CN216288707U - Power battery module and electric equipment - Google Patents

Abstract

The application provides a power battery module and consumer, power battery module include frame, a plurality of group battery, median septum and encapsulating stand pipe, and the group battery includes a plurality of electric cores that pile up in proper order, and each group battery sets up in the frame along the direction interval that piles up of perpendicular to electric core, is provided with the encapsulating clearance between every two adjacent group batteries. The median septum sets up in the encapsulating clearance, and with group battery looks interval. One end of the glue filling guide pipe is arranged towards the glue filling gap, and the other end of the glue filling guide pipe is erected at the top end of the battery pack. This application is through setting up the encapsulating stand pipe for it is more convenient when encapsulating to the encapsulating clearance between the two adjacent group battery, guaranteed the two sides of median septum abundant rubber coating, ensured the bonding strength between median septum and the battery pack, consequently, power battery module and consumer that this application provided can solve among the prior art problem that battery structural strength is not high, structural stability is poor.

Description

Power battery module and electric equipment

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of batteries, in particular to a power battery module and electric equipment.

[ background of the utility model ]

With the development of society and the advance of new energy strategy, batteries have more and more important application in daily life, and the batteries are core energy supply components no matter in electric automobiles or electronic equipment, so that the requirements of people on the batteries are more and more strict.

However, the battery in the prior art has low structural strength and poor structural stability.

[ Utility model ] content

In view of this, the present application provides a power battery module, which is used to solve the problems of low structural strength and poor structural stability of the battery in the prior art.

The application provides a power battery module, including frame, a plurality of group battery, median septum and encapsulating stand pipe, the group battery includes a plurality of electric cores that pile up in proper order, and each group battery sets up in the frame along the direction interval that piles up of perpendicular to electric core, is provided with the encapsulating clearance between every two adjacent group batteries. The median septum sets up in the encapsulating clearance, and with group battery looks interval. One end of the glue filling guide pipe is arranged towards the glue filling gap, and the other end of the glue filling guide pipe is erected at the top end of the battery pack.

In the above scheme, the glue filling gap between the two adjacent battery packs is filled with glue through the glue filling guide pipe, the glue filling gap can be conveniently filled, the side wall of the upper end of the glue filling guide pipe can block overflow glue from flowing out, and the top end of the battery pack is prevented from being polluted by the glue. After glue filling is finished, the middle partition plate is inserted into the glue filling gap along the glue filling guide pipe, glue materials can be uniformly coated on the two sides of the middle partition plate, the middle partition plate can be conveniently mounted, and the extra lap joint fixing position of the middle partition plate is reduced.

In one possible design, the glue-pouring guide pipe comprises a narrow-mouth end and a wide-mouth end, the narrow-mouth end is arranged towards the glue-pouring gap, and the wide-mouth end is arranged upwards.

In the above scheme, the pipeline of encapsulating stand pipe is lou hopper-shaped, and the wide-mouth end sets up, can make things convenient for the encapsulating device operation through the wide-mouth end encapsulating, has reduced the location requirement of encapsulating device, has improved the fault-tolerant rate of operation.

In one possible design, the side surface of the wide-mouth end is extended to be provided with a lap joint part, and the lap joint part is connected with the top end of the battery pack.

In the above scheme, set up overlap joint portion and can guarantee that the encapsulating stand pipe is equipped with the one end of wide-mouth end and be located the top surface of group battery to encapsulating device can be at a certain distance away from the top surface of group battery when guaranteeing the encapsulating, has improved yield and security in the production process.

In one possible design, the side of the bridging portion that is closer to the top end of the battery pack is provided with a protrusion that extends in the vertical direction.

In the above scheme, set up the bellying and further increased the distance between the one end that the encapsulating stand pipe was equipped with the wide-mouth end and the top surface of group battery, when practicing thrift the encapsulating stand pipe material, increased safe distance for the production process of power battery module is more stable, safe.

