Motor controller, motor assembly, electric assembly and vehicle

Abstract

The utility model discloses a motor controller, a motor assembly, an electric assembly and a vehicle, the motor controller comprises a control panel and a capacitor, the capacitor is arranged on one side of the control panel in the thickness direction, and the capacitor is provided with a first capacitor connecting column and a second capacitor connecting column. The capacitor comprises a capacitor body and a capacitor anode copper bar and a capacitor cathode copper bar which are arranged on the capacitor body, one end of the first capacitor connecting column is electrically connected with the capacitor anode copper bar, the other end of the first capacitor connecting column is electrically connected with the control panel, one end of the second capacitor connecting column is electrically connected with the capacitor cathode copper bar, and the other end of the second capacitor connecting column is electrically connected with the control panel. According to the motor controller provided by the embodiment of the utility model, the positive electrode and the negative electrode of the capacitor are directly connected with the control panel through the first capacitor connecting column and the second capacitor connecting column, so that the control panel can sample high-voltage signals of the capacitor, the high-voltage signal sampling mode of the control panel can be optimized, and the motor controller is relatively convenient to assemble.

Description

Technical Field

[0001] The utility model relates to the technical field of electric control, and in particular to a motor controller, a motor component, an electric assembly and a vehicle. Background Art

[0002] In the motor controller, the control board has a high-voltage signal sampling function. In the related art, the high-voltage signal sampling of the control board is generally performed by a connector + wiring harness, which makes the assembly of the motor controller inconvenient. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, one purpose of the utility model is to provide a motor controller, which is convenient to assemble by directly connecting the positive and negative electrodes of the capacitor and the control board through two capacitor connection columns.

[0004] The utility model also provides a motor component having the motor controller.

[0005] The utility model also provides an electric assembly having the motor component.

[0006] The utility model also provides a vehicle with the electric assembly.

[0007] According to the motor controller of the first aspect embodiment of the utility model, it includes: a control board; a capacitor, wherein the capacitor is arranged on one side of the control board in the thickness direction, and a first capacitor connecting column and a second capacitor connecting column are arranged on the capacitor, and the first capacitor connecting column and the second capacitor connecting column are both conductive parts, and the capacitor includes a capacitor body and a positive copper busbar and a negative copper busbar of the capacitor arranged on the capacitor body; wherein one end of the first capacitor connecting column is electrically connected to the positive copper busbar of the capacitor and the other end is electrically connected to the control board, and one end of the second capacitor connecting column is electrically connected to the negative copper busbar of the capacitor and the other end is electrically connected to the control board.

[0008] According to the motor controller of the embodiment of the utility model, by setting a first capacitor connecting column and a second capacitor connecting column on the capacitor, and directly connecting the positive and negative poles of the capacitor to the control board through the first capacitor connecting column and the second capacitor connecting column, the control board can sample the high-voltage signal of the capacitor, and the high-voltage signal sampling method of the control board can be optimized, making the assembly of the motor controller more convenient.

[0009] According to some embodiments of the present invention, one end of the first capacitor connecting column is welded to the positive copper busbar of the capacitor, and one end of the second capacitor connecting column is welded to the negative copper busbar of the capacitor.

[0010] According to some embodiments of the present invention, the other end of the first capacitor connecting column is connected to the control board via a first fastener, and the other end of the second capacitor connecting column is connected to the control board via a second fastener.

[0011] According to some embodiments of the utility model, the positive copper bar of the capacitor includes a positive copper bar body and three positive connection terminals connected to the positive copper bar body, and the three positive connection terminals are evenly distributed along the circumference of the capacitor body; the negative copper bar of the capacitor includes a negative copper bar body and three negative connection terminals connected to the negative copper bar body, and the three negative connection terminals are evenly distributed along the circumference of the capacitor body, and the three positive connection terminals and the three negative connection terminals correspond to each other one by one and are adjacently arranged; wherein, one end of the first capacitor connection column is connected to the positive copper bar body, and one end of the second capacitor connection column is connected to the negative copper bar body.

[0012] According to some embodiments of the utility model, the capacitor body includes a capacitor housing and a plurality of capacitor cores, the plurality of capacitor cores are arranged in the capacitor housing, the capacitor housing is an insulating member, the capacitor positive copper bar and the capacitor negative copper bar are both arranged in the capacitor housing; a third capacitor connecting column is also provided on the capacitor, one end of the third capacitor connecting column is connected to the capacitor housing and the other end is connected to the control board.

[0013] According to some optional embodiments of the present utility model, one end of the third capacitor connecting column is integrally injection-molded with the capacitor housing; the other end of the third capacitor connecting column is connected to the control board via a third fastener.

[0014] According to some optional embodiments of the present invention, the first capacitor connecting column, the second capacitor connecting column and the third capacitor connecting column are arranged at intervals along the circumference of the capacitor.

[0015] According to some embodiments of the utility model, the motor controller includes a shell, the control board and the capacitor are both arranged in the shell, the shell includes a fixing plate, the fixing plate is located on a side of the capacitor away from the control board, a support column is provided on the fixing plate, the support column passes through the capacitor, one end of the support column is connected to the fixing plate and the other end is connected to the control board.

[0016] According to some optional embodiments of the present invention, there are multiple support columns, and the multiple support columns are arranged at intervals along the circumference of the fixing plate.

[0017] According to some embodiments of the utility model, the motor controller also includes a drive board, which is located between the control board and the capacitor, and the first capacitor connecting column and the second capacitor connecting column are both passed through the drive board and electrically connected to the control board.

[0018] According to some optional embodiments of the utility model, the motor controller also includes an isolation plate, which is arranged between the drive board and the control board, and the first capacitor connecting column and the second capacitor connecting column are both passed through the drive board and the isolation plate and are electrically connected to the control board.

