CN220172411U - Liquid cooling line coupling assembling and charging device - Google Patents

Abstract

The utility model discloses a liquid cooling wire connecting assembly and a charging device, wherein the liquid cooling wire connecting assembly comprises an insulating part, a conductor and a liquid cooling wire terminal, wherein a liquid cooling cavity which is used for flowing cooling liquid and extends along the axial direction of the insulating part is formed in the insulating part; the conductor is arranged in the liquid cooling cavity; the inside of liquid cooling line terminal is formed with the installation cavity along its axial, liquid cooling line terminal has relative first end and second end, first end inserts the liquid cooling cavity, and the cover is located the one end of conductor, first end with conductor electric connection, part is formed with the clearance between the inner wall of first end and the outer wall of conductor, the clearance intercommunication the installation cavity with the liquid cooling cavity, the second end is used for being connected with the charging member. The liquid cooling wire connecting component solves the problem that the existing liquid cooling wire connecting piece cannot cool a cable and a charging component at the same time.

Description

Liquid cooling line coupling assembling and charging device

Technical Field

The utility model relates to the technical field of charging cables, in particular to a liquid cooling cable connecting assembly and a charging device.

Background

With the rapid development of new energy technology in recent years, sales of electric vehicles is gradually increased, and the requirements of people on the charging speed of the electric vehicles are also higher. The charging speed of the electric vehicle can be greatly improved by using a high-power charging technology and a charging pile, however, in the high-power charging process, a large amount of heat can be generated by a cable due to high voltage and high current, and fire disaster is easy to cause.

For solving the problem that the cable generates heat, current liquid cooling cable connecting piece is connected cable and charging part, lets in the coolant liquid again to cool down to the cable, but current liquid cooling cable connecting piece can only cool down the cable, can't cool down cable and charging part simultaneously, and charging part have the problem that generates heat with liquid cooling cable connecting piece junction.

Disclosure of Invention

The utility model mainly aims to provide a liquid cooling wire connecting assembly, which aims to solve the problem that the existing liquid cooling wire connecting piece cannot cool a cable and a charging component at the same time.

In order to achieve the above object, the liquid-cooled wire connecting assembly provided by the utility model comprises an insulating piece, a conductor and a liquid-cooled wire terminal; a liquid cooling cavity which is used for cooling liquid to flow and extends along the axial direction of the insulating piece is formed in the insulating piece; the conductor is arranged in the liquid cooling cavity; the inside of liquid cooling line terminal is formed with the installation cavity along its axial, liquid cooling line terminal has relative first end and second end, first end inserts the liquid cooling cavity, and the cover is located the one end of conductor, first end with conductor electric connection, part is formed with the clearance between the inner wall of first end and the outer wall of conductor, the clearance intercommunication the installation cavity with the liquid cooling cavity, the second end is used for being connected with the charging member.

In one embodiment of the utility model, a seal is provided between the outer periphery of the first end and the chamber wall of the liquid cooling chamber.

In an embodiment of the utility model, the periphery of the first end is provided with a groove, and the sealing element is arranged in the groove.

In an embodiment of the present utility model, a plurality of grooves and sealing elements are respectively provided, the plurality of grooves are axially spaced along the liquid cooling line terminal, and each sealing element is disposed in one groove.

In one embodiment of the present utility model, the insulator is sleeved with a fastener on an outer surface near an end of the insulator, and the fastener fastens the insulator to press against the first end.

In one embodiment of the utility model, a plurality of fasteners are arranged, and the fasteners are arranged at intervals along the axial direction of the insulating piece;

and/or the periphery of the insulating piece is provided with a protective sleeve, and the protective sleeve is in butt joint with the end face of the fastening piece.

In an embodiment of the present utility model, a cross-sectional dimension of the first end is smaller than a cross-sectional dimension of the second end, a step surface is formed at a connection portion of the first end and the second end, and the step surface abuts against an end surface of the insulating member.

In an embodiment of the utility model, the liquid cooling line connection assembly further comprises an injection molding layer;

the injection molding layer is filled in a gap between the liquid cooling line terminal and the cavity wall of the liquid cooling cavity;

and/or the injection molding layer covers the end face of the insulating piece, which is abutted against the step surface, and the outer peripheral surface of the second end, which is close to the step surface.

