CN210182630U - A liquid-cooled charging connector - Google Patents

Abstract

The utility model provides a liquid cooling charging connector, which comprises an outer shell, a high-voltage terminal and a lead; the high-voltage terminal is arranged in the cavity of the outer shell, and one end of the high-voltage terminal penetrates out of the cavity for charging; the wire part penetrates into the cavity and is in compression joint with the high-voltage terminal to form a compression joint area; wherein, the cavity is filled and sealed with heat-conducting glue to cover the crimping area. The utility model has the advantages that: the crimping district that high-pressure terminal and wire formed is in the cavity of shells, behind the embedment heat-conducting glue in the cavity, the cladding crimping district of heat-conducting glue, can fix the anomalous crimping district of high-pressure terminal and wire, make the crimping district obtain good contact, can also increase the heat conduction area of contact in crimping district, and then increase the radiating rate in crimping district, the heat that makes the crimping district produce is convenient for in time dissipate, secondly, can thoroughly keep apart coupling and crimping district, eliminate the sealed insulation problem that the coupling effusion leads to.

Description

A liquid-cooled charging connector

technical field

The utility model relates to the field of connectors, in particular to a liquid-cooled charging connector.

Background technique

In the prior art, the crimping area of the charging connector dissipates a large amount of heat, and due to the irregular shape of the crimping area, the crimping area cannot be well contacted.

Utility model content

Based on the problems of the prior art, the present invention provides a liquid-cooled charging connector.

The utility model provides a liquid-cooled charging connector, which comprises an outer casing, a high-voltage terminal and a wire; the high-voltage terminal is arranged in a cavity of the outer casing, and one end of the high-voltage terminal penetrates the cavity; the wire partially penetrates The cavity is crimped with the high-voltage terminal to form a crimping area; wherein, a thermally conductive glue is encapsulated in the cavity to cover the crimping area.

Further, the liquid-cooled charging connector further includes an outer sheath, a heat-conducting hard tube and a heat-conducting hose; the heat-conducting hard tube is arranged in the cavity and is located around the high-voltage terminal; the outer sheath is connected to the The outer casings are arranged at intervals, and the outer sheath wraps the part of the wire and the part of the heat conduction hose into one body; wherein,

The two ends of the heat-conducting hard tube pass through the cavity and are sealedly connected with the two ends of the heat-conducting hose through pipe joints in the gap between the outer sheath and the outer casing, so that the heat-conducting tube is sealed. The rigid pipe is communicated with the heat conducting hose to form a liquid circuit.

Further, a thermally conductive filler is provided in the gap between the outer sheath, the wire and the thermally conductive hose.

Further, the outer casing is made of thermally conductive insulating material.

Further, the liquid-cooled charging connector further includes a pressing plate, the high-voltage terminal is protruded with a limit wall, and the limit wall divides the high-voltage terminal into a first connection section and a second connection section, the first connection The wire is crimped with the second connecting section to form the crimping area; wherein, the pressing plate is arranged in the cavity and sleeved on the second connecting section, It is used for crimping the limiting wall in the outer casing.

Further, the heat-conducting hard pipe is arranged around the second connecting section, and has a curved shape that is bent multiple times.

Further, the liquid-cooled charging connector further includes a tail cover, the tail cover is arranged on the opening of the cavity, and the wire passes through the tail cover and is pressed against the second connection section of the high-voltage terminal connected, the heat-conducting hard pipe passes through the tail cover and is sealedly connected with the heat-conducting hose.

Further, the outer wall of the outer casing is protruded with a locking protrusion, the tail cover is provided with a locking hole corresponding to the locking protrusion, and the tail cover is engaged with the locking protrusion through the locking hole. , so as to cover the opening of the cavity.

The beneficial effects of the utility model are as follows: the crimping area formed by the high-voltage terminal and the wire is in the cavity of the outer casing. After the heat-conducting glue is encapsulated in the cavity, the heat-conducting glue covers the crimping area, which can press the high-voltage terminal and the wire irregularly. The contact area is fixed, so that the crimp area is in good contact, and the heat conduction contact area of the crimp area can also be increased, thereby increasing the heat dissipation speed of the crimp area, so that the heat generated in the crimp area can be easily dissipated in time.

Description of drawings

1 is a schematic structural diagram of a liquid-cooled charging connector provided by an embodiment of the present invention;

FIG. 2 is an exploded view of a liquid-cooled charging connector provided by an embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, not all of them. Example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

It should be noted that all directional indications (such as up, down, left, right, front, rear, horizontal, vertical, etc.) in the embodiments of the present invention are only used to explain that under a certain posture (as shown in the accompanying drawings) The relative positional relationship, motion, etc. between the various components, if the specific posture changes, the directional indication also changes accordingly. The "connection" can be a direct connection or an indirect connection. The "set", "set on" and "set on" can be directly set on or indirectly set on.

