Battery and electric two-wheeled vehicle

By designing the BMS module in the electric two-wheeler battery to be detachably connected to the outer surface of the casing and connecting it to the cell module using plug-in components, the problems of cumbersome disassembly and easy damage to the internal components of the casing in the existing technology are solved, and a more efficient maintenance process is achieved.

CN223462264UActive Publication Date: 2025-10-21HUNAN DUDU INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202422555524.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2025-10-21
Estimated Expiration
2034-10-22

AI Technical Summary

Technical Problem

When repairing the BMS module of the existing electric two-wheeled vehicle battery, it is difficult to disassemble and the components inside the box are easily damaged.

Method used

Design a battery structure that allows the BMS module to be detachably connected to the outer surface of the casing, and to be connected to the cell module through plug-in components. Disassembly can be performed by simply removing it from the outer surface.

Benefits of technology

It is easier to operate, saves time and effort, avoids damage to the components inside the box, and improves maintenance efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a battery and electric two-wheeler relates to electric two-wheeler technical field, wherein the battery includes box, cell module and BMS module, box is equipped with first abdicating hole, cell module is installed in box, cell module is connected with first lead, first lead passes through first abdicating hole, BMS module passes through the first abdicating hole, BMS module passes through the first abdicating hole, the BMS module passes through the first abdicating hole, the BMS module passes through the first abdicating hole, the BMS module passes through the first abdicating hole. The tail end of the first wire is connected with a first inserting part, the BMS module is detachably connected to the outer surface of the box body, the BMS module is provided with a second inserting part, and the first inserting part is detachably inserted into the second inserting part, so that the BMS module is connected with the battery cell module. According to the battery and the electric two-wheeled vehicle disclosed by the utility model, when the BMS module is damaged and needs to be returned to a factory for repair, the BMS module is more convenient to disassemble, more time-saving and labor-saving, and parts in the box body cannot be damaged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to electric two -wheeled vehicle technical field, especially a battery and electric two -wheeled vehicle. BACKGROUND

[0002] In recent years, electric two -wheeled vehicle becomes one of the main traffic tools of the public daily travel, and the power source of electric two -wheeled vehicle is battery, and battery generally includes box, electric core module and BMS module, and electric core module and BMS module are contained in the box, and the wire of electric core module is connected to BMS module, and BMS module can detect the state of battery, safety protection, charge and discharge control, equalization management, remote communication, remote monitoring and remote diagnosis etc.The existing battery has the following disadvantages: when BMS module needs to be returned to factory for repair due to the fault, considering the safety factor, it is inconvenient to mail the battery as a whole, can only open the box, and BMS module is removed from the box, not only the operation is troublesome, time -consuming and labor -intensive, but also when removing BMS module, it is easy to damage other components in the box due to improper operation. SUMMARY

[0003] The utility model aims at at least one of the technical problems existing in the prior art is solved, for this, the utility model provides a battery, when BMS module needs to be returned to factory for repair due to the damage, removing BMS module is more convenient, more time -saving and labor -saving, and the components in the box will not be damaged.

[0004] The utility model further provides an electric two -wheeled vehicle with the above -mentioned battery.

[0005] According to the battery of the utility model first aspect embodiment, including box, electric core module and BMS module, the box is equipped with first let -out hole, the electric core module is installed in the box, the electric core module is connected with first wire, the first wire is arranged in the first let -out hole, the end of first wire is connected with first plug -in part, the BMS module is detachably connected to the outer surface of the box, the BMS module is equipped with second plug -in part, the first plug -in part is separably inserted in the second plug -in part, to realize that the BMS module is connected with the electric core module.

[0006] According to the battery of the utility model embodiment, at least has the following beneficial effects:

[0007] The utility model discloses a first plug -in part is inserted in the second plug -in part, after BMS module is installed on the outer surface of the box, can realize the assembly of battery, when BMS module needs to return to factory maintenance when breaking down, the first plug -in part is separated from the second plug -in part each other, then BMS module is removed from the outer surface of the box.

[0008] According to some embodiments of the utility model, the BMS module includes a shell and a BMS body, the shell is detachably connected to the outer surface of the box, the first plug -in part and the second plug -in part are arranged in the shell, the BMS body is arranged in the shell, and a second lead wire is arranged between the BMS body and the second plug -in part.

