CN107393893B - 功率电子设备和具有该设备的车辆 - Google Patents
功率电子设备和具有该设备的车辆 Download PDFInfo
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Abstract
本发明提出了一种功率电子设备及具有该设备的车辆,所述功率电子设备实现为具有功率半导体模块、接触弹簧、负载连接元件和实现为电操作车辆的一部分的安装装置,其中所述功率半导体模块具有优选地从该功率半导体模块的内部向外伸出的负载连接元件,并且在那里优选地具有第一外部接触面,即用于外部连接的接触面,并且其中所述负载连接元件具有第二接触面。利用所述接触弹簧在所述第一接触面和第二接触面之间实现导电压力接触连接,其中为此需要的、在接触弹簧上的压力利用所述功率半导体模块以摩擦锁定方式连接到所述安装装置的事实来实现。
Description
技术领域
本发明描述了一种具有功率半导体模块和安装装置的功率电子设备,以及一种具有所述设备的电动车辆。
背景技术
在现有技术中已知有用于电池操作的工业卡车中的电子功率构件的安装装置,例如在DE 10 2010 053 135 A1中公开的,所述安装单元具有能够附接到工业卡车的紧固构件的安装板、承载功率电子器件的半导体板,和覆盖半导体板的外罩盖,其中半导体板被直接地附接到安装板。
发明内容
在指定的现有技术的背景下,本发明基于在功率电子设备和车辆的范围内提供一种功率半导体模块的目的,其中功率半导体模块与车辆的集成是以特别有效的方式构造的。
根据本发明利用以下所述的功率电子设备并且利用以下所述的车辆实现了这个目的。下文中还描述了优选的实施例。
根据本发明的功率电子设备被实现为具有功率半导体模块、接触弹簧、负载连接元件(load-connecting element)及优选地实现为电操作车辆的一部分的安装装置,其中功率半导体模块具有优选地从功率半导体模块的内部向外伸出的负载连接元件(load-connection element)并且在那里优选地具有第一外部接触面,即用于外部连接的接触面,并且其中负载连接元件具有第二接触面。利用接触弹簧在第一接触面和第二接触面之间实现了导电压力接触连接,即摩擦锁定接触,其中为此需要的、在接触弹簧上的压力利用功率半导体模块以摩擦锁定方式(优选地利用螺钉连接)而连接到安装装置的事实来实现。
在一方面,能够有利的是,导电压力接触连接被实现为第一接触面和第二接触面之间的直接连接。
在另一方面,能够有利的是,导电压力接触连接被实现为第一接触面和第二接触面之间的间接连接,优选地是,接触弹簧被布置在第一和第二接触面之间并且被以导电的方式实现,其中接触弹簧的第三接触面相应地与第一接触面直接电接触,并且接触弹簧的第四接触面相应地与第二接触面直接电接触。
特别优选的是,安装装置具有优选地由电绝缘材料构成的销。在这方面,销能够延伸到接触弹簧的内部中,其中接触弹簧被实现为螺旋弹簧。类似地,销能够延伸通过负载连接元件中的切口。此外,销能够延伸到负载连接元件的内部中,其中负载连接元件被至少部分地实现为接触套筒。
在一方面,能够有利的是,负载连接元件通过功率半导体模块的塑料外罩向外伸出。在另一方面,负载连接元件能够通过功率半导体模块的、优选地实现冷却装置的一部分的金属底板向外伸出,其中还优选的是,负载连接元件相对于底板电绝缘。
根据本发明的电驱动车辆尤其被实现为具有根据前面所述的功率电子装置、能量存储装置和作为主驱动器或者辅助驱动器的电驱动马达。
特别有利的是,安装装置是驱动轴的一体构件。
还有利的是,能量存储装置和驱动马达利用多个负载连接元件和所分配的负载连接元件以导电方式连接到功率电子设备的功率半导体模块。
显然,只要就本身而言不被排除,则以单数形式规定的特征,特别地,负载连接元件和负载连接元件以及接触弹簧和销,能够在相应的设备或者车辆中存在多次。
当然,为了实现改进,本发明的各种细化能够单独地或者以任何期望的组合实现。特别地,在不偏离本发明的范围的情况下,以上和以下规定和解释的特征能够不仅被以规定的组合使用,而且还能够以其它的组合使用或者独自地使用,而与它们是否在设备或者车辆的范围内规定无关。
附图说明
图1是根据本发明的功率电子设备的第一细化的示意图。
图2是根据本发明的功率电子设备的第二细化的示意图。
图3到5是根据本发明的功率电子设备的第三细化的不同变型的示意图。
图6以三维视图示出根据本发明的功率电子设备的第三细化的进一步的变型。
图7是根据本发明的电动车辆的示意图。
具体实施方式
图1是根据本发明的功率电子设备1的第一细化的分解示意的示意图。所述设备1具有功率半导体模块3,对于功率半导体模块3的部件,功率半导体模块3由外罩30、电路载体4和金属底板构成,所述金属底板在这里被实现为空气冷却装置52。电路载体4在这里利用热传导层502布置在空气冷却装置52上,并且相对于空气冷却装置52被覆盖或者被在这里具有罐的形式的外罩30包围。
