CN217387402U - Battery package and connector, vehicle thereof - Google Patents

Abstract

The application discloses a battery pack, a connector thereof and a vehicle, wherein the connector comprises a shell, and an accommodating space is formed in the shell; the first wiring ports are arranged on the outer side wall of the shell and are communicated with the accommodating space, and the first wiring ports are positioned on at least two different outer side walls of the shell; at least one second wiring port, which is arranged on the outer side wall of the shell and is communicated with the accommodating space; first connecting wire and second connecting wire, the first end of first connecting wire is inserted and is located in a first wiring mouth and with the anodal or the negative pole electricity of battery package is connected, the first end of second connecting wire is inserted and is located in a second wiring mouth and with the negative pole or the anodal electricity of battery package is connected, the electric connection line that realizes between the battery package that the connector of this application can be better for the line mode of walking of the connecting wire between the battery package is succinct more, reduces the length and the crooked number of times of connecting wire.

Description

Battery package and connector, vehicle thereof

Technical Field

The application relates to the field of batteries, in particular to a battery pack, a connector and a vehicle thereof.

Background

At present, a plurality of battery packs are generally required to be connected in series to form a power source of an electric vehicle, the plurality of battery packs are generally connected in series through a connector structure, however, the positive and negative electrodes of a connector on each battery pack are led out in a fixed direction, which causes the following problems of the existing connector: on the one hand, if the battery package is arranged the position and is too compact, battery package positive pole or negative pole leading-out terminal are limited apart from car frame roof beam space, when battery package high voltage cable was qualified for the next round of competitions this moment, high voltage wire harness turning radius undersize, the unsatisfied 5D requirement of bending radius of cable, on the other hand, if the battery package is arranged from top to bottom, battery package series connection pencil needs the bending many times in order to reach the series connection purpose, cable length increases, high voltage wire harness turning radius undersize, the high voltage wire harness crust damage easily appears in the long-time operation of vehicle, make the cable reliability reduce, and then cause whole car electric leakage, seriously cause the battery short circuit condition to take place even.

SUMMERY OF THE UTILITY MODEL

To solve the problems in the prior art, the present application provides, in one aspect, a connector for a battery pack, including:

a housing having an accommodating space therein;

a plurality of first wiring ports, which are disposed on the outer side wall of the housing and are communicated with the accommodating space, and which are located on at least two different outer side walls of the housing;

at least one second wiring port, which is arranged on the outer side wall of the shell and is communicated with the accommodating space;

the first end of the first connecting wire is inserted into one first wiring port and is electrically connected with the positive electrode or the negative electrode of the battery pack, and the first end of the second connecting wire is inserted into one second wiring port and is electrically connected with the negative electrode or the positive electrode of the battery pack

Exemplarily, the connector further comprises a sealing structure for sealing the first wiring port and the second wiring port, and the sealing structure is respectively sleeved on the first wiring port and the second wiring port.

Illustratively, at least one of the first and second wiring ports is provided on a first side wall of the housing, and at least one of the first and second wiring ports is provided on one of a second, third or fourth side wall of the housing.

In an exemplary embodiment, at least one first and/or at least one second connection port is provided on a first side wall of the housing, at least one first and at least one second connection port is provided on a second side wall of the housing, at least one first and/or at least one second connection port is provided on a third side wall of the housing, and at least one first and/or at least one second connection port is provided on a fourth side wall of the housing.

Illustratively, the connector includes 3 first and 3 second wire ports, wherein one of the first wire ports is disposed on the first side wall, one of the second wire ports is disposed on the third side wall, one of the first and second wire ports is disposed on the second side wall, and one of the first and second wire ports is disposed on the fourth side wall, wherein the first and third side walls are opposite and the second and fourth side walls are opposite.

Illustratively, the accommodating space of the housing includes a first accommodating space and a second accommodating space, the first accommodating space and the second accommodating space are arranged side by side along a face of the housing for contacting the battery pack, a first part of side walls of the housing enclose the first accommodating space, and a second part of side walls of the housing enclose the second accommodating space, wherein the first wiring port is arranged on the first part of side walls, and the second wiring port is arranged on the second part of side walls.

Exemplarily, a partition plate is disposed in the housing, and the partition plate partitions the first accommodating space and the second accommodating space.

Illustratively, the housing includes a first housing and a second housing independent from each other, the first wire connection port being provided on a side wall of the first housing, and the second wire connection port being provided on a side wall of the second housing.

Illustratively, the first wire connection port or the second wire connection port includes a protruding portion and a wire passing hole, the protruding portion is disposed outside the housing and connected to a side wall of the housing, and the wire passing hole penetrates through the protruding portion and communicates with the accommodating space, wherein the sealing structure includes a sealing cover, the sealing cover is sleeved on the protruding portion, the sealing cover includes a cover body, a side wall portion connected to the cover body, and a connecting hole formed by the cover body and the side wall portion, and the connecting hole is matched with the protruding portion.

