CN206330001U - Ligthing paraphernalia - Google Patents

Abstract

The utility model provides ligthing paraphernalia, it is to avoid the maximization of ligthing paraphernalia and weight increase, also, improves heat dispersion.Ligthing paraphernalia 1, possesses：Light source (30), possesses solid-state light emitting element (304)；And metal appliance body (10), for configuring light source (30), appliance body (10) possesses, bottom (12) and multiple fin portions (13), bottom (12) possesses, mounting surface (121) for installing light source (30), multiple fin portions (13), the outer surface (122) opposite with mounting surface (121) in bottom (12), set from central portion with radial erect, bottom (12) and multiple fin portions (13), it is formed one, the end (131) of central portion side among the end (13) of multiple fin portions is separated each other.

Description

Ligthing paraphernalia

Technical field

The utility model is related to ligthing paraphernalia.

Background technology

Conventional ligthing paraphernalia, such as Down lamp possess, and the light source that is made up of LED and are internally configured with the light source The appliance body of aluminum (for example, referring to patent document 1).

In the Down lamp disclosed in patent document 1, appliance body, in bottomed tube, the inner surface in its bottom is formed with Mounting surface for installing light source.Also, erect and be provided with from central portion with the multiple of radiated entends in the outer surface of bottom Fin portions.Each fin portions, is connected in the side of sidewall portion of central portion side and ring-type.Down lamp disclosed in patent document 1, passes through Described fin portions, make the thermal scattering occurred from light source.

(prior art literature)

(patent document)

Patent document 1：Japanese Unexamined Patent Publication 2014-235917 publications

, can for the method for improving heat dispersion in ligthing paraphernalia as the Down lamp disclosed in patent document 1 The method of maximization, the expansion of surface area to consider fin portions etc..

However, in the case of using these methods, asking for maximization, the increase of weight of ligthing paraphernalia etc. can be produced Topic.

Utility model content

Then, the purpose of this utility model is, it is to avoid the maximization of ligthing paraphernalia and weight increase, also, improves Heat dispersion.

In order to solve one of described problem, the ligthing paraphernalia embodiment that the utility model is related to, possess：Light source, possesses Solid-state light emitting element；And metal appliance body, for configuring the light source, the appliance body possesses, bottom and Multiple fin portions, the bottom possesses, the mounting surface for installing the light source, the multiple fin portions, at the bottom The outer surface opposite with the mounting surface in portion, is set from central portion with radial erect, the bottom and the multiple radiating Piece portion, the end for the central portion side being formed among one, the end of the multiple fin portions is separated each other.

And or, in above-mentioned ligthing paraphernalia, the light source possesses the base for configuring the solid-state light emitting element Plate, the substrate is abutted with the mounting surface, and the bottom and the multiple fin portions are, by using punch process with Simultaneously integrally formed mode and be formed.

And or, in above-mentioned ligthing paraphernalia, in the material for forming the bottom and the multiple fin portions The containing ratio of aluminium is more than 99wt%.

And or, it is corresponding with the back side of the mounting surface in the outer surface in above-mentioned ligthing paraphernalia Region is formed with tabular surface, and the tabular surface is the envelope bag of the end by the central portion side of the multiple fin portions The face enclosed.

And or, in above-mentioned ligthing paraphernalia, the area of the tabular surface is, the mounting surface and the substrate More than the 50% of the area of the part of abutting.

According to the utility model, the maximization and weight increase of ligthing paraphernalia can be avoided, also, improves thermal diffusivity Energy.

Brief description of the drawings

Fig. 1 is the oblique view for the outward appearance for showing the ligthing paraphernalia that embodiment is related to.

Fig. 2 is the sectional view for the ligthing paraphernalia that embodiment is related to.

Fig. 3 is the exploded perspective view for the part for showing the ligthing paraphernalia that embodiment is related to.

Fig. 4 is the oblique view for the outward appearance for showing the appliance body that embodiment is related to.

Fig. 5 is the section stravismus of the position relationship for the fin portions and mounting surface for showing the appliance body that embodiment is related to Figure.

Fig. 6 is the plan for showing the appliance body that embodiment is related to.

Fig. 7 is the oblique view of the outward appearance for the appliance body for showing comparative example.

