CN104019384A - Lighting apparatus - Google Patents

Abstract

The invention provides a lighting apparatus comprising a lamp holder, a support body and a plurality of light source units. The support body is connected to the lamp holder. The plurality of light source untis are installed to the support body and arranged along the periphery with an axis of the lamp holder as the center. Each of the plurality of light source units comprises a pedestal portion, a lighting portion and a plurality of projections. The pedestal portion is provided with a first surface in contact with the support body and a second surface opposite to the first surface. The lighting portion is installed to the second surface of the pedestal portion. The plurality of projections are disposed on the first surface of the pedestal portion. Air flow paths formed by communicating along first directions and second directions are disposed between the plurality of projections, the first directions being along the first surface, and the second directions being along the first surface and being not parallel to the first directions.

Description

Lighting device

The application based on and advocate the rights and interests of the priority of No. 2013-40149th, the existing Japanese patent application of on February 28th, 2013 application, all the elements of this application are incorporated to herein by reference.

Technical field

Multiple embodiment of the present invention relates to a kind of lighting device comprehensively.

Background technology

In recent years, use light emitting diode (Light Emitting Diode, LED) as the exploitation of the lighting device of semiconductor light-emitting elements just prevailing.In lighting device, consider the viewpoint that makes Illumination Distribution homogenising, use and be planarly luminous light source cell (unit) sometimes.And then, also consider as lower lighting device: multiple planar light source cells are configured to ring-type, to improve uneven illumination around.In lighting device, key is to improve thermal diffusivity.

Summary of the invention

Embodiments of the present invention provide a kind of lighting device, and this lighting device has the structure that disposes in the form of a ring multiple light source cells, and can improve thermal diffusivity.

The lighting device of embodiment possesses lamp holder, supporter and multiple light source cell.Described supporter is connected in described lamp holder.Described multiple light source cell is installed in described supporter, and in the surrounding centered by the axle by described lamp holder and configure.Described multiple light source cell comprises base portion, illuminating part and multiple projection separately.Described base portion have the 1st of contacting with described supporter and with described the 1st be opposition side the 2nd.Described illuminating part is installed in described the 2nd of described base portion.Described multiple projection is located on described the 1st of described base portion.Between described multiple projections, be provided with along the 1st direction and the 2nd direction and be communicated with respectively the air flow circuit forming, wherein said the 1st direction is along described the 1st, and described the 2nd direction is along described the 1st, and not parallel with described the 1st direction.

According to said structure, can improve thermal diffusivity.

Brief description of the drawings

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

Fig. 2 A and Fig. 2 B are the schematic diagrames that illustrates the lighting device of the 1st embodiment.

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

Fig. 4 A and Fig. 4 B are the schematic diagrames that illustrates projection.

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

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

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

Fig. 8 A to Fig. 8 D is the schematic diagram that illustrates projection.

Fig. 9 A and Fig. 9 B are the schematic diagrames that illustrates projection.

Figure 10 A to Figure 10 E is the schematic diagram that illustrates projection.

Figure 11 A to Figure 11 C is the schematic diagram that illustrates projection.

Figure 12 A to Figure 12 D is the schematic diagram that illustrates projection.

Figure 13 A and Figure 13 B are the schematic diagrames that illustrates projection.

Figure 14 A to Figure 14 D is the schematic diagram that illustrates projection.

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

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

Figure 17 A and Figure 17 B are the mobile schematic diagrames that illustrates heat.

Figure 18 A and Figure 18 B are the schematic diagrames that illustrates base portion.

Figure 19 A and Figure 19 B are the schematic isometric that illustrates mounting structure.

Figure 20 A and Figure 20 B are the schematic plan views that illustrates mounting structure.

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

Figure 22 A and Figure 22 B are the schematic diagrames that illustrates lampshade (globe).

Figure 23 A and Figure 23 B are the schematic diagrames that illustrates lampshade.

Figure 24 is another the routine schematic isometric that illustrates supporter.

Figure 25 A and Figure 25 B are the schematic diagrames that illustrates the lighting device of the 2nd embodiment.

Figure 26 is the schematic isometric that illustrates light source cell.

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

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

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

Figure 30 is the schematic isometric that illustrates light source cell.

Figure 31 A and Figure 31 B are the schematic diagrames that illustrates the mounting structure of light source cell.

Figure 32 is the schematic isometric that illustrates light source cell.

Figure 33 A and Figure 33 B are the schematic diagrames that illustrates the mounting structure of light source cell.

Figure 34 A and Figure 34 B are the schematic diagrames that illustrates fixture.

Reference numeral:

10: lamp holder

20: supporter

21: housing section

22: installation portion

22a: stationary plane

22d: gap

22u: the upper surface of installation portion

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

23: heat radiation projection

30,30A～30D: light source cell

31: base portion

31a: the 1st

31b: the 2nd

31c: notch part

31h: through hole

31t, 35: projection

32: illuminating part

33: frame member

34: lampshade

34h: hole portion

35s: screw

35t: screw thread

110,120,190: lighting device

200: reflecting member

210, d: gap

211: interior perimembranous

211g: mounting groove

212: peripheral part

212a: the 1st slot part

212b: the 2nd slot part

213: the 1 fixtures

213t, 315: protuberance

214: the 2 fixtures

300: installing 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 bloating laterally compared with base portion

350: air flow circuit

Ax: axle

D1: the 1st direction

D2: the 2nd direction

D3: the 3rd direction

D4: the 4th direction

D5: the 5th direction

Pt1: the 1st protuberance

Pt2: the 2nd protuberance

R1: external diameter

RD: surrounding

S1: the lower surface of the 1st protuberance

S2: the upper surface of the 2nd protuberance

SR: region

TM1, TM2, TM11, TM21: electrode

Uf: the upper end of light source cell

W: width

W1: the 1st width

W2: the 2nd width

Detailed description of the invention

Below, with reference to the accompanying drawings of multiple embodiments.In the accompanying drawings, identical symbol represents same or similar part.

Fig. 1 is the schematic isometric that illustrates the lighting device of the 1st embodiment.Fig. 2 A and Fig. 2 B are the schematic diagrames that illustrates the lighting device of the 1st embodiment.Fig. 2 A is illustrated in the constructed profile of the position cut-out of the A shown in Fig. 1.Fig. 2 B represents the schematic isometric of support portion.Fig. 3 A and Fig. 3 B represent 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 are the schematic diagram that illustrates projection.Fig. 4 A represents to establish the schematic isometric of bossed base portion.The signal amplification profile of the B part shown in Fig. 4 B presentation graphs 4A.

As 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 luminous with the multiaspect being made up of multiple light source cells 30.Lighting device 110 can exchange and use with high-intensity discharge (High Intensity Discharge, the HID) lamp such as bulb, mercury lamp (1amp) or metal halide lamp (metal halide lamp) etc. that uses lamp holder 10.

