JP2732356B2 - Road width sign - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a road width display panel which is installed at the side of a road and which indicates the width of the road by flashing a luminous body.

[0002]

2. Description of the Related Art Conventionally, in places where it is difficult to define road boundaries due to nighttime or snow, such as roads in mountainous areas, etc., a road width is indicated, and at night, a light emitter flashes to indicate the road width. A road width display board is installed.

[0003] Such a road width display plate generally has an arrow-blade-shaped main body provided vertically above a road boundary and pointing downward, and is linearly disposed on the main body in the vertical direction. The plurality of illuminants are controlled to blink at night when the amount of solar radiation decreases, thereby marking a road boundary. By installing a plurality of road width sign boards along the road, the extension state of the road can be confirmed.

[0004]

However, in such a conventional road width sign board, since the light emitters are controlled to blink for each road width sign board, a plurality of road width sign boards are installed continuously. When it was done, the difference in the timing of the flashing of the illuminant caused the driver's perception of the sign board installation position to go out of order,
There is a problem that the recognition of the direction in which the road extends is reduced. Also, since the arrow-shaped body is installed several meters above the road surface, there is a problem that the marking of the road boundary becomes unclear.

The present invention has been made in view of the above, and an object of the present invention is to clearly indicate the width of a road and to emit light sequentially and accurately at a plurality of installation positions corresponding to the installation positions. It is intended to provide a road width sign board.

[0006]

SUMMARY OF THE INVENTION The present invention has been made to achieve the above-mentioned object, and a road width signboard according to a first invention comprises a main body arranged vertically and A plurality of display illuminants capable of emitting light substantially horizontally forward in a road width, and a road width display plate installed at the side of the road to indicate the width of the road. A tuning circuit for outputting a signal, an amplifier circuit for amplifying the radio signal, a time correction signal output circuit for detecting a time signal of the radio signal and outputting a time correction signal, and A time-correctable clock, a lighting pulse signal generating circuit for forming a blinking cycle of the indicator light emitter based on the second operation cycle of the clock, and a delay time corresponding to the installation position of the main body can be set. With the lighting pal A delay circuit that delays the phase of the signal by a set delay time; a blink control circuit that blinks the indicator luminous body based on the delayed lighting pulse signal; a solar cell, a storage battery charged by the solar cell, and a power supply A power supply with a control circuit, and said flashing
It is controlled by the control circuit and emits light almost directly below.
A road provided to irradiate the ground surface directly below the body in a spot-like manner
And a surface illuminator .

[0007] The road width signboard of the second invention is provided in a vertical direction.
And a light provided on the main body.
A plurality of sign illuminators that can radiate forward in the horizontal direction.
A road width marking board installed along the road to indicate the road width
It automatically scans the reception frequency range and
Automatic scan receiving circuit that stops receiving and outputs radio signal
Path, an amplifier circuit for amplifying the radio signal, and a radio signal.
Time correction that detects the time signal of the signal and outputs the time correction signal
A time correction signal comprising a positive signal output circuit and a quartz oscillator
A clock capable of correcting the time by seconds working cycle of the clock
Lighting pallet that forms the blinking cycle of the indicator light with reference to
Signal generation circuit and delay time corresponding to the installation position of the main unit
And the lighting pulse signal
A delay circuit for delaying the set delay time the phase, the delay
Based on the processed lighting pulse signal,
A blink control circuit for controlling blinking, a solar cell, and the solar cell;
Storage battery and power supply control circuit
And a light source controlled by the flicker control circuit.
Radiates almost directly below the surface of the ground just below the main body.
And a road surface illuminator provided so as to be able to irradiate the
It is a road width signboard characterized by becoming.

[0008]

[0009]

[0010]

The present invention is constructed as described above. The tuning circuit receives a broadcast radio wave from a broadcasting station, the radio signal is amplified by an amplifier circuit, and the radio signal is amplified by a time correction signal circuit. To detect a time signal and output a time correction signal for correcting the time of the clock. The clock initializes the number of seconds by inputting a time correction signal, and corrects the time based on the time signal.

The lighting pulse signal generating circuit outputs a lighting pulse signal for forming a blinking cycle of the indicator light emitter based on a second operation cycle of the timepiece, and a delay circuit delays the phase of the lighting pulse signal by a set delay time.

