Air-cooled lithium battery tray with uniform flow

Abstract

The air-cooled lithium battery tray comprises a middle air duct shell, a bottom connecting plate is arranged at the bottom of the middle air duct shell, the top of the bottom connecting plate is movably connected with a pulling rivet nut through threads, a connecting air duct plate is arranged at the bottom of the bottom connecting plate, and the pulling rivet nut is movably connected with the connecting air duct plate through threads. And middle air duct holes and bottom air duct holes are formed in the connecting air duct plate and the bottom connecting plate. The middle air duct shell is arranged and installed in the middle of the bottom connecting plate, then the fan is connected with the left side of the middle air duct shell, the fan exhausts air flow in the middle air duct shell, and the air flow is forced to enter the middle air duct shell from the bottom air duct hole and the middle air duct hole; the lithium battery can be quickly cooled, so that the service life of the lithium battery is prolonged, and the potential safety hazard can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery technical field, concretely is a kind of air-cooled lithium battery tray of uniform flow. BACKGROUND

[0002] "Lithium battery" is a kind of by lithium metal or lithium alloy as negative electrode material, using non-aqueous electrolyte solution battery.1912 lithium metal battery earliest by Gilbert N. Lew is proposed and research.20 Century 70 when, M.S. Whittingham proposes and begins to study lithium ion battery.

[0003] In the energy storage field, lithium battery as the medium of energy storage is more and more common, for the installation and management of lithium battery, generally needs a tray to bear lithium battery and other components. Meanwhile, since lithium battery will heat when working, the heat dissipation system of lithium battery is generally integrated in the tray.

[0004] At present, the traditional air-cooled lithium battery tray is mainly divided into bottom heat dissipation and side heat dissipation. The two air-cooled schemes on the market are both provided with negative pressure fan in front to drive airflow flow, and then heat dissipation is carried out. However, since the distance between air duct and negative pressure fan is different, the flow difference of different air ducts is large, which leads to uneven heat dissipation of lithium battery, causing life and safety hazard of lithium battery. UTILITY MODEL CONTENTS

[0005] To solve the problems in the above background art, the purpose of the utility model is to provide an air-cooled lithium battery tray with uniform flow, which has the advantages of uniform airflow distribution and improved lithium battery heat dissipation effect, and solves the problem of safety hazard caused by reducing lithium battery service life due to uneven airflow distribution and reducing lithium battery heat dissipation effect.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: an air-cooled lithium battery tray with uniform flow, comprising a middle air duct shell, a bottom connecting plate is arranged at the bottom of the middle air duct shell, a plurality of pull rivet nuts are movably connected to the top of the bottom connecting plate through threads, a connecting air duct plate is arranged at the bottom of the bottom connecting plate, middle air duct holes and bottom air duct holes are arranged in the inside of the connecting air duct plate and the bottom connecting plate, and the middle air duct holes are communicated with the bottom air duct holes.

[0007] As preferred in the utility model, the bottom of the connecting air duct plate is fixedly connected with a plurality of flow collection baffle plates.

[0008] As preferred in the utility model, the inside of the middle air duct shell is fixedly connected with an L-shaped air duct baffle plate one, a plurality of long-shaped horizontal strip air duct baffle plates and a plurality of short-shaped horizontal strip air duct baffle plates.

[0009] As preferred in the utility model, the top of the middle air duct shell is provided with a convex shape

[0010] As preferred in the utility model, the top of the bottom connecting plate is fixedly connected with a front upper cover mounting beam, a left side upper cover mounting beam, a right side upper cover mounting beam and a rear side upper cover mounting beam.

[0011] As preferred in the utility model, the top of the bottom connecting plate is fixedly connected with a module fixing beam, and the module fixing beam is located below the middle air duct shell.

[0012] Compared with the prior art, the utility model has the beneficial effects as follows:

[0013] 1. The utility model discloses a middle air duct shell is installed in the middle of the bottom connecting plate, then the fan is connected with the left side of the middle air duct shell, the fan discharges the airflow in the middle air duct shell, and the airflow is forced to enter the middle air duct shell from the bottom air duct hole and the middle air duct hole, so that the lithium battery can be quickly cooled, the service life of the lithium battery is improved, and the occurrence of safety hazards is reduced.

[0014] 2. The utility model discloses a current collection baffle plate, a plurality of current collection baffle plates are installed in the connecting air duct plate, when the bottom air duct hole converges the airflow, the airflow is upwardly guided to flow by the blocking of the current collection baffle plate, the convergence of the airflow can be concentrated, and the heat dissipation effect of the lithium battery is improved. DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a sectional view of the middle air duct shell of the utility model;

[0017] In the drawing: 1, middle air duct shell;2, bottom connecting plate;3, pull rivet nut;4, connecting air duct plate;5, middle air duct hole;6, bottom air duct hole;7, current collection baffle plate;8, L-shaped air duct baffle one;9, horizontal strip air duct baffle;10, short horizontal strip air duct baffle;11, front upper cover mounting beam;12, left side upper cover mounting beam;13, right side upper cover mounting beam;14, rear side upper cover mounting beam;15, module fixing beam. CONCRETE IMPLEMENTING METHOD

[0018] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0019] As Figures 1 to 2 shown, the utility model provides a kind of air-cooled lithium battery tray of uniform flow, including middle part air duct shell 1, the bottom of middle part air duct shell 1 is provided with bottom connecting plate 2, the top of bottom connecting plate 2 is movably connected with a plurality of pull rivet nuts 3 by screw thread, the bottom of bottom connecting plate 2 is provided with connecting air duct plate 4, the inside of the connecting air duct plate 4 and bottom connecting plate 2 is all provided with middle part air duct hole 5 and bottom air duct hole 6, middle part air duct hole 5 is communicated with bottom air duct hole 6.

