CN215869609U - Battery module - Google Patents

Abstract

The utility model discloses a battery module, and relates to the technical field of batteries; the battery module comprises a shell, a parameter acquisition assembly and a dustproof piece. A battery cell is arranged in the shell; the parameter acquisition assembly comprises a circuit board, a partition board and a socket, the circuit board is arranged in the shell and used for acquiring parameter information of the battery core, the socket is electrically connected with the circuit board through the partition board, and the socket is provided with an opening. The dustproof piece is arranged on the shell and used for sealing the opening; one of the dustproof piece and the shell is provided with a first limiting piece, the other one is provided with a first limiting groove, and the dustproof piece and the shell are matched along a first direction; one of the dustproof piece and the shell is provided with a second limiting piece, the other one is provided with a second limiting groove, and the dustproof piece and the shell are matched along a second direction; wherein, the first direction and the second direction form an included angle. Can follow two directions and cooperate between this battery module's the dustproof piece and the casing to can fully guarantee the dustproof piece and seal open stability, can fully improve battery module's security and reliability.

Description

Battery module

Technical Field

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

Background

The power battery module is used as a core component of the electric automobile, and besides the requirement on the aspect of appearance size, the tests on the aspect of function and safety also need to be ensured. For this purpose, a parameter acquisition component is usually arranged to acquire parameter information of the battery cell, such as temperature and voltage. However, because the socket of the parameter acquisition assembly as the test interface is exposed outside the module, impurities such as dust and metal debris easily fall into the socket, and the test acquisition is invalid or the electric core is short-circuited.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a battery module of which sundries are not easy to enter a socket of a parameter acquisition assembly, which can effectively ensure the efficiency and quality of parameter acquisition, thereby ensuring the safety and reliability of a battery core during operation and further ensuring the safety and stability of the battery module.

The embodiment of the utility model is realized by the following steps:

in a first aspect, the present invention provides a battery module, including:

a shell, wherein a battery cell is arranged in the shell;

the parameter acquisition assembly comprises a circuit board, a partition board and a socket, the circuit board is arranged in the shell and used for acquiring parameter information of the battery cell, the socket is electrically connected with the circuit board through the partition board, and the socket is provided with an opening;

the dustproof piece is arranged on the shell and used for sealing the opening; one of the dustproof piece and the shell is provided with a first limiting piece, the other of the dustproof piece and the shell is provided with a first limiting groove, and the first limiting piece is used for being matched with the first limiting groove along a first direction; one of the dustproof piece and the shell is provided with a second limiting piece, the other of the dustproof piece and the shell is provided with a second limiting groove, and the second limiting piece is used for being matched with the second limiting groove along a second direction; wherein, the first direction and the second direction form an included angle.

In an optional embodiment, the dustproof piece comprises an installation part and a dustproof part, the installation part is provided with an installation cavity, the installation part is inserted into a wall body of the shell through the installation cavity, and the dustproof part is connected with the installation part and used for sealing the opening;

the first limiting part and the second limiting part are arranged on the mounting part and located in the mounting cavity, and the first limiting groove and the second limiting groove are arranged on the wall body of the shell.

In an optional embodiment, the mounting part comprises a bottom plate, a first side plate and a second side plate, the first side plate and the second side plate are oppositely arranged on two sides of the bottom plate at intervals along the second direction, one end of the first side plate is connected with the bottom plate, and the other end of the first side plate extends towards the direction far away from the bottom plate along the first direction so as to form a mounting cavity together with the bottom plate; one end of the dustproof part is connected with the first side plate, and the other end of the dustproof part extends in the direction far away from the first side plate;

the first limiting piece is a limiting block which is arranged on the bottom plate and is connected between the first side plate and the second side plate; the first limiting groove is formed in the end part of the wall body of the shell and is inserted into the limiting block when the mounting cavity is inserted into the wall body of the shell;

the second limiting piece is a buckle which is arranged on the second side plate and is convexly arranged towards the first side plate; the second limiting groove is formed in the wall body of the shell and is buckled with the buckle when the mounting cavity is plugged with the wall body of the shell.

