CN205535297U

CN205535297U - Novel LED (light -emitting diode) projection lamp

Info

Publication number: CN205535297U
Application number: CN201620095947.XU
Authority: CN
Inventors: 何琳; 李盛远; 李剑
Original assignee: Shenzhen Bang Bell Electronics Co ltd
Current assignee: Shenzhen Bang Bell Electronics Co ltd
Priority date: 2016-01-30
Filing date: 2016-01-30
Publication date: 2016-08-31
Anticipated expiration: 2026-01-30

Abstract

The utility model provides a novel LED (light -emitting diode) projection lamp, it includes a first cavity and a second cavity, first cavity with mutual independence between the second cavity, the LED projecting lamp further includes a grading structure and an electrical component, the grading structure sets up in the first cavity, electrical component sets up in the second cavity. Adopt the utility model provides a LED projecting lamp is favorable to obtaining even illuminance and floodlight effect, the LED projecting lamp has higher luminous efficiency.

Description

Novel LED projection lamp

[technical field]

The utility model relates to LED projector lamp field, particularly relates to a kind of Novel LED projection lamp.

[background technology]

LED (light emitting diode, Light-Emitting Diode) is that a class can directly convert electrical energy into visible ray and the luminescent device of radiation energy, has the advantages such as efficiency high, power consumption little, life-span length, luminous mass height, light colour purity.Wherein, LED projector lamp illuminates due to road advertisement, in ore deposit, large area operation field, contour of building, park and flower bed etc., has higher requirements for outgoing beam angle, brightness of illumination etc..

Existing LED projector lamp is due to the restriction of mounting structure Yu light distribution structure, it is impossible to effectively meet the existing market demand, it would therefore be highly desirable to need to provide a kind of can practicality is wide, light emission rate is high LED projector lamp.

[utility model content]

For overcoming problem present in currently available technology, the utility model provides a kind of Novel LED projection lamp with more excellent light-out effect.

The utility model is for solving above-mentioned technical problem, following technical scheme proposed: a kind of LED projector lamp, it includes a ground floor structure and a second layer structure, described LED projector lamp farther includes a light distribution structure and a lamp stand mounting structure, described light distribution structure is arranged in described ground floor structure, and described lamp stand mounting structure is positioned at the basal surface of described second layer structure.

Preferably, being provided with a dividing plate between described ground floor structure and described second layer structure, described dividing plate includes that at least one wire hole, described wire hole run through described dividing plate.

Preferably, described ground floor structure includes that connection member at least, described second layer structure include that connection member, described upper connection member are mated one by one with described lower connection member and are connected.

Preferably, described ground floor structure farther includes snap part at least, and described second layer structure farther includes snap part, and described upper snap part mates setting one by one and is connected together with described lower snap part.

Preferably, described upper connection member is arranged on, with described upper snap part, the both sides that described LED projector lamp is corresponding.

Preferably, described second layer structure includes that a second housing, described second housing include that at least two is arranged on the line three-way hole of not homonymy, and described line three-way hole farther includes a waterproof cover and a waterproof cover sealing ring.

Preferably, described second layer structure includes that an electric component, described electric component include a power supply, at least one protective tube, at least one lightning protection device and at least one respirator；Described lightning protection device is arranged between described power supply and described respirator, and described protective tube is arranged on the side of described power supply.

Preferably, described electric component farther includes a power supply bracing frame, a power supply compressing tablet, a fuse base and a lightning protection device keyset；Described power supply is fixed in described second housing by described power supply bracing frame and described power supply compressing tablet；Described lightning protection device is fixed in described second housing by described lightning protection device keyset；Described fuse base by described protective tube by being fixed in described second housing.

Preferably, described electric component also includes a binding post and a coupling terminal block, and described binding post is arranged between described lightning protection device and described protective tube, and described coupling terminal block is arranged on the opposite side of described power supply.

Preferably, described light distribution structure includes at least one lens and a Reflecting shade structure, and within described lens are contained in described Reflecting shade structure, described lens and described Reflecting shade structure form an optical system.

Compared with prior art, the provided LED projector lamp of the utility model has the advantage that

1, LED projector lamp 10 provided by the utility model includes ground floor structure 20 and second layer structure 30, is provided with light distribution structure 80 in described ground floor structure 20.Being provided with lamp stand mounting structure 90 in described second layer structure 30, described lamp stand mounting structure 90 can be used for being arranged on multiple different lamp stand described LED projector lamp 10 multi-angle, makes described LED projector lamp 10 have broad applicability.Described light distribution structure 80 is separately positioned with described lamp stand mounting structure 90 in described ground floor structure 20 and described second layer structure 30, can make described LED projector lamp 10 inner space Optimum distribution.

2, LED projector lamp provided by the utility model can be divided into the first cavity and the second cavity, it is respectively arranged with light distribution structure and electric component in described first cavity and described second cavity, between described first cavity and described second cavity separate, the electric component that can be prevented effectively from described ground floor structure is overheated and impacts the light distribution structure in second layer structure, thus avoid air circulation between described ground floor structure and described second layer structure, play explosion-proof effect.

3, LED projector lamp provided by the utility model includes that at least one lens mate composition one optical system with Reflecting shade structure, described lens act on jointly with described Reflecting shade structure, make the light penetrated by described light source after lens refraction and the reflection of described Reflecting shade structure, project towards certain angle.In addition, by adjusting the angle (such as 70 °-100 °) of described lens and described Reflecting shade structure, the height that can project described LED projector lamp further, scope, illumination etc. are adjusted, by adjust described first reflection shield and as described in the angle (such as 70 °-100 °) of lens, described LED projector lamp light crevice projection angle can be made to raise, and by adjusting described second reflection shield, the 3rd reflection shield and the angle of described lens, then described LED projector lamp light projection scope can be made to broaden.

4, LED projector lamp provided by the utility model farther includes top-surface camber and lower surface camber, described top-surface camber and described lower surface camber are unsymmetric structure and uneven thickness one, and the restriction to described top-surface camber Yu described lower surface camber Curvature varying scope, the light that reflects through described lens and described Reflecting shade structure overall co-ordination can be made, to obtain optimum projection, improve light extraction efficiency, and avoid the formation of the hot spot of local.

5, LED projector lamp provided by the utility model includes ground floor structure and second layer structure, both are additionally provided with a dividing plate, described ground floor structure and described second layer structure are divided into the first above-mentioned cavity and the second cavity by described dividing plate, described dividing plate is additionally provided with at least one wire hole, makes the light distribution structure being arranged in described first cavity and the electric component being arranged in described second cavity is electrically connected with.

6, described electric component farther includes power supply, protective tube, lightning protection device and respirator, and is defined the position between aforementioned four assembly, thus configures the internal structure of described LED projector lamp further, to obtain optimum assembly layout.

[accompanying drawing explanation]

Fig. 1 is the perspective view of the utility model first embodiment LED projector lamp.

Fig. 2 is the detonation configuration schematic diagram of LED projector lamp shown in Fig. 1.

Fig. 3 A is the perspective view of the second layer structure of LED projector lamp shown in Fig. 1.

Fig. 3 B is the perspective view of the first shell of LED projector lamp shown in Fig. 1.

Fig. 4 A is the generalized section of the waterproof construction of LED projector lamp shown in Fig. 1.

Fig. 4 B is enlarged diagram at G shown in Fig. 4 A.

Fig. 5 is the upward view of the utility model the second embodiment LED projector lamp.

Fig. 6 is that the lamp stand mounting structure of the utility model LED projector lamp installs, with lamp stand, the structural representation being connected.

