JPH10261197A - Signal device module - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce a space occupied by the entire device and to reduce a manufacture cost and an installation cost as well. SOLUTION: A first LED(light emitting diode) lamp group 13 (arrow signal part) is constituted by arranging many blue LED lamps 12 so as to be in an arrow shape for indicating a right side and a second LED lamp group 14 is constituted by arranging many of them so as to be in a circular surface shape for surrounding the first LED lamp group 13. Thus, the entire LED lamp 12 is turned to the circular surface shape and a blue signal part 11 is constituted. The first LED lamp group 13 is driven to emit light by a first light emitting drive circuit 21 and the first LED lamp group 13 and the second LED lamp group 14 are simultaneously driven to emit the light by a second light emitting drive circuit 22. Thus, just by attaching the first and second light emitting drive circuits 21 and 22 to the control system of a general traffic signal device, the lighting control of the blue signal part 11 and the arrow signal part is made possible.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a traffic light module forming each signal portion such as a blue light portion of a traffic light, and more particularly to a traffic light module forming an arrow signal portion of a traffic light.

[0002]

2. Description of the Related Art As a conventional signal module of this type, for example, a technique shown in FIG. 16 can be mentioned.
FIG. 16 is an explanatory diagram showing a conventional three-color traffic signal provided with an arrow signal section as a signal module when the arrow signal section is lit.

As shown in FIG. 16, an arrow signal section 101 for permitting a right turn as a conventional traffic light module is a three-color traffic system in which a blue signal section 111, a yellow signal section 112, and a red signal section 113 are arranged in order from the left. The present invention is applied to a traffic light such as the traffic light 110 and is disposed at the lower end of the red traffic light unit 113 so as to point rightward. The arrow signal unit 101 includes a built-in incandescent lamp (not shown) for a certain period of time from the start of lighting of the red signal unit.
, The blue arrow 101a indicating the right direction is simultaneously lit, thereby permitting the vehicle to proceed in the direction indicated by the arrow 101a (to the right). In addition, as a similar traffic light module, in addition to the arrow signal part 101 for right turn permission shown in FIG. 16, a blue arrow signal part for instructing left to permit left turn, and a blue arrow signal part for instructing forward to permit straight ahead There is also a yellow arrow signal part that permits a right turn or the like of a tram.

[0004]

However, in any of the conventional traffic light modules, the arrow signal portion is disposed at the lower end of the red, yellow or blue signal portion of the traffic signal. Therefore, a space for the arrow signal portion is further required at the lower end side of the ordinary three-color traffic light, and the device is increased in size, and the manufacturing cost and the installation cost are increased.

Accordingly, an object of the present invention is to provide a traffic light module capable of reducing the space occupied by the entire apparatus, and also reducing the manufacturing cost and the installation cost.

[0006]

According to a first aspect of the present invention, there is provided a traffic light module comprising: a first LED group in which a large number of LEDs of a predetermined color are arranged in an arrow shape indicating a predetermined direction;
LEDs of the same color as the first LED group are
A second arrangement in which a large number are arranged so as to form a surface surrounding the ED group
LED group.

[0007] The traffic light module according to the second aspect of the present invention includes a first LED group in which a plurality of LEDs of a predetermined color are arranged in an arrow shape indicating a predetermined direction;
A second LED group in which a large number of LEDs of the same color as the group are arranged so as to form a plane surrounding the first LED group, and a first light emission drive circuit for driving the first LED group to emit light And a second light emission drive circuit for simultaneously driving the first LED group and the second LED group to emit light.

[0008]

Embodiments of the present invention will be described below.

FIG. 1 is an explanatory diagram showing when the arrow signal portion is lit by the traffic light module according to the first embodiment of the present invention. 2 and 3 are plan views showing the arrangement of light emitting diode (LED) lamps of the traffic light module according to the first embodiment of the present invention, and FIG. 3 shows a portion corresponding to an arrow signal portion. FIG. 4 is a plan view showing a lighting LED lamp when the arrow signal portion of the traffic light module according to the first embodiment of the present invention is lit.

In the figures, the same reference numerals and symbols as those of the conventional example indicate the same or corresponding parts as those of the conventional example, and therefore, duplicated description will be omitted.

The traffic light module according to the present embodiment is shown in FIG.
As shown in the figure, the present invention is embodied as a blue signal section 11 of a three-color traffic signal 10 in which a blue signal section 11, a yellow signal section 112 and a red signal section 113 are juxtaposed. Further, the blue signal portion 11
Is integrally provided with an arrow signal section for permitting a right turn of the vehicle.