[0020] Reference Figure 1 , the bottom of connecting air duct plate 4 is fixedly connected with a plurality of current-carrying baffle plates 7, and the number of current-carrying baffle plates 7 is several.

[0021] As a technical optimization scheme of the utility model, by setting the current-carrying baffle plate 7, by installing a plurality of current-carrying baffle plates 7 inside the connecting air duct plate 4, when the bottom air duct hole 6 converges into airflow, the airflow is guided to flow upward by the blocking of the current-carrying baffle plate 7, and the convergence of the airflow can be concentrated to increase the air inlet effect.

[0022] Reference Figure 2 , the inside of middle part air duct shell 1 is fixedly connected with L-shaped air duct baffle plate one 8, a plurality of long strip air duct baffle plates 9 and a plurality of short strip air duct baffle plates 10.

[0023] As a technical optimization scheme of the utility model, by setting the L-shaped air duct baffle plate one 8, the L-shaped air duct baffle plate one 8, the long strip air duct baffle plate 9 and the short strip air duct baffle plate 10 will cause a plurality of gaps in the inside of the middle part air duct shell 1, and the pressure gradient of the airflow can be kept consistent by utilizing these gaps, thereby improving the flow of the air duct.

[0024] Reference Figure 1 , the top of middle part air duct shell 1 is provided in convex shape.

[0025] As a technical optimization scheme of the utility model, by setting the convex shape, the left side of the middle part air duct shell 1 is in concave state by the convex setting, the gas flow direction can be guided to the middle part of the fan by the concave, and the problem that the efficiency is reduced due to the non-uniform position of gas when the fan works can be reduced.

[0026] Reference Figure 1 , the top of bottom connecting plate 2 is fixedly connected with front upper cover mounting beam 11, left side upper cover mounting beam 12, right side upper cover mounting beam 13 and rear side upper cover mounting beam 14.

[0027] As a technical optimization scheme of the utility model, by setting the front upper cover mounting beam 11, the front upper cover mounting beam 11, the left side upper cover mounting beam 12, the right side upper cover mounting beam 13 and the rear side upper cover mounting beam 14 can be conveniently connected with the upper cover of lithium battery PACK by personnel, and the use is facilitated.

[0028] Reference Figure 1 The top of the bottom connecting plate 2 is fixedly connected with a module fixing beam 15, and the module fixing beam 15 is located below the middle air duct shell 1.

[0029] As a technical optimization scheme of the utility model, the module fixing beam 15 can be used to fix the lithium battery module, thereby improving the fixing effect of the lithium battery module.

[0030] The working principle and use process of the utility model are as follows: the middle air duct shell 1 is installed in the middle of the bottom connecting plate 2, then the fan is connected with the left side of the middle air duct shell 1, the fan discharges the airflow in the middle air duct shell 1, so that the airflow is forced to enter the inside of the middle air duct shell 1 through the bottom air duct hole 6 and the middle air duct hole 5, the lithium battery can be quickly cooled, the service life of the lithium battery is improved, the occurrence of safety hazards is reduced, the module, the front upper cover installation beam 11, the left side upper cover installation beam 12, the right side upper cover installation beam 13 and the rear side upper cover installation beam 14 can be fixed through the setting of the pull rivet nut, and the fixing effect of the module and other devices is improved.

[0031] It should be noted that, in this text, relational terms such as first and second and the like can merely be used to distinguish one entity or action from another, without necessarily requiring or implying that these entities or actions are in any way mutually exclusive or in any way arranged or ordered in succession or temporally. In addition, the terms "comprises", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or apparatus that includes a list of elements does not only include those elements, but also includes other elements not explicitly listed, or other elements inherent to such a process, method, article or apparatus.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A forced air cooling lithium battery tray with uniform flow, comprising a middle air duct shell (1), characterized in that: The bottom of the middle air duct shell (1) is provided with a bottom connecting plate (2), the top of the bottom connecting plate (2) is movably connected with a pull larch nut (3) through screw threads, the bottom of the bottom connecting plate (2) is provided with a connecting air duct plate (4), the inside of the connecting air duct plate (4) and the bottom connecting plate (2) are both provided with a middle air duct hole (5) and a bottom air duct hole (6), and the middle air duct hole (5) communicates with the bottom air duct hole (6).

2. The forced air cooled lithium battery tray with uniform flow according to claim 1, characterized in that: The bottom of the connecting air duct plate (4) is fixedly connected with a plurality of flow converging baffle plates (7).

3. The forced air cooled lithium battery tray with uniform flow according to claim 1, characterized in that: The inside of the middle air duct shell (1) is fixedly connected with an L-shaped air duct baffle plate (8), a plurality of long-shaped horizontal strip air duct baffle plates (9) and a plurality of short-shaped horizontal strip air duct baffle plates (10).

4. The forced air cooled lithium battery tray with uniform current according to claim 1, characterized in that: The top of the middle air duct shell (1) is provided in a convex shape.

5. The uniform flow forced air lithium battery tray of claim 1, wherein: The top of the bottom connecting plate (2) is fixedly connected with a front upper cover mounting beam (11), a left side upper cover mounting beam (12), a right side upper cover mounting beam (13) and a rear side upper cover mounting beam (14).

6. The uniform flow air-cooled lithium battery tray according to claim 1, characterized in that: The top of the bottom connecting plate (2) is fixedly connected with a module fixing beam (15), and the module fixing beam (15) is located below the middle air duct shell (1).

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