CN113161659B - Portable movable energy storage box - Google Patents

Abstract

The invention belongs to the technical field of battery temperature control, in particular to a portable and movable energy storage box. Including the box body and the battery compartment, control compartment and air duct arranged in the box, wherein the air duct is set on the rear side of the battery compartment and communicates with the battery compartment and the control compartment; the bottom of the box body is provided with a There are connected air inlet holes, and an air outlet connected to the air duct is arranged on the top of the box body, and a fan assembly is arranged at the air outlet. The present invention adopts the mode of active heat dissipation, improves the temperature field inside the box body, reduces the temperature difference of the air inside the energy storage box, the temperature field of the system is uniform, the system dissipates heat well, and the performance of the battery will not be affected by excessive temperature of the battery.

Description

Portable and removable energy storage box

technical field

The invention belongs to the technical field of battery temperature control, in particular to a portable and movable energy storage box.

Background technique

With the rapid development of my country's economy, the demand for electricity in all walks of life is increasing. At present, the development of container energy storage products is becoming more and more mature, and can already cover most of the outdoor application scenarios in the market. However, some buildings, shopping malls, factories, The demand for electricity in indoor scenes such as basements is also increasing, and there is also a strong demand for efficient energy storage systems. The market urgently needs excellent portable indoor energy storage systems.

In the prior art, there are several kinds of storage batteries that can be applied to indoor energy storage systems. Among them, lithium batteries have superior performance, such as small size, light weight, large usable capacity, long life, fast charging and discharging speed, and green and non-polluting. Complexity and its own physical characteristics are not suitable for working at high temperatures. Excessively high temperatures will greatly reduce the life of the lithium battery and may cause the micelles that wrap the battery to burn and cause an explosion. The existing indoor energy storage system heat dissipation method Passive heat dissipation is the main method. If lithium batteries with fast charging and discharging speeds are used, the battery temperature will be too high due to poor heat dissipation of the system, which will affect the performance of the battery and may cause a fire. This greatly limits the indoor energy storage. system application.

Contents of the invention

In view of the above problems, the embodiment of the present invention provides a portable and movable energy storage box, which can solve the problem of poor heat dissipation of the current indoor energy storage system.

In order to achieve the above object, the present invention adopts the following technical solutions:

A portable and movable energy storage box, including a box body and a battery compartment, a control compartment and an air duct arranged in the box, wherein the air duct is arranged on the rear side of the battery compartment and communicates with the battery compartment and the control compartment; the box body The bottom of the cabinet is provided with an air inlet connected to the battery compartment and the control compartment, and the top of the box is provided with an air outlet connected to the air duct, and a fan assembly is arranged at the air outlet.

In a possible implementation manner, the battery compartment is provided with multi-layer battery guide rails from bottom to top for placing multiple sets of battery modules.

In a possible implementation manner, a rear air duct plate is provided between the battery compartment and the air duct; multiple sets of battery compartment ventilation holes are provided on the rear air duct plate.

In a possible implementation manner, each group of battery compartment ventilation holes is respectively located between two adjacent layers of the battery guide rails, and the battery compartment ventilation holes gradually become larger from top to bottom.

In a possible implementation manner, a side air channel plate is provided between the air channel and the control compartment, and a control compartment ventilation hole is provided on the side air channel plate.

In a possible implementation manner, the bottom of the control compartment is symmetrically provided with a left guide rail and a right guide rail, and a PCS fixing plate is slidably connected to the left guide rail and the right guide rail;

A main control room is arranged on the top of the front end of the control cabin.

In a possible implementation manner, a ventilation passage is provided in the box, and the ventilation passage is located at the front side of the battery compartment and the control compartment and communicates with the battery compartment and the control compartment.

In a possible implementation manner, the bottom of the box body is provided with a bottom ventilation plate, and the air inlet holes are arranged on the bottom ventilation plate.

In a possible implementation manner, universal wheels are provided under the ventilation plate at the bottom; a front door and a rear door panel are respectively provided at the front and rear sides of the box; and suspension rings are provided at the top of the box.

