CN221486863U - Integrated busbar, motor controller, motor assembly and vehicle - Google Patents

Abstract

The utility model discloses an integrated busbar, a motor controller, a motor assembly and a vehicle, comprising: the heating device comprises a first conductive bar, a second conductive bar, a heating conductive bar and a protective shell; the heating conducting bar is suitable for being connected with a motor; the protective housing is an integral piece, and is fixed in the injection molding of the surface of first electrically conductive row, the surface of second electrically conductive row and the surface of heating electrically conductive row. The heating conducting bars are connected with the motor, so that the motor can be heated, and the motor can be normally started in a low-temperature environment.

Description

Integrated busbar, motor controller, motor assembly and vehicle

Technical Field

The utility model relates to the technical field of vehicles, in particular to an integrated busbar, a motor controller, a motor assembly and a vehicle.

Background

In the prior art, as the requirements of the use functions of the electric automobile are more and more, the volume and the weight of a motor controller for controlling the motor of the electric automobile are gradually increased, and the internal space of the motor controller is more and more compact, so that the assembly difficulty is improved, the requirement of lightweight design cannot be met, larger installation space is occupied, and the space utilization rate of the whole automobile is reduced.

The existing electric automobile has the problem of difficult starting in a low-temperature environment, and the existing motor controller has the defect of lacking in a motor heating function and can not effectively heat a motor;

For example, patent publication No. CN218241996U discloses a battery self-heating device and a vehicle with the same, and a heating wire is arranged between a star point (junction point) of a three-phase winding of a motor and an intermediate equipotential point of two serially connected sub-battery packs to realize alternate charge and discharge between the two serially connected sub-battery packs, so as to realize a self-heating function of the battery packs; in the related art, the heating wire is a wire harness arranged outside the motor controller, the fixing is difficult, and the connection reliability is not high.

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 aims at providing an integrated busbar which can heat a motor.

According to an embodiment of the utility model, an integrated busbar for a motor assembly, the integrated busbar comprising: the heating device comprises a first conductive bar, a second conductive bar, a heating conductive bar and a protective shell; the heating conducting bar is suitable for being connected with a motor; the protective housing is an integral piece, and is fixed in the injection molding of the surface of first electrically conductive row, the surface of second electrically conductive row and the surface of heating electrically conductive row.

According to the integrated busbar provided by the embodiment of the utility model, the heating conducting bar is connected with the motor, so that the motor can be heated, and the motor can be normally started in a low-temperature environment.

In addition, the integrated busbar according to the utility model may also have the following additional technical features:

In some embodiments, the first conductive strip includes a first connection end and a second connection end, the second connection end having three first connections; the second conductive bar comprises a third connecting end and a fourth connecting end, and the fourth connecting end is provided with three second connecting parts; the heating conducting bar comprises a fifth connecting end and a sixth connecting end, wherein the sixth connecting end is provided with a third connecting portion which is suitable for being connected with the motor, the third connecting portion is located at the middle positions of the three first connecting portions, and the third connecting portion is also located at the middle positions of the three second connecting portions.

In some embodiments, three of the first connection portions and three of the second connection portions are each disposed at intervals along the circumference of the third connection portion.

In some embodiments, the second connection end, the fourth connection end, and the sixth connection end are stacked in order.

In some embodiments, at least one of the first connection end and the third connection end is provided with a connection post, and the periphery of the connection post is sleeved with a magnetism collecting magnet, and the magnetism collecting magnet is fixedly connected with the protective shell.

The utility model also provides a motor controller with the embodiment.

According to an embodiment of the present utility model, a motor controller includes: the integrated busbar of the embodiment can heat the motor by arranging the integrated busbar of the embodiment, so that the motor can be started normally in a low-temperature environment.

In some embodiments, the motor controller further comprises a control board having an induction sensor mounted thereon; the inductive sensor and the magnetic focusing magnet cooperate to detect a current on the first conductive bar.

In some embodiments, the magnetism collecting magnet is in a U shape surrounding the outer periphery of the connecting column, and the induction sensor is located at an opening of the magnetism collecting magnet in the U shape.

In some embodiments, the protective housing has a mounting post extending toward the control board, the control board is provided with a mounting hole opposite to the mounting post, and the fixing member is fixedly connected with the mounting post through the mounting hole.

In some embodiments, the protective case further has a support portion extending toward the control board thereon, the support portion being for restricting a relative position between the integrated busbar and the control board in a direction from the protective case to the control board.

In some embodiments, the magnetism collecting magnet is located within the support.

In some embodiments, the motor controller further includes a partition plate, a side of the control board facing the integrated busbar is a first side, and the partition plate is fixed on the first side of the control board.

In some embodiments, the integrated busbar is located on a side of the isolation board facing away from the control board, and a window is provided on the isolation board, and the window is opposite to the magnetism collecting magnet.

In some embodiments, the inductive sensor is mounted on the first side and is located at a position of the first side corresponding to the window.

In some embodiments, the window is sized larger than the inductive sensor to allow at least a portion of the inductive sensor to pass through the window.

In some embodiments, the spacer is a plastic piece.

In some embodiments, the isolation board is provided with at least one accommodating groove, and the control board comprises a board body and components arranged on the board body, wherein the components are fixed in the accommodating groove.

The utility model also provides a motor assembly with the embodiment.

