CN205480286U - Light source for lighting and lighting device - Google Patents

Abstract

Provide light source for lighting and lighting device. LED bulb (1) as lighting -used light source possesses LED module (10), carry base (13) of putting LED module (10), a drive circuit (80) for making LED module (10) are luminous, from lead wire (71 and 72) of drive circuit (80) to LED module (10) power supply, and have and supply lead wire (71 and 72) to insert logical perforating hole (32d) and keep going between keep parts (30) of (71 and 72), base (13) have the 1st of lining up base (13) and the 2nd perforating hole (13b), keep parts (30) are inserted to lead to and are fixed in perforating hole (13b), make the direction that link up that link up direction and perforating hole (13b) of perforating hole (32d) be same direction.

Description

Illumination light source and illuminator

Technical field

The application relates to illumination light source and possesses the illuminator of this illumination light source.

Background technology

The semiconductor light-emitting elements such as light emitting diode (LED:Light Emitting Diode) are expected to the light source as various goods due to the small-sized and long-life.Wherein, the lamp-bulb type fluorescent lamp the most in the past known of bulb-shaped lamp (LED bulb) of LED or the illumination light source of electric filament lamp is used to be developed energetically.

LED bulb such as possesses LED module, the spherical shell (cover) covering LED module, the pedestal (module board) of mounting LED module, is used for the drive circuit making LED module luminous, these parts built-in and has the framework of insulating properties and for the lamp holder installed to the lamp socket of ligthing paraphernalia.LED module is fixed on module board, and utilizes connector to be connected (referring for example to patent documentation 1) with drive circuit.

Patent documentation 1: JP 2010-225570 publication

Utility model content

In LED bulb, as it has been described above, LED module is connected with drive circuit by connector.But, because connector price is high, so sometimes replacing connector to be connected with drive circuit by LED module with solder.In the case of Gai, owing to utilizing the other end of lead-in wire that one end is connected by solder with drive circuit to be directly connected in LED module, so the solder layer of coupling part being caused burden by the tension force (tension) of lead-in wire.Therefore, produce solder layer to be easily peeled off or LED module can not be stably fixed on the problem of module board.

The application makes to solve such problem, its object is to provide a kind of and solder can be suppressed to peel off and LED module is stably fixed on illumination light source and the illuminator of pedestal.

To achieve these goals, a technical scheme of the illumination light source of the application is characterised by possessing: light emitting module；Pedestal, loads described light emitting module；Drive circuit, is used for making described light emitting module luminous；Wiring, powers to described light emitting module from described drive circuit；And holding member, there is the 1st through hole inserted for described wiring, and keep described wiring.Described pedestal has the 1st of described pedestal the 2nd through hole through with the 2nd, and described holding member is inserted through and is fixed on described 2nd through hole so that the through direction of described 1st through hole and the through direction of described 2nd through hole are same direction.

Can also be that described light emitting module has 3rd through hole through with the face of the opposition side in the face and this face of described seat surface pair, described holding member inserts described 3rd through hole and described 2nd through hole continuously, and described light emitting module is fixed on described pedestal.

Can also be, described holding member has claw, at described holding member in the case of the 1st of described pedestal the lateral 2nd side is inserted through described 2nd through hole, in described 2nd side from the part that described 2nd through hole is prominent, when overlooking, described claw is protruding outside to week from the periphery of described 2nd through hole.

Can also be that described holding member is having multiple retention tab with the mask of the opposition side in the face of described seat surface pair, keeps described wiring between the plurality of retention tab.

Can also be that described holding member has when overlooking from the notch of outer the most described 1st through hole of described holding member.

Can also be that described holding member has jut at the mask with described seat surface pair.

One technical scheme of the illuminator of the application is characterised by having above-mentioned illumination light source.

Utility model effect

According to the application, it is possible to suppression solder layer is peeled off and LED module is stably fixed on pedestal.

Accompanying drawing explanation

Fig. 1 is the exploded perspective view of the LED bulb of embodiment.

Fig. 2 is the sectional view of the LED bulb of embodiment.

Fig. 3 is the axonometric chart of the holding member of the LED bulb observing embodiment from spherical shell side.

Fig. 4 is the axonometric chart of the holding member of the LED bulb from the unilateral observation embodiment contrary with spherical shell.

Fig. 5 is the axonometric chart of the situation when explanation is installed on pedestal in the LED bulb of embodiment, by holding member.

Fig. 6 is the sectional view of the illuminator of embodiment.

Fig. 7 is the axonometric chart of the holding member of the LED bulb observing variation 1 from spherical shell side.

Fig. 8 is the axonometric chart of the holding member of the LED bulb observing variation 2 from spherical shell side.

Fig. 9 is the axonometric chart of the holding member of the LED bulb observing variation 3 from spherical shell side.

Symbol description

1 LED bulb (illumination light source)

2 illuminators

10 LED modules (light emitting module)

11b through hole (the 3rd through hole)

13 pedestals

13b through hole (the 2nd through hole)

30,130,230,330 holding member

32d, 232b, 332b through hole (the 1st through hole)

34a, 34b, 34c, 234a, 234b, 234c, 236a, 236b retention tab

36b claw

38 juts

71,72 lead-in wire (wiring)

80 drive circuits

333 notch

Detailed description of the invention

Below, presently filed embodiment is described.It addition, embodiment described below all represents a preferred concrete example of the application.Therefore, the order etc. of the numerical value shown in embodiments below, shape, material, element, the allocation position of element and connected mode and operation and operation is an example and is not intended to limit the application.Therefore, in the element in embodiments below, represent that the element do not recorded in the independent claims of the upper concept of the application is set to arbitrary element and illustrates.

Additionally, each figure is schematic diagram, may not strictly illustrate.It addition, in the various figures, to the substantially identical additional same-sign of structure, repeat specification is omitted or simplified.

