CN221102197U

CN221102197U - Electric power energy storage battery package

Info

Publication number: CN221102197U
Application number: CN202322661294.XU
Authority: CN
Inventors: 孔建锋; 黄佳斌; 张运
Original assignee: ZHEJIANG GBS ENERGY CO Ltd
Current assignee: ZHEJIANG GBS ENERGY CO Ltd
Priority date: 2023-09-28
Filing date: 2023-09-28
Publication date: 2024-06-07
Anticipated expiration: 2033-09-28

Abstract

The utility model belongs to the technical field of battery pack manufacturing, and discloses an electric power energy storage battery pack which comprises a box body and an upper cover, wherein the box body is sealed by the upper cover; and starting the fan, enabling air flow to enter the box body through the air inlet, and enabling the air flow to the air outlet through the heat dissipation air duct. According to the utility model, the radiating fins and the radiating air channels are adopted, so that the radiating surface area of the battery pack is increased, and an effective radiating channel is ensured. This helps to maintain the temperature inside the battery pack within a safe range, preventing overheating of the battery, thereby improving the performance and life of the battery; and through setting up anodal connecting terminal and negative pole connecting terminal, make the battery module can be easily with external circuit connection, realize electric energy input and output.

Description

Electric power energy storage battery package

Technical Field

The utility model belongs to the technical field of battery pack manufacturing, and particularly relates to an electric power energy storage battery pack.

Background

An electrical energy storage battery pack is a battery system for storing electrical energy for future use. The main components of the battery pack comprise a battery cell, a Battery Management System (BMS), a battery pack and the like. The power storage battery pack contains a plurality of battery cells, which are typically composed of lithium ion batteries or other types of batteries. Each battery cell is capable of storing electrical energy and releasing electrical energy when needed. The battery management system is the brain of the battery pack and is responsible for monitoring and managing the status of each cell. It ensures uniform charge and discharge of each cell to extend battery life and avoid overcharging or overdischarging. The battery cells are typically assembled into a battery pack to provide physical protection and heat dissipation. The battery package may also include connectors and a cooling system to ensure that the battery remains at the proper temperature during operation. The working principle of the electric power energy storage battery pack is that electric energy is stored in a battery cell, and when power supply is needed, the stored electric energy is released to an external circuit through a battery management system. This may provide backup power during peak demand or when power is not stable, to balance the power system or to provide emergency backup power.

Conventionally, chinese patent publication No. CN 103947034B discloses a battery pack including a plurality of single cells, a battery holding member accommodating the plurality of single cells, and a resin case accommodating the battery holding member, in which a metal heat radiation plate is insert-molded into the case, a part of the heat radiation plate is exposed on the outer surface side and the inner surface side of the case, and the heat radiation plate exposed on the inner surface side of the case is thermally coupled to the battery holding member. In this way, the battery holding member is brought into contact with the case in a thermally coupled state, and the heat radiation plate exposed to the outside can be used as a heat radiation fin, so that the heat generated by the single cell can be radiated to the outside via the battery holding member, and the battery holding member can be used with high reliability. However, in order to reduce the volume of the battery pack, the distance between the battery modules is relatively short, and in this case, heat energy between a plurality of battery modules cannot be well released, so that the chemical reaction rate inside the battery pack is increased, the battery pack is aged too early, and the battery performance is reduced.

Disclosure of Invention

The utility model aims to provide an electric power energy storage battery which can well release heat energy among battery modules and prolong the service life of a battery pack.

The technical aim of the utility model is realized by the following technical scheme:

The utility model provides an electric power energy storage battery package, includes box and upper cover, and the upper cover seals the box, and the bottom plate of box installs the group battery, and the group battery includes a plurality of battery modules, establishes ties or parallelly connected through the conducting strip between the battery modules, installs the fin between the battery modules, and the fin is equipped with the heat dissipation wind channel, and the air outlet is seted up to the curb plate of box, and air inlet is seted up to the curb plate of upper cover to the installation fan of air outlet department; and starting the fan, enabling air flow to enter the box body through the air inlet, and enabling the air flow to the air outlet through the heat dissipation air duct.

Through adopting above-mentioned technical scheme, through adopting the fin, increased radiating surface area, the effectual heat dissipation passageway has been ensured in the heat dissipation wind channel, can maintain the inside temperature of battery package in safe range, improves battery performance and life-span. Through adopting the fan, with fan and air current passageway matched with, can realize initiative heat dissipation control, ensure that the inside temperature of battery package keeps in the appropriate level can prevent that the battery package from overheated, and then can improve the performance of battery package.

The side plate of the box body is provided with a positive electrode connecting terminal and a negative electrode connecting terminal, and the battery module is connected with the positive electrode connecting terminal and the negative electrode connecting terminal through connecting rows respectively.

