JPH0454598A - Tentative semaphore signal system - Google Patents

Abstract

PURPOSE:To omit a signal cable which secures the connection between an operation start means and a timer means and to facilitate the handling of a system by starting the operation of each semaphore signal by the operation start means and securing the blanking synchronization of signal lamps by the timer means. CONSTITUTION:Both semaphore signals 1a and 1b are put close to each other at the end of a setting operation of a fixed time and then started synchronously with each other when a single operator pushes two push-buttons at one time. Then the master semaphore signal 1a is carried to a single side 42a of a construction zone 41, and the slave semaphore signal 1b is carried to the other side 42b of the zone 41 respectively. Then the accurate synchronization is secured between the red and blue lamps 5 and 6 by means of a timer 27 and a time correction circuit 31 which corrects the timer 27. As a result, the accurate traffic control is secured in a relevant traffic control area and no signal cable is required between both semaphore signals.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a temporary traffic light system used temporarily at road construction sites, construction sites, traffic accident sites, etc., and particularly relates to a temporary traffic light system that causes the signal lights at each traffic light to blink. The present invention relates to a temporary traffic light system that can omit cables for synchronizing operations.

[Conventional technology]

Conventional temporary traffic light systems of this type are used in areas where one side of two-way traffic is restricted (traffic regulation area), such as road paving, road improvement, vehicle entry and exit to construction sites, and one-way traffic at traffic accident sites. Temporary traffic lights were installed at each entrance and exit.

Even if the road is originally a two-lane road where vehicles can travel in both directions, it is known that traffic is controlled by having vehicles alternately pass through this traffic restriction area with a one-lane driving width. ing.

Such temporary traffic light systems use a plurality of portable traffic lights to regulate vehicles. This traffic light is capable of alternately flashing a red light or a green light (signal light) on its own, is constructed in a shape that can be easily temporarily installed, and is lightweight.

In this temporary traffic light system, at least two of these traffic lights are prepared and both are connected by a signal cable, and the blinking of each signal light of both is synchronized via this signal cable.

In conventional temporary traffic light systems, one traffic light (base unit) is equipped with a device that controls the blinking of each signal light, the other traffic light (slave unit) is equipped with a signal light that simply lights up, and one traffic light is equipped with a device that controls the blinking of each signal light. The signal light of the other traffic signal was blinking via a signal cable from one station to the other.

By using such a temporary traffic light system, it can be used temporarily, for example, at a construction site where a road is being paved or various structures are buried in the road, and it can be used to regulate the traffic of vehicles passing through the construction site. be able to. Therefore, there is no need for a guard to control vehicles, and construction work can proceed safely.

[Invention tries to solve! IN) However, when a temporary traffic light system such as the one described above is used, a signal cable is required to connect the two traffic lights in order to synchronize the blinking of each signal light in both traffic lights. Furthermore, in conventional temporary traffic light systems, when the signal cable is long, a voltage drop occurs at the end of the signal cable, causing the blinking of the signal light of the other traffic light to dim. Furthermore, in conventional temporary traffic light systems, the signal cables connecting the traffic lights are long, making them inconvenient to handle, and there are also disadvantages in that accidents such as signal cables being cut when vehicles pass through them occur.

SUMMARY OF THE INVENTION An object of the present invention is to eliminate the above-mentioned drawbacks and provide a temporary traffic light system that does not require a signal cable for blinking a signal light.

[Means to solve the problem]

In order to achieve the above object, the temporary traffic light system of the present invention arranges traffic lights that alternately flash at least red and blue signal lights at two or more points in a traffic regulation area,
In a temporary traffic light system that controls the traffic of vehicles passing through the f+lI area by controlling the lighting time of each traffic light, the traffic light includes a timer means that can count the real time and output the real time, and the timer. a control means for capturing the real time from the means, forming a blinking control signal from the real time based on the blinking setting of each signal light set on the operation panel, and outputting the blinking control signal; - A light driving means for driving each signal light to blink based on a control signal, and an operation starting means for starting an operation of forming a blinking control signal of the control means.

Here, it is preferable that the operation start means is configured such that at least two traffic lights can start their operations simultaneously by push buttons provided on the two traffic lights. Further, it is preferable that the operation starting means is a means for simultaneously starting the operation of both traffic lights using radio waves. Furthermore, it is preferable that the operation starting means is a means for simultaneously starting the operation of both traffic lights using light. Further, the operation starting means may be a means for simultaneously starting the operation of both traffic lights using sound waves.

