Floodlight and the lampshade for floodlight
Technical field
The utility model is related to technical field of lamps, more particularly to a kind of floodlight and the lampshade for floodlight.
Background technology
At present, floodlight is the light fixture for specifying the projecting environment of illumination on face to be illuminated.Also known as spotlight.Generally,
It can aim at any direction, and possess the structure of not climate condition influence.It is mainly used in large area operation ore deposit, building
The places such as profile, stadium, viaduct, monument, park and flower bed.But, while realizing to place effective lighting, throw
Light light fixture also generates light pollution.
On the one hand, the surrounding enviroment such as light heavenwards are diffused, and have influence on the natural rule of life of animal, impacted animal
Round the clock regardless of so that its mobility goes wrong.In addition, it distinguishes that capability, competitiveness, ability to exchange all can be by shadows
Ring, so as to be influenceed on whole ecological produce.
On the other hand, the residential block around light directive place, is impacted to resident's normal life.
Therefore, how to avoid floodlight from operationally forming light pollution, be a problem for needing to solve.
Utility model content
The problem of the utility model is solved is how to avoid floodlight from operationally forming light pollution.
To solve the above problems, the utility model provides a kind of lampshade for floodlight.The lampshade includes cover originally
Body and light shielding part;
The cover body has opening;
The light shielding part is fixedly connected with the cover body, positioned at the light emission side of lampshade, away from cover body extension, is used
In blocking the emergent light from the opening.
Alternatively, the curved extension of circumference of the light shielding part along the cover body.
Alternatively, along the axial direction, the light shielding part has the first edge away from the cover body, the cover body tool
There is the second edge for limiting the opening;
Along the circumference, from one end of the light shielding part to the other end, the first edge to the second edge away from
From first increases and then decreases.
Alternatively, along the circumference, from one end of the light shielding part to the other end, in the light shielding part midline position, institute
The distance for stating first edge to the second edge is maximum.
Alternatively, the light shielding part has at least two, along described circumferentially distributed.
Alternatively, the light shielding part along the cover body circumferentially around one week.
Alternatively, the light shielding part extends along parallel to the axially direction, or light shielding part edge and the axle
Extend to direction in a certain angle.
Alternatively, the cover body has a second edge for limiting the opening, and the light shielding part is along the cover body
Circumferentially extend and be fixedly connected with second edge.
Alternatively, along the axial direction, the light shielding part has the 3rd edge away from the cover body, the 3rd edge
With the interior teat radially-inwardly gone out along the cover body, the interior teat is axially opposing and fixed with the second edge
Connection.
The present invention also provides a kind of floodlight, and floodlight includes:Any of the above-described described lampshade;
Light source in cover body;Transmittance section, is installed on the opening.
Compared with prior art, the technical solution of the utility model has advantages below:
Lampshade includes cover body and light shielding part, and light shielding part is located at the light emission side of lampshade, and away from cover body extension.Use lamp
Cover, by the opening, light is projected from inside to outside from cover body, and a part of light can be irradiated to light shielding part, and be blocked institute of portion
Block and reflect away, light shielding part can change the direction of propagation of this some light.Using the lampshade of the technical program, according to field
Ground surrounding environment adjusts the position of light shielding part, directive sky, most of light in place surrounding resident area is blocked, by this part light
Line reflection is returned in place, effectively control light pollution problem, and reduction floodlight operationally forms large-scale light pollution problem.
On the other hand, some light is reflected back place by light shielding part, can be adjusted the lighting effect in place, for example, be reflected
Light adds the illumination brightness of subregion.Therefore, by selecting length, shading-area and the printing opacity of light shielding part vertically
The parameters such as the angle in portion, it is possible to achieve the different lighting effect in place.
Brief description of the drawings
Fig. 1 is the stereogram of the floodlight of the utility model specific embodiment;
Fig. 2 is profile of the floodlight shown in Fig. 1 along AA directions, and shows light communication effect operationally.
Embodiment
It is understandable to enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, below in conjunction with the accompanying drawings to this
The specific embodiment of utility model is described in detail.
Referring to Figures 1 and 2, the technical program provides a kind of floodlight.The floodlight can include:
Lampshade 1;Light source 2 in lampshade 1;Transmittance section 3, is installed on opening 10a.
