CN110529751B - LED light source unit, main body unit, and LED lighting fixture - Google Patents

Abstract

The invention provides an LED light source unit, a main body unit and an LED lighting fixture, which can restrain the sound generated when lighting or extinguishing and can reduce the heat generated when lighting. The LED light source unit (1000) is characterized in that the LED light source unit comprises a pair of extension areas (33) formed by extending two edge parts of a cover member (30) in the short side direction (X) more outwards than two openings of a concave part of a main body unit, and when in use, a gap (50) is arranged at least partially between at least one of the two opening edge parts and the extension area (33) of the cover member (30) corresponding to the opening edge part.

Description

LED light source unit, main body unit, and LED lighting fixture

The present application is a divisional application of an application entitled "LED light source unit, body unit, and LED lighting fixture" filed on 21/3/2016 under the name of 201610160948.2.

Technical Field

The invention relates to an LED light source unit, a main body unit and an LED lighting fixture.

Background

As a ceiling-mounted lighting fixture, there is generally known a lighting fixture including a long fixture body having a recess at a substantially center thereof and a light source unit attached to the recess of the fixture body. The light source unit includes, for example, a light source and a mounting portion. The light source of the light source unit is housed inside the appliance main body by attaching the attachment portion of the light source unit to the recess of the appliance main body. As the ceiling-direct-mount type lighting fixture, for example, an LED (light emitting diode) lighting fixture described in patent document 1 is cited.

In the LED lighting device described in patent document 1, the light source unit further includes a cover member. The cover member includes a pair of protruding wall portions for attachment to the attachment portion and a pair of extending portions extending outward from the pair of protruding wall portions. In a state where the light source unit is disposed in the recess of the device body, the pair of extending portions overlap with the opening end edges of the recess so as not to generate a gap in a direction orthogonal to the longitudinal direction and the width direction of the device body. In the LED lighting fixture described in patent document 1, since no gap is formed between the cover member and the recess, the light source unit does not become dark in a stripe shape due to the gap when turned on, and the appearance is good.

Documents of the prior art

Patent document

Patent document 1: japanese patent No. 5492344

However, the LED lighting fixture described in patent document 1 has the following problems. First, when lighting, it is difficult to reduce heat generation from the LED or the power supply unit housed in the recess of the fixture body. Further, when the light is turned on or off, a sound is generated on a contact surface between the appliance main body and the cover member.

Disclosure of Invention

Therefore, an object of the present invention is to provide an LED light source unit, a main body unit, and an LED lighting fixture, which can suppress noise generated when lighting or turning off and can reduce heat generation when lighting.

In order to achieve the above object, an LED light source unit according to the present invention includes an LED mounting board on one surface of which an LED is mounted, a mounting member that is a mounting member for a main unit having a recess capable of accommodating the mounting member and is disposed on a surface of the LED mounting board opposite to a mounting surface, and a cover member that is a cover member for the LED mounting board and has a pair of extension regions formed by a pair of edge portions of the cover member in a short side direction extending outward in the short side direction than an opening of the recess of the main unit, the mounting member being accommodated in the recess of the main unit when in use, the cover member being disposed so as to cover the mounting surface of the LED mounting board and the opening of the recess of the main unit in a vertical direction perpendicular to the mounting surface of the LED mounting board, a pair of opening edge portions in a short side direction of the recess of the main body unit and a pair of extension regions of the cover member facing the pair of opening edge portions are respectively overlapped in a long side direction in a vertical direction perpendicular to the mounting surface of the LED mounting board, and a gap is provided at least partially between at least one of the pair of opening edge portions and the extension region of the cover member facing the opening edge portion.

The main body unit of the present invention has a recess for mounting an LED light source unit, and is characterized in that the LED light source unit mounted on the main body unit includes an LED mounting board, a mounting member, and a cover member, the LED mounting board is a board on one surface of which an LED is mounted, the mounting member is a mounting member for the main body unit having the recess capable of accommodating the mounting member and is disposed on a surface of the LED mounting board opposite to a mounting surface, the cover member is a cover member for the LED mounting board and has a pair of extension regions formed by a pair of edge portions in a short side direction extending outward in the short side direction than an opening of the recess of the main body unit, the mounting member is accommodated in the recess of the main body unit when in use, and the cover member is disposed so as to cover the mounting surface of the LED mounting board in a vertical direction perpendicular to the mounting surface of the LED mounting board to cover the mounting surface of the LED mounting board to thereby to cover the mounting surface of And an opening of the recess of the main body unit, wherein a pair of opening edge portions in a short-side direction of the recess of the main body unit and a pair of extension regions of the cover member facing the pair of opening edge portions overlap each other in a long-side direction in a vertical direction perpendicular to a mounting surface of the LED mounting board, and a gap is provided at least partially between at least one of the pair of opening edge portions and the extension region of the cover member facing the opening edge portion.

An LED lighting fixture according to the present invention is characterized by comprising an LED light source unit including an LED mounting board, a mounting member, and a cover member, the LED mounting board being a board on one surface of which an LED is mounted, the mounting member being a mounting member for a main unit having a recess capable of accommodating the mounting member and being disposed on a surface of the LED mounting board opposite to a mounting surface, the cover member being a cover member for the LED mounting board and having a pair of extension regions formed by a pair of edge portions of the cover member in a short side direction extending outward in the short side direction than an opening of the recess of the main unit, and the main unit having a recess for mounting the LED light source unit, and a main body unit, the mounting member of the LED light source unit being accommodated in the recess of the main unit in use, the cover member is disposed so as to cover the mounting surface of the LED mounting board and the opening of the recess of the main body unit in a vertical direction perpendicular to the mounting surface of the LED mounting board, a pair of opening edge portions in a short-side direction of the recess of the main body unit and a pair of extension regions of the cover member opposed to the pair of opening edge portions are respectively overlapped in a long-side direction in the vertical direction perpendicular to the mounting surface of the LED mounting board, and a gap is provided at least partially between at least one of the pair of opening edge portions and the extension region of the cover member opposed thereto.

According to the present invention, it is possible to provide an LED light source unit, a main body unit, and an LED lighting fixture, which can suppress noise generated when lighting or turning off, and can reduce heat generation when lighting.

Drawings

Fig. 1 is a perspective view showing an example of an LED lighting fixture according to embodiment 1, as viewed from below.

Fig. 2(a) and 2(b) are a perspective view from below and a perspective view from above showing an example of the LED light source unit according to embodiment 1.

