Battery liquid cooling pipeline of energy storage container

Abstract

The utility model relates to a battery liquid cooling pipeline of an energy storage container. The battery liquid cooling pipeline comprises a plurality of pipes and T-shaped three-way joints, the pipes form a first-stage water inlet pipeline, a first-stage water outlet pipeline, a plurality of second-stage water inlet pipelines, a plurality of second-stage water outlet pipelines, a plurality of third-stage water inlet pipelines and a plurality of third-stage water outlet pipelines which are communicated with one another through T-shaped three-way joints. The beneficial effects of the utility model are that: the utility model discloses a multi-stage parallel pipeline structure of main circuit and branch circuit, battery coolant flow is more balanced, heat dissipation is more stable, battery cell temperature is more balanced, the product life is prolonged, the secondary pipeline is arranged on the same side of battery box, can avoid battery high-voltage wire harness or fire-fighting pipeline etc. The whole pipeline is tidier and more attractive, bubbles in the pipeline can be manually discharged through the exhaust valve, and the circulation efficiency of cooling liquid is improved; the structure of the non-return quick-plug connector and the drain valve three-way connector improves the maintenance efficiency, and the dry condition in the energy storage cabinet is kept.

Description

Technical Field

[0001] The utility model relates to a battery liquid cooling pipeline structure, in particular to a battery liquid cooling pipeline of an energy storage container. Background Art

[0002] As the energy storage industry continues to pursue high-rate charging and discharging, liquid cooling of energy storage batteries is a key technology for energy storage thermal management. In existing liquid cooling solutions, the pipeline layout generally adopts series water pipe connection or multi-stage pipeline connection.

[0003] The connection of series or multi-stage pipelines will lead to uneven flow of each battery pack, resulting in uneven heat dissipation and insufficient cooling, which will affect the stable and safe operation of the energy storage cabinet. The battery water inlet and outlet pipes are arranged on both sides, which are easy to be crowded with high-voltage wire harnesses, fire protection pipes, etc., which is not beautiful. The battery liquid cooling pipe is prone to bubbles that are not easy to discharge, affecting the heat dissipation efficiency. The energy storage cabinet is a sealed and dry environment. When maintaining the pipes, the coolant is easy to overflow and difficult to clean. Summary of the invention

[0004] The utility model aims to solve the above-mentioned shortcomings of the prior art and provide a battery liquid cooling pipeline for an energy storage container with balanced heat dissipation and more convenient maintenance.

[0005] The utility model adopts a technical solution to solve the technical problem: the battery liquid cooling pipeline of the energy storage container includes a plurality of pipes and T-shaped three-way joints, the plurality of pipes form a first-level water inlet pipeline, a first-level water outlet pipeline, a plurality of second-level water inlet pipelines, a plurality of second-level water outlet pipelines, a plurality of tertiary water inlet pipelines and a plurality of tertiary water outlet pipelines which are interconnected through the T-shaped three-way joints, the second-level water inlet pipeline and the second-level water outlet pipeline are respectively connected to the first-level water inlet pipeline and the first-level water outlet pipeline, and a second-level water inlet pipeline and a second-level water outlet pipeline are respectively connected to a plurality of tertiary water inlet pipelines and a plurality of tertiary water outlet pipelines.

[0006] The tertiary water inlet pipeline and the tertiary water outlet pipeline are connected to the water nozzle of the battery box, and the battery boxes of the same battery cluster are connected to the same secondary water inlet pipeline and secondary water outlet pipeline, and the secondary water inlet pipeline and the secondary water outlet pipeline are located on the same side of the battery box.

[0007] Different battery boxes on the same battery cluster are connected in parallel, and different battery clusters are connected in parallel.

[0008] An exhaust valve is arranged at the top of the first-level water outlet pipeline.

[0009] The three-stage water inlet pipeline and the three-stage water outlet pipeline are connected to the water nozzle of the battery box through a non-return quick plug connector.

[0010] A drain valve three-way joint is provided at the lower part of the secondary water outlet pipeline.

[0011] The beneficial effects of the utility model are as follows: the utility model structure adopts a multi-stage parallel pipeline structure of the main line and the branch line, the battery coolant flow is more balanced, the heat dissipation is more stable, the battery core temperature is more balanced, and the product life is prolonged; the secondary pipelines are arranged on the same side of the battery box body, and can avoid the battery high-voltage wiring harness or fire protection pipeline, etc. The pipeline as a whole is neater and more beautiful; the exhaust valve can manually discharge bubbles in the pipeline to improve the coolant circulation efficiency; the structure of the non-return quick plug connector and the drain valve three-way connector improves the maintenance efficiency and keeps the dry condition inside the energy storage cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the use state of the utility model;

[0014] Figure 3 It is a partial enlarged view of A;

[0015] Figure 4 It is a partial enlarged view of B;

[0016] Figure 5 It is a partial enlarged view of C;

[0017] Figure 6 This is a partial enlarged view of D.

