CN109073834A

CN109073834A - Utilize the luminaire of light emitting diode

Info

Publication number: CN109073834A
Application number: CN201780024888.4A
Authority: CN
Inventors: J·索伦森; A·D·本特森; K·S·威尔考克斯; D·P·戈尔斯
Original assignee: Cree Research Inc
Current assignee: Cree Lighting USA LLC
Priority date: 2016-02-29
Filing date: 2017-02-28
Publication date: 2018-12-21
Anticipated expiration: 2037-02-28
Also published as: CN109073834B; EP3423876A4; EP3423876A1; WO2017176388A1

Abstract

According on one side, a kind of luminaire includes luminaire shell, at least one intracorporal LED of luminaire shell is arranged in and is arranged in drive shell body LED drive circuit.Actuator housing includes interior section and exterior section, wherein at least part of interior section is arranged between LED drive circuit and exterior section, and wherein, LED drive circuit and exterior section thermal communication.

Description

Utilize the luminaire of light emitting diode

Cross reference to related applications

The interim Shen in the U.S. of entitled " using the luminaire of light emitting diode " submitted this application claims on 2 29th, 2016 Please number 62/301,572 (Cree file number P2599US0) equity, and also require submit on 2 29th, 2016 it is entitled " benefit With the luminaire of waveguide " U.S. Provisional Application No. 62/301,559 (Cree file number P2605US0) equity, and also wrap Include international application no PCT/US2014/30017 (the Cree file number of entitled " light wave guide " that on March 15th, 2014 submits P2225WO continuation-in-part application), and further include entitled " using the luminaire of waveguide " submitted on September 12nd, 2014 U.S. Patent Application No. 14/485,609 (Cree file number P2237US1) continuation-in-part application, and further include 2015 (the Cree file number of U.S. Patent Application No. 14/657,988 of entitled " using the luminaire of waveguide " that on March 13, in submits P2237US2 continuation-in-part application), and further include the U.S. of entitled " the road lighting device " submitted on July 16th, 2014 The continuation-in-part application of design patent application number 29/496,754 (Cree file number P2265US1), the above application is all Possessed by present assignee and the disclosure of which is incorporated herein by reference.The application is to submit on March 3rd, 2016 The U.S. Patent Application No. 15/060,306 (Cree file number P2599US1) of entitled " utilizing the luminaire of light emitting diode " Continuation application case, and the U.S. Patent application including entitled " using the luminaire of waveguide " submitted on March 3rd, 2016 The continuation-in-part application of 15/060,354 (Cree file number P2605US1), the above application are all gathered around by present assignee Have and the disclosure of which is incorporated herein by reference.

Technical field

This theme is related to luminaire, more specifically this theme luminaire for relating to the use of light emitting diode (LED).This theme The component of luminaire is further related to, the component includes but is not limited to heat exchanger, LED drive circuit and luminaire shell.

Background technique

LED illuminator generally includes: multiple LED, is used as light source；LED drive circuit, for adjusting the voltage for reaching LED And electric current；Heat exchanger, for transmitting the heat generated by LED；And luminaire shell.The luminaire can also include control The optical waveguide of light distribution.Luminaire is typically mounted on pillar or bar.Need one kind that can effectively generate height in numerous applications The durable luminaire of luminous flux.Leading to the problem of present in the luminaire of high light flux one is that LED and some other components can Excessive heat can be generated, this may cause LED with short service life, and reason is that the service life of LED is reversely related to junction temperature.

In such as outdoor road, street or the other application of parking lot illumination, it may be desirable to illuminate certain around lamps and lanterns A little regions keep the relatively low illumination of its adjacent area at the same time.For example, along road, preferably along being parallel to The direction of road guides light, while making to minimize along the illumination in the direction towards roadside house.For such and other application, It may want to allow the easy modulability of luminaire and its component and the luminaire of easy replaceability.However, it is difficult to ensure this technology The luminaire of personnel close friend be in structure it is reasonable and be able to bear influence typical luminaire, particularly be exposed to weather and The pressure and environment of the luminaire of other outdoor influences.

Summary of the invention

According on one side, a kind of luminaire includes: luminaire shell；Setting luminaire shell it is intracorporal at least one LED；And the LED drive circuit in drive shell body is set.Actuator housing includes interior section and exterior section, In, at least part of interior section is arranged between LED drive circuit and exterior section, and wherein, LED drive circuit with Exterior section thermal communication.

A kind of luminaire includes: luminaire shell according to another aspect,；Setting luminaire shell it is intracorporal at least one LED；And the LED drive circuit in drive shell body is set.Actuator housing includes interior section and exterior section, In, at least part of interior section is arranged between LED drive circuit and exterior section, and wherein, LED drive circuit with Exterior section thermal communication.In addition, heat exchanger is arranged to be connected to at least one described LED heat.

According to another aspect, a kind of luminaire includes: luminaire shell, and the luminaire shell includes top shell part And bottom shell portion；And head assembly, the head assembly are connected to top shell part.Head assembly is at least partly Illuminated device shell surrounds, and including the bottom surface adjacent with bottom shell portion.Head assembly further include: optical module, The optical module includes optical waveguide；At least one LED adjacent with optical waveguide；LED driving in drive shell body is set Circuit；And the heat exchanger being connected to at least one described LED heat, wherein actuator housing includes interior section and outside Part.

In view of features as discussed above, other aspects and advantage be will become obvious, wherein entirely illustrated Identical appended drawing reference indicates identical structure in book.

Detailed description of the invention

Fig. 1,1A and 1B are the vertical view isometric views of the alternate embodiment of luminaire, wherein Fig. 1 shows large-scale illumination Device, Figure 1A shows medium-sized luminaire, and Figure 1B shows small lighting device；

Fig. 2 and 2A is the bottom isometric view of the alternate embodiment of luminaire shown in Fig. 1 and 1A respectively；

Fig. 3 and 3A is the exploded isometric view of the alternate embodiment of luminaire shown in Fig. 1 and 1A respectively；

Fig. 4 and 4A is the other exploded view of alternate embodiment shown in Fig. 1 and 1A respectively, wherein head assembly and top Portion's housing parts are rotated relative to bottom shell portion；

Fig. 5 and 5A is the other exploded isometric view of alternate embodiment shown in Fig. 1 and 1A respectively；

Fig. 6 and 6A is the plan view of alternate embodiment shown in Fig. 1 and 1A respectively；

Fig. 7 and 7A is the bottom view of alternate embodiment shown in Fig. 1 and 1A respectively；

Fig. 8,8A and 8B are the front view of alternate embodiment shown in Fig. 1,1A and 1B respectively；

Fig. 9 and 9A is the rearview of alternate embodiment shown in Fig. 1 and 1A respectively；

Figure 10 and 10A is the side view of alternate embodiment shown in Fig. 1 and 1A respectively, and it illustrates be mounted on pillar Luminaire；

Figure 11 and 11A is the alternate embodiment intercepted approximately along the line 11A-11A of line 11-11 and Fig. 6 A of Fig. 6 respectively Cross-sectional view；

Figure 12,12A and 12B are the line 12B- of line 12-12 approximately along Fig. 8, line 12A-12A and Fig. 8 B of Fig. 8 A respectively The cross-sectional view of 12B interception；

Figure 13,13A and 13B are to show the decomposition of the actuator housing of alternate embodiment shown in Fig. 1,1A and 1B respectively Isometric view；

Figure 14 and 14A is to show the other decomposition of the actuator housing of alternate embodiment shown in Fig. 1 and 1A respectively Isometric view；

Figure 15 is the section view that the line 16-16 approximately along Fig. 8 of a part of the actuator housing of the embodiment of Fig. 1 is intercepted Isometric view；

Figure 16,16A and 16B are the line 16B- approximately along the line 16-16 of Fig. 8, the line 16A-16A of Fig. 8 A, Fig. 8 B respectively The enlarged cross-sectional view of 16B interception, it illustrates actuator housings；

Figure 17 and 17A is the line 11A-11A interception of line 11-11 and Fig. 6 A approximately along Fig. 6 of alternate embodiment respectively Enlarged cross-sectional view, wherein pillar is arranged in staged locating support；

Figure 18 and 18A is the line 11A-11A interception of line 11-11 and Fig. 6 A approximately along Fig. 6 of alternate embodiment respectively Enlarged cross-sectional view, it illustrates surround optical waveguide lower frame member；With

Figure 19 and 19A be the vertical view isometric view that implementation is substituted shown in Fig. 1 and 1A respectively, wherein remove top Housing parts and other component.