Illustratively, the sealing caps comprise a first sealing cap and a second sealing cap, wherein,

the cover body of the first sealing cover is provided with a first through hole communicated with the connecting hole of the first sealing cover, and the first end of the first connecting wire penetrates through the first through hole, the connecting hole of the first sealing cover and the first wiring port and is partially positioned in the accommodating space of the shell;

the cover body of the second sealing cover is provided with a second through hole communicated with the connecting hole of the second sealing cover, and the first end of the second connecting wire penetrates through the second through hole, the connecting hole of the second sealing cover and the second wiring port and is partially located in the accommodating space of the shell.

Illustratively, the sealing structure further comprises a sealing ring which is arranged at the end part of the bulge and is attached to part of the inner surface of the sealing cover.

Illustratively, an internal thread is arranged in the connecting hole, and an external thread matched with the internal thread is arranged on the outer side wall of the bulge.

Illustratively, further comprising a first electrical connection and a second electrical connection disposed within the housing, wherein,

one end of the first electric connection part is electrically connected with the first end of the first connection wire, the other end of the first electric connection part is used for electrically connecting the positive pole or the negative pole of the battery pack,

one end of the second electric connection part is electrically connected with the first end of the second connecting wire, and the other end of the second electric connection part is used for electrically connecting the negative pole or the positive pole of the battery pack.

The connector assembly further comprises a low-voltage interface, wherein the low-voltage interface is used for collecting the temperature and/or the voltage of the battery pack; and/or

The connector assembly further comprises a heating interface for electrically connecting a heating element within the battery pack.

Illustratively, the housing includes a first housing, a second housing, and a connecting plate connecting the first housing and the second housing, the first wiring port being provided on a side wall of the first housing, the second wiring port being provided on a side wall of the second housing, the low-voltage interface and/or the heating interface being provided on the connecting plate.

In another aspect, the present application provides a battery pack, including:

a battery pack body;

in the foregoing connector, the connector is disposed on the battery pack main body, and the first connection line is electrically connected to the positive electrode or the negative electrode of the battery pack through the connector, and the second connection line is electrically connected to the negative electrode or the positive electrode of the battery pack through the connector.

Yet another aspect of the present application provides a vehicle, comprising:

a vehicle body; and

a first battery pack and the first connector electrically connected to the first battery pack; the first battery pack and the second battery pack are vertically adjacent; and

a third battery pack and the third connector electrically connected with the third battery pack, wherein the second battery pack is arranged at one side of the third battery pack,

wherein, a first wiring port of the first connector on the first side wall of the housing and a second wiring port of the second connector on the second side wall of the housing are electrically connected by a first connecting wire, the first side wall is opposite to the second side wall, a first wiring port of the second connector on the third side wall of the housing and a second wiring port of the third connector on the fourth side wall of the housing are electrically connected by a second connecting wire, wherein, the third side wall is opposite to the fourth side wall.

According to the connector of this application the at least part in the at least one first wiring mouth with at least part in the at least one second wiring mouth the second wiring mouth set up in on the different lateral walls of casing, consequently the electricity that realizes between the battery package that can be better is connected the line for the line mode of walking of the connecting wire between the battery package is more succinct, reduces the length and the crooked number of times of connecting wire, reduces the space of arranging because of the bending radius requirement, and then reduces the space volume that the battery package took on the automobile body, and can also improve the cable reliability, and then avoid because the emergence of the damaged whole car electric leakage and the battery short circuit condition that causes of cable that the bending leads to.

The battery pack has the same advantages as the connector because of the connector;

the utility model provides a vehicle includes first battery package, second battery package and third battery package, through aforementioned connector, the line is walked in the electricity that realizes between the battery package that can be better, make the line mode of walking of the connecting wire between the battery package more succinct, reduce the length and the crooked number of times of connecting wire, reduce the space of arranging because of the bend radius requirement, and then reduce the space volume that the battery package took on the automobile body, and can also improve the cable reliability, and then avoid causing whole car electric leakage and the emergence of the battery short circuit condition because the cable damage that the bending leads to.

Drawings

Fig. 1 is a wiring diagram of a connector structure of a conventional battery pack;

FIG. 2 is an exploded view of the connector of the battery pack in one embodiment of the present application;

FIG. 3 is a schematic view of the connection of the connector and the connecting wires of a battery pack according to an embodiment of the present application;

FIG. 4A is a schematic view of the connection of the connector and the connecting wires of a battery pack according to one embodiment of the present application;

fig. 4B is a schematic diagram of the connection of the connector and the connecting wires of another embodiment of the battery pack of the present application;

fig. 4C is a schematic diagram illustrating the connection of the connector and the connecting wires of a battery pack according to yet another embodiment of the present application;

FIG. 5 is a schematic view of a connector of a battery pack according to another embodiment of the present application; FIG. 6 is a schematic view of a connector of a battery pack according to yet another embodiment of the present application;

fig. 7 is a schematic view of a connector assembly of a battery pack according to an embodiment of the present application as applied thereto.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present application. It will be apparent, however, to one skilled in the art, that the present application may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present application.

It is to be understood that the present application is capable of implementation in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the application to those skilled in the art. In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity. Like reference numerals refer to like elements throughout.

