CN220016506U

CN220016506U - Pipeline connection structure, liquid cooling pipeline and liquid cooling system

Info

Publication number: CN220016506U
Application number: CN202321635632.6U
Authority: CN
Inventors: 刘勇
Original assignee: Shanghai Lanjun New Energy Technology Co Ltd
Current assignee: Shanghai Lanjun New Energy Technology Co Ltd
Priority date: 2023-06-26
Filing date: 2023-06-26
Publication date: 2023-11-14
Anticipated expiration: 2033-06-26

Abstract

The utility model belongs to the technical field of batteries, and discloses a pipeline connection structure, a liquid cooling pipeline and a liquid cooling system. The pipeline connecting structure comprises a quick connector and a current limiting piece, wherein a first passage for cooling liquid to circulate is arranged in the quick connector, one end of the first passage is communicated with the pipeline body, and the other end of the first passage is communicated with the liquid cooling plate; the flow limiting piece is detachably arranged in the first passage, the flow limiting piece comprises a flow limiting area, the cooling liquid flowing out of the pipeline body flows into the liquid cooling plate through the flow limiting area, and the area of the flow limiting area is the flow area of the first passage. Above-mentioned pipeline connection structure can control the flow of the coolant liquid that flows in each liquid cooling board, and need not to change the joint bore of each liquid cooling board, and then has reduced assembly error rate and material management cost.

Description

Pipeline connection structure, liquid cooling pipeline and liquid cooling system

Technical Field

The utility model relates to the technical field of batteries, in particular to a pipeline connection structure, a liquid cooling pipeline and a liquid cooling system.

Background

With the development of new energy industry, lithium ion batteries are attracting attention, and it is well known that batteries need to release energy to a greater extent in a suitable temperature environment, so a liquid cooling system is generally provided to control the operating temperature of the batteries.

The traditional liquid cooling system comprises a liquid cooling pipeline and a plurality of sub cooling plates, corresponding flow is distributed to the corresponding sub cooling plates according to the environments of the batteries in different areas in order to improve the accurate temperature control of the batteries, and joints on the sub cooling plates are generally designed into different calibers to achieve the purpose of controlling flow in order to realize multi-flow distribution of the sub cooling plates. The arrangement mode enables the types of joints on the sub cooling plates to be more, the material management cost is higher, and the probability of assembly errors is higher because the caliber deviation of the joints on different sub cooling plates is smaller.

Therefore, it is needed to provide a pipeline connection structure, a liquid cooling pipeline and a liquid cooling system to solve the above problems.

Disclosure of Invention

According to one aspect of the utility model, the utility model provides a pipeline connection structure, which can control the flow of the cooling liquid flowing into each liquid cooling plate, and the joint caliber of each liquid cooling plate does not need to be changed, so that the assembly error rate and the material management cost are reduced.

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

pipeline connection structure includes:

the quick connector is internally provided with a first passage for cooling liquid to circulate, one end of the first passage is communicated with the pipeline body, and the other end of the first passage is communicated with the liquid cooling plate;

the flow limiting piece is detachably arranged in the first passage and comprises a flow limiting area, the cooling liquid flowing out of the pipeline body flows into the liquid cooling plate through the flow limiting area, and the area of the flow limiting area is the flow area of the first passage.

Optionally, the flow limiting area is a through hole formed on the flow limiting piece.

Optionally, the flow restrictor is in interference fit with the quick connector.

Optionally, a stop surface is disposed on an inner wall of the first passage, and a limit flange is convexly disposed on the current limiter, and the limit flange abuts against the stop surface.

Optionally, the flow restrictor is made of a metallic material.

Optionally, a buckle is arranged on the inner wall of one end of the first passage connected with the liquid cooling plate, a clamping groove is arranged on the connector of the liquid cooling plate, and the clamping groove is clamped in the buckle.

Optionally, the pipeline connection structure further includes:

the connecting joint is internally provided with a second passage for the circulation of the cooling liquid, two ends of the second passage are communicated with the pipeline body, and one end of the first passage is communicated with the second passage.