Fig. 3 is a perspective view showing an example of the mounting member according to embodiment 1.

Fig. 4 is a perspective view showing an example of the main body unit according to embodiment 1, as viewed from below.

Fig. 5 is a perspective view showing an example of the LED lighting fixture according toembodiment 2, as viewed from below.

Fig. 6 is a perspective view showing an example of a side cover according to embodiment 3.

Fig. 7(a) is a perspective view showing an example of the LED light source unit to which the pair of side covers of fig. 6 is attached, as viewed from above, and fig. 7(b) is a perspective view showing an example of the LED lighting fixture in which the LED light source unit of fig. 7(a) is attached to the main body unit, as viewed from below.

Fig. 8(a) is a perspective view showing another example of the side cover of embodiment 3 on the left side, and an LED light source unit to which the side cover is attached is viewed from above on the right side. Fig. 8(b) is a perspective view showing another example of the side cover of embodiment 3 on the left side, and a perspective view showing the LED light source unit to which the side cover is attached as viewed from above on the right side.

Fig. 9 is a perspective view showing another example of the side cover of embodiment 3 and a cross-sectional view in the short side direction of the LED lighting fixture to which a pair of the side covers are attached.

Fig. 10 is a perspective view showing an example of the LED lighting fixture according to embodiment 4, as viewed from below.

Fig. 11 is a perspective view showing an example of the LED lighting fixture according to embodiment 5, as viewed from below.

Detailed Description

The LED light source unit of the present invention and the main body unit of the present invention are characterized in that, in each use, a pair of opening edge portions in a short side direction of the recess of the main body unit and a pair of extension regions of the cover member opposed to the pair of opening edge portions overlap each other in a long side direction in a vertical direction perpendicular to the mounting surface of the LED mounting board, and a gap is provided between at least one of the pair of opening edge portions and the extension region of the cover member opposed thereto at least in part. The LED lighting device of the present invention includes an LED light source unit and a main body unit, wherein, in use, a pair of opening edge portions in a short-side direction of a recess of the main body unit and a pair of extension regions of the cover member facing the pair of opening edge portions are respectively overlapped in a long-side direction in a vertical direction perpendicular to a mounting surface of the LED mounting board, and a gap is provided at least partially between at least one of the pair of opening edge portions and the extension region of the cover member facing the opening edge portion.

Therefore, the LED lighting device including the LED light source unit of the present invention is described in detail below with reference to the drawings, with embodiments 1 to 3 being LED lighting devices including the LED light source unit of the present invention, and embodiments 4 to 5 being LED lighting devices including the main unit of the present invention. However, the present invention is not limited to the following description. In fig. 1 to 11, the same components are denoted by the same reference numerals and the description thereof may be omitted. In the drawings, the structures of the respective portions are simplified as appropriate for convenience of explanation, and the dimensional ratios of the respective portions may be schematically shown differently from the actual ones.

Hereinafter, "in use" refers to, for example, when the LED light source unit is attached to the main body unit and used as an LED lighting fixture.

Hereinafter, in fig. 1 to 11, the near-front direction of the paper surface in the longitudinal direction Y is referred to as "front", and the far-side direction is referred to as "rear".

[ embodiment 1]

[ LED Lighting apparatus ]

Fig. 1 is a perspective view of an example of an LED lighting fixture according to the present embodiment as viewed from below. TheLED lighting fixture 1000 includes, as main components, the LEDlight source unit 100 and themain body unit 200 of the present invention. The LEDlight source unit 100 is characterized in that the pair ofextension regions 33 of thecover member 30 have theconvex portions 35 so as to form a gap between the pair of opening edge portions L of themain body unit 200 and theextension regions 33 of thecover member 30 opposed thereto. Hereinafter, the structure of the LEDlight source unit 100 is first explained, and then the structure of themain body unit 200 is explained. Further, an LED light source unit described hereinafter is also a description of the LED light source unit of the present invention.

[ LED light source Unit ]

Fig. 2(a) and 2(b) are a perspective view from below and a perspective view from above, respectively, showing an example of the LED light source unit of the present embodiment. The LEDlight source unit 100 is the same as the LEDlight source unit 100 of fig. 1. The LEDlight source unit 100 includes the LED-mountedsubstrate 10, themounting member 20, and thecover member 30 as main components, and includes thepower supply unit 40 as an arbitrary component.

(1) LED assembly substrate

TheLED mounting substrate 10 is a substrate having an LED11 mounted on one surface (mounting surface) 12. In the LED-mountedsubstrate 10, the plurality ofLEDs 11 are mounted on themounting surface 12 of the substrate, but in the present embodiment, the number ofLEDs 11 is not limited thereto, and may be one. The LED-mountedboard 10 is connected to thepower supply unit 40 by a power supply connection member such as a wire. In the present embodiment, for example, a connector for electrically connecting the LED-mountedsubstrate 10 and thepower supply unit 40 may be attached to a rear end portion of the LED-mountedsubstrate 10, and the connector may be connected to thepower supply unit 40 by the power supply connecting member.

In the present embodiment, the number of substrates (unit substrates) constituting the LED-mountedsubstrate 10 may be one or more. In the case where the unit substrates are plural, the LED-mountedsubstrate 10 may be configured by connecting the unit substrates to each other via a connecting member such as a connector in the longitudinal direction Y of the LED-mountedsubstrate 10, for example.

(2) Mounting component

The mountingmember 20 is a mounting member for a main unit having a recess capable of accommodating the mountingmember 20. The mountingcomponent 20 is disposed on the surface of the LED-mountedsubstrate 10 opposite to the mountingsurface 12.

The structure of the mountingmember 20 shown in fig. 2(a) and 2(b) will be described with reference to fig. 3. Fig. 3 is a perspective view showing an example of the mountingmember 20. The mountingmember 20 shown in fig. 3 is composed of a pair ofbottom portions 21, a pair ofside wall portions 22, and abase portion 23. Thebase portion 23 is connected to each of thebottom portions 21 of the pair of bottom portions by the pair ofside wall portions 22. Eachbottom portion 21 is provided with ascrew fastening hole 24 for fixing to theLED mounting substrate 10. Thereby, the LED-mountedsubstrate 10 is mounted on the mountingcomponent 20 using a fixing member such as a screw. Eachside wall portion 22 is provided with one lockinghole 25, and thebase portion 23 is provided with two locking holes 26. These locking holes 25 and 26 are locking holes for leaf spring-shaped locking pieces provided on the main unit side described later. As shown in theLED lighting fixture 1000 of fig. 1, the LEDlight source unit 100 is attached to themain body unit 200 by the plate spring-like locking pieces being locked in the locking holes 25 and 26. In this case, as shown in fig. 1, the mountingmember 20 is housed in a recess of themain unit 200.