That is, as shown in FIGS. 2 to 4, the blue signal section 11 is composed of a large number of blue LED lamps 12 densely arranged in a circular plane, and indicates the LED lamps 12 to the right. The first, which is arranged in large numbers so as to form an arrow
LED lamp group 13 (LE located within the broken line in FIG. 3)
D lamp 12) and the LED lamp 12
And a plurality of second LED lamp groups 14 arranged so as to form a circular surface surrounding the LED lamp group 13.
The first LED lamp group 13 includes, as shown in FIG.
It comprises a linear portion 13a in which a number of LED lamps 12 are horizontally arranged in two rows, and a bent portion 13b in which a number of LED lamps 12 are bent to the right and arranged in two rows. The first LED lamp group 13 arranged in an arrow shape constitutes an arrow signal section of the present embodiment.

Further, the second LED lamp group 14 includes:
In order to surround the first LED lamp group 13,
To form a circular surface with the LED lamp group 13 of
A large number of LED lamps 12 are evenly arranged at regular intervals in the radiation direction and the circumferential direction. The first and second LEs
As the LED lamps 12 constituting the D lamp groups 13 and 14, it is preferable to use shell-type LED lamps having high luminous efficiency and excellent directivity, but it is possible to obtain a desired amount of light emission, and Other LEDs may be used as long as sufficient visibility can be provided.

FIG. 5 is a block diagram schematically showing a control system of the traffic light module according to the first embodiment of the present invention.
FIG. 6 is a circuit diagram showing a circuit configuration of the traffic light module according to the first embodiment of the present invention.

As shown in FIG. 5, the traffic light module according to the present embodiment includes a first light emitting drive circuit 21 for driving the first LED lamp group 13 to emit light, a first LED lamp group 13 and a second And a second light emission drive circuit 22 for simultaneously driving the LED lamp group 14 to emit light. The first light emission drive circuit 21 and the second light emission drive circuit 22 have an input side connected to the control circuit 25 and an output side connected to the first LED lamp group 13 and the second LED lamp group 14, respectively. Connected to. The first light emission drive circuit 21 receives the blue arrow signal BA for turning on the first LED lamp group 13 from the control circuit 25, and drives the first LED lamp group 13 to emit light. The second light emission drive circuit 22 receives the blue signal B for turning on the second LED lamp group 14 from the control circuit 25, drives the second LED lamp group 14 to emit light, and simultaneously outputs the first LED The lamp group 13 is driven to emit light.

More specifically, as shown in FIG. 6, the first light emission drive circuit 21 includes an element 32 for absorbing power supply noise of an AC current supplied from an AC power supply 31 and an AC current supplied from the AC power supply 31 A rectifier 33 for rectifying the current;
Out of the first LED lamp group 13, two rows of LED lamps 12 in the horizontal section 13a and two rows of LED lamps 12 in the bent section 13b are connected in parallel to a total of four rows of LED lamps 12. The second light emission drive circuit 22 includes an AC power supply 4
An element 42 for absorbing power supply noise of the alternating current from 1;
A rectifier 43 for rectifying an AC current from the AC power supply 41 into a DC current is provided.
The ED lamps 12 are divided into units in the radial direction or the circumferential direction to form a number of rows, and the LED lamps 12 in the rows are connected in parallel. Further, the second light emission drive circuit 22
Has a relay 45 connected in parallel between the element 42 and the rectifier 43. When a blue signal B is output from the control circuit 25 to the second light emission drive circuit 22, a forward direct current is supplied to the second LED lamp group 14 via the rectifier circuit 43. At the same time, the normally open contact 4 of the relay 45
5a is turned on, and the rectification circuit 43 of the second light emission drive circuit 22 is turned on.
From the first LED lamp group 13
Are also supplied.

The second light emission drive circuit 22 is connected to the second LED lamp group 14 via the relay 45 as described above.
In addition to turning on the first LED lamp group 13 at the same time as the above, other configurations can be adopted as long as the first and second LED lamp groups 13 and 14 can be simultaneously turned on.

Next, the lighting operation of the traffic light module of the present embodiment will be described in comparison with the lighting operation of the conventional traffic light module.

