CN220053484U - Motor drive assembly integrated with battery assembly and automobile - Google Patents

Abstract

The utility model discloses a motor driving assembly integrated with a battery assembly and an automobile. Wherein the inside motor installation cavity and the battery installation cavity that separate the setting that have of installation casing, the battery installation cavity is located the top in motor installation cavity in the direction of height of car. The driving motor is detachably arranged in the motor mounting cavity and is electrically connected with the battery assembly. The battery assembly is detachably arranged in the battery mounting cavity and comprises a plurality of battery units, and the battery units are sequentially stacked in the battery mounting cavity along the height direction. According to the utility model, the battery assembly is integrated on the driving motor, so that the integration efficiency of the whole vehicle is improved, the energy transmission loss is reduced, the battery pack is prevented from occupying the space of the passenger cabin, and the space of the passenger cabin is increased.

Description

Motor drive assembly integrated with battery assembly and automobile

Technical Field

The utility model relates to the technical field of automobiles, in particular to a motor drive assembly integrated with a battery assembly and an automobile.

Background

Along with the development of the automobile industry, new energy automobiles are developed to be more mature, and become the main force army of the automobile market gradually, and common electric automobiles mainly comprise pure electric automobiles and hybrid electric automobiles. As shown in fig. 1, the conventional electric vehicle power system includes a power battery pack 30, a motor system including a front motor system 20 and a rear motor system 10, and a high voltage assembly including a protocol data unit 40 (PDU) and a high voltage line assembly 50, wherein the power battery pack 30 is generally disposed at the lower portion of the passenger compartment due to low energy density and large volume, occupies the passenger compartment space, and is connected with the motor through the protocol data unit 40 and the high voltage line assembly 50, thereby increasing the cost of the high voltage line and the high voltage line module, and having a loss in energy transfer efficiency; meanwhile, the power battery pack 30 needs a large number of structural members to protect the electric safety, and the integration efficiency of the vehicle electricity is not high.

Therefore, the electric vehicle in the prior art has the problems that the power battery pack is arranged at the lower part of the passenger cabin to occupy the passenger cabin space, and the energy transmission efficiency and the integration efficiency are low.

Disclosure of Invention

The utility model aims to solve the problems that a power battery pack of an electric automobile in the prior art occupies the space of a passenger cabin when arranged at the lower part of the passenger cabin, and the energy transmission efficiency and the integration efficiency are low.

In order to solve the technical problems, the embodiment of the utility model discloses a motor driving assembly integrated with a battery assembly, wherein the motor driving assembly is positioned in a front cabin or a rear cabin of an automobile and fixedly arranged on a frame, and the motor driving assembly comprises a mounting shell, a driving motor fixedly arranged in the mounting shell and the battery assembly. Wherein the inside motor installation cavity and the battery installation cavity that separate the setting that have of installation casing, the battery installation cavity is located the top in motor installation cavity in the direction of height of car. And the driving motor is detachably arranged in the motor mounting cavity and is electrically connected with the battery assembly.

The battery assembly is detachably arranged in the battery mounting cavity and comprises a plurality of battery units, and the battery units are sequentially stacked in the battery mounting cavity along the height direction.

By adopting the technical scheme, the battery assembly below the passenger cabin in the traditional electric car is integrated on the driving motor, so that the high-voltage wire harness between the battery and the high-voltage assembly is reduced, the energy transmission loss is reduced, the integrated efficiency of the whole car is improved, the power battery is not required to be installed at the bottom of the passenger cabin, and the space of the passenger cabin is increased. The battery installation cavity is located the top in motor installation cavity in the direction of height of car, and battery pack detachably sets up in the battery installation cavity, and battery pack stacks the safe region of integration on motor upper portion, and the profile space of driving motor can be fine protection solid-state power battery package not invaded in the collision, has ensured the electric safety when bumping.

The embodiment of the utility model also discloses a motor drive assembly integrated with the battery assembly, wherein a plurality of mounting parts which are arranged in a stacking way along the height direction are arranged in the battery mounting cavity, and each mounting part is provided with a mounting cavity which is matched with a single battery unit; and, one side of the installation department has the opening, is provided with the division board between two adjacent installation departments.

