Battery control module and battery pack

Abstract

The utility model provides a battery control module and a battery pack. The battery control module comprises a shell, an electrical assembly and a plugging piece, the shell comprises an upper cover and a bottom shell, the upper cover is fixedly connected with the bottom shell, and a cavity is formed between the upper cover and the bottom shell; the electrical assembly is arranged in the cavity and mounted on the bottom shell, and the mounting part is arranged on one side, deviating from the upper cover, of the bottom shell and can be used for mounting other electrical assemblies or realizing connection between the battery control module and other modules, so that the use functions of the battery control module are enriched, and optimization and improvement of the battery pack structure are facilitated; the upper cover is provided with the wire passing hole for the wire harness of the electrical assembly to pass through, and the plugging piece can be inserted into the wire passing hole in the upper cover to plug the wire passing hole under the condition that the battery control module is not carried, boxed, stored and the like, so that the electrical assembly in the cavity is protected to a certain extent, and the service life of the battery control module is prolonged. The good working performance of the electrical assembly can be maintained, and the failure rate of the battery control module is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery pack technical field, especially a kind of battery control module and battery pack. BACKGROUND

[0002] Battery pack has battery pack and battery control module, battery control module is usually equipped with multiple electrical components, multiple electrical components synergistically, to monitor and control the voltage, current, temperature etc. of battery pack, maintain the normal work of battery pack. However, the battery control module in the prior art lacks protection for battery components, and the electrical components are easily eroded by the external environment during the handling, boxing and storage of the battery control module, affecting the working performance of the electrical components. In addition, the battery control module in the prior art has a single function, which is not conducive to the optimization and improvement of the battery pack. SUMMARY

[0003] Therefore, the utility model aims at providing a battery control module and battery pack to at least solve the problems of lack of protection for battery components and single function of the battery control module in the prior art.

[0004] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0005] The utility model embodiment provides a kind of battery control module, including shell, electrical component and obturator;

[0006] The shell includes upper cover and bottom shell, the upper cover is fixedly connected with the bottom shell, and the cavity is formed between the upper cover and the bottom shell;

[0007] The electrical component is arranged in the cavity and mounted on the bottom shell, and the bottom shell is provided with a mounting portion on the side away from the upper cover;

[0008] The upper cover is provided with a wire hole for the wire harness of the electrical component to pass through, and the obturator is adapted to be inserted and matched with the wire hole to block or release the wire hole.

[0009] Further, the obturator includes a seat portion and a head portion connected to each other;At least part of the seat portion passes through the wire hole and is placed in the upper cover, and the head portion is exposed outside the upper cover.

[0010] Further, one side of the seat portion placed in the upper cover is provided with a first limiting portion, the first limiting portion protrudes from the surface of the seat portion, and abuts against the inner wall of the upper cover.

[0011] Further, the first limiting portion is a limiting strip;And / or, the first limiting portion is at least two, and the at least two first limiting portions are arranged at intervals along the circumference of the seat portion.

[0012] Furthermore, a second limiting portion is provided on a side of the seat portion outside the upper cover. The second limiting portion protrudes from the surface of the seat portion and abuts against the outer wall of the upper cover.

[0013] Furthermore, the second limiting portion is arranged around the circumference of the seat portion to form an annular limiting plate, and the limiting plate seals the gap between the seat portion and the upper cover.

[0014] Furthermore, the head is provided with an anti-slip structure, and the anti-slip structure includes a plurality of protrusions and / or grooves arranged at intervals.

[0015] Furthermore, a buckle is provided on the side of the upper cover close to the bottom shell, and the bottom shell includes a bottom plate and a side plate arranged around the bottom plate. The side plate is provided with a protrusion, and the protrusion is clamped in the buckle to buckle and fix the upper cover and the bottom shell.

[0016] Furthermore, the end portion of the upper cover close to the bottom shell extends in a direction away from the cavity to form a flange, and the flange abuts against the bottom plate.

[0017] Furthermore, a heat dissipation hole is provided on a side of the upper cover facing away from the bottom shell.

[0018] Furthermore, a groove is provided on a side of the upper cover away from the bottom shell, and the groove includes a groove bottom and a groove wall surrounding the groove bottom, and at least a portion of the groove wall is hollowed out to form the heat dissipation hole.

