JP2008102960A - Radio wave alarm for vehicles - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a radio wave alarm for vehicles which prevents secondary disaster due to a rear-end collision on a highway and confusion due to a radio wave, which neglects a designated area, to realize safe traveling on a highway. <P>SOLUTION: With respect to a radio wave which informs people of an emergency on a highway, transmission of a radio wave is indispensable which designates an up lane 10, a down lane 11 and following vehicles so as to prevent confusion due to radio interference and a traffic jam. The designation of the up and down lanes 10, 11 is controlled with ID code numbers and commands, and the radio wave transmission to the following vehicles 15 is controlled by means of the installation of two flat antennas 1, 2, as the means of solving the problem. By this composition, the information is given to the following vehicles 15 without the transmission of such radio waves as causing confusion to on-coming vehicles 16 on the opposite lane and preceding vehicles 13. Accordingly, the composition is effective in preventing rear-end collisions on a highway and in coping with emergencies in their own vehicles which they are driving. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

The present invention relates to a vehicle radio alarm device capable of performing communication between a plurality of vehicles equipped with the same communication device, and an automatic switching device for automatically switching information of the vehicle radio alarm device using radio signals. It is related with the radio alarm device for vehicles provided with.

Almost all vehicle alarm devices used in the past are of complicated technology using high technology. However, these car alarms would be quite expensive products when actually installed. Even if only some of the vehicles are equipped with high-tech alarms, it will not make sense if they are crashed by the following vehicle. Therefore, the safety can be improved by installing equipment that can be purchased at a low price in all vehicles.
JP 2006-44447 A

Looking at the causes of multiple rear-end collisions on the highway, there are reasons why discovery of accidents, traffic jams, falling objects, broken vehicles, lane changes, etc. are delayed. Also, if these obstacles are curves or steep climbs, the risk doubles.

In such a case, it is assumed that the conventional alarm device emphasizes only high-tech technology, and has been able to measure an accident vehicle or the last vehicle in a traffic jam and discover it in advance (for example, JP-A-2006-44447). . However, if only the subject vehicle recognizes the accident vehicle on the curve and suddenly decelerates, there is a risk of a rear-end collision with the following vehicle. Also, if you try to follow it, you can not understand the situation ahead, it will be judged as meaningless behavior, it may cause secondary disasters and traffic jams, only high-tech alarms are installed However, it is not always safe. In addition, such high-tech, high-priced alarm devices are widespread and cannot be installed in all vehicles. Highway car alarms must be installed in all cars to avoid danger.

The present invention has been made in order to solve the above-described problems, and is capable of instantaneously communicating between an abnormality-detected vehicle and a subsequent vehicle. According to a first aspect of the present invention, there is provided a plurality of vehicles having a device capable of specifying a radio wave reception direction and a transmission direction area by switching commands of two types of radio wave ID codes and controlling two types of planar antennas. Another significant feature is that it can be commercialized at a low cost with a radio alarm device for vehicles, which is mounted and can communicate with the same signal as the plurality of vehicles. Therefore, if it can be installed in all vehicles traveling on the highway, it is possible to notify a large number of succeeding vehicles instantaneously, and if the reach of the radio wave field of view is 1 km, sufficient safety can be secured. According to a second aspect of the present invention, there is provided an automatic switching device that automatically transmits information by radio waves by passing through a specified area of a vehicle route, and radio waves that can automatically receive radio waves and read information. A car radio alarm equipped with a receiver that automatically provides information on the startup of the car radio alarm and either the upper or lower line when entering the highway. is there. According to a third aspect of the present invention, there is provided a transmitter / receiver of a device that can specify a radio wave reception direction and a transmission direction area by switching commands of two types of radio wave ID codes and controlling two types of planar antennas. This is a radio alarm device for vehicles, which is installed in a railway station and crosses a transmitter / receiver capable of simultaneously transmitting and receiving two types of radio waves, and is installed in a home to perform emergency communication with a train by radio waves. According to a fourth aspect of the present invention, there is provided an automatic switching device that automatically transmits information by radio waves by passing through a specified area of a vehicle route, and radio waves that can automatically receive radio waves and read information. A car radio alarm that also has a receiver. On the highway interchange hoistway, the power is automatically turned on and off, and installed at the entrance and exit of the tunnel to automatically turn on and off the headlights. It can be applied as follows.

