CN103775960A - Cold-end direct radiating heat pipe LED lamp - Google Patents
Cold-end direct radiating heat pipe LED lamp Download PDFInfo
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- CN103775960A CN103775960A CN201410042622.0A CN201410042622A CN103775960A CN 103775960 A CN103775960 A CN 103775960A CN 201410042622 A CN201410042622 A CN 201410042622A CN 103775960 A CN103775960 A CN 103775960A
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- heat pipe
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- cold junction
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Abstract
The invention relates to a cold-end direct radiating heat pipe LED (Light-Emitting Diode) lamp which comprises heat pipes, LEDs, a driving power supply, an interface electrically connected with the outside and a control system. The cold-end direct radiating heat pipe LED lamp is characterized in that the surfaces of the hot ends of the heat pipes are in fit with the non-luminous surfaces of the LEDs and the non-luminous surfaces of the LEDs are directly in heat transfer connection with the hot ends of the heat pipes. According to the cold-end direct radiating heat pipe LED lamp disclosed by the invention, the hot ends of the heat pipes are directly in heat transfer connection with the LEDs and under the condition of directly radiating of the cold ends of the heat pipes, the shortest heat transfer approach from the LEDs to the environment only comprises heat transfer glue or elastic heat conduction films between the LEDs and the heat pipes and the heat pipes. By making folds at the cold ends of the heat pipes, the heat dissipating area can be greatly increased so as to meet the requirement on the heat dissipating area of a radiator.
Description
Technical field
The present invention relates to the cold junction heat pipe LED light fixture that directly dispels the heat.LED is that the English of lasing fluorescence diode is called for short, and can be regarded as the generally acknowledged technical term of the art.
Background technology
Adopt the LED light fixture of gravity assisted heat pipe, its general configuration should be that the hot junction heat transfer below heat pipe connects several LED.The Main Function that heat pipe here rises should be to realize heat flow density conversion and heat radiation.Relevant heat flow density is transformed to roughly and is transformed to approximately 0.06 watt/square centimeter from approximately 0.5 watt/square centimeter.
Investigate existing LED light fixture, all get 1 centimetre of 2(0.5*0.7*2+0.1.25*(7+5+7+5 by surface conductive entered environment, LED all surfaces are long-pending for one of them long * is wide for the LED of 5*7 millimeter, 0.6 watt of general power, light efficiency 21% and the energy except luminous)), its heat flow density of loading of dispelling the heat is 0.6*(1-0.21) 474 watts/centimetre 2 of/1=0..If do not adopt radiator, the surface temperature of LED can exceed 100 ℃.
Again, be the LED with radiator of 10 watts for a heat radiation load, in the flat cubic centimetre of area of dissipation 200 of its spreader surface, its heat radiation power density is 0. 05 watts/centimetre 2.Reference in contrast: the expose to the sun peak strength of penetrating of sunshine is about 1 Qian Wa/㎡ and closes 0.1 watt/centimetre 2.25 watts of incandescent light bulb that surface area is 170 centimetre 2, because glass cell-shell stops and absorption ultrared, obviously rise the temperature on glass cell-shell surface.Here, get 10 watts of heat radiation powers by glass cell-shell, its heat radiation power density of conducting by glass cell-shell is 0.0588 watt/centimetre 2 of 10/170 ≈.
The computing formula of object heat radiation power and heat-delivery surface temperature rise is:
Q=K*ΔT*S…………
In formula 1, Q is heat radiation power, and dimension is watt; K is the heat transfer coefficient from heat pipe cold end surfaces to air, and dimension is watt/(℃ * ㎡); Δ T is the intensification that air is heated, dimension be K or ℃; S is the area of the heat pipe cold junction that contacts with air, and dimension is square metre.
By Q=10, K=23 watt/(℃ * ㎡), S=0.02 ㎡ substitution; 21.74 ℃ of the temperature rise Δ T ≈ of described heat dissipation model.In the time of S=0.017 ㎡, obtain 25.58 ℃ of temperature rise Δ T ≈.Here all heat radiation load all with almost average temperature by with air heat-exchange entered environment.In fact, the numerical value of Coefficient K also comprises that with surface state clean conditions is relevant with emissivity.
For LED light fixture, its heat radiation approach from LED to air is more than incandescent lamp complexity.The temperature rise value of 30 ℃ of relative LED lamp radiator surface environment temperatures is got to 21.74 ℃, and the temperature of getting Heat Conduction Material between LED and heat pipe hot junction fall 2 ℃, the temperature of heat pipe hot junction tube wall fall 2 ℃, fall from heat pipe hot junction to the temperature of cold junction two phase flow heat transfer ignore, the temperature of heat pipe cold junction tube wall falls 1 ℃, the surface temperature of known described LED will reach 30+21.74+1+2+2=56.74 ℃.In view of the surface temperature of LED changes with environment temperature and itself heat flow density.When the peak of set environment temperature is that 30 ℃, heat transfer coefficient are set as 23 and the maximum temperature of LED while being 64 ℃, the heat pipe cold end area that every watt of heat radiation power needs is at least 15 square centimeters; Corresponding heat flow density is 0.0667 watt/centimetre 2.Under this operating mode, the LED10 light decay of ten thousand hours is expected lower than 20%; And existing minority LED light fixture inferior only one summer light decay will reach more than 50%.
Chinese patent 2008200495178 discloses a kind of high power hot pipe LED illuminating apparatus, include LED, pedestal, heat pipe, and be provided with heat abstractor, one side of pedestal is provided with one or more than one LED, and one end of heat pipe is that hot junction is connected with described pedestal, the other end is that cold junction is connected with described heat abstractor.Directly welding or fill heat-conducting silicone grease and without heat transfer medium in the middle of other, thermal resistance is relatively little between heat pipe and pedestal, heat transfer efficiency is high.Have simple in structure, good heat dissipation effect, the feature of reliable operation.But it adopts pedestal heat transfer connection LED that electric insulation layer need to be set and realizes electrical isolation; Its metal heat pipe cold junction configuration radiating fin plate as with the heat exchange interface of air, owing to also having temperature to fall between heat pipe cold junction and radiating fin plate, and the surface temperature of radiating fin plate is inhomogeneous, thereby has increased dispel the heat link and the heat exchange thermal resistance with air; Fin produces cost and is not easy to clean; Between metal heat pipe hot junction and LED, needing withstand voltage higher insulating barrier, itself there is thermal resistance in insulating barrier.LED surface is because of large, the same thermal resistance of heat flow density, and temperature is fallen can be many greatly.Because LED is to responsive to temperature, temperature exceedes 65 ℃ of LED can very fast decline.Therefore, cut down heat transfer link and the thermal resistance of the link that reduces to conduct heat just significant.
