JPH059101U - Railway vehicle current collector control system - Google Patents

Abstract

(57) [Summary] [Configuration] The current value collected by the pantographs 2 and 2'is measured by the current measuring device 8 via the step-down transformer 7. When this current value is smaller than a predetermined allowable current collecting capacity per pantograph, the relay contact demagnetizes the pantograph solenoid valve 5 to cut off the compressed air and automatically lower the pantograph 2 in front. The front pantograph is selected by the driver's main controller 6 connected to the current measuring device 8.
It is made by the contact points of the front / reverse steering wheel. [Effect] Since only one pantor can be automatically used at a small current, it is possible to save resources and maintenance by reducing the wear of the current collectors, extend the life of the pantograph, and wrap up the rear pantograph in the event of a front pantograph accident. Sex can be reduced.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a current collector control system for an electric locomotive for railway vehicles.

[0002]

[Prior Art]

 In a large-capacity DC electric locomotive, the current collection from the overhead wire at maximum output is large, so the capacity that can be collected per pantograph is exceeded, and two pantographs installed at one end side and two end sides of the vehicle are exceeded. Is always raised.

(Hitachi Review 3 March 25, 1st page, page 23, Railway Journal 9'90 NO.287, page 15)

[0004]

[Problems to be solved by the device]

 Since the output of the electric locomotive and the current collection current change greatly depending on the train formation to be pulled and the operating speed, it is not necessary to raise two pantographs at all times to collect current. Only the rear pantograph should be raised as much as possible from the viewpoint of resource saving and maintenance such as reduction of wear, extension of pantograph life, and prevention of damage to the rear pantograph in case of front pantograph accident. It is desirable to drive. However, it is difficult for the driver to manually move the pantor up and down as needed based on the current value to determine whether the pantor can be driven.

[0005]

[Means for Solving the Problems]

 In order to achieve the above objective, the current collection current of the pantograph is measured, and if it is smaller than the preset allowable current collection capacity per pantograph, only the pantograph in the backward direction automatically moves toward the traveling direction. The system will rise. Therefore, from the wiring from the pantograph to the main circuit, measure the current collection value with a current measuring device via a step-down transformer, and use a relay contact inside this measuring device to raise the pantograph's compressed air circuit. Turns on / off the solenoid valve.

At this time, since it is necessary to turn on / off only the solenoid valve for the front pantograph, information on the front / reverse steering wheel of the master controller is fetched and controlled by the current measuring instrument.

[0007]

[Action]

 The current value collected by the pantograph is measured by a current measuring device via a step-down transformer. If this current value is smaller than the predetermined allowable current collection capacity per pantograph, the command of the relay contact built into the current measuring instrument will demagnetize the pantograph solenoid valve to cut off the compressed air and display the pantograph in front of the traveling direction. Automatically lowers. The selection of the front pantograph is made by the contacts of the front / reverse selection handle of the master controller in the driver's seat connected to the amperometer.

[0008]

【Example】

 Hereinafter, an embodiment of the present invention is shown in FIG.

In FIG. 1, the current collected from the overhead wire 1 via the pantographs 2 and 2 ′ (or only 2 ′) is fed to the main circuit through the pantograph disconnector 3 and the main breaker 4. During operation by the pantograph 2, the main controller (master controller) 6 excites the pantograph solenoid valves 5, 5'provided in the compressed air circuit for raising the pantograph 2 to open the valves and supply air to the air cylinder of the pantograph. is doing.

After the main breaker 4 on the main circuit, the pantograph current collecting value is measured by the current measuring device 8 via the step-down transformer 7. When this current value is smaller than the predetermined allowable current collection current per pan tag rough, the panto solenoid valve 5 is demagnetized by the relay contact provided in the current measuring device 8 to cut off the compressed air, and the front pantograph 2 is removed. Make it descend automatically.

The selection of the front pantograph is made by the contacts of the front / reverse steering wheel of the main controller 6 of the driver's seat connected to the current measuring device 8.

[0012]

[Effect of the device]

 According to the present invention, it becomes possible to automatically use only one pantograph when the current collecting current is small. This saves resources and maintenance by reducing wear of the pantograph friction plate, extends the life of the pantograph, and may damage the pantograph at the rear by being caught in the accident of the front pantograph. Can be reduced.

[Brief description of drawings]

FIG. 1 is a system diagram of a control system of the present invention.

[Explanation of symbols]

2 and 2 '... pantograph, 3 ... panto disconnector, 5 and 5' ... panto solenoid valve, 6 and 6 '... master controller,
8 ... Current measuring device (with command contact).

Claims (1)

[Claims for utility model registration] [Claim 1] In an electric locomotive for a railway vehicle, when the current collecting current from the pantograph is smaller than a certain value, the electric power is automatically collected by only one of the pantographs. A method for controlling a current collector for a railway vehicle, which is characterized in that