WO2017092192A1 - 一种电机控制器 - Google Patents

一种电机控制器 Download PDF

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Publication number
WO2017092192A1
WO2017092192A1 PCT/CN2016/075900 CN2016075900W WO2017092192A1 WO 2017092192 A1 WO2017092192 A1 WO 2017092192A1 CN 2016075900 W CN2016075900 W CN 2016075900W WO 2017092192 A1 WO2017092192 A1 WO 2017092192A1
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WIPO (PCT)
Prior art keywords
circuit board
module
heat dissipation
dissipation wall
motor controller
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PCT/CN2016/075900
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English (en)
French (fr)
Inventor
黄风太
彭魏文
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中山大洋电机股份有限公司
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Publication of WO2017092192A1 publication Critical patent/WO2017092192A1/zh

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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating

Definitions

  • the utility model relates to a motor controller, belonging to the technical field of electric vehicles.
  • a DC-DC module In the existing electric vehicles, a DC-DC module, a plurality of power modules, and a plurality of motors are generally integrated, and the DC-DC module is used to increase a low-voltage power supply to some components in the electric vehicle, and a plurality of power modules are used for driving Multiple motors, the existing technical solution is to integrate multiple power modules into different controller cabinets, but because of the limited space in electric vehicles, if multiple power modules are integrated in different controller cabinets This will inevitably occupy a large amount of space inside the electric vehicle, making it larger in size and smaller in power density. In addition, the number of components increases, which is inconvenient for heat dissipation and management.
  • the purpose of the utility model is to provide a motor controller which is simple and compact in structure.
  • a motor controller includes a controller box, a DC-DC module, a capacitor module, a driving circuit board, a control circuit board, and at least two independent power modules, and a heat dissipation wall is disposed in the middle of the controller box, and the heat dissipation wall is disposed
  • the cavity in the middle of the controller box is divided into an upper cavity at the upper portion and a lower cavity at the lower portion, and a protrusion is arranged on the top surface of the upper cavity and the heat dissipation wall, and the capacitor module is mounted on the convex side and the heat dissipation wall.
  • a plurality of power modules are installed side by side on the other side of the protrusion and on the top surface of the heat dissipation wall, and the driving circuit board and the control circuit board are installed in the upper cavity, and the control circuit board controls the driving circuit board to drive the power module.
  • the DC-DC module is installed in the lower cavity and on the bottom surface of the heat dissipation wall.
  • a cooling water channel is opened on the heat dissipation wall and a water inlet and a water outlet connected to the cooling water channel are provided, and the DC-DC module is passed through the cooling water channel.
  • the capacitor module and the power module perform unified heat dissipation.
  • the above-mentioned convex side is provided with a groove on the top surface of the heat dissipation wall, and at least two side-by-side water tanks are arranged on the other side of the convex wall and the top surface of the heat dissipation wall, and the capacitor module is installed in the groove and convex Tightly attached together, a power module is installed on each sink, and the needle bed is extended downward from the bottom surface of the power module, and the needle bed extends into the sink.
  • the water flow passage extending along the longitudinal direction thereof is opened in the middle of the protrusion, and the water inlet, the plurality of water tanks, the water flow passage and the water outlet are sequentially connected.
  • the DC busbar is mounted on the top surface of the protrusion, and the capacitor module and the plurality of power modules are electrically connected through the DC busbar, and the external DC power source is input to each power module through the DC busbar.
  • Two high-voltage DC input terminals are mounted on one side of the controller box outside the upper cavity, and the high-voltage DC input terminal is electrically connected with the DC busbar, and a through hole is opened in the heat dissipation wall.
  • the upper cavity and the lower cavity are in communication, and the high voltage direct current input terminal and the DC-DC module are electrically connected together by a wire, and the wire passes through the middle of the through hole.
  • the number of the above power modules is two, and one driving circuit board is installed on the top surface of each power module, and the control circuit board is installed above the driving circuit board and inside the upper cavity, and the control circuit board and the driving circuit are controlled.
  • the boards are electrically connected together by a board-to-board connector.
  • each driving circuit board with three current sensors, and a copper column is arranged in the middle of each current sensor, and the copper column passes through the middle of the current sensor, on the side of the upper cavity and on the side of the controller box.
