WO2020001515A1 - 电机控制器上盖、电机控制器、驱动总成和车辆 - Google Patents

电机控制器上盖、电机控制器、驱动总成和车辆 Download PDF

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Publication number
WO2020001515A1
WO2020001515A1 PCT/CN2019/093175 CN2019093175W WO2020001515A1 WO 2020001515 A1 WO2020001515 A1 WO 2020001515A1 CN 2019093175 W CN2019093175 W CN 2019093175W WO 2020001515 A1 WO2020001515 A1 WO 2020001515A1
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WO
WIPO (PCT)
Prior art keywords
motor controller
points
reinforcing
upper cover
diagonal
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Application number
PCT/CN2019/093175
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English (en)
French (fr)
Inventor
王晋军
杨广明
齐阿喜
姚鹏飞
李威
Original Assignee
比亚迪股份有限公司
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Publication of WO2020001515A1 publication Critical patent/WO2020001515A1/zh

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
    • H02P1/02—Details of starting control
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/03—Covers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility

Definitions

  • the present application belongs to the technical field of vehicle manufacturing, and in particular, relates to a motor controller cover, a motor controller having the motor controller cover, a drive assembly having the motor controller, and a vehicle having the drive assembly. .
  • the structural design of the upper cover of the motor controller of the electric vehicle only meets the traditional vibration test and mechanical shock test.
  • the radiated noise of the upper cover structure of the motor controller is relatively large. Long-term use will cause structural instability, and the noise is likely to cause interference to the driver. There is room for improvement.
  • an object of the present application is to propose an upper cover of a motor controller that can enhance the modal and meet the NVH requirements.
  • the upper cover of the motor controller includes: a cover body, a surface of the cover body is provided with a plurality of reinforcing points, the plurality of reinforcing points are distributed in multiple rows and multiple rows, and the rows of M rows and N rows
  • the strengthening point is formed as a basic unit, and the basic unit includes at least one quadrilateral. Among the four reinforcing points at the vertices of the quadrilateral, two diagonally distributed reinforcing points are provided from one of the reinforcing points.
  • M and N are positive integers and satisfy: M ⁇ 2, N ⁇ 2.
  • the surface of the cover body is provided with a plurality of diagonal reinforcing ribs.
  • the diagonal reinforcing ribs can effectively enhance the structural strength of the motor controller upper cover, so that the motor controller upper cover is stable. Mechanical properties, which in turn meets the resonance requirements of the motor at the maximum frequency of vibration, reduces the noise generated by the upper cover of the motor controller, and has good practicability.
  • the present application also proposes a motor controller.
  • the motor controller according to the embodiment of the present application includes the motor controller upper cover according to any one of the foregoing embodiments.
  • This application also proposes a drive assembly.
  • a drive assembly includes: a motor, a reducer, and the motor controller described in the foregoing embodiment, the motor is connected to the reducer, and the motor controller, the motor, and the reducer Device integration settings.
  • This application also proposes a vehicle.
  • the vehicle according to the embodiment of the present application has the drive assembly described in the above embodiment.
  • the motor controller, the drive assembly, and the vehicle have the same advantages as those of the above motor controller cover, and are not described herein again.
  • FIG. 1 is a schematic structural diagram of a motor controller upper cover according to an embodiment of the present application.
  • 2 to 4 are simulation figures of the ribs on the upper cover of the motor controller according to the embodiment of the present application.
  • Cover body 1 reinforcement point 11, diagonal reinforcement 12, diagonal reinforcement 13, supplementary reinforcement 14, edge reinforcement 15, boss 16, flange 17, installation position 18.
  • the following describes a motor controller upper cover 100 according to an embodiment of the present application with reference to FIG. 1.
  • the motor controller upper cover 100 may be installed on the motor controller to close the upper portion of the motor controller, wherein the motor controller is connected to the motor housing. .
  • the motor controller upper cover 100 includes a cover body 1.
  • the surface of the cover body 1 is provided with a plurality of reinforcing points 11, and the plurality of reinforcing points 11 are distributed in multiple rows and columns.
  • Reinforcement points 11 in M rows and N columns are formed as a basic unit.
  • the basic unit includes at least one quadrilateral. Among the four reinforcement points 11 at the apex of the quadrilateral, two reinforcement points 11 distributed diagonally are provided with a reinforcement from one of them.
  • the diagonal rib 12 extending from the point 11 to another reinforcing point, and one of the two diagonal ribs 12 corresponding to each quadrilateral extends at least to a position where the other diagonal rib 12 intersects, That is, the diagonal reinforcing rib 12 may not completely extend from one of the two reinforcing points 11 to the other reinforcing point 11.
  • At least one of the two diagonal reinforcing ribs 12 corresponding to each quadrilateral extends from one reinforcing point 11 to another reinforcing point 11.
  • each diagonal reinforcing rib 12 extends from one reinforcing point 11 to another reinforcing point 11 of the corresponding two reinforcing points 11.
  • one of the two diagonal reinforcing ribs 12 corresponding to the quadrangle extends from one of the two reinforcing points 11 to the other reinforcing point 11.