[LED bulb]

In following embodiment, as an example of illumination light source, illustrate to become the bulb-shaped LED (LED bulb) of the substitute of lamp-bulb type fluorescent lamp or electric filament lamp.

Fig. 1 is the exploded perspective view of the LED bulb 1 of embodiment.Fig. 2 is the sectional view of the LED bulb 1 of embodiment.In Fig. 2, the single dotted broken line along the description of paper above-below direction represents the central shaft J of LED bulb 1.In the present embodiment, central shaft J is the optical axis (lamp axle) of LED bulb 1, consistent with the axle of spherical shell 20 (spherical shell axle).It addition, central shaft J is to become the axle of the LED bulb 1 center of rotation when the lamp socket of ligthing paraphernalia (not shown) is installed, consistent with the rotary shaft of lamp holder 60.

As depicted in figs. 1 and 2, LED bulb 1 has LED module 10, covers the spherical shell 20 of LED module 10, the holding member 30 being arranged on LED module 10, the pedestal 13 being configured with LED module 10, radiator 40, framework 50 and lamp holder 60.LED bulb 1 also has for making the drive circuit 80 of LED module 10 luminescence and the lead-in wire 71 and 72 being connected by LED module 10 with drive circuit 80.Radiator 40 surrounds drive circuit 80 and arranges.Framework 50 is surrounded at least some of of radiator 40 and is arranged.It addition, lead-in wire 71 and 72 is equivalent to the wiring in the application.

In the present embodiment, LED bulb 1 utilizes spherical shell 20, framework 50 to constitute peripheral components with lamp holder 60.

Below, the details of each component parts of LED bulb 1 is described with reference to Fig. 1～Fig. 4.

[LED module]

LED module 10 is the light-emitting device (light emitting module) of the light releasing regulation color (wavelength).LED module 10 is configured to such as release white light.LED module 10 is equivalent to the light emitting module in the application.

LED module 10 is arranged in the inside of spherical shell 20.LED module 10 is fixed on pedestal 13, utilizes the electric power from drive circuit 80 supply luminous.

As shown in Figures 1 and 2, LED module 10 has substrate 11 and is configured at the light-emitting component 12 of substrate 11.

Substrate 11 is the installation base plate for installing light-emitting component 12.The plate-like substrate of circular e.g. overlooked by substrate 11, is fixed on pedestal 13 described later.Specifically, substrate 11 utilizes holding member 30 and bolt (not shown) to be fixed on pedestal 13.As in figure 2 it is shown, substrate 11 is provided with the through hole 11a for inserting bolt and for inserting the through hole 11b of holding member 30.It addition, the fixing of substrate 11 and pedestal 13 can not also carry out screwing tight and only be carried out by holding member 30, it is possible to use other fixing means such as bonding agent replace screwing tight.

As substrate 11, such as, use by the metal bases such as aluminum being implemented metallic substrates substrate that insulation tunicle obtains, as the ceramic substrate of fired body of the ceramic materials such as aluminium oxide or the resin substrate etc. that is made up of resin material.It addition, the shape of substrate 11 is not limited to circle, it is possible to use rectangular substrate.

On the surface of substrate 11, as it is shown in figure 1, be provided with pair of electrodes terminal 14a and 14b as power supply section.As it is shown in figure 1, pair of electrodes terminal 14a and 14b is connected to the pair of lead wires 71 and 72 derived from drive circuit 80.It addition, on the surface of substrate 11, be formed with the metal line (not shown) for being electrically connected by electrode terminal 14a and 14b with multiple light-emitting components 12 with the pattern of regulation shape.

It addition, from the pair of lead wires 71 and 72 of drive circuit 80 derivation as described later, inserted by through hole 11b in the through hole 32d of the holding member 30 inserted in through hole 11b, through hole 32d is equivalent to the 1st through hole in the application.Through hole 11b is equivalent to the 3rd through hole in the application.Through hole 11b can also be not arranged in the central part of substrate 11.

As depicted in figs. 1 and 2, the one side at substrate 11 is provided with multiple light-emitting component 12.In the present embodiment, multiple light-emitting components 12 are equally spaced arranged on the circumference centered by the center of substrate 11 in circular arrangement.It addition, in Fig. 2, as an example, be mounted with 8 light-emitting components 12, but the installation number of light-emitting component 12 be not limited to this, both can be 1, it is also possible to be multiple beyond 8.

Light-emitting component 12 in present embodiment is that (SMD:Surface Mount Device) type LED element is installed on the surface encapsulated respectively.Light-emitting component 12 possesses once mounting LED chip in container and the seal member of sealing LED chip.

LED chip is the example utilizing the direct current power of regulation to carry out luminous semiconductor light-emitting elements, is the bare chip sending monochromatic visible light.The blue LED die of blue light is sent when LED chip is e.g. energized.

Additionally, the resin forming product that is e.g. made up of white resin of container or the device for ceramic shaped products of white.Additionally, seal member be in the insulative resin material of the light transmissions such as silicones containing fluorophor containing fluorophor resin, be provision wavelengths by the optical wavelength conversion (colour switching) from LED chip.

Specifically, such as in the case of LED chip is blue led, in order to obtain white light, it is possible to make the resin containing fluorophor that the yellow fluorophor particle of YAG (yttrium-aluminium-garnet) class is dispersed in silicones as seal member.Thus, release sodium yellow owing to yellow fluorophor particle is encouraged by the blue light of blue LED die, so releasing white light from seal member, as the synthesis light of the sodium yellow motivated Yu the blue light of blue LED die.It addition, can also be containing photodiffusion materials such as silicon dioxide in seal member.

The multiple light-emitting components 12 so constituted such as are connected in series, and utilize the direct current power supplied through pair of lead wires 71 and 72 from drive circuit 80 and luminous.It addition, the connected mode of multiple light-emitting components 12 (be connected in series, be connected in parallel and be connected in series and be connected with the combination being connected in parallel) is not specifically limited.