Fig. 7 A is that the lamp stand mounting structure of LED projector lamp shown in Fig. 6 installs, with lamp stand, the perspective view being connected.

Fig. 7 B is the perspective view that shown in Fig. 7 A, the another kind of lamp stand of shape is connected with the installation of LED projector lamp.

Fig. 8 A is that the first installing component shown in Fig. 6 is along the generalized section in C-C direction.

Fig. 8 B is that the second installing component shown in Fig. 6 is along the generalized section in D-D direction.

Fig. 8 C be the first installing component variant embodiment described in Fig. 8 A generalized section.

Fig. 8 D is the generalized section of the first another variant embodiment of installing component described in Fig. 8 A.

Fig. 9 is the generalized section shown in Fig. 6 along F-F direction.

Figure 10 A is the generalized section shown in Fig. 7 A along E-E direction.

Figure 10 B is the generalized section of another embodiment that the lamp stand mounting structure of LED projector lamp in Fig. 7 A coordinates with lamp stand.

Figure 11 is the perspective view of lamp stand another embodiment of mounting structure of the utility model the second embodiment LED projector lamp.

Figure 12 is the perspective view of the light distribution structure of the utility model the 3rd embodiment LED projector lamp.

Figure 13 A is the front view of the lens of LED projector lamp shown in Figure 12.

Figure 13 B is the perspective view of lens shown in Figure 13 A.

Figure 13 C is that lens shown in Figure 13 A are along the cross-sectional view in A-A direction.

Figure 13 D is that lens shown in Figure 13 A are along the cross-sectional view in B-B direction.

Figure 14 A is the light path schematic diagram of the top-surface camber of lens shown in Figure 13 B and lower surface camber.

Figure 14 B is the second side light path schematic diagram of the lens shown in Figure 13 B.

Figure 14 C is the first side profile part light path schematic diagram of lens shown in Figure 13 A.

Figure 14 D-Figure 14 E is the polar coordinates light intensity distributions curve of lens shown in Figure 13 A.

Figure 15 A is the Reflecting shade structure detonation configuration schematic diagram with covering structure of the LED light distribution structure shown in Figure 12.

Figure 15 B is the perspective view of the first reflection shield shown in Figure 15 A in Reflecting shade structure.

Figure 15 C is that the first reflection shield in Reflecting shade structure shown in Figure 15 B is along the generalized section in E-E direction.

Figure 15 D is the front view of the first reflection shield shown in Figure 15 B in Reflecting shade structure.

Figure 15 E is enlarged diagram at H in Figure 15 D.

Figure 16 A is the light path schematic diagram of one embodiment of LED light distribution structure shown in Figure 12.

Figure 16 B is the light path schematic diagram of another angle of LED light distribution structure shown in Figure 16 A.

Figure 17 A is single lamp design sketch of LED light distribution structure shown in Figure 16 A.

Figure 17 B is the equal strength distribution map of LED light distribution structure shown in Figure 16 A.

Figure 17 C-Figure 17 D is the polar coordinates light intensity distributions curve of LED light distribution structure shown in Figure 16 A.

[detailed description of the invention]

In order to make the purpose of this utility model, technical scheme and advantage are clearer, below in conjunction with accompanying drawing and embodiment, are further elaborated the utility model.Should be appreciated that specific embodiment described herein, only in order to explain the utility model, is not used to limit the utility model.

It should be strongly noted that in the utility model, when element is referred to as " being arranged at " or " being located at " another element, it can be directly on another element or can also there is centering elements.Term as used herein " vertically ", " level ", " interior ", " outward ", " on " and D score and similar statement are for illustrative purposes only, it is not intended that limit the utility model.

Referring to Fig. 1-Fig. 2, the utility model first embodiment provides a kind of LED projector lamp 10, and described LED projector lamp 10 includes ground floor structure 20, dividing plate 103 and the second layer structure 30 arranged from top to bottom.

Wherein, described ground floor structure 20 includes one first shell 21, described second layer structure 20 includes a second housing 21, form a light-source chamber (the first cavity) 101 between described dividing plate 103 and the first shell 21, between described dividing plate 103 and second housing 31, form a power source cavity (the second cavity) 102.Due to the setting of described dividing plate 103, seal and separate between described light-source chamber 101 and described power source cavity 102.The mode such as can be screwed up by screw between described dividing plate 103 with described second housing 21, sealing is fixed, connect and fix is connected fixing.

Described first shell 21 is a class triangulo column and the hollow housing with smooth continuous curve surface, the bigger one side being located at described first shell 21 is additionally provided with a light window (non-label), being coated with a cloche 105 on this light window, what it was described LED projector lamp 10 light projects window and can be used for the state in setter observation light-source chamber 101.Wherein, described cloche 105 carries out pressing by described cloche pressing plate 1051.

The bottom of described first shell 21 matches with the shape size of described dividing plate 103.Being additionally provided with a wire hole 1031 on described dividing plate 103, described wire hole 1031 is used for making electric wire between described light-source chamber 101 and described power source cavity 102 to turn on.Separate in order to make between described light-source chamber 101 and described power source cavity 102, described wire hole 1031 is additionally provided with soft rubber stopper, thus avoids air circulation between described light-source chamber 101 and described power source cavity 102, plays explosion-proof effect.

Described ground floor structure 20 farther includes clamping part 23 on a light distribution structure 80 and at least, wherein, described light distribution structure 80 is arranged in described light-source chamber 101, described upper clamping part 23 is arranged on the outer edge at the rear portion of described first shell 21, wherein, the front portion of described first shell 21 refers to the one side of the injection of light in described LED projector lamp 10, and the rear portion of described first shell 21 refers to the one side that do not has any light to penetrate in described LED projector lamp 10.

Described second housing 31 is the hollow housing of a tetragonal body.Being provided with electric component 40 in described power source cavity 102, the inside of described first shell 31 is provided with the snap-in structure (non-label) for electric component described in clamping 40.

The described electric component 40 being arranged in described power source cavity 102 includes power supply 41, an at least protective tube 42, an at least lightning protection device 43, an at least respirator 44 and some wires 45, wherein, described power supply 41 connects described protective tube 42, described lightning protection device 43 and described respirator 44 respectively by described wire 45.In order to make what described wire 45 can be more orderly to be arranged in described power source cavity 102, described electric component 40 also can farther include at least one coupling terminal block 46 and at least one binding post 47, and concrete described coupling terminal block 46 and the quantity of described binding post 47 and installation site and the positions of element such as described power supply 41, described protective tube 42, described lightning protection device 43, size are relevant.

Described second housing 31 farther includes at least one respirator through hole 312, described respirator through hole 312 runs through the outer wall of described second housing 31, described respirator 44 is arranged in described respirator through hole 312, described respirator 44 part stretches out described second housing 31, and another part is arranged in described power source cavity 102.In order to reach optimal gas circulation effect, in some preferably embodiment, described respirator 44 is arranged on described power supply 41 and the vicinity of described lightning protection device 43.

In some preferably embodiment, being also provided with at least one sealing ring 104 between described first shell 21 and described dividing plate 103, between described second housing 31 and described dividing plate 103, described sealing ring 104 can be used for the space making to form sealing between described dividing plate 103 and described first shell 21.Described sealing ring 104 is preferably for the foaming material such as flexible glue, rubber.

