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spd online intelligent monitoring device and spd online intelligent monitoring system

An intelligent monitoring and zero-line technology, applied in the field of SPD, can solve the problems of damage and gradual increase in the degree of deterioration, and achieve the effect of preventing device damage or safety accidents

Inactive Publication Date: 2015-10-14
深圳市科威泰斯科技有限公司
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Problems solved by technology

[0003] However, as the number of protection actions of SPD increases, its deterioration degree will gradually increase, and may even be damaged during the protection process. Therefore, the on-site monitoring of SPD is extremely important, and it is urgent to know the status of each SPD on site in real time, so as to Replace the damaged or degraded SPD in time to protect electronic equipment when it is struck by lightning or surge

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  • spd online intelligent monitoring device and spd online intelligent monitoring system
  • spd online intelligent monitoring device and spd online intelligent monitoring system

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Embodiment Construction

[0020] It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0021] The invention provides an SPD online intelligent monitoring device.

[0022] In the embodiments of the present invention, refer to figure 1 and figure 2 , The SPD online intelligent monitoring device is used to monitor the SPD status of each phase in the AC circuit, which includes: AD acquisition module 100, remote signal acquisition module 200, air switch status acquisition module 400, MCU module 300, display module 500, AD acquisition module 100 is used to collect the voltage signal of each phase SPD and the leakage current signal of each phase SPD, and convert the collected voltage value and leakage current value into corresponding digital signals and transmit them to the MCU module 300; the remote signal acquisition module 200 is used to collect The normal or fault state of the SPD online intelligent mon...

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Abstract

The invention discloses an SPD online intelligent monitoring device and an SPD online intelligent monitoring system including the device. The SPD online intelligent monitoring device comprises an AD collection module, a remote signal collection module, an air switch state collection module and an MCU module. Voltage values and leakage current values of all phases of SPDs are collected by the AD collection module and are converted into corresponding digital signals, the switching-on or switching-off state of an air switch is collected by the air switch state collection module, remote signal status signals are collected by the remote signal collection module, the input values of all the collected signals are computed and processed by the MCU module. The deterioration degree of the SPDs and the work state of the SPD online intelligent monitoring device can be obtained fast and accurately, deteriorated SPDs can be replaced, maintained and treated by a user in time, and device damage or safety accidents caused by lightening strokes or surge shocks are avoided.

Description

Technical field [0001] The invention relates to the field of SPD (Surge protection Device, surge protector), in particular to an SPD online intelligent monitoring device and an SPD online intelligent monitoring system. Background technique [0002] At present, in electronic equipment, in order to prevent lightning strikes or surges, it is generally necessary to connect the SPD between the live line and the neutral line for surge protection. When the electronic equipment is working normally, the SPD shows high impedance, but once it is subjected to lightning transients When the voltage or surge transient overvoltage occurs, its impedance suddenly changes to a low value, allowing lightning current to pass, and discharge the surge current to the ground through the ground wire, thereby preventing electronic equipment from being damaged by lightning or surge impact. [0003] However, as the number of protection actions increases, the degradation of SPD will gradually increase, and may e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/00
Inventor 刘宁吴玉芹
Owner 深圳市科威泰斯科技有限公司
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