JP2019153512A - Power supply terminal block - Google Patents

Abstract

To improve ease of installation of a power supply terminal block in an appliance body and ease of installation of a power supply cable in the power supply terminal block.SOLUTION: A power supply terminal block 12 comprises a first terminal part and a second terminal part 32. A board terminal provided at an end of a power supply device 11 installed in an appliance body is inserted, and thereby the first terminal part is electrically connected to the board terminal. A power supply cable can be inserted into the second terminal part 32 from an oblique direction with respect to an installation surface of the appliance body.SELECTED DRAWING: Figure 3

Description

  Embodiments described herein relate generally to a power terminal block.

  Conventionally, fluorescent lamp fixtures have a plurality of activation methods, and examples of ballasts include C & C, rapid starter, and inverter types. It is known to wire-connect a power supply device having these ballasts and a power supply terminal block. Also, in a base light using LEDs, it is known to wire-connect a power supply device and a power supply terminal block.

JP 2017-134906 A

  The problem to be solved by the present invention is to provide a power supply terminal block that improves attachment.

  The power supply terminal block according to the embodiment includes a first terminal portion and a second terminal portion. A 1st terminal part is electrically connected with a board | substrate terminal by the board | substrate terminal provided in the end of the power supply device attached to an instrument main body being inserted. The second terminal portion can insert the power supply cable from an oblique direction with respect to the mounting surface of the instrument body.

  According to the present invention, improvement in mounting property can be expected.

FIG. 1 is a perspective view illustrating a configuration of a lighting device according to an embodiment. FIG. 2 is an exploded view of a part of the lighting device according to the embodiment. FIG. 3 is a perspective view showing a part of the power supply device. FIG. 4 is a perspective view showing a part of the power supply apparatus with the power supply terminal block removed. FIG. 5 is a schematic configuration diagram of the power terminal block as viewed from the substrate side. FIG. 6 is a schematic configuration diagram showing a part of the power supply terminal block in the vicinity of the claw portion of the power supply device. 7 is a sectional view taken along line VII-VII in FIG. FIG. 8 is a schematic view of the light source module. FIG. 9 is a schematic view of the connector in the IX-IX cross section of FIG.

  The power supply terminal block 12 according to the embodiment described below includes a first terminal portion 31 and a second terminal portion 32. The first terminal portion 31 is electrically connected to the substrate terminal 20 by inserting the substrate terminal 20 provided at the end of the power supply device 11 attached to the instrument body 2. The second terminal portion 32 can insert the power supply cable into the bottom portion 15 a (corresponding to the mounting surface) of the recess 15 of the instrument body 2 from an oblique direction.

  Moreover, the 2nd terminal part 32 which concerns on embodiment described below is formed so that a power supply cable can be inserted from the opposite side to the power supply device 11. FIG.

  The power supply terminal block 12 according to the embodiment described below includes a housing 30. The housing 30 accommodates the first terminal portion 31 and the second terminal portion 32. Further, the housing 30 has a second hole 30b (corresponding to a hole) for inserting the power supply cable into the second terminal portion 32 in the inclined surface 30c.

(Embodiment)
The illuminating device 1 which concerns on embodiment is demonstrated using FIGS.

[Configuration of Lighting Device 1 According to Embodiment]
FIG. 1 is a perspective view illustrating a configuration of a lighting device 1 according to the embodiment. FIG. 2 is an exploded view of a part of the lighting device 1 according to the embodiment.

  The lighting device 1 includes an instrument body 2 and a light source module 3. The lighting device 1 is attached to the ceiling surface with the light source module 3 facing downward, for example. In addition, the illuminating device 1 is not restricted to a ceiling surface, For example, you may attach to arbitrary attachment objects, such as a wall surface. Moreover, the some illuminating device 1 may be connected.

  The instrument body 2 includes a housing 10, a power supply device 11, and a power supply terminal block 12. The housing 10 is attached to the ceiling with screws (not shown) or the like. The housing 10 is formed to extend in one direction. Here, a direction in which the housing 10 extends is referred to as a “longitudinal direction”, and another direction orthogonal to the longitudinal direction is referred to as a “short direction”. Note that the short direction is the width direction of the housing 10 (illumination device 1).

  The casing 10 is formed with a recess 15 along the longitudinal direction. The recess 15 accommodates the power supply device 11 and the power supply terminal block 12. Further, a light adjusting terminal block (not shown) for adjusting the brightness of the light source 40 (see FIG. 8) is accommodated in the recess 15.

