JP2020087628A - Turn signal lamp - Google Patents

Abstract

To improve functionality and visibility.SOLUTION: A turn signal lamp comprises: at least one flashing first light-emitting part 12; and a plurality of second light-emitting parts 15, 15...arranged side by side in a predetermined direction and emitting light successively with a predetermined time difference. The first light-emitting part 12 and the second light-emitting part 15 arranged in one end in an arrangement direction among the plurality of second light-emitting parts 15, 15... are adjacently arranged in the arrangement direction. Thereby, the first light-emitting part 12 and the second light-emitting parts 15,15... having different functions are adjacently arranged, so that a light emission state in which flashing is combined with a light emission state of emitting light with a predetermined time difference is obtained, and attention of a viewer is easily attracted, and functionality and visibility can be improved.SELECTED DRAWING: Figure 2

Description

The present invention relates to the technical field of turn signal lamps used in vehicles and functioning as marker lights.

Turn signal lamps that function as marker lights include, for example, a front turn signal lamp provided at the front of the vehicle, a side turn signal lamp provided at a side surface, and a rear turn signal lamp provided at the rear of the vehicle. Function as a marker light when changing the traveling direction of.

In a turn signal lamp that functions as a marker light, for example, there is one in which a plurality of light sources, which are light emitting diodes (LEDs), are arranged, and all the light sources are turned on and off at the same time (for example, see Patent Document 1). ).

JP, 2016-126948, A

By the way, in recent years, in addition to improved functionality, it has been desired for marker lights used in vehicles to be more visible. Therefore, also in the turn signal lamp, it is desirable to improve the functionality and the visibility.

Therefore, it is an object of the present invention to improve the functionality and visibility of the turn signal lamp.

First, the turn signal lamp according to the present invention includes at least one blinking first light emitting portion and a plurality of second light emitting portions which are arranged side by side in a predetermined direction and sequentially emit light with a predetermined time difference. The first light emitting portion and the second light emitting portion of the plurality of second light emitting portions arranged at one end in the arrangement direction are adjacently arranged in the arrangement direction.

As a result, since the first light emitting unit and the second light emitting unit having different functions are arranged adjacent to each other in the arrangement direction of the plurality of second light emitting units, blinking and light emission that emits light with a predetermined time difference. The light emitting state is a combination of these states.

Secondly, in the above-described turn signal lamp according to the present invention, there is provided a first lamp outer casing having a first lamp housing and a first cover, the inner space of which is formed as a first lamp chamber. A second lamp housing having a second lamp housing and a second cover, the inner space of which is formed as a second lamp chamber, and the first light emitting unit is arranged in the first lamp chamber. It is desirable that the plurality of second light emitting units be arranged in the second lamp chamber.

Thereby, the light emitted from the first light emitting unit is transmitted through the first cover, and the light emitted from the second light emitting unit is transmitted through the second cover.

Thirdly, in the above-described turn signal lamp according to the present invention, a lamp outer casing having a lamp housing and a cover and having an inner space formed as a lamp chamber, the first light emitting portion, and the first light emitting portion. And a second circuit board on which the plurality of second light emitting portions and the plurality of second light emitting portions are mounted. It is desirable that the first luminous body and the second luminous body are arranged in the lamp chamber.

This eliminates the need for a dedicated lamp outer casing for disposing the first light emitting unit and the second light emitting unit, respectively.

Fourthly, in the above-described turn signal lamp according to the present invention, a lamp outer casing having a lamp housing and a cover and having an inner space formed as a lamp chamber, the first light emitting portion, and the plurality of second lamps. It is preferable that the light emitting unit is mounted on the circuit board, and the first light emitting unit, the plurality of second light emitting units, and the circuit board are arranged in the lamp chamber.

This eliminates the need for separate circuit boards for turning on and off the first light emitting portion and the second light emitting portion.

Fifth, in the above-described turn signal lamp according to the present invention, it is desirable that the first light emitting portion and the plurality of second light emitting portions emit light sequentially with the predetermined time difference in the arrangement direction.

As a result, the first light emitting unit and the second light emitting unit are brought into a sequential light emitting state in which all the light emitting units as a whole emit light in a state in which light flows from one to the other in the arrangement direction.

According to the present invention, the first light emitting portion and the second light emitting portion having different functions are arranged adjacent to each other in the arrangement direction of the plurality of second light emitting portions, so that there is a predetermined time difference between blinking and When the light emitting state is combined with the light emitting state of emitting light, it is easy to attract the attention of the viewer, and it is possible to improve the functionality and the visibility.