Refer to Fig. 3 A, in the second embodiment of LED projector lamp provided by the utility model, corresponding with described first shell 21 before and after described second housing 31.Described second housing 31 farther includes at least one lower connector 34 being arranged on its rear portion and at least one is arranged on the lower snap part 33 of its front portion, position that described lower snap part 33 is arranged with described upper snap part 23 and quantity one_to_one corresponding.In some preferably embodiment, the quantity of described lower connector 34 and described lower snap part 33 is two.The front portion of the anterior and described second housing 31 of described first shell 21 fastens also by between described upper clamping part 23 and described lower clamping part 33.

Described second housing 31 farther includes at least one line three-way hole 311, and described line three-way hole 311 includes waterproof cover 3111 and a waterproof cover sealing ring 3112.Wherein, described waterproof cover sealing ring 3112 is arranged between described line three-way hole 311 and described waterproof cover 3111.The physical location that described line three-way hole 311 is arranged is relevant with the distributing position of the electric component 40 being arranged in described power source cavity 102.In some preferably embodiment, the quantity of described line three-way hole 311 can be also two, three, four or other, specifically can determine according to the number of described wire 45.As in the present embodiment, described second housing 21 includes three line three-way holes 311, and as shown in fig. 3, three described line three-way holes 311 can be separately positioned on rear portion and the both sides of described second housing 21, wherein, direction 901, direction 902 are expressed as electric outlet direction with direction 903.

Described power supply 41 is arranged on described second housing 31 bosom, and described power supply 41 is fixed in described second housing 31 by a power supply bracing frame 411 and a power supply compressing tablet 412.

Described lightning protection device 43 is arranged between described power supply 41 and described respirator 44, and described lightning protection device 43 is fixed in described second housing 31 by described lightning protection device keyset 431.

Described protective tube 42 is arranged on the side of described power supply 41, and described protective tube 42 is fixed in described second housing 31 by described fuse base 421.

Described binding post 47 is arranged between described lightning protection device 43 and described protective tube 42, and described binding post 47 has been intertwined and connected wire 45.Described coupling terminal block 46 is arranged on the opposite side of described power supply 41, and described coupling terminal block 46 has been intertwined and connected wire 45.

In described electric component 40, the arrangement position of each element is effectively reduced the usage amount of wire 45 and avoids wire too much bending occur, and the wiring making wire 45 is more succinct, attractive in appearance, it is simple to setter operates.

As shown in fig. 3, electric wire 904 may pass through described wire hole 1031, is connected with the light distribution structure 80 being arranged on described ground floor structure 20, makes described light distribution structure 80 and described electric component 40 realize being electrically connected with.

Refer to Fig. 4 A-Fig. 4 B, described ground floor structure 20 farther includes connection member 24 at least, described upper connection member 24 is arranged at the front outer edge of described first shell 21, mate one by one with described lower connector 34 and be connected, so that forming attachment structure between the rear portion of the rear portion of described ground floor structure 20 and described second layer structure 30.

As shown in Fig. 4 A-Fig. 4 B, in LED projector lamp 10 provided by the utility model, the edge of described first shell 21 is additionally provided with waterproof construction 313, described waterproof construction 313 farther includes the first waterproof grommet 3131 and the second waterproof grommet 3132, it is internal that the setting of described waterproof construction 313 can prevent water from entering described LED projector lamp 10, and hydropexis can be avoided at the outer surface of described LED projector lamp.

Referring to Fig. 5, in the present embodiment, described second layer structure 30 includes that a second layer shell 31, described second layer shell 31 basal surface are provided with the lamp stand mounting structure 90 of a LED projector lamp.

The lamp stand mounting structure 90 of described LED projector lamp 10 includes installing component (non-label), described installing component includes that the first installing component the 91, second installing component 92 and the 3rd installing component 93, described first installing component 91, described second installing component 92 and described 3rd installing component 93 are separately positioned on the outer surface of described second layer shell 31.

Described first installing component 91 is disposed adjacent with described second installing component 92, stepped setting between described first installing component 91 and described second installing component 92.Described first installing component 91 need to coordinate described second installing component 92 to use.In some preferably embodiment, described installing component may also include the 3rd installing component, the 4th installing component and the 5th installing component, is not herein limited by restriction.

In addition, in other embodiment, the bottom surface of the first installing component 91, in a certain angle between the bottom surface of the second installing component 92 and the bottom surface of the 3rd installing component 93, and described first installing component 91, be coaxial and separate setting between described second installing component 92 and described 3rd installing component 93.

Described first installing component 91 includes the first center the 911, first plane area 912 and the second plane area 913, and described first center 911 is arranged between described first plane area 912 and the second plane area 913.

Described second installing component 92 includes the second center the 921, the 3rd plane area 922 and fourth plane district 923, and described second center 921 is arranged between described 3rd plane area 922 and described fourth plane district 923.

Described first plane area the 912, second plane area the 913, the 3rd plane area 922 and described fourth plane district 923 all can be subdivided into a horizontal plane section (non-label) and a cambered surface section (non-label) composition respectively.Wherein, described first plane area 912 is symmetrical arranged with described second plane area 913, and described 3rd plane area 922 is symmetrical arranged with described fourth plane district 923.

Described 3rd installing component 93 includes at least two installing hole 931, two and above described installing hole 931 are for being correspondingly arranged, it is preferably diagonal angle to arrange, in some preferably embodiment, the quantity of described installing hole 931 is four, and four described installing holes 931 are separately positioned at four angles of described second layer shell 31.In some other embodiments, the quantity of described installing hole 931 also may further be five, six, seven, eight etc., and its concrete quantity is unrestricted, can do corresponding adjustment according to the actual demand of Projecting Lamp product.

Described 3rd installing component 93 farther includes an installation flat board 932 (label part Fig. 8), and described installation flat board 932 is provided with the through hole (not shown) corresponding with described position of mounting hole and quantity.Described installation flat board 932 can be used for connecting other mounting structure of peripheral hardware, so that other mounting structure of peripheral hardware is equally applicable to the Projecting Lamp 10 provided in the utility model.

Referring to Fig. 6-Fig. 7 A, it is provided that a lamp stand 96, described lamp stand 96 is rectangular shape, and described lamp stand 96 one end is stretched in the lamp stand mounting structure 90 of the described LED projector lamp 10 being arranged on described second layer shell 31 outer surface, and setting in parallel.The lamp stand mounting structure 90 of described LED projector lamp 10 farther includes screw member 94 and a fixed component 95, described screw member 94 includes that what at least two was symmetricly set on described first installing component 91 and/or the second installing component 92 both sides screws up hole 941, as shown in Figure 3, in one preferably embodiment, it is symmetrically arranged with respectively in the both sides (both sides of the most described lamp stand 96) of the second installing component 92 and screws up hole 941.

Described fixed component 95 includes at least one anchor ear 952 and mates, with the described hole 941 that screws up, the nut 952 arranged.In some preferred embodiments, the quantity of described anchor ear 952 is preferably two, and described anchor ear 952 is coordinated with the described portion 941 that screws up by described nut 952, thus is fixed by the lamp stand mounting structure 90 of described lamp stand 96 with described LED bar.

Referring to Fig. 7 B, in a further embodiment, described lamp stand 96 can be also cylindric, and described lamp stand 96 also can be connected by fixed component 95 is fixing with the second installing component 92 with the first installing component 91 in the lamp stand mounting structure 90 of described LED projector lamp 10.

Refer to Fig. 8 A, in described first installing component 91, described first the most described first plane area 912 in center 911 and described second plane area 913 being arranged between described first plane area 912 and the second plane area 913.Difference in height between the highest plane and the k level of described first center 911 of described first installing component 91 is h1.

