Battery shell for accommodating multiple single lithium cells, lithium battery and electronic equipment

Abstract

The utility model discloses a battery case for accommodating a plurality of single lithium cells, a lithium battery and an electronic device, the battery case comprises a plastic upper case and a plastic lower case, a circle of mounting groove is arranged on the buckling surface of the plastic upper case and / or the buckling surface of the plastic lower case, a sealing strip is arranged in the mounting groove, and the sealing strip is connected with the plastic upper case and the plastic lower case. The buckling surface of the plastic upper shell is provided with a screw through hole for a screw to penetrate through, the buckling surface of the plastic lower shell is provided with a threaded hole for the screw to be screwed in, and the plastic upper shell and the plastic lower shell are connected and buckled through the screw to form a hollow closed shell; the plastic upper shell is provided with a communication network port, a wiring terminal, a positive electrode connecting piece and a negative electrode connecting piece; plastic reinforcing ribs are arranged on the outer side of the side wall of the lower plastic shell, and baffles used for isolating the adjacent single lithium battery cells are arranged in the lower plastic shell. According to the battery shell provided by the utility model, the abrasion of the lithium battery shell main body can be reduced, the network communication of the lithium battery can be supported, and the assembling steps of the battery shell in the preparation of the lithium battery are simplified.

Description

TECHNICAL FIELD

[0001] The utility model relates to the device technical field of the transformation chemical energy into electric energy, specifically relates to the battery shell for containing multiple single lithium battery, lithium battery and electronic equipment. BACKGROUND

[0002] As a clean, environmental protection, high -efficient energy, lithium battery is widely used in industrial production and life, and the power energy of traffic tool can effectively reduce the cost, save energy, promote the low carbon development of transportation industry. And in various batteries, lithium battery occupies a larger market share with its low -cost advantage than lead -acid battery.

[0003] With the wide application of lithium battery, the demand of battery increases day by day. Because the shell may be deformed due to extrusion in the transportation process or use process of battery, so the shell needs to be reinforced when producing battery. Most of them are reinforced by increasing the thickness of battery shell or designing plastic reinforcing rib on the shell, but the reinforcing rib is mostly arranged on the inner side, although it can reinforce the shell and ensure the strength of battery shell, but the reinforcing rib on the inner side has no protection effect on the wear of the shell main structure in the transportation process.

[0004] The battery shell nowadays is provided with a shell glue groove on the upper and lower shells for subsequent glue injection to realize the sealing of the shell. For example, the shell disclosed in patent CN202220536796.2 "Energy storage lithium battery shell" is provided with a shell glue groove on the inner side of the upper part of the shell, the plug block is matched with the shell glue groove and has a gap for adhesive water; the shell disclosed in patent 202021318526.1 "Traceable reinforced shockproof and waterproof lithium battery shell structure" is provided with a circle of sealing glue flow channel on the circumference of the fastening surface of the lower shell; the upper shell is engaged with the sealing glue flow channel of the lower shell. However, such battery leads to complex and time-consuming preparation of lithium battery, not only the glue injection step is needed, but also waiting for the glue to solidify.

[0005] With the increasing demand for use, there is a demand or trend for lithium battery to have network communication, but the battery shell nowadays does not support this function.

[0006] Therefore, it is necessary to provide a battery shell that can support lithium battery network communication, simplify lithium battery preparation and reduce the wear of lithium battery shell body to overcome the shortcomings of the prior art. SUMMARY

[0007] The utility model discloses a battery shell for containing multiple single lithium battery cells, a lithium battery and an electronic device, aiming at filling the blank of prior art, and providing a battery shell which can support lithium battery network communication, simplify lithium battery preparation and reduce lithium battery shell body abrasion.

[0008] In order to realize the above-mentioned purpose, the utility model provides a kind of battery shell for containing multiple single lithium battery cells, including plastic upper shell and plastic lower shell, a circle of installation groove is equipped on the fastening surface of plastic upper shell and / or the fastening surface of plastic lower shell, sealing strip is installed in the installation groove, the fastening surface of plastic upper shell is equipped with the screw through hole for passing screw, the fastening surface of plastic lower shell has the thread hole for screwing into screw, the thread hole is set corresponding the screw through hole, the plastic upper shell and the plastic lower shell are connected by screw and are fastened into a hollow closed shell;Communication network port, wiring terminal, positive pole connecting piece and negative pole connecting piece are equipped on the plastic upper shell;The outer side of the side wall of plastic lower shell has plastic reinforcing rib, and the plastic lower shell is provided with baffle for isolating adjacent single lithium battery cell.