Lamp holder 10 is the parts of powering.On lamp holder 10, for example, be provided with screw thread.By this screw thread, lamp holder 10 screws togather to not shown lamp socket (socket).The axle ax of lamp holder 10 is pivots when lamp holder 10 is screwed together in to lamp socket.In present embodiment, will be called Z direction along the direction of axle ax, by with the orthogonal direction of Z direction in a direction be called directions X, will be called Y-direction with Z direction and the orthogonal direction of directions X.

Supporter 20 is connected in 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, be provided with the stationary plane 22a for fixed light source unit 30.

For supporter 20, for example, use the material that thermal conductivity is high.For example, supporter 20 is formed by metals such as the alloys of aluminium (A1), magnesium (Mg), copper (Cu), these metals.But, be not limited to these materials, also can use the organic materials such as high-termal conductivity resin 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 mounted respectively in supporter 20, thereby multiple light source cell 30 is in the surrounding centered by axle ax and configure.Light source cell 30 is for example fixed on stationary plane 22a by screw, and described stationary plane 22a is the installation portion 22 of being located at supporter 20.On installation portion 22, be provided with hole 22h.Via this hole 22h, the distribution of light source cell 30 (not shown) is introduced in housing section 21.Distribution is to be connected with the control substrate being built in housing section 21.

In the example shown in Fig. 1 and Fig. 2 A, on the installation portion 22 of supporter 20, be provided with 4 stationary plane 22a.2 adjacent stationary plane 22a differ 90 degree toward each other.4 light source cells 30 are individually fixed in going up separately of 4 stationary plane 22a.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 arranging highlightedly with the orthogonal direction of axle ax.Thus, light source cell 30 is being fixed under the state of stationary plane 22a, between installation portion 22 and light source cell 30, is being provided with gap 22d.This gap 22d becomes the ventilation path that imports air from the outside of lighting device 110 to inside.

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

Base portion 31 is for example to manufacture by moldings formed therefrom.Base portion 31 has the 1st 31a contacting with supporter 20 and the 2nd 31b that is opposition side with the 1st 31a.Base portion 31 is in the bottom of the 1st 31a, and 22a contacts with stationary plane.On stationary plane 22a, be provided with screw thread.In base portion 31, be provided with hole, via this hole, screw (not shown) be installed on to the screw thread of stationary plane 22a.

For base portion 31 and supporter 20, also can implement the surface treatment such as application or chemical conversion processing.In order to dispel the heat to extraneous air, preferably the surperficial radiance of base portion 31 and supporter 20 is high.In the situation that carrying out application, because of organic material contained in coating, the situation that radiance is exposed than metal surface is high.More preferably, among selectable various tones, form the not containing metal filler (filler) of pigment of coating.For example, the in the situation that of white application, can be illustrated in and in pigment, contain the titanium oxide (TiO as metal oxide ₂), zinc oxide (ZnO), barium sulfate (BaSO ₄), at least one above coating in the Chinese white such as magnesia (MgO), and can illustrate the whitewash of polyester (polyester) resin system, the whitewash of acrylic resin, the whitewash of epoxy (epoxy) resin system, the whitewash of silicone (silicone) resin system, whitewash or the coating that the whitewash of more than two kinds of selecting is combined etc. of amido formate (urethane) resin system from these coating.In the situation that carrying out chemical conversion processing, preferably oxidation processes is carried out in metal surface.For chemical conversion processing, for example, select the corrosion resistant aluminium processing (alumite treatment) of formation anode oxide film etc.

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

Substrate 322 is formed by the high material of thermal conductivity.As the material of substrate 322, for example, use the metals such as the alloy of Al, Cu, iron (Fe), these metals.On the surface of substrate 322, also can be formed with via insulating barrier not shown Wiring pattern (pattern).In addition, the material of substrate 322 is not limited to illustration person, can suitably change.For example, as substrate 322, also can adopt the substrate that is formed with Wiring pattern on the surface of the base material of use resin.As the material of substrate 322, also can use the organic materials such as inorganic material, high-termal conductivity resin such as aluminium nitride (A1N).In addition, as the material of substrate 322, if use thermal conductivity high material, just easily the heat producing is discarded to outside via substrate 322 and body in light source.

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

On the edge of illuminating part 32 and the edge of insulation sheet material 325, be coated with frame member 33.Frame member 33 is fixed on base portion 31 by screw.Thus, by frame member 33, illuminating part 32 and insulation sheet material 325 are fixed in base portion 31.

On light source cell 30, lampshade 34 also can be installed.Lampshade 34 has light transmission, can be by the light outgoing of irradiating from light source cell 30 outside to lighting device 110.Lampshade 34 protects LED321 not encroached on by dust or moisture.And lampshade 34 also can have the effect that makes the light diffusion of sending from LED321.Lampshade 34 is formed by the material with light transmission.As the material of lampshade 34, for example, use the transparent resin such as glass (glass), Merlon (polycarbonate), light transparent ceramic (ceramics) etc.And, also can be coated with diffusant or fluorophor etc. if necessary in the inner surface of lampshade 34, or make the inside of lampshade 34 contain diffusant or fluorophor etc. (or kneading has diffusant or fluorophor in the material of light transmission).

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

As shown in Figure 4 B, projection 35 also can have screw 35s towards the direction of the 1st 31a from the 2nd 31b.In multiple projections 35 be configured in base portion 31 circumferences for example in 4 projections 35, be provided with screw 35s.Screw 35s has: hole 35h, from the 2nd 31b towards the 1st 31a, and be set to projection 35 midway till; And screw thread 35t, be located in the 35h of hole.Screw 35s does not run through projection 35.Position in the Z direction of 4 screw 35h is different.Screw is mounted to screw 35s from the 2nd 31b side.By this screw, be fixed being disposed at the 2nd illuminating part 32 on 31b by frame member 33.

Between multiple projections 35, be provided with along the 1st direction D1 and the 2nd direction D2 and be communicated with respectively the air flow circuit 350 forming, described the 1st direction D1 is along the 1st 31a, and described the 2nd direction D2 is along the 1st 31a, and not parallel with the 1st direction D1.For example, be communicated with along the 1st direction D1 the air flow circuit 350 forming and be provided with many articles.And, be communicated with along the 2nd direction D2 the air flow circuit 350 forming and be provided with many articles.Air flow circuit 350 be set to the other end from an end of base portion 31 till.

So, be communicated with respectively along the 1st direction D1 and the 2nd direction D2 the air flow circuit 350 forming by arranging, dispel the heat well thereby carry out efficiency corresponding to 2 mounting positions of lighting device 110., while lighting device 110 being installed on when the 1st direction D1 is made as to above-below direction to utensil etc., because of the luminous air being heated natural flow from bottom to up in the air flow circuit 350 of the 1st direction D1.On the other hand, while lighting device 110 being installed on when the 2nd direction D2 is made as to above-below direction to utensil etc., because of the luminous air being heated natural flow from bottom to up in the air flow circuit 350 of the 2nd direction D2.No matter be that whichaway is installed lighting device 110, all can carry out efficiency cooling base portion 31 well by the natural flow of air.

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

Fig. 5 A to Fig. 5 D be illustrated respectively in the 1st direction that 31a is orthogonal on observe the schematic plan view of base portion 31.

