CN214588982U - Battery module sampling module, battery module and battery pack - Google Patents

Abstract

The utility model provides a battery module sampling module and battery package, this battery module sampling module link firmly on the sampling board including the MCU control panel on locating the end plate of battery module to the connecting plate of gathering electric core information, and link firmly the connecting plate on the sampling board, wherein, the connecting plate has the electric connection portion that links to each other with MCU control panel cartridge, with the information transmission to the MCU control panel with gathering. Battery module sampling module, through linking firmly the connecting plate on the sampling board to and the electric connection portion that links to each other with MCU control panel cartridge on the connecting plate, can be with the information transmission to the MCU control panel that the sampling board gathered, compare the mode that adopts the connector among the prior art, not only do benefit to the space that reduces sampling module and occupy the volume, but also do benefit to the manufacturing cost who reduces sampling module, and have better result of use.

Description

Battery module sampling module, battery module and battery pack

Technical Field

The utility model relates to a power battery technical field, in particular to battery module sampling module. And simultaneously, the utility model discloses still relate to a battery module with this battery module sampling module. In addition, the utility model discloses still relate to a battery package of installing this battery module.

Background

The sampling module of the battery module generally includes a sampling board, a connector, and an MCU Control board (abbreviated as Motor Control Unit). The connector is connected with the MCU Control board in a plug-in mode so as to transmit information collected by the sampling board to the MCU Control board, and the MCU Control board transmits the information to a BCU (Battery Control Unit) Control board (short for short).

At present, the battery module is generally designed to be provided with an MCU control panel, so that the weight and the occupied space of a battery pack wire harness can be reduced. The arrangement of the connector not only results in a large space occupation of the whole sampling module, but also results in a high cost of the whole sampling module.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a battery module sampling module to reduce the space volume of taking up, and have better result of use.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a battery module sampling module, comprising:

the MCU control panel is arranged on an end plate of the battery module;

the sampling plate is arranged on a battery core of the battery module and is configured to collect information of the battery core;

and the connecting plate is fixedly connected to the sampling plate and is provided with an electric connecting part connected with the MCU control plate in an inserted mode so as to transmit the acquired information to the MCU control plate.

Furthermore, a plurality of conductive plugs are constructed on the MCU control board, and the electric connection part comprises a plurality of conductive holes arranged on the connection board for the conductive plugs to be inserted into.

Furthermore, the conductive plug comprises two insertion bodies which are arranged at intervals, wherein the two insertion bodies are provided with connecting sections which are bent towards the directions far away from each other, and the connecting sections are close to and abut against the inner wall of the conductive hole along with the insertion bodies in the conductive hole.

Furthermore, a concave part which is concavely arranged towards the battery cell direction is formed on the MCU control board, and each conductive plug is arranged on the bottom surface of the concave part.

Furthermore, a sealant is filled between the conductive plug and the conductive hole in the plug-in state.

Furthermore, the MCU control board is inserted on the end plate.

Furthermore, the sampling board adopts FPC board, the connecting plate adopts the PCB board.

Further, the MCU control board is provided with an output end for outputting the information, and the output end is connected with the BCU control board of the battery module through a lead.

Compared with the prior art, the utility model discloses following advantage has:

battery module sampling module, through linking firmly the connecting plate on the sampling board to and the electric connection portion that links to each other with MCU control panel cartridge on the connecting plate, can be with the information transmission to the MCU control panel that the sampling board gathered, compare the mode that adopts the connector among the prior art, not only do benefit to the space that reduces sampling module and occupy the volume, but also do benefit to the manufacturing cost who reduces sampling module, and have better result of use.

In addition, the arrangement of the conductive plug and the conductive hole is favorable for realizing the plug-in connection between the connecting plate and the MCU control board. And through set up the linkage segment on the cartridge body, not only do benefit to the electrically conductive plug in the electrically conductive hole's insertion, but also do benefit to the connection effect who improves between electrically conductive plug and the electrically conductive hole. And the conductive plug is arranged on the bottom surface of the concave part, so that the space occupation of the sampling module is further reduced.