By adopting the technical scheme, a plurality of installation parts are arranged in the battery installation cavity, the battery unit is detachably arranged in the installation parts, the separation plates are arranged between two adjacent installation parts, the safety performance of the power battery is higher, and meanwhile, the solid power battery can be subjected to modularized matching design according to the whole vehicle endurance requirement, so that a gradient electric drive module taking the driving motor as the center is formed.

Preferably, the inner wall portion of the side of each mounting portion remote from the opening is provided with a power battery interface.

Preferably, each battery unit is of a square plate-shaped structure, one end of each battery unit is provided with a battery plug-in part, and the power battery plug-in parts are arranged protruding out of the battery unit body. The battery unit is detachably arranged in the corresponding installation part, and the battery plug-in part is connected with the power battery interface in an adaptive manner.

By adopting the technical scheme, the battery unit is arranged into the square platy structure, so that the power battery is more convenient to install and replace, the safety performance is higher, the power battery is integrated above the driving motor, the driving motor is directly powered, the connecting components such as a high-voltage wire harness are reduced, and the integration efficiency is improved.

The embodiment of the utility model also discloses a motor drive assembly integrated with the battery assembly, which further comprises an energy absorption assembly, wherein the energy absorption assembly is fixedly arranged on at least one side part of the installation shell in the length direction of the automobile. And when the motor driving assembly is seen along the length direction, the energy absorption assembly at least covers the area where the battery assembly and/or the driving motor are/is located.

By adopting the technical scheme, the energy absorption assembly can crush and absorb collision energy when being impacted, so that the collision energy is prevented from being transmitted to the driving motor at the rear part, the energy absorption efficiency and the safety performance are improved, the requirement on the energy absorption space is reduced, and the motor driving assembly positioned in the front cabin is safer and more reliable.

The embodiment of the utility model also discloses a motor drive assembly integrated with the battery assembly, wherein the energy absorption assembly comprises a plurality of energy absorption units which are fixedly connected with each other, and each energy absorption unit is of a hollow columnar structure.

Preferably, each energy absorbing unit is in a hollow hexagonal prism structure extending along the length direction. And when the energy absorbing assembly is seen along the length direction, the whole energy absorbing assembly is honeycomb-shaped.

By adopting the technical scheme, each energy-absorbing unit is of a hollow hexagonal prism structure, when the energy-absorbing units of the hollow hexagonal prism structure are subjected to collision acting force, the energy-absorbing units of the hollow hexagonal prism structure collapse and deform, the collision force is absorbed through the deformation of the energy-absorbing structure, the direct action of the collision acting force on the driving motor and the battery assembly is avoided, and the safety of the driving motor and the battery assembly is protected. Further, the whole energy-absorbing assembly is honeycomb-shaped, the energy-absorbing area is larger during collision, the collapse energy-absorbing is more uniform, and the energy-absorbing effect is better.

The embodiment of the utility model also discloses an automobile, which comprises the motor drive assembly integrated with the battery assembly.

The automobile comprises two longitudinal beams which extend along the length direction of the automobile and are arranged at intervals, the front ends of the longitudinal beams are fixedly provided with front anti-collision beam structures, the front anti-collision beam structures extend along the width direction of the automobile, and an auxiliary frame connected with the longitudinal beams is further arranged in a front cabin of the automobile. And when the front cabin is seen from the upper part of the front cabin along the height direction, the motor drive assembly is positioned in the middle of the front cabin, the longitudinal beam, the anti-collision beam structure and the auxiliary frame are positioned on the periphery of the motor drive assembly and surround the motor drive assembly, and the motor drive assembly is detachably and fixedly connected with the auxiliary frame.

By adopting the technical scheme, the front anti-collision beam structure, the longitudinal beam and the auxiliary frame can provide a plurality of collision force transmission paths, and when the front anti-collision beam structure is in collision, the acting force from the collision is transmitted to the vehicle body or the chassis in a dispersed manner through the plurality of collision force transmission paths, so that the acting force received by the battery assembly and the motor drive assembly is reduced, and a front cabin structure with multiple energy absorption paths is formed.

The embodiment of the utility model also discloses an automobile, and the energy absorption component of the motor drive assembly is positioned at the rear side of the front anti-collision beam structure in the length direction of the automobile. And, when looking at the front cabin along the height direction from the upper portion of the front cabin, the auxiliary frame is arranged around the motor drive assembly, and at least two sides of the width direction of the motor drive assembly are detachably and fixedly connected with the auxiliary frame.

