CN218343271U - Electric integrated module of battery pack, battery pack and power device - Google Patents

Abstract

The utility model discloses an electrical integration module of a battery pack, which comprises a shell, a battery management system, a power distribution unit, a high-voltage connector and a low-voltage connector; the high-voltage connector and the low-voltage connector are both arranged on the shell and electrically connected with the battery management system. The electric integrated module of this application embodiment is through integrated casing, battery management system, distribution unit, high voltage connector and low voltage connector for solitary spare part number reduces and whole volume diminishes in the casing, and then makes more portably and lightly when electric integrated module integral erection.

Description

Electric integrated module of battery package, battery package and power device

Technical Field

The utility model relates to an electric automobile technical field especially relates to an electric integrated module, battery package and power device of battery package.

Background

The development trend of current power battery system is that structure and electric component progressively simplify and reduce, and whole package is to the volume efficiency in groups and electric quantity requirement more and more high, and more pencil and copper bar still exist in current battery package scheme, and the electric integrated module of battery management system, battery package, high-low pressure connector are mostly independent, and spare part is in large quantity. In view of the overall simplification trend of power battery systems, the design of battery packs is urgently needed to be reduced in number of parts and weight.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric integrated module of battery package, this electric integrated module of battery package includes:

a housing;

the battery management system and the power distribution unit are arranged in the shell, and the battery management system is electrically connected with the power distribution unit;

the high-voltage connector and the low-voltage connector are arranged on the shell and electrically connected with the battery management system.

The electric integrated module of this application embodiment is through integrated casing, battery management system, distribution unit, high voltage connector and low voltage connector for solitary spare part number reduces and whole volume diminishes in the casing, and then makes more portably and lightly when electric integrated module integral erection.

In some embodiments, the battery management system includes a motherboard and a slave board electrically connected to the motherboard, the motherboard and the slave board being separately disposed, the motherboard being disposed within the housing, and the slave board being connected to the housing.

In some embodiments, the number of the slave plates is two, two slave plates are respectively arranged on two opposite sides of the length direction of the shell, and the high-voltage connector and the low-voltage connector are both arranged between the two slave plates.

In some embodiments, a first receiving groove is formed in a top portion of the housing, and the slave plate is received in the first receiving groove.

In some embodiments, the electrical integration module of the battery pack further comprises a cover plate covering the upwardly facing opening of the first receiving groove.

In some embodiments, a second receiving groove is formed on a side surface of the housing, the high-voltage connector is disposed in the second receiving groove, and the high-voltage connector is capable of moving relative to the housing to be completely received in the second receiving groove or at least partially protrude from the second receiving groove.

In some embodiments, a third receiving groove is formed on a side surface of the housing, the low-voltage connector is disposed in the third receiving groove, and the low-voltage connector is capable of moving relative to the housing to be completely received in the third receiving groove or at least partially protrude from the third receiving groove.

The utility model provides a battery pack, this battery pack include above arbitrary embodiment the battery pack the electric integrated module and the collection integrated piece, gather integrated piece with the battery management system electricity is connected.

In some embodiments, the battery pack includes a case and a battery module disposed in the case, and the collection assembly is connected to the battery module.

In some embodiments, the case includes a boundary beam surrounding the battery module, and the high-voltage connector and the low-voltage connector are penetratingly disposed on the boundary beam.

The utility model provides a power device, this power device include above arbitrary embodiment the battery package.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of an electrical integration module of a battery pack according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of a battery pack according to an embodiment of the present invention;

fig. 3 is an assembly view of a battery pack according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a power plant according to an embodiment of the present invention;

description of the main element symbols: a power plant 10; a battery pack 20; an electrical integration module 21; the collection integration 23; a case 25; a battery module 27; a high voltage connector 211; a low voltage connector 213; a housing 215; a main board 217; from the plate 219; a cover plate 218; the first receiving groove 2151; the second receiving groove 2153; the third receiving groove 2155; a cold plate 251; an edge beam 253; a vehicle body 200; an upper cover 24; a bottom guard plate 26; a cross beam 255; a beam groove 271; a collection merge terminal 231; a collection end 233; a power distribution unit 216; a battery management system 212; a first side 273; a second side 275; an electrode output 235; an acquisition interface 2191; high voltage input interface 2157.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

Referring to fig. 1-3, the present invention provides an electrical integration module 21 of a battery pack 20, wherein the electrical integration module 21 includes a housing 215, a battery management system 212, a power distribution unit 216, a high voltage connector 211, and a low voltage connector 213; the high voltage connector 211 and the low voltage connector 213 are each disposed in a housing 215 and electrically connected to the battery management system 212.

