JP2011246039A - Lighting system for vehicle cabin - Google Patents

Abstract

A vehicle interior lighting device that can be installed simultaneously with a side curtain airbag.
A center pillar garnish 11 provided on a center pillar 1 is used in a vehicle including a side curtain airbag 6 and a center pillar 1 positioned below the side curtain airbag 6, and the center pillar garnish 11. A light source 28 that illuminates the ceiling 4 of the vehicle, and a wiring 36 that connects the light source 28 and an in-vehicle power source and is connected to the light source 28 from the lower part of the center pillar garnish 11. By connecting the wiring 36 from the lower part of the center pillar garnish 11 to the light source 28, it is possible to attach the wiring 36 to the vehicle including the side curtain airbag 6. Further, by providing the light source 28 in the center pillar 1, the ceiling 4 can be illuminated over a wide range.
[Selection] Figure 1

Description

  The present invention relates to a vehicle interior illumination device, and more particularly to a vehicle interior illumination device suitable for providing a light source in a pillar adjacent to a side curtain airbag.

  Conventionally, as this kind of indirect lighting device that is attached to the wall surface near the ceiling in an automobile interior, an LED light source that generates light toward the ceiling, a rear room lamp, a map lamp, an assist grip, And a functional unit selected from the group consisting of a duct opening and a speaker grille, and the light from the LED light source unit passes through an optical opening surface disposed behind the front design surface of the indirect lighting device. An indirect illumination device (for example, Patent Document 1) that irradiates the light has been proposed.

  Further, a side curtain airbag is provided on the ceiling side portion in the vehicle compartment. For example, an airbag bag body arranged along a roof lining which is an interior material of a ceiling portion of the vehicle, and the airbag bag body It consists of an inflator that ejects gas and a sensor that detects side collision and rollover of the vehicle. The airbag bag body is connected to the inflator at the front end, and when gas is ejected from the inflator, the airbag is instantaneously The entire bag is developed (for example, Patent Document 2).

  Further, a seat belt is provided on the center pillar connected to the ceiling side portion in the vehicle compartment. For example, a slide plate is supported slidably along the inner surface of the pillar garnish, and an arc shape formed on the slide plate. A slip joint through which the belt body of the seat belt device slidably passes is arranged inside the opening of the seat belt, and the belt body slanted on the chest of the occupant faces downward through the slip joint from the opening of the slide plate 2. Description of the Related Art A seat belt device (for example, Patent Document 3) that changes direction and is wound around a retractor (not shown) disposed at the lower end of a center pillar is known.

JP 2006-232185 A JP 2004-182038 A JP 2005-324586 A

  Since the indirect lighting device is attached to the wall surface near the ceiling in the automobile room, many attachment parts including attachment parts to the wall surface and wiring parts are required, which increases the number of assembling steps and costs. Further, since the light source is close to the ceiling, the light distribution of the light source tends to be strong and the illumination range tends to be narrow.

  On the other hand, when the lighting device is attached to the center pillar, since it is usually connected to the power source using the ceiling portion, in the vehicle with the side curtain airbag mounted on the ceiling side portion, the curtain airbag and the lighting device are used. It was difficult to wear it at the same time. In addition, since the center pillar is provided with a seat belt device, there is a problem that the mounting of the lighting device is restricted. Furthermore, when the airbag bag is deployed, the roof lining is pushed and opened by the deployment pressure of the airbag bag body, and at the same time, the upper part of the center pillar is opened and falls down, the wiring connected to the lighting device of the center pillar is There is a problem of receiving a tensile force when the center pillar falls.

  In view of the above-described problems, an object of the present invention is to provide a vehicle interior lighting device that can be equipped with a side curtain airbag on a vehicle.

