Waterproof cable for sensor

By designing elongated grooves and triangular grooves in waterproof cables, the problem of insulating layer damage caused by moisture inflow is solved, the electrical performance and signal quality of sensor cables in humid environments are improved, and the service life is extended.

CN223140440UActive Publication Date: 2025-07-22YANGZHOU MEIHENG CABLE CO LTD
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Patent Information

Application Number
CN202422386899.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-29
Publication Date
2025-07-22
Estimated Expiration
2034-09-29

AI Technical Summary

Technical Problem

Existing sensor cables are prone to moisture entering in humid or watery environments, resulting in damage to the insulation layer, which in turn causes signal transmission to be blocked or short-circuited, affecting electrical performance and signal quality.

Method used

A waterproof cable is designed, including a sheath layer, a steel tape armor layer, a waterproof layer, a winding layer, a shielding layer, an insulating layer and a filler layer. By opening an elongated groove on the outer wall of the waterproof layer and a triangular groove on the outer wall of the shielding layer, it is used to guide moisture discharge and improve electromagnetic shielding performance respectively.

Benefits of technology

Effectively reduce the accumulation of moisture on the waterproof layer, reduce the risk of electrical failure, improve signal transmission quality and electromagnetic shielding efficiency, extend the service life of the cable and reduce maintenance costs.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223140440U_ABST
    Figure CN223140440U_ABST
Patent Text Reader

Abstract

The utility model discloses a waterproof cable for a sensor, and relates to the technical field of basic electrical elements. A waterproof cable for a sensor comprises a sheath layer, a steel tape armoring layer, a waterproof layer, a winding layer, a shielding layer, an insulating layer, a filler layer and a conductor layer, the outer wall of the steel tape armoring layer is bonded with the inner wall of the sheath layer, the outer wall of the waterproof layer is bonded with the inner wall of the steel tape armoring layer, the outer wall of the steel tape armoring layer is provided with a plurality of strip-shaped grooves, and the shielding layer is arranged in the strip-shaped grooves. A plurality of strip-shaped grooves are formed in the outer wall of the steel tape armoring layer in a strip shape, a plurality of long grooves are formed in the outer wall of the waterproof layer and rotate around the waterproof layer, and therefore water can be effectively guided to be rapidly discharged from the surface of the cable through the design of the long grooves, accumulation of the water on the waterproof layer is reduced, and the service life of the cable is prolonged. And meanwhile, the sensor cable is particularly important for the sensor cable used in a humid or rainy environment, and the electrical fault risk caused by moisture permeation can be remarkably reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of basic electrical components, and particularly relates to a waterproof cable for a sensor. Background Art

[0002] The cable for a sensor, also known as a sensor connecting wire or a sensor connector (with a cable), is an important bridge connecting the sensor and the detection device. These cables are responsible for converting various physical quantities collected by the sensor into electrical signals and transmitting them to the monitoring device for processing and analysis.

[0003] Among them, the cable usually has an electromagnetic shielding function, which can effectively suppress external electromagnetic interference and ensure the stability and accuracy of the transmitted signal. At the same time, the sheath and internal materials of the cable usually have good corrosion resistance, which can prevent the erosion of external corrosive agents and protect the safety of the sensor.

[0004] In the existing cables for sensors, in a humid or water-rich environment, moisture may enter the interior of the cable, resulting in damage to the insulating layer, and then causing signal transmission obstruction or short circuit. As a result, the electrical performance of the cable may be significantly degraded, such as an increase in resistance and a change in capacitance. These will directly affect the signal transmission quality. Content of the Utility Model

[0005] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and provide a waterproof cable for a sensor, which can solve the problem that in a humid or water-rich environment, moisture may enter the interior of the cable, resulting in damage to the insulating layer, and then causing signal transmission obstruction or short circuit, and further resulting in a significant degradation of the electrical performance of the cable, such as an increase in resistance and a change in capacitance. These will directly affect the signal transmission quality.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A waterproof cable for a sensor, comprising a sheath layer, a steel tape armor layer, a waterproof layer, a winding layer, a shielding layer, an insulating layer, a filler layer and a conductor layer. The outer wall of the steel tape armor layer is adhesively connected to the inner wall of the sheath layer, the outer wall of the waterproof layer is adhesively connected to the inner wall of the steel tape armor layer, and a plurality of strip-shaped grooves are formed on the outer wall of the steel tape armor layer;

[0007] Among them, the plurality of strip-shaped grooves are arranged in a strip shape on the outer wall of the steel tape armor layer, and a plurality of long-shaped grooves are formed on the outer wall of the waterproof layer. The plurality of long-shaped grooves are arranged in a rotation pattern around the waterproof layer.

[0008] Preferably, the outer wall of the winding layer is adhesively connected to the interior of the waterproof layer;

[0009] Among them, spiral grooves are formed on the outer wall of the winding layer, and the spiral grooves are arranged in a spiral shape on the outer wall of the winding layer.