The motor assembly comprises the motor controller and the motor, wherein the motor comprises a three-phase winding, and a first end of the three-phase winding is connected to a junction end; the motor controller comprises a capacitor, the capacitor comprises a first wiring terminal and a second wiring terminal, the first conductive bar comprises a first connecting end and a second connecting end, the first connecting end is suitable for being connected with an external power supply, and the second connecting end is connected with the first wiring terminal; the second conductive bar comprises a third connecting end and a fourth connecting end, the third connecting end is suitable for being connected with an external power supply, and the fourth connecting end is connected with the second wiring terminal; the heating conducting bar comprises a fifth connecting end and a sixth connecting end, the sixth connecting end is connected with the junction end, and the fifth connecting end is suitable for being connected to an equipotential point of an external power supply; the external power supply comprises two serially connected sub-power supplies, and the equipotential point of the external power supply refers to any position point in the middle of the two serially connected sub-power supplies. By arranging the motor controller of the embodiment, the running stability and the anti-interference capability of the motor assembly can be improved.

In some embodiments, the motor controller is disposed at one axial end of the motor.

The utility model also provides a vehicle with the embodiment.

According to the vehicle provided by the embodiment of the utility model, the motor assembly comprises the motor assembly, and the reliability and the safety of the whole vehicle can be improved by arranging the motor assembly.

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

Fig. 1 is an exploded view of a motor controller (part) according to an embodiment of the present utility model;

FIG. 2 is a top view of an integrated busbar (without heating conductor bars) of a motor controller according to an embodiment of the utility model;

Fig. 3 is a top view of an integrated busbar (without heating conductor bars) and protective shell of a motor controller according to an embodiment of the utility model;

fig. 4 is a bottom view of an integrated busbar (without heating conductor bars) and protective shell of a motor controller according to an embodiment of the utility model;

FIG. 5 is a schematic diagram of an integrated busbar (containing heating conductor bars) of a motor controller according to an embodiment of the utility model;

Fig. 6 is a schematic diagram of an integrated busbar (containing a heating conductor bar) and protective shell of a motor controller according to an embodiment of the utility model;

fig. 7 is a bottom view of an integrated busbar (including a heating conductor bar) and protective case of a motor controller according to an embodiment of the present utility model;

Fig. 8 is a front view of a control board of the motor controller according to the embodiment of the present utility model;

fig. 9 is a rear view of a control board of the motor controller according to an embodiment of the present utility model;

Fig. 10 is a front view of a partition plate of a motor controller according to an embodiment of the present utility model;

Fig. 11 is a rear view of a separator plate of a motor controller according to an embodiment of the present utility model;

fig. 12 is a schematic view of a separator (first view angle) of a motor controller according to an embodiment of the present utility model;

Fig. 13 is a schematic view of a barrier plate (second view angle) of a motor controller according to an embodiment of the present utility model;

FIG. 14 is an assembly view of a separator plate and an integrated busbar of a motor controller according to an embodiment of the present utility model;

Fig. 15 is an assembly view of a partition plate and a control plate (first view angle) of a motor controller according to an embodiment of the present utility model;

fig. 16 is an assembly view of a partition plate and a control plate (second view angle) of a motor controller according to an embodiment of the present utility model;

fig. 17 is an assembly view of a partition plate and a control plate (third view angle) of a motor controller according to an embodiment of the present utility model;

Fig. 18 is an assembly view of an integrated busbar, separator plate and control board of a motor controller according to an embodiment of the present utility model;

FIG. 19 is a cross-sectional view taken along line A-A of FIG. 18;

FIG. 20 is an exploded view of an integrated busbar, cover plate and transfer integrated row of motor controllers according to an embodiment of the present utility model;

FIG. 21 is a schematic diagram of a filter of a motor controller according to an embodiment of the utility model;

fig. 22 is an assembly view of an integrated busbar, cover plate and transfer integrated row (first view angle) of a motor controller according to an embodiment of the present utility model;

fig. 23 is an assembly view of an integrated busbar, cover plate and transfer integrated row (second view angle) of a motor controller according to an embodiment of the present utility model;

Fig. 24 is an assembly view of an integrated busbar, cover plate and transfer integrated row (third view angle) of a motor controller according to an embodiment of the present utility model;

Fig. 25 is an assembly view of an integrated busbar, cover plate and transfer integrated row (fourth view angle) of a motor controller according to an embodiment of the present utility model;

Fig. 26 is an exploded view of a third conductive bar, a fourth conductive bar, and a magnetic ring of a motor controller according to an embodiment of the present utility model;

Fig. 27 is an assembly view of a third conductive bar, a fourth conductive bar, and a magnetic ring (first view) of a motor controller according to an embodiment of the present utility model;

fig. 28 is an assembly view of a third conductive bar, a fourth conductive bar, and a magnetic ring (second view) of a motor controller according to an embodiment of the present utility model;

Fig. 29 is an assembly view of a third conductive strip, a fourth conductive strip, a magnetic ring, and a switch housing of a motor controller according to an embodiment of the present utility model;

FIG. 30 is a front view of the capacitance of a motor controller according to an embodiment of the present utility model;

FIG. 31 is an exploded view of the capacitance of a motor controller according to an embodiment of the present utility model;

Fig. 32 is an assembly view of a motor controller (first view angle) according to an embodiment of the present utility model;

fig. 33 is an assembly view of a motor controller (second view angle) according to an embodiment of the present utility model;

Fig. 34 is an assembly view of a motor controller (third view angle) according to an embodiment of the present utility model;

fig. 35 is a circuit diagram of a prior art battery self-heating device.