  • Another diagonal stiffener 12 generates two branches during the extension process, the two branches gradually extend to intersect with a diagonal stiffener 12, and the two branches do not continue to extend after intersecting with a diagonal stiffener 12, That is, the other diagonal stiffener 12 does not extend from one of the two stiffening points 11 to the other stiffening point 11 to form a reinforcing structure of the motor controller upper cover 100.
  • the corner ribs 12 improve the structural strength of the motor controller upper cover 100.
  • M and N are positive integers, and satisfy: M ⁇ 2, N ⁇ 2, that is, the quadrilateral includes at least two rows of reinforcement points 11 and two columns of reinforcement points 11, such as M and N can be 2, 3, 5, etc., and M May be equal to N, or M may be not equal to N.
  • the arrangement form of the plurality of reinforcing points 11 of the motor controller upper cover 100 is not limited to this, and other types of reinforcing points 11 can also be used to design the extended arrangement of the diagonal reinforcing ribs 12, which can also improve the motor controller upper cover 100. Structural strength and stiffness.
  • each column of reinforcing points 11 includes a plurality of spaced apart along a first direction
  • each row of reinforcing points 11 includes a plurality of spaced apart along a second direction
  • multiple rows of multiple strengthening points 11 and multiple rows of A plurality of reinforcing points 11 are distributed across to form a lattice structure.
  • the first direction is the a direction shown in FIG. 1
  • the second direction is the b direction shown in FIG. 1.
  • the plurality of reinforcing points 11 can be uniformly distributed in various regions on the surface of the cover body 1.
  • a plurality of diagonal reinforcing ribs 12 are provided on the surface of the cover body 1, and the plurality of diagonal reinforcing ribs 12 can greatly improve the structural strength of the upper cover 100 of the motor controller.
  • the thickness of the cover body 1 and the diagonal reinforcing ribs 12 can also be increased on this structure to enhance the modal to meet the NVH (Noise, Vibration, and Vibration Roughness) requirements.
  • the thickness of the cover body 1 is 5 mm.
  • the motor has a high frequency at a high speed (driving 12000 rpm), and the corresponding vibration frequency of the motor is 800 Hz.
  • Setting a plurality of diagonal reinforcing ribs 12 on the surface of the cover body 1 can effectively enhance the modal of the motor controller upper cover 100, so that the natural frequency of the motor controller upper cover 100 is above 800 Hz, and a plurality of diagonal reinforcements are provided.
  • the reachable frequency of the first-order mode of the motor controller upper cover 100 of the rib 12 is about 1024.3Hz> 800Hz. In this way, when the motor is running at high speed, the motor controller upper cover 100 can meet the resonance requirements of the motor at the maximum frequency of vibration. Therefore, the noise generated by the motor controller upper cover 100 is reduced, and the noise interference is reduced. At the same time, the structural strength and stiffness of the motor controller upper cover 100 are improved, and the service life of the motor controller upper cover 100 is extended.
  • the surface of the cover body 1 is provided with a plurality of diagonal reinforcing ribs 12.
  • the diagonal reinforcing ribs 12 can effectively enhance the structural strength of the motor controller upper cover 100, so that the motor control
  • the upper cover 100 of the device has stable mechanical properties, which further satisfies the resonance requirements when the motor is vibrating at the maximum frequency, reduces the noise generated by the upper cover 100 of the motor controller, and has good practicability.
  • a plurality of reinforcing points 11 in each column are spaced apart along the first direction, and two diagonal reinforcing ribs 12 corresponding to each quadrangle cross the diagonal reinforcing points 13.
  • a supplementary rib 14 extending from one diagonal reinforcement point 13 to the other diagonal reinforcement point 13 is provided between two diagonal reinforcement points 13 corresponding to two adjacent quadrangles distributed along the first direction, that is, supplementary The reinforcing ribs 14 are cross-connected with the diagonal reinforcing ribs 12.
  • a plurality of supplementary reinforcing ribs 14 and a plurality of diagonal reinforcing ribs 12 are distributed on the surface of the cover body 1 to enhance the structural strength and rigidity of the motor controller upper cover 100, thereby effectively increasing the motor controller upper cover 100.
  • the natural frequency of the overall structure meets the resonance requirements when the motor is vibrating at the maximum frequency and the NVH requirements.
  • the supplementary ribs 14 and the diagonal ribs 12 cross the diagonal reinforcement points 13 and the diagonal reinforcement points 13 can be regarded as the seed points of the root system.
  • the corner reinforcing points 13 extend in different directions. Therefore, the distribution form of the plurality of reinforcing ribs on the surface of the cover body 1 can make the upper cover 100 of the motor controller have optimal mechanical properties and enhance the entire upper cover of the motor controller 100. Structural stability.
  • a plurality of reinforcing points 11 in each column are spaced apart along the first direction, and two diagonal reinforcing ribs 12 corresponding to each quadrangle cross the diagonal reinforcing points 13.
  • the plurality of reinforcing points 11 in each row are spaced apart along the second direction, and the first direction is perpendicular to the second direction.
  • a complementary rib 14 extending from one of the diagonally reinforcing points 13 to the other of the diagonally reinforcing points 13 is provided between two diagonally reinforcing points 13 corresponding to two adjacent quadrangles distributed along the first direction.
  • supplementary ribs 14 are provided between at least one row of reinforcing points 11 in the middle row of the basic unit.
