JP2008235215A - Fluorescent lamp, socket, and luminaire - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fluorescent lamp, a socket and a luminaire in which wiring is made shorter and the number of components is reduced and a cost is lowered and which can be fixed and removed easily. <P>SOLUTION: A plurality of straight light emitting tube members 11 are arranged in parallel and each of end portions are connected to form a light emitting tube 12 with a length of curved discharging passage 14, which is supported by a mouthpiece 20 provided at a central portion in its longitudinal direction and is connected electrically, and the wiring in the luminaire can be shortened and a cost reduction can be materialized. Moreover, since the mouthpiece 20 is positioned at the central portion in its longitudinal direction, the fluorescent lamp 10 can be fixed and removed easily. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a fluorescent lamp, a socket, and a lighting fixture.

As shown in FIG. 13A, a conventional fluorescent lamp 100 includes four glass tube portions 101 that are light emitting portions and a resin cap portion 102. Each glass tube portion 101 rises upward from the base portion 102 (downward in FIG. 13A), and then extends in parallel in the opposite direction in the horizontal direction two by two, and is arranged linearly. Each of the two glass tube portions 101 is provided with a communication portion 103 in the vicinity of the tip portion and is connected to each other. As shown in FIG. 13B, four pins 104 project upward from the base portion 102 (see, for example, Patent Document 1).
Japanese Utility Model Publication No. 3-16657 (FIGS. 1 and 3)

  By the way, in the conventional straight tube type fluorescent lamp, since the cap portions are provided at both ends, the in-apparatus wiring of at least the same length as that of the fluorescent lamp is necessary, and the wiring becomes long and cumbersome. There was a problem of inviting up. Further, since the fluorescent lamp is attached at the base, there is a problem that it becomes difficult to attach and detach the fluorescent lamp when the fluorescent lamp becomes long. In addition, in the case of an annular fluorescent lamp, there is a problem in that a part for supporting the fluorescent lamp is required in addition to the base part, the number of parts increases, resulting in an increase in cost and an undesirable appearance.

  The present invention has been made in order to solve the conventional problems, and it is possible to reduce the cost by shortening the wiring in the apparatus and the number of parts, and to provide a fluorescent lamp, a socket and a lighting apparatus that can be easily attached and detached. The purpose is to provide.

  In the fluorescent lamp of the present invention, a plurality of arc tube members formed in a straight tube shape are arranged in parallel to each other, and the discharge is continuous and bent by connecting ends of the arc tube members. An arc tube in which a path is formed and a base part that covers both ends of the arc tube are provided, and the base part is arranged at a central portion in the longitudinal direction of the arc tube.

  With this configuration, a light emitting tube having a bent discharge path length formed by arranging a plurality of straight tubular arc tube members in parallel and connecting ends thereof is supported by a base provided in the center in the longitudinal direction. In addition, since the electrical connection is made, the in-apparatus wiring can be shortened to reduce the cost. Moreover, since the base part is in the center part in the longitudinal direction, the fluorescent lamp can be easily attached and detached.

  In addition, the fluorescent lamp of the present invention has a configuration in which lamp pins protruding from the base portion are provided along a direction intersecting the arrangement direction of the arc tube members.

  With this configuration, since the lamp pins are provided in a direction intersecting with the surface in the arrangement direction of the arc tube members, it is easy to distribute light in a direction orthogonal to the instrument installation direction. Moreover, a lighting fixture can be made thin. The lamp pin can be provided so as to protrude from one surface parallel to the surface of the base portion in the arrangement direction of the arc tube members, but can also be provided so as to protrude from both parallel surfaces of the base portion in both directions. is there.

  In addition, the fluorescent lamp of the present invention has a configuration in which lamp pins protruding from the base portion are provided along the arrangement direction of the arc tube members.

  With this configuration, since the lamp pins are provided so as to protrude in the arrangement direction of the arc tube members, a large amount of light can be distributed in both directions with respect to the plane in the arrangement direction of the arc tube members. The lamp pin can be provided so as to protrude from one surface orthogonal to the surface of the base portion in the arrangement direction of the arc tube members, but it can also be provided so as to protrude in both directions from two parallel surfaces of the base portion. is there.

  Further, the base portion has a configuration constituted by two members that sandwich the arc tube from a direction orthogonal to the direction in which the arc tube members are arranged.

