CN102893082B - Reflective shade of lamp - Google Patents

Abstract

Provided is a reflective shade of a lamp, wherein a light control operation can be easily performed by a reflective plate, to control the distribution of light; the illumination intensity of a lamp can be improved without increasing power consumption; and the structure is simplified, and the shape is satisfactorily maintained. The reflective shade is disposed around an illumination lamp, and has the shape of a cup, the inner surface of which is a mirror surface. The reflective shade also has two or more inclined peripheral portions, the inclination angles of which are different. Each inclined peripheral portion is formed by connecting one or more fan-shaped reflective plates in the circumferential direction, and is supported and affixed by affixing plates each formed by bending a band plate.

Description

The reflector of ligthing paraphernalia

Technical field

The present invention relates to a kind of be arranged in the ligthing paraphernalias such as mercury lamp on the ceiling etc. that is arranged at building, be applicable to the reflector throwing light in ground to below etc.

Background technology

In the past, the reflector such as, adopting as the ligthing paraphernalia, the Down lamp etc. that are arranged on the ceiling etc. of building, adopt the reflector that aluminium sheet rotary pressing processing is formed, but it was very serious to add the rough surface in man-hour, reflecting surface cannot be finish-machined to minute surface.Therefore, proposed a kind ofly will to utilize in advance aluminium-vapour deposition etc. to be finish-machined to multiple segmented reflector plates of mirror-like around the reflector of the ligthing paraphernalia combining.

For example, at patent documentation 1(TOHKEMY 2008-91208 communique) in recorded a kind of ligthing paraphernalia, this ligthing paraphernalia comprises lamp holder for lamp is installed, be arranged on lampshade on this lamp holder, be arranged on the roughly cone shape reflecting plate of this lampshade inside, and this reflecting plate comprises and surrounds the top reflecting plate and the bottom reflecting plate that are arranged on the lamp on lamp holder.

In addition, at patent documentation 2(TOHKEMY 2007-242409 communique) in recorded a kind of ligthing paraphernalia, this ligthing paraphernalia is configured on the reflector under ceiling hanging, has the octahedral reflecting surface on the cover portion inner surface that is arranged on above-mentioned reflector.

Prior art document

Patent documentation

Patent documentation 1: TOHKEMY 2008-91208 communique

Patent documentation 2: TOHKEMY 2007-242409 communique

But there is room for improvement in the ligthing paraphernalia of the technology described in above-mentioned patent documentation on aspect the viewpoint of distribution controls, cost etc.,, in the reflector of the encirclement lamp in above-mentioned ligthing paraphernalia in the past, because its reflecting part utilizes lampshade, many rivets along circumferentially fixing, therefore, the assembling of reflector, production process complexity, be difficult to set light modulation condition etc. according to application target.And, be to be bent upwards in the case of in week form polygon-shaped in the part of reflecting plate, compared with the reflector of level and smooth curved shape, there is the poor such shortcoming of its week illuminance uniformity upwards.For saving resource, lightweight, expect to use thinner reflecting plate, but in the time making thin plate, the reflector after distribution controls is difficult to maintain reservation shape.This tendency is remarkable especially in the case of upwards not having the flexure plane of bend to form reflector by week.

Summary of the invention

Invent problem to be solved

The present invention makes in order to solve above-mentioned problem in the past, its object is to provide a kind of reflector of ligthing paraphernalia, this reflector can carry out distribution controls, do not increase the illumination that power consumption just can improve ligthing paraphernalia, by the fixing means of design reflectivity plate, its simple structure and shape retention are good, light weight cheapness.

For the means of dealing with problems

(1) for the reflector arrangement of the ligthing paraphernalia of the present invention that solves above-mentioned problem in the past and make is around illuminating lamp, be the bowl-type of inner surface mirror-like, by upper and lower two-layerly combining with upper inclined portion different the angle of inclination of the axis direction with respect to reflector, it is characterized in that, the rake of each layer forms by respectively fan-shaped single or multiple reflecting plates being connected to all shapes, and, the fixed head that reflector utilization is made up of the bending band plate that crosses upper and lower rake more than two-layer along said reflection plate extend on axis direction is supported fixing from outside.

