JP2020069922A - Composite lamp unit - Google Patents

Abstract

To provide a composite lamp unit that can be reduced in manufacturing cost, an installation space, a time and an effort for installation and wiring and the like as compared to individually configured door opening/closing pilot lamp and foot lamp.SOLUTION: A composite lamp unit 1 is disposed in the vicinity of an upper part of an opening/closing door 2. The composite lamp unit 1 comprises: a door opening/closing pilot lamp for indicating whether the opening/closing door 2 is opened or closed; and a foot lamp for illuminating a region of a foot in the vicinity of the opening/closing door 2.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a compound light unit arranged near an upper portion of an opening / closing door of a vehicle such as a railway vehicle or an elevator.

  As an example of the indicator light, the following Patent Document 1 discloses a door open / close indicator light arranged near the upper portion of an open / close door of a railway vehicle. The door opening / closing indicator light informs passengers of the opening / closing of the opening / closing door, thereby enabling the passengers to smoothly get on and off.

  In addition, conventionally, in order to improve safety when getting on and off a railway vehicle, foot lights that illuminate the foot near the opening of the opening and closing doors are located at the lower left and right sides of the opening and closing door of the railway vehicle. May be placed in the position.

JP, 2008-4835, A

  However, since the conventional door opening / closing indicator light and the foot lamp are individually configured, individually manufactured, and installed and wired in individual places, manufacturing costs, installation space, and the number of installation and wiring steps are required. Etc. will increase and the cost will inevitably increase.

  The present invention has been made in view of such circumstances, and can reduce manufacturing cost, installation space, labor for installation and wiring, etc., as compared with a door opening / closing indicator light and a footlight that are individually configured. It is an object of the present invention to provide a compound light unit that can be used.

  The following aspects will be presented as means for solving the above problems. A compound light unit according to a first aspect is a compound light unit arranged near an upper part of an opening / closing door, and includes a door opening / closing indicator light for displaying information on opening / closing of the opening / closing door, and a foot illuminating a foot near the opening / closing door. And a light.

  In this first aspect, contrary to the conventional fixed concept that the foot lights should be arranged at the lower position, not only the door opening / closing indicator light but also the foot lights are arranged near the upper part of the opening / closing door, and both are It is integrated as a compound light unit.

  Therefore, according to the first aspect, it is possible to reduce the manufacturing cost, the installation space, the number of installation and wiring steps, and the like, as compared with the door opening / closing indicator light and the footlight that are individually configured.

  A composite light unit according to a second aspect is the composite light unit according to the first aspect, wherein the light source of the door opening / closing indicator light and the light source of the foot lamp are mounted on the same circuit board.

  According to the second aspect, since the light source of the door open / close indicator light and the light source of the foot lamp are mounted on the same circuit board, wiring work or the like becomes easier. However, in the first aspect, the light source of the door opening / closing indicator light and the light source of the footstep lamp may be mounted on different circuit boards.

  A composite light unit according to a third aspect is the composite light unit according to the first or second aspect, including a control unit that controls lighting of the door opening / closing indicator light and the footstep light.

  According to the third aspect, since the combined light unit also includes the control unit, the manufacturing cost, the installation space, the installation and the wiring can be reduced as compared with the case where the control unit is provided separately from the combined light unit. The number of steps can be further reduced. However, in the first and second aspects, the control unit may be provided separately from the combined light unit.

  A compound light unit according to a fourth aspect is the composite light unit according to the third aspect, wherein the control section is a door open / close indicator light and a door open / close indicator light under the condition that the door open / close indicator light and the footstep light are not simultaneously turned on. Lighting of the foot lamp is controlled.

  When the door open / close indicator light and the foot lamp are turned on at the same time, depending on the light distribution / light guide / light amount of the display light from the door open / close indicator light or the light distribution / light guide / light amount of the foot lamp, There is a possibility that the visibility of the light-emission display by the door open / close indicator light may be reduced due to the influence of the illumination light. However, according to the fourth aspect, since the door open / close indicator light and the footstep light are not turned on at the same time, when the door open / close indicator light and the footstep light are turned on at the same time, the illumination light from the footstep light is emitted. Even when the visibility of the light emission display by the door open / close indicator light is affected, it is possible to prevent the reduction of the visibility of the light emission display by the door open / close indicator light. The degree of freedom in light distribution, light guide, light quantity, etc. of the light from the lamp and light distribution, light guide, light quantity, etc. of the foot lamp is increased.

  However, in the first to third aspects, the door open / close indicator light and the foot lamp may be allowed to be turned on at the same time.

  The compound light unit according to a fifth aspect is the composite light unit according to the third or fourth aspect, wherein the control unit is based on a signal indicating the opening start time point and the closing start time point of the open / close door. Lighting control of the foot lamp is performed.

  According to the fifth aspect, since both the door opening / closing indicator light and the foot lamp are controlled to be lit based on the signal, the signals used for the control can be made common and the wiring can be reduced. it can. However, in the third or fourth aspect, the door opening / closing indicator light and the footstep light may be controlled based on other signals, not limited to the fifth aspect.

  A compound light unit according to a sixth aspect is the composite light unit according to the fifth aspect, wherein the control unit blinks for a first period from a time point when the door opening / closing indicator light starts to open the opening / closing door and a time point to start closing the opening / closing door. To control the lighting of the door opening / closing indicator light so as to blink during the second period, and the control unit controls the lighting so that the foot lamp lights up after the first period until the closing start time. Lighting control of the foot lamp is performed.

