CN220915108U - Motor and vehicle - Google Patents

Abstract

The utility model discloses a motor and a vehicle, the vehicle comprises: a housing; a rotor rotatably disposed within the housing; a conductive assembly, the conductive assembly comprising: the magnetic isolation plate is fixed on the shell, the conductive ring is fixed in the magnetic isolation plate, the conductive ring is sleeved on the rotating shaft of the rotor, a flexible conductive piece is arranged on the inner wall of the conductive ring, and the flexible conductive piece is in interference fit with the rotating shaft. Through being provided with flexible conductive piece on the conducting ring, when preventing like this that the bearing of motor is corroded by pivot electric current, can also reduce the wearing and tearing to the pivot to can promote the work efficiency of motor, in addition, utilize the magnetism isolating plate to replace current conducting ring support, be fixed in the inside of magnetism isolating plate with the conducting ring, can save the arrangement space of conducting ring like this, thereby can reduce the whole volume of motor, can reduce cost to a certain extent.

Description

Motor and vehicle

Technical Field

The utility model relates to the technical field of vehicles, in particular to a motor and a vehicle.

Background

In the related art, in the internal structure of the motor, the conducting ring is arranged on the inner side of the conducting ring bracket and connected with the rotary transformer and the shell, the conducting ring penetrates through the rotating shaft of the motor, the rotary transformer is connected with the conducting ring through three fixing bolts, the position of the rotary transformer is limited, the conducting ring is assembled and contacted with the outer wall surface of the rotating shaft, and accordingly the current of the rotating shaft is conducted to the conducting ring bracket and then released to a grounding point through the shell.

However, in the mounting structure, the press fit reliability of the conductive ring and the conductive ring support is poor, the conductive ring is easy to fall off from the conductive support after long-term use, the conductive ring is in inflexible connection with the rotating shaft, and the rotating shaft is worn after long-term fit, so that the motor efficiency is reduced.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the motor, which can reduce the abrasion to the rotating shaft and improve the working efficiency while preventing the bearing from being corroded by the current of the rotating shaft, and in addition, the motor can save the arrangement space of the conducting ring, reduce the whole volume of the motor and reduce the cost to a certain extent.

The utility model further proposes a vehicle.

The motor according to the utility model comprises a housing; a rotor rotatably disposed within the housing; a conductive assembly, the conductive assembly comprising: the magnetic isolation plate is fixed on the shell, the conductive ring is fixed in the magnetic isolation plate, the conductive ring is sleeved on the rotating shaft of the rotor, a flexible conductive piece is arranged on the inner wall of the conductive ring, and the flexible conductive piece is in interference fit with the rotating shaft.

According to the motor, the flexible conductive piece is arranged on the conductive ring, so that the abrasion to the rotating shaft can be reduced while the bearing of the motor is prevented from being corroded by the current of the rotating shaft, the working efficiency of the motor can be improved, in addition, the conductive ring is fixed in the magnetic isolation plate by utilizing the magnetic isolation plate to replace the existing conductive ring support, the arrangement space of the conductive ring can be saved, the whole size of the motor can be reduced, and the cost can be reduced to a certain extent.

In some examples of the present utility model, the flexible conductive members are plural, and plural flexible conductive members are disposed at intervals.

In some examples of the utility model, the motor further comprises: the fastener, the magnetism isolating plate is provided with first mounting hole, the casing is provided with the second mounting hole, the fastener wears to establish first mounting hole with the second mounting hole is fixed in on the casing.

In some examples of the present utility model, the magnetic shielding plate is further provided with a first positioning portion, and the housing is further provided with a second positioning portion, and the first positioning portion is in positioning fit with the second positioning portion.

In some examples of the present utility model, a mounting platform is disposed inside the magnetic shielding plate, the mounting platform is provided with a first mounting portion, the conductive ring is provided with a second mounting portion, and the first mounting portion is in mounting fit with the second mounting portion.

In some examples of the utility model, the motor further comprises: the rotary transformer is arranged on the shell, a positioning step is arranged on the positioning step, the rotary transformer is positioned on one side, far away from the conducting ring, of the magnetic isolation plate, and the positioning step and the magnetic isolation plate limit the rotary transformer axially together.

