A super class a flame retardant power cable

By introducing a support positioning flame-retardant plate and a temperature control tube into the cable, the problems of insufficient cable compressive strength and flame-retardant effect are solved, achieving fire prevention and temperature control under extreme weather conditions, and improving the service life and applicability of the cable.

CN119324089BActive Publication Date: 2025-10-21JIANGSU HENGTONG WIRE & CABLE TECH
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202411556372.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2025-10-21
Estimated Expiration
2044-11-04

AI Technical Summary

Technical Problem

Existing power cables have poor compressive strength, poor flame retardancy, short service life, and are unable to adapt to diverse usage scenarios, especially posing a fire risk in extreme weather conditions.

Method used

The design incorporates a support and positioning flame-retardant plate, a flame-retardant composite sheath for the cable, and a temperature control tube to enhance the cable's flame-retardant protection capabilities. The temperature is also controlled by the temperature control tube, making it suitable for various climatic conditions.

Benefits of technology

It improves the cable's compressive strength and service life, enhances flame retardant protection, prevents fires in extremely cold and hot weather, and is suitable for a variety of application scenarios.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119324089B_ABST
    Figure CN119324089B_ABST
Patent Text Reader

Abstract

The application discloses a kind of super-class A flame-retardant power cable, including super-class A cable main body, the surface of the super-class A cable main body is integrally positioned with cable flame-retardant composite sheath, the inside of the super-class A cable main body is positioned with support positioning flame-retardant plate, and the inside of the super-class A cable main body is positioned with first side aluminum core, main aluminum core and second side aluminum core in the position of support positioning flame-retardant plate inside.The super-class A flame-retardant power cable of the application is provided with support positioning flame-retardant plate, cable flame-retardant composite sheath and temperature control tube, can conveniently better flame-retardant protection support for cable, isolate flame, while increase the compression resistance of cable, suitable for more use scenarios, can also increase the service life of cable, the flame-retardant protection effect is more excellent, can cold and hot control the temperature inside, prevent the case of fire caused by temperature being too high, suitable for high temperature and extremely cold weather in summer and winter.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present invention relates to the field of power cables, in particular to a super Class A flame-retardant power cable. Background Art

[0002] Power cable is a cable used to transmit and distribute electrical energy. The basic structure of power cable consists of four parts: core, insulation layer, shielding layer and protective layer. The core is the conductive part of the power cable, which is used to transmit electrical energy and is the main part of the power cable. With the continuous development of science and technology, people's requirements for the manufacturing process of power cables are getting higher and higher.

[0003] Existing power cables have certain disadvantages when used. First, the existing power cables are relatively soft, have poor pressure resistance, and the flame retardant effect cannot meet the requirements well. They are prone to fire and cannot adapt to more usage scenarios, which is not conducive to people's use. In addition, the existing power cables have relatively single performance and a short service life. They will bring certain tests when used in severe cold weather in winter and hot weather in summer, which has a certain adverse effect on people's use process. For this reason, we propose a super Class A flame retardant power cable. Summary of the Invention

[0004] Technical problems solved: In response to the shortcomings of the existing technology, the present invention provides a super Class A flame-retardant power cable, which is equipped with a supporting and positioning flame-retardant plate, a cable flame-retardant composite sheath and a temperature control tube, which can facilitate and better support the cable for flame-retardant protection, isolate the flame, and at the same time increase the cable's compressive strength. It is suitable for more usage scenarios and can also increase the service life of the cable. The flame-retardant protection effect is more excellent, and the internal temperature can be controlled to prevent fire caused by excessive temperature. It is suitable for high temperatures and extremely cold weather in summer and winter, and can effectively solve the problems in the background technology.

[0005] Technical solution: In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a super Class A flame-retardant power cable, including a super Class A cable body, the surface of the super Class A cable body is integrally positioned with a cable flame-retardant composite sheath, the outside of the super Class A cable body is provided with an anti-slip groove, the interior of the super Class A cable body is positioned with a supporting and positioning flame-retardant plate, and the interior of the super Class A cable body is positioned inside the supporting and positioning flame-retardant plate with a first side aluminum core, a main aluminum core and a second side aluminum core, a core body is positioned in the middle of the main aluminum core, and the interior of the super Class A cable body is positioned with a temperature control tube around the main aluminum core.