[pedestal]

Pedestal 13 is the so-called module board of mounting LED module 10, such as, use metallic plate, metallic substrates substrate, the ceramic substrates etc. such as aluminium sheet.Pedestal 13 is such as in the shape overlooking circular.The shape of pedestal 13 is not limited to a substantially circular shape, it is possible to use the substrate of rectangle.It addition, pedestal 13 can also be configured to a part for radiator 40 described later.

At pedestal 13, it is provided with the through hole 13a for inserting bolt and for inserting the through hole 13b of holding member 30.Through hole 13b is equivalent to the 2nd through hole in the application.

The through pedestal of through hole 13b 13, the face that is arranged in spherical shell 20 side and the face with this opposition side, face.It addition, by pedestal 13, the face that is arranged in spherical shell 20 side be referred to as the 1st, the face with this opposition side, face is referred to as the 2nd.

At the 1st of pedestal 13, configure above-mentioned LED module 10.Specifically, at the 1st of pedestal 13, holding member 30 and bolt (not shown) is utilized to fix the substrate 11 of LED module 10.Holding member 30 inserts through hole 13b, and through hole 13a inserted by bolt.

The Internal periphery portion 52 of framework 50 the end of spherical shell 20 side abut with the 2nd of pedestal 13 or faced by.Thus, pedestal 13 is incorporated in the Internal periphery portion 52 of framework 50.That is, pedestal 13 is supported on radiator 40 with the state being fixed with LED module 10 at this pedestal 13, and is configured in framework 50.It addition, as described later, pedestal 13 can also be connected to radiator 40.

[drive circuit]

Drive circuit 80 is for driving the power circuit of LED module 10 (power subsystem), and the electric power being used for making LED module 10 (light-emitting component 12) luminous is supplied to LED module 10.Drive circuit 80 such as will be transformed to direct current power through pair of lead wires (not shown) from the alternating electromotive force that lamp holder 60 provides, and through pair of lead wires 71 and 72, this direct current power is supplied to LED module 10.LED module 10 (light-emitting component 12) utilizes the direct current power provided from drive circuit 80 light and extinguish.

Drive circuit 80 has circuit substrate 81 and is installed on multiple electronic units 82 of this circuit substrate 81.Drive circuit 80 is arranged between LED module 10 and lamp holder 60.Specifically, drive circuit 80 is accommodated in the Internal periphery portion 52 of framework 50, by screwing tight, bonding or engaging etc. be fixed on Internal periphery portion 52.

Circuit substrate 81 is the tellite (PCB) having the metal lines such as Copper Foil at one side (solder face) Butut.The multiple electronic units 82 being installed on circuit substrate 81 utilize the metal line being formed at circuit substrate 81 to be electrically connected to each other.Circuit substrate 81 such as configures with the posture (longitudinal) that the interarea of this circuit substrate 81 is almost parallel with central shaft J.It addition, circuit substrate 81 is not limited to longitudinal configuration, it is also possible to posture (horizontal) configuration being substantially orthogonal with central shaft J with the interarea of this circuit substrate 81.

Electronic unit 82 is the semiconductor elements etc. such as the resistive elements such as the multiple components for making LED module 10 light, the e.g. capacity cell such as electrolysis condenser or ceramic capacitor, resistor, convertor circuit element, coil (coil) element, choking-winding (choke transformer (choke transformer)), noise filter, diode or integrated circuit component.It addition, the end of the low electronic unit 82 (circuit block) of the thermostabilitys such as electrolysis condenser lamp holder 60 side that is arranged on circuit substrate 81 is preferable.

The drive circuit 80 so constituted guarantees insulating properties by being incorporated in the Internal periphery portion 52 of the framework 50 being made up of insulating resin.It addition, drive circuit 80 can also combine light adjusting circuit, booster circuit etc..

Drive circuit 80 is electrically connected by pair of lead wires 71 and 72 with LED module 10.Such as, lead-in wire 71 is high-pressure side outfan sub-line, and lead-in wire 72 is low-pressure side outfan sub-line.Lead-in wire 71 and 72 is inserted through in pedestal 13 in the through hole 11b and holding member 30 arranged the through hole 30b arranged, and is connected to the substrate 11 of LED module 10.

Additionally, drive circuit 80 utilizes lead-in wire 73 and lead-in wire 74 to electrically connect with lamp holder 60, lead-in wire 73 is connected to the shell portion 61 of lamp holder 60, for providing alternating electromotive force, lead-in wire 74 to be connected to eyelet (eyelet) portion 63 of lamp holder 60 from lamp holder 60 to drive circuit 80.

Lead-in wire 71,72,73 and 74 e.g. alloyed copper lead-in wire, is consisted of the insulative resin tunicle of the heart yearn being made up of alloyed copper and this heart yearn of cladding.

[holding member]

Holding member 30 is to maintain the parts of the lead-in wire 71,72 being connected by drive circuit 80 with LED module 10.Holding member 30 is such as made up of the resin forming product constituted by white resin.

Fig. 3 is the axonometric chart observing holding member 30 from spherical shell 20 side.Fig. 4 is the axonometric chart observing holding member 30 from the opposition side of spherical shell 20.

As shown in Figure 3 and Figure 4, holding member 30 has main part 32a, is arranged at recess 32b and 32c of main part 32a, through hole 32d, maintaining part 34 and fixed part 36.

Main part 32a has the most discoidal shape, in a part for the periphery of main part 32a, is formed with recess 32b and 32c from this outer circumference middle body.In recess 32b and 32c, LED module 10 is fixed on the bolt of pedestal 13 by configuration when holding member 30 is configured in pedestal 13.

Additionally, in the most discoidal central authorities of main part 32a, be provided with through hole 32d through for the two sides of main part 32a.Through hole 32d is the through hole inserted for lead-in wire 71 and 72.It addition, through hole 32d is equivalent to the 1st through hole in the application.