[0009] According to some embodiments of the utility model, a partition is arranged in the shell, the partition divides the shell into a first cavity and a second cavity, the first plug -in part and the second plug -in part are arranged in the first cavity, and the BMS body is arranged in the second cavity.

[0010] According to some embodiments of the utility model, the first cavity is located on the side of the partition close to the box, and the side of the first cavity close to the box is provided in an open manner.

[0011] According to some embodiments of the utility model, the first plug -in part and the second plug -in part are fixed to the outer surface of the box through fasteners.

[0012] According to some embodiments of the utility model, the edge of the shell close to the box is provided with a flange, the flange is attached to the outer surface of the box and connected to the box through fasteners.

[0013] According to some embodiments of the utility model, the shell is provided with a charging port and a discharging port, the second plug -in part is connected with a third lead wire, and the third lead wire is connected to the charging port and the discharging port.

[0014] According to some embodiments of the utility model, the partition is provided with a plurality of second accommodation holes, and the second accommodation holes are arranged for the second lead wire or the third lead wire.

[0015] According to some embodiments of the utility model, first protection ring is equipped in first let hole, first wire is equipped in first protection ring, the outside wall of first protection ring is equipped with first annular clamping groove, the edge of first let hole is clamped in first annular clamping groove, second protection ring is equipped in second let hole, second wire or third wire is equipped in second protection ring, the outside wall of second protection ring is equipped with second annular clamping groove, the edge of second let hole is clamped in second annular clamping groove.

[0016] According to the electric two-wheeled vehicle of the second aspect of the utility model embodiment, the battery of the first aspect of the utility model embodiment is used.

[0017] According to the electric two-wheeled vehicle of the utility model embodiment, at least has following beneficial effect:

[0018] The battery of the first aspect of the utility model embodiment is used, and the first plug-in part is plugged into the second plug-in part, then the BMS module is installed on the outer surface of the box, so that the assembly of the battery can be realized, when the BMS module needs to be returned to the factory for maintenance, the first plug-in part and the second plug-in part are separated from each other, then the BMS module is removed from the outer surface of the box. Compared with the prior art, the BMS module needs to be removed from the box, the operation is more convenient, more time-saving and labor-saving, and during the process of removing the BMS module, the components in the box will not be contacted, so that the components in the box will not be damaged.

[0019] Additional aspects and advantages of the utility model will be partially given in the following description, and some additional aspects and advantages will become obvious from the following description or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model will be further explained in combination with the drawings and embodiments, wherein:

[0021] Figure 1 It is the overall structure schematic diagram of the battery of the utility model;

[0022] Figure 2 It is the position schematic diagram of BMS body;

[0023] Figure 3 It is the structure schematic diagram after the shell of battery is removed;

[0024] Figure 4 It is the structure schematic diagram of BMS module;

[0025] Figure 5 It is Figure 4 Sectional view.

[0026] Reference numerals:

[0027] The box body 100; the first protective ring 101;

[0028] The battery cell module 200; the first wire 201; the first plug-in part 202;

[0029] The BMS module 300; the second plug-in part 301; the shell 302; the BMS body 303; the second wire 304; the partition plate 305; the first cavity 306; the second cavity 307; the flange 308; the charging port 309; the discharging port 310; the third wire 311; the second protective ring 312. DETAILED DESCRIPTION

[0030] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0031] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0032] In the description of the present application, the plural refers to two or more. If there is a description of first, second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0033] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting, etc. should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application according to the specific content of the technical scheme.

[0034] The following refers to Figures 1 to 5 The battery and the electric two-wheeled vehicle according to the embodiments of the present application are described.

[0035] According to the battery of the first aspect of the present application, as Figures 1 to 5 shown, comprising a box body 100, a battery cell module 200 and a BMS module 300.

[0036] The box body 100 can be square or other suitable shape, and a mounting cavity can be formed in the box body 100, and the box body 100 is provided with a first accommodating hole, and the first accommodating hole can be arranged on the side wall of the box body 100, and a plurality of first accommodating holes can be arranged, for example, two first accommodating holes.