Summary of the invention
The object of the invention is to provide the cold junction heat pipe LED light fixture that directly dispels the heat.
The present invention realizes the technical scheme of its object: manufacture the cold junction heat pipe LED light fixture that directly dispels the heat, comprise heat pipe, LED, driving power, with extraneous electrical connection interface and control system.Between heat pipe and LED, contain or do not contain heat transfer substrate.Heat pipe comprises shell, blast pipe, working medium and liquid-sucking core net.Heat pipe cold junction with or without pleated.Comprise two core electric wires or bulb screw mouth connector with extraneous electrical connection interface.When described LED color or colour temperature are while being constant, the multiple LED that form described color or colour temperature comprise that three-primary color LED can only realize with one group of two wire and extraneous electrical connection with extraneous; When described LED color or colour temperature are while being adjustable, the multiple LED that form described color or colour temperature comprise that three-primary color LED adopts respectively one group of two wire to realize and extraneous electrical connection with extraneous separately.Heat pipe package each several part is seamless to be melted to be sealed and connects as one; The hot end surface of heat pipe matches with the non-light-emitting area of LED and the non-light-emitting area of LED is connected with heat pipe hot junction direct heat transfer; Heat pipe cold junction is without wing plate.
Can also make outside, heat pipe hot junction contain LED circuit plate.The outer surface in the inner surface of LED circuit plate and heat pipe hot junction matches.LED circuit plate comprises insulated substrate and is made in conducting wire, LED linkage interface, circuit board enhancement Layer and the mesh on insulated substrate.LED linkage interface comprises soldering interface.LED linkage interface is used for connecting LED; Between LED linkage interface and heat pipe, adopt Design on thermal insulation.Enhancement Layer comprises the stephanoporate steel plate or the elasticity web plate that are embedded in insulated substrate inside.Adopt enhancement Layer can significantly strengthen rigidity and the stability of LED circuit plate.Suitable mesh can reduce for being enclosed with of heat pipe and is beneficial to heat radiation.Between LED circuit plate and driving power, realize both connections by several wire cable, described both connection comprises that mechanical connection, electrical connection and the binding of opposite heat tube are simultaneously connected.Described both connection comprises by the cable linkage interface of LED circuit plate or driving power periphery and realizing; Cable linkage interface comprises that cable is wound around stub.Conventionally, cable is fixed on heat pipe by binding material bonding, and cable can also adopt fillet metal forming to reduce the projection on phase opposite heat tube surface sometimes.Or, the structure that makes described driving power adopt driving power main body to be connected with a driving power base.Driving power main body configuration contact chip, driving power base configuration cable buckling groove.After driving power main body and driving power base are connected, described contact chip and described cable buckling groove are realized electrical connection.And adopt with cable joint end and serial connection/and be connected to the fast wiring cable of elastic component.Described serial connection refers to that described elastic component is connected in series with cable and described elastic component flows through the electric current identical with described cable; Described and connect that the two ends that refer to described elastic component are connected with the cable of a segment length affluence and not current flowing or flow through less electric current of described connector.Fast wiring cable has sufficiently high tensile strength; Elastic component comprises one section of spring.Make described cable joint end be connected with the clamping of described cable buckling groove.Comprise being connected between LED circuit plate and fast wiring cable and being welded to connect or fast-assembling connects.Fast-assembling connects and comprises that above-mentioned clamping connects.
Can also make LED circuit plate contain some LED hole, the edge in LED hole contains two places above and LED linkage interface; LED is arranged in described LED hole and with Heat Conduction Material and comprises that elastic conducting hotting mask conducts heat and is connected with heat pipe hot junction with transparent heat conduction binding material.
Can also make the LED linkage interface on LED circuit plate is stainless sheet steel on a wiring board being arranged on wiring board; The stainless sheet steel stitch welding plain film with corrugated changeover portion is contained respectively at LED two ends; Two stainless sheet steels are the position that is welded to connect that on wiring board, stainless sheet steel and stitch welding plain film are superimposed with each other and contain laser stitch welding.
Can also make LED circuit plate comprise flexible PCB.
And order and heat pipe hot junction pass hot linked LED surface and contain shape and the identical elastic conducting hotting mask of heat pipe hot end surface; Heat pipe contains the linkage interface with LED circuit plate and driving power or driving power base, and linkage interface comprises the interface that is threaded with LED circuit plate and driving power or driving power base; Linkage interface also comprises that the positioning step of more than one outwardly convex and LED circuit plate and driving power or driving power susceptor surface contain respectively the linkage interface matching with described positioning step surface; Or,
The laminating fin or the laminating groups of fins that adopt some and heat pipe cold junction to conduct heat to be connected; Order passes hot linked LED surface with heat pipe hot junction, and described laminating fin or laminating groups of fins and surface, heat pipe contact position are contained heat-conducting glue or contained shape and elastic conducting hotting mask that heat pipe hot end surface is identical; Heat pipe contains the linkage interface with LED circuit plate and driving power or driving power base, and linkage interface comprises the interface that is threaded with LED circuit plate and driving power or driving power base; Linkage interface also comprises that the positioning step of more than one outwardly convex and LED circuit plate and driving power or driving power susceptor surface contain respectively the linkage interface matching with described positioning step surface.
Can also make LED wiring board contain one end band hitch and not be connected in series the fast wiring cable of elastic component; Driving power base contains a carbine with retractility; Described fast wiring cable and described carbine socket realization and electric and mechanical connection between the two; Or LED wiring board contains one end band hitch and is not connected in series the fast wiring cable of elastic component; Driving power base contains a diving board hook with flexibility; Described fast wiring cable and described diving board rhampotheca connect the electric and mechanical connection of realizing with between the two.
Can also make LED two ends respectively contain a heat pipe package jump ring part, jump ring part comprises two reeds, and the free end of each reed respectively contains more than one contact pin.Jump ring part conducts heat and is connected with heat pipe hot junction; Contact pin can insert a Plug pin patch bay and realize electrical connection between the two.
The cold junction of the present invention heat pipe LED light fixture that directly dispels the heat can also comprise an even mating plate; An even mating plate magnetic linkage interface is respectively contained in the hot junction of heat pipe or hot junction boundary and even mating plate inner side; The material of described magnetic linkage interface comprises: paramagnetic material+permanent-magnet material or permanent-magnet material+permanent-magnet material; Described two even mating plate magnetic linkage interface magnetic connect.