It will be understood that, although the terms first, second, third, etc. may be used to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the present application.

Spatial relational terms such as "under," "below," "under," "above," "over," and the like may be used herein for convenience in describing the relationship of one element or feature to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

At present, a plurality of battery packs are usually required to be connected in series or in parallel to form a power source of an electric vehicle, and the plurality of battery packs are usually connected in series or in parallel through a connector structure, as shown in fig. 1, a positive connector 101 and a negative connector 101 are arranged on a battery pack 100, the positive connector 101 and the negative connector 101 are led out along the horizontal direction, a high-voltage connecting wire 20 is a series line of the battery packs, the bending radius of the high-voltage connecting wire 20 is required to be more than or equal to 5 times of the diameter of a cable, and enough wiring space is reserved on two sides of the battery pack 100; when the battery packs 100 are arranged up and down, the high-voltage connecting wires 20 of the upper and lower battery packs 100 need to be bent at multiple positions to complete series connection, the high-voltage connecting wires 20 are long, and the space requirements of the upper and lower battery packs are high. However, the positive and negative leads of the connector on each battery pack 100 are all fixed in one direction, which causes the following problems in the current connectors: on the one hand, if the battery package is arranged the position and is too compact, battery package positive pole or negative pole leading-out terminal are limited apart from car frame roof beam space, when battery package high voltage cable was qualified for the next round of competitions this moment, high voltage wire harness turning radius undersize, the unsatisfied 5D requirement of bending radius of cable, on the other hand, if the battery package is arranged from top to bottom, battery package series connection pencil needs the bending many times in order to reach the series connection purpose, cable length increases, high voltage wire harness turning radius undersize, the high voltage wire harness crust damage easily appears in the long-time operation of vehicle, make the cable reliability reduce, and then cause whole car electric leakage, seriously cause the battery short circuit condition to take place even.

In view of the above problems, the present application proposes a new battery pack connector, comprising: a housing having an accommodating space therein; the first wiring ports are arranged on the outer side wall of the shell and are communicated with the accommodating space, and the first wiring ports are positioned on at least two different outer side walls of the shell; at least one second wiring port, which is arranged on the outer side wall of the shell and is communicated with the accommodating space; the first end of the first connecting wire is inserted into one first wiring port and is electrically connected with the positive pole or the negative pole of the battery pack, and the first end of the second connecting wire is inserted into one second wiring port and is electrically connected with the negative pole or the positive pole of the battery pack. According to the connector of this application a plurality of first connections are located on the lateral wall of two at least differences of casing, consequently can be better realize the electricity between the battery package and connect the line for the line mode of walking of the connecting wire between the battery package is more succinct, reduce the length and the crooked number of times of connecting wire, reduce the space of arranging because of the bend radius requirement, and then reduce the space volume that the battery package took on the automobile body, and can also improve the cable reliability, and then avoid causing whole car electric leakage and the emergence of the battery short circuit condition because the cable damage that the bending leads to.

The connector of the battery pack of the present application, and the battery pack and the vehicle will be described with reference to fig. 1 to 7, in which fig. 1 is a wiring diagram of a connector structure of a conventional battery pack; FIG. 2 is an exploded view of the connector of the battery pack in one embodiment of the present application; FIG. 3 is a schematic view of the connection of the connector and the connecting wires of a battery pack according to an embodiment of the present application; fig. 4A is a schematic diagram illustrating the connection of the connector and the connecting wires of the battery pack according to an embodiment of the present application; fig. 4B is a schematic diagram of the connection of the connector and the connecting wires of another embodiment of the battery pack of the present application; fig. 4C is a schematic view of the connection of the connector and the connecting wires of a battery pack according to yet another embodiment of the present application; FIG. 5 is a schematic view of a connector of a battery pack according to another embodiment of the present application; FIG. 6 is a schematic view of a connector of a battery pack according to yet another embodiment of the present application; fig. 7 is a schematic view of a battery pack according to an embodiment of the present application when the connector is applied thereto.

As an example, as shown in fig. 2, the connector 1 of the battery pack of the present application includes a housing 7, and the housing 7 has therein an accommodation space for accommodating a plurality of components of the connector 1, such as components for electrically connecting with the positive and negative electrodes of the battery pack, and the like. To facilitate assembly and disassembly, the housing 7 of the present application may be formed by combining a housing body having an opening and a cover plate 13, wherein the cover plate 13 and the housing body are detachably connected, for example, by one or more of screwing, snapping, etc., and the cover plate 13 closes the opening of the housing body.

Further, as shown in fig. 2, the connector 1 of the battery pack of the present application further includes a plurality of first connection ports located on at least two different outer side walls of the housing 7 and at least one second connection port located on an outer side wall of the housing 7, the first connection ports and the second connection ports communicating with the receiving space.

It is worth mentioning that in this application, the outer side wall refers to the outer surface of the side wall of the housing.