Reference numerals:

100. integrating the busbar assembly; 200. a motor controller;

1. a control board; 11. an inductive sensor; 12. a mounting hole; 13. a plate body; 14. a through hole; 15. a component;

2. An integrated busbar; 21. a first conductive bar; 22. a second conductive bar; 23. a connecting column; 24. a magnetism collecting magnet; 25. heating the conductive bars; 211. a first bus bar wiring section; 212. a first wiring portion; 213. a first connection portion; 221. a second bus bar wiring section; 222. a second wiring section; 223. a second connecting portion; 231. a first connection post; 232. a second connection post; 233. a third connecting column; 251. a third connecting portion;

3. A protective shell; 31. a mounting column; 32. a support part;

4. A partition plate; 41. a receiving groove;

51. A cover; 511. a groove; 5111. mounting through holes; 5112. a communication hole; 51111. a first through hole; 51112. a second through hole;

6. A capacitor; 61. a capacitor body; 62. a terminal; 611. a capacitor core; 612. a capacitor housing; 621. a first terminal; 622. a second terminal;

7. switching the integrated row; 71. a third conductive bar; 72. a fourth conductive bar; 73. a transfer housing; 74. a magnetic ring; 75. a filter; 741. a first magnetic ring; 742. a second magnetic ring; 751. a filter capacitor; 752. a circuit board; 753. a first filtering conductive bar; 754. a second filtering conductive bar; 7531. a first connection end; 7541. a second connection end;

8. A driving plate; 9. an electric control shell.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

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.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The integrated busbar 2 according to an embodiment of the present utility model is described below with reference to fig. 1 to 34.

As shown in fig. 1 to 34, an integrated busbar 2 according to an embodiment of the present utility model, which is used for a motor assembly including a motor and a motor controller 200, the motor controller 200 including a capacitor 6, the capacitor 6 having a first terminal 621 and a second terminal 622, the integrated busbar 2 comprising: a first conductive bar 21, a second conductive bar 22, a heating conductive bar 25 and a protective housing 3; the first conductive bar 21 is connected to the first terminal 621; the second conductive strip 22 is connected to the second terminal 622; the heating conductor 25 is adapted to be connected to an electric motor; the protective shell 3 is an integral piece and is fixed to the outer surface of the first conductive bar 21, the outer surface of the second conductive bar 22 and the injection-molded piece of the outer surface of the heating conductive bar 25.

In the present embodiment, the motor controller 200 is used to control the motor operation; the capacitor 6 can filter stray inductance in the motor controller 200, so that the overall power consumption of the motor controller 200 is reduced; the integrated busbar 2 can transmit current to the capacitor 6, so that the capacitor 6 filters stray inductance in the current; the first conductive strip 21 and the second conductive strip 22 of the integrated busbar 2 are respectively connected with the first terminal 621 and the second terminal 622 of the capacitor 6, so that the integrated busbar 2 is electrically connected with the capacitor 6, the heating conductive strip 25 can be connected with a motor to heat the motor, so that the temperature of the motor can be quickly increased in a low-temperature environment, the motor can reach an optimal working state, and the motor is prevented from being damaged after being started or unable to be started in the low-temperature environment.

Further, the protection shell 3 can effectively protect the first conductive bar 21, the second conductive bar 22 and the heating conductive bar 25, prevent external impact or interference from damaging the first conductive bar 21, the second conductive bar 22 and the heating conductive bar 25, and effectively improve the overall safety performance of the integrated busbar 2.

According to the integrated busbar 2 in the above embodiment, the heating conducting bar 25 is connected with the motor, so that the motor can be heated, and the motor can be normally started in a low-temperature environment.

In one embodiment of the present utility model, as shown in fig. 1 to 34, the first conductive bar 21 includes a first connection terminal and a second connection terminal, the second connection terminal having three first connection portions 213 connected to the first connection terminal 621, the three first connection portions 213 constituting the first connection portion 212; the second conductive bar 22 includes a third connection terminal and a fourth connection terminal, the fourth connection terminal having three second connection portions 223 connected to the second connection terminal 622, the three second connection portions 223 constituting the second connection portion 222; the heating conductive bar 25 includes a fifth connection end and a sixth connection end, the sixth connection end has a third connection portion 251 connected to the motor, wherein the third connection portion 251 is located at a middle position of the three first connection portions 213, and the third connection portion 251 is also located at a middle position of the three second connection portions 223.

As shown in fig. 20 to 25, for example, the motor controller 200 further includes a switching integration bar 7, where the switching integration bar 7 includes a third conductive bar 71 and a fourth conductive bar 72, and the switching integration bar 7 is capable of transmitting current to the integration busbar 2, where a first connection end of the first conductive bar 21 has a first bus bar connection portion 211, the third conductive bar 71 is connected to the first bus bar connection portion 211, a third connection end of the second conductive bar 22 has a second bus bar connection portion 221, and the fourth conductive bar 72 is connected to the second bus bar connection portion 221.

Further, the first connection portion 213 and the second connection portion 223 are connection holes, wherein three connection holes on the first conductive strip 21 are arranged in a triangle, and three connection holes on the second conductive strip 22 are also arranged in a triangle, so that connection stability between the first conductive strip 21 and the first terminal 621, and between the second conductive strip 22 and the second terminal 622 can be improved; in addition, the three first connection parts 213 and the three second connection parts 223 arranged in a triangle are arranged in a staggered manner up and down, so that interference between the first connection parts 213 and the second connection parts 223 can be prevented from affecting assembly.

Still further, the third connecting portion 251 is also a connecting hole and is located at the middle positions of the three first connecting portions 213 and the three second connecting portions 223, and meanwhile, avoidance holes are formed at the middle positions of the three first connecting portions 213 and the middle positions of the three second connecting portions 223, so that the fixing member passes through, and the heating conducting bar 25 and the motor are connected.

In one embodiment of the present utility model, as shown in fig. 1 to 34, the three first connection parts 213 and the three second connection parts 223 are each disposed at intervals along the circumference of the third connection part 251; for example, as shown in fig. 5 to 7, the three first connection portions 213 and the three second connection portions 223 are arranged in a triangular shape along the circumferential direction of the third connection portion 251, and the first connection portions 213 and the second connection portions 223 are staggered from each other in the up-down direction, so that interference between each other is avoided, and assembly is affected; the first connection part 213 and the second connection part 223 are connection holes through which the connection holes pass by using a fixing member to connect the integrated busbar 2 with the switching integrated busbar 7.

