CN219717292U - Terminal assembly and charging equipment - Google Patents

Abstract

The utility model discloses a terminal assembly and charging equipment, wherein the terminal assembly comprises a cooling part, a terminal and a cable, wherein a cooling flow channel, an inlet and an outlet which are communicated with the cooling flow channel are formed in the cooling part; the terminal is attached to the cooling part; the cable is internally provided with a conductive medium and a cooling pipe, the conductive medium is arranged on the periphery of the cooling pipe, the cooling pipe is communicated with the cooling flow passage, and the conductive medium is connected with the terminal. According to the terminal assembly, the cooling part is arranged, the cooling flow channel in the cooling part is communicated with the cooling pipe in the cable, and cooling liquid can flow in the cooling flow channel and the cooling pipe, so that the temperature rise of the terminal and the conductive medium is reduced, and the current carrying capacity is improved.

Description

Terminal assembly and charging equipment

Technical Field

The utility model relates to the field of charging equipment, in particular to a wiring terminal assembly and charging equipment.

Background

The electric automobile is an important component in the new energy automobile, the charging speed is slower than the oiling speed, and the mode of improving the charging speed mainly comprises two modes of improving the current and improving the voltage. Wherein, the pencil adds thick can increase whole car cost under the heavy current, reduces the convenience of using.

In the related art, the current carrying capacity of the charging system is limited, which prevents the charging system from realizing high-power charging by increasing the current.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. To this end, an object of the present utility model is to propose a terminal assembly. According to the terminal assembly, the cooling part is arranged, the cooling flow channel in the cooling part is communicated with the cooling pipe in the cable, and cooling liquid can flow in the cooling flow channel and the cooling pipe, so that the temperature rise of the terminal and the conductive medium is reduced, and the current carrying capacity is improved.

The utility model further provides charging equipment with the terminal assembly.

The terminal assembly according to the present utility model includes: a cooling part, wherein a cooling flow channel, an inlet and an outlet communicated with the cooling flow channel are formed in the cooling part; a terminal attached to the cooling portion; the cable is internally provided with a conductive medium and a cooling pipe, the conductive medium is arranged on the periphery of the cooling pipe, the cooling pipe is communicated with the cooling flow channel, and the conductive medium is connected with the terminal; the cooling section includes: a housing in which a receiving chamber is formed; the baffle, the baffle set up in hold the intracavity and with hold the chamber and separate into first cavity and the second cavity that communicates each other, first cavity with the import intercommunication, the second cavity with the export intercommunication.

According to the terminal assembly, the cooling part is provided, the cooling flow channel is formed in the cooling part, cooling liquid can flow into the cooling flow channel through the inlet and flow out of the cooling flow channel through the outlet, the terminal is attached to the cooling part, and heat generated by the operation of the terminal can be taken away by the flow of the cooling liquid in the cooling flow channel, so that the temperature rise of the terminal is reduced. Simultaneously, cooling runner and the cooling tube that sets up in the cable communicate, and the coolant flowing from cooling runner flows into the cooling tube, and the conducting medium sets up in the periphery of cooling tube, and the heat that the current produced through the conducting medium can be taken away in the flow of coolant in the cooling tube, reduces the temperature rise of conducting medium. The temperature rise of the terminal and the conductive medium is reduced, so that the current carrying capacity of the terminal assembly can be improved, and the high-power charging of the charging system is realized, the cost is low, and the use convenience is high.

According to some embodiments of the utility model, the baffle has a flow-guiding rib formed thereon, the flow-guiding rib being disposed on at least one side surface of the baffle and defining the cooling flow passage in the first cavity and/or the second cavity.

According to some embodiments of the utility model, the partition is formed with a communication hole that communicates the first chamber with the second chamber.

According to some embodiments of the utility model, the guide ribs are configured into a plurality of guide ribs arranged in the first cavity at intervals, one end of each guide rib is connected with the inner wall of the accommodating cavity, and the other end of each guide rib is arranged at intervals with the inner wall of the accommodating cavity.

According to some embodiments of the utility model, a third cavity isolated from the first cavity and the second cavity is formed inside the partition, and at least part of the terminal is accommodated in the third cavity and is adhered to the partition.