The number of the first wire connection ports may be greater than or equal to two, for example, 2, 3, etc., and the number of the second wire connection ports may be greater than or equal to one, for example, 1, 2, or 3, etc., and the drawings in the present application show the case where the number of the first wire connection ports and the number of the second wire connection ports are each 3, but this is not intended to be limiting.

In one example, the connector assembly 1 includes two of the first wiring ports and one of the second wiring ports, wherein the two first wiring ports are provided on different side walls of the housing 7, such as any two of the first wiring ports A, B, F and any one of the second wiring ports C, D, E as shown in fig. 2. When using, can select to use first wiring mouth and second wiring mouth to have the connector 1 of different positions, also can be better realize the electric connection between the battery package for example establish ties or parallelly connected line of walking, make the line mode of walking of the connecting wire between the battery package more succinct, reduce the length and the bending number of times of connecting wire, reduce the space of arranging because of the bending radius requirement, and then reduce the space volume that the battery package took on the automobile body, and can also improve the cable reliability, and then avoid causing whole car electric leakage and the emergence of the battery short circuit condition because the cable damage that the bending leads to.

In one example, at least one of the first and second wire ports, such as the first and second wire ports F and E shown in fig. 2, is provided on a first side wall of the housing 7, and at least one of the first or second wire ports, such as the first or second wire port, is provided on one of the second, third or fourth side walls of the housing 7.

In one example, at least one of the first and second wire ports is disposed on a first side wall of the housing 7, at least one of the first and second wire ports is disposed on a second side wall of the housing 7, at least one of the first and second wire ports is disposed on a third side wall of the housing 7, at least one of the first and second wire ports is disposed on a fourth side wall of the housing 7, for example, as shown in FIG. 2, the connector includes 3 of the first wire ports A, B, F and 3 of the second wire ports C, D, E, wherein one of the first wire ports A is disposed on the first side wall and one of the second wire ports D is disposed on the third side wall, one of the first and second wire ports B and C is provided on the second side wall, and one of the first and second wire ports F and E is provided on the fourth side wall, wherein the first side wall is opposite to the third side wall, and the second side wall is opposite to the fourth side wall.

Optionally, the accommodating space of the housing 7 includes a first accommodating space 171 and a second accommodating space 172, the first accommodating space 171 and the second accommodating space 172 are arranged side by side along the face of the housing 7 for contacting the battery pack, a first part of side walls of the housing 7 encloses the first accommodating space 171, and a second part of side walls of the housing 7 encloses the second accommodating space 172, wherein the first wire connection port is arranged on the first part of side walls, and the second wire connection port is arranged on the second part of side walls. Through corresponding two accommodation space of casing 7 respectively with first wiring mouth and second wiring mouth, can avoid both short circuits to the effect of playing the isolation to the positive pole and the negative pole of battery package. Optionally, a partition 173 is disposed in the housing 7, and the partition 173 divides the first receiving space 171 and the second receiving space 172. By providing the separator 173, it is possible to prevent the positive electrode and the negative electrode of the battery pack from being short-circuited.

The connector 1 of this application still includes first connecting wire 4 and second connecting wire 12, wherein, the first end of first connecting wire 4 is inserted and is located one in the first wiring mouth and with the anodal or the negative pole electricity of battery package is connected, the first end of second connecting wire 12 is inserted and is located one in the second wiring mouth and with the negative pole or the anodal electricity of battery package are connected.

When the battery packs are electrically connected, for example, in series, any one of the first connection ports and any one of the second connection ports of the connector 1 may be selected to enable the first connection line 4 and the second connection line 12 to be inserted into the corresponding connection ports and electrically connected to the positive electrode and the negative electrode of the battery pack, respectively, for example, as shown in fig. 2, a first end of the first connection line 4 (for example, a positive cable) is inserted into one of the first connection ports a and electrically connected to the positive electrode of the battery pack, and a first end of the second connection line 12 (for example, a negative cable) is inserted into one of the second connection ports and electrically connected to the negative electrode of the battery pack.

In one example, the connector 1 further includes a first electrical connection portion 8 and a second electrical connection portion (not shown) disposed in the housing 7, wherein one end of the first electrical connection portion 8 is electrically connected to the first end of the first connection line 4, the other end of the first electrical connection portion 8 is used for electrically connecting the positive electrode or the negative electrode of the battery pack, one end of the second electrical connection portion is electrically connected to the first end of the second connection line 12, and the other end of the second electrical connection portion is used for electrically connecting the negative electrode or the positive electrode of the battery pack.

Optionally, the first electrical connection portion 8 and the second electrical connection portion are, for example, connection terminals, wherein a mounting hole communicating with the accommodating space in the housing 7 may be further provided on a side of the housing 7 facing the battery pack, the other end of the first electrical connection portion 8 penetrates out of the mounting hole and is located outside the housing 7, a connection hole is provided on the other end of the second electrical connection portion, and is connected to the positive electrode of the battery pack through the connection hole, a mounting hole communicating with the accommodating space in the housing 7 may be further provided on a side of the housing 7 facing the battery pack, the other end of the second electrical connection portion penetrates out of the mounting hole and is located outside the housing 7, and a connection hole is provided on the other end of the second electrical connection portion, and is connected to the negative electrode of the battery pack through the connection hole.