In addition, descriptions such as "first", "second", etc. in the present invention are only used for description purposes, and should not be understood as indicating or implying their relative importance or implicitly indicating the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of such technical solutions does not exist. , is not within the scope of protection required by the present utility model.

1 to 2, FIG. 1 is a schematic structural diagram of a liquid-cooled charging connector provided by an embodiment of the present invention; FIG. 2 is an exploded view of a liquid-cooled charging connector provided by an embodiment of the present invention; In this embodiment, the liquid-cooled charging connector includes an outer casing 10 , a high-voltage terminal 20 and a wire 60 ; the high-voltage terminal 20 is arranged in the cavity 11 of the outer casing 10 and has one end passing through the cavity 11 for charging; part of the wire 60 It penetrates into the cavity 11 and is crimped with the high-voltage terminal 20 to form a crimping area; wherein, the cavity 11 is encapsulated with a thermally conductive adhesive 25 to cover the crimping area.

In this embodiment, the crimping area formed by the high voltage terminal 20 and the wire 60 is in the cavity 11 of the outer casing 10 . After the thermally conductive adhesive 25 is encapsulated in the cavity 11 , the thermally conductive adhesive 25 covers the crimping area, so that the The irregular crimping area of the high-voltage terminal 20 and the wire 60 is fixed, so that the crimping area can be well contacted, and the thermal conduction contact area of the crimping area can also be increased, thereby increasing the heat dissipation speed of the crimping area, so that the crimping area produces The heat is easily dissipated in time.

In an optional embodiment, such as this embodiment, the liquid-cooled charging connector further includes an outer sheath 80 , a thermally conductive hard tube 30 and a thermally conductive hose 70 ; the thermally conductive hard tube 30 is disposed in the cavity 11 and located at the high-voltage terminal 20 The outer sheath 80 is spaced apart from the outer casing 10, and the outer sheath 80 wraps the part of the wire 60 and the part of the heat conduction hose 70 into one body; wherein,

Both ends of the thermally conductive hard tube 30 pass through the cavity 11 and are sealedly connected to both ends of the thermally conductive hose 70 through the pipe joint 40 in the gap between the outer sheath 80 and the outer casing 10 , so that the thermally conductive hard tube 30 and the thermally conductive hose are sealed. 70 communicates the circuit forming the liquid.

In this embodiment, a cooling liquid is provided in the liquid circuit formed by the heat-conducting hard pipe 30 and the heat-conducting hose 70 to increase the heat dissipation effect of the wire 60 and the crimping area. The heat-conducting hard pipe 30 and the heat-conducting hose 70 are sealed and connected in the gap between the outer sheath 80 and the outer casing 10 through the pipe joint 40, which can completely isolate the pipe joint 40 from the crimping area, and eliminate the leakage and accumulation of the pipe joint 40. lead to sealing insulation problems.

In an optional embodiment, such as this embodiment, the heat-conducting hard pipe 30 is manufactured by using a common manufacturing process for brake pipelines and oil circuits in the automotive field, so as to improve the reliability of the heat-conducting hard pipe 30 .

In an optional embodiment, for example, in this embodiment, the pipe joint 40 is connected by the pipe joint 40 connection scheme commonly used in brake pipelines and oil circuits in the automotive field, so as to improve the connection between the heat conduction hard tube 30 and the heat conduction hose 70 . reliability.

In an optional embodiment, such as this embodiment, the thermally conductive hose 70 is made of a material with high thermal conductivity, such as a graphite-based composite material.

In an optional embodiment, for example, in this embodiment, a thermally conductive filler 81 is provided in the gap between the outer sheath 80 , the wire 60 and the thermally conductive hose 70 , so that the thermally conductive hose 70 and the conductive wire 60 are tightly combined, which is beneficial to The heat generated by the wire 60 is removed. In this embodiment, the thermally conductive filler 81 may be a material such as silicon rubber.

In an optional embodiment, such as this embodiment, the outer casing 10 is made of a thermally conductive insulating material, such as a thermally conductive plastic material, to ensure a better natural cooling effect under low power.

In an optional embodiment, such as this embodiment, the liquid-cooled charging connector further includes a pressing plate 24, and the high-voltage terminal 20 is protruded with a limiting wall 22, and the limiting wall 22 divides the high-voltage terminal 20 into the first connecting section 21 and the second connecting section 21. Two connecting sections 23 , the first connecting section 21 passes through the outer casing 10 , and the wire 60 is crimped with the second connecting section 23 to form a crimping area; wherein the pressing plate 24 is arranged in the cavity 11 and sleeved on the second connecting section 23 is used for crimping the limiting wall 22 in the outer casing 10 . Further, the pressing plate 24 is fixed to the outer casing 10 by means of screws 26 .

