CN207687834U

CN207687834U - LED spotlight

Info

Publication number: CN207687834U
Application number: CN201721606404.0U
Authority: CN
Inventors: 万叶华; 张国中; 沈锦祥
Original assignee: Sengled Optoelectronics Co Ltd
Current assignee: Sengled Optoelectronics Co Ltd
Priority date: 2017-11-27
Filing date: 2017-11-27
Publication date: 2018-08-03
Anticipated expiration: 2027-11-27

Abstract

The utility model provides a kind of LED spotlight, including lamp housing and LED component, the LED component is set in the lamp housing, and close to the first end of the lamp housing, second end opening of the LED component towards the lamp housing shines, some or all of lamp housing inner wall is optical reflection face, for the LED component to be exported to the second end opening to the light reflection in the optical reflection face to the lamp housing.The optical reflection face includes N number of cambered surface spliced with each other, and N number of cambered surface is used to that the LED component to be exported to the second end opening to the light reflection of N number of cambered surface to the lamp housing respectively.Since envelope inner wall can realize that the processing of light, the utility model extend the functional diversity of lamp housing, so that it is can be not only used for protection structure and ensure component installation, it can also be used to the processing to light.

Description

LED spotlight

Technical field

The utility model is related to lighting area more particularly to a kind of LED spotlights.

Background technology

Shot-light, it can be understood as PAR lamp (Parabolic Aluminum Reflector light), under the scene of part, Also referred to as downlight, LED spotlight, i.e., using LED (Light Emitting Diode) as a kind of shot-light of light source.

Existing LED spotlight may include lamp housing and LED component in the related technology, and LED component can be installed on lamp housing Interior, lamp housing can realize the installation and protection of LED component.

However, existing lamp housing has a single function, help can not be provided to the light extraction of LED component, if at need to be to light extraction Reason, also needs to install other optical devices.

Utility model content

The utility model provides a kind of LED spotlight, to solve the problems, such as that lamp housing has a single function.

It is according to the present utility model in a first aspect, provide a kind of LED spotlight, including lamp housing and LED component, the LED Component is set in the lamp housing, and close to the first end of the lamp housing, second end opening of the LED component towards the lamp housing It shines, some or all of described lamp housing inner wall is optical reflection face, for exporting the LED component to the optical reflection The light reflection in face to the lamp housing second end opening；

The optical reflection face includes N number of cambered surface spliced with each other, wherein N is the integer more than or equal to 2；It is described N number of Cambered surface is used to that the LED component to be exported to the second end opening to the light reflection of N number of cambered surface to the lamp housing respectively.

Optionally, it for which part or two all adjacent cambered surfaces, is formed between stitching portion and two cambered surfaces Rough surface.

Optionally, N number of cambered surface is spliced in M group cambered surface groups, and the M groups cambered surface group is divided successively along the axle center of the lamp housing Cloth；K curved ring in every group is annularly distributed around the axle center of the lamp housing, and remoter from the second end opening of the lamp housing, It is smaller around radius；Two adjacent cambered surfaces form the rough surface in every group；

Wherein, M is the integer more than or equal to 2, and K is the integer more than or equal to 2, and less than or equal to N.

Optionally, the cambered surface quantity in each cambered surface group is identical, and the cambered surface of two adjacent cambered surface groups is one-to-one Corresponding splicing.

Optionally, the LED spotlight further includes light exit cover, and the light exit cover is set to the second end opening of the lamp housing Place.

Optionally, the LED component includes circuit board and LED light source, and the LED light source is set to the circuit board, described Circuit board is connected to the lamp housing.

Optionally, the LED spotlight further includes driving circuit, and the driving circuit connects the LED component, is used for It is direct current by external communication electrotransformation, and is shone using LED component described in the DC powered.

Optionally, extension is extended on the outside of the first end of the lamp housing, the driving circuit is set in the extension.

Optionally, the extension is equipped with the holder structure for connecting lamp holder, and the driving circuit passes through the lamp cap Structure is connect with the circuit turn-on in the lamp holder.