Alternatively, the shape of the connection hole may be any suitable shape, such as circular, oval, or directional, etc. Alternatively, the connection hole of the first electrical connection portion 8 is electrically connected to the positive electrode of the battery pack, for example, by a conductive member such as a bolt or a connecting wire or the like inserted into the connection hole, and the connection hole of the second electrical connection portion is electrically connected to the negative electrode of the battery pack, for example, by a conductive member such as a bolt or a connecting wire or the like inserted into the connection hole.

Alternatively, one end of the first electrical connection portion 8, such as a terminal, is provided with a threaded hole to be electrically connected to the first connection line 4 by a conductive bolt provided in the threaded hole, and one end of the second electrical connection portion, such as a terminal, is provided with a threaded hole to be electrically connected to the second connection line 12 by a conductive bolt provided in the threaded hole.

In one example, as shown in fig. 2, a first end of the first connection wire 4 is further provided with a wire nose 5 (alternatively, the wire nose 5 may be connected with the first connection wire 4 by crimping), the first connection wire 4 enters a first accommodation space 171 (also called a positive electrode side) inside the housing 7 through the first wire connection port a, the wire nose of the first connection wire 4 is connected with a first electrical connection part such as a positive electrode terminal through a bolt, a first end of the second connection wire 12 is further provided with a wire nose (alternatively, the wire nose may be connected with the second connection wire 12 by crimping), the second connection wire 12 enters a second accommodation space 172 (also called a negative electrode side) inside the housing 7 through the second wire connection port D, the wire nose of the second connection wire 12 is connected with a second electrical connection part such as a negative electrode terminal through a bolt, so as to realize the connection between the first connection wire 4 and the positive electrode of the battery pack, and the connection of the second connecting line 12 and the negative electrode of the battery pack is realized.

In order to improve the sealing performance of the first and second wire connection ports, as shown in fig. 2, the connector 1 of the present application further includes a plurality of sealing structures for sealing the first and second wire connection ports, each sealing structure being respectively sleeved on one of the wire connection ports, for example, each wire connection port includes a protruding portion disposed outside the housing 7 and connected to a side wall of the housing 7 (e.g., an outer surface of the side wall of the housing, i.e., an outer side wall) and a wire passing hole penetrating through the protruding portion and communicating with the accommodating space, wherein the sealing structure includes a sealing cover sleeved on the protruding portion, the sealing cover includes a cover body, a side wall portion connected to the cover body, and a connecting hole surrounded by the cover body and the side wall portion, and the connecting hole is matched with the protruding portion, for example, the sealing cover is a threaded sleeve, an internal thread is arranged in the connecting hole, an external thread matched with the internal thread is arranged on the outer side wall of the protruding part (namely, the outer surface of the side wall of the protruding part), and the sealing cover can be connected with the protruding part of the wiring port through the thread, so that the sealing of the wiring port is realized. In addition to the above, the sealing cap may be of other suitable construction, for example it may be a resilient rubber sleeve which can be fitted over the projection of the wire connection opening.

In one example, the sealing structure further comprises a sealing ring 6, and the sealing ring 6 is arranged at the end of the protruding part and is attached to part of the inner surface of the sealing cover, so that the sealing performance of the sealing structure on the wiring port is further improved. In one example, the sealing covers include a first sealing cover 3 and a second sealing cover 11, wherein the cover body of the first sealing cover 3 is provided with a first through hole communicating with the connecting hole of the first sealing cover 3, a first end of the first connecting wire 4 is inserted into the first through hole, the connecting hole of the first sealing cover 3 and the first wiring port and is partially located in the accommodating space (e.g., the first accommodating space 171) of the housing 7, the cover body of the second sealing cover 11 is provided with a second through hole communicating with the connecting hole of the second sealing cover 11, and a first end of the second connecting wire 12 is inserted into the second through hole, the connecting hole of the second sealing cover 11 and the second wiring port and is partially located in the accommodating space of the housing 7.

For example, taking the connection ports a and D of fig. 2 as an example, the first connection wire 4 is crimped with a wire nose and is sleeved with a first sealing cover 3 (e.g., a threaded sleeve), the first connection wire 4 enters the positive side inside the housing 7 of the connector 1 through the first connection port a, the wire nose 5 crimped with the first connection wire 4 is fixed with a first electrical connection portion 8 of the positive electrode, such as a connection terminal, by a bolt 16, while the first sealing cover 3 (e.g., the threaded sleeve) has an internal thread structure inside and is screwed with an external thread on the first connection port a (i.e., an external thread of a protrusion of the first connection port a), and the first connection wire 4 is sealed with the first connection port a of the housing 7 by a sealing ring 6; the second connecting wire 12 is pressed and connected with the wire nose 5 in a pressing mode, and is sleeved with a second sealing cover 11 (such as a thread sleeve), the second connecting wire 12 enters the negative side in the shell 77 through a second wire connecting port D, the wire nose 5 pressed and connected with the second connecting wire 12 is fixed with a first electric connection part 8 (such as a negative wire connecting terminal) through a bolt 16, meanwhile, an internal thread structure is arranged in the second sealing cover 11 (such as the thread sleeve) and is matched and screwed with an external thread on the second wire connecting port D, and the second connecting wire 12 is sealed with the second wire connecting port D of the shell 77 through a sealing ring 6; the other 4 connection ports B, C, E, F have no high-voltage cables led out, and sealing structures such as a blocking cover 9 (also called a sealing cover) and a sealing ring 6 are adopted to be screwed and sealed with the connection ports through internal threads in the blocking cover 9; a ring of sealing gasket 17 is arranged at the opening of the upper part of the shell body of the shell 7, and the cover plate 13 realizes the upper part sealing of the shell body of the shell 7 through a bolt 14.