(Function) The plurality of traffic lights can accurately blink each signal light using a blinking control signal formed from the real time from an accurate real-time timer means and a blinking value set on the operation panel, and Since both traffic lights are started to operate at the same time by the operation start means, traffic can be accurately regulated in the traffic regulation area, and a signal cable connecting each traffic signal is not required.

〔Example〕

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

FIG. 1 is a perspective view of a traffic light of a temporary traffic light system illustrating a first embodiment of the present invention.

The traffic light 1 shown in FIG. 1 has a leg 3 vertically disposed in the center of a cross-shaped leg base 2, and a main body 4 housing electronic circuits and the like is mounted on the upper end of the leg 3. This main body 4 is provided with a red light 5 and a blue light 6 on the upper and lower sides of the negative side, a cover 7 is provided above the red light 5, and a cover 8 is provided above the blue light 6, respectively. Further, on the other side of the main body 4, there is provided an operation panel 10 which also has a display section 9. Further, in the temporary traffic light system of this embodiment, in which a power cable 11 connected to a power source such as a commercial power source or a battery is extended from the main body 4, at least two traffic lights 1 having this configuration are used.

FIG. 2 is a plan view showing an operation panel 10 which also serves as a display section 9 used in this first embodiment.

The operation panel 10 shown in FIG. 2 includes a display section 9 and an operation section 12, and is configured as follows. That is, the display section 9 is provided with a display panel 13 at the top for displaying real time and a setting panel 14 at the bottom for displaying settings and values. The operation unit 12 also includes push buttons 15 to 15.
20 and mode selection switches 21 and 22. The push button 15 indicates the current time, and the push button 16 indicates the first traffic light 1 (NQ1 device), which is the main device.
The push button 17 indicates the lighting time T1 of the blue light 6 of the second signal 4411 (-2 device), which is a slave device, and the push button 18 indicates the overlap time T of the red light 5. , the push button 19 can be used to set or operate the start of flashing, and the push button 20 can be used to end the flashing. In addition, the mode selection switch 21
allows selection of operation mode or setting mode, and mode selection switch 22 allows selection of normal operation mode or red dot reduction operation mode.

FIG. 3 is a block diagram showing the control section in the first embodiment.

In FIG. 3, the main components of the control section 25 include a controller 26 constructed of, for example, an 8-bit microcomputer, and a 24-hour timer 27 that is controlled by this controller 26 and that notifies the controller 26 of the current time.
For example, the time tone from the AM receiver 28 is extracted by the bandpass filter 29 and then sent to the interface circuit 30.
a time adjustment circuit 31 that shapes the waveform and transmits a time adjustment signal to the controller 26; and a signal forming circuit 3 that outputs a trigger signal based on the blinking control signal from the controller 26.
It is composed of 2.

Here, the display section 9 and the operation section 12 of the operation panel 10 are connected to the controller 26, and the signal forming circuit 32 includes switching elements 33.3 constructed of, for example, SSR.
4 is connected. These switching elements 33.
34 is configured such that a red light 5 and a blue light 6 connected to a commercial power source can be blinked by a trigger signal from the signal forming circuit 32. Incidentally, the signal forming circuit 32 and the switching elements 33 and 34 constitute a lamp driving means. Further, reference numeral 36 is a DC power supply that rectifies the commercial power supply in order to supply driving DC power to each circuit.

The operation of the embodiment configured as described above will be explained with reference to FIGS. 4 to 6.

(Initial value setting) First, each traffic light 1a, lb with the same configuration as shown in FIG.
It is necessary to set initial values that determine the operation of the .

For this reason, the two traffic lights 1a and 1b are gathered in one place until they can approach each other, and conditions for blinking the red light 5 and the blue light 6 are set. This is done by selecting the setting mode with the mode selection switch 21 on the operation section 12 of the operation panel 10, and as shown in FIG. Lighting time T of blue light 6 of 1b
, and the overlap time T of both red lights 5,
and are set by operating the push buttons 16 to 18.

Similarly, the push button 15 of the operation section 12 of the operation panel 10
to set the current accurate time on each traffic light 1a, 1b. The time T I"" Ts is set to an optimal value based on the condition of the road where traffic is to be regulated, the regulated distance, and the time of day and night based on the traffic volume. Note that other necessary settings are made by operating the operation section 12 of the operation panel IO.