In an optional embodiment, the number of the second limiting members is multiple, and the multiple second limiting members are disposed on the second side plate at intervals along the third direction; a plurality of second limiting grooves are correspondingly formed in the wall body of the shell, and the plurality of second limiting pieces are buckled with the plurality of second limiting grooves in a one-to-one corresponding mode;

the third direction, the first direction and the second direction are arranged in pairs at included angles.

In an optional embodiment, a limiting strip assembly is further arranged in the mounting cavity, the limiting strip assembly comprises a first limiting strip and a second limiting strip, the first limiting strip and the second limiting strip are both arranged in an extending manner along a first direction, the first limiting strip is arranged on the first side plate, and the second limiting strip is arranged on the second side plate; when the installation cavity is inserted into the wall body of the shell, the first limit strip and the second limit strip are respectively positioned at two sides of the wall body of the shell and are respectively abutted against two sides of the wall body of the shell.

In an optional implementation mode, a plurality of limiting strip assemblies are arranged in the mounting cavity at intervals along a third direction, and the third direction, the first direction and the second direction are arranged in pairs at included angles.

In an optional embodiment, the casing includes two end plates and two side plates, the two end plates are arranged oppositely and at intervals, the two side plates are arranged oppositely and at intervals between the two end plates, and the two side plates and the two end plates jointly enclose an accommodating cavity for accommodating the battery cell;

the baffle sets up in any one of two end plates, and the socket sets up in the position of the tip of baffle neighbouring end plate, and the dust keeper sets up in the end plate to it is uncovered to seal.

In an optional embodiment, the end portion of the end plate is provided with a cavity, one end of the dust-proof piece extends into the cavity and is matched with the end plate, and the other end of the dust-proof piece is closed and opened.

In an optional embodiment, the end plate is further provided with mounting holes penetrating through the top and the bottom of the end plate at positions adjacent to the cavity, and the battery module further comprises a first fastener for penetrating through the mounting holes to fixedly fix the battery module on the mounting surface of the battery pack.

In an optional embodiment, the socket is attached to the separator, the separator is provided with a first fastening hole, the end plate is provided with a second fastening hole, and the battery module further comprises a second fastening piece which is used for fastening and connecting the separator and the end plate after penetrating through the first fastening hole and the second fastening hole.

The embodiment of the utility model has at least the following advantages or beneficial effects:

the embodiment of the utility model provides a battery module, which comprises a shell, a parameter acquisition assembly and a dustproof piece. A battery cell is arranged in the shell; the parameter acquisition assembly comprises a circuit board, a partition board and a socket, the circuit board is arranged in the shell and used for acquiring parameter information of the battery core, the socket is electrically connected with the circuit board through the partition board, and the socket is provided with an opening. The dustproof piece is arranged on the shell and used for sealing the opening; one of the dustproof piece and the shell is provided with a first limiting piece, the other of the dustproof piece and the shell is provided with a first limiting groove, and the first limiting piece is used for being matched with the first limiting groove along a first direction; one of the dustproof piece and the shell is provided with a second limiting piece, the other of the dustproof piece and the shell is provided with a second limiting groove, and the second limiting piece is used for being matched with the second limiting groove along a second direction; wherein, the first direction and the second direction form an included angle.

On one hand, the battery module can effectively reduce the risk that dust, metal debris and other impurities fall into the socket through the opening through the arrangement of the dustproof piece, and can effectively ensure the efficiency and quality of parameter acquisition, so that the safety and reliability of the battery core during operation can be ensured, and the safety and stability of the battery module can be further ensured; on the other hand, carry on spacingly through first locating part and first spacing groove along the cooperation of first direction between dustproof and the shell, it is spacing along the cooperation of second direction through second locating part and second spacing groove again simultaneously, make between dustproof and the shell complex stability and reliability fully ensured, thereby can guarantee that the dustproof seals open stability, in order to further reduce the dust, debris such as metal piece fall into the risk of socket through uncovered, and then fully guarantee battery module's security and stability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of a partial structure of a battery module according to an embodiment of the present invention;

fig. 2 is a schematic view of a partial structure of a battery module according to an embodiment of the utility model;

fig. 3 is a schematic view of a partial structure of a battery module according to an embodiment of the utility model;

fig. 4 is a partially exploded view illustrating a battery module according to an embodiment of the present invention;

fig. 5 is a schematic view illustrating a partial structure of a battery module according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a dust-proof member of a battery module according to an embodiment of the present invention.

