JPH031761B2 - - Google Patents

Description

[Detailed description of the invention] [Purpose of the invention] (Industrial application field) FIELD OF THE INVENTION The present invention relates to a lighting fixture with a ballast.

(Prior art) Conventionally, in lighting equipment for fluorescent lamps,
For example, as shown in Japanese Patent Application Laid-Open No. 52-20681,
A wiring device having a glow socket, a switch, etc. is built into the chassis along with a ballast, and a terminal for connecting the ballast provided outside the wiring device is connected to a terminal of the ballast.

In this case, for a 2-lamp fixture, for example, for a 62W lamp, use 30W and 32W lamps, and for a 70W lamp, use a 30W and 32W lamp.
30W and 4-W lamps are used, and two ballasts are required to accommodate them; one ballast is for a small 30W lamp, and the other is a large ballast for a 32W or 40W lamp.

(Problem to be solved by the invention) In the above-mentioned lighting equipment, one of the ballasts is different depending on the model, and the terminal spacing is different, so the wiring equipment is also connected to the ballast according to the terminal spacing of each ballast. Each terminal is equipped with a terminal for use. Therefore, wiring devices must be prepared for different types of ballasts, which increases costs in terms of manufacturing and management, and is also prone to misuse.

The present invention has been made in consideration of the above-mentioned points, and allows a wiring device to be used in common with different types of ballasts with different terminal spacing, making manufacturing and management easier and cheaper, and preventing misuse. The purpose is to reliably prevent such incidents.

[Structure of the invention]

(Means for Solving the Problems) The present invention has a chassis and two ballasts attached to both sides of the chassis, and at least one of the ballasts is of a different type with different terminal spacing. a chassis assembly for selectively arranging the
A wiring device disposed between the two ballasts of the chassis assembly and connected to ballast connection terminals protruding from both sides of each terminal of the two ballasts, A plurality of sets of ballast connection terminals are cutably protruded from at least one of the ballast sides of the device at different intervals corresponding to the terminal intervals of the different types of ballasts, and the plurality of sets of ballast connection Either set of terminals is selected and connected to the corresponding terminal of the ballast.

(Function) In the present invention, when assembling, the wiring device is arranged between two ballasts in the chassis, and the ballast connection terminals on both sides are connected to the terminals of the ballast and fixed. .

At this time, if at least one of the ballasts is of a different type and has different terminal spacing, the corresponding ballast connection terminal is used to connect, and the other unused ballast connection terminals are disconnected.

(Example) Hereinafter, an example of the present invention will be described with reference to the drawings.

1 is a wiring device for fluorescent lamp equipment. This wiring device 1 includes a main body 2. This main body 2
has a rectangular substrate 3 integrally formed of insulating synthetic resin, and two cylindrical glow sockets 4 as wiring parts on the bottom surface of the substrate 3.
5. A cylindrical night light socket 6 and a cylindrical switch guide tube 7 are provided protrudingly, and a receiving part 8 is provided on the outside of these glow socket 4 and night light socket 6.
is provided. Furthermore, end walls 9 are protruded from both ends of the upper surface of the substrate 3, and a plurality of lead wire grooves 10 are formed in the end walls 9. Further, an upper extension portion 1 of the switch guide tube 7 is provided on the upper surface of the substrate 3.
1 is provided in a protruding manner, and a plurality of radial protrusions 12 are provided on the outer periphery of the proximal end of this upper extension portion 11 .
Further, a plurality of engaging portions 13 are cut out in the peripheral edge of the substrate 3, and a cut groove 14 for a cord is formed in the center of one side.

Further, the wiring device 1 includes a conductive plate 21. This conductive plate 21 is made of a thin conductive metal plate made of brass or the like and has a rectangular shape that is almost the same as that of the main body 2. A plurality of circuit-shaped conductive bands 2 are formed from the single plate.
2 are integrally punched and formed, and each conductive band 22
A plurality of lamp terminals 23 for two lamps are formed at both ends of the lamp.

Glow terminals 24 and 25 arranged in the two glow sockets 4 and 5 of the main body 2 on the conductive band 22
A night light terminal 26 disposed in the night light socket 6 of the main body 2 is bent downward, and the conductive band 22 has an annular shape fitted into the upper extension 11 of the switch guide tube 7 of the main body 2. common switch terminal 27 and this common switch terminal 2
A plurality of changeover switch terminals 28 around 7.
is provided. Further, a pair of ballast connection terminals 29 are protruded from one side of the conductive band 22 at a predetermined interval, and two pairs of ballasts with different intervals are provided from the other side of the conductive band 22. Connection terminal 3
0a and 30b are provided in a protruding manner. Furthermore, a thin cuttable connection part 20 is formed between each conductive band 22.