[0019] An embodiment of the present invention further provides a battery pack, comprising the battery control module described in any one of the above items.

[0020] Compared with the prior art, the battery control module and battery pack described in the present invention have the following advantages:

[0021] In the battery control module described in the present invention, the upper cover is provided with a wire hole for allowing the wiring harness of the electrical components to pass through. When the battery control module is not in use, such as during transportation, packaging, or storage, a blocking piece can be inserted into the wire hole on the upper cover to block the wire hole. This can prevent moisture, dust, and other impurities from entering the cavity through the wire hole, provide some protection for the electrical components in the cavity, help maintain good working performance of the electrical components, and reduce the failure rate of the battery control module. At the same time, a mounting portion is provided on the side of the bottom shell facing away from the upper cover. The mounting portion can be used to install other electrical components or to connect the battery control module to other modules, thereby enriching the functional use of the battery control module, improving the integration of the battery control module, and improving its space utilization within the battery pack, which is more conducive to optimizing and improving the battery pack structure.

[0022] The battery pack has the same advantages as the battery control module described above relative to the prior art, and will not be described here. BRIEF DESCRIPTION OF DRAWINGS

[0023] The accompanying drawings, which form a part of this description, are included to provide a further understanding of the present application, and are incorporated into and constitute a part of this application. The embodiments of the present application, and their

[0024] Figure 1 An exploded view of a battery control module according to an embodiment of the present application;

[0025] Figure 2 A schematic view of the underside of a bottom shell according to an embodiment of the present application;

[0026] Figure 3 A partial schematic view of the inside of an upper cover according to an embodiment of the present application;

[0027] Figure 4 A partial schematic view of the outside of an upper cover according to an embodiment of the present application;

[0028] Figure 5 A partial schematic view of the top of an upper cover according to an embodiment of the present application.

[0029] BRIEF DESCRIPTION OF DRAWINGS

[0030] 01 - shell, 02 - electrical components, 03 - plugging piece, 10 - cavity, 1 - upper cover, 11 - buckle, 12 - flange, 13 - heat dissipation hole, 14 - groove, 2 - bottom shell, 20 - mounting portion, 21 - bottom plate, 22 - side plate, 23 - protrusion, 24 - vertical plate 24, 31 - seat portion, 32 - head portion, 33 - first limiting portion, 34 - second limiting portion, 35 - anti-skid structure. DETAILED DESCRIPTION

[0031] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0032] The terms "first," "second," and the like in the specification and claims of the present invention are used to distinguish similar objects, and are not used to describe a specific order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, so that the embodiments of the present invention can be implemented in an order other than that illustrated or described herein, and that the objects distinguished by "first," "second," and the like are generally of the same type, and do not limit the number of objects. For example, the first object can be one or more. In addition, the term "and / or" in the specification and claims indicates at least one of the connected objects, and the character " / " generally indicates that the objects connected are in an "or" relationship.

[0033] It should be understood that references throughout this specification to "one embodiment" mean that a particular feature, structure, or characteristic associated with that embodiment is included in at least one embodiment of the present invention. Therefore, the appearance of "in one embodiment" throughout this specification does not necessarily refer to the same embodiment. Furthermore, these particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

[0034] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0035] Figure 1 The structure explosion diagram of a battery control module in an embodiment of the present utility model is shown. Figure 2 A schematic diagram showing a side of the bottom shell 2 facing away from the upper cover 1 in an embodiment of the present invention is shown. Figure 1 and Figure 2 The utility model provides a battery control module, including a shell 01, an electrical component 02 and a sealing member 03; the shell 01 includes an upper cover 1 and a bottom shell 2, the upper cover 1 is fixedly connected to the bottom shell 2, and a cavity 10 is formed between the upper cover 1 and the bottom shell 2; the electrical component 02 is arranged in the cavity 10 and installed on the bottom shell 2, and a mounting portion 20 is provided on the side of the bottom shell 2 facing away from the upper cover 1; the upper cover 1 is provided with a wire hole for allowing the wiring harness of the electrical component 02 to pass through, and the sealing member 03 is suitable for plugging and cooperating with the wire hole to block or release the wire hole.