Specific embodiment

Fig. 1 shows luminaire 36, and compared with the relatively small medium-sized luminaire 36a of Figure 1A, which be can be Relatively large-scale luminaire.Compared with the small lighting device 36b of Figure 1B, medium-sized luminaire can be relatively large.In general, there is no " A " Or the figure number of " B " refers to large-scale luminaire 36 (Fig. 1,2,3 etc.), refers to medium-sized luminaire 36a with the figure number that " A " ends up (Figure 1A, 2A, 3A etc.) refers to small lighting device 36b (Figure 1B, 8B, 12B, 13B and 16B) with the figure number that " B " ends up.In addition, It should be noted that being commonly referred to as the component with large-scale luminaire 36 of medium-sized luminaire 36a with the appended drawing reference that " a " ends up The component of similar (that is, similar or identical), in addition to size and as it is otherwise indicated herein or in the accompanying drawings in addition shown in Except (for example, 40a refers to the luminaire shell of medium-sized luminaire 36a, and the 40 luminaire shells for referring to large-scale luminaire 36 Body).Similarly, the component class with large-scale luminaire 36 of small lighting device 36b is commonly referred to as with the appended drawing reference that " b " ends up As component, in addition to size and as it is otherwise indicated herein or in the accompanying drawings in addition shown in other than.Shown in three Except embodiment, the other embodiments of luminaire may include one or more components in the component of three illustrated embodiments, May not have certain other components there are three illustrated embodiment.In general, should be regarded to the description of large-scale luminaire 36 herein For the description suitable for large-scale luminaire 36, medium-sized luminaire 36a and small lighting device 36b, unless herein or attached drawing separately has It is bright.

As shown in figs. 3 and 3a, luminaire 36 includes luminaire shell 40 and head assembly 42.In general, luminaire 36 can It is mounted on pillar or bar 43, as shown in Figure 10 and 10A.Referring again to Fig. 3 and 3A, luminaire shell 40 includes top shell portion Divide 44 and bottom shell portion 45.As further shown in Figure, top shell part 44 includes top surface 48, antetheca 52 and side wall 56.As shown in Fig. 1,1A and 1B, optical sensor 60 is arranged in the holder 64 of top shell part 44.Holder 64 preferably with photograph The longitudinal median plane 68 of funerary objects 36 is aligned.Upper convection current opening 72 is arranged between holder 64 and antetheca 52.In illustrated embodiment In (that is, in large-scale, medium-sized and small lighting device 36,36a and 36b), opening 72 substantially takes up the entire width of luminaire 36 Degree, although situation is not always such.

Referring now to Fig. 2 and 2A, bottom shell portion 45 include the lower convection current opening being arranged in below upper convection current opening 72 78.In the shown embodiment, lower convection current opening 78 substantially takes up the entire width of luminaire 36, although situation be not always as This.

In the shown embodiment, large-scale luminaire 36 can substantially with 740.19mm length, the width of 497.87mm, The height of 161.52mm.In addition, in the shown embodiment, medium-sized luminaire 36a can substantially have the length of 667.90mm, The width of 390.59mm, the height of 150.27mm.In addition, in the shown embodiment, small lighting device 36b can substantially have The length of 639.16mm, the width of 284mm, the height of 127.45mm.

Referring now to Fig. 3,3A, 5 and 5A, at least partly illuminated device shell 40 surrounds and including light head assembly 42 Learn multiple LED84 that component 80 and adjacent optical component 80 are arranged.Optical module 80 includes: optical waveguide 85, adjacent to LED 84 Setting；Lower frame member 86 forms barrier partially around optical waveguide 85 and between optical waveguide 85 and luminaire shell 40； With upper frame members 87, it is arranged above optical waveguide 85.Head assembly 42 further includes LED drive circuit 88 and actuator housing 92.The reflective bottom surface of upper frame members 87 is arranged adjacent to one or more upper surfaces of optical waveguide 85." waveguide is utilized entitled Luminaire " copending application sequence number _ _ _ _ _ _ _ _ (attorney number C0421/P2605US1) in describe light wave 85 other details are led, the disclosure of which is incorporated herein herein.

As shown in Figure 13,13A, 14 and 14A, LED drive circuit 88 is arranged in actuator housing 92, the drive shell Body is arranged near the multiple LED 84 and top.As illustrated in figure 13 andl 3, actuator housing 92 includes interior section 93 With exterior section 94, wherein at least part of interior section 93 is arranged between LED drive circuit 88 and exterior section 94. Exterior section 94 includes upper part 94-1 and low portion 94-2.Upper part 94-1 forms the top cover of actuator housing 92 simultaneously And the metal by can effectively conduct heat is made.Low portion 94-2 can be integral with upper frame members 87 and can form drive The side wall and bottom wall of dynamic device shell 92.Low portion 94-2 can be made of makrolon material.In the shown embodiment, top Part 94-1 can be set above the substantially entire lateral dimension of LED drive circuit 88, as described in detail below. Because upper part 94-1 has the high surface area of the substantially entire lateral dimension of covering LED drive circuit 88, top The heat that LED drive circuit 88 generates effectively can be passed out shell 92 by part 94-1.

As further shown in Figure 13 and 13A, heat exchanger 96 is included in head assembly 42.Heat exchanger 96 includes one A or multiple heat exchanger sections 100 are (shown herein as the part 100-1 being present in large-scale and medium-sized luminaire 36 and 36a And 100-2), wherein at least one heat exchanger sections 100, and preferably, each heat exchanger sections 100 include substrate 102 and multiple fins 103.In large-scale luminaire 36 and medium-sized luminaire 36a, fin 103 is attached to substrate and/or from substrate 102 extend.At least one of fin 103 defines a plane, and the plane is preferably substantially or entirely laterally in (and more Preferably, perpendicular to) bottom surface of luminaire 36 and substantially or entirely transverse to (and it is highly preferred that perpendicular to) substrate 102.Fin 103 and 102 thermal communication of substrate.In addition, in the shown embodiment, substrate 102 transfers heat to fin 103, institute Fin is stated at least through upper and lower convection current opening 72 and 78 via convection current heat, as shown in Fig. 1,1A, 2 and 2A.

As further shown in Figure 13 and 13A, substrate 102 and at least one 84 thermal communication of LED (by conduction, convection current and/ Or radiation).Optionally, in large-scale luminaire 36, substrate 102 helps to conduct heat from LED 84 and LED drive circuit 88, and In medium-sized luminaire 36a, substrate 102a, which helps to conduct heat from LED 84a, (optionally, drives electricity from LED by upper part 94-1a 88a received essentially all heat in road is all passed through from upper part 94-1a empty around in convection current to luminaire 36a Gas), as described in detail.As shown in figure 13, in large-scale luminaire 36, substrate 102 and 88 thermal communication of LED drive circuit, And/or a part of thermal communication with actuator housing 92, as described further below.

