CN102997084B - LED unit and use the LED illumination utensil of this LED unit - Google Patents
LED unit and use the LED illumination utensil of this LED unit Download PDFInfo
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- CN102997084B CN102997084B CN201210266756.1A CN201210266756A CN102997084B CN 102997084 B CN102997084 B CN 102997084B CN 201210266756 A CN201210266756 A CN 201210266756A CN 102997084 B CN102997084 B CN 102997084B
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Abstract
A kind of LED unit and use the LED illumination utensil of this LED unit.This LED unit (10) possesses: unit main body portion (1), possesses LED(2 surface (1aa) side), make LED(2) heat that produces dispels the heat from another face side contrary with surface (1aa) side; And housing department (3), storage holding unit main part (1), is formed by thermally-conductive materials; In this LED unit (10), housing department (3) has protuberance (3b), and this protuberance (3b) is protruding outside from the side side direction of unit main body portion (1), makes the LED(2 from another face side) heat carry out heat transfer, and externally to dispel the heat.
Description
Technical field
The present invention relates to a kind of LED unit and use the LED illumination utensil of this LED unit.
Background technology
In the past, the LED illumination utensil (such as patent document 1,2) of the various structures possessing LED as light source is proposed.
As LED illumination utensil, the ligthing paraphernalia of patent document 1 as shown in figure 15, has the installation base plate 108 installing LED chip 109.Ligthing paraphernalia has: appliance body 100, is the shape that bottom 103 is integrated with 104 one-tenth, cylinder portion, is provided with installation base plate 108 in inside; With lens unit 118, be arranged on the front of LED chip 109, there are lens 120.In addition, ligthing paraphernalia has the lens unit maintaining part 115 remained on by lens unit 118 on appliance body 100.Ligthing paraphernalia, by lens unit maintaining part 115 being arranged on the inner side in a portion 104, makes the cylinder portion 104 of appliance body 100 externally expose.
Thus, the heat that LED chip 109 can produce by the ligthing paraphernalia of patent document 1 is externally dispelled the heat efficiently from cylinder portion 104.
In addition, the ligthing paraphernalia of patent document 1 is, the back side of installation base plate 108 is close to via heat transfer insulating element 111 and the adapter 112 be made up of metal.In addition, ligthing paraphernalia has the concave portion 102 of storage socket 114 in the bottom 103 of appliance body 100.Ligthing paraphernalia, by the electrode 113 of installation base plate 108 is inserted socket 114, appliance body 100 keeps installation base plate 108.Internal thread part 106 corresponding for external thread part 117 with lens unit maintaining part 115 is arranged on the inner side in the cylinder portion 104 of appliance body 100 by ligthing paraphernalia.Ligthing paraphernalia makes lens unit 118 engage with the lug 119 of lens unit maintaining part 115 and remain on appliance body 100.
In addition, the LED light device of patent document 2 as shown in figure 16, possesses the resettlement section 211 be made up of recess in face side, and side has the housing 210 defined with the heat conductivity of the multiple blade 216 of resettlement section 211 continuous print overleaf.LED light device has: be configured in the LED mounting substrate 220 on the bottom surface 212 of resettlement section 211; With the multiple LED230 be arranged on LED mounting substrate 220.In addition, LED light device has the reflecting plate 250 be configured on LED mounting substrate 220.Reflecting plate 250 by towards the expanding multiple opening portions 251 of face side, LED230 separately around formation reflecting surface.LED light device has lens board 270, and this lens board 270 covers face side and the side of reflecting plate 250, is being located by reflecting plate 250 and is being fixed on housing 210 under the state pressed.Lens board 270 possesses the lens section 271 identical with opening portion 251 quantity, and each lens section 271 is positioned on corresponding opening portion 251.
Thus, the heat that LED230 produces can be dispelled the heat by the LED light device of patent document 2 efficiently.
In addition, the LED light device of patent document 2 is on reflecting plate 250, load light diffusing sheet 260, makes lens board 270 cover reflecting plate 250.LED light device is configured to, and the locator protrusions 272 of lens board 270, through the hole 222 of the otch 261 of light diffusing sheet 260, the otch 252 of reflecting plate 250 and LED mounting substrate 220, inserts the hole 214 of resettlement section 211.LED light device is configured to, and screw 290 can be made to be passed in the hole 222 of screw and the LED mounting substrate 220 arranged in the otch 273 of lens board 270, thus insert the hole 215 of resettlement section 211.In addition, LED light device is configured to, and possesses locking pin 282, utilize the stop hole 213 of locking pin 282 and resettlement section 211, be arranged on housing 210 by cover 280 in the rear side of cover 280.LED light device is configured to, and the front end of lens section 271 is stretched out from the hole 281 of cover 280.
Patent document 1: Japanese Unexamined Patent Publication 2004-327138 publication
Patent document 2: Japanese Unexamined Patent Publication 2010-49830 publication
But the output of the LED as light source of LED illumination utensil improves year by year, and seeks high output further.LED has the caloric value along with high output and also becomes large trend.LED has and exports the evils such as reduction, lifetime along with the heating of LED.Therefore, LED illumination utensil requires higher thermal diffusivity, when using LED larger for caloric value as light source, only insufficient by the structure of the ligthing paraphernalia of above-mentioned patent document 1 and the LED light device of patent document 2, requires further to improve.
