CN103672479B

CN103672479B - Ligthing paraphernalia

Info

Publication number: CN103672479B
Application number: CN201210355367.6A
Authority: CN
Inventors: 简毓臣
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-09-21
Filing date: 2012-09-21
Publication date: 2016-05-25
Anticipated expiration: 2032-09-21
Also published as: CN103672479A

Abstract

A kind of ligthing paraphernalia, that the metal fin with a tank is set in the sealing accommodation space of a lamp body, one light-emitting device is arranged in the tank of this metal fin, and this light-emitting device passes through good water-proofing treatment in advance, form waterproof isolation with the cooling fluid with the accommodation space that is injected into this lamp body, so, the high temperature that this light-emitting device produces, to be cooled that liquid takes away and be scattered in equably in water, thus to reach the object of quick heat radiating.

Description

Ligthing paraphernalia

Technical field

The present invention is relevant with light structures, in more detail refers to a kind of great heat radiation effect that hasLigthing paraphernalia.

Background technology

Volume is little because having for light emitting diode (LED), low power consumption, luminous efficiency are good and long service lifeEtc. characteristic and widely used. LED bulb 1 is as shown in Figure 1 to establish at lamp socket 2 end facesPut an aluminium base (MetalCorePCB, MCPCB) 3, on this aluminium base 3, there are multiple LED4,Again with a lampshade 5 in conjunction with this lamp socket 2 and protect described LED4. Really aforementioned LED bulb 1 byGradually replace conventional bulb, improve part precisely because structure still has not attain, that is:

1. be subject to the restriction of lampshade 5 external diameters, make aluminium base 3 areas little, relatively cause multiple LED4 concentrated settings too, and concentrate because heating forms thermal source, then there is the luminous efficiency of reduction and reduce useThe anxiety in life-span. Especially under extremely bright environment, because used LED bulb 1 lumen number is large,More easily make LED4 hot and accelerate harm service life.

2., although lamp socket 2 is for having the aluminium die-casting body of great heat radiation effect, its top is only with lessAmass and contact with aluminium base 3, and its heat-delivery surface 2a is far away apart from aluminium base 3, comprehensive aforementioned factor,Hot conductive performance is reduced and cause poor heat radiation; Secondly, aluminium die-casting body high cost, is unprofitable to LEDThe popularization of bulb 1.

3. be limited by lamp socket 2 for aluminium die-casting body, the light that LED4 is produced only can be from semicircle lampCover 5 penetrates, and in other words, the light angle of this LED bulb 1 is difficult to produce wide-angle illumination effect.

Summary of the invention

In view of this, main purpose of the present invention is to provide a kind of ligthing paraphernalia, is to utilize injection coldBut liquid and produce good radiating effect.

Secondary objective of the present invention is to provide a kind of ligthing paraphernalia, is to have wide-angle illumination effect.

Edge to be to reach above-mentioned purpose, and ligthing paraphernalia provided by the present invention includes a lamp body, luminousDevice, a waterproof membrane and a cooling fluid. Wherein, this lamp body inside has the accommodation space of a sealing,This lamp body has at least one metal fin, and this metal fin has at least one tank; This luminous dressInstall the tank that is placed in this metal fin, and there is at least one substrate and at least one light-emitting diodesPipe, this substrate one side has a conducting wire, and another side contacts this tank bottom surface, this light emitting diodeBe arranged on this substrate, and be electrically connected with this conducting wire; This waterproof membrane is not have electric conductivityGlue is inserted in this tank, and covers the conducting wire of this substrate, and forms through solidifying; This cooling fluid noteEnter in the accommodation space of this lamp body.

Thus, utilize the convection effects of cooling fluid, take away fast with the heat energy that light emitting diode is produced,Can extend further the service life of ligthing paraphernalia.

Brief description of the drawings

For being illustrated more clearly in the present invention, below enumerating preferred embodiment and coordinate accompanying drawing to describe in detailAs rear, wherein:

Fig. 1 is the stereogram of known LED bulb;

Fig. 2 is the stereogram of the ligthing paraphernalia of a preferred embodiment of the present invention;

Fig. 3 is a cutaway view, the light-emitting device structure of the ligthing paraphernalia of key diagram 2;

Fig. 4 is Fig. 3 roughly the same, illustrates that waterproof membrane covers the exiting surface of the light emitting diode of light-emitting device;

Fig. 5 is Fig. 3 roughly the same, and the tank that ligthing paraphernalia is described is by the enclosure wall of projection and conducting strip surface structureBecome;

Fig. 6 is the stereogram of the ligthing paraphernalia of the another preferred embodiment of the present invention; And

Fig. 7 is the lamp body structure of the ligthing paraphernalia of Fig. 6.