  The power supply device 11, the power supply terminal block 12, and the mounting bracket 13 are attached to the bottom 15 a of the recess 15. That is, the bottom 15a constitutes a mounting surface to which the power supply device 11, the power terminal block 12, and the mounting bracket 13 are attached. The bottom 15a is formed substantially parallel to the ceiling surface. The bottom 15a is formed with a hole 15b through which a power supply cable (not shown) and the like are passed.

  The mounting bracket 13 is attached to the housing 10 by, for example, screws (not shown). The mounting bracket 13 engages with a mounting member (not shown) of the light source module 3 and suppresses the light source module 3 from being detached from the instrument body 2. The mounting bracket 13 and the mounting member are formed so that the light source module 3 can be attached to and detached from the instrument body 2.

[Configuration of Power Supply Device 11 According to Embodiment]
Next, the power supply device 11 will be described with reference to FIGS. FIG. 3 is a perspective view showing a part of the power supply device 11. FIG. 4 is a perspective view showing a part of the power supply device 11 with the power supply terminal block 12 removed. 3 and 4 are perspective views seen from the light source module 3 side.

  The power supply device 11 converts electric power supplied from the outside into a voltage or current corresponding to the light source 40 (see FIG. 8) of the light source module 3 and supplies power to the light source of the light source module 3. The power supply device 11 includes a main body portion 16 and a holding portion 17.

  The main body portion 16 includes a substrate 18 on which a circuit for converting electric power supplied from the outside into a voltage or current corresponding to the light source is formed, and a housing 19 formed so as to cover the substrate 18.

  The substrate 18 is attached to the holding unit 17. A substrate terminal 20 is provided on the substrate 18 at one end in the longitudinal direction. The substrate terminal 20 is formed to stand from the substrate 18 toward the light source module 3 (see FIG. 2). Specifically, the substrate terminal 20 is formed upright in a direction perpendicular to the substrate 18. A plurality of substrate terminals 20 are arranged along the short direction. Here, a three-pole power supply device 11 having three substrate terminals 20 will be described as an example, but a two-pole power supply device 11 having two substrate terminals 20 may be used.

  The holding | maintenance part 17 is formed by performing a bending process etc. to a plate-shaped metal member. The holding | maintenance part 17 is formed so that the cross section along a transversal direction may become U shape. The holding portion 17 includes a mounting portion 17a facing the bottom portion 15a of the concave portion 15, and a wall portion 17b extending from both ends of the mounting portion 17a in the short direction toward the light source module 3 and facing the wall portion 15c of the concave portion 15.

  A substrate 18 is attached to the attachment portion 17a. One end in the longitudinal direction of the mounting portion 17 a protrudes from the board terminal 20, and a screw hole 17 c is formed at a position protruding from the board terminal 20. The attachment portion 17a is attached to the housing 10 by inserting a screw (not shown) into the screw hole 17c. In addition, the attachment part 17a is attached to the housing | casing 10 with a screw | thread at multiple places.

  A pair of wall portions 17b are formed with the main body portion 16 interposed therebetween. The wall portion 17b includes a claw portion 17d at the end in the longitudinal direction. The claw portion 17d is formed at the end in the longitudinal direction on the power terminal block 12 side. The claw portion 17d is formed by bending the tip of the wall portion 17b inward. A predetermined gap is formed between the claw portion 17d and the attachment portion 17a. A pair of claw portions 17d are formed on each wall portion 17b. The pair of claw portions 17d are formed so that the tips of the claw portions 17d face each other. The claw portion 17d engages with an engagement surface 30d of the power terminal block 12 described later.

[Configuration of the power supply terminal block 12 according to the embodiment]
Next, the power supply terminal block 12 will be described with reference to FIGS. FIG. 5 is a schematic configuration diagram of the power supply terminal block 12 as viewed from the substrate 18 side. FIG. 6 is a schematic configuration diagram showing a part of the power supply terminal block 12 in the vicinity of the claw portion 17d of the power supply device 11. As shown in FIG. 7 is a sectional view taken along line VII-VII in FIG.

  The power terminal block 12 is provided at the end of the substrate 18 in the longitudinal direction. The power supply terminal block 12 is electrically connected to the board terminal 20 by being inserted into the board terminal 20 in the standing direction of the board terminal 20. The power terminal block 12 includes a housing 30, a first terminal part 31 electrically connected to the board terminal 20, and a second terminal part 32 electrically connected to a power supply cable (not shown). .

