CN103075718A - Manufacturing method of lamp housing type radiator, lamp housing type radiator, and LED (Light-emitting Diode) lighting device - Google Patents
Manufacturing method of lamp housing type radiator, lamp housing type radiator, and LED (Light-emitting Diode) lighting device Download PDFInfo
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- CN103075718A CN103075718A CN2011103296403A CN201110329640A CN103075718A CN 103075718 A CN103075718 A CN 103075718A CN 2011103296403 A CN2011103296403 A CN 2011103296403A CN 201110329640 A CN201110329640 A CN 201110329640A CN 103075718 A CN103075718 A CN 103075718A
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Abstract
The invention relates to a lamp housing type radiator in a lighting device. The lamp housing type radiator is integrally manufactured after a high-purity aluminum plate which has the thickness being 1mm-3mm and contains more than 99 percent of aluminum is deeply drawn, is a hollow part, and is formed by a radiating face and a housing body; a face contact structure is formed between the radiating face and a circuit board; and radiating through holes capable of forming a radiating channel are formed in the housing body. The lamp housing type radiator in an LED (Light-emitting Diode) lighting device is integrally manufactured after the high-purity aluminum plate which has the thickness being 1mm-3mm and contains more than 99 percent of aluminum is deeply drawn, so that the lamp housing type radiator can achieve the same or even better radiating effect compared with die-casting aluminum through adopting 1/3-1/5 of materials of a die-casting aluminum housing, and meanwhile, the cost is only 1/2-1/3 of that of the die-casting aluminum housing. The deeply drawn aluminum plate uses fewer materials, and meanwhile, the cost is also reduced.
Description
Technical field
The present invention relates to lighting field, relate in particular to preparation method, lamp housing formula radiator and the LED lighting device of lamp housing formula radiator in a kind of LED lighting device.
Background technology
The light efficiency of traditional incandescent lamp only is about 10 lm/W, and the light efficiency of Halogen lamp LED is about 30 lm/W, and most electric energy all change into dissipation of heat and fall, thereby has wasted a large amount of electric energy.LED is a kind of novel semiconductor lighting technology, and the light efficiency of LED electroluminescent lamp pearl has generally reached more than the 120lm/W in the market, if arrange in pairs or groups outstanding power supply and rational structural design, the light efficiency of LED light fixture can reach more than the 90lm/W.Like this, a 7W can replace the conventional incandescent of 60W to the LED lamp of 9W, thereby save a large amount of electric energy.
Common LED bulb lamp, LED shot-light, LED PAR lamp etc. generally are made of die casting aluminium radiator, hemispheric diffuser or lens module, the circuit board that is welded with LED electroluminescent lamp pearl, LED driving power, lamp holder etc. in the market.Wherein circuit board is fixed on the die casting aluminium radiator and goes up face shield and diffuser or lens module, and the die casting aluminium radiator has a cavity, and the LED driving power is equipped with in the inside.
A kind of LED ball bubble radiator and LED bulb lamp are disclosed in 201120220556.9.LED bulb lamp radiator comprises the installation heat transfer part that is positioned at end face, the radiating part of side and the installation location division of lower end, radiating part comprises longitudinally heat sink strip of complex root, the upper end of heat sink strip is connected with the installation heat transfer part, and the lower end consists of installs the location division, is reserved with the gap between the adjacent heat sink strip.Although have certain thermal diffusivity,, whole radiator is not made into integration, and cost compare is high.
Be to disclose a kind of bulb lamp among the 201020666630.X at application number, comprise diffuser and be connected the lamp holder that is connected with power supply, also comprise the heat abstractor that is arranged between lamp holder and the diffuser, be provided with the cavity that passes through for the air turnover in the middle of the heat abstractor, the heat abstractor two ends are provided with the space for the air turnover, the maximum characteristics of this patent are that heat abstractor is provided with air-flow cavity and turnover gas space, walks the heat of heat sink interior and accelerates radiating rate for air turnover fluxion strap.
Disclose a kind of LED bulb lamp heat radiator in 201120086659.5, this radiator structure that is formed in one has body and cooling platform, and this body is hollow structure, has a plurality of thermal convection holes.This heat sink applications is in energy-saving LED bulb lamp class, and body is the important component part of whole bulb lamp outward appearance, also is the LED radiator simultaneously.Material adopts the aluminium of high thermal conductivity, passive free convection wind heat dissipation design simultaneously, allow whole lamp heat radiation more at a high speed.The radiator of this patent disclosure has very strong thermal diffusivity, and still, this radiator is that die casting aluminium is made, and this production method is wasted material very much, and weight ratio is heavier, and cost is higher.The thermal conductivity of die casting aluminium is about 88%, and thermal diffusivity is not good.The most important thing is that it comprises inner and outer wall, a plurality of holes formation passages that arrange on the heat radiation strip hole that outer wall is laid along radial parallel and the cooling platform dispel the heat away the heat on the circuit board in theory.But because circuit board is to be fitted on the cooling platform, the heat of circuit board can conduct to first the space of inwall formation by the die casting aluminium of cooling platform, comes out heat with the power supply that is positioned at inner wall space and forms mutual baking, and namely influences each other.