Detailed description of the invention

Shown in please refer to the drawing 2, be the ligthing paraphernalia 100 of a preferred embodiment of the present invention, this ligthing paraphernalia100 composition includes a lamp body 10, a light-emitting device 20, a waterproof membrane 30 and a cooling fluid 40.Wherein:

This lamp body 10 includes a lampshade 12, an insulating lamp holder 14, a metal fin 16 andConductive contact 18. Wherein, this lampshade 12 is made transparent semicircle for plastic material (as acryl)Housing, and after affixed with this insulating lamp holder 14, make the accommodating of inner formation one sealing of this lamp body 10Space 10a; These insulating lamp holder 14 tops set firmly this metal fin 16, please coordinate shown in Fig. 3,This metal fin 16 has a tank 16a who is recessed to form from surface; This conductive contact 18 connects to be establishedIn these insulating lamp holder 14 bottoms, in order to supply to be electrically connected to a power supply (not shown).

This light-emitting device 20 is arranged in the tank 16a of this metal fin 16, this light-emitting device 20Include a substrate 22 and multiple light emitting diodes (LED) 24. Wherein:

This substrate 22 is taking aluminium base (MetalCorePCB, MCPCB) as example in the present embodiment,Be that its composition includes a conducting wire 22a, an insulating trip 22b and a conducting strip 22c. This conductionCircuit 22a is arranged at a side surface of this insulating trip 22b, and this conducting strip 22c is incorporated into this insulating tripThe opposite side surface of 22b, and this conducting strip 22c is fixed on this by the mode of scolding tin or heat-conducting glueThe tank 16a bottom surface of metal fin 16, for obtaining preferably thermal conduction effect, this conducting strip 22cBe to select to make with aluminium sheet, but not as limit, for example copper coin also can.

Described light emitting diode 24 is arranged on this substrate 22, and electrically connects with this conducting wire 22aConnect; This conducting wire 22a receives internal electric source circuit by having the wire 26 of waterproof crust againOutput, this conductive contact 18 is received in the input of power circuit again, makes light emitting diode 24 and conductionBetween joint 18, electrically conduct each other. Each light emitting diode 24 has an exiting surface 24a.

This waterproof membrane 30 is that the glue without electric conductivity fills in this tank 16a and through solidifyingBecome, this waterproof membrane 30 covers this conducting wire 22a completely, and all being exposed to outward has and can leadThe part (for example connecting portion of wire 26 and conducting wire 22a) of electricity.

This cooling fluid 40 is to flow into this lamp body as an example of the pure water of deionized water example in the present embodimentIn 10 sealing accommodation space 10a. Because the conductive part of this light-emitting device 20 has been this waterproofFilm 30 covers completely, therefore can not contact and damage with this cooling fluid 40, can guarantee that respectively this is luminousDiode 24 successfully produces light.

Above-mentioned ligthing paraphernalia 100 is under these light-emitting device 20 process bases of good water-proofing treatment,Be installed in cooling fluid 40 in these lamp body 10 inside again, and in luminous simultaneously of described light emitting diode 24When heat, heat energy conducts to large-area metal fin 16 fast, then by cooling fluid 40 conduct heatConductive medium and heat energy is taken away, and because cooling fluid 40 has convection effects, can impel to be taken awayHeat energy is scattered in water equably, adds that this lampshade 12 is to make with plastic material, because of plastics forRadiation of heat conduction of velocity is better than metal, therefore more can be rapidly will be scattered in outside heat energy in water is disseminated toIn boundary's air, to reach the object of quick heat radiating. Aforementioned structure is particularly useful for high power illumination utensilHeat radiation use, example multiple light emitting diodes 24 are gone here and there also according to wattage demand as shown in Figure 2The high power illumination utensil 100 that connection forms is.

