JPH04162303A - Illumination apparatus - Google Patents

Abstract

PURPOSE:To easily open or close a light shielding plate and improve the workability on lamp replacement and the like by forming a socket fitting section fitting lamp sockets to a support arm fitted to the lower face of an apparatus main body and a fitting section of the light shielding plate. CONSTITUTION:Electric parts 16, 17 forming a lighting circuit are fitted to an apparatus main body 11 in a line type indirect illumination apparatus installed on the ceiling face in an electric car, for example, and a socket fitting section 28 fitting lamp sockets 30, 31 to a support arm 22 fitted on the lower face of the apparatus main body 11 and a fitting section 33 of a light shielding plate 40 are formed. The light of a lamp 29 is radiated from between the ceiling face and the light shielding plate 40, and indirect illumination is obtained. The light shielding plate 40 can be made lightweight and is easily opened or closed, and the workability on the replacement, inspection and repair of the lamp 29 is improved.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a lighting fixture that provides line-type indirect lighting that is installed, for example, on the ceiling surface of a train.

(Prior Art) A conventional line-shaped lighting fixture of this type has a pipe-shaped frame 2 suspended from a ceiling surface 1, as shown in FIG. 4, for example.
A structure was adopted in which a base 4 was attached to the light shielding plate 3, and lighting circuit components such as a lamp socket 5 and a ballast 6 were attached to the base 4.

(Problem to be Solved by the Invention) The line type lighting fixture having the structure shown in FIG.
Lighting circuit components such as a lamp socket 5 and a ballast 6 are attached to the lamp socket 5, and the distance H between the ceiling surface and the light shielding plate 3 is
Since the light shielding plate 3 is narrow and the ballast 6 is attached to the light shielding plate 3, the light shielding plate 3 cannot be easily opened and closed, resulting in poor workability such as lamp replacement.

The present invention has been made in view of the above-mentioned problems, and the light shielding plate is attached to the support arm where the light shielding plate is attached to the main body of the device so that it can be opened and closed freely, so that the light shielding plate can be easily opened and closed with respect to the support arm. The present invention provides lighting equipment that improves workability such as lamp replacement.

[Structure of the invention]

(Means for Solving the Problems) The lighting device of the invention according to claim 1 includes a main body to which electrical components forming a lighting circuit are attached, a socket mounted on the lower surface of the main body, and a light-shielding portion. A support arm having a plate mounting part, a lamp socket mounted on the socket mounting part of the support arm, and a light shielding plate mounting part facing the lamp socket mounted on the lamp socket, the light shielding plate mounting being openably and closably mounted on the part. It consists of a light shielding plate.

The lighting device of the invention according to claim 2 has a main body on which electric components forming a lighting circuit are attached on the upper surface, and a socket mounting part and a light shielding plate mounting part, respectively, which are installed near both ends of the lower surface of the main body. a support arm having a part, a lamp socket attached to the socket mounting part of each support arm, and a lamp socket mounted to the lamp socket, the light shielding plate mounting being openably and closably mounted to the part. The lamp socket, which comprises a light shielding plate and is provided in the socket mounting portion of each of the support arms, is arranged at a position where the ends of straight tube lamps that are adjacent in the length direction overlap each other on a plane. .

The lighting fixture of the invention according to claim 3 is the lighting device according to claim 1 or 2.
In the lighting fixture described in , the light shielding plate has a planar surface, and the support arm is attached to the inner surface so that the part of the light shielding plate can be opened and closed.

(Function) In the lighting device of the invention as set forth in claim 1, an electric component forming a lighting circuit is attached to the device body, and the socket installation is a part in which the lamp socket is attached to the support arm attached to the lower surface of the device body. The light from the lamp is illuminated from between the ceiling surface and the shading plate, so the light from the lamp is illuminated from between the ceiling surface and the shading plate, making the shading plate lightweight and making it easy to open and close the shading plate. In addition, the workability of inspections and repairs such as lamp replacement is improved.

In the lighting fixture of the invention as set forth in claim 2, the socket mounting portions of the support arms each attached to the vicinity of both ends of the lower surface of the fixture body are provided with lamp sockets that are adjacent to each other in the length direction at the ends of the straight tube lamp. Since they are arranged so that they overlap each other on a plane, there is no shadow from the non-emitting ends of the lamps arranged in a straight line, and uniform indirect illumination can be obtained.

The lighting device according to the invention described in claim 3 is provided in claim 1 or 2.
In the lighting equipment described in , the light shielding plate has a flat surface and the support arm is attached to the inner surface so that the part of the light shielding plate can be opened and closed, so that the support arm is not exposed on the surface and the appearance is improved. .

(Embodiment) The configuration of an embodiment of the present invention will be described with reference to FIGS. 1 and 2. FIG.