FIG. 7 is a circuit diagram schematically showing a circuit configuration of a conventional traffic signal. FIG. 8 is an explanatory diagram showing a representative present cycle of a conventional traffic signal. FIG. 9 is a timing chart showing the lighting timing of the signal portion of each color of the conventional traffic signal. FIG. 10 is a circuit diagram schematically showing a circuit configuration of a traffic signal using the signal module according to the first embodiment of the present invention.

First, a three-color traffic signal 110 (FIG. 1) using an arrow signal section 101 as a conventional signal module.
6), the AC power supply 115 is connected to the incandescent lamp 101b of the arrow signal unit 101 via the contact 120 and the incandescent lamp 111a of the blue signal unit 111 via the contact 121, as shown in FIG. The contact 123 is connected to the incandescent lamp 112a of the yellow signal portion 112 via the contact 122.
Are connected to the incandescent light bulb 113a of the red signal section 113 via the respective sections. When a blue arrow signal BA for lighting the arrow signal unit 101 is input from a control circuit (not shown), the contact 120 for lighting the arrow signal unit 101 is turned on, and the incandescent lamp 101b of the arrow signal unit 101 is turned on.
Further, the input of the blue signal B for lighting the blue signal portion 111 turns on the contact 121 for lighting the blue signal portion 111,
The incandescent lamp 111a of the blue signal section 111 is turned on. Further, by input of the yellow signal Y for turning on the yellow signal portion 112, the contact 122 for turning on the yellow signal portion 112 is turned on.
The incandescent lamp 112a of the yellow signal section 112 is turned on. When the red signal R for lighting the red signal unit 113 is input, the contact 123 for lighting the red signal unit 113 is turned on.
The incandescent lamp 113a of the red signal unit 113 is turned on.

The three-color traffic signals 110 are respectively provided in the intersection directions of the intersections. For example, according to the present cycle (signal lighting cycle) shown in FIG.
The lighting of 111, 112 and 113 is switched. That is, in the present cycle of FIG. 8, the three-color traffic signal 110 in the X direction (for example, the east-west direction) turns on the signal units 111, 112, and 113 in the order of blue, yellow, and red, and outputs the red signal unit 113. The arrow signal unit 101 is turned on at the same time as the start of lighting, and both the signal units 101 and 113 are simultaneously turned on for a predetermined time. After the simultaneous lighting of the red signal section 113 and the arrow signal section 101 is completed, the yellow signal section 11 is again turned on.
2 is turned on, and then the red signal unit 113 is turned on. In addition, the lighting of the red signal portion of the three-color traffic signal in the Y direction (for example, the north-south direction) continues for a while after the completion of the lighting of the yellow signal portion 112 of the three-color traffic signal in the X direction. Switch to lighting. Further, as shown in FIG. 9, the control circuit of the X-direction three-color traffic light 110
01, 111, 112, and 113 are determined, and the corresponding signals BA, B,
Y and R are output.

On the other hand, in the case of the traffic light module of the present embodiment, as shown in FIG. 10, the first light emission drive circuit 21 and the first LED lamp array 13, the second light emission drive circuit 22 and the second LED The lamp array 14 is connected in parallel to the incandescent lamp 113a of the red signal unit 113 and the incandescent lamp 112a of the yellow signal unit 112, respectively. Further, the first light emission drive circuit 21 is connected to the AC power supply 115 via the contact point 120, and the second light emission drive circuit 22 is connected to the AC power supply 115 via the contact point 121. That is, the first and second light emission drive circuits 21 integrally forming the blue signal unit 11 of the present embodiment.
, 22 and the first and second LED lamp groups 13 and 14 are provided with an arrow signal section 101 and a blue signal section 11 of a conventional example.
1 is replaced with the three-color traffic light 10.
The input of the blue signal B for lighting the blue signal unit 11 from the control circuit 25 causes the contact 1 for lighting the blue signal unit 11 to be turned on.
21 is turned on, the first LED lamp group 13 and the second LED lamp group 14 emit light simultaneously via the second light emission drive circuit 22, and the blue signal portion 11 is lit in a circular plane. In response to the input of the blue arrow signal BA for lighting the arrow signal portion from the control circuit 25, the contact 120 for lighting the arrow signal portion is turned on, and the first LED is turned on via the first light emission drive circuit 21.
The lamp group 13 emits light to turn on the blue arrow signal portion.
The yellow signal portion 112 and the red signal portion 113 are connected to the incandescent lamp 112a and the red signal portion of the yellow signal portion 112 via the contact 122 and the contact 123, respectively, in response to the input of the yellow signal Y and the red signal R as in the conventional example. 113 incandescent light bulbs 11
3a is turned on.

