CN210837234U - Seawater corrosion-resistant cable capable of achieving lifting sampling - Google Patents

Abstract

The embodiment of the utility model provides a but sea water corrosion-resistant cable of lift formula sample, include: the cable core, block water around covering and oversheath the outer cladding of cable core block water around the covering the outer extrusion of covering blocks water the oversheath, the cable core center is equipped with the sampling tube, the outer cladding of sampling tube has first sheath, the cable core still includes a plurality of group's conductors, keeps apart through the isolation layer between each group's conductor, the outer cladding of a plurality of group's conductors has the second sheath, a plurality of group's conductors are located first sheath with between the second sheath. The utility model provides a but seawater corrosion-resistant cable of lift formula sample has improved the seawater corrosion resistance of cable when realizing the sample function. And the outer diameter of the cable is minimum under the condition of ensuring normal working use of the cable, so that the acting force of water flow on the cable is reduced when the cable works underwater, and the underwater working equipment is less subjected to external force and more stable in work.

Description

Seawater corrosion-resistant cable capable of achieving lifting sampling

Technical Field

The utility model relates to a sea water corrosion-resistant cable technical field, in particular to but sea water corrosion-resistant cable of lift formula sample.

Background

In military industry, scientific research departments, breeding industries and the like, some scenes need to be sampled from the water frequently and the samples are analyzed.

However, the existing underwater cable generally has no function of extracting samples, cannot meet the requirement that underwater equipment finishes power supply and sampling of equipment by using one cable, can meet the requirement of long-time reciprocating use, and has poor corrosion resistance.

SUMMERY OF THE UTILITY MODEL

The utility model provides a but sea water corrosion resistant cable of lift formula sample has improved the sea water corrosion resistance of cable when realizing the sample function.

In order to solve the technical problem, the utility model discloses a technical scheme does:

the embodiment of the utility model provides a but sea water corrosion-resistant cable of lift formula sample, include: the cable core, block water around covering and oversheath the outer cladding of cable core block water around the covering the outer extrusion of covering blocks water the oversheath, the cable core center is equipped with the sampling tube, the outer cladding of sampling tube has first sheath, the cable core still includes a plurality of group's conductors, keeps apart through the isolation layer between each group's conductor, the outer cladding of a plurality of group's conductors has the second sheath, a plurality of group's conductors are located first sheath with between the second sheath.

Preferably, the number of the conductor sets is 4, and the number of the isolation layers is 4.

Preferably, each set of conductors comprises several conductors.

Preferably, the waterproof wrapping layer comprises a Kevlar braided layer, the Kevlar braided layer is located on the outer side of the waterproof wrapping layer, and the outer side of the Kevlar braided layer is wrapped with the outer sheath.

Preferably, the sampling tube is a PVC hose.

Preferably, the first sheath is a TPV sheath.

Preferably, the second sheath is a TPV sheath.

Preferably, the outer sheath is a TPU sheath.

Preferably, the sets of conductors are tiled on the first jacket layer.

Preferably, the number of the conductor sets is 3, and the number of the isolation layers is 3.

Adopt above-mentioned technical scheme, owing to wrap around the covering at the outer cladding of cable core and block water, the outer extrusion oversheath that wraps around the covering at blocking water, the outer cladding of sampling tube has first sheath, still is equipped with a plurality of groups of conductors on the first sheath, keeps apart through the isolation layer between each group of conductor, and the outer cladding of these a plurality of groups of conductors has the second sheath to the corrosion resistance of cable has been improved, wear-resisting cold-resistant buckling, can receive and release the use repeatedly, and can realize the function of sample through the sampling tube. Thirdly, because the power supply lead is formed by arranging a plurality of groups of conductors and isolating the conductors by the isolating layer, the heat dissipation performance of the cable is enhanced. And the outer diameter can be minimized under the condition that the cable is used in normal work, the acting force of water flow on the cable is reduced when the cable works underwater, and underwater working equipment is less subjected to external force and more stable in work.

Drawings

Fig. 1 is a schematic structural diagram of a seawater corrosion-resistant cable capable of lift sampling provided by an embodiment of the present invention.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

In the description of the embodiments herein, "/" means "or" unless otherwise specified, for example, a/B may mean a or B; "and/or" herein is merely an association describing an associated object, and means that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, in the description of the embodiments of the present application, "a plurality" means two or more than two.

In the following, the terms "first", "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present application, "a plurality" means two or more unless otherwise specified.

The embodiment of the utility model provides a but sea water corrosion-resistant cable of lift formula sample, as shown in figure 1, include: the cable comprises a cable core, a water-blocking wrapping layer 02 and an outer sheath 03, wherein the water-blocking wrapping layer 02 is coated outside the cable core, the outer sheath 03 is extruded outside the water-blocking wrapping layer 02, a sampling tube 01 is arranged in the center of the cable core, a first protective layer 04 is coated outside the sampling tube 01, the cable core further comprises a plurality of groups of conductors 05, each group of conductors 05 are isolated through an isolation layer 06, a second protective layer 07 is coated outside each group of conductors 05, and the plurality of groups of conductors 05 are located between the first protective layer 04 and the second protective layer 07.