Summary of the invention
The present invention makes in view of the above-mentioned origin of an incident, its object is to, provides the more excellent LED unit of a kind of thermal diffusivity and use the LED illumination utensil of this LED unit.
The feature of LED unit of the present invention is to possess: unit main body portion, possesses LED a face side, and the heat that above-mentioned LED is produced is dispelled the heat from another face side contrary with this face side; And housing department, storage keeps this unit main body portion, is formed by thermally-conductive materials; Above-mentioned housing department has protuberance, and this protuberance is protruding outside from the side side direction of said units main part, makes the heat of the above-mentioned LED from another face side above-mentioned carry out heat transfer, and externally dispels the heat.
The feature of LED illumination utensil of the present invention is to possess: above-mentioned LED unit; Framework, the front-surface side of the described LED unit that the light being arranged on the above-mentioned LED above-mentioned face side from this LED unit possessed is released; And appliance body, be arranged on the back-surface side of the above-mentioned LED unit contrary with above-mentioned front-surface side, above-mentioned LED unit is, above-mentioned protuberance is clamped by above-mentioned framework and above-mentioned appliance body, at least one party in above-mentioned appliance body and above-mentioned framework is formed by thermal conductive member, and the part contacted with above-mentioned protuberance of this thermal conductive member makes to dispel the heat from the heat of above-mentioned LED.
In this LED illumination utensil, at least one party in preferred above-mentioned appliance body and above-mentioned framework has location division, and the position of above-mentioned protuberance relative to above-mentioned appliance body or above-mentioned framework positions by this location division.
In this LED illumination utensil, at least one party in preferred above-mentioned appliance body and above-mentioned framework has interim maintaining part, under the state that this interim maintaining part does not clamp above-mentioned protuberance at above-mentioned appliance body and above-mentioned framework, above-mentioned protuberance is kept relative to above-mentioned appliance body or above-mentioned framework temporarily.
In this LED illumination utensil, preferred above-mentioned protuberance has conducting parts, and this conducting parts, can from the energising of above-mentioned appliance body side direction above-mentioned LED unit under the state of above-mentioned protuberance by above-mentioned appliance body and the clamping of above-mentioned framework.
In this LED illumination utensil, preferred above-mentioned framework has fin, and this fin makes via above-mentioned protuberance and the heat radiation of the heat of heat conducting above-mentioned LED.
In this LED illumination utensil, under the state that preferably hold above-mentioned protuberance at above-mentioned appliance body and above-mentioned framework, above-mentioned appliance body and above-mentioned framework are carried out pressing the pressing retaining portion kept and are clamped to above-mentioned appliance body and above-mentioned framework.
The effect of invention:
In LED unit of the present invention, the LED unit that thermal diffusivity is more excellent can be provided.
In LED illumination utensil of the present invention, the LED illumination utensil possessing the more excellent LED unit of thermal diffusivity can be provided.
Accompanying drawing explanation
Fig. 1 is the approximate three-dimensional map of the LED unit of embodiment 1.
Fig. 2 is the use of the exploded perspective view of the LED illumination utensil of the same LED unit.
Fig. 3 is the approximate three-dimensional map of the LED unit of embodiment 2.
Fig. 4 is the use of the exploded perspective view of the LED illumination utensil of the same LED unit.
Fig. 5 is the use of the exploded perspective view of other LED illumination utensils of the same LED unit.
Fig. 6 is the exploded perspective view of the LED illumination utensil of embodiment 3.
Fig. 7 is the key diagram of the assembling procedure of the same LED illumination utensil.
Fig. 8 is the key diagram of the assembling procedure of the same LED illumination utensil.
Fig. 9 is the exploded perspective view of the LED illumination utensil of embodiment 4.
Figure 10 is the stereogram of the major part of the same LED illumination utensil.
Figure 11 is the exploded perspective view of the LED illumination utensil of embodiment 5.
Figure 12 is the exploded perspective view of other the same LED illumination utensils.
Figure 13 is the approximate three-dimensional map of the LED illumination utensil of embodiment 6.
Figure 14 is the explanation sectional view of the same LED illumination utensil.
Figure 15 is the summary sectional view of ligthing paraphernalia in the past.
Figure 16 is the exploded perspective view of LED light device in the past.
Detailed description of the invention
Below, with reference to the accompanying drawing forming this description part, embodiments of the present invention are described in detail.In accompanying drawing entirety, give identical reference marks for identical or similar part and omit the description.
(embodiment 1)
Below, use Fig. 1 that the LED unit 10 of present embodiment is described, use Fig. 2 that the LED illumination utensil 20 employing LED unit 10 is described.
The LED unit 10 of present embodiment as shown in Figure 1, possesses unit main body portion 1, and this unit main body portion 1 possesses LED2 a surperficial 1aa side, and the heat that produced by LED2 is dispelled the heat from another face side (downside of the paper of Fig. 1) contrary with surperficial 1aa side.In addition, LED unit 10 possesses housing department 3, and this housing department 3 receives holding unit main part 1, is formed by thermally-conductive materials.Particularly, the housing department 3 of the LED unit 10 of present embodiment has protuberance 3b, and this protuberance 3b is protruding outside from the side side direction in unit main body portion 1, makes the heat from the LED2 of another face side above-mentioned carry out heat transfer and externally dispel the heat.