In one possible design, the power battery module further comprises a structural adhesive layer, and the structural adhesive layer is arranged between the middle partition plate and the battery pack.

In the above scheme, set up the structure glue film in median septum both sides and can bond the group battery of median septum and median septum both sides fixedly, so, improved the structural strength of power battery module.

In one possible design, the top end of the potting guide tube is higher than the top end of the battery pack in the vertical direction.

In the above scheme, the top of encapsulating stand pipe is higher than the top of group battery in vertical direction, consequently, at the encapsulating in-process, the lateral wall on encapsulating stand pipe top can play the effect of blockking, prevents that the sizing material from polluting the top of group battery.

In a possible design, the outer frame includes a bottom plate and a side plate disposed around the periphery of the bottom plate, the bottom plate and the side plate are connected to form an accommodating cavity, the battery pack is disposed in the accommodating cavity, and the bottom end of the battery pack is abutted to the bottom plate.

In the above-mentioned scheme, through the position of the frame structure restriction group that bottom plate and along the curb plate enclose and form, in addition, the frame structure also possesses certain structural strength, can protect fragile group battery.

In one possible embodiment, cooling channels for the flow of the medium are provided in the base plate.

In the above scheme, cooling channel can be connected with external circulation cooling device, can be to the group battery cooling through the continuous flow of external circulation cooling device drive medium in cooling channel, has improved the security of power battery module.

In one possible design, the width of the glue gap is less than or equal to 3 mm.

In above-mentioned scheme, the width less than or equal to 3mm in encapsulating clearance can practice thrift the occupation of land space of power battery module for the power battery module is compacter.

The application also provides an electric device, and the power battery module includes above-mentioned arbitrary power battery module. It can be understood that the electric equipment comprises the power battery module, so that the electric equipment has the advantages of the power battery module obviously.

Additional features and advantages of embodiments of the present application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of embodiments of the present application. The objectives and other advantages of the embodiments of the application will be realized and attained by the structure particularly pointed out in the written description and drawings.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a power battery module according to an embodiment of the present disclosure;

fig. 2 is an exploded view of a power battery module according to an embodiment of the present disclosure;

fig. 3 is a schematic position diagram of a glue pouring guide tube and a middle partition plate according to an embodiment of the present disclosure;

fig. 4 is a schematic cross-sectional view of a power battery module according to an embodiment of the present disclosure;

FIG. 5 is an enlarged view taken at A in FIG. 4;

fig. 6 is a schematic structural diagram of an electric device according to an embodiment of the present application.

Description of reference numerals:

100-a power battery module;

200-a power consumer;

1-an outer frame;

11-a base plate;

12-side plates;

2-a battery pack;

21-electric core;

22-glue pouring gap;

3-a middle partition plate;

4-glue pouring guide pipe;

41-narrow end;

42-wide mouth end;

421-lap joint;

422-a boss;

5-structural adhesive layer.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

[ detailed description ] embodiments

For better understanding of the technical solutions of the present application, the following detailed descriptions of the embodiments of the present application are provided with reference to the accompanying drawings.

It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. 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.

The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It should be noted that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

For clarity and conciseness of the following description of the various embodiments, a brief introduction to related concepts or technologies is first presented:

in this application, the battery cell may be a lithium ion secondary battery, a lithium ion primary battery, a lithium sulfur battery, a sodium lithium ion battery, a sodium ion battery, a magnesium ion battery, or the like, which is not limited in this application. The battery cell can be a cylinder, a flat body, a cuboid or other shapes, and the like, and the embodiment of the application is not limited to the above. The cells are generally divided into three types according to the packaging mode: cylindricality electric core, square electric core and soft packet of electricity core, this application embodiment is also not limited to this.

The power battery module mentioned in the embodiments of the present application refers to a single physical module including one or more battery cells to provide higher voltage and capacity. For example, the power battery module mentioned in this application may include a plurality of battery packs or battery packs, and the battery pack may be formed by combining a plurality of battery cells, and the power battery module generally further includes a box body for enclosing each battery cell. The box body can avoid liquid or other foreign matters from influencing the charging or discharging of the battery cell.

