WO2016052486A1

WO2016052486A1 - Reflective plate unit and lighting device

Info

Publication number: WO2016052486A1
Application number: PCT/JP2015/077466
Authority: WO
Inventors: 富志雄高橋; 寺沢　徳晃; 哲也南口
Original assignee: シャープ株式会社
Priority date: 2014-09-30
Filing date: 2015-09-29
Publication date: 2016-04-07
Also published as: JPWO2016052486A1; JP6271753B2

Abstract

In order to prevent the cover from falling off of a reflective plate without having to fix the reflective plate and the cover with screws, etc., protruding pieces (3a) are formed on each of both opposite ends of the reflective plate (3), recessed grooves (1a) are formed in each of both opposite ends of the cover (1), and engagement units (J) are provided in which the protruding pieces (3a) and the recessed grooves (1a) engage with each other by the protruding pieces (3a) being fitted into the recessed grooves (1a).

Description

Reflector unit and lighting device

The present invention relates to a reflector unit comprising: a reflector that reflects light emitted from a light source; and a cover that covers a side on which a light source mounting substrate on which the light source of the reflector is mounted is fixed; and the reflector The present invention relates to a lighting device including a unit.

Conventionally, an illumination device using a light-emitting diode (LED) as a light source is known. For example, Patent Document 1 includes an engaging portion for slidably engaging a reflecting plate to which an LED substrate to which a plurality of LED light emitting elements are arranged and fixed is fixed, and a translucent cover. A lighting device is disclosed. More specifically, the engaging portion includes an engaging male piece projecting from the reflecting surface side to the reflecting surface of the reflecting plate and having a predetermined inclination angle from the reflecting surface, and an opening of the translucent cover. An engaging female groove that is a groove that engages with the engaging male piece is formed so as to have a predetermined inclination angle from the surface.

Japanese Patent Publication “JP 2013-127951 A (published on June 27, 2013)”

However, the conventional techniques as described above have various problems such as the possibility that the cover may come off from the reflector and fall. For example, in the reflector unit disclosed in Patent Document 1, the engaging male piece is formed so as to have a predetermined inclination angle from the reflecting surface, and the engaging female groove is predetermined from the opening surface of the translucent cover. It is formed to have an inclination angle. For this reason, when a reflecting plate and a translucent cover are engaged, a translucent cover may fall. In addition, this reflector unit requires a separate screw as a fixing member, and there is a problem that the number of assembling operations is increased by fixing the reflector and the translucent cover with the screw.

The present invention has been made in view of the above problems, and its purpose is to prevent the cover from being detached from the reflecting plate and falling without fixing the reflecting plate and the cover with screws or the like. The object is to provide a reflector unit and the like that can be used.

In order to solve the above problems, a reflector unit according to one aspect of the present invention includes a reflector that reflects light emitted from a light source and a light source mounting substrate on which the light source of the reflector is mounted. And a cover that covers the side of the light source, wherein each of the opposing ends of the reflector is oriented along the substrate surface of the light source mounting board and toward the center of the reflector. A projecting piece projecting is formed, and a concave groove extending along the substrate surface of the light source mounting substrate and extending toward the outside of the reflecting plate is formed on each of the opposite ends of the cover. The projecting piece is fitted into the concave groove, so that the projecting piece and the concave groove are provided with an engaging portion.

According to one aspect of the present invention, there is an effect that it is possible to prevent the cover from being detached from the reflecting plate and falling without fixing the reflecting plate and the cover with screws or the like.

It is a perspective view which shows the external appearance of the illuminating device which concerns on Embodiment 1 of this invention. It is a figure which shows the detail of the external appearance structure of the illuminating device shown by FIG. 1, Comprising: (a) is a front view, (b) is a side view, (c) is a top view. It is a front view which shows the external appearance structure of the power storage part of the illuminating device shown by FIG. It is a front view which shows the external appearance structure of the light source storage part of the illuminating device shown by FIG. It is sectional drawing which shows the engaging structure of the reflecting plate unit which concerns on the principal part of the illuminating device shown by FIG. 1, (a) shows the cross-sectional structure of the reflecting plate unit with which the reflecting plate and the cover were engaged, b) shows the sectional structure of the cover, and (c) shows the sectional structure of the reflector. It is a figure which shows the form which attaches a side cover to the cover which concerns on Embodiment 2 of this invention, (a) shows the state before attaching a side cover to a cover, (b) shows a side cover on a cover. The state after mounting | wearing is shown, (c) and (d) respectively show the state before fitting the side in which the positioning member of the light source storage part is formed in the fitting hole of a power storage part. It is a perspective view which shows the external appearance of the side cover of the light source storage part shown by FIG. It is a figure which shows the detailed structure of the side cover shown by FIG. 7, Comprising: (a) is a top view, (b) is a front view, (c) is a bottom view, (d) Is a side view, (e) is a back view, (f) is a partial enlarged view of the P portion shown in (b), and (g) is a cross-sectional view taken along the line AA shown in (b). It is sectional drawing, (h) is sectional drawing of the BB cross section shown in (b). It is a perspective view which shows the external appearance of the cover of the light source storage part shown by FIG. It is a figure which shows the detailed structure of the cover shown by FIG. 9, Comprising: (a) is a side view, (b) is a top view, (c) is a part of Q part shown to (a) It is an enlarged view. (A) is a top view of the illuminating device shown to (c) of FIG. 1, (b) is sectional drawing which shows the structure of the power storage part which concerns on Embodiment 3 of this invention. (A) shows the structure of the reflector unit provided with the spring part according to Embodiment 4 of the present invention, and (b) shows the structure of the main body chassis provided with the spring receiving part according to Embodiment 4 of the present invention. It is a figure which shows a structure, (c) is sectional drawing which shows the cross-sectional structure in the vicinity of a cancellation | release hole, (d) is sectional drawing which shows the other cross-sectional structure in the vicinity of a cancellation | release hole. (A) is a figure which shows the state which arranged the said spring part and the said spring receiving part, (b) is the coupling | bonding of the said spring part to the said spring receiving part, and the removal of the said spring part from the said spring receiving part. It is a figure which shows a procedure. It is a figure for demonstrating the metal fitting which concerns on Embodiment 5 of this invention, (a) is sectional drawing which shows the structure of the reflecting plate unit before installing the said metal fitting, (b) is the said metal fitting. It is sectional drawing which shows the structure of the reflecting plate unit after installing, (c) is a perspective view which shows the whole structure of the said metal fitting. It is a figure for demonstrating the installation place in the reflecting plate of the said metal fitting, (a) shows the state of the reflecting plate after the said metal fitting is installed, (b) is the hole formed in the said reflecting plate. (C) shows a state where the hole is closed with an insulating tape or the like, and (d) shows a state where the hole is closed with the metal fitting. It is a figure for demonstrating the notch and notch hole which are formed in a reflecting plate, (a) shows the state of the back side of the said reflecting plate, (b) shows the state of the front side of the said reflecting plate. (C) shows the state which provided the notch and fixed the LED mounting substrate to the said reflecting plate.