[0006] As a preferred technical solution of the present application, a first core groove is opened at the position where the surface of the supporting and positioning flame retardant plate passes through the first side aluminum core, a main core groove is opened at the position where the surface of the supporting and positioning flame retardant plate passes through the main aluminum core, and a second core groove is opened at the position where the surface of the supporting and positioning flame retardant plate passes through the second side aluminum core. Reinforcing ribs are positioned between the supporting and positioning flame retardant plate and the first core groove, the main core groove and the second core groove. Flame retardant filling cotton is filled and positioned between each group of the supporting and positioning flame retardant plates, and protective cotton is positioned on the inner surfaces of the first core groove, the main core groove and the second core groove.

[0007] As a preferred technical solution of the present application, the cable flame retardant composite sheath includes a polyvinyl chloride sleeve, a tinned copper braided sleeve, an insulating sleeve, a mineral fire insulation sleeve and a water blocking sleeve. The mineral fire insulation sleeve is located on the surface of the water blocking sleeve, the insulating sleeve is located on the surface of the mineral fire insulation sleeve, the tinned copper braided sleeve is located on the surface of the insulating sleeve, and the polyvinyl chloride sleeve is located on the surface of the tinned copper braided sleeve.

[0008] As a preferred technical solution of the present application, one end of the temperature control tube is connected to a first water tank, and the other end of the temperature control tube is connected to a second water tank. A filter is positioned in the middle of the second water tank. The surface sealing of the temperature control tube is positioned with a water-proof jacket, and the surface sealing of the water-proof jacket is positioned with a thermal insulation jacket. A heating plate is installed at the bottom of the first water tank, and a condensation plate is installed at the bottom of the second water tank. A first pump body is connected between the first water tank and the temperature control tube, and a second pump body is connected between the second water tank and the temperature control tube.

[0009] As a preferred technical solution of the present application, the super-Class A cable body is heat-sealed and positioned with the supporting and positioning flame-retardant plate, the first side aluminum core, the main aluminum core and the second side aluminum core are clamped in the internal position of the supporting and positioning flame-retardant plate, the surface of the super-Class A cable body is anti-slip positioned by an anti-slip groove, and the main aluminum core and the core body are sealed and positioned.

[0010] As a preferred technical solution of the present application, the supporting and positioning flame retardant plate is drilled and integrated with the first core groove, the main core groove and the second core groove, and is supported by a reinforcing rib frame. The first core groove, the main core groove and the second core groove are sealed and positioned with the protective cotton.

[0011] As a preferred technical solution of the present application, the polyvinyl chloride sleeve, tinned copper braided sleeve, insulating sleeve, mineral fireproof sleeve and water-blocking sleeve are integrally formed by hot pressing.

[0012] As a preferred technical solution of the present application, the temperature control tube, the waterproof jacket and the thermal insulation jacket are sealed and positioned, the water sources inside the first water tank and the second water tank circulate through the first pump body and the second pump body, and the filter is fixed inside the second water tank.

[0013] Beneficial effect: Compared with the prior art, the present invention provides a super-class A flame-retardant power cable with the following beneficial effects: the super-class A flame-retardant power cable is provided with a supporting and positioning flame-retardant plate, a cable flame-retardant composite sheath and a temperature control tube, which can facilitate and better support the cable for flame-retardant protection, isolate the flame, and at the same time increase the cable's compressive strength, and is suitable for more usage scenarios. It can also increase the service life of the cable, has a more excellent flame-retardant protection effect, can control the internal temperature to prevent fire caused by excessive temperature, and is suitable for high temperature and extremely cold weather in summer and winter. The supporting and positioning flame-retardant The combustion plate and the first core groove, the main core groove and the second core groove are drilled and formed as one piece, and supported by a reinforcing rib frame. The first core groove, the main core groove and the second core groove are sealed and fitted with the protective cotton. The polyvinyl chloride sleeve, the tinned copper braided sleeve, the insulating sleeve, the mineral fireproof sleeve and the water-blocking sleeve are formed as one piece by hot pressing. The temperature control tube, the water-proof sleeve and the thermal insulation sleeve are sealed and fitted together. The water sources inside the first water tank and the second water tank circulate through the first pump body and the second pump body. The filter is fixed inside the second water tank. The entire power cable has a simple structure and is easy to operate. The effect of use is better than that of the traditional method. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The figure is a schematic diagram of the overall structure of a super Class A flame-retardant power cable of the present invention.

[0015] Figure 2 This is a structural schematic diagram of the main view of a super Class A flame-retardant power cable of the present invention.

[0016] Figure 3 This is a schematic structural diagram of the connection of the supporting and positioning flame retardant plates in a super Class A flame retardant power cable of the present invention.

[0017] Figure 4 This is a schematic structural diagram of a flame retardant plate supporting and positioning in a super Class A flame retardant power cable of the present invention.