Can also adopt an above heat pipe, comprise the heat pipe with more than one cold junction, the U-shaped tubular heat tube with two cold junctions, comprise two main cold junctions of U-shaped tubulose and the many cool side heat pipes at main cold junction Shang Pangjie branch cold junction with main cold junction; Described each cold junction comprise pull out straight upwards, helical buckling upwards with serpentine bend cold junction upwards; All LED are arranged in each heat pipe hot junction according to heat radiation load sharing.
Can also make heat pipe cold junction not contain special fin; Or heat pipe cold junction has bigger serface surface and comprises pleated.
Beneficial effect of the present invention: cold junction of the present invention its heat pipe cold junction of heat pipe LED light fixture that directly dispels the heat directly dispels the heat, the shortest heat transfer glue or elastic insulated heat conducting film and the heat pipe only comprising between LED and heat pipe of its heat transfer path from LED to environment.Actual effect is: on average reduce under 50 to 70% prerequisites at heat-pipe radiator or even radiator cost, the service life of light decay 20% extending to more than 7 years for average 2 to 3 years from existing heat-pipe radiator or cast aluminium radiator product.The non-ferrous metal that cast aluminium radiator relates to is cast into major source of pollutant; And the carrying capacity of environment of heat pipe processing is insignificant, environmental benefit is obvious.The heat pipe cold junction with bigger serface is included in heat pipe cold junction and makes and pleatedly can increase considerably operating temperature and the cost that area of dissipation further reduces LED and increase few.
The cold junction of the present invention heat pipe LED light fixture that directly dispels the heat does not adopt fin only to rely on heat pipe cold junction heat radiation and adopts compared with the heat pipe LED light fixture of fin and has advantages of surperficial easy cleaning.In thermotube wall Tu photocatalyst of titanium dioxide coating processed, the organic matter dirt that can utilize the light last decomposition of light fixture to contact with described coating of titanium dioxide, plays the effect of automated cleaning.
Heat pipe LED light fixture adopts fast wiring cable to form dismountable type structure and is convenient for changing the heat pipe that different shaping comprises the moulding of imitation animals and plants, increases amusement temperament and interest.Flowing or some new contents being set of high transparent heat pipe inner utilization steam can obtain some brand-new experience.
LED circuit plate is connected with the heat transfer of heat pipe and LED and extraneous electrical connection provide an integrated platform for LED.
LED hole is set on LED circuit plate LED can be directly connected with adopting heat pipes for heat transfer, contribute to realize heat transfer resistance and minimize.Adopt laser weld LED firm welding, can realize at normal temperatures, the thermal shock of welding process opposite heat tube tube wall is little.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is a heat pipe LED fitting structure schematic diagram that adopts single heat pipe.
Fig. 2 is the LED circuit plate structure schematic diagram of a heat pipe LED light fixture, is the front of Fig. 1 LED circuit plate is described.
Fig. 3 is a heat pipe structure schematic diagram with round table-like cold junction, is the special description to Fig. 1 heat pipe.
Fig. 4 is the structural representation of facing that a heat pipe LED light fixture adopts laser stitch welding LED stitch welding plain film.
Fig. 5 is the upper TV structure schematic diagram that a heat pipe LED light fixture adopts laser stitch welding LED stitch welding plain film.
Fig. 6 be a heat pipe with the heat pipe LED fitting structure schematic diagram of driving power base and LED circuit plate linkage interface.
Fig. 7 is the special description to heat pipe in Fig. 6.
Fig. 8 is a structural representation that fast wiring cable is connected with carbine.
Fig. 9 is a structural representation that fast wiring cable is connected with diving board hook.
Figure 10 is that jump ring part and the heat pipe plug-in of a LED conducts heat and be connected and face structural representation with Plug pin patch bay is electrically connected.
Figure 11 is jump ring part and the heat pipe plug-in of the LED side-looking structural representation that is connected and is electrically connected with Plug pin patch bay that conducts heat.
Figure 12 is the structural representation of the light fixture of cool side heat pipes LED more than.
Figure 13 be one with the upwards heat pipe expanded view of the U-shaped distortion tubulose heat pipe LED light fixture of cold junction of two serpentine bends.
Figure 14 be one with the upwards plan structure schematic diagram of the U-shaped distortion tubulose heat pipe LED light fixture of cold junction of two serpentine bends.
Figure 15 is a heat pipe expanded view that is tilted to the U-shaped distortion tubulose heat pipe LED light fixture of upper cold junction with two equal angles.
Figure 16 is a plan structure schematic diagram that is tilted to the U-shaped distortion tubulose heat pipe LED light fixture of upper cold junction with two equal angles.
Figure 17 and 18 is respectively the plan structure schematic diagram of a sleeve type heat-pipe LED light fixture and faces sectional structure schematic diagram.
Figure 19 is the structural representation of a heat pipe LED shot-light.
Figure 20 is the structural representation of a LED wall lamp.
Figure 21 is the structural representation of the imitative crystal pendant lamp array of a LED.
Figure 22 is the composite construction schematic diagram of a LED lamp affixed to the ceiling, and top is top view; Bottom is front view.
Figure 23 is the side-looking structural representation of heat pipe LED traffic lights.
Figure 24 is the backsight structural representation of heat pipe LED traffic lights.
Figure 25 is the structural representation of a upper half paraboloid rotary body chuck heat pipe LED light fixture.
Figure 26 is the structural representation of a back-off parabola rotary body heat pipe LED light fixture.
Figure 27 is the structural representation of facing of a Platelike heat pipe LED light fixture.
Figure 28 is total line frame graph of a heat pipe LED lamp control system.
1. heat pipes in figure; 2.LED; 3. driving power base; 4. driving power main body; 5. with extraneous electrical connection interface; 6. even mating plate; 7. blast pipe; 11.LED circuit board; 12. conducting wires; 13. control systems; 14. cable buckling grooves; 15.LED linkage interface; 16. cable joint ends; 17. elastic components; 18. fast wiring cables; 19.LED hole; 20. contact chips; 21. magnetic couplings; 22. conductive bonding materials; 23. corrugated changeover portions; 24. stitch welding plain films; 25. man-machine interfaces; 26,27. positioning steps; 28,29. interfaces that are connected; 30. laminating fin; 31. steel wire hairsprings; 32. carbines; 33. diving board hooks; 34. jump ring parts; 35. contact pins; 36. Plug pin patch bay; 38. hot junctions; 39. main cold junctions; 40. cold junctions; 41. clips; 42. driving powers; 43. is pleated; 44. condensers; 45. housings; 46. guide rail bases; 47. joint faces; 49. chutes; Half paraboloid rotary body chuck on 50.; 51. times half paraboloid rotary bodies; 52. parabola rotary body chucks; 53. liquid-sucking core nets; 54. support members; 55. foaming materials; 61. governor circuits; 62. memories; 63. user-machine interface circuit; Three driving power controller interface circuits of 64. three-primary color LEDs; 65. optical signals receive and transmitter module interface circuit; 66. camera head microphones are subject to sound device interface circuit; 67. buses.