The blink control circuit controls the blinking of the plurality of sign light emitters based on the lighting pulse signal that has been subjected to the delay processing. The roadside illuminator also emits light directly below the body to clearly mark road boundaries on the ground surface.

Further, the automatic scanning receiving circuit automatically scans within a predetermined receiving frequency range irrespective of the installation area of the road width indicating plate, and outputs a radio signal in accurate synchronization with a broadcast radio wave. I do. The time signal reception power supply control circuit includes a channel selection circuit, an amplification circuit,
Power is supplied to the time correction signal output circuit.

[0014]

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

FIG. 1 is a block diagram showing the configuration of a road width marking plate of the present embodiment, FIG. 2 is a front view showing the entire configuration, and FIGS. 3 and 4 are front and side views of the main body.

A road sign indicated by reference numeral 1 in FIG. 1 is provided on a main body 5 supported by a column 8, and includes a channel selection circuit 10, an amplification circuit 15, a time correction signal output circuit 17, a clock 20, a lighting pulse signal. Generating circuit 22, delay circuit 25,
The power supply device 33 includes a blinking control circuit 27, a plurality of sign light-emitting members 30, a road surface light-emitting member 31, and a time signal receiving power control circuit 38.

The main body 5 is made of a metal plate, is formed in the shape of an arrow blade, and is attached to the front end of the column 8 so as to point downward. A red reflecting sheet 6 and a white reflecting sheet 7 are alternately stuck on the front surface of the main body 5, and a marking illuminant 30 is provided at a substantially central portion of each of the reflecting sheets 6 and 7. I have.

The channel selection circuit 10 comprises an automatic scanning reception circuit in the embodiment, and is configured to receive the broadcast radio wave by being connected to the antenna 12. This automatic scanning receiving circuit has a scanning function of scanning within a predetermined frequency range and stopping when a broadcast radio wave having a predetermined signal strength or more is received, and is configured to output the received radio wave as a radio signal. ing. The antenna 12 is a ferrite antenna in which a coil is wound around a round bar-shaped ferrite, and is attached to the circuit case 40 via a support shaft 13 so as to be rotatable on a horizontal plane.

The amplifying circuit 15 is configured to amplify the radio signal from the tuning circuit 10 and output the amplified signal to the time correction signal output circuit 17.

The time correction signal output circuit 17 detects a 440 Hz signal for announcing a time signal and an 880 Hz time signal for announcing a time signal from the radio signal, and outputs a time correction signal for adjusting the time of the clock 20. It is configured.

The timepiece 20 is a quartz timepiece using the oscillation of the quartz oscillator as a reference frequency, and is provided with a time adjustment circuit (not shown).

The lighting pulse signal generation circuit 22 includes a clock 20
It is configured to output a lighting pulse signal that forms a blinking cycle of the sign light emitter 30 and the road surface light emitter 31 with reference to the second operation cycle of.

The delay circuit 25 is configured to delay the input lighting pulse signal by a predetermined delay time and output the signal, and the delay time can be arbitrarily set.

The blinking control circuit 27 is configured to blink the plurality of sign light emitters 30 and the road surface light emitter 31 based on the delayed lighting pulse signal.

The indicator light emitters 30 are composed of high-intensity light emitting diodes. In the embodiment, six indicator light emitters 30 are vertically spaced from the main body 5 via lenses (not shown). They are arranged linearly. Each of the sign light emitters 30 is supplied with power from the power supply device 33, and is controlled by the blink control circuit 27 so that the six sign light emitters 30 blink at the same time and emit light in the front horizontal direction of the main body 5. It is configured as follows.

The road surface illuminator 31 is a spot lamp using a halogen bulb in the embodiment, and
It is configured to emit light almost directly below and irradiate the ground surface GL with a diameter of several tens of cm.

The power supply device 33 includes a solar device 34 and a storage battery 3.
6, a power supply control circuit 37 and a time signal reception power supply control circuit 38. The solar cell 34 generates electricity when light of a certain level or higher is applied, and the electromotive force is charged in the storage battery 36 via the power supply control circuit 37. In addition, the solar cell 34
It is mounted on the upper part of the circuit case 40 via a rotatable support shaft 35.

