Wading sensor cable with double-layer sheath

Abstract

The utility model discloses a wading sensor cable with a double-layer sheath, which relates to the technical field of sensor cables and comprises a polyurethane outer sheath and a protection assembly arranged on the surface of the polyurethane outer sheath. The protection assembly comprises an elastic supporting sleeve, a PET outer wrapping belt, a tinned copper winding outer shield, a polyolefin inner sheath, a carbon fiber filament filling layer and a rubber waterproof layer, the elastic supporting sleeve is arranged on the surface of the inner side of the polyurethane outer sheath, and the surface of the inner side of the elastic supporting sleeve is connected with the PET outer wrapping belt. According to the wading sensor cable with the double-layer sheath, the problem that the sensing cable is extruded and impacted in liquid is solved through the protection assembly, the double-layer sheath is designed in a matched mode, the internal pressure is effectively reduced, and the influence caused by the change of the internal pressure can be reduced by preventing water from invading through the waterproof layer; and through the flame-retardant assembly, the overall flame-retardant and heat-insulating effects of the device are improved through a multi-layer flame-retardant structure, and damage caused by too high temperature of a storage environment can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of sensor cables, in particular to a water-wading sensor cable with a double-layer sheath. Background Art

[0002] A liquid level sensor is a sensor used to measure the level of a liquid or the volume of a liquid in a container. It detects the height or horizontal position of the liquid through different technologies. The liquid level sensor usually converts the sensed liquid level data into an electrical signal for easy reading and monitoring. The sensor connection cable is one of the components of the sensor and an important component of the monitoring and control system. It has the characteristics of anti-interference, high temperature resistance, and corrosion resistance.

[0003] Sensor cables on the market are usually not designed for outdoor or harsh environment applications, especially those placed in liquid environments. In liquids, cables are easily impacted, causing internal pressure instability, resulting in their inability to be used normally. To this end, we propose a double-layer sheathed water-resistant sensor cable. Utility Model Content

[0004] The purpose of the utility model is to provide a water sensor cable with a double-layer sheath to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a double-layer sheathed water-wading sensor cable, comprising a polyurethane outer sheath and a protective component, wherein the protective component is arranged on the surface of the polyurethane outer sheath, and the protective component comprises an elastic support sleeve, a PET outer tape, a tinned copper wrapped outer shield, a polyolefin inner sheath, a carbon fiber filling layer and a rubber waterproof layer, the elastic support sleeve is arranged on the inner surface of the polyurethane outer sheath, and the inner surface of the elastic support sleeve is connected to the PET outer tape, the inner surface of the PET outer tape is provided with a tinned copper wrapped outer shield, and the inner surface of the tinned copper wrapped outer shield is connected to the polyolefin inner sheath, the polyolefin inner sheath is filled with a carbon fiber filling layer, and the inner surface of the polyolefin inner sheath is provided with a rubber waterproof layer.

[0006] Furthermore, a flame retardant component for flame retardancy is arranged on the inner surface of the rubber waterproof layer, and the flame retardant component includes an aluminum foil inner tape, a polyvinyl chloride flame retardant layer, a tinned copper wrapped inner shield, a silicone rubber protective layer and a PVC inner tape.

[0007] Furthermore, the aluminum foil inner wrapping tape is arranged on the inner surface of the rubber waterproof layer, and the inner surface of the aluminum foil inner wrapping tape is connected with a polyvinyl chloride flame retardant layer.

[0008] Furthermore, a tinned copper wrapped inner shield is provided on the inner surface of the polyvinyl chloride flame retardant layer, and a silicone rubber protective layer is connected to the inner surface of the tinned copper wrapped inner shield.

[0009] Furthermore, a PVC inner tape is provided on the inner surface of the silicone rubber protective layer, and an inner wire core layer is provided on the inner surface of the PVC inner tape.

[0010] Furthermore, a polyolefin insulation sleeve is arranged inside the inner wire core layer, and two groups of polyolefin insulation sleeves are arranged.