[0019] According to some optional embodiments of the utility model, the motor controller includes a shell, the control board, the capacitor and the drive board are all arranged in the shell, the shell includes a fixing plate, the fixing plate is located on the side of the capacitor away from the control board, the fixing plate is provided with a mounting port, the motor controller also includes a three-phase connecting component, the three-phase connecting component is installed in the mounting port, the capacitor is provided with a accommodating hole, the accommodating hole is arranged opposite to the mounting port, at least part of the three-phase connecting component is accommodated in the accommodating hole and the three-phase connecting component is electrically connected to the drive board, and the three-phase connecting component is used to connect the motor controller with the motor winding.

[0020] According to some optional embodiments of the present invention, the capacitor also includes three single-phase AC copper busbars, which are arranged on the capacitor body and are arranged at intervals along the circumference of the capacitor body, each of the single-phase AC copper busbars includes a single-phase copper busbar body, a single-phase connection terminal and a single-phase connection pin, the single-phase connection terminal and the single-phase connection pin are both connected to the single-phase copper busbar body, the single-phase connection pin is electrically connected to the driving board, and the single-phase connection terminals of the three single-phase AC copper busbars are electrically connected to the three single-phase connectors of the three-phase connecting component.

[0021] The motor assembly according to the second aspect of the present invention comprises: a motor; and a motor controller according to the first aspect of the present invention, wherein the motor controller is disposed at one axial end of the motor.

[0022] According to the motor assembly of the embodiment of the utility model, through the above-mentioned motor controller, by setting a first capacitor connecting column and a second capacitor connecting column on the capacitor of the motor controller, and directly connecting the positive and negative poles of the capacitor with the control board through the first capacitor connecting column and the second capacitor connecting column, the control board can sample the high-voltage signal of the capacitor, and the high-voltage signal sampling method of the control board can be optimized, making the assembly of the motor controller more convenient.

[0023] The electric assembly according to the embodiment of the third aspect of the utility model includes: the motor assembly according to the embodiment of the second aspect of the utility model.

[0024] According to the electric assembly of the embodiment of the utility model, by providing the above-mentioned motor assembly, the motor controller of the motor assembly can optimize the high-voltage signal sampling method of the control board, making the assembly of the motor controller more convenient.

[0025] A vehicle according to an embodiment of the fourth aspect of the utility model includes: an electric assembly according to an embodiment of the third aspect of the utility model.

[0026] According to the vehicle of the embodiment of the utility model, by setting the above-mentioned electric assembly, the electric assembly includes a motor component, and the motor controller of the motor component can optimize the high-voltage signal sampling method of the control board, so that the assembly of the motor controller is more convenient.

[0027] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0029] Figure 1 is a partial schematic diagram of a motor assembly according to some embodiments of the utility model;

[0030] Figure 2 yes Figure 1 An exploded view of a motor controller for a motor assembly in FIG.

[0031] Figure 3 yes Figure 2 A three-dimensional diagram of the capacitor in;

[0032] Figure 4 yes Figure 3 Top view of the capacitor;

[0033] Figure 5 is along Figure 4 Sectional view along line AA;

[0034] Figure 6 yes Figure 3 Exploded diagram of the capacitor;

[0035] Figure 7 yes Figure 2 A perspective view of a control panel in FIG.

[0036] Figure 8 yes Figure 2 A three-dimensional diagram of a drive plate in FIG.

[0037] Fig. 9 yes Figure 2 A perspective view of a partition board in FIG.

[0038] Fig.10 yes Figure 2 A three-dimensional view of a DC injection molded part;

[0039] Fig.11 It is a partial schematic diagram of a motor assembly according to other embodiments of the utility model.

[0040] Reference numerals:

[0041] 100. Motor controller;

[0042] 20. Control panel; 25. Connector; 26. Third avoidance hole; 27. Second fixing hole; 28. Connection hole;

[0043] 30, isolation plate; 35, first avoidance hole; 36, second avoidance hole; 37, first fixing hole; 38, second penetration hole;

[0044] 40. driving plate; 41. first penetration hole;

[0045] 50. DC injection molded parts; 51. Positive electrode connector; 52. DC busbar copper bar; 53. Injection molding layer; 54. Fixing column; 55. Negative electrode connector;

[0046] 60, capacitor; 60a, capacitor body; 601, capacitor shell; 602, capacitor core; 603, glue filling layer; 61, capacitor positive copper bar; 62, positive copper bar body; 62a, positive connection pin; 63, positive connection terminal; 64, capacitor negative copper bar; 65, negative copper bar body; 65a, negative connection pin; 66, negative connection terminal; 67, single-phase AC copper bar; 671, single-phase copper bar body; 672, single-phase connection terminal; 673, single-phase connection pin; 68, receiving hole;

[0047] 691, a first capacitor connection column; 692, a second capacitor connection column; 693, a third capacitor connection column;

[0048] 70. Shell; 71. Shell body; 72. Fixing plate; 73. Mounting port; 74. Support column. DETAILED DESCRIPTION

[0049] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0050] Reference below Figure 1-Figure 11 A motor controller 100 according to an embodiment of the present invention is described.

[0051] Reference Figure 1-Figure 6 According to the first aspect of the present utility model, the motor controller 100 includes: a control board 20 and a capacitor 60.

[0052] The capacitor 60 is disposed on one side in the thickness direction of the control board 20. The capacitor 60 is provided with a first capacitor connection column 691 and a second capacitor connection column 692. The first capacitor connection column 691 and the second capacitor connection column 692 are both conductive parts, for example, the first capacitor connection column 691 and the second capacitor connection column 692 can be copper parts. The capacitor 60 includes a capacitor body 60a and a capacitor positive copper bar 61 and a capacitor negative copper bar 64 disposed on the capacitor body 60a.

[0053] Among them, one end of the first capacitor connecting column 691 is electrically connected to the capacitor positive copper bar 61, and the other end of the first capacitor connecting column 691 is electrically connected to the control board 20, and the first capacitor connecting column 691 can collect the signal of the capacitor positive copper bar 61; one end of the second capacitor connecting column 692 is electrically connected to the capacitor negative copper bar 64, and the other end of the second capacitor connecting column 692 is electrically connected to the control board 20, and the second capacitor connecting column 692 can collect the signal of the capacitor negative copper bar 64. By collecting the signal of the capacitor positive copper bar 61 by the first capacitor connecting column 691 and the signal of the capacitor negative copper bar 64 by the second capacitor connecting column 692, the control board 20 can sample the high-voltage signal of the capacitor 60.