Embodiments of the present invention will be described with reference to FIGS. 1 to 16 as follows. Hereinafter, for convenience of explanation, components having the same functions as those described in the specific embodiment may be denoted by the same reference numerals and description thereof may be omitted.

[Embodiment 1]
First, the structure of the illumination device 20 according to the first embodiment of the present invention will be described with reference to FIGS.

(Structure of lighting device)
FIG. 1 is a perspective view showing an appearance of the lighting device 20 of the present embodiment. As shown in FIG. 1, the lighting device 20 includes a power storage unit 30 and a light source storage unit 40. The lighting device 20 is attached to a predetermined member (for example, a ceiling) from the side opposite to the side where the light source storage unit 40 of the power storage unit 30 is mounted.

2A and 2B are diagrams showing details of the external structure of the lighting device 20 shown in FIG. 1, wherein FIG. 2A is a front view, FIG. 2B is a side view, and FIG. (C) is a top view. As shown in FIG. 2A, the power storage unit 30 and the light source storage unit 40 are connected (or coupled) to each other. The power storage unit 30 is provided with a plurality of release holes 31 to be described later. The release hole 31 is used for releasing the connection between the power storage unit 30 and the light source storage unit 40.

As shown in FIG. 2B, the power storage unit 30 includes a knockout 32. A hole leading to the inside of the power storage unit 30 can be provided by hitting or cutting the knockout 32.

2C, the power storage unit 30 includes a plurality of protrusions (protrusions) 33 and a protrusion 34. The power storage unit 30 is provided with a plurality of mounting holes (mounting holes) 35 and a plurality of wiring holes (wiring holes; holes for passing AC voltage wires) 36. The attachment hole 35 is used for attaching the lighting device 20 to a predetermined member (for example, a ceiling). The wiring hole 36 is used for drawing a wiring into the lighting device 20. The protruding portion 34 is formed between the mounting hole 35 and the wiring hole 36.

(Power storage unit)
The power storage unit 30 stores the power supply unit 8 that supplies power to the light source of the lighting device 20. 3 is a diagram illustrating a configuration of the power storage unit 30 of the lighting device 20 illustrated in FIG. 1. FIG. 3A is a front view, and FIG. 3A is a bottom view of a range A shown in FIG. 3A, FIG. 3C is a bottom view of a range B shown in FIG. 3A, and FIG. It is. The side of the power storage unit 30 that faces the light source storage unit 40 is the bottom surface, and the opposite side of the bottom surface is the top surface.

As shown in FIG. 3A, the power storage unit 30 includes a main body chassis 7, a power terminal block 9, a dimming terminal block 10, and a plurality of spring receivers 11 in addition to the power supply unit 8 described above. With.

The power supply unit 8 is stored in the power storage unit 30 at the position where the protrusion 34 is provided [the position indicated by the oblique lines in FIG. 3A]. Specifically, the protrusion 34 is a recess on the inner surface of the power storage unit 30. And the power supply part 8 is stored in this recessed part.

As shown in FIG. 3B, the power storage unit 30 further includes a first wiring 39. One end of the first wiring 39 is connected to the power supply unit 8. A connector 391 is attached to the other end of the first wiring 39. The power supply unit 8 receives an AC voltage and supplies the DC voltage to the LED 4a described later via the first wiring 39.

3 (c), the power supply terminal block 9 and the dimming terminal block 10 are attached to the main body chassis 7. The protrusion 33 and the protrusion 34 are provided on the main body chassis 7. The power supply terminal block 9 and the dimming terminal block 10 are each connected to the power supply unit 8 by wiring.

As shown in FIGS. 3C and 3D, an insulating cap 361 made of resin is attached to the edge of the wiring hole 36. Thereby, it can prevent that an electric wire rubs with the metal main body chassis 7 and short-circuits. In particular, in the case where a gap is formed between the main body chassis 7 and a member (such as a ceiling) to which the lighting device 20 is mounted by the protrusion 33, the above-described AC electric wire (the electric wire passing through the wiring hole 36) is Although it is easy to move through this gap, the insulating cap 361 can prevent a problem that the edge of the metal hole and the electric wire are rubbed and short-circuited. This electric wire is, for example, a VVF (Vinyl insulated Vinyl sheeted Flat-type) wire. The electric wire also includes a ground wire.

(Light source storage)
The light source storage unit 40 is attached to the power supply storage unit 30 and stores a plurality of light emitting diodes (LEDs).

FIG. 4 is a diagram illustrating a configuration of the light source storage unit 40 of the lighting device 20 illustrated in FIG. 1, in which FIG. 4A is a front view, and FIG. 4A is a top view of a range C shown in FIG. 4A, FIG. 4C shows a state in which the side cover 2 is removed in FIG. 4B, and FIG. FIG. 4E shows a state in which the side cover 2 is removed in FIG. The side of the light source storage unit 40 that faces the power storage unit 30 is the upper surface.