[0011] Furthermore, a copper-aluminum alloy conductor is arranged inside the polyolefin insulation sleeve, and two groups of the copper-aluminum alloy conductor and the polyolefin insulation sleeve are arranged correspondingly.

[0012] Furthermore, the inner wire core layer is a flexible structure, and a filling wire is arranged inside the inner wire core layer.

[0013] The utility model provides a double-layer sheathed wading sensor cable, which has the following beneficial effects:

[0014] 1. The utility model is provided with a protective component, which includes an elastic support sleeve, a PET outer belt, a tinned copper winding outer shield, a polyolefin inner sheath, a carbon fiber filament filling layer and a rubber waterproof layer. When in use, the polyurethane material has excellent stability, chemical resistance, resilience and mechanical properties, so that the polyurethane outer sheath has smaller compression deformation, polyolefin has excellent impact strength, and the carbon fiber filament filling layer can further improve the tear resistance of the polyolefin inner sheath. The cable is more resistant to pressure through the combined action of the polyurethane outer sheath and the polyolefin inner sheath. The PET material has good moisture resistance, so that the PET outer belt can keep the inside dry. The elastic support sleeve is an elastic hard structure to improve the overall protection. The rubber waterproof layer can prevent water from entering the inside. The tinned copper winding outer shield can well resist signal interference and has a low noise value. At the same time, the impact resistance is strengthened, so that the device solves the problem of the sensor cable being squeezed and impacted in the liquid. The double-layer sheath is designed to effectively reduce the internal pressure. The waterproof layer can also prevent moisture from intrusion and reduce the impact of internal pressure changes.

[0015] 2. The utility model is provided with a flame retardant component, which includes an aluminum foil inner tape, a polyvinyl chloride flame retardant layer, a tinned copper wrapped inner shield, a silicone rubber protective layer and a PVC inner tape. When in use, the aluminum foil inner tape has good moisture resistance, the polyvinyl chloride flame retardant layer can effectively play a flame retardant role, the tinned copper wrapped inner shield can further play an anti-interference role, the double-layer shielding further improves the impact resistance, the silicone rubber protective layer can further improve the flame retardant effect, the PVC material not only has strong durability, but also has good heat insulation performance, so that the PVC inner tape has strong high temperature resistance, so that the device can improve the overall flame retardant and heat insulation effect through the multi-layer flame retardant structure, and can avoid damage due to excessively high temperature in the storage environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of a protective component of a double-layer sheathed wading sensor cable of the utility model;

[0017] Figure 2 It is a three-dimensional structural schematic diagram of a double-layer sheathed wading sensor cable of the utility model;

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of a flame retardant component of a double-sheathed water sensor cable of the utility model.

[0019] In the figure: 1. Polyurethane outer sheath; 2. Protection component; 201. Elastic support sleeve; 202. PET outer tape; 203. Tinned copper wrapped outer shield; 204. Polyolefin inner sheath; 205. Carbon fiber filling layer; 206. Rubber waterproof layer; 3. Flame retardant component; 301. Aluminum foil inner tape; 302. Polyvinyl chloride flame retardant layer; 303. Tinned copper wrapped inner shield; 304. Silicone rubber protection layer; 305. PVC inner tape; 4. Internal wire core layer; 5. Polyolefin insulation sleeve; 6. Copper-aluminum alloy conductor; 7. Filling wire. DETAILED DESCRIPTION

[0020] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0021] like Figures 1 to 3 As shown, a double-layer sheathed wading sensor cable includes a polyurethane outer sheath 1 and a protective component 2, the protective component 2 is arranged on the surface of the polyurethane outer sheath 1, and the protective component 2 includes an elastic support sleeve 201, a PET outer tape 202, a tinned copper wrapped outer shield 203, a polyolefin inner sheath 204, a carbon fiber filament filling layer 205 and a rubber waterproof layer 206, the elastic support sleeve 201 is arranged on the inner surface of the polyurethane outer sheath 1, and the inner surface of the elastic support sleeve 201 is connected to the PET outer tape 202, the inner surface of the PET outer tape 202 is provided with a tinned copper wrapped outer shield 203, and the inner surface of the tinned copper wrapped outer shield 203 is connected to the polyolefin inner sheath 204, the polyolefin inner sheath 204 is filled with a carbon fiber filament filling layer 205, and the inner surface of the polyolefin inner sheath 204 is provided with a rubber waterproof layer 206.