[0037] The battery cell module 200 is mounted in the box body 100, and the battery cell module 200 can include a plurality of battery cell pieces arranged side by side, and the top end of the battery cell piece can be provided with a tab, and the tabs of the two adjacent battery cell pieces can be connected to form a bus bar, and the battery cell module 200 is connected with a first lead wire 201, and the first lead wire 201 can be provided with two, and the first lead wire 201 is arranged in the corresponding first accommodating hole, and the two first lead wires 201 are commonly connected with a first plug-in part 202.

[0038] The BMS module 300 is detachably connected to the outer surface of the box body 100, and the BMS module 300 is provided with a second plug-in part 301, and the first plug-in part 202 is detachably plugged into the second plug-in part 301, for example, one of the first plug-in part 202 and the second plug-in part 301 can be provided with a socket, and the other can be provided with a plug, and the plug is inserted into the socket, that is, the first plug-in part 202 and the second plug-in part 301 are plugged into each other, thereby realizing the mutual connection between the BMS module 300 and the battery cell module 200, and the connection between the BMS module 300 and the battery cell module 200 can be electrical connection and / or communication connection. For example, the BMS module 300 can be arranged on the outer surface of the box body 100, and the BMS module 300 can include a mounting substrate and a battery management system body arranged on the mounting substrate, and the BMS is the English abbreviation of the battery management system, and the BMS module 300 can improve the utilization rate of the battery, prevent overcharging and overdischarging of the battery, prolong the service life of the battery, monitor the state of the battery, and the BMS module 300 can also perform safety protection, balance management, remote communication, remote monitoring and remote diagnosis on the battery.

[0039] In the utility model, the first plug-in part 202 is plugged into the second plug-in part 301, and then the BMS module 300 is mounted on the outer surface of the box body 100, thereby realizing the assembly of the battery, when the BMS module 300 needs to be returned to the factory for maintenance due to failure, the first plug-in part 202 and the second plug-in part 301 are separated from each other, and then the BMS module 300 is removed from the outer surface of the box body 100. Compared with the prior art, the BMS module 300 needs to be removed from the box body 100, which is more convenient to operate, saves time and effort, and during the process of removing the BMS module 300, the components in the box body 100 will not be touched, thereby preventing the components in the box body 100 from being damaged.

[0040] It needs to be explained that, in the prior art, since the BMS module 300 is installed in the box body 100, when the BMS module 300 needs to be disassembled, the bolts of the cover of the box body 100 need to be unscrewed first, the cover is opened, then the bolts between the BMS module 300 and the box body 100 are unscrewed, and the BMS module 300 can be removed. Since the space in the box body 100 is small and the internal structure of the box body 100 is complex, the disassembly of the BMS module 300 is very troublesome, time-consuming and laborious, and during the disassembly process, the wire group or other components in the box body 100 can be easily damaged. In the utility model, the BMS module 300 is arranged on the outer surface of the box body 100, and the wires of the BMS module 300 and the battery cell module 200 are connected through plug-in connection, so that the above problems can be avoided.

[0041] Reference Figures 2 to 5 As shown in the utility model, in some embodiments of the utility model, the BMS module 300 comprises a shell 302 and a BMS body 303, the shell 302 is detachably connected to the outer surface of the box body 100, the first plug-in part 202 and the second plug-in part 301 are arranged in the shell 302, the BMS body 303 is arranged in the shell 302, and the second wire 304 is arranged between the BMS body 303 and the second plug-in part 301. The BMS body 303 is also the battery management system body. In this embodiment, the first plug-in part 202, the second plug-in part 301 and the BMS body 303 are all arranged in the shell 302. In this way, not only can the first plug-in part 202, the second plug-in part 301 and the BMS body 303 be prevented from being damaged due to exposure, but also the first plug-in part 202, the second plug-in part 301 and the BMS body 303 can be prevented from adhering dust due to exposure.

[0042] Reference Figure 2 , Figure 4 and Figure 5 As shown in the utility model, in some embodiments of the utility model, the shell 302 is provided with a partition plate 305, the partition plate 305 divides the shell 302 into a first cavity 306 and a second cavity 307, the first plug-in part 202 and the second plug-in part 301 are arranged in the first cavity 306, and the BMS body 303 is arranged in the second cavity 307. In this embodiment, the plug-in areas of the first plug-in part 202 and the second plug-in part 301 are separated from the BMS body 303 by the partition plate 305. Not only is the wiring more convenient and the wire harness is less likely to be tangled, but also when the first plug-in part 202 and the second plug-in part 301 are plugged or unplugged, the BMS body 303 can be prevented from being damaged. In addition, when the plug-in areas of the first plug-in part 202 and the second plug-in part 301 are subject to leakage and short circuit, the BMS body 303 can be prevented from being damaged.

