CN206398532U - A kind of LED spotlight - Google Patents

Abstract

The utility model discloses a kind of LED spotlight, including housing, SMD LED lamp panels, lens, housing is one end open, the other end is sealed, SMD LED lamp panels are the LED light source plate with multiple patch light-emitting diodes, SMD LED lamp panels, lens are arranged in the cavity of housing, lens are that upper end is small, the big holosraphic grating in lower end, the middle part of lens upper surface has mixed light chamber, patch light-emitting diode is located in light mixing chamber room, the inwall of mixed light chamber is incidence surface, the side of lens is for light beam to be directed away to the reflective surface that the direction of SMD LED lamp panels is reflected, the lower surface of lens is exiting surface.Compared with prior art, LED spotlight of the present utility model is using light emitting source of the SMD LED lamp panels as shot-light, and be that the homogenizer of spot light is disperseed and gathered by positive lens by focal power, so as to realize the shot-light at smaller light beams angle, the shot-light of middle use COB LED/light sources compared with prior art, production cost is greatly reduced, production technology is simplified, production efficiency is improved.

Description

A kind of LED spotlight

Technical field

The utility model is related to illuminating product technical field, more particularly to a kind of LED spotlight.

Background technology

Beam angle refers to that luminous intensity is equal to two sides of 50% maximum light intensity in one of normal beam center line plane Angle between.LED spotlight can launch smaller light beams angle, realize the local effect illuminated, be widely used in local emphasis and shine Bright place, such as museum lighting, retail shop's illumination.

LED spotlight on the market is mainly what is realized using chip on board (COB, Chip On Board) light source, i.e. market Upper usually said COB LED/light sources, COB LED have dimension of light source small, the advantage of optical design etc. are easily realized, current In the market is widely used；It is complicated but COB LED encapsulation technology difficulty is big, typically by many chip battle arrays It is listed on substrate, then circuit is connected by brilliant line, then cover fluorescent material, this structure production difficulty is big, quality also bad control, chi Very little small, power is big, and caloric value is big, it is necessary to which the aluminium radiator for relying on very big structure is radiated, and production cost is very high, production process In easily there is dead lamp, brilliant thread breakage, a series of problems, such as radiating bad.

And current surface labeling LED LED, i.e. SMD LED (SMD, Surface Mounted Devices) Production technology comparative maturity, and market demand is very big, has independent support per LEDs, heatproof is also more much higher than COB.SMD The place that LED is mainly used in basis illumination, do not required beam angle at present.But, SMD LED several points array of source Afterwards, Multi-point luminous, optics is difficult processing, it may appear that veiling glare and hot spot, and beam angle is big, it is impossible to accomplish the effect of local irradiation.

Utility model content

The purpose of this utility model is to provide that a kind of production cost is low, perfect heat-dissipating, realizes that the LED at smaller light beams angle is penetrated Lamp, to solve production cost height, the encapsulation technology hardly possible that the LED spotlight made in the prior art using COB LED/light sources is brought Big, the baroque technical problem of degree.

To achieve the above object, the technical solution of the utility model is：

A kind of LED spotlight of the present utility model, including housing, SMD LED lamp panels, lens, the housing be one end open, The other end is sealed, and the SMD LED lamp panels are the LED light source plate with multiple patch light-emitting diodes, the SMD LEDs Plate, lens are set in turn in the cavity of the housing from inside to outside, and the lens are that the cone that upper end is small, lower end is big is saturating Mirror, the power of lens is just, the upper end of the lens is connected in the SMD LED lamp panels, the lens upper surface Middle part there is inwall to be the mixed light chamber that frosted is handled, the patch light-emitting diodes of the SMD LED lamp panels is located at described mixed Chamber, the inwall of the mixed light chamber is incidence surface, and the side of the lens is for the SMD LED lamp panels to be sent Light beam be directed away from the SMD LED lamp panels direction reflection reflective surface, the lower surfaces of the lens is exiting surface.

In the above-mentioned technical solutions, by by the holosraphic grating that one end is big, one end is small of SMD LED lamp panels and one piece by interior To being set in turn in opening, other end sealing at one end outside in the housing of bowl structure, power of lens for just, lens Small end face is provided with mixed light chamber, and the inwall of mixed light chamber is as the incidence surface of lens, and the side of lens, will as reflective surface The light beam that SMD LED lamp panels are sent is directed away from the exiting surface reflection in SMD LED lamp panels direction, will after most being reflected afterwards through exiting surface The light beam that SMD LED lamp panels are sent is gathered, and realizes the small shot-light of a beam angle.