In one embodiment of the present utility model, as shown in fig. 1 to 34, the first conductive strip 21, the second conductive strip 22 and the heating conductive strip 25 are sequentially stacked in the axial direction of the motor, for example, as shown in fig. 5 to 7, the second connection end, the fourth connection end and the sixth connection end are sequentially stacked, so that the arrangement manner is convenient for assembly, occupation of the transverse installation space of the first conductive strip 21, the second conductive strip 22 and the heating conductive strip 25 in the motor controller 200 can be effectively reduced, the longitudinal installation space of the motor controller 200 can be fully utilized, and the space utilization rate can be improved.

In one embodiment of the present utility model, as shown in fig. 1 to 34, at least one of the first connection end and the third connection end is provided with a connection post 23, the outer circumference of the connection post 23 is sleeved with a magnetism collecting magnet 24, and the magnetism collecting magnet 24 is fixedly connected with the protective housing 3. In this embodiment, the connection post 23 can be disposed on the first conductive bar 21 or the second conductive bar 22, and the connection posts 23 can also be disposed on both the first conductive bar 21 and the second conductive bar 22, wherein the connection posts 23 are disposed at the first connection end of the first conductive bar 21 and/or the second connection end of the second conductive bar 22; the magnetic focusing magnet 24 is sleeved on the circumference of the connecting post 23, so that the magnetic focusing magnet 24 is electrically connected with the first conductive row 21 and/or the second conductive row 22 through the connecting post 23, and thus, when the current on the first conductive row 21 or the second conductive row 22 is transmitted to the magnetic focusing magnet 24, the magnetic focusing magnet 24 can generate a magnetic field, so that the induction sensor 11 in the motor controller 200 positioned in the magnetic field monitors the magnitude of the current through the magnetic field generated by the magnetic focusing magnet 24; the protective case 3 can fix the magnetism collecting magnet 24 and prevent the magnetism collecting magnet 24 from falling off.

The present utility model also proposes a motor controller 100 having the above-described embodiment.

The motor controller 100 according to the embodiment of the present utility model is used for a motor controller 200, and the motor controller 100 includes: a control board 1 and the integrated busbar 2 of the above embodiment; the control panel 1 is provided with an induction sensor 11; the integrated busbar 2 is located at one side of the control board 1, at least one of the first conductive bar 21 and the second conductive bar 22 is provided with a connection post 23, a magnetism collecting magnet 24 electrically connected with the first conductive bar 21 or the second conductive bar 22 is arranged on the connection post 23, and the induction sensor 11 and the magnetism collecting magnet 24 are matched for detecting current on the first conductive bar 21 or the second conductive bar 22.

In this embodiment, the induction sensor 11 is used for monitoring the induction current in the magnetic field of the magnetism collecting magnet 24, wherein the induction sensor 11 is integrated on the control board 1, when the control board 1 is assembled with the integrated busbar 2, the induction sensor 11 on the control board 1 can be directly arranged in the magnetic field center area of the magnetism collecting magnet 24, thus, the induction sensor 11 does not need to be separately installed, so that the whole assembly process of the motor controller 200 is optimized, the assembly time is saved, and the assembly efficiency is improved.

Further, the integrated busbar 2 is used for current transmission, wherein the integrated busbar 2 is provided with a connection post 23, the connection post 23 can be arranged on the first conductive busbar 21 or the second conductive busbar 22 of the integrated busbar 2, the connection post 23 can connect the magnetism collecting magnet 24 and the first conductive busbar 21 or connect the magnetism collecting magnet 24 and the second conductive busbar 22, so that the magnetism collecting magnet 24 can be electrically connected with the first conductive busbar 21 or the second conductive busbar 22, when the current on the first conductive busbar 21 or the second conductive busbar 22 is transmitted to the magnetism collecting magnet 24, the magnetism collecting magnet 24 can form a magnetic field, at this time, the induction sensor 11 located in the central area of the magnetic field can effectively monitor the induction current in the magnetic field, and thus the monitoring structure formed by the magnetism collecting magnet 24 and the induction sensor 11 is simpler and more practical and is convenient to assemble.

According to the motor controller 100 in the above-described embodiment, by integrating the induction sensor 11 on the control board 1 of the motor controller 100, the overall assembly process of the motor controller 200 can be improved, the assembly time can be saved, and the assembly efficiency can be improved; the induction sensor 11 is arranged in the magnetic field center area of the magnetism collecting magnet 24 so as to monitor the induction current in the magnetic field, and the induction sensor is simple and practical in structure and convenient to assemble.

In one embodiment of the present utility model, as shown in fig. 1 to 34, the connection post 23 is cylindrical, and the magnetism collecting magnet 24 surrounds the outer circumferential side of the connection post 23. In the present embodiment, the columnar connecting column 23 has high structural strength and is not easy to deform; the magnetism collecting magnet 24 is arranged on the outer peripheral side of the connecting post 23 in a surrounding manner, so that the contact area between the magnetism collecting magnet 24 and the connecting post 23 can be effectively increased, and the stability of electric connection between the magnetism collecting magnet 24 and the connecting post 23 is ensured.