[0018] Figure 5 The present invention is a structural schematic diagram of a flame retardant composite sheath of a super Class A flame retardant power cable.

[0019] Figure 6 This is a schematic structural diagram of a temperature control tube in a super Class A flame-retardant power cable according to the present invention.

[0020] Figure 7 This is a structural schematic diagram of a cross-sectional view of the connection of a temperature control tube in a super Class A flame-retardant power cable of the present invention.

[0021] In the figure: 1. Super Class A cable body; 2. Cable flame retardant composite sheath; 3. Support and positioning flame retardant plate; 4. First side aluminum core; 5. Main aluminum core; 6. Second side aluminum core; 7. Anti-slip groove; 8. First core groove; 9. Core body; 10. Main core groove; 11. Second core groove; 12. Temperature control tube; 13. Flame retardant filling cotton; 14. Reinforcement frame; 15. Protective cotton; 16. Polyvinyl chloride sleeve; 17. Tinned copper braided sleeve; 18. Insulation sleeve; 19. Mineral fireproof sleeve; 20. Water-blocking sleeve; 21. First water tank; 22. Filter; 23. Second water tank; 24. First pump body; 25. Heating plate; 26. Waterproof sheath; 27. Thermal insulation sleeve; 28. Second pump body; 29. ​​Condensation plate. DETAILED DESCRIPTION

[0022] The technical scheme of the present invention will be clearly and completely described below in conjunction with the accompanying drawings and specific embodiments, but it will be understood by those skilled in the art that the following described embodiments are part of embodiments of the present invention, rather than all embodiments, and are only used to illustrate the present invention, and should not be considered as limiting the scope of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative work are within the scope of protection of the present invention. Those who do not specify specific conditions in the embodiments are carried out according to normal conditions or the conditions recommended by the manufacturer. Those whose reagents or instruments are not specified by the manufacturer are conventional products that can be purchased commercially.

[0023] In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate and simplify the description of the present invention. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and therefore should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0025] like Figure 1-7As shown, a super Class A flame retardant power cable comprises a super Class A cable body 1, the surface of the super Class A cable body 1 is integrally positioned with a cable flame retardant composite sheath 2, the outer side of the super Class A cable body 1 is provided with an anti-slip groove 7, the interior of the super Class A cable body 1 is positioned with a supporting and positioning flame retardant plate 3, and the interior of the super Class A cable body 1 is located at the position inside the supporting and positioning flame retardant plate 3. A first side aluminum core 4, a main aluminum core 5 and a second side aluminum core 6 are positioned, and a core body 9 is positioned in the middle of the main aluminum core 5. A temperature control tube 12 is positioned around the main aluminum core 5 inside the super Class A cable body 1. The supporting and positioning flame retardant plate, the cable flame retardant composite sheath and the temperature control tube can facilitate and better support the cable for flame retardant protection, isolate the flame, and increase the cable's compressive strength. It is suitable for more usage scenarios and can also increase the service life of the cable. The flame retardant protection effect is more excellent, and the internal temperature can be controlled to prevent fire caused by excessive temperature. It is suitable for high temperature and extremely cold weather in summer and winter.

[0026] Furthermore, a first core groove 8 is opened at the position where the surface of the supporting and positioning flame retardant plate 3 passes through the first side aluminum core 4, a main core groove 10 is opened at the position where the surface of the supporting and positioning flame retardant plate 3 passes through the main aluminum core 5, and a second core groove 11 is opened at the position where the surface of the supporting and positioning flame retardant plate 3 passes through the second side aluminum core 6. Reinforcing ribs 14 are positioned between the supporting and positioning flame retardant plate 3 and the first core groove 8, the main core groove 10 and the second core groove 11. Flame retardant filling cotton 13 is filled and positioned between each group of supporting and positioning flame retardant plates 3, and protective cotton 15 is positioned on the inner surfaces of the first core groove 8, the main core groove 10 and the second core groove 11.

[0027] Furthermore, the cable flame retardant composite sheath 2 includes a polyvinyl chloride sleeve 16, a tinned copper braided sleeve 17, an insulating sleeve 18, a mineral fire insulation sleeve 19 and a water blocking sleeve 20. The mineral fire insulation sleeve 19 is located on the surface of the water blocking sleeve 20, the insulating sleeve 18 is located on the surface of the mineral fire insulation sleeve 19, the tinned copper braided sleeve 17 is located on the surface of the insulating sleeve 18, and the polyvinyl chloride sleeve 16 is located on the surface of the tinned copper braided sleeve 17.

