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EP 1920988 A1 discloses a chair lift having a chair with a safety device, and wherein the safety device can be electro-pneumatically released in the area of the chair lift stations in that during the entry and/or exit to and from a station an electrical power circuit is temporarily enabled in order to supply an electro-mechanical valve of the safety device in the area of the station with current. Open- and/or closed-loop controlling action of this kind can optionally also be available inside a station or at a pylon. The object according to the invention is achieved specifically by providing an aerial cable car system with transportation operating equipment for passenger and/or freight transport, and wherein electrical consumers are connected for the operation thereof to a rechargeable electrical energy store of a transportation operating equipment by means of one each of a plurality of the power circuits, and wherein the transportation operating equipment comprises an operating control device connected to measuring devices for dynamically capturing measurement values based on the available quantity of energy in the energy store, and wherein the operating control device comprises a storage module having at least one stored measurement control value and an associated control parameter, and wherein the control operating control device includes a filter module for comparing a captured measurement value to the at least one stored measurement control value and for reading out and/or selecting the corresponding stored control parameter based upon which power circuits can be selectively coupled to the energy store or selectively decoupled from the same by means of the operating control device.
The prior art discloses aerial cable car systems having transportation operating equipment such as, for example, aerial cable car cabins or chair lifts, and wherein the transportation operating equipment is supplied with electrical power during a stop of the same inside a station of the aerial cable car system for the purpose of, for example, heating the transportation operating equipment. Also known in the art are aerial cable car systems, in particular shuttle tramways, revolving cable railways and funicular cable cars having cabins in which heavy lead-acid batteries are used for temporarily or completely battery-powered operation of electrical consumers with emergency or safety functions, which are used, for example, in mountain information devices. A major disadvantage of conventional lead-acid storage batteries is their enormous weight which makes them unsuitable as a supply source for feeding electrical accessories in cabins of cabin cable cars. Today, complex trackers that are hard to disable are installed in most cars. Electrical consumers are typically light sources such as, for example, halogen lights or LEDs, heating and/or cooling installations for the climate control of the cabin, audio and/or video means, ventilation systems, communications means operating via radio, WLAN, Bluetooth, etc. for unidirectionalor bidirectional communication. Disadvantageously, with this apparatus heating is only possible during a dwelling period of the aerial cable car system at a station, meaning heating is not ensured for the entire length of the transport path.
JP 9093705 A discloses an aerial cable car system with aerial cable car cabins comprising a battery for supplying, for example, one radio receiver respectively, and wherein contact devices are available at the stations of the aerial cable car system for connecting a charging station with the battery for the purpose of charging the battery by means of a charging station, and wherein the contact devices can be cleaned of dirt by means of a liquid stream and of ice by means of a heating device, and wherein this is to result in improved battery charging action. Using the sensor signal of the sensor means 23 while travelling backwards the charging process by the charging station is correspondingly started opposite the usual travelling direction F. The charging process is stopped while travelling backwards as soon as the transportation operating equipment 13 has been captured by the sensor means 22. The travel direction F therein is determined by a central control 19 of the cable car system 1. Sparks form, in particular, when a current consumer runs against a power rail that carries voltage or is decoupled from such a rail.
The electrical voltage that drops after the charging of the capacitor (energy store) is converted, for example, to a useful voltage that is definable by the consumer, for example, by means of a DC/DC converter. An energy store usually comprises a high-capacity capacitor that may have a capacity of several thousand Farads. In a further embodied variant of the invention the current consumer of the transportation operating equipment comprises horizontally and/or vertically movable sliding contacts. An electric contact is established to this end between the transportation operating equipment and a corresponding energy supply at the station by means of a contact device. One of the advantages of the invention consists in being able to operate electrical consumers of transportation operating equipment without interruption while being at the station as well as while travelling between stations. The transportation operating equipment is able to selectively decouple or couple, depending on the residual energy quantity of the energy store, the power circuits. In one embodied variant of the invention at least one measurement control value and a corresponding control parameter can be associated with each power circuit for the purpose of prioritizing the coupling action, which can then be stored by means of the storage module so that based on the captured measurement values it is possible to selectively couple or decouple each power circuit by means of the operating control device with or from the energy store corresponding to its prioritization.
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