Fig. 8 be the appliance body for showing comparative example fin portions and mounting surface position relationship section oblique view.

Embodiment

Hereinafter, for embodiment of the present utility model, it is described with reference to the accompanying drawings.Moreover, embodiment explained below, all A preferred specific example of the present utility model is shown.Therefore, numerical value shown in following embodiment, shape, material, composition Key element, the allocation position of inscape and connection form etc. are an examples, rather than limit purport of the present utility model.Cause This, for it is in the inscape of following embodiment, show do not have in the embodiment of upper concept of the present utility model The inscape of record, is illustrated as arbitrary inscape.

Moreover, each figure is ideograph, the figure not necessarily tightly shown.Also, in each figure, to substantial phase Same structure encloses identical symbol, and the explanation of repetition is omitted or simplified.

(embodiment)

[1. overall structure]

The schematic configuration for the ligthing paraphernalia being related to firstly, for embodiment, is illustrated using Fig. 1 and Fig. 2.

Fig. 1 is the oblique view for the outward appearance for showing the ligthing paraphernalia 1 that the present embodiment is related to.

Fig. 2 is the sectional view for the ligthing paraphernalia 1 that the present embodiment is related to.It is shown in fig. 2, the optical axis J for passing through ligthing paraphernalia 1 Section.

, will be vertical with optical axis J and each other just moreover, in each figure, the direction parallel with optical axis J is set into y-axis direction The both direction of friendship is set to z-axis direction and x-axis direction.In the present embodiment, y-axis direction is, vertical direction.

Ligthing paraphernalia 1 shown in Fig. 1 is, for example, being embedded in and configuring the attached portion in the ceiling of building etc. The embedded illuminating apparatus of Down lamp of (floor and wall etc.) irradiation light etc. downwards.In the present embodiment, ligthing paraphernalia 1, The direction (light injection direction) that light is projected from ligthing paraphernalia 1 is set to front, after being set to light injection direction in opposite direction Side.If that is, will set ligthing paraphernalia 1 ceiling surface be set to benchmark, the direction of floor side compared with ceiling surface (lower section) is front, and the direction (top) of upside is rear compared with ceiling surface.Also, y-axis direction minus side is front, y-axis Direction positive side is rear.

As shown in Figure 2, ligthing paraphernalia 1 possesses, appliance body 10, framework 20, light source 30, reflection part 40 and optical section Part 50.

Hereinafter, for each component parts (part) of ligthing paraphernalia 1, it is described in detail using Fig. 1 and Fig. 2.And And, the detailed content also not illustrated beyond a part is not shown in figure, still, in ligthing paraphernalia 1, is suitably provided with For making each component parts be coupled fixed fastener etc. each other.

[1-1. appliance bodies]

As shown in Figure 2, appliance body 10 is that the main body of ligthing paraphernalia 1 is also the metal portion for configuring light source 30 Part.Appliance body 10, also serves as carrying out function for installing the erecting bed of light source 30.Also, appliance body 10, also serves as making The radiator of the thermal scattering occurred in light source 30 carrys out function.It is preferred, therefore, that appliance body 10, high by thermal conductivity Metal material is formed.Appliance body 10, for example, formed by aluminium.In the present embodiment, aluminium in the material of appliance body 10 is formed Containing ratio is more than 99wt%.Accordingly, the high aluminium alloy formation appliance body 10 of the containing ratio of the material low with utilizing thermal conductivity Situation compare, it is possible to increase the thermal conductivity of appliance body 10.Therefore, the appliance body 10 that the present embodiment is related to, can make The heat that light source 30 occurs expeditiously is scattered.Moreover, for the manufacture method of appliance body 10, illustrating later.

As shown in Figure 2, appliance body 10 possesses, cylindrical portion 11, bottom 12 and multiple fin portions 13.Hereinafter, for The structure of appliance body 10, is illustrated using Fig. 2 and Fig. 3.

Fig. 3 is the exploded perspective view for the part for showing the ligthing paraphernalia 1 that the present embodiment is related to.Fig. 3 shows, ligthing paraphernalia 1 appliance body 10, light source 30, installing component 32 and connection member 36.