According to some embodiments of the utility model, the terminal assembly further comprises: the connecting pipe is arranged on the outer surface of the shell and is communicated with the first cavity, the cooling pipe is communicated with the second cavity, and the connecting pipe and the cooling pipe are arranged on the same side surface of the shell.

According to some embodiments of the utility model, the terminal assembly further comprises: and the insulating piece is coated on the periphery of the conductive medium.

According to some embodiments of the utility model, the terminal assembly further comprises: and the insulating coating part is coated on the periphery of the connecting part and at least part of the insulating part.

According to some embodiments of the utility model, the terminal assembly further comprises: the terminal is connected to the one end of connecting piece, the other end of connecting piece is connected electrically conductive medium and at least part set up in between the insulating part with electrically conductive medium.

According to some embodiments of the utility model, the free end of the connecting tube and/or the free end of the cooling tube is provided with a snap-in protrusion.

The charging device according to the present utility model is briefly described below.

The charging device according to the present utility model includes the terminal assembly described in any one of the embodiments described above. Since the charging device according to the present utility model includes the terminal assembly described in any one of the embodiments described above, the terminal assembly according to the present utility model improves the current carrying capacity by reducing the temperature rise of the terminal and the conductive medium, improves the maximum power of the charging device, improves the charging efficiency, reduces the charging time, and is low in cost and high in convenience.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic structural view of a terminal assembly according to an embodiment of the present utility model;

fig. 2 is an exploded view of a terminal assembly according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a first cavity according to an embodiment of the present utility model;

fig. 4 is a cross-sectional view of a second cavity according to an embodiment of the present utility model.

Reference numerals:

a terminal assembly 1;

cooling unit 11, case 111, partition 112, guide rib 1121, and communication hole 1122;

a terminal 12;

a cable 13, a conductive medium 131, a cooling tube 132;

a connecting pipe 14, an insulating member 15, and a connecting member 16.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

A terminal assembly 1 according to an embodiment of the present utility model is described below with reference to fig. 1 to 4.

As shown in fig. 1 and 2, a terminal assembly 1 according to the present utility model includes a cooling portion 11, a terminal 12, and a cable 13, the cooling portion 11 having a cooling flow passage formed therein, and an inlet and an outlet communicating with the cooling flow passage; the terminal 12 is bonded to the cooling portion 11; the cable 13 is provided with a conductive medium 131 and a cooling tube 132, the conductive medium 131 is provided on the outer periphery of the cooling tube 132, the cooling tube 132 is communicated with the cooling flow passage, and the conductive medium 131 is connected with the terminal 12.

In the related art, the current carrying capacity of the charging system is limited, which prevents the charging system from realizing high-power charging by increasing the current. The current carrying capacity of the charging system can be improved by thickening the wire harness, but the cost is increased, and the use convenience is reduced.

Therefore, in the terminal assembly 1 of the present utility model, the cooling part 11 is provided, the cooling part 11 is internally provided with the cooling flow channel, the cooling liquid can flow into the cooling flow channel through the inlet and flow out of the cooling flow channel through the outlet, the terminal 12 is attached to the cooling part 11, and the heat generated by the operation of the terminal 12 can be taken away by the flow of the cooling liquid in the cooling flow channel, so that the temperature rise of the terminal 12 is reduced. Meanwhile, the cooling flow channel is communicated with the cooling pipe 132 arranged in the cable 13, the cooling liquid flowing out of the cooling flow channel flows into the cooling pipe 132, the conductive medium 131 is arranged on the periphery of the cooling pipe 132, and the cooling liquid flowing in the cooling pipe 132 can take away heat generated by the current passing through the conductive medium 131, so that the temperature rise of the conductive medium 131 is reduced. The temperature rise of the terminal 12 and the conductive medium 131 is reduced, so that the current carrying capacity of the terminal assembly 1 can be improved, and the high-power charging of the charging system is realized, the cost is low, and the use convenience is high.

In addition, the conductive medium 131 is disposed on the periphery of the cooling tube 132, part of the heat of the conductive medium 131 is taken away by the cooling tube 132, and the other part of the heat of the conductive medium 131 is dissipated to the atmosphere, so that the heat dissipation performance of the conductive medium 131 can be improved due to the increase of the heat dissipation path.