In sum, there is following shortcoming in existing LED lighting device:
At first, the cost of lamp housing is higher, often accounts for more than 30% of whole LED bulb lamp cost.No matter existing lamp housing is the lamp housing that adopts traditional die casting aluminium lamp housing still to adopt the aluminium of aforementioned high thermal conductivity to make, cost is all higher, in addition, no matter be traditional die casting aluminium lamp housing or adopting aforementioned section bar aluminium is to adopt conventional material thickness to make, weight is heavier, and the weight of lamp housing has directly determined the weight of whole LED bulb lamp, causes thus the weight decline difficulty of whole LED bulb lamp large.
Secondly, the power supply of lamp often is enclosed in the plastic housing, and plastic housing is enclosed in again in the cavity of aluminium lamp housing, and the heat of circuit board conducts in the cavity of aluminium lamp housing, this heat that can cause power supply and lamp source heat-dissipating to send influences each other, cause the power supply internal temperature very high, damage easily, reach more than 80 degree through observed temperature.
At last, shell comprises inner and outer wall, and whole making is complicated, and the weight ratio of whole radiator is heavier, cost is higher.
And, the housing manufacturing process of existing LED lighting device, this process is made complicated.
Summary of the invention
The object of the present invention is to provide the preparation method of lamp housing formula radiator in a kind of LED lighting device, to solve the existing technical problem that LED lighting device weight is heavier, thermal diffusivity is not good, cost is high.
The second purpose of the present invention is to provide the radiator of the lamp housing formula in a kind of LED lighting device, to solve the existing technical problem that LED lighting device weight is heavier, thermal diffusivity is not good, cost is high.
The 3rd purpose of the present invention is to provide a kind of LED lighting device, to solve the existing technical problem that LED lighting device weight is heavier, thermal diffusivity is not good, cost is high.
The preparation method of lamp housing formula radiator in a kind of LED lighting device may further comprise the steps:
(1) blanking: by in advance the design size get thickness at 1mm to 3mm, contain the raffinal sheet material of aluminium more than 99%, this sheet material of stamping-out becomes the required outline of shell;
(2) pull and stretch: Sheet drawing is configured as an open hollow blank;
(3) reducing: the blank behind the pull and stretch is put into the reducing die, carry out opening is shortened into the processing of default lamp housing formula radiator radian.
Preferably, between step (1) and step (2), also comprise: punch forming: stamp out one at the middle part of sheet material for the depressed area that contacts with the circuit board face, form the binding face that can fit tightly the led circuit plate in the depressed area.
Step (1) further comprises: whole piece aluminium sheet stamping-out is gone out a heronsbill shape, and go out several circuit board fixing holes and some cable holes at plank.Step (3) further comprises: the reducing blank behind the pull and stretch is put into the reducing die, and the sidewall of die is consistent with the shape of pre-designed lamp housing formula radiator outer wall; Push rod presses down blank from top to bottom, when housing bottom and reducing die bottom contacts then reducing finish.
The method also comprises: (4) are carried out oxidation, are sprayed paint, electroplate at least one of them post-processed and surface treatment blank.
And, select the different thickness of raffinal sheet material according to the model size of LED lighting device, the LED lighting device is larger, and the thickness of high-purity aluminium sheet is thicker.
Lamp housing formula radiator in a kind of lighting device, to be made into integration at 1mm to 3mm, after containing the raffinal Sheet drawing of aluminium more than 99% by thickness, be hollow bulb, it is comprised of radiating surface and outer cover body, form surface contact structure between radiating surface and the circuit board, the heat radiation through hole that can form heat dissipation channel is set on the outer cover body.
Preferably, the heat radiation strip hole of the heat radiation through hole that arranges on the outer cover body for laying along the outer shell outer wall radial parallel.Outer cover body is a frustum by shrinking gradually to the other end with this end of circuit board joint face.
A kind of LED lighting device is characterized in that, comprising: optical mirror slip, lamp housing formula radiator, circuit board, LED drive unit, wherein,
Lamp housing formula radiator is to be made into integration at 1mm to 3mm, after containing the raffinal Sheet drawing of aluminium more than 99% by thickness, it is hollow bulb, it is comprised of described lamp housing formula radiator radiating surface and outer cover body, form surface contact structure between radiating surface and the circuit board, the heat radiation through hole that can form heat dissipation channel is set on the outer cover body;
Optical mirror slip is arranged on the front end of lamp housing formula radiator, and the LED drive unit is arranged in the lamp housing formula radiator or its rear end is set.
