JP2014078368A - Fixing member for power supply device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fixing member for a power supply device, capable of readily mounting a power supply device of a straight tube type LED illumination in the inside of an existing ceiling mount type illumination.SOLUTION: An LED illumination to be mainly mounted in a ceiling, includes a magnet 44 attracting a housing 40 of a power supply device and fixing it to a power supply mount part of an illumination device, and a yoke 43 surrounding the magnet 44 other than at least an attraction face 44a.

Description

  The present invention relates to a structure in which a power supply device for lighting a straight tube type LED lamp is fixed inside a straight tube type LED lighting apparatus mainly installed on a ceiling.

  A typical installation method of a lighting fixture for ceiling installation is as follows. Two mounting bolts projecting from the ceiling with a predetermined interval in the longitudinal direction of the lighting fixture are passed through two mounting holes provided corresponding to the positions of the mounting bolts provided in the main body of the lighting fixture, After fitting the washer, tighten the nut and fix it. When the ceiling-mounted lighting fixture uses a fluorescent lamp as a light source, a ballast is necessary to turn on the fluorescent lamp. This ballast is provided with screw holes for mounting at both ends, and screw holes for mounting at both ends of the ballast are provided on the planes provided with the mounting holes for mounting to the above-mentioned ceiling of the luminaire. A pair of pedestals provided corresponding to the above are provided. The screw holes of the pedestal that match the screw holes at both ends of the ballast are matched, and the ballast is fixed to the luminaire using a tapping screw or the like that does not require a nut. The pedestal for mounting the ballast has a rising height higher than the length of the tapping screw so that it does not come into contact with the lighting fixture when the tapping screw for mounting is tightened.

  The inverter device for fluorescent lamps (hereinafter referred to as “conventional example 1”) described in Japanese Patent No. 3615669 is a locker for elastic tongues 1a and 1c provided on the chassis 1 as shown in FIG. Rectangular holes 1b and 1d are provided. A pair of protruding pieces 3 a provided on the yoke 3 constituting the suction member 10 are loosely fitted in the locking rectangular holes 1 b and 1 d, and the suction member 10 is attached to the chassis 1.

  On the other hand, when replacing the light source of a lighting fixture for ceiling mounting from a fluorescent lamp to a straight tube type LED lamp, the wiring between the power supply socket fixed to both ends of the lighting fixture and the ballast, and stabilization from the ceiling The AC power supply that extends to the fixture must be disconnected and the ballast must be electrically disconnected from the luminaire. In addition, a power supply device is required to turn on the straight tube LED lamp. The AC power supply wiring extending from the ceiling is connected to the input side of the power supply device and wired from the output side of the power supply device to the power supply socket. Must.

Japanese Patent No. 3615669

  When the light source of the lighting fixture for ceiling mounting is changed from a fluorescent lamp to a straight tube LED lamp, a power supply device for lighting the straight tube LED lamp is required. In addition, when the power supply device is attached to the luminaire, a mounting base for the power supply device is not provided, so an attachment hole for attachment is provided in the power supply device, and a pilot hole is provided in the attachment portion of the luminaire. Even if it is attached with a tapping screw using the attachment hole, the tapping screw reaches the ceiling surface and the ceiling is damaged.

  In the conventional example 1, when at least one of the elastic tongue pieces 1a and 1c falls to the outside or the protruding amount of at least one of the protruding pieces 3a is insufficient, the loosely-fitted adsorption member 10 may come off. .

  All the existing lighting fixtures for ceiling mounting are mounted on the ceiling, and work is done with a scaffold or using a large stepladder, and all work under adverse conditions from the bottom to the top.

  The present invention has been made in view of the above points, and an object of the present invention is to provide a fixing member for a power supply device capable of easily mounting a power supply device for straight tube type LED lighting inside an existing ceiling-mounting light. And

  According to the first aspect of the present invention, in the LED lighting mainly mounted on the ceiling on the ceiling, a magnet for attracting and fixing the casing of the power supply device and the power source mounting portion of the lighting fixture, and a yoke for enclosing the magnet at least leaving the attracting surface It is characterized by the following.

  The invention according to claim 2 is characterized in that the yoke is fixed to the power supply mounting portion by a double-sided tape based on a foam formed of a nonmagnetic material.

  According to a third aspect of the present invention, the double-sided tape provides a space between the yoke and the power supply mounting portion, thereby reducing penetration of magnetic flux generated from the magnet into the housing. And

  Since the power supply device for a straight tube LED lamp according to the present invention includes a magnet incorporating magnets at the center of both end portions, a drilling operation for mounting in an unfavorable condition is unnecessary, and the mounting operation is easy. Become safe. Moreover, it can prevent coming off from a lighting fixture carelessly.