Therefore, in the terminal assembly 1 of the present utility model, by providing the cooling portion 11, the cooling flow passage in the cooling portion 11 communicates with the cooling tube 132 in the cable 13, and the cooling liquid can flow in the cooling flow passage and the cooling tube 132, so that the temperature rise of the terminal 12 and the conductive medium 131 is reduced, and the current carrying capacity is improved.

As shown in fig. 2 to 4, according to the terminal assembly 1 of the present utility model, the cooling portion 11 includes a housing 111 and a partition 112, and a housing cavity is formed in the housing 111; the partition 112 is disposed in the accommodating chamber and divides the accommodating chamber into a first chamber and a second chamber which are communicated with each other, the first chamber being communicated with the inlet, the second chamber being communicated with the outlet. The holding cavity is suitable for holding the coolant liquid, and the baffle 112 separates the holding cavity into first cavity and second cavity that communicate each other, and the coolant liquid flows into the second cavity and flows out of the holding cavity after flowing into first cavity, can prolong the time that the coolant liquid flows in holding cavity, makes the coolant liquid fully flow on the inner wall that holds the cavity, improves the heat absorption capacity of coolant liquid.

According to some embodiments of the present utility model, as shown in fig. 3 and 4, the baffle 112 is formed with a flow guiding rib 1121, and the flow guiding rib 1121 is disposed on at least one side surface of the baffle 112 and defines a cooling flow passage in the first cavity and/or the second cavity. The partition 112 is formed with a flow guide rib 1121, and the flow guide rib 1121 defines a cooling flow passage in the accommodating chamber. The extending direction of the flow guiding rib 1121 is related to the extending direction of the cooling flow channel, and by providing the flow guiding rib 1121, the flow direction of the cooling liquid in the accommodating cavity can be controlled.

According to some embodiments of the present utility model, as shown in fig. 3 and 4, a communication hole 1122 that communicates the first chamber with the second chamber is formed on the partition 112. The communication hole 1122 serves as a passage through which the coolant flows from the first chamber to the second chamber, and the terminal assembly 1 realizes communication between the first chamber and the second chamber by providing the communication hole 1122.

In some embodiments, the first cavity is higher than the second cavity, and the communication hole 1122 extends in the height direction. The gravitational potential energy of the cooling liquid in the first cavity is larger than that of the cooling liquid in the second cavity, and the flowing of the cooling liquid from the first cavity to the second cavity can convert the gravitational potential energy into kinetic energy, so that the flowing of the cooling liquid in the accommodating cavity is facilitated. Because of the height difference between the first and second cavities, the communication hole 1122 is configured to communicate the first and second cavities by extending in the height direction.

According to some embodiments of the present utility model, as shown in fig. 3 and 4, the guide ribs 1121 are configured in a plurality of spaced apart in the first cavity, one end of each guide rib 1121 is connected to the inner wall of the receiving cavity, and the other end of the guide rib 1121 is spaced apart from the inner wall of the receiving cavity. The plurality of guide ribs 1121 are spaced apart from each other to form a plurality of gaps, and the plurality of gaps are communicated with each other to form a cooling flow passage. One end of the flow guide rib 1121 is connected with the inner wall of the accommodating cavity, and the other end of the flow guide rib 1121 and the inner wall of the accommodating cavity form a space to realize mutual communication of a plurality of gaps. The plurality of guide ribs 1121 are configured to increase the contact area between the coolant and the cooling portion 11 and to increase the heat dissipation performance of the terminal assembly 1.

In some embodiments, some of the flow-guiding ribs 1121 are spaced apart from each other, another part of the flow-guiding ribs 1121 is connected to the flow-guiding ribs 1121 spaced apart from each other, and the plurality of flow-guiding ribs 1121 cooperate with each other to form a cooling flow channel. The extending direction of the cooling flow channel is related to the arrangement of the flow guiding ribs 1121, and the width of the flow guiding ribs 1121 at intervals is related to the sectional area of the cooling flow channel, so that the terminal assembly 1 can control the flow direction and flow rate of the cooling liquid by arranging a plurality of flow guiding ribs 1121.

According to some embodiments of the present utility model, a third cavity isolated from the first cavity and the second cavity is formed inside the separator 112, and at least a portion of the terminal 12 is accommodated in the third cavity and is disposed in a fitting manner with the separator 112. The third cavity is located between first cavity and the second cavity, and the outer wall of first cavity and second cavity is regarded as to the inner wall of third cavity, through setting up at least partial terminal 12 in the third cavity, and the coolant liquid in first cavity and the second cavity cools down terminal 12 jointly, and the cooling effect is good.

