CN218547991U

CN218547991U - Superfine coaxial detection line for video signal transmission and gastroscope adopting same

Info

Publication number: CN218547991U
Application number: CN202221658340.XU
Authority: CN
Inventors: 任志锋; 黄兴强; 邱寅峰; 任志敏; 李冰标
Original assignee: Huzhou Jiuding Electronic Co Ltd
Current assignee: Huzhou Jiuding Electronic Co Ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2023-02-28
Anticipated expiration: 2032-06-30

Abstract

A superfine coaxial detection line applied to gastroscope video signal transmission and a gastroscope adopting the line belong to the technical field of multi-core fine coaxial cable synthesis, and comprise a plurality of twisted coaxial lines, an outer protective layer coating the coaxial lines, a plurality of twisted inner conductors and a functional layer coating the inner conductors; the inner diameter of the single inner conductor is between 0.022mm-0.038 mm. The outer diameter of the wire rod of the whole product is reduced, and the integral volume of the product is reduced; and the whole product has smooth and flat appearance and soft line body.

Description

Superfine coaxial detection line for video signal transmission and gastroscope adopting same

Technical Field

The utility model belongs to the technical field of the meticulous coaxial cable synthesis of multicore, in particular to video signal transmission's superfine coaxial detection line and adopt gastroscope of this line.

Background

With the rapid development of science and technology and social economy, the industrial level is continuously improved, and higher requirements are put forward on the quality, performance and safety of cable products. In particular, in electronic devices such as portable computers, mobile phones, electronic account books, wireless transmission systems, global positioning systems, medical devices, and the like, since the space reserved for wiring of signal cables on the electronic devices such as medical devices, mobile phones, and the like is very small, only a space with a diameter of several millimeters is obtained, and the space reserved for wiring of signal cables on the electronic devices becomes smaller as the electronic devices are developed toward the direction of lightening, new requirements are put forward for both the space reserved for wiring of signal cables on the electronic devices and the high temperature resistance.

When the conventional signal cable generally comprises a conductor and an insulator made of a common material and coated on the conductor, in order to meet the safety requirement of the signal cable, the outer diameter of the signal cable is correspondingly made larger, generally more than 1 cm, so that the conventional signal cable cannot be adapted to electronic equipment with small requirement on wiring space.

SUMMERY OF THE UTILITY MODEL

The invention aims to provide an ultrafine coaxial detection line applied to gastroscope video signal transmission aiming at the existing problems.

To achieve the above object, the first aspect of the present invention is: a video signal transmission superfine coaxial detection line comprises a plurality of stranded coaxial lines, an outer protective layer coating the coaxial lines, a plurality of inner conductors and a functional layer coating the inner conductors; the inner diameter of the single inner conductor is between 0.022mm-0.038 mm.

As a practical manner, the coaxial line has three to five.

As a practical matter, the inner conductor has five to eight conductors.

As a practical manner, the functional layer includes an insulating layer, a winding layer, a shielding layer and a wrapping layer in sequence from the inner conductor to the outside.

As a practical manner, the insulating layer is a PFA fluoroplastic layer having a thickness of 0.03mm to 0.05 mm.

As a practical way, the winding layer is a tinned copper layer tightly spirally wound outside the insulating layer; the shielding layer is an ultrathin polyester copper foil layer wrapped outside the winding layer; the wrapping layer is an ultrathin hot-melt polyester tape wrapped outside the shielding layer.

As an implementation mode, the outer protective layer comprises an aluminum-plastic composite belt coated on the coaxial line and a PFA fluoroplastic layer with the thickness of 0.05mm-0.08mm arranged outside the aluminum-plastic composite belt.

In a second aspect, a gastroscope for medical examination, the video signal transmission employs the ultrafine coaxial probe wire of the video signal transmission of any one of the above first aspects.

Compared with the prior art, the utility model has the following beneficial effect: the superfine coaxial line is adopted to transmit video signals, so that the outer diameter of a wire can be reduced, and the overall volume of a product is reduced; the whole product has smooth and flat appearance and soft thread body; the flame retardant property is good, and the flame retardant passes the combustion test of international safety standard VW-1; the multi-head pre-untwisting set equipment is adopted for manufacturing, so that the stress of the coaxial line is eliminated, the wire is integrally softer, and the service life of the product is prolonged; and a PFA fluoroplastic sheath is adopted, so that the finished outer diameter of the wire is further reduced, and the softness is improved.

The gastroscope manufactured by the cable has small transmission cable, and reduces the discomfort of patients.

Drawings

1 coaxial wire, 2 outer protective layer, 11 inner conductor, 12 functional layer, 13 insulating layer, 14 winding layer, 15 shielding layer and 16 belting layer;

FIG. 1 is a schematic structural view of an embodiment;

FIG. 2 is a schematic structural diagram according to a second embodiment;

Detailed Description

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In a first embodiment, the ultra-fine coaxial probe line for video signal transmission shown in fig. 1 includes a plurality of twisted coaxial lines 1, an outer sheath 2 covering the coaxial lines 1, the coaxial lines 1 including a plurality of twisted inner conductors 11, and a functional layer 12 covering the inner conductors 11; the inner diameter of the single inner conductor 11 is between 0.022mm and 0.038mm, that is, the inner diameter of the inner conductor 11 is 0.030 ± 0.008mm.

