CN218996384U

CN218996384U - Liquid cooling flat cable

Info

Publication number: CN218996384U
Application number: CN202320063025.0U
Authority: CN
Inventors: 刘峰; 沈智飞; 李勇军; 熊玺; 蒋东旭; 方海波; 李德鹏
Original assignee: Sunway Co Ltd
Current assignee: Sunway Co Ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-05-09
Anticipated expiration: 2033-01-10

Abstract

The utility model relates to a liquid cooling cable which has a flat structure. The cable comprises an outer sheath, a control cable core, an anode cable core, a ground cable core, a cathode cable core and a signal cable core are sequentially arranged in parallel from left to right in the outer sheath, and a cooling return pipe is arranged outside an insulating layer of the anode cable core and the cathode cable core in parallel and used for cooling liquid circulation. According to the utility model, the weight of the liquid cooling cable is reduced and the bending radius of the cable is increased by adopting a flat structure design and a mode that the cooling liquid is in direct contact with insulation, so that the cable is more convenient to install, lay and use, the heat dissipation capacity of the cable is greatly improved, the service life of the cable is prolonged, and the safety performance of a using system is ensured.

Description

Liquid cooling flat cable

Technical Field

The utility model belongs to the technical field of cables, and particularly relates to a liquid cooling flat cable.

Background

At present, the permeability of new energy automobiles rises year by year, and an infrastructure-charging pile cable serving as an important support is also subjected to new development opportunities, but the charging pile cable can generate a large amount of heat in the use process, and the larger the power is, the more easily the charging pile cable is burnt, so that potential safety hazards are caused. The traditional air cooling technology can not meet the heat dissipation requirement of a charging pile cable with power of hundreds of kilowatts, and aims to solve the problems of current limitation and the like caused by overhigh temperature in the charging process, realize quick charging and become the most reliable solution at present.

However, after the existing liquid cooling cable meets the requirements of large section and high power, the cable is larger in diameter, heavier in weight and poorer in flexibility and bending performance, so that the customer brings inconvenience in the aspects of installation, laying and use of the liquid cooling cable. Therefore, a liquid cooling flat cable is provided for solving the above problems.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a liquid cooling flat cable. The utility model is realized by the following technical scheme:

the utility model provides a flat cable of liquid cooling, includes the oversheath, the inside control cable core, positive pole sinle silk, ground sinle silk, negative pole sinle silk and the signal cable core of being provided with side by side in proper order from left to right of oversheath, the insulating layer outside of positive pole sinle silk and negative pole sinle silk is parallelly connected and is provided with the cooling back flow for the coolant circulation.

After the flat cable of liquid cooling is connected in the electric pile that fills, through adopting flat structural design and coolant liquid and insulating direct contact's mode, reduced the weight of liquid cooling cable, improved the bend radius of cable for the cable is more convenient in the aspect of installation laying and use, and has improved the heat dispersion of cable greatly, has improved the life of cable, has ensured the security performance of operating system.

As one preferable mode of the utility model, the control cable core, the positive electrode wire core, the ground wire core, the negative electrode wire core and the signal cable core all comprise conductors and insulating layers, the conductors are of a fifth type of tinned round copper wires, the twisting mode is normal twisting so as to reduce the deformation degree of the soft conductors, and the insulating layers are ethylene-propylene insulating rubber so as to ensure the flexibility of the cable.

As one preferable aspect of the present utility model, aramid filaments are added to the conductors of the control cable core and the signal cable core, and the aramid filaments are used for enhancing the tensile capacity of the conductors of the control cable core and the signal cable core.

As a preferred aspect of the present utility model, the cooling liquid adopts circulating water cooling, which is environment-friendly and reduces the cost of the cable.

Preferably, the cooling return pipe is wrapped with a buffer belt, and the buffer belt is used for increasing the heat conducting capacity of the cooling return pipe and buffering external impact.

As one preferable aspect of the present utility model, the control cable core is composed of a control wire core and a copper wire shielding layer woven outside the control wire core.

Preferably, the signal cable core is formed by twisting signal cable cores.

As a preferred embodiment of the present utility model, the outer sheath is a polyurethane elastomer sheath.

As one preferable mode of the utility model, the control cable core is positioned at the leftmost end, the signal cable core is positioned at the rightmost end, the ground wire core is positioned in the middle, the positive wire core and the negative wire core are positioned at two sides of the ground wire core and are in symmetrical structures, and all the wire cores are arranged at equal intervals.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, through the design of the flat structure, the round structure of the traditional liquid cooling cable is changed, the defect of heavier weight of the liquid cooling cable is overcome, the flexibility and bending performance of the cable are also improved, and the conductor cooling and heat dissipation are carried out in a mode of contact between cooling liquid and insulation, so that the insulation is protected and is not easy to damage, and the conductor cooling and heat dissipation can be better carried out on the premise of ensuring safety. According to the utility model, the weight of the liquid cooling cable is reduced and the bending radius of the cable is increased by adopting a flat structure design and a mode that the cooling liquid is in direct contact with insulation, so that the cable is more convenient to install, lay and use, the heat dissipation capacity of the cable is greatly improved, the service life of the cable is prolonged, and the safety performance of a using system is ensured.