The electric integration module 21 according to the embodiment of the present application, through the integration housing 215, the battery management system 212, the power distribution unit 216, the high voltage connector 211, and the low voltage connector 213, reduces the number of individual components in the housing 215 and reduces the overall size, thereby making the whole installation of the electric integration module 21 simpler and lighter.

Specifically, an electrical integration module 21 (Battery distribution Unit), which is an important component on the high-voltage circuit of the electric vehicle, controls the power-on and power-off processes of the high-voltage electrical circuit, is a distribution Unit of the Battery pack 20. The electrical integration module 21 may be provided with a slot for placing required components to save space and improve integration level, and the electrical integration module 21 may be provided with circuit contacts required by the main board 217, the slave board 219, the high voltage connector 211 and the low voltage connector 213 for communicating the components integrated in the electrical integration module 21 with the outside.

The housing 215 may include a plurality of sheet structures. In the electrical integrated module 21, the housing 215 is usually made of an insulating and flame-retardant material (e.g., polyethylene) to prevent electrical leakage and fire. The housing 215 is usually provided with a plurality of slots for fixing components, so as to reduce the occurrence of failures of the components during the movement process, and meanwhile, the housing 215 is also provided with a space for accommodating the components. The housing 215 is formed with three receiving grooves. The first receiving groove 2151 is formed at the top of the housing 215, and a cover 218 is disposed on the first receiving groove 2151. The second receiving groove 2153 and the third receiving groove 2155 are formed at the side of the housing 215. Wherein, the top of the housing 215 is parallel to the horizontal plane, and the side of the housing 215 is a plane perpendicular to the top of the housing 215.

The Battery Management System 212 (Battery Management System) may include a motherboard 217 and a slave board 219. The main board 217 is electrically connected to the slave board 219.

The main board 217 mainly realizes logic control and logic operation functions; the main board 217 may be integrated into the electrical integration module 21, and connected to the electrical integration module 21 through a card slot inside the electrical integration module 21, and the design size of the main board 217 should be smaller than the maximum critical size of the component that can be disposed inside the electrical integration module 21.

The slave board 219 mainly collects data of external battery characteristic parameters, and the slave board 219 is directly connected to the electrical integration module 21, in this embodiment, the two slave boards 219 are respectively installed in two accommodating grooves on the surface of the housing 215, and are in communication with the main board 217 and the integration component of the battery pack 20 in an electrically connected manner, so as to collect data of external battery characteristic parameters.

The power distribution unit 216 may be disposed in the middle of the housing 215, and the power distribution unit 216 may communicate with an external structure through a connection device disposed inside the housing 215, which may be a connector.

The battery management system 212 and the power distribution unit 216 are connected by a connection device, which may be a connector or a cable, provided inside the housing 215.

The high voltage connector 211 may be connected to the electrical integration module 21 through a high voltage socket provided on the housing 215 of the electrical integration module 21 and provided between the slave boards 219.

The low voltage connector 213 is disposed in a third receiving groove 2155 formed by a side surface of the housing 215, and the low voltage connector 213 is movable relative to the housing 215 to be completely received in the third receiving groove 2155 or to be at least partially protruded from the third receiving groove 2155.

Referring to fig. 1, in some embodiments, the battery management system 212 includes a motherboard 217 and a slave board 219 electrically connected to the motherboard 217, the motherboard 217 and the slave board 219 being separately disposed, the motherboard 217 being disposed in the housing 215, and the slave board 219 being connected to the housing 215.

As such, the battery management system 212 is integrated on the housing 215, and the battery management system 212 no longer occupies additional space inside the battery pack 20 as a separate part.

Specifically, the structure of the battery management system 212 is made to be split by disposing the main board 217 and the sub board 219 of the battery management system 212 inside the housing case 215 and on the housing case 215, respectively. The motherboard 217 and the slave 219 may be electrically connected through a hole provided in the housing 215. The hole can be formed in the bottom of the first accommodating groove 2151, and the size of the hole is reasonably selected according to the connection mode used by the main board 217 and the slave board 219.