In addition to the wire outgoing methods of the first port a and the second port D shown in fig. 2 and 3, the connector 1 having 3 first ports and three second ports exemplified in the present application may have other wire outgoing methods, for example, the wire outgoing methods of the first port a and the second port E shown in fig. 4A, the wire outgoing methods of the first port B and the second port E shown in fig. 4B, the wire outgoing methods of the first port F and the second port E shown in fig. 4C, the wire outgoing methods of the first port F and the second port D, and the like.

Due to the fact that the multiple outgoing line modes are arranged, the suitable outgoing line mode can be selected according to the position relation between the battery packs, the electric connection between the battery packs can be better achieved, for example, serial wiring is achieved, the wiring mode of the connecting line between the battery packs is simpler, the length and the bending frequency of the connecting line are reduced, the arrangement space required by the bending radius is reduced, the space volume occupied by the battery packs on the vehicle body is reduced, the reliability of the cable can be improved, and the situation that the whole vehicle leaks electricity and the battery is short-circuited due to the fact that the cable is damaged due to bending is avoided.

In one embodiment of the present application, the housing 7 of the connector 1 may further include two first and second housings 71 and 72 independent of each other, the first wiring port being provided on a side wall of the first housing 71, and the second wiring port being provided on a side wall of the second housing 72. Alternatively, a wiring port may be provided on a side wall of the first housing 71 and the second housing 72 opposite to each other.

For example, as shown in fig. 5, 3 first wiring ports may be provided on a side wall of the first housing 71, 3 second wiring ports may be provided on a side wall of the second housing 72, the first wiring ports may be provided on different side walls of the first housing 71, and the second wiring ports may be provided on different side walls of the second housing 72.

The first housing 71 and the second housing 72 may be sealed by one cover plate 13, respectively, or may be sealed by the same cover plate 13.

In one example, as shown in fig. 6, the connector 1 further includes a low voltage interface 18, the low voltage interface 18 is used for collecting the temperature and/or voltage of the battery pack, the low voltage interface 18 may be disposed at any suitable position of the housing 7, for example, the housing 7 includes a first housing 71, a second housing 72, and a connecting board connecting the first housing 71 and the second housing 72, the first wiring port is disposed on a side wall of the first housing 71, the second wiring port is disposed on a side wall of the second housing 72, the low voltage interface 18 is disposed on the connecting board, and the connecting board may connect opposite side walls of the first housing 71 and the second housing 72, for example, a bottom of the connecting side wall (the bottom is an end of the connector 1 close to the battery pack).

The low voltage interface 18 may be electrically connected to a battery management controller of the battery pack, and the low voltage interface 18 is further configured to send the collected information of the temperature and/or the voltage to the battery management controller, so that the battery management controller can control the battery pack to be turned off and the like when the temperature or the voltage exceeds a preset range, thereby increasing the safety of the battery pack.

In one example, the connector 1 of the present application further comprises a heating interface 19, wherein the heating interface 19 is used for electrically connecting a heating element in the battery pack, so as to supply power to the heating element in the battery pack when needed, so as to increase the ambient temperature of the environment where the battery pack is located, and prevent the heating element from negatively influencing the performance of the battery pack due to too low temperature, and the heating element can be any one or more of a heating sheet, a heating film, a heating rod, a resistance wire and the like. Alternatively, the heating interface 19 may be provided on the housing 7, for example on a connection plate of the housing 7 as shown in fig. 6.

Alternatively, connector 1 may also incorporate service switches and/or fuses, etc., to form an integrated connector 1 panel. The fuse can be fused when the current in the loop is too large, so that the battery pack is protected, and the use safety of the battery pack is improved. The maintenance switch may then be used to power down the battery pack, etc.

The connector 1 may be disposed on the battery pack in any suitable manner, for example, on a side wall of the battery pack, that is, on a side wall of a housing of the battery pack, for example, one or more of a snap connection, a screw connection, or a welding manner may be used, for example, as shown in fig. 2, and the connector may be detachably disposed on the battery pack by a bolt 10.

In summary, each wiring port of the connector 1 according to the present application is disposed in the sealing structure, and the sealing structure can perform a sealing function, so that the sealing performance of the connector 1 and the battery pack is better, and further, the function of preventing water or dust and the like from entering the connector 1 and the battery pack is performed.

