CN203630435U

CN203630435U - Lens group used for LED beam concentrating lamp and advertising lamp.

Info

Publication number: CN203630435U
Application number: CN201320747182.XU
Authority: CN
Inventors: 梁宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-11-22
Filing date: 2013-11-22
Publication date: 2014-06-04
Anticipated expiration: 2023-11-22

Abstract

The utility model discloses a lens group used for an LED beam concentrating lamp and an advertising lamp. The lens group comprises a movable focus-adjustable lens group and a fixed lens group, wherein the distance between the movable focus-adjustable lens group and a projection light source can be adjusted; the fixed lens group is arranged between the movable focus-adjustable lens group and the projection light source and is fixedly connected with the movable focus-adjustable lens group, and the distance between the fixed lens group and the projection light source is fixed; the movable focus-adjustable lens group and the fixed lens group share a principal optic axis; and the movable focus-adjustable lens group comprises a first planoconvex lens and a second planoconvex lens, and a convex surface of the first planoconvex lens is an light emitting surface of the lens group. The lens group provided by the utility model is provided with the movable focus-adjustable lens group and the fixed lens group, the aperture size and clearness are adjusted through adjusting the distance between the first planoconvex lens in the movable focus-adjustable lens group and the projection light source and the distance between the second planoconvex lens in the movable focus-adjustable lens group and the projection light source, thereby realizing the magnification and reduction of imaging multiple of the lens group.

Description

The lens group that a kind of LED boundling lamp and advertising lamp are used

Technical field

The utility model relates to commercial lighting lamp, the lens group that especially a kind of LED boundling lamp and advertising lamp are used.

Background technology

Advertising lamp is generally made up of light source, projection part, lamp holder, irradiation that light source sends is on projection part, making to be arranged on picture and text on projection part shows through lamp holder, but traditional advertising lamp lamp holder is common lampshade, from the angle of optics, single lampshade cannot carry out multiple size to the imaging of projection, resolution regulates, and in science and technology growing today, conventional ads lamp lamp holder cannot meet the pursuit of people to higher quality of the life.

Utility model content

For solving the problems of the technologies described above, the technical problems to be solved in the utility model is to provide the lens group that a kind of multiple size and the adjustable a kind of LED boundling lamp of resolution and advertising lamp are used.

The technical solution adopted in the utility model is: the lens group that a kind of LED boundling lamp and advertising lamp are used, comprising:

One activity adjustable focus lens group, the distance of itself and projection source is adjustable;

One fixed lens group, is arranged between activity adjustable focus lens group and projection source, and is fixedly connected with activity adjustable focus lens group, and the distance of described fixed lens group and projection source is fixed; Activity adjustable focus lens group and fixed lens group be primary optical axis altogether;

Described activity adjustable focus lens group comprises the first plano-convex lens and the second plano-convex lens, the convex surface of the first plano-convex lens is the exiting surface of lens group, the second plano-convex lens be arranged between the first plano-convex lens and fixed lens group and its convex surface towards the plane of the first plano-convex lens; The first plano-convex lens, the second plano-convex lens are all adjustable with the distance of projection source;

Described fixed lens group comprises from the second plano-convex lens to transmitted light source and being arranged in order and towards three plano-convex lens, Siping City convex lens, five plano-convex lens consistent with the second plano-convex lens.

Further, described the first plano-convex lens and the second plano-convex lens be arranged in a lens barrel and the two all can be in lens barrel activity adjustment position; Described the second plano-convex lens and the 3rd plano-convex lens are provided with a picture and text lens mounting stand, between described the 3rd plano-convex lens and Siping City's convex lens, be provided with the first spacer ring, between described Siping City convex lens and the 5th plano-convex lens, be provided with the second spacer ring, between described the 5th plano-convex lens and projection source, be provided with third space ring.

The bottom of described picture and text lens mounting stand is provided with a bearing, and this bearing is for connecting the outside lens barrel of activity adjustable focus lens group and fixed lens group.

Described the second spacer ring is formed by stacking by three subrings.

Described projection source is LED lamp pearl.

Described LED lamp pearl is single-chip LED lamp pearl or high-power integrated LED lamp pearl or COB type LED lamp pearl.

The bore of described the first plano-convex lens is 50mm, and center thickness is 8.5mm, and limit is thick is 3mm; The bore of described the second plano-convex lens is 47mm, and center thickness is 10mm, and limit is thick is 2mm; The bore of described the 3rd plano-convex lens is 50mm, and center thickness is 8.5mm, and limit is thick is 3mm; The bore of described Siping City convex lens is 50mm, and center thickness is 10.5mm, and limit is thick is 5mm; The bore of described the 5th plano-convex lens is 50mm, and center thickness is 10.5mm, and limit is thick is 5mm.

The beneficial effects of the utility model:

The utility model lens group is provided with activity adjustable focus lens group and fixed lens group, by the distance between the first plano-convex lens, the second plano-convex lens and projection source in adjusting activity adjustable focus lens group, regulate aperture size and sharpness to realize the amplification of lens combination imaging multiple and to dwindle.

Accompanying drawing explanation

Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.

Fig. 1 is the lens group cut-open view that the utility model a kind of LED boundling lamp and advertising lamp are used.