在这个细化中,电路载体4具有传统的基板40,基板40具有陶瓷绝缘本体402,陶瓷绝缘本体402在背离空气冷却装置52的一侧上具有多个导体轨道404,并且在面对空气冷却装置52的一侧上具有金属叠层400。导体轨道404支承半导体构件42,半导体构件42利用内部连接装置44适当地连接,以实现电路,内部连接装置44类似地在这里以常规方式利用导电膜440、444和电绝缘膜442实现。
外罩30在它背离空气冷却装置52的一侧上具有两个切口300、302。第一切口300用于引导负载连接元件34,负载连接元件34因此从功率半导体模块3的内部向外伸出,而第二切口302用于引导辅助连接元件32,辅助连接元件32在这里被实现为弹簧。
负载连接元件34在这里被实现为电流传导套筒,更加精确地说是被实现为中空柱体,并且与功率半导体模块3的内部中的基板40的导体轨道404接触。
此外,诸如能够例如是工业卡车的一部分的安装装置8仅作为细节示出。该安装装置8具有绝缘材料本体82,对于其部件,绝缘材料本体82具有与绝缘材料本体一体实现的销84。这个销84用于布置负载连接元件7的、被实现为接触孔眼的接触本体70。这个接触孔眼具有连续切口700,利用连续切口700,它被布置在安装装置8的绝缘材料本体82的销84上。连接线72从接触孔眼引出,并且例如用于连接到电池,更一般地是连接到能量存储装置,或者用于连接到电驱动马达,更一般地说是连接到电机。负载连接元件7的这个细化纯粹是示例性的,基本上在这里所有的常规变型都是可能的,例如甚至呈电流传导轨的形式。
还示出了被实现为螺旋弹簧的接触弹簧6。销84延伸到这个接触弹簧6的内部60中,并且在它相对于负载连接元件7(更加精确地说是相对于它的接触孔眼并且还相对于功率半导体模块3的负载连接元件34)的布置中引导接触弹簧6。还参考图5,负载连接元件34和负载连接元件7之间的导电连接通过将功率半导体模块3旋拧到安装装置8上,即以摩擦锁定方式将其连接于安装装置8而建立。在这方面,压力被施加到接触弹簧6并且接触弹簧6被张紧。这一方面导致负载连接元件34的第一接触面340和接触弹簧6的第三接触面640之间的导电接触,另一方面导致接触弹簧6的第四接触面642和负载连接元件7的第二接触面740(在这里更加精确地说是它的接触孔眼70)之间的导电接触。当然,接触弹簧6由传导材料、优选地金属制成。因此,第一和第二接触面340、740存在间接导电压力接触连接。
图2是根据本发明的功率电子设备1的第二细化的分解示意的示意图。所述设备1具有功率半导体模块3,对于其部件,功率半导体模块3具有电路载体4和金属底板,该金属底板在这里被实现为液体冷却装置54。
在这个细化中,电路载体4具有传统的绝缘基板,该绝缘基板在背离液体冷却装置的一侧上具有利用绝缘材料本体402相对于液体冷却装置电绝缘地布置的多个导体轨道404。导体轨道404支承功率半导体构件42,这些功率半导体构件42利用内部连接装置44适当地连接,以实现电路,内部连接装置44在此以传统方式利用导线结合连接实现。
液体冷却装置54具有切口500,负载连接元件34延伸通过切口500。在这个切口56中,另外地布置了电流传感器36。负载连接元件34利用绝缘装置344相对于液体冷却装置54电绝缘。另外,负载连接元件34具有螺钉连接346和螺母348,利用螺钉连接346和螺母348,负载连接元件34相对于冷却装置54被固定地布置。螺母348在这里形成第一接触面340,即负载连接元件34的接触面340。在螺纹346的延伸部中,负载连接元件34也具有销状部分384。
还再次仅作为细节示出了安装装置8。所述安装装置8具有绝缘材料本体82,对于其部件,绝缘材料本体82具有与绝缘材料本体一体实现的销84。在安装状态中,这个销84与负载连接元件34的销状部分384相对准,而不接触它,其中不以限制性的方式理解这一点。这个销状部分384用于负载连接元件7的、被实现为接触孔眼的接触本体70的布置。这个接触孔眼为此具有连续切口700。如以上已经关于图1描述的那样,连接线72远离接触孔眼70延伸。负载连接元件7的这个细化在这里也纯粹是示例性的,基本上所有常规的变型都是可能的。
接触弹簧6被以如此方式布置在安装装置8的销84上,即:使得销84部分地延伸到接触弹簧6的内部60中,接触弹簧6被实现为螺旋弹簧。负载连接元件34的销状部分384不仅通过负载连接元件7的接触孔眼70的切口700伸出,而且还伸出到接触弹簧6的内部60中。结果,在该设备的安装期间,接触弹簧6和负载连接元件7已经相对于彼此对准。
与根据图1的第一细化相对照,因为负载连接元件7的第二接触面740与负载连接元件34的第一接触面340直接导电接触,由此形成直接导电压力接触连接,所以在这里接触弹簧6自身不参与电流的传导。
