阅读说明：本技术 用于电驱动机动车的模块化增程器系统，以及具有增程器的电驱动机动车 (Modular range extender system for an electrically driven motor vehicle, and electrically driven motor vehicle having a range extender ) 是由 S·丹妮 J-P·普罗特 W·施奈德 于 2020-04-16 设计创作，主要内容包括：本发明涉及一种用于电驱动机动车(52)的模块化增程器系统(20),包括多个燃料电池单元基本模块(10),每一燃料电池单元基本模块(10)具有串联连接的多个燃料电池单元和用于供应氢气和空气以及用于排放水和残余气体的接口；以及介质供应装置,其被设计成经由所述接口向所述燃料电池单元基本模块(10)供应空气和氢气,并经由所述接口从所述燃料电池单元基本模块(10)排放水和残余气体；其中为了提供不同的输出和/或电压,不同数量的燃料电池基本模块(10)可按不同的串联和/或并联电路来彼此电连接,并且可与介质供应装置一起配置以形成增程器(22)的相应变型。本发明还涉及用于电驱动机动车(52)的车辆电气系统的电路布置(40)以及具有此类电路布置(40)的电驱动机动车。(The invention relates to a modular range extender system (20) for an electrically driven motor vehicle (52), comprising a plurality of fuel cell basic modules (10), each fuel cell basic module (10) having a plurality of fuel cells connected in series and interfaces for supplying hydrogen and air and for discharging water and residual gases; and a medium supply device designed to supply air and hydrogen gas to the fuel cell basic module (10) via the interface, and to discharge water and residual gas from the fuel cell basic module (10) via the interface; wherein, in order to provide different outputs and/or voltages, different numbers of fuel cell basic modules (10) can be electrically connected to each other in different series and/or parallel circuits and can be configured together with a medium supply to form corresponding variants of the range extender (22). The invention further relates to a circuit arrangement (40) for a vehicle electrical system of an electrically driven motor vehicle (52) and to an electrically driven motor vehicle having such a circuit arrangement (40).)

1. A modular range extender system (20) for an electrically driven motor vehicle (52) comprising

-a plurality of fuel cell basic modules (10), each fuel cell basic module (10) having a plurality of fuel cells connected in series and interfaces for supplying hydrogen and air and for discharging water and residual gases;

-a medium supply device designed to supply air and hydrogen to the fuel cell base module (10) via the interface and to discharge water and residual gases from the fuel cell base module (10) via the interface;

-wherein, in order to provide different outputs and/or voltages, different numbers of fuel cell unit basic modules (10) can be electrically connected to each other in different series and/or parallel circuits and can be configured together with the medium supply to form respective variants of range extenders (22).

2. The modular range extender system (20) of claim 1,

it is characterized in that the preparation method is characterized in that,

the fuel cell basic modules (10) all have the same structure in terms of their components.

3. The modular range extender system (20) of claim 1 or 2,

it is characterized in that the preparation method is characterized in that,

the fuel cell base module (10) has its own control, wherein the control can be operated on common hardware of a corresponding variant of the range extender (22).

4. The modular range extender system (20) of any one of the preceding claims,

it is characterized in that the preparation method is characterized in that,

the fuel cell basic modules (10) are designed to provide an output in the range of 2 to 8kW in each case.

5. The modular range extender system (20) of any one of the preceding claims,

the medium supply of each fuel cell basic module (10) has an independent air compressor (18) for supplying air.

6. The modular range extender system (20) of any one of the preceding claims,

it is characterized in that the preparation method is characterized in that,

the medium supply device has a central medium supply channel (30) for supplying air and hydrogen to the fuel cell basic modules (10) and for discharging water and residual gases, wherein the fuel cell basic modules (10) can be coupled to the medium supply channel on the left and right sides of the medium supply channel (30).

7. The modular range extender system (20) of any one of the preceding claims,

the fuel cell base modules (10) each have a first end plate (14) and a second end plate (16), the first end plate (14) and the second end plate (16) being arranged at opposite ends of the fuel cell base module (10) and between which first end plate (14) and second end plate a respective fuel cell unit is arranged, wherein the first end plate (14) exclusively has an interface for supplying air and hydrogen and for discharging water.

8. The modular range extender system (20) of claim 7,

it is characterized in that the preparation method is characterized in that,

within the fuel cell basic module (10), the fuel cells are positioned in two cell stacks (32, 34), which two cell stacks (32, 34) are arranged adjacent to each other and are electrically connected to each other in series, having a common U-shaped medium conduit (36) for air, hydrogen, water and residual gases, wherein the second end plate (16) of each basic module has a directional diversion (38) for the medium conduit (36) from one cell stack (32, 34) to the other cell stack (32, 34).

9. A circuit arrangement (40) for a vehicle electrical system of an electrically driven motor vehicle (52) comprises

-a predetermined variant of a range extender (22) based on a modular range extender system (20) according to any of the preceding claims;

-a high voltage battery (42) for powering an electric drive machine (44) of the motor vehicle (52);

-wherein the high voltage battery (42) and the range extender (22) are interconnected in a parallel circuit without a DC voltage converter, and the range extender (22) is designed to charge the high voltage battery (42);

-switching means (48) for establishing and breaking an electrically conductive connection between the range extender (22) and the high voltage battery (42).

10. An electrically driven motor vehicle (2) comprising a circuit arrangement (40) according to claim 9.

11. Electrically driven motor vehicle (52) according to claim 10,

it is characterized in that the preparation method is characterized in that,

the respective air compressor (18) of the range extender (22) for providing air to the fuel cell base module (10) is arranged at other points in the motor vehicle (52) than the associated fuel cell base module (10).