Optionally, the driving circuit is set to one drive circuit plate.

LED spotlight provided by the utility model is optical reflection face by some or all of lamp housing inner wall, is used for The light for reflecting the LED component realizes the processing to light extraction, since envelope inner wall can realize the processing of light, the utility model The functional diversity for extending lamp housing makes it can be not only used for protection structure and ensures component installation, it can also be used to the place of light Reason.Into without or reduce the use of external optical device.

For the utility model also further by the way that optical reflection face is divided into N number of cambered surface, each cambered surface is independent as one Optical reflection face, LED component projects light onto inner wall surface and reflected, and each cambered surface can collect light, Jin Erke To export light from the second end opening of lamp housing, light extraction efficiency is improved.

Meanwhile the existing general heat dissipation performance of external optical device increased in the related technology is bad, and in the utility model Optical reflection face is the inner wall of lamp housing, and the structure being integrated carries out heat loss through conduction using lamp design itself, so, this Utility model also can avoid the problems such as LED spotlight temperature is excessively high caused by heat dissipation performance is bad.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property It puts, other drawings may also be obtained based on these drawings.

Fig. 1 is the structural schematic diagram one of one LED spotlight of the utility model；

Fig. 2 is the structural schematic diagram two of one LED spotlight of the utility model；

Fig. 3 is the circuit module schematic diagram of one LED spotlight of the utility model.

Reference sign：

1- lamp housings；

11- optical reflections face；

2-LED components；

21-LED light sources；

22- circuit boards；

3- light exit covers；

4- driving circuits；

41- rectification modules；

42- DC driven modules；

5- extensions；

6- holder structures；

7- connection circuits.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

Term " first " in the specification and claims of the utility model and above-mentioned attached drawing, " second ", " third " (if present)s such as " the 4 " are for distinguishing similar object, without being used to describe specific sequence or precedence.It answers The data that the understanding uses in this way can be interchanged in the appropriate case, for example so as to the embodiments of the present invention described herein It can be implemented with the sequence other than those of illustrating or describing herein.In addition, term " comprising " and " having " and he Any deformation, it is intended that cover it is non-exclusive include, for example, contain the process of series of steps or unit, method, System, product or equipment those of are not necessarily limited to clearly to list step or unit, but may include not listing clearly Or for the intrinsic other steps of these processes, method, product or equipment or unit.

The technical solution of the utility model is described in detail with specifically embodiment below.These are specific below Embodiment can be combined with each other, and same or analogous concept or process may be repeated no more in some embodiments.

Fig. 1 is the structural schematic diagram one of one LED spotlight of the utility model；Fig. 2 is the structure of one LED spotlight of the utility model Schematic diagram two.

It please refers to Fig.1 and Fig. 2, the LED spotlight, including lamp housing 1 and LED component 2, the LED component 2 is set to the lamp In shell 1, and close to the first end of the lamp housing 1, the second end opening of the LED component 2 towards the lamp housing 1 shines, described Some or all of lamp housing 1 inner wall is optical reflection face 11, for exporting the LED component 2 to the optical reflection face 11 Light reflection to the lamp housing 1 second end opening.

LED component 2, it can be understood as luminous component is carried out using LED, specifically may be used it is existing in the related technology The arbitrary structures form and circuit form of LED section in LED spotlight, LED component 2 and the connection type of lamp housing 1 can also use Any way in field.

It please refers to Fig.1 and Fig. 2, LED component 2 may include circuit board 22 and LED light source 21, the LED light source 21 is set to The circuit board 22, the circuit board 22 are connected to the lamp housing 1.By circuit board 22, the fixation of LED light source 21 may be implemented With external connection.

In specific implementation process, LED light source 21 can be that arbitrary LED based principle carries out luminous light source, LED light source 21 can be towards 1 second end opening of lamp housing, and the distributing position on circuit board 22 can be according to shot-light with distributed quantity Demand is configured.