[0010] Preferably, the outer wall of the shielding layer is adhesively connected to the inside of the winding layer;

[0011] Wherein, a plurality of triangular grooves are formed in the outer wall of the shielding layer, and the plurality of triangular grooves are arranged around the shielding layer.

[0012] Preferably, the outer wall of the insulating layer is adhesively connected to the inner wall of the shielding layer;

[0013] Wherein, the outer wall of the conductor layer is adhesively connected to the filler layer, and the filler layer is adhesively connected to the inner wall of the insulating layer.

[0014] Preferably, the sheath layer is composed of chloroprene rubber material;

[0015] Wherein, the steel tape armor layer is composed of steel tape material.

[0016] Preferably, the waterproof layer is composed of polyurethane material, the winding layer is composed of polyester film material, and the shielding layer is woven by aluminum alloy wires;

[0017] Wherein, the filler layer is composed of polypropylene material.

[0018] Compared with the prior art, the beneficial effects of the present utility model are:

[0019] 1. For the waterproof cable for sensors, a plurality of long grooves are formed in the outer wall of the waterproof layer, and the plurality of long grooves are arranged around the waterproof layer in a rotating manner. Such a design of the long grooves can effectively guide the water to quickly drain from the cable surface, reduce the accumulation of water on the waterproof layer, and at the same time, this is particularly important for sensor cables used in humid or rainy environments, and can significantly reduce the risk of electrical failures caused by water penetration. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present utility model will be further described below with reference to the drawings and embodiments:

[0021] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0022] Figure 2 is a structural schematic diagram outside the steel tape armor layer of the present utility model;

[0023] Figure 3 is a structural schematic diagram outside the waterproof layer of the present utility model;

[0024] Figure 4 is a structural schematic diagram outside the winding layer of the present utility model;

[0025] Figure 5 is a structural schematic diagram outside the shielding layer of the present utility model.

[0026] Reference Numerals: 1, sheath layer; 2, steel tape armor layer; 3, waterproof layer; 4, winding layer; 5, shielding layer; 6, insulating layer; 7, filler layer; 8, conductor layer; 9, strip groove; 10, long groove; 11, spiral groove; 12, triangular groove. Detailed Embodiment

[0027] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the drawings. The function of the drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present invention. However, it should not be construed as a limitation on the protection scope of the present invention.

[0028] In the description of the present invention, it should be understood that for orientation descriptions, such as up, down, front, back, left, right, etc., the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation on the present invention.

[0029] In the description of the present invention, "greater than", "less than", "exceeding", etc. are understood as not including the number itself, and "above", "below", "within", etc. are understood as including the number itself. If there is a description of first and second, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or the sequence relationship of the indicated technical features.

[0030] In the description of the present invention, unless otherwise clearly defined, words such as "set", "installed", "connected", etc. should be understood in a broad sense. Those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

[0031] Please refer to Figures 1-5 , the present invention provides a technical solution: a waterproof cable for a sensor, comprising a sheath layer 1, a steel tape armor layer 2, a waterproof layer 3, a winding layer 4, a shielding layer 5, an insulating layer 6, a filler layer 7, and a conductor layer 8;

[0032] Among them, the outer wall of the steel tape armor layer 2 is adhesively connected to the inner wall of the sheath layer 1, and the outer wall of the waterproof layer 3 is adhesively connected to the inner wall of the steel tape armor layer 2. Multiple strip-shaped grooves 9 are formed on the outer wall of the steel tape armor layer 2, and the multiple strip-shaped grooves 9 are arranged in strips on the outer wall of the steel tape armor layer 2. Such a design of the multiple strip-shaped grooves 9 can reduce the overall rigidity of the steel tape armor layer 2, making the cable more flexible when bent or twisted, and not easily broken or damaged. Multiple elongated grooves 10 are formed on the outer wall of the waterproof layer 3, and the multiple elongated grooves 10 are arranged in a rotational manner around the waterproof layer 3. Such a design of the elongated grooves 10 can effectively guide the moisture to quickly drain from the cable surface, reducing the accumulation of moisture on the waterproof layer. At the same time, this is particularly important for sensor cables used in humid or rainy environments, which can significantly reduce the risk of electrical failures caused by moisture penetration.