The diagram is 100-end plate; 101-a parameter acquisition component; 103-a circuit board; 105-a separator; 107-socket; 109-dust-proof parts; 111-open mouth; 113-a first stop; 115-a first restraint slot; 117-second limit; 119-a second limiting groove; 121-a mounting portion; 122-a mounting cavity; 123-a bottom plate; 125-a first side panel; 127-a second side plate; 129-dust-proof part; 131-a spacing bar assembly; 133-a first stop bar; 135-a second stop bar; 137-chamber; 139-mounting hole; 141-a second fastener; 143-first fastening hole; 145-second fastening hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Among the correlation technique, in the parameter acquisition subassembly of battery module, the socket as test interface exposes in the module outside for debris such as dust, metallic debris fall into the socket easily, lead to test collection inefficacy or electric core short circuit. In view of this, the embodiment provides a battery module of a socket that sundries are not easy to enter the parameter acquisition assembly, which can effectively ensure the efficiency and quality of parameter acquisition, thereby ensuring the safety and reliability of the battery cell during operation, and further ensuring the safety and stability of the battery module itself. The structure of the battery module will be described in detail below.

Fig. 1 is a schematic view of a partial structure of a battery module according to the present embodiment; fig. 2 is a schematic view of a partial structure of a battery module according to the present embodiment; fig. 3 is a schematic view of a partial structure of a battery module according to the present embodiment; fig. 4 is a partially exploded schematic view of the battery module provided in this embodiment. Referring to fig. 1 to 4, the battery module provided in the present embodiment includes a housing, a parameter collecting assembly 101, and a dust-proof member 109.

In detail, the housing includes two end plates 100 and two side plates, the two end plates 100 are opposite and spaced, the two side plates are opposite and spaced between the two end plates 100, and the two side plates and the two end plates 100 jointly enclose an accommodating cavity for accommodating the battery cell. A plurality of electric cores set up in the holding intracavity side by side, and two end plates 100 are located the both ends of a plurality of electric cores respectively, and two curb plates are located the both sides of a plurality of electric cores respectively. Of course, the housing may further include a top plate and a bottom plate 123 according to requirements, the top plate is disposed on the top of the structure formed by the end plate 100 and the side plate, and the bottom plate 123 is disposed on the bottom of the structure formed by the end plate 100 and the side plate, so as to sufficiently ensure the safety of the battery cell disposed inside.

In detail, the parameter acquisition assembly 101 includes a circuit board 103, a spacer 105, and a receptacle 107. The circuit board 103 is a flexible circuit board of an FPC, the partition board 105 is a PFC partition board, the circuit board 103 is disposed in the housing and is configured to cooperate with the battery cell to collect parameter information of the battery cell, such as temperature and voltage, the partition board 105 is disposed on the end plate 100, the socket 107 is electrically connected to the circuit board 103 through the partition board 105, and the socket 107 has an opening 111. The dust-proof member 109 is disposed on the housing, and particularly disposed on the end plate 100 for closing the opening 111. Through setting up like this, can reduce debris such as dust, metal piece effectively and fall into the risk of socket 107 through uncovered 111, can guarantee parameter acquisition's efficiency and quality effectively to security and reliability when can guaranteeing electric core operation, and then can guarantee the security and the stability of battery module self. Of course, in other embodiments, the partition 105 may also be disposed on the side plate, and at this time, the dust-proof member 109 may also be disposed on the side plate correspondingly, which is not limited in this embodiment.