  • N 3 that is, the basic unit includes three rows of reinforcement points, and at least one column of reinforcement points 11 in the middle row of the basic unit is provided with supplementary ribs 14 to improve the upper cover of the motor controller. Structural strength of 100.
  • M ⁇ 3, N ⁇ 3 there are supplementary ribs 14 between at least one reinforcement point 11 in the middle row of the basic unit, and there are no supplementary ribs 14 between the reinforcement points in the middle row of the basic unit.
  • the number of supplementary ribs 14 is effectively reduced. This saves the production cost of the cover body 1, reduces the production cost, and improves the economy and practicability of the motor controller upper cover 100.
  • an edge rib 15 extending from one reinforcement point 11 to another reinforcement point 11 is provided between two reinforcement points 11 distributed along the sides of a quadrangle, that is, between two adjacent reinforcement points 11.
  • the side ribs 15 are provided, whereby a plurality of side ribs 15 extending in the first direction are connected as a whole by the reinforcing points 11, and a plurality of side ribs 15 extending in the second direction are connected as one by the reinforcing points 11.
  • the side ribs 15, the supplementary ribs 14, and the diagonal ribs 12 cross each other to form a mesh structure, which can greatly increase the strength of the overall structure of the cover body 1, and thus effectively increase the upper cover of the motor controller.
  • the natural frequency of the overall structure of 100 meets the NVH requirements.
  • the cover body 1 is provided with at least one boss 16. As shown in FIG. 1, the cover body 1 is provided with four bosses 16, and the four bosses 16 are spaced apart and distributed on the surface of the cover body 1. The boss 16 protrudes from the surface of the cover body 1. In this way, the surface of the cover body 1 can be prevented from forming a large plane, and the structural strength and rigidity of the upper cover 100 of the motor controller can be increased.
  • the outer surface of the motor controller upper cover 100 needs to be added with the motor controller assembly brand information, high-voltage warning labels, and factory quality inspection barcodes. As a result, the brand name information of the motor controller assembly, the high-voltage warning label, and the factory-quality inspection barcode can be affixed to the boss 16 with a reasonable structural design and convenient use.
  • the boss 16 is disposed on the edge of the cover body 1, and at least one edge of the boss 16 coincides with the edge of the cover body 1, so that the edge of the boss 16 and the cover body 1 has a higher connection strength.
  • the cover body 1 is provided with at least one boss 16. As shown in FIG. 1, the cover body 1 is provided with four bosses 16, and the side ribs 15 extend to connect with the boss 16, which can effectively improve the cover body 1. Structural strength and stiffness.
  • the edge of the cover body 1 is provided with a flange 17, the flange 17 extends in the circumferential direction of the cover body 1, the flange 17 is provided with a mounting position 18, and the mounting position 18 is used to install the motor controller upper cover 100.
  • the upper cover 100 of the motor controller can be tightened by screws.
  • the firmware is fixed on the upper part of the motor controller.
  • the connecting lines connected to the installation positions 18 opposite to each other form a crossing point, and the reinforcing point 11 is adjacent to the crossing point, and the reinforcing ribs are extended at the reinforcing point 11. Therefore, the structural strength at the crossing point can be improved, and the motor controller upper cover 100 can be improved. Structural strength.
  • the distribution pattern of the plurality of diagonal stiffeners 12 on the surface of the cover body 1 is similar to the distribution pattern of the root system of the plant. It can be understood that when the plant growth root system grows, the growth direction of the plant root system can most effectively withstand the gravity, wind, snow, and ground loads of the plant itself, so that the mechanical properties of its own structure are optimal. Therefore, the diagonal reinforcing ribs 12 can greatly enhance the structural strength of the motor controller upper cover 100, so that the motor controller upper cover 100 has stable mechanical properties, thereby meeting the resonance requirements of the motor at the maximum frequency of vibration and reducing motor control. The noise of the upper cover 100 of the controller improves the performance of the upper cover 100 of the motor controller.
  • Figures 2 to 4 are simulation diagrams of the ribs on the upper cover 100 of the motor controller.
  • the eight black points distributed in the circumferential direction in the figure can simulate the eight intersections of the upper cover 100 of the motor controller, where n is the simulation software.
  • n is the simulation software. It can be seen from the figure that the larger the order, the more the simulation graphics tend to the shape that the ribs need to be designed, that is, the more the simulation graphics tend to the direction of the plant root growth, so the shape of the ribs is set.
  • the strength of the cover of the motor controller can be greatly increased, and the natural frequency of the cover of the motor controller can be increased to meet the NVH requirements.
  • the present application also proposes a motor controller.
  • the motor controller includes the motor controller upper cover 100 of any one of the foregoing embodiments.
  • the motor controller upper cover 100 is fixed to the upper portion of the motor controller by a threaded fastener at a mounting position 18 to The upper part of the motor controller is closed to ensure the stable working environment inside the motor controller.
  • This application also proposes a drive assembly.
  • the drive assembly includes: a motor, a reducer, and the motor controller of the foregoing embodiment, wherein the motor and the reducer are connected, and the motor controller, the motor, and the reducer are integratedly disposed, thereby reducing
  • the space occupied by the drive assembly makes the overall assembly of the drive assembly more compact and the layout more reasonable.
  • This application also proposes a vehicle.