As shown in FIG. 4A, the light source storage unit 40 includes a cover 1, a plurality of side covers 2, a reflector 3, an LED mounting substrate 4 (light source mounting substrate), an LED 4a (light source), and a plurality of spring portions. 5 and a plurality of fall prevention straps 6. The side cover 2 covers both ends of the light source storage unit 40. More specifically, the side cover 2 covers one end of the opening defined by the cover 1 and the reflecting plate 3 and the other end of the opening defined by the cover 1 and the reflecting plate 3, respectively. The LED mounting substrate 4 is fixed to the reflecting plate 3. The side of the reflector 3 on which the LED mounting substrate 4 is mounted is covered with a cover 1. The spring part 5 connects and fixes the light source storage part 40 to the power supply storage part 30 by being connected and fixed to the above-described spring receiving part 11. Further, the spring portion 5 fixes the positional relationship between the cover 1 and the reflecting plate 3.

(Electrical connection)
As shown in FIGS. 4B and 4D, the light source storage unit 40 includes a second wiring 49 (DC voltage supply line). One end of the second wiring 49 is drawn from the LED mounting substrate 4 (LED) as will be described later. A connector 491 is attached to the other end of the second wiring 49. And the LED mounting board 4 and the power supply part 8 are electrically connected by connecting the connector 491 and the above-mentioned connector 391. That is, the LED is electrically connected to the power supply unit 8 stored in the power supply storage unit 30 by wiring. Specifically, the power storage unit 30 has a first wiring 39 drawn from the power supply unit 8, while the light source storage unit 40 has a second wiring 49 drawn from the LED mounting substrate 4 (LED). ing. Moreover, the 1st wiring 39 and the 2nd wiring 49 each have a connector, and when these connectors are connected, they are electrically connected.

Here, a hole (gap) through which the second wiring 49 passes is provided between the side cover 2 and the reflector 3. Moreover, as shown in FIGS. 4C and 4E, an opening is provided in the range D of the reflector 3. The LED mounting substrate 4 is exposed from the opening to the side cover 2 side. The second wiring 49 is connected to the LED mounting substrate 4 through the gap and the opening.

In the gap through which the second wiring 49 is passed, the sponge 19 is attached and closed. Thereby, it is possible to prevent dust and insects from entering the LED mounting substrate 4. By using the sponge 19, the gap can be closed while being easily deformed in accordance with the shape of the gap. Further, since the sponge 19 is a material softer than the wiring, the damage of the second wiring 49 can be reduced and a short circuit can be prevented. Furthermore, unlike the case where the sponge 19 closes the gap with an adhesive member, the side cover 2 can be easily attached and detached repeatedly.

(Reflector unit)
FIG. 5 is a cross-sectional view showing an engagement structure of the reflector unit 21 according to the main part of the light source storage unit 40 of the illumination device 20 shown in FIG. FIG. 5A shows a cross-sectional structure of the reflector unit 21 in which the reflector 3 and the cover 1 are engaged. 5B shows a cross-sectional structure of the cover 1, and FIG. 5C shows a cross-sectional structure of the reflector 3.

As shown in FIG. 5A, the reflector unit 21 includes a cover 1, a reflector 3, an LED mounting substrate 4, and an LED 4a. The reflecting plate 3 is a member that reflects light emitted from the LED 4a. The cover 1 is a member that covers the side on which the LED mounting substrate 4 on which the LED 4a of the reflector 3 is mounted is fixed, and transmits the light of the LED 4a.

As shown in FIG. 5 (b), the opposite ends of the cover 1 in the short direction are respectively along the board surface of the LED mounting board 4 (parallel to the ceiling) and outside the reflector 3. A concave groove 1a extending in the opposite direction is formed. On the other hand, as shown in (c) of FIG. 5, each of the opposite ends of the reflector 3 in the short direction is along the substrate surface of the LED mounting substrate 4 (parallel to the ceiling) and the reflector 3. A projecting piece 3a projecting in the direction toward the center is formed. As shown in FIG. 5A, in the reflector unit 21, the protruding piece 3a is fitted into the recessed groove 1a to form an engaging portion J where the protruding piece 3a and the recessed groove 1a engage with each other. Has been. Moreover, in the engaging part J, when the protrusion piece 3a is inserted in the inside of the ditch | groove 1a, the cover 1 and the reflecting plate 3 are engaging in the state which had play. As a result, the cover 1 can slide relative to the reflector 3.

That is, the reflecting plate unit 21 includes an engaging portion J in which the protruding piece 3a and the recessed groove 1a are engaged with each other by fitting the protruding piece 3a into the recessed groove 1a. In addition, the protruding direction of the protruding piece 3 a is a direction along the substrate surface of the LED mounting substrate 4 and toward the center of the reflecting plate 3. Further, the direction in which the groove 1 a extends is along the substrate surface of the LED mounting substrate 4 and toward the outside of the reflector 3. For this reason, the relative movement of the reflecting plate 3 and the cover 1 in the direction perpendicular to the substrate surface of the LED mounting substrate 4 is limited by the engaging portion J. Thereby, it is possible to prevent the cover 1 from being removed from the reflecting plate 3 and falling in a direction (vertical direction) perpendicular to the substrate surface of the LED mounting substrate 4. Moreover, according to the said structure, it is not necessary to fix the reflecting plate 3 and the cover 1 with a screw etc., and an operation man-hour can be reduced. As described above, it is possible to prevent the cover 1 from being detached from the reflecting plate 3 and falling without fixing the reflecting plate 3 and the cover 1 with screws or the like.