Optionally, the flow restrictor is disposed at a communication of the first passageway and the second passageway.

According to another aspect of the present utility model, there is further provided a liquid cooling pipeline, including a pipeline body and a plurality of pipeline connection structures according to any one of the above-mentioned aspects, wherein the plurality of pipeline connection structures are disposed at intervals along a length direction of the pipeline body and are all communicated with the pipeline body.

According to still another aspect of the present utility model, there is further provided a liquid cooling system, including a plurality of liquid cooling plates and the liquid cooling pipes described above, wherein a plurality of the liquid cooling plates are respectively in communication with a plurality of the pipe connection structures on the liquid cooling pipes.

The utility model has the beneficial effects that:

the utility model provides a pipeline connecting structure which comprises a quick connector and a flow limiting piece. The quick connector is internally provided with a first passage for cooling liquid to circulate, and the current limiting piece is detachably arranged in the first passage. When the cooling device is used, the cooling liquid flowing out of the pipeline body flows into the liquid cooling plate through the flow limiting area, the area of the flow limiting area is the flow area of the first passage, and the flow of the cooling liquid flowing into the liquid cooling plate can be regulated and controlled by changing the area of the flow limiting area. The pipeline connection structure can control the flow of the cooling liquid flowing into each liquid cooling plate in the liquid cooling system, and the joint caliber of the liquid cooling plate does not need to be changed, so that the management cost and the installation error rate of the liquid cooling plate are reduced.

Through setting up the current limiting piece demountable installation in first passageway, can change the current limiting piece that the current limiting area is different according to actual demand, the flexibility is higher, has improved above-mentioned pipeline connection structure's universality

The utility model also provides a liquid cooling pipeline which comprises a pipeline body and a plurality of pipeline connecting structures. The liquid cooling pipeline adopts the pipeline connecting structure, so that the flow distribution of each branch can be realized.

The utility model also provides a liquid cooling system which comprises a plurality of liquid cooling plates and the liquid cooling pipeline. The liquid cooling system adopts the pipeline connection structure, so that the flow distribution of each liquid cooling plate can be realized, the joint caliber of the liquid cooling plate does not need to be changed, and the management cost and the installation error rate of the liquid cooling plate are reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic diagram of a liquid cooling pipeline according to an embodiment of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a cross-sectional view I of a pipe connection structure provided by an embodiment of the present utility model;

FIG. 4 is a schematic view of a flow restrictor according to an embodiment of the present utility model;

fig. 5 is a second cross-sectional view (not shown) of the pipe connection structure according to the embodiment of the present utility model.

In the figure:

100. a pipeline connection structure; 110. a quick connector; 111. a first passage; 112. a stop surface; 113. a buckle; 120. a flow restrictor; 121. a flow restricting region; 122. a limit flange; 130. a connection joint; 131. a second passage; 200. a pipeline body.

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", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, 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 present embodiment provides a pipeline connection structure 100, which can control the flow rate of the cooling liquid flowing into each liquid cooling plate, and the joint caliber of each liquid cooling plate does not need to be changed, so that the assembly error rate and the material management cost are reduced.

Specifically, as shown in fig. 1-3, the pipe connection structure 100 includes a quick connector 110 and a flow restrictor 120, wherein a first passage 111 is provided in the quick connector 110, the cooling liquid circulates in the first passage 111, one end of the first passage 111 is communicated with the pipe body 200, and the other end is communicated with the liquid cooling plate, i.e. the cooling liquid in the pipe body 200 flows into the liquid cooling plate through the first passage 111. The flow limiting piece 120 is detachably installed in the first passage 111, the flow limiting piece 120 comprises a flow limiting area 121, the cooling liquid flowing out of the pipeline body 200 flows into the liquid cooling plate through the flow limiting area 121, and the area of the flow limiting area 121 is the flow area of the first passage 111, so that the purpose of controlling the flow of the cooling liquid flowing into the liquid cooling plate can be achieved by controlling the area of the flow limiting area 121, the flow limiting piece 120 is detachably installed in the first passage 111, different flow limiting pieces 120 of the flow limiting area 121 can be replaced according to actual requirements, the flexibility is high, and the universality of the pipeline connecting structure 100 is improved. On the one hand, the above-mentioned pipeline connection structure 100 can control the flow rate of the cooling liquid flowing into each liquid cooling plate in the liquid cooling system, and further correspondingly adjust the battery temperature according to the areas of different batteries, so that the batteries can work at the most suitable temperature, and the working performance of the batteries is improved; on the other hand, the joint caliber of the liquid cooling plate does not need to be changed, and the management cost and the installation error rate of the liquid cooling plate are reduced.