It is a front view which shows the door mirror which incorporated the turn signal lamp of this invention as a side turn signal lamp. FIG. 3 shows a first embodiment of the turn signal lamp of the present invention together with FIG. 3, and this figure is a horizontal sectional view showing the turn signal lamp. It is a horizontal sectional view showing another example of a turn signal lamp. FIG. 5 shows a second embodiment of the turn signal lamp of the present invention together with FIG. 5, and this figure is a horizontal sectional view showing the turn signal lamp. It is a horizontal sectional view showing another example of a turn signal lamp.

Hereinafter, embodiments for implementing the turn signal lamp of the present invention will be described with reference to the accompanying drawings.

In the following description, as an example, the front, rear, up, down, left, and right directions are shown with the light emission direction as the front. However, the front, rear, up, down, left, and right directions shown below are for convenience of description, and the present invention is not limited to these directions.

The turn signal lamps are provided on, for example, the front and rear portions of the vehicle body, the left and right side portions, the left and right door mirrors, and the like, and function as indicator lights when the traveling direction of the vehicle to the left and right is changed.

For example, the side turn signal lamp 101 is incorporated in a door mirror 50 having a mirror housing 51 and a cover 52. The side turn signal lamp 101 has a first light emitting unit 12 arranged on the farthest side from the vehicle body and second light emitting units 15, 15,... Arranged side by side in the left-right direction. (See FIG. 1).

At this time, the first light emitting unit 12 satisfies the legal requirements for light distribution required for the side turn signal lamp 101, and the second light emitting units 15, 15,... Assist the side turn signal lamp 101. It functions as a light.

In this way, when the side turn signal lamp 101 is incorporated in the left and right door mirrors 50, the side turn signal lamp 101 is positioned so as to project outward from the side surface of the vehicle body, so that the side turn signal lamp 101 is visible as a marker light. Is easy to secure. In particular, since the first light emitting unit 12 arranged on the farthest side from the vehicle body satisfies the necessary light distribution required for the side turn signal lamp 101, the side turn signal lamp 101 is high from the rear and side. Visibility is secured.

<Turn signal lamp according to the first embodiment>
First, the turn signal lamp 1 according to the first embodiment will be described.

The turn signal lamp 1 is composed of a first lamp part 2 and a second lamp part 3 arranged side by side (see FIG. 2).

The first lamp part 2 has a first lamp housing 4 and a first cover 5, and the first lamp housing 4 and the first cover 5 constitute a first lamp outer casing 6. The inner space of the first lamp outer casing 6 is formed as a first lamp chamber 6a.

A first luminous body 10 is arranged in the first lamp chamber 6a.

The first light emitting body 10 has a first circuit board 11 and a first light emitting portion 12, and the first light emitting portion 12 is mounted on the first circuit board 11. However, a plurality of first light emitting units 12 may be provided.

In the turn signal lamp 1, the light emitted from the first light emitting unit 12 ensures the light distribution necessary for the light distribution of the turn signal lamp 1.

The second lamp part 3 has a second lamp housing 7 and a second cover 8, and the second lamp housing 7 and the second cover 8 constitute a second lamp outer casing 9. The inner space of the second lamp outer casing 9 is formed as a second lamp chamber 9a.

A second light emitter 13 is arranged in the second lamp chamber 9a.

The second light emitting body 13 has a second circuit board 14 and a plurality of second light emitting portions 15, 15,.... The second light emitting units 15, 15,... Are mounted side by side on the second circuit board 14 in a state of being separated in the left-right direction.

In the following description, one of the second light emitting units 15, 15,... Which is arranged at the farthest position from the first light emitting unit 12 in the left-right direction is referred to as a second light emitting unit 15A. The second light emitting portion 15B is arranged at the position closest to the first light emitting portion 12 in the direction.

As the first light emitting unit 12 and the second light emitting unit 15, for example, LEDs are used.

The first circuit board 11 and the second circuit board 14 are connected to a control circuit (not shown). The first light emitting unit 12 and the second light emitting units 15, 15,... Are turned on/off by a control circuit.

The first light emitting unit 12 blinks, for example, and the second light emitting units 15, 15,... Emit light sequentially with a predetermined time difference in the left-right direction, for example, to be in a so-called sequential light emitting state.

For example, the first light emitting unit 12 and the second light emitting unit 15A are turned on at the same time, and the second light emitting units 15, 15,... Are turned on in sequence toward the second light emitting unit 15B with a time difference. Then, while the first light emitting section 12 is being turned on, all the second light emitting sections 15, 15,... All of the first light emitting unit 12 and the second light emitting units 15, 15,... Are turned off at the same time.