In an embodiment of the present utility model, two liquid cooling cavities, two liquid cooling wire terminals and two conductors are respectively provided, the two liquid cooling cavities are symmetrically arranged along the radial direction of the insulating member, the two conductors are respectively arranged in the two liquid cooling cavities, and first ends of the two liquid cooling wire terminals are respectively inserted into the two liquid cooling cavities and are respectively sleeved at one ends of the conductors;

and/or the two ends of the insulating piece are provided with the liquid cooling wire terminals, and the liquid cooling wire terminals are respectively connected with the two ends of the insulating piece and the conductor.

The utility model also provides a charging device which comprises the liquid cooling line connecting assembly.

In the technical scheme of the utility model, the liquid cooling wire connecting assembly comprises an insulating part, a conductor and a liquid cooling wire terminal. The conductor sets up in the inside liquid cooling intracavity that forms of insulating part, and the inside installation cavity that is formed with both ends and link up of liquid cooling line terminal inserts the liquid cooling intracavity with the first end of liquid cooling line terminal to the cover is established on the conductor, and the second end can be connected with charging gun or charging parts such as electric pile. Meanwhile, a gap is formed between the inner wall of the first end and the conductor, so that the cooling liquid can flow in the charging gun or the charging pile, the mounting cavity and the liquid cooling cavity, and the cooling liquid can cool the conductor cable and the charging device at the same time, so that the problem that when the traditional liquid cooling wire connecting assembly is charged, a charging part and a connecting part of the charging part and the liquid cooling wire are heated is solved, the reliability of the liquid cooling wire connecting assembly in long-term use is improved, and the risk of fire disaster caused by heat accumulation in the charging process is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view of one embodiment of a liquid cooled cable connector assembly of the present utility model;

FIG. 2 is a right side view of the liquid cooled wire connection assembly of FIG. 1;

FIG. 3 is a cross-sectional view of the liquid cooled wire connection assembly of FIG. 2 taken along line A-A';

FIG. 4 is an exploded view of one embodiment of the liquid cooled wire connection assembly of FIG. 1;

FIG. 5 is a schematic view of the structure of the insulator and conductor of the liquid cooled wire assembly of FIG. 1;

FIG. 6 is a schematic view of a liquid cooled cable connector assembly according to another embodiment of the present utility model;

fig. 7 is an exploded view of the liquid cooled wire connection assembly of fig. 6.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				1	Liquid cooling line coupling assembling	212	Sealing element
10	Insulating member	22	Second end
				11	Protective sleeve	23a	Mounting cavity
12a	Auxiliary cavity	24	Step surface
				13a	Liquid cooling cavity	30	Conductor
20	Liquid-cooled wire terminal	40	Fastening piece
				21	First end	50	Auxiliary line
211a	Groove

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. The meaning of "and/or", "and/or" as used throughout is intended to include three side-by-side schemes, for example "a and/or B", including a scheme, or B scheme, or a scheme where a and B meet at the same time. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides a liquid cooling wire connecting assembly 1.

Referring to fig. 1-3, in one embodiment of the present utility model, a liquid cooled wire connection assembly 1 includes an insulator 10, a conductor 30, and a liquid cooled wire terminal 20; the insulator 10 has a liquid cooling chamber 13a extending in the axial direction thereof for flowing a cooling liquid; the conductor 30 is arranged in the liquid cooling cavity 13a; the liquid cooling wire terminal 20 is formed with a mounting cavity 23a along the axial direction thereof, the liquid cooling wire terminal 20 is provided with a first end 21 and a second end 22 which are opposite, the first end 21 is inserted into the liquid cooling cavity 13a and sleeved at one end of the conductor 30, the first end 21 is electrically connected with the conductor 30, a gap is formed between the inner wall of the first end 21 and the outer wall of the conductor 30, the gap is communicated with the mounting cavity 23a and the liquid cooling cavity 13a, and the second end 22 is used for being connected with a charging component.

In the present embodiment, the liquid cooling chamber 13a formed in the insulator 10 in the axial direction thereof is a passage through which both ends of the cooling liquid flow. The size of the cross section of the liquid cooling cavity 13a is designed according to the sizes of the conductor 30 and the liquid cooling wire terminal 20, so that the first end 21 of the liquid cooling wire terminal 20 can be inserted into the liquid cooling cavity 13a and is in interference fit with the liquid cooling wire terminal 20 to prevent the cooling liquid from flowing out of the outer side surface of the liquid cooling wire terminal 20; meanwhile, the conductor 30 can be inserted into the liquid cooling cavity 13a and has a gap with the cavity wall of the liquid cooling cavity 13a, so as to ensure that the cooling liquid can flow freely in the liquid cooling cavity 13 a. The material of the insulating member 10 may be any one of PVC, TPE, TPU and rubber materials, and has certain elasticity while having insulating properties, so that the liquid cooling cavity 13a and the liquid cooling wire terminal 20 can be more easily matched. The insulator 10 may be cylindrical in shape to facilitate the formation of the insulator 10 and the liquid cooling chamber 13 a. The cooling liquid may be an insulating liquid having a good heat conduction property, and for example, transformer oil, capacitor oil, cable oil, and the like may be used, which is not limited herein.