Further, the wiring device 1 is provided with a cover 31. This cover 31 is integrally formed of insulating synthetic resin and has a rectangular cover plate 32 corresponding to the substrate 3 of the main body 2.
A cylindrical portion 33 corresponding to the switch guide tube 7 of the main body 2 is protruded from the upper surface of the main body 2, and an opposing guide groove (not shown) is formed on the inner wall of the cylindrical portion 33.
Furthermore, engaging claws 34 corresponding to the engaging parts 13 of the main body 2 are provided on the edge of the cover plate 32 to protrude downward, and a cut groove 35 for a cord is formed in the center of one side. A serrated engagement surface 36 is formed on the inner surface of the cut groove 35.

Then, the conductive plate 21 is placed on the top surface of the substrate 3 of the main body 2.
Place. Then, the common switch terminal 27 is fitted to the outer periphery of the upper extension part 11 of the switch guide tube 7, and each changeover switch terminal 28 is positioned between each protrusion 12, and the glow sockets 4, 5 of the main body 2 and the night light are fitted. Glow terminal 2 in socket 6
4, 25 and the night light terminal 26 are inserted and arranged.

In this state, install the switch mechanism. That is, the coil spring 41 on the outer periphery of the upper extension part 11 of the switch guide tube 7 is fitted, and the annular contact 44 having a pair of contact pieces 42 and a pair of upward engaging pieces 43 on the outer side is fitted. do. On the other hand, an operating body 46 is formed in the form of an elongated plate with engagement protrusions 45 protruding from both sides of the upper end and a twisted upper part.
A coil spring 47 is fitted into the operating body 46, and a rotating element 49 having a serrated engagement surface 48 on the lower surface that engages with the upwardly directed engagement piece 43 of the contactor 44 is attached to the center of the rotating element 49. The coil spring 4 is fitted into the coil spring 4 through a shaft hole of
7 and the lower part of the operating body 46 having the rotator 49 are inserted into the switch guide cylinder 7.

Further, a plurality of lamp lead wires 52 are respectively connected to a pair of lamp sockets 51, and the core wire of each lamp lead wire 52 is connected to each lamp terminal 23 of the conductive plate 21 by spot welding, soldering, etc. The middle of the lead wire 52 is press-fitted into the lead wire groove 10 of the main body 2 and is engaged.

Next, the cover 31 is placed on the main body 2. Then, the operating body 46 is inserted into the cylindrical portion 33, and the engaging protrusions 45 on both sides of the upper end of the operating body 46 are engaged with the guide grooves on both sides within the cylindrical portion 33, thereby forming the pull switch 53. do.

Then, the cover 31 is pressed, each engaging claw 34 is engaged with each engaging part 13 of the main body 2, and the cover 31 is attached to the main body 2 with the conductive band 22 sandwiched between them. Each circuit network is formed by cutting the thin connecting portions 20 between the two. In this way, the wiring device 1 as a unit is constructed.

In addition, when the pull switch 53 is pulled by the pull string connected to the lower end of the operating body 46, the operating body 46 descends with its engaging protrusion 45 engaged with the guide groove of the cover 31, and accordingly, the rotation occurs. The mover 49 rotates in accordance with the twist of the operating body 46, engages its engagement surface 48 with the upwardly directed engagement piece 43 of the contactor 44, rotates the contactor 44, and connects the pair of contact pieces. 42 is brought into switching contact with the changeover switch terminal 28 of the conductive band 22, and when the tension on the pull string is released, the operating body 46 returns upward due to the return force of the spring 47, and
Only the rotator 49 is rotated back to a predetermined angle.

Reference numeral 61 denotes a chassis integrally formed from a metal plate, and a flange 6 is provided on the outer periphery of the lower end of the chassis 61.
2 is formed by bending. And Shashi 61
Two ballasts 63 of different sizes on both sides of the
64 is fixed thereto, and each of the ballasts 63, 64 has a pair of terminals 65, 66 on its inner lower surface.

Reference numeral 71 denotes a chassis cover which is integrally formed of a metal plate and is also used as a reflector.This chassis cover 71 has a flange 72 bent at the outer circumference of the upper end, which corresponds to the flange 62 of the chassis 61, and both sides of this flange 72 A pair of recesses 73 for leading out lead wires are formed in the portion. In addition, socket holes 74, 75, 76 corresponding to the pair of glow sockets 4, 5 and night light socket 6 of the wiring device 1 are bored in the lower surface of the chassis cover 71, and the switch guide tube 7 is provided in the center part.
A switch hole 77 corresponding to the switch hole 77 is bored.

