CN212724786U

CN212724786U - Data transmission line with good shielding property

Info

Publication number: CN212724786U
Application number: CN202021331058.1U
Authority: CN
Inventors: 曹风雷; 贺云峰; 郭东杰; 范平涛; 周国锋
Original assignee: Xinya Electronics Co ltd
Current assignee: Xinya Electronics Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-03-16
Anticipated expiration: 2030-07-09

Abstract

The utility model relates to a data transmission line that shielding property is good, including outer protective layer and outer shielding layer, outer shielding layer sets up in outer protective layer inboard, be provided with first wire, second wire and third wire in the outer shielding layer, first wire has a plurality of roots, a plurality of first wire evenly distributed is inboard in outer shielding layer, first wire includes first wire, first shielding layer and first insulation layer, first shielding layer inboard has set gradually first insulation layer and first wire by outer to interior, the second wire includes four inside second insulation metal wire of second shielding layer and second shielding layer, and every second insulation metal wire all includes that the outside cladding has the second metal wire of second insulation layer. The utility model is soft and comfortable, and fully adopts medical grade materials, and has no toxicity and good biocompatibility; the shielding efficiency of the cable is high due to the multiple shielding layers, and the requirement for the data transmission stability of the medical equipment is met.

Description

Data transmission line with good shielding property

Technical Field

The utility model relates to a wire and cable technical field, specific saying is a data transmission line that shielding nature is good.

Background

Along with the continuous development of medical level, medical instruments are more and more, and most medical instruments all need the power just can work, so need transmit energy or data signal or have two kinds of functions simultaneously with the wire cable, because the particularity and the complexity in medical field, for the accuracy of guaranteeing medical instrument's normal work and transmission data, the shielding requirement to the cable is than higher. Therefore, a shielding cable is urgently needed, which can effectively shield electromagnetic signals, reduce mutual interference among instruments, and ensure the normal work of the instruments and the accuracy of data transmission.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to above not enough, provide a data transmission line that shielding property is good, the shielding property of this cable is good, and soft comfortable.

For solving the technical problem, the utility model discloses a following technical scheme:

the utility model provides a data transmission line that shielding property is good, includes outer protective layer and outer shielding layer, outer shielding layer sets up in outer protective layer inboard, be provided with first wire, second wire and third wire in the outer shielding layer, first wire has a plurality of, a plurality of first wire evenly distributed is inboard in outer shielding layer, first wire includes first wire, first shielding layer and first insulating layer, first shielding layer inboard has set gradually first insulating layer and first wire by outer to interior, the second wire includes the inside four insulated metal wire of second shielding layer and second shielding layer, and every insulated metal wire all includes that the outside cladding has the second wire of second insulating layer, second insulated metal wire evenly distributed is inboard in second shielding layer, the third wire includes two third insulated metal wires, Two first soft fillers, third shielding layer and inner protective layer, the third shielding layer sets up in the inboard of inner protective layer, two third insulated metal wire sets up in the third shielding layer, and every second insulated metal wire all includes that the outside cladding has the third metal wire of third insulating layer, first soft filler sets up in the clearance of third metal wire and third shielding layer, be provided with the soft filler of a plurality of seconds in the outer shielding layer, the soft filler of second is used for filling the clearance between first wire, second wire, third wire and the outer shielding layer.

Further, the first metal wire, the second metal wire and the third metal wire are all made by twisting copper wires, and the copper wires are tinned copper wires.

Further, the total outer diameter of the first metal wire is 19mm, the outer diameter of the single copper wire is 0.1mm, the total outer diameters of the second metal wire and the third metal wire are 19mm, and the outer diameter of the single copper wire is 0.08 mm.

Further, outer shielding layer is for weaving the shielding layer, weaves by the tinned copper wire and makes, first shielding layer is the semiconductor shielding layer, second shielding layer and third shielding layer are the winding shielding layer, the winding shielding layer is made by the tinned copper wire.

Further, the outer protection layer is made of TPU, the thickness of the outer protection layer is 7-8 mm, and the inner protection layer is made of medical grade PVC.

Further, the first soft filler is aramid yarn, and the second soft filler is cotton yarn.

The utility model adopts the above technical scheme after, compare with prior art, have following advantage:

the outer protective layer of the utility model is made of TPU, has excellent wear resistance, high tensile strength, long service life, excellent biocompatibility, no toxicity, no anaphylactic reaction, no local irritation and no pyrogen, can be used for medical equipment, and does not irritate the skin of a patient; the lead made by twisting the copper wires has good bending performance and light weight; the cable is internally provided with a plurality of shielding layers, so that external signals are shielded, the cable is prevented from radiating outwards, the signal transmission stability is ensured, the shielding efficiency is improved, and the data transmission stability requirement of medical equipment is met; use cotton rope to fill the clearance between outer shielding layer and the wire in the outer shielding layer, keep the cable all the time to be a full state, avoid the cable to buckle the back and warp and hinder patient's skin, cause secondary damage, improve the pliability and the performance of buckling of cable.

