CN219958624U

CN219958624U - Flexible insulating low-voltage cable

Info

Publication number: CN219958624U
Application number: CN202321300577.5U
Authority: CN
Inventors: 施村东; 徐峰; 吴新华
Original assignee: Nantong Zhibo Electronic Cable Co ltd
Current assignee: Nantong Zhibo Electronic Cable Co ltd
Priority date: 2023-05-26
Filing date: 2023-05-26
Publication date: 2023-11-03
Anticipated expiration: 2033-05-26

Abstract

The utility model discloses a flexible insulation low-voltage cable, which belongs to the field of cables and comprises a cable body, wherein the front end of the cable body is provided with a connecting part, the outer side of the cable body is provided with an outer protective sleeve, the inner side of the cable body and the outer side of the connecting part are provided with inner protective sleeves, a protective area is arranged between the inner protective sleeve and the outer protective sleeve, a protective component is arranged in the protective area, the protective area is internally provided with a protective component, cooling liquid is filled in the protective area, when the temperature of the environment outside the cable is higher, the temperature inside the cable can be reduced by wrapping the cooling liquid, the protective component is made of wear-resistant metal materials by a movable connecting strip and a connecting rod component, so that the cable is efficiently wear-resistant, after the outer protective sleeve is damaged by wear, the cooling liquid flows outwards, the movable connecting strip can be prevented from being subjected to friction electrification, the protection of the cable is enhanced, and the safety of the cable is improved.

Description

Flexible insulating low-voltage cable

Technical Field

The present utility model relates to the field of cables, and more particularly to flexible insulated low voltage cables.

Background

A cable is a conductor coated with an insulating layer, a protective layer, a shielding layer, or the like for transmitting electric power, signal current, signal voltage, or the like. The voltage is divided into a high voltage cable and a low voltage cable. The low-voltage cable line has the characteristics of reliable operation, no standing pole, no occupied area, no sightedness, less influence from the outside and the like, and is widely applied to a low-voltage distribution system.

Chinese patent grant bulletin number: CN217214192U, providing a low-voltage flexible mineral insulated fireproof cable, this patent is provided by providing an inner sheath and an outer sheath, since the ceramic silicone rubber has excellent properties of fire resistance, flame retardance, etc., when a fire disaster occurs, the residue after combustion forms a hard ceramic-like shell, the hard shell is not melted and not dropped in the fire disaster environment, and the cable core is effectively protected, so as to avoid the cable core from being damaged; if the fire is great and leads to ceramic form casing to burn completely, the flame retardant coating exposes out, and the flame retardant coating can withstand high temperature, is difficult for burning out, consequently can form secondary protection to the cable core, prevents short circuit accident to further improve cable power transmission capacity's stability and security.

Above-mentioned cable outside improves the fire behavior of cable through setting up ceramic silicone rubber coating, strengthens the protection to the cable, but the cable after long-time use, and protective sheath and the coating in its outside receive wearing and tearing to damage easily, lead to the cable inner conductor to expose, and then reduce the quality and the life of cable.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems existing in the prior art, the utility model aims to provide a flexible insulating low-voltage cable, which can realize that a protection area is arranged between an outer protection sleeve and an inner protection sleeve of the cable, a protection component is arranged in the protection area, cooling liquid is filled in the protection area, when the temperature of the environment outside the cable is higher, the temperature inside the cable can be reduced by wrapping the protection component with the cooling liquid, the protection component is made of a movable connecting strip and a connecting rod component, the movable connecting strip is made of a wear-resistant metal material, so that the cable is efficient and wear-resistant, after the outer protection sleeve is damaged by wear, the cooling liquid flows outwards, the movable connecting strip can be prevented from being subjected to friction electricity generation, the protection to the cable is enhanced, and the safety of the cable is improved.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a flexible insulation low-voltage cable, includes the cable body, the cable body front end is provided with connecting portion, the cable body outside is provided with outer protective sheath, the cable body is inboard and the connecting portion outside is provided with interior protective sheath, be provided with the protection zone between interior protective sheath and the outer protective sheath, protection zone internally mounted has protection component, the inside packing of protection zone has the coolant liquid, protection component includes a plurality of swing joint strips and connecting rod, the swing joint strip passes through annular array mode and installs in the protective sheath outside, the connecting rod runs through the inside both ends of swing joint strip and with a plurality of swing joint strip swing joint. When the cable body is used, the outer ends of the inner protection sleeves are surrounded by the movable connecting strips, so that the inner protection sleeves are protected, and meanwhile, the movable connecting strips can be arranged to avoid the fact that the cable body is internally pricked with the spike, so that the protection of the cable body is enhanced.