As shown in FIG. 2 and 3, bottom 12 is, the part of the tabular of the circular for installing light source 30.Bottom 12, possess the mounting surface 121 for installing light source 30 in front side.Also, bottom 12 it is opposite with mounting surface 121 (i.e., Positioned at the back side of mounting surface 121) outer surface 122, erect the multiple fin portions being provided with from central portion with radiated entends 13, bottom 12 and multiple fin portions 13 are formed one.That is, bottom 12 and multiple fin portions 13, are not utilized Other connecting members, latch for printed circuit etc. and connect.In the present embodiment, bottom 12 and multiple fin portions 13, by same material Material forms as one.Accordingly, the heat occurred in light source 30, is expeditiously transmitted to multiple fin portions 13.Moreover, the He of bottom 12 Fin portions 13, can also be bonded by high adhering part of thermal conductivity etc., can also be connected by welding.

As shown in FIG. 2 and 3, cylindrical portion 11 is edge, ambient light source 30 the optical axis J for being arranged on bottom 12 Tubular part.In the inner side of cylindrical portion 11, configuration reflection part 40 etc..Moreover, in the present embodiment, cylindrical portion 11, with Bottom 12 and multiple fin portions 13 form as one.

Multiple fin portions 13 shown in Fig. 2 and Fig. 3 are, erect be arranged on bottom 12 it is outer surface 122, from appearance The central portion in face 122 is with the radiating part of radiated entends.Multiple fin portions 13, form as one with bottom 12.Multiple radiatings The end 131 of among the end in piece portion 13, outer surface 122 central portion side is separated each other.In multiple fin portions 13 Near the end 131 of centre portion side, multiple fin portions 13 are concentrated, the narrower intervals of adjacent fin portions 13, therefore, have plus The situation that air after heat is stagnated.However, in the present embodiment, end 131 is separated each other, therefore, it is possible to suppress after heating Air is stuck between adjacent fin portions 13.Accordingly, the radiating efficiency of multiple fin portions 13 is improved.

[1-2. light sources]

Light source 30 is the illuminating part for possessing solid-state light emitting element 304.As shown in FIG. 2 and 3, light source 30 possesses, solid Light-emitting component 304 and the substrate 302 for configuring solid-state light emitting element 304.As shown in Figure 2, substrate 302 and mounting surface 121 Abut.

In the present embodiment, light source 30 is, the light emitting module with LED.Light source 30 is configured to, and projects such as white light. Light source 30, is made up of COB (Chip On Board) type LED, possess substrate 302, on substrate 302 as bare chip Multiple solid-state light emitting elements 304 of (LED chip) and seal these solid-state light emitting elements 304 and the sealing comprising fluorophor Part.Moreover, in the present embodiment, seal member seals all solid-state light emitting elements 304, still, seal member in the lump Structure, is not limited only to this.It can also be configured to, along with the orientation of the solid-state light emitting element 304 of the linear alignment, with a plurality of Wire formation seal member.

Substrate 302 is, for installing the installation base plate of multiple solid-state light emitting elements 304, for example, being ceramic substrate, resin Substrate or insulation-coated metal substrate etc..Also, substrate 302 is, such as tabular with the plane of rectangular shape when overlooking, The bottom surface (face of rear side) of substrate 302 is mounted and fixed on the bottom 12 of appliance body 10.Moreover, in base station 302, being formed Have for from it is outside receive for make the luminous direct current of solid-state light emitting element 304 a pair of electrodes terminal (positive electrode terminal with And negative electrode terminal) (not illustrating).

Light source 30 as constructed as above, is configured in the inside of appliance body 10.In the present embodiment, light source 30, by Fig. 2 with And installing component 32 and connection member 36 shown in Fig. 3, it is fixed on the mounting surface 121 of the bottom 12 of appliance body 10.

Installing component 32 is, the part of the bottom 12 for light source 30 to be installed to appliance body 10.As Fig. 3 is shown, peace Dress part 32 possesses, limiting unit 322 and claw-like portion 324.

Limiting unit 322, is limited the position in the direction (z-axis direction and y-axis direction) vertical with optical axis J of light source 30 System.Limiting unit 322 has, and has the rectangular box-like shape of opening portion in center.The central of limiting unit 322 is formed on to open Oral area, with the corresponding shape of light source 30, the opening portion configure light source 30.Installing component 32, is configured in bottom 12 The face of front side, by the connection member 36 and screw 38 shown in Fig. 3, is fixed on bottom 12.More specifically, in installation portion The limiting unit 322 of part 32, is formed with through hole 326, by screw 38, is screwed into via through hole 326 and is formed on bottom 12 Screw, so that installing component 32 is fixed on bottom 12.Accordingly, installing component 32 and be configured in its opening portion light source 30 consolidate Due to bottom 12.