[0009] In a preferred embodiment, the plastic lower shell is an integrally formed structure.

[0010] In a preferred embodiment, the plastic reinforcing rib includes vertical plastic reinforcing rib and inclined plastic reinforcing rib.

[0011] In a preferred embodiment, the battery shell is a cuboid.

[0012] In a preferred embodiment, the outer side of two side walls of the plastic lower shell has the plastic reinforcing rib.

[0013] In a preferred embodiment, the outer side of the other two side walls of the plastic lower shell has information area.

[0014] In a preferred embodiment, the plastic lower shell is an ABS plastic lower shell.

[0015] In a preferred embodiment, the screw through hole has a thread.

[0016] The utility model also provides a lithium battery, which comprises single lithium battery cells and the battery shell, and the single lithium battery cells are installed in the battery shell.

[0017] The utility model also provides an electronic device, which comprises a battery management system, an electric device and the lithium battery, the battery management system is connected to the communication network port of the lithium battery, the electric device is connected to the lithium battery, and the lithium battery is used to supply power to the electric device.

[0018] Compared with the prior art, the battery shell for containing multiple single lithium cells, the lithium battery and the electronic device have the beneficial effects that the battery shell comprises a plastic lower shell body with plastic reinforcing ribs and a plastic upper shell body with a communication network port, the plastic lower shell body and the plastic upper shell body are sealingly connected through a sealing strip and screws, the battery shell body is resistant to wear and tear, the battery shell supports the lithium battery capable of being connected with an external network, and the application range of the battery shell is improved; and the battery shell is simple to assemble, and the preparation steps of the lithium battery are simplified based on the battery shell.

[0019] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the following will be the preferred embodiment of the utility model, and the detailed description will be made as follows with the help of the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the following will be the preferred embodiment of the utility model, and the detailed description will be made as follows with the help of the accompanying drawings.

[0021] Figure 1 The utility model provides the perspective view of the plastic lower shell body of battery shell;

[0022] Figure 2 The utility model provides the top view of the plastic upper shell body and the plastic lower shell body separation state of battery shell;

[0023] The reference numerals in the drawing are: 10, plastic lower shell body, 11, threaded hole, 12, plastic reinforcing rib, 13, baffle, 14, information area, 20, plastic upper shell body, 21, screw through hole, 22, communication network port, 23, wiring terminal, 24, positive pole connecting piece, 25, negative pole connecting piece. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the scope of the utility model protection.

[0025] In the embodiment of the utility model, provide a kind of battery shell for containing multiple single lithium battery, please refer to Figure 1 And Figure 2 Battery shell includes plastic upper shell 20, plastic lower shell 10, sealing strip between plastic upper shell 20 and plastic lower shell 10, plastic upper shell 20 can be buckled with plastic lower shell 10, the buckle surface of the plastic upper shell 20 and / or the buckle surface of plastic lower shell 10 is equipped with a circle of installation groove for installing the sealing strip.The plastic upper shell 20 and the plastic lower shell 10 are connected by screw and buckled into a hollow closed shell.For the screw, the buckle surface of the plastic upper shell 20 is equipped with several screw through holes 21, each screw through hole 21 is used to pass through a screw, the buckle surface of the plastic lower shell 10 has threaded hole 11, the threaded hole 11 is arranged corresponding to the screw through hole 21, i.e. threaded hole 11 is used to screw into screw.Refer to Figure 2 , plastic upper shell 20 is equipped with communication network interface 22, terminal 23, positive electrode connecting piece 24 and negative electrode connecting piece 25.Refer to Figure 1 And Figure 2 The outer side of the sidewall of plastic lower shell 10 has plastic reinforcing rib 12, and the plastic lower shell 10 has baffle 13 inside, and the baffle 13 is used to isolate adjacent single lithium battery.

