CN102853303B

CN102853303B - Light-emitting diode (LED) light source with good heat dispersion performance

Info

Publication number: CN102853303B
Application number: CN201210361555.XA
Authority: CN
Inventors: 黎昌兴
Original assignee: Individual
Current assignee: Guangdong Fan Photoelectric Technology Co ltd
Priority date: 2012-09-25
Filing date: 2012-09-25
Publication date: 2014-09-10
Anticipated expiration: 2032-09-25
Also published as: CN102853303A

Abstract

The invention relates to the field of LED illumination and discloses an LED light source with good heat dispersion performance. The LED light source comprises a main cooling base and an auxiliary cooling base, wherein the auxiliary cooling base is installed at the front end of the main cooling base, two eudipleural main fluid channels are eudipleurally arranged at the lower half of inside the main cooling base, all main fluid channels are communicated with the outside respectively at the rear end of the main cooling base, front end portions of all main fluid channels extend into the auxiliary cooling base and are connected with the auxiliary cooling base, at least one main filling cavity is arranged inside the main cooling base, all main filling cavities are independent of and not communicated with all main fluid channels respectively, all main filling cavities are filled with heat-absorbing filling materials in a sealing mode respectively, an LED chip light source which can illuminate outwards is arranged at the front end of the auxiliary cooling base, and/or an LED chip light source which can illuminate outwards is arranged on the side face of the main cooling base.

Description

The LED light source that thermal diffusivity is good

Technical field

The present invention relates to LED lighting field, particularly a kind of LED light source.

Background technology

Headlamp for vehicles and ships is a kind of light source very high to lighting requirement, and current headlamp for vehicles and ships is mainly crow silk incandescent lamp, and to be that the incandescent state up to 3000 DEG C is luminous by crow silk realize illumination to its operation principle.

The inventor finds in research process of the present invention carrying out, the defect below current car and boat exist in application process with the incandescent headlamp of crow silk:

1, current car and boat are generally 13-20lm/W by the luminous efficiency of the incandescent headlamp of crow silk, and illumination efficiency is lower;

2, current car and boat are lower with the life-span of the incandescent headlamp of tungsten filament, and generally only 3-10 month not etc. for its application life.

In recent years along with the development of LED technology, LED is due to its luminous efficiency higher (generally reaching 120-160lm/W), more the advantage of environmental protection and energy saving and enjoy the favor of various countries.But due to the operating temperature of LED require compared with low and can not be as tengsten lamp withstand high temperatures, therefore apply and be subject to great restriction in the intense light source of LED.

Some car and boat that LED illumination expert still thinks high to illumination intensity and volume is limited is the technical barrier that impossible realize with applying LED in the front outstanding person of photograph at present.

Summary of the invention

The embodiment of the present invention the first object is to provide a kind of LED light source of realizing good heat radiating.

The embodiment of the present invention the second object is to provide the second can realize the LED light source of good heat radiating.

The first LED light source that the embodiment of the present invention provides, comprise: main cooling base, the latter half in described main cooling base is symmetrically provided with two symmetrical main fluid passageway, and each described main fluid passageway is communicated with outside respectively in the rear end of described main cooling base

Also comprise secondary cooling base and LED light source,

Described secondary cooling base is arranged on the front end of described main cooling base,

The fore-end of each described main fluid passageway stretches at described secondary cooling base and is connected with described secondary cooling base,

In described main cooling base, be also provided with at least one main filled chamber, each described main filled chamber is not independently connected with each described main fluid passageway respectively, and in each described main filled chamber, sealing is filled with heat absorption filler respectively,

The front end of described secondary cooling base be provided with can be externally luminous LED chip light source, and/or, be provided with in the side of described main cooling base can be externally luminous LED chip light source.

Alternatively, be also provided with at least one secondary filled chamber in described secondary cooling base, in each described secondary filled chamber, sealing is filled with heat absorption filler.

Alternatively, in described main cooling base, be provided with at least two described main fluid passageway,

Rear end at described secondary cooling base is provided with cavity, and each described cavity is relative with each described main fluid passageway position respectively,

The fore-end of each described main fluid passageway stretches at described secondary cooling base and is connected with described secondary cooling base, specifically:

Each described main fluid passageway is communicated with described cavity respectively, arbitrary described main fluid passageway by described cavity with at least arbitrary described in another main fluid passageway interconnect, form convolution fluid passage.

Alternatively, described cavity is the U-shaped protruding to the front end of described secondary cooling base.

Alternatively, each described main fluid passageway is not communicated with mutually at the front end of described main cooling base,

In described secondary cooling base, be also provided with the secondary fluid channels that quantity is consistent with described main fluid passageway, each described secondary fluid channels is communicated with outside respectively in front end and the rear end of described secondary cooling base,

The outer wall of the fore-end of each described main fluid passageway is connected with described secondary cooling base, and each described main fluid passageway interconnects respectively with each described secondary fluid channels respectively.

Alternatively, also be connected with a trumpet-shaped current-collecting device at the front end of each described secondary fluid channels, described current-collecting device is greater than and the area of the channel cross-section of the pipeline of described secondary cooling base junction at the area of the channel cross-section of the pipeline of described secondary cooling base front end.

Alternatively, on the inwall of each described secondary fluid channels, be also extended with respectively at least one back blades.

Alternatively, on the inwall of each described main fluid passageway, be also extended with respectively at least one primary blades.

Also be provided with in the rear end of each described main fluid passageway for the drainage machine of drainage and/or for the perfusion machine of perfusion.

Alternatively, be also socketed with the installation cooling base for being connected with outside outward at described main cooling base.

Alternatively, in described main cooling base, be also provided with circuit cavity, in described circuit cavity, be provided with for the control circuit plate module to described LED chip light source power supply,

Be outside equipped with at least one described main filled chamber at described circuit cavity.

Alternatively, when be provided with at the front end of described secondary cooling base can be externally luminous LED chip light source time, be also provided with diffuser at the front end of described secondary cooling base.

Alternatively, be provided with in the side of described main cooling base can be externally luminous LED chip light source, specifically:

Be provided with a LED fixed platform in the side of described main cooling base, at least one described main fluid passageway is through the bottom of described LED fixed platform;

In described LED fixed platform, be provided with described LED chip light source.

Alternatively, in described LED fixed platform, be also provided with lens,

Described LED chip light source in described LED fixed platform is by described lens semi-surrounding.

Alternatively, in the cavity of described LED fixed platform and the formation of described lens, be filled with the heat absorption filler of light-permeable.

The top open part of the cavity forming at described LED fixed platform and described lens alternatively, is also provided with euphotic cover.