Claw-like portion 324 is, the part of the claw-like for supporting reflection part 40.In the present embodiment, installing component 32 has It is standby, two claw-like portions 324.

For example, using the resin material of polybutylene terephthalate (PBT) (PBT), makrolon etc., installation can be formed Part 32.

Connection member 36 is, the part for the position in the optical axis J directions of limiting light source 30.As Fig. 3 is shown, in connecting portion Part 36, being formed with makes the through hole of the insertion of screw 38, and by being inserted into the screw 38 of the through hole, connection member 36 is fixed on bottom Portion 12 and installing component 32.Now, a part for connection member 36, presses light source 30, so as to light source 30 to bottom 12 The position in optical axis J directions (y-axis direction) is limited.

Also, connection member 36 is also, with providing the part that the electric wire of electric current is connected to light source 30.What the present embodiment was related to Ligthing paraphernalia 1, possesses a connection member 36, connection member 36 and the height of a side at the z-axis direction both ends of light source 30 respectively The electric wire connection of current potential side, the connection member 36 of the opposing party is connected with the wiring of low potential side.In connection member 36, set oriented Light source 30 provides the electrode (not illustrating) of electric current.The electrode is connected with being formed on the electrode terminal of light source 30.

For example, the framework of connection member 36 can be formed using the resin material of PBT, makrolon etc..Also, utilize copper Deng electroconductive component can form the electrode of connection member 36.

[1-3. reflection parts]

Reflection part 40 shown in Fig. 2 is, the part being controlled to the luminous intensity distribution of the light from light source 30.In the present embodiment In, reflection part 40 makes the light from light source 30 be reflected to optical component 50.As shown in Figure 2, reflection part 40, with formation There is the shape of the substantially tubular of the opening of optical axis J insertions.

Reflection part 40, as shown in Figure 2, with being configured to internal diameter from incident side (the y-axis side of the light from light source 30 To positive side) end, the shape of the end of the side projected to the light gradually big substantially tubular.In the interior table of reflection part 40 Face, reflects the light from light source 30.

For example, reflection part 40 can be formed using the white resin material of PBT etc. hard.Moreover, reflection part 40 Can also, inner surface is provided with the metal film of aluminium etc..

[1-4. optical components]

Optical component 50 shown in Fig. 2 is, the part of the incident translucency of the light from reflection part 40.Optical component 50 Can also, with to being controlled the function to project from the luminous intensity distribution of the incident light of reflection part 40.In the present embodiment, optics Part 50 is Fresnel lens.Optical component 50, collects the light from reflection part 40, projects the section with circular Light.

Optical component 50, is formed using translucent material, for example, utilizing the saturating of PMMA (propylene), makrolon etc. The transparent material of bright resin material or glass material etc. can form optical component 50.

[1-2. frameworks]

Framework 20 is, from the part of the incident tubular of the light of the injection of optical component 50.The light of framework 20 is incided, passes through frame Projected to the outside of ligthing paraphernalia 1 inside of body 20.As shown in Figure 2, framework 20 possesses, subsidy reflection part 21, frame main body 22 And spring 25 is installed.

Subsidy reflection part 21 is the part of the tubular of the inner peripheral surface for the framework 20 for being configured in tubular.Subsidize reflecting part Part 21, has subsidy reflecting surface 21a in inner side, the function of the luminous intensity distribution with control ligthing paraphernalia 1.In the present embodiment, subsidize Reflection part 21, is formed by the metal sheet of aluminium etc..

Frame main body 22 is, the main part of the framework 20 of tubular.Frame main body 22, with the phase of cylindrical portion 11 with appliance body 10 With the external diameter of degree, the positive side end face in y-axis direction of frame main body 22 and the y-axis direction minus side end face of the cylindrical portion 11 of appliance body 10 Abut.Frame main body 22, for example, being formed by the metal of aluminium etc..

