A metering system and method for a transmission line monitoring device in an on-site environment
A technology for monitoring devices and transmission lines, applied to measuring devices, measuring ultrasonic/sonic/infrasonic waves, instruments, etc., can solve problems such as difficulty in popularization, measurement accuracy and application range limitations, expensive devices, etc., to strengthen quality control , Improve the ability of accident prediction and investigation, improve the level of safety production and the effect of maintenance work efficiency
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Embodiment 1
[0056] As shown in the figure, the metering system of a power transmission line monitoring device provided in this embodiment includes a vibration excitation module 1, a vibration measurement module 2, a test interface 3 and a vibration controller 4;
[0057] The vibration excitation module is used to provide a vibration source to the online monitoring device; the vibration measurement module is used to detect various parameters of the vibration source excited by the online monitoring device; the test interface transmits the measurement data to the vibration controller for data deal with.
[0058] The vibration excitation module includes a vibration table, a sensor, a vibration controller, a power amplifier and a cooling system;
[0059] The vibrating table is provided with a sensor for obtaining excitation vibration parameters; the vibration controller is connected with the sensor; the power amplifier is connected with the vibration controller; the cooling system is respectiv...
Embodiment 2
[0080] The on-line detection system for breeze vibration of overhead transmission lines provided in this embodiment uses the bending amplitude method as a standard method for measuring wind vibration of ground conductors. The definition of the bending amplitude method is shown in Figure 2. Measure the bending amplitude of the wire relative to the clamp at a distance of 89 mm from the exit of the clamp, and use this value to measure the dynamic bending strain of the wire at the exit of the clamp as a standard for measuring the vibration of the wire method. Using the measurement method of relative amplitude to measure the damage degree of the conductor by the breeze vibration has been proved to be a practical method for measuring the vibration of the conductor at the suspension clamp.
[0081] The parameters of the breeze vibration online monitoring device provided in this embodiment are as follows:
[0082] Amplitude measurement range: According to the type of ground wire to b...
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