  • the low voltage signal connector is soldered and mounted on the control circuit board, and the low voltage signal connector protrudes outward from the controller cabinet.
  • the fuse is installed in the controller box, and the fuse and the DC-DC module are all connected with the control circuit board.
  • the low-voltage output terminal is mounted on one of the side surfaces of the controller case outside the lower cavity, and the low-voltage output terminal is electrically connected to the DC-DC module.
  • the cover plate is respectively mounted on the top and the bottom of the controller case, and the two cover plates respectively seal the opening at the top of the cavity and the opening at the bottom of the lower cavity.
  • the capacitor module is installed inside the groove and is closely attached to the protrusion.
  • a power module is installed on each sink, and the needle bed is extended from the bottom surface of the power module, and the needle bed is inserted into the sink.
  • a water flow channel extending along the length thereof is opened in the middle of the protrusion, and the water inlet, the plurality of water tanks, the water flow channel and the water outlet are sequentially connected, and the cooling structure of the motor controller is simple and ingenious, and the DC-DC module can be passed through the cooling water channel.
  • the capacitor module and the power module perform unified heat dissipation, and the heat dissipation efficiency is high and the effect is ideal;
  • a through hole is formed in the heat dissipation wall, and the through hole communicates the upper cavity and the lower cavity, and the high voltage DC input terminal and the DC-DC module are electrically connected together through the wire, and the wire passes through the middle of the through hole.
  • the structure is simple, the connection is convenient and reliable;
  • the control circuit board and the driving circuit board are electrically connected together through the board-to-board connector, and the structure is simple, the connection is convenient and reliable, and the technical solution of using the wire harness connection control circuit board and the driving circuit board is used, and the board is used.
  • the board connector connection can save space and cost;
  • a cover plate is respectively installed at the top and the bottom of the controller box, and the two cover plates respectively seal the opening at the top of the upper cavity and the opening at the bottom of the lower cavity, and the structure is simple, thereby increasing the sealing property of the controller box. Effectively ensure that the components inside the controller cabinet are not contaminated, to ensure the stability of their work and to extend their Life expectancy.
  • Figure 1 is a perspective view of one angle of the motor controller in the embodiment
  • Figure 2 is a perspective view of another angle of the motor controller in the embodiment
  • Figure 3 is a first exploded view of the motor controller in the embodiment
  • Figure 4 is a second exploded view of the motor controller in the embodiment
  • Figure 5 is a third exploded view of the motor controller in the embodiment.
  • Figure 6 is a plan view of the motor controller in the embodiment.
  • Figure 7 is a cross-sectional view taken along line A-A of Figure 6;
  • Figure 8 is a cross-sectional view taken along line B-B of Figure 6;
  • Figure 9 is a perspective view of the controller case in the embodiment.
  • Figure 10 is a cross-sectional view showing the structure of a controller case in the embodiment.
  • Embodiment 1 As shown in FIG. 1 to FIG. 10, this embodiment is a motor controller including a controller box 1, a DC-DC module 2, a capacitor module 3, a driving circuit board 4, a control circuit board 5, and Two independent power modules 6 are disposed in the middle of the controller box 1 with a heat dissipation wall 11 which divides the cavity in the middle of the controller box 1 into an upper cavity 100 at the upper portion and a lower cavity 101 at the lower portion. In the upper cavity 100, a top surface of the heat dissipation wall 11 is provided with a protrusion 110.
  • a top surface of the heat dissipation wall 11 is provided with a groove 113, on the other side of the protrusion 110, a heat dissipation wall
  • the top surface of the 11 is provided with two side by side water tanks 114.
  • the capacitor module 3 is mounted inside the recess 113 and is closely attached to the protrusion 110.
  • One power module 6 is mounted on each of the water tanks 114, and the power module is installed.
  • the needle bed 61 is extended downwardly on the bottom surface of the needle 6.
  • the needle bed 61 extends into the water tank 114.
  • the heat generated by the power module 6 is transmitted to the needle bed 61, and the cooling water flowing from the water tank 114 carries the needle bed 61.
  • the heat on the heat thus achieves heat dissipation to the power module 6.
  • the driving circuit board 4 and the control circuit board 5 are both mounted in the upper cavity 100, wherein one driving circuit board 4 is mounted on the top surface of each power module 6, and the upper surface of the upper circuit 100 is mounted on the driving circuit board 4.