[0054] In the present invention, a first capacitor connecting column 691 connected to the positive copper bus bar 61 of the capacitor 60 is provided on the capacitor 60, and the first capacitor connecting column 691 is directly connected to the control board 20; a second capacitor connecting column 692 connected to the negative copper bus bar 64 of the capacitor 60 is provided on the capacitor 60, and the second capacitor connecting column 692 is directly connected to the control board 20. In this way, the positive and negative electrodes of the capacitor 60 are directly connected to the control board 20 through the first capacitor connecting column 691 and the second capacitor connecting column 692. Compared with the method of using a connector + wiring harness to realize high-voltage signal sampling in the related art, the high-voltage signal sampling method of the control board 20 can be optimized, so that the assembly of the motor controller 100 is more convenient.

[0055] In addition, the first capacitor connecting column 691 and the second capacitor connecting column 692 can also connect the control board 20 and the capacitor 60 as a whole, thereby improving the overall structural strength of the control component; and making the overall structure of the control board 20 and the capacitor 60 compact and occupying less space.

[0056] According to the motor controller 100 of the embodiment of the utility model, by setting a first capacitor connecting column 691 and a second capacitor connecting column 692 on the capacitor 60, and directly connecting the positive and negative electrodes of the capacitor 60 to the control board 20 through the first capacitor connecting column 691 and the second capacitor connecting column 692, the control board 20 can sample the high-voltage signal of the capacitor 60, and the high-voltage signal sampling method of the control board 20 can be optimized, so that the assembly of the motor controller 100 is more convenient.

[0057] According to some embodiments of the utility model, one end of the first capacitor connection column 691 is welded to the capacitor positive copper bar 61, thereby conveniently realizing the electrical connection between one end of the first capacitor connection column 691 and the capacitor positive copper bar 61, and the electrical connection method is reliable. One end of the second capacitor connection column 692 is welded to the capacitor negative copper bar 64, thereby conveniently realizing the electrical connection between one end of the second capacitor connection column 692 and the capacitor negative copper bar 64, and the electrical connection method is reliable.

[0058] According to some embodiments of the utility model, the other end of the first capacitor connection column 691 is connected to the control board 20 by a first fastener, thereby conveniently realizing the electrical connection between the other end of the first capacitor connection column 691 and the control board 20 and the electrical connection method is reliable, and the connection method can also realize the detachable connection between the first capacitor connection column 691 and the control board 20. The other end of the second capacitor connection column 692 is connected to the control board 20 by a second fastener, thereby conveniently realizing the electrical connection between the other end of the second capacitor connection column 692 and the control board 20 and the electrical connection method is reliable, and the connection method can also realize the detachable connection between the second capacitor connection column 692 and the control board 20.

[0059] According to some embodiments of the present invention, referring to Figure 2-Figure 6 The positive copper bar 61 of the capacitor includes a positive copper bar body 62 and three positive connection terminals 63 connected to the positive copper bar body 62, and the three positive connection terminals 63 are evenly distributed along the circumference of the capacitor body 60a; the negative copper bar 64 of the capacitor includes a negative copper bar body 65 and three negative connection terminals 66 connected to the negative copper bar body 65, and the three negative connection terminals 66 are evenly distributed along the circumference of the capacitor body 60a, and the three positive connection terminals 63 and the three negative connection terminals 66 correspond to each other one by one and are adjacent to each other.

[0060] The capacitor positive copper busbar 61 includes three positive connection terminals 63 evenly distributed along the circumference of the capacitor body 60a, and the capacitor negative copper busbar 64 includes three negative connection terminals 66 evenly distributed along the circumference of the capacitor body 60a. The three positive connection terminals 63 and the three negative connection terminals 66 correspond to each other one by one and are arranged adjacent to each other, so that the three positive connection terminals 63 and the three negative connection terminals 66 are arranged more compactly, which can make full use of the space and facilitate the assembly of the capacitor 60 with other components.

[0061] Among them, one end of the first capacitor connecting column 691 is connected to the positive copper bar body 62, for example, one end of the first capacitor connecting column 691 is welded to the positive copper bar body 62; one end of the second capacitor connecting column 692 is connected to the negative copper bar body 65, for example, one end of the second capacitor connecting column 692 is welded to the negative copper bar body 65. By connecting one end of the first capacitor connecting column 691 to the positive copper bar body 62 and one end of the second capacitor connecting column 692 to the negative copper bar body 65, since the areas of the positive copper bar body 62 and the negative copper bar body 65 are large, it is convenient for the first capacitor connecting column 691 and the second capacitor connecting column 692 to be connected to the positive copper bar body 62 and the negative copper bar body 65, respectively.

[0062] According to some embodiments of the present invention, referring to Figure 2-Figure 6 The capacitor body 60a includes a capacitor housing 601 and multiple capacitor cores 602. The multiple capacitor cores 602 are arranged in the capacitor housing 601. The capacitor housing 601 is an insulating part. The multiple capacitor cores 602 can be fixed in the capacitor housing 601 through a glue layer 603; the capacitor positive copper bar 61 and the capacitor negative copper bar 64 are both arranged in the capacitor housing 601. The capacitor positive copper bar 61 and the capacitor negative copper bar 64 can also be fixed in the capacitor housing 601 through a glue layer 603.

[0063] Furthermore, a third capacitor connection column 693 is provided on the capacitor 60, one end of the third capacitor connection column 693 is connected to the capacitor housing 601, and the other end of the third capacitor connection column 693 is connected to the control board 20. By providing the third capacitor connection column 693, the stability and reliability of the connection between the control board 20 and the capacitor 60 can be further improved, and the overall structural strength of the control assembly can be further improved.

