CN214397155U

CN214397155U - Life jacket

Info

Publication number: CN214397155U
Application number: CN202023203079.8U
Authority: CN
Inventors: 郑洪振; 芦永超; 孙耀志
Original assignee: Guangdong Fushun Tianji Communication Co Ltd
Current assignee: Guangdong Fushun Tianji Communication Co Ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-10-15
Anticipated expiration: 2030-12-28

Abstract

The utility model relates to a life jacket, including the life jacket body, be equipped with a plurality of buoyancy pieces in the life jacket body, at least a buoyancy piece is the lens structure of being made by foaming dielectric material, the lens structure is square body column structure, and the lens structure includes nuclear portion and a plurality of dielectric constant layer, nuclear portion is solid construction, and each dielectric constant layer all is hollow square shell structure, and a plurality of dielectric constant layer are parcel layer upon layer nuclear portion sets up, and the lens structure is that dielectric constant from nuclear portion to outmost dielectric constant layer is that dielectric constant follows 2 to 1 continuous variation, is provided with the reflector plate in lens structure wherein in one side, and that one side of this reflector plate and lens structure laminating is its plane of reflection. The utility model has the characteristics of simple structure, design science, convenient to use, can realize revealing big image on the radar screen, avoid appearing the omission and the security of searching for and rescuing good etc.

Description

Life jacket

Technical Field

The utility model relates to a life saving equipment technical field, especially a life vest.

Background

The life jacket is a common marine life-saving device, and floats on the sea by utilizing the action of a buoyancy block, so that people can float on the sea to wait for rescue under the condition of falling water. In order to facilitate patrolmen to find out people in danger, signal transmitters are further arranged in some existing life jackets, so that the patrolmen can find out the people in danger through signal receiving equipment.

In addition, there are some life jackets provided with a signal reflection mechanism, and such life jackets include, as in patent application No. 2017213670053, a technical solution entitled "a marine radar maritime search and rescue apparatus", which includes: the radar life jacket comprises a life jacket body and small radar corner reflectors, wherein the small radar corner reflectors are uniformly distributed on the chest and the shoulder of the life jacket body; the small radar corner reflector comprises a first equilateral triangle vertical metal reflector sheet, a second equilateral triangle vertical metal reflector sheet, a square horizontal metal reflector sheet and a plastic protective sleeve, wherein the first equilateral triangle vertical metal reflector sheet and the second equilateral triangle vertical metal reflector sheet are fixedly connected in a cross shape along the center line of the first equilateral triangle vertical metal reflector sheet and the second equilateral triangle vertical metal reflector sheet, the bottom edges of the first equilateral triangle vertical metal reflector sheet and the second equilateral triangle vertical metal reflector sheet are fixedly connected with two diagonal lines of the square horizontal metal reflector sheet respectively to form the quadrangular pyramid-shaped small radar corner reflector, and the plastic protective sleeve is fixedly installed on the top angle and four corner angles of a quadrangular pyramid of the small radar corner reflector. The life jacket with the structure has the following defects: firstly, the reflection range of the small radar corner reflector is small, and omission easily occurs during searching; secondly, the small radar corner reflector is in a pointed cone structure, so that people falling into water can be easily scratched when the small radar corner reflector is used, the safety is poor, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a life jacket, this life jacket have simple structure, design science, convenient to use, can realize revealing big image on the radar screen, avoid appearing search and rescue's omission and security advantage such as good.

The technical scheme of the utility model is realized like this: a life jacket comprises a life jacket body, wherein a plurality of buoyancy blocks are arranged in the life jacket body, and the life jacket is characterized in that at least one buoyancy block is a lens structure made of foaming medium materials, the lens structure is of a square structure and comprises a core part and a plurality of dielectric constant layers, the core part is of a solid structure, each dielectric constant layer is of a hollow square shell structure, the plurality of dielectric constant layers wrap the core part layer by layer, the dielectric constant layers of the lens structure from the core part to the outermost layer are continuously changed from 2 to 1, a reflector plate is arranged on one surface of the lens structure, and the surface, which is attached to the lens structure, of the reflector plate is a reflecting surface of the lens structure.

