Fixed laying liquid-cooled cable

Abstract

The utility model relates to a fixedly laid liquid-cooled cable, which comprises an insulating protective shell, a fastener is arranged in the insulating protective shell, the fastener is used for installing a conductor, an accommodating cavity is arranged between the insulating protective shell and the fastener, and the accommodating cavity is used for filling cooling liquid or cooling gas. A plurality of supporting pieces are arranged between the insulating protective shell and the buckling piece, and the supporting pieces are installed on the insulating protective shell or the buckling piece; the beneficial effects of the utility model lie in that only one conductor needs to be manufactured, the working procedures of insulation, cabling, sheathing, armoring and the like are omitted, the manufacturing process is simple, cooling liquid or cooling air is injected into the accommodating cavity, the cooling liquid or the cooling space can enter the space between the upper shell and the lower shell and contact with the conductor, multiple layers of materials are not needed, and the cost is low. And rapid transfer and effective dissipation of heat are realized.

Description

Technical Field

[0001] The utility model belongs to the field of cable manufacturing, and more specifically, relates to a fixed laying liquid-cooled cable. Background Art

[0002] A liquid-cooled cable is a cable product that reduces the operating temperature of the cable and improves the cable's transmission capacity and stability by circulating coolant inside. It is usually designed for scenarios with long-term and high-power operations, such as data centers, large industrial equipment, supercomputers, etc.

[0003] Currently, copper is the most suitable product for large-scale power transmission. While wire and cable efficiently transmit electrical energy, they generate a large amount of heat. As the transmission power increases, the heat dissipated by the copper conductor itself also significantly increases. If this part of the heat is not promptly and effectively removed, it will directly threaten the insulation layer and protective layer outside the copper conductor, and may then lead to serious consequences such as short circuits and damage, affecting the safe and stable operation of the entire power system.

[0004] In order to quickly transfer the heat released when the copper conductor transmits electrical energy, various liquid-cooled cables have been invented on the market, which can be roughly divided into three categories: The first category: filling liquid or gas between the copper conductor and the insulation layer to transfer the heat released by the copper material; the second category: filling liquid or gas between the insulation layer and the sheath layer to transfer the heat released by the copper material; the third category: placing the entire wire and cable in liquid or gas to accelerate the heat transfer of the copper conductor. The disadvantages are as follows: The first category: The manufacturing process is complex, the insulation outer diameter is increased, the requirements for the pressure resistance and anti-corrosion of the insulation material are relatively high, and the space between the insulation layer and the copper conductor is narrow. The second category: The heat transfer efficiency is low, the manufacturing difficulty and production process are increased, the bending radius is small, and it cannot be laid in a narrow space. The third category: It cannot effectively transfer heat, and the heat needs to be transferred layer by layer through the insulation layer and the sheath layer, and cannot effectively reduce the temperature of the copper conductor. Summary of the Utility Model

[0005] In order to improve the above problems, the utility model provides a fixed laying liquid-cooled cable, and the specific technical solution is as follows:

[0006] A fixed laying liquid-cooled cable includes an insulating protective shell. A clamping member is arranged inside the insulating protective shell, and the clamping member is used for installing a conductor. There is a receiving cavity between the insulating protective shell and the clamping member, and the receiving cavity is used for filling cooling liquid or cooling gas. A number of support members are arranged between the insulating protective shell and the clamping member. Preferably, the support members are telescopic support members, and the support members are installed on the insulating protective shell or the clamping member.

[0007] By using a buckle member, a conductor can be installed, and the buckle member can be installed in an insulating protective housing by using a support member. A cooling liquid or cooling air is filled in the accommodating cavity, so that cooling of the conductor can be achieved. In addition, by using a telescopic support member, insulating protective housings with different inner diameters can be adapted to.

[0008] In a specific feasible embodiment, the telescopic support member includes a support bar, a receiving groove is provided on the support bar, a telescopic bar is slidably arranged in the receiving groove, and a support spring is arranged under the telescopic bar in the receiving groove. The support spring pushes the telescopic bar out of the receiving groove.

