阅读说明：本技术 电解液输送组件、电池模组 (Electrolyte conveying assembly and battery module ) 是由 张万财 冯俊敏 吴婷婷 于 2020-07-27 设计创作，主要内容包括：本申请涉及电池领域,具体而言,涉及一种电解液输送组件、电池模组。电池模组包括多个单体电池,每个单体电池均设置有安装孔和防爆阀；密封层,密封层设置有通孔,每个安装孔均与通孔连通；以及储料盒,储料盒开设有出口与储料槽,通孔、储料槽共同形成储存空间。通过储料盒与密封层连接,以形成用于储存电解液的储料槽；当单体电池的防爆阀破裂后,单体电池内部的高温电解液通过通孔进入储料槽内,避免电解液导致FPC低压线速短路造成FPC损坏；储料槽与出口连通,出口用于与外界或者其他部件连通避免储料槽内压力较低导致防爆阀失效；此外,出口还可以输出电解液避免储料槽内储存电解液导致封堵防爆阀影响其性能。(The application relates to the field of batteries, in particular to an electrolyte conveying assembly and a battery module. The battery module comprises a plurality of single batteries, and each single battery is provided with a mounting hole and an explosion-proof valve; the sealing layer is provided with through holes, and each mounting hole is communicated with each through hole; and the storage box is provided with an outlet and a storage trough, and the through hole and the storage trough jointly form a storage space. The storage box is connected with the sealing layer to form a storage tank for storing electrolyte; after the explosion-proof valve of the single battery is broken, high-temperature electrolyte in the single battery enters the storage tank through the through hole, and the damage of the FPC due to the short circuit of the FPC at low voltage and linear speed caused by the electrolyte is avoided; the storage tank is communicated with the outlet, and the outlet is communicated with the outside or other components to avoid the failure of the explosion-proof valve caused by the lower pressure in the storage tank; in addition, the export can also be exported electrolyte and is avoided storing electrolyte in the stock chest to lead to the explosion-proof valve of shutoff to influence its performance.)

1. The utility model provides a battery module which characterized in that, battery module includes:

each single battery is provided with a mounting hole and an explosion-proof valve arranged in the mounting hole;

the sealing layer is provided with through holes, and each mounting hole is communicated with the through hole; and

the storage box is provided with an outlet and a storage trough communicated with the outlet, and the storage box and the single batteries are respectively connected with two opposite surfaces of the sealing layer, so that the mounting hole, the through hole and the storage trough jointly form a storage space.

2. The battery module according to claim 1, wherein the storage case comprises a bottom plate and side plates arranged around the bottom plate, the side plates extend towards one side of the bottom plate facing the sealing layer and one side of the bottom plate facing away from the sealing layer, and the side plates and one side of the bottom plate facing the sealing layer are arranged together to form the storage tank.

3. The battery module according to claim 2, wherein the bottom plate is not parallel to the sealing layer, and the outlet is disposed on the bottom plate and located at a minimum depth of the reservoir.

4. The battery module according to claim 3, wherein the plane of the end of the side plate away from the sealing layer is parallel to the sealing layer.

5. The battery module according to claim 3, wherein the storage case is further provided with an outlet connector, the outlet connector is communicated with the outlet, and the outlet connector is mounted on one side of the bottom plate, which faces away from the sealing layer.

6. The battery module according to any one of claims 1 to 5, wherein the sealing layer is provided with a plurality of the through-holes, and one of the through-holes is in corresponding communication with one of the mounting holes.

7. The battery module according to any one of claims 1 to 5, wherein end plates are attached to the end surfaces of the single batteries at the two ends, one end of the storage box is rotatably connected with one of the end plates, and the other end of the storage box is detachably connected with the other end plate.

8. The electrolyte conveying assembly is characterized in that the electrolyte conveying assembly is used for conveying electrolyte to a single battery after an explosion-proof valve is broken, and the single battery is provided with a mounting hole and the explosion-proof valve mounted in the mounting hole;

the electrolyte conveying assembly comprises a sealing layer and a storage box;

the sealing layer is provided with through holes which can be communicated with all the mounting holes;

the storage box is used for sealing layer sealing connection, the storage box seted up the export and with the stock chest of export intercommunication, the storage box the battery cell respectively with the back is connected on the relative two sides of sealing layer, the mounting hole the through-hole the stock chest forms storage space jointly.

9. The electrolyte delivery assembly of claim 8, wherein the reservoir comprises a bottom plate and a side plate surrounding the bottom plate, the side plate extends towards a side of the bottom plate facing the sealing layer and a side of the bottom plate facing away from the sealing layer, and the side plate and the side of the bottom plate facing the sealing layer together define the reservoir.

10. The electrolyte delivery assembly of claim 9, wherein the reservoirs progressively decrease in depth in a direction toward the outlet.

Technical Field

The application relates to the field of batteries, in particular to an electrolyte conveying assembly and a battery module.

Background

The battery monomer top cap department in the battery module all is equipped with the explosion-proof valve, through the explosion-proof valve pressure release when battery internal pressure is too big, prevents that the battery from because the too big explosion of pressure. However, as the explosion-proof valve is detonated, the high-temperature electrolyte in the battery monomer is diffused to other positions of the module, so that the FPC is short-circuited, and the FPC is damaged.

Disclosure of Invention

An object of the embodiment of this application is to provide an electrolyte delivery assembly, battery module, it aims at improving the condition that current battery monomer explosion-proof valve breaks back electrolyte and leads to FPC to damage.