LED light source 21 can include 1 adopting surface mounted LED or LED module, and different LED can be sent out not after the driving that is powered With the light source of colour temperature.LED light source 21 specifically may be disposed at the intermediate position of LED spotlight, the i.e. position of the axis of lamp housing 1, to Realize the projection source of concentrated.

Lamp housing 1, it can be understood as inner wall is optical reflection face 11, and can house the arbitrary structures of installation LED component 2, The inner wall in optical reflection face 11 is the main distinction of itself and existing lamp housing 1 in the related technology, but is also not excluded for doing it to lamp housing 1 He arbitrarily improves.

In specific implementation process, lamp housing 1 can be provided with radiator structure, or material of the selection with heat dissipation performance itself It makes, to meet the radiating requirements of lamp housing 1, meanwhile, optical reflection face 11 can be to be integrally formed with the other structures of lamp housing 1 Inner wall afterwards, or pass through the other structures system of interior wall construction and lamp housing 1 that process means have optical reflection face by one Make integral inner wall, i.e., does not limit the molding mode of lamp housing 1 from the angle of technique, but its result after molding can to wrap The construction that the lamp housing 1 in face containing optical reflection 11 is integrated.Meanwhile the utility model is also not precluded within outside integrated lamp housing 1 separately Supplement other optical textures or component.

Compared to separately setting optical device and without using the technological means in optical reflection face 11, such as in lamp housing separately The means of the optical devices such as mounted lens, reflector, reflector, devices such as lens, reflector itself do not have the work(of heat dissipation Can, and in the present invention, it is integrated with the other structures of lamp housing 1 due to the optical reflection face 11 of the utility model, it can With with higher heat conduction efficiency, to improve whole heat dissipation effect.

The first end of lamp housing 1, it can be understood as one end for connecting lamp cap or external power supply, and can also have opening； The second end of lamp housing 1, it can be understood as there is opening, be used for one end of light extraction.It please refers to Fig.1 and Fig. 2, first end therein can To be interpreted as bottom end, second end can be understood as top one end.First end can be opposite both ends with second end, also may be used Think irrelative both ends.The axle center of lamp housing 1, it can be understood as lamp housing 1 uses cross-sectional shape for round or similar round structure Form, round or similar round axle center therein is the axle center that can be regarded as lamp housing 1.

Optical reflection face 11 can be the material and structure type of arbitrary achievable optical reflection.

For its material, such as speculum may be used, corresponding, lamp housing 1 is whole to may be used glass material, to ensure The integraty of lamp housing 1.

It, can be with " by the second end opening of the light reflection of the LED component 2 to the lamp housing 1 for its structure type Place " is that foundation is designed, specifically it is understood that according to the position of LED component 2 and the second end opening of lamp housing 1, and The characteristics of luminescence of LED component 2 is designed, in specific design process, if need to be by the light reflection of LED component 2, optical reflection face 11 Different location may be configured as specific angle, with meet reflex to lamp housing 1 second end opening demand.

In one of which embodiment, structure type as depicted in figs. 1 and 2 is may be designed as, can be described as：For light The each position of reflecting surface 11 is learned, closer to the second end opening of lamp housing 1, the acute angle between the axle center of lamp housing 1 is got over It is small, i.e., optical reflection face 11 closer to the second end opening of lamp housing 1 closer to the axle center of parallel lamp housing 1.

Reflected in addition, optical reflection face 11 may be designed in the light for specific wavelength, or to reflectivity into Row design, according to the difference for the scene applied, optical reflection face 11 can do specific design, and new all without departing from this practicality The description range of type.

In one of which embodiment, on the basis of with optical reflection face 11, can to its generated effect into Row is further to be improved.It please refers to Fig.1 and Fig. 2, the optical reflection face 11 may include N number of cambered surface spliced with each other, wherein N is the integer more than or equal to 2；N number of cambered surface is for anti-by the light of the LED component 2 output to N number of cambered surface respectively It is incident upon the second end opening of the lamp housing 1.