  The sixth mode is a specific example of the lighting control in the fifth mode.

  According to the present invention, it is possible to reduce the manufacturing cost, the installation space, the number of installation and wiring steps, and the like, as compared with the door open / close indicator light and the footlight that are individually configured.

It is a schematic perspective view which shows typically an example of the state with which the compound light unit by the 1st Embodiment of this invention was attached in the upper part of the opening / closing door of a rail vehicle. FIG. 2 is a schematic exploded perspective view showing the combined light unit shown in FIG. 1. FIG. 2 is a schematic cross-sectional view schematically showing a state in which the combined light unit shown in FIG. 1 is attached near the upper part of an opening / closing door of a railway vehicle. It is an expansion schematic sectional drawing which shows a part in FIG. It is a schematic block diagram which shows the electric constitution of the compound lamp unit shown in FIG. 3 is a timing chart schematically showing the operation of the combined light unit shown in FIG. 1. It is a timing chart which shows operation | movement of the 1st modification of the compound lamp unit by the 1st Embodiment of this invention typically. 7 is a timing chart schematically showing an operation of a second modified example of the compound lamp unit according to the first embodiment of the present invention. It is a timing chart which shows operation | movement of the 3rd modification of the compound lamp unit by the 1st Embodiment of this invention typically. It is a timing chart which shows operation | movement of the 4th modification of the compound lamp unit by the 1st Embodiment of this invention typically. It is a timing chart which shows typically operation | movement of the 5th modification of the compound lamp unit by the 1st Embodiment of this invention. It is a timing chart which shows operation | movement of the 6th modification of the compound lamp unit by the 1st Embodiment of this invention typically. It is a schematic perspective view which shows typically the principal part of the compound lamp unit by the 2nd Embodiment of this invention. It is a schematic sectional drawing which shows typically the compound light unit by the 2nd Embodiment of this invention attached to the upper part of the opening / closing door of a rail vehicle. It is a schematic perspective view which shows typically the principal part of the compound lamp unit by the 3rd Embodiment of this invention. It is a schematic sectional drawing which shows typically the compound light unit by the 3rd Embodiment of this invention attached to the upper part of the opening / closing door of a rail vehicle. It is a schematic perspective view which shows typically the principal part of the compound lamp unit by the 4th Embodiment of this invention. It is a schematic sectional drawing which shows typically the compound light unit by the 4th Embodiment of this invention attached to the upper part of the opening / closing door of a rail vehicle. It is a schematic perspective view which shows typically the principal part of the compound lamp unit by the 5th Embodiment of this invention. It is a schematic sectional drawing which shows typically the compound light unit by the 4th Embodiment of this invention attached to the upper part of the opening / closing door of a rail vehicle.

  Hereinafter, a compound light unit according to the present invention will be described with reference to the drawings.

  [First Embodiment]

  FIG. 1 is a schematic perspective view schematically showing an example of a state in which a compound light unit 1 according to a first embodiment of the present invention is attached near an upper portion of an opening / closing door 2 of a railway vehicle inside a vehicle. FIG. 2 is a schematic exploded perspective view showing the compound lamp unit 1 shown in FIG. FIG. 3 is a schematic cross-sectional view schematically showing a state in which the combined light unit 1 shown in FIG. 1 is attached near the upper part of the inside and outside of the opening / closing door 2 of the railway vehicle. FIG. 4 is an enlarged schematic sectional view showing a part of FIG.

  For convenience of explanation, as shown in FIGS. 1 to 4, an X axis, a Y axis and a Z axis which are orthogonal to each other are defined. The direction of the arrow in the X-axis direction is called the + X direction or the + X side, and the opposite direction is called the -X direction or the -X side, and the same applies to the Y-axis direction and the Z-axis direction. In the present embodiment, the Z-axis direction is the vertical direction, with the + Z side being the upper side and the −Z side being the lower side. These points are the same for each drawing described later.

  As shown in FIG. 1, the compound light unit 1 according to the present embodiment is arranged near the upper part of the inside and outside of the opening / closing door 2 of a railway vehicle, and displays the opening / closing of the opening / closing door 2 and the opening / closing door 2. A foot light for illuminating the foot around the door is provided, and the door opening / closing indicator light and the foot light are integrated.

  As shown in FIGS. 2 to 4, the combined light unit 1 according to the present embodiment forms a part of a casing B in which a door engine of a railway vehicle is housed (provided above the door 2 in the vertical direction. It is attached to the said support body 10 as the support body 10. An in-vehicle guidance display device 5 is attached to the vertical surface 3 of the housing B.

  The support 10 has a plate-like shape and includes a first surface (a surface on the −Z side) 10a and a second surface (+ Z side) opposite to the first surface 10a as illustrated in FIGS. 2 to 4. Surface 10b). The material of the support 10 is not particularly limited, but sheet metal or the like is used, for example.

  As shown in FIGS. 2 to 4, five mounting holes 10c, which are through holes penetrating in the Z-axis direction, are formed in the support body 10 at predetermined intervals in the X-axis direction. The diameter of the mounting hole 10c is smaller than the outer diameter R1 of the locking portion 24 described later and larger than the outer diameter R2 of the annular portion 24a (see FIG. 2).