The conductor 30 is electrically connected to the charging gun and the charging pile during charging, so as to transmit electric quantity. The material can be copper, aluminum and the like, the size of the cross section of the conductor 30 is designed according to the power transmitted as required, and the conductor 30 is arranged in the liquid cooling cavity 13a and is cooled under the action of cooling liquid, so that the temperature of the conductor 30 in the charging process is reduced.

The first end 21 and the second end 22 of the liquid-cooled wire terminal 20 are connected, and a mounting cavity 23a is formed inside the liquid-cooled wire terminal, and the mounting cavity 23a has a through structure at both ends. The first end 21 is inserted into the liquid cooling cavity 13a and is in interference fit with the cavity wall of the liquid cooling cavity 13a, and the second end 22 is connected with a charging component such as a charging gun or a charging pile. The first end 21 is sleeved at one end of the conductor 30, and a plugging cavity with a smaller size can be arranged at one end, close to the conductor 30, in the mounting cavity 23a, so that the conductor 30 can be inserted into the plugging cavity and electrically connected with the liquid cooling wire terminal 20; the conductor 30 may also be connected to the cavity wall of the mounting cavity 23a by means of soldering. No matter what connection mode, a gap is formed between the conductor 30 and the inner wall of the first end 21, and the gap is communicated with the installation cavity 23a and the liquid cooling cavity 13a, so that cooling liquid can flow in the installation cavity 23a and the liquid cooling cavity 13a, meanwhile, the liquid cooling wire terminal 20 is of a two-end through structure, so that the cooling liquid can cool the connection part of the conductor 30 and the liquid cooling wire terminal 20 and the charging part at the same time, and the risk of fire caused by heating of a cable and a charging device in the charging process is reduced.

As described in connection with fig. 4 and 7, in one embodiment of the present utility model, a seal 212 is provided between the outer periphery of the first end 21 and the chamber wall of the liquid cooling chamber 13 a.

In this embodiment, the sealing member 212 is provided between the outer periphery of the first end 21 and the wall of the liquid cooling chamber 13a, so that the sealing property between the liquid cooling line terminal 20 and the liquid cooling chamber 13a can be improved, and the outflow of the cooling liquid from the outer wall of the first end 21 can be prevented. The sealing member 212 may be a sealing ring or a sealing cotton sliver, and has a shape matching with that of the liquid cooling wire terminal 20 and a certain elasticity to improve sealing effect.

With continued reference to fig. 4 and 7, in an embodiment of the present utility model, the outer circumference of the first end 21 is provided with a groove 211a, and the sealing member 212 is disposed in the groove 211 a.

In this embodiment, a groove 211a is formed around the outer periphery of the first end 21, and then the sealing member 212 is disposed in the groove 211a, and the groove 211a can limit the sealing member 212. When the liquid cooling wire terminal 20 is inserted into the liquid cooling chamber 13a, the sealing member 212 is not easily pushed out, thereby ensuring the sealing effect. In other embodiments, the groove 211a may be formed on the wall of the liquid cooling chamber 13a, and the sealing member 212 may be disposed in the groove 211a, which can achieve the same effect as the present embodiment.

With continued reference to fig. 4 and fig. 7, in an embodiment of the utility model, a plurality of grooves 211a and sealing members 212 are provided, and the plurality of grooves 211a are axially spaced along the liquid cooling line terminal 20, and each sealing member 212 is disposed in one groove 211 a.

In this embodiment, a plurality of grooves 211a may be annularly arranged at the first end 21 of the liquid cooling wire terminal 20 along the axial direction thereof, the number of the sealing elements 212 is the same as that of the grooves 211a, each groove 211a is internally provided with a sealing element 212, and the plurality of sealing elements 212 are arranged to further improve the sealing performance between the liquid cooling wire terminal 20 and the liquid cooling cavity 13 a.