  With this configuration, since the base part is attached with the arc tube sandwiched from both sides, the base part can be easily attached.

  The socket of the present invention has a structure having a holding member that holds the base portion of the fluorescent lamp described above and a receiving portion to which a lamp pin provided on the base portion can be connected.

  With this configuration, the socket has a holding member that holds the base portion of the fluorescent lamp and a receiving portion that connects the lamp pin of the fluorescent lamp, so that the fluorescent lamp is attached to the socket and held by the holding member. The lamp pin can be connected to the receiving part.

  Moreover, the socket of this invention has the structure by which the lighting circuit is accommodated in the socket main body of the said socket.

  With this configuration, since the lighting circuit is accommodated in the socket body, the lighting fixture can be reduced in size.

  Moreover, the socket of this invention has the structure by which the power supply connection part is provided in the said socket main body.

  With this configuration, since the power source connection portion is provided in the socket body, the lighting fixture can be reduced in size.

  Further, the socket of the present invention has a configuration in which the power supply connecting portion is a lighting plug.

  With this configuration, since the power supply connecting portion is a lighting plug, it can be movably connected by being attached to the lighting duct.

  Moreover, the socket of this invention has the structure by which the said power supply connection part is a hook ceiling.

  With this configuration, since the power supply connecting portion is hooked ceiling, it can be easily attached to the socket.

  The socket of the present invention has a configuration in which a plurality of the receiving portions are provided.

  With this configuration, since the socket is provided with a plurality of receiving parts, a plurality of fluorescent lamps can be lit with a single socket.

  Moreover, the lighting fixture of this invention has the structure using one of the fluorescent lamps mentioned above and one of the sockets mentioned above.

  With this configuration, it is possible to shorten the in-apparatus wiring and reduce the cost. Further, by attaching the fluorescent lamp to the socket and holding it with the holding member, the lamp pin can be connected to the metal receiving part, so that the fluorescent lamp can be easily attached and detached.

  The present invention supports an arc tube having a length of a bent discharge path formed by arranging a plurality of straight tube arc tube members in parallel and connecting ends to each other by a base portion provided in a central portion in the longitudinal direction. In addition, since the electrical connection is made, the in-apparatus wiring can be shortened to reduce the cost. In addition, since the base portion is in the central portion in the longitudinal direction, it is possible to provide a fluorescent lamp, a socket, and a lighting fixture having an effect that the fluorescent lamp can be easily attached and detached.

Hereinafter, embodiments of a fluorescent lamp, a socket, and a lighting fixture according to the present invention will be described with reference to the drawings.
1A is a perspective view of a fluorescent lamp, FIG. 1B is an exploded perspective view of a cap portion, FIG. 2 is a cross-sectional view taken along the line II-II in FIG. 1A, and FIG. 3A is a fluorescent lamp. 3B is a cross-sectional view taken along the line BB in FIG. 3A, and FIG. 4A is a perspective view of the fluorescent lamp when the lamp pins protrude in one direction of the arc tube members. 4 (B) is a cross-sectional view showing the state of attachment to the socket, FIG. 5 (A) is a perspective view of the fluorescent lamp when the lamp pins protrude in both directions of the arc tube members, and FIG. FIG. 6 is an exploded perspective view of the socket, FIG. 7 is a perspective view of the fluorescent lamp attached to the socket, FIG. 8 is an exploded perspective view of FIG. 7, and FIG. Is a perspective view of a socket having a lighting plug, and FIG. 9B is an oblique view showing a state of being attached to a lighting duct. FIG. 10 (A) is a perspective view of a socket having a hook ceiling, FIG. 10 (B) is a perspective view showing a state of being attached to the hook ceiling body, and FIG. 11 is a state of attaching a plurality of fluorescent lamps to the socket. FIG. 12A is a perspective view of a lighting fixture, and FIG. 12B is an exploded perspective view.

  As shown in FIG. 1A, in the fluorescent lamp 10A, a plurality of arc tube members 11 formed in a straight tube shape are arranged in parallel to each other, and ends of the arc tube members 11 are connected to a bridge portion 13 as shown in FIG. The arc tube 12 is formed with a discharge path 14 that is continuous and bent by being connected to each other, and a base portion 20 that covers both ends of the arc tube 12. As shown in FIG. 2, the lower arc tube member 11a in FIG. 2 has ends connected to each other at the base portion 20, and the length of each arc tube member 11a is about half the total length of the fluorescent lamp 10A. is there. On the other hand, the upper arc tube member 11b in FIG. 2 passes through the base portion 20, and the length of the arc tube member 11b is substantially equal to the entire length of the fluorescent lamp 10A.

