CN103807638A - Lamp and illuminating device - Google Patents
Lamp and illuminating device Download PDFInfo
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- CN103807638A CN103807638A CN201310360233.8A CN201310360233A CN103807638A CN 103807638 A CN103807638 A CN 103807638A CN 201310360233 A CN201310360233 A CN 201310360233A CN 103807638 A CN103807638 A CN 103807638A
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- lamp
- light source
- framework
- light
- source module
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The invention provides a lamp and an illuminating device, wherein a light source module with a ceramic substrate can be reliably held in a limited space through low price and simple structure. The lamp (3) comprises the components of: a frame (30) which is provided with a flange (38) at periphery of a lens part (39) that irradiates illuminating light and is open at a base end; a light source module (31) which is provided with a ceramic module substrate (45) that is provided with an LED (46) and is configured in the frame (30); a heat radiating board (32) which is fixedly arranged at the base end of the frame (30) for closing the base end of the frame (30); and a leaf spring (33) which is arranged between the flange (38) and the light source module (31) for compressing the module substrate (45) on the heat radiating board (32).
Description
Technical field
The present invention relates to a kind ofly will be installed on light-emitting component on module substrate lamp and the lighting device as light source.
Background technology
In recent years, in lighting device, the lighting device extensive use by light-emitting components such as light emitting diodes (following, to claim LED) as light source.In this lighting device, adopt the aluminium alloy base plate of heat dispersion excellence etc. as the module substrate of installing light emitting element, and now more, need to be used for and pattern distribution etc. between guarantee the insulating element of electrical insulating property.To this, in recent years from the viewpoint of simplified structure, consider the ceramic substrate with electrical insulating property as module substrate.
On the other hand, because ceramic substrate is inferior to aluminium alloy base plate etc. aspect machinability, thereby be difficult on substrate with cheap and thread mill drilling etc. accurately.And because ceramic substrate is more crisp than aluminium alloy base plate etc., thereby in the time using pottery substrate processed as the module substrate of light source module of impact that cannot ignore thermal expansion etc., its holding structure employing screw thread is fixedly unsuitable.
To this, for example in patent documentation 1, disclose a kind of technology, i.e. the fixing multiple metal superzapping plates of screw thread on device base portion, by being installed on the elastic force of metal spring processed of this pressing plate, the state that makes the back side of module substrate be close to device base portion keeps.
But the disclosed technology of above-mentioned patent documentation 1 is effective for the structure of the direct installation module substrate of device base portion than relatively large, the lamp etc. that is for example installed on device base portion etc. by lamp socket is due to the difficulty of converting such as the problem on space.
Patent documentation 1: TOHKEMY 2012-14957 communique
Summary of the invention
Therefore, it is a kind of by cheap price and simple structure that present embodiment provides, and also can keep reliably using lamp and the lighting device of the light source module of ceramic substrate in limited space.
In order to address the above problem, the light fixture of present embodiment is standby: framework, and it has retainer around the irradiation portion of irradiating illumination light, and base end part opening; Light source module, it has the pottery module substrate processed that light-emitting component is installed, and is disposed in described framework; Heat sink, is fixedly installed on the base end part of described framework and seals the base end part of this framework; Elastomer, is arranged between described retainer and described light source module, makes described module substrate be crimped on described heat sink.
And the lighting device of embodiment possesses described lamp; Keep the lamp socket of described lamp.
According to present embodiment, by cheap price and simple structure, in limited space, also can keep reliably using the light source module of ceramic substrate.
Accompanying drawing explanation
Fig. 1 is the stereogram of the lighting device of present embodiment.
Fig. 2 is the major part cutaway view that the lighting device of present embodiment is represented along the II-II line of Fig. 1.
Fig. 3 resolves into lamp socket and lamp by the lighting device of Fig. 2 of present embodiment and the major part cutaway view that represents.
Fig. 4 is the exploded perspective view that represents the major part of the lamp socket of present embodiment.
Fig. 5 is the exploded perspective view that represents the major part of the lamp of present embodiment from front.
Fig. 6 is the exploded perspective view that represents the major part of the lamp of present embodiment from base end side.
Fig. 7 is the action specification figure of the lamp fixing spring of present embodiment.
Fig. 8 relates to modified embodiment of the present embodiment, is lighting device to be resolved into lamp socket and lamp and the major part cutaway view that represents.