In addition, the LED illumination utensil 20 shown in the Fig. 2 employing LED unit 10 of present embodiment possesses above-mentioned LED unit 10.LED illumination utensil 20 possesses framework 12, and this framework 12 is arranged on the front surface 10a side of LED unit 10, and the light of the LED2 that a surperficial 1aa side from LED unit 10 possesses by this LED unit 10 is released.LED illumination utensil 20 possesses appliance body 11, and this appliance body 11 is arranged on the back-surface side (downside of the paper of Fig. 2) of the LED unit 10 contrary with front surface 10a side.Particularly, LED unit 10 is by framework 12 and appliance body 11 Grip tabs 3b.In addition, at least one party in appliance body 11 and framework 12 is formed by thermal conductive member, and this thermal conductive member makes to dispel the heat from the heat of LED2 from the part contacted with protuberance 3b.
The LED unit 10 of present embodiment is, by the protuberance 3b of the housing department 3 of LED unit 10, the heat from the LED2 of another face side above-mentioned can be made to carry out heat transfer and externally dispel the heat efficiently.That is, the LED unit 10 of present embodiment, can become the structure of the more excellent LED unit of thermal diffusivity 10.
In addition, the LED illumination utensil 20 employing LED unit 10 of present embodiment can be configured to: the protuberance 3b clamping LED unit 10 between appliance body 11 and frame portion 12.LED illumination utensil 20, by adopting the structure of the protuberance 3b of clamping LED unit 10, can also dispel the heat from appliance body 11 and frame portion 12.That is, LED illumination utensil 20 can become the structure of the more excellent LED illumination utensil 20 of thermal diffusivity.Further, LED illumination utensil 20 by adopting the structure of the protuberance 3b of clamping LED unit 10, with to be fixed by screw etc. fix LED unit 10 itself situation compared with, can easily to assemble and production manufactures LED illumination utensil 20 better.
Below, the LED unit 10 of present embodiment and LED illumination utensil 20 are described in more detail.
The LED unit 10 of present embodiment, has the unit main body portion 1 that overall outer shape is tabular (such as discoideus).LED unit 10 possesses in a surperficial 1aa side in unit main body portion 1 LED2 that multiple (in this case 13) have LED chip 2a.Further, LED unit 10 has the housing department 3 of bottom tube-like (such as bottomed cylindrical), and this housing department 3 receives holding unit main part 1, is formed by thermally-conductive materials (such as aluminium, copper, stainless steel).LED unit 10 preferably possesses the cover portion 1a of light transmission, the light transmission of the LED2 that this cover portion 1a can make a surperficial 1aa side from unit main body portion 1 possess.Cover portion 1a is such as formed as bottomed cylindrical by translucent resin or glass, and is arranged in unit main body portion 1 in the mode covering LED2.Although LED unit 10 is not shown, unit main body portion 1 possesses a pair electric wire be electrically connected with LED2, can to power from outside to LED2 and it is luminous.Multiple LED2 is electrically connected in series by circuit pattern (not shown) etc. respectively in a surperficial 1aa side in unit main body portion 1.In addition, multiple LED2 not only can be electrically connected in series, and also can be connected in parallel, and still can connection in series-parallel connect.
LED2 such as can be configured to, and has LED chip 2a in inside, and possesses resin enclosure or translucent cover etc., and this resin enclosure or translucent cover have the reflecting part light from LED chip 2a externally can released efficiently.LED chip 2a such as has pn knot, can use the gallium nitride compound semiconductor element that light desired for blue light etc. can be released and be formed.
That is, LED2 can be configured to, and possesses: LED chip 2a; Surrounding wall portion, surrounds LED chip 2a, is reflected by the light from LED chip 2a; And resin enclosure, formed by the sealing etc. of the LED chip 2a covered in surrounding wall portion.LED2 has blue LED die as LED chip 2a.The fluorophor be made up of yellow fluorophor is mixed in the light transmission encapsulant (such as silicones, epoxy resin, glass etc.) of sealing by LED2, the fluorophor that be made up of yellow fluorophor should be radiated wider sodium yellow by the blue excitation that radiates from blue LED die.LED2 can form the White LED obtaining white light.In addition, the fluorophor of LED2 is not limited to yellow fluorophor, such as, also can use red-emitting phosphors and green-emitting phosphor.The LED chip 2a and red-emitting phosphors, green-emitting phosphor and blue emitting phophor that can send purple or black light also can combine by LED2, and form the White LED that can send white light.Further, red LED chips, green LED chip and blue LED die also can combine by LED2, and form the White LED that can send white light.
In addition, LED2 also can containing being carried out absorbing at least one portion of the light from LED chip 2a and being transformed to the fluorophor of the light of different wave length in the translucent cover covering LED chip 2a.That is, LED2 such as also can have: the LED chip 2a be made up of the gallium nitride compound semiconductor element sending blue light; And translucent cover, contain in resin and absorb blue light and the fluorophor sending the sodium yellow as complementary color.Thus, LED2 can send white light.