  • the vehicle according to the embodiment of the present application is provided with the drive assembly of the above embodiment.
  • the upper cover 100 of the motor controller of the drive assembly includes a cover body 1.
  • the surface of the cover body 1 is provided with a plurality of diagonal reinforcement ribs 12.
  • the reinforcing ribs 12 can effectively enhance the structural strength of the motor controller upper cover 100, so that the motor controller upper cover 100 has stable mechanical properties, thereby meeting the resonance requirements when the motor is vibrating at the maximum frequency, and reducing the production of the motor controller upper cover 100. Noise, improve the comfort and practicality of the vehicle, and enhance the user experience.
  • the upper cover of the motor controller includes: a cover body, a surface of the cover body is provided with a plurality of reinforcing points, the plurality of reinforcing points are distributed in multiple rows and multiple rows, and the rows of M rows and N rows
  • the strengthening point is formed as a basic unit, and the basic unit includes at least one quadrilateral. Among the four reinforcing points at the vertices of the quadrilateral, two diagonally distributed reinforcing points are provided from one of the reinforcing points.
  • M and N are positive integers and satisfy: M ⁇ 2, N ⁇ 2.
  • At least one of the two diagonal reinforcing ribs corresponding to each of the quadrangles extends from one of the reinforcing points to the other. Strengthen it.
  • the plurality of reinforcing points in each column are spaced apart along the first direction, and each of the two corresponding pairs of the quadrilaterals
  • the corner ribs intersect diagonal diagonal points, and two adjacent diagonal reinforcing points corresponding to two adjacent quadrangles distributed along the first direction are provided to extend from one of the diagonal reinforcing points.
  • the plurality of reinforcing points in each column are spaced apart along the first direction, and each of the two corresponding pairs of the quadrilaterals
  • the corner stiffeners intersect diagonal reinforcement points, and the plurality of reinforcement points in each row are spaced apart along a second direction, the first direction is perpendicular to the second direction, and adjacent ones are distributed along the first direction.
  • a supplementary rib is provided between two of the diagonally reinforcing points corresponding to two of the quadrangles and extends from one of the diagonally reinforcing points to the other of the diagonally reinforcing points along the second direction. There are no supplementary ribs between two adjacent diagonal reinforcement points corresponding to two adjacent quadrangles in the distribution.