Preferably, heat dissipation channel one: heat conducts to radiating surface by circuit board and heat radiation behind the plane-plane contact, dispels the heat away by the heat radiation through hole from radiating surface again; Heat dissipation channel two: heat distributes from the LED drive unit, dispels the heat away by the heat radiation through hole again; Heat dissipation channel one and heat dissipation channel two are independent of one another.
In heat dissipation channel one, thereby heat mainly is surface by housing and air to carry out thermal convection current dissipation of heat is gone out, and can smooth and easy convection current strengthen radiating effect thereby the existence of heat radiation through hole can guarantee air.And in heat dissipation channel two, thereby heat is transmitted to by high-heat-conductivity glue water from the LED drive unit and carries out thermal convection current by power supply shell surface and air again behind the power supply shell surface dissipation of heat is gone out, thereby the existence of heat radiation through hole can guarantee that air can smooth and easy convection current enhancing radiating effect.Passage one and passage two can both conduct heat to air swimmingly and not accumulate in lamp interior, and radiating effect is outstanding, and these two heat dissipation channels independently are independent of each other.The even light optical mirror slip of described optical mirror slip employing or secondary light-distribution optical mirror slip can be screwed or glue is bonded on the lamp housing formula radiator.
The preparation method of lamp housing formula radiator in the second LED lighting device may further comprise the steps:
(1) blanking, by in advance the design size get thickness at 1mm to 3mm, contain the raffinal sheet material of aluminium more than 99%, this sheet material of stamping-out becomes the required outline of shell;
(2) spinning for the first time becomes an open hollow part with raffinal sheet material spinning, and the size of the openend of the blank behind the spinning is more than or equal to the size of closed end;
(3) spinning for the second time adopts a kind of comparatively spinning process to process to the blank through above step process, its opening part diameter is diminished, and opening is spun into the radian of design.
Between step (1) and step (2), also comprise: punch forming: stamp out one at the middle part of sheet material for the depressed area that contacts with the circuit board face, form the binding face that can fit tightly the led circuit plate in the depressed area.
Compared with prior art, the present invention has following beneficial effect:
At first, the preparation method of lamp housing formula radiator is to adopt by thickness to be made into integration at 1mm to 3mm, after containing the raffinal Sheet drawing of aluminium more than 99% in the LED lighting device, so lamp housing formula radiator of the present invention only need adopt the material of die casting aluminium housing 1/3 to 1/5 just can reach the radiating effect the same even more outstanding with die casting aluminium, cost only is 1/2 to 1/3 of die casting aluminium housing simultaneously.Contain aluminium its thermal diffusivity of raffinal sheet material more than 99% up to more than 230, greatly strengthen than the thermal diffusivity of die casting aluminium and section bar aluminium, and the weight of the lighting device of making of this housing is less than half of the lamp of making of die cast.And the material that aluminium plate uses is also few, has also reduced cost simultaneously.Therefore, LED illuminating product cheaper of the present invention, quality is lighter, is fit to use in various occasions, namely is applicable to the various types of lighting devices of various models.
Then, the face way of contact by a whole plane close contact between circuit board and the lamp housing formula radiator contacts, and the heat that circuit board produces can be dispersed into rapidly in the air by the high-purity aluminum hull of high thermal conductivity, and radiating effect is outstanding.
Subsequently, two thermals source of LED electroluminescent lamp pearl and LED drive unit separately can not produce the heat localization phenomenon.That is, heat dissipation channel one: heat conducts to radiating surface by circuit board and heat radiation behind the plane-plane contact, dispels the heat away by the heat radiation through hole from radiating surface again; Heat dissipation channel two: heat distributes from the LED drive unit, dispels the heat away by the heat radiation through hole again; Heat dissipation channel one and heat dissipation channel two are independent of one another, do not have the problem of the heat radiation that influences each other.
At last, the light efficiency of LED electroluminescent lamp pearl is high, reach more than the 100lm/W, and power supply conversion efficiency is very up to more than 90%, than ordinary incandescent lamp saves energy greatly, only needs 7 to 9W, just can reach the brightness of the above incandescent lamp of traditional 50W.
Description of drawings
Fig. 1 is a kind of LED illuminating product explosive view;
Fig. 2 is lamp housing formula heat spreader structures schematic diagram;
Fig. 3 A is the schematic diagram of the blank behind the blanking; Fig. 3 B is the schematic diagram of the blank after stamping; Fig. 3 C is the schematic diagram of the blank behind the pull and stretch; Fig. 3 D is the deep-drawing technique schematic diagram, and Fig. 3 E is the necking down process schematic diagram;
Fig. 4 A is the schematic diagram of the blank behind the blanking; Fig. 4 B is the schematic diagram of the blank after stamping; Fig. 4 C is the spinning process schematic diagram first time; Fig. 4 D is the spinning process schematic diagram second time;
Fig. 5 is LED bulb lamp schematic diagram;
Fig. 6 is LED PAR lamp explosive view;
Fig. 7 is LED PAR lamp schematic diagram;
Fig. 8 is the MR16 schematic diagram of a LED;
Fig. 9 is the MR16 explosive view of a LED.