The unit main body portion 1 that the LED unit 10 of present embodiment uses, such as, can make the housing installation base plate being provided with LED2 being housed in inner aluminium die casting.In addition, unit main body portion 1 is as the material higher than heat conductivity with resin-phase, is not limited to aluminium, such as, also can be formed by the metal such as copper, stainless steel.In addition, unit main body portion 1 also can use heat conductivity excellent and can form the installation base plate of the tabular of foregoing circuit pattern etc. itself.In the LED unit 10 of present embodiment, the shape in unit main body portion 1 being become toroidal, but is not limited thereto, such as, also can be polygon-shaped, also can be elliptical shape.
Installation base plate such as uses metallic substrates printed wiring board and is formed, and is formed with the pair of terminal portion be electrically connected with LED2.Installation base plate uses metallic substrates printed wiring board, but is not limited to this, such as, also can use ceramic substrate, glass epoxy substrate etc.In addition, electric wire is electrically connected with each portion of terminal via the junction surface be made up of scolding tin (not shown).The portion of terminal that electric wire is connected with the positive side of LED2 connects, and the portion of terminal that another electric wire is connected with the minus side of LED2 connects.In addition, installation base plate is being provided with the upper surface side of LED2, reflecting layer (not shown) that be formed with the position beyond covering LED2 and each portion of terminal, that be made up of the resist layer etc. of white.Installation base plate can suppress to be mounted substrate from the light of LED2 radiation and absorb.
Unit main body portion 1, in order to improve the heat conductivity between installation base plate, also can configure the fin of not shown electrical insulating property between installation base plate and unit main body portion 1.Thus, the heat that unit main body portion 1 can make LED2 produce is dispelled the heat efficiently by fin another face side above-mentioned from unit main body portion 1.In addition, the LED unit 10 of present embodiment, the heat that LED2 can be produced is via another surface lateral housing department 3 side above-mentioned heat radiation from unit main body portion 1 of installation base plate, fin and unit main body portion 1.
In addition, fin advantageous applications employs the Silica hydrogel sheet of silicones, and this Silica hydrogel sheet is lower, soft by gel, bridge formation density, have flexible gel elastomeric material is formed.Fin is not limited to Silica hydrogel as the material of fin, also can use the soft elastomeric material (such as material in polyester resin) with electrical insulating property and heat conductivity.
Then, housing department 3 is formed as the bottomed cylindrical slightly larger than the outer shape in the unit main body portion 1 can receiving holding unit main part 1.In addition, the housing department 3 of the LED unit 10 of present embodiment has protuberance 3b, 3b of pair of plate-shaped, protuberance 3b, 3b of this pair of plate-shaped are protruding outside from the side side direction in unit main body portion 1, make the heat of the LED2 of another face side above-mentioned from unit main body portion 1 carry out heat transfer and externally dispel the heat.
In other words, the housing department 3 of the LED unit 10 of present embodiment has protuberance 3b, and this protuberance 3b extends configuration laterally from the open end of the cylindrical portion 3a of bottomed cylindrical, can be clamped by framework 12 and appliance body 11.The LED unit 10 of present embodiment is, in overlooking, protuberance 3b, the 3b from cylindrical portion 3a continuous print pair of plate-shaped is integratedly arranged on symmetrical position across cylindrical portion 3a.Protuberance 3b is not limited to 2, also can arrange more than 3, can also form the circular flange that the open end along cylindrical portion 3a is arranged.Housing department 3 can make protuberance 3b and cylindrical portion 3a form as one, and also can be formed independently.In addition, housing department 3 preferably possesses notch 3c, so that easy housing unit main part 1.This housing department 3 such as can be formed by the pressing processing of the aluminium sheet, copper coin, corrosion resistant plate etc. more excellent than resin heat conductivity.
Then, the LED illumination utensil 20 possessing LED unit 10 of present embodiment is described.
LED illumination utensil 20 as shown in Figure 2, protuberance 3b, the 3b outstanding from the housing department 3 of LED unit 1 are housed in circular collecting rank portion 11b, and these collecting rank portion 11b is from being arranged at the recess 11a of appliance body 11 of back-surface side (downside of the paper of Fig. 2) of LED unit 10 with step-like formation.In other words, LED illumination utensil 20 is configured to, and can receive the cylindrical portion 3a of housing department 3 in the recess 11a of appliance body 11, and the protuberance 3b of housing department 3 is housed in collecting rank portion 11b.At this, the LED illumination utensil 20 employing LED unit 10 of present embodiment is that cylindrical portion 3a abuts with the inner bottom surface of recess 11a, and protuberance 3b abuts with collecting rank portion 11b.In addition, each protuberance 3b becomes the arc-shaped of the madial wall shape making the leading section of protuberance 3b along circular collecting rank portion 11b.
Further, employ in the LED illumination utensil 20 of LED unit 10 in present embodiment, possess framework 12 in the front surface 10a side of LED unit 10.LED illumination utensil 20 is assembled as, and can be clamped the protuberance 3b of LED unit 10 by framework 12 and appliance body 11.At this, LED illumination utensil 20 uses aluminum to be formed, so as the entirety of appliance body 11 and framework 12 respectively or at least one become thermal conductive member.Therefore, the part that appliance body 11 and framework 12 can make the heat of LED2 contact from the protuberance 3b formed with by aluminum is dispelled the heat efficiently.In addition, as the material of appliance body 11 and framework 12, although adopt aluminium, the metal beyond aluminium can also be adopted.
