Liquid cooling rack for testing battery cluster

Abstract

The utility model provides a liquid cooling rack for testing a battery cluster. The liquid cooling rack comprises a liquid cooling unit, a test rack, a water inlet main pipe and a water outlet main pipe, the test bench is provided with N detection stations; and the liquid cooling unit is communicated with N detection stations on the test bench through the water inlet main pipe and the water outlet main pipe. A liquid cooling rack is arranged, detection stations are provided for a plurality of battery packs of a battery cluster, a unit water inlet mother pipe and a unit water outlet mother pipe of a liquid cooling machine are communicated with each other, a pipeline extends to the tail end of the rack, and each detection station is provided with a liquid cooling water inlet and outlet pipe communicated with the unit water inlet mother pipe and the unit water outlet mother pipe. Therefore, the inlet and outlet of the liquid-cooling pipeline of the battery pack are prevented from being reversely connected with the liquid-cooling water inlet and outlet pipe, correct connection of the pipeline is ensured, and subsequent liquid-cooling test is facilitated.

Description

Technical Field

[0001] The utility model relates to the field of lithium battery testing, in particular to a liquid cooling stand for battery cluster testing. Background Art

[0002] During the test of the liquid-cooled battery cluster, liquid cooling is used for temperature reduction. However, the laying of the liquid cooler pipeline, the flow detection of the pipeline and the monitoring of the pipeline temperature are not available in the existing pipelines. This directly affects the test of the liquid cooler power consumption, the test of the battery temperature strategy, the battery cluster performance test, and also affects the installation efficiency and accuracy of the liquid cooler.

[0003] In the related art, when liquid cooling is used to cool lithium batteries, the battery pack is cooled by liquid cooling pipes. There are multiple battery packs in the battery cluster. It is necessary to connect the multiple liquid cooling pipes of the liquid cooler with the liquid cooling interfaces of the corresponding battery packs, and transport the liquid cooling medium to the liquid cooling pipes through the liquid cooler to complete the liquid cooling effect on the battery pack. There is the following problem. When testing the liquid cooling effect of the battery cluster, multiple liquid cooling water inlet pipes and liquid cooling water outlet pipes may be connected incorrectly or reversely. It is necessary to manually check repeatedly to ensure that the pipes are connected correctly, which wastes manpower.

[0004] How to quickly and orderly perform liquid cooling tests on multiple battery packs in a battery cluster is an urgent problem to be solved. Utility Model Content

[0005] The utility model aims to provide a liquid cooling stand for battery cluster testing.

[0006] In order to solve the above technical problems, the utility model provides a liquid cooling bench for battery cluster testing, comprising:

[0007] Liquid cooling unit, test bench, water inlet and outlet pipes;

[0008] The water inlet main pipe and the water outlet main pipe are fixedly arranged on the test bench;

[0009] The test bench is provided with N detection stations;

[0010] The liquid cooling unit is connected to N inspection stations on the test bench through the water inlet main pipe and the water outlet main pipe.

[0011] Furthermore, N is greater than or equal to 2, and N is an even number.

[0012] Further, the test bench comprises: a wiring bracket;

[0013] The water inlet main pipe is arranged below the wiring bracket;

[0014] The N detection stations are respectively arranged on both sides of the wiring support.

[0015] Furthermore, the N detection stations are grouped in pairs;

[0016] The two detection stations in each group are arranged adjacent to each other and on the same side of the wiring support.

[0017] Furthermore, the test bench also includes a liquid cooling connection assembly;

[0018] The liquid cooling connection assembly is arranged between two inspection stations in each group;

[0019] The liquid cooling connection assembly is configured to connect the two detection stations in each group with the water inlet main pipe and the water outlet main pipe.

[0020] Further, the liquid cooling connection assembly includes two groups of liquid cooling connection pipes;

[0021] The liquid cooling connecting pipe comprises: a liquid cooling water inlet pipe and a liquid cooling water outlet pipe;

[0022] The liquid cooling water inlet pipe is connected to the water outlet main pipe;

[0023] The liquid cooling water outlet pipe is connected to the water inlet main pipe.

[0024] Furthermore, the battery cluster test liquid cooling bench further comprises: a controller;

[0025] The liquid cooling water inlet pipe is provided with an electric-controlled ball valve;

[0026] The electrically controlled ball valve is electrically connected to the controller;

[0027] The controller is configured to control the electric-controlled ball valve to open or close the liquid cooling water inlet pipe.

[0028] Furthermore, a flow detector is also provided on the liquid cooling water inlet pipe;

[0029] The flow detector is electrically connected to the electric-controlled ball valve.

[0030] Furthermore, the liquid cooling water inlet pipe is arranged above the liquid cooling water outlet pipe.

[0031] Furthermore, the liquid cooling unit also includes a liquid return pipe;

[0032] The liquid return pipe is communicated with the liquid cooling water outlet pipe of each liquid cooling connecting pipe.