(2) according to the reflector of the ligthing paraphernalia of above-mentioned (1), the reflector of ligthing paraphernalia of the present invention is characterised in that, the upper end of a rake of the adjacent rake of each layer or lower end to the lower end of another rake or the outside of upper end configure highlightedly, and, so that the distribution controls portion at its angle of inclination of fixed adjustment is sticked in the mode of above-mentioned fixed head, make this distribution controls portion be arranged on the end of the reflecting plate of the rake of a side of outstanding configuration with nick shaped.

(3) according to the reflector of the ligthing paraphernalia of above-mentioned (1), the reflector of ligthing paraphernalia of the present invention is characterised in that, upper end or the lower end of the reflecting plate of a rake of the adjacent rake of each layer configure highlightedly to lower end or the upper end of the reflecting plate of another rake, and, on fixed head, be provided with tilt tolerant portion reflecting plate end outstanding, for the distribution controls portion at its angle of inclination of fixed adjustment.

(4) according to the reflector of the ligthing paraphernalia of above-mentioned (1)～(3), the reflector of ligthing paraphernalia of the present invention is characterised in that, each rake is the circular cone shape that upwards there is no bend in week.

(5) according to the reflector of the ligthing paraphernalia of above-mentioned (1)～(4), the reflector of ligthing paraphernalia of the present invention is characterised in that, above-mentioned rake forms by its inner surface being implemented to the metallic plate that silver mirror processing forms.

Invention effect

Mirror process sheet metal (reflecting plate of aluminium, surface treatment thin plate) is made in reflector utilization of the present invention to be become the rake of curved surface levels and combines, utilize the fixing so simple processing method of framework supporting, structure that band plate bending forms are formed, by adjusting the angle of inclination that respectively fan-shaped reflecting plate is connected to the rake that all shapes form, can adjust the reflection direction of (distribution controls) illuminator.In addition, owing to can seeking to improve with cost lower compared with before this illumination of ligthing paraphernalia, therefore, can improve utensil efficiency, power consumption is suppressed to obtain to the lower energy usage of cutting down.

And, compared with using the situation of the formation reflecting plates such as deep-draw processing method, can not be subject to processing the restriction of plant equipment, therefore, can be processed to form simply reflector, be easy to make large-scale reflector.

In addition, the rake utilization that respectively fan-shaped reflecting plate is connected to all shapes and form makes band plate to fixing with the circumferential rectangular direction fixed head supporting bending and that form of reflecting plate, therefore, distribution controls is carried out at the angle of inclination that can adjust exactly each rake with the angle of being scheduled to, do not increase power consumption and just can improve illumination, thereby can seek to improve the utensil efficiency of ligthing paraphernalia.

In addition, by make a reflecting plate end configure highlightedly in the adjacent portions of each layer of rake, the leakage of light between each rake can be reduced, therefore, illumination efficiency can be sought to improve.For the adjustment at this Nei angle of inclination, end that comprises rake, for example, by be provided for the distribution controls portion at its angle of inclination of fixed adjustment in the end of the reflecting plate of each rake adjacent each other, fixed head, can easily set luminous intensity distribution condition.

Brief description of the drawings

Fig. 1 is the overall front view of the reflector of embodiments of the invention 1.

Fig. 2 is top view and the front view of the reflector of embodiment 1.

Fig. 3 is the decomposition assembling instruction figure of the reflector of embodiment 1.

Fig. 4 is that key diagram is amplified in the part of the reflector of embodiment 1.

Fig. 5 is that the reflector that represents embodiment 1 amplifies key diagram to the part of the installment state of fixed head.

Fig. 6 is the comparison diagram of the Illumination Distribution of the reflector of embodiment 1 and the reflector of comparative example.

Fig. 7 is the reflector that represents embodiment 2 key diagram to the installment state of fixed head.

Detailed description of the invention

The reflector arrangement of the ligthing paraphernalia of present embodiment is around illuminating lamp, be formed as the bowl-type of inner surface mirror-like, upper and lower two-layerly to combine with upper inclined portion different the angle of inclination of the axis direction with respect to reflector, wherein, the rake of each layer forms by fan-shaped single or multiple reflecting plates are connected to all shapes respectively, and, reflector utilization with the circumferential rectangular direction of above-mentioned rake on transversal upper and lower rake the fixed head supporting of extending fixing.

By the different upper and lower two-layer inner surface that forms reflector with upper inclined portion in angle of inclination, therefore, can adjust by adjusting the angle of inclination of each rake the reflection direction of illuminator due to respectively.

