JPS59158509A - Discharge lamp stabilizer - Google Patents

Abstract

PURPOSE:To realize simple wiring and automatic assembly by eliminating a crossover wire between coils in the assembly process. CONSTITUTION:A pair of terminals 26, 27 are provided to one outside edge of a bobbin 21 in which a winding of the primary coil 23 is wound and a lead wire 28 of the winding start and a lead wire 29 of the winding end are connected and fixed to them. A terminal 32 is provided to one side of a flange 30 of another outside edge and the terminal 32 and the terminal 27 to which the lead wire 29 of the winding end of the primary coil 23 is connected are connected by a connection wire 33 as a temporary wiring. The intermediate portion of the connection wire 33 is put on an insulation material lapped over the primary coil 23 and held by a tape 34. A terminal 38 is provided to one side of a bobbin 22 in which the winding of the secondary coil 35 and a lead wire 39 of the winding start is connected. On the other hand, a terminal 43, to whih a lead wire 42 of the winding end is connected and fixed, is provided and the lead wires 29, 42, which are wound over the two terminals 32, 43, and the connection wire 33 are connected and fixed by solder.

Description

[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to a ballast for a discharge lamp, and relates to wiring of a coil lead wire in a ballast in which a primary coil and a secondary coil are mounted on the same core. Regarding.

[Technical Background of the Invention] In general, a discharge lamp lighting circuit using a ballast connects a power source (2) to both ends of a primary coil (1), as shown in Figure 3, and connects one end of this secondary coil (1). Wiring is adopted in which one end is connected in series to the primary coil (11) and the other end is connected to the discharge lamp (4) K.

For this reason, in the conventional leakage transformer talking type ballast, for example, the spear 3
The lighting circuit shown in the figure has a structure that allows easy wiring and simplifies the work of connecting lead wires. This conventional ballast has a primary coil (8) and a secondary coil (9) with windings wound on a shaped bobbin (6) (both coils (8)
(I-type iron core 00 inserted through 91) and both coils (8
) (The E-type iron core 0υ (Ill) fitted on both sides of 91 constitutes the ballast main body, and the bobbin (6
) The winding start lead wire (14) and winding end lead wire α of the primary coil (8) are connected to a pair of terminals (1) 131 provided at one outer end of the primary coil (8).
The winding start wire α7) of the secondary coil (9) is connected and fixed to the terminal f16) provided at the other outer end of the bobbin (7) of the secondary coil (9). Next coil (9
) of the winding end drawer 5U81 of the primary coil (8).
6) at one outer end of the terminal (crossing 1J, N(1
9, a structure was adopted in which the wires were connected and fixed. In this structure, a lead wire for power connection is connected to the terminal (12α8) provided at one outer end of the bobbin (6) of the primary coil (8), and the winding start lead wire 0a of the primary coil (8) is
Terminal 1.21 connected to the secondary coil (9) bobbin (
Lamp sockets provided at both ends of the appliance are connected to the terminal ff6 connected to the outer end of the lamp 7).

[Problems with background technology]

The ballasts shown in Figure 1 and Figure 2 have simplified connections between the lead wires on the power supply side and the lead wires on the lamp socket side provided at both ends of the fixture, and the wiring is connected to the position of the ballast installed on the fixture and It matches the position with the socket and makes wiring easy, but the ballast assembly process requires wiring the end winding wire of the secondary coil (9) to the primary coil, making it difficult to automate the assembly. has become an obstacle.

In addition, in conventional ballasts, the winding end lead wire (
181 on the primary coil (8) requires an insulating material to protect the wiring on the upper insulating material of the primary coil (8), which has the disadvantage that it takes time and effort to insulate and protect the wiring. have.

[Purpose of the invention]

The present invention provides a ballast for a discharge lamp that simplifies wiring by eliminating crossover wires between coils in the ballast assembly process and enables automated assembly.

[Cross sucking of invention]

Primary coil one 4! A pair of terminals for connecting the winding start wire and the winding end wire of the primary coil are provided at one outer end of the bobbin on which the thread is wound, and one terminal is provided at the other outer end. Both ends of the connection wire are connected to the terminal and the terminal to which the winding end wire of the secondary coil is connected, and the secondary coil is connected to one outer end of the bobbin around which the winding of the secondary coil is wound. One terminal for connecting the winding start lead wire is provided, and a terminal for connecting the winding end lead wire of the secondary coil is provided at the other outer end, and the terminal is located between the other opposing outer ends of the pair of bobbins. The terminal connects the winding end wire of the secondary coil and the connecting wire, thereby eliminating the need for a connecting wire between the coils and simplifying the wiring.