  • the control circuit board 5 is mounted, and the control circuit board 5 and the driving circuit board 4 are electrically connected together through a board-to-board connector (not shown), and the control circuit board 5 controls the driving circuit board 4 to drive the power module. 6 running work.
  • the DC-DC module 2 is mounted on the bottom surface of the lower cavity 101 and on the bottom surface of the heat dissipation wall 11.
  • the cooling water wall 11 is provided with a cooling water channel and is provided with a water inlet 111 and a water outlet 112 communicating with the cooling water channel.
  • a nozzle 84 is mounted on the controller casing 1, and the DC-DC module 2, the capacitor module 3, and the power module 6 are uniformly radiated through the cooling water passage.
  • a water flow channel 1100 extending along a length thereof is opened in the middle of the protrusion 110.
  • the water inlet 111, the two water tanks 114, the water flow channel 1100 and the water outlet 112 are sequentially connected.
  • the cooling water channel includes the two water tanks 114 and the water flow.
  • the channel 1100 heats the power module 6 through the water tank 114, and dissipates the capacitor module 3 and the DC busbar 7 mounted on the top surface of the bump 110 through the water flow channel 1100.
  • a DC busbar 7 is mounted on the top surface of the protrusion 110, and the capacitor module 3 and the plurality of power modules 6 are electrically connected together through the DC busbar 7, and an external DC power source is input to each power module 6 through the DC busbar 7. .
  • Two high-voltage DC input terminals 81 are mounted on one of the sides of the controller housing 1 outside the upper cavity 100. The high-voltage DC input terminal 81 is electrically connected to the DC busbar 7 and is opened on the heat dissipation wall 11. a hole 115, the through hole 115 communicates the upper cavity 100 and the lower cavity 101, and the high voltage DC input terminal 81 and the DC-DC module 2 are electrically connected together by a wire, and the wire passes through the through hole 115.
  • the wire can be made of high voltage DC harness.
  • the high-voltage DC input terminal 81 and the DC-DC module 2 may be connected by other conductive connectors as long as the electrical connection between the two can be achieved.
  • Three current sensors 91 are mounted on the top surface of each of the driving circuit boards 4, and a copper post 92 is disposed in the middle of each current sensor 91.
  • the copper post 92 passes through the middle of the current sensor 91, and is controlled outside the upper cavity 100.
  • Six AC output terminals 82 are mounted on the side of the cabinet 1 , and one AC output terminal 82 is electrically connected to one copper post 92 , and the AC output terminal 82 , the copper post 92 and the power module 6 are locked by using screws. tight.
  • a low voltage signal connector 51 is mounted on the control circuit board 5, and the low voltage signal connector 51 extends outward from the controller housing 1. All signals on the control circuit board 5 can pass through the low voltage signal connector 51. The externally input control signal is outputted or received through the low voltage signal connector 51.
  • a fuse 12 is mounted in the controller housing 1.
  • the fuse 12 is mounted on the heat dissipation wall 11, and the fuse 12 and the DC-DC module 2 are connected to the control circuit board 5 to enable the control circuit board. 5
  • the state of the fuse 12 can be detected at any time.
  • the control circuit board 5 can stop the operation of the motor controller at any time to ensure the safety of the motor controller.
  • a low voltage output terminal 83 is mounted on one of the sides of the controller housing 1 outside the lower cavity 101.
  • the low voltage output terminal 83 is electrically connected to the DC-DC module 2, and the DC-DC module 2 is externally passed through the low voltage output terminal 83.
  • Output 12V or 24V low-voltage DC to provide a stable and reliable power supply for other components in the car.
  • the low voltage output terminal 83, the water nozzle 84 and the high voltage DC input terminal 81 are located on the same outer side A of the controller housing 1, and the low voltage signal connector 51 is located on the outer side B of the controller housing 1, the outer side A and The outer side surface B is opposed to each other, the alternating current output terminal 82 is located on the outer side surface C of the controller casing 1, and the outer side surface C is located between the outer side surface A and the outer side surface B.