Adopt above-mentioned technical scheme, owing to wrap around the covering at the outer cladding of cable core and block water, the outer extrusion oversheath that wraps around the covering at blocking water, the outer cladding of sampling tube has first sheath, still is equipped with a plurality of groups of conductors on the first sheath, keeps apart through the isolation layer between each group of conductor, and the outer cladding of these a plurality of groups of conductors has the second sheath to the corrosion resistance of cable has been improved, wear-resisting cold-resistant buckling, can receive and release the use repeatedly, and can realize the function of sample through the sampling tube. Thirdly, because the power supply lead is formed by arranging a plurality of groups of conductors and isolating the conductors by the isolating layer, the heat dissipation performance of the cable is enhanced. And the outer diameter can be minimized under the condition that the cable is used in normal work, the acting force of water flow on the cable is reduced when the cable works underwater, and underwater working equipment is less subjected to external force and more stable in work. In addition, the cable can be used for underwater sampling in rivers, lakes and seas and can be used for underwater equipment sampling matched with military and scientific research departments.

Wherein each group of conductors and the isolation layer are clamped between the first sheath layer and the second sheath layer.

Further, the number of the groups of the conductors corresponds to the number of the isolating layers.

In a preferred embodiment, there are 4 sets of conductors 05 and 4 isolation layers 06. Therefore, the wires can be made into three-phase four-wire wires, and the outer diameter of the cable is more favorably reduced.

The conductor 05 may be stranded by a plurality of copper wires or aluminum alloy wires.

Wherein, isolation layer 06 can form through resin, plastics, silicon rubber, PVC etc. the effect of isolation layer is mainly: the accidents of electric leakage, short circuit, electric shock and the like caused by the contact of the conductor and the outside are prevented.

Preferably, each set of conductors 05 comprises several conductors.

Further, the waterproof wrapping layer comprises a Kevlar woven layer 08, the Kevlar woven layer 08 is located on the outer side of the waterproof wrapping layer 02, and the outer side of the Kevlar woven layer 08 is coated with an outer sheath 03. The tensile property of the cable can be further improved.

In a preferred embodiment, the sampling tube 01 is a PVC hose. Polyvinyl chloride (pvc), abbreviated as pvc in english, is an initiator of Vinyl Chloride Monomer (VCM) in peroxide, azo compound, etc.; or a polymer polymerized by a free radical polymerization mechanism under the action of light and heat.

As a preferred embodiment, the first sheath 04 is a TPV sheath.

Wherein, TPV: thermoplastic Vulcanizate (Thermoplastic vulcanizer, english), abbreviated as TPV.

The advantages of TPV are as follows: 1. excellent ageing resistance and good weather resistance and heat resistance; 2. excellent permanent deformation resistance; 3. excellent tensile strength, high toughness and high resilience; 4. excellent environmental protection performance and repeated use; 5. excellent electrical insulation properties; 6. the hardness range is wide; 7. the application temperature range is wide; 8. the color is diversified, the transparent, semitransparent and light-colored series are provided, the coloring is easy, and the processing and the forming are easy; 9. can be co-injected or extruded with PP, PA, PC, ABS, PS, PBT, PET and other materials.

As a preferred embodiment, the second jacket layer 07 is a TPV jacket layer. The tensile and corrosion resistance of the cable can be further improved.

In a preferred embodiment, the outer sheath 03 is a TPU sheath.

TPU: thermoplastic polyurethane elastomer rubber.

The advantages of the TPU are as follows: 1, high wear resistance; 2, the hardness range is wide; 3, the mechanical strength is high; 4, the processability is good; 5, oil resistance, water resistance and mould resistance; and 6, the recycling property is good.

Preferably, several sets of conductors 05 are laid down on the first jacket 04. The design can make the heat dispersion of cable better.

Preferably, the number of sets of conductors 05 is 3 and the number of isolation layers 06 is 3.

Further, the outer sheath 03 is formed by extruding polyurethane which is seawater resistant material. Thus, the corrosion resistance of the cable can be further improved, and the cable can work under seawater for a long time.

The main raw materials of polyurethane comprise diphenylmethane diisocyanate (MDI), Toluene Diisocyanate (TDI) and polypropylene glycol (PPG), and are internationalized commodities at present. Polyurethane is a new organic polymer material, and is known as 'fifth major plastic'.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims (10)

1. The utility model provides a but seawater corrosion resistant cable of lift formula sample which characterized in that includes: the cable core, block water around covering and oversheath the outer cladding of cable core block water around the covering the outer extrusion of covering blocks water the oversheath, the cable core center is equipped with the sampling tube, the outer cladding of sampling tube has first sheath, the cable core still includes a plurality of group's conductors, keeps apart through the isolation layer between each group's conductor, the outer cladding of a plurality of group's conductors has the second sheath, a plurality of group's conductors are located first sheath with between the second sheath.

2. The seawater corrosion resistant cable of claim 1, wherein the number of the conductor sets is 4, and the number of the insulation layers is 4.

3. The seawater corrosion resistant cable of claim 1, wherein each group of conductors comprises a plurality of conductors.

4. The seawater corrosion resistant cable capable of sampling with the lifting head as claimed in claim 1, further comprising a Kevlar woven layer, wherein the Kevlar woven layer is located outside the water-blocking wrapping layer, and the outer sheath is wrapped outside the Kevlar woven layer.

5. The seawater corrosion resistant cable of claim 1, wherein the sampling tube is a PVC hose.

6. The seawater corrosion resistant cable of claim 1, wherein the first sheath is a TPV sheath.

7. The seawater corrosion resistant cable of claim 1, wherein the second sheath is a TPV sheath.

8. The seawater corrosion resistant cable of claim 1, wherein the outer sheath is a TPU sheath.

9. The seawater corrosion resistant cable of claim 1, wherein the plurality of sets of conductors are laid flat on the first sheath.

10. The seawater corrosion resistant cable of claim 1, wherein the number of the conductor sets is 3, and the number of the insulation layers is 3.

Images