[0009] The support spring is used to push the telescopic bar to extend and always support on the inner side wall of the insulating protective housing, so that insulating protective housings with different inner diameters can be adapted to, and the frequency of changing the telescopic support member can be reduced. When the conductor needs to be replaced, the insulating protective housing does not need to be replaced, and the support member can be directly pulled out of the insulating protective housing for replacement. The laying is simple, and the core can be replaced according to subsequent use scenarios, saving the cost of replacing the cable.

[0010] In a specific feasible embodiment, the support member is installed on the buckle member. Specifically, the support member can be integrally formed with the buckle member or can be detachably connected by means of bolts or the like. When two or more conductors need to be installed, the corresponding number of buckle members is required at this time. At this time, the adjacent buckle members are connected by the support member. The conductors are spaced apart at equal intervals by the support member, so that the heat transfer between them can be prevented from being affected.

[0011] In a specific feasible embodiment, a ball is movably arranged at the head end of the telescopic bar.

[0012] During laying, by using the ball to roll on the inner side wall of the insulating protective housing, the friction can be reduced, so that it is convenient to install the conductor and long-distance pipe threading can also be achieved.

[0013] The buckle member is composed of an upper housing and a lower housing. The two sides of the upper housing and the lower housing are movably connected, and one side or both sides of the upper housing and the lower housing are connected by a buckle. One side or both sides of the upper housing and the lower housing are connected by clamping.

[0014] When installing the conductor, the conductor is placed between the upper housing and the lower housing, and one side is connected by a buckle and the other side is connected by clamping, so that the fixed installation of the conductor can be realized. Moreover, due to the detachable connection between the upper housing and the lower housing, there is a gap between the two, and the liquid can enter between the upper housing and the lower housing, and the conductor is immersed in the liquid, which can improve the heat transfer efficiency.

[0015] A telescopic groove is provided on the side of the upper housing. The inner side of the telescopic groove is serrated. A clamping strip is provided on the side of the lower housing. The surface of the clamping strip is serrated. The telescopic groove corresponds to the clamping strip in position. The clamping strip is inserted into the telescopic groove and is clamped and connected through the engagement of the serrations.

[0016] Insert the serrated clamping strip into the telescopic groove, and the upper housing and the lower housing can be clamped through the engagement of the serrations. Moreover, the depth of insertion of the clamping strip into the telescopic groove determines the size of the entire buckle, and it can be applied to conductors with different diameters.

[0017] In order to prevent the front and rear movement of the docking parts of the upper housing and the lower housing from being not easy to align and position during buckling, so at the connection of the upper housing and the lower housing, several positioning strips are provided on the upper housing, and several positioning grooves are provided on the lower housing. The positioning strips correspond to the positioning grooves, and the positioning strips are inserted into the positioning grooves. By inserting the positioning strips into the positioning grooves, the dislocation between the upper housing and the lower housing can be avoided.

[0018] The beneficial technical effects of the present utility model are as follows:

[0019] 1. Compared with the existing fixed laying cables, the structure of the present utility model is simple and cost-saving. When manufacturing the cable, only one conductor needs to be manufactured, and processes such as insulation, stranding, sheathing, and armoring are omitted. The manufacturing process is simple, and the problem of the narrow space between the insulation layer and the copper conductor is also avoided. Moreover, this liquid-cooled cable only has a conductor, a clamping member, and a support member, omitting the insulation, so it has no influence on the bending degree of the conductor and can be used arbitrarily;

[0020] 2. Since the support member can be directly inserted into the insulation protection shell and the use of the ball bearings can reduce the friction when the wire core passes through the pipe and increase the distance of the wire core passing through the pipe, the laying is not only simple, but also the number of cable cores can be replaced according to the subsequent use scenario, saving the cost of replacing the cable;