  As shown in FIG. 1A, the base portion 20 is disposed at the center in the longitudinal direction of the arc tube 12. In the base portion 20, lamp pins 21 are provided along a direction (vertical direction in FIG. 1A) that intersects the direction in which the arc tube members 11 are arranged (the direction of arrow A in FIG. 1A). It has been. As shown in FIG. 2, the filament 22 is provided at the end of the arc tube member 11a, and both ends of the filament 22 are connected to the lamp pin 21 via the lead-in wire 22a.

As shown in FIG. 1B, the base portion 20 is composed of two members that sandwich the arc tube 12 from a direction (vertical direction) orthogonal to the direction in which the arc tube members 11 are arranged. That is, the base portion 20 is divided into a first member 20 a provided with a lamp pin 21 and in contact with the upper surface of the arc tube 12, and a second member 20 b in contact with the lower surface of the arc tube 12. Fix it with a pinch. The first member 20a and the second member 20b are fixed with an adhesive or screws with the arc tube 12 in between.
Thereby, the nozzle | cap | die part 20 can be attached easily. A holding groove 23 for holding the fluorescent lamp 10A is recessed along the longitudinal direction of the fluorescent lamp 10A on the outer surface of the joint portion between the first member 20a and the second member 20b of the base portion 20. ing.

3A and 3B show a fluorescent lamp 10B in the case where the arc tube members 11 are arranged in four rows. In addition, the same code | symbol is attached | subjected to the site | part which is common in 10 A of fluorescent lamps mentioned above, and the overlapping description is abbreviate | omitted.
In this fluorescent lamp 10B, the fluorescent lamp 10A described above is arranged with respect to the center line of the base portion 20, and one adjacent end portion is continuous by a bridge portion 13a. Accordingly, one discharge path 14 is continuous, and filaments 22 are provided at both ends thereof.

In the fluorescent lamp 10C shown in FIG. 4A, the lamp pins 21 projecting from the base portion 20 are arranged in one direction (upward) along the arrangement direction of the arc tube members 11 (vertical direction in FIG. 4A). Is provided. Therefore, in the base part 20, the holding groove 23 is formed at the center in the arrangement direction of the arc tube members 11.
As a result, as shown in FIG. 4B, when mounted on the socket 30, the arc tube members 11 are arranged so as to protrude from the socket 30 in the array direction. A large amount of light can be distributed in both the left and right directions with respect to the surface.

Further, in the fluorescent lamp 10D shown in FIG. 5A, the lamp pins 21 projecting from the base portion 20 are provided so as to project both along the arrangement direction of the arc tube members 11 (the left-right direction in FIG. 4A). It has been.
Therefore, as shown in FIG. 4 (B), when mounted on the socket 30, the fluorescent lamp 10D is supported by the left and right lamp pins 21, so that a holding groove is formed in the base portion 20. Absent.
Thereby, thickness of fluorescent lamp 10D and socket 30 can be made thin.

As shown in FIG. 6, the socket 30 has a rectangular box-shaped socket main body 31 with an open top surface, a cover 32 that covers the opening of the socket main body 31, and a lamp holding spring 33 that is a holding member for holding the fluorescent lamp 10 </ b> A. have. A concave portion 31 a into which the lamp holding spring 33 is fitted is provided on the side surface of the socket body 31, and a concave portion 32 a into which the lamp holding spring 33 is fitted is also provided on the upper surface of the cover 32. The lamp holding spring 33 is U-shaped as a whole, and a locking projection that locks the holding groove 23 provided in the base 20 of the fluorescent lamp 10A near the lower ends of the two legs 33a. 33b is provided. The lamp holding spring 33 is urged in the direction in which the opposing locking projections 33b and 33b approach.
Accordingly, the lamp holding spring 33 is fitted into the recess 31a of the socket body 31 and is fitted into the recess 32a of the cover 32, so that the fluorescent lamp 33 is covered with the cover 32 covering the opening of the socket body 31. Will hold.