(Installation of traffic lights) When the settings are completed in this way, the temporary traffic light system of the present invention is installed at the location where traffic regulation is to be performed.

For example, as shown in FIG.
The traffic light 1a is attached to one end 42a of 1, and the traffic light 1 is attached to the other end 42b.
Set up each b. Then, the power cables 11 of each of the traffic lights la and lb are inserted into the respective outlets to complete the preparation.

<Starting the traffic lights> Once the preparations shown in Figure 5 are completed, both traffic lights la and l
Start b. In this start, both traffic lights 1
An operator is placed at each of a and lb, and each operator operates by pressing the start button 19 of the signals 411a and 1b at the same time. Then, in places where the length of the construction section 41 is relatively short, the construction section 41
In areas where the traffic lights are relatively long, one operator signals the other operator using a signal such as a hand flag and has them press the operation start buttons 19 of the traffic lights 1a and 1b at the same time.

With this method, the signal 11a of the master device and the signal 1b of the child device operate according to the initial setting values.

Here, signal 1 of the main unit! 1a operates according to the flowchart shown in Figure 6 (→, and the slave unit's traffic light 1b operates as shown in Figure 6)
It operates according to the flowchart shown below.

In other words, in parent unit traffic light [a], the controller 26 monitors whether the start button 19 is pressed (step 100), and when the start button 19 is pressed (step 100), the controller 26 immediately starts generating a signal. Step 832 is operated to switch the switching element 34 to turn on the blue light 6 (Step 101), wait until time T1 has elapsed (Step 102), and then,
When time T has elapsed (step 102), the controller 26 operates the signal forming circuit 11B52 to switch the switching element 33 to turn on the red light 5 (step 103), and waits until time T2+27s has elapsed (step 103). 104) When time T8+2T has elapsed (step 104), the process returns to step 101, and this operation is repeated thereafter.

Further, in the slave device traffic light 1b, the controller 26 monitors whether the start button 19 has been pressed (step 200).
When is pressed (step 200), the signal forming circuit 32 is immediately operated to switch the switching element 33 to turn on the red light 5 (step 201), time T,
Wait until +2T=(first time T++Ts) passes (step 202), then time 'i', +2T
s (first time T t + T s) (step 202), the controller 26 operates the signal forming circuit 32 to switch the switching element 34 to turn on the blue light 6 (step 203), and the time Wait until Tt has elapsed (step 204).

When time T8 has elapsed (step 204), the process returns to step 201, and this operation is repeated thereafter.

In addition, each trust! In l1la and tb, since the times T1 to Tb are operated based on the real time of the timer 27, a slight delay etc. will occur. However, since the time is corrected every hour by inputting a time correction signal from the time correction circuit 31, the red lights 5 and blue lights 6 of each traffic light 1a, lb do not blink completely different.

In addition, when starting, each traffic light 1a,
Although the push button 19 was pressed after installing 1b, the following starting method may also be used.

That is, when the above-mentioned time T I-T s setting operation is completed, both traffic lights 1a and 1b are brought close to each other, and when a second operator presses the two push buttons 19 at the same time, the signals are started synchronously. After that, the signal 111a of the master unit is carried to one side 42a of the construction zone 41, and the slave unit←signal 1b is carried to the other side 42b of the construction zone 41 and installed. In this case, blinking of the red light 5 and blue light 6 can be controlled by keeping only the controller 26 in operation with a built-in battery, etc., and connecting the power cable 11 to the commercial power source at each installation location 42a, 42b. .

According to this embodiment, the signals 111a and 1b are started with human intervention, and the red light 5 and the blue light 6 are synchronized using the accurate timer 27 and the timer 2.
Since this is done by the time adjustment circuit 31 that corrects the time adjustment circuit 31, there is no need for a synchronization signal cable connecting the two, making handling convenient.

(Second Embodiment) FIG. 7 shows a second embodiment of the present invention, in which (a) shows the circuit of the signal 1a of the base unit, and (c) shows the circuit of the slave unit. Each circuit of the traffic light 1b is shown.

In the embodiment shown in FIG. 7, a radio device is used to start the operation of each traffic signal, and is configured as follows.