[0021] 3. By using a fixed conductor, by injecting a cooling liquid or cooling air into the accommodating cavity, the cooling liquid or cooling air can enter between the upper housing and the lower housing and contact the conductor, without passing through multiple layers of materials, realizing the rapid transfer and effective dissipation of heat, so that the conductor can be effectively cooled, and different currents can also be transmitted according to the flow rates of the gas and liquid in the protection shell;

[0022] 4. Since the support member is a telescopic support member, it has no influence on the wire core with a bending degree and can be used arbitrarily. Description of the Drawings

[0023] Figure 1 It is a schematic structural diagram of a fixed laying liquid-cooled cable according to an embodiment of the present utility model.

[0024] Figure 2 It is a cross-sectional view of an insulating protective shell, a buckle member, and a telescopic support member.

[0025] Figure 3 It is Figure 2 An enlarged view of part A in

[0026] Figure 4 It is Figure 2 An enlarged view of part B in

[0027] Explanation of reference numerals: 1, insulating protective shell; 2, buckle member; 3, telescopic support member; 4, accommodation cavity; 6, telescopic groove; 8, buckle; 9, clamping strip; 11, positioning strip; 12, positioning groove; 13, support strip; 14, accommodation groove; 15, telescopic strip; 16, support spring; 17, ball; 18, upper housing; 19, lower housing. Detailed implementation manners

[0028] The following further elaborates on the present utility model in conjunction with the attached Figures 1-4 drawings.

[0029] Referring to Figure 1 , a fixed laying liquid-cooled cable includes an insulating protective shell 1, a buckle member 2, and several support members. There are three support members, and the support members are evenly distributed along the circumference of the insulating protective shell 1. The buckle member 2 is located inside the insulating protective shell 1. The buckle member 2 is used to install a conductor, and the conductor can select to pass a single-core wire, a two-core wire, or a three-core wire, etc. according to different usage scenarios. There is an accommodation cavity 4 between the buckle member 2 and the insulating protective shell 1. The accommodation cavity 4 is used to fill a cooling liquid or a cooling gas. The liquid is an insulating liquid. The support member is installed on the buckle member 2, and the support member is specifically a telescopic support member 3.

[0030] Both ends of the cable are provided with a circulation system. The circulation system is connected to a pump through a pipeline. The pump transports the cooling liquid or the cooling gas to the cable. By using sensors and a control system, the temperature and flow rate of the liquid or gas are monitored, so that the flow rate of the liquid or gas can be adjusted according to the magnitude of the transmitted current, and heat transfer can be achieved in this way.

[0031] Referring to Figure 2 and Figure 3 , specifically, the buckle member 2 is composed of an upper housing 18 and a lower housing 19. The two sides of the upper housing 18 and the lower housing 19 are movably connected, and one side of the upper housing 18 and the lower housing 19 is connected by a buckle 8. The other side of the upper housing 18 and the lower housing 19 is connected by clamping.

[0032] In this embodiment, there is one buckle member 2. In other embodiments, there can be two, three, etc. for the buckle member 2. Two or three buckle members 2 are evenly distributed in the insulating protective shell 1, and adjacent two buckle members 2 are connected by a support member.

[0033] In other embodiments, both sides of the upper housing 18 and the lower housing 19 can be connected by buckles 8; or both sides of the upper housing 18 and the lower housing 19 can be connected by snap connection.

[0034] Referring to Figure 4 , further, a telescopic groove 6 is provided on the side of the upper housing 1. The telescopic groove 6 is located on the side away from the buckle 8. The inner side of the telescopic groove 6 is serrated. Specifically, serrations are provided at the notch of the telescopic groove 6. A clamping strip 9 is provided on the side of the lower housing 19. The surface of the clamping strip 9 is serrated. Specifically, a plurality of serrations are evenly distributed on the surface of the clamping strip 9. The telescopic groove 6 corresponds to the position of the clamping strip 9. The clamping strip 9 is inserted into the telescopic groove 6 and is clamped by the engagement of the serrations.