[0036] Specifically, the battery control module in the embodiment of the present invention can be a BMS (Battery Management System) module, a PCM (Protection Circuit Module), a BDU (Battery Drive Unit) module, a PPTC (Polymer Positive Temperature Coefficient), etc. in the battery pack. The embodiment of the present application is exemplified by the BDU module. As a type of high-voltage distribution box, the BDU module is mainly responsible for the distribution, protection and management of electrical energy of the battery pack in the battery pack. The battery control module includes a shell 01, and the shell 01 includes an upper cover 1 and a bottom shell 2. The upper cover 1 is fixedly connected to the bottom shell 2, and the fixed connection method includes but is not limited to fastener assembly connection, clip connection, etc. The upper cover 1 and the bottom shell 2 can be made of plastic, composite materials, etc. to meet their functional requirements such as insulation, heat and high temperature resistance, stability, and dustproofness. In some embodiments, reinforcing agents such as glass fiber and flame retardants may be added to the materials used to prepare the upper cover 1 and the bottom shell 2 for modification to further improve the heat resistance, flame retardancy and mechanical strength of the upper cover 1 and the bottom shell 2 .

[0037] The battery control module also includes an electrical component 02. After the upper cover 1 and the bottom shell 2 are fixedly connected, a cavity 10 is formed between the upper cover 1 and the bottom shell 2. The battery component is arranged in the cavity 10 and mounted on the bottom shell 2. Figure 1 As shown, the bottom case 2 is provided with a plurality of connection holes, into which the electrical component 02 can be inserted by fasteners such as bolts, screws, and rivets to secure the electrical component 02 to the bottom case 2. It should be noted that the electrical component 8 needs to be insulated from the bottom case 1. For example, fasteners made of insulating material, or an insulating layer coated on the surface of the fastener, or the fastener is embedded in an insulating structure to achieve an insulated connection between the electrical component 8 and the bottom case 1 to prevent short circuits.

[0038] In the BDU module, the realization of its functions mainly depends on electrical component 02, which includes a main relay, a pre-charge relay, a current sensor, a fuse, etc. The main relay, as one of the core components of the BDU module, is used to open or cut off the DC current of the battery pack's main circuit. The pre-charge relay is used to protect the high-voltage circuit from the instantaneous high current impact when the system is powered on, ensuring smooth power-on of the circuit. The current sensor is used to measure and calculate the battery pack capacity and provide accurate battery status information to the battery management system. The fuse is used to cut off the circuit by melting when overcurrent occurs, preventing circuit damage and safety accidents such as fire. In addition, electrical component 02 may also include high and low voltage connectors, resistors, sealing rings and other components, which will not be repeated in this embodiment.

[0039] Electrical assembly 02 is connected to a wiring harness, and upper cover 1 is provided with a wire hole for the wiring harness to pass through. The wiring harness passes through the wire hole and is electrically connected to other modules to perform corresponding functions. It is understood that when the battery control module is operating, the wiring harness is passed through the wire hole to achieve electrical connection between electrical assembly 02 and other modules. When the battery control module has not yet been installed in the battery pack case for use, the wiring harness is housed in the cavity 10 formed by the upper cover 1 and the bottom shell 2, and electrical assembly 02 is not electrically connected to other devices. In an embodiment of the present utility model, the battery control module also includes a sealing part 03. When the battery control module is not in operation or in use due to transportation, packaging, storage, etc., the sealing part 03 is inserted into the wire hole to seal the wire hole. In this way, a closed cavity 10 is formed between the upper cover 1 and the bottom shell 2, thereby improving the situation where impurities such as water vapor and dust in the external environment enter the cavity 10 through the wire hole, and plays a certain protective role for the electrical components 02 in the cavity 10, thereby helping the electrical components 02 to maintain good working performance and reduce the failure rate of the battery control module.

[0040] In addition, the plugging member 03 of the embodiment of the present invention can be made of any one or more materials such as silicone, rubber, plastic, PVC soft glue, leather, resin, etc., as long as the plugging member 03 has good sealing ability and corrosion resistance. The specific material can be selected according to actual needs. Figure 2 As shown, a mounting portion 20 is provided on the side of the bottom shell 2 facing away from the upper cover 1. The mounting portion 20 can be used to install other electrical components, or to connect the battery control module with other modules through the mounting portion, thereby helping to enrich the use functions of the battery control module, improve the integration of the battery control module, improve its space utilization in the battery pack, and be more conducive to the optimization and improvement of the battery pack structure.

