阅读说明：本技术 充电连接装置、充电连接器、充电插座及电动车辆 (Charging connection device, charging connector, charging socket and electric vehicle ) 是由 郭水保 王伟 何英勇 石志超 杨康 纪克 于 2021-07-14 设计创作，主要内容包括：本申请提供一种充电连接装置、充电连接器、充电插座及电动车辆,充电连接装置包括功率线缆、冷却单元和壳体组件,壳体组件包括罩壳和绝缘导热件,罩壳围成两端开口的容纳腔,功率线缆、冷却单元和绝缘导热件均穿设并固定于容纳腔内,绝缘导热件位于功率线缆和冷却单元之间,以使冷却单元对功率线缆进行冷却。本申请的充电连接装置可以简化充电连接器或者充电插座的装配过程,有利于提高装配可靠性。(The application provides a charging connection device, charging connector, socket and electric vehicle charge, charging connection device includes the power cable, cooling unit and casing subassembly, the casing subassembly includes housing and insulating heat-conducting piece, the housing encloses into both ends open-ended and holds the chamber, the power cable, cooling unit and insulating heat-conducting piece are all worn to establish and are fixed in and hold the intracavity, insulating heat-conducting piece is located between power cable and the cooling unit to make the cooling unit cool off the power cable. The charging connection device can simplify the assembly process of the charging connector or the charging socket, and is favorable for improving the assembly reliability.)

1. The charging connection device is characterized by comprising a power cable, a cooling unit and a shell assembly, wherein the shell assembly comprises a housing and an insulating heat-conducting piece, the housing is surrounded to form a containing cavity with openings at two ends, a terminal is arranged at the end part of the power cable, the cooling unit and the insulating heat-conducting piece are all arranged in the containing cavity in a penetrating mode and fixed, and the insulating heat-conducting piece is located between the power cable and the cooling unit so that the cooling unit cools the power cable.

2. The charging connection device according to claim 1, wherein the power cable is provided in plurality, the power cable is provided on a side of the cooling unit, and the insulating heat-conductive member is provided between each of the power cables and the cooling unit.

3. The charging connection device of claim 2, wherein the cooling unit comprises a heat exchange member, a liquid inlet pipe and a liquid outlet pipe, the heat exchange member has a heat exchange cavity inside, and the liquid inlet pipe and the liquid outlet pipe are both communicated with the heat exchange cavity to form a heat exchange circulation pipeline, and a cooling liquid flows in the heat exchange circulation pipeline.

4. The charging connection device according to any one of claims 1 to 3, wherein the terminal, the insulating heat-conductive member, and the cooling unit are arranged in the housing chamber in this order, and the terminal protrudes from an end of the housing chamber out of the housing chamber.

5. The charging connection device of claim 4, further comprising a limiting member and an adjusting fastener, wherein a through hole is formed on a side wall of the housing;

the first end of the limiting piece abuts against the side of the terminal, and the second end of the limiting piece is provided with a threaded hole; the adjusting fastener is sequentially arranged in the through hole and the threaded hole in a penetrating mode, when the external thread of the adjusting fastener is screwed with the threaded hole, the terminal is pushed by the adjusting fastener to be close to the insulating heat-conducting piece and the cooling unit.

6. The charging connection device according to any one of claims 1 to 3, further comprising a temperature sensor attached to the terminal and configured to detect a temperature of the terminal; the inner wall of the housing is provided with a mounting groove, the temperature sensor is arranged in the mounting groove, and the mounting groove is filled with heat transfer glue wrapping the temperature sensor.

7. The charging connection device according to any one of claims 1 to 3, further comprising a cover plate that covers a side of the cooling unit facing the terminal and that, together with the insulating heat-conductive member, encloses an isolation chamber for isolating the cooling unit.

8. A charging connector comprising a charging connector housing, a connector body, an electric connection terminal, and the charging connection device according to any one of claims 1 to 7, wherein a cavity is provided in the charging connector housing for accommodating the electric connection terminal and the charging connection device, the electric connection terminal is connected to the charging connection device, and the charging connection device is mounted on the connector body.

9. A charging socket comprising a socket panel, an electric connection terminal and the charging connection device of any one of claims 1 to 7, wherein the electric connection terminal is connected to the charging connection device, and the charging connection device is mounted to the socket panel.