[0064] Optionally, one end of the third capacitor connection column 693 is integrally molded with the capacitor housing 601, the capacitor housing 601 may be a plastic part, and the third capacitor connection column 693 may be a metal part, for example, the third capacitor connection column 693 may be a copper part. By molding one end of the third capacitor connection column 693 and the capacitor housing 601 as a whole, the connection between the capacitor housing 601 and the third capacitor connection column 693 is achieved while the capacitor housing 601 is injection molded, and the connection method is reliable and stable. The other end of the third capacitor connection column 693 is connected to the control board 20 through a third fastener, thereby conveniently realizing the connection between the other end of the third capacitor connection column 693 and the control board 20 and the connection method is reliable, and the connection method can also realize the detachable connection between the third capacitor connection column 693 and the control board 20.

[0065] According to some optional embodiments of the present invention, referring to Figure 2-Figure 6 , the first capacitor connection column 691, the second capacitor connection column 692 and the third capacitor connection column 693 are arranged at intervals along the circumference of the capacitor 60, so that the first capacitor connection column 691, the second capacitor connection column 692 and the third capacitor connection column 693 are arranged reasonably, and the space on the capacitor 60 can be fully utilized to make the overall structure compact. For example, the first capacitor connection column 691, the second capacitor connection column 692 and the third capacitor connection column 693 can be evenly spaced and arranged along the circumference of the capacitor 60.

[0066] According to some embodiments of the present invention, referring to Fig.11 The motor controller 100 includes a housing 70, the control board 20 and the capacitor 60 are both disposed in the housing 70, and the housing 70 includes a fixing plate 72, and the fixing plate 72 is located on a side of the capacitor 60 away from the control board 20. For example, the housing 70 may include a housing body 71 and a fixing plate 72, the housing body 71 defines a receiving cavity, the fixing plate 72 may be disposed in the receiving cavity, and the fixing plate 72 may separate the space in the receiving cavity into a control cavity and a motor cavity, wherein the control cavity may be used to place the control component, and the motor cavity may be used to place the motor.

[0067] Among them, a support column 74 is provided on the fixing plate 72, and the support column 74 is passed through the capacitor 60. One end of the support column 74 is connected to the fixing plate 72, and the other end of the support column 74 is connected to the control board 20. By arranging the support column 74 on the fixing plate 72 of the housing 10 and making the support column 74 pass through the capacitor 60, the capacitor 60 and the control board 20 can be fixed to the housing 70, and the stability and reliability of the connection between the control board 20 and the capacitor 60 can be further improved.

[0068] According to some optional embodiments of the present invention, referring to Fig.11There are multiple (for example, three) support columns 74, and the multiple support columns 74 are arranged at intervals along the circumference of the fixing plate 72, for example, the multiple support columns 74 are evenly arranged at intervals along the circumference of the fixing plate 72. By providing multiple support columns 74 on the fixing plate 72, the capacitor 60 and the control board 20 can be further fixed to the housing 70; and the provision of multiple support columns 74 can also improve the supporting effect of the fixing plate 72 on the capacitor 60 and the control board 20, thereby improving the overall stability and reliability.

[0069] It should be noted that the “plurality” mentioned in the present invention refers to two or more than two.

[0070] According to some optional embodiments of the present invention, the fixing plate 72 and the support column 74 are both conductive members, one end of the support column 74 is electrically connected to the fixing plate 72, and the other end of the support column 74 is electrically connected to the control board 20. The fixing plate 72 is a conductive metal plate, the shell body 71 can also be a conductive metal shell 70, and the fixing plate 72 is connected to the inner wall of the shell body 71.

[0071] Among them, the support column 74 is a conductive column, for example, the support column 74 can be a copper column. The support column 74 is arranged on the capacitor 60, and one end of the support column 74 is electrically connected to the fixed plate 72, for example, one end of the support column 74 can be welded to the fixed plate 72, so that one end of the support column 74 can be electrically connected to the fixed plate 72. The other end of the support column 74 is electrically connected to the control board 20, for example, the other end of the support column 74 is welded to the grounding end of the control board 20. By arranging the support column 74 on the fixed plate 72 and the support column 74 being directly electrically connected to the control board 20, the control board 20 can be conveniently grounded, and the structure is simple.

[0072] According to some optional embodiments of the present invention, referring to Fig.11 There are multiple (e.g., three) support columns 74, and the multiple support columns 74 are arranged at intervals along the circumference of the fixed plate 72, for example, the multiple support columns 74 are evenly arranged at intervals along the circumference of the fixed plate 72. By providing multiple support columns 74, the electrical connection between the control board 20 and the fixed plate 72 can be made more reliable, and the reliability of the grounding of the control board 20 can be improved. In addition, by providing multiple support columns 74, the supporting effect of the fixed plate 72 on the capacitor 60 and the control board 20 can be improved, making the overall structure more stable.

[0073] It should be noted that the “plurality” mentioned in the present invention refers to two or more than two.

[0074] According to some embodiments of the present invention, referring to Figure 2 , Figure 3 , Figure 7 as well as Figure 8The motor controller 100 includes a driving board 40, which is located between the control board 20 and the capacitor 60, and the driving board 40 and the control board 20 are stacked. The first capacitor connecting column 691 and the second capacitor connecting column 692 are both penetrated through the driving board 40 and electrically connected to the control board 20. The first capacitor connecting column 691 and the second capacitor connecting column 692 are penetrated through the driving board 40, which can support the driving board 40, so that the overall structure has high strength and is relatively stable and reliable.

[0075] For example, two first penetration holes 41 are formed on the driving board 40, the first capacitor connection column 691 is penetrated through one of the first penetration holes 41, and the second capacitor connection column 692 is penetrated through the other first penetration hole 41. By providing two first penetration holes 41 on the driving board 40, the first capacitor connection column 691 and the second capacitor connection column 692 can be avoided, so that the first capacitor connection column 691 and the second capacitor connection column 692 can pass through the driving board 40 to connect with the control board 20.