[0028] Furthermore, one end of the temperature control tube 12 is connected to the first water tank 21, and the other end of the temperature control tube 12 is connected to the second water tank 23. A filter screen 22 is positioned in the middle of the second water tank 23. The surface of the temperature control tube 12 is sealed with a water-proof jacket 26, and the surface of the water-proof jacket 26 is sealed with an insulation jacket 27. A heating plate 25 is installed at the bottom of the first water tank 21, and a condensation plate 29 is installed at the bottom of the second water tank 23. A first pump body 24 is connected between the first water tank 21 and the temperature control tube 12, and a second pump body 28 is connected between the second water tank 23 and the temperature control tube 12.

[0029] Furthermore, the super Class A cable body 1 is heat-sealed and positioned with the supporting and positioning flame-retardant plate 3, the first side aluminum core 4, the main aluminum core 5 and the second side aluminum core 6 are clamped in the internal position of the supporting and positioning flame-retardant plate 3, the surface of the super Class A cable body 1 is anti-slip positioned by the anti-slip groove 7, and the main aluminum core 5 and the core body 9 are sealed and positioned.

[0030] Furthermore, the supporting and positioning flame retardant plate 3 is drilled and processed into an integral piece with the first core groove 8, the main core groove 10 and the second core groove 11, and is supported by the reinforcing rib 14, and the first core groove 8, the main core groove 10 and the second core groove 11 are sealed and positioned with the protective cotton 15.

[0031] Furthermore, the polyvinyl chloride sleeve 16 , the tinned copper braided sleeve 17 , the insulating sleeve 18 , the mineral fireproof sleeve 19 and the water-blocking sleeve 20 are integrally formed by hot pressing.

[0032] Furthermore, the temperature control tube 12, the waterproof jacket 26 and the thermal insulation jacket 27 are sealed and positioned, the water source inside the first water tank 21 and the second water tank 23 circulates through the first pump body 24 and the second pump body 28, and the filter screen 22 is fixed inside the second water tank 23.

[0033] Working principle: The present invention includes a super-class A cable body 1, a cable flame retardant composite sheath 2, a supporting and positioning flame retardant plate 3, a first side aluminum core 4, a main aluminum core 5, a second side aluminum core 6, an anti-slip groove 7, a first core groove 8, a core body 9, a main core groove 10, a second core groove 11, a temperature control tube 12, flame retardant filling cotton 13, a reinforcing rib frame 14, protective cotton 15, a polyvinyl chloride sleeve 16, a tinned copper braided sleeve 17, an insulating sleeve 18, a mineral fireproof sleeve 19, a water-blocking sleeve 20, a first water tank 21, a filter screen 22, a second water tank 23, a first pump body 24, a heating plate 25, a water-blocking sleeve 26, a thermal insulation sleeve 27, a second pump body 28, and a condensing plate 29. The supporting and positioning flame retardant plate 3 is integrally formed with the first core groove 8, the main core groove 10, and the second core groove 11 by drilling and processing, and is supported by the reinforcing rib frame 14. The first core groove 8, the main core groove 10, the second core groove 11 and the protective cotton 15 The first and second water tanks 21 and 23 are sealed and fitted together, and the PVC sleeve 16, tinned copper braided sleeve 17, insulating sleeve 18, mineral fireproof sleeve 19 and water-blocking sleeve 20 are integrally formed by hot pressing. The temperature control tube 12, water-blocking sleeve 26 and thermal insulation sleeve 27 are sealed and fitted together. The internal water sources of the first water tank 21 and the second water tank 23 circulate through the first pump body 24 and the second pump body 28. The filter screen 22 is fixed inside the second water tank 23. A supporting and positioning flame-retardant plate, a cable flame-retardant composite sheath and a temperature control tube are provided, which can facilitate and better flame-retardant protection support for the cable, isolate the flame, and increase the pressure resistance of the cable. It is suitable for more usage scenarios and can also increase the service life of the cable. The flame-retardant protection effect is more excellent, and the internal temperature can be controlled to prevent fire caused by excessive temperature. It is suitable for high temperature and extremely cold weather in summer and winter.

[0034] It should be noted that, in this article, relational terms such as first and second (number one, number two), etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also other elements that are not explicitly listed, or also includes elements that are inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "including a..." do not exclude the presence of other identical elements in the process, method, article or device that includes the elements.

[0035] The basic principles, main features and advantages of the present invention are shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and modifications fall within the scope of the invention as claimed.