10. An electric vehicle characterized by comprising a vehicle body and the charging inlet of claim 9, the charging inlet being attached to the vehicle body.

Technical Field

The application relates to the technical field of charging, and relates to a charging connection device, a charging connector, a charging socket and an electric vehicle.

Background

When the new energy automobile is charged with high power, the charging socket and the charging terminal of the charging gun can generate a large amount of heat, and great challenges are brought to safe use of the whole automobile and a system. The liquid cooling module is generally adopted to cool the charging terminal, and the charging gun or the charging socket which is relatively complex per se is more complex in structural design due to the addition of the liquid cooling module.

The charging gun has many parts such as a temperature sensor, a charging terminal, and an insulating heat conducting plate inside, and the temperature sensor, the charging terminal, the insulating heat conducting plate, and the like are generally assembled to the charging gun head one by one in the assembly order.

However, this assembly is complicated and the parts cannot be securely fixed in place inside the charging gun.

Disclosure of Invention

The application provides a charging connection device, charging connector, socket and electric vehicle charge, and the assembly of charging connection device is fairly simple, and each spare part is fixed reliable.

In order to reach above-mentioned purpose, the application provides a connecting device charges, including power cable, cooling unit and casing subassembly, the casing subassembly includes housing and insulating heat-conducting piece, and the housing encloses into both ends open-ended and holds the chamber, and the tip of power cable has the terminal, and power cable, cooling unit and insulating heat-conducting piece are all worn to establish and are fixed in and hold the intracavity, and insulating heat-conducting piece is located between power cable and the cooling unit to make the cooling unit cool off the power cable.

In one possible implementation manner, the power cables are multiple, the power cables are arranged on the side of the cooling unit, and the insulating heat-conducting member is arranged between each power cable and the cooling unit.

In a possible implementation manner, the cooling unit comprises a heat exchange piece, a liquid inlet pipe and a liquid outlet pipe, a heat exchange cavity is arranged inside the heat exchange piece, the liquid inlet pipe and the liquid outlet pipe are both communicated with the heat exchange cavity to form a heat exchange circulation pipeline, and cooling liquid flows in the heat exchange circulation pipeline.

In a possible implementation manner, the terminal, the insulating heat-conducting member and the cooling unit are sequentially arranged in the accommodating cavity, and the terminal extends out of the accommodating cavity from the end part of the accommodating cavity.

In a possible implementation manner, the charging connection device further comprises a limiting part and an adjusting fastener, and a through hole is formed in the side wall of the housing.

The first end of the limiting part is abutted against the side of the terminal, and the second end of the limiting part is provided with a threaded hole. The adjusting fastener sequentially penetrates through the through hole and the threaded hole, and when the external thread of the adjusting fastener is relatively screwed with the threaded hole, the terminal is pushed by the adjusting fastener to be close to the insulating heat-conducting piece and the cooling unit. In a possible implementation manner, the charging connection device further comprises a temperature sensor, and the temperature sensor is attached to the terminal and used for detecting the temperature of the terminal.

Be provided with the mounting groove on the inner wall of housing, temperature sensor sets up in the mounting groove, and the mounting groove intussuseption is filled with the heat transfer that wraps up temperature sensor and glues.

In one possible implementation, the charging connection device further includes a cover plate, which is disposed on a side of the cooling unit facing the terminal and encloses an isolation cavity for isolating the cooling unit together with the insulating heat-conducting member.

The application still provides a charging connector, including charging connector casing, joint body, electric connecting terminal and charging connection device, be equipped with the cavity that holds electric connecting terminal and charging connection device in the charging connector casing, electric connecting terminal connects in charging connection device, and charging connection device installs in the joint body.

The application also provides a socket that charges, including socket panel, electric connection terminal and charging connection device, electric connection terminal connects in charging connection device, and charging connection device installs in the socket panel.

The application also provides an electric vehicle, including automobile body and the socket that charges, the socket that charges is connected on the automobile body.

