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Detection system of pantograph carbon slide bonding resistance of electromotive

A pantograph carbon slide and detection system technology, applied in the direction of measuring resistance/reactance/impedance, measuring devices, measuring electrical variables, etc., can solve problems such as large errors, low measurement efficiency, and inaccurate measured resistance values, and achieve The effect of small system error and high measurement accuracy

Inactive Publication Date: 2011-07-27
XI AN JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The measured resistance value is very inaccurate, the error is very large, and the accuracy requirement cannot be met at all.
On the other hand, since all the measurement processes are completely done manually, the measurement efficiency is very low

Method used

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  • Detection system of pantograph carbon slide bonding resistance of electromotive
  • Detection system of pantograph carbon slide bonding resistance of electromotive
  • Detection system of pantograph carbon slide bonding resistance of electromotive

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Embodiment Construction

[0019] Based on the basic principle of voltammetry, the present invention constructs a system and method suitable for measuring the bonding resistance of carbon sliding strips. By synchronously collecting the voltage signals at both ends of the bonding resistance and the shunt resistance, the carbon sliding strip can be obtained by comparison. Adhesion resistance at the electrode contact point. Cooperating with the upper computer software, the system can complete the recording, saving and printing of the test results, and can give an evaluation on whether the bonding resistance of the carbon slide plate is qualified or not.

[0020] Such as figure 1 As shown, the detection system of the electric locomotive pantograph carbon sliding plate bonding resistance of the present invention comprises a computer mainframe (host computer), a pneumatic control device, a single-chip microcomputer control unit, a data acquisition processing unit (including a voltage acquisition circuit, a fi...

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Abstract

The invention discloses a detection system of a pantograph carbon slide bonding resistance of an electromotive, which comprises a computer host, a singlechip control unit and a data acquiring and processing unit which are connected with the computer host by signals, a pneumatic control device and a carbon slide bonding resistance detection device. The singlechip control unit can acquire detectiondata and transmit the detection data to the computer host for processing by the data acquiring and processing unit, and can control the actions of measurement electrodes of the carbon slide bonding resistance detection device by the pneumatic control device. The carbon slide bonding resistance detection device realizes the measurement of a resistor Rx to be measured at the bonding position of carbon slide bars by adopting four-electrode connection manner and using a serial measurement loop consisting of a resistance detection voltage-stabilizing source, a shunt resistor Rs, a power resistor RW and the resistor Rx to be measured. The detection system has the advantages of good safety and reliability and high accuracy and automation degree and can quickly test and record micro resistors arranged at the bonding position of the carbon slide bars.

Description

technical field [0001] The invention relates to a weak resistance detection system and method based on voltammetry, in particular to a detection system and detection method for the bonding resistance of a carbon slide plate of an electric locomotive pantograph. Background technique [0002] The pantograph slide is an important current-collecting component for the electric locomotive to obtain power. It is installed on the uppermost part of the pantograph and directly contacts the pantograph-catenary wire. When the skateboard is stationary or sliding, it obtains current from the catenary wire to supply power for the locomotive. The pantograph slide works in the natural environment, and continuously produces impact force with the catenary wire during operation. Therefore, the current receiving quality of the contact system of the pantograph slide plate and the contact wire determines whether the electric locomotive can obtain sufficient traction power and run safely and relia...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R27/08
Inventor 殷咸青张建勋胡献峰肖克民吴元逸
Owner XI AN JIAOTONG UNIV
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