Embodiment

Be illustrated in figure 1 the lens group that a kind of LED boundling lamp of the present utility model and advertising lamp are used, comprise:

One activity adjustable focus lens group 10, the distance of itself and projection source 20 is adjustable;

One fixed lens group 30, is arranged between activity adjustable focus lens group 10 and projection source 20, and is fixedly connected with activity adjustable focus lens group 10, and described fixed lens group 30 is fixed with the distance of projection source 20; Activity adjustable focus lens group 10 and fixed lens group 30 primary optical axis altogether;

Wherein, activity adjustable focus lens group 10 comprises the first plano-convex lens 40 and the second plano-convex lens 50, the convex surface of the first plano-convex lens 40 is the exiting surface of lens group, the second plano-convex lens 50 be arranged between the first plano-convex lens 40 and fixed lens group 30 and its convex surface towards the plane of the first plano-convex lens 40; The first plano-convex lens 40, the second plano-convex lens 50 is all adjustable with the distance of projection source 20;

Described fixed lens group 30 comprises from the second plano-convex lens 50 to transmitted light source 20 and being arranged in order and towards three plano-convex lens 60, Siping City convex lens 70, five plano-convex lens 80 consistent with the second plano-convex lens 50.

As shown in the figure, described the first plano-convex lens 40 and the second plano-convex lens 50 are arranged in a lens barrel 90 and the two all can be in the interior activity adjustment of lens barrel 90 position; Described the second plano-convex lens 50 and the 3rd plano-convex lens 60 are provided with a picture and text lens mounting stand 100, picture and text lens mounting stand 100 is for laying picture and text eyeglass, the bottom of this picture and text lens mounting stand is provided with a bearing 140, this bearing 140 is for the rotation of picture and text lens mounting stand 100, and this bearing 140 is for connecting the outside lens barrel of activity adjustable focus lens group 10 and fixed lens group 30 simultaneously; Between described the 3rd plano-convex lens 60 and Siping City's convex lens 70, be provided with the first spacer ring 110; Between described Siping City convex lens 70 and the 5th plano-convex lens 80, be provided with the second spacer ring 120, this second spacer ring can be single ring, can be to be also formed by stacking by three subrings, and the height of subring is 8mm; Between described the 5th plano-convex lens 80 and projection source 20, be provided with third space ring 130.

Wherein, the applicable projection source 20 of the utility model lens combination is LED lamp pearl, and described LED lamp pearl is single-chip LED lamp pearl or high-power integrated LED lamp pearl or COB type LED lamp pearl, or other known light sources.

Concrete, the bore of described the first plano-convex lens 40 is 50mm, and center thickness is 8.5mm, and limit is thick is 3mm, and focal length is 113.95mm; The bore of described the second plano-convex lens 50 is 47mm, and center thickness is 10mm, and limit is thick is 2mm, and focal length is 75.97mm; The bore of described the 3rd plano-convex lens 60 is 50mm, and center thickness is 8.5mm, and limit is thick is 3mm, and focal length is 113.95mm; The bore of described Siping City convex lens 70 is 50mm, and center thickness is 10.5mm, and limit is thick is 5mm, and focal length is 113.95mm; The bore of described the 5th plano-convex lens 80 is 50mm, and center thickness is 10.5mm, and limit is thick is 5mm, and focal length is 113.95mm.

As mentioned above, the utility model lens group is provided with activity adjustable focus lens group 10 and fixed lens group 30, three groups of lens focus of projection source 20 fixed lens groups 30, be radiated at the projection part imaging on picture and text eyeglass, and through by the distance between the first plano-convex lens 40, the second plano-convex lens 50 and projection source 20 in adjusting activity adjustable focus lens group 10, regulate aperture size and sharpness to realize the amplification of lens combination imaging multiple and to dwindle.

The foregoing is only preferential embodiment of the present utility model, the utility model is not limited to above-mentioned embodiment, as long as within the technical scheme that realizes the utility model object with basic identical means all belongs to protection domain of the present utility model.

Claims

1. the lens group that LED boundling lamp and advertising lamp are used, comprising:

It is characterized in that:

2. the lens group that a kind of LED boundling lamp according to claim 1 and advertising lamp are used, is characterized in that: described the first plano-convex lens and the second plano-convex lens be arranged in a lens barrel and the two all can be in lens barrel activity adjustment position; Described the second plano-convex lens and the 3rd plano-convex lens are provided with a picture and text lens mounting stand, between described the 3rd plano-convex lens and Siping City's convex lens, be provided with the first spacer ring, between described Siping City convex lens and the 5th plano-convex lens, be provided with the second spacer ring, between described the 5th plano-convex lens and projection source, be provided with third space ring.

3. the lens group that a kind of LED boundling lamp according to claim 2 and advertising lamp are used, is characterized in that: the bottom of described picture and text lens mounting stand is provided with a bearing, and this bearing is for connecting the outside lens barrel of activity adjustable focus lens group and fixed lens group.

4. the lens group that a kind of LED boundling lamp according to claim 2 and advertising lamp are used, is characterized in that: described the second spacer ring is formed by stacking by three subrings.

5. the lens group that a kind of LED boundling lamp according to claim 1 and 2 and advertising lamp are used, is characterized in that: described projection source is LED lamp pearl.

6. the lens group that a kind of LED boundling lamp according to claim 5 and advertising lamp are used, is characterized in that: described LED lamp pearl is single-chip LED lamp pearl or high-power integrated LED lamp pearl or COB type LED lamp pearl.

7. the lens group that a kind of LED boundling lamp according to claim 2 and advertising lamp are used, is characterized in that: the bore of described the first plano-convex lens is 50mm, and center thickness is 8.5mm, and limit is thick is 3mm; The bore of described the second plano-convex lens is 47mm, and center thickness is 10mm, and limit is thick is 2mm; The bore of described the 3rd plano-convex lens is 50mm, and center thickness is 8.5mm, and limit is thick is 3mm; The bore of described Siping City convex lens is 50mm, and center thickness is 10.5mm, and limit is thick is 5mm; The bore of described the 5th plano-convex lens is 50mm, and center thickness is 10.5mm, and limit is thick is 5mm.