Preferably, the motor drive assembly is detachably and fixedly connected with the auxiliary frame through a connecting suspension structure.

By adopting the technical scheme, the motor drive assembly and the auxiliary frame are detachably and fixedly connected through the connecting suspension structure, so that the motor drive assembly is convenient to detach and install, and the stability and the safety of the motor drive assembly are higher.

The utility model has the following effects:

the utility model discloses a motor drive assembly integrated with a battery assembly, which comprises a mounting shell, a drive motor and a battery assembly, wherein the drive motor and the battery assembly are fixedly arranged in the mounting shell, the battery assembly is integrated on the drive motor, high-voltage wire harnesses between a battery and a high-voltage assembly are reduced, the integration efficiency of the whole vehicle is improved, the power loss is reduced, the outline space of the drive motor can well protect a solid-state power battery pack from being invaded in collision, and the electric safety in collision is ensured. And the battery assembly can be subjected to modularized matching design according to the whole vehicle endurance requirement, so that a gradient electric drive module taking the driving motor as the center is formed. The motor driving assembly is characterized in that an energy absorption assembly is further designed on the motor shell, a front anti-collision beam structure, a longitudinal beam and an auxiliary frame provide a plurality of collision force transmission paths and participate in whole car collision energy absorption, so that the energy absorption efficiency and safety performance are improved, the requirement on the energy absorption space is reduced, and the motor driving assembly positioned in the front cabin is safer and more reliable. The power battery of the automobile is integrated on the driving motor in the front cabin or the rear cabin, the battery is electrically driven to be integrated efficiently, the space in the passenger cabin is increased, and the energy transfer efficiency of the whole automobile is improved.

Drawings

FIG. 1 is a schematic diagram of a prior art power cell pack and power system;

fig. 2 is a schematic diagram of a motor driving assembly arranged in a front cabin and a rear cabin of an automobile according to an embodiment of the utility model;

FIG. 3 is a schematic diagram of a motor drive assembly integrated with a battery assembly according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a battery unit of a motor driving assembly integrated with a battery assembly according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram of an energy absorbing assembly of a motor drive assembly integrated with a battery assembly according to an embodiment of the present utility model;

FIG. 6 is an elevation view of an energy absorbing assembly of a motor drive assembly integrated with a battery assembly provided in accordance with an embodiment of the present utility model;

FIG. 7 is a schematic view of a motor drive assembly integrated with a battery assembly in a front compartment according to an embodiment of the present utility model;

fig. 8 is a schematic diagram of a connection structure of a motor driving assembly integrated with a battery assembly in a front compartment according to an embodiment of the present utility model.

Reference numerals illustrate:

reference numerals of the prior art:

10. a rear motor system; 20. a front motor system; 30. a power battery pack; 40. protocol data unit; 50. a high voltage line assembly;

reference numerals in the present utility model:

100. a motor drive assembly;

110. a mounting shell;

111. a motor mounting cavity;

112. a battery mounting cavity; 1121. a partition plate; 1122. a power battery interface;

120. a battery assembly;

121. a battery unit; 122. a battery plug-in part;

130. a driving motor;

140. an energy absorbing assembly;

141. an energy absorbing unit;

200. a longitudinal beam; 300. a front anti-collision beam structure; 400. an auxiliary frame; 500. connecting and suspending; 600. a passenger compartment; 700. a wheel;

A. the length direction of the automobile; B. width direction of the automobile; C. the height direction of the car.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

Before the present embodiment is written in detail, the problems existing in the prior art will be briefly described with reference to fig. 1, and the power battery pack 30 in the conventional electric vehicle power system is generally disposed at the lower portion of the passenger compartment due to low energy density and large volume, so as to occupy the passenger compartment space, and meanwhile, the power battery pack 30 is connected with the motor through the Protocol Data Unit (PDU) 40 and the high-voltage wire assembly 50, so that the cost of the high-voltage wire and the high-voltage wire assembly is increased, and the energy transmission efficiency is lost, so that the electric vehicle in the prior art mostly has the problems that the battery pack occupies the passenger compartment space and the energy transmission efficiency and the integration efficiency are low.