In some examples of the utility model, the motor further comprises: the rotary transformer is provided with an installation groove, the side wall of the positioning step is provided with a limiting groove, the rotary key is fixed at the installation groove, and the rotary key is in limiting fit with the limiting groove.

In some examples of the utility model, the mounting platform and the stator of the resolver are both circular in axial projection, the mounting platform has a minimum diameter that is smaller than the diameter of the stator of the resolver in axial projection, and the mounting platform has a minimum diameter that is larger than the diameter of the stator windings of the resolver in axial projection.

In some examples of the utility model, the motor further comprises: an NTC connector comprising: the male end is connected with the female end; a wire harness support, the wire harness support comprising: the first fixed section is connected with the second fixed section, the first fixed section is fixed with the shell, and the second fixed section is connected with the male end.

In some examples of the present utility model, the male end is provided with a clamping rail, the second fixing section is slidably disposed on the clamping rail, and the clamping rail is in clamping fit with two sides of the second fixing section.

In some examples of the present utility model, a first clamping portion is provided at the clamping rail, and a second clamping portion is provided at the second fixing section, and the first clamping portion is in clamping fit with the second clamping portion.

In some examples of the utility model, the first fixed section is provided with a third mounting portion and the housing is provided with a fourth mounting portion, the third mounting portion being in mounting engagement with the fourth mounting portion.

In some examples of the present utility model, the housing is provided with a fitting groove at the fourth mounting portion, and a rotation preventing portion is provided on a peripheral side of the first fixing section, the rotation preventing portion being in abutting fit with an inner wall of the fitting groove.

In some examples of the utility model, the motor further comprises: three-phase connection pad and protector, the protector is fixed in on the casing, the three-phase connection pad includes: the protective piece covers and is arranged on the three-phase copper bar.

In some examples of the utility model, the guard is provided with a separator disposed between two adjacent copper bars of the three-phase copper bar.

In some examples of the present utility model, a plurality of oil slingers are disposed on the rotating shaft, and the plurality of oil slingers are disposed opposite to the stator windings respectively.

The vehicle according to the present utility model includes: the motor described above.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic structural view of an electric motor according to an embodiment of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1 at A;

fig. 3 is a partial structural schematic diagram of an electric motor according to an embodiment of the present utility model;

FIG. 4 is a partial exploded view of an electric machine according to an embodiment of the present utility model;

FIG. 5 is a schematic structural view of a conductive ring;

FIG. 6 is a schematic view of a first angular configuration of a magnetic shield;

FIG. 7 is a second angular schematic view of the magnetic shield;

Fig. 8 is a schematic structural view of the wire harness bracket;

FIG. 9 is a schematic structural view of an NTC connector;

FIG. 10 is a schematic view of a first angular configuration of a three-phase wire holder;

fig. 11 is a second angular structural schematic diagram of the three-phase wire holder.

Reference numerals:

1. A motor;

10. A housing; 20. a rotor; 21. a rotating shaft; 211. an oil throwing hole; 30. a conductive assembly; 31. a magnetism isolating plate; 311. a first mounting hole; 312. a first positioning portion; 313. a mounting platform; 3131. a first mounting portion; 32. a conductive ring; 321. a flexible conductive member; 322. a second mounting portion; 50. a rotary transformer; 51. a mounting groove; 60. an anti-rotation key; 70. an NTC connector; 71. a male end; 711. clamping the rail; 7111. a first clamping part; 72. a female end; 80. a harness bracket; 81. a first fixed section; 811. a third mounting portion; 812. an anti-rotation part; 82. a second fixed section; 821. a second clamping part; 90. three-phase wire holder; 91. a wire holder main body; 92. three-phase copper bars; 100. a guard; 101. a partition board.

Detailed Description

Embodiments of the present utility model will be described in detail below, by way of example with reference to the accompanying drawings.

An electric machine 1 according to an embodiment of the utility model is described below with reference to fig. 1-11. The motor 1 is usually arranged on the vehicle and is used for driving corresponding components to act so that the vehicle can work normally.

As shown in fig. 1 to 4, the motor 1 according to the embodiment of the present utility model includes a housing 10, a rotor 20, and a conductive member 30. Wherein, the shell 10 forms the whole appearance structure of the motor 1, mainly plays the role of installation, and other parts of the motor 1 can be installed on the shell 10, and the shell 10 can also play the role of protection. The rotor 20 mainly converts electrical energy into mechanical energy so that a corresponding load can be operated. And the conductive element 30 may function as a conductor.