The battery cell comprises an electrode assembly and electrolyte, wherein the electrode assembly comprises a positive electrode plate, a negative electrode plate and an isolating membrane. The battery core mainly depends on metal ions to move between the positive pole piece and the negative pole piece to work. The positive pole piece includes anodal mass flow body and anodal active substance layer, and anodal active substance layer coats in anodal mass flow body's surface, and the anodal mass flow body protrusion in the anodal mass flow body that has coated anodal active substance layer of uncoated anodal active substance layer, and the anodal mass flow body that does not coat anodal active substance layer is as anodal utmost point ear. Taking a lithium ion battery as an example, the material of the positive electrode current collector may be aluminum, and the positive electrode active material may be lithium cobaltate, lithium iron phosphate, ternary lithium, lithium manganate, or the like. The negative pole piece includes negative pole mass flow body and negative pole active substance layer, and the negative pole active substance layer coats in the surface of negative pole mass flow body, and the negative pole mass flow body protrusion in the negative pole mass flow body of coating the negative pole active substance layer not coating the negative pole active substance layer, and the negative pole mass flow body of not coating the negative pole active substance layer is as negative pole utmost point ear. The material of the negative electrode current collector may be copper, and the negative electrode active material may be carbon, silicon, or the like. In order to ensure that the fuse is not fused when a large current is passed, the number of the positive electrode tabs is multiple and the positive electrode tabs are stacked together, and the number of the negative electrode tabs is multiple and the negative electrode tabs are stacked together. The material of the isolation film may be PP (polypropylene) or PE (polyethylene). In addition, the electrode assembly may have a winding structure or a lamination structure, and the embodiment of the present application is not limited thereto.

Referring to fig. 1 and fig. 2, a power battery module 100 generally includes a plurality of groups of battery packs 2, and each group of battery packs 2 includes a plurality of cells 21 stacked in sequence. After power battery module 100 is in a period of time's use, electric core 21 can be ageing and its volume also has certain inflation, and a plurality of electric core 21 inflation that pile up in proper order back, the whole size that piles up the orientation at electric core 21 of group battery 2 can increase. In order to prevent the expanded battery pack 2 from damaging the housing or frame of the power battery module 100, in the prior art, the middle partition plate 3 is often disposed between the adjacent battery packs 2 and glue is applied to both sides of the middle partition plate 3, so that the middle partition plate 3 is adhered to the side surfaces of the battery packs 2, thereby limiting the expansion of the battery packs 2 in the stacking direction of the battery cells 21.

It can be understood that the more sufficient the glue is applied to both sides of the middle separator 3, the more closely the middle separator 3 is adhered to the battery pack 2, and the better the effect of restricting the swelling of the battery pack 2 is. However, along with the integration of the power battery module 100, the size is smaller and smaller, the glue filling gap 22 between two adjacent battery packs 2 is also smaller and smaller, the middle partition plate 3 is difficult to accurately place, and the middle partition plate 3 can be easily placed to one side of the battery pack 2 after being placed, so that the middle partition plate 3 can be unevenly and incompletely coated with glue on the side where the middle partition plate 3 is placed to the battery pack 2, the expansion effect of the middle partition plate 3 on the battery pack 2 is further influenced, the overall structural strength of the power battery module 100 is also influenced, and potential safety hazards are brought.

In order to solve the above problem, the inventor sets a glue filling guide tube 4 in the power battery module 100, and the glue filling guide tube 4 is erected between two adjacent battery packs 2 and is set towards the glue filling gap 22. Utilize the guide effect of encapsulating stand pipe 4 to make the sizing material can be accurate to pour into the encapsulating clearance 22 between two adjacent group battery 2 in, insert median septum 3 in encapsulating clearance 22 after the encapsulating finishes to make the two sides of median septum 3 can both coat the sizing material, thereby guarantee that median septum 3 can both keep firm the connection through the group battery 2 of sizing material and 3 both sides of median septum, and then improved power battery module 100's structural strength and security.

