CN214892878U

CN214892878U - Optical assembly and optical invisible protection shield

Info

Publication number: CN214892878U
Application number: CN202120656015.9U
Authority: CN
Inventors: 胥汉杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-11-26
Anticipated expiration: 2031-03-31

Abstract

The utility model provides an optical assembly and optical invisible protection shield, which belongs to the invisible technical field, wherein the optical assembly comprises a plurality of lenses which are vertically arranged in parallel and used for refracting or/and reflecting light so as to make people or objects behind the focus of the lens invisible, and the length of the lens is matched with the height of people or objects needing to be invisible; the optical invisible protection shield comprises: the protective shield comprises a protective shield body and an optical assembly, wherein the protective shield body is of a transparent structure, and the optical assembly is arranged on the surface or inside of the protective shield body. The utility model discloses when using, distortion (refraction or/and reflection) can take place when light sees through lens, and the messenger lies in the unable people's eye that penetrates optical assembly the place ahead of directly projecting of light that lies in lens focus rear, can only see the light that lies in optical assembly rear environment through lens refraction or/reflection to reach the stealthy effect of people or thing that the messenger lies in lens focus rear.

Description

Optical assembly and optical invisible protection shield

Technical Field

The utility model belongs to the technical field of stealthy, concretely relates to optical assembly, in addition, the utility model discloses still relate to an optics stealthy protection shield including above-mentioned optical assembly.

Background

There is a long history of stealth research, from the first camouflage techniques, such as biological color matching, reverse tinting and destructive tinting observed in wildlife biology, to the current stealth techniques in popular cultures, literature novels, science fiction novels, scientific papers and art literature, the study of light warping has remained elusive. However, achieving optical stealth is difficult, in part, due to the need for expensive equipment, specialized materials called metamaterials, and the like.

In addition, the existing protective shield only can protect and does not have a concealing effect, and the front surface of the shield body of the multifunctional bulletproof shield body in the prior art is covered with the glass bead reflective coating, so that an attacker can be dazzled when sunlight exists; when sunlight does not exist, the light-reflecting paint can be integrated with the surrounding environment through the refraction of the glass bead light-reflecting paint on the front side, so that the hiding effect is achieved.

In the process of implementing the present invention, the inventor finds that the existing concealment shield can achieve a certain concealment effect, but the concealment effect is not good, and cannot be concealed under infrared thermal imaging or night vision.

SUMMERY OF THE UTILITY MODEL

Based on the background problem, the present invention is directed to an optical assembly, which comprises a plurality of lenses, and can distort light, so as to conceal a person or an object behind the focal point of the lenses; another object of the present invention is to provide an optical invisible protection shield including the above optical assembly, which can greatly ensure the safety of personnel.

In order to achieve the above object, on the one hand, the embodiment of the present invention provides a technical solution:

the optical assembly consists of a plurality of lenses which are vertically arranged in parallel and used for refracting or/and reflecting light rays so as to enable people or objects behind the focal point of the lenses to be invisible, and the length of each lens is matched with the height of the people or objects needing to be invisible.

Further, the distance between two adjacent lenses is 0-10 times of the width of the lenses.

Further, the density of the lens is 10-500 LPI.

Further, the plurality of lenses are divided into at least one lens group, the plurality of lens groups are distributed in parallel, the shape and the size of the lens in each lens group are consistent, and the shape and the size of the lens in different lens groups are consistent or different.

Further, the cross section of the lens is selected from one of fan-shaped, semicircular, circular, arched, trapezoidal, triangular and rectangular.

Further, a protective layer is coated on the lens.

On the other hand, the embodiment of the utility model provides a still provide an optics stealthy protection shield, including foretell optical assembly, still include:

the shield body is of a transparent structure, the optical assembly is arranged on the surface or inside the shield body, and the length of the optical assembly is consistent with that of the shield body.

Further, the optical stealth protection shield further comprises:

the handle is of a transparent structure and is fixed on the protective shield body, and the ratio of the length of the handle to the focal length of the lens is greater than or equal to 1.

Further, the surface of the shield body is coated with an anti-reflection coating.

Further, the surface of the shield body is a plane or a curved surface.

Compared with the prior art, the utility model discloses following effect has:

1. the utility model discloses an optical assembly comprises a plurality of lenses, the vertical parallel distribution of a plurality of lenses, and distortion (refraction or reflection) can take place when light sees through lens, and the light that makes to be located lens focus rear can't penetrate directly into the people's eye in optical assembly the place ahead, can only see the light that is located optical assembly rear environment through lens refraction to reach and make the effect that is located optical assembly rear side, lens focus rear people or article are stealthy.