The specific embodiment
Describe the present invention in detail below in conjunction with accompanying drawing.
See also Fig. 1, a kind of LED illuminating product comprises optical mirror slip 1, lamp housing formula radiator 2, circuit board 3, LED drive unit 4, power supply shell 5, lamp holder 6.
The high material of optical mirror slip 1 preferred light transmitance is made, such as PC, PMMA, glass, lucite etc.Its effect is according to unusual two kinds of secondary light-distribution, the even light that are divided into of light fixture kind.The secondary light-distribution optical mirror slip plays the effect of redistributing to the light that the LED light emitting module of LED electroluminescent lamp pearl or integration packaging sends, and makes the hot spot of receiving plane become the shape that circular light spot, rectangular light spot etc. need arbitrarily.One or more than one luminous intensity distribution unit are arranged on the secondary light-distribution optical mirror slip.Even light optical mirror slip plays the effect of evenly dispersing to the light that LED electroluminescent lamp pearl sends, and generally the surface of even light optical mirror slip is carried out coarse processing or adds even stimulative substance in the lens materials the inside.Optical mirror slip 1 can be screwed or glue is bonded on the lamp housing formula radiator 2.
Lamp housing formula radiator 2 by whole piece thickness 1mm to the 3mm, contain the high-purity aluminium sheet manufacturing of aluminium more than 99% and form.Tradition LED bulb lamp or LED PAR lamp adopt die casting aluminium lamp housing formula radiator mostly, and the thermal conductivity factor of die casting aluminium only is about 95W/mK.The present invention has proposed to adopt high-purity aluminium sheet pull and stretch to make the technology of LED lamp shell formula radiator with innovating.The thermal conductivity factor of raffinal is about about 237W/mK, 2.5 times of common die casting aluminium, so lamp housing formula radiator of the present invention only need adopt the material of die casting aluminium housing 1/3 to 1/5 just can reach the radiating effect the same even more outstanding with die casting aluminium, cost only is 1/2 to 1/3 of die casting aluminium housing simultaneously.The bulb lamp weight of making of this housing is less than half of the lamp of making of die cast.
Such as, light trade is commonly used 1050,1060,1,070 three kinds of high-purity aluminium sheets.The thermal conductivity factor of fine aluminium is 237 W/m.K, and the aluminum content of 1050 aluminium sheets is 99.5%, and thermal conductivity factor is 209W/m.K, and the aluminum content of 1060 aluminium sheets is 99.6%, and thermal conductivity factor should be between 1050 aluminium sheets and 1070 aluminium sheets.The aluminum content of 1070 aluminium sheets is 99.7%, thermal conductivity factor 226 W/m.K.The thermal conductivity factor of this high-purity aluminium sheet will be higher than the thermal conductivity factor of the about 209W/m.K of section bar aluminium far away, more is higher than the thermal conductivity factor about die casting aluminium 95 W/m.K, and therefore radiator of the present invention has splendid radiating effect.
Traditional die casting aluminium LED bulb lamp or PAR lamp, circuit board often go out often only has the fraction area to contact with lamp housing formula radiator 2, and this causes heat successfully not conduct to lamp housing formula radiator 2 from circuit board 3.It is comprised of lamp housing formula radiator of the present invention 2 radiating surface 21 and outer cover body 22, forms surface contact structure between radiating surface 21 and the circuit board 3, and the heat radiation through hole that can form heat dissipation channel is set on the outer cover body 22.The heat radiation through hole that arranges on the outer cover body 22 is the heat radiation strip hole 23 of laying along the outer shell outer wall radial parallel, and in addition, outer cover body 22 is shunk to the opposite end gradually by radiating surface 21 these ends, is a frustum.Radiating surface 21 is smooth one side, or goes out a burnishing surface to lower recess, is used for contacting with circuit board 3.Several circuit board fixing holes 25 and a cable hole 24 are set on the radiating surface 21.