In main part 32a, in the face with the opposition side in the face faced by pedestal 13, as it is shown on figure 3, be provided with the maintaining part 34 keeping lead-in wire 71 and 72.Maintaining part 34 has the multiple retention tabs being formed as convex on the face of main part 32a.Such as, as it is shown on figure 3, maintaining part 34 has 3 retention tabs 34a, 34b and 34c.Retention tab 34a, the interval of 34b and 34c are the sizes roughly the same with the diameter of lead-in wire 71 and 72.Thereby, it is possible to clamp respectively between retention tab 34a and 34b, retention tab 34b and 34c and keep the lead-in wire 71 and 72 being inserted through in through hole 32d.Now, lead-in wire 71 and 72 preferably between retention tab 34a with 34b, retention tab 34b and 34c the most loosely face with main part 32a contact and be kept.

Additionally, in main part 32a, with the face faced by pedestal 13, as shown in Figure 4, be formed with fixed part 36.Fixed part 36 such as has 4 stator 36a, is inserted into continuously the substrate 11 of LED module 10 in the through hole 13b of through hole 11b and the pedestal 13 arranged from spherical shell 20 side.A part of each stator 36a highlights from the face with the opposition side in the face faced by spherical shell 20 in pedestal 13.This prominent part has claw 36b, and this claw 36b is formed as, protruding outside to week from the periphery of through hole 13b when overlooking holding member 30 from spherical shell 20 side.

Additionally, in the main part 32a of holding member 30, with the face faced by pedestal 13, as shown in Figure 4, be formed with jut 38.Jut 38 is formed as, and embeds the recess (not shown) formed in the substrate 11 of LED module 10.Thereby, it is possible to suppression holding member 30 is in rotary moving centered by the axle of through hole 32d.

By above such structure, holding member 30 by being inserted into the through hole 13b of pedestal 13 and be hooked in by claw 36b the face of the opposition side with the face faced by spherical shell 20 of pedestal 13 by fixed part 36 from spherical shell 20 side, thus is fixed in pedestal 13.Additionally, the through direction of the through direction of through hole 32d and through hole 13b and 11b is equidirectional.Therefore, lead-in wire 71 and 72 is inserted through hole 13b, 11b and 32d from drive circuit 80 and is held in maintaining part 34, is connected to LED module 10.

It addition, the structure of fixed part is not limited to the above-mentioned structure possessing stator and claw, it is also possible to be other structures.Such as, fixed part can also be not provided with claw, and forms, in the way of making the size of the periphery of the tip portion away from main part bigger than the size of the periphery of main part side, the shape that tip portion is wide.

Additionally, the shape of fixed part can also be the cylindrical shape that above-mentioned 4 stators are integrally forming.According to such structure, when holding member being fixed on through hole 11b and 13b, it is possible to firmly fixed by press-in.

[spherical shell]

Spherical shell 20 is the translucent cover covering LED module 10, is configured to be fetched into outside lamp the light released from LED module 10.That is, the light transmission spherical shell 20 of the LED module 10 inciding spherical shell 20 inner surface is fetched to the outside of spherical shell 20.

Spherical shell 20 is the hollow part with peristome 21, is the most spherical with what the top of peristome 21 opposition side was blocked for.As in figure 2 it is shown, spherical shell 20 e.g. hollow rotating body with central shaft J as rotary shaft, the shape zoomed in for peristome 21.

The end of the peristome 21 of spherical shell 20 abut with radiator 40 or faced by.In this condition, spherical shell 20 is fixed in the peristome of spherical shell side of framework 50.Such as, the peristome 21 of spherical shell 20 is affixed by bonding agents such as silicones with the outline portion 51 of framework 50.

Material as spherical shell 20, it is possible to use the glass materials such as the quartz glass transparent to visible light or the translucent material being made up of resin materials etc. such as acrylic acid (PMMA), Merlon (PC).

Preferably spherical shell 20 is implemented the diffusion reason for making the light released from LED module 10 spread.Such as, by forming optical diffusion film (light diffusion layer) at the inner surface of spherical shell 20 or outer surface, it is possible to make spherical shell 20 have light diffusion function.

Specifically, resin or the Chinese white etc. of the photodiffusion material such as silicon dioxide or calcium carbonate are contained by coating on the inner surface of spherical shell 20 or whole of outer surface, it is possible to form milky optical diffusion film.Or, by forming multiple light diffusion point or multiple small depression at spherical shell 20, it is also possible to make spherical shell 20 have light diffusion function.So, by making spherical shell 20 have light diffusion function, it is possible to make to spread from LED module 10 to the light of spherical shell 20 incidence, it is possible to expand light distribution angle.

Alternatively, it is also possible to do not make spherical shell 20 have light diffusion function, and make spherical shell 20 transparent so that the LED module of inside 10 can recognize that.It addition, the shape of spherical shell 20 can also be ellipsoid of revolution or oblate spheroid, in addition it is also possible to be based on the shape as the most bulb-shaped A type bulb.

[radiator]

The thermal component of the heat that radiator 40 mainly release is produced by LED module 10.Sheet metal parts is e.g. formed as the structure of tubular by radiator 40.Radiator 40 is pressure (press) processed goods of metallic plate, such as, can be formed by the metallic plates such as aluminium sheet certain for thickness are processed into intended shape.Alternatively, it is also possible to comprise the said base 13 part as radiator 40.

As it has been described above, the end abutment of spherical shell 20 side of the end of the peristome 21 of spherical shell 20 and radiator 40 or faced by.Radiator 40 utilizes the Internal periphery portion 52 of framework 50 to clamp the bending section of the peristome being positioned at lamp holder side of radiator 40 with outline portion 51.

Further, radiator 40 is in the face of the inner surface in the outline portion 51 of framework 50.Radiator 40 has the shape of the inner surface configuration in the outline portion 51 meeting framework 50.Specifically, the surface of radiator 40 becomes the conical surface (inclined plane) constituted obliquely relative to central shaft J.Radiator 40 does not contacts with the outline portion 51 of framework 50, there is gap (air layer) between radiator 40 and outline portion 51.

