CN207065262U

CN207065262U - A kind of wide-angle projector

Info

Publication number: CN207065262U
Application number: CN201720801732.XU
Authority: CN
Inventors: 李金传
Original assignee: Optoelectronic (shenzhen) Co Ltd
Current assignee: Optoelectronic (shenzhen) Co Ltd
Priority date: 2017-07-04
Filing date: 2017-07-04
Publication date: 2018-03-02
Anticipated expiration: 2027-07-04

Abstract

The utility model discloses a kind of wide-angle projector, including the structure such as lamp outer casing, LED light source, reflector, and the inside of lamp outer casing sets illuminating line, for connecting power supply；LED light source is arranged on the bottom of lamp outer casing, formation plane or cambered surface in the bottom of lamp outer casing, and the light tiles on LED light source connect electrical source luminescent by the illuminating line set in lamp outer casing；The center of LED light source is connected at the top of reflector, its surface is minute surface, and for the light of reflex LED light source transmitting, reflector is in the taper type of the inward-facing smooth indentation of appearance；When light is irradiated to the surface of reflector, light can be launched to surrounding, it is irradiated to farther place, the region of light fixture bottom centre can just reach the effect illuminated by the diffusing reflection of light, light reflexes to farther region by reflector and is illuminated, and avoids forming light superposition in middle section, reaches equally distributed effect, also the structure just because of reflector to central concave, make illuminating lamp that there is bigger beam angle.

Description

A kind of wide-angle projector

Technical field

Technical field of lighting fixtures is the utility model is related to, further relates to a kind of wide-angle projector.

Background technology

Courtyard lamp is a kind of indoor illumination light fitting, is usually used in the big model of the needs such as factory, workshop, market, hotel, working environment The light fixture of illumination is enclosed, the roof of public place is generally mounted to, has a wide range of application.Current courtyard lamp mainly include mercury vapor lamp and Two kinds of LED, traditional mercury vapor lamp have a lampshade for including power line, are installed in lampshade in mercury lampshade, pass through lamp Cover carries out optically focused, but mercury is attached most importance to metal toxicants, can produce pollution to environment, and the service life of mercury vapor lamp is shorter, Replacement operation is frequent；LED has the advantages that small power consumption, service life are long, therefore LED has more wide application prospect. But current LED is that LED light tiles are set in the bottom of lamp group, and carries out optically focused by lampshade, and rising angle only has 120 Degree left and right, and the light of core is by light source direct irradiation and lampshade reflection superposition, causes that center is bright and edge is dark Situation, light skewness.

Therefore, for those skilled in the art, how to design that a kind of rising angle is big, and light is evenly distributed Illuminating lamp, it is the current technical issues that need to address.

Utility model content

Core of the present utility model is to provide a kind of wide-angle projector, has that rising angle is big, light is evenly distributed Advantage, concrete scheme are as follows：

A kind of wide-angle projector, including：

Lamp outer casing, inside set illuminating line；

LED light source, the bottom of the lamp outer casing is arranged on, in plane or cambered surface, by what is set in the lamp outer casing Illuminating line connects power supply；

Reflector, top are connected to the center of the LED light source, and the reflector is in the cone of the inward-facing smooth indentation of appearance Platform shape；The surface of the reflector is minute surface.

Alternatively, the reflector be inner hollow housing, the outer surface flare of housing.

Alternatively, the edge of the reflector longitudinal section is parabola.

Alternatively, the light tiles of the LED light source are arranged in a ring centered on the reflector.

Alternatively, the light tiles of the LED light source are arranged on the parabolical near focal point in reflector longitudinal section.

Alternatively, the bottom of the lamp outer casing is fixedly installed transparent diffuser, the diffuser with outside the light fixture The bottom margin sealing of shell is fixed.

Alternatively, the diffuser is hemispheric plastic casing.

Alternatively, the lamp outer casing is in taper type, and the radiating of accelerated heat diverging is provided on the lamp outer casing Portion.

The utility model discloses a kind of wide-angle projector, including the structure such as lamp outer casing, LED light source, reflector, light fixture The inside of shell sets illuminating line, for connecting power supply；LED light source is arranged on the bottom of lamp outer casing, in lamp outer casing Plane or cambered surface formed on bottom, and the light tiles on LED light source connect electrical source luminescent by the illuminating line set in lamp outer casing；Instead Penetrate at the top of cover and be connected to the center of LED light source, its surface is minute surface, and for the light of reflex LED light source transmitting, reflector is in outer The taper type of the inside smooth indentation in surface；Traditional lampshade is the structure of outwardly convex, by light collection in certain scope, The reflector of the application employs entirely different structure, and when light is irradiated to the surface of reflector, light can be sent out to surrounding Penetrate, be irradiated to farther place, the region of light fixture bottom centre can just reach the effect illuminated, light by the diffusing reflection of light Line reflexes to farther region by reflector and is illuminated, and avoids forming light superposition in middle section, reaches and be uniformly distributed Effect, also the structure just because of reflector to central concave, makes illuminating lamp have bigger beam angle.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is a kind of concrete structure diagram of wide-angle projector provided herein；

Fig. 2 is the overall structure of the explosion figure of wide-angle projector.

Including：

Lamp outer casing 1, LED light source 2, reflector 3, diffuser 4.

Embodiment

Core of the present utility model is to provide a kind of illuminating lamp have the advantages of rising angle is big, light is evenly distributed.

In order that those skilled in the art more fully understands the technical solution of the utility model, below in conjunction with accompanying drawing and Specific embodiment, explanation is described in detail to the wide-angle projector of the application.