  As shown in FIGS. 2 to 5, the combined light unit 1 according to the present embodiment includes a unit body 21, a light emitting portion 22, light guide portions 23A and 23B, a hook portion 24, and a fixing ring 25. It has a light source 26A for a door open / close indicator light and a light source 26B for a foot light. The light guide portion 23A is provided corresponding to the light source 26A for the door opening / closing indicator light, and the light guide portion 23B is provided corresponding to the light source 26B for the foot lamp.

  As shown in FIG. 2, the unit main body 21 has a circuit board 21a and a pedestal portion 21b.

  The circuit board 21a has a plate-like shape and has a first main surface S1 and a second main surface S2 opposite to the first main surface S1 as shown in FIGS. 2 to 4. As shown in FIG. 2, the circuit board 21a has a plurality of through holes H1 penetrating the first main surface S1 and the second main surface S2 at both ends facing each other in the X direction.

  The circuit board 21a of the present embodiment is typically a printed board, and the type thereof is not particularly limited, and may be a rigid board, a flexible board (FPC), a rigid flexible board (rigid FPC), or the like.

  The pedestal portion 21b is installed on the second surface 10b of the support body 10 as shown in FIGS. 3 and 4, and has a function of supporting the circuit board 21a. As shown in the figure, the pedestal portion 21b has a plate-shaped member M1 and an L-shaped member M2.

  As shown in FIG. 2, the plate-shaped member M1 has five through holes H2 provided at predetermined intervals in the X-axis direction. Here, in the present embodiment, the through hole H2 is formed in the plate member M1 so as to face the mounting hole 10c in the Z-axis direction, as shown in FIG.

  The diameter of the through hole H2 is typically the same as the diameter of the mounting hole 10c provided in the support body 10. Further, in the present embodiment, the number of through holes H2 is appropriately determined according to the total number of light sources 26A and 26B, and is five in this example.

  As shown in FIG. 2, the L-shaped member M2 is integrally provided with the plate-shaped member M1 at both ends of the plate-shaped member M1 facing each other in the X-axis direction. As shown in FIG. 2, the L-shaped member M2 has a plurality of screw holes H3 facing the through hole H1 of the circuit board 21a in the Z-axis direction. In the present embodiment, the circuit board 21a is fixed to the pedestal portion 21b by screwing a screw member (not shown) inserted through the through hole H1 into the screw hole H3 and screwing.

  The light emitting portion 22 has a plate-like shape, faces the first surface 10a of the support 10 as shown in FIG. 2, and is installed on the first surface 10a as shown in FIGS. 3 and 4. .. As shown in FIGS. 2 to 4, the light emitting portion 22 includes a facing surface (a surface on the + Z side) 22a facing the first surface 10a and a light emitting surface (a surface on the −Z side) 22b on the opposite side. Have. As a material of the light emitting portion 22, for example, a resin such as an acrylic resin or a glass material is adopted. The light emitting portion 22 may be transparent, colored transparent, milky white, or the like.

  As shown in FIGS. 3 and 4, the facing surface 22a is a flat surface that is in contact with the first surface 10a, and transmits the light transmitted from the light source 26A for the door open / close indicator light through the light guide portion 23A. It also functions as a reflecting surface that reflects toward the light emitting surface 22b. The light emitting surface 22b irradiates the light transmitted through the light guide portion 23A to the outside. The light emitting surface 22b is typically flat as shown in FIGS. 2 to 4, but may be provided with a diffusing portion, a lens portion, or the like. As a result, the light emitting unit 22 can diffuse the illumination light originating from the light source 26A that has entered via the light guide unit 23A, which will be described later, within the plane of the light emitting surface 22b.

  The light guide portion 23A that guides the light emitted from the light source 26A for the door open / close indicator light has a columnar shape and has a first end portion 23a and a second end portion 23b as shown in FIGS. 2 to 4. Have. As shown in FIGS. 2 to 4, the first end 23a faces the light source 26A in the −Z direction (the direction in which the light source 26A emits the irradiation light), and the second end 23b of the light emitting portion 22. It is connected to the facing surface 22a. The first end portion 23a is configured as a light incident portion on which the light emitted from the light source 26A is incident.

  The first end 23a may be in contact with the light source 26A. In this case, the light source 26A is joined to the first end 23a via, for example, a transparent adhesive. Further, in the present embodiment, the light guide portion 23A is formed of the same material as the light emitting portion 22 and is formed integrally with the light emitting portion 22, and both of them are configured by integrally molded components. However, both may be formed as separate bodies, and the two may be joined to each other via, for example, a transparent adhesive. In this case, both materials may be different.

  In the present embodiment, the light guide section 23A has a function of guiding the illumination light emitted from the light source 26A toward the light emitting section 22 to the light emitting section 22 while totally internally reflecting the illumination light. As a result, the illumination light of the required luminous intensity can be efficiently guided toward the light emitting portion 22, and the light utilization efficiency of the light source 26A can be improved.