Additionally, as it is shown in figure 5, radiator 40 is arranged between LED module 10 and lamp holder 60, be configured with drive circuit 80 in the inside of radiator 40.In the present embodiment, radiator 40 surrounds the Internal periphery portion 52 of framework 50 and is arranged in Internal periphery portion 52 around.That is, radiator 40 surrounds drive circuit 80 across the Internal periphery portion 52 of framework 50.

It addition, radiator 40 both can be made up of tubular heat-conducting plate, it is also possible to be made up of multiple conducting strips.In the case of Gai, multiple conducting strips both can be configured to there is gap between adjacent conducting strip, it is also possible to is configured to not exist gap between adjacent conducting strip.

[framework]

Framework 50 is arranged between spherical shell 20 and lamp holder 60.Framework 50 has at least one of outline portion 51 of the surrounding surrounding radiator 40.Further, framework 50 has Internal periphery portion 52, as the part being arranged in inside radiator 40.The root of lamp holder 60 side in outline portion 51 is linked to Internal periphery portion 52.Specifically, the end of lamp holder 60 side in outline portion 51 is connected to Internal periphery portion 52.

Outline portion 51 is the exposed division being exposed to outside (in air) of framework 50, constitutes the outline parts of LED bulb 1.Therefore, the outer surface in outline portion 51 is exposed to outside.It addition, outline portion 51 is configured to surround radiator 40.

It is substantially cylindric that outline portion 51 e.g. wall thickness is certain, internal diameter and external diameter gradually change.The inner peripheral surface in outline portion 51 and outer peripheral face become the conical surface (inclined plane) constituted obliquely relative to central shaft J.In the present embodiment, outline portion 51 is configured to, and internal diameter and external diameter taper into towards lamp holder 60 side.

Additionally, outline portion 51 and radiator 40 are in the face of the outer surface opposite of configuration, the inner surface in outline portion 51 and radiator 40.The inner surface configuration in outline portion 51 is the shape of the surface configuration meeting radiator 40.

Outside between profile portion 51 and radiator 40, it is set with space, there is gap (space).That is, outline portion 51 is configured to not contact each other with radiator 40.Specifically, the gap between outline portion 51 and radiator 40 is the most certain.

On the other hand, Internal periphery portion 52 is the cylinder being configured to surround drive circuit 80.That is, Internal periphery portion 52 is used as the circuit shell of protection drive circuit 80.Internal periphery portion 52 e.g. wall thickness is certain and internal diameter and certain substantially cylindric of external diameter.

In the present embodiment, Internal periphery portion 52 is created as the upwardly extending drum in side of the central shaft J in LED bulb 1.Internal periphery portion 52 is configured to, and clamps radiator 40 with outline portion 51.That is, framework 50 clamps radiator 40, becomes the duplex in outline portion 51 and Internal periphery portion 52.

Gap (space) is there is between Internal periphery portion 52 and radiator 40.That is, Internal periphery portion 52 is configured to not contact with radiator 40.

Extended in lamp holder 60 side in Internal periphery portion 52 is formed in part with screw part 52a.Screw part 52a screws togather with lamp holder 60.That is, lamp holder 60 is screwed into screw part 52a.

It addition, in Internal periphery portion 52, be provided with for by the fixing structure of circuit substrate 81 of drive circuit 80.That is, Internal periphery portion 52 also serves as the maintaining part (holder) keeping drive circuit 80.

The framework 50 so constituted is by ester moulding.Framework 50 such as can be made up of insulative resin materials such as polybutylene terephthalate (PBT)s (PBT).

[lamp holder]

Lamp holder 60 is the power receiving section from the outside electric power accepted for making LED module 10 (light-emitting component 12) luminescence of lamp.Lamp holder 60 is such as installed on the lamp socket of ligthing paraphernalia.Thus, when making LED bulb 1 light, lamp holder 60 can accept electric power from the lamp socket of ligthing paraphernalia.

Such as provide alternating electromotive force from source power supply to lamp holder 60.Lamp holder 60 in present embodiment utilizes two point to accept alternating electromotive force, lamp holder 60 electric power accepted is imported into drive circuit 80 through pair of lead wires 73 and 74.

Lamp holder 60 is metal to have end cylindrical shape, possesses shell portion 61 that outer peripheral face is pin thread and is installed on the eyelet portion 63 in shell portion 61 through insulation division 62.Insulation division 62 is such as made up of cullet (glass cullet).

At the outer peripheral face of lamp holder 60, it is formed with the screw part for screwing togather to the lamp socket of ligthing paraphernalia.It addition, at the inner peripheral surface of lamp holder 60, be formed with the screw part for screwing togather to the screw part 52a in the Internal periphery portion 52 of framework 50.Lamp holder 60 is embedded in outward framework 50 (Internal periphery portion 52) by being screwed into and embed the screw part 52a in this Internal periphery portion 52.

The kind of lamp holder 60 without particular limitation of, but in the present embodiment, use screw socket type (E type) lamp holder of screw-in.Such as, as lamp holder 60, E26 shape, E17 shape or E16 shape etc. can be enumerated.As lamp holder 60, it is possible to use plug-in type lamp holder.

[assemble method of LED bulb]

Below, utilize Fig. 5 that one example of assemble method of LED bulb 1 is described.Fig. 5 is by the axonometric chart of the holding member 30 situation when pedestal 13 is installed for explanation.

In the case of form respectively radiator 40 and pedestal 13, first Internal periphery portion 52 is inserted the inside of radiator 40.Then, drive circuit 80 is arranged in the inside in Internal periphery portion 52.Afterwards, the through hole 13b arranged in pedestal 13 inserts the lead-in wire 71 and 72 being connected with drive circuit 80.Further, pedestal 13 is inserted the peristome of spherical shell 20 side of radiator 40, so that pedestal 13 covers the peristome of spherical shell 20 side in Internal periphery portion 52.Then, pedestal 13 is connected to radiator 40.Pedestal 13 is such as carried out by other means such as rivetings (カ シ メ) with the connection of radiator 40.