Further improvement is that, the reflective surface is in uniform cornice plane, and cornice plane is irregular multiple adjacent small flat Face is constituted., can be by from entering by the fish scale-shaped reflective surface for being arranged to be made up of multiple irregular facets by the side of lens Smooth surface is refracted into the uniformity for reflexing to exiting surface, improving light beam of the homogenizer to lens, efficiently solves Using the phenomenon that hot spot and veiling glare are produced after SMD LED point light source arrays.

Further improvement is that, the mixed light chamber is circular hole, and the bottom surface of the mixed light chamber is a circular arc camber.Circular hole Homogenizer that the mixed light chamber of shape preferably can send SMD LED point light sources is dissipated into lens interior.

Further improvement is that, the bottom surface of the mixed light chamber is protruded to the upper extreme direction of the lens.Mixed light chamber Bottom surface to lens appearance protrude, formed a convex lens, realize the light beam at random for sending SMD LED point light sources and gather, with up to To the small effect of beam angle.

Further improvement is that, the exiting surface of the lens is circular arc camber.

Further improvement is that, the circular arc camber of the exiting surface forms the first concave curved to the inner recess of the lens Face, the middle part of first concave curved surface forms the first convex surface to the outer projection of the lens.

In the above-mentioned technical solutions, it is outwardly convex surface by the way that the exiting surface of lens is arranged to middle, lights The peripheral rim portion in face is the concave curved surface caved inward, so that the incidence surface of lens forms convex lens with exiting surface center section Mirror, makes the concave curved surface formation positive meniscus lens of the incidence surface of lens and the peripheral rim portion of exiting surface, solves the reflected folding of light beam The problem of aberration occur after shooting out, substantially increases the light-gathering and light gathering of shot-light.

Further improvement is that, the lens are fixed by lens retainer plate with the housing, in the lens retainer plate Wall is provided with the first buckle and first step, and the lens lower edge is propped up in the first step, the first buckle engaging On the outer ledge of the lens, the outer wall of the lens retainer plate is provided with the second buckle and second step, the housing Opening is propped up in the second step, and second buckle is fastened in the neck of the inner walls.

In the above-mentioned technical solutions, by setting a lens retainer plate to be connected between lens and housing, lens retainer plate Inwall on be provided with two or more buckles, when the lower surface of lens is propped up on the step of inwall, the buckle on inwall It is fastened on the outer ledge of lens, lens is linked together with lens retainer plate, is provided with the outer wall of lens retainer plate Two or more buckles, lens retainer plate is embedded at the opening of housing, and ring outer wall is fixed in lens when the opening of housing is propped up Step on when, the buckle on outer wall is fastened in the neck of inner walls, is fixedly connected with the casing, and realization exists lens packages It is simple in construction because lens retainer plate is connected by the way of buckle in the opening of housing, it is easy for installation, improve shot-light Dismounting operating efficiency, in addition, be fixed without using fixtures such as screws, reduce production cost, and assembling tool Input cost.

Further improvement is that, the housing is made by Heat Conduction Material, the side wall of the housing sealing end dorsad openings The housing with two openings is formed to extension.

In the above-mentioned technical solutions, by the way that the side wall of housing sealing end is extended to opening opposite direction, another tool is formed There is the bowl structure of opening, so as to add the area of dissipation of housing, improve radiating efficiency, solve asking for heat-sinking capability difference Topic, simultaneously as being multiplied for area of dissipation, can be such that the housing volume of shot-light more reduces, realize Same Efficieney, volume Smaller shot-light.

Further improvement is that, the housing is made up of aluminium sheet punching press, and covering sets one on the housing sidewall outer surface The projection being mutually matched with the neck on shot-light face ring inwall is formed on layer insulating materials, the wall outer surface of the housing. Housing is made by using aluminium sheet punching press, the weight of housing is lighter and handier, and simple production process, aluminium material is inexpensive, and production cost is low, Thermal conductivity is high, is greatly improved radiating rate；The outer surface of aluminum housing covers one layer of insulating materials, so as to efficiently solve LED drive power uses the electric leakage risk of non-isolated power supply, is compared compared to using the shot-light of insulating power supply scheme, this technology side The shot-light cost of case is substantially reduced, and marketing is good.

