JPS59121702A - Discharge lamp unit - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a discharge lamp device in which a shell having a light bulb base is fitted to the bottom of the discharge lamp, and electrical components such as a ballast are housed inside the shell.

Recently, various discharge lamp devices of this type have begun to be put into practical use as a substitute for incandescent light bulbs. however.

Since this discharge lamp device is intended to replace an incandescent light bulb, the overall shape and dimensions of the device will be made similar to that of an incandescent light bulb. For this reason, a ballast,
Electrical parts such as a glow starter and a noise prevention capacitor had to be accommodated, and they had to be electrically connected17, making assembly difficult and a major hindrance to mass production. 1.The weight of those electrical parts,
In particular, because the ballast has a heavy M content, 1. If the fixed part between the discharge lamp and the shell, which is usually glued with phenol resin, becomes loose due to aging, etc., this may lead to an accident in which the discharge lamp and the ballast fall. In addition, since the discharge lamp and electrical components are placed close to each other, there are problems such as the glow starter malfunctioning or shortening the lifespan of other electrical components due to the heat from the discharge lamp. had.

This invention was made in view of the above-mentioned circumstances, especially the difficulty in assembling.Thorough studies have been made on the electrical connection means of electrical parts, and even if the part is formed into a shape equivalent to an incandescent light bulb, it will be easy to assemble. The object of the present invention is to provide a discharge lamp device that can improve the performance.

An embodiment of the present invention will be described below with reference to the drawings.

In the figure, (1) is a discharge lamp. This discharge lamp (1) has the following configuration. That is, in order to form a discharge space, the bottom of a spherical outer glass tube (2) with an open bottom is hermetically closed with a ceramic end plate (5) in the shape of nine discs, and a rare gas is placed inside. and a discharge medium consisting of mercury.

Four electrode lead wires made of conductive material, whose tips are led out to the outer tube (2), are shifted in a straight line in one direction from the center of the end plate (5), and then planted airtightly with adhesive. It is set up. Then, one electrode 0 is supported on each of the two electrode lead wires 0υ to form a pair of electrodes 04. Ushida (6) is an inner tube that regulates the discharge path of the discharge generated between the electrodes. This inner tube (6) is formed into a substantially U-shape by welding one ends of two straight glass tubes so that their insides are electrically conductive.

At the end of one leg (9), two semicircular discharge induction holes On are prepared at the ends of the two legs (9) + 81 (plane passing through 91 - F section), and this Two U-shaped glass tubes are placed close to each other with their discharge induction holes O1,
A part of the periphery of the discharge guide hole (1) is welded to form an integrated structure.The inner tube (6) has a leg (8) on the side that does not have the discharge guide hole. The end surface d of the electrode 0 is maintained on the end plate (5) surface with each of the pair of electrodes 0 contained therein to maintain an airtight state to the extent that no discharge short circuit occurs between it and at least the other electrode θ. It is fixed with adhesive (+41). In this state, the end surface of the leg (9) on the discharge guide hole U side is in contact with the end plate (5) surface. (The force is applied to the inner tube (6). With a phosphor layer deposited on the inner surface.

This phosphor layer (7) consists of approximately 32% trivalent eurobium-activated yttrium oxide phosphor (red band phosphor), trivalent terbium-activated lanthanum phosphate, and cerium phosphor (edge band phosphor).
It consists of a mixed phosphor of about 45%, divalent eurobium-activated strontium chlorophosphate, and about 23% barium phosphor (front band phosphor). (4) is a diffusion film made of acid zirconium coated on the inner surface of the outer tube (2), and 05 is a narrow exhaust tube airtightly fixed to the end plate (5), one end of which is attached to the outer tube (2). After the exhaust treatment of the outer tube (2) is completed, the outer side is melt-sealed. The material of this exhaust thin tube 09 is appropriately selected from glass or metal.

Next, aη is a shell fixed to the bottom of the discharge lamp (11) with an adhesive mainly made of phenol resin. This shell (Iη is made of polycarbonate resin, ) into which the neck part (3) is inserted, and a stepped part (C) on one end side of this cylinder part O1.
The first shell 08 has a rising part (A) whose diameter has been reduced through a single body, and the rising part (A) of this first shell
The secured part C engaged with the outer periphery of a)! η is provided on one end, and a 2B type cap (to) used for incandescent light bulbs is provided on the other end.
The first shell 08 and the second shell (A) constitute a series of outer shells. The outer periphery of the rising portion 4 of the first shell 0 barrel is dotted with a plurality of engaging portions Qυ consisting of four portions (c) that are inclined to become deeper toward the second shell (a) side, The engaged part (5) of the shell 2 of the first shell 08 is placed at a position corresponding to the engaging part Qυ of the first shell 08, and its retaining part 0
It forms a protrusion (C) that engages with 1). Furthermore, a stabilizer support part t241 for supporting a stabilizer (b) to be described later is integrally provided on the inside of the rising end of the first shell (1B).This stabilizer support part (24 is a protrusion (double) that is provided at a location corresponding to the corner of the ballast core (C) and has four parts (C) in the center that can accommodate the corner.