In figure: 1-lighting device, 2-lamp socket, 3-lamp, 11-lamp holder body, 12-groove, 12a-wall portion, 12b-screw inserting hole, 15-inward flange, 15a-notch, 16-pin, 17-lamp is fixing with leaf spring, 17a-leaf spring main body, 17b-sells inserting hole, 17c-engaging claw, 18-connector resettlement section, 18a-slit, 18b-spring contact, 19-wirning harness, 30-framework, 30-light source module, 32-heat sink, 32a-notch, 32b-inserting hole, 33-leaf spring (elastomer), 33a-notch, 33b-peristome, 33c-spring portion, 34-urceolus portion, 35-inner cylinder portion, 36-rib, 37-conical surface portion, 38-flange part (retainer), 39-lens section (irradiation portion), 40-light source resettlement section, 41-engaging recess, 42-screwed hole, 45-module substrate, 46-light emitting diode (light-emitting component), 47-illuminating part, 48-jut, 49-potting resin, 50-connector portion, 50a-bonder terminal, 56-fin, 56a-notch, 60-speculum, 70-radiator.
The specific embodiment
The light fixture of present embodiment is standby: framework, around the irradiation portion of irradiating illumination light, there is retainer, and base end part opening; Light source module, has the pottery module substrate processed of installing by light-emitting component, and is disposed in described framework; Heat sink, is fixedly installed on the base end part of described framework and seals the base end part of this framework; Elastomer, is installed between described retainer and described light source module, makes described module substrate be crimped on described heat sink.
In this embodiment, irradiation portion can comprise makes illumination light bending and to the lens section of external irradiation, can be also directly to the peristome of external irradiation etc. by illumination light.
In this embodiment, retainer comprises the parts as being formed on the restriction such as flange part or the jut elastomer forward end side shifting around irradiation portion in framework.
In this embodiment, the pottery of composition module substrate can use any or their composite that are selected from aluminium oxide (alumina), aluminium nitride, boron nitride, silicon nitride, magnesia, forsterite (forsterite), steatite, low-temperature sintered ceramics, especially, preferably use aluminium oxide.
In this embodiment, light-emitting component for example can use the various light-emitting components that compound semiconductor is set on device substrate, especially, the blue led that preferably uses the bare chip that sends blue light to manufacture, but also can use the semiconductor element etc. that sends ultraviolet ray or green light.
In this embodiment, elastomer preferably uses has elastomeric metal making sheet spring etc., still, can also use other, such as resin elastomer etc.
Below, with reference to accompanying drawing, embodiments of the present invention are described.Accompanying drawing relates to one embodiment of the present invention, Fig. 1 is the stereogram of lighting device, Fig. 2 is the major part cutaway view that lighting device is represented along the II-II line of Fig. 1, Fig. 3 resolves into lamp socket and lamp by the lighting device of Fig. 2 and the major part cutaway view that represents, Fig. 4 is the exploded perspective view that represents the major part of lamp socket, Fig. 5 is the exploded perspective view from the major part of front indication lamp, Fig. 6 is the exploded perspective view from the major part of base end side indication lamp, and Fig. 7 is the action specification figure of lamp fixing spring.
Lighting device shown in Fig. 1 is for example that the high power that is suitable for very much Down lamp is large light quantity type lighting device.This lighting device 1 for example have be embedded in ceiling part etc. within doors lamp socket 2, be held in the lamp 3 of this lamp socket 2 and form.In addition, in the lighting device 1 of the present embodiment using as Down lamp, according to its installment state, suitably the front of illumination light radiation is called to " downside ", the base end side that is installed on ceiling part is called " upside " and describes.
And, in the bottom of lamp holder body 11, be formed with the inward flange 15 that is roughly circular.For example, as shown in Figure 4, in the inner side of lamp holder body 11, on inward flange 15 erect be provided with two be 1 group many groups (for example, 3 groups) pin 16.On this each group pin 16, be assembled with lamp fixing with leaf spring 17, fixing with leaf spring 17 by this lamp, lamp socket 2 can keep in inside lamp 3.
As shown in Figure 3, Figure 4, the fixing leaf spring main body 17a with leaf spring 17 with the essentially rectangular shape that is rectangular of lamp.At the both ends of this leaf spring main body 17a, be bent to form the pin inserting hole 17b of tubular, by these each pin inserting hole 17b is inserted to pin 16, lamp is fixing is installed on lamp holder body 11 with leaf spring 17.And, be integrally formed the interior side-prominent engaging claw 17c of oriented lamp holder body 11 in the substantial middle portion of leaf spring main body 17a.This engaging with claw 17c for example by being bent to form as side-looking is general triangular shape and forming from the plate member of extending take " T word shape " of leaf spring main body 17a midway.At this, the plate member of present embodiment is extended from the upper side of leaf spring main body 17a, and thus, engaging can be carried out strain take the upper side of leaf spring main body 17a as fulcrum with claw 17c.In addition, for example, as shown in Figures 1 to 4, on inward flange 15, be provided with notch 15a with lamp is fixing with position corresponding to the engaging claw 17c of leaf spring 17.