Also known that by figure, described first center 911 is arc-shaped curved surface, first plane area 912 and the second plane area 913 are half arc-shaped curved surface that shape is symmetrical, and the surface of described first center 911, described first plane area 912 and described second plane area 913 forms the curved surface of continuously smooth.The curvature of described first center 911 is 0-0.1, and described curvature is more excellent for 0-0.0630.Described first plane area 912 is 0-0.08 with the curvature of described second plane area 913, and described curvature is more excellent for 0-0.04.

Refer to Fig. 8 B, in described second installing component 92, described second the most described 3rd plane area 922 in center 921 and the fourth plane district 923 being arranged between described 3rd plane area 922 and described fourth plane district 923.Difference in height between the highest plane and the k level of described second center 921 of described second installing component 92 is h2.Wherein, described difference in height h1 is more than described difference in height h2.

Also known that by figure, described second center 921 is arc curve, 3rd plane area 922 and fourth plane district 923 are half arc curve that shape is symmetrical, and the surface in described second center 921, described 3rd plane area 922 and described fourth plane district 923 forms the curved surface of continuously smooth.The curvature of described second center 921 is 0-0.1, and described curvature is more excellent for 0-0.0630.Described 3rd plane area 922 is 0-0.08 with the curvature in described fourth plane district 923, and described curvature is more excellent for 0-0.04.

Referring to Fig. 8 C, in a further embodiment, the cross section of described first center 911 ' is the concavity formed by three sections of straight lines, and described first plane area 912 ' also has multistage straight line to be formed with described second plane area 913 '.

Refer to Fig. 8 D, in a further embodiment, described first center 911 " cross section also may further be right angle concavity, described first plane area 912 " with described second plane area 913 " is the L shape with 60 °-90 ° of inclination angle.

Referring to Fig. 9, the first center 911 in described first installing component 91 includes that one first fulcrum district 9111, described first fulcrum district 9111 are arranged on one end near described LED projector lamp 10 center, described first center 911.From in figure, described first center 911 is 90 ° with the angle of vertical direction.

The second center 921 in described second installing component 92 includes that one second fulcrum district 9211, described second fulcrum district 9211 are arranged on one end near described LED projector lamp 10 center, described first center 921.From in figure, described second center 921 has certain angle of inclination a, and (angle of described second center 921 and vertical direction is the inclined-plane of angle of inclination a), described angle of inclination a is 0 °-5 °, described angle of inclination a is more preferably 1 °-5 °, and optimum is 3 °, 4 °, 4.5 ° or 5 °.

In some preferably embodiment, the second center the 921, the 3rd plane area 922 in described second installing component 92 all tilts identical angle with fourth plane district 923 relative to described second installing component 91.

The thickness h 3 in described first fulcrum district 9111 is 0.5-4mm, described thickness h 3 more preferably 1-3mm, described thickness h 3 more preferably 2mm.The thickness h 4 in described second fulcrum district 9211 is 0.5-4mm, described thickness h 4 more preferably 1-3mm, described thickness h 4 more preferably 1.5mm, 2mm, 2.5mm or 3mm.

Refer to Figure 10 A, first detailed description of the invention of the lamp stand mounting structure 90 of LED projector lamp 10 described in the utility model is as follows: when the described lamp stand 96 with rectangular shape contacts with described second installing component 92 and fits, described lamp stand 96 is parallel with described second installing component 92, and described second installing component 92 is setting angle a1 with the angle of vertical direction.Now, the end of described lamp stand 96 contacts with the second fulcrum district 9211 of described the second half cambered surfaces 921, the surface of described lamp stand 96 contacts with the surface of described second installing component 92, owing to described second installing component 92 surface is the face of continuously smooth, therefore, when the surface of described lamp stand 96 with described second installing component 92 contacts, it is possible to increase contact area and lifting surface area.Further, use two described anchor ears 951 to coordinate described nut 952 to screw up hole 941 with described, described lamp stand 96 is fixedly mounted on the second layer shell 31 of described Projecting Lamp 10.

Refer to 10B, second detailed description of the invention of the lamp stand mounting structure 90 of LED projector lamp described in the utility model is as follows: the second detailed description of the invention is with the difference of the first detailed description of the invention, the described lamp stand 96 with rectangular shape contacts with described first installing component 91 and fits, now, described lamp stand 96 is setting angle a2 with the angle of vertical direction.The end of described lamp stand 96 contacts with the first fulcrum district 9111 of described the first half cambered surfaces 911, the surface of described lamp stand 96 contacts with the surface of described first installing component 91, and described lamp stand 96 surface only contacts away from the surface of one end of described Projecting Lamp 10 with described second installing component 92.

Wherein, described setting angle a1 is more preferably 0 °-5 ° more than or equal to described setting angle a2, described setting angle a1 and described setting angle a2, also can more preferably 3-5 °, as being specially 3 °, 4 °, 4.5 °, 5 ° or 5.5 °.Wherein, in one preferably embodiment, described setting angle a1 is 5 °, and described setting angle a2 is 0 °.

As shown in Figure 7A, being combined with rectangular-shaped lamp stand 96 for described LED projector lamp 10 in fig. 7, in installation process, when the angle of setting angle Yu described vertical direction is 0 °, described lamp stand 96 can the first plane area 912 and the second plane area 913 contact.When the angle of setting angle Yu described vertical direction is 5 °, described lamp stand 96 can the 3rd plane area 922 and fourth plane district 923 contact.

As shown in fig.7b, be combined with columned lamp stand 96 for described LED projector lamp 10 in figure 7b, in installation process, when the angle of setting angle Yu described vertical direction is 0 °, point cantact that described lamp stand 96 can connect with the first plane area 912 and the second plane area 913 with the first center 911 or contact with the central point of the first center 911.When the angle of setting angle Yu described vertical direction is 5 °, point cantact that described lamp stand 96 can connect with the 3rd plane area 922 and fourth plane district 923 with the second center 911 or contact with the central point of the first center 921.

Refer to Figure 11, described 3rd installing component 93 farther includes an installation flat board 932, described installing plate 932 is provided with at least two and described installing hole 931 and matches the through hole (non-label) arranged, can be screwed up by screw fixing between described through hole and described installing hole 931, thus described installing plate 932 is fixed on described second layer shell 31.May also include the fixed structure combined with described lamp stand 96 on described installing plate 932, such as snap-in structure, screw up structure, fastening structure etc..

In certain embodiments, the lamp stand mounting structure 90 of described LED projector lamp 10 could be applicable to be shaped as the installation of the described lamp stand 96 of the shapes such as triangle column, half arc column shape, ellipse, described lamp stand 96 can be hollow tubular or solid rod-like, by coordinating different size anchor ear 931, the lamp stand mounting structure 90 of described LED projector lamp could be applicable to the installation of the lamp stand 96 of different size size, and has stronger practicality.Compared with prior art, the lamp stand mounting structure 90 of LED projector lamp provided by the utility model can realize being formed between lamp stand and described Projecting Lamp 10 setting angle of 0-5 °, has stronger practicality.

The lamp stand mounting structure 90 of LED projector lamp 10 provided by the utility model has the first installing component 91 and the second installing component 92, the most in gradient arrange and in certain setting angle, described second installing component 92 near one end of described first installing component 91 to one end increasing height away from described first installing component 91.Therefore, when coordinating installation with described lamp stand 96, can effectively increase the lamp stand mounting structure 90 of described LED projector lamp and the contact surface of described lamp stand 96, thus increase the stability of installation.