In an embodiment of the present utility model, as shown in fig. 3, the cross-sectional dimension of the first end 21 is smaller than the cross-sectional dimension of the second end 22, and a step surface 24 is formed at the connection between the first end 21 and the second end 22, where the step surface 24 abuts against the end surface of the insulating member 10.

In this embodiment, the cross-sectional dimension of the first end 21 is smaller than the cross-sectional dimension of the second end 22 to facilitate insertion of the first end 21 into the liquid-cooled cavity of the insulator 10. Because the cross-sectional dimensions of the first end 21 and the second end 22 are different, the connection between the first end 21 and the second end 22 is formed with the step surface 24, and the cross-sectional dimension of the second end 22 is larger than the cross-sectional dimension of the liquid cooling cavity 13a, so that the step surface 24 can be used for limiting the liquid cooling wire terminal 20 when the first end 21 is inserted into the liquid cooling cavity 13a, so as to facilitate the installation of the liquid cooling wire terminal 20.

In addition, the cross-sectional dimensions at the first end 21 and the second end 22 may be the same or different, and in this embodiment, the cross-sectional dimension of the mounting cavity 23a at the first end 21 is smaller than the cross-sectional dimension at the second end 22. The mounting cavity 23a at the second end 21 is larger in cross-sectional dimension to enhance coolant flow. The mounting cavity 23a is smaller in cross-section at the first end 21 so that the conductor 30 can mate with the liquid cooled wire terminal 20 when inserted into the mounting cavity 23a at the first end 21. Whether or not the cross-sectional dimensions of the mounting cavity 23a at the first end 21 and the second end 22 are the same, gaps are formed between the walls of the mounting cavity 23a and the conductor 30, so that the cooling liquid can flow freely in the mounting cavity 23a and the liquid cooling cavity 13a, the cooling liquid can flow circularly, and the effect of cooling the conductor 30 is improved.

Referring to fig. 1-2 and fig. 6-7, in an embodiment of the present utility model, the insulator 10 is sleeved with a fastener 40 near an outer surface of an end portion thereof, and the insulator 10 abuts against the first end 21.

In this embodiment, the fastener 40 is a monaural laryngeal cuff. Because the insulating member 10 is made of a material with a certain elasticity, the single-ear hose clamp is sleeved on the outer surface of the insulating member 10 near the end part of the insulating member, and the insulating member 10 can be locked and extruded through the single-ear hose clamp, so that the insulating member 10 is pressed against the first end 21, the tightness between the liquid cooling wire terminal 20 and the cavity wall of the liquid cooling cavity 13a is further improved, and meanwhile, the connection strength between the liquid cooling wire terminal 20 and the insulating member 10 is improved. In other implementations, the fastener 40 may also be a fastening sleeve having a width along its axial direction that may enclose and fasten the end of the insulator 10, with the wider width of the fastening sleeve in the axial direction further improving the tightness between the liquid-cooled wire terminal 20 and the cavity wall of the liquid-cooled cavity 13 a.

Referring to fig. 1, in one embodiment of the present utility model, a plurality of fasteners 40 are provided, and the plurality of fasteners 40 are arranged at intervals along the axial direction of the insulator 10;

and/or, the periphery of the insulator 10 is provided with a protective sleeve 11, and the protective sleeve 11 is abutted against the end face of the fastener 40.

In this embodiment, the plurality of fasteners 40 are arranged at intervals along the axial direction of the insulating member 10, and the plurality of fasteners 40 press the joint surface of the plurality of liquid-cooled wire terminals 20 and the insulating member 10, so that the tightness between the liquid-cooled wire terminals 20 and the cavity walls of the liquid-cooled cavity 13a is further improved. The number of the fasteners 40 can be designed according to the length of the first end 21 inserted into the liquid cooling cavity 13a and matched with the length of the first end 21, so that the space between the conductor 30 and the cavity wall of the liquid cooling cavity 13a can be ensured, and the influence on the flow of cooling liquid is avoided.

Under the condition that a plurality of fasteners 40 are arranged on the surface of the insulating part 10 in a limiting or non-limiting manner, a protective sleeve 11 is further arranged on the periphery of the insulating part 10 and sleeved on the periphery of the insulating part 10 so as to limit the volume change of the insulating part 10 caused by thermal expansion and cold contraction, and meanwhile, the insulating part 10 which is softer is protected, the damage degree of the insulating part 10 in the long-time use process is reduced, and the service life of the insulating part is prolonged. Because the end of the insulating member 10 is provided with the fastening member 40, one end of the protecting sleeve 11 can be abutted against the end face of the fastening member 40, so that the protecting area of the protecting sleeve 11 on the insulating member 10 can be increased to the greatest extent.