In some embodiments, the cooling portion 11 is made of a highly thermally conductive, highly insulating material. Since the terminal 12 has conductivity, at least a part of the terminal 12 is accommodated in the third cavity, and heat dissipation performance and insulation performance of the terminal assembly 1 can be improved.

According to some embodiments of the present utility model, the terminal assembly 1 further includes a connection pipe 14, the connection pipe 14 is disposed on an outer surface of the housing 111 and communicates with the first cavity, the cooling pipe 132 communicates with the second cavity, and the connection pipe 14 and the cooling pipe 132 are disposed on the same side surface of the housing 111. The connection pipe 14 is in communication with the first cavity and is adapted to be connected with a coolant pipe for transferring coolant of the cooling system into the receiving cavity; the cooling tube 132 communicates with the second cavity and is adapted to convey the cooling liquid in the receiving cavity to the cooling system. The connection pipe 14 and the cooling pipe 132 realize circulation flow of the cooling liquid between the cooling portion 11 and the cooling system by transporting the cooling liquid. By providing the connection pipe 14 and the cooling pipe 132 on the same side surface of the housing 111, it is possible to facilitate the connection of the connection pipe 14 and the cooling pipe 132 to the cooling system at the same time.

In some embodiments, the terminal 12 has a connection portion adapted to be connected to the counterpart, and the connection portion and the cooling tube 132 are respectively located at two sides of the cooling portion 11, and by disposing the connection tube 14 and the cooling tube 132 on the same side surface of the housing 111, the influence of the connection tube 14 and the cooling tube 132 on the connection of the terminal 12 to the counterpart can be reduced, so that the connection of the terminal 12 to the counterpart through the connection portion is facilitated.

According to some embodiments of the present utility model, as shown in fig. 2, the terminal assembly 1 further includes an insulating member 15, and the insulating member 15 is coated on the outer circumference of the conductive medium 131. The terminal assembly 1 is provided with the insulating piece 15, the insulating piece 15 is coated on the periphery of the conductive medium 131 to isolate the conductive medium 131 from the outside, the risk of accidents such as electric leakage, short circuit, electric shock and the like caused by contact of the conductive medium 131 with the outside is reduced, and the insulating performance is improved.

According to some embodiments of the present utility model, as shown in fig. 1, the terminal assembly 1 further includes a connection member 16, one end of the connection member 16 is connected to the terminal 12, and the other end of the connection member 16 is connected to the conductive medium 131 and is at least partially disposed between the insulating member 15 and the conductive medium 131.

In the related art, since the conductive medium is disposed at the outer periphery of the cooling tube, the terminal is attached to the cooling portion, which may cause the terminal to be spaced from the conductive medium, even with a height difference.

In the embodiment of the present utility model, the terminal assembly 1 connects the terminal 12 with the conductive medium 131 by providing the connection member 16, the connection member 16. And since the connection member 16 is conductive, by disposing at least part of the connection member 16 between the insulating member 15 and the conductive medium 131, the risk of the connection member 16 coming into contact with the outside can be reduced.

The connector 16 and the terminal 12 may be welded or press-connected. The present utility model is not limited to the manner in which the connector 16 is connected to the terminal 12.

According to some embodiments of the present utility model, the terminal assembly 1 further comprises an insulating coating member, which is coated on the outer circumference of the connecting member 16 and at least part of the insulating member 15. The terminal assembly 1 is provided with the insulating coating piece, the connecting piece 16 is isolated from the outside by the insulating coating piece, the risk of the connecting piece 16 contacting with the outside is further reduced, and the insulating performance of the terminal assembly 1 is improved. The coating of the insulating coating on the outer circumference of at least part of the insulating member 15 can make the insulating effect of the insulating coating more reliable. The insulating cladding member can be used for respectively connecting the connecting member 16 and the insulating member 15 by using a heat conducting material to mold the gap, and can also be used for respectively bonding the connecting member 16 and the insulating member 15 by heat conducting insulating glue, so that the connection strength and the heat conducting performance are improved.