Example shown in Fig. 5 A is the 1st direction D1 and the orthogonal example of the 2nd direction D2.The 1st direction D1 is for example Z direction.The air flow circuit 350 of the 1st direction D1 be the 1st end 311 of base portion 31 and and the 2nd end 312 of the 1st 311Wei opposition side, end between linearly setting.Comparatively it is desirable to, the air flow circuit 350 of the 1st direction D1 is provided with many articles in base portion 31.

The 2nd direction D2 is for example directions X or is for example Y-direction.The air flow circuit 350 of the 2nd direction D2 be the 3rd end 313 of base portion 31 and and the 4th end 314 of the 3rd 313Wei opposition side, end between linearly setting.Comparatively it is desirable to, the air flow circuit 350 of the 2nd direction D2 is provided with many articles in base portion 31.

Generally speaking,, in the time lighting device 110 being installed on to utensil etc., there is the vertical maintenance that lamp holder 10 is installed to keep with making lamp holder 10 level horizontal and that flatly install down and vertically.

Herein, in the time being provided with for example tabular radiating fin (fin) on the 1st 31a in base portion 31, air easily flows in the direction of the face along radiating fin.On the other hand, air be difficult to the orthogonal direction of the face of radiating fin on flow.Therefore, vertical keep and any posture that level keeps under, holding runny direction at air becomes the situation of above-below direction and air and is difficult to mobile direction and becomes above-below direction, cooling can produce large difference.

As shown in Figure 5A, by the 1st direction D1 being for example made as to Z direction, the 2nd direction D2 being for example made as to directions X or being for example made as Y-direction, thereby in arbitrary situation of vertical maintenance and level maintenance, all can make air become easily and flow.Thus, regardless of lighting device 110 is installed on utensil etc. towards, all can carry out good cooling of efficiency.

Example shown in Fig. 5 B is the 1st direction D1 and the not orthogonal example of the 2nd direction D2.By the layout of multiple projections 35, the 1st direction D1 and the 2nd direction D2 can be not orthogonal yet.

In the time lighting device 110 being installed on to utensil etc., sometimes also can be vertically to keep and install at the angle of inclination of level beyond keeping.In the time that the 1st direction D1 is made as to Z direction, by making the 2nd direction D2 unanimously in the angle of installing, thus the efficiency cooling lighting device 110 of installing with angle of inclination well.And in the time that level keeps lighting device 110, above-below direction may not be consistent with the 2nd direction D2, but even in this case, also can on the 2nd direction D2, produce flowing of air, thereby carry out cooling fully.

Example shown in Fig. 5 C is except the 1st direction D1 and the 2nd direction D2, also possesses the example of the air flow circuit 350 of the 3rd direction D3.By the layout of multiple projections 35, on the 1st direction D1, the 2nd direction D2 and the 3rd direction D3, form respectively air flow circuit 350.

By the 1st direction D1 being for example made as to Z direction, the 2nd direction D2 being for example made as to directions X or being for example made as Y-direction, thereby in arbitrary situation of vertical maintenance and level maintenance, all can make air become easily and flow.And by the 3rd direction D3 being made as to the direction beyond directions X, Y-direction and Z direction, thereby the cooling in the situation that lighting device 110 being installed the 3rd direction D3 is made as to above-below direction improves.

Example shown in Fig. 5 D is the example that possesses respectively air flow circuit 350 on the 1st direction D1, the 2nd direction D2, the 3rd direction D3, the 4th direction D4 and the 5th direction D5.For example, by the layout (irregular layout) of multiple projections 35, in multiple directions, form air flow circuit 350.Thus, no matter towards which direction, lighting device 110 is installed, all can be by air efficiency being flowed well near the air flow circuit 350 in the direction of above-below direction.Therefore, the cooling of lighting device 110 dies down for the interdependence of installation direction.

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

Fig. 6 A is illustrated in the example that disposes 3 light source cells 30 on the surrounding RD centered by axle ax.Fig. 6 B is illustrated in the example that disposes 4 light source cells 30 on the surrounding RD centered by axle ax.Fig. 6 C is illustrated in the example that disposes 6 light source cells 30 on the surrounding RD centered by axle ax.No matter be which kind of configuration, all between 2 light source cells 30 adjacent one another are, be 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 and while being disposed on surrounding RD, can produce the region SR being surrounded by multiple light source cells 30.Air is from set gap d inflow region SR between 2 light source cells 30 adjacent one another are.By being provided with gap d, thus easily side inflow inner side from the SR of region of air.The air of inflow region SR is discharged from top by for example air flow circuit 350 shown in Fig. 5 A to Fig. 5 D.

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

Example shown in Fig. 7 A is the example that multiple light source cells 30 configure abreast with axle ax respectively.Example shown in Fig. 7 B and Fig. 7 C is the example that multiple light source cells 30 are not parallel configuration with axle ax respectively.

In the layout of Fig. 7 B, along with from lamp holder 10 towards Z direction away from, it is near that the distance of axle ax and light source cell 30 becomes.In the layout of Fig. 7 B, 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 away from, it is far away that the distance of axle aX and light source cell 30 becomes.In the layout of Fig. 7 C, compared with the layout of Fig. 7 A, the illumination of the downside of lamp holder 10 uprises.

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

Fig. 8 A to Fig. 8 D is the schematic diagram that illustrates projection.

Fig. 8 A to Fig. 8 D is illustrated in the direction of axle ax and observes, the Uncrossed example of multiple projections 35.That is, in the example shown in Fig. 8 A to Fig. 8 D, in the direction along axle ax, observe, in multiple light source cells 30, multiple projections 35 of any 1 light source cell 30 are not intersected with multiple projections 35 of other light sources unit 30.

In example shown in Fig. 8 A, multiple light source cells 30 separately in, the height of multiple projections 35 is consistent.

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

In example shown in Fig. 8 C, multiple light source cells 30 separately in, from the central authorities of base portion 31 toward the outer side, the height of projection 35 step-down gradually.

In example shown in Fig. 8 D, multiple light source cells 30 separately in, projection 35 concentrates on the middle body of base portion 31.

Next, the concrete example of projection is described.

Fig. 9 A and Fig. 9 B are the schematic diagrames that illustrates projection.

Fig. 9 A is illustrated in the direction of axle ax and observes, the Uncrossed example of multiple projections 35.Fig. 9 A is illustrated in along the schematic plan view of the projection of observing in the direction of axle ax.The stereogram of the shape of the projection 35 shown in Fig. 9 B representation case diagram 9A.

In example shown in Fig. 9 A and Fig. 9 B, multiple light source cells 30 separately in, for a light source cell 30 in 2 adjacent light source cells 30, in multiple projections 35 low with the height of other projections 35 of the aspect ratio hithermost projection 35 of another light source cell 30.

Disposing under the state of multiple light source cells 30, the position of the lower projection 35 of a light source cell 30 in 2 adjacent light source cells 30, configures the higher projection 35 of another light source cell 30.Two projections 35 are not interfered each other.

Figure 10 A to Figure 10 E is the schematic diagram that illustrates projection.

