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Anti-theft electricity meter based on infrared induction

An infrared induction and infrared sensor technology, applied in the direction of measuring electrical variables, measuring devices, instruments, etc., can solve the problems of strengthening manpower inspection, hidden dangers of electricity use safety, and damaging the interests of power companies, and achieves good anti-theft effect and low design cost. low effect

Active Publication Date: 2016-05-25
CHONGQING HUAHONG INSTR
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Stealing electricity has seriously damaged the interests of power companies, disrupted the order of power supply and use, and even brought serious hidden dangers to the safety of power use.
In order to prevent electricity theft, power supply companies have adopted various technical measures such as strengthening manpower inspections and adding anti-theft measures in electric energy meters, which has eliminated some electricity theft to a certain extent, but with the popularization of electronic energy meters, high Technological means of stealing electricity are also emerging one after another, and the power supply department is very troubled by this, but there is no effective way to cure it so far

Method used

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  • Anti-theft electricity meter based on infrared induction
  • Anti-theft electricity meter based on infrared induction

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] The above-mentioned infrared detection device 2 further includes a third detector 33 electrically connected to the infrared sensor 1 to detect whether an object approaches and is within the preset space K adjacent to the anti-theft meter to generate a second detection capacitance C2.

[0033] In this embodiment, the controller 34 may be configured to: compare the second detection capacitance C2 with the first detection capacitance C1 to confirm that an object touches the anti-theft meter, and stimulate the processor 2 to Detecting the state of the circuit in the anti-theft meter; and turning on the camera device arranged on the shell of the anti-theft meter to record the state of the object (such as the action position or the tool used).

[0034] Considering the charge effect generated by contact, a capacitive detection method can be used. For example, the first detector 31 can have a capacitor or a capacitor array, and the capacitor has two electrodes and a ground termi...

example 1

[0041] Example 1: Change the current coil of the short-circuit metering device to reduce the current passing through the meter or short-circuit the current coil. The usual practice is to insert wires into both ends of the meter and short-circuit the current coil. Because the resistance of the wire is extremely small, most of the current will flow through the wire, and the current flowing through the meter will be greatly reduced to achieve the effect of current shunting. And realize electricity theft. The means of stealing electricity by changing the current mainly include short-circuiting the current loop, changing the current connection and opening the current loop.

example 2

[0042] Example 2: Disconnect the voltage link or connect the voltage dividing resistor in series with the voltage coil to reduce the voltage on the voltage coil, thus affecting the normal operation of the electric energy meter. Connect a string of resistors in series to the voltage coil, and add some external protection measures to ensure safety and increase concealment. The series resistors share these voltages, and the voltage at both ends of the voltage coil will naturally decrease, so that the measurement of the energy meter will be Reduce to achieve the purpose of stealing electricity.

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Abstract

The invention discloses an anti-theft electricity meter based on infrared induction, and the electricity meter comprises an infrared sensor, a processer electrically connected with the infrared sensor, and an infrared detection device electrically connected between the processer and the infrared sensor; wherein the infrared detection device comprises a first detector, a second detector and a controller, the first detector is connected with the infrared sensor, detects if an object contacts the anti-theft electricity meter and generates a first detection capacitance; the second detector is connected with the infrared sensor and detects a infrared radiation quantity value of the object after the first detector has detected the object contacting the anti-theft electricity meter; and the controller is connected with the second detector and can calculate and obtain the temperature value according to the infrared radiation quantity value, so as to transmit the temperature value to the processer.

Description

technical field [0001] The invention relates to a new type anti-stealing smart electric energy meter based on thermal release infrared induction, including a three-phase intelligent electric energy meter installed in a power distribution room, an outer wall surface, a utility pole, and the like. Background technique [0002] For a long time, the problem of stealing electricity has been plaguing the power supply department and affecting the completion of various assessment indicators. Due to the low level of anti-stealing technology and the diversification of electricity-stealing methods, it is the difficulty of anti-stealing electricity. Stealing electricity has seriously damaged the interests of electric power companies, disturbed the order of power supply and utilization, and even brought serious hidden dangers to the safety of electricity utilization. In order to prevent electricity theft, power supply companies have adopted various technical measures such as strengthenin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R11/24
CPCG01R11/24
Inventor 宋锡强李志马俐霞
Owner CHONGQING HUAHONG INSTR
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