In addition, through filling sealed glue between electrically conductive plug and electrically conductive hole, do benefit to the sealed effect of connecting plate and MCU control panel junction to improve the reliability and the waterproof nature of connecting between the two. And the products of FPC board and PCB board are ripe, are convenient for arrange on battery module, and excellent in use effect. The setting of output does benefit to information transmission to BCU control panel on the MCU control panel, has better result of use.

And simultaneously, another aim at of the utility model is to provide a battery module, including electric core, battery module still includes as above battery module sampling module.

In addition, another object of the present invention is to provide a battery pack, wherein the battery module is installed in the battery pack.

The utility model discloses a battery module and battery package and as above battery module sampling module have the same beneficial effect for prior art, no longer describe herein.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural view illustrating a battery module sampling module according to an embodiment of the present invention installed in a battery module;

fig. 2 is a schematic structural diagram of a sampling plate and a connecting plate according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an MCU control board according to an embodiment of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

description of reference numerals:

1. an MCU control panel; 2. an end plate; 3. a bus bar; 4. an FPC board; 5. a PCB board;

101. a groove; 102. a conductive plug; 103. a plug-in body; 104. a connecting section; 105. an insertion end; 106. mounting grooves;

201. binding a belt;

301. connecting sheets; 302. a support plate;

401. a sampling section; 402. a connecting portion;

501. and a conductive hole.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that, if terms indicating orientation or positional relationship such as "upper", "lower", "inner", "outer", etc. appear, they are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to 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 appearances of the terms first, second, etc. in this specification are not necessarily all referring to the same item, but are instead intended to cover the same item.

In addition, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless otherwise specifically limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

This embodiment relates to a battery module sampling module, and this battery module sampling module is including locating the MCU control panel on the end plate of battery module, locates on the electric core of battery module to be configured as the sampling board in order to gather electric core information, and link firmly the connecting plate on the sampling board. Wherein, the connecting plate has the electric connection portion that links to each other with MCU control panel cartridge to the information transmission to the MCU control panel of will gathering.

Based on the above general description, the structure of the battery module sampling module mounted on the battery module in the embodiment is shown in fig. 1, where the battery module has two rows of the plurality of battery cells arranged at intervals along the length direction of the battery module, the bus bar 3 and the support plate 302. The sampling module in this embodiment is disposed corresponding to each row of the electric cores to acquire information of each electric core in the row.

The busbar 3 can sample a mature structure in the prior art, and can be welded on the pole of the battery cell to form connection between two adjacent battery cell poles. And foretell backup pad 302 extends the setting along battery module's length direction to arrange on the top cap of electric core, in order to be used for supporting the sampling board.

An exemplary structure of the sampling plate and the connection plate in this embodiment is shown in fig. 2, and the sampling plate has two sampling portions 401 respectively disposed at both sides in the width direction of the support plate 302, and the two sampling portions 401 are connected at one end such that the two are connected in a U-shape. Each sampling portion 401 and the corresponding bus bar 3 are electrically connected to each other via a connecting piece 301. The connecting sheet 301 is preferably a nickel sheet, which is mature and convenient for arrangement and implementation.

With continued reference to fig. 2, the sampling plate of this embodiment also has a connecting portion 402 connected at the intersection of the two sampling portions 401 and extending toward the end plate 2. In specific implementation, the sampling board in this embodiment may adopt an FPC board 4, and the connection board adopts a PCB board 5.

Wherein, the PCB board 5 under the connection state is arranged along the vertical direction so as to be connected with the MCU control board 1. In order to improve the connection effect between the FPC board 4 and the PCB board 5, a downward flange is further provided at the free end of the connection portion 402, and the connection portion 402 is fixedly connected to the PCB board 5 specifically by the connection between the downward flange and the PCB board 5.

As shown in fig. 1, the MCU board 1 in this embodiment is inserted into the end plate 2, and specifically, a slot is provided on the outer side surface of the end plate 2 corresponding to the connection portion 402, and the MCU board 1 is inserted into the slot and arranged in parallel with the end plate 2. And the top of the MCU control board 1 in the installation state is exposed out of the end plate 2.

