insulation section

Abstract

The invention discloses an insulation joint. The insulation joint includes a pair of parallel rails, a first isolation compensation unit, a second isolation compensation unit, a tuning unit and a signal receiving and transmitting unit, wherein, the parallel rails can transmit first frequency band signal and second frequency band signal; the first isolation compensation unit is located at first ends of the parallel rails and can isolate the second frequency band signal and can further act a first predetermined capacitive impedance to first frequency band signal; the second isolation compensation unit is located at second ends of the parallel rails and can isolate the first frequency band signal and can further act a second predetermined capacitive impedance to the second frequency band signal; the tuning unit is connected with predetermined connecting portions of the parallel rails, and the predetermined connecting portions are located between the first ends and the second ends and thedistance of the first ends and the predetermined connecting portions is not the same as the distance of the second ends and the predetermined connecting portions; and the signal receiving and transmitting unit is connected with the tuning unit.

Description

technical field [0001] The invention relates to an insulating joint, in particular to an insulating joint capable of eliminating shunt dead zones in a non-insulated track circuit system. Background technique [0002] The insulation section (also known as electrical insulation section) in the non-insulated track circuit system is used to realize the electrical isolation between adjacent track circuits, to ensure the effective transmission of signals in this section, and to achieve the balance of power frequency traction return. A very critical part of the track circuit system. At present, the non-insulated track circuits used in my country's large railway lines are generally ZPW (UM) series tuned non-insulated track circuits. Due to the defects in the principle, these series of track circuits have long or short shunt dead zones. The management of the branch dead zone has occupied a lot of manpower and material resources for a long time, and at the same time, the demand for n...

AI Technical Summary

Problems solved by technology

It can be seen that the branch of the train between P1 and P2 cannot cause any relay to fall, so it cannot be checked that the rail section between the branch P1 and P2 is the dead zone of the branch

When the branch of the train is located in the dead zone of the branch, the judgment of the non-insulated track circuit system is that the first section and the second section are both idle. This misjudgment will pose a threat to the safe operation of the train, and discharge Such misjudgments are also labor-intensive

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