  In order to achieve the above object, the vehicle is used in a vehicle including a side curtain airbag and a pillar positioned below the side curtain airbag. The pillar garnish provided in the pillar, and the vehicle provided in the pillar garnish A light source that illuminates the ceiling of the light source, and a wiring that connects the light source and an in-vehicle power source and is connected to the light source from a lower part of the pillar garnish.

  The invention according to claim 2 is characterized in that a roof illumination garnish having the light source is provided on an outer surface of the pillar garnish.

  The invention according to claim 3 is characterized in that the wiring is arranged between a roof illumination garnish and the pillar garnish.

  According to a fourth aspect of the present invention, there is provided an illumination unit that illuminates the lower part of the vehicle compartment.

  Further, the invention according to claim 5 is characterized in that the roof illumination garnish includes an insertion portion for inserting a seat belt.

  According to the vehicle interior lighting device of the first aspect of the present invention, the wiring is connected to the light source from the lower part of the pillar garnish, so that it can be attached to the vehicle having the side curtain airbag on the upper part of the pillar. . Moreover, the ceiling can be illuminated in a wide range by providing the light source in the pillar.

  According to the vehicle interior lighting device of the second aspect of the present invention, the number of parts and the cost can be reduced by incorporating the light source into the roof lighting garnish.

  Moreover, according to the vehicle interior lighting device of the third aspect of the present invention, it is not necessary to secure a wiring space inside the pillar garnish, and wiring work is facilitated.

  Moreover, according to the vehicle interior lighting device of the fourth aspect of the present invention, it can be used as a reading lamp or a foot lamp. Moreover, if it uses for illumination of the rear part of a pillar, the lower part in a vehicle interior can be illuminated from a user's front side, a head etc. will not become a shadow, and a suitable irradiation position can be ensured.

  Moreover, according to the vehicle interior lighting device of the fifth aspect of the present invention, the roof illumination garnish does not interfere with the seat belt even when attached to the pillar garnish, and the roof illumination garnish can be easily attached. .

It is the perspective view seen from the slanting back side in the vehicle interior which shows Example 1 of a present Example. It is the perspective view seen from the diagonal front side in a vehicle interior same as the above. It is the longitudinal cross-sectional view of the use condition which expanded a part same as the above. It is a block diagram around the light source which illuminates the ceiling same as the above. It is a top sectional view of a pillar garnish and a roof illumination garnish same as the above. It is the perspective view seen from the diagonal front side in a vehicle interior same as the above. It is a longitudinal cross-sectional view of the use condition which shows Example 2 of a present Example.

  Hereinafter, Example 1 of the vehicle interior lighting device of the present invention will be described with reference to the drawings.

  As shown in FIGS. 1 to 6, as shown in FIG. 1 and the like, a door opening 2 to which a front door is attached is formed between a front pillar and a center pillar 1 serving as a pillar on the vehicle body side surface. A door opening 3 to which a rear door is attached is formed between the rear pillars. A side curtain airbag 6 is provided along the side edge 5 of the ceiling 4 extending from the upper end of the front pillar to the upper end of the rear pillar. The side curtain airbag 6 incorporates an airbag bag body 7 in the roof lining 8 of the side edge 5, and when acceleration of a predetermined value or more is detected at the time of a side collision or rollover of the vehicle, The airbag bag body 7 is inflated by the high-pressure gas supplied from the inflator arranged at the front, and the roof lining 8 is pushed open. The door glass of the front door and the door glass of the rear door and the occupant sitting on the front seat and the rear seat are unfolded in a downward curtain shape. The center pillar 1 is disposed below the side edge 5 of the ceiling 4.

  The center pillar 1 is provided with a center pillar garnish 11 which is a pillar garnish. The center pillar garnish 11 has a substantially U-shaped flat cross section, and a seat belt device 12 is provided at the center in the height direction. The seat belt device 12 includes a belt main body 13, and the belt main body 13 is drawn out of the center pillar garnish 11 from a drawer portion 14. In this case, the seat belt device 12 may be one in which the drawer portion 14 is fixed in position to the center pillar garnish 11, or one in which the drawer portion 14 is slid up and down and fixed in position. A type that can be fixed by sliding up and down is shown.