Through adopting above-mentioned technical scheme, anodal connecting terminal and negative pole connecting terminal make battery module can be easily with battery management system or other external circuit connection, realize electric energy input and output to and monitor battery state, can provide convenient electrical connection.

Further provided is that a handle is arranged outside the box body.

Through adopting above-mentioned technical scheme, install at the outside handle of box and make the battery package more easily carry and remove, can make to maintain, install or change the battery package more convenient.

And the two ends of the battery pack are provided with the partition boards.

Further provided, the partition board is internally provided with a plurality of cavities.

Through adopting above-mentioned technical scheme, through installing the baffle, increased the physics of battery module and upper cover, box and kept apart, reduced the risk of heat transfer and electric interference, can improve the security and the stability of battery package. The multiple cavities inside the separator provide more heat dissipation surfaces, which can help to reduce the temperature of the battery module, further improving the battery performance and life.

The air inlets are more than one, and the air outlets are more than one.

Through adopting above-mentioned technical scheme, a plurality of air intakes and air outlet have increased the efficiency of circulation of air, help distributing cooling air flow more evenly and improve the radiating effect, can make the performance of battery package under high load or high temperature environment more stable.

Further, a fan cover is arranged outside the fan.

Through adopting above-mentioned technical scheme, protect the fan to avoid the influence of external environment factor through installing the fan cover, the fan cover can prevent that external factor from directly getting into inside the fan, has reduced the wearing and tearing of fan and the risk of trouble.

In summary, the utility model has the following beneficial effects:

1. According to the utility model, the radiating fins and the radiating air channels are adopted, so that the radiating surface area of the battery pack is increased, and an effective radiating channel is ensured. This helps to maintain the temperature inside the battery pack within a safe range, preventing overheating of the battery, thereby improving the performance and life of the battery.

2. The battery module can be easily connected with an external circuit by arranging the positive electrode connecting terminal and the negative electrode connecting terminal, so that the input and output of electric energy and the monitoring of the battery state are realized, and convenient electric connection is provided. In addition, the battery pack is easier to carry and move due to the installation of the external handle, and convenience in operation is improved.

3. According to the utility model, the partition board is arranged, and the plurality of cavities are arranged in the partition board, so that the physical isolation between the battery module and the upper cover and between the battery module and the box body is increased, the risks of heat transfer and electrical interference are reduced, and the safety and stability of the battery pack are improved. Meanwhile, the air inlets and the air outlets improve the ventilation efficiency, are favorable for distributing cooling air flow more uniformly, and enable the performance of the battery pack to be more stable under high-load or high-temperature environments.

Drawings

Fig. 1 is a schematic structural view of a power storage battery pack according to a preferred embodiment;

fig. 2 is a schematic view showing an internal structure of a power storage battery pack according to a preferred embodiment;

FIG. 3 is a schematic view of the structure of the upper cover;

FIG. 4 is a schematic structural view of a blower;

FIG. 5 is a front view of a heat sink;

FIG. 6 is a left side view of a heat sink;

fig. 7 is an internal structure elevation view of a power storage battery pack of the preferred embodiment;

fig. 8 is a left side view of the internal structure of a power storage battery pack according to the preferred embodiment;

FIG. 9 is a top view of the internal structure of a power storage battery pack according to the preferred embodiment;

FIG. 10 is a left side view of a preferred embodiment of a power storage battery pack;

FIG. 11 is a front view of a power storage battery pack of the preferred embodiment;

fig. 12 is a right side view of a preferred embodiment of an electrical energy storage battery pack.

Reference numeral, 1, a box body; 11. an air outlet; 2. an upper cover; 21. an air inlet; 3. a battery pack; 31. a connection row; 32. a battery module; 4. a heat sink; 41. a heat dissipation air duct; 5. a blower; 51. a fan cover; 6. a positive electrode connection terminal; 7. a negative electrode connection terminal; 8. a connection row; 9. a partition plate; 91. a cavity; 10. a handle.

Detailed Description

The preferred embodiments of the present utility model will be described in detail with reference to the accompanying drawings.

As shown in fig. 1-12, a power energy storage battery pack in a preferred embodiment includes a case 1 and an upper cover 2, the upper cover 2 seals the case 1, a battery pack 3 is installed on a bottom plate of the case 1, the battery pack 3 includes a plurality of battery modules 32, the battery modules 32 are connected in series or in parallel through conductive plates 31, a cooling fin 4 is installed between the battery modules 32, the cooling fin 4 is provided with a cooling air duct, a side plate of the case 1 is provided with an air outlet 11, a fan 5 is installed at the air outlet 11, and a side plate of the upper cover 2 is provided with an air inlet 21; the fan 5 is started, air flow enters the box body 1 through the air inlet 21, and flows to the air outlet 11 through the heat dissipation air duct 51. The battery pack 3 is composed of a plurality of battery modules 32, and the battery modules 32 can be connected in series or in parallel through the conductive plates 31 to meet specific electric energy storage requirements. In order to maintain the temperature of the battery pack 3 within a safe range, the heat sink 4 is installed between the battery modules 32. The cooling fins 4 have cooling air channels 41, through which cooling air flows can be guided by the operation of the fans 5. An air outlet 11 is formed in the side plate of the box body 1, a fan 5 is installed at the air outlet 11, and an air inlet 21 is formed in the side plate of the upper cover 2. When the blower 5 is activated, it sucks in external air through the air inlet 21 and then guides the air flow to the space between the battery modules 32 through the heat dissipation duct 51. Such air flow can effectively cool the battery module 32, preventing overheating.