The specific embodiment
Fig. 1 to 3 provides first embodiment of the invention jointly.
In Fig. 1 to 3, heat pipe LED light fixture comprise heat pipe 1, LED2, driving power base 3, driving power main body 4, with extraneous electrical connection interface 5, even mating plate 6 and control system 13.Heat pipe 1 comprises shell, blast pipe 7 and working medium; Control system 13 comprises man-machine interface 25; Between man-machine interface 25 and control system governor circuit, can make wired or wireless signal is connected.Can also liquid-sucking core net be set in heat pipe 1 inside as required.Working medium comprises water and ethanol.As frozen in fruit product use occasion and storage and transport process, can select ethanol as working medium.Adopt bulb screw mouth and the electric wire that can use screw lamp holder with extraneous electrical connection interface 5.Heat pipe 1 shell each several part is seamless to be melted to be sealed and connects as one.The hot end surface of heat pipe 1 and the surface of LED2 match.Heat pipe 1 cold junction is without pleated and do not adopt fin.LED2 conducts heat and is connected with heat pipe 1 hot junction.In Fig. 1 to 3, arrow inwards represents heat pipe hot junction side by side, and heat pipe hot junction absorbs heat energy; Outside arrow represents heat pipe cold junction side by side, heat pipe cold junction releasing heat energy.
LED circuit plate 11 is contained in heat pipe 1 outside, hot junction.LED circuit plate 11 comprises insulated substrate and is made in conducting wire 12, cable buckling groove 14, LED linkage interface 15 and the enhancement Layer on insulated substrate.Enhancement Layer adopts stephanoporate steel plate to be embedded in insulated substrate inside.Stephanoporate steel plate enhancement Layer is lightweight, intensity is guaranteed, its hollow sectors does not affect conductor and passes through LED circuit plate 11.At least two above conducting wire 12, places are not directly electrical connection each other.The outer surface in the inner surface of LED circuit plate 11 and heat pipe 1 hot junction matches.The periphery of LED circuit plate 11 and driving power base 3 contains many places cable buckling groove 14.The fast wiring cable 18 of some two ends band cable joint ends 16 and middle serial connection elastic component 17, by 16 clampings of its cable joint end connect cable buckling groove 14 on LED circuit plates 11 and driving power base 3 realize electrical connection between LED circuit plate 11 and driving power base 3 and, LED circuit plate 11, driving power base 3 and heat pipe 1 three's mechanical connection.LED linkage interface 15 for and LED2 between electrical connection comprise and being welded to connect.Fast wiring cable 18 can comprise that transparent sticky paper bonding is fixed on heat pipe 1 with binding material.
Driving power main body 4 is connected with driving power base 3 and comprises and being threaded.After driving power main body 4 is connected with driving power base 3, driving power main body 4 is electrically connected by contact chip 20 and the cable buckling groove 14 on driving power base 3; Light LED2 thereby connect.
Even mating plate 6 is by being arranged at permanent magnetism magnetic coupling 21 on even mating plate 6 and being arranged at the mutual magnetic of permanent magnetism magnetic coupling 21 on heat pipe 1 and realizing and being connected of heat pipe 1.Described setting comprises the pre-buried of moulding and bonding.
Fig. 4 and Fig. 5 provide second embodiment of the invention jointly.
In Fig. 4 and Fig. 5, post a LED circuit plate 11 in heat pipe 1 hot junction.On LED circuit plate 11, be provided with conducting wire 12 and cable buckling groove 14,14 clampings of cable buckling groove connect the cable joint end 16 of fast wiring cable 18.On LED circuit plate 11, be also provided with LED hole 19 for settling LED2.
Be made in stainless sheet steel on the wiring board that LED linkage interface 15 on LED circuit plate 11 adopts 0.4 millimeter of thickness.Between LED linkage interface 15 and glass heat pipe 1, adopt Design on thermal insulation to alleviate thermal shock and the heat transfer to glass heat pipe 1.On the contact-making surface of LED2 and glass heat pipe 1, Tu is shaped with heat conduction binding material 22.LED2 two ends are stacked up and down by stainless sheet steel on the stitch welding plain film 24 with corrugated changeover portion 23 and LED linkage interface 15 wiring boards respectively.The corrosion resistant plate that is stacked that two thickness is 0.4 millimeter adopts laser to carry out stitch welding.On stitch welding plain film 24 and linkage interface 15 wiring boards, the gauge of stainless sheet steel can regulate.On LED linkage interface 15 wiring boards, stainless sheet steel will experience laser weld, and therefore the embedding enhancement Layer of LED circuit plate 11 of its below should retain steel plate.
Adopt 3 stitch welding on the stitch welding plain film 24 of describing in multiple spot stitch welding such as Fig. 5 can increase the reliability being welded to connect.Employing can slow down negative effect that the harmful stress that may exist between LED2 and LED circuit plate 11 produces, can slow down unfavorable mechanicals efforts, thermal shock and heat transfer to glass heat pipe 1 with the stitch welding plain film 24 of corrugated changeover portion 23.
Fig. 6 and Fig. 7 provide third embodiment of the invention.
In Fig. 6 and 7, heat pipe LED light fixture comprise heat pipe 1, LED2, driving power base 3, driving power main body 4 and with extraneous electrical connection interface 5.LED circuit plate 11 is contained in heat pipe 1 outside, hot junction.Be installed on the surface that the LED2 on LED circuit plate 11 contacts with heat pipe 1 and contain elastic conducting hotting mask.The object that elastic conducting hotting mask is set is for through repeatedly more still keeping heat-transfer behavior good between heat pipe 1 and LED after heat exchanger tube 1.The positioning step 26 and 27 that heat pipe 1 contains more than one outwardly convex at the position contacting with LED circuit plate 11 with driving power base 3 is as linkage interface.The shape of positioning step 26 and 27 can be circular or other shapes.Driving power base 3 and LED circuit plate 11 contain respectively the interface 28,29 that is connected with heat pipe 1 positioning step 26 and 27.Positioning step 26 and 27 and the interface 28,29 that is connected can also be deformed into the interface that is threaded cooperatively interacting.The periphery of driving power base 3 adopts many places cable buckling groove 14.Some be electrically connected with LED circuit plate 11, with cable joint end 16 and be connected in series the fast wiring cable 18 of elastic component 17, connect the cable buckling groove 14 on driving power bases 3 by 16 clampings of its cable joint end, realize the electrical connection between driving power base 3, LED circuit plate 11 and heat pipe 1 three's connection and driving power base 3 and LED circuit plate.