The power battery module 100 of the present application can be applied to a notebook computer, a pen-input computer, a mobile computer, an electronic book player, a portable phone, a portable facsimile machine, a portable copier, a portable printer, a headphone, a video recorder, a liquid crystal television, a watch, a sport bracelet, a portable cleaner, a portable CD player, a mini disc, a transceiver, an electronic organizer, a calculator, a memory card, a portable recorder, a radio, a backup power supply, a motor, an automobile, a motorcycle, a power-assisted bicycle, a lighting apparatus, a toy, a game machine, an electric tool, a flashlight, a lithium ion capacitor, and the like.

In some embodiments, the power Battery module 100 of the present disclosure may also be applied to an Electric Vehicle/Electric Vehicle (EV), a Pure Electric Vehicle (Pure Electric/Battery Electric Vehicle, PEV/BEV), a Hybrid Electric Vehicle (HEV), a Range Extended Electric Vehicle (REEV), a Plug-in Hybrid Electric Vehicle (PHEV), a New Energy Vehicle (New Energy Vehicle), a Motor & Driver (Motor & Driver), and the like.

The following describes a specific embodiment of the structure of the power battery module according to the embodiment of the present application.

The application provides a power battery module 100, please refer to fig. 1 and 2, which includes an outer frame 1, a plurality of battery packs 2, a middle partition plate 3 and a glue filling guide tube 4, wherein the battery packs 2 include a plurality of battery cells 21 stacked in sequence along a first direction, each battery pack 2 is disposed in the outer frame 1 at intervals along a second direction perpendicular to the first direction, and the outer frame 1 can be a box structure for holding the battery packs 2. A glue filling gap 22 is arranged between every two adjacent battery packs 2, the distance of the glue filling gap 22 can be less than or equal to 3mm, and the middle partition plate 3 is inserted into the glue filling gap 22 and is spaced from the battery packs 2 on two sides. One end of the glue filling guide pipe 4 is arranged towards the glue filling gap 22, and the other end of the glue filling guide pipe 4 is erected at the top ends of the two adjacent battery packs 2.

The power battery module 100, whole appearance can be the cuboid structure, can be cuboid or square. The power battery module 100 may be a product formed by assembling the battery cells 21 in a series-parallel connection manner and installing a single battery monitoring and managing device. The structure of the power battery module 100 must support, fix and protect the battery cell 21. The power battery module 100 basically comprises: the module comprises a module controller, battery cells, a conductive connecting piece, a plastic frame, a cold plate, a cooling pipeline, two end pressing plates and a set of fasteners for combining the components.

The outer frame 1 may be a box structure, which may include a receiving portion and a covering portion, which may be various shapes. The outer frame 1 is provided with a cavity for placing the battery pack 2, the opening of the outer frame 1 can be provided with sealing structures such as a sealing plate or a sealing cover, and the outer frame 1 is sealed by the sealing plate after the battery pack 2 is loaded.

The middle partition board 3 may be a plate-shaped structure that is arranged in the glue filling gap 22 and extends in the vertical direction, two surfaces of the middle partition board 3 respectively face the two battery packs 2, two surfaces of the middle partition board 3 are coated with glue, and the middle partition board 3 is bonded with the side surfaces of the battery packs 2 through the glue.

The glue filling guide pipe 4 can be made of plastic, rubber and other materials, please refer to fig. 5, the cross-sectional shape of the glue filling guide pipe 4 is funnel-shaped with a large top and a small bottom, two sides of the glue filling guide pipe 4 are provided with hook-shaped parts in an extending manner, the hook-shaped parts at two sides of the glue filling guide pipe 4 are used for being abutted against the top ends of the battery packs 2, the top view of the glue filling guide pipe 4 is rectangular, the length of the rectangle is matched with the length of the middle partition plate 3 and the length of the glue filling gap 22 between the two battery packs 2, and the width of the rectangle is slightly larger than the width of the glue filling gap 22.