Then, when assembling, the wiring device 1 is arranged between the two ballasts 63 and 64 in the chassis assembly, that is, the chassis 61, and the ballast connecting terminal 29 on one side is connected to the other side. Terminal 65 of the small ballast 63 of
, the ballast connection terminal 30a or 30b on the other side
is connected and fixed by soldering to the terminal 66 of the large ballast 64 on the other side, and the wiring device 1 is connected and arranged under the ballasts 63 and 64. Next, Shashi 61
A chassis cover 71 is provided oppositely to the lower part of the lamp socket 4 and the night light socket 6 to protrude from the lower socket holes 74 and 76, and the lamp lead wire 52 of the lamp socket 51 is connected to the chassis 6.
The flanges 62 and 72 of the chassis 61 and the chassis cover 71 are arranged opposite each other and fixed with screws, etc., and each receiving part 8 of the wiring device is moved from the inner surface of the chassis cover 71. Press and support.

In addition, the middle of the power cord 81 introduced from the upper center of the chassis 61 and connected to the wiring device 1 is inserted into the grooves 14 and 35 on one side of the main body 2 and the cover 31 of the wiring device 1, and the inside surface The power cord 81 is held so as not to touch the surfaces of the high-temperature ballasts 63 and 64.

Although not shown, glow lamps are attached to the glow sockets 4 and 5, a night light is attached to the night light socket 6, and the lamp socket 51 is connected to the terminal portion of the fluorescent lamp attached to the chassis 61.

When installing the wiring device 1 as described above, if there are two types of lighting devices, 62W and 70W, for example, the ballast connection terminals 30a and 30b are selected and connected.

In other words, when the power is 62W, the ballast 63 on one side is
The ballast 64 on the other side is for 30W, and the ballast 64 on the other side is for 32W, but the pair of ballast connection terminals 29 on one side of the wiring device 1 are connected to the terminals 65 of the ballast 63 on one side, and the ballast 64 on the other side is connected to the terminal 65 of the ballast 63 on the other side. Connect the ballast connection terminal 30a of the ballast to the terminal 66 of the ballast 64 on the other side.

Also, in the case of 70W, the ballast 63 on one side is for 30W, and the ballast 64 on the other side is for 40W, so connect the pair of ballast connection terminals 29 on one side of the wiring device 1 in the same way. is connected to the terminal 65 of the ballast 63 on one side, and the other pair of ballast connection terminals 30 on the other side.
b to the terminal 66 of the ballast 64 on the other side.

In this way, when the ballasts 64 are of different types such as 32W and 40W and their terminal 66 spacing is different, the corresponding ballast connection terminals 30a and 30b correspond to the terminal 33 spacing of the different types of ballasts 64, respectively. By providing a plurality of sets at different intervals, the wiring device 1 can be shared.

Then, the unused ballast connection terminal 30a or 30b is cut off during the assembly process of the device.
By doing so, misuse can be reliably prevented.

〔Effect of the invention〕

According to the present invention, when selecting and installing at least one ballast from among different types in a fixture for two lamps, for the different types of ballasts with different terminal spacing, the ballasts corresponding to these terminals are installed. By selecting and connecting connection terminals, it is possible to share wiring equipment for different types of ballasts, making manufacturing and management easier and cheaper, as well as cutting and removing unused ballast connection terminals. By doing so,
Such use can be reliably prevented.

[Brief explanation of drawings]

The figures show one embodiment of the present invention, in which Fig. 1 is a partially cutaway side view of a lighting fixture, Fig. 2 is an exploded perspective view thereof, and Fig. 3 is an exploded perspective view of a wiring device.
FIG. 4 is a plan view of a portion of the installed state. 1... Wiring equipment, 29, 30a, 30b... Stabilizer connection terminal, 61... Chassis, 63, 64
... Ballast, 65, 66...terminal.

Claims (1)

[Scope of Claims] 1. A chassis comprising a chassis and two ballasts attached to both sides of the chassis, and in which at least one of the ballasts has different types of ballasts with different terminal spacings selectively disposed. The assembly is connected to the ballast connecting terminals which are disposed between the two ballasts of this chassis assembly and which protrude from both sides of each terminal of the two ballasts to connect the wiring equipment. A plurality of sets of ballast connection terminals are cutably protruded from the at least one ballast side of the wiring device at different intervals corresponding to the terminal intervals of the different types of ballasts, and A lighting device characterized in that any one of the sets of ballast connection terminals is selected and connected to the corresponding ballast terminal.