CN214956156U

CN214956156U - Flexible liquid cooling cable

Info

Publication number: CN214956156U
Application number: CN202121527862.1U
Authority: CN
Inventors: 张广泉
Original assignee: Shanghai Embei New Energy Technology Co ltd
Current assignee: Shanghai Embei New Energy Technology Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2021-11-30
Anticipated expiration: 2031-07-06

Abstract

The utility model discloses a flexible liquid cooling cable, including cable main part and the plug end coupling assembly who links to each other with cable main part, a serial communication port, cable main part comprises insulating layer, supporting spring and wire, the inside wire that is used for electrically conductive that is provided with of insulating layer, be equipped with supporting spring between insulating layer and the wire, plug end coupling assembly includes the end, liquid joint and plug terminal, the wire links to each other with plug terminal, the insulating layer is close to plug terminal one side and is provided with the end rather than the inseparable laminating in surface, end internally mounted has the liquid joint that is used for the water conservancy diversion, liquid joint is hollow structure, the end communicates with each other through liquid joint, the utility model discloses a refrigerated mode, improvement current-carrying that can be great reduces earlier outside diameter, reduce cost conveniently arranges the installation.

Description

Flexible liquid cooling cable

Technical Field

The utility model belongs to the technical field of electrical machinery, specifically be a flexible liquid cooling cable.

Background

Along with the improvement of automobile battery technology, people have higher acceptance on electric vehicles, compared with the traditional vehicle, the electric vehicle has the advantages of quick starting, no pollution, energy conservation and the like, but the electric vehicle has long charging time, is not full of more than 10 minutes of oil filled in the traditional vehicle, has long waiting time, is anxious for users, needs to reduce the charging time, and inevitably increases the charging current, but the large current means larger heating, most cables still naturally radiate heat at present, the mode has high requirements on wire diameter, the larger current means larger heat radiation area, the wire diameter is thicker, the heavier the cable weight of the thicker wire diameter is, after the certain weight is exceeded, the charging gun is inconvenient for the users to take up the charging gun, the load of the charging personnel easily exceeds the bearing value of the people, and the charging is necessary and troublesome, therefore, it is not feasible to simply increase the sectional area of the cable to solve the problem of high-current charging heating, so that the liquid cooling mode of the wiring harness is generated, the liquid is directly contacted with the conductor, the heat generated in the conductive process of the conductor is absorbed, and the heat is taken away through the flowing of the liquid. The cable does not need to be made very thick, and the heat is controlled and taken away by adjusting the flow of the liquid, so that the cable is very convenient.

At present, liquid cooling cables are divided into an indirect cooling mode and an immersion cooling mode, a liquid cooling pipe is generally embedded in the indirect cooling cable, a cable conductor is in contact with the liquid cooling pipe, but the cross section area of the cable is greatly increased, meanwhile, because a liquid cooling pipe position plastic pipe has large thermal resistance, low heat exchange efficiency and poor heat dissipation effect, the flow requirement of a system is larger, if water is used as a cooling medium, electric shock risk is caused due to leakage, the immersion cooling cable directly immerses the cable into cooling liquid for cooling, a gap is arranged between a conductor and an insulating layer or between the conductor of the cable, heat is taken away by flowing of the cooling liquid in the gap, and the cooling mode does not clearly show a cable flow channel internal support mode, so that the realization difficulty is high; in addition, in the aspect of power distribution of power plants and power companies, when the power cable bears large current, a method for increasing the cross section of the cable can be adopted to improve current carrying, but the method can increase the cost of the cable, and is very inconvenient in the aspect of installation and wiring.

SUMMERY OF THE UTILITY MODEL

The utility model provides a flexible liquid cooling cable, the utility model discloses a refrigerated mode, improvement current-carrying that can be great reduces earlier outside diameter, reduce cost and the installation of conveniently arranging.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a flexible liquid cooling cable, including cable main part and the plug end coupling assembly who links to each other with cable main part, a serial communication port, cable main part is by the insulating layer, supporting spring and wire constitute, the inside wire that is used for electrically conductive that is provided with of insulating layer, be equipped with supporting spring between insulating layer and the wire, plug end coupling assembly includes the end, liquid joint and plug terminal, the wire links to each other with plug terminal, the insulating layer is close to plug terminal one side and is provided with the end rather than the inseparable laminating in surface, end internally mounted has the liquid joint that is used for the water conservancy diversion, liquid joint is hollow structure, the end communicates with each other through liquid joint.

Furthermore, the insulating layer is divided into an inner insulating layer and an outer insulating layer, a shielding layer is arranged between the inner insulating layer and the outer insulating layer, the outer insulating layer is connected with the end head in a sealing mode, and a flow channel for flowing of cooling liquid is formed among the inner insulating layer, the lead and the supporting spring.