[0041] Among them, the mounting portion 20 can be a groove body, suitable for installing an electrical component with a protrusion, the mounting portion 20 can also be a protrusion, suitable for installing an electrical component with a limit groove, a hook and other various structural forms, for example, refer to Figure 2 The mounting portion 20 is a receiving groove that can accommodate the busbar. The busbar is a component of the integrated busbar. The integrated busbar is the main conductive channel inside the battery pack. It can efficiently transmit the electrical energy generated by the battery pack in the battery pack to the vehicle's power system or other electrical equipment. At the same time, it can also collect key parameters such as the battery pack's voltage, current, and temperature in real time to provide necessary monitoring data for the BMS system.

[0042] The accommodating cavities are arranged on the bottom shell 2 in some embodiments, and a plurality of vertical plates 24 are arranged on the bottom shell 2 and extend away from the upper cover 1, the plurality of vertical plates 24 are arranged in order on the bottom shell 2, and part of the vertical plates 24 are connected to each other to surround the accommodating cavities. The number of the accommodating cavities is arranged according to the number of the bus bars, and each accommodating cavity is used for accommodating one bus bar, so that the integrated design of the battery control module and the integrated bus bar is realized through the accommodating cavities of the bottom shell 2, the integration of the modules in the BMS system is improved, the structure of the BMS system is simplified, the space occupied by the BMS system in the battery pack is reduced, and therefore the installation and layout difficulty of the BMS system in the battery pack is reduced, and the preparation difficulty of the battery pack is reduced.

[0043] Further, Figure 3 Fig. 1 shows a partial schematic view of the inner side of the upper cover 1 in the embodiment of the utility model, Figure 4 Fig. 2 shows a partial schematic view of the outer side of the upper cover 1 in the embodiment of the utility model, and Figure 3 and Figure 4 In some embodiments of the utility model, the plugging piece 03 comprises a seat part 31 and a head part 32 which are connected to each other; at least part of the seat part 31 passes through the wire hole and is arranged in the upper cover 1, and the head part 32 is exposed outside the upper cover 1.

[0044] Specifically, the plugging piece 03 can be processed into an integral piece through an integral forming process, and the seat part 31 and the head part 32 belong to different parts of the plugging piece 03; the plugging piece 03 can also be formed by fixed connection of two independent parts, and the fixed connection modes include but are not limited to fastener assembly connection, adhesive connection, limiting clamping and the like; the processing mode of the plugging piece 03 is not limited in the embodiment.

[0045] Part of the seat part 31 passes through the wire hole, part of the seat part 31 is arranged in the upper cover 1, and part of the seat part 31 is exposed outside the upper cover 1, and the head part 32 is exposed outside the upper cover 1, wherein the inner side of the upper cover 1, i.e. the side of the upper cover 1 forming the cavity 10, as shown in Figure 3 , and the outer side of the upper cover 1, i.e. the side of the upper cover 1 away from the cavity 10, as shown in Figure 4 , the seat part 31 and the head part 32 can adopt different shapes and structures to distinguish the installation direction of the plugging piece 03. For example, the seat part 31 can adopt a structure similar to a rectangle or a square, the shape structure of the seat part 31 is adapted to the shape structure of the wire hole, and the seat part 31 can effectively plug the wire hole, and the head part 32 can adopt a structure similar to a cylinder to facilitate an operator to pinch the head part 32 to plug and unplug the plugging piece 03.

[0046] Further, referring to Figure 3 In some embodiments of the utility model, the side, on which the seat part 31 is arranged in the upper cover 1, is provided with a first limiting part 33 which protrudes from the surface of the seat part 31 and abuts against the inner wall of the upper cover 1.

[0047] Specifically, the first limiting portion 33 is located on the inner side of the upper cover 1 and protrudes from the surface of the seat portion 31, and the height of the first limiting portion 33 protruding from the surface of the seat portion 31 can be set according to actual needs, and the embodiment is not limited. The inner wall of the upper cover 1 refers to the surface of the upper cover 1 close to the cavity 10, and the first limiting portion 33 abuts against the inner wall of the upper cover 1, which can limit the movement of the plugging piece 03 away from the cavity 10, thereby improving the installation stability of the plugging piece 03.