Reference numeral 11 denotes a main body of the device, which is formed into an elongated rectangular shape, and has side edges 14 bent upward at both edges along the longitudinal direction, the tip edges of which are in contact with the lower surface of the ceiling surface 13. . A component mounting base 15 is fixed to the upper surface of this device body 11, and electrical components forming a lighting circuit such as a terminal block 16 for connecting a power line and a ballast 17 are attached to this component mounting base 15. ing. The device main body 11 is large enough to allow insertion of the component mounted on the stand 15, and has a hole 18 opened in the ceiling surface 13 for mounting the component.
Spacer 1 with side edges 14 in contact with both sides of spacer 1
The electric components are fixed to the ceiling surface 13 with screws 20 via the screws 9, and the electrical components mounted on the stand 15 are disposed inside the ceiling surface 13. Further, electric wire insertion holes 21 are formed near both ends of the instrument body 11.

Reference numeral 22 denotes a support arm, and instrument body mounting portions 23 formed wide in the width direction at the upper end of the support arm 22 are attached to the lower surface near both ends of the instrument body 11 with screws 24. Further, a trapezoidal support part 25 is fixed to the lower end of each support arm 22 with a screw 26.
A plate-shaped socket attachment part 28 is attached to the lower end fixing piece part 25a of 5 with a screw 27. In this socket mounting, lamp sockets 30 to which both end caps of the straight tube lamp 29 are mounted are mounted on the inner surface of the portion 28 in a pair facing each other and located on one side of the support arm 22. and a lamp socket 31 to which all of one end of the straight tube lamp 29 is mounted, which is located on the other side of the support arm 22 and arranged linearly in the longitudinal direction of the lamp 29.
The lamp sockets 30 and 31 are installed so that the back sides opposite to the lamp mounting surfaces face each other, and the lamp sockets 30 and 31 are arranged at a position where the ends of the straight tube lamps 29 that are adjacent in the length direction overlap each other on a plane. and each lamp socket 30.3
The ends of the lamp 29 attached to the support arm 29 are in a state where the support arm 22 is sandwiched between the ends.

Further, the socket mounting part 28 is bent outward from the upper end of the rising edges 32 on both sides of the part 28 to form a part 33, and this light shielding plate mounting part 33 is bent downward from the tip edge of the part 33. A folded back edge 34 is formed. For mounting the light shielding plate on the negative side, a shaft support 36 is mounted on the lower surface of the part 33 via a piece 35, and for mounting the light shielding plate on the other side, a locking hole is formed in the folded edge 34 formed on the part 33. 37 is formed.

Further, 40 is a light shielding plate, and both edges along the longitudinal direction of this light shielding plate 40 have edge portions 41 that are curved upward in an arc shape.
．． 42 is formed, one edge 41 is connected to the other edge 4.
It is formed higher than 2. The shaft support 3 is located near both ends along the inner side of the one side edge portion 41 of the light shielding plate 40.
A shaft support 43 disposed on the same axis as the shaft support 36 and 6 is formed, and by inserting and removing a support shaft 44 into both shaft supports 36 and 43, the light shielding plate 40 is rotated to the light shielding plate mounting portion 33. The light shielding plate 40 is movably supported on a shaft and is attached so as to be openable and closable.

Further, a latch piece 45 that is removably engaged with the locking hole 37 is rotatably supported near both ends along the inside of the other side edge portion 42 of the light shielding plate 40. is biased by a spring (not shown) in the direction of engagement with the locking hole 37.

Next, the operation of this embodiment will be explained.

Connect the power wire wired inside the ceiling surface 13 to the terminal block 16, and insert the electrical components installed on the top surface of the appliance body 11 into the hole 18 for installation on the ceiling surface 13. is fixed to the ceiling surface 13 with screws 20 via spacers 19 with the side edges 14 in contact with the peripheries on both sides, and the appliance bodies 11 are sequentially connected linearly in the longitudinal direction, and the electrical connection of each appliance body 11 is The components are arranged inside the ceiling surface 13. Note that the support arm 22, which is attached to the lower surface of the appliance body 11 by inserting the electric wire connected to the lighting circuit component in advance through the wire insertion hole 21 of the appliance body 11, is attached to the lamp socket 30, 31 provided in the part 28. It is connected to the. Then, both ends of the straight tube lamp 29 are attached to the mutually opposing lamp sockets 30 and 31, respectively. Straight tube lamp 29 attached to each of these Lumbrakerato 30.31
The end portions of the lamps 29 attached to the respective lamp sockets 30, 31 are disposed with the support arm 22 in between, such that the end portions overlap each other on a plane. Next, the light shielding plate 4
0 shaft support 43 and support arm 22 light shielding plate is attached to part 33.
By removably inserting the support shaft 44 into the shaft support 36, the light shielding plate 40 is rotatably supported by the light shielding plate mounting portion 33, and the light shielding plate 40 is attached so as to be openable and closable. Next, the latch piece 43 pivoted on the light shielding plate 40 is rotated in the closing direction around the support shaft 44 so as to close the light shielding plate 40.
By releasably engaging the latch piece 43 with the locking hole 37, the latch piece 43 is held in the state of being engaged with the locking hole 37 by a biasing force. When the lamp 29 is turned on in this state, the lamp 29
The light radiated from between the ceiling surface 13 and the light shielding plate 40 provides indirect illumination.