Further improvement is that, it is symmetrically arranged with the shot-light face ring outer wall on torsion spring support, the torsion spring support Provided with torsion spring, rubber protecting jacket is arranged with the actuation arm of the torsion spring.

In the above-mentioned technical solutions, set on the outer wall of shot-light face ring on torsion spring support, torsion spring support and torsion spring is set, led to The interaction crossed between the actuation arm, shot-light face ring, installation panel of torsion spring, makes shot-light realize Fast Installation in installation panel On, rubber protecting jacket, increase lifting surface area and frictional force are arranged in the actuation arm of torsion spring, the steadiness that shot-light is installed is improved.

Compared with prior art, LED spotlight of the present utility model uses SMD LED lamp panels as the light emitting source of shot-light, and It is that the homogenizer of spot light is disperseed and gathered by positive lens by focal power, so that the shot-light at smaller light beams angle is realized, Due to, as the shot-light of light source, compared with prior art middle use COB LED/light sources, greatly reducing and being produced into using SMD LED This, simplifies production technology, improves production efficiency.

Brief description of the drawings

Fig. 1 is a kind of Structure explosion diagram of LED spotlight of the utility model；

Fig. 2 is a kind of structural representation of LED spotlight of the utility model；

Fig. 3 is a kind of diagrammatic cross-section of LED spotlight of the utility model；

Fig. 4 is the optical principle schematic diagram of lens in the utility model；

Fig. 5 is the diagrammatic cross-section of housing in the utility model；

In figure, 1- housings, 10- power supply lids, 101- link cover of FIG, the radiating pieces of 11- first, the radiating pieces of 12- second, 13- plastics Layer, 14- is raised, 2-SMD LED lamp panels, 3- lens, 31- incidence surfaces, 32- reflective surfaces, 33- exiting surfaces, the concave curved surfaces of 33a- first, The convex surfaces of 33b- first, 4- power supplys, 5- clamping rings, 6- shot-light face rings, 61- torsion spring supports, 62- torsion springs, 63- sheaths.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.

As shown in Figures 1 to 5, the utility model provide a kind of LED spotlight, including housing 1, SMD LED lamp panels 2, thoroughly Mirror 3, housing 1 is one end open, the other end is sealed, wherein, dorsad opening direction extends to form another the side wall of the sealing end of housing 1 Individual cavity, two cavitys of housing 1 are upper cavity and lower chamber, and SMD LED lamp panels 2, lens 3 are successively set on from inside to outside In the lower chamber of housing 1, in production application, SMD LED lamp panels 2 are screwed in the lower chamber roof of housing 1 On, the power supply 4 for driving SMD LED lamp panels 2 to work is provided with upper cavity, the opening of upper cavity is provided with power supply lid 10, will The lid that power supply 4 insulate is enclosed in upper cavity, and power supply lid 10, which is provided with a wire entry, wire entry, is provided with link cover of FIG 101, Link cover of FIG 101 can fix electric wire relative to power supply lid 10, prevent electric wire from being released with the terminal that power supply 4 is connected, and cause contact not Good the problems such as, in the present embodiment, power supply 4, use non-isolated power supply, can substantially reduce production cost；SMD LED lamp panels 2 For the LED light source plate with multiple patch light-emitting diodes；Shown in Figure 4, lens 3 are that upper end is small, lower end is big, focal power is There is inwall to be the mixed light chamber that frosted is handled at positive holosraphic grating, the middle part of the upper surface of lens 3, and mixed light chamber can be circle Arc recess or cylindrical hole, in the present embodiment, mixed light chamber are cylindrical hole, wherein, the bottom surface of cylindrical mixed light chamber to The upper extreme direction protrusion of lens 3, the patch light-emitting diode of SMD LED lamp panels 2 is located in light mixing chamber room, the inwall of mixed light chamber For incidence surface 31；The side of lens 3 is reflective surface 32, specifically, and reflective surface 32 is in uniform cornice plane, and cornice plane is irregular Multiple adjacent facets constitute；The lower surface of lens 3 is the exiting surface 33 of circular arc camber structure, specifically, the circle of exiting surface 33 Curved the first concave curved surface 33a, the first concave curved surface 33a of inner recess formation towards lens middle part is to the lens 3 the first convex surface 33b of outer projection formation；The driving SMD of power supply 4 LED lamp panels 2 work, and the paster of SMD LED lamp panels 2 lights Diode sends light beam, and light beam is refracted into lens 3 by incidence surface 31, sends out SMD LED lamp panels 2 by reflective surface 32 Light beam/the line gone out is directed away from the direction reflection of SMD LED lamp panels 2, and the refraction that light beam eventually passes exiting surface 33 is final from saturating Project and concentrate in mirror 3 and gather, realize small beam angle purpose.