[0048] In addition, the first limiting portion 33 can be in any shape structure such as point, strip, block, etc., and the specific form is not limited in the embodiment. The first limiting portion 33 and the seat portion 31 can be processed into an integral piece through an integral molding process, so as to save the subsequent connection process and ensure the connection reliability of the first limiting portion 33 and the seat portion 31; the first limiting portion 33 can also be an independent component, which is assembled, glued or welded together with the seat portion 31, so as to facilitate the independent processing of the seat portion 31 and the first limiting portion 33 and reduce the processing difficulty.

[0049] Further, referring to Figure 3 In some embodiments of the utility model, the first limiting portion 33 is a limiting strip; and / or, the first limiting portion 33 is at least two, and the at least two first limiting portions 33 are arranged along the circumference of the seat portion 31.

[0050] Specifically, the limiting strip, i.e., the first limiting portion 33, adopts a strip structure, and the size of the strip structure is relatively long, which can increase the contact area of the first limiting portion 33 and the inner wall of the upper cover 1 to a certain extent, thereby improving the limiting effect of the first limiting portion 33 on the plugging piece 03. Alternatively, the number of the first limiting portion 33 is at least two, and the at least two first limiting portions 33 are arranged along the circumference of the seat portion 31, Figure 3 The seat portion 31 shown in the figure is a structure similar to a rectangle or a square, and the first limiting portion 33 is arranged on each side of the seat portion 31 to improve the uniformity of the force received by the first limiting portion 33, thereby improving the limiting effect of the first limiting portion 33 on the plugging piece 03. Of course, if the seat portion 31 is a circular structure, the first limiting portion 33 can be uniformly arranged along the circumference of the seat portion 31, and the seat portion 31 can also be in other structural forms, which will not be described herein. In addition, the first limiting portion 33 can be a limiting strip and can also be arranged along the circumference of the seat portion 31.

[0051] Further, referring to Figure 4 In some embodiments of the utility model, the seat portion 31 arranged on one side of the outer side of the upper cover 1 is provided with a second limiting portion 34, and the second limiting portion 34 protrudes from the surface of the seat portion 31 and abuts against the outer wall of the upper cover 1.

[0052] Specifically, the second limiting portion 34 is located outside the upper cover 1 and protrudes from the surface of the seat portion 31, and the height of the second limiting portion 34 protruding from the surface of the seat portion 31 can be set according to actual needs, and the embodiment is not limited. The outer wall of the upper cover 1 refers to the surface of the upper cover 1 away from the cavity 10, and the second limiting portion 34 abuts against the outer wall of the upper cover 1, which can limit the movement of the plugging piece 03 towards the cavity 10, thereby improving the installation stability of the plugging piece 03.

[0053] In addition, the second limiting portion 34 can be in any shape structure such as point, strip, block, etc., and the specific form is not limited in the embodiment. The second limiting portion 34 and the seat portion 31 can be processed into an integral part through an integral molding process, so as to save the subsequent connection process and ensure the connection reliability of the second limiting portion 34 and the seat portion 31; the second limiting portion 34 can also be an independent part, which is assembled, glued or welded together with the seat portion 31, so as to facilitate the independent processing of the seat portion 31 and the second limiting portion 34 and reduce the processing difficulty.

[0054] Further, referring to Figure 4 In some embodiments of the utility model, the second limiting portion 34 is annularly arranged on the circumferential side of the seat portion 31 to form a limiting plate, and the limiting plate seals the gap between the seat portion 31 and the upper cover 1.

[0055] Specifically, the second limiting portion 34 is annularly arranged on the circumferential side of the seat portion 31 and has a continuous and uninterrupted annular structure, thereby forming a limiting plate, which can comprehensively seal the gap between the seat portion 31 and the outer wall of the upper cover 1, effectively prevent external water vapor, dust and other impurities from entering the cavity 10 from the wire passing hole, and thereby better protect the electrical components 02. In addition, the size of the limiting plate is slightly larger than the size of the wire passing hole, so as to avoid material waste.

