CN219163068U

CN219163068U - Liquid-cooled connecting device

Info

Publication number: CN219163068U
Application number: CN202223454662.5U
Authority: CN
Inventors: 王超
Original assignee: Changchun Jetty Automotive Parts Co Ltd
Current assignee: Changchun Jetty Automotive Parts Co Ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-06-09
Anticipated expiration: 2032-12-23

Abstract

The utility model discloses a liquid-cooled connecting device which comprises at least one conductor, a first pipe fitting, a second pipe fitting and a third pipe fitting which are sequentially arranged from inside to outside, wherein a first cavity is formed in the first pipe fitting, a channel is formed between the first pipe fitting and the second pipe fitting, the end parts of the second pipe fitting and the third pipe fitting are connected to form a second cavity, the first cavity, the channel and the second cavity are respectively arranged in an extending direction of the conductor in an extending mode, the conductor is arranged in the channel, and cooling media circulate in the first cavity and the second cavity. The cooling medium flows in the first cavity and the second cavity respectively, so that the heat dissipation area of the conductor is effectively increased, the heat dissipation effect of the conductor is greatly increased, and the conductor can bear larger current-carrying capacity in a specified temperature rise range under the same sectional area.

Description

Liquid-cooled connecting device

Technical Field

The utility model relates to the technical field of cables, in particular to a liquid-cooled connecting device.

Background

With the continuous development of the new energy automobile industry, automobile electrical appliances and other control systems are also continuously developed to be fine in function, complex in structure and diversified, so that various wire harnesses and pipelines penetrate through an automobile body. In the normal use process of the wire harness, current flows through each cable, so that a large amount of heat can be generated by the cables and the connecting joints. When the heat is too large, the conductors, the surrounding connecting pieces and the fixing pieces are easily affected by high temperature to fail, so that the normal use of all electric devices in the automobile is affected, and even accidents such as car burning and the like occur.

Disclosure of Invention

The utility model aims to provide a liquid-cooled connecting device which comprises at least one conductor, a first pipe fitting, a second pipe fitting and a third pipe fitting which are sequentially arranged from inside to outside,

a first cavity is formed in the first pipe fitting, a channel is formed between the first pipe fitting and the second pipe fitting, the end parts of the second pipe fitting and the third pipe fitting are connected to form a second cavity, the first cavity, the channel and the second cavity are respectively arranged in an extending way along the extending direction of the conductor,

the conductor is arranged in the channel, and the cooling medium flows in the first cavity and the second cavity.

Optionally, the plurality of conductors are circumferentially arranged in the channel along the extending direction of the connecting device.

Optionally, the conductor includes a conductive core and an insulating layer wrapped around the conductive core.

Optionally, the conductor further comprises an insulating matrix integrally molded on the periphery of the conductor.

Optionally, a third cavity is further included, and the third cavity is respectively communicated with the first cavity and the second cavity.

Optionally, one of the first cavity or the second cavity is connected with a liquid inlet pipe, and the other cavity is connected with a liquid outlet pipe.

Optionally, two ends of the first cavity and the second cavity are respectively connected with a liquid inlet pipe and a liquid outlet pipe.

Optionally, the second pipe fitting and the third pipe fitting are made of rigid materials.

Optionally, the connector is further arranged at the end part of the connecting device, the outer wall of the third pipe fitting is connected with the inner wall of the connector, and two ends of the conductor extend into the connector and are respectively and electrically connected with a power supply device or an electric device inside the connector.

Optionally, a shielding shell is arranged inside the connector, the third pipe fitting is made of metal, and the third pipe fitting is electrically connected with the shielding shell.

The utility model has the following technical effects:

in the operation process of the connecting device, heat can be generated after current flows through the conductor, so that heat is accumulated in the conductor, cooling mediums are respectively circulated in the first cavity and the second cavity, the heat dissipation area of the conductor is effectively increased, the heat dissipation effect of the conductor is greatly increased, and the conductor can bear larger current-carrying capacity in a specified temperature rise range under the same sectional area.