如由短划线10示意的那样,因为功率半导体模块3被旋拧到安装装置8上,所以这个直接导电压力接触连接在负载连接元件34和负载连接元件7之间建立。在这方面,压力被施加到接触弹簧6并且接触弹簧6被张紧。因此,接触弹簧6在负载连接元件7的接触孔眼70上挤压,由此负载连接元件的第一接触面340被挤压到负载连接元件7的第二接触面740上。
图3到5是根据本发明的功率电子设备的第三细化的不同的示意图。根据图3和4的变型共同具有以下事实,即,在这里示出了功率半导体模块的金属底板50,其中多个负载连接元件34延伸通过这个底板50中的切口500,并且由此利用绝缘装置344电绝缘。安装装置8的绝缘材料本体82具有多个销84,其中每一个销84被分配有一个负载连接元件7,这也是一个共同的特征。每一个负载连接元件7的接触装置70具有供所分配的销84从中延伸通过的切口700。此外,接触弹簧6被布置在每一个销84上,其中销84延伸到被实现为螺旋弹簧的接触弹簧6的内部60中。
在根据图3的变型中,负载连接元件34被实现为柱形形状,每一个具有在中心对准的销状部分384。这个销状部分384被布置成与安装装置8的相应地分配的销84相对准,其中销84和销状部分384从相对侧延伸到被实现为螺旋弹簧的接触弹簧6的内部60中,并且因此将接触弹簧6紧固在它的位置中。
负载连接元件34的第一接触面340和负载连接元件7的第二接触面740之间的导电压力接触连接在这里在每一种情形中均被实现为第一接触面340和第二接触面740之间的间接连接,因为接触弹簧6被布置在第一和第二接触面之间,并且被以导电方式实现,并且其中接触弹簧6的第三接触面640相应地与第一接触面340直接电接触,并且接触弹簧6的第四接触面642相应地与第二接触面740直接电接触。当然,通常地,相互直接电接触的接触面总是面对彼此。
在根据图4的变型中,与根据图3的变型相对照,负载连接元件34被以一定形状实现,即:每一个柱形具有在中心对准的套筒状部分386。在这个套筒状部分386的细化中,接触弹簧6的一个部分完全地伸出到这个套筒状部分中。在另一个细化中,销84伸出到套筒状部分386中,而接触弹簧6与能够具有周向凹陷并且形成第一接触面340的覆盖面直接电接触。
根据图5的变型从安装装置8示出细节,安装装置以它能够特别地是工业卡车的一部分的方式示出。这个安装装置8具有已知的绝缘材料本体82和金属基体80,绝缘材料本体82具有与其一体实现的销84。
功率半导体模块3的金属底板50具有多个切口500,仅仅其中的一个被示出,切口500通过每一个利用绝缘装置344相对于底板50电绝缘的负载连接元件34延伸。相应的负载连接元件34则具有供安装装置8的销84延伸到其中的中空柱形部分386。接触弹簧和负载连接元件则利用其在接触本体70中的切口被布置在这个销84上。接触弹簧6在这里是利用电绝缘材料实现,或者具有至少一个电绝缘表面。
在准备相对于安装装置8安装功率半导体模块3时,与相应的负载连接元件34一样,未被张紧的接触弹簧6被布置在所分配的销84上。销84在这里通过负载连接元件7的接触本体70中的切口700延伸,就像它还穿过被实现为螺旋弹簧的接触弹簧6的内部60那样。
功率半导体模块3,更加精确地说是它的底板50与安装装置8的摩擦锁定连接是利用螺钉连接86实现的。为此目的,在不限制一般性时,安装装置8具有内螺纹,并且底板具有与其对准的、用于布置螺钉的切口56。通过将功率半导体模块3装配到安装装置8上并且将这两者旋拧到一起,弹簧6被张紧,并且利用施加到负载连接元件7的压力,导电压力接触连接被实现为负载连接元件34的第一接触面340和被分配给负载连接元件34的负载连接元件7的第二接触面740之间的直接连接。
另外,在这里示出了易于实现但非常有效的密封装置58。所述密封装置58被实现为圆形截面密封,该密封环绕底板50中的所有的切口500延伸,以允许负载连接元件34穿过,并且因此相对于安装装置8密封底板50,在这里关于它的绝缘材料本体82不限制一般性。传统上,在这里,负载连接元件和底板之间将会特别地存在各个单独密封。
图6在三维分解视图中示出了根据本发明的功率电子设备1的第三细化的进一步的变型。示出了具有金属底板50的功率半导体模块3。传统的构件被布置在所述底板50上。此外,示出了用于辅助连接的插头式连接器32和用于支承由接触弹簧6产生并且作用于负载连接元件34上的、从内部指向功率半导体模块3中的压力的轭46。
仅一个被示出的负载连接元件34通过底板50伸出到绝缘材料套筒344中。负载连接元件34则被实现为中空柱体,该中空柱体在中空柱体的盖表面上具有第一接触面340。
安装装置8、负载连接装置7和接触弹簧6的细化以及它们的布置基本上如关于图5所描述的那样。