By the way that optical reflection face 11 is divided into N number of cambered surface, each cambered surface can be understood as being connected with each other but also mutually independent Optical surface unit, each cambered surface as an individual optical reflection face,

LED component 2 projects light onto inner wall surface and is reflected, and each cambered surface collects light, and then can be by light Line is exported from the second end opening of lamp housing 1, improves light extraction efficiency..

It can be according to LED component 2 and the second end opening of lamp housing 1 for the angle of inclination of cambered surface, curvature, size etc. Position, LED component 2 the characteristics of luminescence, and demand to output light is designed.

In one of which embodiment, for which part or whole adjacent two cambered surfaces, stitching portion with this two Form rough surface between cambered surface, i.e., its be not flat smooth surface, after the optical superposition that multiple cambered surfaces reflect, There can be miniature diffusion effect, reduce dazzle, improve hot spot.

It please refers to Fig.1 and Fig. 2, N number of cambered surface is spliced in M group cambered surface groups, the M groups cambered surface group is along the lamp housing 1 Axle center is sequentially distributed；K curved ring in every group is annularly distributed around the axle center of the lamp housing 1, and from the second of the lamp housing 1 End opening is remoter, smaller around radius；Two adjacent cambered surfaces form the rough surface in every group；Wherein, M is big In or equal to 2 integer, K be more than or equal to 2, and less than or equal to N integer.It, can by the distribution mode of the above rule To form cellular cambered surface combination, to realize that the rule of the light of LED component 2 reflects.

In specific implementation process, the cambered surface quantity in each cambered surface group is identical, the arc of two adjacent cambered surface groups Face corresponds splicing, so, correspond splicing to meet, cambered surface can be top edge is wider, bottom margin compared with Narrow structure type is spliced with being satisfied with the corresponding of cambered surface in adjacent cambered surface group, and top therein is close to the second end opening The one end at place, bottom are one end far from second end opening；It is specifically as follows：For corresponding in two adjacent cambered surface groups Two cambered surfaces of splicing, the size and shape of the cambered surface edge of stitching portion are identical.

In addition, the curvature of N number of cambered surface can be changed with rule, specially：The second end opening from the lamp housing 1 is got over Far, curvature is bigger, i.e., radius of curvature is smaller.

The utility model is while introducing optical reflection face 11, it is not excluded that the use of external optical device, in optics On the basis of reflecting surface 11 handles light, also after-treatment processing, the external optical are carried out using external optical device Device can not be integrated with lamp housing 1, but be fixedly connected with or be removably connected to lamp housing 1 by other connection types.

So please referring to Fig.1 and Fig. 2, the LED spotlight, it may also include light exit cover 3, the light extraction is provide with 3 in described The second end opening of lamp housing 1.

Light exit cover 3 can be used for handling the light exported from second end opening, different according to the demand of processing, can To select the light exit cover 3 of unlike material, structure type.

In wherein a kind of embodiment, lens may be used in light exit cover 3, and LED component 2 passes through the optical reflection of honeycomb type It after face 11 is reflected, projects in light exit cover 3, after light exit cover 3 carries out secondary optics processing, light scattering can be gone out.

Meanwhile in specific implementation process, light exit cover 3 can also be combined with heat radiating cup, further to improve the effect of heat dissipation, Such as light exit cover 3 is connected to lamp housing 1 by heat radiating cup.The connection structure of light exit cover 3 and lamp housing 1 or light exit cover 3, lamp housing 1 with And the structure type between heat radiating cup can make sealing, to realize the sealing to the second end opening of lamp housing 1.

Referring to FIG. 3, the LED spotlight, further includes driving circuit 4, the driving circuit 4 connects the LED component 2, for being direct current by external communication electrotransformation, and shone using LED component 2 described in the DC powered, driving circuit 4 It can specifically be connect with the LED light source 21 in LED component 2, to drive LED light source 21 to shine.