That is, the traffic light 1a is equipped with a transmitter 50 that can transmit radio waves of a specific frequency when the push button 19 is pressed, as shown in FIG. 7(a). Also, traffic light 1
b, as shown in FIG. 7(b), a radio wave of a specific frequency is received, and when this radio wave is received, the controller 2
6 is provided. In addition, 52.
53 is an antenna. The configuration other than the above description is the same as that of the first embodiment.

In this second embodiment, after setting the initial values as in the first embodiment, traffic lights 1a and Ib are installed at one end 42a and the other end 42b of the construction site 41, respectively, as shown in FIG. .

Next, the operator presses the start button 19 of the signal 111a of the base unit. As a result, the controller 26 starts operating, and the controller 26 drives the transmitter 1iso to cause the transmitter 50 to emit radio waves for a certain period of time. Then, in the slave signal 1b, the receiver 51 receives the radio wave from the parent signal 1a, and operates the controller 26 of the signal 1b. As a result, the controller 26 of the slave signal 1b starts operating, and the controller 26 of the slave signal 1b starts operating.
will operate synchronously.

In this case, since the traffic light 1b starts its operation by the radio wave of the operation start command from the traffic light 1a, the traffic light 1b can be operated without any synchronization deviation. Other functions and effects are similar to those of the first embodiment.

<Third Embodiment> Fig. 8 shows a third embodiment of the present invention, in which (a) shows the circuit of the signal 111c of the base unit, and (c) shows the circuit of the signal 111c of the slave unit. Each circuit of the traffic light 1d is shown.

In the embodiment shown in FIG. 8, the means for starting the operation of each of the traffic lights 1c and 1d uses light such as a laser beam, and is constructed as follows.

First, the traffic light 1c is provided with a light transmitting means 54 which can transmit, for example, infrared laser light when the push button 19 is pressed, as shown in FIG. 8(a). The light transmitting means 54 includes a projector 56 incorporating an infrared laser light emitting element 55 that generates infrared laser light, and a drive circuit 57 that drives the infrared laser light emitting element 55 on and off. The projector 56 includes an infrared laser light emitting element 55
It consists of a reflecting plate 58 provided on one side of the laser beam and a lens 59 that converges the laser beam.

The traffic light 1d is also provided with an optical receiver 60 that receives infrared laser light and converts it into an electrical signal to operate the controller 26, as shown in FIG. 8(C). The optical receiver 60 includes an infrared filter 61 on the front, an optical system 64 that includes a reflecting surface 63 that effectively focuses infrared laser light on a light receiving element 62, and an electrical signal from the light receiving element 62 of the optical system 64. The waveform shaping circuit 65 forms a signal for driving the controller 26 based on the waveform shaping circuit 65. Note that other than the above configuration, the configuration is the same as that of the first embodiment.

In this third embodiment, similarly to the first embodiment, traffic lights 1cs1d are installed at one end 42a and the other end 42b of a construction site 41, respectively, as shown in FIG. Then,
Press the start button 19 of the traffic light 1c of the main unit. As a result, the controller 26 starts its operation, and the controller 26 drives the light transmitting means 54 to cause the light transmitter 56 of the light transmitting means 54 to emit laser light for a certain period of time. Then, the optical receiver 60 receives the laser beam and transmits it to the light receiving element 62.
The signal is detected by the waveform shaping circuit 65, the waveform is shaped by the waveform shaping circuit 65, and the controller 26 starts operating. As a result, the slave unit's traffic light 1d
The controller 26 starts operating, and the signal 1c of the base unit is activated.
It will work in sync with. Here, the operation of each traffic light IC 11d described above operates according to the same flowchart (FIG. 6) as the operation of the first embodiment.

In this case, the traffic light 1d starts operating with the laser light from the traffic light 1c, so it operates with almost no synchronization deviation. Other functions and effects are similar to those of the first embodiment.

Although laser light is used in the third embodiment, normal light may be used for operation.

<Fourth Embodiment> Fig. 9 shows a fourth embodiment of the present invention, in which (a) shows the circuit of the signal 111e of the base unit, and (b) shows the circuit of the signal 111e of the slave unit. The circuits of the traffic lights IF are shown respectively.

In the embodiment shown in FIG. 9, the means for starting the operation of each traffic signal uses sound such as ultrasonic waves.