图7是在局部视图中的根据本发明的电驱动车辆9的示意图,在这里,电驱动车辆9特别地是工业卡车,诸如例如叉式装卸车。特别地,示出了对于每个轮子具有一个驱动马达90的叉式装卸车的前轴。前轴(通常是轮架或者轮悬架***)在这个细化中在功能上用作以上详细描述并且在上面直接布置功率半导体模块3的安装装置8。该功率半导体模块3利用负载连接元件7连接到驱动马达90,并且连接到能量存储装置92,即电池,更加精确地是能够充电的蓄电池。
Claims (16)
1.一种功率电子设备(1),所述功率电子设备(1)具有功率半导体模块(3)、接触弹簧(6)、第一负载连接元件(7)和安装装置(8),其中
所述功率半导体模块(3)具有第二负载连接元件(34)和第一外部接触面(340),其中所述第一负载连接元件(7)具有第二接触面(740),并且其中利用所述接触弹簧(6)在所述第一外部接触面(340)和所述第二接触面(740)之间实现了导电压力接触连接,并且所述导电压力接触连接所需的、在所述接触弹簧(6)上的压力利用所述功率半导体模块(3)以摩擦锁定方式连接到所述安装装置(8)的事实来实现,其中所述安装装置(8)具有销(84),并且其中所述销(84)延伸到被实现为螺旋弹簧的所述接触弹簧(6)的内部(60)中。
2.根据权利要求1所述的功率电子设备,
其中所述导电压力接触连接被实现为所述第一外部接触面(340)和所述第二接触面(740)之间的直接连接。
3.根据权利要求1所述的功率电子设备,
其中所述导电压力接触连接被实现为所述第一外部接触面(340)和所述第二接触面(740)之间的间接连接。
4.根据权利要求3所述的功率电子设备,
其中所述接触弹簧(6)被布置在所述第一外部接触面和第二接触面之间并且被以导电方式实现,其中所述接触弹簧(6)的第三接触面(640)相应地与所述第一外部接触面(340)直接电接触,并且所述接触弹簧(6)的第四接触面(642)相应地与所述第二接触面(740)直接电接触。
5.根据权利要求1所述的功率电子设备,
其中所述安装装置(8)的所述销(84)由电绝缘材料构成。
6.根据权利要求1至5中的一项所述的功率电子设备,
其中所述销(84)延伸通过所述第一负载连接元件(7)中的切口(700)。
7.根据权利要求1至5中的一项所述的功率电子设备,
其中所述销(84)延伸到所述第二负载连接元件(34)的内部中,所述第二负载连接元件(34)被至少部分地实现为接触套筒。
8.根据权利要求1到5中的一项所述的功率电子设备,
其中所述第二负载连接元件(34)向外伸出通过所述功率半导体模块(3)的塑料外罩(30)。
9.根据权利要求1到5中的一项所述的功率电子设备,
其中所述第二负载连接元件(34)向外伸出通过所述功率半导体模块(3)的金属底板(50)。
10.根据权利要求9所述的功率电子设备,
其中所述第二负载连接元件(34)相对于所述底板电绝缘。
11.根据权利要求9所述的功率电子设备,
其中所述金属底板(50)被实现为冷却装置(52、54)的一部分。
12.根据权利要求1-5中的一项所述的功率电子设备,
其中所述安装装置(8)和所述功率半导体模块(3)被旋拧到彼此。
13.一种电驱动车辆(9),所述电驱动车辆(9)具有根据前面权利要求中的一项所述的功率电子设备(1)、能量存储装置(92)和作为主驱动器或者辅助驱动器的电驱动马达(90)。
14.根据权利要求13所述的车辆,
其中所述安装装置(8)是驱动轴的一体构件。
15.根据权利要求13或14所述的车辆,
其中所述能量存储装置(92)和所述电驱动马达(90)利用多个第一负载连接元件(7)和所分配的负载连接元件以导电方式连接到所述功率电子设备(1)的所述功率半导体模块(3)。
16.根据权利要求13或14所述的车辆,
其中所述车辆(9)被实现为工业卡车。
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DE102016107083B4 (de) * | 2016-04-18 | 2019-05-23 | Semikron Elektronik Gmbh & Co. Kg | Leistungselektronische Anordnung und Fahrzeug hiermit |
CN111725679B (zh) * | 2016-12-12 | 2021-12-10 | 上海电巴新能源科技有限公司 | 电连接装置 |
DE102017110722B4 (de) | 2017-05-17 | 2021-03-18 | Semikron Elektronik Gmbh & Co. Kg | Leistungselektronische Anordnung und elektrisches Fahrzeug hiermit |