The coolant is one of insulating liquids such as an electron fluoride liquid and silicone oil.

Further, the wire includes positive wire and negative wire, and the plug terminal includes positive plug terminal and negative plug terminal, and positive wire links to each other with positive plug terminal, and the negative wire links to each other with negative plug terminal, and the positive wire all links to each other with binding post with the negative wire other end.

Furthermore, a pipe nut is arranged between the end head and the lead, and the pipe nut is screwed into the end head through threads.

Furthermore, the plug end pipe joint assembly further comprises a pipe joint plastic layer, and the insulating layer, the end head and the plug terminal are installed through the pipe joint plastic layer.

Furthermore, copper joint end pipe joints are installed at the joints of the positive wires and the negative wires and the wiring terminals, hollow joints are installed on the two groups of copper joint end pipe joints, and the hollow joints are connected with the radiator through a water pump.

Furthermore, the interior of the copper joint end pipe joint is of a hollow structure.

Furthermore, the hollow joint is divided into a first joint and a second joint, and a closed loop is formed by the first joint, the water pump, the radiator, the second joint, the cable body and the liquid joint.

Furthermore, one end, far away from the terminal, of the pipe nut is provided with a groove, and one end, far away from the pipe nut, of the terminal is provided with a groove.

Furthermore, the groove is internally injected with plastic to form inverted embedding, and gaps among the end head, the nut and the cable main body are filled with the plastic.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses connecting the casing with the cable main part and moulding plastics together, all being provided with the recess at end and pipe nut both ends, through ripe injection moulding process, fill up the gap of end, nut and cable main part, the recess of setting forms to fall to inlay after pouring into the plastic, can not break away from because the too big production of pressure under the effect of pressure, forms the clearance and the weeping.

2. The utility model discloses the conductor is when carrying out current transmission, because the conductor has the internal resistance, the conductor can be because the effect of resistance produces the heat, because the conductor soaks in the liquid this moment, the heat of conductor can be conducted rapidly to liquid in, through the effect of water pump, pumps the radiator with the liquid of heating, through the effect of convection current, with heat transmission to the air in.

Drawings

The cable comprises a 1-shielding layer, a 2-outer insulating layer, a 3-inner insulating layer, a 4-supporting spring, a 5-pipe joint plastic layer, a 6-end, a 7-liquid joint, an 8-positive lead, a 9-pipe nut, a 10-positive plug terminal, a 11-negative lead, a 12-negative plug terminal, a 13-wiring terminal, a 20-plug end pipe joint assembly, a 30-cable main body and a 40-copper joint end pipe joint.

Fig. 1 is a front cross-sectional view of a flexible liquid-cooled cable of the present invention;

fig. 2 is a schematic structural view of a flexible liquid-cooled cable according to the present invention;

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

According to an embodiment of the present invention, shown in fig. 1 and 2: the utility model provides a flexible liquid cooling cable, including cable main part 30 and the plug end coupling assembly 20 who links to each other with cable main part 30, a serial communication port, cable main part 30 comprises the insulating layer, supporting spring 4 and wire, the inside wire that is used for electrically conductive that is provided with of insulating layer, be equipped with supporting spring 4 between insulating layer and the wire, plug end coupling assembly 20 includes end 6, liquid joint 7 and plug terminal, the wire links to each other with plug terminal, the insulating layer is close to plug terminal one side and is provided with the end 6 rather than the surperficial inseparable laminating, 6 internally mounted in end has the liquid joint 7 that is used for the water conservancy diversion, liquid joint 7 is hollow structure.

The insulating layer divide into inner insulating layer 3 and outer insulating layer 2, be equipped with shielding layer 1 between inner insulating layer 3 and the outer insulating layer 2, outer insulating layer 2 and end 6 sealing connection, inner insulating layer 3, form the runner that is used for the coolant liquid circulation between wire and the supporting spring 4, shielding layer 1 shields external electromagnetic signal, prevent to influence the internal circuit, the coolant liquid flows along the runner, adsorb the heat that the wire produced, the coolant liquid is electron fluoride liquid, one of insulating liquid such as silicon oil, adopt insulating coolant liquid, prevent that the electric leakage is electrically conductive, the security improves.