Furthermore, a radar reflector is arranged on the shoulder part of the life jacket body, the radar reflector comprises a luneberg lens and a reflecting piece, the luneberg lens is of a spherical structure, and the luneberg lens is made of a foaming medium material; and a reflecting surface is formed on the reflecting piece, and the reflecting surface of the reflecting piece of the radar reflector is attached to the surface of the luneberg lens.

Furthermore, 2 shoulders of the life jacket body are provided with radar reflectors, wherein the radar reflector on one shoulder is a directional radar reflector, and the radar reflector on the other shoulder is an omnidirectional radar reflector.

Still further, the reflector of the directional radar reflector is located at the lower side of the luneberg lens, the reflector of the directional radar reflector is a directional reflector, the reflecting surface of the directional reflector is a concave surface with a hemispherical structure, the directional radar reflector is provided with a central reflecting direction L1, and the central reflecting direction L1 of the directional radar reflector is arranged upwards; the reflector of the omnidirectional radar reflector is an omnidirectional reflector which is a sheet-shaped metal ring, the omnidirectional reflector of the omnidirectional radar reflector is wound on the luneberg lens of the omnidirectional radar reflector, and the inner surface of the omnidirectional reflector is a reflecting surface.

The utility model has the advantages that: the utility model discloses a make at least one buoyancy piece into from its core portion to outmost dielectric constant layer be the lens structure that the dielectric constant changes from 2 to 1 continuously, and be equipped with the design of reflector plate on the lens structure, when using like the personnel that fall into water wear the utility model to flee for one's life, in the course of later search and rescue action, the radar wave that search and rescue personnel's radar transmitter sent can be passed through lens structure after the reflection of reflector plate and from lens structure reemission again, make the radar wave can be refracted to the air and enlarge with the central symmetry mode of lens structure, such a small target object will demonstrate big image on the radar screen, let search and rescue personnel can discover the personnel that fall into water easily, need not charge when using, also can not stab the personnel, make the utility model have simple structure, design science, convenient to use, can realize demonstrating big image on the radar screen, avoiding the omission of search and rescue, having good safety and the like.

Drawings

Fig. 1 is a schematic structural diagram of the embodiment.

Fig. 2 is a schematic structural diagram of a directional radar reflector according to an embodiment.

Fig. 3 is a schematic structural diagram of an omnidirectional radar reflector according to an embodiment.

Fig. 4 is a schematic front structure diagram of the lens structure and the reflector plate after being connected in the embodiment.

Fig. 5 is a schematic sectional view in the direction of a-a in fig. 4.

Fig. 6 is a schematic sectional view in the direction B-B in fig. 4.

Description of reference numerals: 1-life jacket body; 11-rear cut pieces; 12-front left cut pieces; 13-front right cut pieces; 2-a buoyancy block; 3-a luneberg lens; 4-a directional radar reflector; 41-a directional reflector; 5-an omnidirectional radar reflector; 51-an omni-directional reflector; 6-a lens structure; 61-a core section; 62-a dielectric constant layer; 7-a reflector plate; 8-reflective tape.

Detailed Description

As shown in fig. 1, 4, 5, and 6, the life jacket of the present embodiment includes a life jacket body 1, a plurality of buoyancy blocks 2 are disposed in the life jacket body 1, at least one buoyancy block 2 is a lens structure 6 made of a foam dielectric material, the lens structure 6 is a square structure, the lens structure 6 includes a core portion 61 and a plurality of dielectric constant layers 62, the core portion 61 is a solid structure, each dielectric constant layer 62 is a hollow square shell structure, the plurality of dielectric constant layers 62 are disposed in a manner of wrapping the core portion 61 layer by layer, the dielectric constant layers 62 of the lens structure 6 from the core portion 61 to the outermost layer are continuously varied in dielectric constant from 2 to 1, a reflective sheet 7 is disposed on one surface of the lens structure 6, and the surface of the reflective sheet 7 attached to the lens structure 6 is a reflective surface thereof. The nature of the lens structure 6 is a cuboid-shaped luneberg lens, when the life jacket is used, people falling into water escape, in the later search and rescue action process, radar waves emitted by a radar emitter of the search and rescue personnel can penetrate through the lens structure 6 and then are reflected by the reflector plate 7 and then are emitted out of the lens structure 6 again, so that the radar waves can be refracted into the air and amplified in a medium-symmetric mode of the lens structure 6, a small target object can present a large image on a radar screen, the search and rescue personnel can easily find the people falling into water, the life jacket does not need to be charged when in use, the people falling into water cannot be stabbed, and the life jacket has the advantages of simple structure, scientific design, convenience in use, capability of presenting large images on the radar screen, avoidance of omission of search and rescue, good safety and the like.