Installing spring 25 is, the elastomeric element of the attached portion for ligthing paraphernalia 1 to be installed to ceiling etc..In this reality Apply in example, as shown in figure 1, two installation springs 25, are arranged on the outer peripheral face of frame main body 22.Spring 25 is installed, for example, by iron Deng metal formed.

[radiator structures of 2. appliance bodies]

Then, the radiator structure for the appliance body 10 being related to for the present embodiment, using Fig. 4 to Fig. 8, the device with comparative example Tool main body is compared to explanation.

Fig. 4 is the oblique view for the outward appearance for showing the appliance body 10 that the present embodiment is related to.

Fig. 5 is position relationship of the fin portions 13 with mounting surface 121 for showing the appliance body 10 that the present embodiment is related to Section oblique view.In fig. 5 it is shown that central portion and the section parallel with yz planes by appliance body 10.

Fig. 6 is the plan for showing the appliance body 10 that the present embodiment is related to.Figure 6 illustrates outside appliance body 10 The plan of the side of surface 122, the mounting surface 121 also shown in broken lines formed at the back side of outer surface 122.That is, with void Line surround region be, region among outer surface 122, corresponding with the back side of mounting surface 121.

Fig. 7 is the oblique view of the outward appearance for the appliance body 200 for showing comparative example.

Fig. 8 is fin portions 230 and the section of the position relationship of mounting surface 221 for the appliance body 200 for showing comparative example Oblique view.Figure 8 illustrates central portion and the section parallel with yz planes by appliance body 200.

As shown in FIG. 4 and 5, in the appliance body 10 that the present embodiment is related to, in bottom 12 and the phase of mounting surface 121 Anti- outer surface 122, erects the multiple fin portions 13 being provided with from central portion with radiated entends.Multiple fin portions 13 The end 131 of among end, outer surface 122 central portion side is separated each other.

Thus, in appliance body 10, the end 131 of multiple fin portions 13 is separated each other, therefore, it is possible to suppress heating Air afterwards is stuck between adjacent fin portions 13.Accordingly, the radiating efficiency of multiple fin portions 13 is improved.

Also, as shown in fig. 6, among outer surface 122, corresponding with the back side of mounting surface 121 region, be formed with by The tabular surface 123 that the envelope 125 of the end 131 of the central portion side of multiple fin portions 13 is surrounded.In the present embodiment, as schemed Shown in 6, the tabular surface with the diameter R of the length W same degrees on one side of substantially rectangular mounting surface 121 circular is formed 123.Moreover, here, the envelope 125 of multiple ends 131 is, by between the end 131 adjacent with connection of multiple ends 131 The line of the ring-type of line segment formation.Also, the length W on one side for mounting surface 121, mounting surface 121 as the present embodiment In the case of substantially rectangular, it is defined as the length of part most short among the width of mounting surface 121.In the present embodiment, The diameter R of tabular surface 123 is, more than 0.8 times, less than 1.2 times of the length W on one side of mounting surface 121.

In the present embodiment, as shown in Figures 4 to 6, tabular surface 123 is formed in the outer surface 122 of appliance body 10, according to This, at the rear (y-axis direction positive side) of tabular surface 123, forms the space surrounded by the enveloping surface of multiple ends 131.Accordingly, it is capable to The convection current of air is produced between enough gaps between the radially adjacent fin portions 13 of outer surface 122 and the space.Therefore, The air after heating can be suppressed to be stuck between adjacent fin portions 13.Hereby it is possible to improve multiple fin portions 13 Radiating efficiency.

On the other hand, the appliance body 200 of the comparative example shown in Fig. 7 and Fig. 8, the appliance body 10 being related to embodiment Equally, possess cylindrical portion 210, bottom 220 and multiple fin portions 230.But, the appliance body 200 of comparative example, with implementation The appliance body 10 that is related to of example is a difference in that, the end 231 of the central portion side of multiple fin portions 230, the side wall with ring-type Portion 240 is connected.As shown in figure 8, the side of sidewall portion 240 of appliance body 200, is configured among the outer surface 222 of appliance body 200 Region corresponding with the back side of mounting surface 221.Accordingly, intuitively it is speculated as, the light source 30 for being configured in mounting surface 221 occurs Heat, be expeditiously transmitted to side of sidewall portion 240 from mounting surface 221.