Next, as shown in FIG. 5 (a), the protruding pieces 3a of the reflecting plate 3 are arranged so that each of both ends in the short direction of the reflecting plate 3 extends from one end to the other end of the reflecting plate 3 in the longitudinal direction. 3 is formed by being bent in the direction toward the center. On the other hand, the concave groove 1a of the cover 1 is formed by bending both ends of the cover 1 in the short direction from one end to the other end of the cover 1 in the direction toward the outside of the reflector 3. Yes. According to the said structure, the protrusion piece 3a and the ditch | groove 1a are one end of a longitudinal direction so that each of the both ends of the transversal direction of the reflecting plate 3 and each of the both ends of the transversal direction of the cover 1 may mutually oppose each other. It is bent from the other end to the other end. For this reason, when the protrusion piece 3a and the ditch | groove 1a are mutually engaged, it can prevent the surface of the engaging part J from being exposed. For this reason, it is possible to prevent dust and insects from directly entering through the engaging portion J.

As described above, by providing the engagement portion J described above, a fixing member (screw) for preventing the cover 1 from dropping is unnecessary, reducing the number of work steps, and dust inside the light source storage portion 40. And insects can be prevented from entering.

[Embodiment 2]
FIG. 6 is a diagram illustrating a form in which the side cover 2 is attached to the cover 1 according to the second embodiment of the present invention. FIG. 6A shows a state before the side cover 2 is attached to the cover 1. On the other hand, FIG. 6B shows a state after the side cover 2 is attached to the cover 1. 6 (c) and 6 (d) show a state before the side on which the positioning member 2a of the light source storage unit 40 is formed is fitted into the fitting hole H of the power storage unit 30, respectively. . The cover 1 includes the reflecting plate 3 shown in FIG. 5 and the LED mounting substrate 4 on which the LEDs 4 a are mounted on the reflecting plate 3. The cover 1 is formed by sliding relative to the reflecting plate 3. ing.

(Side cover)
The side cover 2 is a member that covers the opposite ends of the reflector unit 21 in the longitudinal direction. Specifically, the side cover 2 includes a covering portion that covers both ends of the reflecting plate unit 21 facing each other in the longitudinal direction, a cover inscribed portion 14, a fixing portion 14 a that fixes the side cover 2 to the reflecting plate 3, and a positioning member. 2a. As shown to (a) of FIG. 6, the side cover 2 was attached to each of the both ends of the longitudinal direction of the reflecting plate unit 21 by providing the cover inscribed part 14 inscribed in the inner peripheral part 12 of the cover 1. As shown in FIG. At this time, the cover inscribed portion 14 of the side cover 2 is inscribed in the inner peripheral portion 12 of the cover 1. For this reason, it is possible to prevent dust and insects from directly entering from the contact portion between the cover inscribed portion 14 of the side cover 2 and the inner peripheral portion 12 of the cover 1. The side cover 2 is preferably a member that transmits the light of the LED 4a.

(Positioning member)
As shown in FIG. 6C, the positioning member 2 a defines the position of the side cover 2 with respect to the power storage unit 30. If a hole for fitting the positioning member 2a (fitting hole H) is provided in the power storage unit 30 and the light source storage unit 40 is attached to the power storage unit 30 and the positioning member 2a is inserted into the fitting hole H, the power source The positional relationship between the storage unit 30 and the side cover 2 can be easily fixed.

FIG. 7 is a perspective view showing the appearance of the side cover 2 of the light source storage unit 40 shown in FIG. 8 is a diagram showing a detailed structure of the side cover 2 shown in FIG. 7, in which (a) of FIG. 8 is a top view, (b) of FIG. 8 is a front view, 8C is a bottom view, FIG. 8D is a side view, and FIG. 8E is a back view. Moreover, (f) of FIG. 8 is the elements on larger scale of the P section part shown to (b) of FIG. 8G is a cross-sectional view taken along the line AA shown in FIG. 8B, and FIG. 8H is a cross-sectional view taken along the line BB shown in FIG. 8B. is there.

Next, FIG. 9 is a perspective view showing an appearance of the cover 1 of the light source storage unit 40 shown in FIG. FIG. 10 is a diagram showing a detailed structure of the cover 1 shown in FIG. 9, wherein FIG. 10 (a) is a side view and FIG. 10 (b) is a top view. FIG. 10C is a partially enlarged view of the Q portion shown in FIG.

[Embodiment 3]
11A is a top view of the lighting device 20 shown in FIG. 1, and FIG. 11B is a cross-sectional view showing the structure of the lighting device 20 according to Embodiment 3 of the present invention. FIG. 11B is a cross-sectional view taken along the line AA shown in FIG.

(Projection)
As shown in FIG. 11B, a protrusion 33 (protrusion) is formed on the surface of the power storage 30 opposite to the side where the light source storage 40 is attached. Thereby, when attaching the surface on the opposite side to the side to which the light source storage part 40 of the power supply storage part 30 is attached to members, such as a ceiling, the unevenness | corrugation of a ceiling can be absorbed by presence of the processus | protrusion 33, for example.

(About wiring holes and mounting holes)
As described above, the wiring hole 36 and the attachment hole 35 are formed in the power storage unit of the lighting device 20. When the projection 33, the wiring hole 36, and the mounting hole 35 described above are provided in the power storage unit 30, for example, the power storage unit passes through the clearance of the ceiling to which the lighting device 20 is mounted and the wiring hole 36 or the mounting hole 35. There is a risk of insects and dust entering the interior of 30. However, since the engagement portion J described above is provided, dust and insects can be prevented from entering the light source storage portion 40 from the inside of the power storage portion 30, so that generation of shadows and the like due to dust and insects is suppressed. be able to.

(About close contact between the chassis and the cover)
Both lower ends of the main body chassis 7 of the power storage unit 30 are in close contact with the upper horizontal surface of the engaging portion J of the cover 1. Further, the position where the engaging portion J exists is inside the lighting device 20, and the engaging portion J is not exposed on the surface. Thereby, it is possible to prevent dust and insects from directly entering from the close contact portion between the light source storage unit 40 and the power supply storage unit 30. Further, since the engaging portion J is formed inside the lighting device 20, even if dust or insects enter the inside of the lighting device 20, the engagement of dust or insects into the light source storage portion 40 is engaged. Since it can block | prevent with the part J, generation | occurrence | production of the shadow etc. resulting from dust and an insect can be suppressed.