(3) Cover component

Thecover member 30 is a cover member for theLED mounting substrate 10. In use, thecover member 30 is disposed to cover the mounting surface of the LED-mountedsubstrate 10 and the opening of theconcave portion 211 of themain unit 200 in the vertical direction Z perpendicular to the mountingsurface 12 of the LED-mountedsubstrate 10.

Thecover member 30 includes, for example, acover portion 31 that covers the mountingsurface 12 of theLED mounting substrate 10 and arail portion 32 that houses theLED mounting substrate 10. In the present embodiment, therail portion 32 is an arbitrary component, and therail portion 32 may not be provided.

Thecover portion 31 has a pair ofextension regions 33 formed by extending both edge portions H of thecover member 30 in the short direction X outward in the short direction X from the opening of theconcave portion 211 of themain unit 200 shown in fig. 4 described later.

The pair ofextension regions 33 each have 5convex portions 35 in the vertical direction Z perpendicular to the mountingsurface 12 of the LED-mountedsubstrate 10 toward the opening edge portion L of themain body unit 200. In use, the pair of opening edge portions L in the short-side direction X of theconcave portion 211 of themain unit 200 and theconvex portions 35 of the pair ofextension regions 33 of thecover member 30 facing the pair of opening edge portions L overlap each other in the longitudinal direction Y in the vertical direction Z perpendicular to the mountingsurface 12 of the LED-mountedsubstrate 10. In this case, as shown in fig. 1, a plurality ofgaps 50 are provided between at least one of the pair of opening edge portions L and a region (also referred to as a recessed portion) of theextension region 33 of thecover member 30 opposed thereto, which region does not have theconvex portion 35.

As described above, theLED lighting fixture 1000 has a plurality ofgaps 50, but in the present embodiment, the number ofgaps 50 is not limited to this, and may be one. In theLED lighting fixture 1000 shown in fig. 1, thegap 50 is provided between the pair of opening edge portions L and theextension region 33 of thecover member 30 corresponding thereto, but the present embodiment is not limited to this, and for example, thegap 50 may be provided between only one of the pair of opening edge portions L and theextension region 33 of thecover member 30 corresponding thereto.

In the present embodiment, the height of theprojection 35 is not particularly limited, and is, for example, 0.2 to 2.0mm, and the size of theprojection 35 in the width direction is not particularly limited, and is, for example, 0.2 to 5.0 mm. When there are a plurality ofprojections 35, the ratio of the total length of the plurality ofprojections 35 in the width direction to the total length of the extension region of thecover member 30 in the longitudinal direction Y is, for example, 0.02 to 10%. In the present embodiment, the height and width of thegap 50 are set by, for example, setting the height and width of theconvex portion 35.

Eachrail portion 32 is arranged in a standing state with respect to the pair ofextension regions 33. Eachrail portion 32 has agroove 34 therein in the longitudinal direction Y. The LED-mountedsubstrate 10 is slidably inserted into thegroove 34 of eachrail portion 32, for example. In use, as shown in fig. 1, the pair ofrail portions 32 are housed in theconcave portion 211 of themain unit 200.

Thecover member 30 may be configured to transmit the irradiation light from the LED11, or may be configured to diffuse the irradiation light. The material for forming thecover member 30 is not particularly limited, and examples thereof include a transparent polycarbonate, an acrylic resin, and the like.

The shape of thecover portion 31 of thecover member 30 is a substantially inverted trapezoidal shape, but in the present embodiment, the shape of the cover portion is not limited to this as long as it has a pair ofextension regions 33. The shape of the cover portion may be, for example, a substantially convex lens shape, a substantially semicircular shape, a substantially fan-shaped shape, a substantially trapezoidal shape, a substantially rectangular parallelepiped shape, or the like, and may have the above-described shapes as exemplified above.

In the present embodiment, as described above, the pair ofrail portions 32 are arbitrary components as components of thecover member 30, and the pair ofrail portions 32 may be omitted. When thecover member 30 does not include the pair ofrail portions 32, the LED-mountedboard 10 may be disposed on the upper surface of thecover portion 31 and fixed using a fixing member such as a screw, for example.

(4) Power supply unit

As shown in fig. 2(a) and 2(b), thepower supply unit 40 is disposed, for example, at a substantially central portion of the surface of the LED-mountedsubstrate 10 opposite to the mountingsurface 12.

Thepower supply unit 40 includes, for example, a power supply board and a case, and the power supply board is housed in the case. The power supply board is, for example, a board on which circuit components for driving the LED11 are mounted, and the LED11 is driven by electrically connecting thepower supply unit 40 to the LED-mountedboard 10.

(5) Side cover

In the present embodiment, the LEDlight source unit 100 may include a pair of side covers. The pair of side covers are side covers of the substrate for thecover member 30 and the LED-mountedsubstrate 10, respectively, and have insertion portions into which the end portions in the longitudinal direction Y of thecover member 30 and the substrate are inserted. In use, thecover member 30 and the two ends of the base plate in the longitudinal direction Y are inserted into the pair of side covers, respectively.

[ Main body Unit ]

Next, amain body unit 200, which is a component of theLED lighting fixture 1000 of the present embodiment, will be described with reference to fig. 4. Thebody unit 200 is the same as thebody unit 200 of fig. 1.

Themain body unit 200 includes, for example, amain body plate 210 and a pair of plate spring-like locking pieces 220.

Themain body plate 210 has, for example, arecess 200 extending in the longitudinal direction Y and an inclined surface extending in the longitudinal direction Y and connected to therecess 200. The cross-sectional shape of therecess 200 in the width direction is concave, and the cross-sectional shape of the inclined surface in the width direction is tapered so as to expand upward.