  The vehicle interior lighting device 20 includes a roof illumination garnish 21 that is an attachment member attached so as to cover the outer surface of the center pillar garnish 11. In the drawing, the center pillar 1 on the right side of the vehicle is shown, but the lighting device 20 is also provided on the center pillar 1 on the left side of the vehicle. The roof illumination garnish 21 is made of synthetic resin or the like, and a front portion 21A that covers the outer surface of the front portion 11A of the center pillar garnish 11 and a side portion 21B that covers the left and right side portions 11B of the center pillar garnish 11 are integrated. In preparation, the front section 21A and the side section 21B form a substantially L-shaped cross section. In this example, the side surface portion 21B covers the outer surface of the side surface portion 11B of the center pillar garnish 11 on the vehicle rear side. In addition, the front portion 21A has a notch opening 22 that is an insertion portion at the center in the height direction, and the notch opening 22 opens on one side in the width direction of the roof illumination garnish 21, and in this example, the front of the vehicle The side is open.

  Further, in the roof illumination garnish 21, the upper part of the notch opening 22 constitutes a garnish upper part 23 and the lower part thereof constitutes a garnish lower part 24, and the garnish upper part 23 and the garnish lower part 24 are connected by a garnish central part 25.

  An upper portion of the garnish upper portion 23 is provided with a storage portion 27 that is separated from the center pillar garnish 11 in an attached state, and the upper portion of the storage portion 27 is open. Further, a light source 28 such as an LED is stored in the storage unit 27, and the ceiling 4 is illuminated from the illumination unit 29 at the top of the storage unit 27 by the light source 28, and an optical lens 30 is provided in the illumination unit 29. Yes.

  The garnish lower portion 24 is provided with a storage portion 31 that is separated from the center pillar garnish 11 in an attached state, and the storage portion 31 is provided at a corner portion of the front portion 21A and the side portion 21B. The storage unit 31 stores a light source 32 such as an LED and a control unit 33 such as an electric circuit. The storage unit 31 includes an illumination unit 32A of the light source 32 and an operation unit 34 such as a switch. . The control unit 33 controls the illumination operation of the light sources 28 and 32 by operating the operation unit 34, and can control the irradiation angle of the light sources 28 and 32, for example, operating the operation unit 34. The seat illumination mode (FIG. 6 (A)) for illuminating the connection portion between the seat 35A and the backrest 35B of the seat 35 at the rear of the vehicle by the light source 32, or the foot illumination mode for illuminating the feet of the seat 35 by the light source 32 The switching operation can be performed as shown in FIG.

  The light sources 28 and 32 and the controller 33 are driven by an in-vehicle battery (not shown) which is an in-vehicle power source, and are connected to the in-vehicle battery by wirings 36 and 36A. As shown in FIG. 3, the wiring 36 is electrically connected to the light source 32 from below the center pillar 1 and between the outer surface of the center pillar garnish 11 and the inner surface of the roof illumination garnish 21 through the control unit 33. The control unit 33 and the light source 28 are electrically connected to the light source 28 by connecting the light source 28 with the wiring 36A. The wiring 36A is also connected to the outer surface of the center pillar garnish 11 and the garnish central portion 26 of the roof illumination garnish 21. It is arrange | positioned between the inner surfaces of. The wirings 36 and 36A may be attached to the inner surface of the center pillar garnish 11 in advance, and a connector (not shown) is preferably provided at the lower end of the wiring 36.

  Next, the usage method of an illuminating device is demonstrated. Cover the center pillar garnish 11 with the roof illumination garnish 21 incorporating the wirings 36 and 36 </ b> A, and attach it so as to cover the center pillar garnish 11. In this case, the roof illumination garnish 21 is provided with the notch opening 22, so that the seat belt device 12 does not interfere with the attachment and can be retrofitted. Further, the wiring 36 is connected to a wiring (not shown) connected to the in-vehicle battery by a connector or the like, and the wiring 36 is drawn from the lower portion of the center pillar 1 and connected.