[Embodiment 4]
(A) of FIG. 12 is sectional drawing which shows the structure of the light source storage part 40 which concerns on Embodiment 4 of this invention.

(Spring part)
An end portion 51 (movable portion) of the spring portion 5 is bent so as to rise from a fixed portion 52 fixed by a screw 60. In the vicinity of the fixed portion 52, the end portion 51 applies a pressing force (spring force) so as to press the outer end surface of the groove 1a of the cover 1 in the direction of the arrow. The cover 1 is deformed by receiving this pressing force, whereby the groove 1 a is pressed against the protruding piece 3 a of the reflecting plate 3. Thereby, since the ditch | groove 1a press-contacts to the protrusion piece 3a, the motion of the cover 1 with respect to the reflecting plate 3 is suppressed.

Therefore, the play at the engaging portion between the concave groove 1a and the protruding piece 3a can be eliminated, and the reflector 3 is used by using the spring part 5 for connecting and fixing the light source storage part 40 to the power supply storage part 30. The positional relationship between the cover 1 and the cover 1 can be fixed. In other words, the spring part 5 has a function of coupling the light source storage part 40 to the power supply storage part 30 and a function of eliminating rattling of the engaging part. Therefore, it is not necessary to use new parts to realize these functions, and it is possible to reduce costs and work man-hours.

12B is a perspective view showing the arrangement of the spring receiving portion 11 in the main body chassis 7 according to the fourth embodiment of the present invention, and FIG. 12C is a cross-sectional view showing a cross-sectional structure in the vicinity of the release hole 31. FIG. 12D is a cross-sectional view showing another cross-sectional structure in the vicinity of the release hole 31.

In this embodiment, as shown in FIG. 12B, the main body chassis 7 (trough) is connected to the power storage unit 30 and the light source storage unit 40 (or to the spring unit 5 and the spring receiving unit 11). A release hole 31 for releasing is provided. The main body chassis 7 has a fixed plate 7a to which the spring receiving portion 11 is fixed, and side wall plates 7b provided at both side end portions of the fixed plate 7a. The release hole 31 is formed at a side position of the side wall plate 7b where the spring receiving portion 11 is fixed.

As will be described later, the engagement between the spring portion 5 and the spring receiving portion 11 is released simply by inserting a jig from the release hole 31 and pushing the end portion 51 of the spring portion 5. The connection with the light source storage unit 40 can be released. Since the position and direction in which the spring portion 5 is pressed are clearly determined by the release hole 31, good workability can be ensured even near the ceiling surface where the lighting device 20 is installed.

Further, the release hole 31 is formed to be small enough to insert a jig, the lighting device 20 is generally installed away from the user, and the light source storage unit 40 is wider than the power supply storage unit 30. Therefore, even if the release hole 31 is exposed, it is hardly noticeable. Therefore, the appearance of the lighting device 20 is not damaged by the release hole 31.

Further, the release hole 31 and the spring receiving portion 11 are at the same position in the longitudinal direction of the main body chassis 7, and the spring receiving portion 11 is inscribed in the main body chassis 7 as shown in FIG. Has been. In the structure shown in FIG. 12C, the end portion 11a of the spring receiving portion 11 is bent toward the fixing plate 7a at an angle of less than 90 degrees. On the other hand, in the structure shown in FIG. 12D, the end portion 11b of the spring receiving portion 11 is composed of a portion that extends in parallel with the fixing plate 7a and a portion that is bent in the same manner as the end portion 11a. By installing the spring receiving portion 11 in contact with the main body chassis 7, the mechanical strength in the vicinity of the release hole 31 in the main body chassis 7 can be supplemented.

(Combination and release of spring part and spring receiving part)
13A is a view showing a state in which the spring portion 5 and the spring receiving portion 11 are arranged, and FIG. 13B is a view showing the connection of the spring portion 5 to the spring receiving portion 11 and the spring receiving of the spring portion 5. It is a figure which shows the procedure of removal from the part.

As shown in FIG. 13A, the spring receiving portion 11 is formed of a thick metal plate that is wider than the spring portion 5 so as not to be deformed even under the load of the light source storage portion 40. ing.

The coupling of the spring portion 5 to the spring receiving portion 11 and the release thereof are performed as shown in [A] to [D] shown in FIG. First, from the state where the spring part 5 of [A] is separated from the spring receiving part 11, the spring part 5 (light source storage part 40) contacts the spring receiving part 11 (power supply storage part 30) as shown in [B]. In this state, the light source storage unit 40 is further pushed into the power storage unit 30 side. As a result, as shown in [C], the spring portion 5 is combined with the spring receiving portion 11, and the light source storage portion 40 is combined with the power supply storage portion 30. In this state, the end portion 51 of the spring portion 5 is engaged (engaged) with the end portion 11 a of the spring receiving portion 11, so that the spring portion 5 is coupled to the spring receiving portion 11.

Further, in this state, by pushing one end 51 of the spring portion 5 with a jig (pressing as indicated by a white arrow), the end 51 and the end of the spring receiving portion 11 as shown in [D]. The engagement with the portion 11a is released. Further, by disengaging the other end portion 51 and the end portion 11a of the spring receiving portion 11, the spring portion 5 is removed from the spring receiving portion 11 as shown in [A], and the light source storage portion 40 is connected to the power storage portion. 30 is removed.

Although dust and insects may enter the power storage unit 30 from the release hole 31, the provision of the engaging portion J prevents the insects and dust from entering the light source storage unit 40. As a result, it is possible to suppress the occurrence of shadows and the like due to dust and insects related to the quality of the light source of the lighting device 20.