Conventionally, ligthing paraphernalia is made up of lamp holder and reflector; It is upper that above-mentioned lamp holder is arranged on the makeshift tent outside ceiling, room within doors such as such as factory, shop, gas station etc. etc., for illuminator is installed; Above-mentioned reflector is arranged on lamp holder with bowl-shape, has multiple rakes at the inner surface of this reflector.

And, reflector is the reflecting member of the illuminator in ligthing paraphernalia, it is configured in the light sources such as mercury lamp, metal halide lamp, incandescent lamp, LED lamp around, from its rear side with bowl-shape encirclement, by its reverberation suitably and efficiently irradiate in ligthing paraphernalia object staggered relatively bring into play function.

Rake has by fan-shaped single or multiple reflecting plates are connected to the truncated cone shape that all shapes form, and its fixed head supporting of by vertically, extending with the circumferential rectangular direction of rake is fixing.

In addition, rake is provided with the distribution controls portion for its angle of inclination of fixed adjustment in the end of reflecting plate, and the reflection direction of illuminator is adjusted at the Nei angle of inclination, end that it can comprise each rake by adjustment.

As the material of reflecting plate, can apply to its reflecting surface is carried out silver mirror processing and the sheet metal that forms, aluminium etc. carried out metal evaporation processing or aluminium foil etc. is carried out to translucent or opaque plastic plate, the cardboard etc. that lamination process forms.As the thickness of slab of reflecting plate, as long as can be by its bending machining Cheng Zhouzhuan, as the rake of reflector, as long as can keep shape, just there is no particular limitation, but the in the situation that of the metallic plate such as aluminium, surface treated steel plate such as, the mode light weight of 0.2mm～2mm and be easy to processing, also easily obtain, therefore comparatively desirable.

Fixed head be for by by the two-layer above upper and lower rake forming from the fixing multiple band board members of its rear side (outside), its along reflector axially, extend with the circumferential rectangular direction of rake, and, be correspondingly bent to form with the back side shape of upper and lower rake.

Aspect maintenance reflector shape, in the time that the week of reflector looks up, the installation site of fixed head configures more preferably symmetrically, and the circumferential junction that comprises reflecting plate is comparatively desirable at 2 interior place～8 places.Sometimes, by also utilizing fixed head to fix at the circumferential position except circumferential junction reflecting plate, easily keep the shape of reflector, desirable especially when the thickness of slab of reflecting plate is thinner.

As the material of this fixed head, can list the metallic plate such as aluminium sheet, surface treated steel plate, plastic plate etc.As the thickness of slab of band plate, be not particularly limited, the thickness of slab light weight of 1mm～3mm and be easy to processing, also easily obtains, therefore comparatively desirable.For reflecting plate is fixed on to fixed head, can utilize the known methods such as rivet, bonding agent, adhesive.

And, in the reflector of the ligthing paraphernalia of present embodiment, on each rake adjacent each other, the outside, upper end that becomes the downward side rake in lower end of the rake of upside configures or becomes on the contrary upwards outside, the lower end configuration highlightedly of side rake of upper end of the rake of downside highlightedly, and, for the distribution controls portion at the angle of inclination for fixed adjustment rake is sticked in to fixed head, this distribution controls portion is arranged on to the end of each reflecting plate with nick shaped.Thus, can set by adjusting the position of distribution controls portion the angle of inclination of each rake, each rake is fixedly supported upon on fixed head.

Distribution controls portion is correspondingly provided with single or multiple parts with nick shaped, overshooting shape being for example the roughly periphery of fan-shaped reflecting plate and the quantity of fixed head, it also can be by setting in advance multiple distribution controls portion in a reflecting plate, be therefrom selected to predetermined angle of inclination mode the end face of reflecting plate is connected to all shapes each other and forms.In this wise multiple rakes with different angles of inclination are fixed on to fixed head and make reflector.At this, multiple rakes with different angles of inclination refer to the angle of inclination difference of each rake with respect to the axis direction of reflector.

In addition, distribution controls portion also can not be arranged at reflecting plate and be arranged at fixed head.In this case, the location bending that fixed head extends at the closing line of the reflecting plate from neighbouring, the outstanding reflecting plate end of adjacent rake can maintain the angle of inclination identical with the central portion of reflecting plate.

In the reflector of the ligthing paraphernalia of present embodiment, by linking the end of two reflecting plates, each rake of reflector can be done to the cone shape that there is no circumferentially bend.Thus, because rake is not polygonal pyramid shape but therefore taper shape, can improve the circumferential uniformity of illumination.