  The light guide portion 23B that guides the light emitted from the foot light source 26B has a tubular shape, and as shown in FIGS. 3 and 4, the first end portion 23d, the second end portion 23e, and the internal hole. 23f. As shown in FIG. 3 and FIG. 4, the + Z side opening of the internal hole 23f opened to the first end 23d side is opposed to the light source 26B and is configured as a light incident portion on which the light emitted from the light source 26B is incident. It The second end 23e is connected to the facing surface 22a of the light emitting portion 22, a through hole 22c is formed in the light emitting portion 22 so as to be continuous with the −Z side opening of the internal hole 23f, and the through hole 22c is The light is emitted from the light source 26B and is configured as a light emission port through which the light is emitted to the outside.

  In the present embodiment, the light guide portion 23B is made of the same material as the light emitting portion 22 and is integrally formed with the light emitting portion 22, and both are formed by integrally molded parts. However, both may be formed as separate bodies and the two may be joined via an adhesive, for example. In this case, both materials may be different. Further, a reflective layer may be formed on the wall surface of the inner hole 23f and the wall surface of the through hole 22c, if necessary.

  In the present embodiment, the light guide portion 23B and the through hole 22c cause the light emitting portion 22 to totally reflect the illumination light emitted from the light source 26B toward the light emitting portion 22 on the wall surface of the inner hole 23f and the wall surface of the through hole 22c. It has a function of emitting light from the through hole 22c and guiding it to the vicinity of the feet. As a result, it is possible to efficiently guide the illumination light of the required luminous intensity to the vicinity of the feet and improve the light utilization efficiency of the light source 26B.

  As shown in FIGS. 2 to 4, the light guide portions 23A and 23B have a concave portion 23c (groove portion) continuously formed on the peripheral surface.

  In addition, as shown in FIGS. 2 to 4, a plurality of light guide portions 23A and 23B are provided on the light emitting portion 22 at predetermined intervals in the X-axis direction. Here, as shown in FIG. 2, the light guide portions 23A and 23B are provided on the facing surface 22a of the light emitting portion 22 so as to face the mounting hole 10c and the through hole H2 in the Z-axis direction. The number of light guide portions 23A and 23B is appropriately determined according to the number of light sources 26A and 26B. In this example, there are three light guide portions 23A and two light guide portions 23B. The outer diameters of the light guide portions 23A and 23B are large enough to be inserted through the mounting hole 10c and the through hole H2.

  As shown in FIGS. 2 to 4, the hooking portion 24 is composed of an annular component having an annular portion 24a and a protruding portion 24b. The annular portion 24a has a cylindrical shape and has a through hole H4 as shown in FIG. The annular portion 24a is installed on the facing surface 22a of the light emitting portion 22 as shown in FIGS. 3 and 4, and the through hole H4 is inserted through the light guide portions 23A and 23B.

  As shown in FIGS. 3 and 4, the annular portion 24a has a protruding portion 24c that projects radially inward from the inner wall surface of the through hole H4. The protrusion 24c is formed integrally with the inner wall surface of the through hole H4. The protrusion 24c is formed continuously and annularly around the inner wall surface. In the present embodiment, the recess 23c is formed in a substantially V-shaped cross section, and the protrusion 24c is formed in a substantially triangular cross section that fits into the groove.

  As a result, in the state where the light guide portions 23A and 23B are inserted through the through hole H4, as shown in FIGS. 3 and 4, the protrusion 24c engages with the recess 23c, and the recess 23c (the light guide portion 23A, The annular portion 24a is attached to 23B). As a result, the light guide portions 23A and 23B are prevented from falling off from the hook portion 24.

  The inner diameter of the annular portion 24a (the diameter of the through hole H4) is set according to the outer diameter of the light guide portions 23A and 23B, and has a size that allows the light guide portions 23A and 23B to be inserted therethrough. The outer diameter R2 of the annular portion 24a is large enough to be inserted through the mounting hole 10c and the through hole H2. The material of the annular portion 24a is not particularly limited, but may be made of an elastic material such as synthetic resin or synthetic rubber. As the synthetic rubber, for example, a synthetic rubber of polybutanediene-based, nitrile or chloroprene-based material is adopted.

  As shown in FIGS. 2 to 4, a plurality of protrusions 24b are provided integrally with the outer peripheral surface of the annular portion 24a. Further, as shown in FIG. 2, a plurality of protrusions 24b are arranged along the circumference of the annular portion 24a to form an aggregate. In this embodiment, a plurality of the aggregates are provided along the Z-axis direction.

  The protruding portion 24b is made of an elastic material and is elastically deformable inward in the radial direction. The maximum outer diameter of the protruding portion 24b in the natural state is larger than the inner diameters of the mounting hole 10c and the through hole H2. Further, as shown in FIGS. 2 to 4, the protruding portion 24b has a wedge shape that protrudes radially outward while inclining from the outer peripheral surface of the annular portion 24a toward the support body 10 by a predetermined angle. Therefore, when the hooking portion 24 is inserted from the first surface 10a side of the support body 10 into the mounting hole 10c and the through hole H2, the protruding portion 24b is elastically deformed radially inward, and the protrusion passing through the through hole H2. A part of the portion 24b elastically recovers and expands in diameter, and faces the light emitting portion 22 with the support body 10, the plate member M1 and the fixing ring 25 interposed therebetween (see FIGS. 3 and 4).

  Although the protruding portion 24b of the present embodiment is provided over the entire outer peripheral surface of the annular portion 24a, it may be provided partially at a height position where a predetermined space is formed between the protruding portion 24b and the light emitting portion 22. Good.