[0043] Reference Figure 4 and Figure 5As shown in some embodiments of the utility model, the first cavity 306 is located on the side of the partition plate 305 close to the box body 100, and the side of the first cavity 306 close to the box body 100 is provided in an open manner. In this embodiment, the first cavity 306 is close to the box body 100, and the side of the first cavity 306 close to the box body 100 is provided in an open manner. In this way, it is more convenient for the first lead wire 201 and the first plug-in part 202 to enter the first cavity 306 and be plugged with the second plug-in part 301, or after the first plug-in part 202 and the second plug-in part 301 are separated from each other, it is more convenient for the first lead wire 201 and the first plug-in part 202 to be taken out from the first cavity 306, the operation is more convenient, time and labor are saved, and the utility is better.

[0044] Reference Figure 3 As shown in some embodiments of the utility model, the first plug-in part 202 and the second plug-in part 301 are both fixed to the outer surface of the box body 100 through fasteners. For example, the first plug-in part 202 and the second plug-in part 301 can both be provided with mounting holes, after the first plug-in part 202 and the second plug-in part 301 are plugged with each other, the fasteners are arranged in the mounting holes, and the fasteners are fixed to the box body 100, so that the installation and fixation of the first plug-in part 202 and the second plug-in part 301 can be realized. In this way, not only the installation of the first plug-in part 202 and the second plug-in part 301 is more stable, but also the plugging of the first plug-in part 202 and the second plug-in part 301 is more stable and tight, and the situation of poor contact is avoided.

[0045] Reference Figure 2 And Figure 4 As shown in some embodiments of the utility model, the edge of the side of the shell 302 close to the box body 100 is provided with a flange 308, the flange 308 is attached to the outer surface of the box body 100 and connected with the box body 100 through fasteners. In this embodiment, the flange 308 is provided, and the shell 302 is more conveniently connected to the box body 100 through fasteners.

[0046] It should be noted that in other embodiments of the utility model, the shell 302 can also be connected to the box body 100 in other ways, for example, clamped with the box body 100.

[0047] Reference Figures 2 to 4As shown in some embodiments of the utility model, the shell 302 is provided with a charging port 309 and a discharging port 310, the second plug-in part 301 is connected with a third wire 311, and the third wire 311 is connected to the charging port 309 and the discharging port 310. The charging port 309 is used for being connected with an external power supply to facilitate charging of the battery, the discharging port 310 is used for being connected with an external load to facilitate discharging of the battery, and the charging port 309 and the discharging port 310 are arranged on the shell 302. When the charging port 309 and the discharging port 310 fail, the BMS module 300 can be disassembled and mailed, and the entire battery does not need to be mailed, so that the use is more convenient, and the practicality is better.

[0048] Reference Figure 2 and Figure 5 As shown in some embodiments of the utility model, the partition plate 305 is provided with a plurality of second accommodation holes, and the second accommodation holes are used for being provided with the second wire 304 or the third wire 311. The partition plate 305 is provided with a plurality of second accommodation holes, so that the second wire 304 or the third wire 311 can be conveniently arranged to enter the second cavity 307, the wiring is more convenient, and the winding phenomenon of the wire harness can be reduced.

[0049] Reference Figure 2 、 Figure 3 and Figure 5 As shown in some embodiments of the utility model, the first accommodation hole is provided with a first protective ring 101, the first wire 201 is arranged in the first protective ring 101, the outer side wall of the first protective ring 101 is provided with a first annular clamping groove, the edge of the first accommodation hole is clamped in the first annular clamping groove, the second accommodation hole is provided with a second protective ring 312, the second wire 304 or the third wire 311 is arranged in the second protective ring 312, and the outer side wall of the second protective ring 312 is provided with a second annular clamping groove. The edge of the second accommodation hole is clamped in the second annular clamping groove.

