CN104019384B - Lighting device - Google Patents

Abstract

The present invention provides a kind of lighting device, including lamp holder, supporter and multiple light source cell.Supporter is connected to lamp holder.Multiple light source cells are installed in supporter, and along configuring in the surrounding centered by the axle of lamp holder.Multiple light source cells each include base portion, illuminating part and multiple projection.Base portion have the 1st contacted with supporter and with the 2nd that the 1st is opposition side.Illuminating part is installed in the 2nd of base portion.Multiple projections are located on the 1st of base portion.Between multiple projections, being provided with the air flow circuit being respectively communicated with along the 1st direction and the 2nd direction, described 1st direction is along the 1st, and described 2nd direction is along the 1st and not parallel with the 1st direction.

Description

Lighting device

The application based on and advocate existing Japanese patent application filed in 28 days February in 2013 the 2013-40149th The rights and interests of priority, all the elements of this application are hereby incorporated herein by.

Technical field

Multiple embodiments of the present invention relate to a kind of lighting device comprehensively.

Background technology

In recent years, use light emitting diode (Light Emitting Diode, LED) as the photograph of semiconductor light-emitting elements The exploitation of bright device is just prevailing.In lighting device, it is contemplated that make the viewpoint that Illumination Distribution homogenizes, use sometimes in face The light source cell (unit) that shape ground is luminous.And then, it is also considered that such as lower lighting device: the light source cell of multiple planars is configured cyclization Shape, to improve uneven illumination around.In lighting device, it is critical only that raising thermal diffusivity.

Summary of the invention

Embodiments of the present invention provide a kind of lighting device, and this lighting device has and is annularly configured with multiple light source The structure of unit, and thermal diffusivity can be improved.

The lighting device of embodiment possesses lamp holder, supporter and multiple light source cell.Described supporter is connected to described Lamp holder.The plurality of light source cell is installed in described supporter, and along in the surrounding centered by the axle by described lamp holder and Configuration.The plurality of light source cell each includes base portion, illuminating part and multiple projection.Described base portion has and described support Body contact the 1st and with the 2nd that described 1st is opposition side.Described illuminating part is installed in the described of described base portion 2nd.The plurality of projection is located on described 1st of described base portion.Between the plurality of projection, it is provided with along the 1st The air flow circuit that direction and the 2nd direction are respectively communicated with, wherein said 1st direction along described 1st, described 2nd direction Along described 1st and not parallel with described 1st direction.

According to said structure, it is possible to increase thermal diffusivity.

Accompanying drawing explanation

Fig. 1 is the schematic isometric of the lighting device illustrating the 1st embodiment.

Fig. 2 A and Fig. 2 B is the schematic diagram of the lighting device illustrating the 1st embodiment.

Fig. 3 A and Fig. 3 B is the schematic isometric of light source cell (unit).

Fig. 4 A and Fig. 4 B is the schematic diagram illustrating projection.

Fig. 5 A to Fig. 5 D is the schematic diagram illustrating communication direction.

Fig. 6 A to Fig. 6 C is the schematic diagram of the layout (1ayout) illustrating light source cell.

Fig. 7 A to Fig. 7 C is the schematic diagram of the layout illustrating light source cell.

Fig. 8 A to Fig. 8 D is the schematic diagram illustrating projection.

Fig. 9 A and Fig. 9 B is the schematic diagram illustrating projection.

Figure 10 A to Figure 10 E is the schematic diagram illustrating projection.

Figure 11 A to Figure 11 C is the schematic diagram illustrating projection.

Figure 12 A to Figure 12 D is the schematic diagram illustrating projection.

Figure 13 A and Figure 13 B is the schematic diagram illustrating projection.

Figure 14 A to Figure 14 D is the schematic diagram illustrating projection.

Figure 15 A to Figure 15 H is the schematic diagram illustrating base portion.

Figure 16 A to Figure 16 G is the schematic diagram of the shape illustrating projection.

Figure 17 A and Figure 17 B is the schematic diagram of the flowing illustrating heat.

Figure 18 A and Figure 18 B is the schematic diagram illustrating base portion.

Figure 19 A and Figure 19 B is the schematic isometric illustrating mounting structure.

Figure 20 A and Figure 20 B is the schematic plan view illustrating mounting structure.

Figure 21 A to Figure 21 C is the schematic diagram illustrating mounting structure.

Figure 22 A and Figure 22 B is the schematic diagram illustrating lampshade (globe).

Figure 23 A and Figure 23 B is the schematic diagram illustrating lampshade.

Figure 24 is the schematic isometric of another example of example support body.

Figure 25 A and Figure 25 B is the schematic diagram of the lighting device illustrating the 2nd embodiment.

Figure 26 is the schematic isometric illustrating light source cell.

Figure 27 is the schematic diagram of the installation illustrating light source cell.

Figure 28 A to Figure 28 C is the schematic diagram of the installation illustrating light source cell.

Figure 29 A to Figure 29 C is the schematic diagram of the reflection illustrating light.

Figure 30 is the schematic isometric illustrating light source cell.

Figure 31 A and Figure 31 B is the schematic diagram of the mounting structure illustrating light source cell.

Figure 32 is the schematic isometric illustrating light source cell.

Figure 33 A and Figure 33 B is the schematic diagram of the mounting structure illustrating light source cell.

Figure 34 A and Figure 34 B is the schematic diagram illustrating fixture.

Reference:

10: lamp holder

20: supporter

21: housing section

22: installation portion

22a: stationary plane

22d: gap

The upper surface of 22u: installation portion

22h, 35h, 300h, 317h, 318h: hole

23: heat radiation projection

30,30A～30D: light source cell

31: base portion

31a: the 1

31b: the 2

31c: notch part

31h: through hole

31t, 35: projection

32: illuminating part

33: frame component

34: lampshade

34h: hole portion

35s: screw

35t: screw thread

110,120,190: lighting device

200: reflecting member

210, d: gap

211: inner peripheral portion

211g: mounting groove

212: peripheral part

212a: the 1 groove portion

212b: the 2 groove portion

213: the 1 fixtures

213t, 315: protuberance

214: the 2 fixtures

300: mounting ring

301: screw

310a: part 1

310b: part 2

311: the 1 ends

312: the 2 ends

313: the 3 ends

314: the 4 ends

317,318: installation portion

321:LED

322: substrate

325: insulation sheet material

341: the part that relatively base portion bloats laterally

350: air flow circuit

Ax: axle

D1: the 1 direction

D2: the 2 direction

D3: the 3 direction

D4: the 4 direction

D5: the 5 direction

Pt1: the 1 protuberance

Pt2: the 2 protuberance

R1: external diameter

RD: surrounding

The lower surface of the s1: the 1 protuberance

The upper surface of the s2: the 2 protuberance

SR: region

TM1, TM2, TM11, TM21: electrode

The upper end of uf: light source cell

W: width

W1: the 1 width

W2: the 2 width

Detailed description of the invention

Hereinafter, with reference to the accompanying drawings of multiple embodiments.In the accompanying drawings, identical symbol represents same or similar portion Point.

Fig. 1 is the schematic isometric of the lighting device illustrating the 1st embodiment.Fig. 2 A and Fig. 2 B is to illustrate the 1st embodiment party The schematic diagram of the lighting device of formula.Fig. 2 A represents the constructed profile cut off in the position of the A shown in Fig. 1.Fig. 2 B represents support The schematic isometric in portion.Fig. 3 A and Fig. 3 B represents the stereogram of light source cell.Fig. 3 A represents the stereogram of light source cell.Fig. 3 B is The exploded perspective view of light source cell.Fig. 4 A and Fig. 4 B is the schematic diagram illustrating projection.Fig. 4 A represents the base portion that is conformed with Schematic isometric.Fig. 4 B represents the signal amplification profile of the part B shown in Fig. 4 A.

As it is shown in figure 1, the lighting device 110 of the 1st embodiment comprises lamp holder 10, supporter 20 and multiple light source cell 30.Lighting device 110 carries out luminescence with the multiaspect being made up of multiple light source cells 30.Lighting device 110 can be with use lamp holder 10 The high-intensity discharge (High such as bulb, mercury lamp (1amp) or metal halide lamp (metal halide lamp) Intensity Discharge, HID) lamp etc. exchanges and uses.