Be respectively arranged with described LED chip light source at least two sides of described main cooling base.

Alternatively, described in relative any two, between LED chip light source, be provided with main fluid passageway described at least one.

The second LED light source that the embodiment of the present invention provides, comprising: main cooling base,

In described main cooling base, be provided with main fluid passageway, each described main fluid passageway is communicated with outside respectively in the rear end of described main cooling base, be provided with LED fixed platform in the side of described main cooling base, in described LED fixed platform, be fixed with can be externally luminous LED chip light source

Bottom in described LED fixed platform is at least by main fluid passageway described in having;

Two described main fluid passageway are symmetrically arranged on the latter half in described main cooling base, in described main cooling base, be also provided with at least one main filled chamber, each described main filled chamber is not connected with each described main fluid passageway respectively, and in each described main filled chamber, sealing is filled with heat absorption filler respectively.

Arbitrary described main fluid passageway the front end of described main cooling base with at least arbitrary described in another main fluid passageway interconnect, form convolution fluid passage.

Alternatively, interconnect arbitrarily two described in the connection corner of main fluid passageway be round and smooth U-shaped.

Alternatively, each described main fluid passageway is through to respectively the front end of described main cooling base along described main cooling base rear end.

Alternatively, also be connected with a trumpet-shaped current-collecting device at the front end of each described main fluid passageway, described current-collecting device is greater than and the area of the channel cross-section of the pipeline of described main fluid passageway junction at the area of the channel cross-section of the pipeline of described main fluid passageway front end.

Alternatively, in described LED fixed platform, be also provided with lens,

Therefore, the technical scheme of the application embodiment of the present invention, can supplied gas or the fluid such as the liquid main fluid passageway that flows to and flow out owing to being provided with at the main cooling base inner chamber of the present embodiment, and this main fluid passageway puts in to secondary cooling base, therefore no matter at a LED chip light source of main cooling base 101 or secondary cooling base, in the 2nd LED chip light source or both luminous courses of work of LED chip light source, the heat of the luminous generation of LED chip light source conducts to the main cooling base being fixedly connected with LED chip light source, secondary cooling base, main cooling base, heat on secondary cooling base is passed to the fluid of main fluid passageway 1011 internal circulations, flowing to by fluid in main fluid passageway flowed out and taken fast to outside, realize the object of quick heat radiating.

Through inventor test, the present embodiment is specially adapted to super high power, for example adopts the present embodiment LED light source to make automobile or the car LED light source headlight that needs high light for motorcycle, can also make wheel searchlight peculiar to vessel etc.

Brief description of the drawings

Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, does not form inappropriate limitation of the present invention, in the accompanying drawings:

A kind of LED light source longitudinal center cross-sectional view that Fig. 1 provides for the embodiment of the present invention 1;

A kind of LED light source longitudinal center cross-sectional view that Fig. 2 provides for the embodiment of the present invention 2;

A kind of LED light source longitudinal center cross-sectional view that Fig. 3 provides for the embodiment of the present invention 3;

A kind of LED light source longitudinal center cross-sectional view that Fig. 4 provides for the embodiment of the present invention 4;

A kind of LED light source longitudinal center cross-sectional view that Fig. 5 provides for the embodiment of the present invention 5;

A kind of LED light source longitudinal center cross-sectional view that Fig. 6 provides for the embodiment of the present invention 6;

A kind of LED light source longitudinal center cross-sectional view that Fig. 7 provides for the embodiment of the present invention 7;

A kind of LED light source longitudinal center cross-sectional view that Fig. 8 provides for the embodiment of the present invention 8;

A kind of LED light source longitudinal center cross-sectional view that Fig. 9 provides for the embodiment of the present invention 9;

A kind of LED light source longitudinal center cross-sectional view that Figure 10 provides for the embodiment of the present invention 10;

In the LED light source that Figure 11 provides for embodiment of the present invention 1-10, the A of main cooling base is to perspective structure schematic diagram;

A kind of LED light source structural representation that Figure 12 provides for the embodiment of the present invention 11;

A kind of LED light source structural representation that Figure 13 provides for the embodiment of the present invention 12;

A kind of LED light source structural representation that Figure 14 provides for the embodiment of the present invention 13;

A kind of LED light source structural representation that Figure 15 provides for the embodiment of the present invention 11;

A kind of LED light source structural representation that Figure 16 provides for the embodiment of the present invention 15.

Reference numeral:

Main cooling base: 101; Main fluid passageway: 1011; Main filled chamber: 1307; Main filled chamber: 1308;

Circuit cavity: 1013; Power line fluid passage: 1014; LED fixed platform: 1015;

The one LED chip light source: 1016; Lens: 1017; Euphotic cover: 1018; Secondary cooling base: 102;

Step: 1021; The 2nd LED chip light source: 1022; Diffuser: 1023; Secondary filled chamber: 1024;

Cavity: 1025; Power line: 104; Cooling base is installed: 103; Secondary cooling base: 202;

Main cooling base: 301; Fill fluid passage: 3011; Secondary cooling base: 302; Cavity: 3025;

Diversion ramp: 3026; Filled chamber: 300; The second cavity: 3027; Circuit cavity: 3013;

Main cooling base: 401; Main fluid passageway: 4011; The one LED chip light source: 4016;

Secondary cooling base: 402; The 2nd LED chip light source: 4021; Secondary fluid channels: 4025;

Secondary cooling base: 502; Diffuser: 5023; Current-collecting device: 505; Main cooling base: 601;

Drainage machine (or perfusion machine): 606; Main cooling base: 701; Main fluid passageway: 702;

Main filled chamber 703; Circuit cavity: 704; LED chip light source: 705; LED fixed platform: 706;

Lens: 707; Current-collecting device: 708; Main cooling base: 801; Drainage machine (or perfusion machine): 802;

Secondary cooling base: 900; The 2nd LED chip light source: 9021;

Secondary cooling base: 1000; The 2nd LED chip light source: 10021;

Main cooling base: 100;

LED fixed platform: 1001; LED fixed platform: 1002; Main fluid passageway: 1003;

Main fluid passageway: 1004; Main filled chamber: 1005; Main filled chamber: 1006;

Main fluid passageway: 1007; Main fluid passageway: 1008; LED chip light source 1009;

LED chip light source 1000; Main cooling base: 110; Main fluid passageway: 1103;

Main fluid passageway: 1104; Main fluid passageway: 1105; Main fluid passageway: 1106;

Main fluid passageway: 1107; Main cooling base: 1201; LED fixed platform: 1203;

LED fixed platform: 1204; Lens: 1202; Lens: 1205; Main filled chamber 1207;

Main filled chamber: 1208; Main fluid passageway: 1209; Main fluid passageway: 1200;

Main cooling base: 1301; Lens: 1302; Lens: 1305; Main filled chamber: 1307;

Main filled chamber: 1308; Main cooling base: 140; LED fixed platform: 1403;

LED fixed platform: 1404; Lens: 1402; Lens: 1405; Main filled chamber: 1407;

Main filled chamber: 1408.