Wherein, the mixed light chamber of circular hole preferably can send SMD LED point light sources homogenizer is dissipated into Inside mirror 3；The bottom surface of mixed light chamber is protruded to lens appearance, improves the light beam property gathered, the small effect of enhancing beam angle；Pass through By the exiting surface 33 of lens 3 be arranged to centre be outwardly convex surface, light-emitting area 33 peripheral rim portion to cave inward Concave curved surface so that the incidence surface 31 of lens 3 and the center section of exiting surface 33 form convex lens, make the incidence surface 31 of lens 3 With the concave curved surface formation positive meniscus lens of the peripheral rim portion of exiting surface 33, go out after preferably solving that light beam is reflected and reflecting The problem of existing aberration, substantially increase the light-gathering and light gathering of shot-light；The fish being made up of multiple irregular facets Squamous reflective surface 32, can reflex to exiting surface 33 by being refracted into from incidence surface 31 to the homogenizer in lens 3, improve Multiple spot lights produce the uniformity of light beam, efficiently solve using generation hot spot and veiling glare after SMD LED point light source arrays Phenomenon.

Preferred embodiment of the present utility model is, shown in Figure 3, and lens 3 are fixed by lens retainer plate 5 with housing 1, thoroughly The inwall of mirror retainer plate 5 is provided with step and two or more first buckles, when the lower edge of lens 3 props up the platform in inwall When on rank, each first buckle is fastened on the outer ledge of lens 3, lens 3 is linked together with lens retainer plate 5；Thoroughly The outer wall of mirror retainer plate 5 is provided with step and two or more second buckles, and lens retainer plate 5 is embedded at the opening of housing 1, When the opening of housing 1 is propped up on the step of the outer wall of lens retainer plate 5, the second buckle on outer wall is fastened on the inwall of housing 1 Neck in, lens retainer plate 5 is fixedly connected with housing 1, realization lens 3 are encapsulated in the opening of housing 1, due to lens Retainer plate 5 is connected by the way of buckle, simple in construction, easy for installation, improves the dismounting operating efficiency of shot-light, in addition, Be fixed without using fixtures such as screws, reduce production cost, and assembling tool input cost.

Housing 1 is made from a material that be thermally conductive, preferably 1060 aluminium plates；Housing, the weight of housing are made using aluminium sheet punching press Lighter and handier, simple production process, aluminium material is inexpensive, and production cost is low, and thermal conductivity is high, is greatly improved radiating rate；Due to shell Dorsad opening direction extends to form another cavity the side wall of the sealing end of body 1, makes bowl-shape knot of the formation of housing 1 with two openings Structure, makes the area of dissipation of whole housing 1 increase one times, so that in designing high-power shot-light, when volume can be reduced into half, The heat dispersion of shot-light still meets performance requirement.

It is shown in Figure 5, in order to simplify production technology, in the present embodiment, housing 1 is arranged to two independently One end open, the bowl structure of other end sealing, i.e. the first radiating piece 11, the second radiating piece 12, the first radiating piece 11 and second Connection bonded to each other outside the sealing end of radiating piece 12, the mode being fitted and connected can be to be bonded using heat-conducting glue band or by weldering In the modes such as welding, riveting, the present embodiment preferably, both are fixedly connected by riveting method, riveting method is simple to operate, Stable connection, is not readily separated；Due to using two bowl structures independently, after the interconnection of its sealing end, make sealing The thickness of the integral thickness at the end heat dissipating housing of middle bowl structure compared with prior art thickens one times, improves heat transfer speed.

After first radiating piece 11, the second radiating piece 12 are riveted, covering sets one layer of insulation material on its wall outer surface Material, in production application, by the way that the shell 1 after the completion of riveting is placed on injection machine, one layer is molded on its surface absolutely Edge plastics；During injection, formed on the wall outer surface of housing it is at least two symmetrical, with the neck on shot-light face ring inwall The projection 14 being mutually matched；One layer of modeling is molded on the outer wall of housing 1 being spliced by the first radiating piece 11, the second radiating piece 12 Material insulation, efficiently solves electric leakage risk of the power supply 4 using non-isolated power supply, compared to the shot-light phase using insulating power supply scheme Than the shot-light cost of the technical program is substantially reduced, and marketing is good.