[0026] Refer to Figure 2 , the number of the screw, threaded hole 11 and screw through hole 21 is same, and one-to-one correspondence, and the detachable buckling connection of plastic upper shell 20 and the plastic lower shell 10 is realized by screw, threaded hole 11 and the screw through hole 21.Based on sealing strip, plastic upper shell 20 and plastic lower shell 10 can be buckled into a hollow closed shell by screw connection (screw passes through screw through hole 21 and then is screwed into threaded hole 11, so that sealing strip is extruded by the buckle surface of plastic upper shell 20 and the buckle surface of plastic lower shell 10), i.e. when battery shell is hollow closed shell state, the screw is located in screw through hole 21 and threaded hole 11.

[0027] In the embodiment, the plastic lower shell 10 is ABS plastic lower shell.Further, plastic upper shell 20 is ABS plastic upper shell.

[0028] In other embodiments of the utility model, the plastic lower shell 10 is PP plastic lower shell.Further, plastic upper shell 20 is PP plastic upper shell.

[0029] In the embodiment, the plastic lower shell 10 is integrally formed structure, and the plastic lower shell 10 with threaded hole 11, baffle 13 and plastic reinforcing rib 12 is obtained by injection molding.

[0030] Here, referring to Figure 1 The plastic reinforcing rib 12 includes vertical plastic reinforcing ribs and inclined plastic reinforcing ribs, forming a net-shaped reinforcing rib structure, the vertical plastic reinforcing rib is the length direction of the plastic reinforcing rib 12 being vertical, that is, perpendicular to the horizontal plane. In some embodiments, it also includes horizontal plastic reinforcing ribs.

[0031] In this embodiment, the battery shell is a cuboid. The plastic lower shell 10 and the plastic upper shell 20 are both cuboids.

[0032] Please refer again to Figure 1 In a preferred embodiment, only the outer sides of two side walls of the cuboid plastic lower shell 10 have the plastic reinforcing rib 12, and the surfaces with reinforcing ribs are generally opposite surfaces. Further, the outer sides of the other two side walls of the plastic lower shell 10 have an information area 14 for setting an information plate representing battery information, which can be a paper sticking area, which can be used to stick paper representing battery information, and is not limited to the material of the information plate including paper, which can be a metal plate, etc. It can be understood that it is not necessarily stuck, for example, a metal plate is fixed in the information area 14 by screws.

[0033] The battery shell can accommodate at least two single lithium cells. Referring to Figure 2 In this embodiment, four single lithium cell mounting positions are formed in the plastic lower shell 10 by the setting of the baffle 13, and only one single lithium cell can be placed in the single lithium cell mounting position, and the baffle 13 is used to fix and isolate the single lithium cell, Figure 1 Two of the four single lithium cell mounting positions can be seen in

[0034] It can be understood that the screw through hole 21 can have threads or not.

[0035] The main structure of the plastic upper shell 20 is plastic material, and corresponding metal parts are set at the communication network port 22, the wiring terminal 23, the positive connection piece 24 and the negative connection piece 25 according to the needs. By the communication network port 22, the battery shell is provided with the communication network port 22, based on which the lithium battery and other devices can realize network communication. The wiring terminal 23 can use an Anderson plug. The positive connection piece 24 and the negative connection piece 25 are the positive and negative poles.

[0036] In some embodiments, the inner side of the plastic upper shell 20 is provided with a second baffle for isolating adjacent single lithium cells and fixing the single lithium cells

[0037] The sealing strip mounting groove is arranged along the shape of the fastening surface. In the non-fastened state of the plastic upper shell 20 and the plastic lower shell 10, the sealing strip is arranged on the plastic upper shell 20 or the plastic lower shell 10, in the embodiment, the sealing strip is arranged on the plastic upper shell 20 in the non-fastened state, that is, the fastening surface of the plastic upper shell 20 is provided with the sealing strip mounting groove, and the screw through hole 21 is arranged close to the sealing strip, in this case, the fastening surface of the plastic lower shell 10 can also be provided with the sealing strip mounting groove for accommodating part of the sealing strip in the fastened state. After the plastic upper shell 20 and the plastic lower shell 10 are fastened and connected by the screw, the sealed hollow closed shell is obtained, that is, the sealed battery shell is obtained.