  By connecting the wiring from the lower part of the center pillar 1 in this way, the wiring 36 does not hinder the deployment of the airbag bag body 7 of the side curtain airbag 6 and simultaneous installation is possible. Further, by integrating the light sources 28 and 32 and the like into the roof illumination garnish 21 attached so as to cover the center pillar garnish 11, the design can be simplified and the number of parts can be reduced.

  Furthermore, the seat pillar device 12 and the like are incorporated inside the center pillar garnish 11, and in addition, the dimensions of the center pillar garnish 11 are limited in order to widen the interior space as much as possible. Although it is difficult to secure a space, by providing the wiring 36 between the outer surface of the center pillar garnish 11 and the inner surface of the roof illumination garnish 21, no wiring space is required in the center pillar garnish 11.

  And since the operation part 34 provided in the garnish lower part 24 is in a position close to the hand, it is easy to operate, the operation part 34 can be operated, the light source 28 can be turned on and the ceiling 4 can be illuminated over a wide range. Since it is stored in the storage unit 27, it does not enter the driver's field of vision, is not dazzled, and the light distribution cannot be seen from outside the vehicle. Moreover, since it can be used as a reading light in the foot illumination mode or the seat illumination mode in addition to the ceiling illumination, it is possible to provide inexpensive equipment that is comfortable for the passenger in the rear seat 35. And even in these foot illumination mode and seat illumination mode, since it is illumination from a position that does not enter the field of view from the driver, even if the passenger of the rear seat 35 uses the lighting device 20 during traveling, the driver's Don't be dazzled.

  As described above, in this embodiment, in correspondence with claim 1, the vehicle is provided with a side curtain airbag 6 and a center pillar 1 serving as a pillar positioned below the side curtain airbag 6, and the center pillar 1 The center pillar garnish 11 which is a pillar garnish provided in the center pillar, the light source 28 which is provided on the center pillar garnish 11 and illuminates the ceiling 4 of the vehicle, and the light source 28 is connected to the in-vehicle power source to be connected to the light source 28 from the lower part of the center pillar garnish 11. Since the wiring 36 is connected to the light source 28 from the lower part of the center pillar garnish 11, it can be attached to the vehicle having the side curtain airbag 6 on the upper part of the center pillar 1. Become. Further, by providing the light source 28 in the center pillar 1, the ceiling 4 can be illuminated over a wide range.

  Further, in this embodiment, in accordance with claim 2, the roof illumination garnish 21 provided with the light source 28 is provided on the outer surface of the center pillar garnish 11, so that the light source 28 is incorporated into the roof illumination garnish 21. It is possible to reduce the number of parts and the cost.

  As described above, in this embodiment, the wiring 36 is disposed between the roof illumination garnish 21 and the center pillar garnish 11 so as to correspond to the third aspect, so that a wiring space is secured inside the center pillar garnish 11. It is not necessary and wiring work is facilitated.

  Further, in this embodiment, in correspondence with the fourth aspect, since the illumination unit 32A for illuminating the lower part of the vehicle interior is provided, the lower part of the vehicle interior can be illuminated from the front side of the user, and the head etc. Therefore, a suitable irradiation position can be secured.

  As described above, in this embodiment, the roof illumination garnish 21 includes the notch opening 22 that is the insertion portion through which the belt main body 13 that is the seat belt is inserted, so that the center pillar garnish 11 is provided with the center pillar garnish 11. Even if it is attached, the roof illumination garnish 21 does not interfere with the belt body 13, and the roof illumination garnish 21 can be easily attached.