In more detail, in the present embodiment, one of the dust-proof component 109 and the end plate 100 is provided with a first limiting component 113, the other of the dust-proof component 109 and the end plate 100 is provided with a first limiting groove 115, and the first limiting component 113 is configured to cooperate with the first limiting groove 115 along a first direction (i.e. ab direction in fig. 4). Meanwhile, one of the dust-proof member 109 and the end plate 100 is provided with a second limiting member 117, the other of the dust-proof member 109 and the end plate 100 is provided with a second limiting groove 119, and the second limiting member 117 is configured to cooperate with the second limiting groove 119 along a second direction (i.e., the cd direction in fig. 4); wherein, the first direction and the second direction form an included angle. Through setting up like this, make between dust proof 109 and the shell carry on spacingly through first locating part 113 and first spacing groove 115 along the cooperation of first direction, it is spacing along the cooperation of second direction through second locating part 117 and second spacing groove 119 simultaneously again, thereby make between dust proof 109 and the end plate 100 complex stability and reliability fully ensured, and then can guarantee that dust proof 109 seals open 111's stability, in order further to reduce the dust, debris such as metal piece fall into the risk of socket 107 through open 111, and then fully guarantee battery module's security and stability.

That is, in this embodiment, not only can the opening 111 be closed through the dust-proof piece 109, but also the stability of the dust-proof piece 109 can be effectively improved through the stable cooperation between the dust-proof piece 109 and the end plate 100, so that the opening 111 can be stably closed by the dust-proof piece 109, and the end plate 100 is not easily separated due to external factors such as vibration, and therefore, the risk that impurities such as dust and metal debris fall into the socket 107 through the opening 111 can be sufficiently reduced, and the safety and reliability of the battery module can be ensured. Meanwhile, the matching mode of the dust-proof piece 109 and the end plate 100 is simple, the efficiency and the quality of the installation, the disassembly and the maintenance of the dust-proof piece and the end plate can be fully ensured, and the working efficiency can be effectively improved.

Fig. 5 is a schematic view of a partial structure of the battery module according to the present embodiment. Referring to fig. 4, in the present embodiment, the partition 105 extends along the length direction of the end plate 100, and the socket 107 is disposed at a position of the partition 105 adjacent to the end of the end plate 100. Meanwhile, a cavity 137 is formed in the end portion of the end plate 100, the cavity 137 is a cavity with openings at the upper and lower portions, one end of the dust-proof piece 109 extends into the cavity 137 and is matched with the end plate 100 through a first limiting piece 113 and a first limiting groove 115 and a second limiting piece 117 and a second limiting groove 119, and the other end of the dust-proof piece 109 is fixed relative to the end plate 100 at one end of the dust-proof piece 109 and then stably seals the opening 111, so that dust, metal debris and other impurities are prevented from falling into the socket 107 through the opening 111.

Optionally, in this embodiment, the end plate 100 is further provided with mounting holes 139 penetrating the top and bottom of the end plate 100 at a position adjacent to the cavity 137. The battery module further includes a first fastening member, which may be selected as a bolt, for fixing the battery module to the mounting surface of the battery pack through the mounting hole 139, so as to improve the stability of the entire battery module. Meanwhile, in the embodiment, the receiving surface of the mounting hole 139 is higher than the opening 111 of the socket 107, and the dust-proof member 109 can effectively prevent metal debris generated when the battery module is mounted by the bolt from entering the socket 107. Also, since the mounting hole 139 is disposed adjacent to the cavity 137, the cavity 137 is a cavity 137 having openings at both ends, so that it is convenient to discharge metal debris through the cavity 137, to further improve the safety and stability of the battery module.

It should be noted that, in this embodiment, the socket 107 is specifically attached to the partition 105 in a manner of applying a back adhesive, the partition 105 is provided with a first fastening hole 143, the end plate 100 is provided with a second fastening hole 145, the battery module further includes a second fastening member 141, the second fastening member 141 is a fastening structure such as a screw or a screw, and the second fastening member 141 can penetrate through the first fastening hole 143 and the second fastening hole 145 to fasten the partition 105 and the end plate 100, so as to sufficiently improve the stability of the partition 105, thereby sufficiently improving the stability of the socket 107, and ensuring that the dust-proof member 109 is installed on the end plate 100 to stably close the opening 111 of the socket 107, thereby preventing impurities from entering the socket 107 to affect data collection, thereby ensuring the authenticity, reliability and stability of data collection, and ensuring the safety of the battery module.