Figure 10 A to Figure 10 E is illustrated in the direction of axle ax and observes, the example that multiple projections 35 are intersected.That is, in the example shown in Figure 10 A to Figure 10 E, in the direction along axle ax, observe, multiple projections 35 of multiple projections 35 of any 1 light source cell 30 in multiple light source cells 30 and the other light sources unit 30 adjacent with this light source cell 30 are intersected.

Figure 10 A is illustrated in along the schematic plan view of the projection of observing in the direction of axle ax.

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

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 direction that 31a is orthogonal on the schematic plan view observed.In example shown in Figure 10 B and Figure 10 C, 2 adjacent light source cells 30 separately in, in the row of multiple projections 35 of arranging along Z direction, each other multiple projections 35 of hithermost row be in Z direction by root interlock.

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 direction that 31a is orthogonal on the schematic plan view observed.In example shown in Figure 10 D and Figure 10 E, 2 adjacent light source cells 30 separately in, in the row of multiple projections 35 of arranging along Z direction, multiple projections 35 of hithermost row are that two two ground interlock in Z direction each other.

Figure 11 A to Figure 11 C is the schematic diagram that illustrates projection.

Figure 11 A to Figure 11 C is illustrated in the direction of axle ax and observes, the example that multiple projections 35 are intersected.

Figure 11 A is illustrated in along the schematic plan view of the projection of observing in the direction of axle ax.

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

In example shown in Figure 11 B, the height of multiple projections 35 in the row of multiple projections 35 of arranging along Z direction of light source cell 30, outermost the 1st row become in Z direction high, a low structure repeatedly.And, become in Z direction repeatedly with the height of multiple projections 35 of contrary the 2nd row of the 1st row the structure that is low, is high.The single spin-echo of the height change of the multiple projections 35 in the phase place of the height change of the multiple projections 35 in the 1st row and the 2nd row.

In example shown in Figure 11 C, the height of multiple projections 35 in the row of multiple projections 35 of arranging along Z direction of light source cell 30, outermost the 1st row become in Z direction two high, two low structures repeatedly.And, become in Z direction repeatedly with the height of multiple projections 35 of contrary the 2nd row of the 1st row the structures that two are low, two are high.The single spin-echo of the height change of the multiple projections 35 in the phase place of the height change of the multiple projections 35 in the 1st row and the 2nd row.

In arbitrary example of Figure 11 B and Figure 11 C, 2 adjacent light source cells 30 separately in, in the nearest row each other in the row of multiple projections 35 of arranging along Z direction, be the state that the lower projection 35 of a side and the higher projection 35 of opposite side engage.

Figure 12 A to Figure 12 D is the schematic diagram that illustrates projection.

Figure 12 A to Figure 12 D is illustrated in the direction of axle ax and observes, the example that multiple projections 35 are intersected.And then Figure 12 A to Figure 12 D represents the example that multiple projections 35 of any 1 light source cell 30 in multiple light source cells 30 and multiple projections 35 of other light sources unit 30 link.

Figure 12 A is illustrated in along the schematic plan view of the projection of observing in the direction of axle ax.Figure 12 B represents to illustrate the schematic isometric of the state that disposes multiple light source cells 30.Figure 12 C represents to illustrate the schematic isometric of the state that disposes 2 adjacent light source cells 30.Figure 12 D represents the schematic isometric of 1 light source cell 30.

In example shown in Figure 12 A to Figure 12 D, multiple projections 35 of 2 light source cells 30 in multiple light source cells 30, opposite each other link mutually.And, projection 35 in the direction along axle ax, alternate configurations piecemeal.Between 2 light source cells 30 opposite each other, thermal capacitance The book of Changes is spread by multiple projections 35.

Figure 13 A and Figure 13 B are the schematic diagrames that illustrates projection.

Figure 13 A and Figure 13 B are illustrated in the direction of axle ax and observe, the example that multiple projections 35 are intersected.In example shown in Figure 13 A, in the direction along axle ax, projection 35 alternate configurations piecemeal, and alternately make piecemeal the radical difference of projection 35.In Figure 13 B, in the direction along axle ax, projection 35 is piecemeal with identical radical alternate configurations.

Figure 14 A to Figure 14 D is the schematic diagram that illustrates projection.

Figure 14 A to Figure 14 D represents the example that multiple projections 35 of any 1 light source cell 30 in multiple light source cells 30 and multiple projections 35 of the other light sources unit 30 adjacent with this light source cell 30 are connected.In example shown in Figure 14 A to Figure 14 D, in 4 light source cells 30, between 2 light source cells 30 adjacent one another are, be provided with multiple projections 35 to link the mode of 2 light source cells 30.

Figure 14 A is illustrated in along the schematic plan view of the projection of observing in the direction of axle ax.Figure 14 B represents to illustrate the schematic isometric of the state that disposes multiple light source cells 30.Figure 14 C represents to illustrate the schematic isometric of the state that disposes 2 adjacent light source cells 30.Figure 14 D represents the schematic isometric of 1 light source cell 30.

As shown in Figure 14 D, in 1 light source cell 30, the only side in 2 light source cells 30 adjacent with this light source cell 30 and extend multiple projections 35.As shown in Figure 14 C, multiple projections 35 in 2 light source cells 30 adjacent one another are, a light source cell 30 become the state contacting with another light source cell 30.

As shown in Figure 14 A and Figure 14 B, in the time disposing 4 light source cells 30, multiple projections 35 of each light source cell 30 are established in the mode contacting with adjacent light source cell 30.Between 2 adjacent light source cells 30, thermal capacitance The book of Changes is spread by multiple projections 35.

In addition, in Figure 12 A to Figure 14 D, multiple projections 35 of 1 light source cell 30 and the structure that multiple projections 35 of other light sources unit 30 link are illustrated, but the structure that also can adopt the projection 35 of 1 light source cell 30 and the base portion 31 of other light sources unit 30 to link.And, the structure that also can adopt the base portion 31 of 1 light source cell 30 and the base portion 31 of other light sources unit 30 to be connected via projection 35.

Fig. 8 A to Figure 14 D shows the concrete example of various projections 35.The configuration of projection 35, shape, radical etc. are that the heat dispersion of considering lighting device 110 is suitably set.

Table 1 is simulation (simulation) result representing by the variation of the substrate temperature that keeps posture to cause.

[table 1]

In table 1, represent: have the lighting device of the projection 35 shown in Fig. 9 A and Fig. 9 B, with have in the lighting device of the tabular projection that is only provided with air flow circuit in Z direction, adopt respectively vertical maintenance and the ratio of the temperature rise of substrate 322 when level keeps.In table 1, the substrate temperature when vertically keeping having the lighting device of tabular projection is made as 1.Keep having the lighting device of this tabular projection in level, the rising ratio of substrate temperature is 1.14.

On the other hand, the rising ratio of substrate temperature when the vertical lighting device that keeps having projection 35 is 1.01, and the situation with vertical maintenance with the lighting device of tabular projection is equal to.And the rising ratio of substrate temperature when level keeps having the lighting device of projection 35 is 1.04.,, for the lighting device with projection 35, in any mode of vertical maintenance and level maintenance, the rising of substrate temperature all can not produce large difference.