In one embodiment of the present utility model, as shown in fig. 1 to 34, the magnetism collecting magnet 24 is U-shaped around the outer peripheral side of the connection post 23, and the induction sensor 11 is located at the opening of the U-shaped magnetism collecting magnet 24; in the embodiment, the U-shaped design is convenient for matching the magnetism collecting magnet 24 with the outer peripheral side of the cylindrical connecting column 23, is convenient for assembly, has simple and reliable structure, and is convenient for placing and monitoring the induction sensor 11; the induction sensor 11 positioned at the opening of the U-shaped magnetism collecting magnet 24 can sense the current in the magnetic field more quickly, and the response speed is higher.

In some embodiments, such as shown in fig. 3, the magnetically concentrated magnet 24 is injection molded within the protective shell.

In one embodiment of the present utility model, as shown in fig. 1 to 34, the protective case 3 has a mounting post 31 extending toward the control board 1, the control board 1 is provided with a mounting hole 12 opposite to the mounting post 31, and the fixing member is fixedly connected to the mounting post 31 through the mounting hole 12. For example, as shown in fig. 3, the 2 mounting posts 31,2 extending toward the control board 1 are provided on the protective housing 3, so that the connection strength between the mounting posts 31 and the control board 1 can be effectively increased, and meanwhile, the connection stability of the whole motor controller 100 is also increased.

In a specific embodiment of the present utility model, as shown in fig. 1 to 34, the protective case 3 further has a supporting portion 32 extending toward the control board 1, and the supporting portion 32 is used to limit the relative position between the integrated busbar 2 and the control board 1 in the direction from the protective case 3 to the control board 1. For example, as shown in fig. 3, the supporting portion 32 is a U-shaped boss protruding toward the control board 1, when the protective housing 3 is connected to the control board 1, the U-shaped boss having a certain thickness can limit the relative position between the integrated busbar 2 and the control board 1, so that not only interference between the integrated busbar 2 and the control board 1 is prevented, but also damage to the control board 1 caused by impact of the integrated busbar 2 to the control board 1 when external impact is applied.

Further, the magnetism collecting magnet 24 is located in the supporting portion 32, and the supporting portion 32 can effectively protect the magnetism collecting magnet 24.

In one embodiment of the present utility model, as shown in fig. 1 to 34, the motor controller 100 further includes a partition plate 4, and a side of the control board 1 facing the integrated busbar 2 is a first side, and the partition plate 4 is fixed to the first side of the control board 1. In this embodiment, the isolation board 4 is connected with the control board 1 as a whole, and the isolation board 4 can separate the control board 1 and the integrated busbar 2, so as to avoid line interference and short circuit between the two, and improve the overall safety performance of the motor controller 200.

In some embodiments, the isolation board 4 is a plastic piece, and can play a role of insulation and isolation.

In one embodiment of the present utility model, an adhesive member for fixedly connecting the partition plate 4 and the control board 1 is provided between them to ensure the connection stability between the partition plate 4 and the control board 1 and prevent the partition plate 4 from falling off.

In one embodiment of the present utility model, as shown in fig. 1 to 34, the integrated busbar 2 is located on the side of the isolation board 4 facing away from the control board 1, and a window is provided on the isolation board 4, the window being opposite to the magnetism collecting magnet 24; the induction sensor 11 is installed on the first side and located at a position corresponding to the window on the first side, so that when the integrated busbar 2 is assembled with the control board 1, the induction sensor 11 located at the window can be directly arranged in the magnetic field center area of the magnetism collecting magnet 24, the assembly process is optimized, and the assembly efficiency is improved.

In one embodiment of the present utility model, as shown in fig. 1 to 34, the size of the window is larger than the size of the induction sensor 11 to allow at least part of the induction sensor 11 to pass through the window, so that the induction sensor 11 can extend into the magnetic field center region of the magnetism collecting magnet 24 partially through the window to monitor the induction current, thereby improving the accuracy of monitoring.

In one embodiment of the present utility model, as shown in fig. 1 to 34, at least one accommodating groove 41 is provided on the isolation board 4, the control board 1 includes a board body 13 and a component 15 provided on the board body 13, and the component 15 is fixed in the accommodating groove 41; in this embodiment, the setting of storage tank 41 can play the protection effectively to the components and parts 15 on the plate body 13 of control panel 1, prevents components and parts 15 from receiving the injury, simultaneously, the setting of storage tank 41 also make full use of the plate body 13 space of division board 4, has not only reduced the occupation of installation space, has improved space utilization moreover.

In one embodiment of the present utility model, as shown in fig. 1 to 34, the receiving groove 41 is opened toward the control board 1, and the component 15 is bonded to the groove bottom of the receiving groove 41 by the bonding member, so that the mounting stability of the component 15 on the board 13 of the control board 1 can be ensured, and the component 15 is prevented from falling off.

In one embodiment of the present utility model, as shown in fig. 1 to 34, the control board 1 is provided with a through hole 14, and the connection post 23 is penetrated in the through hole 14; when the connection post 23 is inserted into the through hole 14, the U-shaped support portion 32 abuts against the surface of the partition plate 4 in the circumferential direction of the through hole 14, and thus, when an external impact is applied, the integrated busbar 2 can be prevented from passing through the control board 1 through the through hole 14, and causing damage to the control board 1.

The present utility model also proposes a motor controller 200 having the above-described embodiment.

The motor controller 200 according to the embodiment of the present utility model includes: the motor controller 100 of the above embodiment, by setting the motor controller 100 of the above embodiment, can effectively improve the anti-interference capability of the motor controller 200 and improve the operation stability of the motor controller 200.