Lamp stand mounting structure 90 in LED projector lamp 10 provided by the utility model, described installing component includes a center 911 (912) and is symmetricly set on the plane area 912 (922) or 913 (923) of both sides, center 911 (912), the curvature of described center is 0-0.1, and the curvature of described plane area is 0-0.08.Such setting, is applicable to the installation of difform lamp stand, all can obtain bigger installation contact surface in above-mentioned installing component such as cylinder, cuboid or triangulo column.

LED projector lamp 10 provided by the utility model includes that being provided with at least two on the both sides of at least one anchor ear 951, described installing component and described lamp stand 96 parallel direction screws up hole 941, and described anchor ear 951 is connected with screwing up hole 941.By using anchor ear to fix, it is possible not only to simplify installation steps, also by the selection of anchor ear size and shape, is applicable to the installation of the lamp stand of different size size.

Lamp stand mounting structure 90 in LED projector lamp 10 provided by the utility model includes the 3rd installing component 93, the other types mounting structure that the 3rd installing component 93 is provided with in addition to rod-like structure, therefore has stronger practicality.

Compared with prior art, LED projector lamp 10 provided by the utility model coordinates with the lamp stand 96 of various difformities, size, and can necessarily install at angle of inclination, has stronger practicality.

The surface of the lowest surfaces of installing component described in LED projector lamp 10 provided by the utility model (including the first installing component 91 and the second installing component 92) and the second layer shell 31 of described LED projector lamp 10 is at an angle, can realize also installing in certain angle of inclination between described LED projector lamp 10 and described lamp stand 96, so that the installation of described LED projector lamp 10 and use are the most convenient.

In LED projector lamp 10 provided by the utility model, described first installing component 91 is arranged in gradient with described second installing component 92, and gradient can be beneficial to difform described lamp stand 96 can be tightr with the laminating of described installing component.

Further, in LED projector lamp 10 provided by the utility model, described installing component includes a center (first center 911 or the second center 921) and is symmetricly set on the plane area (the first plane area 912 and the second plane area 913 or the 3rd plane area 922 and fourth plane district 923) of both sides, center；Described plane area is made up of a horizontal plane section and a cambered surface section.Wherein, the curvature of described center is 0-0.1, and the curvature of the cambered surface section of described plane area is 0-0.08, and the binding face between described lamp stand 96 and described installing component can be made bigger, so that its installation fixed structure is the most firm.

In LED projector lamp 10 provided by the utility model, the setting angle of described first installing component 91 is 0 °, the setting angle of described second installing component 92 is 5 °, and the setting angle that described lamp stand 96 is arranged on described first installing component 91 is arranged on the setting angle on described second installing component more than or equal to described lamp stand 96, and this setting angle is 0 °-5 °, the setting angle of described lamp stand 96 with described LED projector lamp 10 is carried out further restriction.

In LED projector lamp 10 provided by the utility model, described first installing component 91 includes one first fulcrum district 9111, described second installing component 92 includes one second fulcrum district 9211, and the thickness in described first fulcrum district 9111 and described second fulcrum district 9211 is respectively 0.5-4mm, the position (first fulcrum district 9111 and the second fulcrum district 9211) that stress in described lamp stand mounting structure 90 is bigger can be carried out thickening design by such setting, thus can extend the service life of described lamp stand mounting structure 90.

In LED projector lamp 10 provided by the utility model, installing component described at least two is coaxial and separate setting, and it provides the mounting means of another described lamp stand 96.

LED projector lamp 10 provided in the utility model also can use anchor ear 952 and screw up hole 941 fit system and be connected with described LED projector lamp 10 by described lamp stand 96, an installing plate 932 also can be used to coordinate other fixed structures to use, the lamp stand mounting structure 90 making LED projector lamp 10 provided by the utility model is widely portable to the lamp stand of variously-shaped size, and meets the multiple demand to setting angle.

Refer to Figure 12, described light distribution structure 80 includes three lens 81, Reflecting shade structure 82 and a light source 83 being correspondingly arranged with described lens 81, wherein, described lens 81 are arranged in described Reflecting shade structure 82, and described light source 83 can embed and be arranged in described lens 81.

In a further embodiment, the quantity of described lens 81 can be adjusted according to actual needs, and the quantity of described lens 81 and matched described light source 83 can be 2,3,4 or 5, and its arrangement mode is the most unrestricted.

Referring to Figure 13 A-13D, described lens 81 include top-surface camber 811, lower surface camber 812 and a lower plane 816, and described top-surface camber 811 connects with described lower plane 816, and described lower surface camber 812 is formed by indent in the middle part of described lower plane 816.Described top-surface camber 811 and described lower surface camber 812 are smooth continuous curve surface.

Described top-surface camber 811 is additionally provided with symmetrically arranged two first sides 801 with the joint of described lower plane 816, described lens 81 farther include second side 802 being arranged on described in two between first side 801, and described first side 801, described second side 802 are connected at an angle with described lower plane 816.

In the present invention, described light source 83 light produced is totally reflected by the 801, second side 802, described first side, thus plays the effect of ray-collecting.

Described first side, described second side 802 are respectively 0 °-45 ° with the angle of described lower plane 816, described angle is preferably set to 25-45 °, adjust according to actual optical requirement and materials, the most described angle most preferably 35 °, the setting of described angle can adjust according to actual optical requirement and materials, is not herein limited by restriction.

As shown in Figure 13 B, described lens 81 farther include two grooves 813 being symmetricly set on described lower surface camber 812 and described lower plane 816 joint.Described groove 813 respectively with described lower surface camber 812 UNICOM, described groove 813 matches fixing for the described notch 8311 with described light source compressing tablet 831, so that described light source compressing tablet 831 is in installation process, can effective precise positioning, it is also possible to prevent described light source 83 from causing displacement due to the vibrations of described LED projector lamp 10.

In the present embodiment, surrounding at described lower plane 816 also includes four projections 814, the setting of described projection 814, then can avoid owing to described light source 83 has certain thickness, during installing and embedding described lens 81, the problem producing gap between described lens 81 and described light source 83, thus the collection being more beneficial for veiling glare is gathered.

Described lens 81 farther include two symmetrically arranged lens through holes 815 and lens projection (non-label), described lens through hole 815 is each passed through described first side and top-surface camber 811 and described second side and top-surface camber 811, and described lens projection is separately positioned on described first side and described second side.Described lens projection is hollow structure, described lens projection is through with described lens through hole 815 to be connected, described lens through hole 815 matches with described lens projection, for being screwed fixing by described lens 81, described light source 83 by screw with described first covering plate 841.The internal diameter of described lens through hole 815 is 7mm-8mm, and its internal diameter is preferably 7.5mm, and the internal diameter of described lens projection can be 3.5mm-5.5mm, and in the present embodiment, the internal diameter of described lens through hole is chosen as 4mm.

Described top-surface camber 811 and described lower surface camber 812 are the free form surface of continual curvature change, and the curvature of described top-surface camber is less than the curvature of described lower surface camber.In some preferred embodiments, described top-surface camber 811 is a lens exiting surface, and described lower surface camber 812 is a lens incidence surface.Described top-surface camber 811 is symmetrical, the most asymmetric, according to the difference of view, it is possible to symmetrical, left-right asymmetry before and after being interpreted as, defined herein as symmetrical around, the most asymmetric.Described lower surface camber 812 is also symmetrical, the most asymmetric, according to the difference of view direction, it is possible to be interpreted as left-right asymmetry, symmetrical front and back, defined herein as symmetrical around, and the most asymmetric structure.Described lower surface camber 812 is directly transmitted to lower surface camber 812 with the light of described light source 83.

