CN211181744U - Liquid cooling cable - Google Patents

Abstract

The utility model discloses a liquid-cooled cable, which comprises a plurality of conductors, wherein the conductors are all provided with insulating layers, and a hollow filling strip is arranged outside each conductor between two adjacent conductors, and the hollow filling strip is internally used for filling liquid; the plurality of conductors and the hollow filler strips form a circle; many conductors and cavity filler strip have the restrictive coating outward, the restrictive coating in situ has the band layer, the utility model has the advantages of through leading-in liquid in to the cable, along with the circulation flow of liquid, cool down the conductor, under the same conductor cross-section, effectively improve the current-carrying capacity of cable.

Description

Liquid cooling cable

Technical Field

The utility model relates to a liquid-cooled cable belongs to cable manufacturing technical field.

Background

In the use of the cable, the conductor can be caused to generate heat seriously along with the increase of the current passing through the conductor, the cable is adversely affected, and great potential safety hazards exist. In order to solve the problem, the current technology mainly increases the allowable current-carrying capacity of a wire core by increasing the sectional area (square number) of a conductor, and the scheme increases the laying difficulty and the laying space of the cable and also increases the cost. Under the condition that the section area of the wire core is fixed, how to ensure that the temperature of the conductor is not too high while the current-carrying capacity of the conductor is increased becomes a problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can be in liquid cooling cable of filling liquid in cable.

In order to achieve the technical purpose, the technical scheme of the utility model is that: a liquid-cooled cable comprises a plurality of conductors, wherein the conductors are provided with insulating layers, a hollow filling strip is arranged outside each conductor between every two adjacent conductors, and liquid is filled in the hollow filling strip; the plurality of conductors and the hollow filler strips form a circle; and a sheath layer is arranged outside the plurality of conductors and the hollow filling strips.

Preferably, the number of the conductors is three.

Preferably, the sheath layer has a belting layer therein.

Compared with the prior art, the utility model has the advantages of through leading-in liquid in to the cable, along with the circulation flow of liquid, cool down the conductor, under the same conductor cross-section, effectively improve the current-carrying capacity of cable.

Drawings

Fig. 1 is a cross-sectional view of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, a liquid-cooled cable includes 3 conductors 1, each of the conductors 1 has an insulating layer 2, between two adjacent conductors 1, a hollow filler strip 5 is disposed outside the conductor 1, there are 3 hollow filler strips 5 in total, and the hollow filler strips 5 are filled with liquid; the 3 conductors 1 and the 3 hollow filling strips 5 form a circle; the plurality of conductors 1 and the hollow filler strips 5 are externally provided with a sheath layer 4, and the sheath layer 4 is internally provided with a belting layer 3.

By introducing liquid into the cable and along with the circulating flow of the liquid, the conductor is cooled, and the current-carrying capacity of the cable is effectively improved under the condition of the same conductor section.

The utility model relates to a liquid cooling cable, liquid cooling cable cavity leads to water for heavy current heating equipment's special type cable. The liquid cooling cable is connected with the water pump through the metal pipe, and the heat is taken away by utilizing the circulating flow of the cooling liquid in the metal pipe, so that the insulation wire core can be continuously protected, and the insulation wire core can safely operate at high temperature. Such as the cable assembly disclosed in application publication No. CN107545953A, which includes a three-core medium voltage fire resistant cable and a smart water pump. The three-wire core medium-voltage fire-resistant cable is provided with three insulating wire cores, a protective layer and a plurality of metal pipes, wherein the protective layer is covered outside the three insulating wire cores, a first gap is formed between the three insulating wire cores and the protective layer, the plurality of metal pipes are positioned in the first gap, the metal pipes are abutted against the protective layer and at least one insulating wire core, and cooling liquid is filled in the metal pipes; the intelligent water pump has temperature sensor, and many tubular metal resonator connect in the intelligent water pump, and when temperature sensor detected the temperature of coolant liquid and reached the trigger temperature of intelligent water pump, the intelligent water pump was opened. The three-core medium-voltage fire-resistant cable in the cable assembly is connected with the intelligent water pump through the metal pipe, and heat is taken away by utilizing the circulating flow of the cooling liquid in the metal pipe. The utility model discloses the cable also carries out the circulation of cooling water through above-mentioned similar principle, passes through tubular metal resonator and water pump cyclic connection at the cable both ends, and cable (cavity filler strip 5), tubular metal resonator, water pump form circulation pipeline promptly, utilize the circulation flow of coolant liquid in tubular metal resonator, cavity filler strip 5 to take away the cable heat.

The above-mentioned embodiment does not limit the utility model in any way, and all the technical solutions that adopt the mode of equivalent replacement or equivalent transform to obtain all fall within the protection scope of the utility model.

Claims (3)

1. A liquid-cooled cable comprising a plurality of conductors (1), said conductors (1) each having an insulating layer (2) thereon, characterized in that: between two adjacent conductors (1), a hollow filling strip (5) is arranged outside the conductors (1), and liquid is filled in the hollow filling strip (5); the plurality of conductors (1) and the hollow filling strips (5) form a circle; and a sheath layer (4) is arranged outside the conductors (1) and the hollow filling strips (5).

2. A liquid-cooled cable according to claim 1, wherein: the number of the conductors (1) is three.

3. A liquid-cooled cable according to claim 1, wherein: the sheath layer (4) is internally provided with a belting layer (3).

Images