2. The utility model discloses a plurality of lenses divide into a battery of lenses at least, a plurality of battery of lenses parallel distribution, and the shape and the size of the interior lens of every battery of lenses are unanimous, and the shape, the size of the interior lens of different batteries of lenses are unanimous or different, can adjust the distribution of lens like this as required to change direction of formation and angle.

3. The utility model discloses an stealthy protection shield of optics includes protection shield body and optical assembly, and optical assembly sets up on the surface or the inside of this protection shield body, and the protection shield body is transparent construction, can make to be located protection shield body rear side, lens focus rear people or article stealthy, very big assurance personnel and article's safety.

4. The utility model discloses a protection shield is when no light, and not only the hiding of visible light is effectual, can also be under equipment such as infrared thermal imaging or night-time vision device, refracts its rear people or object because of the infrared ray that the temperature produced, makes people or object invisible under these equipment, fuses into an organic whole with the environment, reaches splendid hidden effect, has good economy, military and social.

5. The utility model discloses be equipped with the handle on the protection shield body, supply the user to grip, the length of handle will be longer than the one time of lens focus at least, just can be located the rear of lens focus when the user grasps the handle like this, and then reaches stealthy effect.

6. The utility model discloses the surface coating at the protection shield body has anti-reflection of light coating, can reduce the reflection of light, the utility model discloses still there is the protective layer at lens surface coating, prevents that it from receiving environmental factor's influence.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

Fig. 1 is a schematic structural view of an optical invisible protection shield in embodiment 1 of the present invention;

fig. 2 is a schematic structural view of an optical invisible protection shield in embodiment 2 of the present invention;

fig. 3 is a schematic structural view of an optical invisible protection shield in embodiment 3 of the present invention;

fig. 4 is a plan view of an optical module in embodiment 5 of the present invention;

fig. 5 is a plan view of an optical module according to embodiment 6 of the present invention;

fig. 6 is a plan view of an optical module according to embodiment 7 of the present invention;

fig. 7 is a top view of an optical module according to embodiment 8 of the present invention;

fig. 8 is a plan view of an optical module according to embodiment 9 of the present invention;

fig. 9 is a top view of an optical module according to embodiment 10 of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like indicate the orientation or positional relationship based on the use state of the product, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Example 1

In order to solve the poor defect of hidden effect that current shield exists, the embodiment of the utility model provides an optics stealthy protection shield, as shown in fig. 1, include: the shield comprises a shield body 1, an optical assembly 2 and a handle 3.

In this embodiment, the shield body 1 is a transparent structure, and can be made of a polycarbonate material, but not limited thereto, the shield body 1 is a solid tetragonal structure, and the optical component 2 is disposed on an inner surface of the shield body 1.

In this embodiment, as shown in fig. 1, the optical assembly 2 is composed of a plurality of lenses 201, specifically, a plurality of lenses 201 are vertically arranged in parallel along the shield body 1, and the length of the lenses 201 matches the length of the shield body 1.

The lens 201 of this embodiment is a semicircular lens, and a plurality of lenses 201 are hugged closely and set up to reach the best stealthy effect, it is a plurality of the internal surface setting of protection shield body 1 is all hugged closely to the curved surface of lens 201, specifically can adopt high strength transparent glue to paste lens 201 on protection shield body 1.

It should be noted that a plurality of the lenses 201 may also be arranged at intervals, the distance between two adjacent lenses 201 may be adjusted between 0 to 10 times the width of the lens 201, and an increase in the distance may improve the transparency but may reduce the stealth effect, so the distance between two adjacent lenses 201 cannot be too large.

In the present embodiment, the density of the lens 201 is 50LPI, but is not limited thereto, and the density of the lens 201 may be adjusted between 10 to 500 LPI.

In this embodiment, the handle 3 is disposed on the inner side of the shield body 1, and is fixed on the plane of the lens 201 by high strength glue, so as to facilitate grasping by a user, the two handles 3 are disposed in this embodiment, and the two handles 3 are symmetrically distributed.

In order to hide people or objects inside the shield body 1, the handle 3 in this embodiment is also of a transparent structure, and the ratio of the length of the handle 3 to the focal length of the lens 201 is greater than or equal to 1, so that a user can only locate behind the focal point of the lens 200 when holding the handle 3, and can then hide the objects better.

In order to reduce the reflection, the present embodiment is coated with an anti-reflection coating on both the outer surface (corresponding to the front of the shield body 1) and the inner surface (corresponding to the rear of the shield body 1) of the shield body 1.

The utility model discloses a protection shield is when using, when having light, distortion can take place when light sees through lens 201 and handle 3, make the light that is located lens 201 focus rear can't penetrate directly into the people's eye in 1 the place ahead of protection shield body, only can see the light that is located 1 rear environment of protection shield body through lens 201 refraction and reflection, thereby reach and make the people or the stealthy effect of article that are located 1 rear side of protection shield body, lens 201 focus rear, very big assurance the safety of personnel and object.