  • a supplementary reinforcing rib is provided between at least one of the reinforcing points located in the middle row of the basic unit.
  • an edge stiffener extending from one of the reinforcement points to another of the reinforcement points is provided between two of the reinforcement points distributed along the sides of the quadrangle.
  • the cover body is provided with at least one boss.
  • the boss is provided on an edge of the cover body, and at least one edge of the boss is coincident with the edge of the cover body.
  • the cover body is provided with at least one boss, and the side ribs extend to be connected to the boss.
  • the edge of the cover body is provided with a flange, and the flange is provided with a mounting position for installing the motor controller upper cover.
  • the connecting lines connected to the opposite installation positions form an intersection, and the reinforcing point is adjacent to the intersection.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

本申请公开了一种电机控制器上盖、电机控制器、驱动总成和车辆，电机控制器上盖，包括：盖本体，所述盖本体的表面设有多个加强点，多个所述加强点呈多排多列分布，M排*N列的所述加强点形成为基本单元，所述基本单元包括至少一个四边形，所述四边形的顶点处的四个所述加强点中沿对角分布的两个所述加强点之间设有从其中一个所述加强点向另一个所述加强点延伸的对角加强筋，且每个所述四边形对应的两个所述对角加强筋中的其中一个所述对角加强筋至少延伸至与另一个所述对角加强筋相交的位置，M和N均为正整数，且满足：M≥2，N≥2。

Description

电机控制器上盖、电机控制器、驱动总成和车辆
相关申请的交叉引用
本申请要求比亚迪股份有限公司于2018年6月28日提交的、发明名称为“电机控制器上盖、电机控制器、驱动总成和车辆”的中国专利申请号“201810689260.2”的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请属于车辆制造技术领域，具体而言，涉及一种电机控制器上盖、具有该电机控制器上盖的电机控制器、具有该电机控制器的驱动总成和具有该驱动总成的车辆。
背景技术
相关技术中，电动汽车的电机控制器上盖的结构设计只满足传统的振动试验和机械冲击试验。电机在高速运转时，电机控制器上盖结构的辐射噪声较大，长期使用会导致结构不稳定，且噪音易对驾驶员造成干扰，存在改进的空间。
发明内容
本申请旨在至少解决现有技术中存在的技术问题之一。为此，本申请的一个目的在于提出一种电机控制器上盖可增强模态，达到NVH要求。
根据本申请实施例的电机控制器上盖，包括：盖本体，所述盖本体的表面设有多个加强点，多个所述加强点呈多排多列分布，M排*N列的所述加强点形成为基本单元，所述基本单元包括至少一个四边形，所述四边形的顶点处的四个所述加强点中沿对角分布的两个所述加强点之间设有从其中一个所述加强点向另一个所述加强点延伸的对角加强筋，且每个所述四边形对应的两个所述对角加强筋中的其中一个所述对角加强筋至少延伸至与另一个所述对角加强筋相交的位置，M和N均为正整数，且满足：M≥2，N≥2。
根据本申请实施例的电机控制器上盖，盖本体的表面设有多个对角加强筋，对角加强筋可有效地增强电机控制器上盖的结构强度，使得电机控制器上盖具有稳定的力学性能，进而满足电机最大频率下振动时的共振要求，降低电机控制器上盖产生的噪音，具有很好的实用性。
本申请还提出了一种电机控制器。
根据本申请实施例的电机控制器，包括上述任一种实施例所述的电机控制器上盖。
本申请还提出了一种驱动总成。
根据本申请实施例的驱动总成，包括：电机、减速器和上述实施例所述的电机控制器，所述电机和所述减速器相连，所述电机控制器、所述电机、所述减速器集成设置。
本申请还提出了一种车辆。
根据本申请实施例的车辆，具有上述实施例所述的驱动总成。
所述电机控制器、驱动总成和车辆与上述的电机控制器上盖所具有的优势相同，在此不再赘述。
本申请的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本申请的实践了解到。
附图说明
本申请的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解，其中：
图1是根据本申请实施例的电机控制器上盖的结构示意图；
图2-图4是根据本申请实施例的电机控制器上盖的加强筋的仿真图形。
附图标记：
电机控制器上盖100，