Above-mentioned metal fin 16 arranges the object of tank 16a, has conveniently to insert this and do not have and leadElectrical glue, to take precautions against effusion, and guarantees that glue can really cover all being exposed to outward and have and can conduct electricityPart (comprising conducting wire 22a). In addition, though above-mentioned lampshade 12 is made for example with plastic material,But can select to make with the composite of plastics hybrid metal grain depending on demand. Again, due to this luminaireThe heat radiation of tool 100 is mainly this metal fin 16 and coordinates cooling fluid 40 and plastic lamp shade 12 to reachBecome, therefore its insulating lamp holder 14 is selected to make with plastic material, without the high aluminium of use costDie-casting body, and can incorporate the effect of low cost expenditure.

The waterproof membrane 30 of the ligthing paraphernalia 100 in above-described embodiment does not cover each light emitting diode 24Exiting surface 24a. But, not affecting under the prerequisite of luminous efficiency, this waterproof membrane 30 also can be as figureThe exiting surface 24a that suitably covered each light emitting diode 24 shown in 4, that is cover in film modeCover each exiting surface 24a, so can reduce each light emitting diode 24 and be subject to the impact of moisture.

Below please join again the ligthing paraphernalia 200 of another preferred embodiment of the present invention shown in Fig. 5, its toolHave most assemblies of the ligthing paraphernalia 100 of identical above-described embodiment, only different, the present embodiment shinesThe tank of funerary objects tool 200 is not recessed to form from metal fin surface, and counter is in metal fin 50Surface there is the enclosure wall 52 of a projection, utilize these enclosure wall 52 inwalls with circle around metal fin 50Surface jointly define the tank 54 of this ligthing paraphernalia 200. Similarly, the base of ligthing paraphernalia 200Plate 56 is located in this tank 54 with multiple light emitting diodes 58 1. The present embodiment ligthing paraphernalia 200Tank 54 effect identical with the tank 16a effect of above-described embodiment ligthing paraphernalia 100, be all forConvenience coating do not there is the glue of electric conductivity, and waterproof membrane to be solidify to form 60 is to cover exposure completelyCan conductive structure in outer. Certainly the covering that, this waterproof membrane 60 also can be as shown in Figure 4 each luminousThe exiting surface 58a of diode 58.

In above-mentioned, the enclosure wall 52 of this ligthing paraphernalia 200 is to become with these metal fin 50 oneThe mode of type makes. If desired, enclosure wall 52 also can select the more easy plastic material of production process solidForm due to these metal fin 50 surfaces.

Please join again the ligthing paraphernalia 300 of the another preferred embodiment of the present invention shown in Fig. 6 and Fig. 7, shouldLigthing paraphernalia 300 is using cooling fluid 40 as heat transfer medium equally, and using waterproof membrane 30 as coldBut liquid 40 and light-emitting device can conductive structure isolation. And be different from the various embodiments described above:

The lamp body 70 of this ligthing paraphernalia 300 not only includes a lampshade 72 and an insulating lamp holder 74, itsIn this lampshade 72 formed by a ball 72a and an extension 72b especially, and this lampshade 72There is a thread segment 72c in the inwall of extension 72b. This insulating lamp holder 74 has an installed surface 74aWith a nipple 74b, this nipple 74b is combined with this thread segment 72c, makes this lamp body 70The inner accommodation space 70a that forms sealing, this cooling fluid 40 is to flow into this accommodation space 70aIn. Again, metal fin 76 quantity of this lamp body 70 are multiple, and described metal fin 76 isUpright and and to be fixed in the installed surface 74a of this insulating lamp holder 74 upper adjacently, each metal fin 76 edgeApproach this ball 72a inner edge, and each metal fin 76 respectively has the tank of a thin-and-long76a。

The light-emitting device 80 of this ligthing paraphernalia 300 includes multi-piece substrate 82 and multiple light emitting diodes84. Wherein, respectively this substrate 82 also adopts aluminium base (MCPCB), and is fixedly arranged on severally a corresponding goldBelong in the tank 76a of fin 76. Described light emitting diode 84 is laid in the mode of multiple a groupOn each substrate 82. Due to substrate 82 and the structure above-mentioned reality identical with function of light emitting diode 84Execute example, do not repeat in this appearance. Because described metal fin 76 designs in the form of a ring, and described luminousDiode 84 is to lay from top to bottom, is coordinating the ball 72a of this lampshade 72, described in makingThe light that light emitting diode 84 produces can penetrate from this ball 72a more in the clear. Change speechIt, this ligthing paraphernalia 300 not only possesses good radiating effect, has more wide-angle illumination effect.

