Rail-side conductor rail power switching system
A technology of power switching and conductive rails, applied in power lines, power rails, transportation and packaging, etc., can solve problems such as life impact, arc extinguishing, and arc weakening, and achieve low maintenance costs, convenient processing, and fewer parts.
Active Publication Date: 2013-07-10
NEW UNITED GROUP +1
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Problems solved by technology
[0003] The conductive rail usually adopts a decentralized power supply system. Each section of the power supply system cuts out and cuts into different power supply systems through a certain slope of the track. In order to let the collector shoe slowly cut out and cut into different power supply systems to avoid excessive arcing Some conductor rails set a gentle transition section between the standard conductor rail of the cut-out section and the standard conductor rail of the cut-in section. Although this transition section can weaken the arc to a certain extent, it cannot essentially extinguish the arc. Under the action, the service life will be seriously affected, and it will bury a great hidden danger for the contact stability of the conductor rail
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[0017] see Figure 1 to Figure 7A track-side conductive rail power switching system shown includes a collector shoe 1 electrically connected to the traction motor of an electric train, and a cut-out section standard conductive rail 2 and a cut-in section standard conductive rail 2 between each power supply section arranged along the direction of the track. Rail 3; the conductive rail composed of several standard conductive rails and the standard conductive rail 2 of the cut-out section and the standard conductive rail 3 of the cut-in section is arranged between the two rails of the electric train or on the outside of one of the rails. The electric shoe 1 contacts and slides on the conductive rail, and transmits the power to the traction motor of the electric train. Between the standard conductive rail 2 of the cut-out section and the standard conductive rail 3 of the cut-in section, there are also cut-out rails in sequence along the track direction. Segment isolation insulatio...
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The invention discloses a rail-side conductor rail power switching system which comprises a collector shoe, a switch-out standard conductor rail, and a switch-in standard conductor rail. A switch-out isolation insulating rail, a switch-out conductor rail, an insulating transitional rail, a switch-in conductor rail and a switch-in isolation insulating rail are arranged between the switch-out standard conductor rail and the switch-in standard conductor rail. A switch-out electric controller is arranged on one side of the switch-out standard conductor rail and is electrically connected with the switch-out standard conductor rail and the switch-out conductor rail respectively through a first lead and a second lead. A switch-in electric controller is arranged on one side of the switch-in standard conductor rail. The switch-in electric controller is electrically connected with the switch-in standard conductor rail and the switch-in conductor rail respectively through a third lead and a fourth lead. The collector shoe is prevented from generating electric arc when switched in and out of different power supply systems, the collector shoe and the conductor rails are protected, the service lives of the conductor rails are prolonged, the collector shoe is more stable when switched in and out, and the collector shoe contacts with the conductor rails more stably.
Description
technical field [0001] The invention relates to a power supply system for rail transit electric vehicles, in particular to a track side conductive rail power supply switching system for rail transit electric vehicles. Background technique [0002] In the power supply system of rail transit electric vehicles, in order to reduce the construction cost and maintenance cost of the power supply system, the conductive rail traction power supply technology is often used. The so-called "conductive rail traction power supply" is to add an electrified track outside the two rails on which the train travels. This electrified track is usually set between two rails or on the outside of one of the rails. The collector shoe of the electric train contacts and slides on the electrified track, that is, the conductive rail, and transmits the power to the traction motor. [0003] The conductive rail usually adopts a decentralized power supply system. Each section of the power supply system cuts ...
Claims
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IPC IPC(8): B60M3/00B60M1/30
Inventor 查俊章玮崔静张琳
Owner NEW UNITED GROUP