CN219759226U - Hollow water-cooled cable - Google Patents

Abstract

The utility model relates to the technical field of cables, in particular to a hollow water-cooled cable. Including the protective sheath, be provided with heat conduction silica gel cover in the protective sheath with one heart, the circumference equipartition is provided with many wires in the annular cavity between heat conduction silica gel cover and the protective sheath, is provided with spiral spring in the heat conduction silica gel cover with one heart, is provided with a plurality of holding rings along the axial direction equipartition of protective sheath in the annular cavity between heat conduction silica gel cover and the protective sheath, and the wire runs through the hole on the holding ring, and a plurality of recesses have been seted up to holding ring outer fringe circumference equipartition, and the protective sheath inner edge is fixed with a plurality of sand grips that correspond with the recess, and the sand grip is located the recess. Through setting up the heat conduction silica gel cover to make the water that flows in the heat conduction silica gel cover not with wire direct contact, can avoid the insulating layer of wire to go up time and water contact and corroded, improved the life of wire.

Description

Hollow water-cooled cable

Technical Field

The utility model relates to the technical field of cables, in particular to a hollow water-cooled cable.

Background

The existing water-cooled cable comprises a solid water-cooled cable and a hollow water-cooled cable, wherein the solid water-cooled cable can only be used for surface water-through heat dissipation, the heat dissipation effect is poor, most of the hollow water-cooled cable consists of an inner sleeve, a wire and a rubber tube sleeved outside the wire, the inner sleeve is a rubber tube, the water-cooled cable is cooled by water-through of the rubber tube, and once the rubber tube is bent and deformed, water flow is blocked, the heat dissipation effect is affected, and the service performance is affected.

Patent document with the application number of CN201620875238.3 entitled "hollow water-cooled cable", discloses a cable capable of preventing water flow from being blocked and ensuring heat dissipation effect when the cable is bent. Through set up spiral spring in the rubber tube inboard to make wire circumference equipartition set up between spring and rubber tube, thereby utilize the spring to support the inner chamber of rubber tube department of bending when the cable conductor is buckled, guarantee the continuous flow of the intraductal water of rubber, thereby guarantee the radiating effect to the cable. However, when water flows in the rubber tube, the water directly contacts with the insulating layer outside the wire, and when the insulating layer outside the wire is damaged, the leakage phenomenon easily occurs. In this patent, a plurality of pointed protrusions are provided on the outer side of the spring, and when the cable is subjected to a large torsion force, the wire and the spring undergo relative movement in the circumferential direction of the cable, and the pointed protrusions pierce the insulation layer of the wire, thereby causing a short circuit of the wire and causing a safety accident.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide the hollow water-cooled cable capable of ensuring the safety when the cable dissipates heat and improving the heat dissipation efficiency of the cable.

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the hollow water-cooled cable line comprises a protective sleeve, wherein a heat-conducting silica gel sleeve is concentrically arranged in the protective sleeve, a plurality of wires are uniformly distributed in an annular cavity between the heat-conducting silica gel sleeve and the protective sleeve, spiral springs are concentrically arranged in the heat-conducting silica gel sleeve, a plurality of supporting rings are uniformly distributed in the annular cavity between the heat-conducting silica gel sleeve and the protective sleeve along the axial direction of the protective sleeve, the wires penetrate through holes in the supporting rings, a plurality of grooves are uniformly distributed in the circumference of the outer edge of the supporting rings, a plurality of raised strips corresponding to the grooves are fixed on the inner edge of the protective sleeve, and the raised strips are positioned in the grooves.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the support ring is arranged, and the convex strips at the inner edge of the protective sleeve are in plug-in fit with the grooves at the outer edge of the support ring. The wire runs through the hole on the support ring, therefore, the support ring can play the effect of spacing protection to many wires in the protective sheath.

2. Through setting up the heat conduction silica gel cover to make the water that flows in the heat conduction silica gel cover not with wire direct contact, can avoid the insulating layer of wire to go up time and water contact and corroded, improved the life of wire.

3. Through set up the helicla flute in the spring inboard, and then increased the area of contact of spring and water, can improve the cooling effect of this cable conductor.

4. When the cable conductor is buckled, utilize the spring to support the inner chamber of heat conduction silica gel cover department of buckling, guarantee the continuous flow of heat conduction silica gel cover internal water to guarantee the radiating effect to the cable conductor.

Drawings

Fig. 1 is a schematic view of a partial structure of the present utility model.

Fig. 2 is a front view of a partial structure of the present utility model.