[0018] Explanation of the accompanying drawings: a primary water inlet pipeline 1, a primary water outlet pipeline 2, a plurality of secondary water inlet pipelines 3, a plurality of secondary water outlet pipelines 4, a plurality of tertiary water inlet pipelines 5, a plurality of tertiary water outlet pipelines 6, an exhaust valve 7, a drain valve tee joint 8, a non-return quick connector 9, a pipe 10, a T-type tee joint 11, and a battery box 12. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings:

[0020] like Figure 1 , Figure 3 As shown, the battery liquid cooling pipeline of the energy storage container includes a plurality of pipes 10 and a T-shaped three-way joint 11. The plurality of pipes 10 form a primary water inlet pipeline 1, a primary water outlet pipeline 2, a plurality of secondary water inlet pipelines 3, a plurality of secondary water outlet pipelines 4, a plurality of tertiary water inlet pipelines 5 and a plurality of tertiary water outlet pipelines 6 that are interconnected through the T-shaped three-way joint 11. The secondary water inlet pipeline 3 and the secondary water outlet pipeline 4 are respectively connected to the primary water inlet pipeline 1 and the primary water outlet pipeline 2, and a plurality of tertiary water inlet pipelines 5 and a plurality of tertiary water outlet pipelines 6 are respectively connected to a secondary water inlet pipeline 3 and a secondary water outlet pipeline 4.

[0021] like Figure 2 , Figure 4 As shown, the tertiary water inlet pipe 5 and the tertiary water outlet pipe 6 are connected to the water nozzle of the battery case 12, and the tertiary water inlet pipe 5 and the tertiary water outlet pipe 6 are connected to the water nozzle of the battery case 12 through a non-return quick plug connector 9, which can realize hot plugging without coolant outflow. The battery case 12 of the same battery cluster is connected to the same secondary water inlet pipe 3 and secondary water outlet pipe 4. The secondary water inlet pipe and the secondary water outlet pipe 4 are located on the same side of the battery case 12, avoiding the battery high-voltage wiring harness or fire protection pipe, etc., and the overall pipeline is neater and more beautiful. Different battery cases 12 on the same battery cluster are connected in parallel, and different battery clusters are connected in parallel. This pipeline structure with multi-stage parallel connection of the main line and the branch line makes the battery coolant flow more balanced, the heat dissipation more stable, the battery cell temperature more balanced, and the product life is extended.

[0022] like Figure 5 As shown, an exhaust valve 7 is provided at the top of the first-level water outlet pipeline 2, which can manually exhaust the bubbles in the pipeline to improve the cooling liquid circulation efficiency.

[0023] like Figure 6 As shown, a drain valve three-way joint 8 is provided at the lower part of the secondary water outlet pipeline 4, which can quickly drain the coolant in the pipeline, improve maintenance efficiency, and maintain dry conditions inside the energy storage cabinet.

[0024] After the coolant is discharged from the refrigeration unit, it is diverted to the secondary water inlet pipe 3 through the primary water inlet pipe 1, and then diverted to the tertiary water inlet pipe 5, and flows into the energy storage battery box. After fully absorbing the heat of the battery cell, it is converged to the secondary water outlet pipe 4 through the tertiary water outlet pipe 6, and then converged to the primary water outlet pipe 2, and finally flows into the refrigeration unit.

[0025] In addition to the above embodiments, the present invention may also have other implementations. Any technical solution formed by equivalent replacement or equivalent transformation falls within the protection scope required by the present invention.

Claims

1. A battery liquid cooling pipeline for an energy storage container, comprising a plurality of pipes (10) and a T-shaped three-way connector (11), characterized in that: A plurality of pipes (10) are connected to each other via a T-shaped three-way joint (11) to form a primary water inlet pipeline (1), a primary water outlet pipeline (2), a plurality of secondary water inlet pipelines (3), a plurality of secondary water outlet pipelines (4), a plurality of tertiary water inlet pipelines (5) and a plurality of tertiary water outlet pipelines (6); the secondary water inlet pipeline (3) and the secondary water outlet pipeline (4) are connected to the primary water inlet pipeline (1) and the primary water outlet pipeline (2) respectively; and a secondary water inlet pipeline (3) and a secondary water outlet pipeline (4) are connected to the plurality of tertiary water inlet pipelines (5) and the plurality of tertiary water outlet pipelines (6) respectively; The tertiary water inlet pipeline (5) and the tertiary water outlet pipeline (6) are connected to the water nozzle of the battery box (12); the battery box (12) of the same battery cluster is connected to the same secondary water inlet pipeline (3) and secondary water outlet pipeline (4); the secondary water inlet pipeline and the secondary water outlet pipeline (4) are located on the same side of the battery box (12); Different battery boxes (12) on the same battery cluster are connected in parallel, and different battery clusters are connected in parallel.

2. The battery liquid cooling pipeline of the energy storage container according to claim 1 is characterized in that: An exhaust valve (7) is provided at the top end of the primary water outlet pipeline (2).

3. The battery liquid cooling pipeline of the energy storage container according to claim 2 is characterized in that: The tertiary water inlet pipeline (5) and the tertiary water outlet pipeline (6) are connected to the water nozzle of the battery box (12) via a non-return quick-plug connector (9).

4. The battery liquid cooling pipeline of the energy storage container according to claim 3 is characterized in that: A drain valve three-way joint (8) is provided at the lower part of the secondary water outlet pipeline (4).

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