Detailed description of the invention

Describe the present invention in detail below in conjunction with accompanying drawing and specific embodiment, be used for explaining the present invention in this illustrative examples of the present invention and explanation, but not as a limitation of the invention.

Embodiment 1:

Shown in Fig. 1,11, the present embodiment provides a kind of LED light source, and this light source mainly comprises: main cooling base 101, secondary cooling base 102 and LED chip light source.Its structure is as follows:

Secondary cooling base 102 is arranged on the front end of main cooling base 101.

In main cooling base 101, be provided with at least one main fluid passageway 1011.Shown in Fig. 1,11, in the present embodiment, the latter half in main cooling base 101 is symmetrically provided with two main fluid passageway 1011, and on this LED chip light source, each main fluid passageway 1011 is provided with beginning to be communicated with outside respectively in the rear end of main cooling base 101.

In the time carrying out being connected of main cooling base 101 and secondary cooling base 102, the fore-end of the each main fluid passageway 1011 on main cooling base 101 is stretched at secondary cooling base 102 to be connected with secondary cooling base 102, referring to Fig. 1, shown in 11, the latter half that is provided with main fluid passageway 1011 on main cooling base 101 can be arranged to stretch out shape along front end in the present embodiment, correspondingly be provided with the step 1021 of a forward end indentation in secondary cooling base 102 the latter half relative with main cooling base 101 front and back, the partial fixing that thereby main cooling base 101 the latter halfs can be stretched out along front end rear end lower in secondary cooling base 102 connects along the bottom of realizing main cooling base 101 and secondary cooling base 102 on the step 1021 of front end indentation, now the front end of two main fluid passageway 1011 all partly stretches in secondary cooling base 102.

In main base, be also respectively arranged with at least one main filled chamber 1012, each main filled chamber 1012 is separate with each main fluid passageway 1011 and be not connected respectively, is filled with heat absorption filler in the interior sealing respectively of each main filled chamber 1012.

Referring to Fig. 1, shown in 11, the present embodiment is as schematically, be provided with two main filled chambers 1012 in the first half of main cooling base 101, wherein in the main filled chamber 1012 near main cooling base 101 rear ends, be also further provided with circuit cavity 1013, in this circuit cavity 1013, being provided with for the control circuit plate module to the power supply of LED chip light source (provides the power line 104 of external power source to introduce from the rear end of main cooling base 101 to control circuit plate module, ), like this in the present embodiment LED chip light source application course of work, the heat that the work of control circuit plate module is sent can pass to fast to the heat absorption filler in the main filled chamber 1012 of outside, thereby avoid control circuit plate module excess Temperature and affect normal work.

Shown in Figure 1, in the interior power line fluid passage 1014 of can power supply source wire passing through that can also further be provided with respectively of main cooling base 101, the power lead of now drawing in control circuit plate module can power line fluid passage 1014 be directed to the LED chip light source of main cooling base 101 sides.When be also provided with LED chip light source on secondary cooling base 102 time, can also make the power line fluid passage 1014 on winner's cooling base 101 be communicated with the power line fluid passage 1014 on secondary cooling base 102, further the power lead of drawing in control circuit plate module is caused to the LED chip light source of main cooling base 101 sides, so that power supply to be provided.

Shown in Fig. 1,11, the present embodiment, as signal, is provided with LED fixed platform 1015 in the forward top-side of main cooling base 101, and a LED chip light source 1016 is installed in this LED fixed platform 1015.

In the surrounding of a LED chip light source 1016, (shape of this lens 1017 specifically can be selected as required in this LED fixed platform 1015, to be provided with lens 1017, such as bowl-shape or hemispherical etc.), thereby make a LED chip light source 1016 be arranged in lens 1017, by the three-dimensional encirclement of lens 1017, now, the light that LED sends can externally send with the direction of determining under the luminous intensity distribution of lens 1017 regulates, and reaches predetermined illumination object.A LED chip light source 1016 that is for example arranged on main cooling base 101 sides can be, but not limited to can be for the dipped headlights of motorcycle or automobile or steamer.

Further; shown in Figure 1; the top open part of the cavity forming at the LED fixed platform 1015 of the main cooling base 101 of the present embodiment and the lens 1017 on it is sealed and installed with euphotic cover 1018; this euphotic cover 1018 both can be for having regulated the lighting effect of the LED chip light source 1016 in it in application process, the object that can also be used for protection against the tide, prevent dust, anticollision has reached its interior LED chip light source 1016 of protection.This euphotic cover 1018 can be installed according to actual needs also and can not install.

In addition, can also but in the cavity that is not limited to form at the LED of main cooling base 101 fixed platform 1015 and the lens 1017 on it, fill the heat absorption material of light-permeable, conducted to fast the heat absorption material of its surrounding with the heat sending in a LED chip light source 1016 is worked luminescence process.

Shown in Figure 1; the front end of the secondary cooling base 102 of the present embodiment can also but be not limited to be provided with the 2nd LED chip light source 1022; be coated with diffuser 1023 at the front end of the 2nd LED chip light source 1022; this diffuser 1023 is sealed in the 2nd LED chip light source 1022 of secondary cooling base 102 front ends in diffuser 1023; play the lighting effect that regulates the 2nd LED chip light source 1022 in it, the object that can also be used for protection against the tide, prevent dust, anticollision has reached its 2nd interior LED chip light source 1022 of protection.

Shown in Figure 1, the upper rear end of the secondary cooling base 102 of the present embodiment can also but be not limited to be provided with secondary filled chamber 1024, be filled with heat absorption filler in the interior sealing of this pair filled chamber 1024.In the time that the 2nd LED chip light source 1022 of secondary cooling base 102 front ends is worked, the heat that the 2nd LED chip light source 1022 sends is conducted to the heat absorption filler in secondary filled chamber 1024 fast by the secondary cooling base 102 of the 2nd LED chip light source 1022 bottoms, improves the radiating effect of the 2nd LED chip light source 1022.