[Embodiment 5]
Next, based on FIG. 14 and FIG. 15, the fixing metal fitting (metal fitting) 15 which concerns on Embodiment 5 of this invention is demonstrated. FIG. 14 is a diagram for explaining the fixture 15. FIG. 14A is a cross-sectional view showing the structure of the reflector unit 21 (in the first embodiment) before the fixing bracket 15 is installed. In the reflector unit 21 of Embodiment 1 described above, a structure that can prevent the cover 1 from falling off the reflector plate 3 and falling without fixing the reflector 3 and the cover 1 with screws or the like is employed.

Further, in the reflector unit 21 of the first embodiment, the cover 1 is reflected by the engaging portions J where the protruding pieces 3 a formed at both ends in the short direction of the reflector 3 and the concave grooves 1 a of the cover 1 are coupled to each other. It was possible to slide relative to the plate 3.

Moreover, in the reflecting plate unit 21 of Embodiment 1, the cover 1 can be attached to the reflecting plate 3 by sliding the cover 1 according to the protruding piece 3a of the reflecting plate 3, but FIG. As indicated by the white arrow, if the force is applied to both sides of the cover 1 from the outside, both ends of the cover 1 in the short direction may be pushed, and the engagement state of the engagement portion J may be released. There is.

In order to reduce this possibility, by installing the spring part 5 (for coupling the light source storage part 40 and the power supply storage part 30) shown in the above-described embodiment 4, the outside working on both ends of the cover 1 is installed. However, since the spring part 5 is provided with only about three places on the reflector 3, if a force is applied at a place other than the place where the spring part 5 is installed, the engagement state of the engagement part J May be released (the cover 1 may be detached from the reflector 3).

Therefore, in order to solve the above problems, in the present embodiment, as shown in FIG. 14B, the back surface of the reflector 3 [the surface opposite to the surface on which the LED mounting substrate 4 is installed; The fixture 15 is fitted on the side (see FIG. 5A).

As shown in FIGS. 14 (b) and 14 (c), the fixing bracket 15 is a contact piece that comes into contact with the opposing surface SUF2 that faces the bottom surface SUF1 located at the bottom of the concave groove 1a formed at both ends of the cover 1. 15a is provided at both ends. The fixing bracket 15 prevents the engagement portion J from being released by the force with which the contact piece 15a presses the opposing surface SUF2. By providing the fixing bracket 15 in this way, the force acting from the outside on both ends of the cover 1 can be suppressed, and there is no fear of the cover 1 coming off during construction. As a result, the durability of the lighting device 20 (light source unit) is eliminated. Will improve.

Next, as shown in FIGS. 14B and 14C, in order to facilitate the installation of the fixing bracket 15, the reflecting plate is placed on the side that contacts the facing surface SUF of the contact piece 15 a of the fixing bracket 15. It is preferable to form the insertion convex part 15b (dwelling) inserted in the clearance gap C which exists in the both ends of 3. FIG. Thus, by providing the fitting projections 15b at both ends of the fixing bracket 15, the fitting projections 15b are present at both ends of the reflecting plate 3 by pushing the fixing fitting 15 toward the reflecting plate 3 when the fixing fitting 15 is installed. The fixing metal 15 can be installed without using a screw by entering the gap C to be prevented from being removed.

Next, FIG. 15 is a diagram for explaining the installation location of the fixing bracket 15 on the reflector 3. FIG. 15A shows the reflecting plate 3 after the fixing bracket 15 is installed. FIG. 15B is a view showing notched holes formed in the reflecting plate 3. 15C shows a state in which the hole is closed with an insulating tape or the like, and FIG. 15D shows a state in which the hole is closed with the fixing bracket 15. As shown in the figure, the fixture 15 is preferably arranged at a position to close the hole formed in the reflecting plate 3. Thereby, the hole formed in the reflecting plate 3 can be closed with the fixing bracket 15 without using an insulating tape or the like. When fixing the LED mounting substrate 4 to the reflecting plate 3, it was necessary to provide a notch in the reflecting plate 3 and seal it with insulating tape or the like in order to close the hole of the notch. In this case, the tape can be sealed, and the tape sealing can be abolished.

In Embodiments 1 to 4 described above, screws and bushes are used when the LED mounting substrate 4 is fixed to the reflecting plate 3, but as shown in FIG. The LED mounting substrate 4 may be fixed to the reflection plate 3 by twisting. FIG. 16 is a diagram for explaining notches and notch holes formed in the reflecting plate 3. 16A shows the state of the back side of the reflector 3 (the surface opposite to the side on which the LED mounting substrate 4 is installed), and FIG. 16B shows the front side of the reflector (LED mounting). The state of the surface on the side where the substrate 4 is installed is shown. FIG. 16C shows a state where notches are provided and the LED mounting substrate 4 is fixed to the reflecting plate 3. By installing the notches and the notch holes as described above, the effect of reducing parts can be obtained as compared with the case of using screws or the like. In addition, when a screw is used, the head of the screw pops out on the back side of the reflecting plate 3, so it is necessary to provide a space for that, and as a result, the height of the instrument increases, whereas the reflecting plate 3 is notched. When the is provided, it is possible to reduce the thickness without using screws. Therefore, when there is a notch hole formed in the reflecting plate 3, it can be sealed with the fixing bracket 15 as described above.

As described above, by adding the fixing bracket 15,
(1) The possibility that the engagement state of the engagement portion J of the reflector unit 21 is released can be suppressed, and the reliability and workability are improved. The fixture 15 can be easily installed and the cost can be reduced.
(2) The hole of the reflecting plate 3 can be closed by the fixing bracket 15.

[Summary]
The reflector unit (21) according to the first aspect of the present invention includes a reflector (3) that reflects light emitted from a light source, and a light source mounting substrate (LED mounting) on which the light source (LED 4a) of the reflector is mounted. A cover unit (1) covering a side to which the substrate 4) is fixed, and at both ends of the reflector plate facing each other, along the substrate surface of the light source mounting substrate, And the protrusion piece (3a) which protrudes toward the center of the said reflecting plate is formed, and it is along the board | substrate surface of the said light source mounting board | substrate at the mutually opposing both ends of the said cover, and the outer side of the said reflecting plate. A concave groove (1a) extending in the opposite direction is formed, and an engaging portion (J) is provided in which the protruding piece and the concave groove are engaged with each other by fitting the protruding piece into the concave groove. It is the composition which is.