In order to make the life jacket reflect received radar waves more comprehensively in the using process, as shown in fig. 1, 2 and 3, a radar reflector is installed on the shoulder part of the life jacket body 1, the radar reflector comprises a luneberg lens 3 and a reflecting piece, the luneberg lens 3 is of a spherical structure, and the luneberg lens 3 is made of a foaming medium material; and a reflecting surface is formed on the reflecting piece, and the reflecting surface of the reflecting piece of the radar reflector is attached to the surface of the luneberg lens 3. When the design is used, people falling into water can escape by wearing the life jacket, and in the later search and rescue action process, radar waves emitted by a radar emitter of the search and rescue people can pass through the luneberg lens 3 and then are reflected by the reflecting piece and then are emitted out again from the luneberg lens 3, so that the radar waves can be refracted into the air and amplified in a spherical center symmetrical mode, a small target object can present a large image on a radar screen, and the search and rescue people can easily find the people falling into water.

In order to make the life jacket have better reflection effect on radar waves in the using process and make the radar waves which are transmitted into the life jacket from any direction reflect the radar waves in the search and rescue operation, as shown in fig. 1, 2 and 3, 2 shoulders of the life jacket body 1 are provided with radar reflectors, wherein the radar reflector on one shoulder is a directional radar reflector 4, and the radar reflector on the other shoulder is an omnidirectional radar reflector 5; the foam medium material of the lens structure 6 and the foam medium material of the luneberg lens 3 of the directional radar reflector 4 and the omnidirectional radar reflector 5 are conventional materials, and are not described in detail herein, as described in the patent No. 201910867980.8 filed by the present applicant entitled "medium material and medium material production method".

In order to make the structures of the directional radar reflector 4 and the omnidirectional radar reflector 5 of the life jacket more reasonable, as shown in fig. 1, 2 and 3, the reflecting piece of the directional radar reflector 4 is positioned at the lower side of the luneberg lens 3, the reflecting piece of the directional radar reflector 4 is a directional reflecting piece 41, the reflecting surface of the directional reflecting piece 41 is a concave surface with a hemispherical structure, the directional radar reflector 4 is provided with a central reflecting direction L1, and the central reflecting direction L1 of the directional radar reflector 4 is arranged upwards; the reflector of the omnidirectional radar reflector 5 is an omnidirectional reflector 51, the omnidirectional reflector 51 is a sheet-shaped metal ring, the omnidirectional reflector 51 of the omnidirectional radar reflector 5 is wound on the luneberg lens 3, the omnidirectional reflector 51 of the omnidirectional radar reflector 5 is specifically wound on the central position of the luneberg lens 3 in the vertical direction, and the inner surface of the omnidirectional reflector 51 is a reflecting surface.

In order to arrange the lens structure 6 in the life jacket more reasonably and facilitate reflection of radar waves, as shown in fig. 1, 4, 5 and 6, the lens structure 6 is arranged in the middle of the front surface of the life jacket body 1, and the reflector plate 7 is arranged on the back surface of the lens structure 6.

In order to make the structure of the life jacket more reasonable, as shown in fig. 1, the life jacket body 1 comprises a front left garment piece 12, a front right garment piece 13 and a rear garment piece 11, the top edge of the front left garment piece 12 is connected with the left side of the top edge of the rear garment piece 11 to form a shoulder part of the life jacket body 1, and the left side edge of the front left garment piece 12 is connected with the left side edge of the rear garment piece 11; the top edge of the front right garment piece 13 is connected with the right side of the top edge of the rear garment piece 11 to form another shoulder part of the life jacket body 1, the right side edge of the front right garment piece 13 is connected with the right side edge of the rear garment piece 11, the right side edge of the front left garment piece 12 is connected with the left side edge of the front right garment piece 13 through a detachable structure, and the detachable structure is a rope which is worn in the life jacket body 1 and two end parts of which can be mutually bound; buoyancy blocks 2 are arranged in the upper portion, the middle portion, the lower portion and the rear body piece 11 of each of the front left body piece 12 and the front right body piece 13, wherein the buoyancy blocks in the middle portions of the front left body piece 12 and the front right body piece 13 are the lens structures 6, and the reflection piece 7 on each lens structure 6 is arranged on the side face, close to the rear body piece 11, of the reflection piece.