In an optional embodiment, such as this embodiment, the heat-conducting hard pipe 30 is arranged around the second connecting section 23, and is in a curved shape that is bent multiple times to increase the heat dissipation effect.

In an optional embodiment, such as this embodiment, the liquid-cooled charging connector further includes a tail cover 50 , the tail cover 50 is covered on the opening of the cavity 11 , and the wires 60 pass through the tail cover 50 and the high voltage terminal 20 . The second connecting section 23 is crimped, and the heat-conducting hard tube 30 passes through the tail cover 50 and is sealedly connected to the heat-conducting hose 70 .

In an optional embodiment, for example, in this embodiment, the outer wall of the outer casing 10 is protruded with a locking protrusion 12 , a locking hole 51 is formed on the tail cover 50 corresponding to the locking protrusion 12 , and the tail cover 50 passes through the locking hole 51 It is clamped with the latching protrusion 12 to cover the opening of the cavity 11 .

In an optional embodiment, such as this embodiment, the assembling method of the liquid-cooled charging connector includes the following steps:

S10 , inserting the high-voltage terminal 20 into the cavity 11 of the outer casing 10 , and fixing the high-voltage terminal 20 on the outer casing 10 through the pressing plate 24 .

S20 , crimp the wire 60 on the second connection section 23 of the high-voltage terminal 20 , and set the heat-conducting hard tube 30 in the cavity 11 to surround the second connection section 23 and the wire 60 .

S30 , cover the tail cover 50 on the opening of the cavity 11 , pass the two ends of the thermally conductive hard tube 30 and the wires 60 through the tail cover 50 , and then encapsulate the thermal conductive glue 25 in the cavity 11 to cover and crimp Area.

S40 , wrap the part of the wire 60 and the part of the heat conduction hose 70 into one body through the outer sheath 80 .

S50 , connecting the two ends of the heat-conducting hard pipe 30 and the two ends of the heat-conducting hose 70 through the pipe joint 40 .

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and accompanying drawings of the present invention, or directly or indirectly applied to Other related technical fields are similarly included in the scope of patent protection of the present invention.

Claims (8)

1. The liquid cooling charging connector is characterized by comprising an outer shell, a high-voltage terminal and a lead; the high-voltage terminal is arranged in the cavity of the outer shell, and one end of the high-voltage terminal penetrates out of the cavity; the wire part penetrates into the cavity and is in compression joint with the high-voltage terminal to form a compression joint area; and heat-conducting glue is encapsulated in the cavity to coat the crimping area.

2. The liquid-cooled charging connector of claim 1, further comprising an outer jacket, a thermally conductive rigid tube, and a thermally conductive flexible tube; the heat conduction hard tube is arranged in the cavity and is positioned around the high-voltage terminal; the outer sheath and the outer shell are arranged at intervals, and the outer sheath wraps the part of the lead and the part of the heat-conducting hose into a whole; wherein,

two ends of the heat conduction hard pipe penetrate through the cavity, a gap between the outer sheath and the outer shell is connected with two ends of the heat conduction hose in a sealing mode through pipe joints, and therefore the heat conduction hard pipe is communicated with the heat conduction hose to form a liquid loop.

3. The liquid-cooled charging connector of claim 2, wherein a gap between the outer jacket, the wire, and the thermally conductive hose is provided with a thermally conductive filler.

4. The liquid-cooled charging connector of claim 1, wherein the outer housing is formed of a thermally conductive and electrically insulating material.

5. The liquid-cooled charging connector of claim 2, further comprising a pressure plate, wherein the high-voltage terminal is convexly provided with a limiting wall, the limiting wall divides the high-voltage terminal into a first connecting section and a second connecting section, the first connecting section penetrates through the outer housing, and the lead is crimped with the second connecting section to form the crimping area; the pressing plate is arranged in the cavity and sleeved on the second connecting section, and is used for connecting the limiting wall in the outer shell in a pressing mode.

6. The liquid-cooled charging connector of claim 5, wherein the thermally conductive rigid tube is disposed around the second connecting section and has a multi-bend, bent shape.

7. The liquid-cooled charging connector of claim 5, further comprising a tail cap, wherein the tail cap is disposed on the opening of the cavity, the lead is connected to the second connecting section of the high-voltage terminal through the tail cap in a press-fit manner, and the heat-conducting hard tube is connected to the heat-conducting flexible tube through the tail cap in a sealing manner.

8. The liquid-cooled charging connector as claimed in claim 7, wherein a locking protrusion is protruded from an outer wall of the outer housing, the tail cover has a locking hole corresponding to the locking protrusion, and the tail cover is locked with the locking protrusion through the locking hole to cover the opening of the cavity.

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