As shown in fig. 1-4, the rotor 20 is rotatably disposed within the housing 10, i.e., the housing 10 is stationary, and the rotor 20 is rotatable relative to the housing 10 to convert electrical energy into mechanical energy when the rotor 20 is rotated. In addition, the rotor 20 is arranged in the shell 10, so that the rotor 20 can be isolated from the external environment, interference between the rotor 20 and the external environment is avoided, and the rotor 20 can drive corresponding loads to work better.

As shown in fig. 3 and 4, the conductive assembly 30 includes a magnetic shielding plate 31 and a conductive ring 32, the magnetic shielding plate 31 is fixed on the housing 10, the conductive ring 32 is fixed inside the magnetic shielding plate 31, the conductive ring 32 is sleeved on the rotating shaft 21 of the rotor 20, a flexible conductive member 321 is disposed on the inner wall of the conductive ring 32, and the flexible conductive member 321 is in interference fit with the rotating shaft 21.

Wherein, the magnetism isolating plate 31 can play the installation role, fix the magnetism isolating plate 31 on the shell 10, so that the magnetism isolating plate 31 can be fixed, and the setting of the magnetism isolating plate 31 can be more firm and stable. The conductive ring 32 is fixed inside the magnetic isolation plate 31, so that the conductive ring 32 can be fixed, and the conductive ring 32 is more firmly and stably arranged. In addition, the magnetic isolation plate 31 is used for replacing the existing conductive ring support, and the conductive ring 32 is fixed in the magnetic isolation plate 31, so that the arrangement space of the conductive ring 32 can be saved, the whole volume of the motor 1 can be reduced, and the cost can be reduced to a certain extent.

Moreover, the conducting ring 32 is sleeved on the rotating shaft 21 of the rotor 20, so that the conducting ring 32 is more reasonably arranged on the magnetic isolation plate 31, and the conducting ring 32 can be better matched with the rotating shaft 21. The flexible conductive member 321 mainly plays a role in conducting electricity, and the flexible conductive member 321 is arranged on the inner wall of the magnetic isolation plate 31, so that the flexible conductive member 321 can be fixed, and the flexible conductive member 321 is convenient to be matched with the rotating shaft 21. Specifically, the flexible conductive element 321 can be in interference fit with the rotating shaft 21, so that the flexible conductive element 321 can be ensured to be in contact with the rotating shaft 21, and therefore current on the rotating shaft 21 can flow into the flexible conductive element 321 and then sequentially flow into the shell 10 through the conductive ring 32 and the magnetic isolation plate 31, and finally, the grounding point is led into the shell 10, and corrosion of the current of the rotating shaft 21 to the bearing of the motor 1 can be avoided. Since the flexible conductive member 321 is flexibly connected with the rotating shaft 21, the friction between the flexible conductive member 321 and the rotating shaft 21 is small, and the abrasion to the rotating shaft 21 is small. The flexible conductive member 321 may be made of flexible carbon fiber material, and the directions of the flexible conductive members 321 are all directed to the center of the conductive ring 32. Of course, other suitable materials may be used for the flexible conductive element 321.

Therefore, the flexible conductive piece 321 is arranged on the conductive ring 32, so that the abrasion to the rotating shaft 21 can be reduced while the bearing of the motor 1 is prevented from being corroded by the current of the rotating shaft 21, thereby improving the working efficiency of the motor 1.

Further, as shown in fig. 5, the flexible conductive members 321 are plural, and the plural flexible conductive members 321 are disposed at intervals. The flexible conductive members 321 are provided in plurality, so that the contact area between the flexible conductive members 321 and the rotating shaft 21 can be increased, and the current on the rotating shaft 21 can be guided and conveyed better. The flexible conductive pieces 321 are arranged at intervals, so that the flexible conductive pieces 321 can be arranged more comprehensively, interference among the flexible conductive pieces 321 can be avoided, and the flexible conductive pieces 321 can better convey current on the rotating shaft 21 to the conductive ring 32.