Example 1

The implementation of this embodiment discloses a motor drive assembly integrated with a battery assembly, the motor drive assembly 100 is located in a front cabin or a rear cabin of an automobile, and the motor drive assembly 100 is fixedly mounted on a vehicle frame, as shown in fig. 2, the motor drive assembly 100 is disposed in both the front cabin and the rear cabin, and the motor drive assembly 100 includes a mounting housing 110, and a driving motor 130 and a battery assembly 120 fixedly disposed in the mounting housing 110. The installation housing 110 has a motor installation cavity 111 and a battery installation cavity 112 which are arranged separately, and the battery installation cavity 112 is located above the motor installation cavity 111 in the height direction of the automobile. And the driving motor 130 is detachably disposed in the motor mounting chamber 111 and electrically connected with the battery assembly 120.

As shown in fig. 3, the battery assembly 120 is detachably disposed in the battery mounting cavity 112, and includes a plurality of battery cells 121, and the plurality of battery cells 121 are sequentially stacked in the battery mounting cavity 112 along the height direction of the automobile.

Specifically, the height direction of the vehicle in the present embodiment may be referred to as the direction C in fig. 2, the length direction of the vehicle may be referred to as the direction a in fig. 2, the width direction of the vehicle may be referred to as the direction B in fig. 8,

it should be noted that, as will be understood by those skilled in the art, the motor drive assembly 100 may be disposed in a front cabin of an automobile, a rear cabin of an automobile, or both the front cabin and the rear cabin of an automobile, so as to obtain a larger driving force. The frame includes a rail 200, subframe 400, etc.

The installation housing 110 of the motor driving assembly 100 is shown in fig. 3, the installation housing 110 comprises a motor installation cavity 111 and a battery installation cavity 112 which are separately arranged, the design of the structure is adopted, the safety of the battery installation cavity 112 positioned at the upper part of the motor installation cavity 111 is better, a plurality of battery units 121 are stacked at the upper part of the motor installation cavity 111, the outline space and the structure of the driving motor 130 and the installation housing 110 can well protect the battery assembly 120 from being invaded in collision, and the electric safety is ensured.

More specifically, in the present embodiment, the driving motor 130 may be detachably disposed in the motor mounting cavity 111 through a bolting, a suspending connection or other means, and the power output end of the driving motor 130 is connected to the wheel 700 of the automobile. The battery assembly 120 may be removably and fixedly connected by plugging, sleeving, clamping or other means.

Further, as shown in fig. 3, when the plurality of battery units 121 are stacked in the battery mounting cavity 112, the length direction of each battery unit 121 is the same as the length direction of the automobile, and those skilled in the art may set the length direction of the battery unit 121 to be the same as the width direction of the automobile and stacked, or set the length direction of the battery unit 121 to be the height direction of the automobile, and the plurality of battery units 121 are set to be the length direction of the automobile according to actual requirements.

With the above arrangement, the battery assembly 120 located below the passenger cabin 600 in the conventional electric car is integrated on the driving motor 130 in the embodiment, so that high-voltage wiring harnesses between the battery and the high-voltage assembly are reduced, energy transmission loss is reduced, the integrated efficiency of the whole car is improved, and the bottom of the passenger cabin 600 does not need to be provided with a power battery, so that the space of the passenger cabin 600 is increased. And the battery installation cavity 112 is located above the motor installation cavity 111 in the height direction of the automobile, the battery assembly 120 is detachably arranged in the battery installation cavity 112, the battery assembly 120 is stacked and integrated in a safety area on the upper part of the motor, the outline space of the driving motor 130 can well protect the solid-state power battery pack from being invaded in the collision, and the electric safety in the collision is ensured.

The implementation of this embodiment also discloses a motor drive assembly integrated with a battery assembly, as shown in fig. 3, a plurality of mounting parts stacked in the height direction are disposed in the battery mounting cavity 112, and each mounting part has a mounting cavity adapted to a single battery unit 121; as shown in fig. 3, the mounting portion has an opening on one side for mounting the battery cell 121, a partition plate 1121 is provided between two adjacent mounting portions, and a power battery interface 1122 is provided on an inner wall portion of each mounting portion on a side away from the opening.

Specifically, in the present embodiment, the power battery interface 1122 provided inside the side of each mounting portion remote from the opening is provided with an anode-cathode interface, and each battery unit 121 is also provided with an anode-cathode adapted to the anode-cathode interface on the power battery interface 1122. The battery unit 121 may be a solid-state power battery, a common lithium battery or a lead storage battery, the battery unit 121 may be a blade battery, for example, and the volume of the installation cavity is adapted to the volume of the single battery unit 121, so that the battery unit 121 is more stable after being installed in the installation cavity. And, be provided with division board 1121 between two adjacent installation department and can also play thermal-insulated and cooling's effect, the cooling water course etc. can also be set up on division board 1121 to the skilled in the art to improve the cooling efficiency of battery package.