Adopt the cable clamping of Fig. 6 and Fig. 7 embodiment to connect soon mode, can facilitate the free-hand more heat exchanger tube 1 of junior school student.The structure that adopts driving power base 3 to be connected with driving power main body 4 also can be used for the upgrading of LED light fixture, just can realize the software and hardware upgrade to LED light fixture as long as change driving power main body 4.Can higher LED, LED circuit plate and the heat pipe of reserve value when the upgrading of LED light fixture.
In Fig. 6 and Fig. 7 embodiment, can also stick on laminating fin 30 or laminating groups of fins and bind round and fixed with steel wire hairspring 31 at the cold junction outer surface of heat pipe 1.Laminating fin 30 contains heat-conducting glue or is provided with elastic conducting hotting mask with the contact position of heat pipe 1.
Fig. 8 provides four embodiment of the invention.
In Fig. 8, when the fast wiring cable 18 of one end band hitch is connected with driving power footing foundation at one and the carbine 32 with retractility is left behind, cover is buckled in the electric and mechanical connection of realizing on carbine 32 with carbine 32.Here, fast wiring cable 18 omits the elastic component 17 using in embodiment 3.
Fig. 9 provides fifth embodiment of the invention.
In Fig. 9, when the fast wiring cable 18 of one end band hitch is connected with driving power footing foundation at one and the diving board hook 33 with retractility is left behind, cover is buckled in the electric and mechanical connection of realizing on diving board hook 33 with diving board hook 33.Here, fast wiring cable 18 omits the elastic component 17 using in embodiment 3.
Fig. 8 and Fig. 9 embodiment facilitate fast-assembling, maintenance, upgrading and the pattern variation of heat pipe LED light fixture of the present invention.
Figure 10 and Figure 11 provide sixth embodiment of the invention jointly.
In Figure 10 and Figure 11, a heat pipe package jump ring part 34 is respectively contained at LED2 two ends, and jump ring part 34 contains two reeds, and the free end of each reed respectively contains contact pin 35.Jump ring part 34 conducts heat and is connected with heat pipe 1 hot junction.For improving heat transfer efficiency, the upper surface contacting with heat pipe of LED2 can be guided hot adhesion material or elastic conducting hotting mask is set by Tu.Contact pin 35 can insert the electrical connection of 36 realizations of a Plug pin patch bay coordinating with it and Plug pin patch bay 36.
The advantage of jump ring part 34 comprises simplification or has omitted LED circuit plate.Figure 10 and Figure 11 embodiment are also applicable to the LED light fixture of strip, the LED2 needing only at a long heat pipe hot junction equal strap jump ring part 34 in this case.
Figure 12 provides seventh embodiment of the invention.
In Figure 12, heat pipe LED light fixture comprise heat pipe 1, LED2 and with extraneous electrical connection interface 5.The hot junction 38 of heat pipe 1 is in the form of annular discs, melts to seal to be connected in hot junction 38 upper surface perforates and with main cold junction 39.The other some branches cold junction 40 that connects of main cold junction 39, the heat pipe 1 of formation cold junction more than.Periphery in heat pipe 1 hot junction 38 is connected and fixed LED circuit plate 11 with several clips 41.Be arranged at main cold junction 39 tops with extraneous electrical connection interface 5 bulb screw mouths.The blast pipe of heat pipe 1 is arranged at main cold junction 39 upper port places.
Many cool side heat pipes of Figure 12 embodiment LED light fixture can be got less volume in the certain cold junction area situation of maintenance.Because the tube that diameter is 150 millimeters is identical with its cylindrical portion external surface area of contour tube of 30 millimeters of 5 diameters, but both volumes can differ manyfold.
Figure 13 and Figure 14 provide eighth embodiment of the invention jointly.
In Figure 13 and Figure 14, conduct heat and be connected with LED2 in the hot junction 38 of the U-shaped distortion tubular heat tube 1 of the cold junction 40 with two serpentine bend sections.The heat pipe cold junction 40 of nexine is narrower to be represented with light color.Outer field heat pipe cold junction 40 is wider to be represented by dark color.Can conduct heat and connect more than one LED2 in each hot junction 38.All LED2 are arranged in heat pipe 1 hot junction 38 according to heat radiation load sharing.Blast pipe can be arranged at the upper port place of nexine or outer arbitrary cold junction.
The U-shaped distortion tubular heat tube 1 of in Figure 13 4 cold junction 40 with two serpentine bend sections is arranged symmetrically with and forms a cylindrical body, the U-shaped distortion tubular heat tube 1 that is each cold junction 40 with two serpentine bend sections respectively occupies the about quadrant round angle of described cylindrical body, and this can see more intuitively in Figure 14 plan structure schematic diagram.
Equally, can also make the U-shaped distortion tubular heat tube 1 of the cold junction with two serpentine bend sections 40 in Figure 13 and Figure 14 embodiment respectively occupy described cylindrical body approximately 1/2nd or 1/3rd or 1/5th or 1/6th angles of circumference.
The LED light fixture of employing serpentine bend cold junction 40 upwards it highly can only have employing to pull out 30% of straight upwards cold junction.
The heat pipe LED light fixture of Figure 13 and Figure 14 embodiment also can only use single heat pipe 1 and its hot junction 38 is extended to and approaches a circle, arranges multiple LED2 on heat pipe hot junction 38.
Figure 15 and Figure 16 provide ninth embodiment of the invention jointly.
In Figure 15 and Figure 16, conduct heat and be connected with LED2 in the hot junction 38 of stretching the U-shaped distortion tubular heat tube 1 of cold junction 40 upwards with two equal angles.The heat pipe cold junction 40 use light color of nexine represent.Outer field heat pipe cold junction 40 use dark colors represent.Can conduct heat and connect more than one LED2 in each hot junction 38.All LED2 are arranged in heat pipe 1 hot junction 38 according to heat radiation load sharing.Adopt equal angles be tilted to cold junction 40 LED light fixture its highly can only have to adopt and pull out 30% of straight upwards cold junction.
Figure 15 and the number of the U-shaped distortion tubular heat tube 1 of the cold junction with two serpentine bend sections 40 in Figure 16 embodiment can also be expanded as multiple and make it respectively occupy described self cylindrical body approximately 1/2nd or 1/3rd or 1/4th or 1/5th angle of circumference according to himself mutually nested layout in the even interval of cylindrical body.