In order to realize that by external communication electrotransformation be direct current, driving circuit 4 may include rectification module 41, can be Arbitrarily realize the circuit structure of AC rectification in field, in one of which embodiment, rectification module 41 can be diode The rectifier bridge of composition, meanwhile, the outlet side of rectification module 41 can be parallel with the first capacitance for voltage stabilizing, rectification module 41 it is defeated Enter side also and can be parallel with the second capacitance for voltage stabilizing.

DC powered LED component 2 is utilized in order to realize, driving circuit 4 may include DC driven module 42, can be with Arbitrarily to realize the circuit structure of DC driven in field.It, can be further to the electricity of input LED component 2 while driving Pressure carries out voltage stabilizing adjustment and the adjustment of voltage value and/or current value, so that the luminous meet demand of LED component 2.

DC driven module 42 can be linear voltage-stabilizing circuit, or switch voltage-stabilizing circuit.

May include following one if voltage stabilizing driving circuit is switch voltage-stabilizing circuit：

Buck conversion circuit (Buck circuits)；

Switch DC booster circuit (BOOST circuits)；

Feedback reverting circuit (Flyback circuits).

According to Buck conversion circuit, output voltage may make to be less than input voltage, and output current is continuous.

On the basis of introducing driving circuit 4, it can be also the accommodating of driving circuit 4 in structure, installation, fix, and Heat dissipation provides concrete scheme.

In one of which embodiment, it is extended with extension 5 on the outside of the first end of the lamp housing 1, the driving circuit 4 is set In in the extension 5.The accommodating of driving circuit 4 may be implemented by extension 5.Meanwhile driving circuit 4 can also be set to one and drive Dynamic circuit board realizes that the installation of driving circuit 4 is fixed by drive circuit board.

Drive circuit board can be connected to 5 inside of extension, to realize the fixation of drive circuit board and drive circuit board, For example, being equipped with card slot in extension 5, drive circuit board realizes that position is fixed and installation by being plugged in card slot.

Drive circuit board can also be connected to the circuit board 22 of LED component 2, for example, circuit board 22 can be equipped with bayonet, driving Circuit board is pluggable in bayonet, and in this embodiment, drive circuit board can be perpendicular to circuit board 22, to effectively save space Use.For the ease of the accommodating of circuit board 22, the shape of circuit board 22 can be with the inner surface of lamp housing 1 to matching, such as can Think circular, and since drive circuit board is perpendicular to circuit board 22, shape can have selection with a greater variety, only need to meet Lateral dimension matches with the space in extension 5, and corresponding, the structure type of extension 5 can also be not limited to section To be round, that is, it is not limited to Fig. 1 and cylinder shown in Fig. 2, can be cone and other rules or irregular shape Shape.

Drive circuit board can also connect circuit board 22 and extension 5 simultaneously, to ensure the firm of position.

In addition, extension 5 may include that extension body and transition structure, transition structure are separately connected extension body and lamp housing 1, extension body can be regarded as the primary structure for housing driving circuit 4 and relevant connection circuit, and transition structure is extending this Transition is formed between body and lamp housing 1, the change between size or shape and the size or shape of extension body to adapt to lamp housing 1 Change, any of the above may be applicable to extension body to the statement of the shape of extension 5.

The material of extension 5 can select material identical with lamp housing 1, can also select different materials, can be with Lamp housing 1 is integrally formed, or non-integral.Meanwhile extension 5 can also be provided with corresponding radiator structure or selection can Conducive to the material of heat dissipation.

In one of which embodiment, the extension 5 is equipped with the holder structure 6 for connecting lamp holder, the driving electricity Road 4 is connect by the holder structure 6 with the circuit turn-on in the lamp holder.

Wherein, the connection of holder structure 6 and lamp holder both may include the connection in structure, meet the firm branch in structure Support may also comprise the conducting connection on circuit, to realize the supply of external communication electricity to ensure the normal use of LED spotlight.