[0033] The beneficial effect of the present invention is that the present invention provides a liquid cooling bench for battery cluster testing, including: a liquid cooling unit, a test bench, a water inlet main pipe and a water outlet main pipe; the water inlet main pipe and the water outlet main pipe are fixedly arranged on the test bench; the test bench is provided with N inspection stations; the liquid cooling unit is connected with the N inspection stations on the test bench through the water inlet main pipe and the water outlet main pipe. By setting up a liquid cooling bench, inspection stations are provided for multiple battery packs of a battery cluster, the unit water inlet main pipe and the unit water outlet main pipe of the liquid cooling machine are connected to each other, and the pipeline extends to the end of the bench, and each inspection station is provided with a liquid cooling inlet and outlet pipe connected with the unit water inlet main pipe and the unit water outlet main pipe, so as to avoid the inlet and outlet of the liquid cooling pipeline of the battery pack being connected to the liquid cooling inlet and outlet pipes in reverse, ensure the correct connection of the pipeline, and facilitate subsequent liquid cooling testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0035] Figure 1 It is a structural schematic diagram of a liquid cooling stand for battery cluster testing provided by an embodiment of the utility model.

[0036] Figure 2 It is a partial structural schematic diagram of a liquid cooling stand for battery cluster testing provided by an embodiment of the utility model.

[0037] Figure 3 This is a schematic diagram of the electrical control principle of a liquid cooling stand for battery cluster testing provided in an embodiment of the utility model.

[0038] In the figure: 100-liquid cooling unit; 200-test bench; 210-detection station; 220-wiring bracket; 230-liquid cooling connection assembly; 231-liquid cooling connection pipe; 2311-liquid cooling water inlet pipe; 2312-liquid cooling water outlet pipe; 2313-electrically controlled ball valve; 2314-flow meter; 300-water inlet main pipe; 400-water outlet main pipe; 500-liquid return pipe. DETAILED DESCRIPTION

[0039] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0040] For examples, see Figure 1-Figure 3At least one embodiment provides a liquid cooling test bench for battery cluster testing, comprising: a liquid cooling unit 100, a test bench 200, a water inlet mother pipe 300 and a water outlet mother pipe 400; the test bench 200 is provided with N inspection stations 210; the water inlet mother pipe 300 and the water outlet mother pipe 400 are fixedly arranged on the test bench 200; the liquid cooling unit 100 is connected to the N inspection stations 210 on the test bench 200 through the water inlet mother pipe 300 and the water outlet mother pipe 400. By setting up a liquid cooling stand, a test station 210 is provided for multiple battery packs of the battery cluster. The unit water inlet main pipe 300 and the unit water outlet main pipe 400 of the liquid cooling machine are connected to each other, and the pipeline extends to the end of the stand. Each test station 210 is provided with a liquid cooling inlet and outlet pipe connected to the unit water inlet main pipe 300 and the unit water outlet main pipe 400, thereby avoiding the inlet and outlet of the liquid cooling pipeline of the battery pack being connected to the liquid cooling inlet and outlet pipes in reverse, ensuring the correct connection of the pipeline, and facilitating subsequent liquid cooling tests.

[0041] Wherein, N is greater than or equal to 2, and N is an even number.

[0042] The structure of the test bench 200 is described below: the test bench 200 includes: a wiring bracket 220; the water inlet main pipe 300 is arranged below the wiring bracket 220; and the N detection stations 210 are respectively arranged on both sides of the wiring bracket 220. The wiring bracket 220 is used to constrain the cables during testing to avoid the cables being in disarray.

[0043] The N inspection stations 210 are arranged in groups of two; the two inspection stations 210 in each group are arranged adjacent to each other and on the same side of the wiring support 220 .

[0044] Specifically, the test bench 200 also includes a liquid cooling connection assembly 230; the liquid cooling connection assembly 230 is arranged between two inspection stations 210 in each group; the liquid cooling connection assembly 230 is configured to connect the two inspection stations 210 in each group with the water inlet mother pipe 300 and the water outlet mother pipe 400.

[0045] In this embodiment, the liquid cooling connection assembly 230 includes two groups of liquid cooling connection pipes 231; the liquid cooling connection pipes 231 include: a liquid cooling water inlet pipe 2311 and a liquid cooling water outlet pipe 2312; the liquid cooling water inlet pipe 2311 is connected to the water outlet mother pipe 400; the liquid cooling water outlet pipe 2312 is connected to the water inlet mother pipe 300.

[0046] The liquid cooling water inlet pipe 2311 is arranged above the liquid cooling water outlet pipe 2312. By arranging the liquid cooling water inlet pipe 2311 above the liquid cooling water outlet pipe 2312, the pressure required for injecting the coolant into the battery pack is reduced.

[0047] It should be noted that the height of the water outlet main pipe 400 of the liquid cooling unit 100 is higher than the detection station 210 .

[0048] In this embodiment, the liquid cooling unit 100 further includes a liquid return pipe 500;

[0049] The liquid return pipe 500 is connected to the liquid cooling outlet pipe 2312 of each liquid cooling connecting pipe 231. After the liquid cooling test is completed, the liquid return pipe 500 provides pressure through the air pump to recover the liquid cooling medium in the battery pack and the water inlet mother pipe 300 and the water outlet mother pipe 400, thereby avoiding the waste of the liquid cooling medium and facilitating the transportation of the battery cluster.

