audio information is provided in J (91), and is stored in advance in the memory (9) together with the map data.

Then, the monitor processing unit no compares the code number of the received additional information with the code number of the memory (9), reads out the notification voice data of the corresponding code number from the memory (9), and sends the data to the voice notification unit (6). Output to.

In addition, in the above embodiment, not only the driving status of emergency vehicle 0Q is displayed on the monitor screen, but also the vehicle type and driving purpose of emergency vehicle 0Q are outputted by voice. , it is also possible to simply display the running state of the emergency vehicle Q13 on the monitor screen, in which case the audio notification unit +61
Moreover, it is possible to omit additional information from the emergency signal and simplify the process of transmitting and receiving the emergency signal.

In addition, in the embodiment described above, the running status of the own vehicle and the emergency vehicle was displayed with unique symbols, but the demarcated running status may be displayed with different symbols, positions, letters, numbers, etc. of the running direction from the embodiment. Good too.

Furthermore, for example, radio waves from an artificial satellite may be used to detect the current position and traveling direction of the own vehicle.

〔Effect of the invention〕

Since the present invention is configured as described above, it produces the effects described below.

Based on the received information of the emergency vehicle's current location and direction of travel,
By adding the driving status of the emergency vehicle to the monitor screen, the driving status of the own vehicle and the emergency vehicle is displayed on the map of the driving area on the monitor screen, information such as the approach of an emergency vehicle can be obtained from the monitor screen, and the siren is displayed. It is possible to appropriately deal with emergency vehicles without relying on the emergency vehicle, and the performance of the monitoring device can be significantly improved.

[Brief explanation of drawings]

1 to 3 show one embodiment of the in-vehicle running monitor device of the present invention, in which FIG. 1 is a block diagram, FIG. 2 is an explanatory diagram of the monitor screen display, and FIG. 3 is an explanation of the format of the emergency signal. It is a diagram. (1)...General vehicle, (3)...Monitor processing unit, (
4)...Monitor display, 15+...information receiving section, (
6)...Voice notification unit, aG...Emergency vehicle. IJIG2 Figure 3 mazuL31JLM7AIq

Claims (1)

[Claims] (1) In an on-vehicle driving monitor device that detects the current position and driving direction of the own vehicle and displays a monitor screen with the driving status of the own vehicle added to a map of the driving area, information on the current position and driving direction of the emergency vehicle is used. An in-vehicle travel monitoring device comprising: a receiving means for receiving the emergency vehicle; and an adding means for adding the traveling state of the emergency vehicle to the monitor screen based on the information received by the receiving means.