In a possible implementation manner, the fan assembly includes a fan fixing plate and at least one fan installed on the fan fixing plate; the fan fixing plate is installed at the air outlet on the top of the box, and the bottom is connected to the box The body is connected, and the top of the fan fixing plate is equipped with a safety net.

The advantages and beneficial effects of the present invention are: a portable and movable energy storage box provided by the embodiment of the present invention adopts an active heat dissipation method to cool down the inside of the box body, and can store a lithium battery with a fast charging and discharging speed, and the system dissipates heat Well, it will not cause the battery temperature to be too high and affect the performance of the battery.

In the present invention, an air duct is arranged on the rear side of the battery compartment, and the hot air in the box is discharged through the fan assembly, so as to improve the temperature field inside the box, reduce the temperature difference of the air inside the energy storage box, make the temperature field of the system uniform, and at the same time facilitate transportation, and multiple The energy storage boxes are used in parallel.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the description, and are used together with the embodiments of the present invention to explain the present invention, and do not constitute a limitation to the present invention. In the attached picture:

Fig. 1 is an axonometric view of a portable and movable energy storage box in an embodiment of the present invention;

Fig. 2 is an axonometric view of the portable and movable energy storage box with the front door removed in the embodiment of the present invention;

Fig. 3 is the front view of the portable and movable energy storage box in the embodiment of the present invention;

Fig. 4 is the right view of Fig. 3;

Fig. 5 is the top view of Fig. 3;

Fig. 6 is a top view of the bottom of the box in the embodiment of the present invention.

In the figure: 1 is the front door, 2 is the box body, 3 is the suspension ring, 4 is the fan fixing plate, 5 is the universal wheel, 6 is the battery guide rail, 7 is the PCS fixing plate, 8 is the installation plate, and 9 is the rear air duct plate , 901 is the battery compartment ventilation hole, 10 is the side air channel plate, 101 is the control compartment ventilation hole, 12 is the bottom ventilation plate, 13 is the partition, 14 is the rear door panel, 15 is the left guide rail, 16 is the right guide rail, 17 is Crossbeam, 18 is the battery rail connecting plate, 20 is the battery compartment, 21 is the control compartment, 22 is the main control room, 23 is the ventilation aisle, and 24 is the air duct.

detailed description

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation or position indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore It should not be construed as a limitation of the present invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

The portable and movable energy storage box provided by an embodiment of the present invention adopts an active heat dissipation method to ensure the air quality in the box. Lithium batteries with fast charging and discharging speeds can be stored in the box. The system has good heat dissipation and will not cause battery temperature. If it is too high, it will affect the performance of the battery. Referring to Figures 1 to 4, the portable and movable energy storage box includes a box body 2 and a battery compartment 20, a control compartment 21 and an air duct 24 arranged in the box body 2, wherein the air duct 24 is arranged in the battery compartment 20, and communicates with the battery compartment 20 and the control compartment 21; An air outlet, a fan assembly is arranged at the air outlet.

As shown in Fig. 2, in the embodiment of the present invention, the bottom of the box body 2 is provided with a bottom ventilation plate 12, and the air inlet holes are arranged on the bottom ventilation plate 12, that is, there are multiple columns of air inlet holes evenly arranged on the bottom ventilation plate 12 . In this embodiment, the air inlet holes are evenly distributed on the bottom ventilation plate 12, so that the cold air evenly enters the battery compartment 20 and the control compartment 21 of the box body 2, so that the air inside the box body 2 can circulate through the air inlet holes .

Further, universal wheels 5 are provided under the bottom ventilation plate 12, which is convenient for transportation and movement; the front and rear sides of the box body 2 are respectively provided with a front door 1 and a rear door panel 14, and the front door 1 can be opened to facilitate the removal of the battery module. put; the top of the box body 2 is provided with a lifting ring 3, which is convenient for lifting and transportation.