The plate spring-like locking pieces 220 are attached to the front end side and the rear end side in the longitudinal direction Y of themain body plate 210. The plate spring-like locking piece 220 is formed, for example, in a shape folded back toward the middle of thefront end 222, and has the folded-back end 221. Foldedend 221 has a curved shape. As shown in fig. 1, themain body unit 200 can be mounted to the mountingmember 20 by passing the foldedend portion 221 through the lockinghole 26 of thebase portion 23 of the mountingmember 20 and passing thetip end portion 222 through the lockinghole 25 of eachside wall portion 22 to lock the leaf spring-like locking piece 220 to the mountingmember 20.

Themain body plate 210 and the plate spring-like locking piece 220 are formed by, for example, bending a metal plate and removing unnecessary portions.

In themain body unit 200, for example, a hole (not shown) is provided in thebottom surface 213 of theconcave portion 211 of themain body plate 210, a hanger bolt provided in the ceiling material is inserted through the hole, and a fixing member such as a nut is screwed into the hanger bolt to fix themain body unit 200 to the ceiling material.

Themain body unit 200 may further include a terminal base as a component. The terminal base is disposed on, for example, abottom surface 213 of theconcave portion 211 of themain body plate 210. In order to supply power to thepower supply unit 40, a power supply line exposed to the ceiling material side may be connected to the terminal base, and an electric wire electrically connected to thepower supply unit 40 may be further connected thereto.

A method of attaching the LEDlight source unit 100 shown in fig. 2(a) and 2(b) to themain body unit 200 shown in fig. 4 and installing theLED lighting fixture 1000 of fig. 1 will be described below. As described above, the foldedend portions 221 of the leaf spring-shapedlocking pieces 220 provided at the front end portion and the rear end portion of themain unit 200 are inserted through the locking holes 26 of thebase portion 23 of the mountingmember 20, and thefront end portions 222 are inserted through the locking holes 25 of theside walls 22 of the mountingmember 20. Thus, theattachment member 20 is attached to themain unit 200 in a state of being accommodated in theopening 211 of themain unit 200. At this time, the pair of opening edge portions L in the short-side direction X of theconcave portion 211 of themain unit 200 and theconvex portions 35 of the pair ofextension regions 33 of thecover member 30 opposed to the pair of opening edge portions L overlap in the longitudinal direction Y in the vertical direction Z perpendicular to the mountingsurface 12 of the LED-mountedsubstrate 10. Thus, as shown in fig. 1, a plurality ofgaps 50 are provided between the pair of opening edge portions L and the region of theextension region 33 of thecover member 30 opposed thereto, which does not have theprojection 35. In this way, theLED lighting fixture 1000 shown in fig. 1 can be provided by attaching the LEDlight source unit 100 to themain body unit 200.

In the present embodiment, for example, the plate spring-like locking piece 220 may be manually bent to be appropriately adjusted so that the pair of opening edge portions L in the short-side direction X of theconcave portion 211 and the pair ofconvex portions 35 of the pair ofextension regions 33 of thecover member 30 overlap each other.

An example of a method of mounting themain body unit 200 of theLED lighting fixture 1000 of fig. 1 to a ceiling material will be described below. A hanger bolt provided in the ceiling material is inserted through a hole (not shown) provided in thebottom surface 213 of therecess 211 of themain body plate 210 of themain body unit 200, and a fixing member such as a nut is screwed into the hanger bolt to be fixed to the ceiling material. In this way, theLED lighting fixture 1000 of fig. 1 can be attached to a ceiling material.

In a typical LED lighting device, a resin is used as a material for forming the cover member, and a metal is used as a material for forming the device main body. That is, the cover member and the device body are formed of materials having different expansion rates. Therefore, as in the LED lighting fixture described in patent document 1, when the extending portions overlap the opening edge in the orthogonal direction without a gap, a noise due to friction is generated on the contact surface between the fixture main body and the cover member due to a temperature change during lighting or lighting-off.

In contrast, in theLED lighting fixture 1000 shown in fig. 1, as described above, the pair of opening edge portions L overlap the protrudingportions 35 of theextended regions 33 of thecover member 30, and therefore, a plurality ofgaps 50 are provided between the pair of opening edge portions L and theextended regions 33 having no protrudingportions 35. In theLED lighting fixture 1000, since thegap 50 is provided, it is possible to suppress noise generated when thecover member 30 and themain unit 20 rub against each other due to a temperature change during lighting or during lighting-off. Therefore, the LED lighting fixture of the present invention can suppress sound without being affected by the above-described difference in material, for example.

In theLED lighting fixture 1000, since thegap 50 is provided, air flow is generated between the inside and the outside of the opening of theconcave portion 211 of themain body plate 210, and heat generation of the LED11 and thepower supply unit 40 at the time of lighting can be reduced. Therefore, the reduction in the light emission efficiency of the LED11 at high temperatures can be improved. In addition, the problem of failure of the LED11 or thepower supply unit 40 at high temperature can be improved.

[ embodiment 2]

Fig. 5 is a perspective view of an example of the LED lighting fixture according to the present embodiment as viewed from below. TheLED lighting fixture 2000 includes, as main components, the LEDlight source unit 300 and themain body unit 200 of the present invention. The LEDlight source unit 300 is characterized in that the pair ofextension regions 33 of thecover member 30 have spacers 60 so as to form a gap between the pair of opening edge portions L of themain body unit 200 and theextension regions 33 of thecover member 30 opposed thereto. The LEDlight source unit 300 is the same as the LEDlight source unit 100 of fig. 1 except that the pair ofextension regions 33 do not have theconvex portions 35 but have thespacers 60. In addition, themain body unit 200 is the same as themain body unit 200 of fig. 1. TheLED lighting fixture 2000 is the same as theLED lighting fixture 1000 of fig. 1 except for the above. The LED light source unit described below is also a description of the LED light source unit of the present invention.

In the LEDlight source unit 300 of theLED lighting fixture 2000 shown in fig. 5, thespacers 60 are arranged at a plurality of locations of the portion of theextension region 33 of thecover member 30 that faces the opening edge portion L of the main unit. In the present embodiment, thespacer 60 may be disposed on at least a part of the opposing portion of theextension region 33 of thecover member 30, and the at least a part does not include the entire opposing portion. Thespacer 60 may be disposed in one or a plurality of portions of the extendingregion 33 of thecover member 30, which face each other.

Examples of thespacer 60 include a tape such as an adhesive tape, a rubber elastic body (elastic body) sheet, and the like. The belt is not particularly limited, and examples thereof include a glass belt, a metal belt, a resin belt, and an elastomer belt. The glass ribbon is, for example, a ribbon formed by weaving glass fibers. Examples of the metal strip include an aluminum strip formed by thinning an aluminum material. Examples of the resin tape include a resin tape made of a fluororesin or the like. Examples of the elastomer tape include a tape made of thermoplastic polyurethane or the like.