Corresponding, holder structure 6 may include lamp cap ontology, and lamp cap ontology is connected to extension 5, and shape can be regarded as It is adapted for insertion into lamp holder, connection circuit 7 can be equipped in lamp cap ontology, driving circuit 4 is by connecting in the conducting connection lamp holder of circuit 7 Circuit.Meanwhile according to the structure of lamp holder and the difference of circuit, the structure of lamp cap ontology and the connection position for connecting circuit 7 Setting etc. adaptively to change, and all without departing from the scope of the utility model.

In conclusion LED spotlight provided by the utility model, is that optics is anti-by some or all of lamp housing inner wall Face is penetrated, the light for reflecting the LED component realizes the processing to light extraction, since envelope inner wall can realize the processing of light, this Utility model extends the functional diversity of lamp housing, so that it is can be not only used for protection structure and ensures component installation, it can also be used to Processing to light.Into without or reduce the use of external optical device.

In the description of the present invention, it should be understood that used term "center", " length ", " width ", " thickness ", " top ", " bottom end ", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outside" " axis To ", the indicating positions such as " circumferential direction " or position relationship all can be based on the orientation or positional relationship shown in the drawings, merely to just In description the utility model and simplify description, specific side must be had by not indicating or implying the indicated position or original paper Position, specifically to construct and operate, therefore should not be understood as limiting the present invention.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. shall be understood in a broad sense, such as may be a fixed connection, may be a detachable connection, or be integrally formed；Can be machinery Connection can also be electrical connection or can communicate with one another；It can be directly connected, the indirect phase of intermediary can also be passed through Even, the connection inside two elements or the interaction relationship of two elements can be made.For those of ordinary skill in the art For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new The range of each embodiment technical solution of type.

Claims

1. a kind of LED spotlight, which is characterized in that including lamp housing and LED component, the LED component is set in the lamp housing, and is leaned on Second end opening of the first end of the nearly lamp housing, the LED component towards the lamp housing shines, the part of the lamp housing or complete Portion's inner wall is optical reflection face, for exporting the LED component to the light reflection in the optical reflection face to the lamp housing Second end opening；

The optical reflection face includes N number of cambered surface spliced with each other, wherein N is the integer more than or equal to 2, N number of cambered surface For the LED component to be exported to the second end opening to the light reflection of N number of cambered surface to the lamp housing respectively.

2. LED spotlight according to claim 1, which is characterized in that for which part or all adjacent two cambered surfaces, Rough surface is formed between its stitching portion and two cambered surfaces.

3. LED spotlight according to claim 2, which is characterized in that N number of cambered surface is spliced in M group cambered surface groups, the M Group cambered surface group is sequentially distributed along the axle center of the lamp housing；K curved ring in every group is annularly distributed around the axle center of the lamp housing, And it is remoter from the second end opening of the lamp housing, it is smaller around radius；Two adjacent cambered surfaces form the bumps not in every group Flat surface；

Wherein, M is the integer more than or equal to 2, and K is the integer more than or equal to 2 and less than or equal to N.

4. LED spotlight according to claim 3, which is characterized in that the cambered surface quantity in each cambered surface group is identical, adjacent The cambered surfaces of two cambered surface groups correspond splicing.

5. LED spotlight according to any one of claims 1 to 4, which is characterized in that further include light exit cover, the light exit cover Set on the second end opening of the lamp housing.

6. LED spotlight according to any one of claims 1 to 4, which is characterized in that the LED component include circuit board with LED light source, the LED light source are set to the circuit board, and the circuit board is connected to the lamp housing.

7. LED spotlight according to any one of claims 1 to 4, which is characterized in that further include driving circuit, the driving Circuit connects the LED component, for being direct current by external communication electrotransformation, and utilizes LED described in the DC powered Component shines.

8. LED spotlight according to claim 7, which is characterized in that it is extended with extension on the outside of the first end of the lamp housing, The driving circuit is set in the extension.

9. LED spotlight according to claim 8, which is characterized in that the extension is equipped with the lamp cap for connecting lamp holder Structure, the driving circuit are connect by the holder structure with the circuit turn-on in the lamp holder.

10. LED spotlight according to claim 7, which is characterized in that the driving circuit is set to one drive circuit plate.