Lamp holder 10 is by the part of power supply.On lamp holder 10, such as, it is provided with screw thread.By this screw thread, lamp holder 10 screws togather To not shown lamp socket (socket).Pivot when the axle ax of lamp holder 10 is that lamp holder 10 is screwed together in lamp socket.This embodiment party In formula, Z-direction will be referred to as along the direction of axle ax, a direction in the direction orthogonal with Z-direction is referred to as X-direction, will be with Z Direction and the orthogonal direction of X-direction are referred to as Y-direction.

Supporter 20 is connected to lamp holder 10.Supporter 20 is connected on lamp holder 10.As shown in Figure 2 B, supporter 20 comprises Housing (case) portion 21 and installation portion 22.Housing section 21 is inserted into the inner side of lamp holder 10.In housing section 21, built-in not shown Control substrate.Installation portion 22 is installed on housing section 21.In housing section 21, it is provided with consolidating for fixed light source unit 30 Determine face 22a.

For supporter 20, such as, use the material that thermal conductivity is high.Such as, supporter 20 is by aluminium (A1), magnesium (Mg), copper (Cu), the metal such as the alloy of these metals is formed.But, it is not limited to these materials, it is possible to use high-termal conductivity resin etc. Organic material etc..

Multiple light source cells 30 are mounted respectively in supporter 20.As shown in Fig. 1 and Fig. 2 A, multiple light source cells 30 are divided It is not installed on supporter 20, thus multiple light source cell 30 is along configuring in the surrounding centered by axle ax.Light source cell 30 Such as it is fixed on stationary plane 22a, described stationary plane 22a by screw and is provided at the installation portion 22 of supporter 20.At installation portion 22 are provided with hole 22h.Via this hole 22h, the distribution (not shown) of light source cell 30 is introduced in housing section 21.Distribution is with interior The control substrate put in housing section 21 is connected.

In the example shown in Fig. 1 and Fig. 2 A, the installation portion 22 of supporter 20 is provided with 4 stationary plane 22a.Adjacent The difference toward each other of 2 stationary plane 22a 90 degree.4 light source cells 30 be individually fixed in 4 stationary plane 22a respective on. Thus, in the surrounding centered by axle ax, arrangement angles respectively changes 4 light source cells 30 of 90 degree.

Stationary plane 22a is to be protrusively provided to the direction orthogonal with axle ax.Thus, light source cell 30 is being fixed on fixing Under the state of face 22a, between installation portion 22 and light source cell 30, it is provided with gap 22d.This gap 22d becomes from lighting device The outside of 110 internally imports the ventilation path of air.

Multiple light source cells 30 each include base portion 31, illuminating part 32 and multiple projection 35.The shape of projection 35 is such as For column.As shown in Fig. 3 A and Fig. 3 B, for base portion 31, such as, use the material that thermal conductivity is high.Such as, base portion 31 be by A1, Mg, Cu, the metal such as alloy of these metals are formed.But, it is not limited to these materials, it is possible to use high-termal conductivity The organic materials etc. such as resin.

Base portion 31 is e.g. manufactured by moldings formed therefrom.Base portion 31 has the 1st 31a contacted with supporter 20 And with the 2nd 31b that the 1st 31a is opposition side.Base portion 31, in the bottom of the 1st 31a, contacts with stationary plane 22a.Solid Determine, on the 22a of face, to be provided with screw thread.Base portion 31 is provided with hole, via this hole, screw (not shown) is installed on stationary plane 22a's Screw thread.

For base portion 31 and supporter 20, it is possible to implement the surface such as application or chemical conversion treatment and process.In order to outwards Portion's air heat radiation, the preferably radiance on the surface of base portion 31 and supporter 20 are high.In the case of carrying out application, because of in coating Contained organic material, radiance is higher than the situation that metal surface is exposed.It is further preferred that selectable various tones it In, constitute the pigment of coating without metal filler (filler).Such as, in the case of white application, pigment can be illustrated in In containing as the titanium oxide (TiO of metal oxide₂), zinc oxide (ZnO), barium sulfate (BaSO₄), the white such as magnesia (MgO) The coating that at least one in pigment is above, and the white coating of polyester (polyester) resin system, acrylic acid tree can be illustrated The white coating of fat system, the white coating of epoxy (epoxy) resin system, the white coating of silicone (silicone) resin system, amine The white coating of carbamate (urethane) resin system or the white coating of more than two kinds that will select from these coating The coating etc. combined.In the case of carrying out chemical conversion treatment, preferably metal surface is carried out oxidation processes.For changing Learn conversion processing, such as, select the corrosion resistant aluminium forming anode oxide film to process (alumite treatment) etc..

Illuminating part 32 is installed in the 2nd 31b of base portion 31.As shown in Figure 3 B, illuminating part 32 such as has multiple LED321.Multiple LED321 are installed on substrate 322.

Substrate 322 is e.g. formed by the material that thermal conductivity is high.As the material of substrate 322, such as use Al, Cu, Iron (Fe), the metal such as alloy of these metals.Surface at substrate 322, it is possible to be formed with not shown joining via insulating barrier Line chart case (pattern).It addition, the material of substrate 322 is not limited to illustration person, can suitably change.Such as, as base Plate 322, it is possible to use the substrate being formed with Wiring pattern on the surface of the base material using resin.As the material of substrate 322, also The organic materials such as inorganic material, high-termal conductivity resin such as aluminium nitride (A1N) can be used.It addition, as the material of substrate 322, if Use the material that thermal conductivity is high, just easily the heat produced in light source is discarded to outside via substrate 322 and body.

Illuminating part 32 is to be configured on the 2nd 31b of base portion 31 via insulation sheet material (sheet) 325.Now, from The distribution (not shown) that substrate 322 extends leads to the 1st via through hole 31h set in base portion 31 from the 2nd 31b 31a side.

On the edge of the edge of illuminating part 32 and insulation sheet material 325, it is coated with frame component 33.Frame component 33 passes through screw And it is fixed on base portion 31.Thus, it is fixed in base portion 31 by frame component 33, illuminating part 32 and insulation sheet material 325.

On light source cell 30, it is possible to lampshade 34 is installed.Lampshade 34 has light transmission, it is possible to will shine from light source cell 30 The light outgoing penetrated is to the outside of lighting device 110.Lampshade 34 protects LED321 not encroached on by dust or moisture.And, lampshade 34 Also can have the effect making the light sent from LED321 spread.Lampshade 34 is e.g. formed by the material with light transmission.Make For the material of lampshade 34, such as, the transparent resin such as glass (glass), Merlon (polycarbonate), light transmission is used to make pottery Porcelain (ceramics) etc..And, it is possible to the inner surface if necessary in lampshade 34 is coated with diffusant or fluorophor etc., or makes lampshade Diffusant or fluorophor etc. (or kneading has diffusant or fluorophor in the material of light transmission) are contained in the inside of 34.

As shown in Figure 4 A, the 1st 31a of base portion 31 is provided with multiple projection 35.Multiple projections 35 are respectively from the 1st 31a extends to vertical direction.Multiple projections 35 can improve the thermal diffusivity of base portion 31.Being shaped as of projection 35 be triangular prism shaped, Four prism type, multi-edge column-shaped, cylindrical shape, triangular pyramid, rectangular pyramid shape, polygonal pyramid shape, cone, truncated cone, polygonal pyramid platform Shape etc..Also can be concavo-convex in the surface configuration of projection 35, so that surface area increases.

As shown in Figure 4 B, projection 35 also can have screw 35s from the 2nd 31b on the direction of the 1st 31a.Many Such as 4 projections 35 being arranged in base portion 31 circumference in individual projection 35 are provided with screw 35s.Screw 35s has: hole 35h, from the 2nd 31b towards the 1st 31a, and is arranged to the midway of projection 35；And screw thread 35t, it is located in the 35h of hole. Screw 35s does not runs through projection 35.Position in the Z-direction of 4 screw 35h is different.Screw install from the 2nd 31b side to Screw 35s.By this screw, by frame component 33, the illuminating part 32 being configured on the 2nd 31b is fixed.