Figure 13,14 and the heat pipe LED light fixture of Figure 15,16 liang of embodiment be applicable to making LED shadowless lamp.Shadowless lamp needs constantly its spatiality of conversion.Even adopt multiple U-shaped distortion tubular heat tubes Astral lamp light show up do positive and negative 29 degree tilt time, still can guarantee that the working medium of its cold junction normally refluxes.Adopt the applicable production in enormous quantities of bending pipe manufacture heat pipe and yield rate high.Part heat pipe or LED damage complete machine endure.
The heat pipe LED light fixture of Figure 15 and 16 embodiment can also elongate its heat pipe hot junction 38 to approaching a circle and arrange multiple LED2 on hot junction 38.
Figure 17 and 18 provides the of the present invention ten embodiment jointly.
In Figure 17 and 18, heat pipe LED light fixture comprise heat pipe 1, LED2, driving power 42, with extraneous electrical connection interface 5 and control system 13.Control system 13 comprises man-machine interface 25; Man-machine interface 25 and control system 13 wireless connections.LED circuit plate 11 is contained in heat pipe 1 outside, hot junction.Heat pipe 1, for logical jacket structured in two, contributes to hollow space hot-air to accelerate to rise and strengthens cold end surface heat exchange.Surface as the internal layer jacket pipe of cold junction 40 contains multiple pleated 43.Driving power 42 is arranged in the inside of heat pipe 1, can adopt bonding connection mode to realize and being connected with heat pipe 1.The blast pipe 7 of heat pipe 1 is arranged in chuck inwall.
Pleated in inner tube in Figure 17 and 18 embodiment can increase at most nearly 30% area of dissipation, can reduce on year-on-year basis 4 to 6 ℃ of the temperature of LED2.
Figure 19 provides eleventh embodiment of the invention.
In Figure 19, heat pipe LED shot-light comprise heat pipe 1, LED2, driving power 42,, and extraneous electrical connection interface 5 and control system 13, condenser 44 and housing 45.With extraneous electrical connection interface 5 be twisted-pair feeder; Control system 13 comprises man-machine interface 25; Man-machine interface 25 and control system 13 wireless connections.38 places, heat pipe 1 hot junction improve with the heat transfer efficiency of LED2 to be processed into rectangular cross section.Heat pipe 1 cold junction 40 is got the integrally bending that serpentine bend dullness stretches upwards and do to adapt to condenser 44 and housing 45 and is refluxed to guarantee working medium.Heat pipe 1 is arranged in condenser 44 rear sides in housing 45 together with driving power 42.Condenser 44 collects light and forms shot-light effect.
Be necessary to emphasize: the hot end surface of heat pipe of the present invention is to improve can partial operation become plane or almost plane with the heat transfer efficiency of LED2.At this moment the cross section that is processed into the heat pipe package of plane or almost plane, can be for comprising a straight line corresponding with plane and other various shapes.
Figure 20 provides twelveth embodiment of the invention.
In Figure 20, LED wall lamp comprise sleeve type heat-pipe 1, LED2, with extraneous electrical connection interface 5, driving power 42 and control system.Control system comprises man-machine interface 25; Man-machine interface 25 and control system wireless connections.Translucent adhesive such as silica gel bonding for the light-emitting area of LED2 and sleeve type heat-pipe 1 hot junction.The light-emitting area of LED2 and heat pipe 1 hot junction bonding.The light that LED2 sends irradiates by the tube wall of two-layer heat pipe 1.In four surfaces of heat pipe 1 two-layer tube wall, there is an effect that plays above even mating plate through frosted processing.
Figure 21 provides thirteenth embodiment of the invention.
In Figure 21, the imitative crystal pendant lamp array of LED comprises heat pipe 1, LED2, cup-shaped even mating plate 6 and driving power 42, and adopts flexible cord to be connected with extraneous power supply.
Figure 21 embodiment is because LED remains good operating mode, and light decay is slow.Thereby contribute to keep for a long time photochromic uniformity.Can give the impression of crystal pendant lamp very high quality.
Figure 22 provides fourteenth embodiment of the invention.
In Figure 22, LED lamp affixed to the ceiling comprises heat pipe 1, LED2, driving power 42 and housing 45.The hot junction 38 of heat pipe 1 is roughly bent into a round rectangle and arranges and conduct heat and be connected with each LED2 along housing 45 surrounding inner sides.Two cold junctions 40 of heat pipe 1 start respectively upwards to coil a circle with the form of round rectangle from the two ends in hot junction 38 many.Cold junction 40 represents with thicker solid line and dotted line and thinner solid line and dotted line respectively in two views.The finished product of Figure 21 embodiment, 40 watts of LED lamp powers, it highly can be only 35 millimeters, and it is 0.9 kilogram that its weight alleviates from 3.2 kilograms of same specification cast aluminium radiator light fixture; Heat-sinking capability is also improved largely.
Figure 23 and 24 provides fifteenth embodiment of the invention jointly.
In Figure 23 and 24, heat pipe LED traffic lights comprise heat pipe 1, LED2, driving power 42, housing 45, guide rail basis 46 and heat pipe chute-type installation interface.Heat pipe 1 comprises plane hot junction 38 and a shaft-like cold junction 40 with level inclination, a large perpendicular of each plane hot junction 38 splicing composition, the i.e. display interface of positive bonding LED2 composition above in each plane hot junction 38.Chute-type installation interface is aluminium profile member, comprises that one can coordinate the chute 49 being slidably connected with guide rail basis 46, two, both sides with the joint face 47 of heat pipe 1 plane hot junction 38 back side bonding connections and two of both sides.When maintenance, can directly pull out heat pipe chute-type installation interface along guide rail basis 46.Heat pipe 1 is bonded on joint face 47.LED2 is pasted on heat pipe 1 front, hot junction with heat-conducting glue.The hot junction of a heat pipe 1 multiple LED2 that can bond comprise the LED2 that sends different colours light.In the time of the LED2 of three kinds of different colours light of the hot junction of a glass heat pipe 1 bonding, can manufacture three look one is traffic lights.The traffic lights of three look one are saved material.
In Figure 23 and 24 embodiment, heat pipe 1 adopts the shaft-like cold junction 40 stretching out backward, both can dispel the heat sufficiently uniformly, is applicable to again the requirement of the intensive installation of traffic lights LED2 larger area.
Figure 25 provides sixteenth embodiment of the invention.
In Figure 25, upper half paraboloid rotary body chuck heat pipe LED light fixture comprises that half paraboloid rotary body chuck 50 is heat pipe 1, LED2, lower half paraboloid rotary body 51 and driving power 42.Interior half chuck of upper half paraboloid rotary body chuck 50 heat pipes 1 is got roughly parabola rotary body shape, its form a complete roughly parabola rotary body together with lower half paraboloid rotary body 51 and on described parabola rotary body Tu minute surface processed, described parabola minute surface is converted to a light beam roughly for light that spot light LED2 is sent.
