High-voltage power line wireless temperature acquisition system

Abstract

The invention provides a high-voltage power line wireless temperature acquisition system, comprising a temperature node, a router, terminal equipment and an upper computer; the data of the temperature node is transmitted to the nearby terminal equipment or the router, and the data received by the router is forwarded to the terminal equipment, and the terminal equipment is connected with the upper computer; the terminal equipment receives the setting and a command of the upper computer, and the temperature data is transferred to the upper computer for displaying through a serial interface. In the invention, low power consumption temperature node which is power-supplied by a lithium battery is adopted, and the data is transmitted in a wireless way, the system is easy to install, the operation is safe and stable, anti-jamming capacity is good, and the accuracy and reliability of temperature detecting data are ensured, the power consumption of the temperature node is reduced by more than 3 times compared with the prior art, the service life of the battery is greatly prolonged, real-time on-line is carried out, the response speed is rapid, the volume is small, a great amount of manpower and physical resources are saved.

Description

technical field [0001] The invention relates to an online temperature collection technology for high-voltage power equipment, and is especially suitable for an online temperature collection and alarm system at a high-voltage switch knife switch or a high-voltage busbar and a high-voltage cable joint. Background technique [0002] In power plants and substations, when the contacts in the high-voltage switchgear and the joints of the high-voltage cables are in poor contact or over-current operation, the contact resistance will be too large, which will cause the switch contacts or cable joints to heat up; if not eliminated in time, it may It will lead to insulation damage of switchgear or cables, causing major faults and even fires, resulting in major economic losses. Therefore, real-time online monitoring of the temperature of high-voltage switches and high-voltage cable joints can effectively prevent failures and ensure reliable operation of the system. [0003] At present, ...

AI Technical Summary

Problems solved by technology

[0003] At present, the temperature measurement methods on the market include: battery-powered wireless temperature data transmission system, such as "on-line monitoring system for switch cabinet contact temperature rise" with patent number 200820085411.5. The probe is connected to the receiver in a wireless way, and other connections are in a wired way. In a high-voltage and high-voltage environment, the wiring construction is complicated, maintenance is difficult, and the cost is high; wireless transmission requires at least a dozen milliamperes of current. The power consumption of the wireless transmission must be reduced to ensure the long-term stability of the battery power supply.

Images