It should be noted that, secondary filled chamber 1024 can be arranged in the present embodiment to the top rearmost end of secondary cooling base 102, now can adopt heat insulation lens 1017 to serve as the cavity lid of the secondary filled chamber 1024 on secondary cooling base 102, after the interior populated heat absorption material of secondary filled chamber 1024, this heat insulation lens 1017 on the open rearward end place of this pair filled chamber 1024 sealing blocking, this heat insulation lens 1017 plays a part on the one hand to 1016 luminous intensity distributions of a LED chip light source on main cooling base 101, play on the other hand heat-blocking action, affect the temperature of LED chip light source 1016 positions on main cooling base 101 to avoid the heat of the interior heat absorption material of secondary filled chamber 1024 to conduct to LED chip light source 1016 positions on main cooling base 101, play on the one hand the secondary filled chamber 1024 of shutoff.

In addition, the heat absorption material in the present embodiment is specially the material that thermal capacity is larger, and it can be that conductive materials can be also megohmite insulant, and it can also can also be glue or solid shape etc. for liquid state for gaseous state.Such as but be not limited to select water as the heat absorption material being sealed in each main filled chamber 1012 and secondary filled chamber 1024, when elected water is heat absorption material, fill heat absorption when material when be provided with the periphery of a LED chip light source 1016 in main cooling base 101 sides, in advance to a LED chip light source 1016 with and interlock circuit seal to keep away from moisture or short circuit.

Shown in Figure 1, as the one signal of the present embodiment, can the bottom front end of secondary cooling base 102 be arranged to plane, be provided with one along the recessed U-shaped cavity 1025 of front end in the rear end lower of secondary cooling base 102, this U-shaped cavity 1025 is communicated with jointly with two main fluid passageway 1011 of the main cooling base 101 that is connected to secondary cooling base 102 rear ends, now symmetrical two main fluid passageway 1011 in main cooling base 101 bottoms are communicated with at cavity 1025 places of secondary cooling base 102, two symmetrical U-shapeds of main fluid passageway 1011 formation level become convolution fluid passage.

It should be noted that, as signal, the present embodiment Fig. 1 only takes the shape of the letter U as example and describes taking the cavity 1025 on secondary cooling base 102, can be set in actual applications any shape.The inventor issues after examination and approval and existing this cavity 1025 is arranged to the motion smoothness that the recessed circular shape of inwall forward end is conducive to improve the fluid in the convolution fluid passage that on main cooling base 101, multiple main fluid passageway 1011 form carrying out research process pilot scale of the present invention, is conducive to improve the flow velocity of fluid.

It should be noted that, the main cooling base 101 of the present embodiment, secondary cooling base 102 all can be, but not limited to the heat dissipation metal pedestal good into thermal diffusivity.

In addition, each main fluid passageway 1011 of the main cooling base 101 of the present embodiment interior can also but be not limited to be provided with primary blades, each primary blades is extended and is given prominence in each main fluid passageway 1011 from the inwall of each main fluid passageway 1011.The arranging of each primary blades can further be improved main cooling base 101 and the contact area of fluid that flows through each main fluid passageway 1011, guarantee that main cooling base 101 fully contacts with the fluid flowing through, be conducive to further be conducive to improve the heat conduction efficiency of main cooling base 101 to fluid, improve the radiating efficiency of the present embodiment the one LED chip light source 1016.

In addition, the present embodiment taking the side at main cooling base 101 and the front end of secondary cooling base 102 be provided with LED light source and describe as example, in application, a LED chip light source 1016 (now can be, but not limited to omit secondary cooling base 102) can be only set in the side of main cooling base 101, also can only at the front end of secondary cooling base 102, the 2nd LED chip light source 1022 be set.

In addition, the present embodiment describes the present embodiment taking cross section as circular main cooling base 101 and secondary cooling base 102, but be not limited in this, in the time of application, can select main cooling base 101, secondary cooling bases 102 square or pentalpha or other any opposite sex, adopt above-mentioned mechanism can reach equally the object of raising radiating effect of the present invention.

In addition, the main cooling base 101 of this enforcement outer can also but be not limited to further be set with cooling base 103 be installed, so that easily the LED light source of the present embodiment is contained on other equipment easily, such as the headlamp of motorcycle or the headlamp of automobile, or the searchlight under water of steamer (fluid that now flows through each main fluid passageway 1011 is seawater) or searchlight waterborne (fluid that now flows through each main fluid passageway 1011 is air).

In addition, the present embodiment schematically illustrates the present embodiment technical scheme with the circuit cavity 1013 that is provided for holding control circuit plate module in main cooling base 101, but be not limited in this, in the time of design, can control circuit plate module need to be arranged on to the outside of main cooling base 101 according to actual installation, and in main cooling base 101, circuit cavity 1013 be set.

Therefore, due to main cooling base 101 inner chambers at the present embodiment are provided with can supplied gas or the fluid such as the liquid main fluid passageway 1011 that flows to and flow out, and this main fluid passageway 1011 puts in to secondary cooling base 102, therefore no matter at a LED chip light source 1016 of main cooling base 101 or secondary cooling base 102, in the 2nd LED chip light source 1022 or both luminous courses of work of LED chip light source, the heat of the luminous generation of LED chip light source conducts to the main cooling base 101 being fixedly connected with LED chip light source, secondary cooling base 102, main cooling base 101, heat on secondary cooling base 102 is passed to the fluid of main fluid passageway 1011 internal circulations, flowing to by fluid in main fluid passageway 1011 flowed out and taken fast to outside, realize the object of quick heat radiating.

Embodiment 2:

Shown in Fig. 2,11,1 difference of the LED light source of the present embodiment and embodiment is mainly:

Front end at the secondary cooling base 202 of the present embodiment is not provided with LED light source.And the front end of secondary cooling base 202 is arranged to round end shape.

The beneficial effect of the present embodiment is identical with the record in embodiment 1.

Embodiment 3:

Shown in Fig. 3,11,1 different dwelling of the LED light source of the present embodiment and embodiment are mainly:

The side of the main cooling base 301 of the present embodiment is without LED chip light source is installed.

The corresponding release of the present embodiment coordinates the LED chip light source of the main cooling base 301 required lens that throws light on, and the fill fluid passage 3011 that front and back connect is set on the top of main cooling base 301, in the upper rear end of secondary cooling base 302, an inside second recessed cavity 3027 is set, at main cooling base 301, after connecting, secondary cooling base 302 makes the fill fluid passage 3011 on main cooling base 301 tops and the just in time relative engagement of the second cavity 3027 of secondary cooling base 302 upper rear end, on the top of main cooling base 301 and secondary cooling base 302, common formation in a filled chamber 300 that can be used for filling heat absorption material is combined into a filled chamber 300 to entirety, can be in the interior further setting of this filled chamber 300 with respect to the independent unconnected circuit cavity 3013 of filled chamber 300 sealing.

