Lightning rod discharge counter with automatic memory
A discharge counter and memory technology, applied in instruments, measuring electrical variables, measuring current/voltage, etc., can solve the problems of difficult detailed information for staff, low accuracy of discharge counters, large volume of discharge counters, etc., and achieve anti-electromagnetic field Strong interference ability, simple structure and low cost
Inactive Publication Date: 2014-01-22
SICHUAN LANXUNBAOER ELECTRONICS TECH
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Problems solved by technology
[0002] The discharge counter for arrester is a device used to monitor the discharge action of the arrester. The existing discharge counter is relatively large, and it is difficult to install it in some special places such as the arrester in the switch cabinet. The accuracy is not high, making it difficult for the staff to obtain more detailed information that is beneficial to the work, such as the discharge of the arrester during that time period
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[0012] Below in conjunction with accompanying drawing, the present invention will be described in further detail:
[0013] Such as figure 1 , figure 2 As shown, the lightning rod discharge counter with automatic memory includes a photocoupler, a voltage comparator, a microcontroller and a display, and the input end of the photocoupler is connected to the signal switch contact of the large current discharge protection device on the lightning rod, Its output terminal is connected to the input terminal of the voltage comparator through a filter, the output terminal of the voltage comparator is connected to the input terminal of the microcontroller, the output terminal of the microcontroller is connected to the display, and a memory is also connected to the microcontroller , the memory is a removable non-volatile memory.
[0014] The microcontroller of the present invention is connected with a GPS clock device.
[0015] The filter used in the present invention is an RC low-pas...
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The invention discloses a lightning rod discharge counter with an automatic memory. The lightning rod discharge counter comprises a photoelectric coupler, a voltage comparator, a microcontroller and a display. The input end of the photoelectric coupler is connected with a signal switch contact of a large-current discharge protecting device positioned on a lightning rod, the output end of the photoelectric coupler is connected with the input end of the voltage comparator through a filter, the output end of the voltage comparator is connected with the input end of the microcontroller, and the output end of the microcontroller is connected with the display. The lightning rod discharge counter has the advantages that the discharge counter is small in size and can be used in lightning arresters in special occasions such as a switch cabinet; the discharge counter is high in counting accuracy and is matched with a global positioning system (GPS) time device, action time data of a lightning arrester can be provided, and bases can be better provided for research by workers; and the mobile memory is provided to facilitate data collection by the workers. The lightning rod discharge counter further has the advantages of simple structure, low cost and strong electromagnetic field resisting capability.
Description
technical field [0001] The invention relates to a discharge counter for a lightning rod with an automatic memory. Background technique [0002] The discharge counter for arrester is a device used to monitor the discharge action of the arrester. The existing discharge counter is relatively large, and it is difficult to install it in some special places such as the arrester in the switch cabinet. The accuracy is not high, making it difficult for the staff to obtain more detailed information that is useful for the work, such as the discharge of the arrester during that time period. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies of the current technology and provide a discharge counter for lightning arresters with simple structure, small volume and high precision. [0004] The present invention is achieved through the following technical solutions: a discharge counter for a lightning rod with an automatic memory, includ...
Claims
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IPC IPC(8): G01R19/17
Inventor 李胜峰
Owner SICHUAN LANXUNBAOER ELECTRONICS TECH