[0076] Among them, in the embodiment where the above-mentioned support column 74 is arranged on the fixing plate 72, when the motor controller 100 includes the driving plate 40, the support column 74 is also penetrated through the driving plate 40. At this time, the support column 74 can play a supporting role for the driving plate 40, so that the overall structure has higher strength and is more stable and reliable.

[0077] In addition, when a third capacitor connecting column 693 is provided on the capacitor 60, three first penetration holes 41 can be formed on the driving board 40, and the first capacitor connecting column 691, the second capacitor connecting column 692 and the third capacitor connecting column 693 are respectively penetrated through the three first penetration holes 41 on the three driving boards 40.

[0078] According to some embodiments of the present invention, referring to Figure 2-Figure 6 The positive copper bar 61 of the capacitor includes a positive copper bar body 62 and three positive connection terminals 63 connected to the positive copper bar body 62, and the three positive connection terminals 63 are evenly distributed along the circumference of the capacitor body 60a; the negative copper bar 64 of the capacitor includes a negative copper bar body 65 and three negative connection terminals 66 connected to the negative copper bar body 65, and the three negative connection terminals 66 are evenly distributed along the circumference of the capacitor body 60a, and the three positive connection terminals 63 and the three negative connection terminals 66 correspond to each other one by one and are adjacent to each other.

[0079] The capacitor positive copper busbar 61 includes three positive connection terminals 63 evenly distributed along the circumference of the capacitor body 60a, and the capacitor negative copper busbar 64 includes three negative connection terminals 66 evenly distributed along the circumference of the capacitor body 60a. The three positive connection terminals 63 and the three negative connection terminals 66 correspond to each other one by one and are arranged adjacent to each other, so that the three positive connection terminals 63 and the three negative connection terminals 66 are arranged more compactly, which can make full use of the space and facilitate the assembly of the capacitor 60 with other components.

[0080] Among them, one end of the first capacitor connecting column 691 is connected to the positive copper bar body 62, for example, one end of the first capacitor connecting column 691 is welded to the positive copper bar body 62; one end of the second capacitor connecting column 692 is connected to the negative copper bar body 65, for example, one end of the second capacitor connecting column 692 is welded to the negative copper bar body 65. By connecting one end of the first capacitor connecting column 691 to the positive copper bar body 62 and one end of the second capacitor connecting column 692 to the negative copper bar body 65, since the areas of the positive copper bar body 62 and the negative copper bar body 65 are large, it is convenient for the first capacitor connecting column 691 and the second capacitor connecting column 692 to be connected to the positive copper bar body 62 and the negative copper bar body 65, respectively.

[0081] Among them, the capacitor positive copper bar 61 also includes a positive connection pin 62a, which is connected to the positive copper bar body 62. The positive copper bar body 62 can be annular, and the positive connection pin 62a can be connected to the outer peripheral side of the positive copper bar body 62. The three positive connection terminals 63 can be connected to the inner peripheral side of the positive copper bar body 62. The positive connection pin 62a can be electrically connected to the drive board 40, and the electrical connection between the drive board 40 and the capacitor positive copper bar 61 can be conveniently achieved through the positive connection pin 62a.

[0082] The capacitor negative copper bar 64 also includes a negative connection pin 65a, which is connected to the negative copper bar body 65. The negative copper bar body 65 may be annular, and the negative connection pin 65a may be connected to the outer peripheral side of the negative copper bar body 65. Three negative connection terminals 66 may be connected to the inner peripheral side of the negative copper bar body 65. The negative connection pin 65a may be electrically connected to the drive board 40, and the electrical connection between the drive board 40 and the capacitor negative copper bar 64 may be conveniently achieved through the negative connection pin 65a.

[0083] According to some optional embodiments of the present invention, referring to Figure 2 as well as Figure 7-Figure 11The motor controller 100 may include a DC injection molded part 50. When the motor controller 100 includes a housing 70, the DC injection molded part 50 is also disposed in the housing 70. The DC injection molded part 50 includes six DC bus copper bars 52. The six DC bus copper bars 52 are divided into three positive DC bus copper bars 52 and three negative DC bus copper bars 52. The three positive DC bus copper bars 52 are respectively connected to the three positive connection terminals 63, and the three negative DC bus copper bars 52 are respectively connected to the three negative connection terminals 66. By arranging the three positive connection terminals 63 and the three negative connection terminals 66 in one-to-one correspondence and adjacently, it is possible to facilitate the connection between the DC bus copper bar 52 of the DC injection molded part 50 and the capacitor positive copper bar 61 and the capacitor negative copper bar 64. At the same time, the three positive connection terminals 63 and the three negative connection terminals 66 are arranged more compactly, and the DC bus copper bar 52 of the DC injection molded part 50 is distributed more compactly, so that the appearance of the DC injection molded part 50 can be simpler and the space occupancy rate is smaller, which can reduce the manufacturing difficulty and production cost of the DC injection molded part 50 to a certain extent.

[0084] According to some optional embodiments of the present invention, referring to Figure 2 , Figure 3 , Figure 7 as well as Figure 8 Two connecting holes 28 are formed on the control board 20, the other end of the first capacitor connecting column 691 is accommodated in one of the connecting holes 28, and the first fastener is passed through the other end of the first capacitor connecting column 691, so as to realize the electrical connection between the other end of the first capacitor connecting column 691 and the control board 20; the other end of the second capacitor connecting column 692 is accommodated in the other connecting hole 28, and the second fastener is passed through the other end of the second capacitor connecting column 692, so as to realize the electrical connection between the other end of the second capacitor connecting column 692 and the control board 20. By setting a connection hole 28 on the control board 20, the other end of the first capacitor connecting column 691 and the other end of the second capacitor connecting column 692 are accommodated in the connection hole 28, and the other end of the first capacitor connecting column 691 and the other end of the second capacitor connecting column 692 are fixed to the control board 20 by the first fastener and the second fastener. This connection and fixing method can achieve a stable and reliable electrical connection between the other end of the first capacitor connecting column 691 and the other end of the second capacitor connecting column 692 and the control board 20, and can achieve the detachability between the other end of the first capacitor connecting column 691 and the other end of the second capacitor connecting column 692 and the control board 20.