The height (also referred to as thickness) of thespacer 60 is not particularly limited, and is, for example, 0.005 to 1.0 mm. The width of thespacer 60 is not particularly limited, and is, for example, 1 to 100 mm. In the present embodiment, the height and width of thegap 50 are set by, for example, setting the height and width of thespacer 60.

In theLED lighting fixture 2000 shown in fig. 5, since the pair of opening edge portions L and thespacers 60 disposed in the pair ofextension regions 33 of thecover member 30 opposed thereto overlap, a plurality ofgaps 50 are provided between the pair of opening edge portions L and the pair ofextension regions 33 in which thespacers 60 are not disposed. In theLED lighting fixture 2000, since thegap 50 is provided, it is possible to suppress noise generated when thecover member 30 and themain unit 200 rub against each other due to a temperature change during lighting or during lighting-off. In theLED lighting fixture 2000, since thegap 50 is provided, a flow of air is generated between the inside and the outside of the opening of theconcave portion 211 of themain body plate 210, and heat generation of the LED11 and thepower supply unit 40 at the time of lighting can be reduced. Therefore, the reduction in the light emission efficiency of the LED11 at high temperatures can be improved. In addition, the problem of failure of the LED11 or thepower supply unit 40 at high temperature can be improved.

In theLED lighting device 2000, a plurality ofgaps 50 are provided between the pair of opening edge portions L and theextension region 33 of thecover member 30 facing the opening edge portions L, in which thespacer 60 is not disposed.

In theLED lighting device 2000, agap 50 is provided between the pair of opening edge portions L and the extendingregion 33 of thecover member 30 facing thereto, in which thespacer 60 is not disposed. However, in the present embodiment, the LED lighting device may have thegap 50 between only one of the pair of opening edge portions L and theextension region 33 of thecover member 30 facing the one of the pair of opening edge portions L, in which thespacer 60 is not disposed.

[ embodiment 3]

Fig. 6 is a perspective view of theside cover 70, fig. 7(a) is a perspective view showing an example of an LED light source unit to which the pair of side covers of fig. 6 are attached, as viewed from above, and fig. 7(b) is a perspective view showing an example of an LED lighting fixture in which the LED light source unit of fig. 7(a) is attached to a main body unit, as viewed from below.

TheLED lighting fixture 3000 includes, as main components, the LEDlight source unit 400 and themain body unit 200 of the present invention. The LEDlight source unit 400 is characterized in that a pair of side covers 70 are provided so as to form a gap between a pair of opening edge portions L of themain body unit 200 and theextension region 33 of thecover member 30 opposed thereto, and a part of each side cover 70 is in contact with the pair of opening edge portions L of themain body unit 200. The LEDlight source unit 400 is the same as the LEDlight source unit 100 of fig. 1, except that thecover member 30 does not have the protrudingportion 35 and also has the pair of side covers 70. In addition, themain body unit 200 is the same as themain body unit 200 of fig. 1. TheLED lighting fixture 3000 is the same as theLED lighting fixture 1000 of fig. 1 except for the above. The LED light source unit described below is also a description of the LED light source unit of the present invention.

The pair of side covers 70 are side covers for thecover member 30 and the substrate of the LED-mountedsubstrate 10, respectively. As shown in fig. 6, each of the pair of side covers 70 has an insertion portion (not shown) into which an end portion in the longitudinal direction Y of thecover member 30 and thesubstrate 10 are inserted, and has at least one gap forming portion in the vertical direction Z perpendicular to the mounting surface of the LED-mountedsubstrate 10, in an upper direction of the insertion portion, toward the opening edge portion L of themain unit 200. Specifically, theside cover 70 of fig. 6 is provided with aconvex portion 71 as a gap forming portion in the short direction X above the insertion portion. In fig. 7(a), the height of the end in the short-side direction X of thecover member 30 inserted into theside cover 70 is represented by H. In fig. 6, the height of the outer side of the end of theside cover 30 in the short direction X is denoted by K, and the height of the inner side is denoted by M. In theside cover 30, the height M of the inner side corresponds to the height H of the end of the cover member, and the insertion portion is provided at a substantially same position. In theside cover 30, a region protruding from the height M on the inner side is thegap forming portion 71.

As shown in fig. 7(a), in use, thecover member 30 and thesubstrate 10 are inserted into the pair of side covers 70 at both ends in the longitudinal direction Y. Thus, the both ends of thelight source unit 400 can be closed, and the space between thecover member 30 and thesubstrate 10 can be hidden (covered) from the outside by theside cover 70. Further, as shown in fig. 7(b), the LEDlight source unit 400 with theside cover 70 attached thereto is attached to themain body unit 200. At this time, the end of theconvex portion 71 of theside cover 70 in the upward direction contacts the opening edge L of themain body unit 200. Specifically, since theside cover 70 is in contact with the longitudinal direction Y end of the recess of the body unit 200 (including the pair of ends in the short direction X) in the vertical direction Z and theprojection 71 of theside cover 70 is formed at a position above the insertion portion of thecover member 30 and thebase plate 10, a gap substantially corresponding to the height (height K-height M or height K-height H) of theprojection 71 of the side cover is formed between the opening edge L and the extendingregion 33 of thecover member 30 facing the opening edge L in the longitudinal direction Y of thecover member 30.

In theLED lighting fixture 3000 shown in fig. 7(b), since thegap 50 is provided, it is possible to suppress noise generated when thecover member 30 and themain unit 200 rub against each other due to a temperature change during lighting or during lighting. Further, since theLED lighting fixture 3000 has thegap 50, a flow of air is generated between the inside and the outside of the opening of theconcave portion 211 of themain body plate 210, and heat generation of the LED11 and thepower supply unit 40 at the time of lighting can be reduced. Therefore, the reduction in the light emission efficiency of the LED11 at high temperatures can be improved. In addition, the problem of failure of the LED11 or thepower supply unit 40 at high temperature can be improved.

The shape of theside cover 70 is not limited to the shape shown in fig. 6, and other shapes may be used that can form a gap between the pair of opening edge portions L and the extendingregion 33 of thecover member 30 facing thereto. Fig. 8(a) and 8(b) show other examples of the side cover. Note that, unless otherwise specified, the side covers are the same as those described above with reference to fig. 6, 7(a), and 7 (b).