In addition, also can substitute and link two reflecting plates, make 1 layer of rake and link multiple reflecting plates.It is comparatively desirable in the situation that rake is many prism-frustum-shapeds.

The reflector of the ligthing paraphernalia of present embodiment also can be implemented by inner surface to rake the mirror process of high reflectance, for example on the surface-treated metal plates such as galvanized steel plain sheet, aluminium alloy sheet, implement silver-plated, implement the metallic plate that so-called silvered mirror (silver mirror processing) forms and form.Thus, can realize the reflector of higher reflectivity.

Embodiment 1

Illustrate in greater detail the reflector of embodiment 1 below, with reference to accompanying drawing.

Fig. 1 is the front view of reflector, Fig. 2 is the top view (a) of reflector, front view (b), and Fig. 3 is the decomposition assembling instruction figure of reflector, Fig. 4 represents to amplify key diagram to the part of the installment state of fixed head, and Fig. 5 is the top view before the assembling of rake.

As shown in the front view of Fig. 1, the reflector 10 of the ligthing paraphernalia of embodiment 1 hangs down from ceiling of building etc., be arranged on the below of the lamp holder H of the ligthing paraphernalia that lamp (not shown) is installed to surround the mode of lamp, comprise the rake 11,12,13 of upper and lower three layers of circular cone shape, tilt angle alpha 1 that each rake becomes, α 2, α 3 are with respect to the angle of inclination difference of axis L direction., below rake angle of inclination less (α 1 > α 2 > α 3).

In addition, as the top view of Fig. 2 (a) and main depending on as shown in the decomposition assembling instruction figure ((a) is that stereogram, (b) are front views) of cutaway view (b), Fig. 3, rake 11,12,13 utilization be configured in the circumferential rectangular direction of rake on criss-cross 4 banded fixed heads 14, be supported fixingly from the rear side of rake at above-below direction, be configured in illuminating lamp around with bowl-shape.

In addition, in the decomposition assembling instruction figure of (a) of Fig. 3, two battens of 4 nearsides in banded fixed head 14 have only been represented.

The amplification key diagram ((b)～Fig. 4 of Fig. 4 (d)) of the reflecting plate fixed head installation portion in the rake shown in use Fig. 4 (a) describes.At this, the lower end that becomes the rake 11 of upside becomes the upper end of the rake of downside 12 outside mode to cover configures (Fig. 4 (c)), is provided with the notch part 15 of the function of performance distribution controls portion in the lower end of rake.Thus, rake 11～13 is sticked in fixed head 14, and the angle of inclination of fixed adjustment rake 11 (Fig. 4 (d)).

In addition, in Fig. 4 (c), Fig. 4 (d), reflecting plate closing line S is the upper end of downside rake 12.In addition, in an embodiment, as reflecting plate, adopt the aluminium alloy plate of the JIS5052-H32 of silvered mirror thickness of slab 0.6mm after treatment, reflector is of a size of maximum outside diameter (lower end) 583mm, highly (being only the reflector sections except lamp holder) 299mm, α 1=47 °, α 2=31 °, α 3=16.5 °.As the band plate of fixed head, adopt the aluminium alloy plate of the JIS5052-H32 of width=30mm, thickness of slab=1.6mm.

As shown in Figure 5, rake 11 is that rivet 17 is penetrated in the rivet hole 16 utilizing on the one-sided and fixed head 14a that is separately positioned on two fan-shaped reflecting plate 11a, first one-sided (right side of Fig. 5) of two reflecting plates is fixed on to fixed head 14a.

Afterwards, the opposite side of reflecting plate 11a (left side of Fig. 5) is furthered in the rivet hole 16 of another fixed head 14b, penetrate rivet 17, the opposite side of this reflecting plate 11a is fixed on to fixed head 14b, thereby form curved surface, make truncated cone shape.

Then, in notch part 15, make in advance fixed head 14a, 14b bending downwards at a predetermined angle, similarly become the rake 12 of downside.

Like this, completed and comprised 3 layers of rake 11,12,13 and utilize fixed head 14 to support fixing reflector.