[0085] In addition, when a third capacitor connecting column 693 is provided on the capacitor 60, three connecting holes 28 can be formed on the control board 20, and the first capacitor connecting column 691, the second capacitor connecting column 692 and the third capacitor connecting column 693 correspond to the three connecting holes 28 on the control board 20 respectively.

[0086] According to some optional embodiments of the present invention, referring to Figure 2 , Figure 3 , Figure 7-Figure 9 The motor controller 100 further includes an isolation plate 30, which is disposed between the drive plate 40 and the control plate 20. The control plate 20 is provided with a plurality of components. During the operation of the control plate 20, the components on the control plate 20 are easily interfered by other components, and the electromagnetic waves generated by the drive plate 40 are easily affected by the components on the control plate 20. By disposing the isolation plate 30 between the drive plate 40 and the control plate 20, the isolation plate 30 can isolate the control plate 20 from other components, play a shielding role, and can avoid interference of other components on the control plate 20, thereby improving the stability of the operation of the control plate 20 components.

[0087] The isolation plate 30 may be an insulating member, for example, the isolation plate 30 may be a plastic plate.

[0088] Furthermore, the first capacitor connection column 691 and the second capacitor connection column 692 are both provided through the driving board 40 and the isolation board 30 and are electrically connected to the control board 20. The first capacitor connection column 691 and the second capacitor connection column 692 are provided through the isolation board 30, so that the overall structure has high strength and is relatively stable and reliable.

[0089] For example, two second penetration holes 38 are formed on the isolation plate 30, the first capacitor connection column 691 is penetrated through one of the second penetration holes 38, and the second capacitor connection column 692 is penetrated through the other second penetration hole 38. By providing two second penetration holes 38 on the isolation plate 30, the first capacitor connection column 691 and the second capacitor connection column 692 can be avoided, so that the first capacitor connection column 691 and the second capacitor connection column 692 can pass through the isolation plate 30 to connect with the control board 20.

[0090] In the embodiment where the support column 74 is disposed on the fixing plate 72 , when the motor controller 100 includes an isolation plate 30 , the support column 74 is also disposed through the isolation plate 30 .

[0091] In addition, when a third capacitor connecting column 693 is provided on the capacitor 60, three second penetration holes 38 are formed on the isolation plate 30, and the first capacitor connecting column 691, the second capacitor connecting column 692 and the third capacitor connecting column 693 are respectively penetrated through the three second penetration holes 38 on the three isolation plates 30.

[0092] Optionally, the control board 20 is fixedly connected to the isolation board 30, and the isolation board 30 can reinforce and support the control board 20, thereby improving the overall structural strength of the control board 20 assembly. At the same time, it can improve the vibration resistance of the control board 20 and ensure the stability of the position of the control board 20.

[0093] Optionally, refer to Figure 2 , Figure 3 , Figure 7-Figure 9 , the control board 20 is provided with a connector 25, the isolation board 30 is provided with a first avoidance hole 35 for avoiding the connector 25, and the connector 25 is inserted into the first avoidance hole 35 and connected to the drive board 40. By providing the first avoidance hole 35 on the isolation board 30, the connector 25 on the control board 20 is inserted into the first avoidance hole 35 and connected to the drive board 40, so that the signal transmission between the control board 20 and the drive board 40 can be realized. In addition, the connector 25 of the control board 20 is accommodated in the first avoidance hole 35, and the first avoidance hole 35 can protect and position the connector 25.

[0094] According to some embodiments of the present invention, referring to Figure 1 , Figure 2 as well as Fig.11 The motor controller 100 includes a housing 70, a control board 20, a capacitor 60, a drive board 40 and an isolation board 30 are all arranged in the housing 70, and the isolation board 30 is bonded to the housing 70 by adhesive. By providing the housing 70, the housing 70 can protect the control components, and the isolation board 30 is bonded to the housing 70 by adhesive, and the connection method is relatively simple and can be conveniently operated.

[0095] According to some embodiments of the present invention, referring to Figure 2 as well as Figure 7-Figure 11 The motor controller 100 further includes a DC injection molded part 50, which is disposed on one side of the drive plate 40 adjacent to the isolation plate 30. The DC injection molded part 50 includes a positive electrode connection seat 51 and a negative electrode connection seat 55. A second avoidance hole 36 is formed on the isolation plate 30, and a third avoidance hole 26 is formed on the control plate 20. The positive electrode connection seat 51 and the negative electrode connection seat 55 are both penetrated through the second avoidance hole 36 and the third avoidance hole 26. By providing the second avoidance hole 36 on the isolation plate 30 and the third avoidance hole 26 on the control plate 20, the positive electrode connection seat 51 and the negative electrode connection seat 55 are both penetrated through the second avoidance hole 36 and the third avoidance hole 26. The second avoidance hole 36 and the third avoidance hole 26 can play a role of avoidance, which can facilitate the assembly of the motor controller 100 with other components. In addition, the positive electrode connection seat 51 and the negative electrode connection seat 55 are both accommodated in the second avoidance hole 36 and the third avoidance hole 26 , and the second avoidance hole 36 and the third avoidance hole 26 can protect and position the positive electrode connection seat 51 and the negative electrode connection seat 55 .

[0096] Optionally, refer to Fig.10The DC injection molded part 50 also includes a plurality of DC bus copper bars 52 and an injection molded layer 53 covering the plurality of DC bus copper bars 52. The injection molded layer 53 can be integrally injection molded on the plurality of DC bus copper bars 52, which can simplify the assembly process of the motor controller 100 and improve the assembly efficiency. At the same time, the injection molded layer 53 covers the plurality of DC bus copper bars 52, which can provide insulation protection for the DC bus copper bars 52.