As illustrated in figures 5 and 5, one or more thermally conductive printed circuit boards (PCB) 105 receive and install LED 84 and from its Conduct heat.PCB 105 is preferably made of one or more materials for being effectively conducted heat and is arranged to and 102 heat of substrate Connection.In the shown embodiment, LED 84 is contacted with the front surface of PCB 105, and the rear surface of PCB 105 connects with substrate 102 Touching.In addition, the front surface of substrate 102 is preferably parallel to the rear surface of at least one LED84.

As further shown in fig. 13, in large-scale luminaire 36, substrate 102 at least through actuator housing 92 external portion Divide 94 and 88 thermal communication of LED drive circuit.As further shown in Figure, in large-scale and medium-sized luminaire 36 and 36a, exterior section 94 include surrounding member 106-1, and when actuator housing 92 is in assembled state, the surrounding member is arranged in exterior section 94 Upper part 94-1 and low portion 94-2 between and contact.

As shown in figure 15, the interior section 93 of large-scale luminaire 36 includes two inner housings 106-2 and 106-3.Such as Figure 15 Further shown in, LED drive circuit 88 includes: the first of a part at the lateral top for being arranged and being formed LED drive circuit 88 Circuit board 106-4；The second circuit board 106-5 of a part of side wall that is vertically arranged and forming LED drive circuit 88；And with One or more LED driver component 106-6 of first and second circuit board 106-4 and 106-5 contact.Optionally, in first Shell 106-2 is electrical insulator, and the second inner housing 106-3 and LED driver component 106-6 is made to insulate.First circuit board At least one side wall in some or all of a part, such as periphery of 106-4, with the side wall of the first inner housing 106-2 Inner surface contact.First circuit board 106-4 can be fixed in upper part 94-1 and/or second in any suitable manner Shell 106-3, any suitable way are, for example, threaded boss and nut combination, fastener and combination with threaded hole Deng.Optionally, this fixation can occur before encapsulating, this will be described below.Second circuit board 106-5 contacts (physics Ground and/or electrically) first circuit board 106-4 bottom surface and be fixed to the upper.First inner housing 106-2 passes through the second inner casing The four side wall 106-3-1 and top side 106-3-2 of body 106-3 are at least partly surrounded and are nested in by the second inner housing 106-3 In second inner housing.

As shown in figure 16, in large-scale luminaire 36, the top side 106-3-2 and exterior section 94 of the second inner housing 106-3 Upper part 94-1 bottom surface contact.Second inner housing 106-3 can be fixed to upper part in any suitable manner 94-1, any suitable way are, for example, threaded boss and nut combination, fastener and combination with threaded hole etc..It is optional Ground, this fixation can occur before encapsulating, this will be described below.Second inner housing 106-3 can be by one or more Heat Conduction Material is made, such as thermal conductive polymer, metal etc..Thermal gap substance 106-7 can be set in the second inner housing 106-3 In (" encapsulating "), in order to carry out hot transmitting by conduction between LED driver component 106-6 and the second inner housing 106-3. Interstitial material 106-7 is contacted with LED driver component 106-6 and the second inner housing 106-3.Interstitial material 106-7 can be by ring Epoxy resin embedding material is made.

Referring now to fig. 16, in large-scale luminaire 36, the upper part 94-1 of exterior section 94 preferably includes plate structure Part 107, the upper surface of the board member contact substrate 102, to establish from LED driver component 106 in each of heat transfer At step optionally at least through conduction to interstitial material 106-7, to the second inner housing 106-3, to upper part 94-1 with And the heat transfer path to substrate 102.Board member 107 can be for example, by the fastener of screw, bolt etc. with any conjunction Suitable mode is fixed to substrate 102.In addition, board member 107 be laterally arranged and do not need it is integral with upper part 94-1, and It is can be separated and to be fixed to the upper by fastener, welding, soldering etc..

It additionally or alternatively, can be by from LED drive circuit 88 to the convection current of interior section 93 and exterior section 94 And/or radiation is to carry out hot transmitting.

In medium-sized luminaire 36a, as shown in Figure 16 A, one or more LED driver components of LED drive circuit 88a 106-2a can partly be surrounded by interior section 93a, as shown in Figure 14 A.As further shown in Figure 14 A and 16A, interior section 93a includes: the lateral overhead 106-3a being arranged in above LED driver component 106-2a；Optionally from LED driver portion Part 106-2a laterally disposed vertical side member 106-4a；And one or more engagement member 106-5a.It is one or Multiple engagement member 106-5a can be with LED driver component 106-2a, transverse direction overhead 106-3a and/or vertical side structure Part 106-4a contact, as shown in Figure 16 A.Vertical side member 106-4a can be made of metal to promote heat transmitting.Laterally top Component 106-3a and engagement member 106-5a can be made from a material that be thermally conductive in portion, such as thermal conductive polymer.

As further shown in Figure 16 A, the bottom of the upper part 94-1a of lateral overhead 106-3a and exterior section 94a Surface contact.In addition, the top surface of lateral overhead 106-3a can have L shape, as shown in FIG. 13A.As Figure 14 A is further Shown, the bottom surface of vertical side member 106-4a contacts circuit board 106-6a, and the top table of vertical side member 106-4a Face contact transverse direction overhead 106-3a.Circuit board 106-6a can be set below LED driver component 106-2a and can To be coupled to LED driver component.Circuit board 106-6a is mounted on exterior section 94a's by one or more stud 106-7a Above low portion 94-2a, as shown in Figure 16 A.

Above-mentioned actuator housing 92a is established from LED driver component 106-2a at least through conduction to interior section 93a, at least through the upper part 94-1a of conduction to exterior section 94a and at least through convection current to luminaire inside and outside Surrounding air heat transfer path.Heat transmitting from LED driver component 106-2a to upper part 94-1 can be optionally It occurs as from LED driver component 106-2a at each step at least through conduction to engagement member 106-5a, to cross To overhead 106-3a, to upper part 94-1a.Additionally or alternatively, can occur from LED driver component 106-2a At each step at least through conduction to vertical side member 106-4a, to lateral overhead 106-3a, to top The heat transmitting of part 94-1a.Additionally or alternatively, can occur from LED driver component 106-2a at each step At least through conduction to lateral overhead 106-3a, to the heat transmitting of upper part 94-1a.

In some embodiments, the surrounding member 106-1a between upper part 94-1a and low portion 94-2a can be with It is not required.In this embodiment, upper part 94-1a and low portion 94-2a can be set into and connect directly with one another Touching.

As further shown in Figure 16 A, in medium-sized luminaire 36a, the low portion 94-2 and board member of exterior section 94 107a is integral and/or including board member, and the board member is arranged in above the upper surface of substrate 102a.Board member 107a is not required to It is integral with low portion 94-2a.

As the additional aspects or alternative solution in above-mentioned path, there may be used for LED drive circuit 88a and exterior section The alternative route of heat transmitting between the upper part 94-1a of 94a, such as the combination of conduction, convection current and/or radiation.