The socket mounting portions 28 of the support arms 22 respectively attached near both ends of the lower surface of the appliance main body 11 are provided with lamp sockets 30 and 31, so that the ends of the straight tube lamps 29 adjacent to each other in the length direction are on a plane with each other. Since the lamps 29 are arranged in overlapping positions, there is no shadow of the non-emitting end of the lamps 29 arranged on a straight line, and uniform indirect illumination can be obtained. Since no electrical parts are attached to the light shielding plate 40, the light shielding plate 40 is lightweight, making it easy to open and close the light shielding plate 4G, and improving workability in inspections and repairs such as lamp replacement. . Furthermore, the light shielding plate 40 has a planar surface, and the support arm 22 is attached to the inner surface so that the part 28 of the light shielding plate can be opened and closed.
2 is not exposed, and the appearance is improved.

In the above embodiment, the light shielding plate 40 is attached to the part 33.
It was supported so that it could be opened and closed using shaft supports 36 and 43, etc.
The structure is not limited to this, and for example, instead of the pivot support, a light shielding plate is rotatably mounted on a hinge or the like, and the light shielding plate is supported by a set screw. You can also.

〔Effect of the invention〕

According to the invention as set forth in claim 1, the electric component forming the lighting circuit is attached to the appliance body, and the socket attachment section and the light shielding plate attachment section are provided for attaching the lamp socket to the support arm attached to the lower surface of the appliance body. Since the light from the lamp is emitted from between the ceiling surface and the light-shielding plate, indirect illumination can be obtained, the weight of the light-shielding plate can be reduced, the light-shielding plate can be easily opened and closed, and the lamp can be easily opened and closed. The workability of inspections such as replacement and repairs is improved.

According to the invention set forth in claim 2, in the socket mounting portions of the support arms respectively attached near both ends of the lower surface of the appliance body, the ends of the straight tube lamps where the lamp sockets are adjacent in the length direction are mutually connected. Since they are arranged in overlapping positions on a plane, there is no shadow from the non-emitting ends of the lamps arranged in a straight line, and even indirect illumination can be obtained.

According to the invention set forth in claim 3, the surface of the light shielding plate is formed into a planar shape, and the support arm is attached to the inner surface so that the part of the light shielding plate can be opened and closed, so that the support arm is not exposed on the surface and the appearance is improved. is improved.

[Brief explanation of the drawing]

Fig. 1 is an exploded perspective view of a lighting fixture showing an embodiment of the present invention, Fig. 2 is a side view of the above lighting equipment, Fig. 3 is a front view of the lighting equipment in the construction state, and Fig. 4 is a diagram of a conventional lighting fixture. FIG. 11...Appliance body, 22...Support arm, 28...Socket mounting part, 29...Lamp, 30.31...Lamp socket, 33...Blind plate mounting part, 40...Blind plate.

Claims (3)

[Claims] (1) A device body to which electrical components forming a lighting circuit are attached, a support arm attached to the lower surface of this device body and having a socket attachment portion and a light shielding plate attachment portion, and a support arm attached to the socket attachment portion of this support arm. 1. A lighting device comprising: a lamp socket; and a light shielding plate that faces the lamp mounted on the lamp socket and is openably and closably attached to the light shielding plate mounting portion. (2) A device body to which electrical components forming a lighting circuit are attached, a support arm that is attached near both ends of the lower surface of the device body and has a socket attachment portion and a light shielding plate attachment portion, and a socket attachment for each support arm. a lamp socket attached to the lamp socket; and a light-shielding plate facing the lamp attached to the lamp socket and attached to the light-shielding plate attachment part so as to be openable and closable, and provided on the socket attachment part of each of the support arms. A lamp socket is a lighting device characterized by being arranged in a position where the ends of straight tube lamps that are adjacent to each other in the length direction overlap each other on a plane. (3) The lighting device according to claim 1 or 2, wherein the light shielding plate has a planar surface and a light shielding plate mounting portion of the support arm is attached to the inner surface so as to be openable and closable.