[0097] According to some optional embodiments of the present invention, referring to Figure 2 as well as Figure 7-Figure 11 A fixing column 54 is formed on the DC injection molded part 50, a first fixing hole 37 is formed on the isolation plate 30, a second fixing hole 27 is formed on the control board 20, the fixing column 54 is penetrated through the first fixing hole 37 and the second fixing hole 27, and the fourth fastener is penetrated through the fixing column 54. By providing the first fixing hole 37 on the isolation plate 30, the second fixing hole 27 on the control board 20, and the fixing column 54 on the DC injection molded part 50, by respectively penetrating the fixing column 54 through the first fixing hole 37 and the second fixing hole 27, and then penetrating the fourth fastener through the fixing column 54, the connection process is relatively simple, and the connection is relatively stable.

[0098] According to some optional embodiments of the present invention, referring to Fig.11 The motor controller 100 includes a housing 70, the control board 20, the capacitor 60 and the drive board 40 are all disposed in the housing 70, and the housing 70 includes a fixing plate 72, and the fixing plate 72 is located on a side of the capacitor 60 away from the control board 20. For example, the housing 70 may include a housing body 71 and a fixing plate 72, the housing body 71 defines a receiving cavity, the fixing plate 72 may be disposed in the receiving cavity, and the fixing plate 72 may separate the space in the receiving cavity into a control cavity and a motor cavity, wherein the control cavity may be used to place the control component, and the motor cavity may be used to place the motor.

[0099] Among them, a mounting port 73 is provided on the fixing plate 72, and the motor controller 100 also includes a three-phase connecting component, which is installed in the mounting port 73, and part of the three-phase connecting component is accommodated in the mounting port 73. By setting the mounting port 73 on the fixing plate 72 and installing the three-phase connecting component in the mounting port 73, it is convenient for the three-phase connecting component to be connected to the motor located in the motor cavity and to be connected to the control component located in the control cavity (for example, the control component includes the above-mentioned control board 20, capacitor 60, drive board 40, etc.).

[0100] Further, refer to Figure 5The capacitor 60 is provided with a receiving hole 68, which is arranged opposite to the mounting opening 73. At least part of the three-phase connecting component is received in the receiving hole 68, and the three-phase connecting component is electrically connected to the driving board 40. The three-phase connecting component is used to connect the motor controller 100 and the motor winding. By providing the receiving hole 68 for receiving the three-phase connecting component on the capacitor 60, the internal space of the capacitor 60 can be fully utilized, so that the overall structure is compact, which is conducive to reducing the volume of the motor controller 100, and it is convenient to connect the three-phase connecting component with the driving board 40.

[0101] Optionally, the three-phase connecting component includes three single-phase connecting pieces and an insulating layer, and the three single-phase connecting pieces are respectively a U-phase connecting piece, a V-phase connecting piece and a W-phase connecting piece. The insulating layer is coated on the outside of the single-phase connecting piece and the three single-phase connecting pieces are formed into an integrated structure. One end of each single-phase connecting piece is connected to the motor winding, and the other end of each single-phase connecting piece is electrically connected to the control component of the motor controller 100. In this way, direct current is converted into three-phase alternating current, thereby realizing the operation of the motor.

[0102] According to some optional embodiments of the utility model, the capacitor 60 also includes three single-phase AC copper bars 67, which are respectively a U-phase AC copper bar, a V-phase AC copper bar and a W-phase AC copper bar. The three single-phase AC copper bars 67 are arranged on the capacitor body 60a and the three single-phase AC copper bars 67 are arranged at intervals along the circumference of the capacitor body 60a. Each single-phase AC copper bar 67 includes a single-phase copper bar body 671, a single-phase connection terminal 672 and a single-phase connection pin 673. The single-phase connection terminal 672 and the single-phase connection pin 673 are both connected to the single-phase copper bar body 671. For example, the single-phase connection terminal 672 can be connected to the radial inner side of the single-phase copper bar body 671, and the single-phase connection pin 673 can be connected to the radial outer side of the single-phase copper bar body 671.

[0103] Among them, the single-phase connecting pin 673 is electrically connected to the driving board 40, the single-phase connecting terminals 672 of the three single-phase AC copper busbars 67 are respectively electrically connected to the three single-phase connecting parts of the three-phase connecting components, the single-phase connection terminal 672 of the U-phase AC copper busbar is connected to the U-phase connecting part, the single-phase connection terminal 672 of the V-phase AC copper busbar is connected to the V-phase connecting part, and the single-phase connection terminal 672 of the W-phase AC copper busbar is connected to the W-phase connecting part.

[0104] By integrating three single-phase AC copper busbars 67 into the capacitor 60 , the structure can be made compact and the volume of the motor controller 100 can be reduced. In addition, the three single-phase AC copper busbars 67 can facilitate the electrical connection between the three-phase connection components and the drive board 40 .

[0105] According to some optional embodiments of the present invention, the capacitor 60, the through hole and the receiving hole 68 are coaxially arranged, thereby making the overall structure compact and the layout reasonable.

[0106] The motor assembly according to the second embodiment of the utility model comprises: a motor and a motor controller 100 according to the first embodiment of the utility model, wherein the motor controller 100 is arranged at one axial end of the motor. The motor controller 100 can control the motor. For example, the motor controller 100 can be used in an electric vehicle. The motor controller 100 is electrically connected to the power battery of the electric vehicle, can obtain electric energy from the power battery, and convert the direct current of the power battery into alternating current, and then control the motor to work, so as to meet the different requirements of the motor for speed and torque under various working conditions.

[0107] According to the motor assembly of the embodiment of the utility model, through the above-mentioned motor controller 100, by setting the first capacitor connecting column 691 and the second capacitor connecting column 692 on the capacitor 60 of the motor controller 100, and directly connecting the positive and negative poles of the capacitor 60 with the control board 20 through the first capacitor connecting column 691 and the second capacitor connecting column 692, the control board 20 can sample the high-voltage signal of the capacitor 60, and the high-voltage signal sampling method of the control board 20 can be optimized, so that the assembly of the motor controller 100 is more convenient.

[0108] The electric assembly according to the embodiment of the third aspect of the utility model includes: the motor assembly according to the embodiment of the second aspect of the utility model.