It should be noted that the three-color traffic signal 10 using the blue signal section 11 as the signal module of the present embodiment.
For example, according to the present cycle (signal lighting cycle) similar to the conventional example shown in FIG.
LED lamp group 13 and second LED lamp group 14,
In addition, the yellow signal section 112 and the red signal section 113 are switched on and off. Further, the control circuit 25 turns on the first LED lamp group 13 and the second LED lamp group 14 of the blue signal section 11 and the lighting of the yellow signal section 112 and the red signal section 113 in accordance with the timing chart shown in FIG. Of each signal unit 11 (1
3,14), 112, and 113 corresponding to signals BA, B,
Y and R are output.

Next, another embodiment of the present invention will be described below. In each embodiment, only the differences from the first embodiment will be described, and the same components as those in the first embodiment will be denoted by the same reference numerals in the drawings, and description thereof will be omitted. .

FIG. 11 is a plan view showing an arrangement of LED lamps of a traffic light module according to a second embodiment of the present invention. FIG. 12 is a plan view showing a lighting LED lamp when the arrow signal portion of the traffic light module according to the second embodiment of the present invention is lit.

In the second embodiment, the L level of the blue signal
The second embodiment differs from the first embodiment in that the arrangement of the ED lamps 12 is changed, and the other configurations are the same. That is, in the first embodiment, among the LED lamps 12,
L constituting the horizontal portion 13a of the first LED lamp group 13
The ED lamps 12 are arranged in two rows vertically and at predetermined intervals in the horizontal direction. The LED lamps 12 constituting the bent portion 13b are arranged in two rows in the left-right direction and at predetermined intervals in the direction of inclination. Furthermore, the second LED lamp group 14 is configured by arranging a large number of circular lamps in which the LED lamps 12 are arranged at predetermined intervals in the circumferential direction so as to closely surround the first LED lamp group 13. You.

On the other hand, in the second embodiment, as shown in FIG. 11, the blue signal section 51 is provided by the LE in the first embodiment.
All of the D lamps 12 are arranged at regular intervals in the radial direction and the circumferential direction. In other words, the blue signal section 51 of the second embodiment has the LED lamps 12 arranged in substantially the same arrangement as in the second LED lamp group 14 of the first embodiment. A large number of circular lamps arranged at predetermined intervals in the circumferential direction are arranged concentrically. In the second embodiment, as shown in FIG. 12, a part of the LED lamps 12 arranged in the above-described manner, which is an arrow indicating a predetermined direction (rightward),
It is used as a first LED lamp group 53 constituting an arrow signal part, and the other parts are used as a second LED lamp group 54.

Note that the first and second LED lamp groups 53
And 54 are the first and second LEDs of the first embodiment.
Like the lamp groups 13 and 14, they are connected to the first and second light emission drive circuits 21 and 22, respectively, and the light emission is controlled by the signals BA and B from the control circuit 25 in the same manner as in the first embodiment. .

FIG. 13 is an explanatory diagram showing a time when the arrow signal portion is turned on by the signal module according to the third embodiment of the present invention.

The third embodiment differs from the first and second embodiments in that the arrow signal unit 63 integrated with the blue signal unit 61 is replaced by a blue arrow signal unit 63 for left turn permission. The other points are the same. The arrow signal unit 63 is, like the arrow signal unit of the first or second embodiment, one of the LED lamps 12 densely arranged in a circular shape.
It is constituted by an arrow-shaped portion pointing leftward, and the LED lamp 12 in that portion is used as a first LED lamp group. Further, the other parts of the LED lamp 12 are used as a second LED lamp group. The light emission control operation of the first and second LED lamp groups of the blue signal portion is performed in the same manner as in the first embodiment according to the present cycle of a three-color traffic signal having a known left turn permission arrow signal portion. Done.

FIG. 14 is an explanatory diagram showing a time when the arrow signal portion is turned on by the traffic light module according to the fourth embodiment of the present invention.