In an embodiment of the present utility model, as shown in fig. 1 to 34, the motor controller 200 is characterized by further comprising a capacitor 6 and a driving board 8, wherein the capacitor 6, the driving board 8 and the motor controller 100 are sequentially stacked along the axial direction of the motor, and in the up-down direction of the motor controller 200, the control board 1 and the isolation board 4 are electrically connected with the driving board 8 and the capacitor 6 through the integrated busbar 2, so that the design can effectively reduce the lateral occupation of the capacitor 6, the driving board 8 and the motor controller 100 to the installation space inside the motor controller 200, fully utilize the longitudinal space of the installation space inside the motor controller 200, and effectively reduce the overall volume of the motor controller 200, thereby reducing the occupation of the installation space inside the vehicle by the motor controller 200 and improving the space utilization.

In one embodiment of the present utility model, as shown in fig. 1 to 34, the motor controller 200 further includes: the transfer integrated row 7, the transfer integrated row 7 is arranged on the shell cover 51, and the transfer integrated row 7 comprises a third conductive row 71 and a fourth conductive row 72; the capacitor 6 comprises a capacitor body 61 and a terminal 62 connected to the capacitor body 61, the capacitor body 61 having a central hole, the terminal 62 comprising a first terminal 6211 and a second terminal 622, the first terminal 6211 and the second terminal 622 being located at the central hole, the capacitor body 61 comprising a capacitor core 6111 and a capacitor housing 612, wherein, in a projection plane perpendicular to the axis of the central hole, the first conductive row 21 and the second conductive row 22 are located in the projection of the capacitor body 61. For example, as shown in fig. 1, the first conductive strip 21 and the second conductive strip 22 of the integrated busbar 2 are both located in the electric control housing 9 and are both located in the projection of the capacitor body 61, meanwhile, the transfer integrated strip 7 is arranged on the housing cover 51, and the integrated busbar 2 and the transfer integrated strip 7 are connected and matched in the housing cover 51, so that the lengths of the first conductive strip 21 and the second conductive strip 22 are relatively short, occupation of the mounting space in the housing cover 51 by the first conductive strip 21 and the second conductive strip 22 is reduced, the whole volume of the motor controller 200 is reduced, meanwhile, under the premise of ensuring normal matching of the integrated busbar 2 and the transfer integrated strip 7, the assembly procedure is optimized, the assembly efficiency is improved, and in addition, deformation damage of the first conductive strip 21 and the second conductive strip 22 with relatively short lengths is not easy to occur, and the stability of connection can be effectively ensured.

In this embodiment, the capacitor 6 can filter stray inductance in the motor controller 200, so as to reduce overall power consumption of the motor controller 200; the drive plate 8 is used for controlling the motor.

In one embodiment of the present utility model, as shown in fig. 1 to 34, the motor controller 200 further includes: the electric control shell 9, the capacitor 6, the driving plate 8 and the motor controller 100 are all arranged in the electric control shell 9, and the shell cover 51 is arranged at the opening of the electric control shell 9 in a covering mode, wherein the motor controller 100 is located on one side, facing the end cover, of the driving plate 8. In this embodiment, the electronic control housing 9 and the cover 51 can protect the capacitor 6, the drive plate 8, and the motor controller 100 from damage to the capacitor 6, the drive plate 8, and the motor controller 100.

In some embodiments, the adapter integrated row 7 is disposed on the housing cover 51, so that the occupation of the internal space of the motor controller 200 by the adapter integrated row 7 can be reduced by mounting the adapter integrated row 7 on the housing cover 51, and the space utilization is improved.

In one embodiment of the present utility model, as shown in fig. 1 to 34, the cover 51 has a groove 511 opened away from the electric control housing 9, the switching integration row 7 is installed in the groove 511, the bottom surface of the groove 511 is provided with a through hole 14, the first conductive row 21 is provided with a first connection post 231, and the first connection post 231 passes through the through hole 14 to be connected with the third conductive row 71; the second conductive bar 22 is provided with a second connection post 232, and the second connection post 232 passes through the through hole 14 to be connected with the fourth conductive bar 72.

For example, as shown in fig. 20 to 25, in the up-down direction of the motor controller 200, the cover 51 has a recess 511 facing upward, the transfer integrated bar 7 is installed in the recess 511, the integrated bar 2 is installed below the cover 51, and the transfer integrated bar 7 and the integrated bar 2 are arranged up and down, wherein one end of the first conductive bar 21 near the transfer integrated bar 7 has a first bus bar connection portion 211, the first bus bar connection portion 211 is used for electrically connecting with a third conductive bar 71 of the transfer integrated bar 7, one end of the second conductive bar 22 near the transfer integrated bar 7 has a second bus bar connection portion 221, the second bus bar connection portion 221 is used for electrically connecting with a fourth conductive bar 72 of the transfer integrated bar 7, connection posts 23 are respectively arranged on the first conductive bar 21 and the second conductive bar 22 of the integrated bar 2, the connection posts 23 arranged on the first bus bar connection portion 211 are first connection posts 231, the connection posts 23 arranged on the second bus bar connection portion 221 are second connection posts 232, and the first connection posts 231 and the second connection posts 232 respectively penetrate through the bottom surfaces of the recess 511 and respectively connect with the third conductive bars 72 and the fourth conductive bars 72.

Further, the first connecting column 231 and the second connecting column 232 are all cylindrical, the first connecting column 231 and the second connecting column 232 of the columns are respectively provided with a first mounting hole 12 with an opening facing the shell cover 51, the third conducting bar 71 and the fourth conducting bar 72 of the switching integrated row 7 are respectively provided with a second mounting hole 12 matched with the first mounting hole 12, the second mounting holes 12, the through holes 14 and the first mounting holes 12 are vertically opposite, a fastener is used for penetrating the second mounting holes 12, the through holes 14 and the first mounting holes 12 in sequence, so that the switching integrated row 7, the shell cover 51 and the integrated busbar 2 are fixedly connected, the electric connection between the switching integrated row 7 and the integrated busbar 2 can be firmer due to the fastening force provided by the fastener, and the situation of disconnection can be effectively prevented.