It is noted that the battery management system 212 and the power distribution unit 216 are respectively disposed at different positions within the housing 215, and the two are not interfered with each other when being installed and used, for example, the power distribution unit 216 may be disposed at the bottom of the left side of the housing 215, the main board 217 in the battery management system 212 may be disposed at the middle of the housing 215, and the slave board 219 in the battery management system 212 may be disposed at the upper portions of both sides of the housing 215.

Referring to fig. 1, in some embodiments, the number of the slave plates 219 is two, two slave plates 219 are respectively disposed at opposite sides of the housing 215 in the length direction, and the high-voltage connector 211 and the low-voltage connector 213 are disposed between the two slave plates 219.

So, the design of adopting above overall arrangement more can make full use of casing 215's space to it is more reasonable to enable the pencil line of walking.

Specifically, the two slave boards 219 are disposed on both sides because this facilitates wiring, and the high-voltage connector 211 and the low-voltage connector 213 are both disposed between the two slave boards 219 because the distance between the two slave boards 219 and the wire harness is shortest when the master board 217 is disposed in the middle inside the housing 215 of the electrical integration module 21 and the high-voltage connector 213 needs to be electrically connected to the master board 217.

Referring to fig. 1, in some embodiments, a first receiving groove 2151 is formed at the top of the housing 215, and the slave plate 219 is received in the first receiving groove 2151.

In this manner, the slave 219 may be embedded into the housing 215 structure, reducing space usage.

Specifically, the first receiving groove 2151 is a groove formed in the slave board 219, and has a groove depth determined by the height of the slave board 219, and is formed on one side of the housing 215 of the electrical integrated module 21, and is further provided with a contact for circuit communication and a hole for routing.

Referring to fig. 1 and 2, in some embodiments, the electrical integration module 21 further includes a cover plate 218, and the cover plate 218 covers the upward opening of the first receiving groove 2151.

Thus, the slave plate 219 installed in the first receiving groove 2151 is not easily interfered by external substances, such as dust.

Specifically, the cover plate 218 may be an insulating flame retardant material (e.g., polyethylene), the shape of the cover plate 218 needs to match the opening shape of the first receiving groove 2151, the cover plate 218 is used to seal the inner space of the first receiving groove 2151, and the cover plate 218 may be adhesively connected to the first receiving groove 2151 to insulate the inner and outer functions of the first receiving groove 2151.

Referring to fig. 1 and 3, in some embodiments, a second receiving groove 2153 is formed on a side surface of the housing 215, the high-voltage connector 211 is disposed in the second receiving groove 2153, and the high-voltage connector 211 can move relative to the housing 215 to be completely received in the second receiving groove 2153 or at least partially protrude from the second receiving groove 2153.

In this way, the high voltage connector 211 is disposed in the second receiving groove 2153, so that the overall space occupation of the electrical integration module 21 can be reduced.

Specifically, the high-voltage connector 211 is disposed in the second receiving groove 2153 formed by the side surface of the housing 215, and the high-voltage connector 211 is movable relative to the housing 215 to be completely received in the second receiving groove 2153 or to at least partially protrude from the second receiving groove 2153. The second receiving groove 2153 is shaped to fit with the high-voltage connector 211, the depth of the second receiving groove is determined by the height of the high-voltage connector 211, the high-voltage connector 211 is electrically connected to the motherboard 217 as needed, the best mode is internal wiring, the arrangement in the embedded groove can make the wiring beautiful and reduce the wiring harness consumption, and the high-voltage connector 211 is arranged on the side surface and can be directly electrically connected to the motherboard 217 arranged inside the housing 215 through the wiring hole formed in the housing 215.

Referring to fig. 1 and 3, in some embodiments, a third receiving groove 2155 is formed on a side surface of the housing 215, the low-voltage connector 213 is disposed in the third receiving groove 2155, and the low-voltage connector 213 can move relative to the housing 215 to be completely received in the third receiving groove 2155 or at least partially protrude from the third receiving groove 2155.

In this way, the low voltage connector 213 disposed in the third receiving groove 2155 can reduce the overall space occupied by the electrical integration module 21.