Figure 25 embodiment utilizes half paraboloid rotary body chuck 50 as heat pipe, can obtain the area of dissipation of 100 to 300 square centimeters, and the LED light fixture that is applicable to 8 to 25 watts comprises mine lamp, car light and small projector light fixture.Its lower half-body of revolution 51 can adopt plastics or metal to make.As required, can suitably be out of shape described parabola rotary body.
Figure 26 provides seventeenth embodiment of the invention.
In Figure 26, the parabola rotary body heat pipe LED light fixture of back-off comprises that the parabola rotary body chuck 52 of a back-off is heat pipe 1, LED2 and driving power 42.The inner side of the parabola rotary body chuck 52 of back-off is a parabola rotary body, on described parabola rotary body, is manufactured with minute surface, and described minute surface is converted to a light beam roughly for the light that spot light LED2 is sent.The bead of parabola rotary body chuck 52 is level and smooth and have the width suitable with LED2 width and be connected LED2 for conducting heat.Electrical connection interface 5 adopts two-wire.
Figure 26 embodiment utilizes the parabola rotary body chuck 52 of back-off as heat pipe 1, can obtain the area of dissipation of 100 to 600 square centimeters, applicable light-emitting area is that the bead of parabola rotary body chuck 52 is a circle and the LED light fixture of 8 to 50 watts that can horizontal setting.In the time that heat pipe 1 inside arranges liquid-sucking core net, the variation at its opposite heat tube inclination angle is insensitive, can make the bead of parabola rotary body chuck 52 described in described light-emitting area normally work within the scope of the level inclination of positive and negative 10 °.Figure 27 is the structural representation of a Platelike heat pipe LED light fixture.
Figure 27 provides eighteenth embodiment of the invention.
In Figure 27, Platelike heat pipe LED light fixture comprises a Platelike heat pipe 1, LED2 and driving power 42.Electrical connection interface 5 adopts two-wire.The LED2 of Figure 27 embodiment is distributed in below Platelike heat pipe 1, can obtain flat luminous illuminating effect.In the time of Platelike heat pipe 1 internal placement liquid-sucking core net 53, can make Platelike heat pipe 1 normally work within the scope of positive and negative 10 ° or larger level inclination.In the time that the imbibition ability of described liquid-sucking core net 53 can guarantee the working medium of Platelike heat pipe 1 to be transported to each LED2 place for LED2 heat release evaporation by capillarity, even the light-emitting area of uniform LED2 normally can be worked upward and within the scope of positive and negative 10 ° or larger level inclination.For i.e. inner approximately 0.1 atmospheric pressure and outside 1 atmospheric pressure poor of the pressure differential that overcomes Platelike heat pipe 1 tube wall both sides, in Platelike heat pipe 1 inside, support member 54 is set and withstands from the inside two inwalls of Platelike heat pipe 1.Do not arrange that at Platelike heat pipe 1 foaming material 55 that outwardly convex is set on a tube wall of LED2 can increase considerably the cold junction area of Platelike heat pipe 1.
Heat pipe wall thickness with foaming material 55 can reduce.The clean slightly trouble of heat pipe with foaming material 55.In heat pipe 1 tube wall Tu photocatalyst of titanium dioxide coating processed, the organic matter dirt that can utilize the light last decomposition of light fixture to contact with described coating of titanium dioxide, makes it to become the simple molecules such as nitrogen, carbon dioxide and water.Can be with reference to existing techniques in realizing in heat pipe 1 tube wall Tu photocatalyst of titanium dioxide coating processed.
The positive end out line that also can make the heat pipe of Figure 27 embodiment is other form beyond round rectangle, such as the ellipse of Figure 27 top.Like this, can both utilize the compressive property that domes are good, can make again volume miniaturization and make the capillarity section of liquid-sucking core net be unlikely to long, slightly the light-emitting area illumination angle of arch is better than plane.
The making of the Platelike heat pipe 1 of Figure 27 embodiment can be with reference to the content of the first two embodiment 16 and 17.
Figure 28 provides nineteenth embodiment of the invention.
In Figure 28, heat pipe LED lamp control system comprises that three driving power controllers of governor circuit 61, memory 62, man-machine interface and interface circuit 63 thereof, three-primary color LED and interface circuit 64, optical signal reception and transmitter module and interface circuit 65 thereof, camera head microphone are subject to sound device and interface circuit 66 and software thereof to comprise application program.Three driving power controller interface circuits 64 of described governor circuit 61, memory 62, user-machine interface circuit 63, three-primary color LED, optical signal receive and be connected by bus 67 signals by sound device interface circuit 66 with transmitter module interface circuit 65 and camera head microphone.The man-machine interface of Figure 28 embodiment comprises a touch device.Described touch device comprises the touch-screen with various background colors.
Can comprise that the variation that application program makes the state of described LED light fixture touch touch-screen position according to user changes by software, such as user touches the redness on touch-screen, LED just sends red light.
Can comprise that the variation that application program makes the state of described LED light fixture touch touch-screen position according to user changes by software, for example user touches the acoustic control position on touch-screen, the light that LED sends intensity variation by it inquiry of replying or directly sound: " be very glad and accept owner's instruction." then user send and " please dance No. 14." sound, the microphone of LED light fixture sends " dances No. 14." sound.User says again: " start." LED light fixture sends light and the music of color change according to setting.
Can comprise that application program makes described LED light fixture take and the image of shooting with video-corder is sent in hidden receiving-member by optical signal carrier firm automatically the turning on light of user in the time entering by software, and automatically and the person of entering engage in the dialogue: " hello." user arranges and promise according to a preconcerted arrangement.LED light fixture is by comparing to judge it is that owner enters owner and serves program with the content of prior storage, if can turn off light daytime; Can also report and remind such as take medicine to water flowers to owner and meet child and make a phone call to household.If judge that the person of entering may be uninvited guest, enter uninvited guest's program of serving and comprise direct warning and sound the alarm.
Claims (10)
1. the cold junction heat pipe LED light fixture that directly dispels the heat, comprise heat pipe, LED, driving power, with extraneous electrical connection interface and control system, heat pipe comprises shell, blast pipe, working medium and liquid-sucking core net; Heat pipe cold junction is shaped with or is not shaped with pleated; Comprise two core electric wires or bulb screw mouth connector with extraneous electrical connection interface; When described LED color or colour temperature are while being constant, the multiple LED that form described color or colour temperature comprise that three-primary color LED can only realize with one group of two wire and extraneous electrical connection with extraneous; When described LED color or colour temperature are while being adjustable, the multiple LED that form described color or colour temperature comprise that three-primary color LED adopts respectively one group of two wire to realize and extraneous electrical connection with extraneous separately, and it it is characterized in that the hot end surface of heat pipe, and the non-light-emitting area of LED matches and the non-light-emitting area of LED is connected with heat pipe hot junction direct heat transfer; Heat pipe cold junction is without wing plate.
