CN209329006U - Cell installation structure, energy storage module and vehicle - Google Patents

Abstract

The utility model relates to battery technology fields, a kind of battery core mounting structure, energy storage mould group and vehicle are provided, the battery core mounting structure includes bottom plate (10), intermediate plate (60) and the side plate (30) and end plate (40) being arranged on the bottom plate (10)；The side plate (30) and the end plate (40) and the bottom plate (10) form the installation chamber for installing battery core (50)；The intermediate plate (60) is arranged in the installation chamber so that the installation chamber is divided into first chamber and second chamber, and the intermediate plate (60) includes for providing cooling cooling during rolling fluid channel (61) to the first chamber and the second chamber.The battery core mounting structure of the utility model can radiate to battery core in a manner of double-sided cooled, and can also radiate to battery core bottom surface, realize the Homogeneouslly-radiating of energy storage mould group, effectively reduce thermal runaway risk.

Description

Cell installation structure, energy storage module and vehicle

technical field

The utility model relates to the technical field of batteries, in particular to a battery core installation structure, an energy storage module and a vehicle.

Background technique

With the continuous development and expansion of the battery industry, the production capacity has increased dramatically. Whether it is a power battery or an energy storage battery, the efficient storage of energy is an important way to rationally utilize resources from beginning to end. As the basic unit of energy storage, how to form batteries and how to ensure normal operation under working conditions and within the cycle life is the persevering pursuit of the majority of module design engineers.

Energy storage modules, especially power-type energy storage modules, have a large amount of heat dissipation, and air conditioning is often used at the system level, so the design of the module air duct is particularly important. The current air duct design of the energy storage module usually uses one-side cooling to dissipate heat from the cells, and the heat dissipation effect is not good. Uneven, low cooling efficiency, reduced module cycle life, and even thermal runaway.

Utility model content

In view of this, the present utility model aims to provide a battery cell installation structure, an energy storage module and a vehicle, which provide a double-side cooling method to dissipate heat from the battery core, and can also dissipate heat from the bottom surface of the battery core, thereby realizing The uniform heat dissipation of the energy storage module effectively reduces the risk of thermal runaway.

In order to achieve the above object, the technical scheme of the present utility model is achieved in this way:

A cell installation structure, the cell installation structure includes a bottom plate, a middle plate, and side plates and end plates arranged on the bottom plate; the side plates, the end plates and the bottom plate are formed for installing electric a mounting chamber for the core; the intermediate plate is disposed in the mounting chamber to divide the mounting chamber into a first chamber and a second chamber, the intermediate plate includes a The chamber and the second chamber provide cooled intercooling fluid passages.

Optionally, the side plate is provided with a second through hole for providing fluid communication between the installation chamber and the outside world.

Optionally, the base plate includes a bottom cooling fluid channel for providing cooling to the mounting cavity.

Optionally, the bottom plate is provided with a first through hole for providing fluid communication between the mounting chamber and the bottom cooling fluid channel.

Optionally, the intermediate plate is provided with a third through hole for providing fluid communication between the intermediate cooling fluid channel and the first chamber and/or the second chamber.

Optionally, the battery cell installation structure includes a plurality of partitions arranged at intervals in the installation cavity, and a cell accommodating cavity for accommodating the battery cells is formed between the adjacent partition plates, so The cell accommodating chamber communicates with the intermediate cooling fluid channel through the third through hole.

Optionally, the partition plate is arranged perpendicular to the intermediate plate, and the projection of the partition plate on the intermediate plate passes through the third through hole; and/or, the longitudinal section of the partition plate is in a concave-convex shape .

Optionally, one end of the intermediate cooling fluid channel is closed, and the other end is a fluid inlet end; the fluid inlet end of the intermediate cooling fluid channel and the fluid inlet end of the bottom cooling fluid channel are oriented in the same direction.

Compared with the prior art, the battery cell installation structure of the present invention has the following advantages: since the middle plate is arranged in the installation chamber, the middle plate divides the installation chamber into a first chamber and a A second chamber, the intermediate cooling fluid channel of the intermediate plate is capable of providing cooling to the first chamber and the second chamber. The cells are installed in the first chamber and the second chamber respectively, and when the cooling fluid flows through the intermediate cooling fluid channel, the first chamber and the second chamber exchange heat with the cooling fluid through the intermediate plate, so as to realize the first chamber. The cells in the first chamber and the second chamber dissipate heat. Compared with the traditional one-side heat dissipation, this double-sided heat dissipation method improves the heat dissipation efficiency and effectively reduces the risk of thermal runaway.

