Multi-core sensor cable for hydraulic engineering

Abstract

The utility model relates to the technical field of cables, and discloses a hydraulic multi-core sensor cable, the cross section of the cable is provided with a conductor layer, an outer wrapping tape layer, an outer shielding layer, an outer water-blocking tape, a metal armor and an outer sheath from inside to outside in sequence, the center of the conductor layer is provided with a reinforcing member 1, and the conductor layer is filled with cable paste and a plurality of tensile ropes; the conductor layer comprises a plurality of core wires, an inner belting layer, an inner shielding layer, an inner water blocking tape and an inner sheath are sequentially arranged on the outer sides of the plurality of core wires from inside to outside, and second reinforcing pieces are arranged on the inner sides of the plurality of core wires. According to the utility model, through cooperation of the second reinforcer, the first reinforcer and the tensile rope, partial tensile force can be absorbed and dispersed, so that the pressure of the internal structure of the cable is reduced, and the tensile performance of the cable is improved; through the cooperation of the outer sheath, the outer water-blocking tape, the cable paste, the inner sheath and the inner water-blocking tape, the cable can be effectively prevented from being affected by an underground humid environment, and the use safety of the cable is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable technical field, concretely is a kind of multi-core sensor cable for hydraulic. BACKGROUND

[0002] The multi-core sensor cable for hydraulic is a kind of cable specially designed for the field of hydraulic engineering, especially for the transmission of sensor data in underwater or humid environments. This cable usually has certain waterproof performance and corrosion resistance to meet the special requirements of underground working environment of reservoirs.

[0003] Due to the natural topographic changes of reservoir underground environment, such as soil subsidence and underground water level changes, these changes may cause the cable to be stretched or stressed. Traditional sensor cables rely only on metal armor to improve the tensile resistance of sensor cables, which is difficult to ensure their reliability and durability in complex application environments. Secondly, traditional sensor cables mostly rely on double sheath to achieve waterproof of cable, and the waterproof performance is poor. SUMMARY

[0004] The technical problem to be solved by the utility model is that the tensile resistance of traditional sensor cables is insufficient, and the waterproof performance is poor.

[0005] In order to solve the above problems, the technical scheme of the utility model is as follows: a multi-core sensor cable for hydraulic engineering, the cross section of the cable is sequentially provided with a conductor layer, an outer wrapping layer, an outer shielding layer, an outer water-blocking tape, a metal armor and an outer sheath from inside to outside, a reinforcing part one is arranged at the center of the conductor layer, and the conductor layer is filled with cable paste and a plurality of anti-tension ropes.

[0006] The conductor layer includes a plurality of core wires, and the outer side of the plurality of core wires is sequentially provided with an inner wrapping layer, an inner shielding layer, an inner water-blocking tape and an inner sheath from inside to outside, and the inner side of the plurality of core wires is provided with a reinforcing part two.

[0007] Further, a plurality of conductors are arranged inside each of the core wires, and an insulating layer is arranged outside the conductors.

[0008] Further, the outer shielding layer is formed by copper wire weaving, and the inner shielding layer is aluminum foil.

[0009] Further, the reinforcing part one is steel wire, and an insulating sheath is arranged outside the steel wire.

[0010] Further, the inner sheath is PVC sheath.

[0011] Further, the reinforcing part two is in cylindrical structure and is made of TPE material.

[0012] Further, the cross section of the outer sheath is sequentially provided with polyurethane sheath, waterproof coating, corrosion-resistant coating and wear-resistant coating from inside to outside. Further, the cross section of the outer sheath is sequentially provided with polyurethane sheath, waterproof coating, corrosion-resistant coating and wear-resistant coating from inside to outside.

[0013] The utility model discloses compared with prior art's advantage lies in: the utility model discloses through the cooperation of reinforcing member no. 2, reinforcing member no. 1 and tensile rope, can absorb and disperse partial tension, thereby alleviating the pressure of cable internal structure, improve the tensile property of cable, through the cooperation of outer sheath, outer water-blocking belt, cable paste, inner sheath and inner water-blocking belt can effectively avoid the influence of underground humid environment to cable, promote the security of cable use. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the sectional view of the utility model.

[0015] Fig. 2 It is the sectional view of the utility model core wire.

[0016] Fig. 3 It is the partial sectional view of the utility model outer sheath.