More specifically, in this embodiment, the number of layers of the installation portion along the height direction is set according to the actual power requirement or the whole vehicle endurance requirement, for example, 3 layers, 4 layers, 5 layers, 6 layers or more, as shown in fig. 3, and in this embodiment, 3 layers are provided.

By adopting the design of the structure, a plurality of mounting parts are arranged in the battery mounting cavity 112, the battery unit 121 is detachably arranged in the mounting parts, the partition plate 1121 is arranged between two adjacent mounting parts, the safety performance of the power battery is higher, and meanwhile, the solid power battery can be subjected to modularized matching design according to the whole vehicle endurance requirement, so that a gradient electric drive module taking the driving motor 130 as the center is formed.

Preferably, as shown in fig. 4, each battery unit 121 has a square plate structure, one end of the battery unit is provided with a battery plug-in part 122, and the power battery plug-in part 122 protrudes from the body of the battery unit 121. The battery unit 121 is detachably disposed in the corresponding mounting portion, and the battery plug portion 122 is adapted to be connected with the power battery interface 1122.

In particular, in the present embodiment, as can be seen from fig. 3, a plurality of battery cells 121 are provided in the mounting portion in a manner similar to drawer drawing, and are more convenient to mount and dismount. The detachable manner of the battery cell 121 and the mounting portion may be:

for example, a protrusion provided along the longitudinal direction of the battery unit 121 is fixedly provided on the outer wall portion of the battery unit 121, a chute adapted to the protrusion is provided on the inner wall portion of the mounting portion, and when the battery unit 121 is mounted, the protrusion is connected to the chute in a fitting manner, and is slidably connected. For example, a clamping structure may be fixedly disposed on an outer wall portion of the battery unit 121, a clamping portion adapted to the clamping structure is disposed on an inner wall portion of the mounting portion, and the battery unit 121 may be detachably connected in a clamping manner.

By adopting the design of the structure, the battery unit 121 is of a square plate-shaped structure, so that the power battery is more convenient to mount, dismount and replace, the safety performance is higher, the power battery is integrated above the driving motor 130, the driving motor 130 is directly powered, connecting components such as a high-voltage wire harness are reduced, the integration efficiency is improved, and the energy loss is reduced.

The implementation of this embodiment also discloses a motor driving assembly integrated with a battery assembly, as shown in fig. 2, 5 and 6, and further includes an energy absorbing assembly 140, where the energy absorbing assembly 140 is fixedly disposed on at least one side portion of the mounting housing 110 in the length direction of the automobile. And looking toward motor drive assembly 100 along the length of the vehicle, energy absorbing assembly 140 covers at least the area where battery assembly 120 and/or drive motor 130 are located.

Specifically, in this embodiment, when looking at the motor driving assembly 100 along the length direction of the automobile, the energy absorbing component 140 may cover the whole area where the battery component 120 and the driving motor 130 are located; energy absorbing assembly 140 may also cover the area where the entire battery assembly 120 is located; it is also possible that the energy absorbing assembly 140 covers the entire area where the driving motor 130 is located; energy absorbing assembly 140 may also cover portions of the area where battery assembly 120 and drive motor 130 are located. Regardless of the installation position and the installation manner, the energy absorbing assembly 140 can be ensured to crush and absorb the collision energy, and the collision energy is prevented from being transmitted to the rear driving motor 130 and the battery assembly 120.

More specifically, the energy absorbing assembly 140 is fixedly disposed on at least one side portion of the installation housing 110 in the longitudinal direction of the vehicle, which means that the energy absorbing assembly 140 is fixedly mounted on one side portion of the installation housing 110 that is subject to collision, for example, when the motor driving assembly 100 is disposed in the front cabin, the energy absorbing assembly 140 is disposed on the front side of the installation housing 110, and when the motor driving assembly 100 is disposed in the rear cabin, the energy absorbing assembly 140 is disposed on the rear side of the installation housing 110.