The signal @1e of the base unit is provided with an ultrasonic wave sending means 70 which can send out, for example, ultrasonic waves when the push button 19 is pressed, as shown in FIG. 9(a). The ultrasonic wave transmitting means 70 includes a reflex horn 72 that incorporates a vibration element 71 that generates ultrasonic waves and effectively transmits the ultrasonic waves in a desired direction, and a drive circuit 73 that provides a predetermined drive signal to the vibration element 71. It consists of

With this configuration, when the push button I9 is pressed down, the controller 26 starts operating and also operates the drive circuit 73. Further, the signal l1lf is provided with an ultrasonic receiver 75 that receives a predetermined ultrasonic wave and converts it into an electric signal to operate the controller 26, as shown in FIG. 9(b). includes a sound collecting reflector 76, a vibrating element 77 that converts the ultrasonic waves collected by the sound collecting reflector 76 into an electrical signal, and a controller that obtains an activation signal from the electrical signal converted by the vibrating element 77. 26 and a drive circuit 78 for starting the drive circuit 26.

Note that other than the above configuration, the configuration is the same as that of the first embodiment.

In the fourth embodiment, the traffic lights 1e and If are connected to one end 42 of the construction site 41, as shown in FIG.
a and the other end 42b, respectively. Next, press down the start button 19 of the traffic light 18 of the base unit. As a result, the controller 26 starts its operation, and also drives the ultrasonic wave sending means 70 to emit ultrasonic waves from the reflex horn 2 towards the traffic light 1r for a certain period of time.

As a result, in the slave unit's traffic signal if, the ultrasonic reception 117
The sound collecting reflection plate 76 of No. 5 collects and receives the ultrasonic waves, and applies the collected ultrasonic waves to the vibrating element 77 . This results in
An electric signal is generated in the vibration element 77, and the drive circuit 78 causes the controller 26 to start operating.

As a result, the controller 26 of the slave traffic signal 1 starts operating and operates in synchronization with the master traffic signal 1e.

In addition, in this configuration, accurate synchronization can be achieved if the distance from each of the traffic lights 1e and 1f is used as a correction value so that the traffic light If can be adjusted.

Here, the operation of each of the above-mentioned traffic lights 1e and 1f operates according to the same flowchart (FIG. 6) as the operation of the first embodiment, except that the starting part is different.

In this case, the ultrasonic waves from the signal 111e cause the signal II to
Since 1e starts its operation, it can be operated with almost no synchronization deviation. Other effects are similar to those of the first embodiment.

Note that in the fourth embodiment, ultrasonic waves are used to synchronize both traffic lights, but normal sound may be used to activate and synchronize both.

Furthermore, in each of the above embodiments, in short, by starting each traffic light 1 at the same time, the blinking of the red light and the blue light of both are synchronized, but this starting means is limited only to each of the above embodiments. isn't it.

Fifth Embodiment> FIG. 10 is a perspective view showing the appearance of a fifth embodiment of the temporary signal system of the present invention.

The main unit signal 1g shown in FIG. 10 has a cross-shaped leg 2 with a vertically disposed 113 in the center, and a main body 4 that houses electronic circuits and the like on the upper end of the leg 3. This main body 4 is provided with a red light 5 and a blue light 6 on the upper and lower sides of the negative side, a cover 7 is provided above the red light 5, and a cover 8 is provided above the blue light 6, respectively. An operation panel 10 that also has a display section 9 is provided on the other side of the main body 4.

Further, a power cable 11 extending from the main body 4 is connected to a power source such as a commercial power source or a battery.

Furthermore, an antenna 81 is provided on the upper side of the main body 4.

Next, the traffic light 1h, which is a slave unit, has a cross-shaped leg platform 2h.
A leg 3h is provided vertically in the center of the body, and a main body 4h housing electronic circuits and the like is mounted on the upper end of the leg 3h. This main body 4
h is provided with a red light 5h and a blue light 6h on the upper and lower sides, a cover 7h is provided over the red light 5h, and a cover 8h is provided over the blue light 6h, and is easy to operate. A board 87 is provided. Further, a power cable llb connected to a power source such as a commercial power source or a battery is extended from the main body 4h. Further, an antenna 82 is provided on the upper surface of the main body 4h.

The temporary traffic light system of the present invention is based on a traffic light 1g which is a master unit.
You can initialize data such as blinking time, blinking interval, and periodic fluctuation values during day and night. The master signal 111g operates according to the set initial value, and connects the slave traffic signal 1h using radio waves, so that the slave traffic signal 1h operates under the control of the master traffic light 1g. I'm there. As a result, the slave unit's signal 1h is
It operates completely under the control of the main unit, traffic light 1g.