1 and 2, in the embodiment of the present invention, the fan assembly includes a fan fixing plate 4 and at least one fan installed on the fan fixing plate 4; the fan fixing plate 4 is installed at the air outlet on the top of the box body 2 , and the bottom is connected with the box body 2, and the top of the fan fixing plate 4 is provided with a safety net. In this embodiment, three fans are installed on the fan fixing plate 4, and the three fans can work independently, or two or three fans can work together synchronously, which is selected according to actual needs.

Referring to Fig. 2 and Fig. 3, in the embodiment of the present invention, the left and right sides or the left side of the battery compartment 20 are provided with partitions 13, and the partition 13 is provided with multi-layer battery guide rails 6 from bottom to top, and the battery guide rails 6 The battery rail connecting plate 18 is connected to the partitions on both sides, and the multi-layer battery rail 6 is used to place a plurality of battery modules, which facilitates the storage and pick-up of the battery modules. A rear air duct plate 9 is provided between the battery compartment 20 and the air duct 24, and a plurality of sets of battery compartment ventilation holes 901 are arranged on the rear air duct plate 9. The hot air in the battery compartment 20 enters the air duct 24 through the battery compartment vent holes 901. .

In this embodiment, by arranging the multi-layer battery guide rail 6 inside the battery compartment 20, the battery module can be pulled out, thereby improving the space utilization rate of the device, and by reasonably adjusting the actual height of the battery guide rail 6 and the separator 13 The actual location of the battery can reasonably place batteries of different sizes and heights, so as to maximize the use of the internal space of the battery compartment 20 .

In the embodiment of the present invention, each group of battery compartment ventilation holes 901 is respectively located between two adjacent layers of battery guide rails 6 , and each group of battery compartment ventilation holes 901 includes a plurality of strip-shaped openings opened along the transverse direction. Preferably, the width of the ventilation hole 901 of the battery compartment gradually increases from top to bottom, so as to even out the wind speed in the air duct 24 and ensure that the air volume obtained by each battery module is consistent. Turn on the fan, and the hot air in the battery compartment 20 enters the air duct 24 through the battery compartment ventilation hole 901 on the rear air duct plate 9 between the air duct 24 and the battery compartment 20, so that the air in the battery compartment 20 is conveniently replaced. Ensure the air quality in the battery compartment 20 and improve the protection of the storage battery.

Referring to FIG. 4 and FIG. 5 , in the embodiment of the present invention, a side air channel plate 10 is provided between the air channel 24 and the control compartment 21 , and a plurality of control compartment ventilation holes 101 are provided on the side air channel plate 10 . When the blower is turned on, the hot air in the control compartment 21 enters the air duct 24 through the control compartment ventilation holes 101 on the side air channel plate 10, which facilitates the replacement of the air in the control compartment 21 and ensures the air quality in the control compartment 21. Increased protection of control systems.

Referring to Fig. 2, shown in Fig. 3, in the embodiment of the present invention, the bottom of control compartment 21 is symmetrically provided with left guide rail 15 and right guide rail 16, and PCS fixing plate 7 is slidably connected on left guide rail 15 and right guide rail 16, and PCS is fixed Plate 7 is used to fix the PCS. The top of the front end of the control cabin 21 is provided with a main control room 22, and a main control box is arranged in the main control room 22.

Referring to Fig. 4, Fig. 5, and Fig. 6, on the basis of the above-mentioned embodiment, a ventilation channel 23 is provided in the box body 2, and the ventilation channel 23 is located on the front side of the battery compartment 20 and the control compartment 21, and is connected to the battery compartment 20. It communicates with the control compartment 21, and the bottom ventilation plate 12 is provided with an air inlet hole communicated with the ventilation passage 23. The ventilation passage 23 can increase the ventilation area and facilitate heat dissipation.

In a specific embodiment of the present invention, by setting the air duct 24 and the fan, when the temperature in the box 2 is greater than the set temperature, the fan will work, and the hot air in the battery compartment 20 will be supplied by the battery on the rear air duct plate 9. The warehouse vent 901 enters the air duct 24, while the hot air in the control compartment 21 enters the air duct 24 through the control compartment vent 101 on the side air duct plate 10, and then the air outlet on the top of the air duct 24 flows into the air duct 2. The hot air is discharged to cool down the storage battery in the battery compartment 20, improve the constant temperature efficiency, and ensure that the storage battery in the battery compartment 20 is in a constant temperature state.