  • a cover plate 10 is mounted on the top and bottom of the controller housing 1, respectively, and the two cover plates 10 respectively seal the opening at the top of the cavity 100 and the opening at the bottom of the lower cavity 101.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Rectifiers (AREA)
  • Inverter Devices (AREA)

Abstract

一种电机控制器,包括控制器箱体(1)、DC-DC模块(2)、电容模块(3)、驱动线路板(4)、控制线路板(5)以及至少2个独立的功率模块(6),在控制器箱体(1)中间设置有散热墙(11),散热墙(11)把控制器箱体(1)中间的空腔分割为位于上部的上空腔(100)和位于下部的下空腔(101),在上空腔(100)里面、散热墙(11)的顶面上设置有凸起(110),电容模块(3)安装在凸起(110)一侧、散热墙(11)的顶面上,多个功率模块(6)并排地安装在凸起(110)另一侧、散热墙(11)的顶面上,驱动线路板(4)和控制线路板(5)均安装在上空腔(100)里面,控制线路板(5)控制驱动线路板(4)驱动功率模块(6)运行工作,DC-DC模块(2)安装在下空腔(101)里面、散热墙(11)的底面上,在散热墙(11)上开设有冷却水道并设置有与冷却水道连通的进水口(111)和出水口(112),通过冷却水道对DC-DC模块(2)、电容模块(3)以及功率模块(6)进行统一散热,其结构简单、紧凑。

Description

一种电机控制器 技术领域:
本实用新型涉及一种电机控制器,属于电动汽车技术领域。
背景技术:
在现有的电动汽车中,普遍集成有DC-DC模块、多个功率模块、多台电机,DC-DC模块用于向电动汽车中的部分零部件提高低压电源,多个功率模块用于驱动多台电机,现有的技术方案是把多个功率模块分别集成在不同的控制器箱体里面,但是由于电动汽车中空间有限,若把多个功率模块分别集成在不同的控制器箱体里面,这将势必占用电动汽车里面大量的空间,使得其体积变大、功率密度变小,此外零部件增加,不便于散热和管理。
发明内容:
本实用新型的目的是提供一种电机控制器,其结构简单、紧凑。
本实用新型的目的是通过下述技术方案予以实现的。
一种电机控制器,包括控制器箱体、DC-DC模块、电容模块、驱动线路板、控制线路板以及至少2个独立的功率模块,在控制器箱体中间设置有散热墙,散热墙把控制器箱体中间的空腔分割为位于上部的上空腔和位于下部的下空腔,在上空腔里面、散热墙的顶面上设置有凸起,电容模块安装在凸起一侧、散热墙的顶面上,多个功率模块并排地安装在凸起另一侧、散热墙的顶面上,驱动线路板和控制线路板均安装在上空腔里面,控制线路板控制驱动线路板驱动功率模块运行工作,DC-DC模块安装在下空腔里面、散热墙的底面上,在散热墙上开设有冷却水道并设置有与冷却水道连通的进水口和出水口,通过冷却水道对DC-DC模块、电容模块以及功率模块进行统一散热。
上述在凸起一侧、散热墙的顶面上设置有凹槽,在凸起另一侧、散热墙的顶面上设置有至少2个并排的水槽,电容模块安装在凹槽里面并且与凸起紧贴在一起,在每个水槽上安装有1个功率模块,从功率模块的底面上往下伸出针床,针床伸入到水槽里面。
上述在凸起中间开设有沿其长度方向延伸的水流通道,进水口、多个水槽、水流通道和出水口依次连通。
上述在凸起的顶面上安装有直流母排,通过直流母排把电容模块以及多个功率模块电连接在一起,外部直流电源通过直流母排输入到每个功率模块。
上述在上空腔外、控制器箱体的其中1个侧面上安装有2个高压直流输入端子,高压直流输入端子与直流母排电连接在一起,在散热墙上开设有通孔,通孔把上空腔和下空腔连通,高压直流输入端子与DC-DC模块之间通过导线电连接在一起,所述导线从通孔中间穿过。