Between multiple projections 35, it is provided with the air flow circuit being respectively communicated with along the 1st direction D1 and the 2nd direction D2 350, described 1st direction D1 are along the 1st 31a, described 2nd direction D2 along the 1st 31a and not parallel with the 1st direction D1. Such as, the air flow circuit 350 along the 1st direction D1 connection is provided with a plurality of.And, along the 2nd direction D2 connection Air flow circuit 350 is provided with a plurality of.Air flow circuit 350 is an end from base portion 31 arranges the other end.

So, the air flow circuit 350 being respectively communicated with along the 1st direction D1 and the 2nd direction D2 by setting, thus right Efficiency should be carried out in the 2 of lighting device 110 mounting position to dispel the heat well.That is, when the 1st direction D1 is set to above-below direction And when lighting device 110 is installed on utensil etc., the air heated because of luminous is at the air flow circuit 350 of the 1st direction D1 In natural flow from bottom to up.On the other hand, when the 2nd direction D2 is set to above-below direction, lighting device 110 is installed on device During tool etc., the air heated because of luminous natural flow from bottom to up in the air flow circuit 350 of the 2nd direction D2.No matter It is that whichaway installs lighting device 110, all can carry out efficiency by the natural flow of air and cool down base portion 31 well.

Fig. 5 A to Fig. 5 D is the schematic diagram illustrating communication direction.

Fig. 5 A to Fig. 5 D is illustrated respectively in the schematic plan view looking up base portion 31 with the 1st side orthogonal for 31a.

Example shown in Fig. 5 A is the 1st direction D1 and the 2nd example orthogonal for direction D2.1st direction D1 for example, Z side To.The air flow circuit 350 of the 1st direction D1 is in the 1st end 311 of base portion 31 and is the 2nd of opposition side with the 1st end 311 Linearly arrange between end 312.It is preferable that, the air flow circuit 350 of the 1st direction D1 is provided with in base portion 31 A plurality of.

2nd direction D2 for example, X-direction or for example, Y-direction.The air flow circuit 350 of the 2nd direction D2 is in base portion 31 The 3rd end 313 and and the 4th end 314 that the 3rd end 313 is opposition side between linearly arrange.Ideal It is that the air flow circuit 350 of the 2nd direction D2 is provided with a plurality of in base portion 31.

It is said that in general, when lighting device 110 is installed on utensil etc., have be vertically mounted down by lamp holder 10 to hang down The straight level holding keeping flatly installing with making lamp holder 10 horizontal.

Herein, when being provided with radiating fin (fin) of such as tabular on the 1st 31a of base portion 31, air easily exists Side along the face of radiating fin flows up.On the other hand, air is difficult on the direction orthogonal with the face of radiating fin stream Dynamic.Therefore, keeping and under any one posture of level holding vertical, holding runny direction at air becomes above-below direction In the case of the direction that situation and air are difficult to flow becomes above-below direction, cooling can produce big difference.

As shown in Figure 5A, by the 1st direction D1 is such as set to Z-direction, the 2nd direction D2 is such as set to X-direction or example As being set to Y-direction, thus keep vertical and under the either case of level holding, all air can be made to become easily and flow.Thus, Regardless of lighting device 110 is installed on utensil etc. towards, all can carry out the cooling that efficiency is good.

Example shown in Fig. 5 B is the 1st direction D1 and the 2nd example the most orthogonal for direction D2.By multiple projections 35 Layout, the 1st direction D1 and the 2nd direction D2 also can not be orthogonal.

When lighting device 110 being installed on utensil etc., the most also can with vertical keep and level keep beyond inclination Angle is installed.When the 1st direction D1 is set to Z-direction, the angle installed by making the 2nd direction D2 be unanimously to, thus efficiency Cool down the lighting device 110 installed with angle of inclination well.And, when level keep lighting device 110 time, above-below direction with 2nd direction D2 may not be consistent, even if in the case, it is possible to produces the flowing of air on the 2nd direction D2, thus fills The cooling divided.

Example shown in Fig. 5 C is in addition to, beyond the 1st direction D1 and the 2nd direction D2, be also equipped with the air stream of the 3rd direction D3 The example on road 350.By the layout of multiple projections 35, the 1st direction D1, the 2nd direction D2 and the 3rd direction D3 respectively constitute sky Air-flow road 350.

By the 1st direction D1 being such as set to Z-direction, the 2nd direction D2 being such as set to X-direction or is such as set to Y-direction, Thus keep vertical and under the either case of level holding, all air can be made to become easily and flow.And, by by the 3rd side It is set to the direction beyond X-direction, Y-direction and Z-direction to D3, thus the 3rd direction D3 is set to above-below direction, illumination is installed Cooling in the case of device 110 improves.

Example shown in Fig. 5 D is at the 1st direction D1, the 2nd direction D2, the 3rd direction D3, the 4th direction D4 and the 5th direction D5 The upper example possessing air flow circuit 350 respectively.By the layout (the most irregular layout) of multiple projections 35, in multiple directions Upper composition air flow circuit 350.Thus, no matter towards which direction, lighting device 110 is installed, all can be by near above-below direction Air flow circuit 350 on direction makes air efficiency flow well.Therefore, the cooling of lighting device 110 is for installation side To interdependence die down.

Fig. 6 A to Fig. 6 C is the schematic diagram of the layout illustrating light source cell.

Fig. 6 A represents the example being configured with 3 light source cells 30 in surrounding RD centered by axle ax.Fig. 6 B represents The example of 4 light source cells 30 it is configured with in surrounding RD centered by axle ax.Fig. 6 C represents in the surrounding centered by axle ax The example of 6 light source cells 30 it is configured with on RD.Either which kind of configuration, all between 2 light source cells 30 adjacent one another are It is provided with gap d.

The number of light source cell 30 is not limited to 3,4 and 6.When multiple light source cells 30 are centered by axle ax When being configured in surrounding RD, can produce by multiple light source cell 30 area defined SR.Air is from 2 light sources adjacent one another are Gap d inflow region SR set between unit 30.By being provided with gap d, thus air is easily from the outer side inflow of region SR Inner side.The air of inflow region SR is discharged from top by the air flow circuit 350 shown in such as Fig. 5 A to Fig. 5 D.

Fig. 7 A to Fig. 7 C is the schematic diagram of the layout illustrating light source cell.

Example shown in Fig. 7 A is the example that multiple light source cell 30 configures abreast with axle ax respectively.Fig. 7 B and Fig. 7 C institute The example shown is the example that multiple light source cell 30 is not parallel configuration with axle ax respectively.

In the layout of Fig. 7 B, along with from lamp holder 10 towards away from Z-direction, axle ax becomes near with the distance of light source cell 30.Fig. 7 B Layout in, compared with the layout of Fig. 7 A, the illumination of the upside of lamp holder 10 uprises.In the layout of Fig. 7 C, along with from lamp holder 10 towards Z Direction becomes remote away from, axle aX with the distance of light source cell 30.In the layout of Fig. 7 C, compared with the layout of Fig. 7 A, lamp holder 10 times The illumination of side uprises.

So, the layout of light source cell 30 is the purposes according to lighting device 110 and suitably sets.

Fig. 8 A to Fig. 8 D is the schematic diagram illustrating projection.

Fig. 8 A to Fig. 8 D represents and is looking up along the side of axle ax, multiple Uncrossed examples of projection 35.That is, Fig. 8 A is extremely In example shown in Fig. 8 D, looking up along the side of axle ax, any 1 light source cell more than 30 in multiple light source cells 30 Individual projection 35 not multiple projections 35 with other light sources unit 30 are intersected.

In example shown in Fig. 8 A, multiple light source cells 30 respective in, multiple projections 35 highly consistent.

In example shown in Fig. 8 B, multiple light source cells 30 respective in, hithermost with adjacent light source cell 30 The height of other projections 35 of the aspect ratio of projection 35 is low.

In example shown in Fig. 8 C, multiple light source cells 30 respective in, from the central authorities of base portion 31 towards outside, prominent Play the height gradually step-down of 35.

In example shown in Fig. 8 D, multiple light source cells 30 respective in, projection 35 concentrates on the central authorities of base portion 31 Part.

It follows that the concrete example of projection is illustrated.

Fig. 9 A and Fig. 9 B is the schematic diagram illustrating projection.