Radiating surface 21 is smooth one side, or goes out a burnishing surface to lower recess, thereby this design can fit tightly with the bottom of smooth circuit board 3, can apply high thermal conductive silicon fat between circuit board 3 and the lamp housing formula radiator 2 and also can not apply.The heat of circuit board 3 passes to rapidly on the lamp housing formula radiator 2, plays good radiating effect.Excised the part material around on the outer cover body 22 of lamp housing formula radiator 2, obtained the housing of a hollow out, heat radiation strip hole 23 namely has been set.The heat of lamp housing formula radiator 2 can be at unobstructed thermal cycle passage of the inside and outside formation of lamp housing formula radiator of hollow out like this.Lamp housing formula radiator 2 is formed by a larger metallic plate drawing and forming of surface area, circuit board 3 is fixed on can takes full advantage of the larger surface of housing on the lamp housing formula radiator 2 and effectively dispel the heat, the heat that LED is produced is transmitted to rapidly on the lamp housing formula radiator 2 from circuit board 3 and then is transmitted to the air.
Circuit board 3 is the light emitting modules that the bottom is smooth, and the circuit board stationary plane of its shiny surface and lamp housing formula radiator 2 fits tightly, and the joint place of two faces can apply the high thermal conductivity silicone grease, also can not be coated with.It can be the PCBA plate that forms on the circuit board 3 welding LED of heat conductivility excellence electroluminescent lamp pearls, also can be the LED light emitting module of a monoblock integration packaging.The high material of circuit board 3 preferred thermal conductivitys has been avoided near the accumulation of heat led chip thereby the heat that led chip produces can be transmitted to rapidly on the circuit board 3.Circuit board closely contacts with the larger housing of surface area again, heat promptly can be dispersed in the air.Heat has formed smooth and easy, an efficient conduction pathway from lamp pearl inside to air.
Below specifically introduce the concrete manufacturing process of the first lamp housing formula radiator:
The process of lamp housing formula radiator (2) mainly is divided into following a few step:
1. blanking (as shown in Figure 3A).Utilize stamping-out, sheet material is excised unwanted part, obtain required outline.As shown in Figure 3A, whole piece aluminium sheet stamping-out is gone out a heronsbill shape, and go out several circuit board fixing holes and a cable hole at plank.Also have, select the different thickness of raffinal sheet material according to the model size of LED lighting device, the LED lighting device is larger, and the thickness of high-purity aluminium sheet is thicker.Thickness increases, and its sectional area increases, and the biography speed of heat also increases, so that radiating effect is higher.Perhaps, the LED lighting device requires higher to thermal diffusivity, and the thickness of employing is also thicker.
2. stamping (shown in Fig. 3 B).The part of the upper fixing circuit board of lamp housing formula radiator (2) and fixed optics eyeglass is a depressed area, needs to extrude the shape that needs with a punch head.
3. pull and stretch (shown in Fig. 3 C).Be an open hollow part (such as Fig. 3 D) with the metallic plate drawing and forming.This moment, this blank was a cylindrical shape, and the diameter at its two is the same.Such as Fig. 3 D, die 31 is fixing, then will treat that pull and stretch blank 32 is fitted on the upper surface of pull and stretch punch 33, with pull and stretch punch 33 with treat that pull and stretch blank 32 heads in the die 31, blank namely is shaped to an equirotal straight-cylindrical part in two ends with push rod 34.Below only be a kind of implementation of drawing and forming, this mode be not limit to of the present invention.
4. reducing (shown in Fig. 3 E).The opening part of straight-cylindrical blank is carried out the reducing processing, its opening part diameter is diminished, and opening is shortened into the radian of pre-design.Such as Fig. 3 E, the reducing blank behind the pull and stretch is put into reducing die 42, the sidewall of die 42 just is the shape of lamp housing formula radiator 2 outer walls that design.Push rod 41 presses down blank from top to bottom.When housing bottom contacts with reducing die 42 bottoms then reducing finish.
5. post-production and surface treatment.After reducing is finished, to blank carry out oxidation, spray paint, the surface treatment such as plating, can not process yet.
Below introduce the concrete manufacturing process of the second lamp housing formula radiator:
Below this method step 3,4,5th, key step, the order can not change.
The process of lamp housing formula radiator mainly is divided into following a few step:
1. blanking (shown in Fig. 4 A).Utilize stamping-out, sheet material is excised unwanted part, obtain required outline.Shown in Fig. 4 A, go out several circuit board fixing holes and a cable hole at plank.
2. stamping (shown in Fig. 4 B).The part of fixing circuit board and fixed optics eyeglass is a depressed area on the lamp housing 2, needs to extrude the shape that needs with a punch head.
3. spinning (shown in Fig. 4 C) for the first time.Metallic plate spinning is become an open hollow part.The size of the openend of the blank behind the spinning is more than or equal to the size of closed end.Such as Fig. 4 C, treat that the ground of spinning blank 51 and the end face of spinning block 52 fit tightly together, and together around A axle High Rotation Speed.Then withstand with push rod 53 and treat that spinning blank 51 makes and treat that spinning blank 51 and spinning block 52 all fit tightly together.Treat that the spinning blank just has been made into the open hollow part.
