CN217435944U

CN217435944U - Electric motorcycle

Info

Publication number: CN217435944U
Application number: CN202221796492.6U
Authority: CN
Inventors: 范晓聪; 易奎; 刘佳伟; 张明环
Original assignee: Zhejiang CFMOTO Power Co Ltd
Current assignee: Zhejiang CFMOTO Power Co Ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2022-09-16
Anticipated expiration: 2032-07-11

Abstract

The utility model discloses an electric motorcycle car, include: the vehicle comprises a frame, a wheel assembly, a suspension assembly and a battery pack, wherein the wheel assembly comprises a front wheel and a rear wheel; the battery pack is arranged on the frame and used for driving the wheel assembly to operate, and the battery pack comprises a battery module; the battery module includes: a housing having an opening; the module body is positioned in the shell and comprises a plurality of battery cells; the cover body is fixedly connected with the shell and used for plugging the opening; the integrated socket is provided with a low-voltage plug-in part and a high-voltage plug-in part, the low-voltage plug-in part and the high-voltage plug-in part are both electrically connected with the module body, and the low-voltage plug-in part and the high-voltage plug-in part are both quick connectors; the integrated socket is mounted on the cover body. Through optimizing the structure of the battery module of the electric motorcycle, the quick assembly of the battery pack can be realized.

Description

Electric motorcycle

Technical Field

The utility model relates to an electric motor car technical field especially relates to an electric motorcycle car.

Background

In a conventional electric motorcycle, a high-voltage part and a low-voltage part of a battery module of a power battery pack are relatively independently arranged, namely, a high-voltage electrical interface and a low-voltage electrical interface are relatively independent.

Generally, the power battery package of electric motorcycle car has more than 2 battery module series connection to form, during the assembly, need connect respectively to the high-pressure electric interface and the low pressure electric interface of every module, and during the wiring, the high-pressure row of working a telephone switchboard adopts screw fixed connection, and the low pressure pencil passes through the connector to be connected, and the assembly efficiency of battery package is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electric motorcycle car optimizes through the structure to electric motorcycle car's battery module, can realize the rapid Assembly of battery package.

In order to solve the technical problem, the utility model provides an electric motorcycle car, include:

a frame;

a wheel assembly including a front wheel and a rear wheel;

a suspension assembly including a front suspension through which the front wheel is connected to the frame and a rear suspension through which the rear wheel is connected to the frame;

the battery pack is arranged on the frame and used for driving the wheel assembly to operate, and the battery pack comprises a battery module;

the battery module includes:

a housing having an opening;

the module body is positioned in the shell and comprises a plurality of battery cells;

the cover body is fixedly connected with the shell and used for plugging the opening;

the integrated socket is provided with a low-voltage plug-in part and a high-voltage plug-in part, the low-voltage plug-in part and the high-voltage plug-in part are both electrically connected with the module body, and the low-voltage plug-in part and the high-voltage plug-in part are both quick connectors; the integrated socket is mounted on the cover body.

The electric motorcycle as described above, the battery module further includes:

the bus bar is electrically connected with the battery cell;

and the low-voltage adapter wire harness is used for electrically connecting the low-voltage plug part with the bus bar.

The electric motorcycle as described above, the low-voltage adapter harness is connected to the bus bar by welding.

According to the electric motorcycle, the bus bar is connected with the lug of the battery cell through welding.

According to the electric motorcycle, the battery module further comprises a positive electrode connecting bar, a negative electrode connecting bar and a high-voltage switching wire harness;

the high-voltage insertion part comprises a positive electrode insertion port and a negative electrode insertion port;

the positive electrode interface and the negative electrode interface are electrically connected with the positive electrode connecting row and the negative electrode connecting row respectively through the high-voltage switching wiring harness.

According to the electric motorcycle, the cover body is connected with the shell in a sealing mode, and the integrated socket is connected with the cover body in a sealing mode.

According to the electric motorcycle, the cover body and the shell are welded and fixed through laser welding.

According to the electric motorcycle, the integrated socket is inserted into the cover body, and the integrated socket and the cover body are sealed through the sealing ring.

In the electric motorcycle, the cover body is a die casting.

The electric motorcycle is applied to a wading scene.

The utility model provides an electric motorcycle car compares with traditional electric motorcycle car and has following advantage:

first, be equipped with integrated socket on battery module's lid, this integrated socket has low pressure grafting portion and high pressure grafting portion, is about to be in the same place high-voltage electrical interface and low-voltage electrical interface integration, and establishes to quick connector, so, high-voltage electrical part and low-voltage electrical part can connect simultaneously, and quick cartridge can realize the rapid Assembly of battery package.

Second, the utility model discloses an among the alternative, battery module's lid and casing sealing connection, integrated socket and lid sealing connection, battery module holistic sealing performance is good, has waterproof nature, can satisfy the demand that electric motorcycle car used under the scene of wading.