In one embodiment of the present utility model, as shown in fig. 1 to 34, the through hole 14 includes a first through hole 51111 and a second through hole 51112, the first through hole 51111 is opposite to the first connection post 231, and the second through hole 51112 is opposite to the second connection post 232; in the present embodiment, the first connection post 231 and the second connection post 232 can be separated by using the design of the first through hole 51111 and the second through hole 51112, and thus, the shorting between the first connection post 231 and the second connection post 232 can be prevented, thereby reducing the potential safety hazard.

In one embodiment of the present utility model, as shown in fig. 1 to 34, the groove 511 extends toward the outer peripheral side of the cover 51, and a communication hole 5112 is configured in the outer peripheral wall of the cover 51, and the third conductive bar 71 and the fourth conductive bar 72 are adapted to protrude from the communication hole 5112. In this embodiment, the third conductive bar 71 and the fourth conductive bar 72 extending from the connection hole are used for connecting with the battery pack, so that the battery pack can convey the current to the switching integrated bar 7, and by adopting the design, the switching integrated bar 7 is integrated on the groove 511 of the cover 51, the space occupation of the switching integrated bar 7 is reduced, the space utilization rate is improved, and the normal connection between the switching integrated bar 7 and the battery pack is ensured.

In one embodiment of the present utility model, as shown in fig. 1 to 34, the switch integrated row 7 further includes a switch housing 73, and the switch housing 73 is an injection molded part integrally molded to the outer surfaces of the third conductive row 71 and the fourth conductive row 72. In the present embodiment, the adaptor housing 73 using the integral injection molding process is not only fast in production speed, high in efficiency, but also low in cost; the transfer shell 73, which is an injection molding piece, not only can effectively protect the third conductive bar 71 and the fourth conductive bar 72, but also can separate the third conductive bar 71 from the negative transfer copper so as to prevent the third conductive bar 71 and the negative transfer copper from being electrically connected with each other and play a role in insulation protection.

In one embodiment of the present utility model, as shown in fig. 1 to 34, the third conductive row 71 and the fourth conductive row 72 are stacked in the through housing 73 in the axial direction of the center hole. In this embodiment, the third conductive row 71 and the fourth conductive row 72 that are stacked can effectively reduce the occupation of the third conductive row 71 and the fourth conductive row 72 to the installation space inside the housing cover 51, thereby saving the installation space and improving the utilization rate of the space.

In one embodiment of the present utility model, as shown in fig. 1 to 34, the adaptor integrated row 7 further includes a magnetic ring 74 sleeved on the adaptor housing 73; in this embodiment, the magnetic ring 74 can strengthen the sensing amount of the magnetic ring 74, and enhance the overall electromagnetic compatibility of the motor controller 200, and meanwhile, as shown in fig. 20 to 25, for example, the switching integrated row 7 and the integrated busbar 2 are designed in an upper-lower lamination manner, so that the installation point of the magnetic ring 74 is close to the connection end of the switching integrated row 7 and the integrated busbar 2, thus, the magnetic circuit can be effectively shortened, the performance of the magnetic ring 74 is improved, and the electromagnetic compatibility of the motor controller 200 is further enhanced.

Further, the magnetic ring 74 is sleeved at the overlapping position of the third conductive row 71 and the fourth conductive row 72 of the switching integrated row 7, so that the volume of the magnetic ring 74 can be reduced, and the performance of the magnetic ring 74 can be further improved.

In a specific embodiment of the present utility model, as shown in fig. 1 to 34, the magnetic ring 74 includes a first magnetic ring 741 and a second magnetic ring 742, where the first magnetic ring 741 and the second magnetic ring 742 are connected end to form an annular magnetic ring 74, so that the installation and the matching of the magnetic ring 74 are facilitated, and the assembly efficiency of the magnetic ring 74 can be effectively improved.

In some embodiments, such as shown in fig. 26, the first magnetic loop 741 and the second magnetic loop 742 are both U-shaped magnetic loops 74.

In one embodiment of the present utility model, as shown in fig. 1 to 34, the patch panel 7 further includes a filter element 75, where the filter element 75 has a first connection end 7531 and a second connection end 7541, and the first connection end 7531 and the second connection end 7541 are connected to the third conductive row 71 and the fourth conductive row 72, respectively. In this embodiment, the filter 75 can filter the electrical signal flowing through the switching integration row 7 to remove the interference signal, so as to ensure the signal quality.

In one embodiment of the present utility model, as shown in fig. 1 to 34, the filter 75 includes two filter capacitors 7516 spaced apart from each other, a connection leg 23, a first filter conductive line 753, and a second filter conductive line 754, the connection leg 23 being connected between the two filter capacitors 7516, the first filter conductive line 753 having a first connection end 7511, the second filter conductive line 754 having a second connection end 7541; the connecting column 23 is a circuit board 752, the filter capacitors 7516 are two, the two filter capacitors 7516 are all installed on one side of the circuit board 752 facing the shell cover 51, a first filter conductive row 753 and a second filter conductive row 754 are arranged on the circuit board 752 in the direction facing the switching integrated row 7, and the first filter conductive row 753 and the second filter conductive row 754 respectively lead out a first connecting end 7531 and a second connecting end 7541 so as to be connected with a third conductive row 71 and a fourth conductive row 72 of the switching integrated row 7.

The utility model also provides a motor assembly with the embodiment.