Fig. 9 A represents and is looking up along the side of axle ax, multiple Uncrossed examples of projection 35.Fig. 9 A represent along The schematic plan view of the projection that the side of axle ax looks up.Fig. 9 B represents the solid of the shape of the projection 35 shown in diagrammatic illustration 9A Figure.

In example shown in Fig. 9 A and Fig. 9 B, multiple light source cells 30 respective in, for 2 adjacent light source cells The height with another hithermost projection of light source cell 30 35 for a light source cell 30 in 30, in multiple projections 35 Lower than the height of other projections 35.

A light source cell when being configured with multiple light source cell 30, in 2 adjacent light source cells 30 The position of the relatively low projection 35 of 30, configures the higher projection 35 of another light source cell 30.Two projections 35 are not done Relate to.

Figure 10 A to Figure 10 E is the schematic diagram illustrating projection.

Figure 10 A to Figure 10 E represents and is looking up along the side of axle ax, the example that multiple projections 35 are intersected.That is, Figure 10 A To the example shown in Figure 10 E, looking up along the side of axle ax, any 1 light source cell in multiple light source cells 30 Multiple projections 35 of 30 and multiple projections 35 of the other light sources unit 30 adjacent with this light source cell 30 are intersected.

Figure 10 A represents the schematic plan view in the projection looked up along the side of axle ax.

In example shown in Figure 10 A, 2 adjacent light source cells 30 respective in, on the direction along axle ax see Examine, intersected with each other with adjacent light source cell 30 hithermost projection 35 in multiple projections 35.

Figure 10 B represents the schematic isometric of 2 adjacent light source cells 30.Figure 10 C represent light source cell 30 with the 1st The schematic plan view that side orthogonal for face 31a looks up.In example shown in Figure 10 B and Figure 10 C, at 2 adjacent light source lists Unit 30 respective in, along Z-direction arrangement multiple projections 35 row along, multiple projections 35 of the most hithermost row be in Z side Upwards interlock by root.

Figure 10 D represents the schematic isometric of 2 adjacent light source cells 30.Figure 10 E represent light source cell 30 with the 1st The schematic plan view that side orthogonal for face 31a looks up.In example shown in Figure 10 D and Figure 10 E, at 2 adjacent light source lists Unit 30 respective in, along Z-direction arrangement multiple projections 35 row along, multiple projections 35 of the most hithermost row be in Z side Upwards two two ground interlock.

Figure 11 A to Figure 11 C is the schematic diagram illustrating projection.

Figure 11 A to Figure 11 C represents and is looking up along the side of axle ax, the example that multiple projections 35 are intersected.

Figure 11 A represents the schematic plan view in the projection looked up along the side of axle ax.

Figure 11 B and Figure 11 C represents the schematic isometric of the one in 2 adjacent light source cells 30.

In example shown in Figure 11 B, in the row along multiple projections 35 of Z-direction arrangement of light source cell 30, outermost The height of multiple projections 35 of the 1st row become the highest, a low structure.And, with the 1st row phase The height of multiple projections 35 of the 2nd anti-row becomes the lowest, a high structure.1st row in multiple The opposite in phase of the height change of the multiple projections 35 in the phase place of the height change of projection 35 and the 2nd row.

In example shown in Figure 11 C, in the row along multiple projections 35 of Z-direction arrangement of light source cell 30, outermost The height of multiple projections 35 of the 1st row become two high, two low structures the most repeatedly.And, with the 1st row phase The height of multiple projections 35 of the 2nd anti-row becomes two low, two high structures the most repeatedly.1st row in multiple The opposite in phase of the height change of the multiple projections 35 in the phase place of the height change of projection 35 and the 2nd row.

In arbitrary example of Figure 11 B and Figure 11 C, 2 adjacent light source cells 30 respective in, arrange along Z-direction In the most nearest row in the row of multiple projections 35, the higher projection 35 of the relatively low projection 35 in side and opposite side is nibbled The state closed.

Figure 12 A to Figure 12 D is the schematic diagram illustrating projection.

Figure 12 A to Figure 12 D represents and is looking up along the side of axle ax, the example that multiple projections 35 are intersected.And then, figure 12A to Figure 12 D represents multiple projections 35 and the other light sources unit 30 of any 1 light source cell 30 in multiple light source cell 30 Multiple projections 35 link example.

Figure 12 A represents the schematic plan view in the projection looked up along the side of axle ax.Figure 12 B represents that example arrangement has The schematic isometric of the state of multiple light source cells 30.Figure 12 C represents that example arrangement has the state of adjacent 2 light source cell 30 Schematic isometric.Figure 12 D represents the schematic isometric of 1 light source cell 30.

In example shown in Figure 12 A to Figure 12 D, 2 in multiple light source cells 30, opposite each other light source cells 30 Multiple projections 35 are interconnected.And, projection 35, on the direction along axle ax, is alternately arranged on segment-by-segment basis.Opposite each other 2 Between individual light source cell 30, thermal capacitance The book of Changes is spread by multiple projections 35.

Figure 13 A and Figure 13 B is the schematic diagram illustrating projection.

Figure 13 A and Figure 13 B represents and is looking up along the side of axle ax, the example that multiple projections 35 are intersected.Shown in Figure 13 A Example in, on the direction along axle ax, projection 35 is alternately arranged on segment-by-segment basis, and the most alternately makes the radical of projection 35 Different.In Figure 13 B, on the direction along axle ax, projection 35 is alternately arranged with identical radical on segment-by-segment basis.

Figure 14 A to Figure 14 D is the schematic diagram illustrating projection.

Figure 14 A to Figure 14 D represent any 1 light source cell 30 in multiple light source cell 30 multiple projections 35 and with this The example that multiple projections 35 of the other light sources unit 30 that light source cell 30 is adjacent are connected.Example shown in Figure 14 A to Figure 14 D In, between 2 light source cells 30 adjacent one another are in 4 light source cells 30, set in the way of linking 2 light source cells 30 There is multiple projection 35.

Figure 14 A represents the schematic plan view in the projection looked up along the side of axle ax.Figure 14 B represents that example arrangement has The schematic isometric of the state of multiple light source cells 30.Figure 14 C represents that example arrangement has the state of adjacent 2 light source cell 30 Schematic isometric.Figure 14 D represents the schematic isometric of 1 light source cell 30.

As shown in fig. 14d, in 1 light source cell 30, it is only oriented towards 2 adjacent with this light source cell 30 light source cell 30 In side and extend multiple projection 35.As shown in Figure 14 C, in 2 light source cells 30 adjacent one another are, a light source list Multiple projections 35 of unit 30 become the state contacted with another light source cell 30.

As shown in Figure 14 A and Figure 14 B, when being configured with 4 light source cells 30, multiple projections 35 of each light source cell 30 with The mode that contacts with adjacent light source cell 30 and set.Between 2 adjacent light source cells 30, thermal capacitance The book of Changes is by multiple projections 35 and spread.

It addition, in Figure 12 A to Figure 14 D, multiple to multiple projections 35 of 1 light source cell 30 and other light sources unit 30 The structure that projection 35 links is illustrated, but may be used without projection 35 and the other light sources unit 30 of 1 light source cell 30 The structure that base portion 31 links.And, it is possible to use the base portion 31 of 1 light source cell 30 and the base of other light sources unit 30 The structure that portion 31 connects via projection 35.

Fig. 8 A to Figure 14 D shows the concrete example of various projection 35.The configuration of projection 35, shape, radical etc. are to consider to shine The heat dispersion of bright device 110 suitably sets.

Table 1 is simulation (simulation) result representing the change by the substrate temperature keeping posture to cause.

[table 1]

Table 1 represents: set the most in z-direction with having at the lighting device with the projection 35 shown in Fig. 9 A and Fig. 9 B Have in the lighting device of tabular projection of air flow circuit, be respectively adopted vertical holding and the temperature of substrate 322 time level keeps The ratio risen.In table 1, it is set to 1 by vertically keeping the substrate temperature during lighting device with tabular projection.Keep in level In the case of having the lighting device of this tabular projection, the elevated rate of substrate temperature is 1.14.

On the other hand, the elevated rate of vertical substrate temperature when keeping the lighting device with projection 35 is 1.01, with The vertical situation equivalent keeping there is the lighting device of tabular projection.And, when level keeps the lighting device with projection 35 The elevated rate of substrate temperature be 1.04.That is, for having the lighting device of projection 35, keep in vertical holding and level In any one mode, the rising of substrate temperature all will not produce big difference.