Referring to fig. 3, in an embodiment of the present utility model, the liquid-cooled wire connecting assembly 1 further includes an injection molding layer;

the injection layer fills the gap between the liquid cooling line terminal 20 and the cavity wall of the liquid cooling cavity 13a;

and/or, the injection molding layer covers the end surface of the insulator 10, which is abutted against the step surface 24, and the second end 22 is close to the outer peripheral surface of the step surface 24.

The injection layer is formed by injecting plastic into a position between the insulator 10 and the liquid cooling wire terminal 20 to be sealed in a molten state and solidifying the plastic. In this embodiment, to further improve the tightness between the insulator 10 and the liquid cooling wire terminal 20, the liquid cooling wire assembly further includes an injection molding layer, and the gap between the liquid cooling wire terminal 20 and the cavity wall of the liquid cooling cavity 13a is filled with the injection molding layer.

Under the condition that the injection layer is filled between the liquid cooling wire terminal 20 and the cavity wall of the liquid cooling cavity 13a in a limiting or non-limiting mode, the injection layer is further covered on the end face, where the insulating piece 10 abuts against the step face 24, of the second end 22, close to the outer peripheral face of the step face 24, so that the insulating piece 10 and the liquid cooling wire terminal 20 are sealed, a certain fixing effect is achieved on the connecting face of the insulating piece 10 and the liquid cooling wire terminal 20, and the connecting strength between the liquid cooling wire terminal 20 and the insulating piece 10 is improved.

Referring to fig. 4 to 5, in an embodiment of the present utility model, two liquid cooling cavities 13a, two liquid cooling wire terminals 20 and two conductors 30 are provided, the two liquid cooling cavities 13a are symmetrically arranged along the radial direction of the insulating member 10, the two conductors 30 are respectively arranged in the two liquid cooling cavities 13a, and first ends 21 of the two liquid cooling wire terminals 20 are respectively inserted into the two liquid cooling cavities 13a and respectively sleeved at one ends of the conductors 30;

and/or, both ends of the insulating member 10 are provided with liquid-cooled wire terminals 20, and the liquid-cooled wire terminals 20 are respectively connected with both ends of the insulating member 10 and the conductor 30.

In this embodiment, two liquid cooling cavities 13a in the insulating member 10 are provided, and are symmetrical along the radial direction of the insulating member 10, and the symmetrical structure design can make the heat dissipation of the conductors 30 in the two liquid cooling cavities 13a uniform, so that the overall heat dissipation efficiency is improved. The two liquid cooling cavities 13a can be respectively provided with the positive electrode and the negative electrode of the two conductors 30, and the two conductors 30 are respectively arranged in the independent liquid cooling cavities 13a, so that the safety of the circuit is improved. The connection and matching manner of the liquid-cooled wire terminal 20 and the insulator 10 as well as the conductor 30 is the same as the above-mentioned technical scheme, and will not be described here again.

In the case that the liquid cooling cavity 13a, the liquid cooling wire terminal 20 and the conductor 30 are provided in radial symmetry with or without limitation, the liquid cooling wire terminal 20 is provided at both ends of the insulating member 10, and both ends can be connected with the insulating member 10 and the conductor 30 in a sealing manner in the same manner. After the liquid cooling wire terminals 20 are arranged at the two ends, the liquid cooling wire terminals 20 at one end of the insulating member 10 can be connected with parts such as a charging gun, so that the conductors 30 and the parts needing heat dissipation on the charging gun can be cooled and dissipated; the liquid cooling wire terminal 20 at the other end of the insulating member 10 can be connected with parts such as a charging pile, so as to cool and dissipate heat of the conductor 30 and the parts needing to dissipate heat on the charging pile; therefore, the cooling liquid can circularly flow among the charging gun, the liquid cooling cavity 13a and the charging pile, the integral cooling of the liquid cooling line is realized, and the risk of fire caused by overhigh heat is reduced.

An auxiliary cavity 12a is also formed in the insulating member 10 along the axial direction thereof, and one or two auxiliary cavities 12a may be provided, wherein when two auxiliary cavities 12a are provided, the auxiliary cavities 12a and the liquid cooling cavity 13a are symmetrically provided along the circumferential direction of the insulating member 10. Meanwhile, the liquid cooling wire connecting assembly 1 further comprises an auxiliary wire 50, the auxiliary wire 50 is arranged in the auxiliary cavity 12a, and the auxiliary wire 50 is a non-high-power cable, for example, a grounding wire, a communication wire and the like.