  As shown in FIGS. 3 and 4, the protruding portion 24 has the light guide portions 23A and 23B and the hooking portion 24 when the mounting hole 10c, the through hole H2, and the fixing ring 25 are inserted, as shown in FIGS. 10c, the through hole H2, and the inner wall surface of the fixing ring 25 are urged radially inward of the annular portion 24a and hooked on these inner wall surfaces.

  On the other hand, the projecting portion 24 that is not urged radially inward by the inner wall surface projects radially outward of the annular portion 24a and is hooked on the peripheral edge of the fixing ring 25, as shown in FIGS. 3 and 4.

  That is, since the protruding portion 24 of the present embodiment is elastically deformable inward of the annular portion 24a, the light guide portions 23A, 23B and the hooking portion 24 are inserted through the mounting hole 10c and the through hole H2. In this state, the mounting hole 10c, the through hole H2, the inner wall surface of the fixed ring 25, and the peripheral edge of the fixed ring 25 are engaged.

  As a result, movement of the light guide portions 23A, 23B and the hooking portion 24 in the direction away from the light source 26 and movement of the plate member M1 in the direction approaching the light source 26 are prevented, and the unit main body 21 is supported. Supported by 10.

  The fixing ring 25 is inserted from the second surface 10b side of the support body 10 into the light guide portions 23A and 23B and the hook portion 24, and contacts the upper surface of the plate-shaped member M1 as shown in FIGS. 3 and 4. ..

  As shown in FIGS. 3 and 4, the fixing ring 25 pushes the protrusion 24 inward of the annular portion 24 while being inserted into the light guide portions 23A, 23B and the hook portion 24, and The protrusion 25, which protrudes radially outward from the inner diameter of the fixed ring 25, presses the second surface 10b.

  That is, the fixing ring 25 of the present embodiment prevents movement of the light guide portions 23A, 23B and the hooking portion 24 in the direction away from the light sources 26A, 26B (downward in FIGS. 3 and 4), and the plates It has a function of pinching the member M1 with the support 10. As a result, the plate member M1 is sandwiched between the fixing ring 25 and the support body 10, and the unit main body 21 is firmly supported by the support body 10.

  In order to secure the function, as shown in FIGS. 3 and 4, the inner diameter of the fixing ring 25 is smaller than the diameter of the mounting hole 10c and the through hole H2, and the outer diameter of the fixing ring 25 is the same as that of the mounting hole 10c and the through hole. It is formed larger than the diameter of H2. The fixing ring 25 may be omitted.

  The light sources 26A and 26B are mounted on the second main surface S2 of the circuit board 21a, as shown in FIGS. 2 to 4. The light sources 26A and 26B are configured to be capable of emitting illumination light from the second main surface S2 side toward the first end 23a of the light guide portion 23A or the + Z side opening of the internal hole 23f of the light guide portion 23B. .. In the present embodiment, LEDs (Light Emitting Diodes) as light emitting elements are used as the light sources 26A and 26B. The type of LED is not particularly limited, and may be, for example, a shell type, a FLUX type, a surface mount type (SMD), a COB (Chip On Board) type, or the like. However, in the present invention, the light sources 26A and 26B are not limited to LEDs.

  The plurality of light sources 26A and 26B are installed on the second main surface S2 at predetermined intervals in the X direction as shown in FIGS. 2 to 4, and the number thereof is not particularly limited. In this example, there are three light sources 26A for the door open / close indicator lights and two light sources 26B for the foot lights. Here, in the present embodiment, the light sources 26A and 26B are arranged so as to face the mounting hole 10c, the through hole of the fixing ring 25, and the through holes H2 and H4 in the Z-axis direction, as shown in FIGS. Is installed on the second main surface S2.

  The color of the illumination light emitted from the light source 26A for the door open / close indicator light is not particularly limited, and is appropriately determined according to the specification and the application, and is, for example, red, orange, or the like. The color of the foot-light light source 26B is not particularly limited, and is appropriately determined according to the specification and application, and is, for example, white or the like.

  FIG. 5 is a schematic block diagram showing an electrical configuration of the compound lamp unit 1 shown in FIG. In FIG. 5, the three light sources 26A for door opening / closing indicators are represented by one light source 26A, but in the present embodiment, actually, the three light sources 26A are connected in parallel with each other. There is. In FIG. 5, the three light sources 26B for the foot lamps are shown as one light source 26B as a representative, but in the present embodiment, two light sources 26B are actually connected in parallel with each other.

  As shown in FIG. 5, the composite light unit 1 according to the present embodiment includes a control unit 31 that controls lighting of the door opening / closing indicator light and the foot lamp. In the present embodiment, the control unit 31 includes a ground connection unit 31a that is grounded, a power supply input unit 31b that is connected to a power supply line of DC24V, DC100V, or AC, and a door open signal input that receives a door open signal. It has a unit 32c, a power supply unit 33, a signal input circuit unit 34, and a logic circuit unit 35. These and the light source 26A for the door open / close indicator light and the light source 26B for the foot lamp are connected as shown in FIG.