However, invention personnel find out, compared with the appliance body 200 for possessing the comparative example of side of sidewall portion 240, side is not equipped with The radiating efficiency for the appliance body 10 that the present embodiment of wall portion 240 is related to is good.For example, by being analyzed to identify, in this implementation In the appliance body 10 that example is related to, compared with using the situation of the appliance body 200 of comparative example, heat dispersion improves twice of left side It is right.It is believed that the raising of the heat dispersion for the appliance body 10 being related to based on the present embodiment, mainly originates from no ring-type Side of sidewall portion.That is, it is believed that the reason for inhibiting the air by the side of sidewall portion heating of ring-type to stagnate.Thus, in this reality Apply in the appliance body 10 that example is related to, heat dispersion is significantly increased, therefore, even if being by the size reduction of fin portions 13 It is small compared with the size of the fin portions 230 of comparative example, it can also obtain sufficient heat dispersion.Therefore, it is possible to cut down utensil The amount of material (aluminium of the present embodiment) required for the manufacture of main body 10.Hereby it is possible to cut down ligthing paraphernalia 1 weight and into This.

[manufacture methods of 3. appliance bodies]

Then, the manufacture method for the appliance body 10 that the present embodiment is related to is illustrated.

Part as the appliance body 10 being related to for the present embodiment, it is however generally that, made by die casting manufacture method Situation about making is more.However, in the case where manufacturing appliance body 10 by die casting manufacture method, it is necessary to carry out useless part Remove, the rear process of deburring etc..And then, for rear process, it is necessary to carry out that for realizing the flat of light source 30 can be configured Mounting surface 121 cutting process.Therefore, the long time is needed to manufacture, cost is also improved.Also, passing through die casting Manufacture method in the case of manufacturing appliance body 10, has a feelings for being internally formed empty (so-called " nest ") in appliance body 10 Condition.In the case, than aluminium, significantly low air is included in appliance body 10 thermal conductivity, therefore, and appliance body 10 dissipates Hot property is reduced.Also, for the aluminium alloy typically utilized in die casting manufacture method, the containing ratio of aluminium is 90wt% or so, Comprising thermal conductivity material maximum 10wt% lower than aluminium or so, therefore, thermal conductivity is than aluminium that the containing ratio of aluminium is more than 99wt% It is low.As described previously for the appliance body 10 manufactured by die casting manufacture method, there is the leeway for improving heat dispersion.

Then it is integrally formed while, in the present embodiment, by using punch process to form appliance body 10.Specifically For, for example, using mould, being pressurizeed to the processed part being made up of discoideus aluminium, so as to manufacture appliance body 10. Hereby it is possible to suppress that as die casting manufacture method, cavity is internally formed in appliance body 10, therefore, it is possible to suppress thermal conductivity The reduction of rate.And then, in punch process, for being processed part, the aluminium that can be more than 99wt% using the containing ratio of aluminium. Therefore, compared with the situation of the aluminium alloy manufacture appliance body 10 typically utilized in using die casting manufacture method, it is possible to increase The thermal conductivity of appliance body 10.

Also, in the case where manufacturing appliance body 10 by punch process, without the rear process of cutting process etc., Flat mounting surface 121 can be formed.But, the back side among the outer surface 122 of appliance body 10, with mounting surface 121 In the case that the major part of corresponding region (part surrounded by dotted line in Fig. 6) forms fin portions 13, have by punching Pressure processing, the situation of recess is produced in mounting surface 121.It can be speculated as, the recess is, when forming fin portions 13, to install What the processed part (aluminium) near face 121 was introduced in fin portions 13 and occurred.According to the recess, installed by light source 30 In the case of mounting surface 121, the area of the abutting part between the substrate 302 of mounting surface 121 and light source 30 is reduced, therefore, The hot conduction efficiency to appliance body 10 that light source 30 occurs is reduced.Also, due to by substrate 302, be pressed into be formed with it is recessed The mounting surface 121 at place, therefore, can produce the deformation and breakage of substrate 302.