Optionally, in this embodiment, the flow limiting area 121 is a through hole formed on the flow limiting member 120, and the aperture of the through hole may be set according to the flow of the cooling liquid, which is simple in structure and convenient for processing.

Alternatively, in this embodiment, the current limiter 120 may be made of a metal material, which has high strength and hardness, is resistant to wear and corrosion, and is beneficial to prolonging the service life of the current limiter 120. The flow restrictor 120 is optional but not limited to a gasket, and is relatively inexpensive. Of course, in other embodiments, the flow restrictor 120 may be made of other materials, such as organic polymer materials, and the like, as required.

Further, in the present embodiment, the flow restrictor 120 is in interference fit with the quick connector 110, so that the assembly method of the interference fit is relatively simple, and no additional structure is required, which is beneficial to reducing the production cost and the development cost of the above-mentioned pipeline connection structure 100.

Preferably, as shown in fig. 3-5, a stop surface 112 is provided on an inner wall of the first passage 111 for stopping the current limiter 120, and a limit flange 122 is convexly provided on the current limiter 120, and the limit flange 122 abuts against the stop surface 112. In this embodiment, when the current limiter 120 is installed, the current limiter 120 is pushed in from the end of the first passage 111 connected to the liquid cooling plate until the limit flange 122 abuts against the stop surface 112, that is, the installation of the current limiter 120 is completed. By arranging the stop surface 112, the flow limiting piece 120 has a certain limiting effect, so that the connection strength between the flow limiting piece 120 and the quick connector 110 can be improved, and a certain guiding effect is achieved for mounting the flow limiting piece 120.

Optionally, the stop surface 112 and the limit flange 122 are both annular, so that the contact area between the stop surface 112 and the limit flange 122 is larger, which is beneficial to improving the reliability of the stop surface 112.

Further, with continued reference to fig. 2, 3 and 5, in this embodiment, a buckle 113 is disposed on an inner wall of an end of the first passage 111 connected to the liquid cooling plate, and a slot is disposed on a joint of the liquid cooling plate, and the slot is clamped to the buckle 113. The connection structure of joint is simple, and the installation degree of difficulty is lower, and installation and dismantlement are convenient, are favorable to realizing above-mentioned pipeline connection structure 100 and the quick plug of the joint of liquid cooling board, and then improve installation and dismantlement efficiency. Alternatively, a plurality of the clips 113 may be provided, and a plurality of the clips 113 are provided along the circumferential direction of the first passage 111, and correspondingly, a plurality of the slots are provided, and the plurality of slots are provided in one-to-one correspondence with the plurality of the clips 113. Of course, in other embodiments, the connection structure between the pipe connection structure 100 and the connector of the liquid cooling plate may be other structures, such as a threaded connection, and the like, according to actual needs.

Further, with continued reference to fig. 2, 3 and 5, the above-mentioned pipe connection structure 100 further includes a connection joint 130, a second passage 131 is provided in the connection joint 130, the second passage 131 is for cooling liquid to circulate, two ends of the second passage 131 are both communicated with the pipe body 200, one end of the first passage 111 is communicated with the second passage 131, specifically, in this embodiment, the first passage 111 is perpendicular to the second passage 131, and the first passage 111 is communicated with a middle part of the second passage 131, so as to form a three-way structure. By arranging the connecting joint 130, the quick connector 110 is convenient to connect with the pipeline body 200, and the structure is simple and the cost is low.