The application provides a charging connection device, charging connector, socket and electric vehicle charge, charging connection device includes the power cable, cooling unit and casing subassembly, the casing subassembly includes housing and insulating heat-conducting piece, the housing encloses into both ends open-ended and holds the chamber, the tip of power cable has the terminal, the power cable, cooling unit and insulating heat-conducting piece are all worn to establish and are fixed in and hold the intracavity, insulating heat-conducting piece is located between power cable and the cooling unit, so that the cooling unit cools off the power cable. Therefore, the charging connecting device can simplify and modularize the complex and fussy assembling process of the charging connector or the charging socket, core parts such as a power cable and a cooling unit are made into a whole, and then the charging connecting device is assembled to the charging connector or the charging socket, so that the core parts can be assembled orderly, accurately, safely and reliably.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a charging connection device according to an embodiment of the present disclosure;

fig. 2 is an exploded view of a charging connection device according to an embodiment of the present disclosure;

fig. 3 is a front view of a charging connection device according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a charging gun in a charging connector according to an embodiment of the present disclosure;

fig. 5 is a schematic structural diagram of a charging socket according to an embodiment of the present disclosure;

FIG. 6 is a sectional view taken along line A-A of FIG. 3;

FIG. 7 is an enlarged view of a portion of FIG. 6 at B;

fig. 8 is a sectional view taken along line C-C in fig. 3.

Description of reference numerals:

1-a charging connection;

11-a power cable; 12-a cooling unit; 13-a housing assembly; 14-a limit stop; 15-adjusting the fastener; 16-a temperature sensor; 17-a cover plate;

a 111-terminal; 121-heat exchange members; 122-a liquid inlet pipe; 123-liquid outlet pipe; 131-a housing; 132-an insulating thermally conductive member; 141-a threaded hole;

1111-a storage tank; 1311-through holes; 1312-mounting grooves;

2-an electrical connection terminal;

21-connecting the stent; 22-a connection terminal;

3-a joint body;

4-socket panel.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying drawings in the preferred embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar components or components having the same or similar functions throughout. The described embodiments are a subset of the embodiments in the present application and not all embodiments in the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. Embodiments of the present application will be described in detail below with reference to the accompanying drawings.

In the description of the present application, it should be noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, an indirect connection through intervening media, a connection between two elements, or an interaction between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application.

The terms "first," "second," and "third" (if any) in the description and claims of this application and the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.

Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or display that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or display.

The charging gun or the charging socket has many parts such as a temperature sensor, a charging terminal, and an insulating heat-conducting plate inside, and the temperature sensor, the charging terminal, the insulating heat-conducting plate, and the like are generally assembled to the charging gun head or the socket panel one by one in the assembly order. However, this assembly is complicated and the parts cannot be reliably fixed to the charging tip or the receptacle panel. And because the cooling module is arranged in the high-power charging gun or the charging socket, how to effectively isolate the high-voltage cable from the cooling module is also an urgent problem to be solved.

Based on this, this application embodiment provides a charging connection device, charging connector, socket and electric vehicle that charges, and charging connection device can be with complicated, loaded down with trivial details assembly process simplification, modularization, and charging connector and socket inside parts fix reliably.

Fig. 1 is a schematic structural diagram of a charging connection device according to an embodiment of the present disclosure; fig. 2 is an exploded view of a charging connection device according to an embodiment of the present disclosure; fig. 3 is a front view of a charging connection device according to an embodiment of the present disclosure. Referring to fig. 1 to 3, a charging connection device 1 provided in an embodiment of the present application includes a power cable 11, a cooling unit 12, and a housing assembly 13, where the housing assembly 13 includes a casing 131 and an insulating heat-conducting member 132, the casing 131 encloses an accommodating cavity with openings at two ends, an end of the power cable 11 has a terminal 111, the power cable 11, the cooling unit 12, and the insulating heat-conducting member 132 are all inserted and fixed in the accommodating cavity, and the insulating heat-conducting member 132 is located between the power cable 11 and the cooling unit 12, so that the cooling unit 12 cools the power cable 11.

Specifically, a first groove is arranged in the middle of the housing 131, a second groove is arranged in the middle of the cooling unit 12, the first groove and the second groove have the same concave direction, and the first recess is matched with the second recess in shape, when the cooling unit 12 is fitted to the receiving cavity in the housing 131, the movement of the cooling unit 12 in the housing 131 can be restricted, therefore, the first groove and the second groove can stably and reliably fix the cooling unit 12 on the casing 131, and then fix the insulating heat-conducting member 132 between the cooling unit 12 and the power cable 11, the insulating heat-conducting member 132 can isolate the high voltage of the cooling unit 12 and the power cable 11, and the insulating heat-conductive member 132 may transfer heat generated when the power cable 11 is charged to the cooling unit 12, to cool the power cable 11 and thereby ensure that the operating temperature of the power cable 11 is always in the normal range.