[0022] The specific operation is as follows: when in use, the polyurethane material has excellent stability, chemical resistance, resilience and mechanical properties, so that the polyurethane outer sheath 1 has smaller compression deformation, polyolefin has excellent impact resistance, and the carbon fiber filling layer 205 can further improve the tear resistance of the polyolefin inner sheath 204. The combined action of the polyurethane outer sheath 1 and the polyolefin inner sheath 204 makes the cable more pressure-resistant. The PET material has good moisture resistance, so that the PET outer tape 202 can keep the inside dry. The elastic support sleeve 201 is an elastic hard structure to improve the overall protection. The rubber waterproof layer 206 can prevent water from entering the inside. The tinned copper wrapped outer shield 203 can effectively resist signal interference, has a low noise value, and at the same time strengthens the impact resistance.

[0023] Please refer to Figure 3 , a flame retardant component 3 for flame retardancy is arranged on the inner surface of the rubber waterproof layer 206, and the flame retardant component 3 includes an aluminum foil inner tape 301, a polyvinyl chloride flame retardant layer 302, a tinned copper wound inner shield 303, a silicone rubber protective layer 304 and a PVC inner tape 305, the aluminum foil inner tape 301 is arranged on the inner surface of the rubber waterproof layer 206, and the inner surface of the aluminum foil inner tape 301 is connected with the polyvinyl chloride flame retardant layer 302, the inner surface of the polyvinyl chloride flame retardant layer 302 is arranged with a tinned copper wound inner shield 303, and the inner surface of the tinned copper wound inner shield 303 is connected with the silicone rubber protective layer 304, and the inner surface of the silicone rubber protective layer 304 is arranged with a PVC inner tape 305;

[0024] The specific operation is as follows: when in use, the aluminum foil inner tape 301 has good moisture-proof performance, the polyvinyl chloride flame retardant layer 302 can effectively play a flame retardant role, the tinned copper wrapped inner shield 303 can further play an anti-interference role, and the double-layer shielding further improves the impact resistance. The silicone rubber protective layer 304 can further improve the flame retardant effect. The PVC material not only has strong durability, but also has good heat insulation performance, so that the PVC inner tape 305 has strong high temperature resistance.

[0025] Please refer to Figure 2 The inner surface of the PVC inner tape 305 is provided with an inner core layer 4, a polyolefin insulating sleeve 5 is provided inside the inner core layer 4, and two groups of polyolefin insulating sleeves 5 are provided, a copper-aluminum alloy conductor 6 is provided inside the polyolefin insulating sleeve 5, and two groups of copper-aluminum alloy conductors 6 and polyolefin insulating sleeves 5 are provided correspondingly, the inner core layer 4 is a flexible structure, and a filling wire 7 is provided inside the inner core layer 4;

[0026] The specific operation is as follows: when in use, the filling wire 7 is made of Kevlar material, which improves the flexibility of the cable and makes it lower in density, higher in strength and better in toughness. The polyolefin insulating sleeve 5 has good electrical and mechanical properties and better insulation.