The cavity 3025 of secondary cooling base 302 rear end lower of the present embodiment is further widened with respect to embodiment 1, and it is at the angle position place of secondary cooling base 302 leading portions, form a diversion ramp 3026, this diversion ramp 3026 flows through at fluid the effect that can play direct fluid in process, the speed that the fluid of further accelerating to flow in convolution fluid passage that fill fluid passage 3011 forms and flow out flows through, further improves the radiating efficiency of whole LED light source.

The present embodiment, except above-mentioned further beneficial effect, in like manner can be obtained corresponding beneficial effect described in embodiment 1 with the corresponding description in embodiment 1.

Embodiment 4:

Shown in Fig. 4,11,1 difference of the LED light source of the present embodiment and embodiment is mainly:

1, secondary cooling base 402 front ends of the present embodiment can not installed euphotic cover.

2, the secondary fluid channels 4025 having connected before and after the cavity of the bottom of the secondary cooling base 402 of the present embodiment has become, in the time installing, each main fluid passageway 4011 on main cooling base 401 is communicated with jointly with secondary fluid channels 4025 on secondary cooling base 402 respectively, each main fluid passageway 4011 all runs through front end and the rear end of main cooling base 401 and secondary cooling base 402, forms the fluid passage of running through before and after running through.

Be arranged in the 2nd LED chip light source 4022 of secondary cooling base 402 front ends and/or be positioned at the LED chip light source course of work of main cooling base 401 sides, the heat that on the heat producing in the circuit cavity inner control circuit plate module course of work on main cooling base 401 and a LED chip light source 4016 and secondary cooling base 402, the 2nd LED chip light source 4022 produces is conducted to respectively fast: the main cooling base 401 at place separately, secondary cooling base 402, from main cooling base 401 and secondary cooling base 402 and advancing, go out or laggard before the fluid (gas or liquid) that flows through with going out can fast the heat on main cooling base 401 and secondary cooling base 402 be taken to outside, realize quick heat radiating.

Especially, when the present embodiment LED light source being contained on movable equipment or device, while being for example contained in the front of motorcycle or automobile, in motorcycle or automobile traveling process, the present embodiment device is advanced forward with respect to ambient air, having a large amount of air to run through fluid passage flows at the entrance of secondary cooling base 402 front ends, to advance with motorcycle or automobile, essentially identical speed flows out from the rear end of main cooling base 401, take fast the heat on main cooling base 401 and secondary cooling base 402 out of outside, and realize quick heat radiating, and specific air-blast device is installed can be realized a large amount of fluids and flow through running through fluid passage high speed without extra.

In the setting of the LED fixed platform on the main filled chamber in the present embodiment, secondary filled chamber and main cooling base 401 and embodiment 1 substantially in like manner.

It should be noted that, the secondary fluid channels 4025 of the present embodiment to connect arrange one in the latter half of secondary cooling base 402 before and after, this secondary fluid channels 4025 is communicated with jointly with all main fluid passageway 4011 of main cooling base 401 bottoms jointly.Form the perforation fluid passage of two-in-one.But the present embodiment is not limited to this, can also be on secondary cooling base 402 the magnitude setting secondary fluid channels 4025 consistent with main fluid passageway 4011 quantity on main cooling base 401 respectively, after connection, make each main fluid passageway 4011 on main cooling base 401 respectively with each secondary fluid channels 4025 positions on secondary cooling base 402 just to being communicated with respectively, on main cooling base 401 and secondary cooling base 402, form multiple perforation fluid passages that connect before and after respectively.

In addition, with in each main fluid passageway 4011, can primary blades be set respectively in like manner, can also be at the secondary fluid channels of secondary cooling base 402 4025 or the interior back blades that arranges respectively of each secondary fluid channels 4025, each back blades extends and gives prominence in secondary fluid channels 4025 from the inwall of secondary fluid channels 4025.The arranging of secondary primary blades can further be improved secondary cooling base 402 and the contact area of fluid that flows through secondary fluid channels 4025, guarantee that secondary cooling base 402 fully contacts with the fluid flowing through, be conducive to further be conducive to improve the heat conduction efficiency of secondary cooling base 402 to fluid, thereby improve the radiating efficiency of the present embodiment LED light source.

Embodiment 5:

Shown in Fig. 5,11,4 differences of the LED light source of the present embodiment and embodiment are mainly:

1, secondary cooling base 502 front ends of the present embodiment are provided with diffuser 5023;

2, be also connected with a trumpet-shaped current-collecting device 505 at the front end of the secondary fluid channels of secondary cooling base 502, this current-collecting device 505 is greater than and the area of the channel cross-section of the pipeline of secondary cooling base 502 junctions at the area of the channel cross-section of the pipeline of secondary cooling base 502 front ends.

The present embodiment is except the beneficial effect described in can obtaining embodiment 4, also further owing to being also provided with current-collecting device 505 at secondary cooling base 502 front ends, when the present embodiment LED light source being contained on movable equipment or device, in this light source place equipment or device traveling process, this current-collecting device 505 can further strengthen and flow through the fluid flow that runs through fluid passage, further improves radiating effect.

Embodiment 6:

Shown in Fig. 6,11,5 differences of the LED light source of the present embodiment and embodiment are mainly:

1, the rear end of the main cooling base 601 of the present embodiment also has additional drainage machine (or perfusion machine) 606.

The present embodiment is except the beneficial effect described in can obtaining embodiment 5, also further owing to being provided with drainage machine (or perfusion machine) 606 in the rear end of main cooling base 601, this drainage machine (or perfusion machine) 606 is worked under electric driving, can further accelerate to run through described in flowing through the flow velocity of the fluid of fluid passage, thereby further improve this, further improve radiating effect.

Embodiment 7:

Shown in Fig. 7,11, the LED light source of the present embodiment and embodiment 1-6 institute difference are mainly: the present embodiment does not comprise the associated components on secondary cooling base and secondary cooling base.

The present embodiment LED light source mainly comprises main cooling base 701, be provided with at least one main fluid passageway 702 in the latter half of main cooling base 701, each main fluid passageway 702 is respectively equipped with in front end and the rear end of main cooling base 701 opening being communicated with outside, before and after forming, connects shape.

The rear end of the first half on main cooling base 701 is provided with a main filled chamber 703, the main fluid passageway 702 of main filled chamber 703 and each main cooling base 701 the latter halfs is relatively independent and be not connected, and the interior sealing respectively of main filled chamber 703 is filled with heat absorption filler.