The second pipe fitting and the third pipe fitting are made of rigid materials, and even if the supporting device is not arranged in the second cavity, the cooling medium can still flow uniformly in the second cavity.

Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments of the utility model, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

FIG. 1 is a radial cross-sectional view of a liquid-cooled connecting device of the present utility model;

FIG. 2 is a radial cross-sectional view of another embodiment of a liquid-cooled connecting device of the present utility model;

FIG. 3 is a longitudinal cross-sectional view of one embodiment of a liquid-cooled connecting device of the present utility model;

fig. 4 is a longitudinal partial cross-sectional view of another embodiment of a liquid-cooled connecting device of the present utility model.

The figures are marked as follows:

1. a first pipe fitting; 2. a second pipe fitting; 3. a third pipe fitting; 4. a liquid inlet pipe; 5. a liquid outlet pipe; 6. a connector; 7. a shield case; 8. a conductor; 10. a first cavity; 20. a second cavity; 30. a third cavity; 40. a channel; 11. a guide core; 12. an insulating layer; 13. an insulating base; 15. and a switching cavity.

Detailed Description

Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.

The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.

Example 1

The utility model provides a liquid-cooled connecting device, as shown in fig. 1-4, includes at least one conductor 8, and from inside to outside first pipe fitting 1, second pipe fitting 2 and third pipe fitting 3 that set gradually, first pipe fitting 1 is inside to form first cavity 10, first pipe fitting 1 with form passageway 40 between the second pipe fitting 2, second pipe fitting 2 with third pipe fitting 3 end connection forms second cavity 20, first cavity 10, passageway 40 and second cavity 20 respectively follow the extending direction extension setting of conductor 8, conductor 8 sets up in passageway 40, first cavity 10 and the interior coolant medium that flows in second cavity 20.

In the operation process of the connecting device, heat is generated after current flows in the conductor 8, so that the heat is accumulated in the conductor 8, cooling mediums are respectively circulated in the first cavity 10 and the second cavity 20, the heat dissipation area of the conductor 8 is effectively increased, the heat dissipation effect of the conductor 8 is greatly increased, and the conductor 8 can bear larger current-carrying capacity in a specified temperature rise range under the same sectional area. The cooling medium may be a liquid such as water or a stationary liquid, an insulating liquid such as silicone oil, or a gas or a mixture of gas and liquid.

Taking the end part of the connecting device as an example for connecting the connector 6, the outer wall of the third pipe fitting 3 is connected with the inner wall of the connector 6, and two ends of the conductor 8 extend into the connector 6 to be respectively electrically connected with a power supply device or an electric device inside the connector 6.

Specifically, as shown in fig. 3, the connection device includes a third cavity 30, and the third cavity 30 communicates with the first cavity 10 and the second cavity 20, respectively. One of the first cavity 10 and the second cavity 20 is connected with the liquid inlet pipe 4, and the other is connected with the liquid outlet pipe 5.

The cooling medium of the cold source flows into the first cavity 10 through the liquid inlet pipe 4, flows into the second cavity 20 through the third cavity 30, and is conveyed back to the cold source through the liquid outlet pipe 5 of the second cavity 20 under the action of the circulating pump, so that the circulation of the cooling medium is realized, and along with the flowing of the cooling medium in the first cavity 10, the second cavity 20 and the third cavity, the heat of the conductor 8 is taken away, so that the cooling of the connecting device is realized. (the cold source can be a cooling liquid stored in a liquid cooling box, and a liquid outlet and a liquid return port are arranged in the liquid cooling box and are used for providing cooling medium for the first cavity 10 and the second cavity 20 and recovering the cooling medium).

In one embodiment, the plurality of conductors 8 are arranged in the channel 40 along the extending direction of the connecting device. The circumferentially arranged conductors are more beneficial to heat dissipation of the conductors 8 and improve heat dissipation effect.

In one embodiment, as shown in fig. 1 and 2, an insulating layer 12 is coated on the outside of the core 11 in order to protect the conductor 8 from insulation.