The power supply control circuit 37 comprises a charging circuit, a lighting discrimination circuit, an overdischarge prevention circuit and the like, and has a power supply output A for supplying power for 24 hours and a power supply output B for supplying power at night. The power output A is connected to the clock 20, and the power output B is connected to the lighting pulse signal generation circuit 2.
2, delay circuit 25, blinking control circuit 27, indicator light emitter 3
0, the road surface illuminator 31, and the time signal reception power supply control circuit 38. The power supply output B is formed so as to supply the electric power of the storage battery 36 when the electromotive voltage of the solar cell 34 falls below a certain voltage (at night when the amount of solar radiation decreases).

The time signal reception power supply control circuit 38 is controlled by the clock 20 and has a power supply output C for supplying power for several minutes before and after every hour. This power output C is
Tuning circuit 10, amplifying circuit 15, time correction signal output circuit 1
7 is connected.

Reference numeral 40 denotes a water-resistant case.
Each of the above-described block circuits and the storage battery 36 are accommodated.

The road width sign 1 constructed as described above is
Usually, a plurality of the blades are installed along the road at predetermined intervals so that the arrow blades of the main body 5 indicate the road boundary.

The delay time of the delay circuit 25 is set to be sequentially longer according to the order of the installation positions of the road width indicating boards 1. In addition, the antenna 12 rotates the support shaft 13 and the solar cell 34 rotates the support shaft 35 to be fixed in a required direction.

Then, the power supply device 33 keeps the clock 20 operating for 24 hours by the power supply output A, and charges the storage battery 36 with the electromotive force of the solar cell 34 during the daytime when the amount of solar radiation is large. When the amount of solar radiation decreases and the electromotive voltage of the solar cell 34 falls below a certain voltage, the power output B is turned on by the power control circuit 37 and power is supplied to the blink control circuit 27 and the like.

In each of the road width indicating boards 1, a lighting pulse signal delayed according to each installation position is input to the blinking control circuit 27, and the plurality of sign light emitters 30 and the road surface light emitter 31 blink. Driven. Then, each road width indicating plate 1 emits light sequentially with a delay of the set delay time, and blinks repeatedly at a predetermined cycle.

As a result, the road width signboard 1 on the foremost side (first installation position) having the shortest set delay time is controlled to blink first, and the six sign light-emitting members 30 and the road surface illuminating light-emission provided thereon are controlled. The body 31 simultaneously emits light to indicate the road width and illuminate the road boundary on the ground surface GL. Next, the road width signboard 1 at the second installation position emits light, and the road width signboards 1 at the third, fourth,... Installation positions sequentially emit light, and the road width signboard 1 at the last installation position. Finally emits light to indicate the road width and guide the line of sight in the direction in which the road extends.

As time elapses, a deviation occurs between the reference points of each blinking cycle due to an accumulation error of the second operation of the clock 20 that forms the blinking cycle in each road width signboard 1. The modulation occurs in the synchronous operation of the sequential light emission during the period.

On the other hand, when the time when the time signal of the broadcast radio wave can be received, for example, several minutes before every hour, the time signal reception power supply control circuit 38 is turned on to turn on the power output C to the channel selection circuit 10 and the like. Supply power. The channel selection circuit 10 in each road width indicating board 1 automatically scans within a predetermined frequency range, receives broadcast radio waves having a predetermined signal strength or more, and stops. The broadcast radio wave received by the tuning circuit 10 is output as a radio signal, amplified by the amplifier circuit 15 and output to the time correction signal output circuit 17.

In the time correction signal output circuit 17, a time signal of 440 Hz is announced from the input radio signal.
And a time signal of 880 Hz for reporting a time signal, and outputs a time correction signal for starting time correction. When a time correction signal is input to the clock 20, the number of seconds of the clock 20 is initialized.

Accordingly, the second operation of the clocks 20 of the plurality of road width indicating boards 1 is synchronized, that is, the flashing synchronization of the lighting pulse signal is synchronized, and the sequential flashing driving between the road width indicating boards 1 is performed by It returns to the normal state shifted by the set delay time. This time adjustment is repeated every night and every hour. After the time adjustment, the time signal reception power supply control circuit 38 is turned off, the power supply output C is turned off, the channel selection circuit 10 and the like are put into a pause state, and power consumption is reduced. To reduce.

It should be noted that the present invention is not limited to the above description and examples of the drawings, and the embodiments thereof can be modified without departing from the technical idea of the present invention. For example, the plurality of sign illuminants are configured to emit light sequentially from the one arranged at the top to the one arranged at the bottom, and the sign illuminator at the bottom of the road width sign plate at the first installation position. Following the light emission of the body, the order of the vertical position of the sign illuminators and the position of the road width sign are set so that the sign illuminant at the top of the road width sign at the second installation position emits light. ,
Synchronous blinking control may be performed.