In addition, as shown in fig. 6, the motor 1 further includes a fastener, the magnetism insulator plate 31 is provided with a first mounting hole 311, the housing 10 is provided with a second mounting hole, and the fastener penetrates the first mounting hole 311 and the second mounting hole to fix the magnetism insulator plate 31 to the housing 10. The fastener mainly plays a fixed role, and the first mounting hole 311 and the second mounting hole can play a mounting role. The first mounting hole 311 is formed in the magnetic shielding plate 31, the second mounting hole is formed in the housing 10, and thus the fastener can sequentially penetrate through the first mounting hole 311 and the second mounting hole to fix the magnetic shielding plate 31 on the housing 10, so that the magnetic shielding plate 31 is more stably connected with the housing 10, and the current flowing through the magnetic shielding plate 31 from the rotating shaft 21 can more stably flow into the housing 10, and the bearing of the motor 1 can be better protected. In addition, the first mounting hole 311 and the second mounting hole have simple structures, and are convenient to process and set.

Further, as shown in fig. 4 and 7, the magnetism insulator plate 31 is further provided with a first positioning portion 312, the housing 10 is further provided with a second positioning portion, and the first positioning portion 312 is in positioning fit with the second positioning portion. The first positioning portion 312 and the second positioning portion can play a role in positioning, the first positioning portion 312 is arranged on the magnetic isolation plate 31, the second positioning portion is arranged on the shell 10, and therefore the first positioning portion 312 can be matched with the second positioning portion in a positioning mode, and when the magnetic isolation plate 31 is installed on the shell 10, the installation position of the magnetic isolation plate 31 on the shell 10 can be rapidly positioned, and therefore the magnetic isolation plate 31 can be rapidly installed, and the assembly efficiency is improved. Moreover, the direction of the magnetic shield 31 can be fixed by the cooperation of the first positioning portion 312 and the second positioning portion, so that the interference between the magnetic shield 31 and the outlet end of the resolver 50 of the motor 1 can be avoided, and the motor 1 can work normally.

Further, as shown in fig. 4 and 6, the magnetism insulator plate 31 is internally provided with a mounting platform 313, the mounting platform 313 is provided with a first mounting portion 3131, the conductive ring 32 is provided with a second mounting portion 322, and the first mounting portion 3131 is fitted with the second mounting portion 322. The mounting platform 313 mainly performs a mounting function, the first mounting portion 3131 is a main body portion of the mounting platform 313, and the second mounting portion 322 may also perform a mounting function. The first installation department 3131 sets up on the magnetism isolating plate 31, and the second installation department 322 sets up on the conducting ring 32, and first installation department 3131 can install the cooperation with the second installation department 322 like this to fix conducting ring 32 and magnetism isolating plate 31 together, and then can fix conducting ring 32, make conducting ring 32 and magnetism isolating plate 31's connection more stable, conducting ring 32 can more stably pass through the electric current on the flexible conducting piece 321 to magnetism isolating plate 31.

The mounting platform 313 may be an inward concave structure, so that when the conductive ring 32 is fixed on the mounting platform 313, the arrangement space of the conductive ring 32 can be saved, thereby reducing the overall volume of the motor 1 and reducing the cost to a certain extent. Also, the first mounting portion 3131 and the second mounting portion 322 may each be a mounting hole structure, and may be fixed by bolts or other suitable means. Preferably, the first mounting portion 3131 and the second mounting portion 322 are provided in two, and are spaced apart by 180 °.

Before the conductive ring 32 is fixed to the mounting platform 313, the conductive ring 32 needs to be engaged with the inner wall surface of the magnetic shield 31, and the engagement may be one of interference engagement, clearance engagement, or transition engagement. Moreover, the magnetic isolation plate 31 and the conductive ring 32 can be fixed by bolts, or can be fixed by interference press fitting, riveting points increase, profiling structure or pin positioning.

