CN203010250U - LED bulb lamp - Google Patents

LED bulb lamp Download PDF

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Publication number
CN203010250U
CN203010250U CN2012206163600U CN201220616360U CN203010250U CN 203010250 U CN203010250 U CN 203010250U CN 2012206163600 U CN2012206163600 U CN 2012206163600U CN 201220616360 U CN201220616360 U CN 201220616360U CN 203010250 U CN203010250 U CN 203010250U
Authority
CN
China
Prior art keywords
heat radiator
power source
ball lamp
source base
led ball
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2012206163600U
Other languages
Chinese (zh)
Inventor
洪及仁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taiwan Puritic Corp
Original Assignee
Taiwan Puritic Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to TW101219185U priority Critical patent/TWM455128U/en
Priority to TW101219185 priority
Application filed by Taiwan Puritic Corp filed Critical Taiwan Puritic Corp
Application granted granted Critical
Publication of CN203010250U publication Critical patent/CN203010250U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides an LED bulb lamp. A heat dissipation module of the LED bulb lamp comprises a heat dissipation body and a power supply base which are integrally formed, wherein the heat dissipation body is provided with a bearing top surface and a through hole allowing the bearing top surface to penetrate axially to the power supply base; a ceramic layer is arranged on the outer surfaces of the heat dissipation body and the power supply base; a plurality of grooves are formed in the ceramic layer; a light source module is arranged on the bearing top surface of the heat dissipation body, and is electrically connected to the power supply base through the through hole; and a light cover is arranged at the top end of the heat dissipation module and covers the light source module. According to the LED bulb lamp, the heat dissipation area and the heat convection direction are increased by staggered fins formed on the outer surface of the heat dissipation body, therefore, the heat can be transmitted effectively, and the LED bulb lamp has the advantages that the lighting efficiency is increased and the service life is prolonged.