In the embodiment of above-mentioned each ligthing paraphernalia, the substrate of its light-emitting device is with aluminium base (MCPCB)For example, so should be noted that, the substrate of light-emitting device also can select to have equally good insulation effect andGood heat conductive is the ceramic thick film substrate (thickfilmceramicsubstrate) of number, Qi ZhongyouTaking DBC (DirectBondedCopper) composite base plate as good. The surface of aforementioned ceramic thick film substratePossessing equally conductive line light emitting diode is electrically connected.

Finally explanation, the technical characterictic of ligthing paraphernalia of the present invention is except being applied to above-mentioned bulb structureOutside, also can be applicable to include but not limited to the photographs such as street lamp, down lamp, projecting lamp, car light and flashlightFunerary objects tool.

The foregoing is only the multiple better possible embodiments of the present invention, every application the present invention explanationThe equivalence that book and claim are done changes, and ought to be included in claim scope of the present inventionIn.

Claims

1. a ligthing paraphernalia, includes:

One lamp body, inside has the accommodation space of a sealing, and this lamp body has at least one metal fin,This metal fin has at least one tank;

One light-emitting device, is arranged in the tank of this metal fin, and this light-emitting device has at least oneSubstrate and at least one light emitting diode, this substrate one side has a conducting wire, and another side contacts this appearanceGroove bottom, this light emitting diode is arranged on this substrate, and is electrically connected with this conducting wire;

One waterproof membrane, inserts in this tank for not having the glue of electric conductivity, and covers this conducting wire,And form through solidifying; And

One cooling fluid, flows in the accommodation space of this lamp body;

Wherein this lamp body includes a lampshade and an insulating lamp holder, and this lampshade is combined with this insulating lamp holder,Make inner this accommodation space that forms of this lamp body, this metal fin is arranged on this insulating lamp holder;

Wherein this lampshade has a ball and an extension, and this extension inwall is provided with a screw threadSection; This insulating lamp holder has a nipple and is combined with the thread segment of this extension;

Wherein this metal fin, this substrate and this light emitting diode are respectively multiple, each metal finBe fixed on this insulating lamp holder according to the demand of lighting angle, and metal fin apical margin approaches this sphericalBody inner edge, arranges this substrate in the tank of each metal fin, the surface of each substrate is provided withMultiple light emitting diodes.

2. ligthing paraphernalia as claimed in claim 1, wherein this tank is recessed from the surface of metal finFall into and form.

3. ligthing paraphernalia as claimed in claim 1, includes an enclosure wall, and this enclosure wall is loose from this metalThe protrusion of surface of backing forms, and this enclosure wall inwall defines around the surface of metal fin jointly with circleGo out this tank.

4. ligthing paraphernalia as claimed in claim 3, wherein this enclosure wall and this metal fin are oneMoulding.

5. ligthing paraphernalia as claimed in claim 3, wherein this enclosure wall is that plastic material is fixed on this goldBelong to fin surface and form.

6. ligthing paraphernalia as claimed in claim 1, wherein this lampshade is that plastic material is made.

7. ligthing paraphernalia as claimed in claim 1, wherein this lampshade is answering of plastics hybrid metal grainCondensation material is made.

8. ligthing paraphernalia as claimed in claim 1, wherein this insulating lamp holder is that plastic material is made.

9. ligthing paraphernalia as claimed in claim 1, wherein the substrate of this light-emitting device includes one exhaustedEmbolium and a conducting strip, a surface of this insulating trip is provided with this conducting wire, another surface and this heat conductionSheet combination, the another side of this conducting strip contacts this tank bottom surface.

10. ligthing paraphernalia as claimed in claim 1, wherein the substrate of this light-emitting device is that pottery is thickFilm substrate.

11. ligthing paraphernalias as claimed in claim 1, wherein this light emitting diode has an exiting surface,This waterproof membrane covered the exiting surface of this light emitting diode.