  The power supply unit 33 outputs an input power supply as a DC voltage suitable for driving the logic circuit unit 35 and the light sources 26A and 26B. The signal input circuit unit 34 is configured by using a photo coupler or the like, electrically isolates the door open signal input unit 32c, and supplies it to the logic circuit unit 35. The logic circuit unit 35 controls the lighting of the light sources 26A and 26B as shown in FIG. 6 described later in response to the door open signal input from the door open signal input unit 32c through the door open signal input unit 32c. Composed of.

  The door open signal is a signal indicating the opening start time point t1 of the opening / closing door 2 and the closing start time point t2 of the opening / closing door 2, as shown in FIG. 6 described below.

  FIG. 6 is a timing chart schematically showing the operation of the combined light unit shown in FIG. In the present embodiment, as shown in FIG. 6, the logic circuit unit 35 responds to the input door open signal from the opening start time point t1 to the time point t3 (the time point after a predetermined time T1 has elapsed from the time point t1). And the period from the closing start time t2 to the time after a predetermined time T2 elapses), the light source 26A for the door open / close indicator light blinks (lights and lights are repeated) while the door open / close display is performed in other periods. The light source 26A is controlled so that the light source 26A for the lamp is turned off. In addition, the logic circuit unit 35 responds to the input door opening signal to turn on the light source 26B for the foot lamp during the period from the time point t3 to the time point t2 at which the door starts to be closed, while turning on the light source for the foot lamp during another period. The light source 26B is controlled to be turned on so that the light source 26B is turned off. Note that during the period t1-t3 and the period t2-t4, the light source 26A may be kept on instead of blinking. This also applies to the blinking period in FIGS. 8 to 12 described later.

  As described above, in the present embodiment, the control unit 31 controls the door opening / closing indicator light based on the door opening signal under the condition that the door opening / closing indicator lamp and the footstep lamp are not simultaneously turned on. And controlling the lighting of the foot lamp.

  In the present embodiment, contrary to the conventional fixed concept that the foot lights should be arranged at the lower position, not only the door opening / closing indicator lights but also the foot lights are arranged near the upper part of the opening / closing door 2, and both are It is integrated as a combined light unit 1.

  Therefore, according to the present embodiment, it is possible to reduce the manufacturing cost, the installation space, the number of installation and wiring steps, and the like, as compared with the door open / close indicator light and the footlight that are individually configured.

  Further, in the present embodiment, since the light source 26A for the door open / close indicator light and the light source 26B for the foot lamp are mounted on the same circuit board 21a, the wiring work or the like becomes easier. However, in the present invention, the light source 26A for the door open / close indicator light and the light source 26B for the foot lamp may be mounted on different circuit boards.

  Further, in the present embodiment, since the combined light unit 1 also includes the control unit 31, compared with the case where the control unit 31 is provided separately from the combined light unit 1, the manufacturing cost, the installation space, the number of installation and wiring steps are reduced. And the like can be further reduced. However, in the present invention, the control unit 31 may be provided separately from the combined light unit 1.

  In the present embodiment, as described above, the control unit 31 controls the lighting of the door open / close indicator lamp and the foot lamp under the condition that the door open / close indicator lamp and the foot lamp are not simultaneously illuminated. When the door open / close indicator light and the foot lamp are turned on at the same time, depending on the light distribution / light guide / light amount of the display light from the door open / close indicator light or the light distribution / light guide / light amount of the foot lamp, There is a possibility that the visibility of the light emission display by the door opening / closing indicator lamp may be deteriorated due to the influence of the illumination light. However, according to the present embodiment, since the door opening / closing indicator light and the footstep light are not turned on at the same time, when the door opening / closing indicator light and the footstep light are turned on at the same time, the influence of the illumination light from the footstep light Even if the visibility of the light emission display by the door open / close indicator light is deteriorated, it is possible to prevent the reduction of the visibility of the light emission display by the door open / close indicator light. Thus, the degree of freedom in the distribution, guiding, and quantity of display light and the distribution, guiding, and quantity of foot lights is increased.

  In the present embodiment, the control unit 31 controls the lighting of the door opening / closing indicator light and the footstep light based on the door opening signal indicating the opening start time point t1 and the closing start time point t2 of the opening / closing door 2. According to the present embodiment, since both the door opening / closing indicator light and the foot lamp are controlled to be lit based on the door opening signal, it is possible to make the signals used for control common and reduce wiring. it can.

  [First Modification of First Embodiment]

  FIG. 7 is a timing chart schematically showing the operation of the first modification of the first embodiment, which corresponds to FIG. This modification is different from the first embodiment in that the control unit 31 controls the foot light source 26B during the periods t1-t3 and t2-t4 during which the light source 26A for the open / close indicator light is blinking. Is a point to control so as to turn on.

  As described above, in the present modification, the door open / close indicator light and the foot lamp are turned on at the same time, but the visibility of the light emission display by the door open / close indicator light is increased by increasing the light amount of the light source 26A for the open / close indicator light. Can be prevented.

  [Second Modification of First Embodiment]

  FIG. 8 is a timing chart schematically showing the operation of the second modified example of the first embodiment, and corresponds to FIG. This modification is different from the first embodiment in that not only the door open signal but also the door open notice signal for notifying that the open / close door 2 is opened (for example, the distance to the stop station is It is configured to control the light sources 26A and 26B based also on the condition that the distance is equal to or less than a predetermined distance and / or the signal obtained when the condition that the vehicle speed has decreased to a predetermined speed or less). ..

