JPS61176709A - Light self-emitting type delineator - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a delineator that uses a solar cell as a power source to turn on or blink a plurality of light emitting diodes to attract attention.

(Prior art and problems) Self-luminous delineators installed for the purpose of marking roads and road shoulders, and guiding the line of sight on meandering roads are powered by commercial power.
The power source is a dry battery, etc., and especially when used on roads where there is no commercial power supply facility, the dry cell etc. need to be replaced periodically, which requires a large amount of maintenance work. Therefore, a self-luminous delineator was devised that uses solar cells as a power source.

(Japanese Utility Model Publication No. 52-95889, Japanese Patent Application Publication No. 52-890
(Refer to Publication No. 81 and Japanese Patent Application Laid-Open No. 52-89082) When a solar cell is used as a power source for a light emitting diode as a lighting and clearing switch for these self-luminous delineators, the KF
It is used as a means to detect the brightness and darkness of the R area, and the detected signal is used to operate a light emitting diode. That is, the level of the output voltage of the solar cell is converted into a signal.

For example, when the output voltage of the solar cell is high, the storage battery is charged, and after sunset, when the output voltage falls below a certain value, the storage battery is discharged and the light emitting diode lights up or blinks. Furthermore, when the sun rises and the output voltage of the solar cell exceeds a certain value, discharging from the storage battery stops and at the same time, the output of the solar cell is used to charge the storage battery.

In fact, self-illuminating delineators are installed in places where roads are very meandering or in areas where traffic accidents occur frequently, and it is common for them to be installed in multiple rows at regular intervals. For this reason, only the light-emitting diode of a self-luminous delineator installed in the shadow of an obstacle such as a tree may start to turn on or blink quickly, or even if the individual blinking cycles are set to a constant value, multiple self-luminous delineators may Looking at the type delineators, each self-luminous type delineator flashes randomly, which confuses passing cars and has the drawback of not being able to provide correct traffic information.

(Objective of the present invention) The present invention eliminates the above-mentioned drawbacks, and maintains the maximum effect of using solar cells as a power source, that is, the freedom of installation (no need for power supply wiring), while maintaining the flexibility of installation (no need for power supply wiring). To provide a self-luminous delineator which provides correct traffic information to passing vehicles by linking the lighting or blinking operations of the luminous delineator.

(Means for Solving the Problems) In order to achieve the object of the present invention, as a technical means, a plurality of light emitting diodes arranged on the surface of a lamp device are turned on or blinked using a solar cell as a power source. A plurality of self-emitting type delineators are installed, and each self-emitting type delineator is provided with a means for transmitting and/or receiving a control signal for lighting or blinking the light emitting diode.

(Example) Hereinafter, an example of the self-luminous delineator of the present invention will be described in detail based on the drawings.

FIG. 1 is an external view of a self-luminous delineator according to the present invention.

The self-emitting type delinator 1 is composed of a solar cell 2, a cell case 8, a light emitting diode 4, and a lamp device (hereinafter referred to as the main case) 5.

The solar cell 2 is a power source for the light emitting diode 4, and is made of materials such as crystalline silicon, amorphous silicon, GaAs, and polymer semiconductors, and generates electricity when exposed to light of a certain level or higher.

The cell case 3 is made of a light-transmitting resin in the shape of a handrail sphere, and serves to protect the solar cell 2 from the outside air and at the same time efficiently concentrate sunlight onto the solar cell 2.

The light emitting diode 4 lights up or blinks at night due to the operation of a block circuit which will be described later.

The main body case 5 fixes a cell case 8, a front cover 6, a reflector 7, etc., which will be described later, and protects internal electronic circuits and secondary batteries. In order to protect these, the main body case 5 is made of polycarbonate resin or the like with excellent weather resistance and impact resistance.

A solar cell 2 is placed on the top surface of the main body case 5, and the EV
A, a transparent resin such as silicone laparotomy is filled and a cell case 3 is provided. The electromotive force from the solar cell 2 is connected to a control electronic circuit and a secondary battery via lead wires (not shown). A plurality of light emitting diodes 4 are installed upright on a circuit board inside the main body case 5, projecting in a ring shape from one surface of the main body case 5, and further, the light emitting diodes 4 are arranged so as to be in close contact with the surface of the main body case 5. A transparent front cover 6 is provided to cover 4. This completely blocks moisture and the like from entering through the protruding portions of the light emitting diode 4 and the main body case 5.

Further, in order to improve the visibility of the self-luminous delineator 1, a beam flap 7 is provided at the center of the ring-shaped light emitting diode 4. 10 is a mount;
The mount 10 attaches the main body case 5 to the support pole 11 using fixing means such as screws. Further, on the outer surface of the main body case 5, there is a transmitting means 8 for emitting a blinking synchronization control signal to another self-luminous delineator 1' installed nearby, and a transmitting means 8 for emitting a blinking synchronization control signal to another self-luminous delineator 1' installed nearby, and a transmitting means 8 for controlling the blinking period from the adjacent self-luminous delineator 1, for example. Receiving means 9 are provided for receiving control signals.

Here, the receiving and transmitting means 8.9 is, for example, a combination of an infrared LED and a photo sensor such as a photodiode, a transmitting antenna using FM waves, and a receiving antenna.

FIG. 2 is a block circuit diagram of the self-luminous delineator of the present invention.

Figure 842 (al is a block circuit diagram of the self-luminous delineator 1 that serves as a key station scene, and (1)l of the same figure is a block circuit diagram of the self-luminous delineator 1' that is a repeater or terminal device. Common parts are given the same symbols.