  A lighting circuit 34 for lighting the fluorescent lamp 10 </ b> A is provided inside the socket body 31, and an output line 34 a is a lamp pin of a metal receiving part 35 (see FIG. 8) provided on the bottom surface of the socket body 31. It is connected to the insertion hole 35a. In addition, a connection terminal portion 36 is provided inside the socket body 31, and the power supply terminal 36 a and the feed terminal 36 b can be connected to the outside through two openings 31 b and 31 c provided on the side surface of the socket body 31. It has become. In addition, the connection terminal part 36 is connected to the lighting circuit 34 by the electric wire 37, and supplies electric power. A power line 38 is connected to the power terminal 36a, and a feed line 39 is connected to the feed terminal 36b (see FIG. 8).

  7 and 8 show a state in which the fluorescent lamp 10A described above is attached to the socket 30. FIG. As shown in FIG. 8, the lamp pin 21 protruding upward from the base portion 20 of the fluorescent lamp 10A is inserted into the lamp pin insertion hole 35a of the metal receiving portion 35 provided on the bottom surface of the socket 30, and the fluorescent lamp 10A. Is electrically connected to the lighting circuit 34. The fluorescent lamp 10A is fitted into the holding groove 23 provided in the base portion 20 of the fluorescent lamp 10A by fitting the engaging protrusion 33b at the tip of the lamp holding spring 33 attached to the socket 30. It will be held in the socket 30.

  FIG. 9A shows a socket 30 provided with a lighting plug 40 as a power supply connection portion on the upper surface. The lighting plug 40 is movable along a lighting duct 41 as shown in FIG. The lighting plug 40 is provided with two metal plate-like terminals 40a and 40a protruding in a direction orthogonal to the moving direction, and is connected to the lighting circuit 34 (see FIG. 6) inside the socket 30. ing. On the other hand, the lighting duct 41 is a rectangular columnar member having a part of the lower surface opened, and is attached along, for example, a ceiling surface or a wall surface. Inside the lighting duct 41, a pair of left and right terminal receiving portions 41a are provided along the longitudinal direction. The terminal receiving portions 41a are connected to a power source and supplied with electric power. Accordingly, by inserting the terminal 40a of the lighting plug 40 attached to the socket 30 into the terminal receiving portion 41 of the lighting duct 41, the socket 30 can be movably attached to the lighting duct 41 and connected to the power source. it can.

  FIG. 10 (A) shows the socket 30 provided with a hook ceiling 42 as a power supply connecting portion on the upper surface. The front end of the hook ceiling 42 is bent in an L shape to form a hook portion 42a. The lower end of the hook ceiling 42 is connected to the lighting circuit 34 (see FIG. 6) inside the socket 30. As shown in FIG. 10 (B), the hooking portion 42a is hooked by inserting the hook ceiling 42 of the socket 30 into the hook hole 43a of the hook ceiling body 43 attached to the ceiling surface and rotating it, for example. The socket 30 can be hooked and attached to the sealing body 43 and electrically connected. For this reason, the socket 30 can be easily hooked and attached to the sealing body 43.

  As shown in FIG. 11, the socket 30 </ b> B has a plurality of receiving portions 35 (see FIG. 8) and a plurality of lighting circuits 34 (see FIG. 6) inside the socket body 31. Yes. Therefore, a plurality (four in this case) of fluorescent lamps 10 can be attached, and a plurality of fluorescent lamps 10 can be lit by a single socket 30B.

FIG. 12 shows a lighting fixture 50 using the fluorescent lamp 10A and the socket 30 described above. In addition, the same code | symbol is attached | subjected to the site | part which is already common in the site | part already mentioned above, and the overlapping description is abbreviate | omitted.
In this luminaire 50, a reflector 51 is attached to the lower surface of a socket 30 with screws 52. A notch 51 a is provided at the center of the reflector 51, and the lamp pin 21 of the fluorescent lamp 10 A can be inserted into the lamp pin insertion hole 35 a of the metal receiving part 35 of the socket 30 with the reflector 51 attached. ing.

  As described above, according to the fluorescent lamp, the socket, and the lighting fixture of the present invention described above, the length of the bent discharge path 14 formed by arranging a plurality of straight tubular arc tube members 11 in parallel and connecting ends thereof. Since the arc tube 12 is supported and electrically connected by the base 20 provided at the center in the longitudinal direction, the in-apparatus wiring can be shortened and the cost can be reduced. Moreover, since the base part 20 is in the central part in the longitudinal direction, the fluorescent lamp 10 can be easily attached and detached.