Drawings

Fig. 1 is a schematic structural view of an electric motorcycle according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a battery module of an electric motorcycle according to an embodiment of the present invention;

fig. 3 is an exploded view of the battery module of fig. 2;

fig. 4 is an exploded view of the battery module of fig. 3 from another perspective;

fig. 5 is a front view of the integrated socket of the battery module shown in fig. 4.

Description of reference numerals:

the electric motorcycle 100, a frame 101, a wheel assembly 102, a front wheel 1021, a rear wheel 1022, a body cover 103, a suspension assembly 104, a front suspension 1041, a rear suspension 1042, a seat cushion 105;

the battery module 10, the housing 11, the module body 12, the cover 13, the integrated socket 14, the positive electrode jack 141, the negative electrode jack 142, the low voltage jack 143, the bus bar 15, the connection harness 16, and the insulating member 17.

Detailed Description

In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.

Referring to fig. 1, fig. 1 is a schematic structural diagram of an electric motorcycle according to an embodiment of the present invention.

In the present embodiment, the electric motorcycle 100 includes a frame 101, a wheel assembly 102, a body cover 103, a suspension assembly 104, and a battery pack (not shown in the drawings); wherein, the wheel assembly 102 comprises a front wheel 1021 and a rear wheel 1022, the suspension assembly 104 comprises a front suspension 1041 and a rear suspension 1042, the front wheel 1021 of the wheel assembly 102 is connected with the frame 101 through the front suspension 1041, and the rear wheel 1022 of the wheel assembly 102 is connected with the frame 101 through the rear suspension 1042; the battery pack can be arranged on the frame 101 and also inside the body cover 103, and in particular, the battery pack can be arranged below a cushion 105 of the electric motorcycle 100 to provide power for the electric motorcycle for driving the wheel assembly 102 to operate. The vehicle body cover 103 effectively achieves waterproofing between the battery pack internal connection structures in special weather. In addition to the above structure, the electric motorcycle 100 includes other functional components such as an instrument panel, a brake system, a rear side box, and the like.

The battery pack includes battery modules, generally speaking, the battery pack of the electric motorcycle 100 includes more than two battery modules, and the specific number of the battery modules is determined according to different models and application requirements of the electric motorcycle 100.

Referring to fig. 2 to 5, fig. 2 is a schematic structural view illustrating a battery module, fig. 3 and 4 are exploded views of the battery module at two different viewing angles, and fig. 5 is a front view illustrating an integrated socket of the battery module in fig. 2.

In this embodiment, the battery module 10 includes a housing 11, a module body 12, and a cover 13, wherein the housing 11 has an opening, the module body 12 can be inserted into an inner cavity of the housing 11 through the opening of the housing 11, and the cover 13 is used for sealing the opening of the housing 11, so that the module body 12 is located in a relatively closed space to protect the module body 12. Obviously, the cover 13 and the housing 11 are relatively fixed.

The module body 12 includes a plurality of battery cells, and the number of the battery cells of one battery module 10 and the connection mode between the battery cells are set according to the requirement, which is not limited herein.

The battery module 10 further includes an integrated socket 14, and the integrated socket 14 is mounted on the cover 13 for electrically connecting the module body 12 with other battery modules or electrical components.

In this embodiment, the integrated socket 14 has a low voltage plug portion and a high voltage plug portion, both of which are electrically connected to the module body 12, and both of the low voltage plug portion and the high voltage plug portion are quick plugs. Like this, integrate the high-voltage electrical interface and the low-voltage electrical interface of battery module 10 together, and all establish to quick connector, when the equipment, can connect high-voltage electrical part and low-voltage electrical part simultaneously, avoided the situation that current battery module height, low-voltage electrical part need separately to connect, can save the assemble duration, improve assembly efficiency.

As shown in fig. 3 and 4, the battery module 10 further includes a bus bar 15 and a switching harness 16, wherein the switching harness 16 includes a low voltage switching harness, the bus bar 15 is electrically connected to the battery cells of the module body 12, and the low voltage switching harness is used for electrically connecting the bus bar 15 and the low voltage plug-in part, so that the low voltage plug-in part can be electrically connected to other electrical components through an external fast plug-in.

In practical application, the bus bar 15 may be an aluminum bar or a copper bar, and the bus bar 15 is electrically connected to a tab of the battery cell by welding; specifically, the low voltage patch cord is electrically connected to the bus bar 15 by soldering.

As shown in fig. 5, the low voltage plug part of the integrated socket 14 specifically includes a plurality of low voltage plug interfaces 143, and the number of the cores of the low voltage patch cord can be matched with the number of the low voltage plug interfaces 143.

As described above, the electrical connection arrangement of the low voltage insertion part of the integrated socket 14 may realize the collection of the voltage signal and the temperature signal of the battery module 10.