[Embodiments of the invention]

The configuration of an embodiment of the present invention will be described with reference to FIGS. 11-4 to 7.

c! H21 is a molded bobbin, and as shown in Figure 6, the bobbin (2υ) on which the winding of one primary coil is wound is attached to the flange at one outer end (the terminal block part provided on the outer surface of the second coil). A pair of terminals (4) and (27) are provided, both terminals 126) C
2η is the primary coil (23) wound around the bobbin (21).
The winding start leader line track and the winding end leader line @ are connected and fixed. In addition, the terminal block portion 6υ protrudes from the outer surface of the other outer end flange.
A terminal 64 is provided on one side. Then, temporarily wire the connecting wire by winding it around this terminal (32) and the terminal (27) to which the winding end wire 4 of the primary coil (c) is connected, and connect the middle of this connecting wire 03 to the terminal (27) to which the winding end wire 4 of the primary coil (c) is connected. Wire it above the T-roll insulation and hold it with tape.

Next, a bobbin (221 is a terminal board part (371) provided on the outer surface of one outer end flange part (371) is provided with a terminal board part (371), and this terminal The winding start lead wire (39) of the secondary coil is connected to.

In addition, a terminal (43) for connecting and fixing the winding end lead wire (421) of the secondary coil 351 is provided in the center of the terminal block part (4I) protruding from the outer surface of the other outer end flange (4α) of this bobbin @. There is.

Next, the above-mentioned pair of bobbins (2υI22 are arranged side by side, 1, both bobbins + 21) (22) are penetrated through the engineered iron core (44), and the E-shaped iron core (45
1 (Insert 451 and install the leakage transformer talking type ballast body (47)
Configure. The spacing between the opposing flanges c3ol (4α) of both bobbins (2υ) is the E-type iron core (45i (451
The terminal C3a (43) between the two bobbins Cυ is held in position by the leakage leg (46), and in this state, the tips of the terminal C3a (43) are joined or overlapped.
Connect and fix the lead wire (29) α2 wound around 431 and connection -W with solder, and connect and fix both terminals C3a (43). N'4 is fitted and stored in the case decoy as shown in Figure 4, and covered with the upper cover (4!1) to form the stabilizer 5■.

To incorporate this ballast f5 (I) into the lighting circuit shown in Figure 3, fix the ballast 6 [to the approximate center of the device,
A terminal provided at one outer end of the coil (2) is connected and fixed to the power supply side lead wire, and this secondary coil (2J is wound to the primary coil ( 23) Connect the end of the winding wire 1291 and the connecting wire (33) to the common terminal - which is the common terminal connected to the lamp socket provided at one end of the appliance body using a lead wire, and wind the secondary coil east. Connect the terminal (support) attached to one of the flanges (■) of the bobbin with a lead wire to the lamp socket provided at the other end of the device.

In the above embodiment, four of the ballast bodies were of the leaky transformer type, but the ballast body is limited to the leaky transformer type.

In addition, in the above embodiment, the bobbin (2υ) for the primary coil track and the bobbin (2υ) for the secondary fill field were used with different numbers of terminals. ) bobbin (211) can also be used.

〔Effect of the invention〕

According to the present invention, the -order coil and the secondary coil or b tx
Terminals for fixing the lead wires of the coils were provided at both outer ends of each bobbin of the pair of coils, and the lead wires located between each bobbin of the pair of coils were connected and fixed with mutually opposite terminals. The ballast assembly process for discharge lamp ballasts that simplify the connection of lead wires and facilitate wiring for lighting fixtures in which the ballast is placed in the center of the fixture body and lamp sockets are placed at both ends. In addition, there is no need for a crossover wire between the two coils, which simplifies wiring and facilitates automation of assembly.

[Brief explanation of the drawing]

Figure 1 is a plan view of a conventional ballast for a discharge lamp, Figure 2 is a circuit diagram of the same as above, Figure 3 is a circuit diagram of a discharge lamp, and Figure 4 is a perspective view of a ballast showing an embodiment of the present invention. Fig. 5 is a plan view of the same as above.
Figure 6 is a perspective view of the bobbin of the above-mentioned and secondary coils, and Figure 7 is a circuit diagram of the same as above. C2H5ψ・molded bobbin, (c)...-next coil, (b) (5) SaW old...terminal, f28) f21 I39
[4ri...Leader line, □□□...Connection line, 3''iI...
Secondary coil, 07) and stabilizer body.

Claims (1)

[Claims] (1) A ballast body is constructed by attaching a pair of coils consisting of a primary coil and a secondary coil, each of which has a winding wound around a molded bobbin, to an iron core, and one of the bobbins around which the winding of the secondary coil is wound. A pair of terminals are provided at the outer ends of the primary coil to connect the winding start lead wire and the winding end lead wire of the primary coil, and one terminal is provided at the other outer end of the primary coil. Winding Ml) Connect both ends of the connection wire to the terminal connected to the lead wire, and connect the winding start lead wire of the secondary coil to one outer end of the bobbin around which the winding of the secondary coil is wound. One terminal is provided at the other outer end, and a terminal for connecting the winding end wire of the secondary coil is provided at the other outer end, and the terminal located between the other opposing outer ends of the pair of bobbins A ballast for a discharge lamp, characterized in that a winding end lead-out wire of a secondary coil and a connecting wire are connected.