According to the above configuration, the projecting piece is fitted into the concave groove so that the projecting piece and the concave groove are engaged with each other. In addition, the direction in which the protruding piece protrudes is along the substrate surface of the light source mounting substrate and toward the center of the reflector, and the direction in which the groove extends is along the substrate surface of the light source mounting substrate. And it is the direction which faces the outer side of a reflecting plate. For this reason, the relative movement of the reflector and the cover in the direction perpendicular to the substrate surface of the light source mounting substrate is limited by the engaging portion. Thereby, it can prevent that a cover remove | deviates from a reflecting plate, and falls in the direction perpendicular | vertical to the board | substrate surface of a light source mounting board | substrate. Moreover, according to the said structure, it is not necessary to fix a reflecting plate and a cover with a screw | thread etc., and an operation man-hour can be reduced. As described above, it is possible to prevent the cover from being detached from the reflecting plate and falling without fixing the reflecting plate and the cover with screws or the like.

In the reflection plate unit according to aspect 2 of the present invention, in the aspect 1, the protruding piece is formed by bending each of the both ends of the reflection plate in a direction toward the center of the reflection plate. The groove is preferably formed by bending each of the both ends of the cover in a direction toward the outside of the reflector. According to the above configuration, the protruding piece and the concave groove are formed by bending the opposite ends of the reflecting plate and the opposite ends of the cover so as to face each other. For this reason, when the protruding piece and the concave groove are engaged with each other, the surface of the engaging portion can be prevented from being exposed. For this reason, it is possible to prevent dust and insects from directly entering through the engaging portion.

An illumination device according to aspect 3 of the present invention includes the reflector unit of

aspect

1 or 2 described above, and stores a light source storage unit (40) that stores the light source, and a power source unit that is attached to the light source storage unit. A lighting device (20) including a power storage unit (30), wherein a projection (projection 33) is formed on the surface of the power storage unit opposite to the side on which the light source storage unit is attached. It is preferable. According to the said structure, when attaching the surface on the opposite side to the side in which the light source storage part of a power storage part is attached to members, such as a ceiling, for example, the unevenness | corrugation of a ceiling can be absorbed by presence of a projection part.

In the lighting device according to aspect 4 of the present invention, in the above aspect 3, the power storage unit is formed with wiring holes (wiring holes 36) and mounting holes (mounting holes 35). Also good. When the projection, the wiring hole, and the mounting hole described above are provided in the power storage part, for example, the power supply is passed through the ceiling gap where the lighting device is mounted and the wiring hole or the mounting hole. There is a risk of insects and dust entering the storage. However, by providing the above-described engagement portion, it is possible to prevent dust and insects from entering the light source storage portion from the inside of the power supply storage portion, and thus it is possible to suppress the occurrence of shadows due to dust and insects. .

The lighting device according to aspect 5 of the present invention includes the side cover (2) that covers each of opposite ends of the reflector unit according to the

aspect

3 or 4, and the side cover includes an inner peripheral portion of the cover. It is preferable to have a structure inscribed in (12). According to the above configuration, when the side cover is attached to each of both ends of the reflector unit, the side cover is inscribed in the inner peripheral portion of the cover. For this reason, it is possible to prevent dust and insects from directly entering from the contact portion between the side cover and the inner peripheral portion of the cover.

The illumination device according to aspect 6 of the present invention is the illumination device according to any one of the above aspects 3 to 5, wherein the light source storage unit is attached in close contact with the power supply storage unit, and the engagement unit is disposed inside the illumination device. Preferably it is formed. According to the above configuration, dust and insects can be prevented from entering directly from the close contact portion between the light source storage unit and the power supply storage unit. Further, since the engaging portion is formed inside the lighting device, even if dust or insect enters the inside of the lighting device, the engaging portion can prevent entry of dust or insect into the light source storage portion. Therefore, it is possible to suppress the occurrence of shadows due to dust and insects.

The lighting device according to aspect 7 of the present invention is the lighting apparatus according to any one of the above aspects 3 to 6, wherein the light source storage unit is engaged with the spring unit and the spring unit (5) for fixing the light source storage unit to the power source storage unit. A spring receiving portion (11), and the spring portion is provided on a surface of the reflector opposite to a surface to which the light source mounting substrate is fixed, and the spring receiving portion is the power storage unit. Even if a release hole (31) for releasing the engagement between the spring part and the spring receiving part by inserting a jig is provided in the power storage part. good. According to the said structure, a jig | tool can be inserted from a cancellation | release hole and the connection of a power storage part and a light source storage part can be cancelled | released easily.

The lighting device according to aspect 8 of the present invention is the lighting device according to any one of the above aspects 3 to 7, wherein the contact piece is in contact with a facing surface facing the bottom surface located at the bottom of the concave groove formed at both ends of the cover. Are preferably provided at both ends, and provided with a metal fitting that prevents the engagement portion from being released by the force with which the abutting piece pushes the opposing surface. According to the said structure, by providing a metal fitting, the force which acts on the both ends of a cover from the outside can be suppressed, and there is no fear of a cover removal, As a result, durability of an illuminating device can be improved.

The lighting device according to aspect 9 of the present invention is the above-described aspect 8, wherein the fitting protrusion is fitted into the gap between the both ends of the reflector on the side of the metal piece that contacts the facing surface of the contact piece. Is preferably formed. According to the above configuration, by providing the insertion convex portions on the contact pieces at both ends of the metal fitting, when the metal fitting is pushed in, the insertion convex portion enters the gap existing at both ends of the reflecting plate, and does not come off. The metal fittings can be installed without using screws.

In the lighting device according to aspect 10 of the present invention, in the

above aspect

8 or 9, it is preferable that the metal fitting is disposed at a position closing a hole formed in the reflection plate. According to the said structure, the hole formed in the reflecting plate can be block | closed with metal fittings, without using an insulating tape etc.