In addition, as shown in fig. 3 and 4, the motor 1 further includes a resolver 50, a positioning step is provided on the housing 10, the resolver 50 is provided on the positioning step, and the resolver 50 is located on a side of the magnetic shield 31 away from the conductive ring 32, and the positioning step and the magnetic shield 31 together limit the resolver 50 in the axial direction. The resolver 50 may be used to detect the angle, the rotation speed, etc. of the rotation shaft 21, and the positioning step mainly plays a role in positioning and mounting. The rotary transformer 50 is disposed on the positioning step, so that the rotary transformer 50 can be fixed, and the connection between the rotary transformer 50 and the housing 10 is more stable. The rotary transformer 50 is arranged on one side of the magnetic isolation plate 31 far away from the conducting ring 32, so that the arrangement of the rotary transformer 50 is more reasonable, interference between the rotary transformer 50 and the conducting ring 32 is avoided, and the rotary transformer 50 can work better. In addition, the positioning steps and the magnetic shielding plates 31 can be respectively positioned on two sides of the rotary transformer 50 in the axial direction, and the positioning steps and the magnetic shielding plates 31 limit the rotary transformer 50 in the axial direction together, so that the rotary transformer 50 can be prevented from moving along the axial direction of the rotating shaft 21, the arrangement of the rotary transformer 50 can be more firm and stable, and the rotary transformer 50 can work more stably. It should be noted that the magnetic shield 31 may also help the resolver 50 resist electromagnetic interference.

Further, as shown in fig. 1 and 2, the motor 1 further includes an anti-rotation key 60, the resolver 50 is provided with a mounting groove 51, a side wall of the positioning step is provided with a limit groove, the anti-rotation key 60 is fixed at the mounting groove 51, and the anti-rotation key 60 is in limit fit with the limit groove. The anti-rotation key 60 mainly plays a role in connection and limitation, the installation groove 51 can play a role in installation, and the limitation groove can play a role in limitation. The anti-rotation key 60 is fixed to the mounting groove 51, so that the anti-rotation key 60 can be connected to the resolver 50, and the anti-rotation key 60 can be connected to the resolver 50. The anti-rotation key 60 can be in limit fit with the limit groove after being connected with the mounting groove 51, and the limit groove can limit the anti-rotation key 60 in the circumferential direction, so that the rotation of the rotary transformer 50 relative to the shell 10 can be avoided, and the connection stability between the rotary transformer 50 and the shell 10 is further improved.

After the position of the resolver 50 is fixed, the motor 1 is zero-locked, the installation angle of the motor 1 is not affected when the resolver 50 is disassembled and repaired, and the zero position of the motor 1 does not need to be calibrated again.

Specifically, as shown in fig. 4 and 6, the projections of the mounting platform 313 and the stator of the resolver 50 in the axial direction are circular, the minimum diameter of the projection of the mounting platform 313 in the axial direction is smaller than the diameter of the projection of the stator of the resolver 50 in the axial direction, and the minimum diameter of the projection of the mounting platform 313 in the axial direction is larger than the diameter of the projection of the stator winding of the resolver 50 in the axial direction. That is, the mounting platform 313 and the stator of the resolver 50 are formed in a circular shape as a whole in the axial direction, and it is noted that the stator of the resolver 50 having a circular structure is simpler in design and lower in cost.

The minimum diameter of the projection of the mounting platform 313 in the axial direction is smaller than the diameter of the projection of the stator of the rotary transformer 50 in the axial direction, so that the stator of the rotary transformer 50 cannot pass through the mounting platform 313 along the axial direction, and the mounting platform 313 can be contacted with and pressed against the stator of the rotary transformer 50, thereby realizing the limit of the rotary transformer 50 and enabling the setting of the rotary transformer 50 to be more stable. The minimum diameter of the projection of the mounting platform 313 in the axial direction is larger than the diameter of the projection of the stator winding of the rotary transformer 50 in the axial direction, so that interference of the stator winding of the rotary transformer 50 to the mounting platform 313 can be avoided, and the stator winding of the rotary transformer 50 can pass through a gap between the mounting platform 313 and the rotating shaft 21 along the axial direction, thereby facilitating arrangement of the electronic winding of the rotary transformer 50.

Further, as shown in fig. 8 and 9, the motor 1 further includes an NTC connector 70 and a harness bracket 80, the NTC connector 70 including: the male end 71 and the female end 72, the male end 71 is connected with the female end 72, the wire harness bracket 80 comprises a first fixing section 81 and a second fixing section 82, the first fixing section 81 is connected with the second fixing section 82, the first fixing section 81 is fixed with the shell 10, and the second fixing section 82 is connected with the male end 71.

The NTC connector 70 is a plug connector of a temperature sensor, and mainly plays a role of connection and conduction, and the male end 71 and the female end 72 are both connection parts of the NTC connector 70 and are mainly connected with corresponding components, so that signal transmission between the NTC connector 70 and the corresponding components can be realized. The male end 71 is connected with the female end 72, so that the male end 71 and the female end 72 can form a whole, and therefore, when the male end 71 and the female end 72 are processed, only one die is needed, and the male end 71 and the female end 72 can be processed and arranged conveniently.

