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Smart Temperature Monitoring Device for Tension Clamp

I. Overview

The power grid industry has achieved tremendous development today. However, the hardships in the early exploration process are known only to power workers. To assist operation and maintenance personnel in intelligently managing power lines, power grid security manufacturers have made many attempts and improvements. The temperature of the conductor can indirectly reflect whether the transmission line has safety hazards. For example, excessive temperature may indicate possible aging of line fittings and increased resistance. Against the background of advocating intelligent and refined management of power grids, conductor temperature monitoring is undoubtedly an indispensable means. To help power grid operation and maintenance personnel obtain real-time information on the temperature of line clamps and avoid serious consequences caused by delayed detection of excessive temperature, Telcom has developed a Smart Temperature Monitoring Device for Tension Clamp.

II. Working Principle

The temperature measuring device at the front end of the Smart Temperature Monitoring Device for Tension Clamp can measure the temperature of line fittings and clamps. The recorded data is transmitted to the background management personnel via wireless 4G signal. The system can automatically analyze the data and send an alarm message when abnormal temperature occurs, which is convenient for staff to obtain information in time and go to the site for investigation.

III. Functional Features

Supports access of 24-channel temperature data;

Has the function of collecting image information near the transmission tower;

Has automatic collection function, which automatically collects the temperature of conductors and fittings at set time intervals;

The online temperature acquisition unit has the functions of collecting power supply voltage, working temperature, etc.;

Has the function of data rationality check and analysis, automatically identifying and eliminating interference data;

Can cyclically store temperature status data for at least 30 days;

Has the functions of identity authentication and remote program update;

IV. Technical Parameters

1. Temperature measurement range: -40℃ ~ +120℃; ±0.5℃

2. Power supply system: Solar energy + battery

3. Communication requirements: Supports wireless network communication (supports 4G and is backward compatible), adapts to China Telecom, China Unicom and China Mobile, and operators can be selected according to on-site conditions

4. Working voltage: DC12V

5. Monitoring unit: Monitoring method and principle: Contact temperature measurement, platinum resistance

6. Supports access of 24-channel temperature data

7. Working line voltage: ≥110kV

8. Clamp ambient temperature: -40℃ ~ 70℃

V. Conclusion

Transmission lines work in a high-voltage open-air environment for a long time. The clamp fittings that connect the conductors and iron towers will inevitably age. When the conductivity of these connecting parts decreases, it will easily cause a sharp increase in conductor temperature, and may also lead to conductor sag, short circuit, trip, fire, fusing and other situations for a long time. The Smart Temperature Monitoring Device for Tension Clamp developed by Telcom allows operation and maintenance personnel to remotely view the temperature changes of multiple lines in the background without going out. If abnormal temperature rise occurs, it will send an alarm message, so that operation and maintenance personnel have time to make response plans and reduce property losses.

VI. Alternative Names of the Product

Smart Temperature Monitoring Device for Tension Clamp, Transmission Line (Fixture) Conductor Temperature Measuring Device, Transmission Line Tension Clamp Temperature Measuring Device

VII. Product Model

TLKS-PMG-TP Mr. Wang  1/3/6/8/2/3/5/0/0/2/9/

VIII. Applicable Locations

1. Transmission lines in areas inconvenient for inspection and patrol

2. Transmission lines with large loss of line fittings, clamps, etc.