Further, a plurality of swing joint strip all adopts soft metal material, the material adoption water of coolant liquid, during the use, through setting up the swing joint strip of soft metal material preparation can improve the wear resistance of swing joint strip, can strengthen the protection to the cable body, and the coolant liquid adopts water, reduces the cost of manufacture of cable body, simultaneously, the isolated interior protective sheath of coolant liquid and outer protective sheath make the cable body use its inside effectively cooling under high temperature environment.

Further, outer protective sheath includes first wearing layer and high temperature resistant layer, first wearing layer sets up in the high temperature resistant layer outside, and during the use, through setting up first wearing layer in the cable body outside, can improve the wear resistance of cable body, through the setting of high temperature resistant layer, makes the isolated outside high temperature of cable body.

Further, interior protective sheath includes second wearing layer and high-efficient waterproof layer, the second wearing layer sets up in the high-efficient waterproof layer outside, and during the use, second wearing layer contact protection component, the wearing performance of interior protective sheath can be improved in the setting of second wearing layer, avoids protection component to wear out and destroy interior protective sheath surface, improves interior protective sheath's quality, and through the setting of high-efficient waterproof layer, can avoid the coolant liquid to get into interior protective sheath inside.

Further, the high-efficiency waterproof layer comprises a first waterproof layer, a second waterproof layer and a third waterproof layer, wherein the first waterproof layer is arranged on the outer side, the second waterproof layer is arranged on the middle position, the third waterproof layer is arranged on the inner side, and when the waterproof layer is used, the waterproof performance of the high-efficiency waterproof layer can be improved through the arrangement of the plurality of layers of waterproof layers.

Further, the inside a plurality of cable cores that are provided with of interior protective sheath, the cable core outside is provided with first filler, the cable core outside is provided with the insulating layer, the insulating layer inboard is provided with the insulating layer, the inside a plurality of conductors that are provided with of insulating layer, the conductor outside is provided with the second filler, during the use, wraps up the cable core through the setting of insulating layer and insulating layer, improves the security of cable core.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) This scheme can be realized through setting up the guard area between the outer protective sheath of cable and interior protective sheath, set up protection subassembly in the guard area, and pack the coolant liquid in the guard area, when the outer ambient temperature of cable is higher, there is the parcel of coolant liquid can reduce the inside temperature of cable, and protection subassembly is by swing joint strip and connecting rod subassembly, swing joint strip adopts wear-resisting metal material, make the cable high-efficient wear-resisting, after outer protective sheath is destroyed by wearing and tearing, the coolant liquid outflow can avoid the swing joint strip to receive the friction electricity, strengthen the protection to the cable, the security of improvement cable.

(2) The flexible metal material is all adopted to a plurality of swing joint strips, and the material of coolant liquid adopts water, can improve the wear-resisting ability of swing joint strip through setting up the swing joint strip of flexible metal material preparation, can strengthen the protection to the cable body, and the coolant liquid adopts water, reduces the cost of manufacture of cable body, simultaneously, the isolated interior protective sheath of coolant liquid and outer protective sheath make the cable body use its inside effectively cooling under high temperature environment.

(3) The outer protective sleeve comprises a first wear-resistant layer and a high-temperature-resistant layer, the first wear-resistant layer is arranged on the outer side of the high-temperature-resistant layer, the wear-resistant performance of the cable body can be improved by arranging the first wear-resistant layer on the outer side of the cable body, and the cable body is isolated from external high temperature by the arrangement of the high-temperature-resistant layer.

(4) The interior protective sheath includes second wearing layer and high-efficient waterproof layer, and the second wearing layer sets up in the high-efficient waterproof layer outside, and second wearing layer contacts protection component, and the wearing performance of interior protective sheath can be improved in the setting of second wearing layer, avoids protection component to wear and destroy interior protective sheath surface, improves the quality of interior protective sheath, and through the setting of high-efficient waterproof layer, can avoid the coolant liquid to get into inside the protective sheath.