In order to suppress the generation of the recess, and it is preferably, is arranged among the outer surface 122 of appliance body 10 , the fin portions 13 in region corresponding with the back side of mounting surface 121 lack.For example, it is preferable that, by multiple fin portions 13 The area for the tabular surface 123 that the envelope 125 of the end 131 of central portion side is surrounded is that mounting surface 121 is abutted with substrate 302 More than the 50% of partial area.Moreover, in the case that the area of tabular surface 123 is small, if being arranged on outer surface 122 Among region corresponding with the back side of mounting surface 121 fin portions 13 height it is low, then can also suppress the recess Occur.If that is, the fin portions in the region corresponding with the back side of mounting surface 121 among being arranged on outer surface 122 13 small volume, then can suppress the generation of the recess.If for example, the volume of the fin portions 13 of per unit area, outside Region corresponding with the back side of mounting surface 121 among surface 122 is smaller than around the part, then can suppress the recess Occur.Moreover, thus, the tabular surface in the region corresponding with the back side of mounting surface 121 among outer surface 122 is formed on In the case of 123 area is big, intuitively it is speculated as, is reduced from light source 30 to the heat conduction efficiency of fin portions 13.However, as above It is described, by forming tabular surface 123, the gap that the air after heating is stuck between adjacent fin portions 13 can be suppressed.According to This, it is possible to increase the radiating efficiency of multiple fin portions 13.

As described above, the appliance body 10 that the present embodiment is related to, while by using punch process it is integrally formed come shape Into so as to avoid the maximization and weight increase of ligthing paraphernalia 1, further, it is possible to improve heat dispersion.Also, according to The manufacture method for the appliance body 10 that the present embodiment is related to, it is not necessary to the rear process needed when using die casting manufacture method, because This, can simplify manufacture method.Also, in the present embodiment, it is possible to suppress to form recessed in the mounting surface 121 of appliance body 10 Place.Therefore, it is possible to suppress the area reduction of the abutting part between mounting surface 121 and the substrate 302 of light source 30.Therefore, it is possible to true Protect the hot conduction to appliance body 10 that light source 30 occurs.Further, it is possible to suppress to be formed with recess because substrate 302 is pressed into Mounting surface 121 caused by substrate 302 deformation and breakage.

[4. sum up]

As described above, the ligthing paraphernalia 1 that the present embodiment is related to, possesses：Light source 30, possesses solid-state light emitting element 304；And Metal appliance body 10, for configuring light source 30.Appliance body 10 possesses, bottom 12 and multiple fin portions 13.Bottom Portion 12 possesses, the mounting surface 121 for installing light source 30.Multiple fin portions 13, it is opposite with mounting surface 121 in bottom 12 Outer surface 122, is set from central portion with radial erect, and bottom 12 and multiple fin portions 13 are formed one, multiple to dissipate The end 131 of central portion side among the end in backing portion 13 is separated each other.

Thus, near with the end 131 of the radial central portion side for erectting the multiple fin portions 13 set, it is multiple to dissipate Backing portion 13 is concentrated, and the interval of adjacent fin portions 13 is narrow, therefore, has the situation that the air after heating is stagnated.However, In the present embodiment, end 131 is separated each other, therefore, it is possible to suppress heating after air be stuck in adjacent fin portions 13 it Between.Accordingly, the radiating efficiency of multiple fin portions 13 is improved.I.e. it is capable to avoid the maximization and again of ligthing paraphernalia 1 Amount increase, further, it is possible to improve heat dispersion.

Also, in the ligthing paraphernalia 1 that the present embodiment is related to, light source 30 possesses, for configuring solid-state light emitting element 304 Substrate 302, substrate 302 is abutted with mounting surface 121, and bottom 12 and multiple fin portions 13 can also be, by using punching press Process and be formed in simultaneously integrally formed mode.

Accordingly, compared with using the situation of die casting manufacture method, appliance body 10 can be manufactured with simplified manufacture method. Also, by using punch process, being internally formed for when using die casting manufacture method such appliance body 10 can be suppressed Cavity.Hereby it is possible to more improve the heat dispersion of appliance body 10.

Also, can also be to form bottom 12 and multiple fin portions 13 in the ligthing paraphernalia 1 that the present embodiment is related to Material in aluminium containing ratio be more than 99wt%.

Accordingly, compared with the situation of the aluminium alloy manufacture typically utilized in using die casting manufacture method, it is possible to increase device Has the thermal conductivity of main body 10.Therefore, it is possible to more improve the heat dispersion of appliance body 10.

