Lightening protection method and lightening protection feed between tower amplifier and base station
A technology of tower top amplifiers and feeders, which is applied in the direction of emergency protection circuit devices, electrical components, circuit devices, etc. used to limit overcurrent/overvoltage, and can solve problems such as the inapplicability of base station lightning protection facilities, and achieve voltage standing wave The effect of small ratio and insertion loss, small size, and wide frequency
Inactive Publication Date: 2010-11-03
ZHUZHOU PUTIAN ZHONGPU LIGHTNING PROTECTION TECH
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Problems solved by technology
[0004] The technical problem to be solved by the present invention is to provide a lightning protection method and a lightning protection feeder for radio frequency signal and direct current transmission between the tower top amplifier and the base station for the inapplicability of the current base station lightning pr
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[0016] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.
[0017] Figure 1-3 An embodiment of the present invention is given, and it can be seen from the accompanying drawings that the present invention relates to a lightning protection method for transmission of radio frequency signals and direct current between a tower top amplifier and a base station. Set the lightning protection port, radio frequency port, and DC input port; among them, the lightning protection port is connected to the radio frequency transceiver equipment of the base station to protect the radio frequency transceiver equipment of the base station from being damaged by induced overcurrent and overvoltage; the radio frequency port is connected between the base station and the tower top amplifier between the base station and the towe...
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The invention discloses a lightening protection method and a lightening protection feed between a tower amplifier and a base station. The lightening protection feed of the base station is provided with a lightening protection port, a radio frequency port and a DC input port respectively; the lightening protection port is connected with a radio frequency transceiver of the base station to prevent the radio frequency transceiver of the base station from being damaged by induction overcurrent and overvoltage; the radio frequency port is connected between the base station and the tower amplifier and is used for transmitting radio frequency signals of the base station and the tower amplifier; the DC port is connected with the tower amplifier and is used for transmitting DC of the tower amplifier; the lightening protection port and the radio frequency port adopts a high-pass filter circuit and a low-pass filter circuit, and the radio frequency communication signals are high-frequency AC signals and can only pass a high-pass filter channel at the radio frequency port; and low-frequency signals of lightening stroke can only pass a lightening branch at the lightening protection port so as to conduct discharge current to ground. The lightening protection feed adopts high-pass filtering and low-pass filtering, has wide frequency, small loss of voltage standing wave ratio, high isolation without signal interference, and is provided with an indicator light circuit to judge the DC supply condition.
Description
technical field [0001] The invention relates to a protection method and device for electrical equipment, in particular to a lightning protection method and a lightning protection feeder for transmission of radio frequency signals and direct current between a tower top amplifier for lightning protection of a mobile communication base station and a base station, and a lightning protection feeder. Lightning protection for base stations of various mobile communications. Background technique [0002] With the continuous development and innovation in the field of communication products, mobile communication has spread all over the world, and the transmission of these mobile communication signals is carried out through base stations located in various places. In order to ensure the efficiency and quality of mobile communication transmission, mobile communication base stations are generally installed on the top of mountains or high-rise buildings, so they become the first target of ...
Claims
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Inventor 殷建军殷建云匡宪伟
Owner ZHUZHOU PUTIAN ZHONGPU LIGHTNING PROTECTION TECH
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