Specifically, the third receiving groove 2155 is shaped to fit the low-voltage connector 213, and the depth of the groove is determined by the height of the low-voltage connector 213, and the low-voltage connector 213 is electrically connected to the motherboard 217 as needed, so the best way is to route wires internally, such an arrangement can make the wiring beautiful and reduce the consumption of the wiring harness, and the low-voltage connector 213 is disposed at the side surface and can be directly electrically connected to the motherboard 217 disposed inside the housing 215 through the routing hole formed on the housing 215. Referring to fig. 1, in some embodiments, the battery management system 212 includes a motherboard 217 and a slave board 219 electrically connected to the motherboard 217, the motherboard 217 and the slave board 219 being separately disposed, the motherboard 217 being disposed in the housing 215, and the slave board 219 being connected to the housing 215.

Referring to fig. 1 and 3, the present invention provides a battery pack 20, the battery pack 20 includes an electrical integration module 21 and an acquisition integration 23 according to any of the above embodiments, and the acquisition integration 23 is electrically connected to a battery management system 212.

In this way, the volume of the battery pack 20 is reduced directly due to the reduction of the volume of the electrical integration module 21 after integration.

Specifically, the battery pack 20 includes an electrical integration module 21 and an acquisition assembly 23, and the slave board 219 is disposed in the first receiving groove 2151 of the electrical integration module 21. Gather integrated piece 23 and set up in electric integrated module 21 one side, gather and have on the integrated piece 23 be used for with the wire of being connected from board 219, the wire can directly carry out the plug with the slave board 219 through the hole on electric integrated module 21's the first storage tank 2151 and be connected, this mode installation is dismantled conveniently, and can effectively reduce the holistic space of battery package 20 and occupy.

The collection integration component 23 is a component disposed on the battery pack 20, and is a modular component including a collection end 233, a collection junction 231, and an electrode output end 235, and transmits data of characteristic parameters outside the battery collected at the collection end 233 through electrical connection with the component on the electrical integration module 21. The collection assembly 23 is disposed at one side of the battery module 27 and is connected to the battery module 27 by means of a screw connection or a direct welding. The collection end 233 of the collection integrated part 23 is connected with each electric core on the battery module 27, and the collection and combination end 231 and the electrode output end 235 are respectively connected with the electrical integration module 21. The collection end 233 of the collection integrated part 23 can use the mode of an FFC (Flexible Flat Cable), namely, a Flexible Flat Cable connecting strip, the FFC is a Flat tinned copper wire made of a PET (polyethylene terephthalate) insulating material and extremely thin, the number and the distance of the wires can be selected at will, the wiring is more convenient, and the volume of an electronic product is greatly reduced.

The collection junction 231 is located at an end of the collection integrated part 23, and may be in an L-shaped bent shape, and the collection junction 231 may be provided with a connection device or a welding area for connecting with a component on the electrical integration module 21. In this embodiment, the collection and convergence end 231 may be provided with six connectors that are connected to the electrical integration module 21 in a pluggable manner, and the slave board 219 and the collection and convergence end 231 are electrically connected through the connectors.

The electrode output end 235 is located at a position where the end of the collection integrated component 23 is different from the collection junction end 231, the shape can be an L-shaped bent shape, the electrode output end 235 preferably selects a soft copper bar or an aluminum bar, and the electrode output end 235 can be provided with a connecting device or a welding area for connecting with a component on the electrical integrated module 21.

The slave 219 includes a long side and a short side connected to the long side, and the collection merging end 231 of the collection integration 23 is connected to the slave 219 of the battery management system 212 through the collection interface 2191 on the short side of the slave 219 of the battery management system 212. The long side of the slave 219 refers to a side perpendicular to the short side of the slave 219 and attached to the housing 215 of the electrical integration module 21, and the short side of the slave 219 refers to an end provided with a connector or a soldering area for connecting with the collection merging end 231 of the collection manifold 23. The arrangement of the connection region on the short side of the slave board 219 maximizes the use of the structural characteristics of the electrical integration module 21, thereby maximizing the use of the space for integrating the components on the electrical integration module 21, and further improving the space utilization efficiency inside the battery pack 20.

Two slave plates 219 are disposed on opposite sides of the housing 215 in the longitudinal direction, and each slave plate 219 is connected to at least two collection junctions 231. The efficiency of processing two slave boards 219 is higher than that of one slave board 219, 64 strings of voltage can be collected by a single slave board 219, and 128 strings of voltage can be collected by two slave boards 219 at most, and the use requirement of most battery pack 20 schemes is basically met. Meanwhile, the connection of the slave 219 to the plurality of collection junctions 231 can improve the communication efficiency of the slave 219 and the collection manifold 23.

