Battery box structure

Abstract

The utility model provides a battery box structure, which is provided with a box body, the box body comprises a plurality of battery modules and a fan, the fan is arranged on one side surface of the box body, the battery modules are arranged in the box body, the battery modules are arranged side by side, the battery modules are mutually connected in series, and each battery module comprises a plurality of battery cell packaging structures. The battery cell packaging structures are arranged side by side, the battery cell packaging structures are connected in series, and a plurality of air ports are formed in the other two opposite side surfaces of the box body; the battery cell packaging structure comprises the single battery cells, the air duct plate and the insulating plate, the air duct plate is attached to one face of each single battery cell, the insulating plate is attached to the other face of each single battery cell, and therefore heat dissipation airflow can uniformly flow among the single battery cells on the basis of airflow dredging of the internal single battery cells of the battery cell packaging structure, and heat dissipation efficiency is improved. And the heat dissipation efficiency of the battery box is improved.

Description

Technical Field

[0001] The utility model relates to the field of batteries, in particular to a battery box structure. Background Art

[0002] In the prior art, most battery boxes are formed by arranging and connecting several single cells in series side by side. For the heat dissipation of the battery box, the heat dissipation means of large-area air extraction is usually adopted, which cannot make the air flow evenly between each single cell, resulting in uneven local heat dissipation of the battery box and reducing the heat dissipation efficiency of the battery box. Summary of the Utility Model

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and provide a battery box structure. Through the air flow guidance of the internal single cells by the battery core packaging structure, the heat dissipation air flow can flow evenly between each single cell, thereby improving the heat dissipation efficiency of the battery box.

[0004] To achieve the above purpose, in the first aspect, an embodiment of the utility model provides a battery box structure, including:

[0005] A box body, which includes a plurality of battery modules and a fan. The fan is arranged on one side of the box body, and the battery modules are arranged inside the box body. The battery modules are arranged side by side and connected in series with each other. Each battery module includes a plurality of battery core packaging structures, and the battery core packaging structures are arranged side by side and connected in series with each other. Among them, a plurality of air vents are arranged on the other two opposite sides of the box body; the battery core packaging structure includes a single cell, an air duct plate and an insulating plate. The air duct plate is attached to one side of the single cell, and the insulating plate is attached to the other side of the single cell.

[0006] Further, in some embodiments, the battery module further includes a plurality of aluminum bars, which are arranged above the poles of the single cells, and the aluminum bars are used to connect the poles of each single cell in series.

[0007] Further, in some embodiments, the battery module further includes an end plate, which is arranged at the front end or the rear end of the battery module.

[0008] Further, in some embodiments, the battery module further includes an insulating seat, which is arranged above the end plate.

[0009] Further, in some embodiments, the battery core packaging structure further includes an insulating seat cover plate, which is arranged above the insulating seat.

[0010] Further, in some embodiments, the box body includes a total positive voltage connector and a total negative voltage connector. Both the total positive voltage connector and the total negative voltage connector are provided on one side surface of the box body. The total positive voltage connector is connected to one battery module, and the total negative voltage connector is connected to another battery module.

[0011] A battery box structure according to an embodiment of the present invention has at least the following beneficial effects: By providing a box body, the box body includes a plurality of battery modules and a blower. The blower is provided on one side surface of the box body, and the battery modules are provided inside the box body. The battery modules are arranged side by side, and the battery modules are connected in series with each other. Each battery module includes a plurality of battery cell encapsulation structures, and the battery cell encapsulation structures are arranged side by side and connected in series with each other. Among them, a plurality of air inlets are provided on the other two opposite side surfaces of the box body; the battery cell encapsulation structure includes a single battery cell, an air duct plate, and an insulating plate. The air duct plate is attached to one side of the single battery cell, and the insulating plate is attached to the other side of the single battery cell. Furthermore, the air flow of the internal single battery cell can be guided based on the battery cell encapsulation structure, so that the heat dissipation air flow evenly flows between the single battery cells, improving the heat dissipation efficiency of the battery box.

[0012] Other features and advantages of the present invention will be described in the following description, and some will become obvious from the description. The purpose and other advantages of the present invention can be achieved and obtained through the structures specifically pointed out in the description and the drawings. Description of the Drawings

[0013] The drawings are used to provide a further understanding of the technical solutions of the present invention, and constitute a part of the description. They are used together with the embodiments of the present invention to explain the technical solutions of the present invention, and do not constitute a limitation to the technical solutions of the present invention.

