On-line detector of surge protector

A surge protector and detection device technology, applied in emergency protection circuit devices, measurement devices, emergency protection circuit devices for limiting overcurrent/overvoltage, etc., can solve the deterioration of surge suppression devices and insufficient temperature information and direct, the alarm unit cannot perform alarm output, etc., to avoid signal loss and failure points, and achieve the effect of remote real-time monitoring

Inactive Publication Date: 2010-07-21
孙巍巍
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  • Summary
  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The problems of this method are: 1. The deterioration or damage of the surge suppression device may not generate enough energy to make the tripping device operate. At this time, the alarm unit cannot output the alarm.
2. The alarm signal may be output only when the device is damaged, which cannot be predicted in advance
Its defect is that the temperature switch cannot accurately and timely reflect the temperature change of the surge suppression device, so the temperature information that can be used for judgment is not sufficient and direct

Method used

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Embodiment Construction

[0018] refer to figure 1 As shown, the specific scheme of the embodiment of the present invention is as follows:

[0019] 1. The thermistor is used as the temperature measurement unit (1) mounted on the surge suppression device (4), and the temperature measurement unit (1) collects the temperature of the surge suppression device (4) before and after the surge occurs or in the event of a fault change signal.

[0020] 2. The temperature signal collected by the temperature measurement unit (1) is sent to the signal conversion and transmission unit (2) through the transmission line (5). The signal conversion and transmission unit (2) provides power for the temperature measurement unit (1) on the one hand, and the other On the one hand, the physical quantity of temperature-time is converted into an electrical signal, and then the signal is converted into a digital signal through A / D conversion, and transmitted through the bus of the digital signal, and then transmitted to the comp...

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PUM

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Abstract

The invention discloses an on-line detector of a surge protector, which relates to the application field of detection of surge protectors. The on-line detector mainly comprises a temperature detection unit (1), a signal transformation and transmission unit (2) and a data analysis unit (3). The temperature detection unit (1) detects the temperature of a surge suppressor (4) in a surge protector (6), and the temperature-time curve of the surge suppressor is transmitted to the data analysis unit (3) through the signal transformation and transmission unit (2) and is subject to comparative analysis with the established data model, thereby judging and displaying the type, source and intensity of the surge current and the damaged condition of the surge suppressor (4) as well as whether maintenance and replacement are needed. The data analysis unit (3) can realize remote alarm and network share of detected information through the network.

Description

technical field [0001] The invention relates to a device for online detection and alarm of a surge protector. technical background [0002] Lightning is an important cause of damage to electronic equipment, and it threatens the security of electronic information systems in various fields such as construction, railways, civil aviation, communications, industrial control, and military affairs. Surge protectors are protective devices mainly used to suppress lightning surges. Installing surge protectors on metal lines such as power lines, signal lines, and control lines connected to electronic equipment is one of the important measures for lightning protection. At present, all regions and industries invest huge sums of money every year to purchase and install surge protectors in large quantities. But in essence, the surge protector is a device that "sacrifices oneself to protect others". When the surge protector is subjected to lightning surge current, or is used for a long ti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00G01R19/00G01K7/02G01K7/16H02H9/04
Inventor 孙巍巍
Owner 孙巍巍
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