In the embodiment of the present invention, the box body 2 is a closed structure as a whole, and may adopt structures such as a cube, a cuboid, or other types of structures. Optionally, the box body 2 is provided with a front door 1 for opening the battery compartment 20 and the control compartment 21, which may be in the form of single or double doors. In this embodiment, the box body 2 is a cuboid structure, and the front door 1 is in the form of a single door, as shown in FIG. 1 . Further, in this embodiment, the box body 2 is made of stainless steel, there must be no water leakage on the surface of the box body 2 and the external welding position, and anti-rust treatment is required; all parts of the casing of the box body 2 must be Spray outdoor powder, and all need to spray primer. The inner surface of both sides of the box body 2, the inner surface of the top cover, the inner surface of the front door, and the inner surface of the rear door panel all need to be equipped with thermal insulation cotton.

The invention can achieve the purpose of improving the internal temperature of the energy storage box, reducing the temperature difference of the air inside the box body, making the energy storage equipment in the energy storage box work at a suitable temperature, and ensuring the working performance and service life of the energy storage equipment. At the same time, the temperature field of the system is uniform and consistent, so as to achieve the purpose of energy saving and full utilization of resources.

The invention is convenient for transportation, and multiple energy storage boxes can be used in parallel to improve work efficiency.

Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention also intends to include these modifications and variations.

Claims (4)

1. A portable and movable energy storage box, characterized in that it includes a box body (2) and a battery compartment (20), a control compartment (21) and an air duct (24) arranged in the box body (2), Among them, the air duct (24) is set on the rear side of the battery compartment (20), and communicates with the battery compartment (20) and the control compartment (21); (21) Connected air inlet holes, the top of the box body (2) is provided with an air outlet connected to the air duct (24), and a fan assembly is arranged at the air outlet; The battery compartment (20) is provided with multi-layer battery guide rails (6) from bottom to top for placing multiple sets of battery modules; A rear air duct plate (9) is provided between the battery compartment (20) and the air duct (24); multiple sets of battery compartment ventilation holes (901) are provided on the rear air duct plate (9); each The battery compartment ventilation holes (901) are respectively located between the battery guide rails (6) on two adjacent layers, and the battery compartment ventilation holes (901) gradually become larger from top to bottom; A side air duct plate (10) is provided between the air duct (24) and the control compartment (21), and a control compartment ventilation hole (101) is provided on the side air duct plate (10); The bottom of the control compartment (21) is symmetrically provided with a left guide rail (15) and a right guide rail (16), and a PCS fixing plate (7) is slidably connected to the left guide rail (15) and the right guide rail (16); A main control room (22) is provided at the top of the front end of the control cabin (21); The box body (2) is provided with a ventilation passage (23), and the ventilation passage (23) is located on the front side of the battery compartment (20) and the control compartment (21), and is connected to the battery compartment (20) and the control compartment (21). connected. 2. The portable and movable energy storage box according to claim 1, characterized in that, the bottom of the box body (2) is provided with a bottom ventilation plate (12), and the air inlet hole is arranged on the bottom ventilation plate ( 12) on. 3. The portable and movable energy storage box according to claim 2, characterized in that universal wheels (5) are provided under the bottom ventilation plate (12); the front and rear of the box body (2) The rear side is respectively provided with a front door (1) and a rear door panel (14); the top of the box body (2) is provided with a suspension ring (3). 4. The portable and movable energy storage box according to claim 1, characterized in that, the fan assembly includes a fan fixing plate (4) and at least one fan installed on the fan fixing plate (4); the fan fixing plate (4) Installed at the air outlet on the top of the box (2), and the bottom is connected to the box (2), and the top of the fan fixing plate (4) is provided with a safety net.

Images