In the present embodiment, the width of described top-surface camber 811 is 40mm-80mm, the width of described top-surface camber 811 is more preferably 50mm-80mm, the width of described top-surface camber 811 is more excellent can be also 70mm-80mm in the present embodiment, the width of described top-surface camber 811 is chosen as 77.38mm；The a length of 40mm-85mm of described top-surface camber 811, described lower surface camber 812 more preferably length for top-surface camber described in 50mm-85mm 811 is preferably 77mm-83mm, and in the present embodiment, the length of described top-surface camber 811 is chosen as 79.44mm.The width of described lower plane 816 is 30-55mm, and the width of described lower plane 816 is more preferably 40mm-50mm, and in the present embodiment, the width of described lower plane 816 is chosen as 48.43mm；The a length of 30-60mm of described lower plane 816, the length of described lower plane 816 is more preferably 40mm-55mm, and the length of described lower plane 816 is more excellent for 51mm-55mm, and in the present embodiment, the length of described lower plane 816 is chosen as 54mm.

The maximum height of described lens 81 is 20mm-43mm, and the maximum height of described lens 81 is more preferably 25mm-40mm, and the maximum height of described lens 81 can be also more preferably 33mm-40mm；In the present embodiment, the maximum gauge of described lens 81 is chosen as 37.7mm.

As shown in fig. 14 a, with the initial point that the center of described light source 83 is an XYZ coordinate axle, Z axis defines the short transverse of described lens 81, and Y-axis defines the length direction of described lens 81, and X-axis defines the width (X-axis is towards paper direction) of described lens 81.

Described top-surface camber 811 line on the basis of W axle as shown in fig. 14 a can be divided into front top-surface camber 8111 and rear top-surface camber 8112, wherein, described W axle is to be positioned at the middle Y-axis negative direction of described XYZ coordinate axle and through described lower surface camber 812 and the joining of described lower plane 816, described W axle is the normal of described top-surface camber 811 further, and described front top-surface camber 8111 is smooth with described rear top-surface camber 8112 intersection.

In the present embodiment, described front top-surface camber 8111 is plane of polarisation, and it dissipates and penetrates described lens 81 with can making the uniform light penetrated by described light source 83.Described rear top-surface camber 8112 is for receiving light face, described rear top-surface camber 8112 and described first side 801 with the use of, the light that described light source 83 can be made to penetrate is totally reflected (can be also birefringence), thus can play and collect the light that rising angle is bigger, improve the effect of described light source 83 light utilization efficiency.

Before and after described top-surface camber 811 asymmetric (i.e. asymmetric along Y direction), therefore, described front top-surface camber 8111 also differs with the surface equation of described rear top-surface camber 8112.

The surface equation formula of described front top-surface camber is:

Z=H₁-k₁X⁴-k₂(Y+L₁)⁴-k₃X²×2(Y+L₁)²-k₄X²-a(Y+L₁)²(1)；

Wherein, Z >=0, Y≤-L₁；

The surface equation formula of described rear top-surface camber is:

Z=H₁-k₁X⁴-k₂(Y+L₁)⁴-k₃X²×2(Y+L₁)²-k₄X²-b(Y+L₁)²(2)；

Wherein, Z >=0, Y >=-L₁；

In above-mentioned formula (1) and formula (2), width value, length value and the height value that the most corresponding described top-surface camber 811 of X, Y, Z is defined at X-axis, Y-axis and Z axis.Described H₁Value is further represented as the maximum height of described top-surface camber 811, wherein, in the present embodiment, H₁=37.7mm；

Described L₁Value is a constant, L₁The number range of value is 5-20mm, described L₁Value is more preferably 9-15mm, in the present embodiment, described L₁Value is chosen as 14.4mm.

Described k₁Value, k₂Value, k₃Value, k₄Value and a value are a constant, described k₁Value, k₂Value, k₃Value, k₄The number range of value and a value is 0-1, described k₁Value, k₂Value, k₃The number range of value is preferably 1 × 10^-6-1×10^-4, described k₄The number range of value and described a value is preferably 1 × 10^-3-0.1。

In the present embodiment, described lower surface camber 812 line on the basis of V axle shown in Figure 14 A can be divided into front lower surface camber 8121 and rear lower surface camber 8122, wherein, described V axle is to be positioned at the middle Y-axis positive direction of described XYZ coordinate axle and through described lower surface camber 812 along Y direction midpoint, described V axle is the normal of described lower surface camber 812 further, and described front lower surface camber 8121 is smooth with described rear lower surface camber 8122 intersection.

Before and after described lower surface camber 812 asymmetric (asymmetric along Y direction), therefore, described front lower surface camber 8121 also differs with the surface equation of described rear top-surface camber 8122.

The surface equation of described front lower surface camber is:

Z=H₂-f₁X²-f₂(Y-L₂)²(3)；

Wherein, Z >=0, Y≤L₂。

The surface equation formula of described rear lower surface camber 8122 is:

Z=H₂-f₁X²-f₃(Y-L₂)² (4)。

Wherein, Z >=0, Y >=L₂。

In above-mentioned formula (3) and formula (4), width value, length value and the height value that the most corresponding described lower surface camber 812 of X, Y, Z is defined at X-axis, Y-axis and Z axis.Described H₂Value is further represented as the maximum height of described lower surface camber 812, wherein, in the present embodiment, H₁=22.5mm；Described L₂Value is a constant, L₂The number range of value is 1-15mm, described L₂Value is more preferably 5-12mm, in the present embodiment, described L₁Value is chosen as 9.7mm.

Described f₁Value, f₂Value and f₃Value is a constant, described f₁Value, f₂Value and f₃The number range of value is 0-1, described f₁Value, f₂Value and f₃Value is more preferably 1 × 10^-3-1.In certain embodiments, described f₁Value and f described in the Curvature varying positive correlation in X-direction of the described lower surface camber 812₂Value, f₃Value respectively with described front lower surface camber 8121 and the Curvature varying positive correlation in Y direction of the described rear lower surface camber 8122.

Use above-mentioned surface equation that described top-surface camber 811 is defined with described lower surface camber 812, be conducive to obtaining light distribution effect and uniform luminance more accurately, compared with the structure being only capable of making described LED uniform-illumination in prior art, use the lens 81 described in the utility model, more excellent light-out effect can be obtained.

The light of described light source 83 injection light path trend after described lens 81 is concrete as shown in Figure 14 A-14C, and concrete light path can be divided into the most several:

Light path I: as shown in I in Figure 14 A, after the light that described light source 83 sends sequentially passes through the lower surface camber 812 of described lens 81, top-surface camber 811 reflects, projects at a certain angle, and in described light path I, light occurs twice refraction.

Light path II: as shown in II in Figure 14 A, the light sent when described light source 83 is perpendicular in the tangential direction described lens 83 of entrance of described lower surface camber 812, light does not reflects, after light continues through the refraction of described top-surface camber 811, project at a certain angle, in described light path II, light generation unirefringence.

Light path III: as shown in III in Figure 14 A, after the light that described light source 83 sends first passes around lower surface camber 812 refraction, the tangential direction being perpendicular to described top-surface camber 811 penetrates described lens 81, now, light does not reflects, in described light path III, and light generation unirefringence.

Light path IV: as shown in Figure 14 B, the light sent by the center (i.e. the initial point of X-Y-Z reference axis) of described light source 83 is after described after lower surface camber 8122, inject after being totally reflected at described first side 801, penetrate described lens 81 via described front top-surface camber 8112.