Charging connecting device 1 can make the rifle or the socket that charges complicated, loaded down with trivial details assembly process simplification, modularization, makes core spare parts such as power cable 11, cooling unit 12 a whole, assembles charging connecting device 1 to the rifle or the socket that charges again, can guarantee that the assembly of core spare part is orderly, accurate and safe and reliable.

As shown in fig. 1 to 3, in some embodiments, the power cable 11 is provided in plurality, the power cable 11 is disposed on the side of the cooling unit 12, and the insulating heat-conducting member 132 is disposed between each power cable 11 and the cooling unit 12.

It should be understood that the number of the power cables 11 may be two, three or five, for example, two terminals 111 are generally used in a dc charging gun, three terminals 111 or five terminals 111 are generally used in an ac charging gun, and the implementation may be selected according to the specific requirements of the charging gun or the charging socket, which is not limited in this embodiment. The insulating heat-conducting member 132 is disposed corresponding to the power cables 11, and the insulating heat-conducting member is disposed between each power cable 11 and the cooling unit 12, so that heat generated by charging each power cable 11 can be conducted to the cooling unit 12, and the power cables 11 are cooled.

Referring to fig. 2, in some embodiments, the cooling unit 12 includes a heat exchanging member 121, a liquid inlet pipe 122 and a liquid outlet pipe 123, the heat exchanging member 121 has a heat exchanging cavity therein, and the liquid inlet pipe 122 and the liquid outlet pipe 123 are both communicated with the heat exchanging cavity to form a heat exchanging circulation line, and a cooling liquid flows in the heat exchanging circulation line.

When the charging gun or the charging socket performs high-power charging, the current and the voltage are very large, and the power cable 11 is very easy to generate heat. A special heat exchange circulating pipeline is arranged beside the power cable 11, cooling liquid with a heat dissipation effect is added into the heat exchange circulating pipeline, the cooling unit 12 is provided with a power pump, and the cooling liquid is pushed by the power pump to circulate along the heat exchange circulating pipeline, so that heat is taken out.

Fig. 4 is a schematic structural diagram of a charging gun in a charging connector according to an embodiment of the present disclosure; fig. 5 is a schematic structural diagram of a charging socket according to an embodiment of the present application. Referring to fig. 2, 4 and 5, as an alternative embodiment, the terminal 111, the insulating heat-conducting member 132 and the cooling unit 12 are arranged in the accommodating cavity in sequence, and the terminal 111 extends out of the accommodating cavity from an end of the accommodating cavity.

It can be understood that the main portion that power cable 11 generates heat lies in terminal 111, locates insulating heat-conducting member 132 between terminal 111 and heat exchange member 121, can conduct a large amount of heats that terminal 111 work produced to heat exchange member 121, takes the heat out through the heat transfer circulation pipeline to cool down terminal 111, guarantee the normal work of the rifle or the socket that charges. A part of the terminal 111 protrudes out of the housing 131 to assemble the charging connection device 1 with the header body 3 or the receptacle panel 4.

FIG. 6 is a sectional view taken along line A-A of FIG. 3; fig. 7 is a partial enlarged view of fig. 6 at B. As shown in fig. 2, 3, 6 and 7, as an alternative embodiment, the charging connection device 1 further includes a limiting member 14 and an adjusting fastener 15, and a through hole 1311 is formed on a side wall of the housing 131.

The first end of the stopper 14 abuts against the side of the terminal 111, and the second end of the stopper 14 has a screw hole. The adjusting fastener 15 is sequentially inserted into the through hole 1311 and the threaded hole, and when the external thread of the adjusting fastener 15 is screwed into the threaded hole, the terminal 111 is pushed by the adjusting fastener 15 to approach the insulating heat-conducting member 132 and the cooling unit 12. Specifically, in some optional embodiments, the limiting member 14 is a limiting member, an accommodating groove 1111 is disposed on a side of the terminal 111, the accommodating groove 1111 matches with the shape of the limiting member 14, a first end of the limiting member 14 abuts against the accommodating groove 1111, and a second end of the limiting member 14 is in threaded connection with the adjusting fastener 15, so that the adjusting fastener 15 abuts against the terminal 111 to push the terminal 111 to approach the insulating heat-conducting member 132 and the cooling unit 12, and thus, the limiting member 14 and the adjusting fastener 15 act together, so that the terminal 111, the cooling unit 12 and the insulating heat-conducting member 132 are in close and effective contact, heat loss is reduced, and heat exchange efficiency of the cooling unit 12 is improved.