  In the present modification, the control unit 31 opens and closes the door during a period from the time t5 when the door opening notice signal is obtained to a time point t1 at which the door starts to be opened and a time period from a time point t2 at which the door starts to be closed to a time point after a predetermined time T2 has elapsed. The light source 26A is controlled so that the light source 26A for the indicator light blinks (lights and lights are repeated repeatedly) while the light source 26A for the door open / close indicator light is turned off in another period. In addition, the control unit 31 turns on the light source 26B for the foot lamp during the period from the opening start time t1 to the closing start time t2, while turning off the foot light source 26B during the other period. Control lighting.

  In the present modification, the light source 26B for the foot lamp may be turned on even during the period t2-t4.

  [Third Modification of First Embodiment]

  FIG. 9 is a timing chart schematically showing the operation of the third modification of the first embodiment and corresponds to FIG. This modification is different from the first embodiment in that the control unit 31 notifies not only the door opening signal but also a door closing notice signal for notifying that the opening / closing door 2 is closed (for example, a door opening book by the conductor). It is configured so as to control the light sources 26A and 26B based also on (a signal obtained by a preliminary operation performed before the operation).

  In the present modification, the control unit 31 controls the period from the opening start time point t1 to the time point t3 (the time point after a predetermined time T1 has elapsed from the time point t1) and the time point t6 to the time point t4 (the closing time). The light source 26A for the door open / close indicator light is turned off while the light source 26A for the door open / close indicator light is blinked in the period from the start time t2 to the time point after the elapse of the predetermined time T2). To control. Further, the control unit 31 controls the lighting of the light source 26B such that the light source 26B for the foot lamp is turned on in the period from the time point t3 to the time point t6, while the light source 26B for the foot lamp is turned off in the other period. ..

  [Fourth Modification of First Embodiment]

  FIG. 10 is a timing chart schematically showing the operation of the fourth modified example of the first embodiment, and corresponds to FIG. 9. This modified example is different from the third modified example of the first embodiment in that the control unit 31 is in a period t1-t3 and a period t6-t4 in which the light source 26A for the open / close indicator light is blinking. Is also a point to control so that the light source 26B for the foot lamp is turned on.

  In addition, in this modification, the light source 26B for the foot lamp may be turned off even in the period t2-t4.

  [Fifth Modification of First Embodiment]

  FIG. 11 is a timing chart schematically showing the operation of the fifth modification of the first embodiment, which corresponds to FIG. This modification is different from the first embodiment in that the control unit 31 controls the light sources 26A and 26B based not only on the door open signal but also on the door open notice signal and the door close notice signal. It is configured so that

  In the present modification, the control unit 31 controls the period from the time t5 when the door opening warning signal is obtained to the opening start time t1 and the time t6 from the time t6 when the door closing warning signal is obtained (from the closing start time t2. The light source 26A is controlled so that the light source 26A for the door open / close indicator light blinks during a period up to a time point after the elapse of the predetermined time T2) while the light source 26A for the door open / close indicator light is turned off in another period. In addition, the control unit 31 turns on the light source 26B for the foot lamp in the period from the opening start time point t1 to the time point t6, while turning on the light source 26B in the other period so as to turn off the light source 26B for the foot lamp. Control.

  [Sixth Modification of First Embodiment]

  FIG. 12 is a timing chart schematically showing the operation of the sixth modified example of the first embodiment, and corresponds to FIG. 11. This modified example is different from the fifth modified example of the first embodiment in that the control unit 31 uses the foot light even during the period t6-t4 during which the light source 26A for the open / close indicator light is blinking. The point is to control so that the light source 26B is turned on.

  In addition, in this modification, the light source 26B for the foot lamp may be turned off even in the period t2-t4.

  [Second Embodiment]

  FIG. 13 is a schematic perspective view schematically showing a main part of the compound lamp unit 101 according to the second embodiment of the present invention. In FIG. 13, only the light sources 26A and 26B and the light emitting portion 122 are shown. FIG. 14 is a schematic cross-sectional view showing a state in which the compound lamp unit 101 according to the present embodiment is attached near the upper part of the opening / closing door 2 of the railway vehicle, and corresponds to FIG. 3.

  13 and 14, elements that are the same as or correspond to the elements in FIGS. 1 to 4 are assigned the same reference numerals, and overlapping descriptions thereof are omitted. The complex light unit 101 according to the present embodiment differs from the complex light unit 1 according to the first embodiment in the following points.

  In the present embodiment, the light emitting portion 122 is used instead of the light emitting portion 22 and the light guide portion 23, and the male screw stud 123, the spacer 124, and the nut 125 are used instead of the pedestal portion 21b, the hooking portion 24, and the fixing ring 25. Is used.

  The light emitting part 122 is formed of the same material as the light emitting part 22 integrally with the base plate part 122a on the light emitting side of the base plate part 122a, and is arranged in the X-axis direction so as to cover all the light sources 26A and 26B. It is composed of an extended protrusion 122b. Instead of the mounting hole 10c, the support body 10 is provided with a long hole 10d that allows the projection 122b to project toward the −Z side and the base plate 122 not to project toward the −Z side. A mounting hole H5 is formed in the base plate portion 122.

