JPH0992024A - Ballast support device and vertically moving lighting system using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate parts replacement and inspection work by allowing a ballast box, a lamp, a reflector, etc.; to be singly mounted and removed independently of one another. SOLUTION: A ballast support device 12 is provided which includes a mounting part 16 mounted to a lift 8 held against the ceiling in such a way as to freely rise and fall; a lamp socket 13 for holding a lamp 14; a ballast box support part 23 by which a plurality of ballast boxes 21, 22, in which a lighting circuit including a ballast is stored while being split into plural parts, are supported while being placed on plural positions on its side face; and a reflector support part 29 which supports a reflector 30 placed below the mounting part 16. It is thus made possible for the ballast boxes 21, 22, the lamp 14, the reflector 30, etc., to be singly mounted to and removed from the ballast support device 12 independently of one another, so that when replacing or inspecting the ballast or the lighting circuit the ballast boxes 21, 22 can be easily removed from the ballast support device 12 without removal of the lamp 14 and the reflector 30.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ballast support device having a lamp socket and a reflector attached to a lower portion thereof, and a lifting lighting device using the ballast support device.

[0002]

2. Description of the Related Art Conventionally, an elevating device is fixedly provided on an upper part of a ceiling, and an elevating body suspended by the elevating device is provided with an assembly of a lamp socket for holding a lamp, a reflector and a ballast. There is a lift-type lighting device in which an assembly including the lifting body is lowered when replacing parts such as a lamp and a ballast and during maintenance, and raised when used.

A conventional example is shown in FIG. 7 below. Reference numeral 100 is a main body frame. An embedding frame 101 is fixed to the lower end of the main body frame 100. The body frame 100 is suspended and fixed by a suspending bolt 104 having an upper end fixed to a fixed surface 103 provided above the ceiling plate 102. The embedded frame 101 is fitted in an opening 105 formed in the ceiling plate 102. Although not shown, the lifting device 106 provided on the upper part of the main body frame 100 has a drum driven by a motor and a wire wound around the drum, and a lifting body fixed to the end of the wire. It is for raising and lowering 107. Protrusions 108 are formed on both sides of the elevating body 107, and the elevating body 1 is engaged by engaging these protrusions 108.
The locking claw 109 that locks 07 to the raised position is the main body frame 10.
It is rotatably provided on both sides of the upper part of 0. Then, a ballast box 111 is fixed to the lower surface of the lifting / lowering body 107 via a mounting bracket 110, and a reflector 113 having an accessory 112 at the bottom is attached to the lower surface of the ballast box 111. Although not shown, the ballast box 111 is provided with a ballast, a lighting circuit, and a lamp socket, and the lamp 114 holds the lamp 114 in the lamp socket.

[0004]

In such an elevator lighting device, in order to remove the ballast box 111 when replacing or maintaining the ballast or lighting circuit, the lamp must be removed from the ballast box 111 before the work. 114 and reflector 11
Since 3 must be removed, there is a problem that disassembly and assembly work take time.

SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a ballast support device capable of removing a ballast box without removing a lamp or a reflective umbrella, and an elevation lighting device using the ballast support device.

[0006]

A ballast support device according to claim 1, wherein the ballast support device is mounted on a lifting body which is vertically held on a ceiling; a lamp socket for holding a lamp; and a lighting including a ballast. A ballast box supporting portion for arranging and supporting a plurality of ballast boxes in which the circuit is divided and stored at a plurality of positions on the side surface; and a reflector for surrounding the lamp, which is arranged below the mounting portion. And a reflector supporting portion for supporting. Therefore, the ballast box, lamp, and reflector are
It is possible to attach / detach to / from the ballast support device independently of each other.

In the ballast support device according to the second aspect of the present invention, a mounting portion that is mounted on an elevation body that is vertically held on the ceiling; a lamp socket that holds a lamp; and a lighting circuit including a ballast is divided into a plurality of parts. A ballast box supporting portion for arranging and supporting a plurality of ballast boxes accommodated in a plurality of side surfaces; and a detachable connection to a circuit connector provided on the ballast box and connected to the lighting circuit. A lamp connector for connecting the lighting circuit and the lamp socket to a commercial power source; and a reflector supporting portion for arranging and supporting a reflector surrounding the lamp under the mounting portion.
Therefore, the ballast box, the lamp and the reflector can be independently attached to and detached from the ballast support device regardless of each other. Further, it becomes possible to easily connect the lamp socket and the lighting circuit to a commercial power source.