And, when connector 1 of this application is when having a plurality of wiring mouths, except being used for the wiring mouth of being connected with first connecting wire 4 and second connecting wire 12, other unnecessary wiring mouths are a plurality of outlet wire positions of reserving, thereby can arrange different positions outlet wire demand in a flexible way, thereby can be better realize the electric connection between the battery package for example establish ties walk the line, make the line mode of walking of the connecting wire between the battery package more succinct, reduce the length and the crooked number of times of connecting wire, reduce the space of arranging because of the bend radius requirement, and then reduce the space volume that the battery package took on the automobile body, and can also improve the cable reliability, and then avoid because the damaged emergence that causes whole car electric leakage and battery short circuit condition of cable that the bending leads to.

Further, the present application also provides a battery pack, which includes a battery pack main body; in the foregoing connector, the connector is disposed on the battery pack main body, and the first connecting line is electrically connected to the positive electrode or the negative electrode of the battery pack through the connector, and the second connecting line is electrically connected to the negative electrode or the positive electrode of the battery pack through the connector, so that the battery pack and another battery pack are connected in series through the first connecting line and the second connecting line.

The battery pack of the present application has the same advantages as the aforementioned connector, because it has the aforementioned connector.

Further, the present application provides a vehicle, comprising: a vehicle body (not shown). The vehicle body may include a space for accommodating passengers, and an installation space for installing various components and devices required for the vehicle.

In one example, as shown in fig. 7, a vehicle may include a battery power source in which a plurality of battery packs are connected in series, and is disposed in an installation space of the vehicle, for example, a bottom of a vehicle body.

As shown in fig. 7, the battery power source 200 includes a first battery pack 201 and a first connector 21 electrically connected to the first battery pack 201, and the first connector 21 may have the structure of the connector described in the previous embodiment and will not be described again.

In one example, as shown in fig. 7, the battery power source 200 may further include a second battery pack 202 and a second connector 22 electrically connected to the second battery pack 202, the first battery pack 201 and the second battery pack 202 are adjacent to each other up and down, and the second connector 22 may have the structure of the connector described in the previous embodiment, and will not be described again.

In one example, as shown in fig. 7, the battery power source 200 may further include a third battery pack 203 and a third connector 23 electrically connected to the third battery pack 203, the second battery pack 202 is located at one side of the third battery pack 203, and the third connector 23 may have the structure of the connector described in the previous embodiment, and will not be described again.

Wherein, a first wiring port of the first connector 21 located at the first side wall of the housing thereof and a second wiring port of the second connector 22 located at the second side wall of the housing thereof are electrically connected by a first connection line, the first side wall is opposite to the second side wall, a first wiring port of the second connector located at the third side wall of the housing thereof and a second wiring port of the third connector located at the fourth side wall of the housing thereof are electrically connected by a second connection line, wherein the third side wall is opposite to the fourth side wall.

Optionally, as shown in fig. 7, the battery power source 200 may further include a fourth battery pack 204 and a fourth connector 24 electrically connected to the fourth battery pack 204, wherein the fourth battery pack 204 is located above the third battery pack 203.

The number of the battery packs included in the battery power source 200 is only an example, and the number of the battery packs to be connected in series may be more than 4 or less than four, or at least two, and is not limited specifically herein.

To sum up, the vehicle of this application includes a plurality of battery packages, through the mode collocation of being qualified for the next round of competitions of the connector of battery package, the electricity that realizes between the battery package that can be better is for example established ties and is walked the line, make the line mode of walking of the connecting wire between the battery package more succinct, reduce the length and the crooked number of times of connecting wire, reduce the space of arranging because of the bend radius requirement, and then reduce the space volume that the battery package took on the automobile body, and can also improve the cable reliability, and then avoid causing whole car electric leakage and the emergence of the battery short circuit condition because the cable damage that the bending leads to.

Although the example embodiments have been described herein with reference to the accompanying drawings, it is to be understood that the above-described example embodiments are merely illustrative and are not intended to limit the scope of the present application thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present application. All such changes and modifications are intended to be included within the scope of the present application as claimed in the appended claims.

Claims (17)

1. A connector for a battery pack, said connector comprising:

a housing having an accommodating space therein;

the first wiring ports are arranged on the outer side wall of the shell and are communicated with the accommodating space, and the first wiring ports are positioned on at least two different outer side walls of the shell;

at least one second wiring port, which is arranged on the outer side wall of the shell and is communicated with the accommodating space;

the first end of the first connecting wire is inserted into one first wiring port and is electrically connected with the positive pole or the negative pole of the battery pack, and the first end of the second connecting wire is inserted into one second wiring port and is electrically connected with the negative pole or the positive pole of the battery pack.

2. The connector of claim 1, further comprising:

and the sealing structure is used for sealing the first wiring port and the second wiring port and is respectively sleeved on the first wiring port and the second wiring port.

3. The connector assembly of claim 1, wherein at least one of said first and second wire ports is provided in a first side wall of said housing, and at least one of said first and second wire ports is provided in one of a second, third or fourth side wall of said housing.