Fig. 6 is a schematic structural diagram of the dust-proof member 109 of the battery module according to the present embodiment. Referring to fig. 3 to 6, in the present embodiment, the dust-proof member 109 specifically includes a mounting portion 121 and a dust-proof portion 129. The mounting portion 121 has a mounting cavity 122, the mounting portion 121 is inserted into a wall of the cavity 137 of the end plate 100 through the mounting cavity 122, and the dust-proof portion 129 is connected to the mounting portion 121 to close the opening 111. The first limiting member 113 and the second limiting member 117 are disposed on the mounting portion 121 and located in the mounting cavity 122, and the first limiting groove 115 and the second limiting groove 119 are both opened on a wall of the cavity 137 of the end plate 100. By such an arrangement, the fitting of the mounting portion 121 and the side wall of the end plate 100 is more stable, and meanwhile, the first limiting member 113 and the first limiting groove 115 are convenient to fit along the first direction, and the second limiting member 117 and the second limiting groove 119 are convenient to fit along the second direction so as to jointly stabilize the whole dust-proof member 109, so that the risk of impurities entering the socket 107 through the opening 111 is sufficiently reduced.

In detail, referring to fig. 6 again, in the present embodiment, the mounting portion 121 specifically includes a bottom plate 123, a first side plate 125 and a second side plate 127. The bottom plate 123, the first side plate 125 and the second side plate 127 are all flat plate structures, the first side plate 125 and the second side plate 127 are oppositely arranged on two sides of the bottom plate 123 at intervals along the second direction, and are connected with the bottom plate 123 at one end, and extend towards the direction far away from the bottom plate 123 along the first direction at the other end, so as to form the mounting cavity 122 which is approximately in a "C" shape structure together with the bottom plate 123. Meanwhile, one end of the dust-proof portion 129 is connected to the first side plate 125, and the other end extends in a direction away from the first side plate 125. When the mounting cavity 122 is inserted into the wall body of the cavity 137 of the end plate 100, the second side plate 127 extends into the cavity 137, the bottom wall abuts against the end portion of the wall body of the end plate 100, and the first side plate 125 is located outside the cavity 137 to be connected with the dust-proof portion 129, so that the dust-proof portion 129 can seal the opening 111 of the socket 107. The dust-proof portion 129 is a plate-shaped structure, and is perpendicular to the first side plate 125 to well seal the opening 111 of the socket 107, so as to avoid gaps, and to fully prevent impurities from entering the socket 107.

In more detail, in the present embodiment, the first limiting member 113 is a limiting block, and is substantially a rectangular parallelepiped, and the limiting block is disposed on the bottom plate 123 and connected between the first side plate 125 and the second side plate 127. The first limiting groove 115 is opened at an end of a wall body of the end plate 100, and a depth of the first limiting groove matches with a size of the limiting block so as to be inserted into the limiting block along a first direction when the mounting cavity 122 is inserted into the wall body of the housing. The first limiting member 113 and the first limiting groove 115 are inserted in the first direction, so that the position of the dust-proof member 109 relative to the end plate 100 in the third direction (i.e., ef direction in fig. 4) is fixed. The second limiting member 117 is a buckle disposed on the second side plate 127 and protruding toward the first side plate 125. The second limiting groove 119 is opened on the wall of the end plate 100 to be fastened to the buckle when the mounting cavity 122 is inserted into the wall of the end plate 100. Through the second locating part 117 and the second spacing groove 119 along the second direction grafting for the position of dust piece 109 and end plate 100 along first direction and third direction is all fixed, thereby can fully guarantee the stability of dust piece 109, so that dust piece 109 can seal uncovered 111 steadily, avoids debris to get into socket 107 through uncovered 111.

As an optional scheme, in the present embodiment, the number of the second limiting members 117 is multiple, for example, the number of the second limiting members 117 shown in fig. 6 is two, and the two second limiting members 117 are disposed on the second side plate 127 at intervals along the third direction. Correspondingly, two second limiting grooves 119 are correspondingly formed in one wall body of the cavity 137 of the end plate 100, the two second limiting pieces 117 are correspondingly buckled with the two second limiting grooves 119 one by one, and the third direction, the first direction and the second direction are arranged in pairs at included angles. Through the setting of two buckles and two second spacing grooves 119, can further guarantee the stability behind dustproof 109 and the end plate 100 cooperation to further avoid debris to get into socket 107 through uncovered 111. Of course, in other embodiments, the numbers of the second limiting members 117 and the second limiting grooves 119 may be adjusted and improved according to requirements, and the embodiment is not limited.