LED illumination utensil 20 is configured to, and such as, under the state being clamped between appliance body 11 and framework 12 by LED unit 10, appliance body 11 and framework 12 can be fixed by not shown assembling screw.LED illumination utensil 20 is not limited by assembling screw to clamp framework 12 and appliance body 11.LED unit 10 is clamped between appliance body 11 and framework 12 by LED illumination utensil 20, can assembled LED ligthing paraphernalia 20 more easily.In addition, LED illumination utensil 20 is provided with in the perimembranous in unit main body portion 1 and is electrically connected and a pair electric wire (not shown) of deriving from notch 3c side with LED2.What electric wire was configured to be passed in through setting on appliance body 11 provides hole (not shown) and and external electrical connections.
Framework 12 has the outer shape roughly consistent with the outer shape of discoid appliance body 11.Framework 12 is that central portion is provided with opening portion 12a, is provided with the front surface panel 13 of light transmission in the mode of occlusion of openings portion 12a.Front surface panel 13 is such as formed by translucent material (such as silicones, mylar, glass etc.).Light from LED2 is emitted to outside via front surface panel 13 by LED illumination utensil 20.In addition, front surface panel 13 can be flat shape, in order to make light optically focused from LED2 or diffusion, also can adopt lens shape.
More particularly, the LED illumination utensil 20 possessing LED unit 10 of present embodiment is that framework 12 possesses the front surface panel 13 of polyester, the light transmission that this front surface panel 13 will radiate from LED2.LED illumination utensil 20 is configured to, and is clamped between framework 12 and appliance body 11 by protuberance 3b.Protuberance 3b is chimeric with collecting rank portion 11b.The protuberance 3b that the collecting rank portion 11b that LED illumination utensil 20 also can fix appliance body 11 by gas-tight seal seal (such as silicones etc.) accommodates.Seal preferably uses silicones as the material of seal, but also can use other resin materials (such as epoxy resin, urethane resin etc.).
The LED unit 10 of present embodiment, is not only the back-surface side of LED unit 10, and protuberance 3b that can also be outstanding via the side direction outside, side from unit main body portion 1 makes the heat of LED2 externally dispel the heat, and can improve thermal diffusivity.In addition, the LED illumination utensil 20 possessing LED unit 10 of present embodiment, by being clamped between framework 12 and appliance body 11 by the protuberance 3b of housing department 3, keeps LED unit 10.Therefore, LED illumination utensil 20 can keep and assembled LED unit 10 fairly simplely, can improve the production of LED illumination utensil 20.
(embodiment 2)
The LED illumination utensil 20 of the present embodiment shown in Fig. 3 to Fig. 5 is configured to, and the protuberance 3b of the embodiment 1 shown in Fig. 2 arranges through hole 3d, and arranges the location division positioned the position of protuberance 3b on appliance body 11 or framework 12.In addition, give identical symbol for the inscape identical with embodiment 1, and suitably omit the description.
In the LED illumination utensil 20 of present embodiment, at least one party in appliance body 11 and framework 12 has location division, and this location division positions relative to the position of appliance body 11 or framework 12 protuberance 3b.
More particularly, LED illumination utensil 20 as shown in Figure 4, as the location division positioned relative to the position of appliance body 11 by protuberance 3b, appliance body 11 has jut 11d, the through hole 3d of the through through setting on the protuberance 3b of LED unit 10 of this jut 11d.That is, LED illumination utensil 20 is when to assemble by the mode of appliance body 11 and framework 12 Grip tabs 3b, makes the jut 11d being arranged at appliance body 11 insert the through through hole 3d being arranged at protuberance 3b.Thus, LED illumination utensil 20 can make LED unit 10 be positioned on appliance body 11.
In addition, LED illumination utensil 20 as shown in Figure 5, as the location division positioned relative to the position of framework 12 by protuberance 3b, also can have jut 12d in framework 12, the through hole 3d of the through through setting on the protuberance 3b of LED unit 10 of this jut 12d.
LED illumination utensil 20, when to be assembled by the mode of appliance body 11 and framework 12 Grip tabs 3b, makes the jut 12d being arranged at framework 12 insert the through through hole 3d being arranged at protuberance 3b.Thus, LED illumination utensil 20 can make LED unit 10 be positioned in framework 12.
The LED illumination utensil 20 employing LED unit 10 of present embodiment also can be configured to, and before being clamped between framework 12 and appliance body 11 by LED unit 10, is positioned by protuberance 3b in advance relative to the position of appliance body 11 or framework 12.
At least one party in the appliance body 11 of LED illumination utensil 20 and framework 12, can navigate to the position of protuberance 3b in appliance body 11 or framework 12.That is, LED illumination utensil 20 can make jut 11d, 12d play a role as the location division of LED unit 10.
The LED illumination utensil 20 possessing LED unit 10 of present embodiment can position assembling to LED unit 10 fairly simplely, can improve production.
(embodiment 3)
The difference of the LED illumination utensil 20 of present embodiment for: unlike the embodiment 2 shown in Fig. 4, Fig. 5, possess the location division that LED unit 10 is positioned, but as shown in Figure 6 to 8, have and the interim interim maintaining part kept is carried out to protuberance 3b.In addition, give identical symbol for the inscape identical with embodiment 2, and suitably omit the description.