FIG. 11 shows the circuit configuration of the control unit, etc. of the fifth embodiment of the present invention, in which (a) shows the circuit of the signal 1g of the base unit, and (b) shows the circuit of the slave unit. Each circuit of the traffic light 1h is shown.

In the embodiment shown in FIG. 11, the signal 1h of the slave unit is operated under the control of the signal 1g of the base unit, and the signal 1h of the slave unit is activated by the radio waves emitted from the signal 1g of the base unit.
The flashing of the red light and blue light is synchronized, and is configured as follows.

That is, in the traffic light 1g, when the start button 19 is pressed as shown in FIG. This is to ensure that it is supplied to you. The transmitter 80 supplies predetermined radio waves to the antenna 81 according to the other control signal. As a result, radio waves are emitted from the antenna 81 into the air. Note that the configuration other than the above description is the same as that of the first embodiment.

Further, as shown in FIG. 11 (b), the slave signal 1h receives the radio waves emitted from the signal 111g with an antenna 82 and supplies them to the receiver 83, and the receiver 83 responds to the received radio waves. A control signal is generated and sent to the control unit 8.
5 can be supplied. The control unit 85 blinks the red light 5h and the blue light 6h in response to this control signal. The control unit 85, which is the main configuration of the slave traffic signal 1h, includes a controller 86 that forms a blinking control signal in response to a control signal from the receiver 83, and a signal forming unit that has the same configuration as the first embodiment. It is composed of a circuit 32.

Here, the controller 86 of the control unit 85 is connected to an operation panel 87 provided with switches for turning on/off the power supply and performing operation tests. Note that switching elements 33 and 34 similar to those in the first embodiment are connected to the signal forming circuit 32. These switching elements 33.34
The red light 5h and blue light 6h connected to a commercial power source can be blinked by a trigger signal from the signal forming circuit 32.

Further, as in the first embodiment, driving DC power is supplied to each circuit by a DC power supply 36.

In this fifth embodiment, as shown in FIG.
, 1h are installed at one end 42a and the other end 42b of the construction site 41, respectively. Next, after setting the initial value of the base unit traffic light 1g, the operator presses the start button 19 of the base unit traffic light 1g. As a result, the controller 26 starts operating, and the controller 26 outputs a blinking control signal to the signal forming circuit 32, and also supplies the transmitter 80 with another control signal synchronized with the blinking control signal. Transmitter 8
0 causes a predetermined radio wave to be emitted from the antenna 82 in accordance with the other control signal. The radio waves output from this transmitting mso are AM-modulated or FM-modulated using other control signals.

In the slave signal 1h, a receiver 1183 receives the radio waves via the antenna 82, forms a control signal, and operates the controller 86 using this control signal. As a result, the controller 86 of the signal 1111h of the slave unit starts operating, and the signal 1h starts operating.
They will operate synchronously under the control of

In this case, since the traffic signal 1h is operated by the radio waves of the control command from the traffic signal 1g, it can be operated without any synchronization deviation. Other functions and effects are similar to those of the first embodiment.

<Sixth Embodiment> FIG. 12 shows a sixth embodiment of the present invention.
FIG. 3(a) shows the circuit of the signal 1j of the parent device, and FIG. 2(b) shows the circuit of the signal 1 of the slave device.

In the embodiment shown in FIG. 12, the slave unit's traffic light 1k is operated under the control of the base unit's traffic light 1j, and the slave unit is controlled by light such as a laser beam emitted from the base unit's traffic light 1j. The blinking of the red light and blue light of the traffic light 1 is synchronized, and is configured as follows.

First, as shown in FIG. 12(a), the signal 111J of the base unit is provided with a light transmitting means 90 that can transmit, for example, an infrared laser beam when the start button 19 is pressed. The light transmitting means 90 includes a projector 92 containing an infrared laser light emitting element 91 that generates infrared laser light, and a drive circuit 93 that drives the infrared laser light emitting element 91 on and off. The detailed configuration of the optical transmitting means 90 may be the same as that of the third embodiment (see FIG. 8(a)).