The present invention is configured as described above and has the following effects.
(1) Driving on the highway as an alarm device useful for immediate detection of accidents on the highway, traffic jams, falling objects, broken vehicles, lane changes, etc., and for preventing accidents due to emergency situations such as seizures Safety comes out.
(2) When driving on a highway, even if it is difficult to recognize the situation ahead because of a curve, you will see many vehicles that do not decelerate, but you may actually stop at a curve due to traffic jams or accidents. Because there is, it is very dangerous. Therefore, current hazard lamps are accompanied by anxiety.
(3) Considering the accidents on the highway so far, rear-end collisions, snoozing driving, and drunk driving can be mentioned. Even in these cases, the situation should change greatly if it can be recognized in advance.

The embodiments of the present invention have been described with reference to the drawings.

FIG. 1 is a block diagram of the main body of a radio alarm device for a vehicle, and a transmission flat panel antenna 1 is installed with a transmission surface facing backward in order to transmit radio waves to a following vehicle. The receiving flat panel antenna 2 is installed with the receiving surface facing forward in order to receive radio waves transmitted from the vehicle ahead. The radio wave transmitter 3 is integrated with the transmitting panel antenna 1 and is a radio wave signal transmitting unit. The radio wave receiver 4 is a receiving unit that sends a signal received by the receiving flat panel antenna 2 to the receiving display lighting panel 6 and the receiving speaker 7, and can recognize the front situation by lighting and sound. The radio wave transmission hazard lamp 5 is linked to a normal hazard lamp and is similarly a push button type. The up / down line changeover switch 8 is a changeover switch for two types of radio wave commands, A and B, and is used when selecting the route of the up / down line.

FIG. 2 shows the positional relationship between vehicles on the highway, and each vehicle is indicated by a number in order to explain the state of transmission and reception of radio waves. Further, a designated area for transmission / reception of radio waves of the automatic switching device 9 is shown.

FIG. 3 is a diagram of the installation state of the automatic switching device 9, and shows the positional relationship between the switching radio wave reception unit 19 and the sensor unit 19.

In FIG. 2, when entering the highway 10 from the interchange, the power is turned on by manually pressing the A or B switch 8 of the car radio alarm device. Alternatively, when the vehicle radio alarm equipped vehicle 12 passes through the designated area of the automatic switching device 9 installation route, the sensor 19 and the switching radio wave transmission unit 18 shown in FIG. Line selection information is automatically entered. With the selection information, an A signal is input to an up-line vehicle, and a B signal is input to a down-line vehicle.
When getting off from the highway, the automatic switching device 9 is installed on the interchange's lower lane, and as described above, when a vehicle equipped with a radio alarm device passes through the designated area, a power off signal is transmitted. The

In FIG. 2, when the own vehicle 14 traveling in the vicinity of the interchange up lane 10 finds an accident vehicle 13, a broken vehicle, a fallen object, a lane restriction, or when an abnormality such as a seizure occurs in the own vehicle, In FIG. 1, until the radio wave emission hazard lamp switch 5 is pressed and the radio wave emission hazard lamp 5 is pressed again, the radio wave transmitted from the radio wave transmitter 3 is transmitted to the receiving planar antenna 2 of the succeeding vehicle 15. Can be notified to the following vehicle 15.
The transmitter is controlled by an ID code number, and can transmit and receive information only to devices having the same radio wave command, and uses radio waves that do not affect other models or devices.