It is an external appearance perspective view of the lighting fixture for ceiling mounting. (A) is structure explanatory drawing of the fixing | fixed part of the power supply device used for embodiment, (b) is an external appearance perspective view. (A) is front sectional drawing at the time of attaching the power supply device used for embodiment, (b) is side sectional drawing. It is explanatory drawing about the yoke used for embodiment.

  Hereinafter, a structure for fixing a power supply device according to an embodiment of the present invention will be described with reference to the drawings. In addition, although the Example shown below is a suitable specific example in the structure which fixes the power supply device of this invention, and there may be various technically preferable restrictions, the technical scope of this invention is especially As long as there is no description which limits this invention, it is not limited to these aspects. In addition, the constituent elements in the embodiments shown below can be appropriately replaced with existing constituent elements and the like, and various variations including combinations with other existing constituent elements are possible. Therefore, the description of the embodiment described below does not limit the contents of the invention described in the claims.

  As shown in FIG. 1, the ceiling-mounted lighting fixture 100 includes sockets 30, 30 for mounting the straight tube type LED lamps 20 at both ends of the lighting fixture 10. In addition, a lighting device 10 includes a power supply device (not shown).

  As shown in FIG. 2A, the yoke 43 is fixed to the adsorption member fixing surface 40a of the casing 40 of the power supply device by using a double-sided tape made of a foamed material such as polyurethane. Thereafter, the magnet 44 is attracted and fixed to the yoke 43. In addition, when fixing the magnet 44 to the yoke 43, it can fix more reliably by using it with an adhesive agent. FIG. 2B is an external perspective view of a state in which the magnet 44 fixed to the yoke 43 is fixed to the housing 40 of the power supply device by the double-sided tape 45.

  As a material for the magnet 44, a ferrite magnet that is inexpensive and has a strong and stable magnetic force to some extent is suitable. Ferrite magnets are so hard that they are difficult to adjust to the unevenness of the mating surface. Therefore, the double-sided tape 45 based on the foam used as a means for fixing the yoke 43 absorbs unevenness of the mating surface to be adsorbed and stably adsorbs to the mating surface to adsorb the housing 40 of the power supply device. I can do it.

  Although the lighting fixture 1 is continuously used, when the straight tube type fluorescent lamp is changed to the straight tube type LED lamp 20, as shown in FIG. Since the vessel 60 is not used for the straight tube type LED lamp 20, the wiring is cut and both ends of the ballast 60 by the mounting tapping screws 61 and 61 are left fixed. Since no other electrical equipment other than the ballast 60 is housed inside the lighting fixture 10, the casing 40 of the power supply device that drives the straight tube LED lamp 20 is installed in the unused space. As shown in FIG. 3 (b), the housing 40 of the power supply apparatus is configured such that the adsorption surface 44a of the magnet 44 fixed to the adsorption member fixing surface 40a is adsorbed to the non-adsorption surface 11a on the inner surface of the lighting fixture body 11. 40 is fixed.

  The magnetic flux leaking from the magnet 44 penetrates from both ends of the yoke 43 as shown by arrows in FIG. 4 and does not leak to the outside of the yoke 43, so the magnetic flux from the magnet 44 is stored in the housing 40 of the power supply device. It does not affect the power supply circuit board (not shown). The material of the yoke 43 is preferably an iron material such as SS400 which has good electromagnetic characteristics such as magnetic permeability and residual magnetic characteristics, is inexpensive and easy to process.

DESCRIPTION OF SYMBOLS 10 Lighting fixture 11 Lighting fixture main body 12 Lighting fixture lid | cover 11a Suction surface 13 Ballast mounting base 20 Straight tube type LED lamp 30 Socket 40 Power supply housing 40a Suction member fixing surface 43 York 44 Magnet 44a Suction surface 45 Double-sided tape 50 Ceiling 51 Mounting bolt 52 Mounting washer 53 Mounting nut 60 Ballast 61 Mounting tapping screw 100 Lighting fixture for ceiling mounting

Claims (3)

In LED lighting mainly mounted on the ceiling,
A magnet for attracting and fixing the power supply housing and the power supply mounting portion of the lighting fixture;
A fixing member for a power supply device, comprising: a yoke that surrounds at least the attracting surface of the magnet.   2. The fixing member for a power supply device according to claim 1, wherein the yoke is fixed to the power supply mounting portion by a double-sided tape based on a foam formed of a nonmagnetic material. 3. The penetration of the magnetic flux generated from the magnet into the housing is reduced by providing a space between the yoke and the power supply mounting portion by the double-sided tape. The fixing member of the power supply device described.