摘要:
A junction box of a solar cell array/solar module, having a plurality of solar cells connected in multiple strings and including a separate top part mechanically connected to a bottom part, and in one of the bottom and top parts, first contact elements, some being connected in the installed state to solar cells and two of which are connected to a connecting cable of the solar cell array, and in another one of the bottom and top parts, interconnected second contact elements electrically contact first contact elements in the installed state and join them are situated there, and an actuator for releasing the mechanical connection between the bottom and top parts, for completely separating the top and bottom parts and for disconnecting the contact between the first and second contact elements and a control unit assigned to the actuator at the input side for generating an actuator control signal.
摘要:
A method for controlling current generation in a photovoltaic system having at least one submodule connected to the photovoltaic system. The method includes an alternating switching of the submodule taking place in a changeover time clock pulse between a switching-on state and a bypass switching state, the submodule being interconnected during the switching-on state of the photovoltaic system and being bridged in the bypass switching state. During the bypass switching state, an overall current strength of the photovoltaic system is measured and a setpoint value ascertained from this is stored temporarily. During the switching-on state, a submodule current strength is measured and compared to the setpoint value, and upon a dropping off of the submodule current strength below the setpoint value, a resetting, taking place independently of the switchover time clock pulse, of the submodule to the bypass switching state is carried out.
摘要:
A solar cell roof system having a plurality of solar modules, of which at least some are to be installed in interconnected manner on top of each other in order to provide protection from rain; in addition, air conveyance arrangement for the supply of ambient air behind the rear side of the solar module are provided in or on at least one edge of the solar modules to be installed on top of one another, this edge being a lower edge in the normal position.
摘要:
A method of protecting a micro-mechanical sensor structure embedded in a micro-mechanical sensor chip, in which the micro-mechanical sensor structure is fabricated with a protective membrane, the micro-mechanical sensor chip is arranged so that a surface of the protective membrane faces toward a second chip, and the micro-mechanical sensor chip is secured to the second chip.
摘要:
A method and a system for controlling a wireless sensor network from a user interface coupled to the Internet are provided. A user accesses an Internet-based portal from the user interface and establishes a secure broadband Internet connection between a remote control module coupled to the wireless sensor network and the portal. The connection is established by manually triggering a connection between the remote control module and the portal from the remote control module.
摘要:
A method and system for controlling a home automation system by voice input provided via a telephone unit. A voice portal server receives a signal transmitted by the telephone unit, processes the signal to interpret the voice input, and generates command signals for controlling a home device in the home automation system based on the interpreted voice input. The voice portal server transmits the command signals over a data network or a telephone network to a home interface for receiving the command signals transmitted by the voice portal server. The home interface controls the home device in accordance with the received command signals.
摘要:
A mobile security network includes a plurality of primary mobile nodes and at least one secondary mobile node dynamically assigned to be monitored by one of the plurality of primary mobile nodes. The plurality of primary mobile nodes communicate with each other to hand off responsibility for monitoring the at least one secondary mobile node, and monitor a link quality between themselves and any assigned secondary mobile nodes. The network is configured to issue an alarm if a link quality between a secondary mobile node and its assigned primary mobile node falls below a predefined value for a predefined time period, and a link quality between the secondary mobile node and all non-assigned primary mobile nodes does not exceed the predefined link quality.
摘要:
An exemplary embodiment of the present invention creates a micromechanical rotational rate sensor having a first Coriolis mass element and a second Coriolis mass element which may be situated over a surface of a substrate. An exemplary embodiment of a micromechanical rotational rate sensor may have an activating device by which the first Coriolis mass element and the second Coriolis mass element are able to have vibrations activated along a first axis. An exemplary embodiment of a micromechanical rotational rate sensor may have a detection device by which deflections of the first Coriolis mass elements and of the second Coriolis element are able to be detected along a second axis, which is perpendicular to the first axis, on the basis of a correspondingly acting Coriolis force. The first axis and second axis may run parallel to the surface of the substrate. The detecting device may have a first detection mass device and a second detection mass device. The centers of gravity of the first Coriolis mass element, the second Coriolis mass element, the first detection mass device and the second detection mass device may coincide at a common mass center of gravity when they are at rest.
摘要:
A method and system to bookmark a location, blog geo-referential information, and process the geo referential information, having a mobile device and a stationary server. The mobile device is configured to generate a waypoint to geographically identify the location, generate a timestamp, fetch and store data associated with the location, and receive a user-provided description regarding at least one of the location and the data associated with the location. The stationary server is configured to receive geo-referential information from the mobile device, the geo-referential information including the waypoint, timestamp, and at least one of the data and user-provided description. The server includes a database to maintain the geo-referential information in a spatially and temporally organized manner, and a processing arrangement to adaptively process the geo-referential information according to at least one of a characteristic and preference of a user.
摘要:
A yaw-rate sensor is proposed having a first and a second Coriolis element (100, 200) which are arranged side-by-side above a surface (1) of a substrate. The Coriolis elements (100, 200) are induced to oscillate parallel to a first axis. Due to a Coriolis force, the Coriolis elements (100, 200) are deflected in a second axis which is perpendicular to the first axis. The first and second Coriolis elements (100, 200) are coupled by a spring (52) which is designed to be yielding in the first and in the second axis. Thus, the frequencies of the oscillations in the two axes are developed differently for the in-phase and antiphase oscillation.