Lampshade 1 can include cover body 10 and light shielding part 11;Cover body 10 has opening 10a;Light shielding part 11 is located at cover originally
The light emission side of body 10, extends away from cover body 10, for blocking the emergent light in cover body 10.
Using floodlight, light source 2 is powered and produces light, and a part of light is set to place along arrow C, and a part of light
Line is along arrow B directives sky or residential block.By the way that located at opening 10a transmittance section 3, light is penetrated from inside to outside from cover body 10
Go out, a part of light can be irradiated to light shielding part 11, and be blocked portion 11 and block and reflect away, and light shielding part 11 can change this
The direction of propagation of some light.Using the lampshade 1 of the technical program, the position of light shielding part 11 is adjusted according to place surrounding environment,
For example light shielding part 11 is located at top, can block most of light of directive sky, or light shielding part 11 located at cover body 10
Side, can block most of light in directive place surrounding resident area, this some light is reflected back in place, effectively control
Light pollution, reduction floodlight operationally forms large-scale light pollution problem.
On the other hand, some light is reflected back place by light shielding part 11, can adjust the lighting effect in place, for example instead
Penetrate the illumination brightness that light adds some regions in place.Therefore, by selecting length, the shading surface of light shielding part vertically
The parameters such as the angle of product and transmittance section, it is possible to achieve the different lighting effect in place.For different places, it can select not
Same light shielding part, realizes different optical effects.
To the shape of light shielding part 11, the curved extension of circumference of the light shielding part 11 along cover body 10.In this case, shading
Portion 11 can realize the requirement of being in the light to specific region, for example, block the light of directive sky merely, or block directive merely
The light of certain piece residential block.
In this case, along cover body 10 axially, light shielding part 11 has the first edge 110 away from cover body 10, cover
Body 10 has the second edge 100 for limiting opening 10a;Along the circumference of cover body 10, one end from light shielding part 11 to the other end,
First edge 110 is to second edge 100 apart from L first increases and then decreases.In use, light shielding part part larger L can be just
To sky, or just to residential block, sky directly over most of light, such directive can be sheltered from or just to residential block
Light can be substantially reduced.Reasonable selection L, can adjust shading scope.
Along the circumference, from one end of light shielding part 11 to the other end, in the midline position of light shielding part 11, first edge 110 is arrived
The distance of second edge 100 is maximum, and this make it that the product aesthetic property of light shielding part 11 is preferable.
In the technical program, light shielding part 11 is one.In addition, light shielding part 11 can have at least two, along described
It is circumferentially distributed.This can meet the requirement that shading is carried out to each residential block around sky, place simultaneously.
In addition to light shielding part 11 can be arc, light shielding part can also along cover body circumferentially around one week, and in a ring,
This is especially applicable for the scene that more residential block is distributed around place.
Shape to light shielding part 11 relative to cover body 10, light shielding part 11 can be along the axial side parallel to cover body 10
To extension.Or, in addition, light shielding part can extend along with axial direction direction in a certain angle.Therefore, reasonable selection shading
The angle in portion 11 and the axial direction of cover body 10 so that light shielding part 11 and opening 10a are axially opposing, or make light shielding part 11 along cover body
10 radially outward tilt, and can obtain different shaded effects, meet different shading demands.
For the connected mode of light shielding part 11 and cover body 10, cover body 10 has the second edge for limiting opening 10a
100, circumferentially extending of the light shielding part 11 along cover body 10 is simultaneously fixedly connected with second edge 100.Light shielding part 11 is arranged on cover body
10 second edge 100, which enhance the design feasibility of light shielding part 11.
Along the axial direction of cover body 10, light shielding part 11 has the 3rd edge 111 away from cover body 10, and the 3rd edge 111 has
There is the interior teat 1110 radially-inwardly gone out along cover body 10, interior teat 1110 is axially opposing and fixed with second edge 100
Connection.
Interior teat 1110 can be bolt connection with second edge 100, such as interior teat 1110 has mounting hole, the second side
Edge 100 has screwed hole, screw bolt passes mounting hole and screwed hole, and is threadedly coupled with screwed hole composition.This fixation side
The attaching/detaching of formula is all more convenient.
Although the utility model is disclosed as above, the utility model is not limited to this.Any those skilled in the art,
Do not depart from spirit and scope of the present utility model, can make various changes or modifications, therefore protection domain of the present utility model
It should be defined by claim limited range.