Additionally, even if radiator 40 and pedestal 13 are single structures, in the case of the structure that radiator 40 and pedestal 13 are assembled in advance, can also be after assembling radiator 40 and pedestal 13, radiator 40 and pedestal 13 are inserted, until radiator 40 being inserted the gap between the outline portion 51 of framework 50 and Internal periphery portion 52 and pedestal 13 is connected to the Internal periphery portion 52 of framework 50.

Then, LED module 10 is fixed on pedestal 13.Specifically, lead-in wire 71 and 72 is inserted in the through hole 11b of substrate 11, pedestal 13 loads LED module 10 (substrate 11).Now, the position alignment of the through hole 13b of pedestal 13 and the through hole 11b of substrate 11 is made.Further, the through hole 32d of holding member 30 inserts lead-in wire 71 and 72.

Afterwards, as it is shown in figure 5, by make the fixed part 36 of holding member 30 in the way of through hole 11b and 13b inserts successively, by holding member 30 from spherical shell 20 side, i.e. substrate 11 side is pressed into through hole 11b and through hole 13b.Insert the claw 36b of the fixed part 36 in through hole 11b and through hole 13b as in figure 2 it is shown, highlight and hook from the face of the side being not configured with substrate 11 of pedestal 13 In this face.Thus, LED module 10 and holding member 30 are fixed on pedestal 13.

And then, the lead-in wire 71 and 72 derived from through hole 32d is respectively retained maintaining part 34.Specifically, such as, as it is shown in figure 1, lead-in wire 71 is clipped between retention tab 34a and 34b, lead-in wire 72 is clipped between retention tab 34b and 34c.Now, configuration lead-in wire 71 and 72, so that lead-in wire 71 contacts the main part 32a of holding member 30 with 72.Thus, lead-in wire 71 and 72 utilizes retention tab 34a, 34b and 34c, is the most loosely directed on substrate 11 on electrode terminal 14a and 14b formed.

And then, utilize solder to connect electrode terminal 14a and lead-in wire 71, electrode terminal 14b and lead-in wire 72 respectively.Thus, being configured to, electrode terminal 14a electrically connects with lead-in wire 72 with lead-in wire 71, electrode terminal 14b, powers to LED module 10 from drive circuit 80.

It addition, LED module 10 can utilize holding member 30 be fixed on pedestal 13 and utilize the through hole 11a of the fixing substrate 11 of bolt (not shown) and the through hole 13a of pedestal 13.In the case of Gai, both followed by can screw tight LED module 10 is placed in pedestal 13, it is also possible to screw tight after being configured with holding member 30.

Afterwards, as it is shown in figure 5, spherical shell 20 is inserted and fixed in framework 50.Additionally, the lead-in wire 73 and 74 derived from drive circuit 80 is connected to lamp holder 60, lamp holder 60 is screwed into the screw part 52a in the Internal periphery portion 52 of framework 50.Thus, LED bulb 1 completes.

[effect fruit]

Below, for the action effect of the LED bulb 1 of present embodiment, the process of the form comprising the LED bulb 1 obtaining present embodiment illustrates.

Generally, in LED bulb, LED module is connected to drive circuit by connector.But, owing to connector price is high, so the situation that LED module is connected with drive circuit by existence with solder replacement connector.In the case of Gai, if the other end that one end is connected to the lead-in wire of drive circuit with solder is directly connected in LED module, then due to the tension force of lead-in wire, the solder layer of coupling part be caused burden.Accordingly, there exist solder layer to be easily peeled off or LED module is not stably fixed on the situation of pedestal.

In contrast, the LED bulb 1 in present embodiment possess LED module 10, the pedestal 13 of mounting LED module 10, go between for 71 and 72 the 1st through hole 32d inserted keeping of going between for the drive circuit 80 making LED module 10 luminescence, the lead-in wire 71 power to LED module 10 from drive circuit 80 and 72 and having 71 and 72 holding member 30.Here, pedestal 13 has the 1st of pedestal 13 the and the 2nd the 2nd through through hole 13b, makes the through direction of the 1st through hole 32d and the through direction of the 2nd through hole 13b be same direction and holding member 30 is inserted and is fixed in the 2nd through hole 13b.

Thus, holding member 30 keeps lead-in wire 71 and 72, so the lead-in wire 71 and 72 that through hole 32d is inserted and is exported will not be lax due to the tension force of lead-in wire 71 and 72 or mobile.Thus, utilize solder that the lead-in wire 71 and 72 being kept the stable holding of parts 30 is connected to electrode terminal 14a and 14b of LED module 10, it is possible to suppression solder is peeled off due to the tension force of lead-in wire 71 and 72.Thus, it is possible to stably lead-in wire 71 and 72 is electrically connected with LED module 10.It addition, can utilize holding member 30 that LED module 10 is fixed on pedestal 13.Thus, electrode terminal 14a and 14b in go between 71 and 72 and LED module 10 utilizes in the connection that solder is carried out, it is possible to suppression solder is peeled off and carried out stable connection further.It addition, the bolt for LED module 10 being fixed on pedestal 13 can be removed.

In addition, preferably as the LED bulb 1 in present embodiment, LED module 10 have by with the face faced by pedestal 13 and the 3rd through hole 11b through with the face of this opposition side, face, the 3rd through hole 11b and the 2nd through hole 13b is inserted by holding member 30 continuously, and LED module 10 is fixed on pedestal 13.

Thereby, it is possible to the most loosely lead-in wire 71 and 72 to be connected to LED module 10, and LED module 10 can be fixed on pedestal 13.Therefore, utilize in the connection that solder is carried out at lead-in wire 71 and 72 and electrode terminal 14a and 14b of LED module 10, it is possible to suppression solder is peeled off and carried out stable connection further.