And level keeps having in the situation of lighting device of projection 35, compared with the situation of lighting device that keeps having tabular projection with level, temperature rise reduces approximately 8%.That is, have in the lighting device of projection 35, because the variations in temperature that keeps posture to cause is inhibited.

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

In base portion 31 shown in Figure 15 A to Figure 15 H, base portion 31 with the orthogonal direction of axle ax on width W along narrowing towards the direction of the 1st 31a from the 2nd 31b.Figure 15 A to Figure 15 H is illustrated in the schematic plan view of the base portion 31 of observing in Z direction.The direction of the width W of base portion 31 is for example directions X.

In example shown in Figure 15 A, the shape of the base portion 31 of observing in Z direction is trapezoidal shape.In example shown in Figure 15 B, in Z direction, observe, be provided with C shape chamfering in the bight of base portion 31.In example shown in Figure 15 C, in Z direction, observe, the side of base portion 31 becomes curved surface.In example shown in Figure 15 D, in Z direction, observe, be provided with R shape chamfering in the bight of base portion 31.In example shown in Figure 15 E, the shape shape triangular in shape of the base portion 31 of observing in Z direction.In example shown in Figure 15 F, the shape of the base portion 31 of observing in Z direction is pentagon shape.In example shown in Figure 15 G, the 1st 31a of the base portion 31 of observing in Z direction is circular-arc.In example shown in Figure 15 H, the 1st 31a of the base portion 31 of observing in Z direction is the curved surface of convex.

In lighting device 110, when making multiple light source cells 30 when configuring in the surrounding centered by axle ax, between adjacent light source cell 30, be provided with gap d (with reference to Fig. 6 A to Fig. 6 C).If use the base portion 31 shown in Figure 15 A to Figure 15 H, the interval of this gap d expands towards inner side from the outside of lighting device 110.Therefore, air flows into via gap d swimmingly from the outside of lighting device 110, thereby cooling effect improves.

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

Figure 16 A to Figure 16 G represents to observe from the bearing of trend of projection 35 schematic plan view of projection 35.Figure 16 A to Figure 16 C 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 represent OBL projection 35.Figure 16 D represents the projection 35 of toroidal.Figure 16 E and Figure 16 F represent the projection 35 of elliptical shape or oblong shape.

Projection 35 is considered various shapes as can be so., as shown in Figure 16 B, Figure 16 C, Figure 16 E and Figure 16 F, the shape that there is major axis and minor axis in employing, comparatively it is desirable to herein, as shown in Figure 16 G, make major axis unanimously in making air be easy to mobile direction.

Figure 17 A and Figure 17 B are the mobile schematic diagrames that illustrates heat.

Figure 17 A is illustrated in the example that is linked with multiple projections 35 between 2 adjacent light source cells 30.Figure 17 A represents that level keeps hot the flowing under the state of lighting device 110.In the situation that level keeps, the light source cell 30 of upside easily reaches a high temperature.

The heat producing in light source cell 30 is passed to the base portion 31 of adjacent light source cell 30 via projection 35 from base portion 31.In the situation that level keeps, heat is transmitted to the low other light sources unit 30 of temperature from the light source cell 30 of the high upside of temperature.By hot dispersion, hot the laying particular stress on of lighting device 110 is inhibited.

Figure 17 B represents the situation that air flows into from gap d set between adjacent light source cell 30.Figure 17 B represents that level keeps flowing of air under the state of lighting device 110.Air enters the inner side of lighting device 110 from the gap d of the downside of lighting device 110, and is discharged to outside from the gap d of upside.Air, in the time of the flows inside of lighting device 110, contacts multiple projections 35.Thus, heat is passed to air from projection 35, and lighting device 110 obtains cooling.

Figure 18 A and Figure 18 B are the schematic diagrames that illustrates base portion.

In example shown in Figure 18 A and Figure 18 B, in base portion 31, be provided with part 1 310a and part 2 310b.Part 1 310a with the orthogonal direction of axle ax on there is the 1st width W 1.Part 2 310b with the orthogonal direction of axle ax on, there is 2nd width W 2 narrower than the 1st width W 1.In example shown in Figure 18 A, in Z direction, be provided with multiple part 2 310b.In example shown in Figure 18 B, in Z direction, be provided with 2 part 2 310b.

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

Figure 19 A and Figure 19 B are the schematic isometric that illustrates mounting structure.

Figure 19 A represents the state that multiple light source cells 30 are fixed to one another.Figure 19 B represents the mounting structure of light source cell 30.

As shown in Figure 19 B, base portion 31 has the 1st protuberance pt1 and the 2nd protuberance pt2.It is upper that the 1st protuberance pt1 is located at the 1st 31a, and outstanding from the 1st 31a.The 1st protuberance pt1 is from for example giving prominence to the 1st direction that 31a is orthogonal or from the 1st 31a to tilted direction.It is upper that the 2nd protuberance pt2 is located at the 1st 31a, and outstanding from the 1st 31a.The 2nd protuberance pt2 is from for example giving prominence to the 1st direction that 31a is orthogonal or from the 1st 31a to tilted direction.The 1st protuberance pt1 is located at the side near a side of base portion 31, and the 2nd protuberance pt2 is located at a side of the close another side of base portion 31.

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

For example, when 4 light source cell 30A of configuration are during to light source cell 30D, the 2nd protuberance pt2 of the 1st protuberance pt1 of light source cell 30A and the adjacent light source cell 30B of light source cell 30A is overlapping, and passes through screw and fastening.The 2nd protuberance pt2 of the 1st protuberance pt1 of light source cell 30B and the adjacent light source cell 30C of light source cell 30B is overlapping, and by screw and fastening.The 2nd protuberance pt2 of the 1st protuberance pt1 of light source cell 30C and the adjacent light source cell 30D of light source cell 30C is overlapping, and by screw and fastening.The 2nd protuberance pt2 of the 1st protuberance pt1 of light source cell 30D and the adjacent light source cell 30A of light source cell 30D is overlapping, and by screw and fastening.

So, 4 light source cell 30A in surrounding are to light source cell 30D, and the 1st protuberance pt1 of a side of light source cell adjacent one another are and the 2nd protuberance pt2 of opposite side are fastened.Thus, 4 light source cell 30A are fixed in the mode supporting each other to light source cell 30D.

Herein, if make in advance the height of lower surface s1 of the 1st protuberance pt1 and the height of the upper surface s2 of the 2nd protuberance pt2 roughly equal,, in the time making 4 light source cell 30A fixing to light source cell 30D, the position of upper end uf separately becomes consistent.

Figure 20 A and Figure 20 B are the schematic plan views that illustrates mounting structure.

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

In Figure 20 A and Figure 20 B, while observation in Z direction, configure 4 light source cell 30A to light source cell 30D in the inner side of same outer diameter r1, in the mounting structure shown in Figure 20 A, can use the width base portion 31 wider than the mounting structure shown in Figure 20 B.