In addition, still twine ribbon 201 in battery module's circumference, ribbon 201 can prevent that MCU control panel 1 under the cartridge state from deviating from by the lateral surface of end plate 2. It is understood that the slot in the present embodiment may be disposed on the upper end surface of the end plate 2 and extend downward, in addition to the outer side surface of the end plate 2. At this time, the band 201 does not directly affect the installation effect of the MCU control board 1.

As shown in fig. 3 and 4, the MCU board 1 has a plurality of conductive plugs 102 formed on the outer side of the top thereof, and the electrical connection portion includes a plurality of conductive holes 501 formed on the PCB 5 for inserting the conductive plugs 102. Here, the arrangement of the conductive plug 102 and the conductive hole 501 is beneficial to the realization of the plug-in connection between the PCB board 5 and the MCU board 1.

In order to further reduce the space occupation of the sampling module, in this embodiment, a concave portion recessed toward the battery cell is configured on the outer side surface of the top of the MCU control board 1, and each conductive plug 102 is disposed on the bottom surface of the concave portion. As shown in fig. 3, the recess is embodied as a groove 101, and the PCB board 5 and the MCU board 1 are placed in the groove 101 in a connected state. Here, the groove 101 has a simple structure, and is convenient to machine and form on the MCU board 1.

In detail, as shown in fig. 4, the conductive plug 102 in this embodiment includes two insertion bodies 103 arranged at intervals, the two insertion bodies 103 have connecting sections 104 bent away from each other, and the two connecting sections 104 are close to each other and elastically abut against the inner wall of the conductive hole 501 when the insertion bodies 103 are inserted into the conductive hole 501. At the same time, the free end of the insertion body 103, i.e. the insertion end 105, is closed by the curved arrangement of the connecting section 104, so as to facilitate the insertion of the entire conductive plug 102 into the conductive hole 501.

In specific implementation, the MCU board 1 is press-fitted on the outer side of the PCB board 5, and the insertion end 105 of the conductive plug 102 is inserted into the conductive hole 501. With the insertion of the conductive plug 102, the two connection sections 104 can be pushed by the edge of the conductive hole 501 to be close to each other and abut against the inner wall of the conductive hole 501, so as to be in interference fit with the conductive hole 501, so that the conductive plug 102 is not easy to fall out of the conductive hole 501, has better connection reliability, and is beneficial to transmitting the information collected by the FPC board 4 to the MCU control board 1.

Preferably, a sealant is filled between the conductive plug 102 and the conductive hole 501 in the inserted state, so as to further improve the reliability of the connection between the two and the sealing effect. When condensation is generated in the battery pack, the sealant can improve the waterproof effect between the conductive plug 102 and the conductive hole 501, and effectively prevent the connection failure problem between the FPC board 4 and the MCU control board 1.

In addition, in order to improve the filling effect of the sealant, in the present embodiment, as shown in fig. 4, the outer peripheral surface of the connecting segment 104 corresponding to the conductive hole 501 is planar. Thus, a larger gap is formed between the inner wall of the conductive hole 501 and the outer peripheral surface of the connecting section 104, which is beneficial to filling more sealant.

Of course, whether the outer peripheral surface of the connecting segment 104 is flat or not is not an essential technical feature of the connecting segment 104, and the outer peripheral surface of the connecting segment 104 may be provided with other shapes such as an arc shape according to specific use requirements. In addition, the number of the conductive plugs 102 is equal to the number of sampling paths in the present embodiment.

The MCU control board 1 in this embodiment has an output end for outputting information, and the output end is connected to the BCU control board of the battery module via a wire. As shown in fig. 3, a mounting groove 106 is provided on the outer side surface of the top of the MCU control board 1. The output end in this embodiment includes an output interface, not shown, disposed in the mounting groove 106.

