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Transformer low-voltage conductive rod temperature-measuring device based on induction power-taking technology

A technology of inductive power taking and temperature measuring device, which is applied in measuring devices, thermometers using electrical devices, and thermometers with electrical/magnetic components directly sensitive to heat, etc. Inconvenient use and other problems, to shorten the development cycle of human-computer interaction, reduce the probability of accidents caused by heat, and improve work efficiency

Inactive Publication Date: 2019-04-05
NANYANG POWER SUPPLY COMPANY OF STATE GRID HENAN ELECTRIC POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the electric field sensing module of this system is large in size, complex in structure, complex in temperature measurement and control circuit, troublesome in debugging, and very inconvenient in use

Method used

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  • Transformer low-voltage conductive rod temperature-measuring device based on induction power-taking technology
  • Transformer low-voltage conductive rod temperature-measuring device based on induction power-taking technology
  • Transformer low-voltage conductive rod temperature-measuring device based on induction power-taking technology

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Experimental program
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Effect test

Embodiment 1

[0036] Such as Figure 1-2 As shown, a transformer low-voltage conductive rod temperature measuring device based on inductive power-taking technology includes an inductive power-taking part 1 , a temperature collecting part 2 , a wireless transmitting part 3 , a wireless receiving part 4 and a temperature display part 5 .

[0037]The induction power-taking part 1 includes a silicon steel sheet, a coil, a rectifier circuit, and a voltage converter. The silicon steel sheet is wound on the low-voltage outlet line of the transformer. The silicon steel sheet is provided with a power-taking coil, which is connected to the rectifier circuit. The voltage converter is connected, and the power converter outputs low-voltage direct current as the power supply of the temperature collecting part 2 and the wireless transmitting part 3 . The inductive power-taking part 1 adopts micro-magnetic energy harvesting technology to avoid direct use of transformer voltage for power supply, which will ...

Embodiment 2

[0068] Such as image 3 As shown, the structures of this embodiment and Embodiment 1 are basically the same, and the difference is that a signal output interface 6 is also provided on the liquid crystal display of the temperature display part 5, which is used to output the three-phase temperature to other automation equipment, through automation Equipment for remote monitoring and automatic operation.

Embodiment 3

[0070] Such as Figure 4 As shown, the structures of the present embodiment and the second embodiment are basically the same, and the difference is that a relay interface 7 is set on the liquid crystal display of the temperature display part 5, the relay interface 7 is connected with the relay, and the relay is connected with the buzzer. When the alarm threshold is reached, the relay pulls in and is used to drive the external buzzer to sound and give sound reminders to the power distribution inspectors.

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Abstract

The invention discloses a transformer low-voltage conductive rod temperature-measuring device based on an induction power-taking technology. The transformer low-voltage conductive rod temperature-measuring device comprises an induction power-taking part, a temperature collecting part, a wireless transmitting part, a wireless receiving part and a temperature display part; the induction power-takingpart outputs a low-voltage direct current to serve as a power supply of the temperature collecting part and the wireless transmitting part; the temperature collecting part comprises a K-type thermocouple, an analog / digital converter and a single chip microcomputer, the K-type thermocouple is connected with the analog / digital converter, and the analog / digital converter is connected with the singlechip microcomputer; both the wireless transmitting part and the wireless receiving part adopt SI4463 serial unvarnished transmission modules; and a liquid crystal displayer serves as the temperaturedisplay part. According to the transformer low-voltage conductive rod temperature-measuring device, power-supply-free and wireless monitoring of the temperature of a transformer low-voltage conductiverod is achieved, and the hidden dangers that when the transformer voltage is directly used for power supplying and a wire is used for signal transmitting, the number of cables is excessively large, the cable are wound due to wind and artificial disturbance, and the operation risk of a transformer rack is increased are avoided.

Description

technical field [0001] The invention relates to the technical field of transformer detection, in particular to a transformer low-voltage conductive rod temperature measuring device based on induction power-taking technology. Background technique [0002] In recent years, the production level of urban and rural residents has been continuously improved, and high-power appliances such as household electric cooking, air conditioning, and electric heating are becoming more and more popular. However, there is still a big gap between my country's average household power distribution capacity and developed countries. During winter and winter, the distribution transformers in the existing station area often have overtemperature and overload, and operators need to measure the temperature and load of the transformers frequently. [0003] With the continuous maturity of low-voltage distribution automation technology, the functions of the existing distribution transformer integrated distr...

Claims

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Application Information

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IPC IPC(8): G01K7/02G01K1/02G01K1/024
CPCG01K1/02G01K7/02G01K2219/00
Inventor 杜明哲王珊珊王博张翮杜晗焦怡明桂建廷姚楠徐华楠吴海波
Owner NANYANG POWER SUPPLY COMPANY OF STATE GRID HENAN ELECTRIC POWER
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