In the fourth embodiment, a yellow arrow signal section 7 for permitting a right turn such as a train instructing a right direction to a yellow signal section 71 is provided.
The third embodiment is different from the first and second embodiments in that the third embodiment is integrated, and the other points have the same configuration. Note that the arrow signal unit 73 is a yellow LED similar to the blue LED lamp 12 constituting the arrow signal unit of the first or second embodiment.
A large number of lamps are densely arranged in a circular plane. Then, of the yellow LED lamps, an arrow-shaped portion pointing rightward is used as a first LED lamp group, and the other portions of the yellow LED lamp are used as a second LE lamp.
Used as D lamp group. The light emission control operation of the first and second LED lamp groups of the yellow signal unit 71 is performed according to the present cycle of a three-color traffic signal having a yellow arrow signal unit for permitting a right turn such as a known electric train. This is performed in the same manner as in the embodiment.

FIG. 15 is an explanatory diagram showing a state in which an arrow signal portion is turned on by the traffic light module according to the fifth embodiment of the present invention.

The fifth embodiment is different from the first embodiment in that the blue signal section 11 is arranged at the right end, the red signal section 113 is arranged at the left end, and the yellow signal section 112 is arranged at the center. Unlike the first embodiment, the other configuration is the same as the first embodiment. The light emission of the blue signal unit 11 of the present embodiment is controlled in the same manner as in the first embodiment.

As described above, the traffic light module according to each of the above-described embodiments is an LED lamp 1 of a predetermined color such as blue or yellow.
A first LED lamp group 13, 53 (or an arrow signal unit 63, 73) in which a plurality of LED lamps 2 are arranged in an arrow shape indicating a predetermined direction, and the first LED lamp group 13,
The LED lamp 12 of the same color as the first LED
A plurality of second LED lamp groups 14 and 54 arranged in a circular shape surrounding the lamp groups 13 and 53; This can be an embodiment corresponding to claim 1.

Therefore, the first LED lamp group 13,
An arrow signal section 53 for designating a predetermined direction is constituted by 53, and a round signal section of blue or yellow or the like having a circular plane as a whole is constituted by the first and second LED lamp groups 13, 53, 14, and 54. And the arrow signal section can be integrated with the round signal section. As a result, parts such as the housing of the arrow signal part, which were required in the past, are not required, so that the total number of parts can be significantly reduced, and the manufacturing cost can be reduced. Cost can be reduced. Further, since the arrow signal portion is not provided so as to protrude from the lower end side of the red signal portion or the like, a special mounting space is not required unlike the conventional arrow signal portion, and the entire device can be downsized.

The traffic light module of each of the above embodiments has a first LED lamp group 13, in which a large number of LED lamps 12 of a predetermined color such as blue or yellow are arranged in an arrow shape indicating a predetermined direction. 53 (or arrow signal unit 6)
3, 73), and a large number of LED lamps 12 of the same color as the first LED lamp groups 13 and 53 are arranged so as to form a circular surface surrounding the first LED lamp groups 13 and 53. Two LED lamp groups 14, 54, and a first light emission drive circuit 21 for driving the first LED lamp group to emit light.
And a second light emission drive circuit 2 for simultaneously driving the first LED lamp group 13 and the second LED lamp group 14 to emit light.
2 is provided. This can be an embodiment corresponding to claim 2.

Therefore, the first LED lamp group constitutes an arrow signal section for indicating a predetermined direction, and the first and second LED lamp groups constitute an arrow signal section.
With the LED lamp group described above, a round signal portion such as blue or yellow having a circular surface shape as a whole can be formed, and the arrow signal portion can be integrated with the round signal portion. As a result, parts such as the housing of the arrow signal part, which were required in the past, are not required, so that the total number of parts can be significantly reduced, the manufacturing cost can be reduced, and the assembling work for that purpose is unnecessary, and the installation is completed. Cost can be reduced. Further, since the arrow signal portion is not provided so as to protrude from the lower end side of the red signal portion or the like, a special mounting space is not required unlike the conventional arrow signal portion, and the entire device can be downsized. Further, the first LED lamp group 1
The first light emission drive circuit 21 is connected to the first and second LED lamp groups 14 and 5 (or the arrow signal units 63 and 73).
In order to connect the second light emission drive circuit 22 to the first light emission drive circuit 4, the first and second light emission drive circuits 21 and 22 are simply connected to the control system of the conventional traffic signal, and the arrow signal B for lighting the arrow signal portion is provided.
When A comes, only the first LED lamp groups 13 and 53 emit light to turn on the arrow signal portion, and when the blue signal B for lighting the blue signal portion 11 comes, the first and second signals are emitted. The LED lamp groups 13, 53 and 14, 54 can emit light at the same time to light the entire round signal portion such as the blue signal portion 11. As a result, it can be used as it is in a conventional signal system without any special circuit configuration.