[0035] Referring to Figure 3 , a positioning strip 11 is provided on the side surface of the upper housing 18. The positioning strip 11 is made of plastic in this embodiment, such as PVC. A positioning groove 12 for inserting the positioning strip 11 is provided on the lower housing 19.

[0036] Referring to Figure 2 , the telescopic support member 3 includes a support strip 13. In this embodiment, the support strip 13 is provided on the upper housing 18 or the lower housing 19. The support strip 13 is integrally formed with or welded to the upper housing 18. In other embodiments, the support strip 13 is detachably connected to the upper housing 18, such as by bolt connection. A receiving groove 14 is recessed at the top end of the support strip 13. A telescopic strip 15 is slidably provided in the receiving groove 14. Inside the receiving groove 14, a support spring 16 is provided under the telescopic strip 15. The support spring 16 pushes the telescopic strip 15 out of the receiving groove 14.

[0037] The head end of the telescopic strip 15 is provided with a U-shaped groove, and a ball 17 is rotatably provided in the U-shaped groove.

[0038] The above are all the preferred embodiments of the present invention, and the protection scope of the present invention is not limited hereby. Therefore, all equivalent changes made according to the structure, shape, and principle of the present invention should be covered within the protection scope of the present invention.

Claims

1. A fixed laying liquid-cooled cable, characterized in that It includes an insulating protective shell (1), a snap member (2) is arranged inside the insulating protective shell (1), the snap member (2) is used for installing a conductor, there is a receiving cavity (4) between the insulating protective shell (1) and the snap member (2), the receiving cavity (4) is used for filling a cooling liquid or a cooling gas, and a plurality of support members are arranged between the insulating protective shell (1) and the snap member (2), and the support members are installed on the insulating protective shell (1) or the snap member (2).

2. The fixed laying liquid-cooled cable according to claim 1, characterized in that: The support member is a telescopic support member (3).

3. The fixed laying liquid-cooled cable according to claim 2, characterized in that: The telescopic support member (3) includes a support bar (13), a receiving groove (14) is arranged on the support bar (13), a telescopic bar (15) is slidably arranged in the receiving groove (14), in the receiving groove (14), a support spring (16) is arranged under the telescopic bar (15), and the support spring (16) pushes the telescopic bar (15) out of the receiving groove (14).

4. The fixed laying liquid-cooled cable according to claim 3, characterized in that: A ball (17) is arranged at the head end of the telescopic bar (15).

5. A fixed laying liquid-cooled cable according to claim 1, characterized in that: A ball (17) is arranged at the head end of the support member.

6. The fixed laying liquid-cooled cable according to claim 1, wherein: The snap member (2) is composed of an upper shell (18) and a lower shell (19), and the two sides of the upper shell (18) and the lower shell (19) are movably connected.

7. The fixed laying liquid-cooled cable according to claim 6, wherein: One side or both sides of the upper shell (18) and the lower shell (19) are connected by a buckle (8).

8. A fixed laying liquid-cooled cable according to claim 6, characterized in that: One side or both sides of the upper shell (18) and the lower shell (19) are connected by snap connection.

9. A fixed laying liquid-cooled cable according to claim 8, characterized in that: A telescopic groove (6) is arranged on the side of the upper shell (18), the inner side of the telescopic groove (6) is serrated, a snap strip (9) is arranged on the side of the lower shell (19), the surface of the snap strip (9) is serrated, the telescopic groove (6) corresponds to the position of the snap strip (9), and the snap strip (9) is inserted into the telescopic groove (6) and the snap connection is realized through the serrated bite.

10. A fixed laying liquid-cooled cable according to claim 6, characterized in that: At the connection of the upper shell (18) and the lower shell (19), a plurality of positioning bars (11) are arranged on the upper shell (18), a plurality of positioning grooves (12) are arranged on the lower shell (19), the positioning bars (11) correspond to the positioning grooves (12), and the positioning bars (11) are inserted into the positioning grooves (12).

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