[0056] Further, referring to Figure 3 and Figure 4 In some embodiments of the utility model, the head portion 32 is provided with an anti-skid structure 35, which can be a plurality of spaced protrusions, a plurality of spaced recesses 14, or a plurality of protrusions or recesses 14 in an alternating distribution form. The protrusions or recesses 14 can increase the roughness of the surface of the head portion 32, thereby facilitating the operator to hold the head portion 32 to plug and unplug the plugging piece 03, and reducing the probability of the plugging piece 03 falling off.

[0057] Further, referring to Figure 1 In some embodiments of the utility model, the upper cover 1 is provided with a buckle 11 on the side close to the bottom shell 2, the bottom shell 2 includes a bottom plate 21 and a side plate 22 arranged on the circumferential side of the bottom plate 21, and the side plate 22 is provided with a protruding block 23, which is clamped in the buckle 11 to fix the upper cover 1 and the bottom shell 2.

[0058] Specifically, the bottom shell 2 includes a bottom plate 21 and side plates 22 arranged around the bottom plate 21. The bottom plate 21 and the side plates 22 are fixedly connected. The bottom shell 2 can be processed into an integral part using an one-piece molding process. The bottom plate 21 and the side plates 22 are different parts of the bottom shell 2 respectively. Alternatively, the bottom shell 2 can also be assembled and connected using independent parts. The bottom plate 21 and the side plates 22 are assembled and connected together by fasteners such as bolts and screws, or are welded together by laser welding to form a complete bottom shell 2.

[0059] A buckle 11 is provided on the side of the upper cover 1 near the bottom shell 2. A protrusion 23 is provided on the side panel 22 of the bottom shell 2. The protrusion 23 engages within the buckle 11, securing the upper cover 1 to the bottom shell 2. The buckle 11 and protrusion 23 secure the upper cover 1 to the bottom shell 2, creating a removable connection between the upper cover 1 and the bottom shell 2 and facilitating access to the electrical components 02 within the cavity 10 for maintenance. The number of buckles 11 and protrusions 23 can be one, two, or more, depending on the size of the upper cover 1 and the bottom shell 2 and the connection requirements, and is not a limitation of this embodiment.

[0060] Further, refer to Figure 1 In some embodiments of the present invention, the end of the upper cover 1 close to the bottom shell 2 extends in a direction away from the cavity 10 to form a flange 12, and the flange 12 abuts against the bottom plate 21.

[0061] Specifically, flange 12 extends away from cavity 10, extending approximately 1 to 3 cm beyond the surface of upper cover 1, sufficient to abut against bottom plate 21. The distance flange 12 protrudes from the surface of upper cover 1 should not be too great to avoid increasing the weight of upper cover 1 and compromising the lightweight design of housing 01. The abutment of flange 12 against bottom plate 21 of bottom housing 2 helps improve the seal between upper cover 1 and bottom housing 2, thereby providing better protection for electrical components 02 within cavity 10.

[0062] Further, refer to Figure 1 In some embodiments of the present invention, the side of the upper cover 1 facing away from the bottom case 2 is provided with a heat dissipation hole 13. Specifically, the side of the upper cover 1 facing away from the bottom case 2 is the top of the upper cover 1. Since the electrical component 02 generates heat during operation, the heat generated by the electrical component 02 within the cavity 10 can be discharged through the heat dissipation hole 13, thereby achieving heat dissipation of the electrical component 02 and maintaining an optimal operating temperature. Furthermore, there can be multiple heat dissipation holes 13 to improve the heat dissipation effect on the electrical component 02.

[0063] Further, Figure 5 A partial schematic diagram of the top of an upper cover 1 in an embodiment of the present invention is shown, referring to Figure 5In some embodiments of the utility model, the upper cover 1 is provided with a groove 14 on the side away from the bottom shell 2, that is, the top of the upper cover 1 is provided with the groove 14, the groove 14 comprises a groove bottom and a groove wall surrounding the groove bottom, and at least part of the groove wall is hollowed out to form the heat dissipation hole 13. Figure 5 The groove 14 shown in the figure is a rectangular groove, the groove bottom of the groove 14 is the bottom surface of the rectangular groove, the groove wall of the groove 14 is the side surface of the rectangular groove, and the heat dissipation hole 13 is arranged on the side surface, which can effectively reduce the risk of foreign matter entering the cavity 10 from the heat dissipation hole 13 and improve the environmental cleanliness in the cavity 10. In addition, the heat dissipation holes 13 can be distributed on the groove wall at intervals to avoid excessively affecting the strength and rigidity of the groove wall and ensure the integrity of the structure and shape of the groove 14.