; in mounting structure shown in Figure 20 A; owing to using upper set the 1st protuberance pt1 and the 2nd protuberance pt2 of the 1st 31a to fix 4 light source cell 30A to light source cell 30D, therefore dispose light source cell 30A to light source cell 30D in the outside of the 1st protuberance pt1 and the 2nd protuberance pt2.

On the other hand, in the mounting structure shown in Figure 20 B, owing to will guaranteeing the space (space) of mounting portion, therefore correspondingly, the narrowed width of base portion 31.Therefore, by adopting the mounting structure shown in Figure 20 A, compared with the mounting structure shown in Figure 20 B, even identical external diameter r1 also can use the wide base portion of width 31, thereby can improve thermal diffusivity.

Figure 21 A to Figure 21 C is the schematic diagram that illustrates 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, be provided with notch part 31c at the root of the 2nd protuberance pt2.The upper surface of the upper surface of notch part 31c and the 2nd protuberance pt2 is the same face.By this kind of notch part 31c is set, thereby produce the free degree on the setting angle of 2 adjacent light source cells 30.

Figure 21 B represents to be provided with the example of 5 light source cells 30.Figure 21 C represents to be provided with the example of 6 light source cells 30.By notch part 31c is set, on the 2nd protuberance pt2, under the overlapping state that has the 1st protuberance pti, even if change the angle of the 1st protuberance pti with respect to the 2nd protuberance pt2, the 1st protuberance pt1 also can not interfere with the 2nd protuberance pt2.Therefore, even identical mounting structure also can freely be set the setting angle of 2 adjacent light source cells 30.

In addition, Figure 21 A to Figure 21 C shows the example of 4,5 and 6 light source cells 30 is installed, but is equally as long as the situation that 3 above light source cells 30 are installed.

Figure 22 A and Figure 22 B are the schematic diagrames that illustrates lampshade.

Figure 22 A shows and is illustrated in the schematic isometric that the state of lampshade is installed 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 is chimeric with the projection 31t of circumference that is located at base portion 31.At the periphery of lampshade 34, be provided with the hole portion 34h chimeric with projection 31t.

Projection 31t is located at for example upper surface and the side of base portion 31.The 34h of hole portion be with the position consistency of these projections 31t be configured in the periphery of lampshade 34.On a side in 2 sides of base portion 31, the position of set projection 31t deviates with the position of set projection 31t on another side.,, in 2 adjacent light source cells 30, projection 31t staggers each other to configure in Z direction.And the position of the set 34h of hole portion deviates with the position of the set 34h of hole portion on another side on a side in 2 sides of lampshade 34.,, in 2 adjacent light source cells 30, the 34h of hole portion staggers each other and configures in Z direction.Thus, between 2 adjacent light source cells 30, the installation portion of lampshade 34 each other can not interfere.

Figure 23 A and Figure 23 B are the schematic diagrames that illustrates lampshade.

Figure 23 A represents the schematic isometric of the partly cut-away of the shape that illustrates lampshade.Figure 23 B represents the constructed profile of observing in Z direction of the shape that illustrates lampshade.As shown in Figure 23 A and Figure 23 B, to observe from the direction along axle ax, lampshade 34 has the part 341 bloating laterally compared with the circumference of base portion 31.For example, lampshade 34 has the part 341 bloating laterally respectively compared with the upper surface of base portion 31, lower surface and side.

Even if when the material that has improved diffusance in use is used as the material of lampshade 34, still can be discarded to outside from the part 341 bloating laterally compared with base portion 31 at the light of the rear of lampshade 34 diffusion.Therefore, can not damage the derivation efficiency of light, lampshade 34 is by Integral luminous.Therefore, the non-part of lighting a lamp of lighting device 110 tails off.

Figure 24 is another the routine schematic isometric that illustrates supporter.

Supporter 20 shown in Figure 24 has heat radiation projection 23.Heat radiation projection 23 is to arrange highlightedly from the upper surface 22u of for example installation portion 22 of supporter 20.The upper surface 22u of installation portion 22 is the regions that surrounded by multiple light source cells 30, and the thermal capacitance of therefore emitting from multiple light source cells 30 is easily accumulated.By heat radiation projection 23 is set at this upper surface 22u, thereby the thermal diffusivity of supporter 20 improves.In addition, the shape of heat radiation projection 23 is not limited to illustrated shape.

Figure 25 A and Figure 25 B are the schematic diagrames that illustrates the lighting device of the 2nd embodiment.

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

Figure 26 is the schematic isometric that illustrates light source cell.

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

As shown in Figure 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 comprise base portion 31, illuminating part 32 and multiple projection 35 separately.

In lighting device 120, supporter 20 comprises interior perimembranous 211 centered by axle ax and centered by axle ax and be located at the peripheral part 212 in the outside of interior perimembranous 211.Between interior perimembranous 211 and peripheral part 212, be provided with gap 210.Multiple light source cells 30 are inserted into the gap 210 being located between interior perimembranous 211 and peripheral part 212 separately.

As shown in Figure 25 B and Figure 26, multiple light source cells 30 separately in, base portion 31 has and is located at the 2nd protuberance 315 on 31b.As shown in figure 27, peripheral part 212 has the 1st slot part 212a along the surrounding centered by axle ax.In the time that light source cell 30 is installed on to supporter 20, make protuberance 315 be embedded in the 1st slot part 212a.

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

In the time that light source cell 30 is installed on to supporter 20, first protuberance 315 is aimed to the 2nd slot part 212b and insert.Subsequently, under the state till the position that protuberance 315 is inserted into the 1st slot part 212a, make protuberance 315 slide (slide) in the 1st slot part 212a.Slide along the 1st slot part 212a by protuberance 315, thereby light source cell 30 moves along the gap 210 between interior perimembranous 211 and peripheral part 212.

Comparatively it is desirable to, in the bottom that is inserted into the base portion 31 in gap 210, the 1st 31a is along the concave curved surface of the curved surface of interior perimembranous 211.And, comparatively it is desirable to, in the bottom that is inserted into the base portion 31 in gap 210, the 2nd 31b is along the convex surface of the curved surface of peripheral part 212.Thus, carry out the rotation and the certain support of supporter 20 to light source cell 30 smoothly of light source cell 30.

Multiple light source cells 30 are inserted into the optional position in the gap 210 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.In addition, multiple light source cells 30 also can be configured on the complete cycle in gap 210 equably.

As shown in figure 27, in base portion 31, there is electrode TM1 and electrode TM2 with illuminating part 32 conductings.Electrode TM1 is for example anodal, and electrode TM2 is for example negative pole.On peripheral part 212, have contact with electrode TM1 and electrode TM2 respectively and with electrode TM11 and the electrode TM21 of lamp holder 10 conductings.Electrode TM11 and electrode TM21 establish along the inner peripheral surface of peripheral part 212.Which position that no matter light source cell 30 is configured in to the gap 210 between interior perimembranous 211 and peripheral part 212, electrode TM1 and electrode TM2 all can contact with electrode TM11 and electrode TM21, thereby obtain the conducting of lamp holder 10 and illuminating part 32.