The lead comprises a positive lead 8 and a negative lead 11, the plug terminal comprises a positive plug terminal 10 and a negative plug terminal 12, the positive lead 8 is connected with the positive plug terminal 10, the negative lead 11 is connected with the negative plug terminal 12, the other ends of the positive lead 8 and the negative lead 11 are both connected with a connecting terminal 13, a copper joint end pipe joint 40 is arranged at the joint of the positive lead 8 and the negative lead 11 and the connecting terminal 13, the copper joint end pipe joints 40 are internally hollow, hollow joints are arranged on the two groups of copper joint end pipe joints 40 and are connected with the radiator through a water pump, the hollow joints are divided into a first joint and a second joint, a closed loop is formed by the first joint, the water pump, the radiator, the second joint, a cable main body 30 and the liquid joint 7, the end head 6 is communicated through the liquid joint 7, cooling liquid flows along the positive circuit and the negative circuit through the liquid joint 7 and is connected with the water pump radiator through the hollow joint on the copper joint end pipe joint 40, a closed loop is formed, the cooling liquid flows in the cable main body 30 through the water pump, the heat generated during working is continuously absorbed, and the heat is discharged through the radiator to perform circulating heat dissipation.

A pipe nut 9 is arranged between the end head 6 and the lead, the pipe nut 9 is screwed into the end head 6 through threads, the lead and the plug terminal are supported inside the end head 6 through the pipe nut 9, the stability of a joint is improved, the sealing effect is improved through threaded connection, the plug end pipe joint assembly 20 also comprises a pipe joint plastic layer 5, an insulating layer, the end head 6 and the plug terminal are installed through the pipe joint plastic layer 5, the joint is installed through the plastic layer, the stability is improved, the dustproof effect is achieved, a groove is formed in one end, away from the terminal, of the pipe nut 9, a groove is formed in one end, away from the pipe nut 9, of the terminal, plastic is injected inside the groove to form inverted embedding, the gap between the end head 6 and the cable main body 30 is filled with the plastic, the gap between the end head 6 and the nut and the cable is filled through a mature injection molding process, and the arranged groove is filled with the plastic, the pipe joint plastic layer 5 is internally provided with a clamping block which is clamped into the groove to ensure that the pipe joint plastic layer 5 is buckled and does not fall off.

As an embodiment of the utility model, the cable is when using, connect the electricity through positive plug terminal 10 and negative plug terminal 12, make surface temperature rise at during operation positive wire 8 and the circular telegram of negative wire 11, the water pump circular telegram makes cooling liquid pressure increase, the coolant liquid flows along the runner that forms between supporting spring 4 and cable main part 30 inside the cable, make the coolant liquid circulation flow in positive wire 8 and the negative wire 11 via liquid joint 7, absorb the heat that positive wire 8 and negative wire 11 produced when flowing, through the effect of water pump, pump the radiator with the liquid of heating, effect through the convection current, with heat transmission to the air in.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a flexible liquid cooling cable, including cable main part (30) and plug end coupling assembly (20) that link to each other with cable main part (30), a serial communication port, cable main part (30) comprises the insulating layer, supporting spring (4) and wire, the inside wire that is used for electrically conducting that is provided with of insulating layer, be equipped with supporting spring (4) between insulating layer and the wire, plug end coupling assembly (20) are including end (6), liquid joint (7) and plug terminal, the wire links to each other with plug terminal, one side of insulating layer near plug terminal is provided with end (6) rather than the surperficial inseparable laminating, end (6) internally mounted has liquid joint (7) that are used for the water conservancy diversion, liquid joint (7) are hollow structure, end (6) communicate with each other through liquid joint (7).

2. The flexible liquid cooled cable of claim 1, wherein: the insulating layer divide into inner insulation layer (3) and outer insulating layer (2), is equipped with shielding layer (1) between inner insulation layer (3) and outer insulating layer (2), and outer insulating layer (2) and end (6) sealing connection form the runner that is used for the coolant liquid circulation between inner insulation layer (3), wire and supporting spring (4).

3. The flexible liquid cooled cable of claim 1, wherein: the wire includes positive wire (8) and negative wire (11), and the plug terminal includes positive plug terminal (10) and negative plug terminal (12), and positive wire (8) link to each other with positive plug terminal (10), and negative wire (11) link to each other with negative plug terminal (12), and positive wire (8) and negative wire (11) other end all link to each other with binding post (13).

4. The flexible liquid cooled cable of claim 1, wherein: and a pipe nut (9) is arranged between the end head (6) and the lead, and the pipe nut (9) is screwed into the end head (6) through threads.

5. The flexible liquid cooled cable of claim 1, wherein: the plug end pipe joint assembly (20) further comprises a pipe joint plastic layer (5), and the insulating layer, the end head (6) and the plug terminal are installed through the pipe joint plastic layer (5).

6. The flexible liquid cooled cable of claim 3, wherein: and a copper joint end pipe joint (40) is arranged at the joint of the positive lead (8) and the negative lead (11) and the connecting terminal (13), and hollow joints are arranged on the copper joint end pipe joints (40) and connected with the radiator through a water pump.

7. The flexible liquid cooled cable of claim 4, wherein: the end, far away from the terminal, of the pipe nut (9) is provided with a groove, and the end, far away from the pipe nut (9), of the terminal is provided with a groove.