The side plate of the case 1 is provided with a positive electrode connection terminal 6 and a negative electrode connection terminal 7, and the battery module 32 is connected to the positive electrode connection terminal 6 and the negative electrode connection terminal 7 through the connection bars 8, respectively. The side plates of the case 1 are provided with positive and negative connection terminals 6 and 7, which allow the battery module 32 to be connected to a battery management system or other external circuit. These connection terminals enable the battery pack to perform power input and output, as well as monitor the battery state.

Separators 9 are installed at both ends of the battery pack 3. The partition 9 has a plurality of cavities 91 therein. A handle 10 is arranged outside the box body 1. There are a plurality of air inlets 21 and a plurality of air outlets 11. A fan cover 51 is installed outside the fan 5. The battery pack 3 is provided at both ends with separators 9 having a plurality of cavities 91 therein, which improve physical isolation between the battery module 32 and the upper cover 2 and the case 1, and provide an additional heat dissipation surface. Meanwhile, the handle 8 is arranged outside the box body 1, so that the battery pack is easier to carry and move. The fan housing 51 is externally mounted to the fan 5 and serves to protect the fan 5 from the external environment, such as rain, particulate matter and dust.

In actual operation, the present embodiment is first installed in an application requiring energy storage or power. When the battery pack is operated, the blower 5 is started and starts to suck in external air. The air enters the interior of the battery pack through the air inlet 21 and then flows to the air outlet 11 through the heat dissipation duct 51. In the heat dissipation duct 51, air passes through the contact heat sink 4, thereby cooling the battery module 32. This helps to keep the temperature of the battery pack 3 within a safe range, improving the performance and life of the battery.

Meanwhile, the positive electrode connection terminal 6 and the negative electrode connection terminal 7 allow the battery module 32 to be connected with an external circuit, achieve power input and output, and monitor the battery state. The battery pack also improves the safety and stability of the battery module 32 through the separator 9, and the external handle 8 makes the battery pack easier to carry and move. The presence of the fan guard 51 helps to protect the fan 5 from external environmental factors, ensures that the fan 5 can operate properly, and further maintains the performance and reliability of the battery pack.

The present preferred embodiment effectively provides a solution for electric energy storage and power supply by means of control and electrical connection of the heat dissipation system and ensures stability and safety of the battery pack 3 during operation.

The above-described embodiments are merely illustrative of the present utility model and not restrictive, and those skilled in the art, having read the present specification, may make modifications to the present embodiments without creative contribution as required, but are protected by patent laws within the scope of the claims of the present utility model.

Claims

1. The utility model provides an electric power energy storage battery package, including box (1) and upper cover (2), upper cover (2) sealed box (1), its characterized in that, bottom plate installation group battery (3) of box (1), group battery (3) include a plurality of battery module (32), establish ties or parallelly connected through conducting strip (31) between battery module (32), install fin (4) between battery module (32), fin (4) are equipped with heat dissipation wind channel (41), air outlet (11) are seted up to the curb plate of box (1), fan (5) are installed to air outlet (11), air intake (21) are seted up to the curb plate of upper cover (2); the fan (5) is started, air flow enters the box body (1) through the air inlet (21), and flows to the air outlet (11) through the heat dissipation air duct (41).

2. The electric power energy storage battery pack according to claim 1, wherein the side plate of the box body (1) is provided with a positive electrode connecting terminal (6) and a negative electrode connecting terminal (7), and the battery pack (3) is respectively connected with the positive electrode connecting terminal (6) and the negative electrode connecting terminal (7) through a connecting row (8).

3. The power storage battery pack according to claim 2, wherein the battery pack (3) is provided with separators (9) at both ends.

4. A power storage battery pack according to claim 3, wherein the separator (9) has a plurality of cavities (91) therein.

5. The electric energy storage battery pack according to claim 1, wherein a handle (10) is mounted outside the case (1).

6. The power storage battery pack according to claim 1, wherein the number of the air inlets (21) is plural, and the number of the air outlets (11) is plural.

7. The power storage battery pack according to claim 1, wherein a fan cover (51) is installed outside the fan (5).