High-temperature-resistant waterproof cable

By using technical means such as flame-retardant sheaths, wrapping fireproof layers, interlayers, steel wire armors, water-proof layers and insulation layers in cables, the problems of cables easily causing fires and insufficient waterproof performance in high-temperature environments are solved. Efficient high temperature resistance and waterproof performance are achieved.

CN222380320UActive Publication Date: 2025-01-21ZHONGSHAN YONGRUI WIRE CO LTD
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Patent Information

Application Number
CN202323618142.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-29
Publication Date
2025-01-21
Estimated Expiration
2033-12-29

AI Technical Summary

Technical Problem

Existing cables are prone to fire risk in high temperature environments and are difficult to ensure waterproof performance.

Method used

A high-temperature resistant waterproof cable is designed, which uses a combination of flame-retardant sheath and wrapping fire-proof layer. There is an interlayer and steel wire armor between the outer layer and the base layer. The conductor sleeve is equipped with a water-proof layer and a shielding layer. An insulating layer and a semiconductor electrical layer are provided on the outside.

Benefits of technology

Through the combination of flame-retardant sheath and fire-proof layer, the high-temperature resistance and fire safety of the cable are significantly improved. The interlayer and steel wire armor ensure structural stability and service life. The water-proof layer and insulation layer ensure waterproofing and insulation. performance.

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Abstract

The utility model discloses a high-temperature-resistant waterproof cable, which comprises a flame-retardant sheath, a wrapping fireproof layer is fixed on the inner side of the flame-retardant sheath, an outer layer is fixed on the inner side of the wrapping fireproof layer, a bed layer is arranged on the inner side of the outer layer, an interlayer is arranged between the outer layer and the bed layer, steel wire armors are arranged in the interlayer, and the steel wire armors are arranged in the interlayer. The inner side of the internal semiconductor electric layer is provided with a conductive core. The flame-retardant cable is provided with the flame-retardant sheath, the flame-retardant sheath wraps the outermost layer of the cable, the flame-retardant sheath plays a role in flame retardance, and materials in the flame-retardant sheath do not contain halogen, so that when a fire disaster occurs, the amount of smoke released by combustion is less, and meanwhile, the flame-retardant cable does not contain any toxic substance, so that the safety in use can be improved, and the service life of the flame-retardant cable is prolonged. The inner side of the flame-retardant sheath is provided with the wrapping fireproof layer, and the wrapping fireproof layer achieves a fireproof function, can isolate open fire, and can guarantee the overall high-temperature-resistant performance of the cable.
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Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a high-temperature resistant waterproof cable. Background Art

[0002] A cable is a cable used to transmit electrical signals or electricity. It is usually composed of multiple insulated conductors and insulating materials. The shape and size of the cable may vary depending on the purpose and requirements. The conductor inside the cable is the main part of the transmitted signal and is usually made of metals such as copper, aluminum, steel or their alloys. The insulating material in the cable is used to isolate the conductor from the external environment and is usually made of rubber, plastic and other materials. The shape and size of the cable can be designed and manufactured according to different application scenarios and requirements.

[0003] In actual use, since cables are used to transmit electrical signals and electricity, long-term transmission will increase the temperature of the cables. When used in some places with excessively high temperatures, the cable temperature will be high, which may easily lead to the risk of fire. Therefore, a high-temperature resistant waterproof cable is proposed to solve the problems mentioned in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a high temperature resistant waterproof cable 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 high-temperature resistant waterproof cable, comprising a flame-retardant sheath, a wrapped fireproof layer is fixed on the inner side of the flame-retardant sheath, an outer layer is fixed on the inner side of the wrapped fireproof layer, a bed layer is arranged on the inner side of the outer layer, an interlayer is arranged between the outer layer and the bed layer, steel wire armor is arranged inside the interlayer, a conductor sleeve is arranged inside the bed layer, a waterproof layer is arranged on the inner side of the conductor sleeve, a shielding layer is arranged on the inner side of the waterproof layer, an external semiconductor layer is arranged on the inner side of the shielding layer, an insulating layer is arranged on the inner side of the external semiconductor layer, an internal semiconductor layer is arranged on the inner side of the insulating layer, and a conductor core is arranged on the inner side of the internal semiconductor layer.

[0006] Preferably, the cross-section of the flame-retardant sheath is larger than the cross-section of the wrapped fireproof layer, and the cross-section of the wrapped fireproof layer is larger than the cross-section of the outer layer.

[0007] Preferably, the steel wire armor is provided in multiple groups, and the multiple groups of steel wire armor are distributed in a ring shape inside the interlayer.

[0008] Preferably, support grooves are fixed on the inner sides of the seat bed layers, and rubber pads are fixed on the inner sides of the support grooves, and a reserved strip is arranged in the middle of the inner side of the seat bed layers.

[0009] Preferably, three groups of the support grooves are provided, and the three groups of the support grooves are distributed in a ring shape on the inner side of the seat bed layer.