The glue filling gap 22 refers to a gap formed by two adjacent battery packs 2 at intervals, and the width of the gap can be set according to the thickness of the middle partition plate 3, the filling amount of glue and other factors. In actual equipment process, can fill the encapsulating to encapsulating clearance 22 between two adjacent group battery 2 through encapsulating stand pipe 4, so, can utilize the guide effect of encapsulating stand pipe 4 to conveniently fill encapsulating clearance 22, and the lateral wall of the 4 upper ends of encapsulating stand pipe can block the outflow of excessive glue, avoids the top of sizing material pollution group battery 2. After the glue filling is finished, the middle partition plate 3 is inserted into the glue filling gap 22 along the glue filling guide pipe 4, so that both sides of the middle partition plate 3 can be uniformly coated with glue, the middle partition plate 3 can be conveniently mounted, the mounting efficiency of the middle partition plate 3 is improved, and the extra lap joint fixing part of the middle partition plate 3 is reduced.

In one embodiment, the glue guiding tube 4 includes a narrow end 41 and a wide end 42, the narrow end 41 is disposed toward the glue filling gap 22, and the wide end 42 is disposed upward.

The pipe section area at the narrow end 41 is small, and the narrow end 41 can partially extend into the glue filling gap 22 to avoid glue leakage.

The pipeline cross sectional area of wide-mouth end 42 department is great, and the both sides of wide-mouth end 42 can set up protruding or arbitrary overlap joint structure to the top of two adjacent group battery 2 is set up to the both sides of convenient wide-mouth end 42.

Referring to fig. 3, 4 and 5, the inner pipe of the glue-pouring guide tube 4 is funnel-shaped, the wide-mouth end 42 is disposed upward, and the glue-pouring device can be any device or equipment capable of delivering glue to the glue-pouring gap 22, and can be driven by a human or an automated equipment with a guide rail. The glue filling device can fill glue into the glue filling gap 22 along the wide-mouth end 42, so that the positioning requirement of the glue filling device is reduced, the operation of the glue filling device is facilitated, and the fault tolerance of the operation is improved. In addition, when the middle partition plate 3 is inserted, the funnel-shaped glue pouring guide pipe 4 can also play a role in guiding, and the convenience in operation is improved.

In one embodiment, referring to fig. 5, the side of the wide-open end 42 is extended with a lap joint portion 421, and the lap joint portion 421 is connected to the top end of the battery pack 2.

The lap joint part 421 may be a support structure provided at the wide-open end 42 to extend in the horizontal direction, and the lap joint part 421 may abut against the top ends of the adjacent two battery packs 2.

When installation encapsulating stand pipe 4, can stretch into encapsulating clearance 22 with the narrow mouth end 41 of encapsulating stand pipe 4, and set up the overlap joint portion 421 of wide mouth end 42 in the top surface of group battery 2, fix a position accurately, convenient operation. The encapsulating device can be apart from the top surface of group battery 2 at a certain distance when encapsulating, has increased safe distance, has improved yield and security in the production process.

In one embodiment, referring to fig. 4 and 5, a protrusion 422 extending in a vertical direction is disposed on one side of the overlapping portion 421 close to the top end of the battery pack 2.

The protrusion 422 may be a protrusion structure extending in a vertical direction on the overlapping portion.

Set up bellying 422 and further increased the distance between the one end that encapsulating stand pipe 4 was equipped with wide-mouth end 42 and the top surface of group battery 2, when practicing thrift the 4 materials of encapsulating stand pipe, increased safe distance for power battery module 100's production process is more stable, safe. In addition, the common bending structure that forms of overlap joint portion 421 and bellying 422 can make things convenient for the location of encapsulating stand pipe 4, for example, can set up the protruding location structure that corresponds at the top surface of group battery 2, so for the installation of encapsulating stand pipe 4 is convenient more, swift.