As shown in figure 16, in large-scale luminaire 36, PCB 105 can be arranged with the low portion of adjacent substrates 102, so that PCB 105 is parallel to substrate 102.In addition, substrate 102 is preferably parallel to the side 109 of actuator housing 92, such as Figure 13 institute Show.This placement of PCB 105 and actuator housing 92 heat exchange can be it is optimal, this is because on PCB 105 LED 84 can produce the heat more much bigger than the LED drive circuit 88 surrounded by actuator housing 92 (for example, LED 84 can be with Generate five to ten times of heat of LED drive circuit).Since LED 84 is the transmitter of more heat, pay the utmost attention to from LED 84 heat dissipations.Here it is PCB 105 to be arranged so that entire (or at least most of) rear surface of PCB 105 is contacted with substrate 102 The reason of, to allow to carry out efficient heat transfer at least through via the conduction of high surface area.Because LED drive circuit 88 is The transmitter of less heat, thus in one or more embodiments not necessarily actuator housing 92 it is entire height all with substrate 102 contacts are (that is, actuator housing 92 can extend in the above and or below of substrate 102 and not connect with 102 heat of substrate Touching).It is readily apparent that in order to reduce the overall size of substrate 102, it would be desirable to connecing between substrate 102 and PCB 105 Touching is prior to the contact between substrate 102 and actuator housing 92.Moreover, it has to be noted that be substrate 102 have it is enough Thermal mass will not be overheated with conducting by combined heat that LED 84 and LED drive circuit 88 generate simultaneously.

In the shown embodiment, upper convection current opening 72 and lower convection current opening 78 are separately positioned on the top of fin 103 under Side's (when luminaire 36 is mounted on pillar 43), thus by directly vertical convection path provide efficient heat transfer (for example, As shown in Fig. 1,1A, 2 and 2A).In large-scale and medium-sized luminaire 36 and 36a, one or more blades 111 are to be parallel to fin 103 orientation, which is arranged and passes through upper convection current in a longitudinal direction, is open 72 (and/or under sheds 78) in order to promote air stream It moves and obtains efficient heat transfer.In the shown embodiment, blade 111 is omitted under shed 78, and strut 112 is alternatively Across under shed 78, as illustrated in figures 2 and 2.

Referring now to fig. 16, large-scale luminaire 36 includes the interconnection 113 being arranged on the antetheca of substrate 102.Laterally Channel 113 can receive from the elongation flange 114 outstanding of upper frame members 87, to ensure substrate 102 and upper frame members 87 It is properly positioned.Medium-sized luminaire 36a and small lighting device 36b can not include interconnection or elongation flange.

As further shown in the large size of Figure 12 and 12A and medium-sized embodiment, heat exchanger 96 includes the first heat Exchanger part 100-1 and second heat exchanger part 100-2, the second heat exchanger part and first heat exchanger part 100-1 is horizontally or laterally spaced apart.First and second heat exchanger sections 100-1 and 100-2 can substantially take up luminaire 36 entire width, although situation is not always such.In addition, first and second groups of LED 84-1 and 84-2 are distanced from one another cross It opens, and is mounted on the first and second laterally separated PCB 105-1 and 105-2.As illustrated in figures 5 and 5, each heat exchange Device part 100 is associated with first and second groups of LED 84-1 and 84-2 respectively, wherein first heat exchanger part 100-1 adjoins Adjacent first PCB 105-1 associated with first group of LED 84-1, and second heat exchanger part 100-2 adjoins and second group The associated 2nd PCB 105-2 of LED 84-2.This distributed arrangement of LED 84 prevents in a portion of luminaire 36 Excessive heat accumulation in point.Heat transmitting from first group of LED 84-1 to first heat exchanger part 100-1 can with from the The heat transmitting of two groups of LED 84-2 to second heat exchanger part 100-2 concurrently occurs.In addition, heat exchanger sections 100-1 And 100-2 setting is between upper convection current opening 72 and lower convection current opening 78.

As further shown in the big embodiment of Fig. 3, each of heat exchanger sections 100-1 and 100-2 can be with Heat pipe 116 including one or more sealing accommodates cooling fluid and extends through at least one and preferably multiple wings One or more holes of piece 103.More specifically, heat pipe 116-1 and 116-2 can be set in each heat exchanger sections 100, Wherein, the first heat pipe 116-1 is arranged above the second heat pipe 116-2.Heat pipe 116-1 and 116-2 are separated from each other and at its both ends Sealing, as shown in Figure 6.Heat pipe 116-1 and 116-2 can be extended through positioned at the hole of substrate nearside, and can also be extended through Cross the farther away distal aperture positioned far from substrate 102.As shown in figure 11, the first heat pipe 116-1 can extend through distal aperture, institute It states distal aperture and is substantially provided in the fin end portion close to substrate 102 and the middle position between the fin end portion far from plate 102. In some embodiments, the first heat pipe 116-1 can extend through distal aperture, and the distal aperture is arranged from substrate 102 to wing Between the 30% of the distance of the distal end of piece 103 and 70%.Additionally or alternatively, the second heat pipe 116-2 can be extended through too far Side opening, the distal aperture be arranged in from substrate 102 to the distal end of fin 103 distance about 70% from.More specifically, the second heat Pipe 116-2 can extend through distal aperture, and the distance from substrate 102 to the distal end of fin 103 is arranged in the distal aperture Between 50% and 95%.

Compared with large-scale luminaire 36, medium-sized luminaire 36a can not include heat pipe 116.Moreover, medium-sized luminaire 36a It may include the fin 103a of different length.For example, as illustrated in fig. 12, fin 103a may include three types: one or more A long fin 117a, is substantially provided in the centre portion of heat exchanger sections 100a；One or more moderate-length wings Piece 118a is arranged in towards the laterally outermost part of heat exchanger sections 100a remotely；With one or more brachypterisms Piece 119a is arranged in towards the laterally outermost part of heat exchanger sections 100a more at a distance.With first heat exchanger 100-1a associated brachypterism piece 119a in part can adjoin brachypterism piece associated with second heat exchanger part 100-2a 119a.In some embodiments, the length of brachypterism piece 119a can between the 40% and 80% of the length of long fin 117a, And the length of moderate-length fin 118a can be between the 60% and 90% of the length of long fin 117a.In addition, luminaire The fin 103a of 36a can be thick according to the fin 103 of funerary objects 36, partly to provide increased heat transmitting, the increased heat The shortage of transmitting compensation any heat transmitting associated with heat pipe.

In general, luminaire 36 can be installed and/or be safeguarded as follows.Customer can receive the luminaire as full unit 36, wherein luminaire shell 40 is fixed to the head assembly 42 and other component of luminaire 36.Luminaire 36 can pass through progress Following steps and be to be mounted on pillar 43 to be ready.By the way that downward power is acted on handle 136 shown in Fig. 2 and 2A To open bottom shell portion 45.Referring next to Fig. 4 and 4A, due to downward power, one of bottom shell portion 45 Or multiple hook portions 137 are separated with one or more retainers 138 of top shell part 44.Also due to downward power, because Around pin 139, (it can be integral with top shell part 44 and be assemblied in by bottom shell portion this bottom shell portion 45 Divide in the hollow shaft housing 139-1 of 45 carryings, as shown in figure 13) rotation, so that the downward pivot of the front part of bottom shell portion 45 Turn, to allow close to fixed one or more bolts 140 and one or more brackets 141.Large-scale and medium-sized luminaire 36 Respectively have with 36a there are four bolt 140 and two brackets 141, and there are two bolt 140b and a branch for small lighting device 36b tool Frame 141b.