This application first aspect provides a battery module, and battery module includes:

each single battery is provided with a mounting hole and an explosion-proof valve arranged in the mounting hole;

the sealing layer is provided with through holes, and each mounting hole is communicated with the through hole; and

the storage box is provided with an outlet and a storage trough communicated with the outlet, and the storage box and the single batteries are respectively connected with two opposite surfaces of the sealing layer, so that the mounting hole, the through hole and the storage trough jointly form a storage space.

The storage box is connected with the sealing layer to form a storage space for storing electrolyte; after the explosion-proof valve of the single battery is broken, high-temperature electrolyte in the single battery enters the storage tank through the through hole, and the storage tank can collect the electrolyte and can lead the electrolyte out of the battery module through the outlet; the contact surface of the electrolyte and the single battery is limited to the storage space, the contact area is reduced, and the probability of short circuit damage caused by the fact that the electrolyte is diffused to the FPC and forms a circuit is greatly reduced. The storage tank is communicated with the outlet, and the outlet is communicated with the outside or other components to avoid the failure of the explosion-proof valve caused by the lower pressure in the storage tank; in addition, the export can also be exported electrolyte and is avoided storing electrolyte in the stock chest to lead to the explosion-proof valve of shutoff to influence its performance.

In some embodiments of the first aspect of the present application, the storage box includes a bottom plate and a side plate surrounding the bottom plate, the side plate extends to one side of the bottom plate facing the sealing layer and one side of the bottom plate facing away from the sealing layer, and the side plate and one side of the bottom plate facing the sealing layer together surround to form the storage tank.

The sideboard to the both sides that the bottom plate is relative extend, make the sideboard have the effect that increases storage box load strength, avoid external force effect to lead to the storage box to collapse because of the bearing strength of bottom plate is relatively weak.

In some embodiments of the first aspect of the present application, the floor is not parallel to the sealing layer, and the outlet is disposed in the floor at a minimum depth of the sump.

In some embodiments of the first aspect of the present application, the plane in which the end of the edge panel remote from the sealing layer lies is parallel to the sealing layer.

The plane of the end of the edge plate is parallel to the sealing layer, so that the storage box can be prevented from puncturing other parts.

In some embodiments of the first aspect of the present application, the cartridge is further provided with an outlet fitting in communication with the outlet, the outlet fitting being mounted to a side of the base plate facing away from the sealing layer.

In some embodiments of the first aspect of the present application, the sealing layer is provided with a plurality of said through holes, one said through hole being in corresponding communication with one said mounting hole.

In some embodiments of the first aspect of the present application, end plates are attached to end faces of the single batteries at two ends, one end of the storage box is rotatably connected to one of the end plates, and the other end of the storage box is detachably connected to the other end plate.

The electrolyte conveying assembly is used for conveying electrolyte to a single battery after an explosion-proof valve is broken, and the single battery is provided with a mounting hole and the explosion-proof valve mounted in the mounting hole;

the electrolyte conveying assembly comprises a sealing layer and a storage box;

the sealing layer is provided with through holes and is used for being attached to the end faces of the single batteries so that the through holes can be communicated with all the mounting holes;

the storage box is used for sealing layer sealing connection, the storage box set up the export and with the stock chest of export intercommunication, the storage box with the monomer battery respectively with the back is connected on the relative both sides of sealing layer, the storage box is used for after sealing layer sealing connection, the mounting hole the through-hole the stock chest forms storage space jointly. The storage box in the electrolyte conveying assembly and the sealing layer are matched to avoid the high-temperature electrolyte in the single battery from causing the short circuit of the FPC at low voltage and linear speed, and further avoid a battery management system or a whole vehicle control system from being burnt out.

In some embodiments of the second aspect of the present application, the magazine includes a base plate and a side plate surrounding the base plate, the side plate extends to two opposite sides of the base plate, and the side plate and one side of the base plate together surround the magazine.

In some embodiments of the second aspect of the present application, the depth of the accumulator tank decreases in a direction approaching the outlet.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural diagram illustrating a first state of a battery module according to an embodiment of the present disclosure.

Fig. 2 is a schematic structural diagram illustrating a second state of the battery module according to the embodiment of the present application.

Fig. 3 shows a schematic view of a partial structure of a battery module provided in an embodiment of the present application.

Fig. 4 shows a schematic structural diagram of a first implementation of a sealing layer provided in an example of the present application.

Fig. 5 shows a schematic structural diagram of a second implementation of the sealing layer provided in the examples of the present application.

Fig. 6 shows a schematic structural diagram of a first embodiment of a magazine provided in the examples of the present application.

Fig. 7 shows a schematic structural diagram of a second embodiment of the magazine provided in the examples of the present application.

Fig. 8 shows a schematic structural diagram of a junction of a magazine and a first end plate according to an embodiment of the present application.

Fig. 9 shows a schematic structural diagram of a junction of a magazine and a second end plate according to an embodiment of the present application.

Icon: 100-a battery module; 110-a single cell; 111-mounting holes; 112-an explosion-proof valve; 120-a sealing layer; 121-a through hole; 130-a magazine; 131-a storage tank; 132-edge plates; 133-a base plate; 134-outlet connection; 141-a first end plate; 142-second end plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present application, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, refer to the orientation or positional relationship as shown in the drawings, or as conventionally placed in use of the product of the application, or as conventionally understood by those skilled in the art, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting the present application.

Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.