The present invention will be described in detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. an outer protective layer; 2. an outer shield layer; 3. a first conductive line; 31. a first metal wire; 32. a first shielding layer; 33. a first insulating layer; 4. a second conductive line; 41. a second metal wire; 42. a second insulating layer; 43. a second shielding layer; 5. a third conductive line; 51. a third metal wire; 52. a first soft filler; 53. a third shielding layer; 54. a third insulating layer; 55. an inner protective layer; 6. a second soft filler.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1, a data transmission line with good shielding property comprises an outer protective layer 1 and an outer shielding layer 2, wherein the outer shielding layer 2 is arranged on the inner side of the outer protective layer 1, a first wire 3, a second wire 4 and a third wire 5 are arranged in the outer shielding layer 2, the first wire 3 is provided with a plurality of wires, the plurality of wires 3 are uniformly distributed on the inner side of the outer shielding layer 2, the first wire 3 comprises a first metal wire 31, a first shielding layer 32 and a first insulating layer 33, the inner side of the first shielding layer 32 is sequentially provided with the first insulating layer 33 and the first metal wire 31 from outside to inside, the second wire 4 comprises a second shielding layer 43 and four second insulating metal wires inside the second shielding layer 43, each second insulating metal wire comprises a second metal wire 41 coated with a second insulating layer 42 on the outer side, and the second insulating metal wires are uniformly distributed on the inner side of the second shielding layer 43, the third wire 5 comprises two third insulated metal wires, two first soft fillers 52, a third shielding layer 53 and an inner protective layer 55, the third shielding layer 53 is arranged on the inner side of the inner protective layer 55, the two third insulated metal wires are arranged in the third shielding layer 53, each second insulated metal wire comprises a third metal wire 51 coated with a third insulating layer 54 on the outer side, the first soft fillers 52 are arranged in the gap between the third metal wire 51 and the third shielding layer 53, a plurality of second soft fillers 6 are arranged in the outer shielding layer 2, and the second soft fillers 6 are used for filling the gap between the first wire 3, the second wire 4, the third wire 5 and the outer shielding layer 2.

In one embodiment, the first metal wire 31, the second metal wire 41 and the third metal wire 51 are all made by twisting copper wires, and the copper wires are tinned copper wires;

in one embodiment, the overall outer diameter of the first metal wire 31 is 19mm, the outer diameter of the single copper wire is 0.1mm, the overall outer diameters of the second metal wire and the third metal wire 51 are 19mm, the outer diameter of the single copper wire is 0.08mm, and the metal wire formed by twisting the copper wires is lighter in weight and better in bending property.

As an embodiment, the outer shielding layer 2 is a braided shielding layer, and is made of tinned copper wire, the first shielding layer 32 is a semiconductor shielding layer, the first shielding layer 32 is used for avoiding partial discharge between the insulating layer and the outer protective layer, the second shielding layer 43 and the third shielding layer 53 are both winding shielding layers, the winding shielding layer is made of tinned copper wire, and the second shielding layer 43 and the third shielding layer 53 are used for serving as a passage of short-circuit current when the system sends a short circuit, and also play a role in shielding an electric field.

As an embodiment, the outer protection layer 1 is made of TPU, the thickness of the outer protection layer 1 is 7-8 mm, and the inner protection layer 55 is made of medical grade PVC, and is non-toxic and highly biocompatible.

In one embodiment, the first soft filler 52 is aramid yarn, and the second soft filler 6 is cotton yarn.

The utility model is soft and comfortable, and fully adopts medical grade materials, and has no toxicity and good biocompatibility; the shielding efficiency of the cable is high due to the multiple shielding layers, and the cable can be used in medical equipment and meets the requirement of data transmission stability of the medical equipment.

The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.

Claims

1. The utility model provides a data transmission line that shielding property is good, its characterized in that includes outer protective layer (1) and outer shielding layer (2), outer shielding layer (2) set up in outer protective layer (1) inboard, be provided with first wire (3), second wire (4) and third wire (5) in outer shielding layer (2), first wire (3) have a plurality of, a plurality of first wire (3) evenly distributed is inboard in outer shielding layer (2), first wire (3) include first metal wire (31), first shielding layer (32) and first insulating layer (33), first insulating layer (33) and first metal wire (31) have been set gradually by outer to interior in first shielding layer (32) inboard, second wire (4) include second shielding layer (43) and the inside four second insulated metal wire of second shielding layer (43), each second insulated metal wire comprises second metal wires (41) coated with a second insulating layer (42) on the outer side, the second insulated metal wires are uniformly distributed on the inner side of a second shielding layer (43), each third wire (5) comprises two third insulated metal wires, two first soft fillers (52), a third shielding layer (53) and an inner protective layer (55), the third shielding layer (53) is arranged on the inner side of the inner protective layer (55), the two third insulated metal wires are arranged in the third shielding layer (53), each second insulated metal wire comprises a third metal wire (51) coated with a third insulating layer (54) on the outer side, the first soft fillers (52) are arranged in a gap between the third metal wires (51) and the third shielding layer (53), and a plurality of second soft fillers (6) are arranged in the outer shielding layer (2), the second soft filler (6) is used for filling gaps among the first lead (3), the second lead (4), the third lead (5) and the outer shielding layer (2).

2. The data transmission line with good shielding property according to claim 1, wherein the first metal wire (31), the second metal wire (41) and the third metal wire (51) are all made of twisted copper wires, and the copper wires are tinned copper wires.

3. The data transmission line with good shielding property of claim 1, wherein the overall outer diameter of the first metal wire (31) is 19mm, the outer diameter of the single copper wire is 0.1mm, the overall outer diameters of the second metal wire and the third metal wire (51) are 19mm, and the outer diameter of the single copper wire is 0.08 mm.

4. The data transmission line with good shielding property according to claim 1, wherein the outer shielding layer (2) is a braided shielding layer and is braided by tinned copper wire, the first shielding layer (32) is a semiconductor shielding layer, and the second shielding layer (43) and the third shielding layer (53) are both winding shielding layers made of tinned copper wire.

5. The data transmission line with good shielding property according to claim 1, wherein the outer protective layer (1) is made of TPU, the thickness of the outer protective layer (1) is 7-8 mm, and the inner protective layer (55) is made of medical grade PVC.

6. The data transmission line with good shielding property according to claim 1, wherein the first soft filler (52) is aramid yarn, and the second soft filler (6) is cotton yarn.