First, the main circuit, which is a common feature in the block circuit diagrams of FIG. 2 (al and (1)), will be explained. The main body case 5 of the solar cell 2 is connected via a backflow prevention diode 18 to a secondary battery 14 such as a Ni or -Cd battery housed in a pole 11. The secondary battery 14 stores the electromotive force generated by the solar cell 2, and at the same time serves as a reserve in case a state in which power generation is not possible continues during the day.

The anode of the secondary battery 14 is connected to the light emitting diode 4 which is a light emitting body through the light emission control circuit 16, and the secondary battery 1
Connected to the cathode of 4.

The light emission control circuit 15 is operated by signals from a clock circuit 16 or a demodulation circuit 17 and a lighting discrimination circuit 18, which will be described later, and is composed of a monostable multivibrator, a switching transistor, a current limiting resistor, etc. A super-high-brightness light emitting diode that lights up in orange or the like is blinked at a rate of 40 to 120 in/i.

In FIG. 2(a), the signal a output from the solar cell 2 is
This is a voltage signal of the generated power, and is input to the lighting discrimination circuit 18. The lighting discrimination circuit 18 compares the voltage signal a with a reference voltage, and outputs switching signals b' and b'' when the voltage signal a is less than a certain reference voltage.

That is, the surroundings become dark (evening) and the voltage generated by the solar cell 2 decreases. Due to the change in signal a, signals b' and b'' change from OFF to ON.

Note that an optical sensor such as CdS may be used instead of detecting the voltage generated by the solar cell 20.

The clock circuit 16 to which the switching signal b' is input receives clock signals C' and α which are transmitted at 40 to 120/i.
′ is output. The clock signal σ output from the clock circuit 16 is input to the light emission control circuit 16, whereby the light emission control circuit 16 turns on the main circuit (power supply circuit) and causes the light emitting diode 4 to blink.

The modulation signal generation circuit 19 to which the switching signal υ' and the clock signal σ' are input generates the lighting synchronization signal 1 in accordance with the clock signal σ'.

This lighting synchronization signal d causes the infrared LED, which is the transmitting means 8, to emit light, thereby giving a signal wirelessly to the self-luminous type delinator 1' of the repeater or terminal device.

Next, in the block circuit diagram of the self-emitting type delinator 1'' of the repeater or terminal device shown in FIG. 2(t)l, FIG.
The lighting synchronization signal 1 by infrared rays transmitted from the self-luminous delinator 1 serving as the station scene in a) is received by a receiving means 9 such as a photosensor.

The demodulation circuit 17 removes noise from the lighting synchronization signal 1 received by the receiving means through a high-pass filter, etc., and outputs it as a lighting synchronization demodulated signal e.

When the lighting synchronization demodulation signal e and the switching signal b', which is varied depending on the voltage generated by the solar cell 2 and is output from the separate circuit 18 at point f+ and chi 11, are input to the light emission control circuit 15K, the light emission control circuit 15 turns on or blinks the light emitting diode 4 of the key station self-luminous type delinator 1 at a period of 1 m & regularity (reverse, etc.).

In addition, in the self-luminous delineator 1' of the repeater, the point ts
, the switching signal F' output from the switching circuit wr18 and the lighting synchronization demodulation signal e output from the demodulation circuit 17 are input to the modulation signal generation circuit 19. The modulation signal generation circuit 19 is a self-luminous delineator of the key station.
A lighting synchronization signal f is generated in synchronization with the light emitting diode 4 of the light emitting diode 4 or at a regular period, and the infrared @ which is the transmitting means 8 is transmitted to the self-luminous delinator 1' of the adjacent repeater or terminal device.
Make the LED emit light.

In addition, the light emitting diode of the self-luminous delineator of the terminal device is
As long as there is a receiving means and a light emission control circuit, the light can be turned on or blinked in synchronization with the light emitting diodes of the self-luminous delinators of the key station and repeater or in a regular cycle.

In addition, with the self-luminous delinator of the repeater and terminal device, the power generation voltage signal of the solar cell and the lighting discrimination circuit are omitted, and the light emitting diode can be turned on or blinked only by the lighting synchronization demodulation signal from the receiving means. A modulation signal generation circuit may also be activated.

In the above block circuit diagram, an infrared II LED and a photo sensor are used as the transmitting/receiving means, but an antenna may be used to utilize FM waves of a certain frequency.

(Function) When multiple self-luminous delineators configured as described above are arranged around the self-luminous delineator at the key station, it is possible to make each self-luminous delineator blink at the same time or alternately. The regular flashing of the lights as a whole conveys accurate traffic information to passersby, such as meandering roads and sharp curves.

In addition, even if some of the installed self-luminous delineators are shaded by trees, road structures, etc. at dusk, the lighting synchronization signal from the self-luminous delineators on key stage 1 cannot be obtained. It is possible to suppress the lighting of self-luminous delineators in shaded areas and to simultaneously light up a series of self-luminous delineators.

(Effects) As described above, the present invention provides a sequence of blinking operations by providing means for transmitting or receiving a signal for controlling the lighting or blinking cycle of the light emitting diodes to a plurality of installed self-luminous delinators. It is possible to provide accurate traffic information to passersby.

Furthermore, since a plurality of self-luminous delineators can be turned on or blinked at the same time, visibility can be improved.

[Brief explanation of drawings]

Fig. 1 is an external view of the self-luminous delineator of the present invention, and Fig. 2 is a block circuit diagram of the self-luminous delineator of the present invention. FIG. 2(h) is a block circuit diagram of the repeater or terminal device, respectively. 2-Solar battery 4-Light emitting diode 8-Eliminating means 9-Receiving means

Claims (1)

[Claims] A plurality of self-luminous delineators are installed that use solar cells as a power source to turn on or blink a plurality of light emitting diodes arranged on the surface of the lamp device, and each self-luminous delineator has a light emitting diode that turns on or blinks. A self-luminous delineator characterized by being provided with means for transmitting and/or receiving control signals.