[0109] According to the electric assembly of the embodiment of the utility model, by setting the above-mentioned motor component, the motor controller 100 of the motor component can optimize the high-voltage signal sampling method of the control board 20, so that the assembly of the motor controller 100 is more convenient.

[0110] A vehicle according to an embodiment of the fourth aspect of the utility model comprises: an electric assembly according to an embodiment of the third aspect of the utility model, wherein the vehicle may be an electric vehicle.

[0111] According to the vehicle of the embodiment of the utility model, by setting the above-mentioned electric assembly, the electric assembly includes a motor component, and the motor controller 100 of the motor component can optimize the high-voltage signal sampling method of the control board 20, so that the assembly of the motor controller 100 is more convenient.

[0112] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0113] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A motor controller, characterized in that: include: Control panel; A capacitor, wherein the capacitor is arranged on one side of the control board in the thickness direction, the capacitor is provided with a first capacitor connection column and a second capacitor connection column, the first capacitor connection column and the second capacitor connection column are both conductive members, and the capacitor comprises a capacitor body and a capacitor positive copper bar and a capacitor negative copper bar arranged on the capacitor body; Among them, one end of the first capacitor connecting column is electrically connected to the capacitor positive copper busbar and the other end is electrically connected to the control board, and one end of the second capacitor connecting column is electrically connected to the capacitor negative copper busbar and the other end is electrically connected to the control board.

2. The motor controller according to claim 1, characterized in that: One end of the first capacitor connection column is welded to the capacitor positive copper bar, and one end of the second capacitor connection column is welded to the capacitor negative copper bar.

3. The motor controller according to claim 1, characterized in that: The other end of the first capacitor connecting column is connected to the control board through a first fastener, and the other end of the second capacitor connecting column is connected to the control board through a second fastener.

4. The motor controller according to claim 1, characterized in that: The capacitor positive copper bar comprises a positive copper bar body and three positive connection terminals connected to the positive copper bar body, and the three positive connection terminals are evenly distributed along the circumference of the capacitor body; the capacitor negative copper bar comprises a negative copper bar body and three negative connection terminals connected to the negative copper bar body, and the three negative connection terminals are evenly distributed along the circumference of the capacitor body, and the three positive connection terminals and the three negative connection terminals correspond to each other one by one and are arranged adjacent to each other; Among them, one end of the first capacitor connecting column is connected to the positive copper busbar body, and one end of the second capacitor connecting column is connected to the negative copper busbar body.

5. The motor controller according to claim 1, characterized in that: The capacitor body comprises a capacitor housing and a plurality of capacitor cores, wherein the plurality of capacitor cores are arranged in the capacitor housing, the capacitor housing is an insulating member, and the capacitor positive copper bar and the capacitor negative copper bar are both arranged in the capacitor housing; The capacitor is also provided with a third capacitor connecting column, one end of which is connected to the capacitor housing and the other end of which is connected to the control board.

6. The motor controller according to claim 5, characterized in that: One end of the third capacitor connecting column is integrally formed with the capacitor housing by injection molding; the other end of the third capacitor connecting column is connected to the control board via a third fastener.

7. The motor controller according to claim 5, characterized in that: The first capacitor connecting column, the second capacitor connecting column and the third capacitor connecting column are arranged at intervals along the circumference of the capacitor.

8. The motor controller according to claim 1, characterized in that: It includes a shell, the control board and the capacitor are both arranged in the shell, the shell includes a fixing plate, the fixing plate is located on a side of the capacitor away from the control board, a support column is provided on the fixing plate, the support column passes through the capacitor, one end of the support column is connected to the fixing plate and the other end is connected to the control board.

9. The motor controller according to claim 8, characterized in that: There are a plurality of support columns, and the plurality of support columns are arranged at intervals along the circumference of the fixing plate.

10. The motor controller according to claim 8, characterized in that: The fixing plate and the supporting column are both conductive members, one end of the supporting column is electrically connected to the fixing plate and the other end is electrically connected to the control board.

11. The motor controller according to claim 1, characterized in that: It also includes a driving board, which is located between the control board and the capacitor, and the first capacitor connecting column and the second capacitor connecting column are both penetrated by the driving board and electrically connected to the control board.

12. The motor controller according to claim 11, characterized in that: It also includes an isolation plate, which is arranged between the driving plate and the control plate. The first capacitor connecting column and the second capacitor connecting column are both passed through the driving plate and the isolation plate and are electrically connected to the control plate.

13. The motor controller according to claim 11, characterized in that: It includes a shell, the control board, the capacitor and the drive board are all arranged in the shell, the shell includes a fixing plate, the fixing plate is located on the side of the capacitor away from the control board, and the fixing plate is provided with a mounting port, the motor controller also includes a three-phase connecting component, the three-phase connecting component is installed in the mounting port, the capacitor is provided with a receiving hole, the receiving hole is arranged opposite to the mounting port, at least part of the three-phase connecting component is accommodated in the receiving hole and the three-phase connecting component is electrically connected to the drive board, and the three-phase connecting component is used to connect the motor controller and the motor winding.

14. The motor controller according to claim 13, characterized in that: The capacitor also includes three single-phase AC copper bars, which are disposed on the capacitor body and arranged at intervals along the circumference of the capacitor body. Each of the single-phase AC copper bars includes a single-phase copper bar body, a single-phase connection terminal and a single-phase connection pin. The single-phase connection terminal and the single-phase connection pin are both connected to the single-phase copper bar body, the single-phase connection pin is electrically connected to the drive board, and the single-phase connection terminals of the three single-phase AC copper bars are electrically connected to the three single-phase connectors of the three-phase connection component, respectively.

15. A motor assembly, characterized in that: include: Motor; According to any one of claims 1-14, the motor controller is arranged at one axial end of the motor.

16. An electric assembly, characterized in that: include: The motor assembly of claim 15.

17. A vehicle, characterized in that: include: The electric powertrain assembly according to claim 16.

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