Further, when the lamp pins 21 are provided in a direction intersecting with the surface of the arc tube members 11 in the arrangement direction, it is easy to distribute light in a direction orthogonal to the instrument installation direction. Moreover, the lighting fixture 50 can be made thin.
Moreover, since the lighting circuit 34 is accommodated in the socket main body 31, the lighting fixture 50 can be reduced in size. Moreover, since the power supply terminal 36a is provided in the socket main body 31, the lighting fixture 50 can be reduced in size.

  In addition, the fluorescent lamp, the socket, and the lighting fixture of the present invention are not limited to the above-described embodiments, and appropriate modifications and improvements can be made.

  As described above, the fluorescent lamp, the socket, and the lighting fixture according to the present invention emit light having a length of a bent discharge path formed by arranging a plurality of straight tubular arc tube members in parallel and connecting ends. Since the tube is supported and electrically connected by a base portion provided at the central portion in the longitudinal direction, the in-instrument wiring can be shortened and the cost can be reduced. In addition, since the base portion is in the center in the longitudinal direction, the fluorescent lamp can be easily attached and detached, and is useful as a fluorescent lamp, a socket, a lighting fixture, and the like.

(A) is a perspective view of a fluorescent lamp, (B) is an exploded perspective view of a cap part. Sectional view taken along the line II-II in FIG. (A) is a perspective view of a fluorescent lamp, (B) is a cross-sectional view at the position BB in FIG. 3 (A). (A) is a perspective view of a fluorescent lamp when a lamp pin protrudes to one side in the arrangement direction of the arc tube members, (B) is a cross-sectional view showing a state of attachment to a socket (A) is a perspective view of a fluorescent lamp when a lamp pin protrudes in both directions of the arrangement of arc tube members, and (B) is a cross-sectional view showing a state of attachment to a socket Disassembled perspective view of socket The perspective view which shows the state which attached the fluorescent lamp to the socket 7 is an exploded perspective view of FIG. (A) is a perspective view of a socket having a lighting plug, (B) is a perspective view showing a state attached to a lighting duct, (A) is a perspective view of a socket having a hook ceiling, (B) is a perspective view showing a state attached to a hook ceiling body. The perspective view which shows the state which attached the several fluorescent lamp to the socket (A) is a perspective view of a lighting fixture, (B) is an exploded perspective view. (A) is a perspective view of a conventional fluorescent lamp, (B) is a perspective view seen from the B direction in FIG. 13 (A).

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Fluorescent lamp 11 Arc tube member 12 Arc tube 14 Discharge path 20 Base part 20a 1st member (two members)
20b First member (two members)
21 Lamp pin 30 Socket 31 Socket body 33 Lamp holding spring (holding member)
34 Lighting circuit 35 Receiving part 40 Lighting plug (power connection part)
42 Hook sealing (power connection)
50 Lighting equipment

Claims (11)

A plurality of arc tube members formed in a straight tube are arranged in parallel to each other,
An arc tube in which a discharge path that is continuous and bent by connecting ends of the arc tube members is formed; and
A base that covers both ends of the arc tube,
The fluorescent lamp characterized in that the base portion is arranged at a central portion in the longitudinal direction of the arc tube.   The fluorescent lamp according to claim 1, wherein the lamp pins protruding from the base portion are provided along a direction intersecting with an arrangement direction of the arc tube members.   The fluorescent lamp according to claim 1, wherein lamp pins protruding from the base portion are provided along an arrangement direction of the arc tube members.   2. The fluorescent lamp according to claim 1, wherein the base portion includes two members that sandwich the arc tube from a direction orthogonal to an arrangement direction of the arc tube members.   5. A socket having a holding member that holds the base portion of the fluorescent lamp according to claim 1, and a receiving portion to which a lamp pin provided on the base portion can be connected.   The socket according to claim 5, wherein a lighting circuit is accommodated in the socket body of the socket.   The socket according to claim 5, wherein a power supply connection portion is provided in the socket body.   The socket according to claim 7, wherein the power connection is a lighting plug.   The socket according to claim 7, wherein the power connection part is a hook ceiling.   The socket according to claim 5, wherein a plurality of the receiving portions are provided.   The illuminating device using the fluorescent lamp in any one of Claims 1-4, and the socket in any one of Claims 5-10.

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