Further, the road surface illumination light emitters but it may also be a laser light source device.

Further, a wideband receiving circuit using a non-variable frequency wideband tuning system having a wide receiving frequency range may be provided in place of the automatic scanning receiving circuit instead of the channel selecting circuit.

[0043]

Since the road width signboard of the present invention is constructed as described above, the blinking control of the sign light emitter is performed by setting a delay time corresponding to the installation position of a plurality of road width sign boards connected in series. , And blinking control can be performed by relating them. Therefore, the light emission timing and the light emission position of the sign light emitter can be accurately recognized in the direction in which the road extends, and the recognizability of the road width and the extended state of the road can be improved. In the case of a device equipped with a road surface illuminator, the radiated light illuminates the ground surface, so that the road boundary can be clearly marked.

Also, the one provided with the automatic scanning receiving circuit
Accurately tune to the broadcast wave in the area where the road width sign is installed, correct the blinking cycle between the road width signs over time, and synchronize the multiple road width signs accurately at all times. You can control blinking.

Further, the time signal reception power supply control circuit has an effect of reducing the power consumption of the road width signboard by regulating the operation time of the channel selection circuit for receiving broadcast radio waves, the time correction signal output circuit, and the like.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a road width marking plate according to an embodiment of the present invention.

FIG. 2 is a front view showing the outer shape of a road width marking plate.

FIG. 3 is a front view of the main body.

FIG. 4 is a side view of FIG. 3;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Road width signboard 5 Main body 10 Tuning circuit 15 Amplifier circuit 17 Time correction signal output circuit 20 Clock 22 Lighting pulse signal generation circuit 25 Delay circuit 27 Flashing control circuit 30 Indicator light emitter 31 Road surface light emitter 33 Power supply device 34 Solar cell 36 storage battery 37 power control circuit 38 time signal reception power control circuit

 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-4-192202 (JP, A) JP-A-63-176118 (JP, U) JP-A-6-11100 (JP, U)

Claims (2)

(57) [Claims] 1. A vehicle comprising: a main body arranged vertically; and a plurality of sign illuminators mounted on the main body and capable of radiating light substantially horizontally forward. A road width indicating board for indicating a width, a tuning circuit for receiving a broadcast wave and outputting a radio signal, an amplifying circuit for amplifying the radio signal, and a time correction signal for detecting a time signal of the radio signal. A time correction signal output circuit, a clock having a quartz oscillator, the time of which can be corrected by the time correction signal, and a lighting pulse signal generating a blinking cycle of the indicator light emitter based on a second operation cycle of the clock. A delay circuit configured to set a delay time corresponding to the installation position of the main body and delaying the phase of the lighting pulse signal by a set delay time, based on the lighting pulse signal subjected to the delay processing. A lighting control circuit for blinking controlling the serial indication light emitter, and a power supply device including a battery and power control circuit is charged by the solar cell and the solar cell, it is controlled by the flash control circuit to substantially directly below direction light
The ground surface directly below the main body is radiated so that it can be radiated in the form of a spot.
And a road surface illuminator . 2. A main body disposed in a vertical direction and a front body.
Equipped on the main body to emit light almost horizontally forward
A plurality of sign illuminators, and a
It is a road width signboard that indicates the width , and automatically scans the reception frequency range and receives broadcast radio waves.
An automatic scanning receiving circuit that stops and outputs a radio signal; an amplifier circuit that amplifies the radio signal; and detects a time signal of the radio signal and outputs a time correction signal.
Time correction signal output circuit and a quartz oscillator , and the time can be corrected by the time correction signal
And a blinking cycle of the indicator luminous body based on the second operation cycle of the watch.
Pulse signal generation circuit that forms a period and a delay time that can be set according to the installation position of the main unit.
And sets the phase of the lighting pulse signal to a delay time
A delay circuit for delaying the signal, and the indication based on the delayed lighting pulse signal.
A flashing control circuit for flashing the illuminant, a solar cell, and a storage battery charged by the solar cell.
A power supply device including a power supply control circuit in rabbi is controlled by the substantially directly below direction light by the flashing control circuit
The ground surface directly below the main body is radiated so that it can be radiated in the form of a spot.
Road width marking plate, wherein the road surface illumination light emitter that is, to become comprises a.