And, as shown in Figures 2 to 4, be provided with connector resettlement section 18 at a sidepiece of lamp holder body 11.Connector resettlement section is used for for example three-phase alternating-current supply in this connector resettlement section 18, and being provided with 3 is many groups of (for example, 2 groups) slit 18a of one group.Corresponding to each slit 18a, be respectively arranged with spring contact 18b(with reference to Fig. 3 in the inside of connector resettlement section 18), on each spring contact 18b, be connected with respectively wirning harness 19.And by these wirning harnesses 19, each spring contact and supply unit etc. (not shown) are electrically connected.
As shown in Figure 6, for example main composition of framework 30 is the dual barrel structure that roughly inner cylinder portion 35 of square tube shape is interconnected together by multiple ribs 36 that is that is the urceolus portion 34 of general cylindrical shape shape and four jiaos of chamferings.
As shown in Fig. 2, Fig. 3, Fig. 5, at the leading section of framework 30, be formed with the circular conical surface portion 37 of tilting to inner cylinder portion 35 side direction tops from urceolus portion 34 sides.And, be provided with the annular flange portion (inward flange) 38 playing a role as retainer at the interior Zhou Yanxu of conical surface portion 37.And, the lens section 39 of the partial sphere shape playing a role as irradiation portion being formed with in interior week of flange part 38.And the inner space of mainly carrying out the inner cylinder portion 35 of closed front side by flange part 38 and lens section 39 is formed as light source reception room 40.
And, in the urceolus portion 34 of framework 30, engage use recess 41 caving in to be provided with on corresponding position respectively with the fixing engaging claw 17c with leaf spring 17 of the lamp that is held in lamp socket 2.
And, as shown in Figure 6, in the critical positions of the rib 36 forming between urceolus portion 34 and inner cylinder portion 35, be provided with multiple (for example, 4) screwed hole 42.
And as shown in Figure 5, Figure 6, light source module 31 for example has the module substrate 45 of the pottery system with insulating properties take aluminium oxide etc. as principal component.This module substrate 45 is made up of the flat-shaped part of the roughly the same shape of opening shape of outer shape and inner cylinder portion 35, and its lower face side is set as parts installed surface.
On the parts installed surface of this module substrate 45, be provided with not shown pattern distribution.And on the parts installed surface of module substrate 45, in the region corresponding with the lens section 39 of framework 30, light-emitting component is that multiple LED46 are mounted to rectangular (with reference to Fig. 2, Fig. 3), by these LED46, is formed with illuminating part 47 on module substrate 45.And, be formed with the ring-shaped protrusion 48 around LED46 group at the parts installed surface of module substrate 45, be for example filled with in the inner side of this jut 48 by sneaking into fluorophor and thering is the potting resin 49 that the silicone resin of light transmission forms.
And the sidepiece on the parts installed surface of module substrate 45 is provided with connector portion 50.In this connector portion 50, corresponding with each slit 18a of connector resettlement section 18, being for example provided with three is many groups of (for example, 2 groups) bonder terminal 50a of 1 group, these bonder terminals 50a respectively with module substrate 45 on pattern distribution be electrically connected.In addition, connector portion 50 is for example undertaken by soldering with respect to the electric connection of pattern distribution with respect to fixing, each bonder terminal 50a of module substrate 45.And, for each bonder terminal 50a is exposed in outside, framework 30(urceolus portion 34 and inner cylinder portion 35) the partly open (with reference to Fig. 6) of a sidepiece.
The light source module 31 of said structure, with illuminating part 47 and the opposed state of lens section 39, is contained in the light source reception room 40 interior (with reference to Fig. 2, Fig. 3) of framework 30.
Screw togather with screwed hole 42 by the screw 55 that is inserted through screw inserting hole 32b, the heat sink 32 of said structure is fixedly installed on the base end part (with reference to Fig. 2, Fig. 3) of framework 30, thus, and the base end part of sealing framework 30.And, in order to improve thermal diffusivity, be fastened on after framework 30 at heat sink 32, be for example pasted with the fin 56 that aluminium alloy high by thermal conductivity etc. forms at its back side.At this, the plan view shape of fin 56 is formed as with the shape of heat sink 32 roughly the same, and one side has concavity notch 56a.