In main filled chamber 703, be also provided with circuit cavity 704, in this circuit cavity 704, be provided with the control circuit plate module for powering to LED chip light source 705, apply in the course of work at the present embodiment LED chip light source 705 like this, the heat that the work of control circuit plate module is sent can pass to fast to the heat absorption filler in the main filled chamber 703 of outside, thereby avoids control circuit plate module excess Temperature and affect normal work.

Side in the first half of main cooling base 701 is also provided with LED fixed platform 706, in LED fixed platform 706, be fixed with can be externally luminous LED chip light source 705, now, the main fluid passageway 702 connecting before and after main cooling base 701 the latter halfs is positioned at the below in LED fixed platform 706.

With the fixing principle of LED chip light source 705 on main cooling base 701 in embodiment 1 in like manner, in the surrounding of this LED chip light source 705, in this LED fixed platform 706, be provided with lens 707, thereby make LED chip light source 705 be arranged in lens 707, by the three-dimensional encirclement of lens 707, now, the light that LED sends can externally send with the direction of determining under the luminous intensity distribution of lens 707 regulates, and reaches predetermined illumination object.The LED chip light source 705 that is for example arranged on main cooling base 701 sides can be, but not limited to can be for the dipped headlights of motorcycle or automobile or steamer.

Therefore, application the present embodiment technical scheme, due to main cooling base 701 inner chambers at the present embodiment are provided with can supplied gas or the fluid such as the liquid main fluid passageway 702 that flows to and flow out, therefore in the LED of main cooling base 701 chip light source 705 courses of work, the heat of LED chip light source 705 luminous generations conducts to and main cooling base 701, heat on main cooling base 701 is passed to the fluid of main fluid passageway 702 internal circulations, flowing to by fluid in main fluid passageway 702 flowed out and taken fast to outside, realizes the object of quick heat radiating.

Shown in Figure 7, the front end of the main fluid passageway 702 that can also connect in the front and back of the present embodiment connects a trumpet-shaped current-collecting device 708, being provided with of this current-collecting device 708 is beneficial to the flow that strengthens the fluid that enters main fluid passageway 702 interior circulations, be conducive to accelerate heat on main cooling base 701 conduction efficiency to the fluid flowing through in main fluid passageway 702, further improve radiating effect.

It should be noted that, the main fluid passageway 702 that is arranged on the front and back perforation of the main cooling base of the present embodiment 701 belows can be symmetrical two, and also can be, but not limited to is one.Can configure respectively a trumpet-shaped current-collecting device 708 for the main fluid passageway 702 that each front and back connect, also can be all trumpet-shaped current-collecting devices 708 of main fluid passageway 702 common connections, all main fluid passageway 702 pipeline common and this current-collecting device 708 is circulated, form the fluid fluid channel structure that front end enters to have more to rear end one.

In addition, the main fluid passageway 702 connecting taking straight line before and after arranging in the latter half of main cooling base 701 in the present embodiment describes as example, only limit to this but go forward side by side, in the present embodiment, can as embodiment 1,2,3 in like manner, in interior setting at least two main fluid passageway of main cooling base 701, each main fluid passageway is only at rear end or the front opening of main cooling base, and, arbitrary main fluid passageway interconnects with arbitrary another main fluid passageway in main cooling base in the opposite end of this main fluid passageway openend, forms convolution fluid passage.Now in main fluid passageway, form the convolution fluid passage of last-in, last-out or advance before the convolution fluid passage that goes out, flowing to and flowing out for fluid.

In the time that the main fluid passageway in main cooling base 701 forms convolution fluid channel structure, connection corner in two main fluid passageway that interconnect is arbitrarily round and smooth U-shaped, this U-shaped is designed with and is beneficial to the flow velocity of further raising fluid in main fluid passageway convolution junction, make flowing of fluid more smooth and easy, be conducive to further improve radiating effect.

In addition, no matter the main fluid passageway in main cooling base 701 connects the shape perforation shape that still circles round before and after being set to, with in embodiment 1 in like manner, primary blades can also be set each main fluid passageway 702 of the main cooling base 701 of the present embodiment is interior, each primary blades is extended and is given prominence in each main fluid passageway 702 from the inwall of each main fluid passageway 702.The arranging of each primary blades can further be improved main cooling base 701 and the contact area of fluid that flows through each main fluid passageway 702, guarantee that main cooling base 701 fully contacts with the fluid flowing through, be conducive to further be conducive to improve the heat conduction efficiency of main cooling base 701 to fluid, improve the radiating efficiency of the present embodiment LED light source.

In addition; with embodiment 1,2,4,5,6 in like manner; the top open part of the cavity that the light microscopic in the LED fixed platform 706 of the main cooling base 701 of the present embodiment on it forms can also further install euphotic cover additional; this euphotic cover both can be for having regulated the lighting effect of the LED chip light source 705 in it in application process, the object that can also be used for protection against the tide, prevent dust, anticollision has reached its interior LED chip light source 705 of protection.This euphotic cover can be installed according to actual needs also and can not install.

In addition, with embodiment 1,2,4,5,6 in like manner,, can also but be not limited to fill in the light microscopic on it forms in the LED of main cooling base 701 fixed platform 706 cavity the heat absorption material of light-permeable, conducted to fast the heat absorption material of its surrounding with the heat sending in LED chip light source 705 is worked luminescence process.

Embodiment 8:

Shown in Fig. 8,11,7 differences of the LED light source of the present embodiment and embodiment are mainly:

Shown in Figure 8, with embodiment 6 in like manner, drainage machine (or perfusion machine) 802 can also be set in the rear end of main cooling base 801.

The present embodiment is except the beneficial effect described in can obtaining embodiment 7, also further owing to being provided with drainage machine (or perfusion machine) 802 in the rear end of main cooling base 801, this drainage machine (or perfusion machine) 802 is worked under electric driving, can further accelerate to run through described in flowing through the flow velocity of the fluid of fluid passage, thereby further improve this, further improve radiating effect.

Embodiment 9:

Shown in Fig. 9,11,7 differences of the LED light source of the present embodiment and embodiment are mainly:

The present embodiment also comprises dismountable secondary cooling base 900, is also provided with the 2nd LED chip light source 9021 on the top of the front end of secondary cooling base 900.The secondary fluid channels (not marking in figure) of secondary cooling base 900 interior bottoms connects mutually with the main fluid passageway 702 of the main cooling base 701 of rear end, thereby forms in the inside of main cooling base 701 and secondary cooling base 900 the perforation fluid passage that front and back connect and front and back are communicated with outside respectively.

As a kind of preferred version, on secondary cooling base, a secondary filled chamber (not marking in figure) can also be set at the back side of the 2nd LED chip light source 9021, in secondary filled chamber, be filled with heat absorption material, further to strengthen the heat radiation to the 2nd LED chip light source 9021.