Fig. 8(a) is a perspective view showing another example of the side cover, the left side is a perspective view of theside cover 80, and the right side is a perspective view of the LEDlight source unit 400 to which theside cover 80 is attached, as viewed from above. As shown in the left side of fig. 8 a, each of the pair of side covers 80 has an insertion portion (not shown) into which an end portion in the longitudinal direction of thecover member 30 and thesubstrate 10 are inserted, and has agap forming portion 81 extending upward of the insertion portion toward the opening edge L of themain unit 200 in the vertical direction Z perpendicular to the mounting surface of the LED-mountedsubstrate 10. Thegap forming portion 81 in theside cover 80 is described using the right side of fig. 8 (a). In fig. 8(a), the height of the end in the short-side direction X of theside cover 80 is denoted by K, and the height of the end in the short-side direction X of thecover member 30 inserted into theside cover 80 is denoted by H. The end of thecover member 30 in the longitudinal direction is inserted into theside cover 80. Therefore, theside cover 80 has the insertion portion of thecover member 30 at a position corresponding to the height H of thecover member 30. Therefore, in theside cover 80, the region above the height H becomes thegap forming portion 81.

The LEDlight source unit 400 with theside cover 80 attached thereto is attached to themain body unit 200. At this time, the upper end of the side cover 80 contacts the opening edge L of themain body unit 200. Specifically, since theside cover 80 is in contact with the end in the longitudinal direction Y of the recess of the main unit 200 (including the pair of ends in the short direction) in the vertical direction Z and thegap forming portion 81 of theside cover 80 is formed at a position higher than the insertion portion of thecover member 30 and theboard 10, a gap substantially corresponding to the height (height K — height H) of thegap forming portion 81 of the side cover is formed between the opening edge portion L and the extendingregion 33 of thecover member 30 facing the opening edge portion L in the longitudinal direction Y of thecover member 30.

The side cover 80 of fig. 8(a) may have a pair of gap forming portions at the ends in the short direction, instead of having thegap forming portions 81 at the ends in the long direction. This mode is shown in fig. 8 (b). Fig. 8(b) is a perspective view showing another example of the side cover, the left side is a perspective view of theside cover 90, and the right side is a perspective view of the LEDlight source unit 400 to which theside cover 90 is attached, as viewed from above. As shown in the left side of fig. 8 b, each of the pair of side covers 90 has an insertion portion (not shown) into which an end portion in the longitudinal direction Y of thecover member 30 and thesubstrate 10 is inserted, and has two convex portions as a pair ofgap forming portions 91 extending in the vertical direction Z perpendicular to the mounting surface of the LED-mountedsubstrate 10 and toward the opening edge L of themain unit 200 in the upper direction of the insertion portion.

The LEDlight source unit 400 with theside cover 90 attached thereto is attached to themain body unit 200. At this time, the upper end of the side cover 90 contacts the opening edge L of themain body unit 200. Specifically, theside cover 90 is in contact with the longitudinal ends (including the pair of ends in the short direction X) of the recess of themain unit 200 in the vertical direction Z, and thegap forming portion 91 of theside cover 80 is formed at a position higher than the insertion portions of thecover member 30 and thebase plate 10, so that a gap having a height approximately corresponding to thegap forming portion 91 of the side cover is formed between the opening edge L and the extendingregion 33 of thecover member 30 facing the opening edge L in the longitudinal direction Y of thecover member 30.

In the present embodiment, the side cover may further include, for example, a convex portion for insertion into the concave portion of the main body unit. The insertion projection is provided to the side cover, for example, in the following manner: when the cover member on which the side cover is disposed on the main body unit, the insertion projection is inserted into a gap between the inner wall of the recess of the main body unit and the cover member so as to be in contact with both. An example of the side cover is shown in fig. 9. The side cover 90 in fig. 9 is a form in which theside cover 90 in fig. 8(b) further includes a pair ofinsertion projections 92. In fig. 9, the upper view is a perspective view showing an example of theside cover 90, and the lower view is a cross-sectional view showing theLED lighting fixture 3000 provided by attaching the LEDlight source unit 400 to which theside cover 90 is attached to themain body unit 200 in the short direction X. Fig. 9 is the same as fig. 8(b) except that theside cover 90 has aninsertion projection 92.

Theinsertion projection 92 is provided to theside cover 90 in the following manner: when thecover member 30 on which theside cover 90 is disposed on themain unit 200, theinsertion projection 92 is inserted into the gap between the inner wall of the recess of themain unit 200 and therail portion 32 of thecover member 30 in a state of contacting both.

The side cover 90 of fig. 9 is inserted into thesubstrate 10 and thecover member 30 to constitute the LEDlight source unit 400, and when the LED light source unit is attached to themain unit 200, theinsertion projection 91 is inserted into the gap between the inner wall of the recess of themain unit 200 and thecover member 30 in a state of being in contact with both. As a result, as shown in the lower drawing of fig. 9, after the LEDlight source unit 400 is attached to themain body unit 200, the rattling movement of the LEDlight source unit 400 in the short side direction X can be suppressed. Therefore, for example, contact between the side surface of therail portion 32 of the cover member 301 and the side surface of the recess of themain unit 200 due to movement of the LEDlight source unit 400 in the short-side direction X can be avoided, and further influence on heat generation and noise due to the contact can be avoided.

The height of theinsertion projection 91 in the vertical direction Z is not particularly limited, and is, for example, 0.5 to 2.0 mm.

Fig. 9 illustrates an embodiment in which theside cover 90 of fig. 8(b) includes theinsertion projection 91, but the insertion projection can be applied to, for example, not only the type of side cover, but also the side covers of fig. 6 and 8(a), for example.

[ embodiment 4]

Fig. 10 is a perspective view of an example of the LED lighting fixture according to the present embodiment as viewed from below. TheLED lighting fixture 4000 includes, as main components, an LEDlight source unit 500 and amain body unit 600 according to the present invention. Themain body unit 600 is characterized in that the opening edge portion L of theconcave portion 211 has aconvex portion 212 so as to form a gap between the pair of opening edge portions L of themain body unit 600 and theextension region 33 of thecover member 30 facing thereto. The LEDlight source unit 500 is the same as the LEDlight source unit 100 of fig. 1 except that the pair ofextension regions 33 do not have theconvex portions 35. Thebody unit 600 is the same as thebody unit 200 shown in fig. 1, except that it has aconvex portion 212 at an opening edge portion L of theconcave portion 211. TheLED lighting fixture 4000 is the same as theLED lighting fixture 1000 shown in fig. 1 except for the above. The main body unit described below is also a description of the main body unit of the present invention.