Light path V: as shown in Figure 14 C, described light source 83 light penetrated is after described lower surface camber 812, and light continues on through described first side 802 and described second side 802 and is totally reflected, and penetrates described lens 83 via described top-surface camber 811.

In the utility model, use described lens 81 can obtain bigger polarizing angle, by adjusting exiting surface and the curvature of plane of polarisation of described lens 81, make described lens 81 be applicable in multiple different LED projector lamp, and meet multiple different rising angle.

Refer to Figure 14 D-Figure 14 E, test the light of described light source 83 after described lens 81 at the light intensity value of different angles, so that the spatial distribution state of light intensity to be described.The distribution in space of the luminous intensity of described lens 81 is specific as follows:

Defining a region-wide light intensity maximum is I_max, as shown in fig. 14d, when the light of described lens 81 is in C0 plane, corresponding angle is 40.1 °, and its largest light intensity corresponds to 0.7 times of I_max；When the light of described lens 81 is in C90 plane, corresponding angle is 139.2 °, and its largest light intensity corresponds to 0.15 times of I_max。

As shown in Figure 14 E, when when C130 plane and C230 plane γ angle are 62.5 °, it has region-wide largest light intensity I_max(such as I_maxFor 2000cd).

Referring to 15A-Figure 15 E, described Reflecting shade structure 82 includes that at least two and described lens 81 are in the reflection shield of 70 °-100 °.In certain embodiments, described Reflecting shade structure 82 includes one first reflection shield 821,1 second reflection shield 822 and one the 3rd reflection shield 823, and described second reflection shield 822 and described 3rd reflection shield 823 are respectively relative to described first reflection shield 821 and are vertically arranged.The curvature of described first reflection shield 821 is 0.0250-0.0400, and the curvature of described first reflection shield 821 is preferably 0.0280-0.0300.Angle between described first reflection shield 821 and described lens 81 is 75 °-87 °, and described angle is preferably 78 °-85 °, also may further be 79 °-82 °.

Described first reflection shield 821 can be further subdivided into and be combined by one first platform 8211,1 second platform 8212 and one the 3rd platform 8213, and wherein, described second platform 8212 is arranged between described first platform 8211 and described 3rd platform 8213.Described first platform 8211 is horizontally disposed with relative to described LED projector lamp 10 with described 3rd platform 8213, and described first platform 8211 and described 3rd platform 8213 be not on same horizontal plane.In order to realize maximum light extraction efficiency, described second platform 8212 is an arc surface, and its thickness is 1-3mm, and its thickness is preferably 1.5-2.5mm, in the present embodiment, and thickness concretely 1mm, 2mm or 3mm of described second platform 8212.The curvature of described second platform 8212 is-0.0100-0.0300, curvature more preferably-0.0130-0.0250, curvature is preferably-0.015-0.0332, in the present embodiment, described curvature can be the most also-0.0013mm ,-0.0010mm, 0mm, 0.0100mm, 0.0013mm, 0.0232mm or 0.0332mm.

As shown in Figure 15 D, described first platform 8211 is smooth " convex " type platform, is provided with a window (non-label) at the middle part of described first platform 8211.Described 3rd platform 8213 is a trapezoid platform.Described second platform 8212 is a rectangular platform with certain radian.

Second platform 8212 of described first reflection shield 821 be respectively arranged at two ends with an interface arrangment 8214, described interface arrangment 8214 matches with the 3rd reflection shield 823 with described second reflection shield 822, is used for making described first reflection shield 822 and the 3rd reflection shield 823 be connected to described first reflection shield 821.

As shown in Figure 15 E, described interface arrangment 8214 is a curved surface, and the thickness of described interface arrangment 8214 is 3mm-5mm, most preferably 4mm.The curvature of described interface arrangment 8214 is 0.01-0.03, and the curvature of described interface arrangment 8214 is preferably 0.015-0.03, and in the present embodiment, the curvature of described interface arrangment 8214 is chosen as 0.020-0.25.

Described second reflection shield 822 and a length of 40mm-55mm of the 3rd reflection shield 823, can be also 45mm-50mm, be more preferably 47mm-49mm, concretely 46mm, 47mm, 48mm or 49mm.Described second reflection shield the 822, the 3rd reflection shield 823 is respectively 70 °-100 ° with the angle of described lens 81, described angle is more preferably 80-95 °, described second reflection shield the 822, the 3rd reflection shield 823 need to be not herein limited by restriction according to the optical circuit path of described light distribution structure 80 to mating with the angle of described lens 81.Described second reflection shield 822 is relevant with the size of described LED projector lamp 10 and structure thereof to the height of the 3rd reflection shield 823, is not herein limited by restriction.

In a further embodiment, described interface arrangment 8214 position is set and described second reflection shield 822 also can be adjusted according to the actual requirement of described light distribution structure 80 with the dimensional parameters of the 3rd reflection shield 823, be not herein limited by restriction.

In some preferably embodiment, described second reflection shield 822, described 3rd reflection shield 823 may also set up reflective surface, described reflective surface need to carry out mirror finish, and polishing precision is SPI-A1, Ra≤0.03mm, Rt≤0.05mm.

The material of described first reflection shield the 821, second reflection shield 822 and the 3rd reflection shield 823 is preferably anti-ultraviolet PC, high luminescent material etc., and the fire-protection rating of described first reflection shield the 821, second reflection shield 822 and the 3rd reflection shield 823 reaches UL94V2.

As shown in figure 15 a, described light distribution structure 80 also includes a covering structure 84, described covering structure 84 includes one first covering plate 841,1 second covering plate 842 and one the 3rd covering plate 843, described second covering plate 842 and described 3rd covering plate 843 are vertically arranged relative to described first covering plate 841, and described first covering plate 841, described second covering plate 842 and described 3rd covering plate 843 collectively form one " recessed " type structure.Described first covering plate 841 reflection shield is 80 °-100 ° settings.

Described covering structure 84 is equipped with described Reflecting shade structure 82, and described Reflecting shade structure 82 is positioned at described covering structure 84, and described covering structure 84 has same opening with described Reflecting shade structure 82.

Described LED projector lamp mode can the person of being easily installed be level by described level meter 85 when mounted.In some preferably embodiment, described first reflection shield 821 is additionally provided with the window (non-label) for placing described level meter 85.

Referring to Figure 16 A-Figure 16 B, in the utility model, described lens 81, described reflection shield 82 etc. collectively form an optical system.Wherein, the light that the described light source 83 being contained in described lens 81 sends reflects or the backward described outer injection of lens 83 of mirror-reflection through described lens 83, light is after described Reflecting shade structure 82 (such as the first reflection shield the 821, second reflection shield 822 or the 3rd reflection shield 823) carries out mirror-reflection, can project at a certain angle, to reach optimal light extraction efficiency.In the present embodiment, described light extraction efficiency can reach more than 70%.

The concrete light path of described LED projector lamp 10 can be divided into the most several:

Light path 1: on the basis of above-mentioned light path I-V, described lens 81 light reflected is via described first reflection shield 821 (see Figure 15 B) reflection, thus realizes carrying out light polarisation irradiation at a certain angle.By adjusting the angle angle of the first reflection shield 821 and described lens 81, the height that LED projector lamp 10 light described in adjustable irradiates.

Light path 2: on the basis of above-mentioned light path I-V, the light reflected by described lens 81 reflects via described second reflection shield 822 and/or the 3rd reflection shield 823 (see Figure 15 A), thus realize carrying out light polarisation irradiation at a certain angle, by adjusting the angle angle of the second reflection shield 822 and/or the 3rd reflection shield 823 and described lens 81, the regional extent of LED projector lamp 10 projection described in adjustable and illumination.

