CN220647088U

CN220647088U - Switching structure and battery pack

Info

Publication number: CN220647088U
Application number: CN202321871492.2U
Authority: CN
Inventors: 刘峰; 陈保国; 彭月猛; 李湘; 董兴宇; 梁宏伟
Original assignee: Tianjin EV Energies Co Ltd
Current assignee: Tianjin EV Energies Co Ltd
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2024-03-22
Anticipated expiration: 2033-07-17

Abstract

The utility model belongs to the technical field of battery cooling, and discloses a switching structure and a battery pack. The switching structure comprises: the device comprises a transfer tube, an elastic layer and a fixing component. The two ends of the transfer tube are respectively provided with a transfer port, and a male connector is inserted into each transfer port and is used for communicating with a water cooling tube of the battery pack; the elastic layer is arranged on the inner wall of the transfer tube; one side of each male connector, which is inserted into the adapter, is provided with a fixing component, and the fixing component is in interference fit with the elastic layer so as to fix the male connector in the adapter and keep the sealing between the adapter and the male connector. When the switching structure is used, sealing connection of two adjacent sections of pipelines can be realized only by inserting the male connector into the corresponding switching port, so that the complexity of the connection structure between the two sections of pipelines is effectively simplified, the cost of pipeline connection consumption can be effectively reduced, and the weight of the connected pipelines can be reduced.

Description

Switching structure and battery pack

Technical Field

The utility model relates to the technical field of battery cooling, in particular to a switching structure and a battery pack.

Background

The battery pack is a core component of a new energy automobile, and a plurality of battery cells are assembled together to form a single physical module so as to provide higher voltage and capacity. The cooling mode of the battery pack mainly comprises natural cooling, forced air cooling, liquid cooling, direct cooling and the like. The liquid cooling mode is widely applied due to factors such as cooling efficiency and the like.

Among the prior art, the liquid cooling system of battery package includes a plurality of equipment that connect gradually by the pipeline, can set up quick connector in the interface department of pipeline to with the water inlet or the delivery port intercommunication of corresponding equipment, still can set up seal spare isotructure between quick connector and corresponding pipeline, with the connection leakproofness and the stability of guaranteeing the two.

When the quick connector is used, as the quick connector can be used, structures such as sealing elements and the like are required to be correspondingly arranged, the structural complexity of the multi-section pipeline after connection is increased, the cost is increased, the weight is increased, and the overall cost and the weight of the battery pack are increased.

Disclosure of Invention

The utility model aims to provide a switching structure and a battery pack, which solve the problems that in a cooling system of the battery pack in the prior art, the quick connector is required to be provided with a sealing element and other structures when in use, so that the structural complexity of a pipeline is increased, the cost and the weight are correspondingly increased, and the overall cost and the weight of the cooling system are increased.

To achieve the purpose, the utility model adopts the following technical scheme:

in a first aspect, the present utility model provides a switching structure, comprising:

the two ends of the transfer pipe are respectively provided with a transfer port, and each transfer port is internally inserted with a male connector which is used for being communicated with a water cooling pipe of the battery pack;

the elastic layer is arranged on the inner wall of the transfer tube; and

and each male connector is inserted into the outer wall of the adapter, and is provided with a fixing component which is in interference fit with the elastic layer so as to fix the male connector in the adapter and keep the seal between the adapter tube and the male connector.

Optionally, the fixing assembly includes:

the flanges are arranged on the outer side wall of the male connector at intervals along the axial direction of the male connector, and one side, away from the male connector, of the flange abuts against the elastic layer.

Optionally, the outer side wall of the flange is an inclined surface, and the inclined surface is arranged upwards in an inclined manner along the axial direction of the male connector and towards the direction away from the end part of the male connector.

Optionally, the flange is in an annular cone structure, and the flange is circumferentially arranged along the male connector.

Optionally, two flanges are provided, and the two flanges are distributed at intervals along the axial direction of the male connector.

Optionally, each male connector is sleeved with a limiting ring, and the limiting rings are fixedly arranged on one side, away from the end part of the male connector, of the fixing assembly.

Optionally, the adapter tube is made of hard plastic; the elastic layer is made of soft rubber.

Optionally, the flange and the limiting ring are both integrally formed with the male connector.

In a second aspect, the present utility model provides a battery pack comprising:

a plurality of cooling devices; and

the battery body is communicated with a plurality of cooling devices through the water cooling pipes and the switching structure according to any one of the first aspect.