[0010] Preferably, the rubber pads are provided in two groups, and the two groups of rubber pads are symmetrically distributed about the center line of the support groove.

[0011] Preferably, three groups of the wire sleeves are provided, and the three groups of the wire sleeves are distributed in a ring shape inside the flame retardant sheath.

[0012] Preferably, three groups of the guide cores are provided, and the three groups of the guide cores are distributed in a ring shape inside the flame retardant sheath.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] (1) A flame retardant sheath is provided, which is wrapped around the outermost layer of the cable. The flame retardant sheath plays a flame retardant role, and the material inside the flame retardant sheath does not contain halogen. In the event of a fire, the amount of smoke released by the combustion is small, and it does not contain any toxic substances, which can improve the safety during use. A wrapped fireproof layer is provided on the inner side of the flame retardant sheath, which plays a fireproof function and can isolate open flames, thereby ensuring the overall high temperature resistance of the cable;

[0015] (2) An outer layer is provided, and an interlayer is provided between the outer layer and the bed layer, and a steel wire armor is provided inside the interlayer. The interlayer plays a limiting role, which can ensure the stability of the steel wire armor during use. At the same time, the steel wire armor can ensure the stability of the internal structure of the flame-retardant sheath. The reserved strips can support the three groups of conductors, which is not easy to break during long-term use, thereby extending the service life of the cable;

[0016] (3) By providing a support groove, and four groups of support grooves are provided, the inner side of each support groove is provided with a rubber pad, and the support groove can be used to separate and support the wire sleeve, thereby ensuring the stability of the wire sleeve on the inner side of the seat bed layer, and making the transmission smoother. A waterproof layer is provided on the inner side of the wire sleeve, which has a waterproof function and can prevent moisture erosion. The insulating layer can further improve the overall insulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of the wire sleeve of the utility model;

[0020] Figure 3 This is a schematic diagram of the three-dimensional structure of the support groove of the utility model;

[0021] Figure 4 It is a schematic diagram of the three-dimensional structure of the wire sleeve of the utility model.

[0022] Description of reference numerals in the figures:

[0023] 1. Flame retardant sheath; 2. Wrapped fireproof layer; 3. Outer layer; 4. Interlayer; 5. Steel wire armor; 6. Bed layer; 7. Support groove; 8. Wire sleeve; 9. Conductor core; 10. Reserved strip; 11. Waterproof layer; 12. Shielding layer; 13. External semiconductor layer; 14. Insulation layer; 15. Internal semiconductor layer; 16. Rubber pad. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example 1: Please refer to Figure 1-4 The utility model provides an embodiment: a high temperature resistant waterproof cable, comprising a flame retardant sheath 1, a wrapped fireproof layer 2 is fixed on the inner side of the flame retardant sheath 1, an outer layer 3 is fixed on the inner side of the wrapped fireproof layer 2, a bed layer 6 is arranged on the inner side of the outer layer 3, an interlayer 4 is arranged between the outer layer 3 and the bed layer 6, a steel wire armor 5 is arranged inside the interlayer 4, a conductor sleeve 8 is arranged inside the bed layer 6, a waterproof layer 11 is arranged on the inner side of the conductor sleeve 8, a shielding layer 12 is arranged on the inner side of the waterproof layer 11, an external semiconductor electric layer 13 is arranged on the inner side of the shielding layer 12, an insulating layer 14 is arranged inside the external semiconductor electric layer 13, an internal semiconductor electric layer 15 is arranged on the inner side of the insulating layer 14, a conductor core 9 is arranged on the inner side of the internal semiconductor electric layer 15, the cross section of the flame retardant sheath 1 is larger than the cross section of the wrapped fireproof layer 2, and the cross section of the wrapped fireproof layer 2 is larger than the cross section of the outer layer 3;

[0026] Specifically, Figure 1As shown, the flame retardant sheath 1 is wrapped around the outermost side of the cable, and the flame retardant sheath 1 plays a flame retardant role. The material inside the flame retardant sheath 1 does not contain halogen. When encountering a fire, the amount of smoke released by the combustion is small, and it does not contain any toxic substances, which can improve the safety during use. The inner side of the flame retardant sheath 1 is provided with a wrapped fireproof layer 2, and the wrapped fireproof layer 2 plays a fireproof function, which can isolate the open flame, thereby ensuring the overall high temperature resistance of the cable;

[0027] Embodiment 2: Multiple groups of steel wire armor 5 are provided, and the multiple groups of steel wire armor 5 are distributed in an annular shape inside the interlayer 4. Support grooves 7 are fixed on the inner side of the bed layer 6, and rubber pads 16 are fixed on the inner side of the support grooves 7. A reserved strip 10 is provided in the middle of the bed layer 6. Three groups of support grooves 7 are provided, and the three groups of support grooves 7 are distributed in an annular shape inside the bed layer 6.