In order to further enrich the structure of the life jacket, the life jacket can reflect light besides radar waves, so that search and rescue personnel can find people falling into water conveniently, and as shown in fig. 1, reflective belts 8 are arranged on the upper parts of the front surfaces of a front left garment piece 12 and a front right garment piece 13 of a life jacket body 1.

Claims

1. The utility model provides a life jacket, includes the life jacket body, is equipped with a plurality of buoyancy pieces in the life jacket body, its characterized in that: the lens structure comprises a core part and a plurality of dielectric constant layers, wherein the core part is of a solid structure, each dielectric constant layer is of a hollow square shell structure, the plurality of dielectric constant layers are arranged by wrapping the core part layer by layer, the dielectric constant layers of the lens structure from the core part to the outermost layer are continuously changed from 2 to 1, a reflecting sheet is arranged on one surface of the lens structure, and the surface of the reflecting sheet attached to the lens structure is a reflecting surface of the lens structure.

2. A life jacket as claimed in claim 1, wherein: a radar reflector is arranged on the shoulder part of the life jacket body, the radar reflector comprises a luneberg lens and a reflecting piece, the luneberg lens is of a spherical structure, and the luneberg lens is made of a foaming medium material; and a reflecting surface is formed on the reflecting piece, and the reflecting surface of the reflecting piece of the radar reflector is attached to the surface of the luneberg lens.

3. A life jacket as claimed in claim 2, wherein: the life jacket is characterized in that 2 shoulders of the life jacket body are respectively provided with a radar reflector, wherein the radar reflector on one shoulder is a directional radar reflector, and the radar reflector on the other shoulder is an omni-directional radar reflector.

4. A life jacket as claimed in claim 3, wherein: the reflecting piece of the directional radar reflector is positioned on the lower side of the Luneberg lens, the reflecting piece of the directional radar reflector is a directional reflecting piece, the reflecting surface of the directional reflecting piece is a concave surface with a hemispherical structure, the directional radar reflector is provided with a central reflecting direction L1, and the central reflecting direction L1 of the directional radar reflector is arranged upwards; the reflector of the omnidirectional radar reflector is an omnidirectional reflector which is a sheet-shaped metal ring, the omnidirectional reflector of the omnidirectional radar reflector is wound on the luneberg lens of the omnidirectional radar reflector, and the inner surface of the omnidirectional reflector is a reflecting surface.

5. A life jacket as claimed in claim 1, wherein: the lens structure is arranged on the middle position of the front surface of the life jacket body, and the reflector plate is arranged on the back surface of the lens structure.

6. A life jacket as claimed in claim 1, 2, 3, 4 or 5, wherein: the life jacket body comprises a front left garment piece, a front right garment piece and a rear garment piece, the top edge of the front left garment piece is connected with the left side of the top edge of the rear garment piece to form a shoulder part of the life jacket body, and the left side edge of the front left garment piece is connected with the left side edge of the rear garment piece; the top edge of the front right garment piece and the right side of the top edge of the rear garment piece are connected to form another shoulder part of the life jacket body, the right side edge of the front right garment piece is connected with the right side edge of the rear garment piece, and the right side edge of the front left garment piece and the left side edge of the front right garment piece are connected together through a detachable structure; buoyancy blocks are arranged in the upper portion, the middle portion, the lower portion and the rear garment piece of each of the front left garment piece and the front right garment piece, the buoyancy blocks in the middle portions of the front left garment piece and the front right garment piece are the lens structures, and the reflection pieces on the lens structures are arranged on the side face, close to the rear garment piece, of each lens structure.

7. A life jacket as claimed in claim 6, wherein: reflective belts are arranged on the upper part of the front surface of the front left garment piece and the upper part of the front surface of the front right garment piece of the life jacket body.