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DE-102024132587-A1 - Production line and process for manufacturing an electrically powered motor vehicle

DE102024132587A1DE 102024132587 A1DE102024132587 A1DE 102024132587A1DE-102024132587-A1

Abstract

A production line for manufacturing electrically powered vehicles is described, each vehicle having an electrical energy storage device. The production line comprises a sequence of production stations arranged sequentially along the production direction, each production station being configured such that at least one production step can be performed on a vehicle at that station. The production line further comprises at least one conveyor device configured to move the vehicles to be manufactured past the sequence of production stations one after the other. The production line also includes at least one charging coil configured to inductively charge the electrical energy storage device of a vehicle manufactured at the production station.

Inventors

  • Bernhard Hoess
  • Hannes Trapp

Assignees

  • BAYERISCHE MOTOREN WERKE AKTIENGESELLSCHAFT

Dates

Publication Date
20260513
Application Date
20241108

Claims (10)

  1. Production line (200) for the production of electrically powered vehicles (100), each of which has an electrical energy storage device (101); wherein the production line (200) comprises: - a sequence of production stations (202) arranged one after the other along a production direction (201); wherein each production station (202) is configured such that at least one production step can be carried out on a vehicle (100) at the production station (202); - at least one conveyor device (211) configured to move the vehicles (100) to be produced past the sequence of production stations (202) of the production line (200) one after the other; and - at least one charging coil (215) configured to inductively charge the electrical energy storage device (101) of a vehicle (100) produced on the production line (200).
  2. Production line (200) according to Claim 1 , wherein the at least one charging coil (215) is designed such that the electrical energy storage device (101) of a vehicle (100) is inductively charged can be guided by the conveying device (211) along the production line (200), in particular over a floor (210) of the production line (200) past the sequence of production stations (202) of the production line (200).
  3. Production line (200) according to one of the preceding claims, wherein the at least one charging coil (215) is arranged on a base (210) of the production line (200), in particular embedded in the base (210) of the production line (200).
  4. Production line (200) according to one of the preceding claims, wherein - the production line (200) comprises a sequence of charging coils (215) arranged one after the other on a floor (210) of the production line (200) along the production direction (201); and - the production line (200) is configured such that the electrical energy storage device (101) of a vehicle (100) can be charged sequentially via the individual charging coils (215) of the sequence of charging coils (215) while the vehicle (100) is moved by the conveyor device (211) along the production direction (201).
  5. Production line (200) according to one of the preceding claims, wherein the production line (200) has a shield (216) for the at least one charging coil (215) which is configured to limit a magnetic charging field generated by the charging coil (215) transversely to the production direction (201) to a width of the underbody of the vehicles (100) produced on the production line (200).
  6. Production line (200) according to one of the preceding claims, wherein - the production line (200) has one or more final production stations (202) at which the vehicles (100) produced on the production line (200) are each subjected to quality control and/or prepared for transport; and - the at least one charging coil (215) is arranged at the one or more final production stations (202).
  7. Production line (200) according to one of the preceding claims, wherein the production line (200) comprises a mobile inductive charging unit (105) for a vehicle (100) produced on the production line (200), wherein: - the charging unit (105) is configured such that the charging unit (105) can be mounted on the vehicle (100) at a first production station (202) and removed from the vehicle (100) at a subsequent second production station (202); - the charging unit (105) comprises a charging interface configured to be connected, in particular plugged in, to a conductive charging interface (105) of the vehicle (100); and - the charging unit (105) is designed to receive electrical energy from the at least one charging coil (215) via a coil of the inductive charging unit (105) and to direct it to the electrical energy storage device (101) of the vehicle (100) via the charging interfaces (105).
  8. Production line (200) according to one of the preceding claims, wherein the at least one charging coil (215) is designed for a multi-phase, in particular for a three-phase, inductive charging process.
  9. Production line (200) according to one of the preceding claims, wherein - the at least one charging coil (215) is designed to be moved by the conveying device (211) together with a vehicle (100) along the production direction (201); or - the at least one charging coil (215) is arranged in a fixed position at a point of the production line (200).
  10. Method (300) for manufacturing electrically powered vehicles (100) on a production line (200); wherein the vehicles (100) each have an electrical energy storage device (101); wherein the method (300) comprises: - conveying (301) a vehicle (100) along the production line (200) in order to gradually manufacture the vehicle (100) on the production line (200); and - charging (302) the electrical energy storage device (100) of the vehicle (100) while the vehicle (100) is conveyed along the production line (200).