Also, can also be in the ligthing paraphernalia 1 that the present embodiment is related to, in outer surface 12 with mounting surface 121 The corresponding region in the back side is formed with, by the envelope 125 of the end 131 of the central portion side of multiple fin portions 13 surround it is flat Face 123.

Accordingly, at the rear (y-axis direction positive side) of tabular surface 123, the sky surrounded by the enveloping surface of multiple ends 131 is formed Between.Hereby it is possible to produce air between gap and the space between the radially adjacent fin portions 13 of outer surface 122 Convection current.Hereby it is possible to which the air suppressed after heating is stuck between adjacent fin portions 13.Hereby it is possible to improve multiple dissipate The radiating efficiency in backing portion 13.

Also, can also be that the area of tabular surface 123 is in the ligthing paraphernalia 1 that the present embodiment is related to, mounting surface 121 More than the 50% of the area of the part abutted with substrate 302.

Accordingly, in the case of being manufactured using punch process manufacture appliance body 10, it can also suppress in mounting surface 121 form recess.Hereby it is possible to which the area for suppressing the abutting part between the substrate 302 of mounting surface 121 and light source 30 is reduced. It is accordingly possible to ensure the hot conduction to appliance body 10 that light source 30 occurs.Further, it is possible to suppress because substrate 302 is pressed To the deformation and breakage for forming substrate 302 caused by dimply mounting surface 121.

(variation etc.)

More than, the ligthing paraphernalia 1 being related to for the utility model is illustrated according to embodiment, still, and this practicality is new Type, is not limited only to the embodiment.

For example, in the described embodiment, for light source 30, COB type LED are make use of, but it is also possible to utilize other hairs Optical element.For example, it is also possible to utilize SMD (Surface Mount Device) type LED.Also, organic EL can also be utilized Others beyond other solid-state light emitting elements or solid-state light emitting element of (Electro Luminescence) element etc. Light source.

Also, it is integrally formed while in the described embodiment, by using punch process to form appliance body 10, But, the manufacture method of appliance body 10 is not limited only to this.It can also be formed by die casting manufacture method etc..

Also, it is more than 99wt% in the described embodiment, to form the containing ratio of aluminium in the material of appliance body 10, but It is to form the material of appliance body 10, be not limited only to this.For the material of formation appliance body 10, the high material of thermal conductivity is Can.

Also, in the described embodiment, tabular surface 123 is, circular shape, still, the shape of tabular surface 123, not only It is limited to this.For example, it is also possible to be substantially rectangular shape.

In addition, implementing form, Yi Ji obtained from the various modifications that those skilled in the art expect to each embodiment The shape for being combined the inscape and function of each embodiment in the range of objective of the present utility model to realize is not departed from State, is also contained in the utility model.

Claims (5)

1. a kind of ligthing paraphernalia, it is characterised in that possess：

Light source, possesses solid-state light emitting element；And

Metal appliance body, for configuring the light source,

The appliance body possesses bottom and multiple fin portions,

The bottom possesses the mounting surface for installing the light source,

The multiple fin portions, the outer surface opposite with the mounting surface in the bottom, from central portion with radial perpendicular Erect and put,

The bottom and the multiple fin portions, are formed one,

The end of the central portion side among the end of the multiple fin portions is separated each other.

2. ligthing paraphernalia as claimed in claim 1, it is characterised in that

The light source possesses the substrate for configuring the solid-state light emitting element,

The substrate is abutted with the mounting surface,

The bottom and the multiple fin portions are, by using punch process in simultaneously integrally formed mode by shape Into.

3. ligthing paraphernalia as claimed in claim 1 or 2, it is characterised in that

The containing ratio for forming aluminium in the material of the bottom and the multiple fin portions is more than 99wt%.

4. ligthing paraphernalia as claimed in claim 2, it is characterised in that

Region corresponding with the back side of the mounting surface in the outer surface is formed with tabular surface, and the tabular surface is by institute State the face that the envelope of the end of the central portion side of multiple fin portions is surrounded.

5. ligthing paraphernalia as claimed in claim 4, it is characterised in that

The area of the tabular surface is, more than the 50% of the area for the part that the mounting surface is abutted with the substrate.