CN220020633U

CN220020633U - Ethernet bus cable

Info

Publication number: CN220020633U
Application number: CN202320376587.0U
Authority: CN
Inventors: 程彩霞; 陈祖轩; 白贵超
Original assignee: Belden Hirschmann Industries Suzhou Co Ltd
Current assignee: Belden Hirschmann Industries Suzhou Co Ltd
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-11-14
Anticipated expiration: 2033-03-03

Abstract

The utility model discloses an Ethernet bus cable, which comprises four core wires, wherein filling strips are arranged in the middle of the four core wires, water blocking paste is smeared between the four core wires and the filling strips, a first inner quilt is extruded on the outer sides of the four core wires and the filling strips, a ground wire is arranged on the outer side of the first inner quilt and longitudinally wrapped by aluminum foil, a second inner quilt is arranged on the outer side of the aluminum foil, a weaving layer is arranged on the outer side of the second inner quilt, a non-woven fabric is arranged on the outer side of the weaving layer, and an outer quilt is arranged on the outer side of the non-woven fabric. In the utility model, 1 plastic filling strip is added among 4 insulating core wires to be twisted together; the filling strips enable the cable to be in a stable star-shaped structure under the bending state so as to ensure the stable transmission performance of the wire; the stress-free stranding mode ensures that the core wire does not arch after the wire is repeatedly wound and unwound.

Description

Ethernet bus cable

Technical Field

The utility model relates to the technical field of Ethernet cables, in particular to an Ethernet bus cable.

Background

The field detection Ethernet bus cable is used for transmitting signals for field physical exploration operation of petroleum, hydropower, coal, metallurgy and engineering geology. In field detection construction, due to complex working conditions such as complex terrain, climate change, frequent winding and unwinding, weak signals and the like, the wire rod is required to be waterproof, oil-resistant, cold-resistant, sunlight-resistant, soft, tensile, wear-resistant, bending-resistant, good in insulating performance, high in communication reliability, strong in anti-interference performance and complete in long-distance signal transmission and feedback; oil resistance, water resistance, high heat resistance, high humidity resistance, low temperature resistance and other environmental properties, good tensile resistance, compression resistance and wear resistance, excellent flexibility, bending resistance, repeated winding resistance, long-distance signal transmission and feedback performance and meeting strict weather conditions.

The wire rod needs to be finished in a 75C state, the wire rod with the length of 115 meters is in a signal bandwidth of 100MHz, and the error rate of 5000 times of signal transceiving is 0. The water blocking test of the wire rod is that a water column with the height of 1 meter enters one end of a cable with the length of 1 meter, and no water appears at the other end after 24 hours. The signal does not change when the surface of the wire is subjected to 500kg of pressure. These all place high demands on the ethernet cable, which conventional ethernet cables cannot meet.

Disclosure of Invention

The utility model aims to provide an Ethernet bus cable which is used for solving the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an Ethernet bus cable, includes four heart yearns, four the centre of heart yearn is provided with the filler strip, four block water cream is paintd between heart yearn and the filler strip, four the outside extrusion of heart yearn and filler strip has first interior quilt, the outside of first interior quilt is provided with the ground wire and indulges the package aluminium foil, the aluminium foil outside is provided with the second and is interior quilt, the second is interior by the outside and is provided with the weaving layer, the weaving layer outside is provided with the non-woven fabrics, the non-woven fabrics outside is provided with the quilt.

Preferably, four of the core wires and the filler rod are twisted together.

Preferably, the core wire comprises a conductor and an insulating layer, and the conductor adopts compression stranded bare copper or tin-plated copper.

Preferably, the first inner quilt and the first inner quilt adopt TPE elastomer sheaths.

Preferably, the outer cover is a polyurethane outer sheath.

Compared with the prior art, the utility model has the beneficial effects that: the conductor adopts a 22AWG (or other size) compression stranded bare copper (or tin-plated copper) conductor; the purpose of compression is to remove gaps between conductors and ensure the longitudinal water blocking of the cable; the surface of the conductor is insulated by extruding a layer of high-temperature resistant polyolefin; the insulation extrusion is compact to realize longitudinal water blocking; insulation layer concentricity requirement > =95% to ensure transmission performance; the high-temperature resistant insulating material needs to ensure that the wire rod passes the test with the error rate of 0 5000 times at the ambient temperature of 75 ℃;

adding 1 plastic filling strip in the middle of the 4 insulating core wires to twist together, and twisting in a stress-free mode by adopting a small pitch; the filling strips enable the cable to be in a stable star-shaped structure under the bending state so as to ensure the stable transmission performance of the wire; the stress-free stranding mode ensures that core wires do not arch after repeated winding and unwinding;

the method comprises the steps that a heating type high-temperature-resistant water-blocking ointment is smeared between core wires of the 4-core stranded wires, and meanwhile, an elastic body with smaller density and good electrical performance is extruded outside; the compact space between the wire insulators is ensured, and the longitudinal water blocking is realized.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

fig. 1 is a schematic structural view of the present utility model.