(Advantages of flat antenna)
By installing the transmitting flat panel antenna 1 in the rearward direction, radio waves are not transmitted to the vehicle ahead of the host vehicle 14 and can be transmitted only to the following vehicle. In addition, by installing the receiving flat panel antenna 2 facing forward, only radio waves from the vehicle ahead can be received.

The following vehicle 15 and other subsequent vehicles are equipped with the same type of vehicle radio alarm device shown in FIG. 1 for receiving the vehicle radio alarm device by transmitting radio waves from the own vehicle 14. The flat panel antenna 2 receives the signal, the reception display lighting panel 6 repeats blinking, and a sound is emitted from the reception speaker 7, so that the information ahead can be recognized.
The reception display lighting panel 6 and the reception speaker 7 can be stopped by touching the reception display lighting panel 6.

(Advantages of switching radio wave commands)
The radio wave alarm device for vehicles having the same radio wave ID code and the radio wave transmitter 3 having two different types of radio wave commands are switched to switch the up / down line changeover switch 8 to transmit the radio wave. At that time, by using the radio signal A for the up lane and the radio signal B for the down lane, the down lane vehicles 16 and 17 do not receive radio waves from the own vehicle 14 in FIG. Therefore, information can be notified only to the following vehicle without affecting the reverse lane or the preceding vehicle.

The vehicle radio alarm is linked to a conventional hazard lamp, and can be turned on and off by the radio wave emission hazard lamp switch 5 shown in FIG. However, even if the normal hazard lamp switch is pressed, the hazard lamp is only lit and no radio wave is transmitted. However, when the radio wave transmission hazard lamp switch 5 is pressed, the radio wave transmission and the hazard lamp can be lit simultaneously.

As an application, in the case of lane control during construction, it is possible to continue to notify the following vehicle in advance by setting the alarm device having 1 to 8 in FIG. 1 in the construction vehicle or the construction site.

Also, when installing on a train, set the transmitter on the train side, set the receiver on each level crossing and home, and set the radio waves received at the receiver at the level crossing. By connecting to the machine, it can be used as a low-cost alarm for level crossings.

The vehicle radio alarm can be linked to communication devices such as car navigation systems, radar detectors, ETC, VICKS, GPS, radio stations, and management centers.

It is a block diagram which shows the operating principle of the radio alarm device for vehicles to which this invention is applied. It is explanatory drawing which shows the positional relationship of the vehicle carrying the vehicle radio alarm device to which this invention is applied, and another vehicle. It is explanatory drawing which shows the automatic switching apparatus which transmits the information which performs on / off operation of the apparatus of this invention automatically.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Flat panel antenna for transmission 2 Flat panel antenna for reception 3 Radio wave transmitter 4 Radio wave receiver 5 Radio wave transmission hazard lamp switch 6 Reception display lighting panel 7 Reception speaker 8 Vertical line changeover switch 9 Automatic switching device 10 Interchange up lane 11 Down lane 12 Inter approach vehicle 13 Accident vehicle 14 Own vehicle 15 Subsequent vehicle 16 Down lane vehicle 17 Down lane vehicle 18 Switching radio wave transmission unit 19 Sensor unit

Claims (4)

A device that can specify the radio wave reception direction and the transmission direction area by switching between two types of radio wave ID code commands and controlling two types of planar antennas is installed in a plurality of vehicles. A radio alarm device for vehicles, which can communicate with the same signal. The vehicle radio alarm device according to claim 1, wherein the device having the function is built in a rearview mirror. Two types of radio wave ID code commands and two types of planar antennas are installed on the train to install a transmitter / receiver for devices that can specify the radio wave reception direction and transmission direction area. A radio alarm device for cars, which is installed at the platform to perform emergency communication with trains by crossing a transmitter / receiver that can simultaneously transmit and receive radio waves. Combined with an automatic switching device that automatically transmits information by radio waves by passing through a specified area of a vehicle route, and a radio receiver that can automatically receive radio waves and read information Car radio alarm.

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