Description

LED ball lamp
Technical field
The utility model is relevant a kind of LED ball lamp, particularly a kind of LED ball lamp with high radiating effect.
Background technology
Possess the advantage of power saving, long service life and the noxious material such as not mercurous due to light emitting diode (LED), make the LED bulb lamp be subject to gradually user's favor.So the LED bulb lamp often can cause circuit substrate to damage or the LED damage because of its heat dissipation problem; therefore in order to make the LED bulb lamp can use for a long time and keep certain brightness, the LED bulb lamp need be provided with the heat energy that heat abstractor produced so that LED is luminous and suitably be discharged outside to.
General LED bulb lamp mainly comprises LED module and radiator structure, radiator structure is mounted on below LED module, to see through radiator structure, the heat energy that LED module was produced is shed, Figure 1 shows that the radiator structure schematic diagram of known a kind of LED bulb lamp, as shown in Figure 1, radiator structure 10 comprises a plurality of metal fins 12, and each metal fins 12 is uniformly-spaced arranged in the form of a ring with the snapping series system, and utilize aluminium cream, tin cream or solid to be glued together, again metal fins 12 is carried out anode afterwards and process; The circuit substrate (not shown) of LED module is to be fixed in the apical margin 121 of metal fins 12 with heat-conducting glue again, in order to make thermal energy conduction that LED module produces to metal fins 12 via circuit substrate and contacting of metal fins 12, and the space by 12 of each radiating fins supplies Air Flow, so that heat energy is shed.
In the radiator structure 10 of above-mentioned LED bulb lamp, due to the circuit substrate of the LED module apical margin 121 of contacting metal fin 12 only, contact area is limited, make heat conducting approach be restricted, so heat-sinking capability is limited; Moreover when being applied to have the LED module of high wattage, temperature easily concentrates on the outer rim 122 of metal fins 12, can't directly touch with hand, and is comparatively dangerous in use.Also easily there are the problems such as safety worries or Electromagnetic Interference on metal fins 12 surfaces because of metallic conduction simultaneously.Although the anode processing of outer rim 122 that metal fins 12 is originally sharp keen again or the spray treatment of various coating, but still the safety problem that can't avoid hand to hurt.
On the other hand, the material of generally making metal fins 12 is aluminum metal, because aluminum metal is softer, easily has between combination workpiece and part to take off to hook or assemble the phenomenon that is difficult for.For the interference of isolation thermal source or power supply, generally isolate more than the sleeve (not shown) of metal fins 12 below assembling one plastic cement materials again, the design of this kind plastic cement sleeve easily affects the efficient of power supply and the thermal energy conduction efficient of LED bulb lamp.
The utility model content
In order to address the above problem, one of the utility model purpose is to provide a kind of LED bulb lamp, integrated design by heat radiator body and power source base, reduce the assembly cost of heat radiator body and power source base and reduce the media such as heat-conducting glue of assembling required use, and then the reduction thermal resistance, heat can effectively be transmitted.
One of the utility model purpose is to provide a kind of LED bulb lamp, by the formed alternating expression fin of heat radiator body outer surface, increases the direction of area of dissipation and thermal convection current.
One of the utility model purpose is to provide a kind of LED bulb lamp, contact area by light source module and heat radiator body increases, and heat energy directly dispels the heat via the radiating module of whole one, can reduce the temperature after the light source module stable state, have advantages of the light efficiency of increasing and extend power supply and lamp life.
In order to achieve the above object, the LED ball lamp of the utility model one embodiment comprises: a radiating module, it comprises a heat radiator body and is arranged at a power source base of heat radiator body bottom, heat radiator body has a carrying end face and reaches by the load-supporting roof over glaze to a through hole that is through to power source base, wherein heat radiator body and power source base are formed in one, and the outer surface of heat radiator body and the outer surface of power source base arrange a ceramic layer, are formed with a plurality of grooves on ceramic layer; And one light source module be arranged at the carrying end face of heat radiator body, and be electrically connected to power source base via through hole.
Description of drawings
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent, below in conjunction with accompanying drawing, the specific embodiment of the present utility model is elaborated, wherein:
Figure 1 shows that the radiator structure schematic diagram of known a kind of LED bulb lamp.
Figure 2 shows that the STRUCTURE DECOMPOSITION schematic diagram of the utility model one embodiment LED ball lamp.
Figure 3 shows that the structure assembling schematic diagram of the utility model one embodiment LED ball lamp.
The main element symbol description:
10 radiator structures
12 metal fins
121 apical margins
122 outer rims
20 LED ball lamps
22 radiating modules
24 light source modules
241 thermal capacitance buffer boards
242 circuit substrates
243 light emitting diodes
26 light shields
28 heat radiator body
30 power source base
32 ceramic layers
34 grooves
36 carrying end faces
38 through holes
40 fixed parts
42 fin structures
The specific embodiment
Figure 2 shows that the STRUCTURE DECOMPOSITION schematic diagram of the utility model one embodiment LED ball lamp.As shown in the figure, a LED ball lamp 20 comprises a radiating module 22, a light source module 24 and a light shield 26.Radiating module 22 comprises a heat radiator body 28 and a power source base 30, heat radiator body 28 and power source base 30 are with the moulding of mould integral production, and power source base 30 is arranged at heat radiator body 28 bottoms, and in the outer surface of heat radiator body 28 and power source base 30, a ceramic layer 32 is set, be formed with a plurality of grooves 34 on ceramic layer 32.