Fig. 3 is a cross-sectional view taken along direction a in fig. 2.

Fig. 4 is a cross-sectional view in the direction B of fig. 2.

The names of the parts in the drawings are as follows:

1. protective sleeve

2. Conducting wire

3. Heat conduction silica gel sleeve

4. Spring

5. Spiral groove

6. Support ring

7. A groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, the hollow water-cooled cable comprises a protective sleeve 1, wherein a heat-conducting silica gel sleeve 3 is concentrically arranged in the protective sleeve 1, a plurality of wires 2 are uniformly distributed on the inner circumference of an annular cavity between the heat-conducting silica gel sleeve 3 and the protective sleeve 1, and a spiral spring 4 is concentrically arranged in the heat-conducting silica gel sleeve 3. The outer edge of the spring 4 is contacted with the inner edge of the heat-conducting silica gel sleeve 3. When the cable conductor is buckled, utilize spring 4 to support the inner chamber of the department of buckling of heat conduction silica gel cover 3, guarantee the continuous flow of heat conduction silica gel cover 3 internal water to guarantee the radiating effect to the cable conductor.

The inner edge of the spring 4 is provided with a spiral groove 5. Through set up helical groove 5 in spring 4 inboard, and then increased spring 4 and water's area of contact, can improve the cooling effect of this cable conductor.

A plurality of support rings 6 are uniformly distributed in the annular cavity between the heat conduction silica gel sleeve 3 and the protective sleeve 1 along the axial direction of the protective sleeve 1, and the inner edge of each support ring 6 is in contact with the outer edge of the heat conduction silica gel sleeve 3. The wire 2 passes through a hole in the support ring 6. The support ring 6 outer fringe circumference equipartition has offered a plurality of recesses 7, and protective sheath 1 inner edge is fixed with a plurality of sand grips that correspond with recess 7, the length direction of sand grip is parallel with the axial direction of protective sheath 1, and sand grip and protective sheath 1 are isometric. The convex strips are positioned in the grooves 7. Through setting up support ring 6, and the sand grip of protective sheath 1 inner edge and the recess 7 grafting cooperation of support ring 6 outer fringe, wire 2 runs through the hole on the support ring 6. Therefore, the supporting ring 6 can play a role in limiting and protecting the plurality of wires 2 in the protective sleeve 1, and the supporting ring 6 can enable the plurality of wires 2 to keep the uniformly distributed state of the circumference in the annular cavity between the heat-conducting silica gel sleeve 3 and the protective sleeve 1, so that the heat dissipation effect of the wires 2 during working is guaranteed.

When the wire 2 works, the end part of the heat-conducting silica gel sleeve 3 is connected with the connector, water circularly flows in the heat-conducting silica gel sleeve 3 through the connector, and a part of heat generated in the working process of the wire 2 can be transferred into the water through the heat-conducting silica gel sleeve 3. Meanwhile, the other part of heat generated by the operation of the wire 2 can be transferred into water through the heat-conducting silica gel sleeve 3 and the spring 4. The remaining part of the heat generated by the operation of the wire 2 can be transferred to the outside through the protective sheath 1.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (5)

1. Hollow water-cooled cable line, including protective sheath (1), its characterized in that, be provided with heat conduction silica gel cover (3) in protective sheath (1) with one heart, the circumference equipartition is provided with many wires (2) in the annular cavity between heat conduction silica gel cover (3) and protective sheath (1), be provided with spiral spring (4) in heat conduction silica gel cover (3) with one heart, the axial direction equipartition along protective sheath (1) in the annular cavity between heat conduction silica gel cover (3) and protective sheath (1) is provided with a plurality of supporting rings (6), hole on supporting ring (6) are run through in wire (2), a plurality of recesses (7) have been seted up to supporting ring (6) outer fringe circumference equipartition, protective sheath (1) inner edge is fixed with a plurality of sand grips that correspond with recess (7), the sand grip is located recess (7).

2. Hollow water-cooled cable according to claim 1, characterized in that the inner edge of the support ring (6) is in contact with the outer edge of the thermally conductive silicone sheath (3).

3. The hollow water-cooled cable according to claim 1, characterized in that the inner edge of the spring (4) is provided with a spiral groove (5).

4. The hollow water-cooled cable according to claim 1, wherein the length direction of the protruding strips is parallel to the axial direction of the protective sheath (1), and the protruding strips are equal in length to the protective sheath (1).

5. The hollow water-cooled cable according to claim 1, wherein the outer edge of the spring (4) is in contact with the inner edge of the thermally conductive silicone sheath (3).