[0050] In the embodiment, the first accommodation hole is provided with the first protective ring 101 for arranging the first wire 201, and the second accommodation hole is provided with the second protective ring 312 for arranging the second wire 304 or the third wire 311, so that the wear phenomenon of the first wire 201, the second wire 304 and the third wire 311 can be reduced, and the edge of the first accommodation hole is clamped in the first annular clamping groove, and the edge of the second accommodation hole is clamped in the second annular clamping groove. In this way, the first protective ring 101 and the second protective ring 312 are more stable in installation.

[0051] It should be noted that the first protective ring 101 and the second protective ring 312 can be made of rubber, plastic or other suitable materials.

[0052] According to the electric two-wheeled vehicle of the second aspect of the utility model, the battery of the first aspect of the utility model is used.

[0053] According to the electric two-wheeled vehicle of the embodiment of the present application, by adopting the battery of the first aspect of the present application, the first plug-in part 202 is plugged into the second plug-in part 301, and then the BMS module 300 is installed on the outer surface of the box body 100, so that the assembly of the battery can be realized. When the BMS module 300 needs to be returned to the factory for maintenance due to failure, the first plug-in part 202 and the second plug-in part 301 are separated from each other, and then the BMS module 300 is removed from the outer surface of the box body 100. Compared with the prior art, the BMS module 300 needs to be removed from the box body 100, which is more convenient to operate and saves time and effort. Moreover, during the process of removing the BMS module 300, the components in the box body 100 will not be contacted, so that the components in the box body 100 will not be damaged.

[0054] It should be noted that, since the electric two-wheeled vehicle can adopt all the technical solutions of the battery of the first aspect of the embodiment, it at least has all the beneficial effects brought by the technical solutions of the first aspect of the embodiment. These additional beneficial effects will not be described here.

[0055] It can be understood that other configurations and operations of the electric two-wheeled vehicle according to the embodiment of the present application are known to those skilled in the art, and will not be described in detail here.

[0056] The embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present application.

Claims

1. A battery, characterized by, The battery comprises: a box body provided with a first accommodating hole; a battery cell module installed in the box body, the battery cell module being connected with a first wire, the first wire being arranged in the first accommodating hole, and an end of the first wire being connected with a first plug-in part; a BMS module detachably connected to an outer surface of the box body, the BMS module being provided with a second plug-in part, and the first plug-in part being detachably plugged into the second plug-in part to realize the connection between the BMS module and the battery cell module.

2. The battery of claim 1, wherein, The BMS module comprises: a shell detachably connected to the outer surface of the box body, the first plug-in part and the second plug-in part being arranged in the shell; a BMS body arranged in the shell, and a second wire being arranged between the BMS body and the second plug-in part.

3. The battery of claim 2, wherein, A partition plate is arranged in the shell, the partition plate dividing the shell into a first cavity and a second cavity, the first plug-in part and the second plug-in part being arranged in the first cavity, and the BMS body being arranged in the second cavity.

4. The battery of claim 3, wherein, The first cavity is located on a side of the partition plate close to the box body, and the side of the first cavity close to the box body is provided in an open manner.

5. The battery of claim 4, wherein, The first plug-in part and the second plug-in part are both fixed to the outer surface of the box body by fasteners.

6. The battery of claim 4, wherein, An edge of the shell close to the box body is provided with a flange, the flange being attached to the outer surface of the box body and being connected to the box body by fasteners.

7. The battery of any one of claims 3 to 6, wherein, The shell is provided with a charging port and a discharging port, the second plug-in part being connected with a third wire, and the third wire being connected to the charging port and the discharging port.

8. The battery of claim 7, wherein, The partition plate is provided with a plurality of second accommodating holes, the second accommodating holes being arranged for the second wire or the third wire.

9. The battery of claim 8, wherein, A first protective ring is arranged in the first accommodating hole, the first wire being arranged in the first protective ring, an outer sidewall of the first protective ring being provided with a first annular clamping groove, an edge of the first accommodating hole being clamped in the first annular clamping groove, a second protective ring being arranged in the second accommodating hole, the second wire or the third wire being arranged in the second protective ring, an outer sidewall of the second protective ring being provided with a second annular clamping groove, and an edge of the second accommodating hole being clamped in the second annular clamping groove.

10. An electric two-wheeled vehicle characterized by comprising: The battery comprises the battery as claimed in any one of claims 1 to 9.