In one embodiment, the power battery module 100 further includes a structural adhesive layer 5, and the structural adhesive layer 5 is disposed between the middle separator 3 and the battery pack 2.

The structural glue layer 5 may be obtained by curing the glue after it has been poured into the glue filling gap 22.

Referring to fig. 5, the structural adhesive layers 5 disposed on the two sides of the middle partition plate 3 can bond and fix the middle partition plate 3 and the battery packs 2 on the two sides of the middle partition plate 3, so as to improve the structural strength of the power battery module 100. The structural adhesive layer 5 can be formed after the glue material injected into the glue filling gap 22 is cured, the structural adhesive layer 5 not only can play a role in adhering and fixing, but also has certain buffering capacity, and the safety of the power battery module 100 is improved.

In one embodiment, the top end of the potting guide tube 4 is higher than the top end of the battery pack 2 in the vertical direction.

Referring to fig. 4, the top end of the glue filling guide tube 4 is higher than the top end of the battery pack 2 in the vertical direction, so that the side wall of the top end of the glue filling guide tube 4 can play a role in blocking in the glue filling process, and prevent the glue material from polluting the top end of the battery pack 2.

In one embodiment, the outer frame 1 includes a bottom plate 11 and a side plate 12 disposed around the periphery of the bottom plate 11, the bottom plate 11 and the side plate 12 are connected to form a receiving cavity, the battery pack 2 is disposed in the receiving cavity, and the bottom end of the battery pack 2 abuts against the bottom plate 11.

The bottom plate 11 may be a plate-like structure extending in a horizontal plane.

The side plates 12 may be plate-shaped structures extending in the vertical direction, and the height of the side plates 12 is slightly higher than that of the battery pack 2.

Referring to fig. 2, the side plates 12 may be connected by a common fixing structure, and the position of the battery pack 2 may be limited by the bottom plate 11 and the outer frame 1 structure formed around the side plates 12, and in addition, the outer frame 1 structure also has a certain structural strength, so as to protect the fragile battery pack 2.

In one embodiment, the bottom plate 11 has cooling channels for the medium to flow through.

Referring to fig. 4, the cooling channel may be bent in an "S" shape in the bottom plate 11 to increase a heat exchange area, two ends of the cooling channel may be connected to an external circulation cooling device, the circulation cooling device may be a water pump-driven circulation system, and the battery pack 2 may be cooled by driving a medium to continuously flow in the cooling channel through the external circulation cooling device, so as to improve the safety of the power battery module 100.

In one embodiment, the width of the glue gap 22 is less than or equal to 3 mm.

The width of the glue filling gap 22 is less than or equal to 3mm, so that the occupied space of the power battery module 100 can be saved, and the power battery module 100 is more compact.

An example of an assembly process of the power battery module 100 in the embodiment of the present application is given below:

first, a plurality of battery cells 21 are taken out, the battery cells 21 are sequentially arranged in the horizontal direction, electrodes of the battery cells 21 face upwards, the side surfaces of two adjacent battery cells 21 are spliced with each other, and glue can be arranged between the two adjacent battery cells 21 so that the battery cells 21 are fixed and form the battery pack 2.

And secondly, combining the bottom plate 11 and the side plate 12 to form an outer frame 1, fixing the bottom plate 11 and the side plate 12 through gluing, welding, bolt connection and other modes, and forming a box body structure with a cavity after the outer frame 1 is assembled.

Thirdly, arranging a plurality of battery packs 2 in a direction perpendicular to the stacking direction of the battery cells 21 and placing the battery packs on the bottom plate 11 of the outer frame 1, wherein a common bolt connection structure or a common clamping structure can be arranged between the battery packs 2 and the bottom plate 11 and the side plates 12, so that the positions of the battery packs 2 relative to the outer frame 1 are fixed. And each group battery 2 is parallel to each other and arranges, and the distance between each group battery 2 can be the same or different, and the distance between two adjacent group batteries 2 can set up according to actual demand is nimble, can suitably shorten the distance between two adjacent group batteries 2 when the occupation of land space of power battery module 100 is practiced thrift to needs, when needs set up thicker median septum 3 in order to strengthen power battery module 100's structural strength, can suitably increase the distance between two adjacent group batteries 2.