When no light exists, the hiding effect of visible light is good, and people or objects behind the protective shield body 1 can be refracted due to infrared rays generated by temperature under equipment such as infrared thermal imaging or night vision devices, so that the people or the objects cannot be seen under the equipment, and are integrated with the environment, and the excellent hiding effect is achieved.

Example 2

As shown in fig. 2, the optical invisible protective shield is different from embodiment 1 in that the protective shield body 1 of the present embodiment is a curved surface structure, and the lens 201 is disposed on the outer surface of the protective shield body 1.

Specifically, the plane of lens 201 is fixed through high strength glue and shield body 1, and lens 201's curved surface is towards the place ahead of shield body 1 promptly, and distortion takes place when light sees through lens 201 and handle 3, and the people that is located 1 the place ahead of shield body this moment can only see the light that is located 1 rear environment of shield body through the refraction of lens 201 to reach hidden effect.

Example 3

As shown in fig. 3, the optical invisible protection shield is different from embodiment 1 in that the protection shield body 1 of the embodiment is of a curved surface structure, and the protection shield body 1 is of a hollow structure, and the lens 201 is disposed inside the protection shield body 1 at this time.

Specifically, the plane of the lens 201 is fixed to the inner side surface of the inner cavity of the shield body 1 through high-strength glue, that is, the curved surface of the lens 201 faces the front of the shield body 1.

Example 4

Unlike embodiment 3, the optical invisible protective shield of the present embodiment is formed by integrally molding the lens 201 and the protective shield body 1, which is equivalent to directly forming the inner surface of the protective shield body 1 into a surface formed by a plurality of semicircular structures.

Example 5

The optical assembly, as shown in fig. 4, the plurality of lenses 201 of the present embodiment are equally divided into two lens groups, the cross sections of the lenses 201 in the two lens groups are semicircular, and the sizes of the lenses 201 in the two lens groups are the same.

Specifically, the two lens groups are distributed in parallel, the planes of the two lens groups are attached to each other, and the lenses 201 in the two lens groups are arranged in a staggered manner.

Example 6

As shown in fig. 5, the optical assembly is different from embodiment 5 in that a plurality of lenses 201 of this embodiment are equally divided into four lens groups, specifically, the optical assembly is formed by combining two optical assemblies in embodiment 5, and the optical assemblies in two embodiments 5 may be symmetrically arranged or arranged in an array.

Example 7

An optical assembly, as shown in fig. 6, differs from embodiment 5 in that the sizes of lenses 201 in two lens groups in the present embodiment are different, but the sizes of lenses in the same lens group are the same.

Example 8

As shown in fig. 7, the optical assembly is different from embodiment 7 in that a plurality of lenses 201 of this embodiment are equally divided into four lens groups, specifically, the optical assembly is formed by combining two optical assemblies in embodiment 7, and the optical assemblies in two embodiments 7 may be symmetrically arranged or may be arranged in an array.

Example 9

An optical component, as shown in fig. 8, is different from embodiment 1 in that the cross section of the lens 201 of the present embodiment is circular.

Example 10

An optical component, as shown in fig. 9, is different from embodiment 1 in that the cross section of the lens 201 of the present embodiment is triangular.

It should be noted that the arrangement of the optical assembly in the present invention is not limited to the above specific structure, and can be adjusted as required to realize different imaging directions and angles.

It should be noted that, for those skilled in the art, without departing from the inventive concept, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The optical assembly is characterized by comprising a plurality of lenses which are vertically arranged in parallel and used for refracting or/and reflecting light rays so as to enable people or objects behind the focal point of the lenses to be invisible, and the length of each lens is matched with the height of the people or objects needing to be invisible.

2. The optical assembly of claim 1, wherein the distance between two adjacent lenses is 0-10 times the width of the lenses.

3. The optical assembly of claim 1, wherein the density of the lens is 10-500 LPI.

4. An optical assembly according to claim 1, wherein a plurality of said lenses are divided into at least one lens group, and a plurality of said lens groups are arranged in parallel, and the shape and size of the lens in each lens group are the same, and the shape and size of the lens in different lens groups are the same or different.

5. The optical assembly of claim 4, wherein the cross-section of the lens is selected from one of a sector, a semi-circle, a circle, an arch, a trapezoid, a triangle, and a rectangle.

6. An optical assembly according to claim 1, wherein the lens is coated with a protective layer.

7. An optical privacy shield comprising the optical assembly of any one of claims 1-6, and further comprising:

8. The optical privacy protection shield of claim 7, further comprising:

9. The optical invisible shield of claim 7, wherein a surface of the shield body is coated with an anti-reflective coating.

10. The optical invisible shield of claim 7, wherein the surface of the shield body is planar or curved.