The wire harness bracket 80 mainly plays a role in fixedly supporting the connecting wire harness, and the first fixing section 81 and the second fixing section 82 can play a role in fixedly connecting. The first fixing section 81 is connected with the second fixing section 82, so that the first fixing section 81 and the second fixing section 82 can form a whole, and therefore when the first fixing section 81 and the second fixing section 82 are processed, only one die is needed, and the first fixing section 81 and the second fixing section 82 can be processed and set conveniently.

Specifically, the first fixing section 81 may be connected to the housing 10, so that the wire harness support 80 may be integrally fixed to the housing 10, so that the wire harness support 80 is set stably, and the second fixing section 82 may be connected to the male end 71, so that the second fixing section 82 may fix the male end 71, so that the wire harness support 80 and the NTC connector 70 may be connected and fixed. In this way, the NTC connector 70 is fixed to the housing 10, so as to improve the firmness and stability of the setting of the NTC connector 70, and make the NTC contact work better. The wire harness support 80 may be a sheet metal stamping.

In addition, as shown in fig. 9, the male end 71 is provided with a clamping rail 711, the second fixing section 82 is slidably disposed on the clamping rail 711, and the clamping rail 711 is engaged with both sides of the second fixing section 82. The clamping rail 711 can play a role in guiding and also play a role in clamping limiting. The second fixing section 82 is slidably disposed on the clamping rail 711, that is, the second fixing section 82 can slide on the clamping rail 711, so that when the second fixing section 82 is connected with the male end 71, the second fixing section 82 can slide along the clamping rail 711, thereby quickly and accurately installing and connecting the second fixing section 82, and improving the assembly efficiency. And the clamping rail 711 is clamped with two sides of the second fixed section 82, so that two side walls of the clamping rail 711 can be used for limiting the clamping of the second fixed section 82, and the connection between the second fixed section 82 and the male end 71 can be more stable.

Further, as shown in fig. 9, a first clamping portion 7111 is provided at the clamping rail 711, and a second clamping portion 821 is provided at the second fixing section 82, and the first clamping portion 7111 is in clamping fit with the second clamping portion 821. The first clamping portion 7111 and the second clamping portion 821 may each play a role of clamping. The first clamping portion 7111 is arranged on the clamping rail 711, the second clamping portion 821 is arranged on the second fixing section 82, when the second fixing section 82 slides along the clamping rail 711, the first clamping portion 7111 can be clamped with the second clamping portion 821 when the second fixing section 82 slides to a certain position, so that the second fixing section 82 can be fixed on the clamping rail 711, the male end 71 can be fixed with the wire harness bracket 80, and the connection stability between the male end 71 and the wire harness bracket 80 is further improved.

Specifically, as shown in fig. 8, the first fixing section 81 is provided with a third mounting portion 811, and the housing 10 is provided with a fourth mounting portion, with which the third mounting portion 811 is in mounting engagement. Wherein, the third mounting portion 811 and the fourth mounting portion can each function as a mounting. The third mounting portion 811 is disposed on the first fixing portion 81, the fourth mounting portion is disposed on the housing 10, the first fixing portion 81 can be fixed on the housing 10 through mounting engagement between the third mounting portion 811 and the fourth mounting portion, and the first fixing portion 81 is connected with the male end 71, so that the NTC connector 70 can be integrally fixed on the housing 10, the reliability and stability of the NTC connector 70 are improved, and the NTC connector 70 can perform signal transmission more stably. The third mounting portion 811 and the fourth mounting portion may each be a mounting hole, and the third mounting portion 811 and the fourth mounting portion may be fixed by bolts or other suitable means.