In this embodiment, the battery module 10 further includes a positive connection row and a negative connection row, the aforementioned switching harness 16 further includes a high-voltage switching harness, the high-voltage insertion part of the integrated socket 14 includes a positive insertion port 141 and a negative insertion port 142, and the two are respectively electrically connected with the positive connection row and the negative connection row through the high-voltage switching harness, so as to realize the function of collecting the high-voltage signal.

Specifically, the positive connecting row and the negative connecting row can be selected for use copper bar structures, and also can be selected for use aluminum bar structures.

In actual installation, in order to further improve the integration level, the positive connecting bar and the negative connecting bar can be integrated with the bus bar 15; specifically, the bus bars 15 electrically connected to the battery cells, and the positive electrode connecting bar and the negative electrode connecting bar may be mounted on a single support to realize integration.

In fig. 5, the positive plug interface 141 and the negative plug interface 142 on the integrated socket 14 are located in the middle region, and the plurality of low voltage plug interfaces 143 are respectively disposed on two sides of the positive plug interface 141 and the negative plug interface 142, in practical applications, the layout of the plug interfaces on the integrated socket 14 is not limited to the illustration, and can be flexibly set according to the requirements of convenience and safety of wiring harness connection.

In this embodiment, the cover 13 is hermetically connected to the housing 11, and the integrated socket 14 is hermetically connected to the cover 13, so that the battery module 10 has good sealing performance, and can satisfy the IP67 waterproof level, so that the electric motorcycle can be used in wading application scenarios.

In addition, the battery module 10 is provided as a sealed structure, which is advantageous for compact layout of the electric motorcycle. Particularly, during the general use, each battery module of battery package is arranged in a battery box, realize the sealed requirement of battery package through the sealed of battery box, but set up like this, the whole bulky of battery package, occupation space is big, to the limited electric motorcycle car of frame usage space, the degree of difficulty has been increased for its structural arrangement, but adopt behind the battery module 10 that has good leakproofness that this embodiment provided, the battery package can no longer set up the battery box, waterproof demand can be satisfied to single battery module 10, thus, can reduce the occupation space of whole battery package, and each battery module 10 of battery package arranges more in a flexible way.

Specifically, the cover 13 and the housing 11 are welded and fixed by laser welding, so that the fixing effect of the cover and the housing can be ensured, and the sealing performance between the cover and the housing can be ensured. The cover 13 may be formed as a die-cast part to ensure a reliable structure.

Specifically, an insulating member 17 may be provided between the cover 13 and the bus bar 15 to ensure safety and avoid a circuit failure such as a short circuit.

Of course, in other embodiments, in order to facilitate replacement of the battery cell, maintenance, and the like, the cover 13 and the housing 11 may also be detachably connected, and sealing between the two may be achieved by providing a sealing structure such as a sealing gasket between the two.

Specifically, integrated socket 14 cartridge is in lid 13, is provided with the sealing washer between the two, realizes the leakproofness between integrated socket 14 and the lid 13 through the sealing washer, and simple structure is reliable again. More specifically, the sealing ring may be provided integrally with the integrated socket 14.

The electric motorcycle of the embodiment can be a two-wheel motorcycle, and can also be a three-wheel motorcycle, a four-wheel motorcycle or an eight-wheel motorcycle, and the specific number of the traveling wheels can be selected according to actual requirements.

In addition, on the basis that the battery module 10 meets the waterproof grade requirement, the electric motorcycle of the embodiment can also be a motorcycle applied to a wading scene.

The above is to the electric motorcycle provided by the utility model carry out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. An electric motorcycle comprising:

a frame;

a wheel assembly including a front wheel and a rear wheel;

characterized in that, the battery module includes:

a housing having an opening;

2. The electric motorcycle of claim 1, wherein the battery module further includes:

the bus bar is electrically connected with the battery cell;

3. The electric motorcycle of claim 2, wherein the low voltage adapter harness is connected to the bus bar by welding.

4. The electric motorcycle of claim 2, wherein the bus bar is connected to the tabs of the battery cells by welding.

5. The electric motorcycle of claim 1, wherein the battery module further comprises a positive connection bar, a negative connection bar, and a high voltage adapter harness;

6. An electric motorcycle according to any one of claims 1 to 5, wherein the cover is sealingly connected to the housing, and the integrated socket is sealingly connected to the cover.

7. The electric motorcycle of claim 6, wherein the cover and the housing are fixed by laser welding.

8. The electric motorcycle of claim 6, wherein the integrated socket is inserted into the cover, and the integrated socket and the cover are sealed by a sealing ring.

9. An electric motorcycle according to claim 6, characterised in that the cover is a die cast.

10. Electric motorcycle according to claim 6, characterized in that it is an electric motorcycle for application in water-involved scenes.