[0064] The utility model embodiment further provides a battery pack, including the battery control module of any preceding embodiment.

[0065] Specifically, in addition to the battery control module, the battery pack further comprises a box body and a battery pack, the battery pack and the battery control module are arranged in the box body, the battery control module is electrically connected with the battery pack, and the battery control module is responsible for the electric energy distribution, protection and management of the battery pack, so that the normal execution of the charging and discharging function of the battery pack is ensured. The battery control module has high integration and occupies small space in the box body, which helps to reduce the difficulty of installation and layout of the battery control module in the box body, thereby reducing the preparation difficulty of the battery pack and saving the preparation cost of the battery pack. At the same time, the battery control module has a certain protective effect on the electrical assembly 02 in the non-use state, reduces the failure rate of the battery control module, enables the battery control module to execute corresponding functions on the battery pack, and improves the use reliability of the battery pack.

[0066] Finally, it should be noted that in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises... " does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the recited element.

[0067] The above description is only the preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A battery control module, characterized in that: Including housing, electrical components and sealing parts; The housing comprises an upper cover and a bottom shell, wherein the upper cover is fixedly connected to the bottom shell, and a cavity is formed between the upper cover and the bottom shell; The electrical component is arranged in the cavity and mounted on the bottom shell, and a mounting portion is provided on a side of the bottom shell facing away from the upper cover; The upper cover is provided with a wire hole for allowing the wire harness of the electrical component to pass through, and the blocking piece is suitable for plugging and cooperating with the wire hole to block or release the wire hole.

2. The battery control module according to claim 1, characterized in that: The blocking member includes a seat portion and a head portion connected to each other; At least a portion of the seat passes through the wire hole and is placed in the upper cover, and the head is exposed outside the upper cover.

3. The battery control module according to claim 2, characterized in that: A first limiting portion is provided on one side of the seat portion disposed inside the upper cover. The first limiting portion protrudes from the surface of the seat portion and abuts against the inner wall of the upper cover.

4. The battery control module according to claim 3, characterized in that: The first limiting portion is a limiting strip; and / or, there are at least two first limiting portions, and the at least two first limiting portions are spaced apart along the circumference of the seat.

5. The battery control module according to claim 2, characterized in that: A second limiting portion is provided on one side of the seat portion located outside the upper cover. The second limiting portion protrudes from the surface of the seat portion and abuts against the outer wall of the upper cover.

6. The battery control module according to claim 5, characterized in that: The second limiting portion is arranged around the circumference of the seat portion to form an annular limiting plate, and the limiting plate seals the gap between the seat portion and the upper cover.

7. The battery control module according to claim 2, characterized in that: The head is provided with an anti-slip structure, which includes a plurality of protrusions and / or grooves arranged at intervals.

8. The battery control module according to claim 1, characterized in that: A buckle is provided on one side of the upper cover close to the bottom shell. The bottom shell includes a bottom plate and side plates arranged around the bottom plate. A protrusion is provided on the side plate, and the protrusion is clamped in the buckle to buckle and fix the upper cover and the bottom shell.

9. The battery control module according to claim 8, characterized in that: The end portion of the upper cover close to the bottom shell extends in a direction away from the cavity to form a flange, and the flange abuts against the bottom plate.

10. The battery control module according to claim 1, characterized in that: A heat dissipation hole is provided on a side of the upper cover facing away from the bottom shell.

11. The battery control module according to claim 10, characterized in that: A groove is provided on a side of the upper cover facing away from the bottom shell. The groove includes a groove bottom and a groove wall surrounding the groove bottom. At least a portion of the groove wall is hollowed out to form the heat dissipation hole.

12. A battery pack, characterized in that: The battery control module comprises the battery control module according to any one of claims 1 to 11.

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