[0017] As shown in the figure: 1, conductor layer, 2, outer tape layer, 3, outer shielding layer, 4, outer water-blocking belt, 5, metal armor, 6, outer sheath, 6.1, polyurethane sheath, 6.2, waterproof coating, 6.3, corrosion-resistant coating, 6.4, wear-resistant coating, 7, reinforcing member no. 1, 8, cable paste, 9, tensile rope, 10, conductor, 11, insulation layer, 12, inner tape layer, 13, inner shielding layer, 14, inner water-blocking belt, 15, inner sheath, 16, reinforcing member no. 2, 17, insulation sheath. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments; based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0019] As Figs. 1 to 3 The utility model discloses a kind of multi-core sensor cables for hydraulic engineering, the section of the cable is sequentially from inside to outside conductor layer 1, outer tape layer 2, outer shielding layer 3, outer water-blocking belt 4, metal armor 5 and outer sheath 6, the center of the conductor layer 1 is equipped with reinforcing member no. 1 7, and conductor layer 1 is filled with cable paste 8 and several tensile ropes 9, the reinforcing member no. 1 7 is steel wire, and steel wire outside is equipped with insulation sheath 17.

[0020] The section of the outer sheath 6 is sequentially from inside to outside polyurethane sheath 6.1, waterproof coating 6.2, corrosion-resistant coating 6.3 and wear-resistant coating 6.4.

[0021] The conductor layer 1 comprises a plurality of core wires, each of which is internally provided with a plurality of conductors 10, the conductors 10 are externally provided with an insulating layer 11, the outer sides of the plurality of core wires are sequentially provided from inside to outside with an inner wrapping tape layer 12, an inner shielding layer 13, an inner water-blocking tape 14 and an inner sheath 15, the inner sides of the plurality of core wires are provided with a reinforcing member two 16, the inner shielding layer 13 is an aluminum foil, the inner sheath 15 is a PVC sheath, and the reinforcing member two 16 is in a cylindrical structure and is made of TPE material.

[0022] In specific use, the TPE material has high elasticity and rebound shrinkage rate similar to rubber, and the reinforcing member two 16 as a component of the core wire can maintain good flexibility and durability, and when the core wire is subjected to tensile force, the reinforcing member two 16 can absorb and disperse part of the tensile force, thereby reducing the pressure of the internal structure of the core wire and improving the tensile performance of the core wire; similarly, when the cable is subjected to tensile force, the reinforcing member one 7 can absorb and disperse part of the tensile force, thereby reducing the pressure of the internal structure of the cable and improving the tensile performance of the cable, and the tensile rope 9 can effectively improve the tensile performance of the cable; the polyurethane sheath 6.1 has good waterproof and acid and alkali resistance, and the waterproof coating 6.2 and the corrosion-resistant coating 6.3 can effectively improve the waterproof and corrosion resistance of the cable, and the cooperation of the outer sheath 6, the outer water-blocking tape 5, the cable paste 14, the inner sheath 15 and the inner water-blocking tape 14 can effectively avoid the influence of the underground humid environment on the cable and improve the safety of the cable in use.

[0023] The un-disclosed parts in the utility model are all prior art, and the specific structure and working principle will not be described again.

[0024] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0025] Although embodiments of the utility model have been shown and described, it will be understood by those having ordinary skill in the art that various changes, modifications, alternatives, and variations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

[0026] The above has described the utility model and its implementation mode, which is not restrictive, and the drawings only show one of the implementation modes of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.

Claims

1. A multi-core sensor cable for use in water engineering, characterized by: The cross section of the cable is in turn from inside to outside conductor layer (1), outer wrapping layer (2), outer shielding layer (3), outer water blocking tape (4), metal armor (5) and outer sheath (6), the center of the conductor layer (1) is provided with reinforcing member one (7), and the conductor layer (1) is filled with cable paste (8) and several tensile ropes (9); The conductor layer (1) comprises a plurality of core wires, and the outer side of the plurality of core wires is in turn provided with an inner wrapping layer (12), an inner shielding layer (13), an inner water blocking tape (14) and an inner sheath (15) from inside to outside, and the inner side of the plurality of core wires is provided with reinforcing member two (16).

2. A multi-core sensor cable for use in water engineering according to claim 1, characterized in that: Each of the core wires is internally provided with a plurality of conductors (10), and the outer side of the conductors (10) is provided with an insulating layer (11).

3. A multi-core sensor cable for use in water engineering according to claim 1, characterized in that: The outer shielding layer (3) is formed by copper wire weaving, and the inner shielding layer (13) is aluminum foil.

4. A multi-core sensor cable for use in water engineering according to claim 1, characterized in that: The reinforcing member one (7) is steel wire, and the outer side of the steel wire is sleeved with an insulating sheath (17).

5. A multi-core sensor cable for use in water engineering according to claim 1, characterized in that: The inner sheath (15) is a PVC sheath.

6. A multi-core sensor cable for use in water engineering according to claim 1, characterized in that: The reinforcing member two (16) is in a cylindrical structure and is made of TPE material.

7. A multi-core sensor cable for use in water engineering according to claim 1, characterized in that: The cross section of the outer sheath (6) is in turn from inside to outside polyurethane sheath (6.1), waterproof coating (6.2), corrosion-resistant coating (6.3) and wear-resistant coating (6.4).

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