The utility model also provides a charging device which comprises the liquid cooling line connecting assembly 1. The specific structure of the liquid cooling line connection assembly 1 refers to the above embodiment, and since the liquid cooling line connection assembly 1 of the charging device of the present utility model adopts all the technical solutions of all the embodiments, at least has all the beneficial effects brought by the technical solutions of the embodiments, and will not be described in detail herein.

Wherein, charging device can be devices such as rifle, charging stake, and the rifle that charges is connected through liquid cooling line coupling assembling 1 with charging stake, can understand, is connected with rifle or charging stake that charges with the second end 22 of liquid cooling line connecting terminal in the liquid cooling line subassembly through modes such as grafting, threaded connection, connection structure is simple, has reduced charging device's processing cost. Meanwhile, the mounting cavity 23a with two ends communicated and used for cooling liquid to flow is formed in the liquid cooling line terminal 20, so that the effect of cooling and cooling of the components needing heat dissipation such as the conductor 30, the charging gun, the charging pile and the like is achieved, and the overall heat dissipation capacity of the product is improved.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the specification and drawings of the present utility model or direct/indirect application in other related technical fields are included in the scope of the present utility model.

Claims (10)

1. A liquid cooled cable connection assembly, the liquid cooled cable connection assembly comprising:

an insulating member having a liquid cooling chamber formed therein along an axial direction thereof for flowing a cooling liquid;

the conductor is arranged in the liquid cooling cavity; and

the liquid cooling line terminal, the inside of liquid cooling line terminal is formed with the installation cavity along its axial, liquid cooling line terminal has relative first end and second end, first end inserts the liquid cooling cavity, and the cover is located the one end of conductor, first end with conductor electric connection, the inner wall of first end with part is formed with the clearance between the outer wall of conductor, the clearance intercommunication the installation cavity with the liquid cooling cavity, the second end is used for being connected with the charging member.

2. The liquid cooled wire connection assembly of claim 1, wherein a seal is provided between the periphery of the first end and the wall of the liquid cooled chamber.

3. The liquid cooled wire connection assembly of claim 2, wherein the outer perimeter of the first end is provided with a groove, and the seal is disposed within the groove.

4. The liquid cooled cable connection assembly of claim 3, wherein a plurality of grooves are provided along the liquid cooled cable terminal at axially spaced intervals with the sealing members, each sealing member being disposed within one of the grooves.

5. The liquid cooled wire connection assembly of any one of claims 1-4, wherein the insulator is sleeved with a fastener on an outer surface near an end thereof, the fastener fastening the insulator against the first end.

6. The liquid cooled wire connection assembly of claim 5, wherein a plurality of said fasteners are provided, a plurality of said fasteners being spaced apart along the axial direction of said insulator;

and/or the periphery of the insulating piece is provided with a protective sleeve, and the end face of the protective sleeve is in butt joint with the end face of the fastening piece.

7. The liquid cooled wire connection assembly of any of claims 1-4, wherein the first end has a cross-sectional dimension that is smaller than a cross-sectional dimension of the second end, a junction of the first end and the second end being formed with a stepped surface that abuts an end face of the insulator.

8. The liquid cooled wire connection assembly of claim 7, further comprising an injection molded layer;

the injection molding layer is filled in a gap between the liquid cooling line terminal and the cavity wall of the liquid cooling cavity;

and/or the injection molding layer covers the end face of the insulating piece, which is abutted against the step surface, and the outer peripheral surface of the second end, which is close to the step surface.

9. The liquid-cooled cable connection assembly of any one of claims 1-4, wherein two liquid-cooled cavities, two liquid-cooled cable terminals and two conductors are provided, the two liquid-cooled cavities are symmetrically arranged along the radial direction of the insulating piece, the two conductors are respectively arranged in the two liquid-cooled cavities, and first ends of the two liquid-cooled cable terminals are respectively inserted into the two liquid-cooled cavities and are respectively sleeved at one ends of the conductors;

and/or the liquid cooling wire terminals are provided with two groups, and the two groups of liquid cooling wire terminals are respectively connected with the two ends of the insulating piece and the two ends of the conductor.

10. A charging device comprising the liquid cooled wire connection assembly of any one of claims 1-9.