  The housing 30 accommodates the first terminal portion 31 and the second terminal portion 32. The housing 30 is formed with a first hole 30 a into which the substrate terminal 20 can be inserted on the surface facing the substrate 18. A plurality of first holes 30 a are formed in the short direction according to the number of first terminal portions 31.

  Further, the housing 30 is formed with a second hole 30b into which the power supply cable can be inserted into the inclined surface 30c facing the light source module 3. A plurality of the second holes 30b are formed in the short direction according to the number of the second terminal portions 32. The inclined surface 30c is formed so as to be inclined toward the housing 19 side of the power supply device 11 toward the light source module 3 side.

  In addition, an engagement surface 30 d is formed on a part of the surface facing the light source module 3 in the housing 30. The engagement surfaces 30d are formed at both ends in the lateral direction, that is, at both ends in the width direction of the power supply device 11.

  The claw portion 17d of the holding portion 17 engages with the engagement surface 30d. For example, the claw portion 17d is formed by caulking and bending the wall portion 17b of the holding portion 17, the claw portion 17d is engaged with the engagement surface 30d, and both sides in the short direction of the power terminal block 12 are formed by the claw portion 17d. Fix it. Thereby, the movement to the light source module 3 side of the housing | casing 30, ie, the power supply terminal block 12, is controlled.

  The power terminal block 12 is restricted from moving in the short direction by the wall portion 17b of the holding portion 17 at both ends in the short direction.

  Moreover, the housing | casing 30 is provided with the screw attachment part 30f which protrudes on the opposite side to the power supply device 11, and has the screw hole 30e. The power terminal block 12 is attached to the housing 10 by inserting a screw (not shown) into the screw hole 30e. That is, the power terminal block 12 is attached to the housing 10 with screws together with the attachment portion 17a.

  A plurality of first terminal portions 31 are provided along the short direction. The first terminal portion 31 is electrically connected to the substrate terminal 20 by inserting the substrate terminal 20 into the first hole 30a. That is, the power supply terminal block 12 is directly electrically connected to the board terminal 20 without using a connection cable or the like. For example, the first terminal portion 31 is electrically connected to the board terminal 20 by sandwiching the board terminal 20 with a leaf spring.

  A plurality of second terminal portions 32 are provided along the short direction. The second terminal portion 32 is electrically connected to the first terminal portion 31, and is electrically connected to the power supply cable by inserting the power supply cable into the second hole 30b. The second terminal portion 32 includes a grounding terminal portion.

  The second terminal portion 32 is formed so that the power supply cable can be inserted from an oblique direction with respect to the substrate 18, that is, the bottom portion 15 a of the recess 15. Specifically, the second terminal portion 32 is formed so that a power supply cable can be inserted in an oblique direction from the side opposite to the power supply device 11.

[Configuration of Light Source Module 3 of Embodiment]
Next, the light source module 3 will be described with reference to FIGS. FIG. 8 is a schematic view of the light source module 3. FIG. 9 is a schematic view of the connector 41 in the IX-IX cross section of FIG.

  The light source module 3 includes a light source 40 and a connector 41.

  A plurality of light sources 40 are provided on a metal plate 42. For example, a plurality of light sources 40 are provided along the longitudinal direction. The light source 40 is, for example, a light emitting diode (LED). The light source 40 may be an organic light emitting diode (OLED), an inorganic EL light emitting element, an organic EL light emitting element, or other electroluminescent light emitting element. The light source 40 may be a light bulb or the like.

  The connector 41 is provided near the center of the plate 42 in the longitudinal direction. The connector 41 is configured by protruding a wire conductor 41a exposed from the insulating coating 41b from a hole 42a provided in the plate 42. The connector 41 is a power supply connector that electrically connects the power supply device 11 (see FIG. 2) and the light source 40 to supply power to the light source 40, or a signal connector that controls dimming of the light source 40.

  Accordingly, the power supply device 11 and the light source 40 can be electrically connected, for example, without suppressing the length of the cable that supplies power to the light source 40 and without providing a support member that supports the cable. Therefore, for example, the cable can be prevented from coming into contact with other members, and the cable can be prevented from being rubbed. Moreover, the attachment property at the time of attaching the illuminating device 1 to a ceiling surface, for example can be improved.