Theconvex portion 35 may be, for example, a forged protrusion provided at the opening edge L of themain body unit 600. The swage projections project in the vertical direction Z perpendicular to the mountingsurface 12 of theLED mounting substrate 10. The shape of the forged protrusion is not particularly limited, and examples thereof include a substantially convex lens shape, a substantially semicircular shape, a substantially trapezoidal shape, a substantially rectangular parallelepiped shape, and a substantially triangular shape. The height of the forging protrusion in the vertical direction Z is not particularly limited, and may be, for example, 0.2 to 2.0 mm.

In theLED lighting device 4000, the opening edge portion L of theconcave portion 211 has theconvex portion 212, and theconvex portions 212 of the pair of opening edge portions L overlap the extendingregion 33 of thecover member 30 facing thereto. TheLED lighting device 4000 has agap 50 between the opening edge portion L having noprojection 212 and the pair ofextension regions 33 of thecover member 30 facing the opening edge portion L. Since theLED lighting fixture 4000 has thegap 50, it is possible to suppress noise generated when thecover member 30 and themain unit 500 rub against each other due to a temperature change during lighting or during lighting-off. Further, since theLED lighting fixture 4000 has thegap 50, a flow of air is generated between the inside and the outside of the opening of theconcave portion 211 of themain body plate 210, and heat generation of the LED11 and thepower supply unit 40 at the time of lighting can be reduced. Therefore, the reduction in the light emission efficiency of the LED11 at high temperatures can be improved. In addition, the problem of failure of the LED11 or thepower supply unit 40 at high temperature can be improved.

In the present embodiment, the number of thegaps 50 is not limited to this, and may be one.

In the present embodiment, theLED lighting device 4000 may have a gap between only one of the pair of opening edge portions L and theextension region 33 of thecover member 30 facing the one of the pair of opening edge portions L.

[ embodiment 5]

Fig. 11 is a perspective view of an example of the LED lighting fixture according to the present embodiment, as viewed from below. TheLED lighting fixture 5000 includes, as main components, an LEDlight source unit 700 and amain body unit 800 of the present invention. Themain body unit 800 is characterized in that the pair of opening edge portions L of themain body unit 800 have thespacers 80 at the opposing portions thereof so as to form a gap between the pair of opening edge portions L and the extendingregion 33 of thecover member 30 opposing thereto. The LEDlight source unit 700 is the same as the LEDlight source unit 100 of fig. 1 except that the pair ofextension regions 33 do not have theconvex portions 35. Themain body unit 800 is the same as themain body unit 200 of fig. 1, except that thespacers 80 are provided at the opposing portions of the pair of opening edge portions L. TheLED lighting fixture 5000 is the same as theLED lighting fixture 1000 of fig. 1 except for the above. The main body unit described below is also a description of the main body unit of the present invention.

In themain unit 800 of theLED lighting device 5000, thespacers 80 are disposed at a plurality of locations on the pair of opening edge portions L that face each other. In the present embodiment, thespacer 80 may be disposed on at least a part of the opposing portions of the pair of opening edge portions L, and the at least a part does not include all of the opposing portions. Thespacer 80 may be disposed in one or a plurality of the opposing portions of the pair of opening edge portions L.

Examples of thespacer 80 include a tape, and examples of the tape include those described inembodiment 2.

In theLED lighting device 5000, thespacers 80 of the pair of opening edge portions L overlap the pair ofextension regions 33 of thecover member 30 facing thereto, and therefore, a plurality ofgaps 50 are provided between the pair of opening edge portions L where thespacers 80 are not disposed and the pair ofextension regions 33 facing thereto. Since theLED lighting fixture 5000 has thegap 50, it is possible to suppress noise generated when thecover member 30 and themain unit 800 rub against each other due to a temperature change during lighting or during lighting-off. Further, since theLED lighting fixture 5000 has thegap 50, a flow of air is generated between the inside and the outside of the opening of theconcave portion 211 of themain body plate 210, and heat generation of the LED11 and thepower supply unit 40 at the time of lighting can be reduced. Therefore, the reduction in the light emission efficiency of the LED11 at high temperatures can be improved. In addition, the problem of failure of the LED11 or thepower supply unit 40 at high temperature can be improved.

In theLED lighting device 5000, a plurality ofgaps 50 are provided between the pair of opening edge portions L where thespacer 80 is not disposed and the pair ofextension regions 33, but in the present embodiment, the number ofgaps 50 is not limited to this, and may be one.

In theLED lighting device 5000, agap 50 is provided between the pair of opening edge portions L and the extendingregion 33 of thecover member 30 facing thereto, in which thespacer 80 is not disposed. However, in the present embodiment, theLED lighting device 5000 may have thegap 50 between only one of the pair of opening edge portions L and theextension region 33 of thecover member 30 facing the one of the pair of opening edge portions L, in which thespacer 80 is not disposed.

In the present invention, the members forming thegap 50 between at least one of the pair of opening edge portions L and the extendingregion 33 of thecover member 30 opposed thereto are not limited to those exemplified in embodiments 1 to 5.

In the present invention, the LED lighting device may include the LED light source units of embodiments 1 to 3 and the main body unit of embodiments 4 to 5.

The LED lighting fixture of the present invention can be used as a ceiling lighting fixture for kitchens, offices, and the like, and can be suitably used as a high ceiling lighting fixture for large-scale spaces such as warehouses, factories, and the like.

In the above, the present invention has been described with reference to the embodiments, but the present invention is not limited to the embodiments. The configuration and details of the present invention can be variously modified within the scope of the present invention, as will be understood by those skilled in the art.

Description of the reference symbols

10 LED mounting substrate

11 LED

12 assembly surface

20 mounting component

21 bottom part

22 side wall part

23 base part

24 screw fastening hole

25. 26 locking hole

30. 70 cover component

31 cover part

32 track part

33. 73 extended area

34 upper surface of the cylinder

40 power supply unit

50 gap

60 strap

74. 212 convex part

100. 300, 400, 500 LED light source unit

200. 600 main body unit

210 main body plate

220 plate spring-shaped locking piece

211 concave part

213 bottom surface

221 fold-back end

1000. 2000, 3000 LED lighting fixtures.