The collection merging end 231 of the collection integration 23 and the collection ports 2191 arranged on the short side of the slave board 219 may be connected by direct welding or plug connection, the number of the collection ports 2191 may be plural, and each slave board 219 is provided with a collection port 2191.

The length direction of the housing 215 is a direction perpendicular to the short side of the slave plate 219, and each slave plate 219 may be provided with three connectors for connecting with the collection assembly 23, that is, in the present embodiment, there may be six connectors on the slave plate 219 for connecting with the collection assembly 23, and there are six corresponding connectors on the collection assembly 23. These connectors are divided into two groups, one group being three connectors located at the front ends of the electrical integration module 21 and the collection assembly 23, and one group being three connectors located in the middle of the electrical integration module 21 and the collection assembly 23. These connectors may be connected by means of plugs, bolts or direct welding. When the plug-in type is adopted, the slave plate 219 is firstly installed on the electrical integration module 21 and is integrally fed with the electrical integration module 21; when welded, the slave plate 219 comes together with the collection manifold 23.

Referring to fig. 1, in some embodiments, the electrode output 235 is connected to a high voltage input interface 2157 within the housing 215.

As such, electrode output 235 can control battery management system 212 via high voltage input interface 2157.

Specifically, the high-voltage input interface 2157 is disposed in the housing 215, the high-voltage input interface 2157 may be disposed at a position different from the battery management system 212 and the power distribution unit 216 in the housing 215, the high-voltage input interface 2157 may be disposed at positions with openings on two sides of the housing, and the high-voltage input interface 2157 may be directly welded or connected to the electrode output 235 in a plug-in manner.

Referring to fig. 1 and 2, in some embodiments, the battery pack 20 includes a case 25 and a battery module 27 disposed in the case 25, and the collection assembly 23 is connected to the battery module 27.

Thus, the case 25 isolates the battery module 27 from the external space, and the battery module 27 can supply power to the collection assembly 23.

Specifically, the battery module 27 is composed of one or more battery cells. The battery cell is the minimum unit of the power battery and is also an electric energy storage unit. The battery module 27 is connected with the box 25 through bolts and connected with the collection integration 23 through cables. The case 25 is generally made of a metal material, has high hardness, and is not easily deformed, and for example, the case 25 is made of stainless steel. The box 25 may be a rectangular parallelepiped, and has a wiring hole for electrically connecting to the outside, a sidewall thereof is attached to the battery module 27, and two beams 255 are disposed in the middle for detachably connecting to the beam grooves 271 of the battery module 27.

The electrical integration module 21 may be disposed at the side of the battery module 27 and connected with the collection assembly 23 by a connecting device disposed therebetween or by welding.

The side surfaces include a first side surface 273 and a second side surface 275 connected to the first side surface 273, the first side surface 273 corresponds to a width direction of the battery pack, the second side surface 275 corresponds to a second side surface 275 of the battery pack, and the electrical integration module is disposed at the first side surface 273 or the second side surface 275. In the present embodiment, the electrical integration module is disposed on the first side 273. Or, the electric integration module 21 is disposed at a position where the width of the battery pack 20 is located

Referring to fig. 1 and 2, in some embodiments, the case 25 includes an edge beam 253 surrounding the battery module 27, and the high-voltage connector 211 and the low-voltage connector 213 are inserted into the edge beam 253.

Thus, the battery module 27 can be stably disposed on the edge beam 253, and the internal components are not damaged by shaking, and meanwhile, the edge beam 253 can be used for erecting cables, so that maintenance problems or heat accumulation caused by disordered stacking of wires can be prevented.

Specifically, the edge beam 253 is used for dividing the internal space of the box 25, the edge beam 253 may be a frame-shaped structure or a strip-shaped structure, and the edge beam 253 is generally a metal material that is not easily deformed and rusted, such as stainless steel. The edge beam 253 may be used to fix electronic components inside the box, and may also be used to mount a line body inside the box thereon, in this embodiment, the high voltage connector 211 and the low voltage connector 213 are inserted into the edge beam 253, and the two are in clearance fit with the edge beam 253, that is, the diameter of the hole on the edge beam 253 for inserting the high voltage connector 211 and the low voltage connector 213 is greater than the contour size of the high voltage connector 211 and the low voltage connector 213. When the battery module 27 is assembled, the battery module is vertically laid down from top to bottom, the bottoms of the battery module 27 and the box body are positioned through the beam groove 271 on the battery module and the beam 255 on the box body 25, and the sides of the battery module and the box body are positioned through the high-voltage connector and the hole matched with the high-voltage connector for wiring.