The above-mentioned explanation that continues, heat radiator body 28 have a carrying end face 36, and heat radiator body 28 is interior to be arranged a through hole 38 and axially run through carrying end face 36 central authorities to power source base 30, and keep carrying end face 36 peripheries and form fixed parts 40; Light source module 24 is arranged at the carrying end face 36 of heat radiator body 28, and is electrically connected to power source base 30 via through hole 38; Please consult simultaneously shown in Figure 3ly, light shield 26 is arranged at radiating module 22 tops, and covers light source module 24 (being shown in Fig. 2).
Please continue to consult shown in Figure 2, wherein light source module 24 comprises a thermal capacitance buffer board 241, a circuit substrate 242 and light emitting diode 243, thermal capacitance buffer board 241 is arranged at carrying end face 36, circuit substrate 242 is arranged at the upper surface of thermal capacitance buffer board 241, a plurality of light emitting diodes that single light emitting diode 243 or matrix are arranged are arranged on circuit substrate 242, and the conducting wire (not shown) on circuit substrate 242 and be connected to power source base 30 via through hole 38.The material of above-mentioned thermal capacitance buffer board 241 is metal or ceramic membrane, metal can be aluminium, copper or magnesium, the material of circuit substrate 242 is aluminium or pottery, the area of circuit substrate 242 is less than the area of thermal capacitance buffer board 241, and circuit substrate 242 and thermal capacitance buffer board 241 are to be fixed in the fixed part 40 of carrying end face 36 peripheries in the locking mode, one heat-conducting layer (not shown) more can be set between thermal capacitance buffer board 241 and circuit substrate 242 in addition, and the material of heat-conducting layer can be graphite flake.In the utility model, setting by thermal capacitance buffer board 241, make the heat energy that light emitting diode 243 produces first accumulate rapidly in thermal capacitance buffer board 241, light emitting diode 243 is maintained in stable low temperature, more slowly heat energy is passed via radiating module 22 by thermal capacitance buffer board 241.
Wherein, be arranged at that on the ceramic layer 32 of heat radiator body 28 side surfaces of radiating module 22, formed a plurality of grooves 34 are to be staggered to arrange, in an embodiment, groove 34 is to assume diamond in shape, so as to form the fin structure 42 of alternating expression in side surface.The material of whole radiating module 22 is metal, alloy or plastic cement again, and ceramic layer 32 is to be formed at the outer surface of heat radiator body 28 and power source base 30 with sputter or electrochemical means, in an embodiment, metal ceramic is to utilize liquid treatment technology, impel the ceramic layer 32 of the spontaneous high crystalline of metal, so as to the excellent specific property in conjunction with metal and pottery.Metal has splendid thermal conductive property, and is ceramic see through phonon and have splendid heat dissipation characteristics, again due to the setting of groove 34, makes pottery have porous character, thereby can significantly increase surface area, reaches the gain effect of heat radiation.
Moreover, due to the non-absorbency of ceramic material, can avoid static or the electric shock problem of LED ball lamp 20, simultaneously arranging of ceramic layer 32 improved the known metal fin and easily cut the problem that hand and surface temperature scald one's hand, and has the effect that increases safety.In addition, ceramic layer 32 has more standby excellent electric insulation, high rigidity and the characteristic such as anti-corrosion.Wherein, ceramic layer 32 is according to the difference of the compound of oxidation, and the color that can generate also has difference, and more normal user is white, black, dirty-green, kermesinus and yellowish red color etc.Only be not limited to this, in another embodiment, power source base 30, heat radiator body 28 and groove 34 are can be by the one-body molded person of monolithic ceramic, and in one-body molded process, ceramic outer surface forms and forms simultaneously staggered fins structure 42.What is more, in the utility model, the fin structure 42 of alternating expression has design attractive in appearance, and also the design of more general vertical fin can be shock-resistant or be destroyed, and has more standby better waterproof and dustproof and flameproof effect.
In the utility model, the integrated design of heat radiator body and power source base, reduce known heat radiator body and the assembly cost of power source base, and the media such as heat-conducting glue of the required use of minimizing assembling, so as to the conduction efficiency of strengthening the heat that light emitting module produces with reduce thermal resistance, heat can effectively be transmitted; Moreover the formed alternating expression fin of heat radiator body outer surface has more increased the direction of area of dissipation and thermal convection current.On the other hand, the fixed part that carries the end face periphery is fixed in system due to light source module, the contact area of light source module and heat radiator body is large, and heat energy directly dispels the heat via the radiating module of whole one, can reduce the temperature after the light source module stable state, and then have advantages of the light efficiency of increasing and extend power supply and lamp life.
Although the utility model discloses as above with preferred embodiment; so it is not to limit the utility model; any those skilled in the art; within not breaking away from spirit and scope of the present utility model; when doing a little modification and perfect, therefore protection domain of the present utility model is worked as with being as the criterion that claims were defined.