Fourthly, inserting one side of the narrow opening end 41 of the glue filling guide pipe 4 into the glue filling gap 22 between the two adjacent battery packs 2, erecting one side of the wide opening end 42 of the glue filling guide pipe 4 on the top ends of the two adjacent battery packs 2, and abutting and fixing the two sides of the glue filling guide pipe 4 with the two adjacent battery packs 2.

And fifthly, aligning the glue filling device to the wide-mouth end 42 of the glue filling guide pipe 4, enabling the glue to enter the glue filling gap 22 between two adjacent battery packs 2 along the glue filling guide pipe 4, wherein in the glue filling process, the side wall at the upper end of the glue filling guide pipe 4 can prevent the overflowing glue from flowing out, and the glue is prevented from polluting the top ends of the battery packs 2.

Sixthly, insert the median septum 3 in the encapsulating clearance 22 along encapsulating stand pipe 4, during the operation, aim at encapsulating stand pipe 4 with median septum 3, promote median septum 3 later and insert in encapsulating clearance 22 along encapsulating stand pipe 4, because partial sizing material has been filled in encapsulating clearance 22, so at the in-process that promotes median septum 3, the sizing material can be filled naturally in 3 both sides of median septum and the 2 looks interval spaces of group battery in the extrusion of median septum 3 down, thereby guaranteed that 3 two sides of median septum can both coat the sizing material, and then improved power battery module 100's structural stability.

The power battery module 100 assembled by adopting the steps has high structural strength and good structural stability, and can improve the assembly efficiency and the production benefit.

Referring to fig. 6, the present application further provides an electric device 200, and the power battery module 100 includes any one of the power battery modules 100 described above. It can be understood that the electric device 200 includes the power battery module 100, so that it has the advantages of the power battery module 100.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

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

an outer frame;

the battery packs comprise a plurality of electric cores which are sequentially stacked, each battery pack is arranged in the outer frame at intervals along the stacking direction perpendicular to the electric cores, and a glue filling gap is arranged between every two adjacent battery packs;

the middle partition plate is arranged in the glue filling gap and is spaced from the battery pack;

the one end orientation of encapsulating stand pipe the encapsulating clearance sets up, the other end of encapsulating stand pipe is set up in the top of group battery.

2. The power battery module as recited in claim 1, wherein the glue-pouring guide tube comprises a narrow-mouth end and a wide-mouth end, the narrow-mouth end is arranged towards the glue-pouring gap, and the wide-mouth end is arranged upwards.

3. The power battery module as recited in claim 2, wherein the wide-mouth end is provided with a lap joint part extending from the side surface, and the lap joint part is connected with the top end of the battery pack.

4. The power battery module as recited in claim 3, wherein a side of the lap joint part adjacent to the top end of the battery pack is provided with a protrusion part extending in a vertical direction.

5. The power battery module of any of claims 1-4, further comprising a structural adhesive layer disposed between the middle separator and the battery pack.

6. The power battery module of claim 1, wherein a top end of the potting guide tube is vertically higher than a top end of the battery pack.

7. The power battery module as recited in claim 1, wherein the outer frame comprises a bottom plate and side plates circumferentially disposed along the periphery of the bottom plate, the bottom plate and the side plates are connected to each other to form a receiving cavity, the battery pack is disposed in the receiving cavity, and the bottom end of the battery pack abuts against the bottom plate.

8. The power battery module of claim 7, wherein the bottom plate has a cooling channel formed therein for a medium to flow through.

9. The power battery module as claimed in claim 1, wherein the width of the potting gap is less than or equal to 3 mm.

10. An electric device, characterized in that the electric device comprises the power battery module of any one of claims 1-9.

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