As shown in figs. 3 and 3a, top shell part 44 includes at least one, more preferably four fastener holes 142.Nut 143 are press-fitted or are overmolded onto each hole 142.As shown in figs. 17 and 17, luminaire 36 can be placed into pillar 43 On, so that the end of pillar 43 extends through mounting hole 144 and enters the bottom surface of mounting bracket 141 and top shell part 44 Between space.As shown in figs. 17 and 17, multiple angle installation positions of staged locating support 147 are arranged in the end of pillar 43 In one set.Locating support 147 allows luminaire 36 to install on pillar 43 at any one of multiple Angle Positions place, and And also allow to accommodate the pillar of varying cross-section size.Hereafter, bolt 140 can be screwed into upwards in nut 143, until bracket 141 support against pillar 43 and pillar are captured as the bottom surface against top shell part 44.Then it can be electrically connected With the LED drive circuit 88 being electrically connected in actuator housing 92.

Hereafter, it is swung up by making bottom shell portion 45 around pin 139, so that bottom shell portion 45 pivots and straight It, can be with closing bottom housing parts 45 to hook portion 137 and 138 snap engagement of retainer.

1 and 11A referring now to fig. 1, during along upward direction fixing bolt 140, the plastic deformation of bracket 141 can be with It provides flexible being fixed into bolt 140 more than recommendation or ideal installation torque one circle or multi-turn.For example, the spiral shell of luminaire 36 Bolt 140 can have the recommendation installation torque of 150 to 200 in-lbs.In the case where no bracket 141, it may be necessary to accurate Installation equipment with ensure install torque be no more than 200 in-lbs, this is because the torsion of any application more than 200 in-lbs Square may all damage luminaire shell 40.However, with bracket 141, even if one or more of bolt 140 200 in-lbs are had reached, one or more of bolt 140 can also rotate one or more additional circles, this is because One or more brackets 141 are deformed in plastic manner to absorb the torque of additional circle, and deformation can prevent torque in this way Largely power of the increasing action on shell 40, so that it is guaranteed that luminaire 36 is not damaged.

As shown in Fig. 9,9A and 1B, top shell part 44 includes the reinforcement structure fully or partially around mounting hole 144 Part 150.Stiffener 150 includes the section of increased material thickness on top shell part 44.Stiffener 150 provides by force Degree so that luminaire 36 remain fixed to pillar 43 and do not damage simultaneously luminaire 36 any part (for example, even if in the presence of High wind, the torque applied during installation, the torque applied during adjusting etc.).

Compared to the stiffener 150b of associated with large-scale luminaire 36 stiffener 150 and small lighting device 36b (wherein each stiffener forms the arcuate feature portion with relative constant curvature), reinforcement associated with medium-sized luminaire 36a Component 150a forms the features with relatively flat top and relatively straight side, as shown in Figure 9 A.

Stiffener 150 can also provide flexibility during installation and/or adjusting.When pillar 43 is positioned fixed to staged When bracket 147 (as shown in figs. 17 and 17), the upward power being applied on bolt 140 makes top shell part in mounting hole 144 Nearby apply downward power on pillar 43.Stiffener 150 provides additional structural strength for top shell part 44, thus Big twice of torque of the installation for allowing top shell part 44 that may bear when bearing than no stiffener 150 or more of installation Torque.

As further shown in Figure 12 and Figure 12 A, the press-fit of nut 143 or overmolded characteristic can also installed And/or it is provided during adjusting flexible.If luminaire 36 does not use the nut 143 of press-fit, luminaire 36 can be alternatively Use the fastener of screw forming type, such as screw forming bolt.As an example, screw forming bolt may be needed and be illuminated Device shell 40 cooperates, so that half inch of bolt is screwed into luminaire shell 40, so that pillar 43 connects with top shell part 44 It closes.In addition, screw forming bolt may need to be screwed into one inch again so that pillar is appropriately secured to luminaire shell 40.When every When in a screw forming bolt insertion luminaire shell 40, required installation torque can be with for example, from 300 during first lap In-lb increases to 700 in-lbs during last lap, to fix pillar 43.This variable and high installation torque may need Want can to apply the high power impact wrench of this torque.

On the other hand, the nut 143 of press-fit can eliminate the needs to this high power impact wrench, to reduce peace Dress and/or maintenance cost.When bolt 140 is screwed into the nut 143 of press-fit, required installation torque can than with screw thread at The associated installation torque of shape bolt is lower and more constant.For example, installation torque can in the entire vertical motion of bolt 140 To be 100 in-lbs, rather than between 300-700 inchpound.

Referring now to the big embodiment of Figure 4 and 5, board member 107 further includes being arranged in the upper part of heat exchanger 96 One or more installation tabs 160 (medium-sized luminaire 36a can not include installation tab with small lighting device 36b).Installation Each of tab 160 include will install tab 160 be connected to board member 107 rest part vertical section and from vertical The horizontal component that part extends.When head assembly 42 is assembled into top shell part 44, tab 160 is located at top by engagement One or more shoulders 161 of the bottom surface of housing parts 44 and facilitate by head assembly 42 be fixed to top shell part 44。

Even if head assembly 42 can also be removed from luminaire 36 for safeguarding after being mounted with luminaire 36 Or other purposes.It should be noted that a pair of of fastener or screw 164 extend through the hole in top shell part 44, it will Head assembly 42 is fixed to top shell part 44, as shown in Figure 13,13A and 13B.It is fixed on single central screw 164 vertical It is nearby compared to central plane 68, the stress that a pair of screws 164 of this distribution applies luminaire shell 40 is smaller.It can move Except this screw 164, then slightly rotatable head component 42 and head assembly 42 can be made from 36 laterally outward displacement of luminaire, So that removing installation tab 160 from shoulder 161.In order to reinstall head assembly 42, head assembly 42 can be towards luminaire 36 transverse shiftings are simultaneously pivoted up, so that installation tab 160 is again arranged on shelf 161.Once maintenance phase is completed, then Screw 164 can be screwed back to reinstall head assembly 42.

As shown in Figure 11 and 11A, the rear portion 168 that luminaire 36 is arranged in splash guard 166 (is fixed to branch that is, accommodating The part of the bolt 140 of column 43) and luminaire 36 closer between the middle section of head assembly 42 170.Splash guard 166 wraps Include the upper splashproof part 166-1 integral with top shell part 44 and the lower splashproof part integral with bottom shell portion 45 166-2.Splash guard 166 forms the partial barrier between the rear portion 168 and middle section 170 of luminaire 36, to protect Electrical and other component in middle section 170 is from that may pass through the influence for the water or particulate matter that mounting hole 144 enters.On Splashproof part 166-1 and lower splashproof part 166-2 is arranged so that splashproof hole 174 is formed between them, such as Fig. 9 and 9A institute Show.Conducting wire from pillar 43 can extend through splashproof hole 174 to reach middle section 170, wherein conducting wire may be coupled to Electric component therein, as described above.

In the shown embodiment, splash guard 166 and luminaire shell 40 are integral.This one splash guard 166 is not increasing Support and protection are provided in the case where adding the set-up time.It will furthermore be evident that splash guard 166 is arranged in pillar 43 and spiral shell Before bolt 140.As a result, pillar 43 can be fixed to any stepped part 154, and does not need simultaneously mobile or modify splash guard 166.Moreover, because splash guard 166 is located at before pillar 43, it is possible to various sizes of pillar 43 is used, and simultaneously It does not need mobile or modifies splash guard 166, This further reduces installation and/or maintenance costs.