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

Figure 28 A to Figure 28 C is illustrated in the layout of the light source cell of observing in Z direction.Figure 28 A represents that layout equably has the state of 6 light source cells 30.Figure 28 B represents that layout equably has the state of 8 light source cells 30.Figure 28 C represent biasing (unequal) layout have the state of 4 light source cells 30.

As shown in Figure 28 A and Figure 28 B, have under the state of multiple light source cells 30 in layout equably, spread all over the complete cycle of lighting device 120 and emit light.On the other hand, as shown in Figure 28 C, on biasing ground, layout has under the state of multiple light source cells 30, emits consumingly light towards the direction that disposes light source cell 30.

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

Figure 29 A to Figure 29 C represents that level keeps the state of lighting device.Figure 29 A is illustrated in the constructed profile of the state of eye-level maintenance lighting device 120 in the direction orthogonal with axle ax.Figure 29 B represents to keep from the direction eye-level along axle ax the constructed profile of the state of lighting device 120.Figure 29 C represents to keep from the direction eye-level along axle ax the constructed profile of the state of lighting device 190.

In lighting device 190, dispose equably multiple light source cells 30.In any one of lighting device 120 and lighting device 190, be equipped with 4 light source cell 30A to light source cell 30D.And, for any one of lighting device 120 and lighting device 190, be equipped with reflecting member 200 at the upside of lighting device 120 and lighting device 190.

As shown in Figure 29 C, in lighting device 190, the light of emitting from 2 light source cell 30C and the light source cell 30D of downside is directly towards downside.The light of emitting from 2 light source cell 30A and the light source cell 30B of upside on the other hand, is arranged on reflecting member 200 reflections of upside towards downside.Therefore,, compared with 2 light source cell 30C of downside and light source cell 30D, the loss (1oss) of 2 light source cell 30A of upside and light source cell 30B is larger.

And, in lighting device 190, the heat free convection from bottom to up of emitting from 4 light source cell 30A to light source cell 30D, thus heat storage is under reflecting member 200.Therefore, the temperature of 2 light source cell 30A of upside and light source cell 30B is compared with the temperature of 2 light source cell 30C of downside and 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, the major part of the light of emitting from 4 light source cell 30A to light source cell 30D is directly towards downside.And because 4 light source cell 30A are all located at downside to light source cell 30D, even if therefore heat storage is under reflecting member 200,4 light source cell 30A are also difficult to be subject to the impact of this heat to light source cell 30D.

Figure 30 is the schematic isometric that illustrates light source cell.

Figure 31 A and Figure 31 B are the schematic diagrames that illustrates the mounting structure of light source cell.

Figure 31 A is the schematic isometric that represents the example of installing ring (ring).Figure 31 B is the constructed profile that illustrates installment state.

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

As shown in Figure 31 A, on installing ring 300, be provided with multiple hole 300h.As shown in Figure 31 B, be inserted at multiple light source cells 30 under the state in the gap 210 between interior perimembranous 211 and peripheral part 212, multiple light source cells 30 are fixed by installing ring 300., multiple light source cells 30 installation portion 317 separately obtains fastening with the hole 300h of installing ring 300 via screw 301.

On installing ring 300, be provided with the hole 300h with multiple light source cells 30 configuration consistency separately.By screw 301, the installation portion of light source cell 30 317 is fixed in the hole 300h with the configuration consistency of each light source cell 30, thereby the assigned position in the surrounding centered by axle ax is fixed respectively multiple light source cells 30.

In addition, be fixed with by installing ring 300 under the state of multiple light source cells 30, also can making installing ring 300 centered by axle ax and rotate.Thus, under the state of relative position relation that keeps multiple light source cells 30, multiple light source cell 30 entirety are rotated with respect to supporter 20.For example, by being screwed into, the lamp holder of lighting device 120 10 is being mounted to lamp socket (not shown) afterwards, also can making installing ring 300 rotate, with light source cell 30 is adjusted into required towards.

Figure 32 is the schematic isometric that illustrates light source cell.

Figure 33 A and Figure 33 B are the schematic diagrames that illustrates the mounting structure of light source cell.

Figure 33 A is the schematic isometric that represents the example of interior perimembranous 211.Figure 33 B is the constructed profile that illustrates installment state.

Shown in figure 32, in this light source cell 30, in base portion 31, protuberance 315 as shown in figure 30 is not set.In the light source cell 30 shown in Figure 32, be provided with installation portion 318 at the downside of base portion 31.Installation portion 318 is from the 1st 31a of base portion 31 to extending with the 1st direction that 31a is vertical.On installation portion 318, be provided with hole 318h.At the downside of the 1st 31a of base portion 31, be provided with electrode TM1 and electrode TM2.

As shown in Figure 33 A, at the outer peripheral face of interior perimembranous 211, be provided with electrode TM11 and electrode TM21.And, at the upper surface of interior perimembranous 211, be and be provided with mounting groove 211g circle-shapedly.

As shown in Figure 33 B, multiple light source cells 30 are inserted in gap 210 set between interior perimembranous 211 and peripheral part 212.When light source cell 30 being inserted to gap 210 when interior, the electrode TM1 of base portion 31 and electrode TM2 contact with the electrode TM11 and the electrode TM21 that are located on the outer peripheral face of interior perimembranous 211.

When light source cell 30 being inserted to gap 210 when interior, the lower surface of installation portion 318 contacts with the upper surface of interior perimembranous 211.Under the state contacting with the upper surface of interior perimembranous 211 at the lower surface of installation portion 318, screw 301 is inserted in the hole of installation portion 318, and screw 301 is fixed on to mounting groove 211g.Thus, light source cell 30 is fixed in the assigned position in gap 210.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 are the schematic diagrames that illustrates fixture.

If do not use the mounting structure shown in Figure 30 to Figure 33 B, multiple light source cells 30 can move along gap 210.Therefore, can, as shown in Figure 34 A, in gap 210, not be provided with the part of multiple light source cells 30 yet, the 1st fixture 213 is set.

On the 1st fixture 213, protuberance 213t also can be set.The width of protuberance 213t is slightly narrower than the width of the 2nd slot part 212b.Protuberance 213t is aimed to the 2nd slot part 212b and after inserting, protuberance 213t is slided along the 1st slot part 212a.Thus, the 1st fixture 213 is embedded into the part that is not provided with multiple light source cells 30 in gap 210.In the time that the 1st fixture 213 is embedded to gap 210, the complete cycle in gap 210 is by multiple light source cells 30 and the 1st fixture 213 landfills, thereby the relative position of multiple light source cell 30 can not be offset.

And, also can, as shown in Figure 34 B, in the 2nd slot part 212b, configure the 2nd fixture 214.The width of the 2nd fixture 214 is roughly the same with the width of the 2nd slot part 212b.In the time that the 2nd fixture 214 is embedded to the 2nd slot part 212b, can prevent that multiple light source cells 30 or the 1st fixture 213 from departing from from supporter 20.

Above-mentioned multiple embodiments can be implemented by following mode.