盖本体1，加强点11，对角加强筋12，对角加强点13，补充加强筋14，边加强筋15，凸台16，翻边17，安装位18。
具体实施方式
下面详细描述本申请的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本申请，而不能理解为对本申请的限制。
下面参考图1描述根据本申请实施例的电机控制器上盖100，该电机控制器上盖100可安装于电机控制器以封闭电机控制器的上部，其中，电机控制器与电机壳体相连。
如图1-图4所示，本申请实施例的电机控制器上盖100包括盖本体1，盖本体1的表面设有多个加强点11，多个加强点11呈多排多列分布，M排*N列的加强点11形成为基本单元，基本单元包括至少一个四边形，四边形的顶点处的四个加强点11中沿对角分布的两个加强点11之间设有从其中一个加强点11向另一个加强点延伸的对角加强筋12，且每个四边形对应的两个对角加强筋12中的其中一个对角加强筋至少延伸至另一个对角加强筋12相交的位置，即对角加强筋12可不完全从其所对应的两个加强点11中的一个加强点11延伸到另一个加强点11。
在一些实施例中，每个四边形对应的两个对角加强筋12中的至少一个对角加强筋12从一个加强点11延伸到另一个加强点11。
如在图1中，四边形对应的两个对角加强筋12相交，且每个对角加强筋12从其所对应的两个加强点11中的一个加强点11延伸到另一个加强点11。或在图3和图4中，四边形对应的两个对角加强筋12中的一个对角加强筋12从其所对应的两个加强点11中的一个加强点11延伸到另一个加强点11，另一个对角加强筋12在延伸过程中产生两个分支，两个分支逐渐延伸至与一个对角加强筋12相交，且两个分支与一个对角加强筋12相交后并未持续延伸，即另一个对角加强筋12未从其所对应的两个加强点11中的一个加强点11延伸到另一个加强点11，以形成电机控制器上盖100的加强结构，进而通过多个对角加强筋12提高电机控制器上盖100的结构强度。M和N均为正整数，且满足：M≥2，N≥2，即四边形至少包括两排加强点11和两列加强点11，如M和N可为2、3、5等，且M可与N相等，或M可与N不相等。
电机控制器上盖100的多个加强点11的布置形式不限于此，也可通过设置其他形式的加强点11来设计对角加强筋12的延伸布置，同样可提高电机控制器上盖100的结构强度和刚度。
在一些实施例中，每列加强点11包括沿第一方向间隔开的多个，每排加强点11包括沿第二方向间隔开的多个，多排的多个加强点11与多列的多个加强点11交叉分布形成点阵结构，第一方向为图1中所示的a方向，第二方向为图1中所示的b方向。由此，多个加强点11可均匀地分布于盖本体1表面的各个区域。
在M＝N＝2时，如图1所示，四边形的顶点处的四个加强点11中沿对角分布的两个加强点11之间设有从其中一个加强点11延伸到另一个加强点11的对角加强筋12，即相邻两排及两列的四个加强点11形成为一个四边形的四个顶点，沿四边形的对角分布的两个加强点11之间设有从其中一个加强点11延伸到另一个加强点11的对角加强筋12，即四边形的四个顶点的对角线上设有对角加强筋12。由此，盖本体1的表面设有多个对角加强筋12，多个对角加强筋12可极大地提高电机控制器上盖100的结构强度。当然，还可在此结构上增加盖本体1及对角加强筋12的厚度，增强模态，达到NVH(噪声、振动与声振粗糙度)要求。在一个实施例中，盖本体1的厚度为5mm。
需要说明的是，电机在高转速下，频率高(驱动12000转/分钟)，电机对应的振动频率为800Hz。在盖本体1的表面设置多个对角加强筋12可有效地增强电机控制器上盖100的模态，使得电机控制器上盖100的固有频率达到800Hz以上，且设有多个对角加强筋12的电机控制器上盖100的一阶模态可达到的频率约为1024.3Hz＞800Hz，这样，在电机高 速运转时，电机控制器上盖100能够满足电机最大频率下振动时的共振要求，由此，减小电机控制器上盖100产生的噪声，减弱噪音干扰。同时提高电机控制器上盖100的结构强度和刚度，延长电机控制器上盖100的使用寿命。
根据本申请实施例的电机控制器上盖100，盖本体1的表面设有多个对角加强筋12，对角加强筋12可有效地增强电机控制器上盖100的结构强度，使得电机控制器上盖100具有稳定的力学性能，进而满足电机最大频率下振动时的共振要求，降低电机控制器上盖100产生的噪音，具有很好的实用性。
在M＝N＝2时，如图1所示，每列的多个加强点11沿第一方向间隔开分布，每个四边形对应的两个对角加强筋12交叉于对角加强点13，沿第一方向分布的相邻的两个四边形对应的两个对角加强点13之间设有从其中一个对角加强点13延伸到另一个对角加强点13的补充加强筋14，即补充加强筋14与对角加强筋12交叉相连。这样，多个补充加强筋14和多个对角加强筋12交叉分布于盖本体1的表面，增强电机控制器上盖100的结构强度和刚度，进而有效地增大电机控制器上盖100的整体结构的固有频率，以满足电机最大频率下振动时的共振要求，达到NVH要求。
可以理解的是，补充加强筋14与对角加强筋12交叉于对角加强点13，可将对角加强点13视为根系植物的种子点，补充加强筋14、对角加强筋12从对角加强点13处向不同的方向延伸，由此，盖本体1的表面的多个加强筋的分布形态可使得电机控制器上盖100具有最优的力学性能，增强电机控制器上盖100整体结构的稳定性。
在M＝N＝2时，如图1所示，每列的多个加强点11沿第一方向间隔开分布，每个四边形对应的两个对角加强筋12交叉于对角加强点13，每排的多个加强点11沿第二方向间隔开分布，第一方向与第二方向垂直。沿第一方向分布的相邻的两个四边形对应的两个对角加强点13之间设有从其中一个对角加强点13延伸到另一个对角加强点13的补充加强筋14，沿第二方向分布的相邻的两个四边形对应的两个对角加强点13之间不设补充加强筋14，即补充加强筋14均沿第一方向延伸，由此，在保证电机控制器上盖100的结构强度的情况下，减少补充加强筋14的数量，有效地节省盖本体1的生产成本，降低生产费用，提高电机控制器上盖100的经济性和实用性。
在N≥3时，位于基本单元中间列的至少一列加强点11之间设有补充加强筋14。如图3和图4所示，N＝3，即基本单元包括3列加强点，且该基本单元中间列的至少一列加强点11之间设有补充加强筋14，进而提高电机控制器上盖100的结构强度。