By adopting the design of the structure, the energy absorbing component 140 can crush and absorb collision energy when being impacted, so that the collision energy is prevented from being transmitted to the rear driving motor 130, the energy absorbing efficiency and safety performance are improved, the requirement on the energy absorbing space is reduced, and the motor driving assembly 100 positioned in the front cabin is safer and more reliable.

The implementation of this embodiment also discloses a motor driving assembly integrated with a battery assembly, as shown in fig. 5 and 6, the energy absorbing assembly 140 includes a plurality of energy absorbing units 141, the plurality of energy absorbing units 141 are fixedly connected with each other, and each energy absorbing unit 141 has a hollow columnar structure.

Preferably, each energy absorbing unit 141 has a hollow hexagonal prism structure extending in a length direction. And when looking at the energy absorbing assembly 140 along the length direction of the automobile, the energy absorbing assembly 140 is entirely honeycomb-shaped.

In particular, the energy absorbing assembly 140 may be provided with 8, 11, 14 or other numbers of energy absorbing units 141. It should be noted that, for those skilled in the art, the energy absorbing unit 141 may be configured as an energy absorbing structure with other shapes, for example, an interface is circular, square, pentagon, etc., which has better collapse energy absorbing performance.

In this embodiment, by adopting the design of the above structure, each energy absorbing unit 141 is in a hollow hexagonal prism structure, when receiving the impact force, the energy absorbing units 141 with hollow hexagonal prism structures collapse and deform, and the impact force is absorbed by the deformation of the energy absorbing structure, so that the impact force is prevented from directly acting on the driving motor 130 and the battery assembly 120, and the safety of the driving motor 130 and the battery assembly 120 is protected. Further, the energy absorbing assembly 140 is in a honeycomb shape, the energy absorbing area is larger during collision, the collapse energy absorption is more uniform, and the energy absorbing effect is better.

Further, the setting position of the motor drive assembly integrated with the battery assembly and the working process after the collision provided in this embodiment will be briefly described:

taking the motor driving assembly 100 as an example of being arranged in the front cabin, the energy absorbing assembly 140 is fixedly arranged in front of the driving motor 130 and the battery assembly 120, when the energy absorbing assembly 140 is subjected to crumple deformation to absorb a part of collision energy during collision, when the energy absorbing assembly 140 is insufficient to absorb and offset all the collision energy, the mounting shell 110 can absorb a part of the collision energy, and part of the collision energy can also be absorbed through the vehicle body or the chassis, so that the safety of the driving motor 130 and the battery assembly 120 is ensured.

Example 2

The implementation mode of the embodiment discloses an automobile, which comprises the motor driving assembly integrated with the battery assembly disclosed in any one of embodiment 1.

Referring to fig. 7 and 8, the structure in the front cabin is described, the automobile includes two longitudinal beams 200 extending in the longitudinal direction of the automobile and disposed at intervals, a front impact beam structure 300 is fixedly disposed at the front end of the longitudinal beam 200, the front impact beam structure 300 is disposed extending in the width direction of the automobile, and a sub-frame 400 connected to the longitudinal beam 200 is further disposed in the front cabin of the automobile. And, when the front cabin is seen from the upper portion of the front cabin in the height direction, the motor drive assembly 100 is located in the middle of the front cabin, the side members 200, the anti-collision beam structure and the sub-frame 400 are located at the peripheral side of the motor drive assembly 100 and surround the motor drive assembly 100, and the motor drive assembly 100 is detachably and fixedly connected with the sub-frame 400. The respective directions of the automobile in this embodiment are the same as those in embodiment 1, the longitudinal direction is shown in the direction a in fig. 2, the width direction is shown in the direction B in fig. 2, and the height direction is shown in the direction C in fig. 8.

The energy absorbing component 140 of the motor drive assembly 100 is located on the rear side of the front impact beam structure 300 in the length direction of the vehicle. And, when the front cabin is seen from the upper portion of the front cabin in the height direction, the sub-frame 400 is disposed around the motor drive assembly 100, and at least both sides in the width direction of the motor drive assembly 100 are detachably fixedly connected with the sub-frame 400.

Further, the motor drive assembly 100 is detachably and fixedly coupled to the sub-frame 400 through the coupling suspension 500 structure.

In the actual installation process, the motor drive assembly 100 may be installed in the front cabin, may be installed in the rear cabin only, or may be installed in both the front cabin and the rear cabin, as shown in fig. 2, and the motor drive assembly 100 is installed in both the front cabin and the rear cabin in fig. 2.