[0028] Specifically, Figure 1 As shown, an interlayer 4 is provided between the outer layer 3 and the bed layer 6, and a steel wire armor 5 is provided inside the interlayer 4. The interlayer 4 plays a limiting role, which can ensure the stability of the steel wire armor 5 during use. At the same time, the steel wire armor 5 can ensure the stability of the internal structure of the flame retardant sheath 1. The reserved strips 10 can support the three groups of conductors, which are not easy to break during long-term use, thereby extending the service life of the cable;

[0029] Embodiment 3: Two groups of rubber pads 16 are provided, and the two groups of rubber pads 16 are symmetrically distributed about the center line of the support groove 7; three groups of wire sleeves 8 are provided, and the three groups of wire sleeves 8 are distributed in an annular manner inside the flame retardant sheath 1; three groups of guide cores 9 are provided, and the three groups of guide cores 9 are distributed in an annular manner inside the flame retardant sheath 1;

[0030] Specifically, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a rubber pad 16 is provided on the inner side of the support groove 7, and the wire sleeve 8 can be separated and supported by the support groove 7, thereby ensuring the stability of the wire sleeve 8 on the inner side of the seat bed layer 6, and making the transmission smoother. A waterproof layer 11 is provided on the inner side of the wire sleeve 8, and the waterproof layer 11 has a waterproof function and can prevent moisture erosion. The overall insulation can be further improved by the insulating layer 14.

[0031] Working principle: When the utility model is in use, an interlayer 4 is arranged between the outer layer 3 and the bed layer 6, and a steel wire armor 5 is arranged inside the interlayer 4. The interlayer 4 plays a role of limiting, which can ensure the stability of the steel wire armor 5 when in use. At the same time, the steel wire armor 5 can ensure the stability of the internal structure of the flame retardant sheath 1. The reserved strips 10 can support the three groups of conductors, the support grooves 7 can separate and support the wire sleeves 8, the waterproof layer 11 plays a waterproof function, which can block the erosion of moisture, and the overall insulation can be further improved by the insulating layer 14. The flame retardant sheath 1 plays a flame retardant role, and the material inside the flame retardant sheath 1 does not contain halogen. In the event of a fire, the amount of smoke released by combustion is small, and the wrapped fireproof layer 2 plays a fireproof function, which can isolate open flames and complete the use of the cable.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A high temperature resistant waterproof cable, comprising a flame retardant sheath (1), characterized in that: A wrapped fireproof layer (2) is fixed on the inner side of the flame-retardant sheath (1), an outer layer (3) is fixed on the inner side of the wrapped fireproof layer (2), a bed layer (6) is arranged on the inner side of the outer layer (3), an interlayer (4) is arranged between the outer layer (3) and the bed layer (6), a steel wire armor (5) is arranged inside the interlayer (4), a wire sleeve (8) is arranged inside the bed layer (6), a waterproof layer (11) is arranged on the inner side of the wire sleeve (8), a shielding layer (12) is arranged on the inner side of the waterproof layer (11), an external semiconductor layer (13) is arranged on the inner side of the shielding layer (12), an insulating layer (14) is arranged on the inner side of the external semiconductor layer (13), an internal semiconductor layer (15) is arranged on the inner side of the insulating layer (14), and a conductor core (9) is arranged on the inner side of the internal semiconductor layer (15).

2. A high temperature resistant waterproof cable according to claim 1, characterized in that: The cross-section of the flame-retardant sheath (1) is larger than the cross-section of the wrapped fireproof layer (2), and the cross-section of the wrapped fireproof layer (2) is larger than the cross-section of the outer layer (3).

3. The high temperature resistant waterproof cable according to claim 1, characterized in that: The steel wire armor (5) is provided with a plurality of groups, and the plurality of groups of steel wire armor (5) are distributed in a ring shape inside the interlayer (4).

4. The high temperature resistant waterproof cable according to claim 1, characterized in that: The inner side of the seat bed layer (6) is fixed with a support groove (7), and the inner side of the support groove (7) is fixed with a rubber pad (16), and a reserved strip (10) is arranged in the middle of the seat bed layer (6).

5. A high temperature resistant waterproof cable according to claim 4, characterized in that: The support grooves (7) are provided in three groups, and the three groups of support grooves (7) are distributed in a ring shape on the inner side of the seat bed layer (6).

6. A high temperature resistant waterproof cable according to claim 4, characterized in that: The rubber pads (16) are provided in two groups, and the two groups of rubber pads (16) are symmetrically distributed about the center line of the support groove (7).

7. The high temperature resistant waterproof cable according to claim 1, characterized in that: The wire sleeves (8) are provided in three groups, and the three groups of wire sleeves (8) are distributed in a ring shape inside the flame retardant sheath (1).

8. The high temperature resistant waterproof cable according to claim 1, characterized in that: The guide cores (9) are provided in three groups, and the three groups of guide cores (9) are distributed in a ring shape inside the flame retardant sheath (1).