Another object of the present invention is to provide an energy storage module, the energy storage module includes a plurality of battery cells and the above-mentioned battery cell installation structure, and a plurality of the battery cells are installed in the installation chamber.

Another object of the present invention is to provide a vehicle including the above-mentioned energy storage module.

The energy storage module, the vehicle, and the above-mentioned battery cell installation structure have the same advantages over the prior art, which will not be repeated here.

Other features and advantages of the present invention will be described in detail in the detailed description section that follows.

Description of drawings

The accompanying drawings constituting a part of the present invention are used to provide further understanding of the present invention, and the schematic embodiments of the present invention and descriptions thereof are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

1 is an exploded view of an embodiment of an energy storage module of the present invention;

2 is a schematic structural diagram of a battery cell installation structure of the present invention;

3 is a front view of the battery core installation structure of the present invention;

4 is a side view of the middle plate of the battery cell installation structure of the present invention;

FIG. 5 is a top sectional view of the middle plate of the cell installation structure of the present invention.

Description of reference numbers:

10-bottom plate, 11-bottom cooling fluid channel, 20-busbar, 30-side plate, 32-second through hole, 40-end plate, 50-battery core, 60-intermediate plate, 61-intermediate cooling fluid channel, 62-third through hole, 70-spacer

Detailed ways

It should be noted that the embodiments of the present invention and the features of the embodiments can be combined with each other unless there is conflict.

The present utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

As shown in FIGS. 1 to 5 , the cell installation structure of the present invention includes a bottom plate 10 , a middle plate 60 , and side plates 30 and end plates 40 arranged on the bottom plate 10 ; the side plates 30 and end plates 40 and the bottom plate 10 are formed an installation chamber for installing the cells 50; the middle plate 60 is arranged in the installation chamber to divide the installation chamber into a first chamber and a second chamber, The chamber provides a cooled intercooling fluid passage 61 .

Since the intermediate plate 60 is disposed in the installation chamber, and the intermediate plate 60 divides the installation chamber into the first chamber and the second chamber, the intermediate cooling fluid passage 61 of the intermediate plate 60 can provide the first and second chambers cool down. The cells 50 are installed in the first chamber and the second chamber respectively. When the cooling fluid flows through the intermediate cooling fluid channel 61, the first chamber and the second chamber conduct heat exchange with the cooling fluid through the intermediate plate 60, so as to achieve The cells 50 in the first chamber and the second chamber dissipate heat. Compared with the traditional one-side heat dissipation, this double-sided heat dissipation method improves the heat dissipation efficiency and effectively reduces the risk of thermal runaway.

In order to enable the installation chamber to dissipate heat better, optionally, the side plate 30 is provided with a second through hole 32 for providing fluid communication between the installation chamber and the outside world. When the cooling fluid flows through the intermediate cooling fluid channel 61, the first and second chambers exchange heat with the cooling fluid through the intermediate plate 60, and at the same time, the first and second chambers can also pass through the second through holes 32 conducts heat exchange with the outside world, so as to achieve the purpose of improving heat dissipation efficiency.

In order to improve the heat dissipation efficiency of the bottom of the battery cell 50 , optionally, the bottom plate 10 includes a bottom cooling fluid channel 11 for providing cooling to the installation cavity. When the battery cells 50 are arranged in the installation chamber, the bottom cooling fluid channel 11 can provide cooling to the bottom of the battery cells 50, so that the intermediate cooling fluid channel 61 and the bottom cooling fluid channel 11 together achieve uniform heat dissipation of the battery cells 50, Effectively reduce the risk of thermal runaway.