Referring to fig. 6 again, in the present embodiment, a limiting bar assembly 131 is further disposed in the mounting cavity 122, the limiting bar assembly 131 includes a first limiting bar 133 and a second limiting bar 135, the first limiting bar 133 and the second limiting bar 135 both extend along the first direction, the first limiting bar 133 is disposed on the first side plate 125, and the second limiting bar 135 is disposed on the second side plate 127. When the mounting cavity 122 is inserted into the wall of the housing, the first limiting strip 133 and the second limiting strip 135 are respectively located at two sides of the wall of the housing and respectively abut against two sides of the wall of the housing. The stability of dust-proof 109 after being installed in end plate 100 can be further improved through the setting of spacing strip subassembly 131 to reduce the probability that dust-proof 109 separates with end plate 100 under external factors such as vibration, and then fully guarantee that debris can't get into socket 107 through uncovered 111 of socket 107, then can fully guarantee battery module's security and reliability.

It should be noted that, in the present embodiment, a plurality of limiting bar assemblies 131, for example, two, three, etc., are arranged at intervals along the third direction in the installation cavity 122. Through the arrangement of the plurality of limiting bar assemblies 131, the stability of the dust-proof piece 109 after being matched with the end plate 100 can be further improved, so that sundries are further prevented from entering the socket 107 through the opening 111.

The following describes the installation process, operation principle and beneficial effects of the battery module according to the embodiment of the present invention in detail:

when the battery module is installed, the bottom plate 123, the side plates and the end plate 100 can be spliced and molded firstly, then the battery cell is placed in the battery module, and the top plate is covered; then, the second side plate 127 of the dust-proof part 109 is extended into the cavity 137 of the end plate 100, and the first limiting member 113 is inserted into the first limiting groove 115, the bottom plate 123 abuts against the end of the wall body of the end plate 100, the second limiting member 117 is fastened to the second limiting groove 119, and the first limiting bar 133 and the second limiting bar 135 abut against two sides of the wall body of the end plate 100, respectively, so that the dust-proof part 129 closes the opening 111 of the socket 107. After the battery module is installed, normal discharging operation can be performed, and in the process, normal collecting operation can be performed through parameter collecting operation.

In the above process, on one hand, the battery module can effectively reduce the risk that dust, metal debris and other impurities fall into the socket 107 through the opening 111 through the arrangement of the dustproof piece 109, and can effectively ensure the efficiency and quality of parameter acquisition, so that the safety and reliability of the battery core during operation can be ensured, and the safety and stability of the battery module can be further ensured; on the other hand, it is spacing to coordinate along the first direction through first locating part 113 and first spacing groove 115 between dustproof 109 and the shell, it is spacing to coordinate along the second direction through second locating part 117 and second spacing groove 119 again simultaneously, make between dustproof 109 and the shell complex stability and reliability obtain fully ensured, thereby can guarantee that dustproof 109 seals open 111's stability, in order to further reduce the dust, debris such as metal piece fall into socket 107's risk through open 111, and then fully guarantee battery module's security and stability.

In summary, the embodiment of the present invention provides a battery module in which impurities are not easy to enter the socket 107 of the parameter collecting assembly 101, which can effectively ensure the efficiency and quality of parameter collection, thereby ensuring the safety and reliability of the battery cell during operation, and further ensuring the safety and stability of the battery module.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A battery module, comprising:

the battery comprises a shell, wherein a battery cell is arranged in the shell;

the parameter acquisition assembly comprises a circuit board, a partition board and a socket, the circuit board is arranged in the shell and used for acquiring parameter information of the battery cell, the socket is electrically connected with the circuit board through the partition board, and the socket is provided with an opening;

the dustproof piece is arranged on the shell and used for closing the opening; one of the dustproof piece and the shell is provided with a first limiting piece, the other of the dustproof piece and the shell is provided with a first limiting groove, and the first limiting piece is used for being matched with the first limiting groove along a first direction; one of the dustproof piece and the shell is provided with a second limiting piece, the other of the dustproof piece and the shell is provided with a second limiting groove, and the second limiting piece is used for being matched with the second limiting groove along a second direction; wherein, the first direction and the second direction are arranged at an included angle.