And, in the case of level holding has the lighting device of projection 35, with the photograph that level holding has tabular projection The situation of bright device is compared, and temperature rises and reduces about 8%.That is, have in the lighting device of projection 35, because keeping posture to cause Temperature change is inhibited.

Figure 15 A to Figure 15 H is the schematic diagram illustrating base portion.

In base portion 31 shown in Figure 15 A to Figure 15 H, the width W on the direction orthogonal with axle ax of base portion 31 along From the 2nd 31b, the direction towards the 1st 31a narrows.Figure 15 A to Figure 15 H represents showing of the base portion 31 observed in z-direction Meaning plane.The direction for example, X-direction of the width W of base portion 31.

In example shown in Figure 15 A, the trapezoidal shape of shape of the base portion 31 observed in z-direction.Example shown in Figure 15 B In son, observe in z-direction, be provided with C-shaped chamfering in the corner of base portion 31.In example shown in Figure 15 C, see in z-direction Examining, the side of base portion 31 becomes curved surface.In example shown in Figure 15 D, observe in z-direction, set in the corner of base portion 31 There is R shape chamfering.In example shown in Figure 15 E, the shape triangular shape of the base portion 31 observed in z-direction.Shown in Figure 15 F Example in, the shape of the base portion 31 observed in z-direction is pentagon shape.In example shown in Figure 15 G, in z-direction 1st 31a of the base portion 31 observed is arc-shaped.In example shown in Figure 15 H, the base portion 31 observed in z-direction 1st 31a is the curved surface of convex.

In lighting device 110, when making multiple light source cell 30 along configuration in the surrounding centered by axle ax, adjacent Light source cell 30 between be provided with gap d (with reference to Fig. 6 A to Fig. 6 C).If using the base portion 31 shown in Figure 15 A to Figure 15 H, then The interval of this gap d expands towards inner side from the outside of lighting device 110.Therefore, air is from the outside warp of lighting device 110 Smoothly flowed therein by gap d, thus cooling effect improves.

Figure 16 A to Figure 16 G is the schematic diagram of the shape illustrating projection.

Figure 16 A to Figure 16 G represents the schematic plan view observing projection 35 from the bearing of trend of projection 35.Figure 16 A to Figure 16 C It it is the example of rectangular-shaped projection 35.Figure 16 A represents the projection 35 of square shape.Figure 16 B and Figure 16 C represents OBL prominent Play 35.Figure 16 D represents the projection 35 of toroidal.Figure 16 E and Figure 16 F represents the projection 35 of elliptical shape or oblong shape.

Projection 35 can so as consider variously-shaped.Herein, as shown in Figure 16 B, Figure 16 C, Figure 16 E and Figure 16 F, using In the case of there is the shape of major axis and short axle, it may be desirable to, as shown in Figure 16 G, make major axis be unanimously to air to be made easy Direction in flowing.

Figure 17 A and Figure 17 B is the schematic diagram of the flowing illustrating heat.

Figure 17 A represents the example being linked with multiple projection 35 between 2 adjacent light source cells 30.Figure 17 A represents water The flowing of the heat under the flat state keeping lighting device 110.In the case of level keeps, the light source cell 30 of upside easily reaches To high temperature.

The heat produced in light source cell 30 is transferred to the end of adjacent light source cell 30 from base portion 31 via projection 35 Seat portion 31.In the case of level keeps, the heat light source cell 30 from the high upside of temperature is to the low other light sources unit of temperature 30 transmission.By the dispersion of heat, the laying particular stress on of heat of lighting device 110 is inhibited.

Figure 17 B represents the situation that the gap d set between adjacent light source cell 30 of air flows into.Figure 17 B represents water The flowing of the air under the flat state keeping lighting device 110.The air gap d from the downside of lighting device 110 enters illumination The inner side of device 110, and it is discharged to outside from the gap d of upside.When air flows in the inner side of lighting device 110, contact is many Individual projection 35.Thus, heat is transferred to air from projection 35, and lighting device 110 is cooled down.

Figure 18 A and Figure 18 B is the schematic diagram illustrating base portion.

In example shown in Figure 18 A and Figure 18 B, base portion 31 is provided with part 1 310a and part 2 310b.1st Part 310a has the 1st width W1 on the direction orthogonal with axle ax.Part 2 310b, on the direction orthogonal with axle ax, has There is the 2nd width W2 narrower for width W1 than the 1st.In example shown in Figure 18 A, it is provided with multiple part 2 310b in z-direction.Figure In example shown in 18B, it is provided with 2 part 2s 310b in z-direction.

So, be there is the base portion 31 of the different part of width by use, it is possible to expand adjacent light source cell 30 it Gap d set by between.Thus, air will flow into the inside of lighting device 110 well from gap d efficiency.

Figure 19 A and Figure 19 B is the schematic isometric illustrating mounting structure.

Figure 19 A represents the state being fixed to one another by multiple light source cells 30.Figure 19 B represents the installation knot of light source cell 30 Structure.

As shown in Figure 19 B, base portion 31 has the 1st protuberance pt1 and the 2nd protuberance pt2.1st protuberance pt1 is located at On 1 31a, and highlight from the 1st 31a.1st protuberance pt1 from such as with the 1st direction orthogonal for 31a or from the 1st 31a is prominent to tilted direction.2nd protuberance pt2 is located on the 1st 31a, and highlights from the 1st 31a.2nd protuberance pt2 is from example As with the 1st direction orthogonal for 31a or prominent to tilted direction from the 1st 31a.1st protuberance pt1 is located at leaning on of base portion 31 The side of a nearly side, the 2nd protuberance pt2 is located at the side of the close another side of base portion 31.

1st protuberance pt1 of any 1 light source cell 30 in multiple light source cells 30 such as by screw and with this 2nd protuberance pt2 fastening of the other light sources unit 30 that light source cell is adjacent.The height of the lower surface s1 of the 1st protuberance pt1 Height (the upper end from base portion 31 of the upper surface s2 of (distance counted from the upper end uf of base portion 31) and the 2nd protuberance pt2 The distance that uf is counted) roughly equal.

Such as, when configure 4 light source cell 30A to light source cell 30D time, the 1st protuberance pt1 of light source cell 30A with The 2nd protuberance pt2 of the adjacent light source cell 30B of light source cell 30A is overlapping, and is fastened by screw.Light source cell 30B The 2nd protuberance pt2 of adjacent light source cell 30C of the 1st protuberance pt1 and light source cell 30B overlapping, and by screw Fastening.The 2nd protuberance pt2 of the 1st light source cell 30D adjacent with light source cell 30C for protuberance pt1 of light source cell 30C Overlap, and fastened by screw.1st light source cell adjacent with light source cell 30D for protuberance pt1 of light source cell 30D The 2nd protuberance pt2 of 30A is overlapping, and is fastened by screw.

So, in 4 the light source cell 30A to light source cell 30D in surrounding, the side of light source cell adjacent one another are 1st protuberance pt1 is fastened with the 2nd protuberance pt2 of opposite side.Thus, 4 light source cell 30A to light source cell 30D are with that This mode supported is by fixing.

Herein, if making the height of the lower surface s1 of the 1st protuberance pt1 and the height of the upper surface s2 of the 2nd protuberance pt2 in advance Spend roughly equal, then, when making 4 light source cell 30A to light source cell 30D fix, the position of respective upper end uf becomes one Cause.

Figure 20 A and Figure 20 B is the schematic plan view illustrating mounting structure.

Figure 20 A represents the 1st set protuberance pt1 and the 2nd protuberance pt2 on the 1st 31a of use, fixes 4 light sources The state of unit 30A to light source cell 30D.Figure 20 B represents with the respective upper end of 4 light source cell 30A to light source cell 30D The state being fixed.

In Figure 20 A and Figure 20 B, when observing in z-direction, at 4 light source cell 30A of the inner side of same outer diameter r1 configuration extremely In the case of light source cell 30D, in the mounting structure shown in Figure 20 A, it is possible to use the mounting structure shown in width ratio Figure 20 B Wide base portion 31.