在M≥3，N≥3时，位于基本单元中间列的至少一列加强点11之间设有补充加强筋14，且位于基本单元中间排的加强点之间不设有补充加强筋14，在如图3和图4所示的实施例中，M＝3，N＝5，即基本单元包括3排加强点和5列加强点，5列加强点中的最中间一列的 加强点设有补充加强筋14，3排加强点中的最中间排的加强点之间不设有补充加强筋14，在保证电机控制器上盖100的结构强度的情况下，减少补充加强筋14的数量，有效地节省盖本体1的生产成本，降低生产费用，提高电机控制器上盖100的经济性和实用性。
如图1所示，沿四边形的边分布的两个加强点11之间设有从其中一个加强点11延伸到另一个加强点11的边加强筋15，即相邻两个加强点11之间设有边加强筋15，由此，沿第一方向延伸的多个边加强筋15通过加强点11连接为一个整体，沿第二方向延伸的多个边加强筋15通过加强点11连接为一个整体，且沿第一方向延伸的多个边加强筋15和沿第二方向延伸的多个边加强筋15交叉形成网状结构，且沿第二方向延伸的多个边加强筋15可与补充加强筋14交叉相连。由此，边加强筋15、补充加强筋14和对角加强筋12三者相互交叉相连形成网状结构，可极大地提高盖本体1整体结构的强度，进而有效地增大电机控制器上盖100的整体结构的固有频率，达到NVH要求。
在一些实施例中，盖本体1上设有至少一个凸台16，如图1所示，盖本体1设有四个凸台16，且四个凸台16间隔开分布于盖本体1的表面，凸台16凸出于盖本体1的表面，这样，可避免盖本体1的表面形成一个大平面，增加电机控制器上盖100的结构强度和刚度。且电机控制器上盖100的外表面需要增加电机控制器总成名牌信息、高压警示标签、出厂品质检验条码等。由此，可将电机控制器总成名牌信息、高压警示标签、出厂品质检验条码等贴于凸台16，结构设计合理，使用方便。
如图1所示，凸台16设于盖本体1的边沿，且凸台16的至少一个边沿与盖本体1的边沿重合，使得凸台16与盖本体1的边沿具有较高的连接强度，同时便于盖本体1的表面设置多个加强筋，使得盖本体1表面结构布局紧凑、设计有序。
盖本体1上设有至少一个凸台16，如图1所示，盖本体1上设有四个凸台16，边加强筋15延伸至与凸台16相连，可有效地提高盖本体1的结构强度和刚度。
在一些实施例中，盖本体1的边沿设有翻边17，翻边17沿盖本体1的周向延伸，翻边17设有安装位18，安装位18用于安装电机控制器上盖100，安装位18为多个，多个安装位18沿翻边17的延伸方向间隔开设置，即多个安装位18沿盖本体1的周向间隔开，电机控制器上盖100可通过螺纹紧固件固定于电机控制器的上部。
相对设置的安装位18相连的连线形成交叉点，加强点11邻近交叉点，加强点11处延伸有加强筋，由此，可提高交叉点处的结构强度，进而提高电机控制器上盖100的结构强度。
其中，多个对角加强筋12在盖本体1表面的分布形态与植物的根系分布形态相似。可以理解的是，植物生长根系***成长时，植物根系的生长方向可最有效地承受植物本身重力、风雪及地面载荷等，使其本身结构的力学性能最优。由此，对角加强筋12可极大地增 强电机控制器上盖100的结构强度，使得电机控制器上盖100具有稳定的力学性能，进而满足电机最大频率下振动时的共振要求，降低电机控制器上盖100噪音，提升电机控制器上盖100的使用性能。
图2-图4为电机控制器上盖100的加强筋的仿真图形，图中沿周向分布的8个黑点可模拟电机控制器上盖100的8个交叉点，其中，n是仿真软件的阶数，由图中可看出，阶数越大，仿真图形越趋向于加强筋需要设计的形状，即仿真图形越趋向于植物根系生长的延伸方向，由此，将加强筋的形状设置为与植物根系的生长形态相近，可极大地电机控制器上盖的强度，同时增加电机控制器上盖的固有频率，达到NVH要求。
本申请还提出了一种电机控制器。
根据本申请实施例的电机控制器，包括上述任一种实施例的电机控制器上盖100，电机控制器上盖100在安装位18处通过螺纹紧固件固定于电机控制器的上部，以将电机控制器的上部封闭，进而保证电机控制器内部工作环境稳定。
本申请还提出了一种驱动总成。
根据本申请实施例的驱动总成，包括：电机、减速器和上述实施例的电机控制器，其中，电机和减速器相连，电机控制器、电机、减速器集成设置，由此，可减小驱动总成所占的空间，使得驱动总成的整体各个部件之间安装更加紧凑，布局更合理。
本申请还提出了一种车辆。
根据本申请实施例的车辆，设置有上述实施例的驱动总成，驱动总成的电机控制器上盖100包括盖本体1，盖本体1的表面设有多个对角加强筋12，对角加强筋12可有效地增强电机控制器上盖100的结构强度，使得电机控制器上盖100具有稳定的力学性能，进而满足电机最大频率下振动时的共振要求，降低电机控制器上盖100产生的噪音，提升整车的舒适性和实用性，提升用户的使用体验。
根据本申请实施例的电机控制器上盖，包括：盖本体，所述盖本体的表面设有多个加强点，多个所述加强点呈多排多列分布，M排*N列的所述加强点形成为基本单元，所述基本单元包括至少一个四边形，所述四边形的顶点处的四个所述加强点中沿对角分布的两个所述加强点之间设有从其中一个所述加强点向另一个所述加强点延伸的对角加强筋，且每个所述四边形对应的两个所述对角加强筋中的其中一个所述对角加强筋至少延伸至与另一个所述对角加强筋相交的位置，M和N均为正整数，且满足：M≥2，N≥2。
根据本申请一个实施例的电机控制器上盖，每个所述四边形对应的两个所述对角加强筋中的至少一个所述对角加强筋从一个所述加强点延伸到另一个所述加强点。
根据本申请一个实施例的电机控制器上盖，在M＝N＝2时，所述四边形的顶点处的四个所述加强点中沿对角分布的两个所述加强点之间设有从其中一个所述加强点延伸到另一个 所述加强点的所述对角加强筋。
根据本申请一个实施例的电机控制器上盖，在M＝N＝2时，每列的多个所述加强点沿第一方向间隔开分布，每个所述四边形对应的两个所述对角加强筋交叉于对角加强点，沿所述第一方向分布的相邻的两个所述四边形对应的两个所述对角加强点之间设有从其中一个所述对角加强点延伸到另一个所述对角加强点的补充加强筋。