An elevator lighting device according to a third aspect of the present invention includes an elevator device fixed to an upper portion of a ceiling plate; an elevator device suspended by the elevator device so as to be vertically movable and passing through an opening formed in the ceiling plate. A body; a ballast supporting device having a lamp socket holding a lamp and having an upper portion fixed to a lower surface of the lifting body; a lighting circuit including the ballast, which is divided into a plurality of parts and accommodated therein; A plurality of ballast boxes supported at a plurality of sides of a supporting device; a reflector attached to a lower portion of the ballast supporting device to surround the lamp;
It has. Therefore, the ballast box, the lamp and the reflector can be independently attached to and detached from the ballast support device regardless of each other.

In this case, the reflector is not limited to the presence or absence of an accessory provided on the lower edge thereof.

According to a fourth aspect of the present invention, there is provided the elevational lighting device according to the third aspect, and the ceiling plate has an embedded frame which is inclined with respect to a horizontal plane and fitted into the opening. The lower edge of the embedding frame has a brim that extends along the lower surface of the ceiling plate with a radius that projects outside the lower peripheral edge of the reflector when the reflector is shaken to the maximum. Therefore,
Even when the reflective umbrella sways in the left-right direction when the lifting body is raised, the peripheral edge of the reflective umbrella does not get caught on the outer peripheral edge of the embedding frame, and the peripheral edge of the reflective umbrella slides on the lower surface of the collar toward the center of the embedding frame. It

According to a fifth aspect of the present invention, there is provided the elevating type illumination device according to the fourth aspect, and the brim of the embedding frame has a cross-sectional shape that curves so as to bulge downward. . Therefore, even when the reflecting umbrella sways in the left-right direction when the elevating body is raised, the peripheral edge is not caught on the outer peripheral edge of the embedding frame, and moreover, a smooth curved surface is formed on the brim of the embedding frame. The curved surface makes the peripheral edge of the reflective umbrella easy to slide toward the center of the embedding frame.

[0012]

FIG. 1 shows a first embodiment of the present invention.
And it demonstrates based on FIG. FIG. 1 is a vertical cross-sectional side view of a lifting / lowering illuminator, and FIG. 2 is an exploded perspective view showing a configuration excluding the lifting / lowering device. Reference numeral 1 is a body frame. An embedding frame 2 is fixed to the lower end of the main body frame 1. The body frame 1 is a ceiling plate 3
Is suspended and fixed by a suspending bolt 5 having an upper end fixed to a fixed surface 4 provided above. The embedded frame 2 is fitted into an opening 6 formed in the ceiling plate 3. Although not shown, the lifting device 7 provided on the upper part of the main body frame 1 has a drum driven by a motor and a wire wound around the drum, and a lifting body fixed to the end of the wire. 8 is moved up and down. Projections 9 are formed on both sides of the lifting body 8, and engaging claws 10 that lock the lifting body 8 in the raised position by engaging these projections 9 are rotatable on both upper sides of the main body frame 1. It is provided. And
The lifting device 7 is provided with a plurality of power supply terminals (not shown) connected to a commercial power source. It is held movably. In FIG. 2, 11a is a wire for suspending the lifting body 8 as described above.

A ballast support device 12 is attached to the lower surface of the lifting body 8. This ballast support device 1
2 includes a support frame 15 that holds the lamp socket 13 that holds the lamp 14, and a mounting portion 16 that is connected to the upper portion of the support frame 15 and is screwed to the lower surface of the elevating body 8. As shown in detail in FIG. 2, the support frame 15 and the mounting portion 16 are connected to each other by two guide pins 17 and a nut 18 screwed onto the upper portions of the guide pins 17 so as to be movable back and forth. That is, the guide pin 17 is slidably penetrated on both sides of the support frame 15 and the mounting portion 16, and the nut 18 is screwed onto the upper end thereof. A spring 19 is wound around the guide pin 17, and these springs 19 are supported by a head 20 formed at the lower end of the guide pin 17.

Ballast box support portions 23 for supporting the ballast boxes 21 and 22 are formed on both sides of the support frame 15. These ballast box support portions 23 are
Locking claw 2 that engages with a locking hole 24 formed on the side surface of 22
5 and screw holes 2 formed on the side surfaces of the ballast boxes 21 and 22.
6 and a mounting hole 28 through which a screw 27 screwed into 6 is inserted. In these ballast boxes 21 and 22, a ballast (not shown), a lighting circuit including a lighting tube, and the like are housed in a bisected state.