上述功率模块的数量为2个,在每个功率模块的顶面上均安装有1块驱动线路板,在驱动线路板上方、上空腔里面安装有所述控制线路板,控制线路板与驱动线路板之间通过板对板连接器电连接在一起。
上述在每块驱动线路板的顶面上安装有3个电流传感器,在每个电流传感器中间设置有一铜柱,铜柱从电流传感器中间穿过,在上空腔外、控制器箱体的侧面上安装有6个交流输出端子,1个交流输出端子与1个铜柱电连接在一起。
上述在控制线路板上焊接安装有低压信号连接器,低压信号连接器从控制器箱体往外伸出。
上述在控制器箱体里面安装有熔断器,熔断器、DC-DC模块均与控制线路板建立通信连接。
上述在下空腔外、控制器箱体的其中1个侧面上安装有低压输出端子,低压输出端子与DC-DC模块电连接在一起。
上述在控制器箱体的顶部和底部分别安装有盖板,2个盖板分别密封上空腔顶部的开口和下空腔底部的开口。
本实用新型与现有技术相比,具有如下效果:
1)通过把DC-DC模块、电容模块、驱动线路板、控制线路板以及至少2个独立的功率模块集成在同一个控制器箱体里面,并且重新设计控制器箱体的结构和合理安排各个零部件的布局,使得整个电机控制器结构更加紧凑,在减小 其体积的同时,增加了其功率密度,此外还减少了零部件的数量,便于生产管理;
2)电容模块安装在凹槽里面并且与凸起紧贴在一起,在每个水槽上安装有1个功率模块,从功率模块的底面上往下伸出针床,针床伸入到水槽里面,在凸起中间开设有沿其长度方向延伸的水流通道,进水口、多个水槽、水流通道和出水口依次连通,电机控制器的冷却结构简单、巧妙,可以通过冷却水道对DC-DC模块、电容模块以及功率模块进行统一散热,散热效率高并且效果理想;
3)现有技术中,缺少对直流母排散热的考虑,但是由于从直流母排流过的是高压直流电源,因此实际上直流母排的发热量是相对较大的,本实用新型中直流母排安装在凸起的顶面上,凸起与直流母排直接接触使得凸起可以带走直流母排部分的热量,进一步的,冷却水从设置在凸起中间的水流通道流过可以带走更多的热量,以此实现对直流母排快速散热的目的;
4)在散热墙上开设有通孔,通孔把上空腔和下空腔连通,高压直流输入端子与DC-DC模块之间通过导线电连接在一起,所述导线从通孔中间穿过,结构简单、连接方便、可靠;
5)控制线路板与驱动线路板之间通过板对板连接器电连接在一起,结构简单、连接方便、可靠,相对于现有采用线束连接控制线路板与驱动线路板的技术方案,使用板对板连接器连接可以有效节省空间和成本;
6)在每块驱动线路板的顶面上安装有3个电流传感器,在每个电流传感器中间设置有一铜柱,铜柱从电流传感器中间穿过,在上空腔外、控制器箱体的侧面上安装有6个交流输出端子,1个交流输出端子与1个铜柱电连接在一起,相对于现有采用交流铜排往外输出交流电的技术方案,本技术方案结构更加简单、紧凑,连接更加方便、可靠;
7)在控制器箱体的顶部和底部分别安装有盖板,2个盖板分别密封上空腔顶部的开口和下空腔底部的开口,结构简单,增加控制器箱体的密封性,以此有效保证控制器箱体里面各零部件不受污染,保证其工作的稳定性和延长其使 用寿命。
附图说明:
图1是实施例中电机控制器1个角度的立体图;
图2是实施例中电机控制器另1个角度的立体图;
图3是实施例中电机控制器的第1个爆炸图;
图4是实施例中电机控制器的第2个爆炸图;
图5是实施例中电机控制器的第3个爆炸图;
图6是实施例中电机控制器的俯视图;
图7是图6中A-A线剖视图;
图8是图6中B-B线剖视图;
图9是实施例中控制器箱体的立体图;
图10是实施例中控制器箱体的结构剖视图。
具体实施方式:
下面通过具体实施例并结合附图对本实用新型作进一步详细的描述。