[0033] Among them, the outer wall of the winding layer 4 is adhesively connected to the inside of the waterproof layer 3. A spiral groove 11 is formed on the outer wall of the winding layer 4, and the spiral groove 11 is arranged in a spiral shape on the outer wall of the winding layer 4. Such a design of the spiral groove 11 can make the cable more smooth when bent or wound, reducing the friction and knotting phenomenon between cables, thereby extending the service life of the cable and reducing the maintenance cost. The outer wall of the shielding layer 5 is adhesively connected to the inside of the winding layer 4. Multiple triangular grooves 12 are formed on the outer wall of the shielding layer 5, and the multiple triangular grooves 12 are arranged around the shielding layer 5. Such a design of the triangular grooves 12 can improve the reflection and absorption ability of the shielding layer 5 to electromagnetic waves, reducing the scattering and transmission of electromagnetic waves on the surface of the shielding layer, thereby enhancing the overall electromagnetic shielding efficiency of the cable. The outer wall of the insulating layer 6 is adhesively connected to the inner wall of the shielding layer 5, the outer wall of the conductor layer 8 is adhesively connected to the filler layer 7, and the filler layer 7 is adhesively connected to the inner wall of the insulating layer 6.

[0034] Among them, the sheath layer 1 is composed of neoprene material, having excellent elasticity and aging resistance. The steel tape armor layer 2 is composed of steel tape material to enhance the mechanical protection performance and anti-external damage ability of the cable. The waterproof layer 3 is composed of polyurethane material, having excellent waterproof performance and being able to effectively prevent moisture penetration. The winding layer 4 is composed of polyester film material to increase the overall tensile, compressive and anti-bending abilities of the cable. The shielding layer 5 is woven from aluminum alloy wires, and the aluminum alloy wires have a light weight and good electrical conductivity, being suitable for occasions with requirements for weight. The insulating layer 6 is composed of polyethylene material, having good insulation performance and processing performance, and is one of the commonly used materials for cable insulating layers. The filler layer 7 is composed of polypropylene material, having good mechanical properties and chemical stability and not being easily hygroscopic.

[0035] A plurality of elongated grooves 10 are formed in the outer wall of the waterproof layer 3, and the plurality of elongated grooves 10 are arranged around the waterproof layer 3 in a rotational manner. Such a design of the elongated grooves 10 can effectively guide moisture to quickly drain from the surface of the cable, reducing the accumulation of moisture on the waterproof layer. At the same time, this is particularly important for sensor cables used in humid or rainy environments, and can significantly reduce the risk of electrical failures caused by moisture penetration. A plurality of triangular grooves 12 are formed in the outer wall of the shielding layer 5, and the plurality of triangular grooves 12 are arranged around the shielding layer 5. Such a design of the triangular grooves 12 can improve the reflection and absorption capabilities of the shielding layer 5 for electromagnetic waves, reducing the scattering and transmission of electromagnetic waves on the surface of the shielding layer, thereby enhancing the overall electromagnetic shielding efficiency of the cable.

[0036] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the scope of knowledge possessed by those of ordinary skill in the art.

Claims

1. A waterproof cable for a sensor, comprising a sheath layer (1), a steel tape armor layer (2), a waterproof layer (3), a winding layer (4), a shielding layer (5), an insulating layer (6), a filler layer (7) and a conductor layer (8), characterized in that: The outer wall of the steel tape armor layer (2) is adhesively connected to the inner wall of the sheath layer (1), the outer wall of the waterproof layer (3) is adhesively connected to the inner wall of the steel tape armor layer (2), and a plurality of strip-shaped grooves (9) are formed on the outer wall of the steel tape armor layer (2); Among them, the plurality of strip-shaped grooves (9) are arranged in strips on the outer wall of the steel tape armor layer (2), a plurality of elongated grooves (10) are formed on the outer wall of the waterproof layer (3), and the plurality of elongated grooves (10) are arranged in a rotational manner around the waterproof layer (3).

2. The waterproof cable for a sensor according to claim 1, characterized in that: The outer wall of the winding layer (4) is adhesively connected to the inside of the waterproof layer (3); Among them, a spiral groove (11) is formed on the outer wall of the winding layer (4), and the spiral groove (11) is arranged in a spiral shape on the outer wall of the winding layer (4).

3. The waterproof cable for a sensor according to claim 1, characterized in that: The outer wall of the shielding layer (5) is adhesively connected to the inside of the winding layer (4); Among them, a plurality of triangular grooves (12) are formed on the outer wall of the shielding layer (5), and the plurality of triangular grooves (12) are arranged around the shielding layer (5).

4. The waterproof cable for a sensor according to claim 1, characterized in that: The outer wall of the insulating layer (6) is adhesively connected to the inner wall of the shielding layer (5); Among them, the outer wall of the conductor layer (8) is adhesively connected to the filler layer (7), and the filler layer (7) is adhesively connected to the inner wall of the insulating layer (6).

5. A waterproof cable for a sensor according to claim 1, characterized in that: The sheath layer (1) is composed of a chloroprene rubber material; Among them, the steel tape armor layer (2) is composed of a steel tape material.

6. The waterproof cable for a sensor according to claim 1, wherein: The waterproof layer (3) is composed of a polyurethane material, the winding layer (4) is composed of a polyester film material, and the shielding layer (5) is woven from aluminum alloy wires; Among them, the filler layer (7) is composed of a polypropylene material.