DE102017115883B4 (de) * | 2017-07-14 | 2020-04-02 | Semikron Elektronik Gmbh & Co. Kg | Leistungselektronisches Submodul mit Gleich- und Wechselspannungsanschlusselementen und Anordnung hiermit |
DE102017212434A1 (de) | 2017-07-20 | 2019-01-24 | Audi Ag | Elektronikeinrichtung mit wenigstens einer zu kühlenden Komponente |
DE102018123995A1 (de) | 2018-09-28 | 2020-04-02 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Kontaktiereinrichtung zum elektrischen Kontaktieren einer Leiterplatte mit einem Spulenkörper für ein Magnetventil für eine Bremseinrichtung für ein Fahrzeug, Magnetventil mit einer Kontaktiereinrichtung und Verfahren zum Herstellen einer Kontaktiereinrichtung |
DE102019111145A1 (de) * | 2019-04-30 | 2020-11-05 | Semikron Elektronik Gmbh & Co. Kg | Leistungshalbleitermodul und Verfahren zur Anordnung dieses Leistungshalbleitermoduls auf einem Motor |
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2016
- 2016-04-18 DE DE102016107083.1A patent/DE102016107083B4/de active Active
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2017
- 2017-04-13 EP EP18163958.4A patent/EP3358921B1/de active Active
- 2017-04-13 EP EP17166538.3A patent/EP3236724B1/de active Active
- 2017-04-14 US US15/487,519 patent/US9935032B2/en active Active
- 2017-04-17 KR KR1020170049273A patent/KR102376002B1/ko active IP Right Grant
- 2017-04-18 CN CN201710252472.XA patent/CN107393893B/zh active Active
- 2017-04-18 CN CN201720408628.4U patent/CN207320097U/zh not_active Withdrawn - After Issue
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Also Published As
Publication number | Publication date |
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DE102016107083A1 (de) | 2017-11-02 |
CN107393893A (zh) | 2017-11-24 |
US9935032B2 (en) | 2018-04-03 |
EP3236724B1 (de) | 2020-12-30 |
KR102376002B1 (ko) | 2022-03-17 |
EP3236724A1 (de) | 2017-10-25 |
EP3358921B1 (de) | 2021-01-20 |
US20170301600A1 (en) | 2017-10-19 |
EP3358921A1 (de) | 2018-08-08 |
DE102016107083B4 (de) | 2019-05-23 |
CN207320097U (zh) | 2018-05-04 |
KR20170119298A (ko) | 2017-10-26 |
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