Further, as shown in fig. 8, the housing 10 is provided with an engagement groove at the fourth mounting portion, and the circumferential side of the first fixing section 81 is provided with an anti-rotation portion 812, and the anti-rotation portion 812 is engaged with the inner wall of the engagement groove in an abutting manner. The engagement groove mainly plays a role in engagement installation, and the rotation preventing portion 812 mainly plays a role in restricting rotation, so that rotation of the first fixing section 81 can be restricted. Specifically, when the first fixing section 81 and the housing 10 are fixed, the third mounting portion 811 on the first fixing section 81 and the fourth mounting portion on the housing 10 need to be aligned at first, the rotation preventing portion 812 is located inside the fitting groove, the rotation preventing portion 812 abuts against the inner wall of the fitting groove, then the third mounting portion 811 and the fourth mounting portion are fixed by screwing bolts through the third mounting portion 811 and the fourth mounting portion, and in the screwing process of the bolts, the first fixing section 81 can be prevented from rotating in the screwing process due to the limit of the rotation preventing portion 812 by the fitting groove, so that the mounting and the fitting between the third mounting portion 811 and the fourth mounting portion are facilitated.

In addition, as shown in fig. 10 and 11, the motor 1 further includes a three-phase wire holder 90 and a protector 100, the protector 100 being fixed to the housing 10, the three-phase wire holder 90 including: the wire holder main body 91 and the three-phase copper bar 92, and the protector 100 is covered on the three-phase copper bar 92. The three-phase wire holder 90 mainly plays a role of wire connection, and the protection piece 100 mainly plays a role of protection. The protection piece 100 is fixed on the shell 10, so that the protection piece 100 can be fixed, the protection piece 100 is more firmly and stably arranged, and the protection piece 100 can better play a protection role. Of course, the protection piece 100 may also be connected to the three-phase wire holder 90, and the protection piece 100 and the three-phase wire holder 90 may be connected in a snap-fit manner, so that the space for installing the bolt hole may be reduced.

The three-phase socket body is a main body part of the three-phase wire socket 90, and mainly plays a role in installation and connection, and the three-phase copper bar 92 is a part of the three-phase wire socket 90 electrically connected with corresponding components. It should be noted that, because the gap between the three-phase wire holder 90 and the low-voltage wire harness is smaller, the high-voltage wire harness and the low-voltage wire harness are easy to be in insulation short circuit, and the protection piece 100 is covered on the three-phase copper bar 92, so that the protection piece 100 can isolate the three-phase copper bar 92 from the low-voltage wire harness, and avoid the phenomenon of electric leakage or insulation short circuit, thereby improving the safety of the three-phase wire holder 90.

Further, as shown in fig. 10, the protector 100 is provided with a partition plate 101, and the partition plate 101 is disposed between two adjacent copper bars of the three-phase copper bars 92. The partition plate 101 mainly plays a role in isolation, the partition plate 101 is arranged between two adjacent copper bars of the three-phase copper bars 92, and therefore three copper bars of the three-phase copper bars 92 can be isolated, the creepage distance between the three-phase copper bars 92 can be increased, and the safety of the three-phase copper bars 92 in use is improved.

As an alternative embodiment, as shown in fig. 3, the rotating shaft 21 may be designed in a lightweight manner with a hollow shaft, where the non-oil inlet end is closed, the closed position is higher than the bearing step surface of the rotor 20, multiple oil-throwing holes 211 are opened on the side surface of the rotating shaft 21 and located in the middle of the stator winding of the motor 1, and the multiple oil-throwing holes 211 are respectively opposite to the stator winding, and when the motor 1 works, the rotor 20 rotates at a high speed, and cooling oil enters the rotating shaft 21 from the oil inlet end, is thrown out from the side oil-throwing holes 211, and is uniformly sprayed on the surface of the stator winding for cooling.

According to an embodiment of the present utility model, a vehicle includes: the motor 1 described in the above embodiment.

In the description of the present utility model, it should 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", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the utility model, a "first feature" or "second feature" may include one or more of such features. In the description of the present utility model, "plurality" means two or more. In the description of the utility model, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween. In the description of the utility model, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means 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 utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

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

Claims (17)

1. An electric machine (1), characterized by comprising:

a housing (10);

A rotor (20), the rotor (20) being rotatably arranged within the housing (10);

-a conductive component (30), the conductive component (30) comprising: magnetism isolating plate (31) and conducting ring (32), magnetism isolating plate (31) are fixed in on casing (10), conducting ring (32) are fixed in the inside of magnetism isolating plate (31), just conducting ring (32) cover are located on pivot (21) of rotor (20), the inner wall of conducting ring (32) is provided with flexible conductive piece (321), flexible conductive piece (321) with pivot (21) interference fit.

