Super A-class flame-retardant power cable

Abstract

The invention discloses an ultra-A type flame-retardant power cable which comprises an ultra-A type cable main body, a cable flame-retardant composite sheath is integrally positioned on the surface of the ultra-A type cable main body, and a supporting and positioning flame-retardant plate is positioned in the ultra-A type cable main body. And a first side aluminum core, a main aluminum core and a second side aluminum core are positioned at the positions, located on the inner side of the supporting and positioning flame-retardant plate, in the super-A type cable main body. The super A-class flame-retardant power cable is provided with the supporting and positioning flame-retardant plate, the cable flame-retardant composite sheath and the temperature control pipe, flame-retardant protection supporting can be conveniently and better carried out on the cable, flame is isolated, meanwhile, the anti-pressure capacity of the cable is improved, the cable is suitable for more use scenes, the service life of the cable can be prolonged, and the service life of the cable is prolonged. The flame-retardant protection effect is more excellent, the internal temperature can be controlled, the situation of fire caused by too high temperature is prevented, and the cable is suitable for high-temperature and extremely cold weather in summer and winter.

Description

Technical Field

[0001] The invention relates to the field of power cables, and 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 have higher and higher requirements for the manufacturing process of power cables.

[0003] Existing power cables have certain disadvantages when in use. 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 cause fires 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 brought certain adverse effects on people's use process. For this reason, we propose an ultra-Class A flame retardant power cable. Summary of the invention

[0004] Technical problems solved: In view of the deficiencies in the prior art, the present invention provides an ultra-Class A flame-retardant power cable, which 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 compressive strength 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 temperatures and extremely cold weather in summer and winter, and can effectively solve the problems in the background technology.

[0005] Technical solution: To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a super Class A flame-retardant power cable, comprising 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 outer side 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 fireproof sleeve and a water-blocking sleeve. The mineral fireproof sleeve is located on the surface of the water-blocking sleeve, the insulating sleeve is located on the surface of the mineral fireproof 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 through-connected to a first water tank, and the other end of the temperature control tube is through-connected to a second water tank, a filter is positioned in the middle of the second water tank, a water-proof jacket is positioned on the surface of the temperature control tube for sealing, and a thermal insulation jacket is positioned on the surface of the water-proof jacket for sealing, a heating plate is installed at the bottom of the first water tank, 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 integrally formed by drilling holes between 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 internal water sources of the first water tank and the second water tank circulate through the first pump body and the second pump body, and the filter is engaged and 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, which has 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 increase the cable's compressive strength, which is suitable for more usage scenarios and can also increase the cable's service life. 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, and the supporting and positioning flame-retardant plate can be used to prevent fire caused by excessive temperature. 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, and 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 traditional methods. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 It 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 It is a structural schematic 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 It 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 schematic structural diagram of a flame retardant composite sheath of a super Class A flame retardant power cable.

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

[0020] Figure 7 It is a structural schematic diagram of a cross-sectional view of a temperature control pipe connection 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 rib 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 sheath; 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. If specific conditions are not specified in the embodiments, they are carried out according to normal conditions or conditions recommended by the manufacturer. If the manufacturer is not specified in the reagents or instruments used, they are all 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", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are 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, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] like Figure 1-7As shown, a super-Class A flame-retardant power cable comprises a super-Class A cable body 1, a cable flame-retardant composite sheath 2 is integrally positioned on the surface of the super-Class A cable body 1, an anti-slip groove 7 is opened on the outer side of the super-Class A cable body 1, a supporting and positioning flame-retardant plate 3 is positioned inside the super-Class A cable body 1, and a first side aluminum core 4, a main aluminum core 5 and a second side aluminum core 6 are positioned at a position inside the super-Class A cable body 1 located inside the supporting and positioning flame-retardant plate 3, a core body 9 is positioned in the middle of the main aluminum core 5, and a temperature control tube 12 is positioned around the main aluminum core 5 inside the super-Class A cable body 1, and 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 compressive resistance of the cable, which is suitable for more usage scenarios and can also increase the service life of the cable, with a more excellent flame-retardant protection effect, and 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.

[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 through-connected to the first water tank 21, and the other end of the temperature control tube 12 is through-connected to the second water tank 23. A filter screen 22 is positioned in the middle of the second water tank 23. A water-proof jacket 26 is positioned on the surface of the temperature control tube 12 for sealing, and a heat-insulating jacket 27 is positioned on the surface of the water-proof jacket 26 for sealing. 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 flame retardant plate 3 is supported and positioned to be 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 a reinforcing rib frame 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 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.

[0033] Working principle: The present invention comprises 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 by drilling holes between the first core groove 8, the main core groove 10, and the second core groove 11, 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, 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, the temperature control tube 12, the water-blocking sleeve 26 and the 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 engaged and 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 at the same time increase the pressure resistance of the cable, are suitable for more usage scenarios, can also increase the service life of the cable, have a more excellent flame-retardant protection effect, can control the internal temperature to prevent fire caused by excessive temperature, and are 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 including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0035] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

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 provided 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 provided with a supporting and positioning flame-retardant plate (3); and the interior of the super-class A cable body (1) is provided with a first side aluminum core (4), a main aluminum core (5) and a second side aluminum core (6) located inside the supporting and positioning flame-retardant plate (3); a core body (9) is located in the middle of the main aluminum core (5); and the interior of the super-class A cable body (1) is provided with a temperature control tube (12) located around the main aluminum core (5).

2. The super class A flame retardant power cable according to claim 1, characterized in that: 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, reinforcing rib frames (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 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).

3. 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 fireproof sleeve (19) and a water-blocking sleeve (20), wherein the mineral fireproof 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 fireproof 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).

4. The super class A flame retardant power cable according to claim 1, characterized in that: 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 waterproof jacket (26), and the surface of the waterproof 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).

5. The super class A flame retardant power cable according to claim 1, 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 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 an anti-slip groove (7); and the main aluminum core (5) and the core body (9) are sealed and positioned.

6. The super class A flame retardant power cable according to claim 2, 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, fitted and positioned with the protective cotton (15).

7. The super class A flame retardant power cable according to claim 3, 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.

8. The super class A flame retardant power cable according to claim 4, 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).

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