As shown in Figure 18 and 18A, the thickness of the antetheca 52 of luminaire shell 40 compares near the bottom surface of luminaire 36 Position far from bottom surface is bigger.Thickness near the bottom surface of luminaire 36 can be at or near the top surface of luminaire 36 Thickness approximately twice as.Increased thickness near bottom surface protects optical module 80 from being subjected to by luminaire shell 40 Damage caused by stress.In some embodiments, the thickness near the bottom surface of luminaire 36 can be between the top of luminaire 36 Between 130% of thickness near surface and 270%.Compared with the antetheca 52 of luminaire 36, the antetheca 52a of luminaire 36a can To have a thickness that, the thickness keeps relative constant in most of height of luminaire 36a, then in luminaire The bottom surface of 36a nearby slightly increases.

As further shown in Figure 18 and 18A, there are gaps between lower frame member 86 and the lower lip of antetheca 52 178 175.Gap 175 is continuous optionally around lower frame member 86, to by optical module 80 and act on luminaire shell 40 At least some impact isolatings open.In some embodiments, gap 175 can be between the 5% of the width of lower lip 178 and 90% Between.

As further shown in Figure 18 and 18A, the flange part of optical waveguide 85 is arranged in the flange portion 182 of upper frame members 87 Above point.Flange portion 182 and optical waveguide 85 are sealed by lower frame member 86, with prevent water or particulate matter or its Its impurity enters between optical waveguide 85 and the reflective bottom surface of upper frame members 87.Lower frame member 86 and optical waveguide 85 and upper ledge Interface 184 between frame member 87 has arrow shaped shape, so that interface 184 has relatively large surface area.It is this relatively large Surface area the intensity of the sealing provided by lower frame member 86 is provided.As further shown in Figure 18 and 18A, flange portion 182 include flange support component 186, and the flange support component is aligned with lower frame supporting member 187, in order to will come from down The stress of framing component 86 is directly delivered to upper frame members 87, protects optical waveguide 85 to answer protected from excessive at the same time Power.

As shown in Figure 12 B, the heat exchanger 96b of small lighting device 36b has single heat exchanger part 100b and substitutes Two heat exchanger sections 100.As further shown in Figure 12 B and 13B, in small lighting device 36b, fin 103b is arranged remote At a certain distance from substrate 102b.At least one of fin 103b limits a plane, and the plane is preferably substantially or completely Transverse to (and it is highly preferred that perpendicular to) luminaire 36b bottom surface and be substantially or entirely parallel to substrate 102b.Cause This, in small lighting device 36b, one or more blade 111b are along the orientation setting perpendicular to fin 103b, in Figure 1B It is best shown.

Heat exchanger 96b further includes the first heat pipe 116-1b and the second heat pipe 116-2b, first heat pipe and the second heat Pipe extends through fin 103b and is fixed to substrate 102b, is attached to substrate or integral with substrate, as shown in Figure 13 B.First It is substantially U-shaped with the second heat pipe 116-1b and 116-2b, wherein the both ends of each " U " are far from substrate 102b and each " U " Bending part is fixed to substrate 102b, is attached to substrate or integral with substrate.Two branch of the " u "-shaped of the second heat pipe 116-2b Leg than the two supporting legs of the " u "-shaped of the first heat pipe 116-1b be arranged in towards luminaire 36b side wall 56b remotely, such as scheme Shown in 12B.In addition, transverse bar 117-1b and 117-2b extend through fin 103b and substrate 102b and are fixed to drive shell Body 92b, so that heat exchanger 96b is fixed to head assembly 42b, as shown in Figure 13 B.This heat exchanger 96b establish from Then substrate 102b to heat pipe 116b arrives the heat transfer path of fin 103b.

In small lighting device 36b, as shown in Figure 13 B, the low portion 94-2b of exterior section 94b has curved top Portion edge 106-1b.The front surface for being basically parallel to substrate 102b is arranged in the rear portion 106-2b of top edge 106-1b In plane.The plane for being basically parallel to the bottom surface of luminaire 36b is arranged in the front part 106-3b of top edge 106-1b In.On the contrary, the bottom margin 106-4b of the upper part 94-1b of exterior section 94b be substantially it is linear, as in Figure 13 B most Shown in good.It should be noted that upper part 94-1b is made of metal, and manufacture is likely difficult to curved bottom edge Bending metals upper part 94-1b.As further shown in Figure, interior section 93b includes curved bottom margin 106-5b, It is fitted snugly on the top of curved top edge 106-1b.Interior section 93b further includes top edge, substantially straight Line and the substantial linear bottom margin that receives upper part 94-1b.Interior section 93b can be made of plastics.Such as Shown in Figure 16 B, by the way that interior section 93b is used as shim, allows curved low portion 94-2b to be connected to and be made of metal Easily fabricated major part be linear edge upper part 94-1b.

In small lighting device 36b, heat can be transmitted to top portion from LED drive circuit 88b at least through convection current Divide 94-1, and is transmitted to heat inside luminaire 36b and the week outside luminaire 36b from upper part at least through convection current Collarette border.Moreover, as shown in fig 16b, LED driver component 106-6b is fixed to circuit board 106-7b.Circuit board 106-7b can It is contacted with the low portion 94-2b with contact substrate 102b, to establish from LED driver component 106-6b at least through biography That leads arrives low portion 94-2b, at least through the heat to substrate 102b of conduction to circuit board 106-7b, at least through conduction Transmission path.There may also be the heat transfers of other forms.

As further shown in Figure 16 B, compared with antetheca 52 and 52a, the thickness of antetheca 52b antetheca 52b height it is big Start to increase at about half, and increases to maximum gauge before the bottom surface for reaching luminaire 36b.Antetheca 52b includes leaning on The recess portion of the bottom surface of recent photograph funerary objects allows the vertical section of lower frame member 86b to be arranged under a part of antetheca 52b Side.

Industrial applicibility

In short, the heat exchanger for most preferably designing and being arranged relative to LED and LED drive circuit is effectively from LED and can At least one of selection of land LED drive circuit transmits heat.Therefore, luminaire can accommodate the LED drive circuit of higher capacity The LED of bigger luminous flux with generation, and simultaneously cause thermal damage will not be caused to the component of luminaire.The mechanical aspects of luminaire Structural support is provided to meet with stresses in a manner of saving space and save cost, and they also allow easy to use and dimension Shield, while keeping durability and relatively low total weight.

Emit when using into wide (for example, lambert) angular distribution (being common for LED based light source) When relatively small light source, as commonly understood in the art, the holding of etendue requires optical system to have big hair Region is penetrated to realize asymmetric angular light distribution.In the case where paraboloid, therefore usually require big optics device Part is to realize high-caliber collimation.In order to realize big emitting area in more compact design, the prior art is dependent on use Fresnel lens, the Fresnel lens is guided using refracting optical surfaces and collimated light.However, Fresnel lens is substantially Substantitally planar, thus it is unsuitable redirect high angle light launched by light source, this leads to the loss of optical efficiency.Phase Instead, in the present invention, optically coupling in optical device, wherein mainly TIR is used to redirect and light distribution.This coupling Allow the gamut angle from light source to emit (including high angle light) to be redirected, thus in more compact form factor Generate higher optical efficiency.