[0038] According to the detailed description of the specific embodiment of the utility model, compared with the prior art, the utility model discloses a plastic lower shell 10 with a plastic reinforcing rib 12 on the outside, which makes the battery shell main body wear-resistant. The plastic upper shell 20 with the communication network port 22 makes the battery shell support the lithium battery connected with the external network, which improves the application range of the battery shell. The sealing connection of the plastic lower shell 10 and the plastic upper shell 20 is realized by the sealing strip and the screw, which makes the battery shell simple to assemble, that is, simplifies the preparation steps of the lithium battery. The battery shell of the utility model not only can reduce the wear of the lithium battery shell main body, but also can support the network communication of the lithium battery and simplify the battery shell assembly steps in the preparation of the lithium battery.

[0039] In the embodiment, a lithium battery is also provided, which comprises a single lithium battery cell and the battery shell, and the single lithium battery cell is installed in the battery shell.

[0040] Here, the positive electrode connecting piece 24 and the negative electrode connecting piece 25 can be used as the lithium battery charging port, and the wiring terminal 23 can be used as the lithium battery discharging port; or the positive electrode connecting piece 24 and the negative electrode connecting piece 25 can be used as the lithium battery discharging port, and the wiring terminal 23 can be used as the lithium battery charging port. It can be understood that in the embodiment, whether the charging and discharging connection is the same is not limited.

[0041] It can be understood that the lithium battery adopts the above-mentioned battery shell, improves the wear resistance of the lithium battery, and provides support for the network connection of the lithium battery with the external network through the plastic upper shell 20 with the communication network port 22; by adopting the battery shell, the preparation steps of the lithium battery are simplified.

[0042] The embodiment also provides an electronic device, which comprises a battery management system, an electric device and the lithium battery, the battery management system is connected with the communication network port 22 of the lithium battery, the electric device is connected with the lithium battery, and the lithium battery is used for supplying power for the electric device.

[0043] The above merely describes the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. A battery housing for containing a plurality of single lithium cells, characterized by, The battery shell comprises a plastic upper shell and a plastic lower shell, a mounting groove is arranged on the fastening surface of the plastic upper shell and / or the fastening surface of the plastic lower shell, a sealing strip is mounted in the mounting groove, a screw through hole is arranged on the fastening surface of the plastic upper shell for passing through a screw, the fastening surface of the plastic lower shell is provided with a threaded hole for screwing in the screw, the threaded hole is arranged corresponding to the screw through hole, the plastic upper shell and the plastic lower shell are connected and fastened into a hollow closed shell by the screw, a communication network port, a wiring terminal, a positive electrode connecting piece and a negative electrode connecting piece are arranged on the plastic upper shell, the outer side of the side wall of the plastic lower shell is provided with a plastic reinforcing rib, and the plastic lower shell is internally provided with a baffle for isolating adjacent single lithium battery cells.

2. A battery housing for containing a plurality of single lithium cells as defined in claim 1, wherein, The plastic lower shell is an integrally formed structure.

3. A battery housing for containing a plurality of single lithium cells as defined in claim 1, wherein, The plastic reinforcing rib comprises vertical plastic reinforcing ribs and inclined plastic reinforcing ribs.

4. A battery housing for containing a plurality of single lithium cells as defined in claim 1, wherein, The battery shell is a cuboid.

5. A battery housing for containing a plurality of single lithium cells as defined in claim 4, wherein, The outer side of two side walls of the plastic lower shell is provided with the plastic reinforcing rib.

6. A battery housing for containing a plurality of single lithium cells as defined in claim 5, wherein, The outer side of the other two side walls of the plastic lower shell is provided with an information area.

7. A battery housing for containing a plurality of single lithium cells as defined in claim 1, wherein, The plastic lower shell is an ABS plastic lower shell.

8. A battery housing for containing a plurality of single lithium cells as defined in claim 1, wherein, The screw through hole is provided with a thread.

9. A lithium battery comprising a single lithium cell, characterized in that, The battery shell as claimed in any one of claims 1-8 is further provided, and the single lithium battery cell is mounted in the battery shell.

10. An electronic device, comprising: The battery management system is connected to the communication network port of the lithium battery, the electric device is connected to the lithium battery, and the lithium battery is used for supplying power to the electric device. The battery management system is connected to the communication network port of the lithium battery, the electric device is connected to the lithium battery, and the lithium battery is used for supplying power to the electric device.

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