In addition, preferably as the LED bulb 1 in present embodiment, holding member 30 is in the case of being inserted in the 2nd through hole 13b from the 1st of pedestal 13 the lateral 2nd side, the 2nd side from the part that the 2nd through hole 13b is prominent, from the periphery of the 2nd through hole 13b to week claw 36b protruding outside when there is vertical view.

Thus, by being pressed into through hole 11b and 13b by holding member 30, claw 36b is prominent also hook from the face of the side being not configured with substrate 11 of pedestal 13.Therefore, it is possible to the holding member 30 inserted in through hole 11b and 13b is easily fixed to pedestal 13.

Additionally, in the LED bulb 1 of present embodiment, holding member 30 can also have multiple retention tab 34a, 34b and 34c at the mask with the opposition side in the face faced by pedestal 13, between multiple retention tabs 34a, 34b and 34c, keep lead-in wire 71 and 72.

Thus, such as, lead-in wire 71 is clamped between retention tab 34a and 34b, lead-in wire 72 is clamped between retention tab 34b and 34c.Thus, lead-in wire 71 and 72 utilizes retention tab 34a, 34b and 34c, is the most loosely directed on substrate 11 on electrode terminal 14a and 14b formed.Therefore, in the case of utilizing solder to be connected to electrode terminal 14a and lead-in wire 71, electrode terminal 14b and lead-in wire 72 respectively, it is possible to the stripping of suppression solder.

It addition, more preferably configuration lead-in wire 71 and 72, so that lead-in wire 71 contacts the main part 32a of holding member 30 with 72.Thus, in the case of utilizing solder to be connected to electrode terminal 14a and lead-in wire 71, electrode terminal 14b and lead-in wire 72 respectively, it is possible to suppress further to lift and the situation of solder stripping on lead-in wire 71 and 72.

Furthermore it is preferred that as the LED bulb 1 of present embodiment, holding member 30 is having jut 38 with the mask faced by pedestal 13.

According to this structure, formed, it is possible to suppression holding member 30 is in rotary moving centered by the axle of through hole 32d owing to jut 38 embeds the recess (not shown) formed in the substrate 11 of LED module 10.

[illuminator]

Fig. 6 is the general profile chart of the illuminator 2 of embodiment.

As shown in Figure 6, the illuminator 2 of present embodiment is such as arranged on indoor ceiling etc. and uses.Illuminator 2 possesses LED bulb 1 and the ligthing paraphernalia 3 of above-mentioned embodiment.

Ligthing paraphernalia 3 makes LED bulb 1 extinguish and light, and possesses the appliance body 4 being installed on ceiling and the lampshade 5 covering LED bulb 1.

Appliance body 4 has the lamp holder 60 that mounted LED lamp steeps 1 the lamp socket 4a being powered to LED bulb 1.The lamp holder 60 of LED bulb 1 is screwed into lamp socket 4a, powers to LED bulb 1 through this lamp socket 4a.Alternatively, it is also possible to the peristome at lampshade 5 arranges light transmission plate.

(variation 1)

Below, the variation 1 of embodiment is described.

Fig. 7 is the axonometric chart of the holding member 130 of the LED bulb observing this variation from spherical shell 20 side.

The holding member 130 of the LED bulb of this variation is with the difference of the holding member 30 shown in embodiment, and the shape of the main part 132a of holding member 130 is different from the shape of the main part 32a of holding member 30.

As it is shown in fig. 7, the main part 132a of holding member 130 has the most discoidal shape.Further, the part in the periphery of main part 132a does not have recess.

In the case of not using bolt when being fixed to pedestal 13 by the substrate 11 of LED module 10, or in the case of without the concern for the position of bolt, structure as above-mentioned holding member 130 can be made.According to this structure, owing to need not arrange recess in holding member 130, so can easily process compared with the holding member 30 shown in embodiment.

(variation 2)

Below, the variation 2 of embodiment is described.

Fig. 8 is the axonometric chart of the holding member 230 of the LED bulb observing this variation from spherical shell 20 side.

The holding member 230 of the LED bulb of this variation is the structure to the maintaining part that holding member 230 is arranged with the difference of the holding member 30 shown in embodiment.

As shown in Figure 8, holding member 230 also has maintaining part 236 in addition to maintaining part 234.

Maintaining part 234, as the maintaining part 34 of the holding member 30 shown in embodiment, has on the face of main part 232a and is formed as retention tab 234a of convex, 234b and 234c.

Equally, maintaining part 236 has the multiple retention tabs being formed as convex on the face of main part 232a.As shown in Figure 8, maintaining part 236 has 2 retention tabs 236a and 236b.Retention tab 236a is spaced apart the size roughly the same with diameter wire with 236b's.Thereby, it is possible to clamp further between retention tab 236a and 236b and keep lead-in wire.About the lead-in wire being maintained between retention tab 236a and 236b, also with lead-in wire 71 and 72 again it is preferred to the most loosely face with main part 232a contacts and is kept between retention tab 236a with 236b.

According to this structure, in the case of the bar number of lead-in wire is 3, it is possible to the most loosely keep all lead-in wires.Such as, in the case of LED module has ignition mode handoff functionality, except, in addition to the high-pressure side outfan sub-line and low-pressure side outfan sub-line of power supply, also deriving, to LED module 10, the wiring being used for carrying out the control of ignition mode from drive circuit 80.In the case of Gai, by using the holding member 230 shown in this variation, it is also possible to make the solder used in the connection of lead-in wire and electrode pad not peel off ground, the leading wire stabilization derived through through hole 232b from drive circuit 80 is connected to LED module 10.

It addition, the quantity of maintaining part and the structure of the quantity of retention tab, maintaining part and retention tab, shape and allocation position are not limited to above-mentioned, it is also possible to suitably change.It addition, the bar number of lead-in wire is also not necessarily limited to above-mentioned and can change.