That is, in the mounting structure shown in Figure 20 A, owing to using the 1st protuberance pt1 and the 2nd set on the 1st 31a to dash forward Go out portion pt2 and fix 4 light source cell 30A to light source cell 30D, therefore outside the 1st protuberance pt1 and the 2nd protuberance pt2 Side is configured with light source cell 30A to light source cell 30D.

On the other hand, in the mounting structure shown in Figure 20 B, due to the space (space) of mounting portion to be guaranteed, therefore phase Ying Di, the narrowed width of base portion 31.Therefore, by using the mounting structure shown in Figure 20 A, tie with the installation shown in Figure 20 B Structure is compared, even identical external diameter r1, it is also possible to use the base portion 31 that width is wide such that it is able to improve thermal diffusivity.

Figure 21 A to Figure 21 C is the schematic diagram illustrating mounting structure.

Figure 21 A represents the schematic isometric of the upper end side of base portion 31.In the base portion 31 shown in Figure 21 A, dash forward the 2nd The root going out portion pt2 is provided with notch part 31c.The upper surface of notch part 31c and the upper surface of the 2nd protuberance pt2 are the same face.Logical Cross and this kind of notch part 31c is set, thus on the setting angle of 2 adjacent light source cells 30, produce the free degree.

Figure 21 B represents the example being provided with 5 light source cells 30.Figure 21 C represents the example being provided with 6 light source cells 30 Son.By arranging notch part 31c, when overlapping with the 1st protuberance pti on the 2nd protuberance pt2, even if changing the 1st The protuberance pti angle relative to the 2nd protuberance pt2, the 1st protuberance pt1 also will not interfere with the 2nd protuberance pt2.Cause This, even identical mounting structure, it is possible to freely set the setting angle of adjacent 2 light source cell 30.

It addition, Figure 21 A to Figure 21 C shows the example installing 4,5 and 6 light source cells 30, but as long as being installation 3 The situation of individual above light source cell 30 is equally.

Figure 22 A and Figure 22 B is the schematic diagram illustrating lampshade.

Figure 22 A shows the schematic isometric representing the state being provided with lampshade on lighting device 110.Figure 22 B represents The schematic isometric that the mounting portion of lampshade is amplified.As shown in Figure 22 A and Figure 22 B, lampshade 34 and the week being located at base portion 31 Projection 31t of edge is fitted together to.At the periphery of lampshade 34, it is provided with the hole portion 34h chimeric with projection 31t.

Projection 31t is located at the such as upper surface and side of base portion 31.Hole portion 34h is the position one with these projections 31t It is arranged in the periphery of lampshade 34 with causing.The position of projection 31t set on a side in 2 sides of base portion 31 with The position of projection 31t set on another side deviates.That is, in 2 adjacent light source cells 30, projection 31t is Configure with offseting one from another in z-direction.And, the position of hole portion 34h set on a side in 2 sides of lampshade 34 Put the position with hole portion 34h set on another side to deviate.That is, in 2 adjacent light source cells 30, hole portion 34h configures with offseting one from another in z-direction.Thus, between 2 adjacent light source cells 30, the installation of lampshade 34 each other Portion will not interfere.

Figure 23 A and Figure 23 B is the schematic diagram illustrating lampshade.

Figure 23 A represents the schematic isometric of the partly cut-away of the shape illustrating lampshade.Figure 23 B represents the shape illustrating lampshade The constructed profile observed in z-direction.As shown in Figure 23 A and Figure 23 B, observing from the direction along axle ax, lampshade 34 has There is the part 341 that the circumference of relatively base portion 31 bloats laterally.Such as, lampshade 34 have relatively base portion 31 upper surface, under The part 341 that end face and side bloat the most laterally.

Even if when the material using the material that improve diffusance to be used as lampshade 34, in the diffusion of the rear of lampshade 34 Light still can be discarded to outside from the part 341 that relatively base portion 31 bloats laterally.Therefore, the derivation efficiency of light, lamp will not be damaged Cover 34 is by Integral luminous.Therefore, the non-lighting part of lighting device 110 tails off.

Figure 24 is the schematic isometric of another example of example support body.

Supporter 20 shown in Figure 24 has heat radiation projection 23.Heat radiation projection 23 is the such as installation portion 22 from supporter 20 Upper surface 22u be protrusively provided.The upper surface 22u of installation portion 22 is by multiple light source cell 30 areas encompassed, therefore The thermal capacitance released from multiple light source cells 30 is easily accumulated.By arranging heat radiation projection 23, thus supporter 20 at this upper surface 22u Thermal diffusivity improve.It addition, the shape of heat radiation projection 23 is not limited to the shape of diagram.

Figure 25 A and Figure 25 B is the schematic diagram of the lighting device illustrating the 2nd embodiment.

Figure 25 A represents the schematic isometric of the lighting device 120 of the 2nd embodiment.Figure 25 B represents the 2nd embodiment The schematic plan view of lighting device 120.

Figure 26 is the schematic isometric illustrating light source cell.

Figure 27 is the constructed profile of the installation illustrating light source cell.

As shown in fig. 25 a, the lighting device 120 of the 2nd embodiment possesses lamp holder 10, supporter 20 and multiple light source cell 30.Multiple light source cells 30 each include base portion 31, illuminating part 32 and multiple projection 35.

In lighting device 120, supporter 20 includes the inner peripheral portion 211 centered by axle ax and centered by axle ax It is located at the peripheral part 212 in the outside of inner peripheral portion 211.Gap 210 it is provided with between inner peripheral portion 211 and peripheral part 212.Multiple light sources Unit 30 is each inserted into the gap 210 being located between inner peripheral portion 211 and peripheral part 212.

As shown in Figure 25 B and Figure 26, multiple light source cells 30 respective in, base portion 31 has and is located on the 2nd 31b Protuberance 315.As shown in figure 27, peripheral part 212 has the 1st groove portion 212a along the surrounding centered by axle ax.By light When source unit 30 is installed on supporter 20, protuberance 315 is made to be embedded in the 1st groove portion 212a.

As shown in Figure 25 B, peripheral part 212 has and is communicated to the 2nd till the 1st groove portion 212a from the upper end of peripheral part 212 Groove portion 212b.The width of the width ratio protuberance 315 of the 2nd groove portion 212b is slightly wider.

When light source cell 30 is installed on supporter 20, first protuberance 315 is directed at the 2nd groove portion 212b and inserts.With After, when being inserted into by protuberance 315 till the position of the 1st groove portion 212a, make protuberance 315 sliding in the 1st groove portion 212a Dynamic (slide).Slided along the 1st groove portion 212a by protuberance 315, thus light source cell 30 is along inner peripheral portion 211 and peripheral part Gap 210 between 212 and move.

It is preferable that, the bottom of the base portion 31 in being inserted into gap 210, the 1st 31a is in along inner peripheral portion The concave curved surface of the curved surface of 211.And, it may be desirable to, the bottom of the base portion 31 in being inserted into gap 210, the 2nd 31b is in the convex surface of the curved surface along peripheral part 212.Thus, the rotation smoothly carrying out light source cell 30 is right with supporter 20 Certain support of light source cell 30.

The optional position in the gap 210 that multiple light source cells 30 are inserted on circumference.As shown in Figure 25 A and Figure 25 B, In lighting device 120, multiple light source cells 30 are partial to the part in the complete cycle in gap 210 and are configured.It addition, multiple light source lists Unit 30 also can be arranged on the complete cycle in gap 210 equably.

As shown in figure 27, in base portion 31, have and the electrode TM1 and electrode TM2 of illuminating part 32 conducting.Electrode TM1 For example, positive pole, electrode TM2 for example, negative pole.On peripheral part 212, have contact with electrode TM1 and electrode TM2 respectively and with The electrode TM11 and electrode TM21 of lamp holder 10 conducting.Electrode TM11 and electrode TM21 is to set along the inner peripheral surface of peripheral part 212. Which position in the gap 210 no matter light source cell 30 being arranged between inner peripheral portion 211 and peripheral part 212, electrode TM1 and electricity Pole TM2 and electrode TM11 and electrode TM21 all can contact, thus obtains the conducting of lamp holder 10 and illuminating part 32.

Figure 28 A to Figure 28 C is the schematic diagram of the installment state illustrating light source cell.