2. The battery module according to claim 1, wherein:

the dustproof piece comprises an installation part and a dustproof part, the installation part is provided with an installation cavity, the installation part is inserted into the wall body of the shell through the installation cavity, and the dustproof part is connected with the installation part and used for sealing the opening;

the first limiting part and the second limiting part are arranged on the mounting part and located in the mounting cavity, and the first limiting groove and the second limiting groove are arranged on the wall body of the shell.

3. The battery module according to claim 2, wherein:

the mounting part comprises a bottom plate, a first side plate and a second side plate, the first side plate and the second side plate are oppositely arranged on two sides of the bottom plate at intervals along the second direction, one end of the first side plate is connected with the bottom plate, and the other end of the first side plate extends along the first direction towards the direction far away from the bottom plate so as to form a mounting cavity together with the bottom plate; one end of the dustproof part is connected with the first side plate, and the other end of the dustproof part extends in the direction far away from the first side plate;

the first limiting piece is a limiting block which is arranged on the bottom plate and is connected between the first side plate and the second side plate; the first limiting groove is formed in the end part of the wall body of the shell and is inserted into the limiting block when the mounting cavity is inserted into the wall body of the shell;

the second limiting part is a buckle which is arranged on the second side plate and is convexly arranged towards the first side plate; the second limiting groove is formed in the wall body of the shell, so that the mounting cavity is buckled with the buckle when the wall body of the shell is connected in an inserting mode.

4. The battery module according to claim 3, wherein:

the number of the second limiting pieces is multiple, and the second limiting pieces are arranged on the second side plate at intervals along a third direction; a plurality of second limiting grooves are correspondingly formed in the wall body of the shell, and the plurality of second limiting pieces are buckled with the plurality of second limiting grooves in a one-to-one corresponding mode;

the third direction, the first direction and the second direction are arranged in pairs at included angles.

5. The battery module according to claim 3, wherein:

a limiting strip assembly is further arranged in the mounting cavity and comprises a first limiting strip and a second limiting strip, the first limiting strip and the second limiting strip are arranged in an extending mode along the first direction, the first limiting strip is arranged on the first side plate, and the second limiting strip is arranged on the second side plate; when the installation cavity with when the wall body of shell is pegged graft, first spacing with the spacing of second is located respectively the both sides of the wall body of shell, and respectively with the both sides butt of the wall body of shell.

6. The battery module according to claim 5, wherein:

the mounting cavity is internally provided with a plurality of limiting strip assemblies at intervals along a third direction, and the third direction, the first direction and the second direction are arranged at included angles in pairs.

7. The battery module according to any one of claims 1 to 6, wherein:

the shell comprises two end plates and two side plates, the two end plates are arranged oppositely and at intervals, the two side plates are arranged oppositely and at intervals between the two end plates, and the two side plates and the two end plates jointly enclose an accommodating cavity for accommodating the battery cell;

the baffle sets up in two in any of the end plate, the socket set up in the baffle is close to the position of the tip of end plate, the dust keeper set up in the end plate, in order to seal uncovered.

8. The battery module according to claim 7, wherein:

the end part of the end plate is provided with a cavity, one end of the dustproof piece extends into the cavity and is matched with the end plate, and the other end of the dustproof piece is sealed with the opening.

9. The battery module according to claim 8, wherein:

the battery module further comprises a first fastener, and the first fastener is used for penetrating through the mounting hole to fixedly arrange the battery module on the mounting surface of the battery pack.

10. The battery module according to claim 7, wherein:

the socket is attached to the separator, the separator is provided with a first fastening hole, the end plate is provided with a second fastening hole, the battery module further comprises a second fastening piece, and the second fastening piece is used for penetrating through the first fastening hole and the second fastening hole and then is fastened and connected with the separator and the end plate.

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