Claims (12)

1. An LED light source unit, characterized in that,

comprises an LED assembling substrate, a mounting component, a cover component and a side cover,

the LED mounting substrate is a substrate having an LED mounted on one surface,

the mounting member is a mounting member for mounting the LED mounting substrate to a main body unit having a recess portion capable of accommodating the mounting member, and has a pair of bottom portions, a base portion, and a pair of side wall portions connecting the pair of bottom portions and the base portion, and the pair of bottom portions are fixedly arranged in the vicinity of both ends in the longitudinal direction of the LED mounting substrate on the surface of the LED mounting substrate on the side opposite to the mounting surface,

the cover member is a cover member for the LED mounting board, and has a pair of extension regions formed by extending a pair of edge portions of the cover member in the short-side direction outward in the short-side direction from the opening of the recess of the main unit,

the side cover forms a gap between a pair of opening edge portions of the main body unit and an extension area of the cover member opposite to the pair of opening edge portions,

when in use, the utility model is used,

the mounting member is received in a recess of the main unit,

the cover member is disposed so as to cover the mounting surface of the LED mounting board and the opening of the recess of the main unit in a vertical direction perpendicular to the mounting surface of the LED mounting board,

a pair of opening edge portions in a short side direction of the recess of the main body unit and a pair of extension regions of the cover member opposed to the pair of opening edge portions are respectively overlapped in a long side direction in a vertical direction perpendicular to a mounting surface of the LED mounting board, and a gap is provided at least partially between at least one of the pair of opening edge portions and the extension region of the cover member opposed thereto,

a portion of each side cover contacts a pair of opening edge portions of the main body unit.

2. The LED light source unit according to claim 1,

at least one extending region of the cover member has at least one convex portion toward the opening edge portion of the main body unit in a vertical direction perpendicular to a mounting surface of the LED mounting substrate.

3. The LED light source unit according to claim 1,

the LED light source unit also has a spacer,

the spacer is disposed on at least a portion of the at least one extending region of the cover member that is opposite to the opening edge portion of the main unit.

4. The LED light source unit according to claim 3,

the spacer is a band.

5. A main body unit of an LED lighting apparatus having a recess for mounting an LED light source unit,

the LED light source unit mounted on the main body unit comprises an LED mounting substrate, a mounting component, a cover component and a side cover,

the LED mounting substrate is a substrate having an LED mounted on one surface,

the mounting member is a mounting member for mounting the LED mounting substrate to a main body unit having a recess portion capable of accommodating the mounting member, and has a pair of bottom portions, a base portion, and a pair of side wall portions connecting the pair of bottom portions and the base portion, and the pair of bottom portions are fixedly arranged in the vicinity of both ends in the longitudinal direction of the LED mounting substrate on the surface of the LED mounting substrate on the side opposite to the mounting surface,

the cover member is a cover member for the LED mounting board, and has a pair of extension regions formed by extending a pair of edge portions in a short-side direction outward in the short-side direction from an opening of the recess of the main unit,

the side cover forms a gap between a pair of opening edge portions of the main body unit and an extension area of the cover member opposite to the pair of opening edge portions,

when in use, the utility model is used,

the mounting member is received in a recess of the main unit,

the cover member is disposed so as to cover the mounting surface of the LED mounting board and the opening of the recess of the main unit in a vertical direction perpendicular to the mounting surface of the LED mounting board,

a pair of opening edge portions in a short side direction of the recess of the main body unit and a pair of extension regions of the cover member opposed to the pair of opening edge portions are respectively overlapped in a long side direction in a vertical direction perpendicular to a mounting surface of the LED mounting board, and a gap is provided at least partially between at least one of the pair of opening edge portions and the extension region of the cover member opposed thereto,

a portion of each side cover contacts a pair of opening edge portions of the main body unit.

6. The body unit of claim 5,

at least one opening edge portion of the concave portion has at least one convex portion toward the extension area of the cover member in a vertical direction perpendicular to a mounting surface of the LED mounting substrate.

7. The body unit of claim 6,

the convex portion is a forged protrusion portion protruding in a vertical direction perpendicular to a mounting surface of the LED mounting substrate.

8. A body unit according to any one of claims 5 to 7,

and a spacer is also arranged on the base plate,

the spacer is disposed in at least a part of at least one opening edge portion of the main unit that is opposite to the extending region of the cover member.

9. The body unit of claim 8,

the spacer is a band.

10. An LED lighting fixture is characterized in that,

comprises an LED light source unit and a main body unit,

the LED light source unit comprises an LED assembling substrate, a mounting component, a cover component and a side cover,

the LED mounting substrate is a substrate having an LED mounted on one surface,

the mounting member is a mounting member for mounting the LED mounting substrate to a main body unit having a recess portion capable of accommodating the mounting member, and has a pair of bottom portions, a base portion, and a pair of side wall portions connecting the pair of bottom portions and the base portion, and the pair of bottom portions are fixedly arranged in the vicinity of both ends in the longitudinal direction of the LED mounting substrate on the surface of the LED mounting substrate on the side opposite to the mounting surface,

the cover member is a cover member for the LED mounting board, and has a pair of extension regions formed by extending a pair of edge portions of the cover member in the short-side direction outward in the short-side direction from the opening of the recess of the main unit,

the side cover forms a gap between a pair of opening edge portions of the main body unit and an extension area of the cover member opposite to the pair of opening edge portions,

when in use, the utility model is used,

the mounting member of the LED light source unit is received in a recess of the main body unit,

the cover member is disposed so as to cover the mounting surface of the LED mounting board and the opening of the recess of the main unit in a vertical direction perpendicular to the mounting surface of the LED mounting board,

a pair of opening edge portions in a short side direction of the recess of the main body unit and a pair of extension regions of the cover member opposed to the pair of opening edge portions are respectively overlapped in a long side direction in a vertical direction perpendicular to a mounting surface of the LED mounting board, and a gap is provided at least partially between at least one of the pair of opening edge portions and the extension region of the cover member opposed thereto,

a portion of each side cover contacts a pair of opening edge portions of the main body unit.

11. The LED lighting apparatus according to claim 10,

the LED light source unit is the LED light source unit of any one of claims 1 to 4.

12. The LED lighting apparatus according to claim 11,

the body unit of any one of claims 5 to 9.

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