Description

The invention relates to a production line for manufacturing an electrically powered motor vehicle. Furthermore, the invention relates to a method for manufacturing, in particular for assembling, an electrically powered vehicle. Vehicles are typically manufactured using a production line (in particular, a production line), whereby the individual vehicles are conveyed along the production line past different stations by a conveying device, e.g., a conveyor belt, where different manufacturing steps are carried out at each station. The production line may, particularly at the end of the line, have one or more stations where the individual vehicles manufactured along the production line are prepared for transport and/or delivery. The production of electrically powered vehicles can be relatively time-consuming, particularly with regard to preparation for transport and/or delivery. This document addresses the technical challenge of enabling a particularly time-efficient production process for electrically powered vehicles. The problem is solved by each of the independent claims. Advantageous embodiments are described, inter alia, in the dependent claims. It should be noted that additional features of a claim dependent on an independent claim, without the features of the independent claim itself or only in combination with a subset of the features of the independent claim, can constitute a separate invention independent of the combination of all features of the independent claim, which can be made the subject of an independent claim, a divisional application, or a subsequent application. This applies equally to technical teachings described in the description, which can constitute an invention independent of the features of the independent claims. According to one aspect, a production line (in particular a production line) for the manufacture of electrically powered (motor) vehicles is described, wherein each vehicle has an electrical energy storage device. The energy storage device of a vehicle can have a nominal voltage of 200 V or more, in particular 400 V or more. The electrical energy storage device of a vehicle can be configured to store electrical energy for the operation of an electric drive motor of the vehicle. The electrical energy storage device can, for example, have a storage capacity of 10 kWh or more. The production line comprises a sequence of production stations arranged sequentially along a production direction. Each individual production station can be configured to perform at least one production step on a vehicle. Examples of such steps include the assembly of a vehicle component and/or the verification of a vehicle's function and/or manufacturing quality. The production line also includes at least one conveying device (e.g., a conveyor belt) designed to move the vehicles to be manufactured past the sequence of production stations one after the other. The vehicles can be conveyed along the production line without using their drive motor. This automated conveying of individual vehicles along the production line enables efficient and sequential vehicle manufacturing. Furthermore, the production line includes at least one charging coil configured to inductively charge the electrical energy storage device of a vehicle manufactured on the production line. The at least one charging coil can be designed such that the electrical energy storage device of a vehicle manufactured on the production line can be inductively charged while the vehicle is being guided by the conveyor along the production line, in particular across the floor of the production line past the sequence of production stations. The at least one charging coil can be arranged on the floor of the production line, in particular embedded in the floor of the production line. The at least one charging coil can be designed to be moved along the production line by the conveyor device together with a vehicle (so that inductive charging can be carried out over a relatively long distance). Alternatively, the at least one charging coil can be fixed at a point on the production line (so that the energy storage devices of several different vehicles can be charged sequentially). At least one charging coil can be designed for multi-phase, especially three-phase, inductive charging. This allows for particularly fast charging of the energy storage device. of the vehicles produced on the production line. This means that the electrical energy storage systems of individual vehicles are charged during the manufacturing process. This allows for a more efficient reduction in the production time for each vehicle. The production line can comprise a sequence of (stationary) charging coils arranged one behind the other along the production direction on the floor of the line. The production line can be configured such that the electrical energy storage device of a vehicle can be charged sequentially via the individual charging coils in the sequence while the vehi