However, the first light emitting unit 12 and the second light emitting unit 15B may be turned on at the same time, and may be sequentially turned on toward the second light emitting unit 15A with a time difference. Further, the first light emitting unit 12 and all the second light emitting units 15, 15,... Are simultaneously turned on, and the second light emitting units 15, 15,. May be turned off sequentially with a time difference from the second light emitting unit 15A or 15B toward the second light emitting unit 15B or 15A. Note that, for example, when the turn signal lamp 1 is incorporated in the door mirror 50 as shown in FIG. 1, the second light emitting units 15, 15,... Are the second light emitting units arranged closest to the vehicle body. It is desirable that the light emitting section 15A is turned on or off sequentially with a time difference from the light emitting section 15A to the second light emitting section 15B arranged farthest in the vehicle body.

The first light emitting portion 12 is arranged adjacent to the second light emitting portion 15B arranged at one end of the second light emitting portions 15, 15,... In the left and right direction in the left and right direction.

As described above, in the turn signal lamp 1, since the first light emitting portion 12 and the second light emitting portions 15, 15,... Having different functions are arranged adjacent to each other, It is possible to set various light emitting states by combining the light emitting unit 12 and the second light emitting units 15, 15,....

This makes it possible to clearly show the traveling direction when the traveling direction of the vehicle is changed to the left and right, and to easily attract the attention of the viewer, thereby improving the functionality of the turn signal lamp 1 and the visibility. it can.

Further, the first light emitting portion 12 is arranged inside the first lamp outer casing 6, and the second light emitting portions 15, 15,... Are arranged inside the second lamp outer casing 9. , The light emitted from the first light emitting unit 12 is emitted from the first cover 5, and the light emitted from the second light emitting units 15, 15,... Is emitted from the second cover 8.

Therefore, the light emitted from the first light emitting section 12 and the light emitted from the second light emitting sections 15, 15,... Are not mixed, and a good emission state of light can be secured.

The first cover 5 in the first lamp outer casing 6 and the second cover 8 in the second lamp outer casing 9 may be configured by one common cover 16 (see FIG. 3 ).

In this case, the first lamp housing 4, the second lamp housing 7, and the cover 16 form a lamp outer casing 17, and the first lamp housing 4 and the cover 16 form a first lamp chamber 17a. The second lamp housing 7 and the cover 16 form a second lamp chamber 17b.

The first light emitter 10 is arranged in the first lamp chamber 17a, and the second light emitter 13 is arranged in the second lamp chamber 17b.

Therefore, since the first lamp housing 4, the second lamp housing 7, and the cover 16 form the first lamp chamber 17a and the second lamp chamber 17b, the number of parts and the manufacturing cost can be reduced. You can

<Turn signal lamp according to the second embodiment>
Next, the turn signal lamp 1A according to the second embodiment will be described.

The turn signal lamp 1A according to the second embodiment is different from the turn signal lamp 1 in that only one lamp housing is provided. Therefore, the turn signal lamp 1A according to the second embodiment is different from that of the first embodiment. Constitutions similar to those of the first embodiment are designated by the same reference numerals as those of the turn signal lamp 1 in the first embodiment, and the description thereof will be omitted or simplified.

The turn signal lamp 1A has a lamp housing 18 and a cover 19, and the lamp housing 18 and the cover 19 constitute a lamp outer casing 20 (see FIG. 4). The interior space of the lamp outer casing 20 is formed as a lamp chamber 20a.

The first light emitting body 10 and the second light emitting body 13 are arranged side by side in the lamp chamber 20a.

Therefore, since the first light-emitting body 10 and the second light-emitting body 13 are arranged inside one lamp outer casing 20, the first light-emitting unit 12 and the second light-emitting unit 15 are arranged respectively. The dedicated outer casing of the lamp is unnecessary, and the number of parts can be reduced and the size can be reduced. In particular, since there is no portion separating the first light emitter 10 and the second light emitter 13 from each other, it is possible to reduce the size in the left-right direction.

The first light emitting unit 12 and the second light emitting units 15, 15,... May be mounted on one circuit board 21 (see FIG. 5).

The circuit board 21 is connected to a control circuit (not shown). A circuit for supplying a current to the first light emitting section 12 and a circuit for supplying a current to the second light emitting sections 15, 15,... Are formed on the circuit board 21.

The first light emitting unit 12 blinks, for example, and the second light emitting units 15, 15,... Emit light sequentially with a predetermined time difference in the left-right direction, for example, to be in a so-called sequential light emitting state.