  The lighting device 1 according to the embodiment is provided on the instrument body 2 side, and is inserted into the power supply device 11 having the substrate terminal 20 erected from the end of the substrate 18 and the substrate terminal 20 from the erected direction of the substrate terminal 20 And a power supply terminal block 12 electrically connected to the substrate terminal 20. Thereby, the power supply terminal block 12 can be easily attached to the power supply device 11 without using a cable or the like, and the attachment property can be improved. Further, the power terminal block 12 and the power supply device 11 can be electrically connected without using a cable for electrically connecting the power supply terminal block 12 and the power supply device 11 or a holding member for holding the cable. , Can reduce the cost.

  The power supply device 11 according to the embodiment includes a claw portion 17d that engages with an engagement surface 30d of the power supply terminal block 12 formed on the side opposite to the substrate 18, that is, on the light source module 3 side. Thereby, it can control that the power terminal block 12 moves to the light source module 3 side. Therefore, it is possible to suppress the power supply terminal block 12 from coming off the board terminal 20 due to the tensile load of the power supply cable.

  The claw portion 17d according to the embodiment is formed by bending a part of the holding portion 17 of the power supply device 11. Thereby, the nail | claw part 17d can be formed easily.

  The power terminal block 12 according to the embodiment has engagement surfaces 30d formed at both ends in the short direction. Thus, the power terminal block 12 is supported by the claw portions 17d at both ends in the short direction. Therefore, the movement toward the light source module 3 can be further restricted, and the power terminal block 12 can be prevented from coming off from the board terminal 20.

  The power supply terminal block 12 according to the embodiment includes a second terminal portion 32 into which a power supply cable can be inserted from an oblique direction with respect to the bottom portion 15 a of the recess 15 of the instrument body 2. Thereby, a power supply cable can be easily attached to the power terminal block 12, and attachment property can be improved.

  The second terminal portion 32 according to the embodiment is formed so that a power supply cable can be inserted from the side opposite to the power supply device 11. Thereby, a power supply cable can be easily attached to the power terminal block 12, and attachment property can be improved.

  The housing 30 according to the embodiment has a second hole 30b for inserting the power supply cable into the second terminal portion 32 in the inclined surface 30c. Thereby, a power supply cable can be easily attached to the power terminal block 12, and attachment property can be improved.

(Modification)
The illuminating device 1 according to the modification may form the claw portion 17d on the instrument body 2. For example, the lighting device 1 according to the modification may form the claw portion 17d on the wall portion 15c of the concave portion 15 of the instrument body 2. The pair of claw portions 17d may be formed such that one claw portion 17d is formed on the holding portion 17 and the other claw portion 17d is formed on the wall portion 15c of the concave portion 15 of the instrument body 2. That is, the claw portion 17d may be formed on at least one of the power supply device 11 and the instrument main body 2.

  Moreover, the illuminating device 1 which concerns on a modification may form the nail | claw part 17d by cutting and raising process. That is, the claw portion 17d may be formed by bending or cutting and raising a part of the power supply device 11 and the instrument main body 2.

  Although several embodiments of the present invention have been described, these embodiments are presented by way of example and are not intended to limit the scope of the invention. These embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the spirit of the invention. These embodiments and their modifications are included in the scope and gist of the invention, and are also included in the invention described in the claims and the equivalents thereof.

DESCRIPTION OF SYMBOLS 1 Illuminating device 2 Instrument main body 3 Light source module 11 Power supply device 12 Power supply terminal block 15 Recessed part 15a Bottom part 17d Claw part 18 Substrate 20 Substrate terminal 30 Case 30b Hole 30c Inclined surface 30d Engagement surface 31 First terminal part 32 Second terminal part

Claims (3)

A first terminal portion electrically connected to the board terminal by inserting a board terminal provided at an end of a power supply device attached to the instrument body;
A power supply terminal block comprising: a second terminal portion capable of inserting a power supply cable from an oblique direction with respect to the mounting surface of the instrument body. The second terminal portion is
The power supply terminal block according to claim 1, wherein the power supply cable is formed to be insertable from a side opposite to the power supply device. A housing for housing the first terminal portion and the second terminal portion;
The housing is
The power terminal block according to claim 1 or 2, wherein a hole for inserting the power supply cable into the second terminal portion is provided on an inclined surface.