In order to increase the heat dissipation effect, the inner diameter of the bottom cooling fluid channel 11 can be increased, thereby allowing a larger flow of cooling fluid to pass therethrough. However, when only one bottom cooling fluid channel 11 is provided, if the volume of the bottom cooling fluid channel 11 is increased, the mechanical rigidity of the bottom plate 10 will be reduced, thereby affecting the stability of the cell mounting structure. Thus, optionally, the base plate 10 includes a plurality of bottom cooling fluid passages 11 . That is to say, the purpose of increasing the flow rate of the cooling fluid is achieved by arranging a plurality of bottom cooling fluid channels 11 , and since each bottom cooling fluid channel 11 is independent, the stability of the cell mounting structure will not be affected.

In some embodiments of the present invention, the cooling fluid is cooling liquid, and when the cooling liquid flows through the intermediate cooling fluid channel 61, it indirectly exchanges heat with the first chamber and the second chamber through the intermediate plate 60, thereby reducing the temperature in the first chamber and the second chamber.

In other embodiments of the present invention, the cooling fluid is a cooling gas, and the specific structure of the present invention will be described below by taking the cooling gas as an example.

In order to further improve the heat dissipation performance of the bottom of the battery cell 50 , optionally, the bottom plate 10 is provided with a first through hole for providing fluid communication between the installation chamber and the bottom cooling fluid channel 11 . The advantage of this is that when the cooling gas quickly flows through the first through hole along the bottom cooling fluid channel 11, a negative pressure effect can be generated at the first through hole, and the air generated by the bottom of the battery cell 50 in the installation chamber will be generated. The heat is sucked into the bottom cooling fluid channel 11 through the first through holes, and is discharged along with the cooling fluid, thereby further improving the heat dissipation effect of the bottom of the battery cell 50 .

In order to increase the convenience of maintenance and replacement, optionally, a side edge of the bottom plate 10 is provided with a card slot, and the side plate 30 is provided with a protrusion for engaging with the card slot. When the bottom plate 10 needs to be disassembled, the bottom plate 10 can be separated from the side plate 30 only by removing the protrusion from the slot, which is convenient to operate and saves time and effort.

In addition, the bottom plate 10 can also be detachably connected to the end plate 40 through fasteners such as screws and bolts.

In order to improve the heat dissipation effect of the cooling gas on the first chamber and the second chamber, optionally, the intermediate plate 60 is provided with a fluid communication between the intermediate cooling fluid channel 61 and the first chamber and the second chamber. The third through hole 62 . As shown in FIG. 5 , when the cooling gas passes through the intermediate cooling fluid channel 61 , it can be sprayed from the third through hole 62 to the first chamber and the second chamber respectively, and the cooling gas drives the first chamber and the second chamber The hot gas is exhausted from the second through hole 32 of the side plate 30 together to achieve efficient heat dissipation. It should be understood that, according to different heat dissipation requirements, the third through hole 62 can also be opened only on one side of the intermediate cooling fluid channel 61, that is, only one of the first chamber and the second chamber can be provided with cooling gas.

In order to reduce the mutual influence of the heat generated by the plurality of cells 50 as much as possible, optionally, the cell installation structure includes a plurality of partitions 70 arranged at intervals in the installation cavity, and adjacent partitions 70 are formed to accommodate The cell accommodating chamber of the battery cell 50 communicates with the intermediate cooling fluid channel 61 through the third through hole 62 . The advantage of this arrangement is that even if a certain battery cell 50 generates too much heat, it will not affect other battery cell accommodating chambers, thereby further ensuring the service life of other battery cells 50 .

In some embodiments of the present invention, optionally, the partition plate 70 is arranged perpendicular to the intermediate plate 60 , and the projection of the partition plate 70 on the intermediate plate 60 passes through the third through hole 62 . That is to say, the cooling gas in the intermediate cooling fluid channel 61 can flow through the third through hole 62 into the two cell accommodating chambers on both sides of the separator 70 corresponding to the third through hole 62 respectively.

In order to enable the cooling gas to smoothly flow into the two cell accommodating chambers on both sides of the separator 70, optionally, the longitudinal section of the separator 70 is in a concave-convex shape. In this way, the cooling gas can smoothly flow into the cell accommodating chamber through the space of the concave portion.

In order to allow more cooling gas entering the intermediate cooling fluid channel 61 to be discharged from the third through hole 62 into the first chamber or the second chamber, optionally, one end of the intermediate cooling fluid channel 61 is closed, and the other end is filled with fluid. Inlet end; compared with the solution in which both ends of the intermediate cooling fluid channel 61 are open, the flow rate and flow rate of the cooling gas at the third through hole 62 can be increased, thereby improving the heat dissipation effect.