Further, a ring-shaped reflector head support portion 29 is welded to the lower end of the support frame 15, and the upper surface of the reflector head 30 is fixed to the reflector head support portion 29 by screws 31. As shown in FIG. 1, the reflector 30 has an accessory 32 for hiding the lamp 14 at the lower part. That is, the periphery of the accessory 32 is the ceiling plate 3
A plurality of L-shaped metal fittings 33 are welded to the lower surface of the metal fitting 33 in the vicinity of the inner periphery of the metal fittings 33, and metal fittings 34 are fixed to the metal fittings 33 by screws 35. The accessory 32 is supported by the peripheral edge of the reflector 30 via the metal fitting 34.

In order to lower the elevating body 8 with such a structure, first, the motor of the elevating device 7 is driven to unlock the lock, the wire is wound up by the drum, and the elevating body 8 is once raised to project. After releasing the locked state between the portion 9 and the locking claw 10 and rotating the locking claw 10 so that the tip end thereof is oriented in the horizontal direction, the drive of the motor is reversed to lift the lifting device 7
By loosening the wire, the assembly of the lifting body 8, the ballast support device 12, the ballast boxes 21 and 22, and the reflector 30 is lowered. At this time, since the locking claw 10 rotates downward, it does not hinder the lowering operation of the elevating body 8. And
When the assembly including the lifting body 8 is lowered to a predetermined position, component replacement and maintenance are performed.

In this case, the plurality of ballast boxes 21 and 22 are held on both sides of the ballast support device 12, and the reflector 30 is held below the ballast support device 12, so that the ballast and the lighting circuit are not connected. At the time of replacement or maintenance, the ballast boxes 21 and 22 can be removed without attaching and detaching the lamp 14 and the reflector 30 to and from the ballast support device 12. The above is the effect corresponding to the invention of claim 1.

In the process of raising the elevating body 8 while winding the wire of the elevating device 7, the ballast supporting device 12, the ballast boxes 21 and 22, and the reflector 30 are all lifted, and the accessory 32 is attached to the ceiling plate 3. When it comes into contact with, the reflector 30 and the support frame 15 do not rise further, but the mounting portion 16 rises while pulling up the guide pin 17, so that the spring 19 causes the upper surface of the support frame 15 and the head portion 20 of the guide pin 17.
And the accessory 32 is tightly fixed to the ceiling plate 3 by the pressure of the spring 19. The elevating body 8 continues to ascend together with the mounting portion 16, and in the course of this elevating process, the locking claw 10 rotates upward due to contact with the elevating body 8 and engages with the protrusion 9. That is, the lifting / lowering body 8 is locked at the desired raised position. In this state, the input terminal 11 of the lifting body 8 contacts the power supply terminal on the lifting device 7 side.

Since the two ballast boxes 21 and 22 are arranged symmetrically on both sides of the ballast support device 12,
By making the weights of the ballast boxes 21 and 22 substantially equal,
It is possible to increase stability when the elevating body 8 is moved up and down. Further, when the ballast box is divided into three or more and provided, the ballast support device 1 is provided even if there is a slight difference in weight.
It is possible to maintain the overall balance by changing the mounting position to 2.

Next, a second embodiment of the present invention will be described with reference to FIG.
It will be described based on. FIG. 3 is an exploded perspective view showing the configuration excluding the lifting device. The same parts as those described in the first embodiment are designated by the same reference numerals, and description thereof will be omitted (same below). In the present embodiment, the ballast support device 1
The ballast box 2 is provided on both sides of the mounting portion 16, which is one component of the ballast box 2.
A ballast box support 36 is formed to support 1, 22. In this case, the ballast box supporting portion 36 is an example in which the ballast boxes 21 and 22 are fixed by the screws 36a, but the present invention is not limited to this example, and the locking hole 24 and the locking claw 25 as in the previous example.
A configuration including and may be used. With the above configuration, the same effect as that of the first embodiment can be obtained.

Furthermore, FIG. 4 shows a third embodiment of the present invention.
It will be described based on. FIG. 4 is a side view showing a mounting relationship between the ballast support device and the ballast box with a part cut away. In the present embodiment, the circuit connector 37 connected to the lighting circuit including the ballast is fixedly provided inside the ballast boxes 21 and 22, and on both sides of the support frame 15 of the ballast support device 12,
A lamp connector 38 connected to the lamp socket 13 and the input terminal 11 of the lifting body 8 is provided. And
When the circuit connector 37 and the lamp connector 38 are connected, the lighting circuit including the ballast and the lamp socket 13 are connected to each other, and the lighting circuit and the lamp socket 13 are connected to the input terminal 11. ing. Since the input terminal 11 is connected to the power supply terminal of the lifting device 7 (connected to the commercial power supply), the electrical connection work can be extremely facilitated. The above is the effect corresponding to the invention of claim 3.