[0014] The present invention will be further described below in conjunction with the drawings and embodiments;

[0015] Figure 1 is the overall structure diagram of the battery box structure provided by some embodiments of the present invention;

[0016] Figure 2 is the overall structure diagram of the battery module provided by some embodiments of the present invention;

[0017] Figure 3 is the exploded view of the battery module provided by some embodiments of the present invention;

[0018] Figure 4 is the internal circuit connection diagram of the battery box structure provided by some embodiments of the present invention.

[0019] Reference numerals: box body 1000, battery module 1100, battery cell packaging structure 1110, single battery cell 1111, air duct plate 1112, insulating plate 1113, aluminum busbar 1120, end plate 1130, insulating seat 1140, insulating seat cover plate 1150, fan 1200, air outlet 1300, total positive voltage connector 1400, total negative voltage connector 1500. Detailed implementation manners

[0020] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the drawings. The function of the drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present invention. However, it should not be construed as a limitation on the protection scope of the present invention.

[0021] In the description of the present invention, if the first and the second are described only for the purpose of distinguishing technical features, they should not be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or the sequence of the indicated technical features. It should be understood that such used data can be interchanged under appropriate circumstances so that the embodiments of the present invention described here can be implemented in an order other than those illustrated or described here. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device that includes a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0022] In the description of the present invention, unless otherwise clearly defined, words such as "set", "installed", "connected", etc. should be understood in a broad sense. Those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

[0023] In the prior art, most battery boxes are formed by connecting several single batteries in series side by side. For the heat dissipation of the battery box, the heat dissipation means of large-area air extraction is usually adopted, which cannot make the air flow evenly among each single battery, resulting in uneven local heat dissipation of the battery box and reducing the heat dissipation efficiency of the battery box.

[0024] Based on this, an embodiment of the present utility model provides a battery box structure. By providing a box body, the box body includes a plurality of battery modules and a blower. The blower is arranged on one side surface of the box body, and the battery modules are arranged inside the box body. The battery modules are arranged side by side and are connected in series with each other. Each battery module includes a plurality of cell packaging structures, and the cell packaging structures are arranged side by side and are connected in series with each other. Among them, a plurality of air inlets are provided on the other two opposite side surfaces of the box body; the cell packaging structure includes a single cell, an air duct plate, and an insulating plate. The air duct plate is attached to one side of the single cell, and the insulating plate is attached to the other side of the single cell. Furthermore, based on the cell packaging structure, the air flow inside the single cell can be guided, so that the cooling air flow flows evenly among the single cells, improving the heat dissipation efficiency of the battery box.

[0025] Therefore, the following further elaborates on the embodiments of the present utility model in conjunction with the accompanying drawings.

[0026] Refer to Figure 1 as shown, Figure 1 which is the overall structure diagram of the battery box provided by some embodiments of the present utility model. Figure 2 which is the overall structure diagram of the battery module provided by some embodiments of the present utility model. Figure 3 which is the exploded view of the battery module provided by some embodiments of the present utility model. The battery box structure includes a box body 1000. The box body 1000 includes a plurality of battery modules 1100 and a blower 1200. The blower 1200 is arranged on one side surface of the box body 1000, and the battery modules 1100 are arranged inside the box body 1000. The battery modules 1100 are arranged side by side and are connected in series with each other. Each battery module 1100 includes a plurality of cell packaging structures 1110, and the cell packaging structures 1110 are arranged side by side and are connected in series with each other; the cell packaging structure 1110 includes a single cell 1111, an air duct plate 1112, and an insulating plate 1113. The air duct plate 1112 is attached to one side of the single cell 1111, and the insulating plate 1113 is attached to the other side of the single cell 1111.

[0027] Among them, it can be seen from Figure 1 that a plurality of air inlets 1300 are provided on the other two opposite side surfaces of the box body 1000, so that the air flow inside the box body 1000 can be fully guided to the outside, thereby improving the heat dissipation efficiency of the battery box structure.