The present embodiment can be except having the beneficial effect of embodiment 1-8, also further because its secondary cooling base 900 is detachable, therefore be further conducive to adapt to different light scenes, user friendly application.

Embodiment 10:

Shown in Figure 10,11,8 differences of the LED light source of the present embodiment and embodiment are mainly:

The present embodiment also comprises: dismountable secondary cooling base 1000, is also provided with the 2nd LED chip light source 10021 on the top of the front end of secondary cooling base 1000.The secondary fluid channels (not marking in figure) of secondary cooling base 1000 interior bottoms connects mutually with the main fluid passageway 702 of the main cooling base 701 of rear end, thereby forms in the inside of main cooling base 701 and secondary cooling base 1000 the perforation fluid passage that front and back connect and front and back are communicated with outside respectively.

As a kind of preferred version, on secondary cooling base, a secondary filled chamber (not marking in figure) can also be set at the back side of the 2nd LED chip light source 9021, in secondary filled chamber, be filled with heat absorption material, further to strengthen the heat radiation to the 2nd LED chip light source 10021.

The present embodiment can be except having the beneficial effect of embodiment 1-8, also further because its secondary cooling base 1000 is detachable, therefore be further conducive to adapt to different light scenes, user friendly application.

Embodiment 11:

Shown in Figure 12, the LED light source of the present embodiment and embodiment 1-10 institute difference are mainly:

The present embodiment is on the basis of embodiment 1-10, end face and bottom surface at main cooling base 100 are respectively arranged with LED fixed platform 1001,1002, in each LED fixed platform 1001,1002, be respectively arranged with LED chip light source 1009,1000, and between this two relative LED fixed platform 1001,1002, two main fluid passageway 1003,1004 that left and right piles be set.

Wherein this two main fluid passageway 1003,1004 can be, but not limited to the perforation fluid passage, front and back being communicated with outside respectively into front and back, also can for respectively only at one end portion's opening interconnect in the other end form convolution fluid passage structure.

Can also be socketed installation cooling base in the outer difference of main cooling base 100.

The present embodiment technical scheme is except having the beneficial effect described in embodiment 1-10, also because its multiple sides at main cooling base 100 are respectively arranged with LED fixed platform 1001,1002, make the integral LED light source of the present embodiment can multiaspect multi-angle illumination, be suitable for different lighting angles and light scene demand.

The present embodiment illustrates as an example of circular main fluid passageway 1003,1004 example, but is not limited in this, can be, but not limited to main fluid passageway 1003,1004 to be set to rectangle or oval etc. in the time of application.

Be respectively arranged with main filled chamber 1005,1006 at the top of LED fixed platform 1001,1002, be sealed with respectively heat absorption material in main filled chamber 1005,1006 inside.

Or can also will main fluid passageway 1007,1008 be set respectively at the top of LED fixed platform 1001,1002, realize the heat radiation of the heat sending of the LED chip light source 1009,1000 in LED fixed platform 1001,1002 by the touring form of fluid.

Embodiment 12

Show referring to Figure 13, the LED light source difference from Example 9 of the present embodiment is mainly:

The main fluid passageway quantity arranging on the main cooling base 110 of the present embodiment further increases, it,, except being symmetrically provided with at main cooling base 110 center the main fluid passageway 1103,1104,1105,1106 that four bores are larger, is also further further arranging the main fluid passageway 1107 that bore is less between main fluid passageway 1103,1104,1105,1106 and between the LED fixed platform of main cooling base 110 end faces and bottom surface.

With embodiment 11 in like manner, each main fluid passageway can be, but not limited to the perforation fluid passage, front and back being communicated with outside respectively into front and back, also can for respectively only at one end portion's opening interconnect in the other end form convolution fluid passage structure.

The present embodiment is except the beneficial effect of several times of embodiment 9, also further because the main fluid passageway flowing through for fluid arranging in the present embodiment is more, make main cooling base 110 larger with the contact area of the fluid flowing through, further greatly improve the heat conduction efficiency of main cooling base 110 to the fluid flowing through, be conducive to further improve radiating effect.

The present embodiment illustrates as an example of the main fluid passageway of rectangle example, but is not limited in this, can be, but not limited to main fluid passageway and be set to circle or oval etc. in the time of application.

Embodiment 13

Show referring to Figure 14, the LED light source of the present embodiment and embodiment 11 differences are mainly:

The main cooling base 1201 of the present embodiment is for elliptic cylindrical is not square cylinder;

And the degree of depth in the LED fixed platform 1203,1204 of main cooling base 1201 tops and bottom is relatively shallow, and lens 1202,1205 and main filled chamber 1207,1208 (filling respectively oil heat absorption material therein) are stretched out respectively to the plane at main cooling base 1201;

Be not provided with the main fluid passageway for passing through for fluid in the outside of the LED of main cooling base 1201 fixed platform 1203,1204, and be only provided with symmetrically the main fluid passageway 1209,1200 of passing through for fluid in the left and right sides of main cooling base 1201.

It is basic identical with embodiment 9 that the present embodiment is obtained beneficial effect.

Embodiment 14

Referring to Figure 15, the LED light source of the present embodiment and embodiment 14 parts are mainly:

The cross section of the main cooling base 1301 of the present embodiment is: corner ovalize corner middle part, four of left and right is rectangular.

Wherein be positioned in the LED fixed platform of main cooling base 1301 tops and bottom, stretch out stretching out highly of the lens 1302,1305 of main cooling base 1301 platforms and main filled chamber can difference also can be identical.

It is basic identical with embodiment 11 that the present embodiment is obtained beneficial effect.

Embodiment 15

Referring to Figure 16, the LED light source of the present embodiment and embodiment 12 parts are mainly:

The cross section of the main cooling base 140 of the present embodiment is for circle is not rectangle;

And, relatively shallow in the degree of depth of the LED fixed platform 1403,1404 of main cooling base 140 tops and bottom, and the plane that lens 1402,1405 and main filled chamber 1407,1408 are stretched out at main cooling base 140.

It is basic identical with embodiment 10 that the present embodiment is obtained beneficial effect.

It should be noted that, the LED chip light source on main cooling base and secondary cooling base of being fixed in the present embodiment 1-13 can be the LED chip light source of various shapes, and the technical scheme that the present embodiment provides a kind of LED chip light source is as signal:

This LED chip light source is mainly made up of the LED wafer being fixed on metal base, when mounted, this metal substrate is in contact with one another on the main cooling base and secondary cooling base that is arranged on closely the present embodiment face-to-face.