Drawings

FIG. 1 is a schematic diagram of a liquid cooled flat cable according to the present utility model;

reference numerals: the cable comprises a 1-outer sheath, a 2-control cable core, a 3-positive wire core, a 4-ground wire core, a 5-negative wire core, a 6-signal cable core, a 7-metal shielding layer, an 8-buffer belt, a 9-cooling return pipe, 10-cooling liquid, an 11-insulating layer and 12-conductors.

Detailed Description

As a preferred embodiment of the present utility model, reference is made to fig. 1 of the accompanying drawings:

a liquid cooling flat cable comprises an outer sheath 1, wherein the outer sheath 1 is flat, and is extruded through an extrusion die, and the ratio of the length to the width of the section of the outer sheath is not limited. The inside of oversheath 1 is provided with control cable core 2, positive pole sinle silk 3, ground wire core 4, negative pole sinle silk 5 and signal cable core 6 side by side in proper order from left to right, the insulating layer 11 outside of positive pole sinle silk 3 and negative pole sinle silk 5 is parallelly connected and is provided with cooling back flow 9 for coolant liquid 10 circulation.

The control cable core 2, the positive electrode wire core 3, the ground wire core 4, the negative electrode wire core 5 and the signal cable core 6 all comprise a conductor 12 and an insulating layer 11, the conductor 12 is a fifth tin-plated round copper wire, wherein the positive electrode wire core 3, the ground wire core 4 and the negative electrode wire core 5 adopt a 1+6+12 normal stranding structure, the insulating layer 11 is ethylene-propylene rubber insulation, and the tensile strength is not lower than 10N/mm ² 。

6 strands of 1500 denier aramid filaments are added in the conductors 12 of the control cable core 2 and the signal cable core 6, and the aramid filaments are used for enhancing the tensile capacity of the conductors 12 of the control cable core and the signal cable core.

The cooling liquid 10 is cooled by circulating water and is treated at constant temperature, and the temperature is maintained at 10-20 ℃ best.

The cooling return pipe 9 is externally wrapped with a buffer belt 8, the thickness of the buffer belt 8 is about 0.2mm, the strap lap rate is less than or equal to 15%, and the buffer belt 8 is used for increasing heat conduction and buffering.

The control cable core 2 is composed of a control cable core and a metal shielding layer 7 woven outside the control cable core, wherein the metal shielding layer 7 is formed by weaving 7 tinned copper wires with the thickness of about 0.25mm and 6 strands of aramid fiber wires in a strand manner, the coverage rate of the weaving layer is not less than 80%, and the weaving pitch diameter ratio is between 2 and 5.

The signal cable core 6 is formed by twisting a pair of signal cable cores, and the twisting pitch is not more than 12.

The outer sheath 1 is a polyurethane elastomer sheath, and the strength is not less than 16N/mm ² The tearing strength is not less than 40N/mm.

The control cable core 2 is located at the leftmost end, the signal cable core 6 is located at the rightmost end, the ground wire core 4 is located in the middle, the positive wire core 3 and the negative wire core 5 are located at two sides of the ground wire core 4 and are in symmetrical structures, all wire cores are arranged at equal intervals, and the distance is not smaller than 1.5mm.

The above examples are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the protection scope of the present utility model without departing from the design spirit of the present utility model.

Claims

1. The utility model provides a flat cable of liquid cooling, its characterized in that, includes oversheath (1), oversheath (1) inside is provided with control cable core (2), positive pole sinle silk (3), ground sinle silk (4), negative pole sinle silk (5) and signal cable core (6) side by side in proper order from left to right, the outside parallel of insulating layer (11) of positive pole sinle silk (3) and negative pole sinle silk (5) is provided with cooling back flow (9) for coolant liquid (10) circulation.

2. The liquid cooling flat cable according to claim 1, wherein the control cable core (2), the positive electrode cable core (3), the ground cable core (4), the negative electrode cable core (5) and the signal cable core (6) all comprise conductors (12) and insulating layers (11), the conductors (12) are fifth tin-plated round copper wires, and the insulating layers (11) are ethylene-propylene insulating rubbers.

3. A liquid cooled flat cable according to claim 2, characterized in that aramid filaments are added to the conductors (12) of the control cable core (2) and the signal cable core (6), said aramid filaments being used for enhancing the tensile capacity of the conductors (12) of the control cable core and the signal cable core.

4. The liquid-cooled flat cable according to claim 1, wherein the cooling liquid (10) is cooled by circulating water.

5. A liquid cooled flat cable according to claim 1, characterized in that the cooling return tube (9) is externally wrapped with a buffer band (8), said buffer band (8) being adapted to increase the heat conduction and buffer action.

6. A liquid cooled flat cable according to claim 1, characterized in that the control cable core (2) is formed by a control wire core and a metal shielding layer (7) braided outside the control wire core.

7. A liquid cooled flat cable according to claim 1, wherein the signal cable core (6) is formed by twisted signal cable cores.

8. A liquid cooled flat cable according to claim 1, characterized in that the outer sheath (1) is a polyurethane elastomer sheath.

9. The liquid cooling flat cable according to claim 1, wherein the control cable core (2) is located at the leftmost end, the signal cable core (6) is located at the rightmost end, the ground wire core (4) is located in the middle, the positive wire core (3) and the negative wire core (5) are located at two sides of the ground wire core (4) to form a symmetrical structure, and all wire cores are arranged at equal intervals.