In this way, the first light emitting unit 12 and the second light emitting units 15, 15,... Are mounted on the one circuit board 21, so that the first light emitting unit 12 and the second light emitting unit 15 are A separate circuit board on which 15,... Are mounted is not required, so that the structure can be simplified and the number of parts can be reduced.

<Another light emission state of the turn signal lamp>
Further, in the turn signal lamps 1 and 1A described above, the first light emitting unit 12 and the second light emitting unit 15 may sequentially emit light with a predetermined time difference as described below.

For example, the second light emitting units 15, 15,... Are sequentially turned on from the second light emitting unit 15A toward the second light emitting unit 15B with a certain time difference, and the second light emitting unit 15B is turned on. After lighting, the first light emitting unit 12 is lighted with a certain time difference. That is, the first light emitting unit 12 and the second light emitting units 15, 15,... Are brought into a sequential light emitting state as a whole.

The order of light emission of the first light emitting unit 12 and the second light emitting units 15, 15,... Is not limited to this, and the second light emitting units 15, 15, after the first light emitting unit 12 emits light. May sequentially emit light, and may be in a sequential light emitting state as a whole. Further, the time difference in which the second light emitting units 15, 15,..., Emit light in sequence and the time difference between the first light emitting unit 12 and the second light emitting unit 15 are not limited to constant, and gradually become shorter or gradually. May be longer.

In this way, the light emitting states of the first light emitting portion 12 and the second light emitting portions 15, 15,... Are made to be sequential light emitting states as a whole, so that it is easy to attract the attention of the viewer and It is possible to improve the design and the design of the turn signal lamps 1 and 1A, in addition to improving the driving performance and safety when the vehicle is running.
<Summary>

As described above, in the turn signal lamps 1 and 1A, at least one first light emitting portion 12 that blinks and a plurality of first light emitting portions 12 that are arranged side by side in a predetermined direction and sequentially emit light with a predetermined time difference. , Two light emitting units 15, 15,..., And the second light emitting unit 12 is arranged at one end of the first light emitting unit 12 and the plurality of second light emitting units 15, 15,. The part 15 (15B) is arranged adjacent to each other in the alignment direction.

Therefore, in the arrangement direction of the plurality of second light emitting units 15, 15,..., The first light emitting unit 12 and the second light emitting units 15, 15,. Since it is arranged, it is in a light emitting state in which blinking and a light emitting state in which light is emitted with a predetermined time difference are combined, so that it is easy to attract the attention of the viewer, and the functionality of the turn signal lamps 1 and 1A and the visibility are improved. Can be planned.

DESCRIPTION OF SYMBOLS 1... Turn signal lamp, 6... 1st lamp outer casing, 6a... 1st lamp chamber, 9... 2nd lamp outer casing, 9a... 2nd lamp chamber, 10... 1st light-emitting body, 11... 1st circuit board, 12... 1st light emission part, 13... 2nd light emitter, 14... 2nd circuit board, 15... 2nd light emission part, 20... Lamp outer casing, 20a... Lamp room, 21 ... circuit board

Claims (5)

At least one blinking first light emitting part,
A plurality of second light emitting portions that are arranged side by side in a predetermined direction and sequentially emit light with a predetermined time difference,
A turn signal lamp in which the first light emitting portion and the second light emitting portion of the plurality of second light emitting portions arranged at one end in the arrangement direction are arranged adjacent to each other in the arrangement direction. A first lamp outer casing having a first lamp housing and a first cover, the inner space of which is formed as a first lamp chamber;
A second lamp outer casing having a second lamp housing and a second cover, the inner space of which is formed as a second lamp chamber;
The turn signal lamp according to claim 1, wherein the first light emitting unit is arranged in the first lamp chamber, and the plurality of second light emitting units is arranged in the second lamp chamber. A lamp outer casing having a lamp housing and a cover, the inner space of which is formed as a lamp chamber,
A first light emitting body having the first light emitting portion and a first circuit board on which the first light emitting portion is mounted;
A second light emitter having the plurality of second light emitting units and a second circuit board on which the plurality of second light emitting units are mounted;
The turn signal lamp according to claim 1, wherein the first light emitter and the second light emitter are arranged in the lamp chamber. A lamp outer casing having a lamp housing and a cover, the inner space of which is formed as a lamp chamber,
A circuit board on which the first light emitting portion and the plurality of second light emitting portions are mounted,
The turn signal lamp according to claim 1, wherein the circuit board is arranged in the lamp chamber. The turn according to claim 1, claim 2, claim 3, or claim 4, wherein the first light emitting unit and the plurality of second light emitting units sequentially emit light with the predetermined time difference in the arrangement direction. Signal lamp.

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