The concrete structure of the LED chip light source on the main cooling base of the present embodiment and the secondary cooling base of installing is as follows:

Be provided with a pit at the end face of metal substrate; Insulating substrate is laid on top surface areas on metal substrate; On PCB insulating substrate, be equipped with cabling Copper Foil.A plurality of LED wafers are fixed in pit, and the insulating barrier of each LED wafer contacts with metal substrate face, and an electrode pin of each LED wafer is welded in respectively on metal substrate, and another electrode pin is electrically connected with cabling Copper Foil by each conductive lead wire respectively; Each LED wafer and conductive lead wire and fluorescent material are wrapped in silica gel filling part jointly.Application the technical program is conducive to realize high-power LED intense light source, and it is conducive to improve heat dispersion, and it is specially adapted to headlamp for vehicles and ships light source.In addition, the metal substrate on this enforcement LED chip light source directly adopts the main cooling base of master metal of the present embodiment and Metallic Pairs cooling base to replace realization.

It should be noted that, application the present embodiment technical scheme can also be unit by the LED light source of structure shown in embodiment 1-12, and by a LED light source matrix of multiple unit composition, further improves intensity of illumination and realize multi-angle luminous.

The technical scheme above embodiment of the present invention being provided is described in detail, applied principle and the embodiment of specific case to the embodiment of the present invention herein and set forth, the explanation of above embodiment is only applicable to help to understand the principle of the embodiment of the present invention; , for one of ordinary skill in the art, according to the embodiment of the present invention, in detailed description of the invention and range of application, all will change, in sum, this description should not be construed as limitation of the present invention meanwhile.

Claims

1. a LED light source, comprise: main cooling base, the latter half in described main cooling base is symmetrically provided with two symmetrical main fluid passageway, and each described main fluid passageway is communicated with outside respectively in the rear end of described main cooling base, it is characterized in that

Also comprise secondary cooling base and LED light source,

2. a kind of LED light source according to claim 1, is characterized in that,

In described secondary cooling base, be also provided with at least one secondary filled chamber, in each described secondary filled chamber, sealing is filled with heat absorption filler.

3. a kind of LED light source according to claim 1, is characterized in that,

In described main cooling base, be provided with at least two described main fluid passageway,

4. a kind of LED light source according to claim 3, is characterized in that,

Described cavity is the U-shaped protruding to the front end of described secondary cooling base.

5. a kind of LED light source according to claim 1, is characterized in that,

Each described main fluid passageway is not communicated with mutually at the front end of described main cooling base,

6. a kind of LED light source according to claim 5, is characterized in that,

Also be connected with a trumpet-shaped current-collecting device at the front end of each described secondary fluid channels, described current-collecting device is greater than and the area of the channel cross-section of the pipeline of described secondary cooling base junction at the area of the channel cross-section of the pipeline of described secondary cooling base front end.

7. according to a kind of LED light source described in claim 5 or 6, it is characterized in that,

On the inwall of each described secondary fluid channels, be also extended with respectively at least one back blades.

8. according to arbitrary described a kind of LED light source of claim 1 to 6, it is characterized in that,

On the inwall of each described main fluid passageway, be also extended with respectively at least one primary blades.

9. according to arbitrary described a kind of LED light source of claim 1 to 6, it is characterized in that,

10. according to arbitrary described a kind of LED light source of claim 1 to 6, it is characterized in that,

Also be socketed with the installation cooling base for being connected with outside outward at described main cooling base.

11. according to arbitrary described a kind of LED light source of claim 1 to 6, it is characterized in that,

In described main cooling base, be also provided with circuit cavity, in described circuit cavity, be provided with for the control circuit plate module to described LED chip light source power supply,

12. according to arbitrary described a kind of LED light source of claim 1 to 6, it is characterized in that,

When be provided with at the front end of described secondary cooling base can be externally luminous LED chip light source time, be also provided with diffuser at the front end of described secondary cooling base.

13. want arbitrary described a kind of LED light source of 1 to 6 according to right, it is characterized in that,

Be provided with in the side of described main cooling base can be externally luminous LED chip light source, specifically:

14. want a kind of LED light source described in 13 according to right, it is characterized in that,

In described LED fixed platform, be also provided with lens,

15. want a kind of LED light source described in 14 according to right, it is characterized in that,

In the cavity of described LED fixed platform and the formation of described lens, be filled with the heat absorption filler of light-permeable.

16. want a kind of LED light source described in 14 according to right, it is characterized in that,

The top open part of the cavity forming at described LED fixed platform and described lens is also provided with euphotic cover.

17. want a kind of LED light source described in 1 according to right, it is characterized in that,

18. want a kind of LED light source described in 17 according to right, it is characterized in that,

Described in relative any two, between LED chip light source, be provided with main fluid passageway described at least one.

19. 1 kinds of LED light sources, comprising: main cooling base,

In described main cooling base, be provided with main fluid passageway, each described main fluid passageway is communicated with outside respectively in the rear end of described main cooling base, be provided with LED fixed platform in the side of described main cooling base, in described LED fixed platform, be fixed with can be externally luminous LED chip light source, the bottom in described LED fixed platform is at least by main fluid passageway described in having;

It is characterized in that, two described main fluid passageway are symmetrically arranged on the latter half in described main cooling base, in described main cooling base, be also provided with at least one main filled chamber, each described main filled chamber is not connected with each described main fluid passageway respectively, and in each described main filled chamber, sealing is filled with heat absorption filler respectively.

20. LED light sources according to claim 19, is characterized in that,

21. LED light sources according to claim 20, is characterized in that,

Interconnect arbitrarily two described in the connection corner of main fluid passageway be round and smooth U-shaped.

22. LED light sources according to claim 19, is characterized in that,

Each described main fluid passageway is through to respectively the front end of described main cooling base along described main cooling base rear end.

23. LED light sources according to claim 19, is characterized in that,

Also be connected with a trumpet-shaped current-collecting device at the front end of each described main fluid passageway, described current-collecting device is greater than and the area of the channel cross-section of the pipeline of described main fluid passageway junction at the area of the channel cross-section of the pipeline of described main fluid passageway front end.

24. LED light sources according to claim 19, is characterized in that,

25. want a kind of LED light source described in 19 according to right, it is characterized in that,

26. want a kind of LED light source described in 19 according to right, it is characterized in that,

In described LED fixed platform, be also provided with lens,

27. want a kind of LED light source described in 26 according to right, it is characterized in that,

28. want a kind of LED light source described in 26 according to right, it is characterized in that,

29. want a kind of LED light source described in 19 according to right, it is characterized in that,

30. want a kind of LED light source described in 25 according to right, it is characterized in that,