LED be arranged in the coupler of wave conductor or near.Each LED can be single white or the LED of other colors, Or each LED may include multiple LED that are separately installed or being installed along in single substrate or encapsulation, include example to be formed Such as the module of the LED (such as blue shift Huang (BSY) LED) of at least one phosphor-coating or phosphor converted, it is described at least one The LED of phosphor-coating or phosphor converted is individual or combines at least one color LED that the color LED is, for example, Green LED, yellow led, red LED etc..LED can also include yellow, red or the green LED of phosphor converted.The one of LED A possible combination can also include at least one the blue shift yellow/green LED and red LED of at least one blue shift, wherein LED chip is blue Color or green are simultaneously surrounded by phosphor.The White LED of phosphor converted and/or the phosphor converted of different colours can be used Any combination of the LED of LED and/or different colours.Alternatively, all LED elements can be identical.The quantity and structure of LED Making can change according to the shape of coupler.As known in the art, specific LED combination can be used to generate not Same colour temperature and appearance.In one embodiment, each light source includes any LED, for example, in conjunction withLED Technology or entitled " the LED encapsulation with multi-element light source and with plane as submitted the 10 days October in 2012 of Lowes et al. MT-G disclosed in the U.S. Patent Application No. 13/649,067 (Cree file number P1912US1-7) of the sealant on surface " LED, such as by present assignee Cree, as Inc. exploitation and manufacture, the disclosure of which is herein by reference simultaneously Enter herein.In some embodiments, each light source includes any LED, for example, in U.S. Patent number 8,998,444 and/or That submits the 3 days December in 2015 of Bergmann et al. is entitled " suitable with individual blue shift-yellow/green and the red transmitter of blue shift- It is public in the U.S. Provisional Patent Application No. 62/262,414 of solid state lamp for high-temperature operation " (Cree file number P2589US0) The LED opened, the disclosure of which are hereby incorporated by reference herein.In another embodiment, multiple LED may include having At least two LED of different spectral emission characteristics.If desired, United States Patent (USP) can be used in the inside of wave conductor or edge One or more side disclosed in numbers 8,541,795 emits LED, and the disclosure of which is incorporated herein by reference.It is being disclosed herein Any embodiment in, LED preferably has lambert's light distribution, but as needed or expectation, each LED can have orientation Transmitting distribution (for example, side transmitting distribution).More generally, any lambert, symmetrical, wide-angle, preferential side or asymmetric can be used Beam pattern LED is as light source.

In addition, any embodiment disclosed herein may include with step down voltage redulator, boost pressure controller, buck-boost The power circuit of adjuster, SEPIC power supply etc., and may include the entitled " tool as submitted 30 days Mays in 2014 of Hu et al. Have the high-efficiency driving circuit of quick response " U.S. Patent Application Serial Number 14/291,829 (Cree file number P2276US1, Attorney number 034643-000618) or Hu et al. on May in 2014 30 submit entitled " there is low input current line U.S. Patent Application Serial Number 14/292,001 (Cree file number P2291US1, the attorney of the SEPIC driving circuit of wave " Reel number 034643-000616) disclosed in driving circuit, the disclosure of which be hereby incorporated by reference herein.Circuit is also It can be used together with light control circuit, the light control circuit is according to user's input control any embodiment disclosed herein Colour temperature, such as the U.S. Patent application of entitled lamps and lanterns of variable C CT " provide " submitted in 30 days Mays in 2014 of Pope et al. Disclosed in sequence number 14/292,286 (Cree file number P2301US1) like that, the disclosure of which is herein by reference simultaneously Enter herein.

Any embodiment disclosed herein may include the one or more communication units to form a part of light control circuit Part, such as the RF antenna of sensing RF energy.For example, may include communication component with allow luminaire and other luminaires and/or It is communicated with external wireless controller, such as the U.S. for entitled " lamps and lanterns for distributed AC servo system " submitted on March 1st, 2013 The interim Shen in the U.S. of entitled " the enhanced network illumination " submitted in patent application serial number 13/782,040 or on January 27th, 2014 Please disclosed in number 61/932,058 like that, the two applications possessed by present assignee and the disclosure of which herein It is hereby incorporated herein by.More generally, control circuit includes in network components, RF component, control unit and sensor At least one.Sensor, such as knob-shaped sensor can provide it ambient illumination level and/or room or illumination region The instruction of interior occupancy.This sensor is desirably integrated into light control circuit.

Although disclosing specific coupling feature portion as the embodiments herein and extracting features parameter, this includes shape Shape, size, position, the orientation relative to light source, material etc., but the present invention is not limited to the disclosed embodiments, this is because The various combinations and all arrangements of also specifically contemplated this parameter herein.In (the Cree case of U.S. Patent Application No. 13/842,521 Reel number P1946US1), U.S. Patent Application No. 13/839,949 (Cree file number P1961US1), on March 15th, 2013 submit Entitled " light wave guide " U.S. Patent Application No. 13/841,074 (Cree file number P1968US1), U.S. Patent Application No. Entitled " optical waveguide and the photograph comprising optical waveguide that 13/840,563 (Cree file number P2025US1), on December 9th, 2013 submit The U.S. Patent Application No. 14/101,086 (Cree file number P2126US1) of funerary objects ", on December 9th, 2013 are submitted entitled (the Cree file number of U.S. Patent Application No. 14/101,132 of " wave conductor and its manufacturing method including redirecting features portion " P2130US1), the U.S. Patent application of on December 9th, 2013 submits entitled " using the luminaire of wave conductor and optical element " Submit in number 14/101,147 (Cree file number P2131US1), on December 9th, 2013 it is entitled " for lifting, surface mount, wall 14/101,129 (the Cree of U.S. Patent Application No. of the simplification low profile module with optical waveguide of dress and free-standing luminaire " File number P2141US1) and the United States Patent (USP) Shen of entitled " optical waveguide and the lamp including optical waveguide " submitted on December 9th, 2013 Entitled " the optical waveguide and comprising optical waveguide that please be submitted in number 14/101,051 (Cree file number P2151US1), on January 30th, 2014 Luminaire " international application no PCT/US14/13931 (Cree file number P2126WO) and the topic submitted on March 15th, 2014 For description in the international application no PCT/US14/030017 (Cree file number P2225WO) of " light wave guide " and/or it is claimed Such as coupler of various shapes, LED, redirecting features portion, extract features feature any one with reference Mode be incorporated herein and possessed by present assignee and can be combined individually or with one or more add ons or Person is with different combinations for being distributed in luminaire with obtaining light mixing and/or required light output.Thus, for example, public herein Any luminaire opened may include one or more wave conductors, and as needed or expectation includes as disclosed in the above application Coupling feature portion, one or more light redirecting features portion, one or more extract features or optical device, and/or spy Standing wave conductor shape and/or construction.It is also contemplated that other wave conductor form factors and the luminaire comprising this wave conductor.

At least some of luminaire disclosed herein is especially suitable for installation, such as exterior product is (for example, street lamp, height Canopy lamp, ceiling light), the exterior product preferably needs at least about 2, and 000 lumen or higher general ambient light device export, and one In a little embodiments, the output of general ambient light device is up to about 10,000 lumen, and in other embodiments, and total lumen output is between about 10,000 lumens to about 23,000 lumens.In addition, luminaire disclosed herein is preferably generated between about 2500 degree Kelvin peace treaties Colour temperature between 6200 degree Kelvins, and more preferably between the colour temperature between about 3000 degree Kelvins and about 6000 degree Kelvins, and And in some embodiments, the colour temperature between about 3,500 degree Kelvins and about 4,500 degree Kelvins.In addition, photograph disclosed herein At least some of funerary objects preferably have at least about 90 lumens/watts, more preferably at least about 100 lumens/watts, more preferably at least about The effect of 110 lumens/watts, more preferably from about 115 lumens/watt.Moreover, at least some of luminaire disclosed herein has about 115 lumens/watts or higher effect.In addition, at least some of wave conductor used in luminaire disclosed herein is preferred Ground has at least about 90% gross efficiency (that is, from the light extracted in wave conductor divided by the light being injected into wave conductor).It is public herein The colour rendering index (CRI) of the preferred acquisition at least about 80 of at least some of luminaire opened, more preferable CRI are at least about 85.This The scotopia and photopic vision (S/P) ratio that luminaire disclosed in text generates are at least 1.4, preferably at least 2.0.It may be implemented any desired Form factor and specific output light distribution comprising upper irradiation and the distribution of lower irradiation or only upper irradiation only descend irradiation distribution Deng.