Further, in this example, ballast boxes 21 and 22 are provided.
Is supported only by engaging the locking hole 24 formed on the inner surface thereof with the locking claw 25 of the stabilizer support device 12,
By connecting the connectors 37 and 38 to each other, the relative positions of the ballast support device 12 and the ballast boxes 21 and 22 do not shift. As a result, as shown in FIG. 2, the locking hole 24 and the locking claw 25 do not have to be connected by the screw 27.
And can be maintained in the locked state.

Further, FIG. 5 shows a fourth embodiment of the present invention.
It will be described based on. FIG. 5 is a vertical cross-sectional side view showing the vertically movable lighting device in a reduced scale. In this embodiment, the ceiling plate 3 is inclined with respect to the horizontal plane. For this reason, a collar 40 is formed along the lower surface of the ceiling plate 3 at the lower edge of the opening surface of the embedding frame 39 fitted in the opening 6 of the ceiling plate 3. And
The length of the collar 40 in the radial direction is a length that protrudes outward from the lower peripheral edge of the reflector 30 (the peripheral edge of the accessory 32 of the reflector 30 in this example) when the reflector 30 shakes to the maximum. Stipulated in.

In such a structure, the lifting body 8 swings laterally when it rises, and the center of the reflector 30 is embedded in the embedding frame 3.
There may be a lateral shift from the center of 9. When the lifting / lowering body 8 shakes near the ceiling plate 3, the peripheral edge of the accessory 32 may be caught on the peripheral edge of the collar 40 of the embedding frame 39 in the conventional case, but in the present embodiment, the radial direction of the collar 40 is determined. Is long, the peripheral edge of the accessory 32 slides on the lower surface of the collar 40 and is guided toward the center of the embedding frame 39. As a result, the assembly including the lifting body 8 can be reliably set at a fixed position inside the main body frame 1. The above is the effect corresponding to the invention of claim 4.

Furthermore, FIG. 6 shows a fifth embodiment of the present invention.
It will be described based on. FIG. 6 is a vertical cross-sectional side view showing the vertically movable lighting device in a reduced scale. In the present embodiment, the embedding frame 39
The brim 40 of No. 2 was defined to have a sectional shape that curves so as to bulge downward. Other configurations are the same as the configurations shown in FIG. Therefore, since the collar 40 is curved, a smooth curved surface is formed on the lower surface thereof. Therefore, the peripheral edge of the accessory 32 is easily slipped on the curved surface toward the center of the embedding frame 39. As a result, the assembly including the lifting body 8 can be reliably set at a fixed position inside the main body frame 1. The above is the effect corresponding to the invention of claim 5.

[0026]

The invention according to claim 1 is as described above.
A ballast box supporting portion for supporting each of a plurality of ballast boxes is provided at a plurality of side surfaces of the ballast supporting device having a lamp socket, and a reflector umbrella supporting portion for supporting a reflector is provided below the ballast supporting device. Therefore, the ballast box, the lamp, and the reflector can be independently attached to and detached from the ballast support device independently of each other. This allows the ballast box to be easily removed from the ballast support device without removing the lamp or reflector when replacing or inspecting the ballast or lighting circuit.

According to a second aspect of the present invention, as described above, ballast box supporting portions for supporting a plurality of ballast boxes are provided at a plurality of side surfaces of the ballast supporting device having the lamp socket, and the ballast box supporting portion is provided. Since the reflector cover supporting the reflector is provided below the support device, the ballast box, the lamp and the reflector are
It can be independently attached to and detached from the ballast support device independently of each other. This allows the ballast box to be easily removed from the ballast support device without removing the lamp or reflector when replacing or inspecting the ballast or lighting circuit. Further, the ballast support device has a lamp connector that is connected to the lighting circuit and is detachably connected to the circuit connector provided on the ballast box to connect the lighting circuit and the lamp socket to a commercial power source. It becomes possible to easily connect the lamp socket and the lighting circuit to a commercial power source.

According to the third aspect of the present invention, as described above, the ballast box is supported at a plurality of positions on the side surface of the ballast support device having the lamp socket, and the reflector is supported at the lower part of the ballast support device. Therefore, the ballast box, the lamp, and the reflector can be independently attached to and detached from the ballast support device regardless of each other. This allows the ballast box to be easily removed from the ballast support device without removing the lamp or reflector when replacing or inspecting the ballast or lighting circuit.