根据本申请一个实施例的电机控制器上盖，在M＝N＝2时，每列的多个所述加强点沿第一方向间隔开分布，每个所述四边形对应的两个所述对角加强筋交叉于对角加强点，每排的多个所述加强点沿第二方向间隔开分布，所述第一方向与所述第二方向垂直，沿所述第一方向分布的相邻的两个所述四边形对应的两个所述对角加强点之间设有从其中一个所述对角加强点延伸到另一个所述对角加强点的补充加强筋，沿所述第二方向分布的相邻的两个所述四边形对应的两个所述对角加强点之间不设补充加强筋。
根据本申请一个实施例的电机控制器上盖，在N≥3时，位于所述基本单元中间列的至少一列所述加强点之间设有补充加强筋。
根据本申请一个实施例的电机控制器上盖，在M≥3，N≥3时，位于所述基本单元中间列的至少一列所述加强点之间设有补充加强筋，位于所述基本单元中间排的所述加强点之间不设有补充加强筋。
根据本申请一个实施例的电机控制器上盖，沿所述四边形的边分布的两个所述加强点之间设有从其中一个所述加强点延伸到另一个所述加强点的边加强筋。
根据本申请一个实施例的电机控制器上盖，所述盖本体上设有至少一个凸台。
根据本申请一个实施例的电机控制器上盖，所述凸台设于所述盖本体的边沿，且所述凸台的至少一个边沿与所述盖本体的边沿重合。
根据本申请一个实施例的电机控制器上盖，所述盖本体上设有至少一个凸台，所述边加强筋延伸至与所述凸台相连。
根据本申请一个实施例的电机控制器上盖，所述盖本体的边沿设有翻边，所述翻边设有用于安装所述电机控制器上盖的安装位。
根据本申请一个实施例的电机控制器上盖，相对设置的安装位相连的连线形成交叉点，所述加强点邻近所述交叉点。
在本申请的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申 请的限制。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示意性实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
尽管已经示出和描述了本申请的实施例，本领域的普通技术人员可以理解：在不脱离本申请的原理和宗旨的情况下可以对这些实施例进行多种变化、修改、替换和变型，本申请的范围由权利要求及其等同物限定。

Claims (16)

  1. 一种电机控制器上盖，其特征在于，包括：盖本体，所述盖本体的表面设有多个加强点，多个所述加强点呈多排多列分布，M排*N列的所述加强点形成为基本单元，所述基本单元包括至少一个四边形，所述四边形的顶点处的四个所述加强点中沿对角分布的两个所述加强点之间设有从其中一个所述加强点向另一个所述加强点延伸的对角加强筋，且每个所述四边形对应的两个所述对角加强筋中的其中一个所述对角加强筋至少延伸至与另一个所述对角加强筋相交的位置，M和N均为正整数，且满足：M≥2，N≥2。
  2. 根据权利要求1所述的电机控制器上盖，其特征在于，每个所述四边形对应的两个所述对角加强筋中的至少一个所述对角加强筋从一个所述加强点延伸到另一个所述加强点。
  3. 根据权利要求1或2所述的电机控制器上盖，其特征在于，在M＝N＝2时，所述四边形的顶点处的四个所述加强点中沿对角分布的两个所述加强点之间设有从其中一个所述加强点延伸到另一个所述加强点的所述对角加强筋。
  4. 根据权利要求1-3中任一项所述的电机控制器上盖，其特征在于，在M＝N＝2时，每列的多个所述加强点沿第一方向间隔开分布，每个所述四边形对应的两个所述对角加强筋交叉于对角加强点，沿所述第一方向分布的相邻的两个所述四边形对应的两个所述对角加强点之间设有从其中一个所述对角加强点延伸到另一个所述对角加强点的补充加强筋。
  5. 根据权利要求1-4中任一项所述的电机控制器上盖，其特征在于，在M＝N＝2时，每列的多个所述加强点沿第一方向间隔开分布，每个所述四边形对应的两个所述对角加强筋交叉于对角加强点，每排的多个所述加强点沿第二方向间隔开分布，所述第一方向与所述第二方向垂直，沿所述第一方向分布的相邻的两个所述四边形对应的两个所述对角加强点之间设有从其中一个所述对角加强点延伸到另一个所述对角加强点的补充加强筋，沿所述第二方向分布的相邻的两个所述四边形对应的两个所述对角加强点之间不设补充加强筋。
  6. 根据权利要求1或2所述的电机控制器上盖，其特征在于，在N≥3时，位于所述基本单元中间列的至少一列所述加强点之间设有补充加强筋。
  7. 根据权利要求1或2所述的电机控制器上盖，其特征在于，在M≥3，N≥3时，位于所述基本单元中间列的至少一列所述加强点之间设有补充加强筋，位于所述基本单元中间排的所述加强点之间不设有补充加强筋。
  8. 根据权利要求1或2所述的电机控制器上盖，其特征在于，沿所述四边形的边分布的两个所述加强点之间设有从其中一个所述加强点延伸到另一个所述加强点的边加强筋。
  9. 根据权利要求1或2所述的电机控制器上盖，其特征在于，所述盖本体上设有至少 一个凸台。
  10. 根据权利要求9所述的电机控制器上盖，其特征在于，所述凸台设于所述盖本体的边沿，且所述凸台的至少一个边沿与所述盖本体的边沿重合。
  11. 根据权利要求8-10中任一项所述的电机控制器上盖，其特征在于，所述盖本体上设有至少一个凸台，所述边加强筋延伸至与所述凸台相连。
  12. 根据权利要求1或2所述的电机控制器上盖，其特征在于，所述盖本体的边沿设有翻边，所述翻边设有用于安装所述电机控制器上盖的安装位。
  13. 根据权利要求12所述的电机控制器上盖，其特征在于，相对设置的安装位相连的连线形成交叉点，所述加强点邻近所述交叉点。
  14. 一种电机控制器，其特征在于，包括如权利要求1-13中任一项所述的电机控制器上盖。
  15. 一种驱动总成，其特征在于，包括：电机、减速器和如权利要求14所述的电机控制器，所述电机和所述减速器相连，所述电机控制器、所述电机、所述减速器集成设置。
  16. 一种车辆，其特征在于，具有如权利要求15所述的驱动总成。
PCT/CN2019/093175 2018-06-28 2019-06-27 电机控制器上盖、电机控制器、驱动总成和车辆 WO2020001515A1 (zh)

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