In one embodiment, the insulation base 13 is further included, and the insulation base 13 is integrally molded on the outer periphery of the conductor 8. The insulating matrix 13 fixes the conductors 8 between the first pipe fitting 1 and the second pipe fitting 2, and a plurality of conductors 8 are arranged in the insulating matrix 13, so that insulation between the conductors can be guaranteed, the conductors 8 can be fixed at preset positions, the conductors 8 are arranged at intervals, and a better heat dissipation effect of the conductors 8 is guaranteed.

In one embodiment, the second pipe 2 and the third pipe 3 are made of rigid materials. As shown in fig. 3 and 4, in a specific application, the two ends of the second pipe fitting 2 and the third pipe fitting 3 are connected together in a closed manner, and are made of rigid materials, and the rigid second pipe fitting 2 and the third pipe fitting 3 have a corresponding supporting function on the second cavity 20, so that even if no supporting device exists in the second cavity 20, the cooling medium can flow uniformly in the second pipe cavity.

Optionally, a shielding shell is disposed inside the connector 6, the third pipe fitting 3 is made of metal, and the third pipe fitting 3 is electrically connected with the shielding shell.

The third pipe fitting 3 is made of metal and is connected with the shielding shell, so that a shielding effect can be achieved on the connecting device assembly, no leakage signal is guaranteed at the connecting position, and the fact that electromagnetic waves or magnetic fields generated by the positive electrode conductor 8 or the negative electrode conductor 8 in the connecting device assembly in the charging process interfere with normal use of other control systems or distortion caused by interference of other electromagnetic fields on signal transmission in the control line in the connecting device is avoided.

Example 2

This embodiment differs from example 1 in that it is shown in fig. 4. The two ends of the first cavity 10 and the second cavity 20 are respectively connected with the liquid inlet pipe 4 and the liquid outlet pipe 5, a switching cavity 15 is arranged in the connector 6, and the conductor 8 passes through the switching cavity 15 to be electrically connected with an electric device or a power supply device.

The first cavity 10 and the second cavity 20 are communicated with the switching cavity 15 in the connector 6, the cold source provides the cooling medium for the first cavity 10, the cooling medium of the cold source flows into the switching cavity 15 through the first cavity 10, the switching cavity 15 is internally provided with a circulating pump, the cooling medium is conveyed back to the cold source through the second cavity 20 under the action of the circulating pump, the circulation of the cooling medium is realized, and the heat of the conductor 8 is taken away along with the flow of the cooling medium in the first cavity 10 and the second cavity 20, so that the cooling of the conductor is realized.

While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims

1. A liquid-cooled connecting device is characterized by comprising at least one conductor, a first pipe fitting, a second pipe fitting and a third pipe fitting which are sequentially arranged from inside to outside,

2. The liquid-cooled connection of claim 1, wherein the plurality of conductors are circumferentially arranged within the channel along the direction of extension of the connection.

3. The liquid cooled connection of claim 2, wherein the conductor comprises a conductive core and an insulating layer wrapped around the conductive core.

4. The liquid cooled connection of claim 3, further comprising an insulating matrix integrally molded around the periphery of the conductor.

5. The liquid cooled connection of claim 1, further comprising a third cavity in communication with the first cavity and the second cavity, respectively.

6. The liquid-cooled connecting device of claim 5, wherein one of the first cavity or the second cavity is connected to a liquid inlet pipe, and the other cavity is connected to a liquid outlet pipe.

7. The liquid-cooled connecting device of claim 1, wherein two ends of the first cavity and the second cavity are connected to a liquid inlet pipe and a liquid outlet pipe, respectively.

8. The liquid cooled connection of claim 1, wherein the second tube and the third tube are rigid.

9. The liquid-cooled connecting device according to claim 8, further comprising a connector provided at an end of the connecting device, wherein an outer wall of the third pipe is connected to an inner wall of the connector, and both ends of the conductor extend into the connector to be electrically connected to a power supply or a power utilization device inside the connector, respectively.

10. The liquid-cooled connector of claim 9, wherein a shielding housing is disposed inside the connector, the third tube is made of metal, and the third tube is electrically connected to the shielding housing.