According to some embodiments of the utility model, the free end of the connecting tube 14 and/or the free end of the cooling tube 132 is provided with a snap-fit protrusion. One end of the connection pipe 14 and one end of the cooling pipe 132 are connected to the cooling unit 11, and the other end is connected to the cooling system. Through setting up the joint arch at the free end of connecting pipe 14 and/or the free end of cooling tube 132, be provided with the joint recess correspondingly on the butt joint pipeline of connecting pipe 14 and/or cooling tube 132, the joint arch realizes the pipe connection with the cooperation of joint recess, facilitates the connection, improves joint strength, promotes the sealing performance of junction.

The charging device according to the present utility model is briefly described below.

The charging device according to the present utility model includes the terminal assembly 1 in any one of the embodiments described above. Since the charging device according to the present utility model includes the terminal assembly 1 in any one of the above embodiments, the charging device according to the present utility model has the terminal assembly 1 to improve the current carrying capacity by reducing the temperature rise of the terminal 12 and the conductive medium 131, to improve the maximum power of the charging device, to improve the charging efficiency, to reduce the charging time, to have low cost, and to have high convenience.

In some embodiments, the charging device is configured as a charging socket, a charging gun, or a connector.

With the increasing accommodation of the battery of the new energy automobile, the charging equipment can be used for the new energy automobile, shortens the charging time and relieves the charging anxiety.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the utility model, a "first feature" or "second feature" may include one or more of such features.

In the description of the present utility model, "plurality" means two or more.

In the description of the utility model, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.

In the description of the utility model, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Claims (11)

1. A terminal assembly, comprising:

a cooling unit (11), wherein a cooling flow passage, and an inlet and an outlet which are communicated with the cooling flow passage are formed in the cooling unit (11);

a terminal (12), wherein the terminal (12) is attached to the cooling unit (11);

a cable (13), wherein a conductive medium (131) and a cooling tube (132) are arranged in the cable (13), the conductive medium (131) is arranged on the periphery of the cooling tube (132), the cooling tube (132) is communicated with the cooling flow channel, and the conductive medium (131) is connected with the terminal (12);

the cooling unit (11) comprises:

a housing (111), wherein a receiving chamber is formed in the housing (111);

the baffle (112), baffle (112) set up in hold the intracavity and with hold the chamber and divide into first cavity and the second cavity that communicates each other, first cavity with the import intercommunication, the second cavity with the export intercommunication.

2. The terminal assembly according to claim 1, wherein the separator (112) has a flow guiding rib (1121) formed thereon, the flow guiding rib (1121) being provided on at least one side surface of the separator (112) and defining the cooling flow passage in the first cavity and/or the second cavity.

3. The terminal assembly according to claim 2, wherein the separator (112) has a communication hole (1122) formed therein for communicating the first cavity with the second cavity.

4. The terminal assembly of claim 2, wherein the flow-guiding ribs (1121) are configured in a plurality of spaced-apart arrangement within the first cavity, one end of each flow-guiding rib (1121) is connected to the inner wall of the receiving cavity, and the other end of the flow-guiding rib (1121) is spaced-apart from the inner wall of the receiving cavity.

5. A terminal assembly according to claim 2, wherein a third cavity isolated from the first and second cavities is formed inside the separator (112), and at least part of the terminal (12) is accommodated in the third cavity and is fitted to the separator (112).

6. A terminal assembly according to claim 5, further comprising: the connecting pipe (14), connecting pipe (14) set up in the surface of casing (111) and with first cavity intercommunication, cooling tube (132) with second cavity intercommunication, connecting pipe (14) with cooling tube (132) set up in the homonymy surface of casing (111).

7. A terminal assembly according to claim 6, further comprising: and an insulating member (15), wherein the insulating member (15) is coated on the periphery of the conductive medium (131).

8. A terminal assembly according to claim 7, further comprising: the connecting piece (16), one end of connecting piece (16) is connected terminal (12), the other end of connecting piece (16) is connected electrically conductive medium (131) and at least part set up in between insulating piece (15) and electrically conductive medium (131).

9. A terminal assembly according to claim 8, further comprising: and the insulating coating part is coated on the peripheries of the connecting part (16) and at least part of the insulating part (15).

10. A terminal assembly according to claim 6, characterized in that the free end of the connecting tube (14) and/or the free end of the cooling tube (132) is provided with snap-in protrusions.

11. A charging device characterized by comprising a terminal assembly (1) according to any one of claims 1-10.