In the LED illumination utensil 20 of present embodiment, framework 12 has jut 12d, and this jut 12d plays a role as the interim maintaining part making protuberance 3b remain in framework 12 temporarily.
Jut 12d as shown in Figure 6, such as, has axle portion 12d1 and the large-diameter portion 12d2 of the pole shape axially generally perpendicularly given prominence to relative to circular framework 12, and forms the shape of T-shaped.In addition, protuberance 3b possesses through hole 3d, and this through hole 3d has: inserting hole portion 3d1, slightly larger than the diameter of large-diameter portion 12d2, can insert and keep jut 12d; And insert maintaining part 3d2, and be communicated with inserting hole portion 3d1, less than large-diameter portion 12d2, slightly larger than the diameter of axle portion 12d1.LED unit 10 is, in overlooking, through hole 3d is arranged symmetrically respectively on a pair protuberance 3b in unit main body portion 1.In addition, the through hole 3d that a pair protuberance 3b is arranged respectively is provided with from inserting hole portion 3d1 to mutual rightabout and inserts maintaining part 3d2, LED unit 10 can be made to rotate relative to framework 12.
LED unit 10, when the assembling of LED illumination utensil 20, makes the jut 12d of framework 12 insert the inserting hole portion 3d1(of through hole 3d with reference to Fig. 7).In addition, LED unit 10 is rotated relative to framework 12, can keep large-diameter portion 12d2(with reference to Fig. 8 by the maintaining part 3d2 that inserts be communicated with inserting hole portion 3d1).Thus, LED unit 10 can remain in framework 12 temporarily.
In addition, LED illumination utensil 20 also can be configured to, although not shown, but when LED unit 10 is remained on appliance body 11 temporarily, such as be arranged on the through hole 3d of protuberance 3b through, the jut (not shown) with the jut 3d same shape of the Fig. 6 being arranged at appliance body 11 is set.LED illumination utensil 20 also can be configured to, and makes the jut of appliance body 11 insert the through hole 3d of LED unit 10, LED unit 10 is remained on appliance body 11 temporarily.
Thus, the LED illumination utensil 20 possessing LED unit 10 of present embodiment can keep assembled LED unit 10 fairly simplely, can improve production.
(embodiment 4)
LED illumination utensil 20 shown in Fig. 9 and Figure 10 of present embodiment is configured to, and at the through edge part being arranged at the through hole 3d of protuberance 3b, possesses the conducting parts 3e that can be energized to LED unit 10.In addition, give identical symbol for the inscape identical with the respective embodiments described above, and suitably omit the description.
The LED illumination utensil 20 of present embodiment, as shown in Fig. 9 and Figure 10, possesses conducting parts 3e, under the state that this conducting parts 3e is clamped by appliance body 11 and framework 12 at protuberance 3b, can be energized from appliance body 11 to LED unit 10.
More particularly, LED illumination utensil 20 possesses conducting parts 3e, and electric wire 1b, 1b that this conducting parts 3e derives with the unit main body portion 1 from LED unit 10 are electrically connected.In addition, LED illumination utensil 20 is provided with the connector 11d be connected with the conducting parts 3e of the connector forming LED unit 10 side in appliance body 11 side.LED illumination utensil 20 possesses the conducting parts 3e of the connector 11d making pin 3e1 insertion device main body 11 side, via the electric wire 1b be connected with conducting parts 3e, can power to the LED2 of LED unit 10 side.
Conducting parts 3e can be connected with dismantling as the connector 11d of power supply unit side by the LED illumination utensil 20 of present embodiment freely.
Thus, the LED illumination utensil 20 of present embodiment is provided with the conducting parts 3e that detachably can be connected with the connector 11d of power supply unit side in the leading section of a pair electric wire 1b, 1b, therefore, it is possible to attended operation when easily carrying out the dismounting of LED unit 10, than being easier to the replacing carrying out LED unit 10.
In addition, the LED illumination utensil 20 of present embodiment is, in overlooking, across cylindrical portion 3a on the position of the protuberance 3b with conducting parts 3e symmetry, is provided with the illusory connector 3f be not electrically connected with LED2.In addition, LED illumination utensil 20 is, in overlooking, across cylindrical portion 3a on the position of appliance body 11 side with connector 11d symmetry, has the illusory connector 11f be not electrically connected with LED2.Illusory connector 3f can be connected with illusory connector 11f by LED illumination utensil 20.Thus, LED illumination utensil 20 can make conducting parts 3e be connected respectively with illusory connector 11f with connector 11d and illusory connector 3f, can keep LED unit 10 temporarily.That is, connector 11d and illusory connector 11f also can play a role as the interim maintaining part being arranged at appliance body 11.
(embodiment 5)
The difference of the LED illumination utensil 20 of the present embodiment shown in Figure 11 for: do not use the profile of the embodiment 3 shown in Fig. 6 to be circular framework 12, and use the framework 12 possessing fin 12c.In addition, give identical symbol for the inscape identical with embodiment 3, and suitably omit the description.
As shown in figure 11, framework 12 has to be made via protuberance 3b and the fin 12c of the heat of heat conducting LED2 heat radiation the LED illumination utensil 20 of present embodiment.