4. spinning (shown in Fig. 4 D) for the second time.Adopt a kind of comparatively special spinning process to process to the blank through above step process, its opening part diameter is diminished, and opening is spun into the radian of pre-design.Such as Fig. 4 D, the side radian of eccentric spinning block 63 just in time is the radian of needed raffinal housing side.Blank 62 is done rotation around axle P, and eccentric spinning block 63 is also revolving round the sun around axle P when doing rotation around axle Q.Then the sidewall of push rod 61 blanks fits tightly the sidewall of blank 62 and the sidewall of eccentric spinning block 63.The taking-up product got final product after spinning was finished.Using this comparatively special spinning process is for product successfully being taken off from mould.
5. stamping-out.Process carrying out stamping-out through the side of the blank of above step process, remove and want the part removed, obtain the raffinal housing of hollow out.
6. post-production and surface treatment.At last, to blank carry out oxidation, spray paint, the surface treatment such as plating, can not process yet.
Application examples:
Application examples 1:
Such as Fig. 5, it is depicted as a LED bulb lamp schematic diagram.This LED bulb lamp is the bulb lamp that 220v exchanges input, E27 screw socket, can be used for replacing traditional 220V input incandescent lamp.The input line that at first 220V is exchanged the LED driver module of input, direct current output is passed power supply shell 5, input line is welded on the both positive and negative polarity of E27 lamp holder.Then the E27 lamp holder is pressed on the power supply shell 5.LED driver module 4 is filled in the cavity of power supply shell 5, the good glue of perfusion thermal conductivity is placed a period of time and is waited for that the glue solidifies again.After the glue solidifies, the output line of LED driver module 4 is passed the cable hole of lamp housing formula radiator 2, then the stitch with lamp housing formula radiator 2 inserts in the corresponding hole, power supply shell 5 outsides, and fixes with glue.Again circuit board 3 is screwed on the metal shell, and the output line of LED driver module 4 is welded on the circuit board 3.At last hemispherical, optical mirror slip 1 usefulness glue with even light action are fixed on the lamp housing formula radiator 2.Assembling has just been finished.
This LED bulb lamp is 220V, and 50Hz family expenses alternating current is inputted, and has the E27 lamp holder of standard, can replace easily existing family expenses incandescent lamp.
Application examples 2
Be a LED PAR lamp schematic diagram as shown in Figure 6 and Figure 7.This LED PAR lamp is the PAR lamp that 220v exchanges input, E27 screw socket.The input line that at first 220V is exchanged the LED driver module of input, direct current output is passed power supply shell 5, input line is welded on the both positive and negative polarity of E27 lamp holder.Then the E27 lamp holder is pressed on the power supply shell 5.LED driver module 4 is filled in the cavity of power supply shell 5, the good glue of perfusion thermal conductivity is placed a period of time and is waited for that the glue solidifies again.After the glue solidifies, the output line of LED driver module 4 is passed the cable hole of metalized lamp shell-type radiator 2, then the stitch with lamp housing formula radiator 2 inserts in the corresponding hole, power supply shell 5 outsides, and fixes with glue.Again circuit board 3 is screwed on the metal shell, and the output line of LED driver module 4 is welded on the circuit board 3.At last the optical mirror slip 1 with optically focused effect is screwed on the lamp housing formula radiator 2.Assembling has just been finished.
This LED PAR lamp is 220V, and 50Hz family expenses alternating current is inputted, and has the E27 lamp holder of standard, can replace easily existing PAR lamp.
Application examples 3
One .MR16 embodiment
Such as Fig. 8 and Fig. 9, it is depicted as the MR16 schematic diagram of a LED.This LED MR16 is the input of 12V direct current, GU10 lamp holder, and power supply shell and lamp holder are injection molded into for one, can be used for replacing traditional 12V input MR16.Welded 3 LEDs electroluminescent lamp pearls on the circuit board of this MR16, three secondary light-distribution unit have been arranged on the optical mirror slip 1, the effect that the light that these three luminous intensity distribution unit send each LED electroluminescent lamp pearl plays to converge.At first the input line of LED driver module is passed power supply shell 5, input line is welded on the both positive and negative polarity of lamp holder.Then LED driver module 4 is filled in the cavity of power supply shell 5, the good glue of perfusion thermal conductivity is placed a period of time and is waited for that the glue solidifies.After the glue solidifies, the output line of LED driver module 4 is passed the cable hole of lamp housing 2, then the stitch with lamp housing 2 inserts in the corresponding hole, power supply shell 5 outsides, and fixes with glue.Again circuit board 3 is screwed on the metal shell, and the output line of LED driver module 4 is welded on the circuit board 3.At last the optical mirror slip 1 with optically focused effect is screwed on the lamp housing 2.Assembling has just been finished.