Fig. 6 is for the reflector 10 of embodiment 1, by simple bowl-shape reflector (inner surface aluminium-vapour deposition minute surface) roughly equal to profile, height dimension and that do not there is tilt stage portion as a comparative example, the Illumination Distribution of 1m on the ground while having represented to use identical lamp (rock rugged electric (Co., Ltd) M360FCELSP-W/BUD processed) to irradiate from the height of 11m.In the reflector 10 of embodiment 1, near its central authorities, the illumination of (in the circular scope of the about 3m～4m in center, ground) is about 350lx, known be about 260lx with the reflector of comparative example compared with, its illumination efficiency is higher.

Embodiment 2

As shown in the (a) and (b) of Fig. 7, it is same with the reflector of embodiment 1 that the reflector 20 of the ligthing paraphernalia of embodiment 2 is given prominence in configuration this point in the lower end of upside rake 21 in the mode of the upper end of covering downside rake 22, but its difference is, as shown in Fig. 7 (a), distribution controls portion 25 is arranged on fixed head 24, in all ends of the each reflecting plate 21a, the 22a that form rake 21,22, the distribution controls portion engaging with fixed head is not set.

In this case, bending outstanding end by the position that the closing line S at the reflecting plate from neighbouring of band plate of fixed head is extended can accommodate in the mode to axial bending not, makes the outstanding reflecting plate end of adjacent rake can maintain the inclination angle identical with the central portion of reflecting plate.

By the distribution controls portion for the protuberance engaging of reflecting plate is set in this wise on fixed head, can comprise end adjusts interiorly and becomes each rake of circular cone shape 21,22, by adjusting the fixing means of reflecting plate, can carry out distribution controls, do not increase power consumption and just can improve illumination, thereby can seek to improve the utensil efficiency of ligthing paraphernalia.

Industrial applicibility

The reflector of ligthing paraphernalia of the present invention not only can, as the illuminating ligthing paraphernalia of Down lamp being arranged on ceiling, also can be used as and be arranged on the wall of building, ground ligthing paraphernalia, and the utilizability in industry is high.

Description of reference numerals

10, the reflector of embodiment 1; 11～13, rake; 11a, 12a, 13a, reflecting plate; 14,14a, 14b, fixed head; 15, notch part; 16, rivet hole; 17, rivet; 20, the reflector of embodiment 2; 21,22, rake; 21a, 22a, reflecting plate; 24, fixed head; 25, distribution controls portion (also comprising the situation that is arranged at fixed head); The angle of inclination of α 1～α 3, rake; S, reflecting plate closing line; H, lamp holder.

Claims (6)

1. a reflector for ligthing paraphernalia, it is configured in illuminating lamp around, is the bowl-type for inner surface mirror-like, has the rake of the upper and lower two-layer above all shape different with respect to the angle of inclination of axis direction, it is characterized in that,

The rake of each layer is to form by respectively fan-shaped single or multiple reflecting plates being connected to all shapes, and, the fixed head that reflector utilization is made up of the bending band plate that crosses upper and lower two-layer above rake along said reflection plate extend on axis direction, is fixed from outside supporting.

2. the reflector of ligthing paraphernalia according to claim 1, is characterized in that,

The upper end of the reflecting plate of a rake of the adjacent rake of each layer or lower end to the lower end of the reflecting plate of another rake or the outside of upper end configure highlightedly, and, so that the distribution controls portion at its angle of inclination of fixed adjustment and the mode that above-mentioned fixed head engages make this distribution controls portion be arranged on the end of the reflecting plate of the rake of a side of outstanding configuration with nick shaped.

3. the reflector of ligthing paraphernalia according to claim 1, is characterized in that,

The upper end of the reflecting plate of a rake of the adjacent rake of each layer or lower end to the lower end of the reflecting plate of another rake or the upside of upper end configure highlightedly, on above-mentioned fixed head, be provided with tilt tolerant portion reflecting plate end outstanding, for the distribution controls portion at its angle of inclination of fixed adjustment.

4. according to the reflector of the ligthing paraphernalia described in any one in claims 1 to 3, it is characterized in that,

Each rake of above-mentioned reflector is the circular cone shape that upwards there is no bend in week.

5. according to the reflector of the ligthing paraphernalia described in any one in claims 1 to 3, it is characterized in that,

Said reflection plate has been implemented by effects on surface the metallic plate that silver mirror processing forms and has been formed.

6. the reflector of ligthing paraphernalia according to claim 4, is characterized in that,

Said reflection plate has been implemented by effects on surface the metallic plate that silver mirror processing forms and has been formed.

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