(5) The high-efficient waterproof layer includes first waterproof layer, second waterproof layer and third waterproof layer, and first waterproof layer sets up in the outside, and the second waterproof layer sets up in intermediate position, and the third waterproof layer sets up in the inboard, through the setting of multilayer waterproof layer, can improve the waterproof performance of high-efficient waterproof layer.

Drawings

FIG. 1 is a schematic view of the external structure of a cable body according to the present utility model;

FIG. 2 is a cross-sectional view of the cable body of the present utility model;

FIG. 3 is a cross-sectional view of the high-efficiency waterproof layer of the present utility model.

The reference numerals in the figures illustrate:

1. a cable body; 2. a connection part; 3. an outer protective sleeve; 31. a first wear layer; 32. a high temperature resistant layer; 4. an inner protective sleeve; 41. a second wear layer; 42. an efficient waterproof layer; 421. a first waterproof layer; 422. a second waterproof layer; 423. a third waterproof layer; 5. a protection zone; 6. a cooling liquid; 7. a protection component; 71. a movable connecting strip; 72. a connecting rod; 8. a first filler; 9. a cable core; 91. an insulating layer; 92. a thermal insulation layer; 10. a conductor; 11. and a second filler.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1:

referring to fig. 1-3, the flexible insulation low-voltage cable comprises a cable body 1, a connecting part 2 is arranged at the front end of the cable body 1, an outer protective sleeve 3 is arranged on the outer side of the cable body 1, an inner protective sleeve 4 is arranged on the inner side of the cable body 1 and the outer side of the connecting part 2, a protection area 5 is arranged between the inner protective sleeve 4 and the outer protective sleeve 3, a protection component 7 is mounted in the protection area 5, cooling liquid 6 is filled in the protection area 5, the protection component 7 comprises a plurality of movable connecting strips 71 and connecting rods 72, the movable connecting strips 71 are mounted on the outer side of the inner protective sleeve 4 in an annular array mode, and the connecting rods 72 penetrate through two ends of the inner part of the movable connecting strips 71 and movably connect the movable connecting strips 71. When the cable body 1 is used, the outer ends of the inner protection sleeves 4 are surrounded by the movable connecting strips 71, so that the inner protection sleeves 4 are protected, and meanwhile, the movable connecting strips 71 can prevent the inside of the cable body 1 from being pricked into a spike, so that the protection of the cable body 1 is enhanced.

Referring to fig. 2, the plurality of movable connection strips 71 are made of soft metal materials, the material of the cooling liquid 6 is water, and when the cable is used, the movable connection strips 71 made of the soft metal materials can improve the wear resistance of the movable connection strips 71, so that the protection of the cable body 1 can be enhanced, the cooling liquid 6 is water, the manufacturing cost of the cable body 1 is reduced, and meanwhile, the cooling liquid 6 isolates the inner protection sleeve 4 from the outer protection sleeve 3, so that the cable body 1 can be effectively cooled when being used in a high-temperature environment.

The outer protective sleeve 3 comprises a first wear-resistant layer 31 and a high-temperature-resistant layer 32, wherein the first wear-resistant layer 31 is arranged on the outer side of the high-temperature-resistant layer 32, and when the cable is used, the wear-resistant performance of the cable body 1 can be improved by arranging the first wear-resistant layer 31 on the outer side of the cable body 1, and the cable body 1 is isolated from external high temperature through the arrangement of the high-temperature-resistant layer 32.

The interior protective sheath 4 includes second wearing layer 41 and high-efficient waterproof layer 42, second wearing layer 41 sets up in the high-efficient waterproof layer 42 outside, during the use, second wearing layer 41 contact protection component 7, the wearing and tearing performance of interior protective sheath 4 can be improved in the setting of second wearing layer 41, avoid protection component 7 to wearing and tearing and destroy interior protective sheath 4 surface, improve interior protective sheath 4's quality, and through the setting of high-efficient waterproof layer 42, can avoid coolant liquid 6 to get into inside the interior protective sheath 4, cause the influence to the use of cable body 1.