(1) lighting device, comprising: lamp holder, supporter, is connected in described lamp holder, and multiple light source cells, be installed on described supporter, and in the surrounding centered by the axle by described lamp holder and configure, and described multiple light source cell comprises base portion separately, illuminating part and multiple projection, described base portion have the 1st of contacting with described supporter and with described the 1st be opposition side the 2nd, described illuminating part is installed in described the 2nd of described base portion, described multiple projection is located on described the 1st of described base portion, and between described multiple projections, be provided with along the 1st direction and the 2nd direction and be communicated with respectively the air flow circuit forming, described the 1st direction is along described the 1st, described the 2nd direction is along described the 1st, and it is not parallel with described the 1st direction.

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

(3), according to the lighting device described (1) or (2) Suo Shu, wherein, described multiple projections are along described the 1st direction of described the 1st and described the 2nd direction and be configured to rectangular.

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

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

(6) according to the lighting device described in any one in described (1) to (5), wherein, in the direction along described axle, observe, described multiple projections of the 1st light source cell in described multiple light source cells are not intersected with described multiple projections of the 2nd light source cell.

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

(8), according to the lighting device described in any one in described (1) to (5), wherein, described multiple projections of described multiple projections of the 1st light source cell in described multiple light source cells and the 2nd light source cell link.

(9), according to the lighting device described in any one in described (1) to (5), wherein, the described base portion of described multiple projections of the 1st light source cell in described multiple light source cells and the 2nd light source cell links.

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

(11) according to the lighting device described in any one in described (1) to (10), wherein, described base portion have be located at described the 1st upper and from described the 1st the 1st outstanding protuberance and be located at described the 1st and from described the 1st the 2nd outstanding protuberance, described the 2nd protuberance of described the 1st protuberance of the 1st light source cell in described multiple light source cells and 2nd light source cell adjacent with described the 1st light source cell is fastened.

(12) according to the lighting device described (11) Suo Shu, wherein, the distance till from the end face of described base portion to the lower surface of described the 1st protuberance with from described end face extremely the distance till the upper surface of described the 2nd protuberance equate.

(13) according to the lighting device described (12) Suo Shu, wherein, in described multiple light source cells, described the 1st protuberance of a described light source cell in 2 described light source cells adjacent one another are and described in another described the 2nd protuberance of light source cell be fastened.

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

(15) according to the lighting device described (14) Suo Shu, wherein, described screw does not run through described projection.

(16) according to the lighting device described in any one in described (1) to (15), more comprise: lampshade, install by the connecting portion being located on the circumference of described base portion.

(17) according to the lighting device described (16) Suo Shu, wherein, in described multiple light source cells, between 2 described light source cells adjacent one another are, the installation portion that described lampshade is installed on to described base portion is in the direction along described axle, to stagger each other to configure.

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

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

(20) according to the lighting device described in any one in described (1) to (19), wherein, described supporter has heat radiation projection.

(21) according to the lighting device described in any one in described (1) to (20), wherein, described supporter comprises interior perimembranous centered by described axle and centered by described axle and be located at the peripheral part in the outside of described interior perimembranous, described multiple light source cells are mounted respectively between described interior perimembranous and described peripheral part.

(22) according to the lighting device described (21) Suo Shu, wherein, described base portion has the protuberance being located on described the 2nd, described peripheral part with described interior perimembranous face in opposite directions on, have the 1st slot part along the surrounding centered by described axle, described protuberance is chimeric with described slot part.

(23), according to the lighting device described (22) Suo Shu, wherein, described peripheral part has and is communicated to the 2nd slot part till described the 1st slot part from the end of described peripheral part.

(24) according to the lighting device described in any one in described (21) to (23), wherein, described base portion has and the 1st electrode that is located at the described illuminating part conducting on described the 2nd, described peripheral part have with described the 1st electrode contact and with the 2nd electrode of described lamp holder conducting.

(25) according to the lighting device described in any one in described (21) to (24), more comprise: the 1st fixture, is configured in the part that is not provided with described multiple light source cells between described interior perimembranous and described peripheral part.

(26) according to the lighting device described in any one in described (21) to (25), more comprise: the 2nd fixture, is configured in described the 2nd slot part.

As described above, according to the lighting device of embodiment, can improve thermal diffusivity when multiple light source cells are configured to ring-type.

Above, present embodiment and variation thereof are illustrated, but the present invention is not limited to these examples.For example, those skilled in the art have suitably carried out the embodiment of the appending of inscape, deletion, design alteration or variation to aforesaid each embodiment or its variation or by appropriately combined the feature of the each embodiment embodiment forming, as long as possess purport of the present invention, be also contained in scope of the present invention.

Some embodiments of the present invention are illustrated, but these embodiments are only for illustrating, and are not intended to limit scope of invention.These embodiments can be implemented with other various forms, in the scope of purport that does not depart from invention, can carry out various omissions, replacement, change.These embodiments and variation thereof are included in scope of invention or purport, and are included in the scope impartial with it.

Claims (10)

1. a lighting device, is characterized in that comprising:

Lamp holder;

Supporter, is connected in described lamp holder; And

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

Described multiple light source cell comprises separately:

Base portion, have the 1st of contacting with described supporter and with described the 1st be opposition side the 2nd;

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

Multiple projections, go up for described the 1st that is located at described base portion, and

Between described multiple projections, be provided with along the 1st direction and the 2nd direction and be communicated with respectively the air flow circuit forming, wherein said the 1st direction is along described the 1st, and described the 2nd direction is along described the 1st, and not parallel with described the 1st direction.

2. lighting device according to claim 1, is characterized in that,

Described the 1st direction is the direction along described axle,

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

3. lighting device according to claim 1 and 2, is characterized in that,

Described multiple projection is along described the 1st direction of described the 1st and described the 2nd direction and be configured to rectangular.

4. lighting device according to claim 1 and 2, is characterized in that,

In described multiple light source cells, between 2 described light source cells adjacent one another are, be provided with gap.

5. lighting device according to claim 1 and 2, is characterized in that,

Described multiple light source cell has the 1st light source cell and the 2nd light source cell, in the direction along described axle, observes, and described multiple projections of described multiple projections of described the 1st light source cell and described the 2nd light source cell are not intersected.

6. lighting device according to claim 1 and 2, is characterized in that,

Described base portion with the orthogonal direction of described axle on width along narrowing facing to the direction of described the 1st from the described the 2nd.

7. lighting device according to claim 1 and 2, is characterized in that,

In the direction along described axle, observe, the projection of described multiple projections of the 1st light source cell in described multiple light source cells and 2nd light source cell adjacent with described the 1st light source cell is intersected.

8. lighting device according to claim 1 and 2, is characterized in that,

Described multiple projections of described multiple projections of the 1st light source cell in described multiple light source cell and the 2nd light source cell link.

9. lighting device according to claim 1 and 2, is characterized in that,

The described base portion of described multiple projections of the 1st light source cell in described multiple light source cell and the 2nd light source cell links.

10. lighting device according to claim 1 and 2, is characterized in that,

Described base portion has part 1 and part 2,

Described part 1 with the orthogonal direction of described axle on there is the 1st width,

Described part 2 with the orthogonal direction of described axle on there is 2nd width narrower than described the 1st width.