The utility model has the beneficial effects that:

according to the first aspect, after the male connector is inserted into the adapter tube, the elastic layer and the fixing component are arranged, the fixing component and the elastic layer are mutually abutted, so that the male connector can be fixed in the adapter tube, and the sealing between the adapter tube and the male connector can be maintained. When the switching structure is used, sealing connection of two adjacent sections of pipelines can be realized only by inserting the male connector into the corresponding switching port, so that the complexity of the connection structure between the two sections of pipelines is effectively simplified, the cost of pipeline connection consumption can be effectively reduced, and the weight of the connected pipelines can be reduced.

In the second aspect, in the battery pack, the communication of the circulating runner is realized through the switching structure, so that the joint of the water cooling pipes does not need to be provided with a sealing piece and other structures independently, the complexity of the integral structure of the runner is facilitated to be simplified, and the integral cost and weight reduction of the battery pack are facilitated.

Drawings

FIG. 1 is a schematic view of a structure of a joint structure according to some embodiments of the present utility model;

FIG. 2 is a cross-sectional view of a transition structure in some embodiments of the utility model;

FIG. 3 is a schematic illustration of a male connector in a joint structure according to some embodiments of the present utility model;

fig. 4 is a cross-sectional view of a male connector in a joint structure in some embodiments of the utility model.

In the figure:

1. a transfer tube; 11. a transfer port; 2. an elastic layer; 3. a fixing assembly; 31. a flange; 4. a male connector; 41. and a limiting ring.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, 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 indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The utility model provides a switching structure and a battery pack.

Referring to fig. 1 and 2, the adapter structure includes an adapter tube 1, an elastic layer 2, and a fixing assembly 3. The two ends of the adapter tube 1 are respectively provided with an adapter 11, and a male connector 4 is inserted into each adapter 11, and the male connector 4 is used for communicating with a water cooling tube of the battery pack; the elastic layer 2 is arranged on the inner wall of the transfer tube 1; each male connector 4 is inserted into the outer wall of the adapter 11 and is provided with a fixing component 3, and the fixing component 3 is in interference fit with the elastic layer 2 so as to fix the male connector 4 in the adapter 11 and keep the sealing between the adapter 1 and the male connector 4.

Specifically, the adapter tube 1 is made of hard plastic, such as PA12 (nylon 12) or the like. The elastic layer 2 may be made of soft rubber, such as TPE rubber (thermoplastic elastomer). The ejecting layer is also hollow and cylindrical and is fixed on the inner side wall of the adapter tube 1 by bonding. The cross-sectional area of the openings at the two ends of the adapter tube 1 is gradually increased to form a conical adapter 11, so that the male connector 4 is convenient to insert. One end of the male connector 4 is inserted into the adapter tube 1 through the adapter 11, the other end of the male connector is positioned outside the adapter tube 1 and is communicated with the water cooling tube of the battery pack, and the male connector 4 and the water cooling tube can be fixed through welding or bonding. The above-mentioned fixed component 3 is set on one side of the male connector 4 inserted into the adapter 11, and the fixed component 3 forms interference fit with the elastic layer 2, so that the male connector 4 is sealed and fixed in the adapter 1.

Through the setting of elastic layer 2 and fixed subassembly 3 for after male joint 4 inserts adapter 1, fixed subassembly 3 supports with elastic layer 2 each other tightly, thereby just can fix the male joint 4 in adapter 1, but also can keep the seal between adapter 1 and the male joint 4. When the switching structure is used, sealing connection of two adjacent sections of pipelines can be realized only by inserting the male connector 4 into the corresponding switching port 11, so that the complexity of the connection structure between the two sections of pipelines is effectively simplified, the cost of pipeline connection consumption can be effectively reduced, and the weight of the connected pipelines can be reduced.

Referring to fig. 3 and 4, in some embodiments of the utility model, the securing assembly 3 includes a plurality of flanges 31. The flanges 31 are arranged on the outer side wall of the male connector 4 at intervals along the axial direction of the male connector 4, and one side, away from the male connector 4, of the flanges 31 abuts against the elastic layer 2. The outer side wall of the flange 31 is an inclined surface which is provided obliquely upward in the axial direction of the male connector 4 in a direction away from the end of the male connector 4.

As shown, the flange 31 has an annular tapered structure, and the flange 31 is circumferentially disposed around the male connector 4.

Specifically, the flange 31 and the male connector 4 may be integrally formed, so as to facilitate the production and processing of the male connector 4 and facilitate the later assembly and fixation. The flanges 31 may be provided in two, and the two flanges 31 are spaced apart in the axial direction of the male connector 4. The flange 31 may have a V-shaped cross section to form the above-mentioned insertion slope on the side surface thereof, and the inclination angle of the specific insertion slope may be designed according to the size of the actual flange 31, which is not limited by the present utility model. The outer diameter of the male connector 4 is larger than the inner diameter of the elastic layer 2, so that the outer side wall of the male connector 4 can be abutted against the elastic layer 2, and the flange 31 presses the elastic layer 2 so that the inner wall of the elastic layer 2 deforms along with the shape of the flange 31.