This LED MR16 is the input of 12V direct current, and has the GU10 lamp holder of standard, can replace easily the MR16 of traditional employing based on halogen bulb.
More than disclosed only be several specific embodiments of the application, but the application is not limited thereto, the changes that any person skilled in the art can think of all should drop in the application's the protection domain.
Claims (17)
1. the preparation method of lamp housing formula radiator in the LED lighting device is characterized in that, may further comprise the steps:
(1) blanking: by in advance the design size get thickness at 1mm to 3mm, contain the raffinal sheet material of aluminium more than 99%, this sheet material of stamping-out becomes the required outline of shell;
(2) pull and stretch: Sheet drawing is configured as an open hollow blank;
(3) reducing: the blank behind the pull and stretch is put into the reducing die, carry out opening is shortened into the processing of default lamp housing formula radiator radian.
2. the preparation method of lamp housing formula radiator in the LED lighting device as claimed in claim 1 is characterized in that, also comprises between step (1) and step (2):
Punch forming: stamp out one for the depressed area that contacts with the circuit board face at the middle part of sheet material, form the binding face that can fit tightly the led circuit plate in the depressed area.
3. the preparation method of lamp housing formula radiator in the LED lighting device as claimed in claim 1 or 2 is characterized in that step (1) further comprises:
Whole piece aluminium sheet stamping-out is gone out a heronsbill shape, and go out several circuit board fixing holes and some cable holes at plank.
4. the preparation method of lamp housing formula radiator in the LED lighting device as claimed in claim 1 or 2 is characterized in that step (3) further comprises:
Reducing blank behind the pull and stretch is put into the reducing die, and the sidewall of die is consistent with the shape of pre-designed lamp housing formula radiator outer wall;
Push rod presses down blank from top to bottom, when housing bottom and reducing die bottom contacts then reducing finish.
5. the preparation method of lamp housing formula radiator in the LED lighting device as claimed in claim 1 or 2 is characterized in that, also comprises:
(4) blank is carried out oxidation, sprays paint, electroplates at least one of them in interior post-processed and surface treatment.
6. the preparation method of lamp housing formula radiator in the LED lighting device as claimed in claim 1 or 2, it is characterized in that, model size according to the LED lighting device is selected the different thickness of raffinal sheet material, the LED lighting device is larger, perhaps the heating power of LED is larger, and the thickness of high-purity aluminium sheet is thicker.
7. the lamp housing formula radiator in the lighting device, has heat radiation function, it is characterized in that, to be made into integration at 1mm to 3mm, after containing the raffinal Sheet drawing of aluminium more than 99% by thickness, be hollow bulb, it is comprised of radiating surface and outer cover body, forms surface contact structure between radiating surface and the circuit board, and the heat radiation through hole that can form heat dissipation channel is set on the outer cover body.
8. lamp housing formula radiator as claimed in claim 7 is characterized in that, the heat radiation strip hole of the heat radiation through hole that arranges on the outer cover body for laying along the outer shell outer wall radial parallel.
9. such as claim 7 or 8 described lamp housing formula radiators, it is characterized in that outer cover body is a frustum by shrinking gradually to the other end with this end of circuit board joint face.
10. a LED lighting device is characterized in that, comprising: optical mirror slip, lamp housing formula radiator, circuit board, LED drive unit, wherein,
Lamp housing formula radiator is to be made into integration at 1mm to 3mm, after containing the raffinal Sheet drawing of aluminium more than 99% by thickness, it is hollow bulb, it is comprised of described lamp housing formula radiator radiating surface and outer cover body, form surface contact structure between radiating surface and the circuit board, the heat radiation through hole that can form heat dissipation channel is set on the outer cover body;
Optical mirror slip is arranged on the front end of lamp housing formula radiator, and the LED drive unit is arranged in the lamp housing formula radiator or its rear end is set.
11. LED lighting device as claimed in claim 10 is characterized in that, comprising:
Heat dissipation channel one: in heat dissipation channel one, thereby heat is surface by housing and air to carry out thermal convection current dissipation of heat is gone out, the existence of heat radiation through hole can guarantee air can smooth and easy convection current to strengthen thermal diffusivity;
Heat dissipation channel two: heat distributes from the LED drive unit, dispel the heat away by the heat radiation through hole again, thereby heat is transmitted to by high-heat-conductivity glue water from the LED drive unit and carries out thermal convection current by power supply shell surface and air again behind the power supply shell surface dissipation of heat is gone out, the existence of heat radiation through hole can guarantee air can smooth and easy convection current with the enhancing thermal diffusivity;
Passage one and passage two can conduct heat to air swimmingly and not accumulate in lamp interior, and these two heat dissipation channels independently are independent of each other.
12., it is characterized in that the even light optical mirror slip of described optical mirror slip employing or secondary light-distribution optical mirror slip can be screwed or glue is bonded on the lamp housing formula radiator such as claim 10 or 11 described LED lighting devices.