In the traffic light module of the second embodiment, all of the LED lamps 12 are arranged at regular intervals in the radiation direction and the circumferential direction to form a blue signal portion 51, and the right one of them is indicated. The part which becomes the arrow to be used is used as the first LED lamp group 53 constituting the arrow signal part, and the other part is used as the second LED lamp group 54.

Therefore, it is not necessary to arrange the first LED lamp group 53 for the arrow signal portion in a special arrangement different from that of the second LED lamp group 54, and the arrangement of the LED lamps 12 becomes easy and the manufacturing operation is simplified. And reduce costs.

The traffic light module according to the above embodiment is embodied as a three-color traffic light. However, the present invention is not limited to this. The present invention may be applied to a two-color traffic signal having a red signal portion. Further, the present invention may be embodied as a configuration in which the arrow signal portion for allowing straight traveling is integrated with the blue signal portion. In this case, of the many LED lamps arranged on the circular surface of the blue signal portion, the arrow-shaped portion pointing forward is used as the arrow signal portion. Also, turn right and left for vehicles,
Alternatively, the blue and yellow arrow signal units of the above embodiments may be applied to a traffic signal having both a blue arrow signal unit for permitting straight traveling and a yellow arrow signal unit for a train.

Further, in the traffic light module of the above-described embodiment, a large number of LED lamps of a predetermined color are arranged in a circular plane to be embodied as a round signal part seen in a normal traffic light. The present invention may be embodied in a signal portion having a planar shape other than a round shape. For example, L of many predetermined colors (for example, blue)
The ED lamps are arranged in an arbitrary shape such as an elliptical surface, a square surface such as a square, and the like, so that a traffic signal having a planar shape corresponding to these shapes is generated, and a part of the LED lamp is specified. It may be used as an arrow signal unit for indicating a direction. That is, in the present invention, since the LED lamps are densely arranged to form a signal portion of a predetermined color including the arrow signal portion, the planar shape of the signal portion can be easily made to a desired arbitrary shape. In this case, by using a signal part other than the signal part of the predetermined color including the arrow signal part as a normal round signal part, it is possible to obtain an effect of easily distinguishing the signal part including the arrow signal part from the signal part including the arrow signal part.

The arrow signal portion of the traffic light module of the above embodiment is configured by arranging LED lamps so as to indicate only one direction, such as rightward, leftward, forward, etc. An arrow signal section may be configured by arranging LED lamps and selectively instructing light emission in any direction. For example, a large number of LED lamps are arranged in a straight line extending left and right to form a straight line portion, and LED lamps are arranged at left and right ends to form left and right arrow symbols, respectively, so that left and right are arranged. The left and right arrows may be indicated by turning on the straight portion and the left arrow portion when the left turn is permitted, and by turning on the straight portion and the right arrow portion when the right turn is permitted.

[0044]

As described above, the traffic light module according to claim 1 includes a first LED group in which a large number of LEDs of a predetermined color are arranged in an arrow shape indicating a predetermined direction.
LEDs of the same color as the first LED group are
A second arrangement in which a large number are arranged so as to form a surface surrounding the ED group
LED group.

Therefore, the first LED group constitutes an arrow signal section for indicating a predetermined direction, and the first and second LEs are formed.
The group D can form a signal portion of a predetermined color such as blue or yellow which has a planar shape of a predetermined shape as a whole, and the arrow signal portion can be integrated with the signal portion of the predetermined shape. As a result, parts such as the housing of the arrow signal part, which were required in the past, are not required, so that the total number of parts can be significantly reduced, and the manufacturing cost can be reduced. Cost can be reduced. Further, since the arrow signal portion is not provided so as to protrude from the lower end side of the red signal portion or the like, a special mounting space is not required unlike the conventional arrow signal portion, and the entire device can be downsized.

The traffic light module according to claim 2, wherein a first group of LEDs in which a plurality of LEDs of a predetermined color are arranged in an arrow shape indicating a predetermined direction;
A second LED group in which a large number of LEDs of the same color as the group are arranged so as to form a plane surrounding the first LED group, and a first light emission drive circuit for driving the first LED group to emit light And a second light emission drive circuit for simultaneously driving the first LED group and the second LED group to emit light.