By providing the flange 31, the male connector 4 can be kept relatively fixed with the adapter tube 1 by the interference fit between the flange 31 and the elastic layer 2 when the male connector 4 is inserted into the adapter tube 1. Moreover, as the two flanges 31 distributed at intervals can abut against the elastic layer 2, the elastic layer 2 correspondingly deforms, and the inner side wall of the elastic layer 2 can keep abutting against the flanges 31, so that the sealing connection between the male connector 4 and the adapter tube 1 is ensured, and structures such as sealing elements and the like are not required to be independently arranged.

In some embodiments of the present utility model, each male connector 4 is sleeved with a limiting ring 41, the limiting rings 41 are fixedly arranged on one side of the fixing component 3 away from the end of the male connector 4, and the limiting rings 41 can be clamped with the elastic layer 2. Specifically, the outer side wall of the male connector 4 is provided with the limiting ring 41, and the limiting ring can be integrally formed, so that the male connector 4 can be conveniently processed and produced. The limiting ring 41 is located at the middle position of the male connector 4, and the cross section of the limiting ring is rectangular. By arranging the limiting ring 41, when the male connector 4 is inserted into the adapter 11, the limiting ring 41 can form clamping connection with the elastic layer 2, so that the depth of the male connector 4 inserted into the adapter 1 is limited.

The battery pack includes a plurality of cooling devices and a battery main body. The battery body is communicated with the plurality of cooling devices through the water cooling pipes and the switching structure in any embodiment. Specifically, the plurality of cooling devices comprise devices such as a water cooling tank, a water pump, a filter, a condenser and the like, the male connectors 4 are arranged at the water inlet and the water outlet of the devices, the male connectors 4 are also arranged corresponding to the water cooling pipe, and two adjacent male connectors 4 are connected together through the transfer pipe 1 to form a flow channel for cooling water to flow. As the cooling water flows through the battery pack, the battery pack can be cooled smoothly. It should be understood that the specific flow channel configuration and layout manner can be designed according to the actual application scenario, and the present utility model is not limited in particular.

In this battery package, realize the intercommunication of circulation runner through this switching structure for the junction of water-cooled tube no longer need set up structures such as sealing member alone, is favorable to simplifying the complexity of runner holistic structure, and then is favorable to battery package holistic cost and weight reduction.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. A switching structure, comprising:

the battery pack comprises a transfer pipe (1), wherein two ends of the transfer pipe (1) are respectively provided with a transfer port (11), a male connector (4) is inserted into each transfer port (11), and the male connector (4) is used for being communicated with a water cooling pipe of the battery pack;

an elastic layer (2) arranged on the inner wall of the transfer tube (1); and

and the fixing assemblies (3) are arranged on the outer walls of the transfer ports (11) in a manner that the male connectors (4) are inserted into the transfer ports (11), and the fixing assemblies (3) are in interference fit with the elastic layers (2) so as to fix the male connectors (4) in the transfer ports (11) and keep the sealing between the transfer pipes (1) and the male connectors (4).

2. The transit structure according to claim 1, characterized in that said fixed assembly (3) comprises:

the flanges (31) are arranged on the outer side wall of the male connector (4) at intervals along the axial direction of the male connector (4), and one side, away from the male connector (4), of the flange (31) is abutted against the elastic layer (2).

3. The transfer structure according to claim 2, characterized in that the outer side wall of the flange (31) is an inclined surface, which is arranged obliquely upwards in the axial direction of the male connector (4) towards the direction away from the end of the male connector (4).

4. The adapter structure according to claim 2, characterized in that the flange (31) has an annular conical structure, the flange (31) being arranged circumferentially around the male connector (4).

5. The adapter structure according to claim 4, characterized in that two flanges (31) are provided, the two flanges (31) being spaced apart along the axial direction of the male connector (4).

6. The switching structure according to claim 2, wherein each male connector (4) is sleeved with a limiting ring (41), and the limiting rings (41) are fixedly arranged on one side of the fixing assembly (3) away from the end of the male connector (4).

7. The adapter structure according to claim 1, characterized in that the adapter tube (1) is made of rigid plastic; the elastic layer (2) is made of soft rubber.

8. The adapter structure according to claim 6, wherein the flange (31) and the stop collar (41) are both integrally formed with the male connector (4).

9. A battery pack, comprising:

a plurality of cooling devices; and

the battery body is communicated with a plurality of the cooling devices through the water cooling pipe and the switching structure as claimed in any one of claims 1 to 8.