In addition, as shown in fig. 8, three sides of the motor driving assembly 100 are connected by three-point positioning, and it will be understood by those skilled in the art that a plurality of connection structures, such as 2, 3, 4 or other numbers, may be provided at one side of the motor driving assembly 100, and the connection structures may be a connection suspension 500 structure, a connection swing arm structure, a connection seat structure, etc., which is not limited only in this embodiment.

Specifically, in the present embodiment, as shown in fig. 8, four connection arms of the sub-frame 400 are provided on the peripheral side of the motor driving assembly 100, and each side of the motor driving assembly 100 connects and supports the motor driving assembly 100 to improve the stability and reliability of the motor driving assembly 100.

By adopting the design of the structure, the front anti-collision beam structure 300, the longitudinal beam 200 and the auxiliary frame 400 can provide a plurality of collision force transmission paths, and when the front anti-collision beam structure is collided, the acting force of the collision is transmitted to the vehicle body or the chassis in a dispersed manner through the plurality of collision force transmission paths, so that the acting force of the battery assembly 120 and the motor drive assembly 100 is reduced, and a front cabin structure with multiple energy absorption paths is formed. The motor drive assembly 100 and the subframe 400 are detachably and fixedly connected through the structure of the connecting suspension 500, so that the motor drive assembly 100 is convenient to detach and mount, and the stability and the safety of the motor drive assembly 100 are higher.

In summary, the utility model discloses a motor driving assembly integrated with a battery assembly, the motor driving assembly 100 comprises a mounting shell 110, a driving motor 130 and a battery assembly 120, wherein the driving motor 130 and the battery assembly 120 are fixedly arranged in the mounting shell 110, the battery assembly 120 is integrated on the driving motor 130, high-voltage wire harnesses between a battery and a high-voltage assembly are reduced, the integration efficiency of the whole vehicle is improved, the power loss is reduced, the outline space of the driving motor 130 can well protect a solid-state power battery pack from being invaded in collision, and the electric safety in collision is ensured. And the battery assembly 120 can be subjected to modularized matching design according to the whole vehicle endurance requirement to form a gradient electric drive module taking the driving motor 130 as the center. The energy absorption assembly 140 is further designed on the motor shell, the front anti-collision beam structure 300, the longitudinal beam 200 and the auxiliary frame 400 provide a plurality of collision force transmission paths to participate in the whole car collision energy absorption, the energy absorption efficiency and the safety performance are improved, the requirement on the energy absorption space is reduced, and the motor drive assembly 100 positioned in the front cabin is safer and more reliable. The power battery of the automobile is integrated on the driving motor 130 in the front cabin or the rear cabin, the battery is electrically driven and integrated efficiently, the space in the passenger cabin 600 is increased, and the energy transmission efficiency of the whole automobile is improved.

Further, the state when the automobile is subjected to a frontal collision is briefly described with the motor drive assembly 100 in embodiment 1, with the motor drive assembly 100 being disposed in the front compartment of the automobile:

as shown in fig. 8, at the forefront of the front cabin of the automobile, when the automobile is subjected to a frontal collision, the front impact beam structure 300 is deformed to absorb a portion of the collision force, and the portion of the collision force is dispersed to the side member 200 through the front impact beam structure 300, and after the front impact beam structure 300 and the side member 200 cannot fully disperse the collision force, the energy absorbing assembly 140 is deformed to absorb the collision energy, and when the energy absorbing assembly 140 is insufficient to absorb and offset the entire collision energy, the installation shell 110 absorbs a portion of the collision energy, and the collision energy is transmitted to and absorbed by the subframe 400. Thereby ensuring the safety of the driving motor 130 and the battery assembly 120, improving the integration efficiency of the whole vehicle while ensuring the safety, increasing the space in the passenger compartment 600, and improving the energy transfer efficiency of the whole vehicle.

It is intended that other advantages and effects of the present utility model, in addition to those described in the specific embodiments, be readily apparent to those skilled in the art from the present disclosure. While the description of the utility model will be described in connection with the preferred embodiments, it is not intended to limit the inventive features to the implementation. Rather, the purpose of the utility model described in connection with the embodiments is to cover other alternatives or modifications, which may be extended by the claims based on the utility model. The foregoing description contains many specifics, other embodiments, and examples of specific details for the purpose of providing a thorough understanding of the utility model. Furthermore, some specific details are omitted from the description in order to avoid obscuring the utility model. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

It should be noted that in this specification, like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present embodiment, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "inner", "bottom", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present utility model.

