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Intelligent electric meter box and control method thereof

A smart meter and control method technology, which is applied in the field of meter boxes, can solve the problems of large volume of the meter box and inaccurate measurement of electricity by the meter, and achieve the effect of improving stability and reliability

Active Publication Date: 2021-07-23
国网河北省电力有限公司雄安新区供电公司 +2
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  • Abstract
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  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a smart meter box and its control method, which are used to solve the problems of large volume of the existing meter box and inaccurate measurement of the electricity by the meter in the box

Method used

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  • Intelligent electric meter box and control method thereof
  • Intelligent electric meter box and control method thereof
  • Intelligent electric meter box and control method thereof

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Embodiment Construction

[0033] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0034] Device example:

[0035] This implementation proposes a smart meter box, such as figure 1 As shown, the smart meter box includes a box body 4, and several modules are integrated in the box body 4, including a data acquisition system 3, a GPS module 5, a CPU module 6 (a kind of processor), an electric energy management module 7, and a display module 8. Fault alarm module 9 and solid state relay module 10. Wherein, the acquisition end of data acquisition system 3 (being data acquisition module) connects several groups of current mutual inductors 1, voltage transformers 2, three current transformers and three voltage transformers form a group, each group's current transformers, voltage transformers The transformer is installed on the three-phase power line of each user, and is used to collect the current information and voltage informa...

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Abstract

The invention relates to an intelligent electric meter box and a control method thereof, and belongs to the technical field of electric meter boxes. The electric meter box comprises a box body, wherein a data acquisition module, a processor, an electric energy management module and a solid-state relay module are integrated in the box body, the output end of the data acquisition module is connected with the input end of the solid-state relay module, the output end of the solid-state relay module is connected with the processor and is used for isolating voltage and current information acquired from the data acquisition module; and the processor is connected with the electric energy management module, the electric energy management module comprises an electric reactor, a PWM controllable rectifier and a capacitor which are connected in sequence, and the PWM controllable rectifier is formed by connecting a three-phase bridge arm branch composed of a switching tube and a fly-wheel diode. According to the intelligent electric meter box, electricity utilization information of multiple users can be collected through one box, and the size of the electric meter box is reduced; and before the electricity consumption of the user is calculated, the electric energy management module is used for carrying out reactive compensation on the power grid in an undervoltage state, so that the stability and the reliability of electricity consumption calculation are ensured.

Description

technical field [0001] The invention belongs to the technical field of electric meter boxes, and in particular relates to an intelligent electric meter box and a control method thereof. Background technique [0002] In the traditional smart meter box, one smart meter or multiple smart meters are placed in one box, and each user is equipped with a smart meter. Due to the large size of a single smart meter, a larger meter box is required to accommodate multiple smart meters. Occupies a larger space, and brings inconvenience to the determination of the placement position of the meter box in the user's building. [0003] Moreover, due to the real-time fluctuation of the power supply voltage of the power grid to the user side, the meter measures the user's electricity inaccurately, and the real-time feedback of the meter is poor, so it is impossible to detect and judge leakage faults, power theft behaviors, and smart meter measurement faults. Various electricity consumption info...

Claims

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Application Information

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IPC IPC(8): H02J3/16H02J3/01H02H3/08H02H5/04H02J13/00
CPCH02J3/16H02J3/01H02H3/08H02H5/04H02J13/00002Y04S20/242Y02E40/30Y02E40/40Y02B70/30
Inventor 马涛侯磊马志鹏张亚杰祁天星卢星海陈星宇
Owner 国网河北省电力有限公司雄安新区供电公司
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