Therefore, the first LED group constitutes an arrow signal section for designating a predetermined direction, and the first and second LEs are formed.
The group D can form a signal portion of a predetermined color such as blue or yellow which has a planar shape of a predetermined shape as a whole, and the arrow signal portion can be integrated with the signal portion of the predetermined shape. As a result, parts such as the housing of the arrow signal part, which were required in the past, are not required, so that the total number of parts can be significantly reduced, and the manufacturing cost can be reduced. Cost can be reduced. Further, since the arrow signal portion is not provided so as to protrude from the lower end side of the red signal portion or the like, a special mounting space is not required unlike the conventional arrow signal portion, and the entire device can be downsized. Furthermore, the first LED
To connect the first light emission drive circuit to the group and the second light emission drive circuit to the second LED group, simply connect the first and second light emission drive circuits to the control system of a conventional traffic signal. When the signal for lighting the arrow signal section comes, the first LED
Only the group can emit light to turn on the arrow signal portion, and when a signal for lighting the signal portion of a predetermined color comes, the first and second LED groups emit light at the same time and the entire signal portion of the predetermined color is turned on. Can be lit. As a result, it can be used as it is in a conventional signal system without any special circuit configuration.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing a time when an arrow signal portion is turned on by a traffic light module according to a first embodiment of the present invention.

FIG. 2 is a plan view showing an arrangement of LED lamps of the traffic light module according to the first embodiment of the present invention.

FIG. 3 is a plan view showing an arrangement state of LED lamps of the traffic light module according to the first embodiment of the present invention, and shows a portion corresponding to an arrow signal portion.

FIG. 4 is a plan view showing a lighting LED lamp when the arrow signal portion of the traffic light module according to the first embodiment of the present invention is lit.

FIG. 5 is a block diagram schematically showing a control system of the traffic light module according to the first embodiment of the present invention.

FIG. 6 is a circuit diagram showing a circuit configuration of the traffic light module according to the first embodiment of the present invention.

FIG. 7 is a circuit diagram schematically showing a circuit configuration of a conventional traffic signal.

FIG. 8 is an explanatory diagram showing a representative present cycle of a conventional traffic signal.

FIG. 9 is a timing chart showing a lighting timing of a signal portion of each color of a conventional traffic signal.

FIG. 10 is a circuit diagram schematically showing a circuit configuration of a traffic signal using the signal module according to the first embodiment of the present invention.

FIG. 11 is a plan view showing an arrangement of LED lamps of a traffic light module according to a second embodiment of the present invention.

FIG. 12 is a plan view showing a lighting LED lamp of the traffic light module according to the second embodiment of the present invention when the arrow signal portion is lit.

FIG. 13 is an explanatory diagram showing when the arrow signal portion is turned on by the traffic light module according to the third embodiment of the present invention.

FIG. 14 is an explanatory diagram showing when the arrow signal portion is turned on by the traffic light module according to the fourth embodiment of the present invention.

FIG. 15 is an explanatory diagram showing when the arrow signal portion is lit by the traffic light module according to the fifth embodiment of the present invention.

FIG. 16 is an explanatory diagram showing when the arrow signal section is lit in a three-color traffic signal having an arrow signal section as a conventional signal module.

[Explanation of symbols]

 Reference Signs List 12 LED lamp (LED) 13 First LED lamp group (first LED group) 14 Second LED lamp group (second LED group) 21 First light emission drive circuit 22 Second light emission drive circuit 53 One LED lamp group (first LED group) 54 Second LED lamp group (second LED group)

Claims (2)

[Claims] A first light emitting diode group in which a plurality of light emitting diodes of a predetermined color are arranged in an arrow shape indicating a predetermined direction; and a light emitting diode of the same color as the first light emitting diode group, A second light emitting diode group arranged in a large number so as to form a plane surrounding the first light emitting diode group. 2. A first light-emitting diode group in which a plurality of light-emitting diodes of a predetermined color are arranged in an arrow shape indicating a predetermined direction; and a light-emitting diode of the same color as the first light-emitting diode group, A plurality of second light emitting diode groups arranged so as to form a planar shape surrounding the first light emitting diode; a first light emitting drive circuit for driving the first light emitting diode group to emit light; and the first light emission A traffic light module comprising: a second light-emitting drive circuit that simultaneously drives the diode group and the second light-emitting diode group to emit light.