(variation 3)

Below, the variation 3 of embodiment is described.

Fig. 9 is the axonometric chart of the holding member 330 of the LED bulb observing this variation from spherical shell 20 side.

The holding member 330 of the LED bulb of this variation is with the difference of the holding member 30 shown in embodiment, and holding member 330 has notch 333 in a part for main part.

As it is shown in figure 9, holding member 330 when a part of main part 332a has vertical view from the notch 333 of the outer thoughtful through hole 332b of main part 332a.The width of notch 333 is such as formed bigger than the diameter of lead-in wire 71 and 72.

According to this structure, it is possible to lead-in wire 71 and 72 is inserted into through hole 332b from the periphery of holding member 330 through notch 333.Preparatively lead-in wire is inserted in through hole 332b therefore, it is possible to have.

(other variation etc.)

Illustrate illumination light source and the illuminator of the application above according to embodiment and variation, but the application is not limited to above-mentioned embodiment and variation.

Such as, in above-mentioned embodiment and variation, define the maintaining part 34 with retention tab 34a, 34b and 34c at the main part 32a of holding member 30, but the forming position of maintaining part and the number of retention tab, shape and retention tab is not limited to above-mentioned.For example, it is also possible to as shown in variation 3, formed as maintaining part 234 and 236, it is also possible to formed according to other numbers, shape and forming position.

Additionally, in above-mentioned embodiment and variation, define recess 32b and 32c at the main part 32a of holding member 30, but the number of recess, shape and forming position be not limited to above-mentioned and can change.Alternatively, it is also possible to be the structure not forming recess at main part.

Additionally, in the above-described embodiment, the fixed part that holding member 30 is formed is not limited to above-mentioned have 4 stators and the structure of claw.For example, it is also possible to change stator and the number of claw and shape.Additionally, fixed part is not limited to the structure with multiple stator, it is possible to be the structure of 1.

It addition, both main part 32a at holding member 30 notch 333 can be arranged as shown in the variation 3 of above-mentioned embodiment, it is also possible to be not provided with.

In addition, in above-mentioned embodiment and variation, illustrate on pedestal 13, to load LED module 10, utilize holding member 30 that LED module 10 is fixed on the example of pedestal 13, if but need not be fixed on LED module 10 situation of pedestal 13, it is also possible to holding member 30 is directly fixed on pedestal 13.

Additionally, in above-mentioned embodiment and variation, light-emitting component 12 is SMD type LED element, but is not limited to this.For example, it is also possible to use COB (Chip On Board) type LED module bare chip being mounted directly (installing for 1 time) on substrate.I.e., it would however also be possible to employ LED chip itself is used as light-emitting component 12.In the case of Gai, it is also possible to seal member, multiple LED chip are sealed together or individually.Seal member can also contain yellow fluorophor equiwavelength's coversion material as described above.

Additionally, in above-mentioned embodiment and variation, light-emitting component 12 is set to utilize blue LED die and yellow fluorophor to release the B-Y type White LED element of white light, but is not limited to this.For example, it is also possible to be configured to, use containing red-emitting phosphors and green-emitting phosphor containing fluorophor resin, release white light by it being combined with blue LED die.It addition, under the purpose improving color rendering properties, it is also possible to also it is mixed into red-emitting phosphors, green-emitting phosphor except yellow fluorescence is external.Additionally, the LED chip sending the color beyond blueness can also be used, such as, can also be configured to, use the UV LED chip releasing the short ultraviolet light of the wavelength of blue light that wavelength ratio blue LED die releases, utilize and mainly released the blue emitting phophor of blue light, red light and green light, green-emitting phosphor and red-emitting phosphors by uv light induction to release white light.

In addition, in above-mentioned embodiment and variation, illustrate LED as light-emitting component but it also may use light-emitting component, other solid-state light emitting elements such as semiconductor light-emitting elements, organic EL (Electro Luminescence) or inorganic EL such as semiconductor laser.

It addition, above-mentioned embodiment and variation are implemented mode that the various deformation that those skilled in the art expect obtain or the element in the above-mentioned embodiment of combination in any and variation and function are realized under the scope without departing from spirit herein mode is also contained in the application.

Claims (7)

1. an illumination light source, it is characterised in that:

Possess:

Light emitting module；

Pedestal, loads described light emitting module；

Drive circuit, is used for making described light emitting module luminous；

Wiring, powers to described light emitting module from described drive circuit；And

Holding member, has the 1st through hole inserted for described wiring, and keeps described wiring,

Described pedestal has the 1st of described pedestal the 2nd through hole through with the 2nd,

Described holding member is inserted through and is fixed on described 2nd through hole so that described 1st through hole Through direction is same direction with the through direction of described 2nd through hole.

2. illumination light source as claimed in claim 1, it is characterised in that:

Described light emitting module has through with the face of the opposition side in the face and this face of described seat surface pair 3rd through hole,

Described holding member inserts described 3rd through hole and described 2nd through hole continuously, by described Optical module is fixed on described pedestal.

3. illumination light source as claimed in claim 1, it is characterised in that:

Described holding member has claw, at described holding member from the 1st of described pedestal the lateral 2nd In the case of side, face is inserted through described 2nd through hole, in described 2nd side from described 2nd through hole Prominent part, when overlooking, described claw is protruding outside to week from the periphery of described 2nd through hole.

4. illumination light source as claimed in claim 1, it is characterised in that:

Described holding member is having multiple retention tab with the mask of the opposition side in the face of described seat surface pair, Described wiring is kept between the plurality of retention tab.

5. illumination light source as claimed in claim 1, it is characterised in that:

Described holding member has when overlooking from outer the most described 1st through hole of described holding member Notch.

6. illumination light source as claimed in claim 1, it is characterised in that:

Described holding member has jut at the mask with described seat surface pair.

7. an illuminator, it is characterised in that:

Possesses the illumination light source described in any one of claim 1 to 6.