Figure 28 A to Figure 28 C represents the layout of the light source cell observed in z-direction.Figure 28 A represents that layout has 6 equably The state of individual light source cell 30.Figure 28 B represents that layout equably has the state of 8 light source cells 30.Figure 28 C represents that biasing is (non- Impartial) layout have the state of 4 light source cells 30.

As shown in Figure 28 A and Figure 28 B, when layout equably has multiple light source cell 30, throughout lighting device The complete cycle of 120 and release light.On the other hand, as shown in fig. 28 c, when offsettingly layout has multiple light source cell 30, Light is released consumingly towards the direction being configured with light source cell 30.

Figure 29 A to Figure 29 C is the schematic diagram of the reflection illustrating light.

Figure 29 A to Figure 29 C represents that level keeps the state of lighting device.Figure 29 A represents on the direction orthogonal with axle ax Eye-level keeps the constructed profile of the state of lighting device 120.Figure 29 B represents from the direction eye-level guarantor along axle ax Hold the constructed profile of the state of lighting device 120.Figure 29 C represents from the direction eye-level holding lighting device along axle ax The constructed profile of the state of 190.

In lighting device 190, it is configured with multiple light source cell 30 equably.At lighting device 120 and lighting device 190 Any one in, be equipped with 4 light source cell 30A to light source cell 30D.And, for lighting device 120 and lighting device For any one of 190, it is equipped with reflecting member 200 in the upside of lighting device 120 and lighting device 190.

As shown in Figure 29 C, in lighting device 190, release from the 2 of downside light source cell 30C and light source cell 30D Light is directly toward downside.On the other hand, the light released from the 2 of upside light source cell 30A and light source cell 30B is arranged on upside Reflecting member 200 reflection after towards downside.Therefore, compared with 2, downside light source cell 30C and light source cell 30D, upside 2 The loss (1oss) of individual light source cell 30A and light source cell 30B is bigger.

And, in lighting device 190, the heat released from 4 light source cell 30A to light source cell 30D is natural from bottom to up Convection current, thus heat storage is under reflecting member 200.Therefore, the temperature ratio of 2, upside light source cell 30A and light source cell 30B Play 2 the light source cell 30C in downside and the temperature of light source cell 30D and easily uprise.

On the other hand, as shown in Figure 29 A and Figure 29 B, in lighting device 120, from 4 light source cell 30A to light source list The major part of the light that unit 30D releases is directly toward downside.It is additionally, since 4 light source cell 30A all to set to light source cell 30D In downside, even if therefore heat storage is under reflecting member 200,4 light source cell 30A to light source cell 30D are also difficult to be subject to The impact of this heat.

Figure 30 is the schematic isometric illustrating light source cell.

Figure 31 A and Figure 31 B is the schematic diagram of the mounting structure illustrating light source cell.

Figure 31 A is the schematic isometric of the example representing mounting ring (ring).Figure 31 B is that the signal illustrating installment state is cutd open Face figure.

Light source cell 30 shown in Figure 30 is used to the example of the light source cell 30 of lighting device 120.Shown in Figure 30 The upper end uf of light source cell 30, be provided with to the 1st installation portion that 31a side is prominent 317.Installation portion 317 is provided with hole 317h.

As shown in fig. 3 ia, mounting ring 300 is provided with multiple hole 300h.As shown in figure 31b, at multiple light source cells 30 Being inserted under the state in the gap 210 between inner peripheral portion 211 and peripheral part 212, multiple light source cells 30 are by mounting ring 300 By fixing.That is, the multiple respective installation portion of light source cell 30 317 obtains via screw 301 with the hole 300h of mounting ring 300 Fastening.

In mounting ring 300, it is provided with and the hole 300h of multiple respective configuration consistencies of light source cell 30.By screw 301, The installation portion 317 of light source cell 30 is fixed to in the hole 300h of the configuration consistency of each light source cell 30, thus with axle ax Centered by surrounding on assigned position fix multiple light source cell 30 respectively.

It addition, when being fixed with multiple light source cell 30 by mounting ring 300, it is possible to make mounting ring 300 with Rotate centered by axle ax.Thus, when keeping the relative position relation of multiple light source cells 30, multiple light source cells 30 entirety rotate relative to supporter 20.Such as, by being screwed into, the lamp holder 10 of lighting device 120 is being installed to lamp socket After (not shown), it is possible to make mounting ring 300 rotate, with light source cell 30 is adjusted to required towards.

Figure 32 is the schematic isometric illustrating light source cell.

Figure 33 A and Figure 33 B is the schematic diagram of the mounting structure illustrating light source cell.

Figure 33 A is the schematic isometric of the example representing inner peripheral portion 211.Figure 33 B is the schematic section illustrating installment state Figure.

As shown in figure 32, in this light source cell 30, in base portion 31, it is not provided with protuberance 315 as shown in figure 30.? In light source cell 30 shown in Figure 32, it is provided with installation portion 318 in the downside of base portion 31.Installation portion 318 is from the 1st of base portion 31 the Face 31a extends to the 1st direction vertical for 31a.Installation portion 318 is provided with hole 318h.In base portion 31 the 1st The downside of 31a, is provided with electrode TM1 and electrode TM2.

As shown in figure 33 a, at the outer peripheral face of inner peripheral portion 211, it is provided with electrode TM11 and electrode TM21.And, in inner peripheral portion The upper surface of 211, is circumferentially provided with mounting groove 211g shape.

As shown in Figure 33 B, multiple light source cells 30 are inserted between inner peripheral portion 211 and peripheral part 212 set gap 210 In.When light source cell 30 is inserted in gap 210, the electrode TM1 and electrode TM2 of base portion 31 be located at inner peripheral portion 211 Electrode TM11 and electrode TM21 on outer peripheral face contact.

When light source cell 30 is inserted in gap 210, the upper surface phase of the lower surface of installation portion 318 and inner peripheral portion 211 Contact.When the lower surface of installation portion 318 contacts with the upper surface of inner peripheral portion 211, screw 301 is inserted installation portion In the hole of 318, and screw 301 is fixed on mounting groove 211g.Thus, light source cell 30 is fixed in the predetermined bits in gap 210 Put.Light source cell 30 is fixed on along the optional position in the surrounding of mounting groove 211g.

Figure 34 A and Figure 34 B is the schematic diagram illustrating fixture.

If not using the mounting structure shown in Figure 30 to Figure 33 B, the most multiple light source cells 30 can move along gap 210 Dynamic.Therefore, it is possible to as shown in fig. 34 a, gap 210 is not provided with the part of multiple light source cell 30, the 1st fixture 213 is set.

On the 1st fixture 213, it is possible to protuberance 213t is set.The width of width ratio the 2nd groove portion 212b of protuberance 213t is slightly Narrow.After being inserted by protuberance 213t alignment the 2nd groove portion 212b, protuberance 213t is made to slide along the 1st groove portion 212a.Thus, What the 1st fixture 213 was embedded in gap 210 is not provided with the part of multiple light source cell 30.When the 1st fixture 213 is embedded gap When 210, the complete cycle in gap 210 is filled by multiple light source cell the 30 and the 1st fixtures 213, thus multiple light source cell 30 is relative Position will not offset.

And, it is possible to as illustrated in figure 34b, in the 2nd groove portion 212b, configure the 2nd fixture 214.The width of the 2nd fixture 214 is Roughly the same with the width of the 2nd groove portion 212b.When the 2nd fixture 214 is embedded the 2nd groove portion 212b, multiple light source list can be prevented Unit's the 30 or the 1st fixture 213 departs from from supporter 20.

Above-mentioned multiple embodiments can be implemented by the way of following.

(1) a kind of lighting device, including: lamp holder；Supporter, is connected to described lamp holder；And multiple light source cell, install In described supporter, and along configuring in the surrounding centered by the axle by described lamp holder, and the plurality of light source cell is each Including base portion, illuminating part and multiple projection, described base portion has the 1st contacted with described supporter and with the described 1st Face is the 2nd of opposition side, and described illuminating part is installed in described 2nd of described base portion, and the plurality of projection is located at institute State on described 1st of base portion, and between the plurality of projection, be provided be respectively communicated with along the 1st direction and the 2nd direction and The air flow circuit become, described 1st direction is along described 1st, and described 2nd direction is along described 1st, and not with the described 1st Direction is parallel.