In the present embodiment, the coaxial line 1 preferably has three, and the inner conductor 11 preferably has seven.

In the present embodiment, the functional layer 12 includes an insulating layer 13, a winding layer 14, a shielding layer 15, and a wrapping layer 16 in this order from the inner conductor 11. Wherein, the insulating layer 13 is a PFA fluoroplastic layer with the thickness of 0.05 mm; the winding layer 14 is a tinned copper layer tightly spirally wound outside the insulating layer 13; the shielding layer 15 is an ultrathin polyester copper foil layer wrapped outside the winding layer 14; the wrapping layer 16 is an ultrathin hot-melt polyester tape wrapped outside the shielding layer 15.

In this embodiment, the outer protective layer 2 includes an aluminum-plastic composite tape coated on the coaxial cable 1, and a PFA fluoroplastic layer with a thickness of 0.08mm disposed outside the aluminum-plastic composite tape.

In this embodiment, the insulating layer 13 is a PFA fluoroplastic layer having a thickness of 0.05mm, an elongation of 200% or more, and a tensile strength of 17.2MPa or more. The PFA fluoroplastic layer with the thickness of 0.08mm is arranged outside the aluminum-plastic composite belt, the elongation of the PFA fluoroplastic layer sheath is more than 200%, and the tensile strength is more than 17.2 MPa.

In a second embodiment, the ultrafine coaxial probe wire for video signal transmission shown in fig. 2 includes a plurality of stranded coaxial wires 1, an outer sheath 2 covering the coaxial wires 1, the coaxial wires 1 including a plurality of stranded inner conductors 11, and a functional layer 12 covering the inner conductors 11; the inner diameter of the single inner conductor 11 is between 0.022mm and 0.038mm, i.e., the inner diameter of the inner conductor 11 is 0.030 ± 0.008mm.

In the present embodiment, the coaxial line 1 preferably has four, and the inner conductor 11 preferably has eight.

In this embodiment, the insulating layer 13 is a PFA fluoroplastic layer having a thickness of 0.05mm, the PFA fluoroplastic layer having an elongation of 200% or more and a tensile strength of 17.2MPa or more. The PFA fluoroplastic layer with the thickness of 0.08mm is arranged outside the aluminum-plastic composite belt, the elongation of the PFA fluoroplastic layer sheath is more than 200%, and the tensile strength is more than 17.2 MPa.

In a third embodiment, a gastroscope for medical examination uses the ultra-thin coaxial probe wire for video signal transmission of any one of the first and second embodiments.

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described above with reference to the embodiments and the accompanying drawings, so as to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions.

The above embodiments are only used for further explanation of the present invention, and it is not understood that the present invention is limited by the protection scope of the present invention, and the technical engineers in the field are right according to the above contents of the present invention.

Claims

1. A video signal transmission superfine coaxial detection line comprises a plurality of twisted coaxial lines (1) and an outer protective layer (2) coating the coaxial lines (1), and is characterized in that the coaxial lines (1) comprise a plurality of twisted inner conductors (11) and a functional layer (12) coating the inner conductors (11); the inner diameter of the single inner conductor (11) is between 0.022mm and 0.038 mm.

2. A video signal transmission ultra-fine coaxial probe line according to claim 1, characterized in that said coaxial line (1) has three to five.

3. The ultra-fine coaxial probe line for video signal transmission according to claim 1, wherein said inner conductor (11) has five to eight.

4. The ultrafine coaxial probe wire for video signal transmission according to claim 1, wherein the functional layer (12) comprises an insulating layer (13), a winding layer (14), a shielding layer (15) and a wrapping tape layer (16) in sequence from the inner conductor (11) to the outside.

5. The ultra-fine coaxial probe line for video signal transmission according to claim 4, wherein said insulating layer (13) is a PFA fluoroplastic layer having a thickness of 0.03mm to 0.05 mm.

6. The ultra-fine coaxial probe line for video signal transmission according to claim 4, wherein said winding layer (14) is a tin-plated copper layer tightly spirally wound on the outside of said insulating layer (13); the shielding layer (15) is an ultrathin polyester copper foil layer wrapped outside the winding layer (14); the wrapping layer (16) is an ultrathin hot-melt polyester tape wrapped outside the shielding layer (15).

7. The ultra-fine coaxial probe line for video signal transmission according to claim 1, wherein the outer sheath (2) comprises an aluminum-plastic composite tape coated on the coaxial line (1), and a PFA fluoroplastic layer with a thickness of 0.05mm to 0.08mm disposed outside the aluminum-plastic composite tape.

8. A gastroscope for medical testing wherein the video signal transmission employs the video signal transmission ultra-fine coaxial probe wire of any one of claims 1 to 7.