Here, set up MCU control panel 1 on end plate 2 to and set up the scheme of output on MCU control panel 1, can do benefit to the weight that reduces the low-voltage pencil in the battery package, and reduce the space and occupy the volume. The output interface can sample a mature structure in the prior art, and the output interface realizes the output of information through the connection between the wires. During concrete implementation, the output end on the MCU control panel 1 and the BCU control panel only need the communication interface of 2 to 4 wires to realize the transmission of information data, so that the weight and the occupation space of the low-voltage wire harness in the battery pack are smaller, the capacity density of the battery pack is improved, and the difficulty of arrangement is reduced.

When the battery module sampling module in the embodiment is implemented, the connector is replaced by the PCB (printed circuit board) 5, so that the space occupation of the sampling module in the height direction of the battery module can be reduced by more than 5mm, and the production cost can be reduced by about 2 yuan. In addition, the connector scheme in the prior art is generally failed after being plugged and unplugged for 50 times, but the plugging and unplugging requirement between the FPC board 4 and the MCU control board 1 is generally not required for 50 times, that is, the plugging and unplugging times of the connector are excessive.

The conductive plug 102 in the embodiment can meet the plugging and unplugging requirement of 3 times, and when the plugging and unplugging times are more than 3 times, in order to ensure the connection reliability, the conductive plug 102 can be tin-plated to meet the continuous normal use requirement, so that the production cost is favorably reduced.

This embodiment battery module sampling module through linking firmly the connecting plate on the sampling board to and the electric connection portion that links to each other with 1 cartridge of MCU control panel on the connecting plate, can not only do benefit to the space occupation volume that reduces sampling module with the information transmission of sampling board collection to MCU control panel 1, compare in the mode that adopts the connector among the prior art, but also do benefit to the manufacturing cost who reduces sampling module, and have better result of use.

In addition, this embodiment still relates to a battery module, and it includes electric core, and the battery module still includes as above battery module sampling module.

Besides, the embodiment also relates to a battery pack, wherein the battery module is arranged in the battery pack.

The battery module and the battery pack described in this embodiment have the same beneficial effects as the battery module sampling module described above with respect to the prior art, and are not described herein again.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. 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 sampling module, comprising:

the MCU control board (1) is arranged on an end plate (2) of the battery module;

the sampling plate is arranged on a battery core of the battery module and is configured to collect information of the battery core;

the connecting plate is fixedly connected to the sampling plate and provided with an electric connection part connected with the MCU control plate (1) in a plug-in mode, so that the collected information is transmitted to the MCU control plate (1).

2. The battery module sampling module of claim 1, wherein: the MCU control board (1) is provided with a plurality of conductive plugs (102), and the electric connection part comprises a plurality of conductive holes (501) which are formed in the connecting board and used for the conductive plugs (102) to be inserted.

3. The battery module sampling module of claim 2, wherein: the conductive plug (102) comprises two plug-in mounting bodies (103) which are arranged at intervals, the two plug-in mounting bodies (103) are provided with connecting sections (104) which are arranged in a bending mode towards the direction far away from each other, and along with the plug-in mounting of the plug-in mounting bodies (103) in the conductive holes (501), the two connecting sections (104) are close to each other and abut against the inner walls of the conductive holes (501).

4. The battery module sampling module of claim 2, wherein: a concave part which is concavely arranged towards the battery cell direction is constructed on the MCU control board (1), and each conductive plug (102) is arranged on the bottom surface of the concave part.

5. The battery module sampling module of claim 2, wherein: and sealing glue is filled between the conductive plug (102) and the conductive hole (501) in the inserted state.

6. The battery module sampling module of claim 1, wherein: the MCU control panel (1) is inserted and arranged on the end plate (2).

7. The battery module sampling module of claim 1, wherein: the sampling board adopts FPC board (4), the connecting plate adopts PCB board (5).

8. The battery module sampling module according to any one of claims 1 to 7, wherein: the MCU control board (1) is provided with an output end for outputting the information, and the output end is connected with the BCU control board of the battery module through a lead.

9. The utility model provides a battery module, includes electric core, its characterized in that: the battery module further comprises a battery module sampling module according to any one of claims 1 to 8.

10. A battery pack, comprising: the battery pack houses the battery module according to claim 9.

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