2. the cold junction according to claim 1 heat pipe LED light fixture that directly dispels the heat, is characterized in that outside, heat pipe hot junction contains LED circuit plate, and the outer surface in the inner surface of LED circuit plate and heat pipe hot junction matches; LED circuit plate comprises insulated substrate and is made in conducting wire, LED linkage interface, circuit board enhancement Layer and the mesh on insulated substrate; LED linkage interface comprises soldering interface; Enhancement Layer comprises the stephanoporate steel plate or the elasticity web plate that are embedded in insulated substrate inside; Between LED circuit plate and driving power, realize both connections by several wire cable, described both connection comprises that mechanical connection, electrical connection and the binding of opposite heat tube are simultaneously connected; Described both connection comprises by the cable linkage interface of LED circuit plate or driving power periphery and realizing; Cable linkage interface comprises that cable is wound around stub; Or, the structure that makes described driving power adopt driving power main body to be connected with a driving power base; Driving power main body configuration contact chip, driving power base configuration cable buckling groove, after driving power main body and driving power base are connected, described contact chip and described cable buckling groove are realized electrical connection; And adopt with cable joint end and serial connection/and be connected to the fast wiring cable of elastic component; Fast wiring cable has sufficiently high tensile strength; Elastic component comprises one section of spring, makes described cable joint end be connected with the clamping of described cable buckling groove; Comprise being connected between LED circuit plate and fast wiring cable and be welded to connect or connect in succession soon, connect in succession soon and comprise that above-mentioned clamping connects.
3. the cold junction according to claim 2 heat pipe LED light fixture that directly dispels the heat, is characterized in that LED circuit plate contains some LED hole, and the edge in LED hole contains the above and LED linkage interface in two places; LED is arranged in described LED hole and with Heat Conduction Material and comprises that elastic conducting hotting mask conducts heat and is connected with heat pipe hot junction with transparent heat conduction binding material.
4. the cold junction according to claim 2 heat pipe LED light fixture that directly dispels the heat, is characterized in that the LED linkage interface on LED circuit plate is stainless sheet steel on a wiring board being arranged on wiring board; The stainless sheet steel stitch welding plain film with corrugated changeover portion is contained respectively at LED two ends; Two stainless sheet steels are the position that is welded to connect that on wiring board, stainless sheet steel and stitch welding plain film are superimposed with each other and contain laser stitch welding.
5. the cold junction according to claim 2 heat pipe LED light fixture that directly dispels the heat, is characterized in that LED circuit plate comprises flexible PCB;
Pass hot linked LED surface with heat pipe hot junction and contain shape and the identical elastic conducting hotting mask of heat pipe hot end surface; Heat pipe contains the linkage interface with LED circuit plate and driving power or driving power base, and linkage interface comprises the interface that is threaded with LED circuit plate and driving power or driving power base; Linkage interface also comprises that the positioning step of more than one outwardly convex and LED circuit plate and driving power or driving power susceptor surface contain respectively the linkage interface matching with described positioning step surface; Or,
Contain some and heat pipe cold junction conduct heat the laminating fin or the laminating groups of fins that are connected; Pass hot linked LED surface with heat pipe hot junction, and described laminating fin or laminating groups of fins and surface, heat pipe contact position are contained heat-conducting glue or are contained shape and elastic conducting hotting mask that heat pipe hot end surface is identical; Heat pipe contains the linkage interface with LED circuit plate and driving power or driving power base, and linkage interface comprises the interface that is threaded with LED circuit plate and driving power or driving power base; Linkage interface also comprises that the positioning step of more than one outwardly convex and LED circuit plate and driving power or driving power susceptor surface contain respectively the linkage interface matching with described positioning step surface.
6. the cold junction according to claim 2 heat pipe LED light fixture that directly dispels the heat, is characterized in that LED wiring board contains one end band hitch and is not connected in series the fast wiring cable of elastic component; Driving power base contains a carbine with retractility; Described fast wiring cable and described carbine socket realization and electric and mechanical connection between the two; Or LED wiring board contains one end band hitch and is not connected in series the fast wiring cable of elastic component; Driving power base contains a diving board hook with flexibility; Described fast wiring cable and described diving board rhampotheca connect the electric and mechanical connection of realizing with between the two.
7. the cold junction according to claim 1 heat pipe LED light fixture that directly dispels the heat, is characterized in that LED two ends respectively contain a heat pipe package jump ring part, and jump ring part comprises two reeds, and the free end of each reed respectively contains more than one contact pin; Jump ring part conducts heat and is connected with heat pipe hot junction; Contact pin can insert a Plug pin patch bay and realize electrical connection between the two.
8. the cold junction according to claim 1 heat pipe LED light fixture that directly dispels the heat, is characterized in that also comprising an even mating plate; An even mating plate magnetic linkage interface is respectively contained in the hot junction of heat pipe or hot junction boundary and even mating plate inner side; The material of described magnetic linkage interface comprises: paramagnetic material+permanent-magnet material or permanent-magnet material+permanent-magnet material; Described two even mating plate magnetic linkage interface magnetic connect.
9. according to the heat pipe LED light fixture that directly dispels the heat of the cold junction described in claim 1 or 2 or 7 or 8, it is characterized in that containing an above heat pipe, comprise the heat pipe with more than one cold junction, the U-shaped tubular heat tube with two cold junctions, comprise two main cold junctions of U-shaped tubulose and the many cool side heat pipes at main cold junction Shang Pangjie branch cold junction with main cold junction; Described each cold junction comprise pull out straight upwards, helical buckling upwards with serpentine bend cold junction upwards; All LED are arranged in each heat pipe hot junction according to heat radiation load sharing.
10. according to the heat pipe LED light fixture that directly dispels the heat of the cold junction described in claim 1 or 2 or 7 or 8, it is characterized in that heat pipe cold junction does not contain special fin; Or heat pipe cold junction has bigger serface surface and comprises pleated.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410042622.0A CN103775960B (en) | 2014-01-28 | 2014-01-28 | Cold junction directly dispels the heat heat pipe LED light fixture |
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| CN201410042622.0A CN103775960B (en) | 2014-01-28 | 2014-01-28 | Cold junction directly dispels the heat heat pipe LED light fixture |
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| CN103775960B CN103775960B (en) | 2016-04-06 |
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| CN103775960B (en) | 2016-04-06 |
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