More particularly, LED illumination utensil 20 is, in overlooking, along the periphery of circular framework 12, has multiple fin 12c with radial.LED illumination utensil 20 can make heat from the LED2 of LED unit 10 via protuberance 3b to framework 12 heat transfer, and dispels the heat efficiently from fin 12c.
In addition, LED illumination utensil 20 is not limited in framework 12, only arrange the fin 12c that the heat from LED2 is dispelled the heat, and also as shown in figure 12, appliance body 11 can also arrange multiple fin 11c that the heat of LED2 is dispelled the heat.
(embodiment 6)
The difference of the LED illumination utensil 20 shown in Figure 13 for: possess in a part for the appliance body 11 of the embodiment 5 shown in Figure 12 and the periphery of framework 12 and carry out pressing the pressing retaining portion 14 kept to appliance body 11 and framework 12.In addition, give identical symbol for the inscape identical with embodiment 5, and suitably omit the description.
The LED illumination utensil 20 of present embodiment possesses pressing retaining portion 14, under the state that this pressing retaining portion 14 holds protuberance 3b at appliance body 11 and framework 12, as shown in Figure 13 and Figure 14, can carry out pressing keep appliance body 11 and framework 12.
More particularly, LED illumination utensil 20 is formed with in the many places (in this case 4 places) of the side of the periphery along appliance body 11 the otch perimembranous 11h not arranging fin 11c.Equally, on LED illumination utensil 20, be formed with in the many places (in this case 4 places) of the side of the periphery along framework 12 the otch perimembranous 12f that fin 12c is not set.LED illumination utensil 20 has locking protrusion portion 11g(with reference to Figure 14 at each otch perimembranous 11h of the side of appliance body 11).In addition, the position of LED illumination utensil 20 and the otch perimembranous 12f of framework 12 accordingly, has the recess 12g of substantially rectangular shape in the front-surface side (upside of the paper of Figure 13) of framework 12.In addition, LED illumination utensil 20 has the pressing retaining portion 14 that cross section is roughly J-shaped shape, under the state that this pressing retaining portion 14 holds protuberance 3b at appliance body 11 and framework 12, carries out pressing keep appliance body 11 and framework 12.Pressing retaining portion 14 such as can be formed by the bending machining of the stainless steel of tabular.Pressing retaining portion 14 possesses the claw 14a that can engage with the recess 12 of framework 12 in leading section.In addition, pressing retaining portion 14 possesses in the side that the claw 14a with leading section is contrary and points hook portion 14c.Pressing retaining portion 14, between claw 14a and finger hook portion 14c, possesses the fastener 14b that can engage with the locking protrusion portion 11g of appliance body 11.
Pressing retaining portion 14 can by can to framework 12 and appliance body 11 carry out pressing keep, possess flexible plate body and formed.LED illumination utensil 20 is when carrying out pressing and keeping by pressing retaining portion 14 pairs of frameworks 12 and appliance body 11, protuberance 3b is clamped between framework 12 and appliance body 11.
Pressing retaining portion 14 makes pressing retaining portion 14 elastic deformation, claw 14a and fastener 14b is engaged with the locking protrusion portion 11g being arranged at appliance body 11 with the recess 12g being arranged at framework 12 respectively, thus pressing maintenance can be carried out to appliance body 11 and framework 12.
The LED illumination utensil 20 of present embodiment, under the state that hold protuberance 3b by appliance body 11 and framework 12 by pressing retaining portion 14, can carry out pressing to appliance body 11 and framework 12 fairly simplely keep.
In addition, LED illumination utensil 20 moves to the direction left from appliance body 11 by making the finger hook portion 14c of pressing retaining portion 14, and pressing retaining portion 14 is with claw 14a for fulcrum bends, and fastener 14b leaves from locking protrusion portion 11g.Thus, LED illumination utensil 20 can by framework 12 from appliance body 11 freely dismounting.
Illustrative examples in above-mentioned whole embodiment, embodiment and variation can mutually combine and implement.Above, be illustrated the preferred embodiment of the present invention, but the invention is not restricted to these embodiments determined, can not depart from numerous variations and the distortion of the scope of claim, these are also within the scope of the present invention.
Claims (6)
1. a LED illumination utensil, is characterized in that, possesses:
LED unit, has: unit main body portion, possesses LED a face side, and the heat that above-mentioned LED is produced is dispelled the heat from another face side contrary with this face side; And housing department, storage keeps this unit main body portion, is formed by thermally-conductive materials; Above-mentioned housing department has protuberance, and this protuberance is protruding outside from the side side direction of said units main part, makes the heat of the above-mentioned LED from another face side above-mentioned carry out heat transfer, and externally dispels the heat;
Framework, the front-surface side of the described LED unit that the light being arranged on the above-mentioned LED above-mentioned face side from this LED unit possessed is released; And
Appliance body, is arranged on the back-surface side of the above-mentioned LED unit contrary with above-mentioned front-surface side,
Above-mentioned LED unit is, above-mentioned protuberance is clamped by above-mentioned framework and above-mentioned appliance body, at least one party in above-mentioned appliance body and above-mentioned framework is formed by thermal conductive member, and the part contacted with above-mentioned protuberance of this thermal conductive member makes to dispel the heat from the heat of above-mentioned LED
Above-mentioned framework possesses the front surface panel of light transmission, and the light from above-mentioned LED unit emits to outside via above-mentioned front surface panel,
Above-mentioned framework has a pair jut, each jut has the axle portion of the pole shape axially generally perpendicularly given prominence to relative to framework and large-diameter portion respectively and forms the shape of T-shaped, the pair of protruding portions of above-mentioned LED unit does not possess through hole, above-mentioned through hole has: inserting hole portion, larger than the diameter of above-mentioned large-diameter portion; And insert maintaining part, be communicated with above-mentioned inserting hole portion, less than above-mentioned large-diameter portion, larger than the diameter in above-mentioned axle portion, above-mentioned maintaining part of inserting is arranged from the respective above-mentioned inserting hole portion be communicated with to mutual rightabout.