On the other hand again. Inside the second shell (E), when engaged with the first shell 08, there is a stabilizer support part Q4 that comes into contact with the coil part (to) of the stabilizer (341). A ballast holding piece I21 that works together to hold the ballast (b) and a ballast with a hook part 6 slightly smaller than the width of the ballast core (to) hanging down through a hinge part 61). The hanging part (7) is provided so as to protrude in one piece. 0 Xun is above 1
It is a ballast that is held between the shell 0 ladder of @1 and the second shell (c), and the electrode lead wire (+11 lead-out point of the discharge lamp (ll) Two ballast terminals (to) are protruding from the opposite side of the ballast (42 is the coil bobbin of 3a).
The holding part of the terminal plate (43, which will be described later) is planted in Two ballast iron cores (C) are formed on the opposite side between the ballast terminals, and at the tip there are V-shaped grooves (4) corresponding to the number of electric wires (1!1).
1) are formed independently from each other. (43 is on the second shell VQ side of the above ballast.
With the terminal board fixed by 42, the terminals (44) are aligned and planted on one end surface t11], and a temperature fuse (49) is attached to the ballast side, and the terminal board holding part (fixed to the other end) is installed. In the ballast state, it is in contact with the ballast coil (material) surface.The temperature fuse of the ballast is attached to the temperature fuse +4! A prevention capacitor (471) is attached, and these electrical components are electrically connected as appropriate and connected to a terminal (441). 6B is a heat radiation hole.

Next, assemble the discharge lamp device configured as shown in
explain about.

First, place the discharge lamp (1) with adhesive (131) applied to the opening part (3) so that the adhesive part (3) becomes・Put it down on the hook part (3), heat it in this state, and fix it on the 'Fil lamp (1) for 1 second.After this,
Separately, a ballast C (company) is formed. terminal board holding part (
In step 12), the terminal plate (4'3) with the electric component m is fixed, and the ballast C34 is placed on the ballast support part at+ of the first shell tle. Next, we glued the electrode leads of the discharge lamp (1) to form a prescribed lighting circuit! Complete one lighting circuit by electrically connecting the OD and the electric wire extended from the base 01 through the terminal board (near terminal (4A)). The electrode leads &!
By pushing and engaging the lamp from above, the standing operation of the discharge lamp device is completed.

In the discharge lamp device of the above embodiment having such a configuration,
The shell ant shell (divided into two pieces by intersecting with the fine details of 171), one shell (first shell O) is fixed to the discharge lamp (1), so the ballast C etc. Before inserting the electrical components into the shell OD, the first shell (
It is possible to perform the work of fixing l to the discharge lamp (11), and it is possible to suppress the deterioration of electrical parts due to heat during the fixing process. 4. Support the ballast ζ34 on the first shell 0 barrel, Furthermore, the glow starter (4
Since the terminal board (43) is supported, all the wiring work for the 9 lighting circuits is done on the terminal board (431 terminal (
44) with the central VC, and also with the second shell C)
Since it can be carried out before the cutting of step 6), the work space is wide and the cutting work is easy, and the length of the electrolyte connecting each electric component to be cut can be shortened. Furthermore, the ballast terminal (to) is the second
In the shell C4111+, the electrode lead wire 0υ of the discharge lamp (1) is disposed at t111 opposite to the lead-out point of the electrode lead wire 0υ.

Terminal board (4 terminals (141 is the position on the opposite side of the ballast terminal (to)).

That is, since the electrode lead wire (111) of the discharge lamp (1) is placed at position V on the same side, the electrode lead wire) '4.1
10 and the terminal (44) of the terminal board (411) can be made over the shortest distance, and short circuits between the ballast terminal C layer, the electrode lead wire (11), and ql can be prevented. Furthermore, the electrode lead 1fM
(11) and the terminal (44) of terminal board +43 are connected (43 wires).

Since it is separated and supported by the wire guide piece (11) which is formed between the ballast core C field, 11L
Contact between &r and ballast core 0! i) Avoid short circuits caused by contact with Since the coil hobbin ((7) of the ballast c34) and the coil hobbin ((7) of the ballast C34) are connected in series, there is no need to position the ballast C (4 o'clock) during one assembly. 4) is placed at a predetermined position 1H, it is automatically placed at a predetermined position.

Temperature fuse F45)? j: , terminal board (411,
The ballast Oa coil (7
), it is possible to reliably prevent the ballast coil from igniting. , that is, [i gold 0: l 11111 to black-starter (1
19. A noise prevention capacitor (471) is installed. Therefore, all the heat from the discharge lamp +11 and the ballast 01, which become high in temperature, is transferred.