4. The connector assembly of claim 1, wherein at least one of said first and/or second terminal ports is provided on a first side wall of said housing, at least one of said first and second terminal ports is provided on a second side wall of said housing, at least one of said first and/or second terminal port is provided on a third side wall of said housing, and at least one of said first and/or second terminal port is provided on a fourth side wall of said housing.

5. The connector of claim 4, wherein said connector includes 3 of said first wire ports and 3 of said second wire ports, wherein one of said first wire ports is disposed on said first side wall, one of said second wire ports is disposed on said third side wall, one of said first wire ports and one of said second wire ports are disposed on said second side wall, and one of said first wire ports and one of said second wire ports are disposed on said fourth side wall, wherein said first side wall is opposite said third side wall and said second side wall is opposite said fourth side wall.

6. The connector of claim 1, wherein the housing receiving space of the housing includes a first receiving space and a second receiving space, the first receiving space and the second receiving space

The second part lateral wall of the shell encloses and becomes the second accommodation space, wherein, the first wiring port set up in on the first part lateral wall, the second wiring port set up in on the second part lateral wall.

7. The connector of claim 6, wherein a spacer plate is disposed within said housing, said spacer plate dividing said first receiving space and said second receiving space.

8. The connector of claim 1, wherein said housing includes a first housing and a second housing independent of each other, said first wire port being provided on a side wall of said first housing, said second wire port being provided on a side wall of said second housing.

9. The connector according to claim 2, wherein the first or second wire connection port includes a protruding portion provided outside the housing and connected to a side wall of the housing, and a wire passage hole penetrating the protruding portion and communicating with the accommodating space, wherein the sealing structure includes a sealing cover that is fitted over the protruding portion, the sealing cover includes a cover body, a side wall portion connected to the cover body, and a connection hole surrounded by the cover body and the side wall portion, and the connection hole is matched with the protruding portion.

10. The connector of claim 9, wherein the seal cap comprises a first seal cap and a second seal cap, wherein,

the cover body of the first sealing cover is provided with a first through hole communicated with the connecting hole of the first sealing cover, and the first end of the first connecting wire penetrates through the first through hole, the connecting hole of the first sealing cover and the first wire connecting port and is partially positioned in the accommodating space of the shell;

the cover body of the second sealing cover is provided with a second through hole communicated with the connecting hole of the second sealing cover, and the first end of the second connecting wire penetrates through the second through hole, the connecting hole of the second sealing cover and the second wiring port and is partially located in the accommodating space of the shell.

11. The connector of claim 9, wherein said seal structure further comprises a seal ring disposed at an end of said projection and engaging a portion of an inner surface of said seal cover.

12. The connector of claim 9, wherein an internal thread is provided in the attachment hole, and an external thread matching the internal thread is provided on an outer side wall of the projection.

13. The connector of claim 1, further comprising a first electrical connection and a second electrical connection disposed within the housing, wherein,

one end of the first electric connection part is electrically connected with the first end of the first connection wire, the other end of the first electric connection part is used for electrically connecting the positive pole or the negative pole of the battery pack,

one end of the second electric connection part is electrically connected with the first end of the second connecting wire, and the other end of the second electric connection part is used for electrically connecting the negative pole or the positive pole of the battery pack.

14. The connector of claim 1, further comprising a low voltage interface for collecting temperature and/or voltage of a battery pack; and/or

The connector assembly further comprises a heating interface for electrically connecting a heating element within the battery pack.

15. The connector of claim 14, wherein said housing includes a first housing, a second housing, and a connecting plate connecting said first housing and said second housing, said first connection port being provided on a side wall of said first housing, said second connection port being provided on a side wall of said second housing, said low voltage port and/or said heating port being provided on said connecting plate.

16. A battery pack, comprising:

a battery pack body;

the connector as claimed in any one of claims 1 to 15, which is provided on the battery pack main body, and a first connecting wire is electrically connected to the positive electrode or the negative electrode of the battery pack through the connector, and a second connecting wire is electrically connected to the negative electrode or the positive electrode of the battery pack through the connector.

17. A vehicle, characterized in that the vehicle comprises:

a vehicle body;

a first battery pack and a first connector electrically connected to the first battery pack, the first connector being as claimed in any one of claims 1 to 15;

a second battery pack and a second connector electrically connected to the second battery pack, the second connector being according to any one of claims 1 to 15, the first battery pack and the second battery pack being adjacent one another; and

a third battery pack and a third connector electrically connected to the third battery pack, the third connector being according to any one of claims 1 to 15, the second battery pack being located on one side of the third battery pack,

wherein, a first wiring port of the first connector on the first side wall of the housing and a second wiring port of the second connector on the second side wall of the housing are electrically connected through a first connecting wire, the first side wall is opposite to the second side wall, a first wiring port of the second connector on the third side wall of the housing and a second wiring port of the third connector on the fourth side wall of the housing are electrically connected through a second connecting wire, and the third side wall is opposite to the fourth side wall.

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