2. The electric machine (1) according to claim 1, wherein the flexible conductive members (321) are plural, and plural flexible conductive members (321) are arranged at intervals.

3. The electric machine (1) according to claim 1, further comprising: the magnetic isolation plate (31) is provided with a first mounting hole (311), the shell (10) is provided with a second mounting hole, and the fastener penetrates through the first mounting hole (311) and the second mounting hole so as to fix the magnetic isolation plate (31) on the shell (10).

4. The electric machine (1) according to claim 1, characterized in that the magnetic shielding plate (31) is further provided with a first positioning portion (312), the housing (10) is further provided with a second positioning portion, and the first positioning portion (312) is in positioning fit with the second positioning portion.

5. The electric machine (1) according to claim 1, characterized in that the magnetic barrier (31) is internally provided with a mounting platform (313), the mounting platform (313) is provided with a first mounting portion (3131), the conductive ring (32) is provided with a second mounting portion (322), and the first mounting portion (3131) is in mounting engagement with the second mounting portion (322).

6. The electric machine (1) according to claim 5, further comprising: the rotary transformer (50) is arranged on the shell (10), the rotary transformer (50) is arranged on the positioning step, the rotary transformer (50) is located on one side, far away from the conducting ring (32), of the magnetic isolation plate (31), and the positioning step and the magnetic isolation plate (31) limit the rotary transformer (50) axially together.

7. The electric machine (1) according to claim 6, further comprising: anti-rotation key (60), rotary transformer (50) are provided with mounting groove (51), the lateral wall of location step is provided with the spacing groove, anti-rotation key (60) are fixed in mounting groove (51) department, just anti-rotation key (60) with spacing groove spacing cooperation.

8. The electric machine (1) according to claim 6, characterized in that the projections of the mounting platform (313) and the stator of the resolver (50) in the axial direction are circular, the minimum diameter of the projection of the mounting platform (313) in the axial direction is smaller than the diameter of the projection of the stator of the resolver (50) in the axial direction, and the minimum diameter of the projection of the mounting platform (313) in the axial direction is larger than the diameter of the projection of the stator windings of the resolver (50) in the axial direction.

9. The electric machine (1) according to claim 1, further comprising: an NTC connector (70), the NTC connector (70) comprising: a male end (71) and a female end (72), the male end (71) being connected with the female end (72);

A wire harness support (80), the wire harness support (80) comprising: the device comprises a first fixed section (81) and a second fixed section (82), wherein the first fixed section (81) is connected with the second fixed section (82), the first fixed section (81) is fixed with the shell (10), and the second fixed section (82) is connected with the male end (71).

10. The motor (1) according to claim 9, wherein the male end (71) is provided with a clamping rail (711), the second fixing section (82) is slidably arranged on the clamping rail (711), and the clamping rail (711) is in clamping fit with two sides of the second fixing section (82).

11. The motor (1) according to claim 10, characterized in that a first clamping portion (7111) is provided at the clamping rail (711), a second clamping portion (821) is provided at the second fixing section (82), and the first clamping portion (7111) is in clamping fit with the second clamping portion (821).

12. The electric machine (1) according to claim 9, characterized in that the first fixed section (81) is provided with a third mounting portion (811), the housing (10) being provided with a fourth mounting portion, the third mounting portion (811) being in mounting engagement with the fourth mounting portion.

13. The electric machine (1) according to claim 12, characterized in that the housing (10) is provided with a fitting groove at the fourth mounting portion, the peripheral side of the first fixing section (81) being provided with an anti-rotation portion (812), the anti-rotation portion (812) being in abutment fit with an inner wall of the fitting groove.

14. The electric machine (1) according to claim 1, further comprising: three-phase connection terminal (90) and guard (100), guard (100) are fixed in on casing (10), three-phase connection terminal (90) include: the wire holder main body (91) and three-phase copper bar (92), the protector (100) is covered on the three-phase copper bar (92).

15. The electric machine (1) according to claim 14, characterized in that the guard (100) is provided with a partition (101), the partition (101) being arranged between two adjacent copper bars of the three-phase copper bars (92).

16. The motor (1) according to claim 1, wherein a plurality of oil slingers (211) are provided on the rotating shaft (21), and the plurality of oil slingers (211) are respectively arranged opposite to the stator windings.

17. A vehicle, characterized by comprising: the electrical machine (1) of any one of claims 1-16.