It should be understood that the extending direction of the intermediate cooling fluid channel 61 may be different from the extending direction of the bottom cooling fluid channel 11 , that is, the cooling gas flow direction in the intermediate cooling fluid channel 61 may be different from the cooling gas flow direction in the bottom cooling fluid channel 11 Flow direction. However, in order to save costs and utilize energy efficiently, optionally, the fluid inlet end of the intermediate cooling fluid channel 61 is oriented in the same direction as the fluid inlet end of the bottom cooling fluid channel 11 . In this way, only one cooling gas source is provided to allow the cooling gas to enter the intermediate cooling fluid channel 61 and the bottom cooling fluid channel 11 at the same time, and other cooling gas sources or connecting pipes need not be provided.

It should be understood that the cooling gas can be provided to the intermediate cooling fluid channel 61 in various ways. In some embodiments of the present invention, optionally, the cell mounting structure includes a fan disposed at one end of the intermediate cooling fluid channel 61 .

The utility model also provides an energy storage module, the energy storage module includes a plurality of cells 50 and the above-mentioned cell installation structure, the plurality of cells 50 are installed in the installation chamber, and the upper ends of the plurality of cells 50 They are respectively connected to the bus bars 20 .

The utility model also provides a vehicle, which includes the above-mentioned energy storage module.

The energy storage module and the vehicle of the present utility model can dissipate heat to the cell in a double-side cooling manner because of the above-mentioned battery cell installation structure, and can also dissipate heat from the bottom surface of the cell, thereby realizing the energy storage module. Uniform heat dissipation, effectively reducing the risk of thermal runaway.

The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the present invention. within the scope of the new protection.

Claims (10)

1. A cell installation structure, characterized in that the cell installation structure comprises a bottom plate (10), a middle plate (60), and side plates (30) and end plates ( 40); The side plate (30), the end plate (40) and the bottom plate (10) form an installation cavity for installing the battery cell (50); The intermediate plate (60) is provided in the installation chamber to divide the installation chamber into a first chamber and a second chamber, the intermediate plate (60) includes a The chamber and the second chamber provide a cooled intercooling fluid channel (61). 2 . The battery cell installation structure according to claim 1 , wherein the side plate ( 30 ) is provided with a second through hole ( 32 ) that provides fluid communication between the installation chamber and the outside. 3 . 3. The cell mounting structure according to claim 1, wherein the bottom plate (10) comprises a bottom cooling fluid channel (11) for providing cooling to the mounting chamber. 4. The battery cell mounting structure according to claim 3, wherein the bottom plate (10) is provided with a first fluid communication between the mounting chamber and the bottom cooling fluid channel (11). through hole. 5. The battery cell installation structure according to claim 3, wherein the intermediate plate (60) is provided with a connection between the intermediate cooling fluid channel (61) and the first chamber and/or the first chamber and/or the first chamber. A third through hole (62) provides fluid communication between the two chambers. 6. The cell installation structure according to claim 5, wherein the cell installation structure comprises a plurality of partitions (70) arranged at intervals in the installation cavity, and adjacent partitions (70) 70) A cell accommodating chamber for accommodating the cell (50) is formed between the cells, and the cell accommodating chamber communicates with the intermediate cooling fluid channel (61) through the third through hole (62) . 7. The battery cell installation structure according to claim 6, wherein the separator (70) is arranged perpendicular to the middle plate (60), and the separator (70) is positioned on the middle plate (60). ) on the projection passes through the third through hole (62); and/or, the longitudinal section of the partition plate (70) is in a concave-convex shape. 8. The battery cell installation structure according to claim 3, wherein one end of the intermediate cooling fluid channel (61) is closed, and the other end is a fluid inlet end; the fluid of the intermediate cooling fluid channel (61) enters The end is oriented in the same direction as the fluid inlet end of the bottom cooling fluid channel (11). 9. An energy storage module, characterized in that the energy storage module comprises a plurality of battery cells (50) and the battery cell installation structure according to any one of claims 1-8, a plurality of the battery cells A core (50) is installed in the installation cavity. 10. A vehicle, wherein the vehicle comprises the energy storage module of claim 9.