2., as the LED illumination utensil that claim 1 is recorded, it is characterized in that,
At least one party in above-mentioned appliance body and above-mentioned framework has location division, and the position of above-mentioned protuberance relative to above-mentioned appliance body or above-mentioned framework positions by this location division.
3., as the LED illumination utensil that claims 1 or 2 is recorded, it is characterized in that,
At least one party in above-mentioned appliance body and above-mentioned framework has interim maintaining part, under the state that this interim maintaining part does not clamp above-mentioned protuberance at above-mentioned appliance body and above-mentioned framework, above-mentioned protuberance is kept relative to above-mentioned appliance body or above-mentioned framework temporarily.
4., as the LED illumination utensil that claims 1 or 2 is recorded, it is characterized in that,
Above-mentioned protuberance has conducting parts, and this conducting parts, can from the energising of above-mentioned appliance body side direction above-mentioned LED unit under the state of above-mentioned protuberance by above-mentioned appliance body and the clamping of above-mentioned framework.
5., as the LED illumination utensil that claims 1 or 2 is recorded, it is characterized in that,
Above-mentioned framework has fin along its periphery with radial, and this fin makes via above-mentioned protuberance and the heat radiation of the heat of heat conducting above-mentioned LED.
6., as the LED illumination utensil that claims 1 or 2 is recorded, it is characterized in that,
Under the state that above-mentioned appliance body and above-mentioned framework hold above-mentioned protuberance, above-mentioned appliance body and above-mentioned framework are carried out pressing the pressing retaining portion kept and are clamped to above-mentioned appliance body and above-mentioned framework.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP203485/2011 | 2011-09-16 | ||
| JP2011203485A JP5857264B2 (en) | 2011-09-16 | 2011-09-16 | LED lighting fixtures |
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| CN102997084A CN102997084A (en) | 2013-03-27 |
| CN102997084B true CN102997084B (en) | 2015-08-05 |
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| CN201210266756.1A Active CN102997084B (en) | 2011-09-16 | 2012-07-30 | LED unit and use the LED illumination utensil of this LED unit |
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| JP6355043B2 (en) * | 2014-06-10 | 2018-07-11 | パナソニックＩｐマネジメント株式会社 | Light source unit and lighting apparatus using the same |
| JP6512863B2 (en) * | 2015-02-26 | 2019-05-15 | 三菱電機株式会社 | Light source unit and lighting apparatus |
| JP6562710B2 (en) * | 2015-05-15 | 2019-08-21 | 三菱電機株式会社 | Light source unit and lighting apparatus |
| CN112604922A (en) * | 2020-12-28 | 2021-04-06 | 珠海广浩捷科技股份有限公司 | UV curing device adapted to mushroom head lens |
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| CN201062729Y (en) * | 2007-04-20 | 2008-05-21 | 顺格光电股份有限公司 | LED reflection ball type lamp structure |
| CN101793368A (en) * | 2010-03-16 | 2010-08-04 | 海洋王照明科技股份有限公司 | Embedded taxiway illumination device |
| CN201680212U (en) * | 2010-05-28 | 2010-12-22 | 利得全股份有限公司 | Easily assembled and fixed LED lamp |
| JP4702326B2 (en) * | 2007-06-08 | 2011-06-15 | 市光工業株式会社 | Light-emitting diode fixing structure for lighting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002093206A (en) * | 2000-09-18 | 2002-03-29 | Stanley Electric Co Ltd | Led signal light |
| JP2011029078A (en) * | 2009-07-28 | 2011-02-10 | Mitsubishi Electric Corp | Luminaire |
| JP5042375B1 (en) * | 2011-05-10 | 2012-10-03 | シャープ株式会社 | Straight tube lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201062729Y (en) * | 2007-04-20 | 2008-05-21 | 顺格光电股份有限公司 | LED reflection ball type lamp structure |
| JP4702326B2 (en) * | 2007-06-08 | 2011-06-15 | 市光工業株式会社 | Light-emitting diode fixing structure for lighting device |
| CN101793368A (en) * | 2010-03-16 | 2010-08-04 | 海洋王照明科技股份有限公司 | Embedded taxiway illumination device |
| CN201680212U (en) * | 2010-05-28 | 2010-12-22 | 利得全股份有限公司 | Easily assembled and fixed LED lamp |
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| CN102997084A (en) | 2013-03-27 |
| JP5857264B2 (en) | 2016-02-10 |
| JP2013065461A (en) | 2013-04-11 |
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