Fig. 8 is a cross-sectional view taken along the direction C-C in fig. 3, and referring to fig. 2, 3 and 8, as an alternative embodiment, the charging connection device 1 further includes a temperature sensor 16, and the temperature sensor 16 is attached to the terminal 111 and used for detecting the temperature of the terminal 111. An installation groove 1312 is formed in the inner wall of the housing 131, the temperature sensor 16 is arranged in the installation groove 1312, and heat transfer glue wrapping the temperature sensor 16 is filled in the installation groove 1312.

It should be understood that the temperature sensor 16 is provided in correspondence with the terminals 111 so that the temperature of each terminal 111 can be detected. The temperature sensor 16 is arranged near the heat generating source, so that the temperature measurement of the temperature sensor 16 is faster and more accurate. In a specific implementation, the housing of the temperature sensor 16 may be made of a highly insulating and heat conducting material, such as silicon gel, ceramic, etc., and the embodiment is not limited herein.

The gap is formed between the temperature sensor 16 and the terminal 111, and the heat transfer glue is used for filling the gap between the temperature sensor 16 and the terminal 111, so that the contact between the temperature sensor 16 and the terminal 111 is more sufficient, and the temperature measuring effect of the temperature sensor 16 is better.

As an alternative embodiment, referring to fig. 2, the charging connection device 1 further includes a cover plate 17, and the cover plate 17 covers the side of the cooling unit 12 facing the terminal 111 and forms an isolation cavity for isolating the cooling unit 12 together with the insulating heat-conducting member 132.

It can be understood that the cover plate 17 covers the side of the heat exchanging element 121 facing the terminals 111, and the cover plate 17, the housing 131 and the insulating heat conducting element 132 together enclose an isolation cavity to isolate the heat exchanging element 121 from the two terminals 111, so that the isolation cavity can effectively isolate the high-voltage power cable 11 from the low-voltage cooling unit 12, and the safety of the charging connector or the charging socket can be improved. In specific implementation, the cover plate 17 may be made of the same insulating and heat conducting material as the insulating and heat conducting member 132, such as silicon, ceramic, or an insulating material, such as plastic, rubber, and the like, which is not limited in this embodiment.

The embodiment of the application provides a charging connection device, the charging connector, socket and electric vehicle charge, charging connection device includes the power cable, cooling unit and casing subassembly, the casing subassembly includes housing and insulating heat-conducting piece, the housing encloses into both ends open-ended and holds the chamber, the tip of power cable has the terminal, the power cable, cooling unit and insulating heat-conducting piece are all worn to establish and are fixed in and hold the intracavity, insulating heat-conducting piece is located between power cable and the cooling unit, so that the cooling unit cools off the power cable. Like this, charging connection device can make the rifle or the socket that charges complicated, loaded down with trivial details assembly process simplification, modularization, makes core spare parts such as power cable, cooling unit into a whole, assembles charging connection device to charging connector or charging socket again, can guarantee that the assembly of core spare part is orderly, accurate and safe and reliable.

The embodiment of the application further provides a charging connector, including charging connector casing, joint body 3, electric connection terminal 2 and charging connection device 1, be equipped with the cavity that holds electric connection terminal 2 and charging connection device 1 in the charging connector casing, electric connection terminal 2 is connected in charging connection device 1, and charging connection device 1 installs in joint body 3. The charging connection device 1 is the charging connection device 1 provided in the foregoing embodiments, and the structure, the operation principle, and the main functions of the charging connection device 1 have been described in detail in the foregoing embodiments, and are not described herein again.

It can be understood that the charging connector may be a charging connector on the power supply device, or a charging connector on the device to be charged, or a charging connector provided outside the power supply device and the device to be charged for connecting the charging device and the device to be charged with each other, or a charging connector provided inside the power supply device and the device to be charged for connecting with a power grid or a battery, and the charging connector may be a male connector or a female connector. For example, the charging connector may be a charging gun, or may be a high-voltage connector for connecting a cable of a charging socket to a battery in an electric vehicle.