实施例一:如图1至图10所示,本实施例是一种电机控制器,包括控制器箱体1、DC-DC模块2、电容模块3、驱动线路板4、控制线路板5以及2个独立的功率模块6,在控制器箱体1中间设置有散热墙11,散热墙11把控制器箱体1中间的空腔分割为位于上部的上空腔100和位于下部的下空腔101,在上空腔100里面、散热墙11的顶面上设置有凸起110,在凸起110一侧、散热墙11的顶面上设置有凹槽113,在凸起110另一侧、散热墙11的顶面上设置有2个并排的水槽114,电容模块3安装在凹槽113里面并且与凸起110紧贴在一起,在每个水槽114上安装有1个功率模块6,从功率模块6的底面上往下伸出针床61,针床61伸入到水槽114里面,功率模块6产生的热量会传导到针床61上,从水槽114流过的冷却水会带走针床61上的热量从而实现对功率模块6的散热。驱动线路板4和控制线路板5均安装在上空腔100里面,其中在每个功率模块6的顶面上均安装有1块驱动线路板4,在驱动线路板4上方、上空腔100里面安 装有所述控制线路板5,控制线路板5与驱动线路板4之间通过板对板连接器(图中未示出)电连接在一起,控制线路板5控制驱动线路板4驱动功率模块6运行工作。DC-DC模块2安装在下空腔101里面、散热墙11的底面上,在散热墙11上开设有冷却水道并设置有与冷却水道连通的进水口111和出水口112,优选的,在进水口111和出水口112处、控制器箱体1上安装有水嘴84,通过冷却水道对DC-DC模块2、电容模块3以及功率模块6进行统一散热。
在凸起110中间开设有沿其长度方向延伸的水流通道1100,进水口111、2个水槽114、水流通道1100和出水口112依次连通,上述冷却水道包括所述2个水槽114和所述水流通道1100,通过水槽114对功率模块6进行散热,通过水流通道1100对电容模块3以及安装在凸起110顶面上的直流母排7进行散热。
在凸起110的顶面上安装有直流母排7,通过直流母排7把电容模块3以及多个功率模块6电连接在一起,外部直流电源通过直流母排7输入到每个功率模块6。在上空腔100外、控制器箱体1的其中1个侧面上安装有2个高压直流输入端子81,高压直流输入端子81与直流母排7电连接在一起,在散热墙11上开设有通孔115,通孔115把上空腔100和下空腔101连通,高压直流输入端子81与DC-DC模块2之间通过导线电连接在一起,所述导线从通孔115中间穿过,所述导线可采用高压直流线束。除了导线,高压直流输入端子81与DC-DC模块2之间可以采用其它导电连接件连接,只要可以实现两者之间的电连接即可。
在每块驱动线路板4的顶面上安装有3个电流传感器91,在每个电流传感器91中间设置有一铜柱92,铜柱92从电流传感器91中间穿过,在上空腔100外、控制器箱体1的侧面上安装有6个交流输出端子82,1个交流输出端子82与1个铜柱92电连接在一起,通过使用螺钉把交流输出端子82、铜柱92与功率模块6锁紧。
在控制线路板5上焊接安装有低压信号连接器51,低压信号连接器51从控制器箱体1往外伸出,控制线路板5上所有的信号可以通过低压信号连接器51 往外输出或者通过低压信号连接器51接收外部输入的控制信号。
在控制器箱体1里面安装有熔断器12,优选的,熔断器12安装在散热墙11上,熔断器12、DC-DC模块2均与控制线路板5建立通信连接,以使控制线路板5可随时检测熔断器12的状态,当熔断器12动作时,控制线路板5可随时停止电机控制器运行,确保电机控制器安全。
在下空腔101外、控制器箱体1的其中1个侧面上安装有低压输出端子83,低压输出端子83与DC-DC模块2电连接在一起,DC-DC模块2通过低压输出端子83往外输出12V或者24V低压直流电,以此为汽车里面其他零部件提供稳定、可靠的电源。
低压输出端子83、水嘴84和高压直流输入端子81位于控制器箱体1相同的1个外侧面A上,低压信号连接器51位于控制器箱体1的外侧面B上,外侧面A和外侧面B相对,交流输出端子82位于控制器箱体1的外侧面C上,外侧面C位于外侧面A和外侧面B之间。
在控制器箱体1的顶部和底部分别安装有盖板10,2个盖板10分别密封上空腔100顶部的开口和下空腔101底部的开口。
以上实施例为本实用新型的较佳实施方式,但本实用新型的实施方式不限于此,其他任何未背离本实用新型的精神实质与原理下所作的改变、修饰、替代、组合、简化,均为等效的置换方式,都包含在本实用新型的保护范围之内。

Claims (11)