As shown in Fig. 2, Fig. 3, Fig. 5, Fig. 6, leaf spring 33 is arranged between flange part 38 and light source module 31 in light source reception room 40, for example, be made up of stainless steel elastomeric material.This leaf spring 33 is with the flat-shaped part of the roughly the same shape of opening shape of inner cylinder portion 35 and is formed by outer shape.But, at a sidepiece of leaf spring 33, be provided with for avoiding, with connector portion 50, the notch 33a disturbing occur.And, on leaf spring 33, be provided with photoconduction for the illuminating part of light source module 31 47 the is sent 33b of circular open portion to the lens section 39 of framework 30.
And, in the critical positions of the edge part of leaf spring 33, be provided with multiple (for example, 3) 33c of spring portion.The 33c of these spring portions is for example by making that section bending formation the upward that otch forms is set on the part of leaf spring 33.And, limit by flange part 38 at leaf spring 33 forward under the state of distolateral movement, each 33c of spring portion and module substrate 45 Elastic Contact, thus, light source module 31 is by the heat sink 32 side application of forces.And by this active force, module substrate 45 is crimped on heat sink 32 and contacts with its face, thus, light source module 31 is held in (in light source reception room 40) in framework 30.
As shown in Figure 2 and Figure 3, the lamp 3 of said structure is inserted in lamp socket 2 from below.Then, be arranged at that the lamp of lamp socket 2 is fixing is fastened on the recess 41 for engaging in the framework 30 that is formed at lamp 3 with the claw of the engaging on leaf spring 17 17c, lamp 3 is held in lamp socket 2 thus.Now, each bonder terminal 50a of connector portion 50 inserts respectively the slit 18a of connector resettlement section 18, and contacts with spring contact 18b in connector resettlement section 18.Thus, lamp socket 2 sides and lamp 3 sides are electrically connected, and can supply with the electric power from not shown supply unit to each LED46.In addition, for example, the insertions such as tabular fixture are formed to the notch 15a on the inward flange 15 of lamp socket 2, and the engaging between recess 41 and engaging claw 17c for engagement release, thereby unload lamp 3 from lamp socket 2.
According to above-mentioned embodiment, lamp 3 comprises: the framework 30 around the lens section 39 of irradiating illumination light with flange part 38 and base end side opening; Have and the pottery module substrate 45 processed of LED46 is installed and is disposed in the light source module 31 in framework 30; Be fixedly installed on the base end part of framework 30 and seal the heat sink 32 of the base end part of this framework 30; Be arranged between flange part 38 and light source module 31, make the leaf spring 33 of module substrate 45 and heat sink 32 crimping, therefore, by cheap price and simple structure, also can be to keep exactly light source module 31 in limited space.; between the flange part 38 of framework 30 and light source module 31, leaf spring 33 is installed; by the active force of this leaf spring 33; thereby making module substrate 45 be crimped on heat sink 32 is held in light source module 31 in framework 30; without form screwed hole etc. on pottery module substrate 45 processed, also configure pressing plate etc. without the periphery at light source module 31 etc. thus.Therefore,, by cheap price and simple structure, in limited narrow space, also can keep exactly light source module 31.And, make the contact of its face by making module substrate 45 be crimped on heat sink 32, can be by the heat producing in illuminating part 47 from module substrate 45 sides exactly to heat sink 32 side transmission.
Now, especially owing to having used the leaf spring 33 being with the roughly the same shape of opening shape of the light source reception room 40 of framework 30, thereby easily position etc. and improve assembly operation.And, on this leaf spring 33, peristome 33b is set, light is limited only by the light of peristome 33b from illuminating part 47 to the incident of lens section 39, thus, can make leaf spring 33 have light shield function concurrently.And in the present embodiment, the flange part 38 that the elasticity for lamp 3 being held in self to the engaging recess 41 of lamp socket and overcoming leaf spring of framework 30 is pressed light source module 31 forms as one.Therefore, component count reduces and can reduce costs.Now, owing to engaging the outer periphery that is formed on flange part 38 with recess 41 by conical surface portion 37, thereby in the time that lamp 3 is installed on lamp socket 2, the distortion of lamp 3 is difficult to be delivered to flange part 38, can maintain the pressing force of light source module 31.
And, corresponding with the installation region of the connector portion 50 on module substrate 45, at heat sink 32, notch 32a is set, thereby in the time making module substrate 45 be crimped on the heat sink 32 with electric conductivity, also can guarantees enough arcing distances with respect to connector portion 50.And, because the heat that can suppress to come self-luminescent part 47 is delivered to the installation region of connector portion 50 through heat sink 32, therefore, for example can suppress the fixing of connector portion 50 self or solder portion that each bonder terminal 50a uses with respect to the electric connection of pattern distribution etc. because of and module substrate 45 between the difference of coefficient of thermal expansion crack.