In the present embodiment, three described coplanar settings of light source 83, the light that the angle that the described light source 83 being disposed adjacent sends strengthens can be reflected by described second reflection shield 822 or the 3rd reflection shield 823 and uniformly be penetrated described LED projector lamp 10, therefore, use optical system as above thus uniform light can be made to be distributed on described irradiated object, it is to avoid the locally appearance of hot spot.

In some embodiments that the utility model is other, described light is after the refraction through described lens 81, can reflect through one or more in described first reflection shield 821, described second reflection shield 822,10, thus the light projection of multiple different angles can be realized.Its concrete optical routing light angle determines, therefore, above-mentioned optical circuit path is not as restriction.

Referring to Figure 17 A, from single lamp design sketch (or pseudo-chromatic graph) of described lens 81 it can be seen that the described optical system described light source 83 of cooperation has the effect of the light-ray condensing to LED etc., wherein color is the whitest, and it represents that brightness value is the biggest.

Refer to Figure 17 B, it is illustrated that representing that described LED projector lamp 10 is 1.4m with the distance of shadow surface, it is width x length=3m × 6m that light is incident upon the irradiation area on described shadow surface.Defining described irradiation area maximal illumination value is E_max, brightness value is successively decreased to surrounding by described irradiation area center, and its irradiation area boundary brightness value is 0.15 times of E_max。

Referring to Figure 17 C-Figure 17 D, definition one region-wide light intensity maximum is I_max, as shown in fig. 17 c, when the light of described optical system is in C0 plane, corresponding angle is 27.9 °, and its largest light intensity corresponds to 0.47 times of I_max；When the light of described optical system is in C90 plane, corresponding angle is 126.7 °, and its largest light intensity corresponds to 0.04 times of I_max。

When C300 plane and C60 plane γ angle are 51.5 °, it has region-wide largest light intensity I_max(such as I_maxFor 9631cd).

Compared with prior art, the provided LED projector lamp of the utility model 10 has the advantage that

2, LED projector lamp 10 provided by the utility model can be divided into the first cavity 101 (such as light-source chamber) and the second cavity 102 (such as power source cavity), described first cavity 101 is respectively arranged with light distribution structure and electric component 40 in described second cavity 102, between described first cavity 101 and described second cavity 102 separate, the electric component 40 that can be prevented effectively from described ground floor structure 20 is overheated and impacts the light distribution structure 80 in second layer structure 30, thus avoid air circulation between described ground floor structure 20 and described second layer structure 30, play explosion-proof effect.

3, LED projector lamp 10 provided by the utility model includes that at least one lens 81 mate composition one optical system with Reflecting shade structure 82, described lens 81 act on jointly with described Reflecting shade structure 82, make the light penetrated by described light source 83 after lens 81 reflect and described Reflecting shade structure 82 reflects, project towards certain angle.In addition, by adjusting the angle (such as 70 °-100 °) of described lens 81 and described Reflecting shade structure 82, the height that can project described LED projector lamp further, scope, illumination etc. are adjusted, by adjust described first reflection shield 821 and as described in the angle (such as 70 °-100 °) of lens 81, described LED projector lamp light crevice projection angle can be made to raise, and by adjusting the angle of described second reflection shield the 822, the 3rd reflection shield 823 and described lens 81, then described LED projector lamp 10 light projection scope can be made to broaden.

4, LED projector lamp 10 provided by the utility model farther includes top-surface camber 811 and lower surface camber 812, described top-surface camber 811 is unsymmetric structure and uneven thickness one with described lower surface camber 812, and the restriction to described top-surface camber 811 with described lower surface camber 812 Curvature varying scope, can make through described lens 81 and the overall co-ordination of described Reflecting shade structure 82 be a complete optical system, to obtain optimum light projection, improve light extraction efficiency, and avoid the formation of the hot spot of local.

5, LED projector lamp 10 provided by the utility model includes ground floor structure 20 and second layer structure 30, both are additionally provided with a dividing plate 103, described ground floor structure 20 is divided into the first above-mentioned cavity 101 and the second cavity 102 with described second layer structure 30 by described dividing plate 103, described dividing plate 103 is additionally provided with at least one wire hole 1031, makes the light distribution structure 80 being arranged in described first cavity 101 be electrically connected with the electric component 40 being arranged in described second cavity 102.

6, described electric component 40 farther includes power supply 41, protective tube 42, lightning protection device 43 and respirator 44, and the position between aforementioned four assembly is defined, thus further the internal structure of described LED projector lamp 10 is configured, to obtain optimum assembly layout.

The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all any amendments made within principle of the present utility model, within equivalent and improvement etc. all should comprise protection domain of the present utility model.

Claims

1. a Novel LED projection lamp, it is characterised in that: described LED projector lamp includes a ground floor structure and a second layer structure, Described LED projector lamp farther includes a light distribution structure and a lamp stand Mounting structure, described light distribution structure is arranged on described ground floor structure In, described lamp stand mounting structure is positioned at the end of described second layer structure Surface.

Novel LED projection lamp the most as described in the appended claim 1, its Be characterised by: described ground floor structure and described second layer structure it Between be provided with a dividing plate, described dividing plate includes at least one wire hole, institute State wire hole and run through described dividing plate.

Novel LED projection lamp the most as described in the appended claim 1, its It is characterised by: described ground floor structure includes connecting portion at least Part, described second layer structure includes connection member, institute State connection member to mate one by one with described lower connection member and connect Connect.

Novel LED projection lamp the most as claimed in claim 3, its It is characterised by: described ground floor structure farther includes at least one Snap part, described second layer structure farther includes Snap part, described upper snap part and described lower snap part one One coupling arranges and is connected together.

Novel LED projection lamp the most as claimed in claim 4, its It is characterised by: described upper connection member sets with described upper snap part Put in the corresponding both sides of described LED projector lamp.

Novel LED projection lamp the most as described in the appended claim 1, its It is characterised by: described second layer structure includes a second housing, institute State second housing include at least two be arranged on not homonymy line lead to Hole, described line three-way hole farther includes a waterproof cover and a waterproof cover Sealing ring.

Novel LED projection lamp the most as recited in claim 6, its It is characterised by: described second layer structure includes an electric component, institute State electric component include a power supply, at least one protective tube, at least one Lightning protection device and at least one respirator；Described lightning protection device is arranged on described Between power supply and described respirator, described protective tube is arranged on described The side of power supply.

Novel LED projection lamp the most as recited in claim 7, its It is characterised by: described electric component farther includes a power supply and supports Frame, a power supply compressing tablet, a fuse base and a lightning protection device keyset； Described power supply is fixed by described power supply bracing frame with described power supply compressing tablet In described second housing；Described lightning protection device keyset is by described anti- Thunder device is fixed in described second housing；Described fuse base is by institute State protective tube by being fixed in described second housing.

Novel LED projection lamp the most as recited in claim 7, its It is characterised by: described electric component also includes a binding post and Coupling terminal block, described binding post be arranged on described lightning protection device with Between described protective tube, described coupling terminal block is arranged on described electricity The opposite side in source.

10. as described in any one of claim 1-9, New LED is thrown Light modulation, it is characterised in that: described light distribution structure includes that at least one is saturating Mirror and a Reflecting shade structure, described lens are contained in described reflection shield Within structure, described lens and described Reflecting shade structure form a light System.