  1. 一种电机控制器,包括控制器箱体(1)、DC-DC模块(2)、电容模块(3)、驱动线路板(4)、控制线路板(5)以及至少2个独立的功率模块(6),其特征在于:在控制器箱体(1)中间设置有散热墙(11),散热墙(11)把控制器箱体(1)中间的空腔分割为位于上部的上空腔(100)和位于下部的下空腔(101),在上空腔(100)里面、散热墙(11)的顶面上设置有凸起(110),电容模块(3)安装在凸起(110)一侧、散热墙(11)的顶面上,多个功率模块(6)并排地安装在凸起(110)另一侧、散热墙(11)的顶面上,驱动线路板(4)和控制线路板(5)均安装在上空腔(100)里面,控制线路板(5)控制驱动线路板(4)驱动功率模块(6)运行工作,DC-DC模块(2)安装在下空腔(101)里面、散热墙(11)的底面上,在散热墙(11)上开设有冷却水道并设置有与冷却水道连通的进水口(111)和出水口(112),通过冷却水道对DC-DC模块(2)、电容模块(3)以及功率模块(6)进行统一散热。
  2. 根据权利要求1所述的一种电机控制器,其特征在于:在凸起(110)一侧、散热墙(11)的顶面上设置有凹槽(113),在凸起(110)另一侧、散热墙(11)的顶面上设置有至少2个并排的水槽(114),电容模块(3)安装在凹槽(113)里面并且与凸起(110)紧贴在一起,在每个水槽(114)上安装有1个功率模块(6),从功率模块(6)的底面上往下伸出针床(61),针床(61)伸入到水槽(114)里面。
  3. 根据权利要求2所述的一种电机控制器,其特征在于:在凸起(110)中间开设有沿其长度方向延伸的水流通道(1100),进水口(111)、多个水槽(114)、水流通道(1100)和出水口(112)依次连通。
  4. 根据权利要求1或2或3所述的一种电机控制器,其特征在于:在凸起(110)的顶面上安装有直流母排(7),通过直流母排(7)把电容模块(3)以及多个功率模块(6)电连接在一起,外部直流电源通过直流母排(7)输入到每个功率模块(6)。
  5. 根据权利要求4所述的一种电机控制器,其特征在于:在上空腔(100)外、控制器箱体(1)的其中1个侧面上安装有2个高压直流输入端子(81),高压直流输入端子(81)与直流母排(7)电连接在一起,在散热墙(11)上开设有通孔(115),通孔(115)把上空腔(100)和下空腔(101)连通,高压直流输入端子(81)与DC-DC模块(2)之间通过导线电连接在一起,所述导线从通孔(115)中间穿过。
  6. 根据权利要求1或2或3所述的一种电机控制器,其特征在于:所述功率模块(6)的数量为2个,在每个功率模块(6)的顶面上均安装有1块驱动线路板(4),在驱动线路板(4)上方、上空腔(100)里面安装有所述控制线路板(5),控制线路板(5)与驱动线路板(4)之间通过板对板连接器电连接在一起。
  7. 根据权利要求6所述的一种电机控制器,其特征在于:在每块驱动线路板(4)的顶面上安装有3个电流传感器(91),在每个电流传感器(91)中间设置有一铜柱(92),铜柱(92)从电流传感器(91)中间穿过,在上空腔(100)外、控制器箱体(1)的侧面上安装有6个交流输出端子(82),1个交流输出端子(82)与1个铜柱(92)电连接在一起。
  8. 根据权利要求6所述的一种电机控制器,其特征在于:在控制线路板(5)上焊接安装有低压信号连接器(51),低压信号连接器(51)从控制器箱体(1)往外伸出。
  9. 根据权利要求8所述的一种电机控制器,其特征在于:在控制器箱体(1)里面安装有熔断器(12),熔断器(12)、DC-DC模块(2)均与控制线路板(5)建立通信连接。
  10. 根据权利要求1或2或3所述的一种电机控制器,其特征在于:在下空腔(101)外、控制器箱体(1)的其中1个侧面上安装有低压输出端子(83),低压输出端子(83)与DC-DC模块(2)电连接在一起。
  11. 根据权利要求1或2或3所述的一种电机控制器,其特征在于:在控 制器箱体(1)的顶部和底部分别安装有盖板(10),2个盖板(10)分别密封上空腔(100)顶部的开口和下空腔(101)底部的开口。
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