Referring to fig. 2, in some embodiments, the case 25 includes a cold plate 251, and the cold plate 251 is disposed at the top or bottom of the battery module 27.

In this way, the case 25 and the battery module 27 form a module, which not only can stably protect the periphery of the case 25, but also can improve the space utilization efficiency of the battery pack 20. Meanwhile, the cold plate 251 provides a heat dissipation function for the battery module 27.

Specifically, the cold plate 251 is a cooling plate of the battery pack 20, and a cooling medium may be introduced into the cooling plate to exchange heat between the battery module 27 and the cooling plate, so that the temperature of the battery module 27 may be reduced by the cooling plate, and the temperature of the battery module 27 is prevented from being too high. The cold drawing 251 can adopt the very high material of hardness to make, and battery module adopts direct clamp to get into the case technology, and boundary beam 253 retrains electric core module about box 25, realizes the simplified design of module structure. The cold plate 251 may be disposed on the top or bottom of the battery module 27, and the battery pack 20 further includes an upper cover 242 and a bottom shield 26, the upper cover 24 covering the battery module 27, and the bottom shield 26 being disposed on a side of the cold plate 251 facing away from the battery module 27. Thus, the upper cover 24 and the bottom protection plate 26 can protect the battery module 27, reduce the impact on the battery module 27, and prolong the service life of the battery pack 20.

Referring to fig. 2, the present invention provides a power device 10, wherein the power device 10 includes a battery pack 20 according to any of the above embodiments.

Thus, through energy conversion, the battery pack may provide the power required for operation of the power plant 10.

Specifically, the power unit 10 refers to a technical kit that uses electric energy output from the battery pack 20 as a motive power. The power device 10 may be a power car, and the power car may include a car body 200, and the battery pack 20 is disposed on the car body 200.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (11)

1. An electrically integrated module of a battery pack, comprising:

a housing;

the battery management system and the power distribution unit are arranged in the shell, and the battery management system is electrically connected with the power distribution unit;

the high-voltage connector and the low-voltage connector are arranged on the shell and electrically connected with the battery management system.

2. The electrical integration module of a battery pack according to claim 1, wherein the battery management system comprises a motherboard and a slave board electrically connected to the motherboard, the motherboard and the slave board being separately disposed, the motherboard being disposed within the housing, the slave board being connected to the housing.

3. The electrical integration module of battery pack according to claim 2, wherein the number of the slave plates is two, two slave plates are respectively disposed on opposite sides of the housing in the length direction, and the high voltage connector and the low voltage connector are both disposed between the two slave plates.

4. The electrical integration module of a battery pack according to claim 3, wherein the housing is formed at a top thereof with a first receiving groove, and the slave plate is received in the first receiving groove.

5. The electrical integration module of a battery pack as set forth in claim 4, further comprising a cover plate covering the upwardly facing opening of the first receiving groove.

6. The electrical integration module of a battery pack according to claim 1, wherein a side surface of the housing is formed with a second receiving groove, the high voltage connector being disposed in the second receiving groove, the high voltage connector being movable relative to the housing to be completely received in the second receiving groove or at least partially protruded from the second receiving groove.

7. The electrical integration module of a battery pack according to claim 1, wherein a side surface of the housing is formed with a third receiving groove, the low-voltage connector being disposed in the third receiving groove, the low-voltage connector being movable relative to the housing to be completely received in the third receiving groove or to be at least partially protruded from the third receiving groove.

8. A battery pack, comprising:

an electrically integrated module of the battery pack of any one of claims 1-7; and

the collection integration piece is electrically connected with the battery management system.

9. The battery pack of claim 8, wherein the battery pack comprises a case and battery modules disposed in the case, and the collection manifold is connected to the battery modules.

10. The battery pack of claim 9, wherein the case includes a boundary beam surrounding the battery module, and the high-voltage connector and the low-voltage connector are mounted on the boundary beam in a penetrating manner.

11. A power plant comprising a battery pack as claimed in any one of claims 8 to 10.

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