The problem of short life due to malfunctions and deterioration caused by high temperatures (10) is solved.

The engagement between the second shell (2) and the first shell (field) is as follows.

By pushing the second shell (A) into the first shell O, the projections (C) of the second shell (A) elastically engage and lock into the four parts of the first shell (1B). The structure is such that the two divided shells (1υ, (A) are congruent.

It is strong against vertical forces as well as against torque applied when attaching and detaching the discharge lamp (1).

It has sufficient strength to resist. In this case, if adhesive is applied to the engaging parts of the two split shells (1 barrel, (A)), the holding strength will be even higher. is engaged with the first shell 0 barrel,
Discharge lamp i where the ballast lifting part (to) is the ballast iron core (g)
It will be in a state where it supports the ll side surface. For this reason.

Even if the first shell and second shell (A) are disengaged, the ballast 0 (is suspended) inside the second shell (A) screwed onto a fixed light bulb socket (not shown). Even if the discharge lamp 0 falls, the ballast will not fall.

In addition, in "-Record 4th Edition," a discharge lamp (1) in which a rare earth phosphor was used as the phosphor coated on the river tube (6) was explained, but the present invention is not limited to this. However, a known phosphor from Yuzu can be used according to the requirements of Yuzu.A layer of finely powdered alumina (
(not shown) can prevent the luminous efficiency of the phosphor layer (7) from decreasing due to the influence of sodium deposited on the surface of the glass of the inner tube (6).

It should be noted that the structure of the inner tube (6) of the discharge lamp (1) may be other than those of the above-mentioned embodiments. The material of the end plate (5) is other than ceramic.

You can choose from chrome steel, glass, etc. Furthermore, the end plate (5) may be directly welded and fixed to the outer tube (2) without using the adhesive 041.

Furthermore, when the outer tube (2) and the inner tube (6) are fixed to the end plate (5) with an adhesive (14), the adhesive (141 is
Adhesive 0 used for fixing shell 01 and outer tube (2)
Compared to 3.

By selecting a material with a high degree of fixation fIA, the shell 0'
It is possible to prevent the fixed parts of the inner tube (6) and outer tube (2) from becoming soft during the O fixing work, thereby preventing a solid layer failure.

(12) As described above/as described above, according to the present invention, there is provided a discharge lamp having an electrode lead wire led out from the bottom thereof, a cap at one end, and the other end surrounding the electrode lead wire at the bottom of the discharge lamp. A fixed shell, a ballast housed within the shell, and a ballast mounted on the ballast.

Multiple electrical wires connected to the above electrode lead wires.

Since it is provided with wire holding plates that hold the wires in a mutually insulated state, there is an advantage that the wiring work can be easily done by assembling two wires.

[Brief explanation of the drawing]

The figures all show embodiments of the present invention; FIG. 1 is an exploded perspective view partially cut away, FIG. 2 is a sectional view, and FIG. 3 is an exploded perspective view partially cut away of a discharge lamp. , FIG. 4 is a first oblique view showing the structure of the wire guide piece and the ballast bobbin, and FIG. 5 is a first view showing the remainder of the wire guide piece of another embodiment of the present invention. In the figure, (1) is a discharge lamp, (111 is a shell on the electrode lead wire 9 side, 04 is a ballast, and (40 is a wire guide piece.) In each figure, the same reference numerals indicate the same or corresponding parts. Agent Makoto Kuzuno - (13) Rate 3 Figure 4 Item 2 No. 5 Ou procedural amendment (method) 2. Name of the invention Discharge lamp device 3. Relationship with the person making the amendment Patent amount 1q ((Personal address) 2-2-3 Marunouchi, Chiyoda-ku, Tokyo Name (601,) Nisubishi Electric Co., Ltd. Representative Katayuni 8 Department 4, Agent 6 Subject of amendment (11 Application (2) Full text of specification (3) Drawings 7. Contents of the amendment (11 applications, full text of the specification, 1 drawing, attached)

Claims (3)

[Claims] (1) A discharge lamp with an electrode lead wire led out from the bottom, a shell having a base at one end and the other end fixed to the bottom of the discharge lamp so as to surround the electrode lead wire, and a shell housed in the shell. A discharge lamp device comprising: a ballast; and a wire guide piece provided on the ballast and holding a plurality of electric wires connected to the electrode lead wires in an insulated state from each other. (2) The discharge lamp device according to claim 1, wherein the wire guide piece is formed integrally with the ballast coil bobbin. (3) The discharge lamp device according to claim 1 or 2, wherein the electric wire guide piece has a V-shaped notch at the top that is a dovetail groove capable of gripping the electric wire.