[Another expression of the present invention]
The present invention can also be expressed as follows. In other words, an illumination device according to one embodiment of the present invention includes a power storage unit that is attached to a member and stores a power supply unit, and a light source storage unit that is attached to the power supply storage unit and stores a plurality of LEDs. The light source storage unit includes an LED mounting board on which the plurality of LEDs are mounted, a reflecting plate that fixes the LED mounting board and reflects light emitted from the plurality of LEDs, and the LED mounting board. A cover for covering the light source, a side cover for covering one end and the other end of the light source storage unit, the reflection plate, and the cover, respectively, engaging the reflection plate and the cover, and relative to the reflection plate. An engaging portion that can be slid on the reflecting plate, and the engaging portion is provided on the reflecting plate and is formed on the member so as to protrude in a horizontal direction and inward of the reflecting plate. With a single piece Even if it is the structure provided with the engagement female groove formed in the above-mentioned cover, and being formed in the above-mentioned member in the horizontal direction and the outside direction of the above-mentioned cover, and engaging with the above-mentioned engagement male piece good. As a result, the translucent cover can be prevented from falling and dust and insects can be prevented from entering the light source storage portion.

In addition to the above configuration, the lighting device according to another aspect of the present invention may include a first protrusion that is mounted on the member, on the member facing surface of the power storage unit. Thereby, the 1st projection part is provided in the surface of a power storage part, and the unevenness | corrugation of a member (ceiling) can be absorbed.

In addition to the above configuration, the lighting device according to still another aspect of the present invention may include a wiring hole and a ceiling mounting hole.

In addition to the above-described configuration, the lighting device according to another aspect of the present invention is configured such that the engaging male piece is formed by bending from one end to the other end in the longitudinal direction of the reflecting plate. The groove is preferably formed by bending from one end to the other end in the longitudinal direction of the cover. Thereby, both the engaging male piece and the engaging female groove are formed by bending, and the surface of the engaging portion is not exposed, so there is no possibility that dust and insects will directly enter.

In addition to the above-described configuration, the lighting device according to still another aspect of the present invention preferably includes a structure in which the side cover is inscribed in the inner periphery of the cover. This can prevent dust and insects from entering.

In addition to the above-described configuration, the illumination device according to another aspect of the present invention is attached in close contact with the light source storage portion, and the engagement portion is formed inside the device. It is preferable. Thereby, the engaging part is not exposed on the surface, and the engaging part is formed inside the lighting device. For this reason, there is no possibility of dust and insects entering directly.

[Additional Notes]
The present invention is not limited to the above-described embodiments, and various modifications are possible within the scope shown in the claims, and embodiments obtained by appropriately combining technical means disclosed in different embodiments. Is also included in the technical scope of the present invention. Furthermore, a new technical feature can be formed by combining the technical means disclosed in each embodiment.

The present invention relates to a reflector unit comprising: a reflector that reflects light emitted from a light source; and a cover that covers a side on which a light source mounting substrate on which the light source of the reflector is mounted is fixed; and the reflector It can utilize for the illuminating device provided with the unit.

DESCRIPTION OF SYMBOLS 1 Cover 1a Groove | groove 2 Side cover 3 Reflector 3a Protruding piece 4 LED mounting board (light source mounting board)
4a LED (light source)
5 Spring part 11 Spring receiving part 12 Inner peripheral part 15 Fixing bracket (metal fitting)
15a Contact piece 15b Insertion convex part 20 Illuminating device 21 Reflector unit 30 Power supply storage part 31 Release hole 33 Protrusion (protrusion part)
35 Mounting hole (Mounting hole)
36 Wiring hole (Hole for wiring)
40 Light source storage portion C Clearance J Engagement portion SUF1 Bottom surface SUF2 Opposing surface

Claims

A reflector unit comprising: a reflector that reflects light emitted from a light source; and a cover that covers a side of the reflector on which a light source mounting substrate on which the light source is mounted is fixed;
Projecting pieces that protrude along the substrate surface of the light source mounting substrate and toward the center of the reflecting plate are formed on both ends of the reflecting plate facing each other,
A concave groove extending along the substrate surface of the light source mounting substrate and extending toward the outside of the reflecting plate is formed on each of the opposite ends of the cover.
A reflecting plate unit comprising an engaging portion in which the protruding piece and the concave groove are engaged with each other by fitting the protruding piece into the concave groove.
The protruding piece is formed by bending each of the both ends of the reflecting plate in a direction toward the center of the reflecting plate,
2. The reflector unit according to claim 1, wherein the concave groove is formed by bending each of the both ends of the cover in a direction toward the outside of the reflector.
An illumination device comprising: a light source storage unit that includes the reflector unit according to claim 1 and that stores the light source; and a power supply storage unit that is attached to the light source storage unit and stores a power supply unit. And
A projection device is formed on a surface of the power storage unit opposite to the side on which the light source storage unit is attached.
A side cover that covers each of the opposite ends of the reflector unit;
The lighting device according to claim 3, wherein the side cover has a structure inscribed in an inner peripheral portion of the cover.
The light source storage unit is attached in close contact with the power storage unit,
The lighting device according to claim 3, wherein the engaging portion is formed inside the lighting device.
The cover is provided at both ends with a contact piece that contacts a facing surface facing the bottom surface of the cover, which is located at the bottom of the concave groove formed at the both ends of the cover, and the engagement portion is pressed by a force by which the contact piece presses the facing surface. The lighting device according to claim 3, further comprising a metal fitting that prevents the engagement state from being released.
The fitting convex part fitted in the clearance gap which exists in the said both ends of the said reflecting plate is formed in the side contact | abutted to the said opposing surface of the said contact piece of the said metal fitting, The projection convex part of Claim 6 characterized by the above-mentioned. Lighting device.
The lighting device according to claim 6 or 7, wherein the metal fitting is disposed at a position for closing a hole formed in the reflection plate.