It is shown in Figure 2, it is symmetrically arranged with the outer wall of shot-light face ring 6 on torsion spring support 61, the torsion spring support 61 Provided with torsion spring 62, rubber protecting jacket 63 is arranged with the actuation arm of the torsion spring 62, passes through the actuation arm of torsion spring 62, shot-light face ring 61st, the interaction between lamp installation panel, makes shot-light realize Fast Installation on lamp installation panel, in the effect of torsion spring Rubber protecting jacket, increase lifting surface area and frictional force are arranged on arm, the steadiness that shot-light is installed is improved.

Compared with prior art, LED spotlight of the present utility model uses SMD LED lamp panels as the light emitting source of shot-light, and It is that the homogenizer of spot light is disperseed and gathered by positive lens by focal power, so that the shot-light at smaller light beams angle is realized, Due to, as the shot-light of light source, compared with prior art middle use COB LED/light sources, greatly reducing and being produced into using SMD LED This, simplifies production technology, improves production efficiency.

It should be appreciated that the regular job custom and Figure of description of the noun of locality is binding operation person and user and set Vertical, their appearance should not influence protection domain of the present utility model.

The utility model is described in detail above in association with accompanying drawing embodiment, those skilled in the art can root Many variations example is made to the utility model according to described above.Thus, some of embodiment details should not be constituted to this practicality New restriction, the utility model regard the scope defined using appended claims as protection domain of the present utility model.

Claims (10)

1. a kind of LED spotlight, it is characterised in that including：Housing (1), SMD LED lamp panels (2), lens (3), the housing (1) Sealed for one end open, the other end, the SMD LED lamp panels (2) are the LED light source plate with multiple patch light-emitting diodes, The SMD LED lamp panels (2), lens (3) are set in turn in the cavity of the housing (1) from inside to outside, and the lens (3) are The holosraphic grating that upper end is small, lower end is big, the focal powers of the lens (3) is just, and the upper ends of the lens (3) is connected to described In SMD LED lamp panels (2), there is inwall to be the mixed light chamber that frosted is handled, the SMD at the middle part of lens (3) upper surface The patch light-emitting diode of LED lamp panel (2) is located in the light mixing chamber room, and the inwall of the mixed light chamber is incidence surface, described The side of lens (3) is that the light beam for the SMD LED lamp panels (2) to be sent is directed away from the SMD LED lamp panels (2) The reflective surface of direction reflection, the lower surface of the lens (3) is exiting surface.

2. LED spotlight according to claim 1, it is characterised in that the reflective surface is in uniform cornice plane, cornice plane is Irregular multiple adjacent facets are constituted.

3. LED spotlight according to claim 2, it is characterised in that the mixed light chamber is circular hole, the mixed light chamber Bottom surface is a circular arc camber.

4. LED spotlight according to claim 3, it is characterised in that the bottom surface of the mixed light chamber is to the lens (3) Upper extreme direction protrusion.

5. LED spotlight according to claim 4, it is characterised in that the exiting surface of the lens is circular arc camber.

6. LED spotlight according to claim 5, it is characterised in that the circular arc camber of the exiting surface is to the lens (3) Inner recess the first concave curved surface of formation, outer projection formation first from the middle part of first concave curved surface to the lens (3) Convex surface.

7. LED spotlight according to claim 6, it is characterised in that the lens pass through lens retainer plate and the housing Fixed, the lens retainer plate inwall is provided with the first buckle and first step, and the lens lower edge is propped up in described first Step, first buckle is fastened on the outer ledge of the lens, and the outer wall of the lens retainer plate is provided with the second buckle And second step, the opening of the housing propped up in the second step, and second buckle is fastened on the inner walls In neck.

8. the LED spotlight according to any one of claim 1-7, it is characterised in that the housing is made by Heat Conduction Material, Dorsad opening direction extends to form the housing with two openings the side wall of the housing sealing end.

9. LED spotlight according to claim 8, it is characterised in that the housing is made up of aluminium sheet punching press, the housing side Covering sets one layer of insulating materials on wall outer surface, form on the wall outer surface of the housing with shot-light face ring inwall The projection that neck is mutually matched.

10. LED spotlight according to claim 9, it is characterised in that be symmetrically arranged with torsion on the shot-light face ring outer wall Spring bracket, the torsion spring support is provided with torsion spring, the actuation arm of the torsion spring and is arranged with rubber protecting jacket.