13., it is characterized in that circuit board is a module that the bottom is smooth such as claim 10 or 11 described LED lighting devices, this bottom is carried out face with radiating surface and is contacted, the joint place coating high thermal conductivity silicone grease of preferred two faces.
14. such as claim 10 or 11 described LED lighting devices, it is characterized in that the input line of LED driver module links to each other with the both positive and negative polarity of lamp holder, its output line links to each other with the both positive and negative polarity of circuit board, and is arranged in the cavity of power supply shell.
15. LED lighting device as claimed in claim 14 is characterized in that, inner high heat conduction, the good glue of insulation of filling with of power supply shell.
16. the preparation method of lamp housing formula radiator is characterized in that in the LED lighting device, may further comprise the steps:
(1) blanking, by in advance the design size get thickness at 1mm to 3mm, contain the raffinal sheet material of aluminium more than 99%, this sheet material of stamping-out becomes the required outline of shell;
(2) spinning for the first time becomes an open hollow part with raffinal sheet material spinning, and the size of the openend of the blank behind the spinning is not less than the size of closed end;
(3) spinning for the second time adopts a kind of spinning process to process to the blank through above step process, its opening part diameter is diminished, and opening is spun into the radian of pre-design.
17. the preparation method of lamp housing formula radiator is characterized in that in the LED lighting device as claimed in claim 16, also comprises between step (1) and step (2):
Punch forming: stamp out one for the depressed area that contacts with the circuit board face at the middle part of sheet material, form the binding face that can fit tightly the led circuit plate in the depressed area.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110329640.3A CN103075718B (en) | 2011-10-26 | 2011-10-26 | Manufacturing method of lamp housing type radiator, lamp housing type radiator, and LED (Light-emitting Diode) lighting device |
| PCT/CN2012/081647 WO2013060211A1 (en) | 2011-10-26 | 2012-09-20 | Manufacturing method of lamp housing type heat-sink, lamp housing type heat-sink and led lighting device |
| US14/354,535 US9810416B2 (en) | 2011-10-26 | 2012-09-20 | Method for manufacturing a lamp-housing-type heat-sink, lamp-housing-type heat-sink, and LED lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110329640.3A CN103075718B (en) | 2011-10-26 | 2011-10-26 | Manufacturing method of lamp housing type radiator, lamp housing type radiator, and LED (Light-emitting Diode) lighting device |
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| Publication Number | Publication Date |
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| CN103075718A true CN103075718A (en) | 2013-05-01 |
| CN103075718B CN103075718B (en) | 2015-03-04 |
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| CN201110329640.3A Active CN103075718B (en) | 2011-10-26 | 2011-10-26 | Manufacturing method of lamp housing type radiator, lamp housing type radiator, and LED (Light-emitting Diode) lighting device |
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| CN103639276A (en) * | 2013-11-20 | 2014-03-19 | 梧州恒声电子科技有限公司 | Stretchable-piece pre-punching mold |
| CN103939859A (en) * | 2014-04-30 | 2014-07-23 | 东莞雅士电子有限公司 | Assembly method for LED lamp |
| CN105202486A (en) * | 2014-06-25 | 2015-12-30 | 江门市邑灯照明科技有限公司 | LED lamp shell and manufacturing method thereof |
| CN105537384A (en) * | 2014-11-03 | 2016-05-04 | 苏州贸锦祥电子有限公司 | Closing technology for LED lamp cups |
| CN111069461A (en) * | 2019-12-18 | 2020-04-28 | 惠州市艺创未来科技有限公司 | Production process of ice tray evaporator of ice maker |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103551441A (en) * | 2013-05-22 | 2014-02-05 | 安徽绿光照明有限公司 | Device and method for stretching ceiling type double curved surface aluminum alloy lampshade of electrodeless lamp |
| CN103639276A (en) * | 2013-11-20 | 2014-03-19 | 梧州恒声电子科技有限公司 | Stretchable-piece pre-punching mold |
| CN103939859A (en) * | 2014-04-30 | 2014-07-23 | 东莞雅士电子有限公司 | Assembly method for LED lamp |
| CN103939859B (en) * | 2014-04-30 | 2016-02-03 | 东莞雅士电子有限公司 | The assemble method of LED |
| CN105202486A (en) * | 2014-06-25 | 2015-12-30 | 江门市邑灯照明科技有限公司 | LED lamp shell and manufacturing method thereof |
| CN105537384A (en) * | 2014-11-03 | 2016-05-04 | 苏州贸锦祥电子有限公司 | Closing technology for LED lamp cups |
| CN111069461A (en) * | 2019-12-18 | 2020-04-28 | 惠州市艺创未来科技有限公司 | Production process of ice tray evaporator of ice maker |
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