In the figure: 1. coating; 2. a nonwoven fabric; 3. a braiding layer; 4. a second inner quilt; 5. aluminum foil; 6. a first inner quilt; 7. filling strips; 8. a core wire; 9. water-blocking paste; 10. and (5) a ground wire.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Referring to fig. 1, in the embodiment of the utility model, an ethernet bus cable includes four core wires 8, a filling strip 7 is disposed in the middle of the four core wires 8, water-blocking paste 9 is smeared between the four core wires 8 and the filling strip 7, a first inner quilt 6 is extruded on the outer sides of the four core wires 8 and the filling strip 7, a ground wire 10 is disposed on the outer side of the first inner quilt 6 and longitudinally wraps an aluminum foil 5, a second inner quilt 4 is disposed on the outer side of the aluminum foil 5, a woven layer 3 is disposed on the outer side of the second inner quilt 4, a non-woven fabric 2 is disposed on the outer side of the woven layer 3, and an outer quilt 1 is disposed on the outer side of the non-woven fabric 2; the four core wires 8 and the filling strips 7 are twisted together; the core wire 8 comprises a conductor and an insulating layer, wherein the conductor adopts compressed stranded bare copper or tin-plated copper; the first inner quilt 6 and the first inner quilt 6 are both TPE elastomer sheaths; the outer cover 1 adopts a polyurethane outer sheath.

The conductor adopts a 22AWG (or other size) compression stranded bare copper (or tin-plated copper) conductor; the purpose of compression is to remove gaps between conductors and ensure the longitudinal water blocking of the cable;

the surface of the conductor is insulated by extruding a layer of high temperature resistant polyolefin (the insulation extrusion is compact to realize longitudinal water blocking, the concentricity requirement of the insulation layer is > =95% to ensure the transmission performance, and the high temperature resistant insulation material needs to ensure that the wire rod passes 5000 times of test with the error rate of 0 at the ambient temperature of 75C);

1 plastic filling strip is added among the 4 insulating core wires to be stranded together, and a small-pitch stress-free mode is adopted to be stranded (the filling strips enable the cable to be in a stable star-shaped structure under a bending state so as to ensure that the transmission performance of the wires is stable;

the method comprises the steps that a heating type high-temperature-resistant water-blocking ointment is smeared between core wires of the 4-core stranded wires and is arranged on the surface, and meanwhile, an elastic body with smaller density and good electrical performance is extruded outside (the space compaction between wire insulation is guaranteed, and longitudinal water blocking is realized);

dragging 1 metal conductor ground wire, and longitudinally wrapping an aluminum foil; (ensuring the shielding performance of the cable, wherein the length of the wire is 115 meters);

the method comprises the steps that heating type high-temperature-resistant water-blocking ointment is smeared on the inner surface of the aluminum foil coating and the place where the core wire is contacted through a special die and a special device, and meanwhile, a layer of TPE elastomer sheath with smaller density is extruded on the surface (the shielding layer is ensured to longitudinally wrap the water-blocking layer, and meanwhile, the bending softness and the lighter weight of a cable are ensured);

the high-strength fiber is braided outside the elastomer sheath (ensuring that the normal communication function of the wire is not affected under the condition of 400kg of bearing tension);

a layer of special flexible non-woven material protective layer wrapping line body is additionally wrapped on the knitting layer for buffering; (facilitating stripping of the end outer sheath layer during processing);

the (TPU) PUR polyurethane outer sheath (the sheath material is oil-resistant, waterproof, hydrolysis-resistant, acid-alkali salt mist corrosion-resistant, sunlight-resistant, high in strength and thickness, capable of protecting the whole wire from being influenced by 500kg transmission performance, high in elasticity, capable of guaranteeing repeated winding and unwinding stability of wires, and free from influence on transmission performance) with a thickness of more than 1.5 mm.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An ethernet bus cable comprising four core wires (8), characterized in that: four the centre of heart yearn (8) is provided with filler strip (7), four paint between heart yearn (8) and filler strip (7) and block water cream (9), four the outside extrusion of heart yearn (8) and filler strip (7) has first interior quilt (6), the outside of first interior quilt (6) is provided with ground wire (10) and indulges package aluminium foil (5), the aluminium foil (5) outside is provided with second interior quilt (4), be provided with weaving layer (3) in the second interior quilt (4) outside, weaving layer (3) outside is provided with non-woven fabrics (2), non-woven fabrics (2) outside is provided with outer quilt (1).

2. An ethernet bus cable according to claim 1, characterized in that: the four core wires (8) and the filler strips (7) are twisted together.

3. An ethernet bus cable according to claim 1, characterized in that: the core wire (8) comprises a conductor and an insulating layer, wherein the conductor adopts compression stranded bare copper or tin-plated copper.

4. An ethernet bus cable according to claim 1, characterized in that: the first inner quilt (6) and the first inner quilt (6) are both sheathed by TPE elastomer.

5. An ethernet bus cable according to claim 1, characterized in that: the outer cover (1) adopts a polyurethane outer sheath.