Optionally, in this embodiment, the flow restrictor 120 is disposed at the communication position between the first passage 111 and the second passage 131, so as to provide a space for the connection between the quick connector 110 and the liquid cooling plate, thereby avoiding the space waste of the quick connector 110 and further facilitating the reduction of the size of the quick connector 110. In other embodiments, the limiting member may be disposed at other positions of the first passage 111, as required.

The embodiment further provides a liquid cooling pipeline, as shown in fig. 1, where the liquid cooling pipeline includes a pipeline body 200 and a plurality of pipeline connection structures 100, and the plurality of pipeline connection structures 100 are disposed at intervals along a length direction of the pipeline body 200 and are all communicated with the pipeline body 200. The liquid cooling pipeline adopts the pipeline connecting structure 100, so that the flow distribution of each branch can be realized.

The embodiment also provides a liquid cooling system, which comprises a plurality of liquid cooling plates and the liquid cooling pipeline, wherein the liquid cooling plates are correspondingly communicated with the pipeline connecting structures 100 on the liquid cooling pipeline. The liquid cooling system adopts the pipeline connection structure 100, so that the flow distribution of each liquid cooling plate can be realized, the joint caliber of the liquid cooling plate does not need to be changed, and the management cost and the installation error rate of the liquid cooling plate are reduced.

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. Pipeline connection structure, its characterized in that includes:

the quick connector (110), a first passage (111) for cooling liquid to circulate is arranged in the quick connector (110), one end of the first passage (111) is communicated with the pipeline body (200), and the other end of the first passage (111) is communicated with the liquid cooling plate;

the flow limiting piece (120) is detachably arranged in the first passage (111), the flow limiting piece (120) comprises a flow limiting area (121), the cooling liquid flowing out of the pipeline body (200) flows into the liquid cooling plate through the flow limiting area (121), and the area of the flow limiting area (121) is the flow area of the first passage (111).

2. The pipe connection according to claim 1, characterized in that the flow restriction area (121) is a through hole provided in the flow restriction member (120).

3. The pipe connection according to claim 1, wherein the restrictor (120) is an interference fit with the quick connector (110).

4. A pipe connection structure according to claim 3, wherein a stop surface (112) is provided on an inner wall of the first passage (111), and the flow limiting member (120) is provided with a limit flange (122) in a protruding manner, and the limit flange (122) abuts against the stop surface (112).

5. The pipe connection according to claim 1, wherein the flow restrictor (120) is made of a metallic material.

6. The pipeline connection structure according to claim 1, wherein a buckle (113) is provided on an inner wall of one end of the first passage (111) connected with the liquid cooling plate, a clamping groove is provided on a joint of the liquid cooling plate, and the clamping groove is clamped to the buckle (113).

7. The pipe connection according to any one of claims 1 to 6, wherein the pipe connection (100) further comprises:

the connecting joint (130), be equipped with in the connecting joint (130) and supply second passage (131) that the coolant liquid circulate, the both ends of second passage (131) all with pipeline body (200) intercommunication, the one end of first passageway (111) with second passage (131) intercommunication.

8. The pipe connection structure according to claim 7, wherein the flow restricting member (120) is provided at a communication between the first passage (111) and the second passage (131).

9. Liquid cooling pipeline, characterized in that the pipeline comprises a pipeline body (200) and a plurality of pipeline connecting structures (100) according to any one of claims 1-8, wherein the pipeline connecting structures (100) are arranged at intervals along the length direction of the pipeline body (200) and are communicated with the pipeline body (200).

10. The liquid cooling system is characterized by comprising a plurality of liquid cooling plates and the liquid cooling pipeline according to claim 9, wherein the liquid cooling plates are correspondingly communicated with the pipeline connecting structures (100) on the liquid cooling pipeline.