Abstract:
A method of producing an elastomeric optical conductor fiber composed of plastic includes drawing a fiber composed of a high-viscosity liquid reactive starting material. The starting material is added by way of a nozzle to a reaction apparatus, to which a liquid, which is inert towards the starting material, has been charged. At least partial crosslinking of the starting material takes place in the reaction apparatus. The elastomeric plastic of the optical conductor fiber is in particular a three-dimensionally crosslinked polyurethane.
Abstract:
A method and an apparatus for spraying a track, in particular a conductor track, onto a substrate under mild conditions, includes generating a cold plasma having a plasma temperature of less than 3000 K in a spray lance, introducing a powder into the spray lance with the aid of a carrier gas and leading the powder to a frontal exit opening, where it exits and impinges on the substrate. An electrical component including an electrically conductive conductor track applied to a substrate, is also provided.
Abstract:
A pressure sensor includes an optical waveguide having an optical fiber with a refractive index n1, located in a fiber guide with a refractive index n3, forming an intermediate region. A medium with a refractive index n2 is located in the intermediate region. The refractive indices correspond to the relation n3>n1>n2. When subjected to a pressure, the fiber guide is pressed against the optical fiber such that the condition for the total reflection required for the normal optical waveguidance in the optical waveguide is no longer fulfilled, and attenuation takes place. The attenuation is evaluated in a corresponding control unit. The pressure sensor is especially provided for an anti-pinch device in the motor vehicle industry.
Abstract:
A method for producing a cable harness includes the step of applying an essentially strip-shaped base layer having a plastic thixotropic material to an assembly support. A plurality of essentially parallel adjacent wires are fixed to the base layer. A cover layer of plastic material is applied onto the base layer. The cover layer is subsequently treated so that the plastic material envelops the wires, adheres to the base layer and changes to a more solid consistency.
Abstract:
In order to be able to reliably detect when an object is caught between two parts which move in relation to one another in a motor-driven closing mechanism, in particular in an electromotively driven window winder system, provision is made for the sensor system to have an optical pressure sensor as well as an electrical capacitive sensor in addition. The optical pressure sensor comprises a light-guiding element, a light source for injecting light into the light-guiding element and a light sensor for sensing the light which has been output. The electrical sensor comprises an electrode which is connected to a voltage source. Both sensors are each assigned to an evaluation unit for evaluating the respective signal.
Abstract:
For the production of a particularly dimensionally stable cable set, the single conductors (22) of the cable set are initially inserted into a cavity (8) of a foam tool (2) and a foaming material is subsequently filled in. To dispense with involved and expensive hydraulic equipment, a vacuum is generated to press a top half (6) and a bottom half (4) of the foaming tool (2) against each other. For this, vacuum channels (6) are preferably provided, which extend along sides of the cavity (8).
Abstract:
A method of producing an elastomeric optical conductor fiber composed of plastic includes drawing a fiber composed of a high-viscosity liquid reactive starting material. The starting material is added by way of a nozzle to a reaction apparatus, to which a liquid, which is inert towards the starting material, has been charged. At least partial crosslinking of the starting material takes place in the reaction apparatus. The elastomeric plastic of the optical conductor fiber is in particular a three-dimensionally crosslinked polyurethane.
Abstract:
A pressure sensor includes an optical waveguide having an optical fiber with a refractive index n1, located in a fiber guide with a refractive index n3, forming an intermediate region. A medium with a refractive index n2 is located in the intermediate region. The refractive indices correspond to the relation n3>n1>n2. When subjected to a pressure, the fiber guide is pressed against the optical fiber such that the condition for the total reflection required for the normal optical waveguidance in the optical waveguide is no longer fulfilled, and attenuation takes place. The attenuation is evaluated in a corresponding control unit. The pressure sensor is especially provided for an anti-pinch device in the motor vehicle industry.
Abstract translation:压力传感器包括具有折射率n 1的光纤的光波导,位于折射率为n 3的光纤引导件中,形成中间区域。 折射率为n 2的介质位于中间区域。 折射率对应于关系n 3> n 1> n 2。 当受到压力时,纤维导向件被压在光纤上,使得光波导中的普通光波导所需的全反射条件不再满足,并且发生衰减。 在相应的控制单元中评估衰减。 压力传感器特别提供用于汽车工业中的防夹装置。
Abstract:
In order to make it possible to produce a secure and permanent contact connection between an electrical conductor made from a soft material, in particular an aluminum conductor, and a contact element made from a harder material, the conductor is encapsulated at least partially in a contact region by an electrically conductive material. The electrically conductive material is harder than the soft material of the conductor. The electrically conductive material is applied with the aid of a thermal spraying process, with the result that there is a pressure-free electrical connection between the soft material and the sprayed-on material. Electrical contact is made with the contact element indirectly via the sprayed-on material. The thermal encapsulation by the spraying in the contact region makes it possible for a reliable electrical contact to be made even in the case of soft materials having a tendency towards cold flow.
Abstract:
A simple connection of a conventional electrical unit to the conductor tracks of an electric system, such as a motor vehicle electric system, is provided. The conductor tracks are directly applied to a support, for example, by flame spraying. A terminal adapter is placed, via a partial element, between the support, which is fitted with the conductor tracks, and the electrical unit to be connected. The conductor tracks are guided, inside the terminal adapter to a conventional electrical connection of the unit.