Further, the signal m1lk is provided with an optical receiver 95 that receives the infrared laser beam and converts the laser beam into an electric signal to operate the controller 86 of the control section 85, as shown in FIG. 12 (b). be. The optical receiver 95 has a configuration similar to that of the third embodiment (see FIG. 8 (b)), and includes an optical system 97 that effectively focuses infrared laser light on a light receiving element 96, and A waveform shaping circuit 98 is provided for forming a control signal for driving the controller 86 based on the electrical signal from the light receiving element 96 of the system 97. Note that other than the above configuration, the configuration is similar to that of the fifth embodiment (see FIG. 11(b)).

In this sixth embodiment, similarly to the first embodiment, a traffic light 111k is connected to one end 42a of a construction site 41 as shown in FIG.
and the other end 42b, respectively. Next, the start button 19 of the traffic light 1j of the base unit is pressed. This results in
The controller 26 starts operating, and the controller 26 drives the light transmitting means 9o, and the light emitter 92 of the light transmitting means 90
emit laser light according to other control signals. As a result, in the signal 111 of the slave device, the optical receiver 95 receives the laser beam, detects it with the light receiving element 96, and shapes the waveform in the waveform shaping circuit 97 to obtain a control signal. 86 is driven. As a result, the controller 86 of the slave signal m1lk operates in accordance with the control signal, and is placed under the control of the am signal 1j.

In this case, the laser light from the traffic light 1j causes the traffic light 1 to
The other operations and effects are the same as those of the first embodiment.

Although the sixth embodiment uses laser light, normal infrared light or the like may be used for operation.

〔Effect of the invention〕

As explained above, according to the present invention, the operation of each traffic light is started by the operation start means, and the blinking of the signal lights can be synchronized by the accurate timer means, so a signal cable connecting the two is not required. In addition, the signals are bright and there is no need for signal cables, which makes handling easier.

[Brief explanation of drawings]

Fig. 1 is a perspective view showing an embodiment of the traffic signal of the present invention, Fig. 2 is a front view showing the operation panel of the signal, Fig. 3 is a block diagram showing the control section of the signal, and Fig. 4 is an embodiment of the same. FIG. 5 is an explanatory diagram showing an example of use of the embodiment. FIGS. Figures (a), (b)
) is a diagram showing the second embodiment of the present invention, FIG. 8(a), (
b) is a diagram showing the third embodiment of the present invention, FIG. 9(a),
(b) is a diagram showing the fourth embodiment of the present invention, Figure 1θ is a perspective view showing the fifth embodiment of the present invention, Figure 11 (a), Φ
) is a diagram showing the fifth embodiment of the present invention, FIG. 12(a),
(b) is a diagram showing a sixth embodiment of the present invention. l...Traffic light, 2...leg stand, 3...leg, 4...
Main body, 5...Red light, 6...Blue light, 9...Display section, IO...Operation panel, 12...Operation section, 16...
Push button (start button), 26... Controller, 27... Timer, 31... Time adjustment circuit, 32... Signal forming circuit, 33.34... Switching element, 50.80... Transmitter, 51.83...
・Receiver, 54.90... Optical transmitting means, 60.95・
...Optical receiver, 70... Ultrasonic wave sending means, 75...
Ultrasonic receiver, 81.82...antenna. (a) Figure (b)

Claims (5)

[Claims] (1) Traffic lights with at least red and blue signal lights flashing alternately are installed at two or more locations within the traffic control area;
In a temporary traffic light system that controls the traffic of vehicles passing through the area by controlling the lighting time of each traffic light, the traffic light includes a timer means that can count the real time and output the real time, and the timer means. a control means for capturing the real time from the controller, forming a blinking control signal from the real time based on the blinking setting of each signal light set on the operation panel, and outputting the blinking control signal; and a control means for controlling the blinking from the control means. 1. A temporary traffic light system comprising: a light driving means for driving each signal light to blink in response to a signal; and an operation starting means for causing the control means to start an operation of forming a blinking control signal. (2) The temporary traffic light system according to claim 1, wherein the operation starting means is configured to enable both of the traffic lights to start operating simultaneously by push buttons provided on at least two traffic lights. (3) The temporary traffic light system according to claim 1, wherein the operation starting means comprises means for simultaneously starting the operation of both traffic lights using radio waves. (4) The temporary traffic light system according to claim 1, wherein the operation starting means comprises means for simultaneously starting the operation of both traffic lights using light. (5) The temporary traffic light system according to claim 1, wherein the operation starting means comprises means for simultaneously starting the operation of both traffic lights using sound waves.