  The hole H5 of the base plate portion 122, the hole of the spacer 124, and the hole H1 of the circuit board 21a are sequentially inserted into the male screw stud 123 protruding from the support 10 by welding or the like, and the nut 125 is screwed into the male screw stud 123. Thus, each member is fixed to the support 10.

  According to this embodiment, the same advantages as those of the first embodiment can be obtained. The same modifications as those of the first to sixth modifications can be applied to the present embodiment as well.

  [Third Embodiment]

  FIG. 15 is a schematic perspective view schematically showing a main part of the compound lamp unit 201 according to the third embodiment of the present invention, and corresponds to FIG. FIG. 16 is a schematic cross-sectional view showing a state in which the combined light unit 201 according to the present embodiment is attached near the upper part of the opening / closing door 2 of the railway vehicle, and corresponds to FIG. 14.

  In FIGS. 15 and 16, elements that are the same as or correspond to the elements in FIGS. 13 and 14 are given the same reference numerals, and duplicate descriptions thereof will be omitted. The complex light unit 201 according to the present embodiment is different from the complex light unit 101 according to the second embodiment in the following points.

  In the present embodiment, in the light emitting portion 122, a mortar-shaped hole 122d is formed at a location corresponding to the light source 26B for the foot lamp in the projection 122b instead of the projection 122b that is long in the X-axis direction. The corresponding protrusion 122c is used.

  According to this embodiment, the same advantages as those of the first embodiment can be obtained. The same modifications as those of the first to sixth modifications can be applied to the present embodiment as well.

  [Fourth Embodiment]

  FIG. 17 is a schematic perspective view schematically showing a main part of a compound lamp unit 301 according to the fourth embodiment of the present invention, and corresponds to FIG. FIG. 18 is a schematic cross-sectional view showing a state in which the combined light unit 301 according to the present embodiment is attached near the upper part of the opening / closing door 2 of the railway vehicle, and corresponds to FIG. 14.

  In FIGS. 17 and 18, elements that are the same as or correspond to the elements in FIGS. 13 and 14 are given the same reference numerals, and duplicate descriptions thereof will be omitted. The complex light unit 301 according to the present embodiment is different from the complex light unit 101 according to the second embodiment in the following points.

  In this embodiment, the number of light sources 26A and 26B is two each. Further, in the present embodiment, in the light emitting portion 122, instead of the protruding portion 122b that is long in the X-axis direction, individual protruding portions 122e are formed corresponding to each of the light sources 26A and 26B.

  According to this embodiment, the same advantages as those of the first embodiment can be obtained. The same modifications as those of the first to sixth modifications can be applied to the present embodiment as well.

  [Fifth Embodiment]

  FIG. 19 is a schematic perspective view schematically showing a main part of a compound lamp unit 401 according to the fifth embodiment of the present invention, and corresponds to FIG. 20 is a schematic cross-sectional view showing a state in which the combined light unit 401 according to the present embodiment is attached near the upper part of the opening / closing door 2 of the railway vehicle, and corresponds to FIG. 14.

  19 and 20, elements that are the same as or correspond to the elements in FIGS. 13 and 14 are given the same reference numerals, and duplicate descriptions thereof will be omitted. The complex light unit 401 according to the present embodiment is different from the complex light unit 101 according to the second embodiment in the following points.

  In the present embodiment, in the light emitting portion 122, instead of the protrusion 122b that is long in the X-axis direction, individual protrusions 122f corresponding to only the light source 26A are formed, and a protrusion is provided for the light source 26B. Not formed.

  According to this embodiment, the same advantages as those of the first embodiment can be obtained. The same modifications as those of the first to sixth modifications can be applied to the present embodiment as well.

  Although the respective embodiments and modifications of the present invention have been described above, the present invention is not limited to these. For example, in the present invention, the number and arrangement of the light sources 26A and 26B, the mounting structure for the support 10, and the like are not limited to the examples described above.

  Further, the present invention can be applied to a compound light unit arranged near an upper portion of an opening / closing door of a vehicle other than a railroad vehicle or an elevator.

1, 101, 201, 301, 401 Compound light unit 2 Open / close door 26A Light source for door open / close indicator light 26B Light source for foot light 31 Control unit

Claims (6)

A compound light unit arranged near the upper part of the door,
A door opening / closing indicator light for displaying the opening / closing of the opening / closing door,
A foot light that illuminates the foot near the door.
A compound light unit characterized by having.   The compound light unit according to claim 1, wherein the light source of the door open / close indicator light and the light source of the footstep light are mounted on the same circuit board.   The compound light unit according to claim 1 or 2, further comprising a control unit that controls lighting of the door open / close indicator light and the footstep light.   The control unit controls lighting of the door open / close indicator light and the footstep light under the condition that the door open / close indicator light and the footstep light are not turned on at the same time. Compound light unit.   5. The composite lamp according to claim 3, wherein the control unit controls the lighting of the door opening / closing indicator light and the foot lamp based on signals indicating the opening start time point and the closing start time point of the opening / closing door. unit. The control unit lights the door open / close indicator light so that the door open / close indicator light blinks for a first period from the opening start time of the open / close door and also blinks for a second period from the close start time of the open / close door. Control and
The control unit controls the lighting of the foot lamp so that the foot lamp lights up after the first period until the closing start time.
The combined light unit according to claim 5, wherein:

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