  Further, as an effect of the embodiment, since the notch opening 22 serving as the insertion portion is opened on one side in the left-right direction, it is suitable for retrofitting to the center pillar 1 provided with the seat belt device 12. Furthermore, by providing the illumination unit 32A below the center pillar 1, it is possible to switch between the seat illumination mode and the foot illumination mode. Further, the wirings 36 and 36A are hidden inside the roof illumination garnish 21 and are not exposed.

  FIG. 7 shows a second embodiment of the present invention, where the same reference numerals are given to the same portions as those of the first embodiment, and detailed description thereof is omitted. In this example, a roof illumination garnish is not used. An upper case 41 and a lower case 42 corresponding to the storage portions 27 and 31 are formed, and the upper and lower cases 41 and 42 are provided on the outer surface of the center pillar garnish 11, and the upper case 41 is located above and below the seat belt device 12. 42 is disposed below the seat belt device 12, the light source 28 is accommodated in the upper case 41, the light source 32 and the control unit 33 are accommodated in the lower case 42, and the illumination unit 32A and The operation unit 34 is provided.

  Further, the center pillar 1 is electrically connected to the light source 32 through the inside of the center pillar garnish 11 from the lower side of the center pillar 1 via the control unit 33, and the control unit 33 and the light source 28 are connected by the wiring 36A. Thus, the light source 28 is electrically connected, and this wiring 36A is also arranged inside the center pillar garnish 11.

  Thus, in the present embodiment, in correspondence with claim 1, the side curtain airbag 6 is used in a vehicle including the side curtain airbag 6 and the center pillar 1 that is a pillar positioned below the side curtain airbag 6. A center pillar 1 as a pillar located at the bottom of the bag 6, a center pillar garnish 11 as a pillar garnish provided in the center pillar 1, a light source 28 provided on the center pillar garnish 11 and illuminating the ceiling 4 of the vehicle, Since the light source 28 and the in-vehicle power source are connected and the wiring 36 connected to the light source 28 from the lower part of the center pillar garnish 11 is provided, by connecting the wiring 36 to the light source 28 from the lower part of the center pillar garnish 11, the center pillar 1 The vehicle can be attached to a vehicle having a side curtain airbag 6 on the top of the vehicle. Further, by providing the light source 28 in the center pillar 1, the ceiling 4 can be illuminated over a wide range.

  The present invention is not limited to this embodiment, and various modifications can be made within the scope of the gist of the present invention. For example, the light source is not limited to the LED, and various types can be used. Moreover, in the Example, although the light source which illuminates a ceiling was connected to the vehicle-mounted power supply via the control part, you may connect directly to a vehicle-mounted power supply.

1 Center pillar (pillar)
4 Ceiling 5 Side edge 6 Side curtain airbag 8 Lou lining
11 Center pillar garnish (pillar garnish)
12 Seat belt device
13 Belt body (seat belt)
20 Vehicle interior lighting system
21 Roof lighting garnish (mounting member)
22 Notch opening (insertion part)
28 Light source
32 Light source
32A lighting section
36 Wiring
36A wiring

Claims (5)

Used in a vehicle including a side curtain airbag and a pillar positioned at the bottom of the side curtain airbag, a pillar garnish provided in the pillar, and a light source that is provided in the pillar garnish and illuminates the ceiling of the vehicle, A vehicle interior lighting device comprising: a wiring connected between the light source and an in-vehicle power source and connected to the light source from a lower portion of the pillar garnish. The vehicle interior lighting device according to claim 1, wherein a roof illumination garnish having the light source is provided on an outer surface of the pillar garnish. The vehicle interior lighting device according to claim 2, wherein the wiring is disposed between a roof lighting garnish and the pillar garnish. The vehicle interior lighting device according to claim 3, further comprising an illumination unit that illuminates a lower portion of the vehicle interior. The vehicle interior lighting device according to any one of claims 2 to 4, wherein the roof illumination garnish includes an insertion portion for inserting a seat belt.

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