A kind of as shown in figure 1, concrete structure diagram for wide-angle projector provided herein.The wide-angle projector includes The structures such as lamp outer casing 1, LED light source 2, reflector 3, lamp outer casing 1 are main supporting construction, its internal setting illuminating line Road, top are fixed on the ceiling, the shell fixed as support.LED light source 2 is arranged on the bottom of lamp outer casing 1, LED light Source 2 is exposed downwards for lighting, and it is in plane or cambered surface that the modular assembly of LED light source 2 is formed in the bottom of lamp outer casing 1, typically Ground is arranged to plane, dissipates uniform light；Light tiles on LED light source 2 are by the interior illuminating line set of lamp outer casing 1 It is luminous to connect power supply realization.

Light is dissipated along straightline propagation from light source, and downwards, light mainly dissipates downwards LED light tiles, in order to reach Wider array of dispersion angle, the utility model set reflector 3 in the bottom of lamp outer casing 1, and the top of reflector 3 is connected to LED The center of light source 2, light tiles are distributed in the surrounding of the position of reflector 3, and the surface of reflector 3 is minute surface, is emitted onto it The light on surface is to external reflectance, and reflector 3 is in the taper type of the inward-facing smooth indentation of appearance, the top end face being connected with LED light source 2 Product is small, and the area of bottom is big, and outer surface is in smooth surface blending between bottom and top, due to the curved surface of central concave The light-reflecting property of itself, make to be irradiated to the light on curved surface and propagated to surrounding wide range, light can cover more extensive Region.The light that LED light source 2 is launched downwards does not shine on the ground directly, but is propagated to surrounding, the area immediately below LED light source 2 Domain avoids light from being superimposed in underface because the diffusing reflection of light is illuminated, within the scope of this illuminating lamp can be irradiated to, Reach the effect of uniform light distribution.The beam angle of traditional courtyard lamp is about 120 degree, and the wide-angle projector of the application because There is provided reflector 3, beam angle can reach 140 degree, have bigger irradiated area.

On the basis of such scheme, reflector 3 be inner hollow housing, the outer surface flare of housing, namely Quite the side of a frustum of a cone is arranged to cave inward special-shaped curved.Reflector 3 is that aluminium or plastic processing are formed Shell structure, outer surface polishes smooth and plates reflectorized material, plays the effect of reflection light.

Preferably, the edge of the longitudinal section of reflector 3 in the application is parabola, i.e., is splitted along the longitudinal direction of reflector 3, side The curve of edge is a parabola.

The light tiles of LED light source 2 are arranged in a ring centered on reflector 3, can be annulus, or regular polygon Annular, the shape of light tiles is identical with the cross sectional shape of reflector 3.Light tiles are arranged to the distribution of multiple concentric ring, more Light tiles have stronger illuminating effect.The light tiles of LED light source 2 are entirely located within the drop shadow spread of reflector 3, make vertically to Under light can be dissipated to surrounding.

The light tiles of LED light source 2 are arranged on the parabolical near focal point in the longitudinal section of reflector 3, so that light is to farther place Diverging.

In order to play a part of protection to whole light fixture, as shown in Fig. 2 being the overall structure figure of wide-angle projector, in lamp Has the bottom fixed setting diffuser 4 of shell 1, diffuser 4 is transparent housing, solid with the bottom margin sealing of lamp outer casing 1 It is fixed.Preferably, diffuser 4 is hemispheric plastic casing, and sphere is downwardly projecting, and light can reflect through diffuser 4, Some light illuminates the region of underface through superrefraction and diffusing reflection can.

Lamp outer casing 1 is in taper type in the application, and the radiating of accelerated heat diverging is provided on the conical surface of lamp outer casing 1 Portion, radiating part can be perforates, make inner air and outer air that convection current occur.

In use, the top of lamp outer casing 1 is fixed on the ceiling, the light of the LED light source of bottom is anti-by reflector 3 Penetrate, and illumination is realized through diffuser 3, usually, light fixture is lifted on the high ceilings of 2~3m, can be with covering diameter 12m Region, illuminate bigger region.

The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein The General Principle of justice, can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The most wide scope consistent with features of novelty.

Claims

A kind of 1. wide-angle projector, it is characterised in that including：

Lamp outer casing (1), inside set illuminating line；

LED light source (2), the bottom of the lamp outer casing (1) is arranged on, in plane or cambered surface, by being set in the lamp outer casing (1) The illuminating line connection power supply put；

Reflector (3), top are connected to the center of the LED light source (2), and the reflector (3) is inward-facing smooth recessed in appearance Sunken taper type；The surface of the reflector (3) is minute surface.
2. wide-angle projector according to claim 1, it is characterised in that the reflector (3) is the housing of inner hollow, The outer surface flare of housing.
3. wide-angle projector according to claim 2, it is characterised in that the edge of reflector (3) longitudinal section is throwing Thing line.
4. wide-angle projector according to claim 3, it is characterised in that the light tiles of the LED light source (2) are with described anti- Penetrate centered on cover (3) and arrange in a ring.
5. wide-angle projector according to claim 4, it is characterised in that the light tiles of the LED light source (2) are arranged on institute State the parabolical near focal point in reflector (3) longitudinal section.
6. wide-angle projector according to claim 5, it is characterised in that the bottom fixed setting of the lamp outer casing (1) Transparent diffuser (4), the diffuser (4) and the bottom margin sealing of the lamp outer casing (1) are fixed.
7. wide-angle projector according to claim 6, it is characterised in that the diffuser (4) is hemispheric plastic housing Body.
8. wide-angle projector according to claim 7, it is characterised in that the lamp outer casing (1) is in taper type, the lamp The radiating part of accelerated heat diverging is provided on tool shell (1).