[0028] Furthermore, refer to Figure 3 as shown. The battery module 1100 further includes a plurality of aluminum bars 1120. The aluminum bars 1120 are arranged above the poles of the single cells 1111. The aluminum bars 1120 are used to connect the poles of the single cells 1111 in series with each other, so that the cell packaging structures 1110 can be connected in series with each other.

[0029] Further, referring to Figure 2 and Figure 3 as shown, the battery module 1100 further includes an end plate 1130, which is disposed at the front end or the rear end of the battery module 1100, and thus can fix each battery cell packaging structure 1110.

[0030] Further, referring to Figure 3 as shown, the battery module 1100 further includes an insulating seat 1140, which is disposed above the end plate 1130.

[0031] It should be noted that a voltmeter (not labeled), an equalizer (not labeled), and a temperature difference collector (not labeled) can also be provided inside the insulating seat 1140, and the voltmeter, the pressure difference equalizer, and the temperature difference collector are all connected to the single battery cell 1111 based on the aluminum busbar 1120, so as to be able to detect the relevant parameters between each single battery cell 1111 in real time, so as to realize the real-time power balance adjustment of each single battery cell 1111.

[0032] Further, referring to Figure 3 as shown, the battery cell packaging structure 1110 further includes an insulating seat cover plate 1150, which is disposed above the insulating seat 1140.

[0033] Further, referring to Figure 1 and 4 as shown, Figure 4 is the internal circuit connection diagram of the battery box structure provided by some embodiments of the present invention. The box body 1000 includes a total positive voltage connector 1400 and a total negative voltage connector 1500. The total positive voltage connector 1400 and the total negative voltage connector 1500 are both disposed on one side surface of the box body 1000. The total positive voltage connector 1400 is connected to one battery module 1100, and the total negative voltage connector 1500 is connected to another battery module 1100, so as to be able to form a complete DC circuit with the total positive voltage connector 1400, the total negative voltage connector 1500, and each battery module 1100, which is convenient for connecting to an external circuit.

[0034] It should be understood that in the present utility model, "at least one (item)" means one or more, and "a plurality" means two or more. "And / or" is used to describe the association relationship of associated objects, indicating that there can be three relationships. For example, "A and / or B" can represent: only A exists, only B exists, and both A and B exist at the same time. Among them, A and B can be singular or plural. The character " / " generally represents an "or" relationship between the associated objects before and after. "At least one (item) of the following" or its similar expression refers to any combination of these items, including any combination of single item (item) or plural items (items). For example, at least one (item) of a, b or c can represent: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", where a, b, c can be single or multiple.

[0035] The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings. However, the present utility model is not limited to the above embodiments, and various changes can be made without departing from the purpose of the present utility model within the scope of knowledge possessed by those of ordinary skill in the art.

Claims

1. A battery box structure, characterized in that, Comprising: A box body, the box body includes a plurality of battery modules and a blower, the blower is arranged on one side of the box body, the battery modules are arranged inside the box body, the battery modules are arranged side by side, the battery modules are connected in series with each other, the battery module includes a plurality of battery cell packaging structures, the battery cell packaging structures are arranged side by side, and the battery cell packaging structures are connected in series with each other. Among them, a plurality of air inlets are provided on the other two opposite sides of the box body; The battery cell packaging structure includes a single battery cell, an air duct plate and an insulating plate, the air duct plate is attached to one side of the single battery cell, and the insulating plate is attached to the other side of the single battery cell.

2. The battery box structure according to claim 1, characterized in that, The battery module further includes a plurality of aluminum bars, the aluminum bars are arranged above the poles of the single battery cells, and the aluminum bars are used to connect the poles of the single battery cells in series with each other.

3. The battery box structure according to claim 1, wherein, The battery module further includes an end plate, and the end plate is arranged at the front end or the rear end of the battery module.

4. The battery box structure according to claim 3, characterized in that, The battery module further includes an insulating seat, and the insulating seat is arranged above the end plate.

5. The battery box structure according to claim 4, characterized in that, The battery cell packaging structure further includes an insulating seat cover plate, and the insulating seat cover plate is arranged above the insulating seat.

6. The battery box structure according to claim 1, characterized in that The box body includes a total positive voltage connector and a total negative voltage connector, the total positive voltage connector and the total negative voltage connector are both arranged on one side of the box body, the total positive voltage connector is connected to one battery module, and the total negative voltage connector is connected to another battery module.

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