According to a fourth aspect of the present invention, the ceiling plate has an embedded frame which is inclined with respect to the horizontal plane and fitted into the opening, and the reflective umbrella is maximized at the lower edge of the embedded frame. Since it has a brim that extends along the lower surface of the ceiling plate with a radius that projects outward than the lower peripheral edge of the reflector when shaken,
Even when the reflective umbrella sways in the left-right direction when the elevating body is raised, the peripheral edge of the reflective umbrella does not get caught on the outer peripheral edge of the embedding frame. I can guide you. Thus, the assembly including the lifting body can be reliably set at a fixed position within the opening of the ceiling plate.

According to the fifth aspect of the present invention, since the brim of the embedding frame has a cross-sectional shape that curves so as to bulge downward, the reflecting umbrella moves in the left-right direction when the elevating body rises. Even if it shakes, the peripheral edge does not get caught on the outer peripheral edge of the embedding frame, and a smooth curved surface is formed on the flange of the embedding frame, so that the curved surface directs the peripheral edge of the reflector to the center of the embedding frame. Can be made slippery. Thus, the assembly including the lifting body can be reliably set at a fixed position within the opening of the ceiling plate.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional side view of a lift-type lighting device showing a first embodiment of the present invention.

FIG. 2 is an exploded perspective view showing a configuration excluding a lifting device.

FIG. 3 shows a second embodiment of the present invention, and is an exploded perspective view showing a configuration excluding a lifting device.

FIG. 4 shows a third embodiment of the present invention and is a side view showing a mounting relationship between a ballast support device and a ballast box with a part cut away.

FIG. 5 is a vertical cross-sectional side view of a downsized illuminating device according to a fourth embodiment of the present invention.

FIG. 6 is a vertical cross-sectional side view of the lifting / lowering type illumination device according to the fifth embodiment of the present invention.

FIG. 7 is a vertical sectional side view showing a conventional example.

[Explanation of symbols]

 3: Ceiling board 6: Opening part 8: Lifting body 12: Ballast support device 13: Lamp socket 14: Lamp 16: Mounting part 21, 22: Ballast box 23: Ballast box support part 29: Reflector umbrella support part 30 : Reflective umbrella 36: Ballast support 37: Circuit connector 38: Lamp socket 39: Embedded frame 40: Tsuba

Claims (5)

[Claims] 1. A mounting portion which is mounted on a lifting body which is vertically held on a ceiling; a lamp socket which holds a lamp; and a plurality of ballast boxes in which a lighting circuit including a ballast is divided and stored. A ballast box support portion for arranging and supporting at a plurality of positions on a side surface; and a reflector umbrella support portion for arranging and supporting a reflector umbrella surrounding the lamp below the mounting portion. Ballast support device. 2. A mounting portion which is mounted on a lifting body which is vertically held on a ceiling; a lamp socket which holds a lamp; and a plurality of ballast boxes in which a lighting circuit including a ballast is divided and stored. A ballast box supporting portion that is arranged and supported at a plurality of positions on a side surface; and is connected to the lighting circuit and is detachably connected to a circuit connector provided on the ballast box, the lighting circuit and the lamp socket. And a lamp connector for connecting the lamp to a commercial power source; and a reflector supporting portion for arranging and supporting a reflector that surrounds the lamp below the mounting portion. 3. An elevating device fixed to the upper part of the ceiling plate;
An elevating body suspended by the elevating device so as to be able to move up and down and passing through an opening formed in the ceiling plate; a stable lamp having a lamp socket holding a lamp and having an upper portion fixed to a lower surface of the elevating body. A ballast support device; a plurality of ballast boxes that are divided into a plurality of lighting circuits including a ballast, and are supported at a plurality of side surfaces of the ballast support device.
An elevating lighting device, comprising: a reflector attached to a lower portion of the ballast support device and surrounding the lamp. 4. The ceiling plate has an embedding frame which is inclined with respect to a horizontal plane and fitted into the opening, and the lower edge of the embedding frame has:
4. The collar according to claim 3, further comprising a brim that extends along the lower surface of the ceiling plate with a radius that projects outward from the lower edge of the reflector when the reflector is shaken to the maximum. Lifting type lighting device. 5. The elevating lighting device according to claim 4, wherein the brim of the embedded frame has a cross-sectional shape that curves so as to bulge downward.