Compared with prior art, embodiment disclosed herein can meet improved operation standard, as follows:

In certain embodiments, wave conductor used in luminaire disclosed herein usually can from its center portion to its Outer ledge is tapered, so that extracting during the once-through of outer peripheral each light from LED to wave conductor basic Upper all light.The extraction strategy makes to impinge upon on each outside for extracting features and in a controlled manner from wave conductor The incident of the light that surface reflection comes out maximizes, rather than the angle to be greater than critical angle hits other surfaces and as not Controlled light evolution.Accurately the outside of features is extracted in forming, so that control is kept on the direction of extracted light, thus Allow highly collimated.In addition, wave conductor posture is very low, thus for heat converter structure, drive unit etc. in luminaire Leave more spaces.Moreover, reducing dazzle compared with other lamps for using LED light source, this is because special by extracting Sign portion from light is guided while extracting light in wave conductor outward in wave conductor, so that generated transmitting light substantially mixes simultaneously And it is substantially uniformly distributed on entire beam angle.The result is that light distribution pleasant and for using light source (such as one A or multiple LED) general illumination and other purposes it is particularly useful.

In some embodiments, people may want to control light, so that at least some of light is collimated, but In identical or other embodiments, people may also wish to control other or all light to increase the angular dispersion of light, make Obtaining this light is not collimation.In some embodiments, it is desirable to be collimated to close limit, and in other cases, Ren Menxi Opposite mode is taken in prestige.This can be met via its modification appropriate by using the luminaire of wave conductor disclosed herein Any one of a little conditions.

All references cited herein (including publications, patent applications and patents) is incorporated herein by reference In, degree is incorporated herein by reference as individually and specifically shown each bibliography and illustrates that it is complete herein Portion's content.

In the context describing the invention (especially in the context of following following claims) using term " one " and "one" should be interpreted with "the" and similar reference to cover odd number and plural number, unless otherwise indicated herein or and context It is clearly contradicted.The record of logarithm range herein, which is provided merely as individually referring to, each of falls within the scope of this independent numerical value Shorthand method, unless otherwise indicated herein, and each individually numerical value is incorporated in this specification, as it individually remembers herein It carries the same.It unless otherwise indicated herein or is apparently contradicted in the context, otherwise can implement this paper institute in any suitable order All methods stated.Unless stated otherwise, otherwise any and all examples or exemplary language provided herein (for example, " all Use such as ") is only intended to that the disclosure is better described and is not construed as limiting to the scope of the present disclosure.Any language in specification Speech is all not necessarily to be construed as showing that any unstated element is essential for the practice of the disclosure.

In view of foregoing description, many modifications of the disclosure will be apparent to those skilled in the art. It should be understood that illustrated embodiment is merely exemplary, it is not construed as limiting the scope of the invention.

Claims

1. a kind of luminaire comprising:

Luminaire shell；

At least one LED is arranged in the luminaire shell；

LED drive circuit is arranged in drive shell body；

The actuator housing includes interior section and exterior section, and at least part of the interior section is arranged described Between LED drive circuit and the exterior section, wherein the LED drive circuit and the exterior section thermal communication.

2. luminaire according to claim 1, wherein the LED drive circuit is transferred heat to described by conduction Interior section.

3. luminaire according to claim 2, wherein the interior section contacts the exterior section.

4. luminaire according to claim 3, wherein the exterior section contacts heat exchanger.

5. luminaire according to claim 3, wherein the upper part of the exterior section of the actuator housing is set It sets in the top of the substantial lateral size of the LED drive circuit.

6. luminaire according to claim 3, wherein the exterior section includes upper part and low portion, wherein The upper part contacts heat exchanger.

7. luminaire according to claim 1, further include:

Heat exchanger comprising the first heat exchanger part and second heat exchanger part of horizontally separated setting；

At least one described LED is included in first group of LED；

Described first group LED and second group of horizontally separated setting of LED；

The first heat exchanger part is connected to first group of LED heat；With

The second heat exchanger part is connected to second group of LED heat.

8. luminaire according to claim 1 further includes heat exchanger, the heat exchanger include substrate and with it is described Multiple fins of substrate thermal communication, the heat exchanger further include at least one fin extended through in the multiple fin One or more heat pipe in one or more holes.

9. luminaire according to claim 1 further includes heat exchanger, the heat exchanger include substrate and with it is described Multiple fins of substrate thermal communication, wherein the multiple fin extends from the substrate and including the first fin and the second fin, First fin extends first distance from the substrate, and second fin extends second distance from the substrate, and described the One distance is greater than the second distance.

10. a kind of luminaire comprising:

Luminaire shell；

At least one LED is arranged in the luminaire shell；

LED drive circuit is arranged in drive shell body, and the actuator housing includes interior section and exterior section, institute At least part for stating interior section is arranged between the LED drive circuit and the exterior section, wherein the LED drives Dynamic circuit and the exterior section thermal communication；With

Heat exchanger is connected to at least one described LED heat.

11. luminaire according to claim 10, wherein the interior section contact of the actuator housing is described outer Portion part, and the LED drive circuit transfers heat to the interior section by conduction.

12. luminaire according to claim 10, wherein the luminaire shell includes the reinforcement structure close to mounting hole Part, the stiffener include the increased section of thickness.

13. luminaire according to claim 10, wherein the surface of the luminaire shell includes hole, the luminaire It further include fastener, the fastener is associated with the hole and the luminaire is fixed to pillar.

14. luminaire according to claim 13, wherein the fastener and nut coupled thereto, the nut are to be press fitted against At least one of close and be overmolded.

15. luminaire according to claim 13, wherein the fastener extends through the hole of mounting bracket, the peace Dress bracket can be plastically deformed.

16. a kind of luminaire comprising:

Luminaire shell comprising top shell part and bottom shell portion；With

Head assembly is connected to the top shell part, is at least partly surrounded by the luminaire shell, and have The bottom surface adjacent with the bottom shell portion, the head assembly include optical module, and the optical module includes light wave It leads, the head assembly further include: at least one LED adjacent with the optical waveguide；The LED being arranged in drive shell body drives Dynamic circuit；And the heat exchanger being connected to at least one described LED heat, wherein the actuator housing includes interior section And exterior section.

17. luminaire according to claim 16, wherein the thickness of the antetheca of the luminaire shell is in the luminaire Position of the bottom surface nearby than the bottom surface in the separate luminaire it is bigger.

18. luminaire according to claim 16, wherein the head assembly further includes one or more installation tabs, The installation tab includes horizontal surface, and the horizontal surface is configured on the shoulder for being shelved on the top shell part.

19. luminaire according to claim 16, wherein the optical module further includes lower frame member, the lower frame Frame member laterally surrounds the optical waveguide and seals the upper surface of the optical waveguide.

20. luminaire according to claim 19, wherein the lower frame member via the lower frame member support Component is by stress transfer to upper frame members, the supporting member of the supporting member of the lower frame member and the upper frame members Alignment.