(2) according to the lighting device described in described (1), wherein, described 1st direction is the direction along described axle, described 2nd direction is the direction orthogonal with described axle.

(3) according to the lighting device described in described (1) or (2), wherein, the plurality of projection is along the institute of described 1st State the 1st direction and described 2nd direction and be configured to rectangular.

(4) according to described (1) to the lighting device according to any one of (3), wherein, in the plurality of light source cell, It is provided with gap between 2 described light source cells adjacent one another are.

(5) according to described (1) to the lighting device described in (4), wherein, the direction orthogonal with described axle of described base portion On width narrow along from the described 2nd facing to the direction of described 1st.

(6) according to described (1) to the lighting device according to any one of (5), wherein, the direction along described axle is seen Examining, the plurality of projection of the 1st light source cell in the plurality of light source cell is with the plurality of projection of the 2nd light source cell not Intersect.

(7) according to described (1) to the lighting device according to any one of (5), wherein, the direction along described axle is seen Examine, the plurality of projection of the 1st light source cell in the plurality of light source cell and the adjacent with described 1st light source cell the 2nd The projection of light source cell is intersected.

(8) according to described (1) to the lighting device according to any one of (5), wherein, in the plurality of light source cell The plurality of projection of 1 light source cell links with the plurality of projection of the 2nd light source cell.

(9) according to described (1) to the lighting device according to any one of (5), wherein, in the plurality of light source cell The plurality of projection of 1 light source cell links with the described base portion of the 2nd light source cell.

(10) according to described (1) to the lighting device according to any one of (9), wherein, described base portion has part 1 With part 2, described part 1 has the 1st width on the direction orthogonal with described axle, described part 2 with described axle On orthogonal direction, there is the 2nd width than described 1st narrow width.

(11) according to described (1) to the lighting device according to any one of (10), wherein, described base portion has and is located at institute State the 1st upper and from described 1st the 1st prominent protuberance and be located at described 1st and from described 1st the prominent the 2nd Protuberance, described 1st protuberance of the 1st light source cell in the plurality of light source cell and adjacent with described 1st light source cell Described 2nd protuberance of the 2nd light source cell be fastened.

(12) according to the lighting device described in described (11), wherein, from the end face of described base portion to described 1st protuberance Lower surface till distance equal with the distance to the upper surface of described 2nd protuberance from described end face.

(13) according to the lighting device described in described (12), wherein, in the plurality of light source cell, adjacent one another are 2 Described the of described 1st protuberance of a described light source cell in individual described light source cell and another described light source cell 2 protuberances are fastened.

(14) according to described (1) to the lighting device according to any one of (13), wherein, described projection has along from institute State the 2nd facing to described 1st direction arrange screw.

(15) according to the lighting device described in described (14), wherein, described screw is not through described projection.

(16) according to described (1) to the lighting device according to any one of (15), further include: lampshade, described by being located at Connecting portion on the circumference of base portion and install.

(17) according to the lighting device described in described (16), wherein, in the plurality of light source cell, adjacent one another are Between 2 described light source cells, the installation portion that described lampshade is installed on described base portion is on the direction along described axle Configure with offseting one from another.

(18) according to the lighting device described in described (16) or (17), wherein, observe from the direction along described axle, described Lampshade has the part that the described circumference of more described base portion bloats laterally.

(19) according to described (1) to the lighting device according to any one of (18), wherein, fixed at described light source cell Under the state of described supporter, between described supporter and described light source cell, it is provided with gap.

(20) according to described (1) to the lighting device according to any one of (19), wherein, to have heat radiation prominent for described supporter Rise.

(21) according to described (1) to the lighting device according to any one of (20), wherein, described supporter includes with described Inner peripheral portion centered by axle and centered by described axle and be located at the peripheral part in outside of described inner peripheral portion, the plurality of light source Unit is separately mounted between described inner peripheral portion and described peripheral part.

(22) according to the lighting device described in described (21), wherein, described base portion has be located on described 2nd convex Portion, described peripheral part, with on described inner peripheral portion face in opposite directions, has the 1st groove portion along the surrounding centered by described axle, Described protuberance is chimeric with described groove portion.

(23) according to the lighting device described in described (22), wherein, described peripheral part has the end from described peripheral part It is communicated to the 2nd groove portion till described 1st groove portion.

(24) according to described (21) to the lighting device according to any one of (23), wherein, described base portion has and sets On described 2nd described illuminating part conducting the 1st electrode, described peripheral part have with described 1st electrode contact and with institute State the 2nd electrode of lamp holder conducting.

(25) according to described (21) to the lighting device according to any one of (24), further include: the 1st fixture, be configured in The part of the plurality of light source cell it is not provided with between described inner peripheral portion and described peripheral part.

(26) according to described (21) to the lighting device according to any one of (25), further include: the 2nd fixture, be configured in In described 2nd groove portion.

As described above, according to the lighting device of embodiment, it is possible to increase multiple light source cells are configured cyclization Thermal diffusivity during shape.

Above, present embodiment and variation thereof are illustrated, but the present invention is not limited to these examples.Example Add as, those skilled in the art are appropriately inscape to aforesaid each embodiment or its variation, delete, The embodiment of design alteration or variation or by embodiment appropriately combined for the feature of each embodiment, as long as tool The purport of the standby present invention, then be also contained in the scope of the present invention.

Some embodiments of the present invention are illustrated, but these embodiments are only and illustrate, it is not intended to limit The scope of invention.These embodiments can be implemented with other various forms, in the range of the purport without departing from invention, and can Carry out various omission, replace, change.These embodiments and variation thereof are included in scope or the purport of invention, and wrap Be contained in in the scope of its equalization.

Claims (9)

1. a lighting device, it is characterised in that including:

Lamp holder；

Supporter, is connected to described lamp holder；And

Multiple light source cells, are installed on described supporter, and along configuring in the surrounding centered by the axle by described lamp holder, and

The plurality of light source cell each includes:

Base portion, have the 1st contacted with described supporter and with the 2nd that described 1st is opposition side；

Illuminating part, is installed on described 2nd of described base portion；And

Multiple projections, are located on described 1st of described base portion, and

Between the plurality of projection, it is provided with the air flow circuit being respectively communicated with along the 1st direction and the 2nd direction, Qi Zhongsuo Stating the 1st direction along described 1st, described 2nd direction is along described 1st and not parallel with described 1st direction,

In the plurality of light source cell, between 2 described light source cells adjacent one another are, it is provided with gap.

Lighting device the most according to claim 1, it is characterised in that

Described 1st direction is the direction along described axle,

Described 2nd direction is the direction orthogonal with described axle.

Lighting device the most according to claim 1 and 2, it is characterised in that

The plurality of projection is configured to rectangular along described 1st direction and described 2nd direction of described 1st.

Lighting device the most according to claim 1 and 2, it is characterised in that

The plurality of light source cell has the 1st light source cell and the 2nd light source cell, is looking up along the side of described axle, institute The plurality of projection of the plurality of projection and described 2nd light source cell of stating the 1st light source cell is not intersected.

Lighting device the most according to claim 1 and 2, it is characterised in that

Width on the direction orthogonal with described axle of described base portion along from the described 2nd facing to the direction of described 1st Narrow.

Lighting device the most according to claim 1 and 2, it is characterised in that

Looking up along the side of described axle, the plurality of projection of the 1st light source cell in the plurality of light source cell and The projection of 2nd light source cell adjacent with described 1st light source cell is intersected.

Lighting device the most according to claim 1 and 2, it is characterised in that

The plurality of projection of the 1st light source cell in the plurality of light source cell and the plurality of projection of the 2nd light source cell Link.

Lighting device the most according to claim 1 and 2, it is characterised in that

The plurality of projection of the 1st light source cell in the plurality of light source cell connects with the described base portion of the 2nd light source cell Knot.

Lighting device the most according to claim 1 and 2, it is characterised in that

Described base portion has part 1 and part 2,

Described part 1 and described part 2 are along being parallel to the direction of described axle and interlaced with each other to be arranged at the described end Seat portion,

Described part 1 has the 1st width on the direction orthogonal with described axle and on described 2nd parallel direction,

Described part 2 is on the direction orthogonal with described axle and 1st wider than described with having on described 2nd parallel direction Spend the 2nd narrow width.