Here, a charging gun is taken as an example, and as shown in fig. 2 and 4, the electric connection terminal 2 includes a connection bracket 21 and a connection terminal 22, the connection terminal 22 is fixed to the connection bracket 21, the connection bracket 21 and the cover 131 are screwed, the charging connection device 1 assembled in advance is mounted to the joint body 3, and the charging gun housing is mounted to the joint body 3, whereby the assembly of the charging gun can be completed.

The embodiment of the application provides a charging connection device, the charging connector, socket and electric vehicle charge, charging connection device includes the power cable, cooling unit and casing subassembly, the casing subassembly includes housing and insulating heat-conducting piece, the housing encloses into both ends open-ended and holds the chamber, the tip of power cable has the terminal, the power cable, cooling unit and insulating heat-conducting piece are all worn to establish and are fixed in and hold the intracavity, insulating heat-conducting piece is located between power cable and the cooling unit, so that the cooling unit cools off the power cable. Therefore, the charging connecting device can simplify and modularize the complex and fussy assembling process of the charging connector, core parts such as a power cable and a cooling unit are made into a whole, and then the charging connecting device and the electric connecting terminal are assembled to the charging connector, so that the core parts of the charging connector can be assembled orderly, accurately, safely and reliably.

The embodiment of the present application still provides a socket charges, including socket panel 4, electric connection terminal 2 and charging connecting device 1, electric connection terminal 2 is connected in charging connecting device 1, and charging connecting device 1 installs in socket panel 4. The charging connection device 1 is the charging connection device 1 provided in the foregoing embodiments, and the structure, the operation principle, and the main functions of the charging connection device 1 have been described in detail in the foregoing embodiments, and are not described herein again.

Referring to fig. 2 and 4, the electrical connection terminal 2 includes a connection bracket 21 and a connection terminal 22, the connection terminal 22 is fixed on the connection bracket 21, the connection bracket 21 is connected with the housing 131 by a screw, and the charging connection device 1 is mounted on the socket panel 4 in advance, so that the charging socket can be assembled.

The embodiment of the application provides a charging connection device, the charging connector, socket and electric vehicle charge, charging connection device includes the power cable, cooling unit and casing subassembly, the casing subassembly includes housing and insulating heat-conducting piece, the housing encloses into both ends open-ended and holds the chamber, the tip of power cable has the terminal, the power cable, cooling unit and insulating heat-conducting piece are all worn to establish and are fixed in and hold the intracavity, insulating heat-conducting piece is located between power cable and the cooling unit, so that the cooling unit cools off the power cable. Therefore, the charging connecting device can simplify and modularize the complex and fussy assembling process of the charging socket, core parts such as a power cable and a cooling unit are made into a whole, then the charging connecting device and the electric connecting terminal are assembled to the charging socket, and the core parts of the charging socket can be assembled orderly, accurately, safely and reliably.

The present application further provides an electric vehicle, including the charging socket in automobile body and the aforementioned embodiment, the charging socket is connected to the automobile body, is connected socket panel 4 and electric vehicle, can assemble the charging socket to electric vehicle on. And the charging socket has an electrical connection with a battery or the like inside the electric vehicle so that the battery can be charged. The structure, the operation principle and the main functions of the charging socket have been described in detail in the foregoing embodiments, and are not described herein again.

The embodiment of the application provides a charging connection device, the charging connector, socket and electric vehicle charge, charging connection device includes the power cable, cooling unit and casing subassembly, the casing subassembly includes housing and insulating heat-conducting piece, the housing encloses into both ends open-ended and holds the chamber, the tip of power cable has the terminal, the power cable, cooling unit and insulating heat-conducting piece are all worn to establish and are fixed in and hold the intracavity, insulating heat-conducting piece is located between power cable and the cooling unit, so that the cooling unit cools off the power cable. Therefore, the charging connecting device can simplify and modularize the complex and fussy assembling process of the charging socket, core parts such as a power cable and a cooling unit are made into a whole, then the charging connecting device and the electric connecting terminal are assembled to the charging socket, and the core parts of the charging socket can be assembled orderly, accurately, safely and reliably. The electric vehicle adopts the charging socket, so that the reliability of a charging system of the electric vehicle can be improved.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.