The motor assembly according to the embodiment of the utility model comprises the motor controller 200 and the motor of the above embodiment, wherein the motor comprises a three-phase winding, and the first ends of the three-phase winding are connected at the junction ends; the motor controller comprises a capacitor 6, the capacitor 6 comprises a first terminal 621 and a second terminal 622, the first conductive bar 21 comprises a first connection end and a second connection end, the first connection end is suitable for being connected with an external power supply, and the second connection end is connected with the first terminal 621; the second conductive strip includes a third connection end and a fourth connection end, the third connection end is suitable for being connected with an external power supply, and the fourth connection end is connected with the second wiring terminal 622; the heating conductive bar 25 comprises a fifth connection end and a sixth connection end, the sixth connection end is connected with the junction end, and the fifth connection end is suitable for being connected to an equipotential point of an external power supply; the external power supply comprises two serially connected sub-power supplies, and the equipotential point of the external power supply refers to any position point in the middle of the two serially connected sub-power supplies. By providing the motor controller 200 of the above-described embodiment, the operation stability and the anti-interference capability of the motor assembly can be improved.

In some embodiments, such as shown in fig. 1, the motor controller 200 is disposed at one axial end of the motor.

The utility model also provides a vehicle with the embodiment.

According to the vehicle provided by the embodiment of the utility model, the motor assembly comprises the motor assembly, and the reliability and the safety of the whole vehicle can be improved by arranging the motor assembly.

Other configurations and operations of the integrated busbar 2, motor controller 200, motor assembly, and vehicle according to embodiments of the present utility model are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present specification, a description referring to terms "one embodiment," "some 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 present utility model. In this specification, schematic representations of the above terms are not necessarily directed 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. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

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 (20)

1. An integrated busbar for a motor assembly, the integrated busbar comprising:

a first conductive bar;

A second conductive bar;

a heating conductor bar adapted to be connected to a motor;

The protective housing, the protective housing is an organic whole piece, and is fixed in the surface of first electrically conductive row, the surface of second electrically conductive row and the injection molding of the surface of heating electrically conductive row.

2. The integrated busbar of claim 1, wherein,

The first conductive bar comprises a first connecting end and a second connecting end, and the second connecting end is provided with three first connecting parts;

The second conductive bar comprises a third connecting end and a fourth connecting end, and the fourth connecting end is provided with three second connecting parts;

The heating conductor bar comprises a fifth connection end and a sixth connection end, the sixth connection end is provided with a third connection part which is suitable for being connected with the motor, wherein,

The third connecting portions are located at the middle positions of the three first connecting portions, and the third connecting portions are located at the middle positions of the three second connecting portions.

3. The integrated busbar of claim 2, wherein three of the first connection portions and three of the second connection portions are each disposed at intervals along a circumference of the third connection portion.

4. The integrated busbar of claim 2, wherein the second connection end, the fourth connection end, and the sixth connection end are stacked in sequence.

5. The integrated busbar of claim 2, wherein at least one of the first connection end and the third connection end is provided with a connection post, and a magnetism collecting magnet is sleeved on the periphery of the connection post and fixedly connected with the protective shell.

6. A motor controller, comprising: the integrated busbar of any one of claims 1 to 5.

7. The motor controller of claim 6, further comprising a control board, the control board having an inductive sensor mounted thereon; the integrated busbar is the integrated busbar of claim 5, the inductive sensor and the magnetism gathering magnet cooperating for detecting current on the first conductive busbar.

8. The motor controller according to claim 7, wherein the magnetism collecting magnet is U-shaped around an outer peripheral side of the connection post, and the induction sensor is located at an opening of the U-shaped magnetism collecting magnet.

9. The motor controller according to claim 7, wherein the protective housing has a mounting post extending toward the control board, the control board is provided with a mounting hole opposite to the mounting post, and a fixing member is fixedly connected to the mounting post through the mounting hole.

10. The motor controller according to claim 9, further comprising a support portion extending toward the control board on the protective case, the support portion being configured to limit a relative position between the integrated busbar and the control board in a direction from the protective case to the control board.

11. The motor controller of claim 10 wherein the magnetically concentrated magnet is located within the support.

12. The motor controller of claim 7 further comprising a spacer plate, wherein a side of the control board facing the integrated busbar is a first side, and wherein the spacer plate is secured to the first side of the control board.

13. The motor controller of claim 12 wherein the integrated busbar is located on a side of the separator plate facing away from the control board, the separator plate being provided with a window, the window being opposite the concentrated magnet.

14. The motor controller of claim 13 wherein the inductive sensor is mounted on the first side and is located at a position of the first side corresponding to the window.

15. The motor controller of claim 14 wherein the window has a size that is larger than a size of the inductive sensor to allow at least a portion of the inductive sensor to pass through the window.

16. The motor controller of claim 12 wherein the separator is a plastic piece.

17. The motor controller of claim 12 wherein the separator plate has at least one receiving slot therein, and the control board includes a plate body and components disposed on the plate body, the components being secured within the receiving slot.

18. An electric motor assembly comprising an electric motor and the motor controller of any one of claims 6-17, the electric motor comprising a three-phase winding, first ends of the three-phase windings being connected in tandem;

The motor controller comprises a capacitor, the capacitor comprises a first wiring terminal and a second wiring terminal, the first conductive bar comprises a first connecting end and a second connecting end, the first connecting end is suitable for being connected with an external power supply, and the second connecting end is connected with the first wiring terminal;

the second conductive bar comprises a third connecting end and a fourth connecting end, the third connecting end is suitable for being connected with an external power supply, and the fourth connecting end is connected with the second wiring terminal;

the heating conductive bar comprises a fifth connecting end and a sixth connecting end, wherein the sixth connecting end is connected with the tandem end, and the fifth connecting end is suitable for being connected to an equipotential point of an external power supply.

19. The motor assembly of claim 18, wherein the motor controller is disposed at one axial end of the motor.

20. A vehicle comprising the electric machine assembly of claim 19.