Claims

1. A super class A flame retardant power cable, comprising a super class A cable body (1), characterized in that: The surface of the super-class A cable body (1) is integrally positioned with a cable flame-retardant composite sheath (2), the outer side of the super-class A cable body (1) is provided with an anti-slip groove (7), the interior of the super-class A cable body (1) is positioned with a supporting and positioning flame-retardant plate (3), and the interior of the super-class A cable body (1) is positioned at a position inside the supporting and positioning flame-retardant plate (3) with a first side aluminum core (4), a main aluminum core (5) and a second side aluminum core (6), the middle of the main aluminum core (5) is positioned with a core body (9), and the interior of the super-class A cable body (1) is positioned with a temperature control tube (12) around the main aluminum core (5); A first core groove (8) is provided on the surface of the supporting and positioning flame retardant plate (3) at a position where the first side aluminum core (4) is penetrated, a main core groove (10) is provided on the surface of the supporting and positioning flame retardant plate (3) at a position where the main aluminum core (5) is penetrated, and a second core groove (11) is provided on the surface of the supporting and positioning flame retardant plate (3) at a position where the second side aluminum core (6) is penetrated, and reinforcing ribs (14) are positioned between the supporting and positioning flame retardant plate (3) and the first core groove (8), the main core groove (10) and the second core groove (11), and flame retardant filling cotton (13) is filled and positioned between each group of the supporting and positioning flame retardant plates (3), and protective cotton (15) is positioned on the inner surfaces of the first core groove (8), the main core groove (10) and the second core groove (11); One end of the temperature control tube (12) is connected to a first water tank (21), and the other end of the temperature control tube (12) is connected to a second water tank (23). A filter screen (22) is positioned in the middle of the second water tank (23). The surface of the temperature control tube (12) is sealed with a water-proof jacket (26), and the surface of the water-proof jacket (26) is sealed with a heat-insulating jacket (27). A heating plate (25) is installed at the bottom of the first water tank (21), and a condensation plate (29) is installed at the bottom of the second water tank (23). A first pump body (24) is connected between the first water tank (21) and the temperature control tube (12), and a second pump body (28) is connected between the second water tank (23) and the temperature control tube (12).

2. The super class A flame retardant power cable according to claim 1, characterized in that: The cable flame-retardant composite sheath (2) comprises a polyvinyl chloride sleeve (16), a tinned copper braided sleeve (17), an insulating sleeve (18), a mineral fire-isolating sleeve (19) and a water-blocking sleeve (20), wherein the mineral fire-isolating sleeve (19) is located on the surface of the water-blocking sleeve (20), the insulating sleeve (18) is located on the surface of the mineral fire-isolating sleeve (19), the tinned copper braided sleeve (17) is located on the surface of the insulating sleeve (18), and the polyvinyl chloride sleeve (16) is located on the surface of the tinned copper braided sleeve (17).

3. The super class A flame retardant power cable according to claim 2, characterized in that: The super-class A cable body (1) is heat-sealed and positioned with the supporting and positioning flame-retardant plate (3); the first side aluminum core (4), the main aluminum core (5) and the second side aluminum core (6) are engaged with the inner position of the supporting and positioning flame-retardant plate (3); the surface of the super-class A cable body (1) is anti-slip positioned by the anti-slip groove (7); and the main aluminum core (5) and the core body (9) are sealed and positioned.

4. The super class A flame retardant power cable according to claim 3, characterized in that: The supporting and positioning flame retardant plate (3) is integrally formed by drilling holes between the first core groove (8), the main core groove (10) and the second core groove (11), and is supported by a reinforcing rib frame (14). The first core groove (8), the main core groove (10) and the second core groove (11) are sealed and positioned with the protective cotton (15).

5. The super class A flame retardant power cable according to claim 4, characterized in that: The polyvinyl chloride sleeve (16), the tinned copper braided sleeve (17), the insulating sleeve (18), the mineral fireproof sleeve (19) and the water-blocking sleeve (20) are integrally formed by hot pressing.

6. The super class A flame retardant power cable according to claim 5, characterized in that: The temperature control tube (12), the waterproof jacket (26) and the thermal insulation jacket (27) are sealed and positioned, the water sources inside the first water tank (21) and the second water tank (23) circulate through the first pump body (24) and the second pump body (28), and the filter screen (22) is engaged and fixed inside the second water tank (23).

Citation Information

Patent Citations

  • Double-layer co-extrusion insulation irradiation crosslinking high-performance halogen-free low-smoke flame-retardant cable

    CN115331873A

  • Flame-retardant fireproof power cable for rail transit

    CN117059319A