In addition, making the engaging claw 17c of lamp socket 2 sides and engaging in the process engaging with recess 41 of lamp 3 sides, as shown in Figure 7, for example lamp fixing with leaf spring 17 by strain., the fixing leaf spring main body 17a with leaf spring 17 of lamp and engaging are passed through from the lamp suffered stress F of 3 side and to peripheral direction strain with claw 17c.Now, because engaging is that side-glance shape is general triangular with claw 17c, and structure that can strain take the upper side of leaf spring main body 17a as fulcrum, the therefore upper generation of claw 17c component f downwards for engaging.Then, due to this component f, the pitch enlargement between claw 17c and radiator 70 for engaging, thus can make the ratio engaging of lamp 3 enter into exactly between engaging claw 17c and radiator 70 with the position of recess 41 top sides.Therefore, for example, in the case of by engaging with the gap g between claw 17c and radiator 70 be made as slightly less than the thickness t of the engaging of lamp 3 recess 41 top sides, also can make engaging claw 17c be sticked in exactly to engage to use recess 41.And by as above setting the relation between gap g and thickness t, engaging is engaged by the claw 17c application of force upward all the time with recess 41.Thus, the fin 56 of lamp 3 contacts with 70, radiator exactly, guarantees best thermal conductivity each other.
At this, for example in the above-described embodiment, in order to prevent from illuminating part 47 to side the temperature rise of the framework 30 that the veiling glare of radiation causes, as shown in Figure 8, for example can be at framework 30(light source reception room 40) in speculum 60 be installed and formed lamp 3, this speculum 60 reflects the light of the radiation from illuminating part 47 to side to lens section 39.Now, speculum 60 is for example arranged between flange part 38 and leaf spring 33, and the base end part side of speculum 60 is embedded in the peristome 33b of leaf spring 33.Thus, leaf spring 33 has light source module 31 to the function of the heat sink 32 side application of forces and has the function to the flange part 38 side application of forces by speculum 60.And, by this active force, in framework 30, can make speculum 60 be kept with the state that leaves light source module 31.Therefore, suppose to be subject to the impact of veiling glare etc. and the temperature rise of speculum 60 also can prevent from being delivered to light source module 31 from the heat of speculum 60.
Claims (5)
1. a lamp, is characterized in that, possesses:
Framework, has retainer in the perimembranous of the irradiation portion of irradiating illumination light, and base end part opening;
Light source module, has the pottery module substrate processed that light-emitting component is installed, and is disposed in described framework;
Heat sink, is fixedly installed on the base end part of described framework and seals the base end part of this framework;
Elastomer, is arranged between described retainer and described light source module, makes described module substrate be crimped on described heat sink.
2. lamp according to claim 1, is characterized in that,
Described elastomer is leaf spring.
3. lamp according to claim 1 and 2, is characterized in that,
Described light source module has the connector portion being installed on described module substrate,
In described heat sink, there is notch in the region corresponding with the installation region of the described connector portion on described module substrate.
4. according to the lamp described in any one in claims 1 to 3, it is characterized in that,
Described lamp also has speculum, and described speculum is arranged between described retainer and described elastomer, by the light from described light-emitting component to the reflection of described irradiation portion,
Described speculum is crimped on described retainer by described elastomer.
5. a lighting device, is characterized in that, possesses:
Lamp in claim 1 to 4 described in any one;
Keep the lamp socket of described lamp.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-242737 | 2012-11-02 | ||
| JP2012242737A JP2014093188A (en) | 2012-11-02 | 2012-11-02 | Lamp and lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103807638A true CN103807638A (en) | 2014-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310360233.8A Pending CN103807638A (en) | 2012-11-02 | 2013-08-16 | Lamp and illuminating device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2014093188A (en) |
| CN (1) | CN103807638A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7138574B2 (en) * | 2019-01-09 | 2022-09-16 | 三菱電機株式会社 | Light source unit and luminaire equipped with same |
-
2012
- 2012-11-02 JP JP2012242737A patent/JP2014093188A/en active Pending
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2013
- 2013-08-16 CN CN201310360233.8A patent/CN103807638A/en active Pending
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| Publication number | Publication date |
|---|---|
| JP2014093188A (en) | 2014-05-19 |
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Application publication date: 20140521 |