[0050] In this embodiment, the liquid cooling test bench for battery cluster testing further includes: a controller; an electrically controlled ball valve 2313 is provided on the liquid cooling water inlet pipe 2311; the electrically controlled ball valve 2313 is electrically connected to the controller; and the controller is configured to control the electrically controlled ball valve 2313 to open or close the liquid cooling water inlet pipe 2311.

[0051] The liquid cooling water inlet pipe 2311 is also provided with a flow detector 2314, which is electrically connected to the electric control ball valve 2313. Each pipeline branch is respectively equipped with a flow tester and a temperature detector, and the pipeline flow and temperature are detected in real time through the controller. The flow and temperature are displayed in real time on the display screen, and an alarm protection is performed when the threshold is exceeded.

[0052] In summary, the utility model provides a liquid cooling bench for battery cluster testing, including: a liquid cooling unit 100, a test bench 200, a water inlet main pipe 300 and a water outlet main pipe 400; the test bench 200 is provided with N inspection stations 210; the liquid cooling unit 100 is connected with the N inspection stations 210 on the test bench 200 through the water inlet main pipe 300 and the water outlet main pipe 400. By setting up a liquid cooling bench, inspection stations 210 are provided for multiple battery packs of a battery cluster, the unit water inlet main pipe 300 and the unit water outlet main pipe 400 of the liquid cooling machine are connected to each other, and the pipeline extends to the end of the bench, and each inspection station 210 is provided with a liquid cooling inlet and outlet pipe connected with the unit water inlet main pipe 300 and the unit water outlet main pipe 400, so as to avoid the inlet and outlet of the liquid cooling pipeline of the battery pack being connected to the liquid cooling inlet and outlet pipes in reverse, ensure the correct connection of the pipeline, and facilitate the subsequent liquid cooling test.

[0053] All devices (parts without specific structure) selected in this application are universal standard parts or parts known to those skilled in the art, and their structures and principles can be known by those skilled in the art through technical manuals or conventional experimental methods. In addition, the software programs involved in this application are all prior art, and this application does not involve any improvement to the software programs.

[0054] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0055] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0056] In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. The device embodiments described above are merely schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some communication interfaces, and the indirect coupling or communication connection of devices or units can be electrical, mechanical or other forms.

[0057] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0058] In addition, each functional unit in each embodiment of the present utility model may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

[0059] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A liquid cooling stand for battery cluster testing, characterized in that: include: Liquid cooling unit, test bench, water inlet and outlet pipes; The water inlet main pipe and the water outlet main pipe are fixedly arranged on the test bench; The test bench is provided with N detection stations; The liquid cooling unit is connected to N inspection stations on the test bench through the water inlet main pipe and the water outlet main pipe.

2. The liquid cooling stand for battery cluster testing according to claim 1, wherein: in, N is greater than or equal to 2, and N is an even number.

3. The liquid cooling stand for battery cluster testing as claimed in claim 2, characterized in that: The test bench comprises: a wiring bracket; The water inlet main pipe is arranged below the wiring bracket; The N detection stations are respectively arranged on both sides of the wiring support.

4. The liquid cooling stand for battery cluster testing as claimed in claim 3, characterized in that: The N inspection stations are grouped in pairs; The two detection stations in each group are arranged adjacent to each other and on the same side of the wiring support.

5. The liquid cooling stand for battery cluster testing as claimed in claim 4, characterized in that: The test bench also includes a liquid cooling connection assembly; The liquid cooling connection assembly is arranged between two inspection stations in each group; The liquid cooling connection assembly is configured to connect the two detection stations in each group with the water inlet main pipe and the water outlet main pipe.

6. The liquid cooling stand for battery cluster testing as claimed in claim 5, characterized in that: The liquid cooling connection assembly includes two groups of liquid cooling connection pipes; The liquid cooling connecting pipe comprises: a liquid cooling water inlet pipe and a liquid cooling water outlet pipe; The liquid cooling water inlet pipe is connected to the water outlet main pipe; The liquid cooling water outlet pipe is connected to the water inlet main pipe.

7. The liquid cooling stand for battery cluster testing according to claim 6, wherein: The liquid cooling bench for battery cluster testing also includes: a controller; The liquid cooling water inlet pipe is provided with an electric-controlled ball valve; The electrically controlled ball valve is electrically connected to the controller; The controller is configured to control the electric-controlled ball valve to open or close the liquid cooling water inlet pipe.

8. The liquid cooling stand for battery cluster testing according to claim 7, characterized in that: The liquid cooling water inlet pipe is also provided with a flow detector; The flow detector is electrically connected to the electric-controlled ball valve.

9. The liquid cooling stand for battery cluster testing according to claim 6, wherein: The liquid cooling water inlet pipe is arranged above the liquid cooling water outlet pipe.

10. The liquid cooling stand for battery cluster testing according to claim 9, characterized in that: The liquid cooling unit also includes a liquid return pipe; The liquid return pipe is communicated with the liquid cooling water outlet pipe of each liquid cooling connecting pipe.

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