In the description of the present embodiment, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present embodiment can be understood in a specific case by those of ordinary skill in the art.

While the utility model has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a further detailed description of the utility model with reference to specific embodiments, and it is not intended to limit the practice of the utility model to those descriptions. Various changes in form and detail may be made therein by those skilled in the art, including a few simple inferences or alternatives, without departing from the spirit and scope of the present utility model.

Claims (10)

1. The motor drive assembly is characterized by being positioned in a front cabin and/or a rear cabin of an automobile and fixedly arranged on a frame, and comprises a mounting shell, a drive motor and a battery assembly, wherein the drive motor and the battery assembly are fixedly arranged in the mounting shell; wherein the method comprises the steps of

The inside of the installation shell is provided with a motor installation cavity and a battery installation cavity which are arranged in a separated mode, and the battery installation cavity is positioned above the motor installation cavity in the height direction of the automobile; and is also provided with

The driving motor is detachably arranged in the motor mounting cavity and is electrically connected with the battery assembly;

the battery assembly is detachably arranged in the battery mounting cavity and comprises a plurality of battery units; the plurality of battery units are sequentially stacked in the battery mounting cavity along the height direction.

2. The battery-component-integrated motor drive assembly according to claim 1, wherein a plurality of mounting portions are provided in the battery mounting chamber, the mounting portions being arranged in a stacked manner in the height direction, each of the mounting portions having a mounting chamber adapted to a single one of the battery cells; and one side of the mounting part is provided with an opening, and a separation plate is arranged between two adjacent mounting parts.

3. A battery-integrated motor drive assembly as set forth in claim 2, wherein an inner wall portion of a side of each of the mounting portions remote from the opening is provided with a power battery interface.

4. A battery-component-integrated motor drive assembly according to claim 3, wherein each of the battery cells has a square plate-like structure, one end of which is provided with a battery plug-in portion that protrudes from the battery cell body; the battery unit is detachably arranged in the corresponding installation part, and the battery plug-in part is connected with the power battery interface in an adaptive manner.

5. The battery-integrated motor drive assembly according to any one of claims 1-4, further comprising an energy absorbing assembly fixedly disposed on at least one side of the mounting housing in a longitudinal direction of the vehicle; and is also provided with

When the motor driving assembly is seen along the length direction, the energy absorbing assembly at least covers the battery assembly and/or the area where the driving motor is located.

6. The battery-integrated motor drive assembly of claim 5, wherein the energy absorbing assembly comprises a plurality of energy absorbing units fixedly connected to one another, and each of the energy absorbing units has a hollow cylindrical structure.

7. The battery-integrated motor drive assembly of claim 6, wherein each of the energy absorbing units is in the form of a hollow hexagonal prism structure extending along the length direction; and is also provided with

When the energy absorbing assembly is seen in the length direction, the whole energy absorbing assembly is honeycomb-shaped.

8. An automobile comprising a battery-integrated motor drive assembly according to any one of claims 1-7; wherein the method comprises the steps of

The automobile comprises two longitudinal beams which extend along the length direction of the automobile and are arranged at intervals, a front anti-collision beam structure is fixedly arranged at the front ends of the longitudinal beams, the front anti-collision beam structure extends along the width direction of the automobile, and an auxiliary frame connected with the longitudinal beams is further arranged in a front cabin of the automobile; and is also provided with

When the front cabin is seen from the upper part of the front cabin along the height direction, the motor driving assembly is positioned in the middle of the front cabin, the longitudinal beam, the anti-collision beam structure and the auxiliary frame are positioned on the peripheral side of the motor driving assembly and surround the motor driving assembly, and the motor driving assembly is detachably and fixedly connected with the auxiliary frame.

9. The vehicle of claim 8, wherein an energy absorbing component of the motor drive assembly is located on a rear side of the front bumper beam structure in a length direction of the vehicle; and is also provided with

When the front cabin is seen from the upper part of the front cabin along the height direction, the auxiliary frame is arranged around the motor driving assembly, and at least two sides of the motor driving assembly in the width direction are detachably and fixedly connected with the auxiliary frame.

10. The vehicle of claim 9, wherein the motor drive assembly is removably fixedly coupled to the subframe by a coupling suspension structure.