[0027] In summary, if Figures 1 to 3 As shown, when the double-layer sheathed wading sensor cable is used, first, the filling line 7 is made of Kevlar material, which improves the flexibility of the cable and makes it lower in density, higher in strength and better in toughness. The polyolefin insulating sheath 5 has good electrical and mechanical properties and better insulation. During the use of the device, the polyurethane material has excellent stability, chemical resistance, resilience and mechanical properties, so that the polyurethane outer sheath 1 has smaller compression deformation. Polyolefin has excellent impact strength. The carbon fiber filling layer 205 can further improve the tear resistance of the polyolefin inner sheath 204. The combined effect of the polyurethane outer sheath 1 and the polyolefin inner sheath 204 makes the cable more compressive. The PET material has good moisture resistance, making the P The ET outer tape 202 can keep the interior dry, the elastic support sleeve 201 is an elastic hard structure, which improves the overall protection. The rubber waterproof layer 206 can prevent water from entering the interior. The tinned copper wrapped outer shield 203 can effectively resist signal interference and has a low noise value. At the same time, the impact resistance is strengthened, and the aluminum foil inner tape 301 has good moisture-proof performance. The polyvinyl chloride flame retardant layer 302 can effectively play a flame retardant role. The tinned copper wrapped inner shield 303 can further play an anti-interference role, and the impact resistance is further improved through double-layer shielding. The silicone rubber protective layer 304 can further improve the flame retardant effect. The PVC material not only has strong durability, but also has good thermal insulation performance, so that the PVC inner tape 305 has strong high temperature resistance.

[0028] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A double-layer sheathed water sensor cable, comprising a polyurethane outer sheath (1) and a protective component (2), characterized in that: The protective component (2) is arranged on the surface of the polyurethane outer sheath (1), and the protective component (2) comprises an elastic support sleeve (201), a PET outer wrapping tape (202), a tinned copper wrapped outer shield (203), a polyolefin inner sheath (204), a carbon fiber filament filling layer (205) and a rubber waterproof layer (206); the elastic support sleeve (201) is arranged on the inner surface of the polyurethane outer sheath (1), and the inner surface of the elastic support sleeve (201) is connected to the PET outer wrapping tape (202); the inner surface of the PET outer wrapping tape (202) is provided with a tinned copper wrapped outer shield (203), and the inner surface of the tinned copper wrapped outer shield (203) is connected to the polyolefin inner sheath (204); the polyolefin inner sheath (204) is filled with a carbon fiber filament filling layer (205), and the inner surface of the polyolefin inner sheath (204) is provided with a rubber waterproof layer (206).

2. A double-layer sheathed wading sensor cable according to claim 1, characterized in that: The inner surface of the rubber waterproof layer (206) is provided with a flame retardant component (3) for flame retardancy, and the flame retardant component (3) comprises an aluminum foil inner wrapping tape (301), a polyvinyl chloride flame retardant layer (302), a tinned copper wound inner shield (303), a silicone rubber protective layer (304) and a PVC inner wrapping tape (305).

3. A double-layer sheathed wading sensor cable according to claim 2, characterized in that: The aluminum foil inner wrapping tape (301) is arranged on the inner surface of the rubber waterproof layer (206), and the inner surface of the aluminum foil inner wrapping tape (301) is connected to a polyvinyl chloride flame retardant layer (302).

4. A double-layer sheathed wading sensor cable according to claim 3, characterized in that: The inner surface of the polyvinyl chloride flame retardant layer (302) is provided with a tinned copper wrapped inner shield (303), and the inner surface of the tinned copper wrapped inner shield (303) is connected to a silicone rubber protective layer (304).

5. A double-layer sheathed wading sensor cable according to claim 4, characterized in that: The inner surface of the silicone rubber protective layer (304) is provided with a PVC inner wrapping tape (305), and the inner surface of the PVC inner wrapping tape (305) is provided with an inner wire core layer (4).

6. A double-layer sheathed wading sensor cable according to claim 5, characterized in that: A polyolefin insulation sleeve (5) is arranged inside the inner wire core layer (4), and two groups of polyolefin insulation sleeves (5) are arranged.

7. A double-layer sheathed wading sensor cable according to claim 6, characterized in that: A copper-aluminum alloy conductor (6) is arranged inside the polyolefin insulation sleeve (5), and two groups of the copper-aluminum alloy conductor (6) and the polyolefin insulation sleeve (5) are arranged correspondingly.

8. The double-sheathed water sensor cable according to claim 5, characterized in that: The inner wire core layer (4) is a flexible structure, and a filling wire (7) is arranged inside the inner wire core layer (4).

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