Claims (11)

1. LED ball lamp is characterized in that comprising:
One radiating module, comprise a heat radiator body and be arranged at a power source base of this heat radiator body bottom, this heat radiator body has a carrying end face and reaches by this load-supporting roof over glaze to a through hole that is through to this power source base, wherein this heat radiator body and this power source base are formed in one, and the outer surface of this heat radiator body and the outer surface of this power source base arrange a ceramic layer, are formed with a plurality of grooves on this ceramic layer; And
One light source module is arranged at this carrying end face of this heat radiator body, and is electrically connected to this power source base via this through hole.
2. LED ball lamp as claimed in claim 1, is characterized in that, this groove is staggered to be arranged, to form the alternating expression fin structure.
3. LED ball lamp as claimed in claim 2, is characterized in that, each this groove assumes diamond in shape.
4. LED ball lamp as claimed in claim 1, is characterized in that, the material of this heat radiator body and this power source base is metal, alloy or plastic cement, and this ceramic layer is to be formed at this outer surface with sputter or electrochemical means.
5. LED ball lamp as claimed in claim 1, is characterized in that, the material of this heat radiator body and this power source base is pottery.
6. LED ball lamp as claimed in claim 1, is characterized in that, heat radiator body and this power source base are one-body molded with mould.
7. LED ball lamp as claimed in claim 1, is characterized in that, this light source module comprises:
One thermal capacitance buffer board is arranged at this carrying end face;
One circuit substrate is arranged at the upper surface of this thermal capacitance buffer board; And
At least one light emitting diode is arranged on this circuit substrate.
8. LED ball lamp as claimed in claim 7, is characterized in that, the material of this thermal capacitance buffer board is metal or ceramic membrane, and the material of this circuit substrate is aluminium or pottery.
9. LED ball lamp as claimed in claim 7, is characterized in that, also comprises a heat-conducting layer, is arranged between this thermal capacitance buffer board and this circuit substrate.
10. LED ball lamp as claimed in claim 7, is characterized in that, the area of this circuit substrate is less than the area of this thermal capacitance buffer board, and this circuit substrate and this thermal capacitance buffer board are to be fixed in this carrying end face in the locking mode.
11. LED ball lamp as claimed in claim 1 is characterized in that, also comprises a light shield, is arranged at this radiating module top, and covers this light source module.
CN2012206163600U 2012-10-04 2012-11-20 LED bulb lamp Expired - Fee Related CN203010250U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW101219185U TWM455128U (en) 2012-10-04 2012-10-04 LED bulb
TW101219185 2012-10-04

Publications (1)

Publication Number Publication Date
CN203010250U true CN203010250U (en) 2013-06-19

Family

ID=48601843

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012206163600U Expired - Fee Related CN203010250U (en) 2012-10-04 2012-11-20 LED bulb lamp

Country Status (2)

Country Link
CN (1) CN203010250U (en)
TW (1) TWM455128U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103438371A (en) * 2013-08-23 2013-12-11 上海明泰照明电器有限公司 Led lamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103438371A (en) * 2013-08-23 2013-12-11 上海明泰照明电器有限公司 Led lamp
CN103438371B (en) * 2013-08-23 2015-11-18 上海明泰照明电器有限公司 Led

Also Published As

Publication number Publication date
TWM455128U (en) 2013-06-11

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Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130619

Termination date: 20151120

EXPY Termination of patent right or utility model