Referring to fig. 3, the high-efficiency waterproof layer 42 includes a first waterproof layer 421, a second waterproof layer 422 and a third waterproof layer 423, the first waterproof layer 421 is disposed on the outside, the second waterproof layer 422 is disposed on the middle position, and the third waterproof layer 423 is disposed on the inside.

Referring to fig. 2, the inner protective sleeve 4 is internally provided with a plurality of cable cores 9, the outer side of the cable cores 9 is provided with a first filler 8, the outer side of the cable cores 9 is provided with an insulating layer 91, the inner side of the insulating layer 91 is provided with a heat insulating layer 92, the inner side of the heat insulating layer 92 is provided with a plurality of conductors 10, the outer side of the conductors 10 is provided with a second filler 11, and when in use, the cable cores 9 are wrapped through the arrangement of the insulating layer 91 and the heat insulating layer 92, so that the safety of the cable cores 9 is improved, and the temperature inside and outside the cable cores 9 is further isolated.

The working principle of the utility model is as follows: first cable body 1 passes through connecting portion 2 and is connected with equipment, through the protection of the inside protection zone 5 realization to cable body 1 that sets up of cable body 1, strengthen cable body 1's wear resistance, set up protection component 7 in protection zone 5 inside, a plurality of swing joint strip 71 surround including protective sheath 4 outer end, protect interior protective sheath 4, simultaneously, swing joint strip 71's setting, can avoid cable body 1 inside to prick spike, strengthen the protection to cable body 1, can improve swing joint strip 71's wear resistance through setting up the swing joint strip 71 that soft metallic material was made, can strengthen the protection to cable body 1, and coolant liquid 6 adopts water, reduce cable body 1's cost of manufacture, simultaneously, coolant liquid 6 is isolated interior protective sheath 4 and outer protective sheath 3, make cable body 1 use its inside can effectively cool down under high temperature environment.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. Flexible insulation cable, including cable body (1), its characterized in that: the novel cable comprises a cable body (1), wherein the front end of the cable body (1) is provided with a connecting part (2), an outer protective sleeve (3) is arranged on the outer side of the cable body (1), an inner protective sleeve (4) is arranged on the inner side of the cable body (1) and the outer side of the connecting part (2), a protection area (5) is arranged between the inner protective sleeve (4) and the outer protective sleeve (3), a protection component (7) is arranged in the protection area (5), cooling liquid (6) is filled in the protection area (5), the protection component (7) comprises a plurality of movable connecting strips (71) and connecting rods (72), the movable connecting strips (71) are arranged on the outer side of the inner protective sleeve (4) in an annular array mode, and the connecting rods (72) penetrate through the two ends of the movable connecting strips (71) and movably connect the movable connecting strips (71).

2. The flexible insulated low voltage cable according to claim 1, wherein: the movable connecting strips (71) are made of soft metal materials, and the cooling liquid (6) is made of water.

3. The flexible insulated low voltage cable according to claim 1, wherein: the outer protective sleeve (3) comprises a first wear-resistant layer (31) and a high-temperature-resistant layer (32), and the first wear-resistant layer (31) is arranged on the outer side of the high-temperature-resistant layer (32).

4. The flexible insulated low voltage cable according to claim 1, wherein: the inner protective sleeve (4) comprises a second wear-resistant layer (41) and a high-efficiency waterproof layer (42), and the second wear-resistant layer (41) is arranged on the outer side of the high-efficiency waterproof layer (42).

5. The flexible insulated low voltage cable according to claim 4, wherein: the efficient waterproof layer (42) comprises a first waterproof layer (421), a second waterproof layer (422) and a third waterproof layer (423), wherein the first waterproof layer (421) is arranged on the outer side, the second waterproof layer (422) is arranged at the middle position, and the third waterproof layer (423) is arranged on the inner side.

6. The flexible insulated low voltage cable according to claim 1, wherein: the cable is characterized in that a plurality of cable cores (9) are arranged inside the inner protective sleeve (4), first fillers (8) are arranged outside the cable cores (9), an insulating layer (91) is arranged outside the cable cores (9), a heat insulation layer (92) is arranged inside the insulating layer (91), a plurality of conductors (10) are arranged inside the heat insulation layer (92), and second fillers (11) are arranged outside the conductors (10).