Intelligent power distribution security control terminal based on residential electricity consumption
A safety control terminal and intelligent power distribution technology, applied in the direction of electrical components, circuit devices, etc., can solve the problems of residents' electrical appliances being burned and unable to operate, and achieve the effects of preventing personal electric shock, high reliability, and low power consumption
Inactive Publication Date: 2015-05-20
HARBIN RES INST OF ELECTRICAL INSTR
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Problems solved by technology
The leakage current of the wire is generally mA level, and the overcurrent protection (overload protection and short circuit protection) of the line cannot operate to play a protective role
It will cause fire prevention and electrical safety problems. If the zero line of the household is burned out and the voltage is unstable, it is easy to cause the electrical appliances in the residents' homes to be burned.
Method used
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[0013] 1. Measuring unit: complete the testing and storage of all electrical parameters by sampling the residential power lines, and send parameters such as current, voltage, power, electric energy, and frequency to the MCU control unit;
[0014] 2. The touch screen is a man-machine interface, which realizes setting of various limit values, setting of alarm information, and reading of various power consumption data;
[0015] 3. The current data acquisition circuit, the current sampling value of each branch enters the different IO ports of the MCU control unit through A / D conversion, the current of each branch is multiplied by the input voltage to obtain the power and power consumption, and the current and Comparing the limit value, if it is found to exceed the part, it will call the police;
[0016] 4. Residual current protection function. This invention penetrates the zero and live wires of the incoming power lines into a current transformer at the same time to detect...
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The invention relates to the monitoring and measuring technology of residential electricity consumption safety, in particular to equipment aiming at carrying out intelligent monitoring and safety protection on residential electricity consumption safety, and discloses an intelligent power distribution security control terminal based on residential electricity consumption. The intelligent power distribution security control terminal is characterized by being capable of monitoring load current, residual current, voltage loss, overvoltage, over-current and other security conditions of a total user circuit and all branches, and setting intelligent power failure and switching off a power supply circuit according to a limiting value, and displaying alarm information. The equipment has a telecommunication capacity. According to the intelligent power distribution security control terminal provided by the invention, a small intelligent power distribution automation system is built for the power consumption of existing residential households, and therefore the safety and reliability can be improved, and the fire safety accidents caused by an electrical reason can be eliminated; furthermore, the system is capable of remotely controlling the power supply of all the branches, so as to realize the family energy efficiency management.
Description
technical field [0001] The invention relates to monitoring and metering technology for residential electricity safety, mainly for intelligent monitoring equipment for residential electricity safety, the device can monitor the load current, residual current, voltage loss, overvoltage, etc. Safety conditions, and set intelligent power off and off according to the limit value, and have the ability of remote management to ensure the safety and reliability of residents' electricity consumption. Background technique [0002] At present, most residents have a small distribution box in their homes. The power line is divided into several branches through this distribution box with a circuit breaker to distribute power to lighting, air conditioners (electric water heaters), refrigerators, and sockets in each room. , Computers, electric water heaters, refrigerators and other home appliances have a large number and consume a lot of electricity, so overload and power trip problems often ...
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IPC IPC(8): H02J13/00
Inventor 徐人恒依溥治曲井致郭龙弟张秋月原赫男吴琼
Owner HARBIN RES INST OF ELECTRICAL INSTR